c411b584eee64d84f5bf7c166eb10b7bd0c0f454caacd37adefb26eac87548ca.bin
AsyncRAT masquerading as Chrome
AsyncRAT .NET RAT payload with MessagePack C2 framingMessagePack tasking loads and invokes a managed plugin
SHA-256c411b584eee64d84f5bf7c166eb10b7bd0c0f454caacd37adefb26eac87548ca
Evidence
0x3b742e00001173d000000a0a028e69284a00....s.......i(J.
0x3b84000a0b0607161a6f4c00000a0617730a.......oL.....s.
0x3b9401000a0c080216028e696f4c00000a08.........ioL....
0x3ba46f4f00000add0d000000083906000000oO.........9....
0x3bb4086f3300000adc066fdd00000a0ddd0d.o3.....o.......
0x3bc4000000063906000000066f3300000adc....9.....o3....
0x3bd4092a0000011c0000020020001636000d.*........ ..6..
0x3be40000000002000600494f000d00000000........IO......
0x3bf442534a4201000100000000000c000000BSJB............
0x3c0476342e302e3330333139000000000500v4.0.30319......
0x3c146c000000bc1d0000237e0000281e0000l.......#~..(...
0x3c24c41d000023537472696e677300000000....#Strings....
0x3c34ec3b0000cc27000023555300b8630000.;...'..#US..c..
0x3c44100000002347554944000000c8630000....#GUID....c..
0x3c544009000023426c6f6200000000000000@...#Blob.......
0x3c6402000000579fa23f090a000000fa2533....W..?......%3
0x3c7400160000010000009b0000001e000000................
0x3c8447000000a30000007100000002000000G.......q.......
0x3c940a010000130000003100000002000000........1.......
0x3ca42e000000040000001300000020000000............ ...
0x3cb404000000030000000600000006000000................
0x3cc402000000010000000800000004000000................
0x3cd4010000000000ea0a0100000000000600................
0x3ce43919ee0f0a008a0003160a009f1972189.............r.
0x3cf40a00890f ....
0x5beb535f444953504c41595f524551554952S_DISPLAY_REQUIR
0x5bfb4544004d61704e616d65546f4f494400ED.MapNameToOID.
0x5c0b48574944006765745f466f726d617449HWID.get_FormatI
0x5c1b4400455845435554494f4e5f53544154D.EXECUTION_STAT
0x5c2b45003837363339313236454137374233E.87639126EA77B3
0x5c3b3538463236353332333637444241363758F26532367DBA67
0x5c4b43353331304546353041384439383838C5310EF50A8D9888
0x5c5b45443037304344343045314636303541ED070CD40E1F605A
0x5c6b3846006765745f4153434949005379738F.get_ASCII.Sys
0x5c7b74656d2e494f00497358500042444f53tem.IO.IsXP.BDOS
0x5c8b0045535f434f4e54494e554f55530067.ES_CONTINUOUS.g
0x5c9b65745f4956007365745f49560047656eet_IV.set_IV.Gen
0x5cab65726174654956004d54580076616c75erateIV.MTX.valu
0x5cbb655f5f00526561645365727665727444e__.ReadServertD
0x5ccb6174610064617461006d73636f726c69ata.data.mscorli
0x5cdb620053797374656d2e436f6c6c656374b.System.Collect
0x5ceb696f6e732e47656e65726963004d6963ions.Generic.Mic
0x5cfb726f736f66742e56697375616c426173rosoft.VisualBas
0x5d0b6963006765745f53656e6453796e6300ic.get_SendSync.
0x5d1b456e645265616400426567696e526561EndRead.BeginRea
0x5d2b6400546872656164004c6f616400496ed.Thread.Load.In
0x5d3b6e6572416464005348413235364d616enerAdd.SHA256Man
0x5d4b61676564006765745f436f6e6e656374aged.get_Connect
0x5d5b6564006765745f4973436f6e6e656374ed.get_IsConnect
0x5d6b6564007365745f4973436f6e6e656374ed.set_IsConnect
0x5d7b6564005265636569766564006765745fed.Received.get_
0x5d8b477569640048776964003c53656e6453Guid.Hwid.<SendS
0x5d9b796e633e6b5f5f4261636b696e674669ync>k__BackingFi
0x5dab656c64003c4973436f6e6e6563746564eld.<IsConnected
0x5dbb3e6b5f5f4261636b696e674669656c64>k__BackingField
0x5dcb003c4b656570416c6976653e6b5f5f42.<KeepAlive>k__B
0x5ddb61636b696e674669656c64003c486561ackingField.<Hea
0x5deb64657253697a653e6b5f5f4261636b69derSize>k__Backi
0x5dfb6e674669656c64003c50696e673e6b5fngField.<Ping>k_
0x5e0b5f4261636b696e674669656c64003c41_BackingField.<A
0x5e1b63746976617465506f6e673e6b5f5f42ctivatePong>k__B
0x5e2b61636b696e674669656c64003c496e74ackingField.<Int
0x5e3b657276616c3e6b5f5f4261636b696e67erval>k__Backing
0x5e4b4669656c64003c4275666665723e6b5fField.<Buffer>k_
0x5e5b5f4261636b696e674669656c64003c4f_BackingField.<O
0x5e6b66667365743e6b5f5f4261636b696e67ffset>k__Backing
0x5e7b4669656c64003c53736c436c69656e74Field.<SslClient
0x5e8b3e6b5f5f4261636b696e674669656c64>k__BackingField
0x5e9b003c546370436c69656e743e6b5f5f42.<TcpClient>k__B
0x5eab61636b696e674669656c6400496e6e65ackingField.Inne
0x5ebb724164644d61704368696c6400496e6erAddMapChild.Inn
0x5ecb657241646441727261794368696c6400erAddArrayChild.
