MALICIOUS — PUWUM.exe

MALICIOUS — PUWUM.exe is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (93/100), attributed to the Razy family. 6 of 52 detection engines flagged it, exhibiting 2 ATT&CK techniques.

Identification

• SHA-256: c74196dc50881d43a9cba727860712516d4978de37be3c99e4a5147d68aa1cf2
• SHA-1: f091bd8f81225b70e08c75ddc8c0608853a64f0b
• MD5: bc16ae6a01f09defd352ff6c0fa0a3f6
• imphash: 8c235e3a9d7f61224225c532f7c9583a
• ssdeep: 3072:uYYAQuuPvkydxSSg3dtgQ/BI2JUuJeHh/2yrD4As+mact4NLthEjQT6j:uYYbuko30Q/y2JTeHRbsAs+/ctQEj1
• TLSH: T198426ADC88F92B54CE79D650AE31251C413178F950BD6E6E8783B2364CD301FB8AA52B
• Submitted as: PUWUM.exe
• File type: pe · Size: 212992 bytes
• Verdict: malicious (93/100) · Family: Razy

Detections (6 of 52 engines)

• capa (capabilities): capability:collection/keylog
• ClamAV (daily): Win.Malware.Razy-9759519-0
• YARA: JPCERT/CC: JPCERT_HUILoader_PlugX_SideLoad
• Microsoft Defender: Trojan:Win32/Aenjaris.AL!bit
• Emsisoft (Emergency Kit): Trojan.Agent.DCBC
• Kaspersky (KVRT): HEUR:Trojan.Win32.Generic

MITRE ATT&CK

• T1547.001
• T1056.001

Why this verdict

The malicious score of 93/100 is the fusion of 4 weighted signals:

• ClamAV (daily) flagged Win.Malware.Razy-9759519-0 (rule Win.Malware.Razy-9759519-0) - engine signal, weight 0.90, confidence 0.95
• capture keystrokes (rule capture keystrokes) - capa signal, weight 0.40, confidence 0.80
• YARA: JPCERT/CC flagged JPCERT_HUILoader_PlugX_SideLoad (rule JPCERT_HUILoader_PlugX_SideLoad) - 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

No runtime behaviour was captured for this sample, so the analysis above is static only. That is a limit of this run rather than evidence the sample does nothing.

File paths

• f:\rtm\vctools\vc7libs\ship\atlmfc\include\afxwin2.inl
• C:\windows\%s
• C:\windows\system32\%s
• C:\windows\system\%s
• c:\stop-adw.txt

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

Analyzed on MalwareAnalyzer by Cyble · Open interactive report