MALICIOUS — pnpbnl.exe

MALICIOUS — pnpbnl.exe is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (99/100), attributed to the Dinwod family. 11 of 55 detection engines flagged it, exhibiting 2 ATT&CK techniques.

Identification

• SHA-256: ce82a11979253486b12b930e35cf9436e9ac99ada13c53c960c93a9ee11d9b17
• SHA-1: a5c6795b62a348b2acdba813f552302777580baf
• MD5: 835e015846cdbe4801de50a3a683f981
• imphash: 46c7aa7020cb76df8d87fbfa7b84aca2
• ssdeep: 6144:T3cm4FmowdHoS1JdJEJ5JEJ/JEJ2JvJEJ2J/JEJ2J5JEJ2J7J2JEJ2J7JtJEJ2J+:h4wFHoSMQ
• TLSH: T16B638373F4165ED9CB09B336844A64ED067339BB08ACE1844612E6467ED4FE339B660C
• Submitted as: pnpbnl.exe
• File type: pe · Size: 4913699 bytes
• Verdict: malicious (99/100) · Family: Dinwod

Detections (11 of 55 engines)

• YARA: MalwareAnalyser built-in: Windows_Injection_Api_Combo
• capa (capabilities): capability:collection/keylog
• MalwareAnalyser heuristics (entropy/packer): UPX
• ClamAV (daily): Win.Malware.Dinwod-9828955-0
• YARA: JPCERT/CC: JPCERT_HUILoader_PlugX_SideLoad
• YARA: MalwareAnalyser community pack: TL_Shellcode_VirtualAlloc_Exec
• Detect It Easy (packer/type): DIE:UPX
• Microsoft Defender: Backdoor:MSIL/Bladabindi!pz
• Emsisoft (Emergency Kit): Trojan.Agent.EZHO
• Trellix Stinger (McAfee): Trojan-FPCQ!EE2A74958E59
• Kaspersky (KVRT): Trojan-Dropper.Win32.Dinwod.acqn

MITRE ATT&CK

• T1055
• T1056.001

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.Malware.Dinwod-9828955-0 (rule Win.Malware.Dinwod-9828955-0) - 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
• 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
• YARA: MalwareAnalyser community pack flagged TL_Shellcode_VirtualAlloc_Exec (rule TL_Shellcode_VirtualAlloc_Exec) - engine signal, weight 0.35, confidence 0.70
• Detect It Easy (packer/type) flagged DIE:UPX (rule DIE:UPX) - engine signal, weight 0.35, confidence 0.70
• Packing/obfuscation: UPX, high-entropy-sections:UPX1 - static signal, weight 0.25, confidence 0.55
• inject code into another process (rule inject code into another process) - capa signal, weight 0.12, 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.

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report