0x5edb68576e640053656e6400417070656e64hWnd.Send.Append
0x61b8744e616d65006e616d65004461746554tName.name.DateT
0x61c8696d65006765745f4c61737457726974ime.get_LastWrit
0x61d86554696d6500546f556e697665727361eTime.ToUniversa
0x61e86c54696d650057726974654c696e6500lTime.WriteLine.
0x61f8436f6d62696e6500557269486f73744eCombine.UriHostN
0x6208616d6554797065006765745f56616c75ameType.get_Valu
0x621865547970650076616c75655479706500eType.valueType.
0x62284d73675061636b547970650050726f74MsgPackType.Prot
0x62386f636f6c547970650047657454797065ocolType.GetType
0x624800536f636b6574547970650046696c65.SocketType.File
0x625853686172650053797374656d2e436f72Share.System.Cor
0x626865005365727665727369676e61747572e.Serversignatur
0x62786500436c6f736500446973706f736500e.Close.Dispose.
0x628850617273650053747252657665727365Parse.StrReverse
0x629800583530394365727469666963617465.X509Certificate
0x62a80056616c696461746553657276657243.ValidateServerC
0x62b865727469666963617465006365727469ertificate.certi
0x62c866696361746500437265617465005365ficate.Create.Se
0x62d874546872656164457865637574696f6etThreadExecution
0x62e853746174650044656c6574650043616cState.Delete.Cal
0x62f86c5369746500577269746500436f6d70lSite.Write.Comp
0x6308696c657247656e657261746564417474ilerGeneratedAtt
0x63187269627574650044656275676761626cribute.Debuggabl
0x63286541747472696275746500436f6d5669eAttribute.ComVi
0x63387369626c654174747269627574650041sibleAttribute.A
0x63487373656d626c795469746c6541747472ssemblyTitleAttr
0x6358696275746500417373656d626c795472ibute.AssemblyTr
0x63686164656d61726b417474726962757465ademarkAttribute
0x6378005461726765744672616d65776f726b.TargetFramework
0x638841747472696275746500417373656d62Attribute.Assemb
0x640d52656c61786174696f6e734174747269RelaxationsAttri
0x641d6275746500417373656d626c7950726fbute.AssemblyPro
0x642d64756374417474726962757465004173ductAttribute.As
0x643d73656d626c79436f7079726967687441semblyCopyrightA
0x644d747472696275746500417373656d626cttribute.Assembl
0x645d79436f6d70616e794174747269627574yCompanyAttribut
0x646d650052756e74696d65436f6d70617469e.RuntimeCompati
0x647d62696c69747941747472696275746500bilityAttribute.
0x648d7365745f5573655368656c6c45786563set_UseShellExec
0x649d75746500526561644279746500577269ute.ReadByte.Wri
0x64ad7465427974650044656c65746556616cteByte.DeleteVal
0x64bd756500696e6e657256616c7565004765ue.innerValue.Ge
0x64cd7456616c75650053657456616c756500tValue.SetValue.
0x64dd76616c7565006765745f4b656570416cvalue.get_KeepAl
0x64ed697665007365745f4b656570416c6976ive.set_KeepAliv
0x64fd650052656d6f7665004173796e63436ce.Remove.AsyncCl
0x650d69656e742e657865007365745f426c6fient.exe.set_Blo
0x651d636b53697a65006765745f546f74616cckSize.get_Total
0x652d53697a65006765745f48656164657253Size.get_HeaderS
0x653d697a65007365745f4865616465725369ize.set_HeaderSi
0x654d7a65007365745f53656e644275666665ze.set_SendBuffe
0x655d7253697a65007365745f526563656976rSize.set_Receiv
0x656d6542756666657253697a65007365745feBufferSize.set_
0x657d4b657953697a6500496e6465784f6600KeySize.IndexOf.
