MALICIOUS — 8faa5397e3a4bf9bb4fc1d8278a662521d110783b1b5701f3f3366f2f395ce73

MALICIOUS — 8faa5397e3a4bf9bb4fc1d8278a662521d110783b1b5701f3f3366f2f395ce73 is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (96/100), attributed to the Delf family. 6 of 55 detection engines flagged it, exhibiting 2 ATT&CK techniques.

Identification

• SHA-256: 8faa5397e3a4bf9bb4fc1d8278a662521d110783b1b5701f3f3366f2f395ce73
• SHA-1: 339bbcd16a5b7f10caee71725cbe38048c7b3056
• MD5: 1c8cf23a8cb7fbb6171f8406a994b980
• imphash: 31d1c48ee7d8e07a5706e963146db875
• ssdeep: 1536:p4q8Q1xZtffrb8sjPFNhTYsFFrzXVtD4KfVNUf/V:qKtfDwsjPThTYszHVtD4yVuV
• TLSH: T1F6389D295B5A7797EB73D7620841B70E0062F9B86075448D6323826FBBF9C237E74218
• Submitted as: 8faa5397e3a4bf9bb4fc1d8278a662521d110783b1b5701f3f3366f2f395ce73
• File type: pe · Size: 80552 bytes
• Verdict: malicious (96/100) · Family: Delf

Detections (6 of 55 engines)

• YARA: MalwareAnalyser built-in: Windows_Injection_Api_Combo
• ClamAV (daily): Win.Trojan.Delf-1564
• YARA: JPCERT/CC: JPCERT_HUILoader_PlugX_SideLoad
• Microsoft Defender: Virus:Win32/Viking.MS
• Emsisoft (Emergency Kit): Trojan.Agent.FPMF
• Kaspersky (KVRT): Virus.Win32.Lamer.xe

MITRE ATT&CK

• T1057
• T1055

YARA

• Windows_Injection_Api_Combo

Why this verdict

The malicious score of 96/100 is the fusion of 4 weighted signals:

• ClamAV (daily) flagged Win.Trojan.Delf-1564 (rule Win.Trojan.Delf-1564) - 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
• YARA: JPCERT/CC flagged JPCERT_HUILoader_PlugX_SideLoad (rule JPCERT_HUILoader_PlugX_SideLoad) - engine signal, weight 0.35, confidence 0.70
• enumerate processes (rule enumerate processes) - capa signal, weight 0.20, 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.

Embedded URLs

• https://www.digicert.com/CPS0
• http://crl3.digicert.com/sha2-assured-cs-g1.crl05
• http://crl4.digicert.com/sha2-assured-cs-g1.crl0L
• http://crl3.digicert.com/sha2-assured-ts.crl02
• http://crl4.digicert.com/sha2-assured-ts.crl0

Embedded domains

• cacerts.digicert.com
• crl4.digicert.com
• crl3.digicert.com
• www.digicert.com

Embedded IP addresses

• 192.168.0.30
• 192.168.8.1

File paths

• c:\jenkins\workspace\8-2-build-windows-amd64-cygwin\jdk8u281\880\build\windows-amd64\jdk\objs\servertool_objs\servertool.pdb

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report