MALICIOUS — virussign.com_b3678ba29d33854f795647cca834a470.vir

MALICIOUS — virussign.com_b3678ba29d33854f795647cca834a470.vir is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (98/100), attributed to the CeeInject family. 5 of 52 detection engines flagged it, exhibiting 2 ATT&CK techniques.

Identification

• SHA-256: 7c2df350e700d0dfd22a1fceff664a3023463cf25727ff387376a1463c6bd9da
• SHA-1: 886a3b71362cb1b975dc3d4d99fe0da4b35d83c2
• MD5: b3678ba29d33854f795647cca834a470
• imphash: 118eb37b88640d7f3f7ac979ea5687cc
• ssdeep: 384:yVxXkoh3WyzLeReRQnncRHAyDD8BEtMKQWQ1Y5Z9I/LaCBwm6LFhyoeijFcg:smcNi3CgMgBEtBB4YdI/LaCBwDLOI2g
• TLSH: T199302758D750AA9DD26BB41235E3888EF02263AEF169D4BB58D483709CF04737C35E98
• Submitted as: virussign.com_b3678ba29d33854f795647cca834a470.vir
• File type: pe · Size: 36864 bytes
• Verdict: malicious (98/100) · Family: CeeInject

Detections (5 of 52 engines)

• YARA: MalwareAnalyser built-in: Windows_Injection_Api_Combo
• ClamAV (daily): Win.Trojan.Rubinurd-67
• YARA: MalwareAnalyser community pack: TL_Shellcode_VirtualAlloc_Exec
• Microsoft Defender: VirTool:Win32/CeeInject.gen!DU
• Kaspersky (KVRT): HEUR:Trojan-Ransom.Win32.Blocker.gen

MITRE ATT&CK

• T1547.001
• T1055

YARA

• Windows_Injection_Api_Combo

Why this verdict

The malicious score of 98/100 is the fusion of 5 weighted signals:

• ClamAV (daily) flagged Win.Trojan.Rubinurd-67 (rule Win.Trojan.Rubinurd-67) - 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
• Microsoft Defender flagged VirTool:Win32/CeeInject.gen!DU (rule VirTool:Win32/CeeInject.gen!DU) - engine signal, weight 0.55, confidence 0.85
• YARA: MalwareAnalyser community pack flagged TL_Shellcode_VirtualAlloc_Exec (rule TL_Shellcode_VirtualAlloc_Exec) - engine signal, weight 0.35, confidence 0.70
• persist via registry run key (rule persist via registry run key) - capa signal, weight 0.35, confidence 0.60

Dynamic analysis (windows)

0 behavior events · 0 ATT&CK techniques · 0 dropped files.

Runtime network

• none

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