0x658d737472466c61670043727970746f436fstrFlag.CryptoCo
0x659d6e666967006765745f50696e67007365nfig.get_Ping.se
0x65ad745f50696e670053797374656d2e5468t_Ping.System.Th
0x65bd72656164696e67007365745f50616464reading.set_Padd
0x65cd696e67006164645f53657373696f6e45ing.add_SessionE
0x65dd6e64696e670053797374656d4576656ending.SystemEven
0x65ed74735f53657373696f6e456e64696e67ts_SessionEnding
0x65fd0055544638456e636f64696e67005379.UTF8Encoding.Sy
0x660d7374656d2e44726177696e672e496d61stem.Drawing.Ima
0x661d67696e670053797374656d2e52756e74ging.System.Runt
0x662d696d652e56657273696f6e696e670046ime.Versioning.F
0x663d726f6d426173653634537472696e6700romBase64String.
0x664d546f426173653634537472696e670052ToBase64String.R
0x665d656164537472696e6700446f776e6c6feadString.Downlo
0x666d6164537472696e670057726974655374adString.WriteSt
0x667d72696e6700546f537472696e67006765ring.ToString.ge
0x668d745f4173537472696e67007365745f41t_AsString.set_A
0x669d73537472696e67004279746573417353sString.BytesAsS
0x66ad7472696e67004765744173537472696etring.GetAsStrin
0x66bd67005365744173537472696e67004765g.SetAsString.Ge
0x66cd74537472696e67004279746573417348tString.BytesAsH
0x66dd6578537472696e670053756273747269exString.Substri
0x66ed6e670053797374656d2e44726177696eng.System.Drawin
0x66fd67006765745f4163746976617465506fg.get_ActivatePo
0x98e365007800790071003300510055007700e.x.y.q.3.Q.U.w.
0x98f364004f0077007100740077006a003300d.O.w.q.t.w.j.3.
0x990348004c0035004b004e0076006e007900H.L.5.K.N.v.n.y.
0x9913460077005500450041003d003d000009F.w.U.E.A.=.=...
0x99236e0075006c006c00000100033a00000dn.u.l.l.....:...
0x99335000610063006b006500740000095000P.a.c.k.e.t...P.
0x994369006e006700000f4d00650073007300i.n.g...M.e.s.s.
0x9953610067006500000763006d0064000069a.g.e...c.m.d..i
0x99632f006300200073006300680074006100/.c. .s.c.h.t.a.
0x997373006b00730020002f00630072006500s.k.s. ./.c.r.e.
0x998361007400650020002f00660020002f00a.t.e. ./.f. ./.
0x99937300630020006f006e006c006f006700s.c. .o.n.l.o.g.
0x99a36f006e0020002f0072006c0020006800o.n. ./.r.l. .h.
0x99b369006700680065007300740020002f00i.g.h.e.s.t. ./.
0x99c374006e00200022000011220020002f00t.n. ."...". ./.
0x99d374007200200027002200011322002700t.r. .'."...".'.
0x99e32000260020006500780069007400015d .&. .e.x.i.t..]
0x99f35c006e00750052005c006e006f006900\.n.u.R.\.n.o.i.
0x9a03730072006500560074006e0065007200s.r.e.V.t.n.e.r.
0x9a137200750043005c00730077006f006400r.u.C.\.s.w.o.d.
0x9a236e00690057005c00740066006f007300n.i.W.\.t.f.o.s.
0x9a336f007200630069004d005c0065007200o.r.c.i.M.\.e.r.
0x9a4361007700740066006f00530000032200a.w.t.f.o.S...".
0x9a63630068006f0020006f0066006600001fc.h.o. .o.f.f...
0x9a73740069006d0065006f00750074002000t.i.m.e.o.u.t. .
0x9a83330020003e0020004e0055004c0000153. .>. .N.U.L...
0x9a9353005400410052005400200022002200S.T.A.R.T. .".".
0x9aa3200022000007430044002000000b4400 ."...C.D. ...D.
0x9ab345004c0020002200000f220020002f00E.L. ."...". ./.
0x9ac3660020002f0071000005780070000045f. ./.q...x.p..E
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0x9ae32000660072006f006d00200057006900 .f.r.o.m. .W.i.
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0x9b437400200063006f00720070006f007200t. .c.o.r.p.o.r.
0x9b536100740069006f006e00000b4d006f00a.t.i.o.n...M.o.
0x9b63640065006c00000f5600490052005400d.e.l...V.I.R.T.
0x9b73550041004c00000d76006d0077006100U.A.L...v.m.w.a.
0x9b8372006500001556006900720074007500r.e...V.i.r.t.u.
0x9b9361006c0042006f007800001753006200a.l.B.o.x...S.b.
0x9ba36900650044006c006c002e0064006c00i.e.D.l.l...d.l.
0x9bb36c000011450072007200200048005700l...E.r.r. .H.W.
0x9bc349004400000578003200001543006c00I.D...x.2...C.l.
0x9bd3690065006e00740049006e0066006f00i.e.n.t.I.n.f.o.