MALICIOUS — b96dd9eff2f5a0c427172356865e147a7a3e2b881120c1b7f3cb775a6765267a

MALICIOUS — b96dd9eff2f5a0c427172356865e147a7a3e2b881120c1b7f3cb775a6765267a is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (100/100), attributed to the Urelas family. 6 of 56 detection engines flagged it, exhibiting 3 ATT&CK techniques.

Identification

SHA-256: b96dd9eff2f5a0c427172356865e147a7a3e2b881120c1b7f3cb775a6765267a
SHA-1: c826baf8425f8493f55e6b1ed8c90995fd2aa5d2
MD5: 43f5d749d26a40c01d64ae67e45b925e
imphash: e64c588944c2ac10400ed12764c26b03
ssdeep: 768:n5mhew0GpSyMe6hwUkdwJzh+qciaQRENEzxZbARtR06g2wqp4YPeznellmqGwxPe:nK0GjMeQG3iaQREuVZ6ro29p4YxbKdz
TLSH: T1EE3502A9814AE969E5BEF3043854AC2D6B5E63740CEDB5EDFF00516C6278213920932F
Submitted as: b96dd9eff2f5a0c427172356865e147a7a3e2b881120c1b7f3cb775a6765267a
File type: pe · Size: 61559 bytes
Verdict: malicious (100/100) · Family: Urelas

Detections (6 of 56 engines)

MalwareAnalyser heuristics (entropy/packer): high-entropy-sections:HSUDHUHW
ClamAV (daily): Win.Trojan.Generic-9909987-0
Detect It Easy (packer/type): DIE:Packman
Microsoft Defender: Trojan:Win32/Urelas!pz
Trellix Stinger (McAfee): Trojan-FEXT!87EE44CB458B
Kaspersky (KVRT): HEUR:Trojan.Win32.Generic

MITRE ATT&CK

Why this verdict

The malicious score of 100/100 is the fusion of 13 weighted signals:

ClamAV (daily) flagged Win.Trojan.Generic-9909987-0 (rule Win.Trojan.Generic-9909987-0) - engine signal, weight 0.90, confidence 0.95
Microsoft Defender flagged Trojan:Win32/Urelas!pz (rule Trojan:Win32/Urelas!pz) - engine signal, weight 0.55, confidence 0.85
Trellix Stinger (McAfee) flagged Trojan-FEXT!87EE44CB458B (rule Trojan-FEXT!87EE44CB458B) - engine signal, weight 0.55, confidence 0.85
Kaspersky (KVRT) flagged HEUR:Trojan.Win32.Generic (rule HEUR:Trojan.Win32.Generic) - 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
Contacted 5 external host(s) and 6 HTTP request(s) at runtime - network signal, weight 0.40, confidence 0.80
Anti-analysis: T1497.001, T1082, T1622 - dynamic signal, weight 0.40, confidence 0.75
Detect It Easy (packer/type) flagged DIE:Packman (rule DIE:Packman) - engine signal, weight 0.35, confidence 0.70
MalwareAnalyser heuristics (entropy/packer) flagged high-entropy-sections:HSUDHUHW (rule high-entropy-sections:HSUDHUHW) - engine signal, weight 0.35, confidence 0.70
Packing/obfuscation: high-entropy-sections:HSUDHUHW, Packman - static signal, weight 0.25, confidence 0.55
Dropped 1 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
Memory forensics: 2 finding(s) elsewhere in the guest, not attributed to this sample, e.g. SSDT hook (rule windows.ssdt.SSDT) - memory signal, weight 0.05, confidence 0.30

Dynamic analysis (windows)

12851 behavior events · 2 ATT&CK techniques · 2 dropped files.

Dropped files

C:\Users\analyst\AppData\Local\Temp\biudfw.exe - 46936258fe93bac23cca01b3838580577fb105f4a7d468541b49ed81b8d99796
C:\Users\analyst\AppData\Local\Temp\golfinfo.ini - a945a44cfe50423c01f26a16445ed177a347052e791364a9cb7de6bcaa18f3c1

Embedded URLs

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

Embedded IP addresses

4.150.223.104
20.247.184.197
4.230.171.124
172.215.188.232
104.18.33.89
135.232.92.97
74.179.77.204
4.150.223.98
218.54.47.76
218.54.47.74
52.110.12.47
52.110.12.18
4.150.223.107
20.42.73.30
218.54.47.77
135.234.160.246
125.56.205.26
125.56.205.65
72.153.5.129
52.148.114.188
92.223.78.30
52.110.12.8
52.110.12.54

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report