MALICIOUS — virussign.com_aa2fda7ffaefca09419e4a7ce2e5bf40.vir

MALICIOUS — virussign.com_aa2fda7ffaefca09419e4a7ce2e5bf40.vir is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (99/100), attributed to the Miancha family. 4 of 55 detection engines flagged it, exhibiting 4 ATT&CK techniques.

Identification

SHA-256: 01e0884f245cb70468dea02028c18ec4cde08a2bba8b75abd91048139fac34dc
SHA-1: 2d670a1d83f3a7488e4b027c878222e2afba3700
MD5: aa2fda7ffaefca09419e4a7ce2e5bf40
imphash: 118eb37b88640d7f3f7ac979ea5687cc
ssdeep: 384:KrxUgscktpy4OyzLeReRnnnWP6IhB+c+Tu0TkrdXiClr2URVp9HzV5hy9g:edkzTimWP6Imc+Tu0gR3hRVp1Vfwg
TLSH: T111306B94C3A4929EE25BB80135D3985EF11267AEF264E9BB1AC487724DF1433BC30D49
Submitted as: virussign.com_aa2fda7ffaefca09419e4a7ce2e5bf40.vir
File type: pe · Size: 36864 bytes
Verdict: malicious (99/100) · Family: Miancha

Source: VirusSign · first seen 2026-08-21T00:00:00.000Z · SHA-256 verified

Detections (4 of 55 engines)

YARA: MalwareAnalyser built-in: Windows_Injection_Api_Combo
ClamAV (daily): Win.Trojan.Ulise-6838227-0
Microsoft Defender: Trojan:Win32/Injector.ARA!MTB
Kaspersky (KVRT): HEUR:Trojan.Win32.Miancha.gen

MITRE ATT&CK

YARA

Windows_Injection_Api_Combo

Why this verdict

The malicious score of 99/100 is the fusion of 8 weighted signals:

ClamAV (daily) flagged Win.Trojan.Ulise-6838227-0 (rule Win.Trojan.Ulise-6838227-0) - engine signal, weight 0.90, confidence 0.95
Process injection API combination (rule Windows_Injection_Api_Combo) - yara signal, weight 0.65, confidence 0.90
Memory forensics: 2 finding(s), e.g. SSDT hook (rule windows.ssdt.SSDT) - memory signal, weight 0.50, confidence 0.85
Observed at runtime: Windows Service (T1543.003) (rule Windows Service) - dynamic signal, weight 0.40, confidence 0.90
1 behavioral detection(s): Windows Service Installation [medium] (rule tl-service-install) - dynamic signal, weight 0.40, confidence 0.90
Contacted 22 external host(s) at runtime (17 HTTP) - network signal, weight 0.40, confidence 0.80
persist via registry run key (rule persist via registry run key) - capa signal, weight 0.35, confidence 0.60
Dropped 1 executable file(s) at runtime - dynamic signal, weight 0.20, confidence 0.60

Dynamic analysis (windows)

133 behavior events · 1 ATT&CK techniques · 1 dropped files.

Dropped files

C:\Users\analyst\AppData\Local\Temp\tsk_054f7afc8e80457f.exe - c96a45f4813792ca8427a856569b660562d98fd6a0f66b7229ce7a747b4c26fc

Embedded URLs

http://www.msftconnecttest.com/connecttest.txt
http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
http://rb.symcb.com/rb.crl
http://203.26.79.13/filestreamingservice//files/fa5c4269-9d03-4a47-8d97-be6931f0b22c/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
http://203.26.79.13/filestreamingservice/files/fa5c4269-9d03-4a47-8d97-be6931f0b22c?P1=1787935682&P2=404&P3=2&P4=EbFXYy6gvuzIZJZ0H56Za2dm%2b3uLzsC98jCBNnXpJ8LcAI%2fN9SYXZh3X9uNCeubEreZMwFi9jQQHo5Q8iaATcA%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
http://203.26.79.13/filestreamingservice//files/51d86688-616b-47e3-abeb-3df16a1583c5/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com

Embedded IP addresses

51.11.192.49
52.123.252.240
52.123.252.247
40.84.97.4
4.230.171.124
52.253.84.76
135.233.95.144
4.150.223.112
74.178.240.51
20.112.250.133
52.123.129.14
52.123.128.14
52.123.252.218
20.165.94.46
203.26.79.13
52.123.252.220
52.123.252.213
135.233.45.221
52.148.114.188
52.110.12.4
72.154.7.108
52.110.12.8

Registry keys

HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run

File paths

c:\temp\2015-05-01_22-53-25.dmp

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report