MALICIOUS — virussign.com_a333cc9ff648cf38d43aa9b1b22be3d0.vir

MALICIOUS — virussign.com_a333cc9ff648cf38d43aa9b1b22be3d0.vir is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (100/100), attributed to the Somhoveran family. 6 of 56 detection engines flagged it, exhibiting 3 ATT&CK techniques.

Identification

SHA-256: 966af81cfce0a059a7e41dea0ed6442556bb9e0dacc038f0975c5d213795c9e1
SHA-1: 9b455e2fcb30a15ab9c072e1c48e31293e806a4a
MD5: a333cc9ff648cf38d43aa9b1b22be3d0
imphash: e60d0e6577962a1096407913ed128742
ssdeep: 3072:IyrN/sVywaEj1UsEOBYJwyrN/sVywaEj1Usnn/lBIbUVrY7lHKd744VgmcZQpWVt:Nh9wv1Ut3nh9wv1UMnTUorYAd3imcZMu
TLSH: T12B41120F2667C169C9C3FA165D6CD20CA8129F5809319C846D063BA7504EF6F9AE4EEC
Submitted as: virussign.com_a333cc9ff648cf38d43aa9b1b22be3d0.vir
File type: pe · Size: 183296 bytes
Verdict: malicious (100/100) · Family: Somhoveran

Source: VirusSign · first seen 2026-08-25T00:00:00.000Z · SHA-256 verified

Detections (6 of 56 engines)

MalwareAnalyser heuristics (entropy/packer): UPX
ClamAV (daily): Win.Ransomware.Somhoveran-9870372-0
Detect It Easy (packer/type): DIE:Turbo Linker
Microsoft Defender: Trojan:Win32/Vindor!pz
Emsisoft (Emergency Kit): Gen:Trojan.ShellHook.lmJfa4pdRVd
Kaspersky (KVRT): Worm.Win32.Wenper.b

MITRE ATT&CK

Why this verdict

The malicious score of 100/100 is the fusion of 12 weighted signals:

ClamAV (daily) flagged Win.Ransomware.Somhoveran-9870372-0 (rule Win.Ransomware.Somhoveran-9870372-0) - engine signal, weight 0.90, confidence 0.95
Microsoft Defender flagged Trojan:Win32/Vindor!pz (rule Trojan:Win32/Vindor!pz) - engine signal, weight 0.55, confidence 0.85
Emsisoft (Emergency Kit) flagged Gen:Trojan.ShellHook.lmJfa4pdRVd (rule Gen:Trojan.ShellHook.lmJfa4pdRVd) - engine signal, weight 0.55, confidence 0.85
Kaspersky (KVRT) flagged Worm.Win32.Wenper.b (rule Worm.Win32.Wenper.b) - engine signal, weight 0.55, 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) across 1 rule(s): Windows Service Installation [medium] (rule tl-service-install) - dynamic signal, weight 0.40, confidence 0.90
Contacted 3 HTTP request(s) at runtime - network signal, weight 0.40, confidence 0.80
Detect It Easy (packer/type) flagged DIE:Turbo Linker (rule DIE:Turbo Linker) - engine signal, weight 0.35, confidence 0.70
MalwareAnalyser heuristics (entropy/packer) flagged UPX (rule UPX) - engine signal, weight 0.35, confidence 0.70
Packing/obfuscation: UPX, high-entropy-sections:UPX1, Turbo Linker - static signal, weight 0.25, confidence 0.55
Dropped 3 executable file(s) at runtime - dynamic signal, weight 0.20, confidence 0.60
Observed at runtime: Modify Registry (T1112) (rule Modify Registry) - dynamic signal, weight 0.12, confidence 0.90

Dynamic analysis (windows)

311 behavior events · 2 ATT&CK techniques · 4 dropped files.

Dropped files

C:\Windows\System32\wlogon.dll - fa6c953256a3c2c18f93a33e83186a40d141f677b33622fd6b6423c3b246bd62
C:\Windows\System32\net.cpl - a68d35f6eeea79869cf04170e0883a8e294c7fc383f32d600c1043625cb8b349
C:\Windows\System32\crypto.dll - 71b8ffc0c48ef0cf8590324dc567869aa54f4a595122448e083a2a6b92ffd591
C:\Windows\System32\lcss.exe - a3cd23f417f31d549105db0b190dc991337ac83578d995b85372352c9615fe01

Embedded URLs

http://www.msftconnecttest.com/connecttest.txt
http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
http://rb.symcb.com/rb.crl

Embedded IP addresses

20.50.201.205
52.123.252.230
52.230.59.222
40.84.97.4
4.230.171.124
104.18.33.89
74.178.76.54
57.155.101.212
20.184.175.7
135.232.92.137
20.184.175.4
135.233.45.222
52.110.12.16
52.110.12.54

More Somhoveran samples · Latest analyzed threats · ATT&CK coverage

Analyzed on MalwareAnalyzer by Cyble · Open interactive report