Overview

overview

10

Static

static

10

4fdba326c8...11.exe

windows7-x64

10

4fdba326c8...11.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    4fdba326c8acb7e1ee9336fa8e6715145565f16812393a2c1fe6b590aebd6c11

  • Size

    592KB

  • Sample

    240507-z6zbqabc34

  • MD5

    e793467b85574c3be53b54ae8e8b5231

  • SHA1

    f095ca9635cfc02e84e56d2ceefb6ae58e8c5972

  • SHA256

    4fdba326c8acb7e1ee9336fa8e6715145565f16812393a2c1fe6b590aebd6c11

  • SHA512

    9774b49b6bf5ebf0ce6673ecfe41205dbcd03ef2a4f565e3f53158b5146f5745513058dfbadad15444a03053ddfa67d05ec78400c7e0d38c900a022a4a5cd439

  • SSDEEP

    12288:wcWRJxhIUKofd9S88itJsL6s8GwUF81yn0FI/6IC0XoSt:TW/xhIUKofSytJsL6HUP0OHCi

Score
10/10
darkcometpersistencerattrojanupx

Malware Config

Targets

    • Target

      4fdba326c8acb7e1ee9336fa8e6715145565f16812393a2c1fe6b590aebd6c11

    • Size

      592KB

    • MD5

      e793467b85574c3be53b54ae8e8b5231

    • SHA1

      f095ca9635cfc02e84e56d2ceefb6ae58e8c5972

    • SHA256

      4fdba326c8acb7e1ee9336fa8e6715145565f16812393a2c1fe6b590aebd6c11

    • SHA512

      9774b49b6bf5ebf0ce6673ecfe41205dbcd03ef2a4f565e3f53158b5146f5745513058dfbadad15444a03053ddfa67d05ec78400c7e0d38c900a022a4a5cd439

    • SSDEEP

      12288:wcWRJxhIUKofd9S88itJsL6s8GwUF81yn0FI/6IC0XoSt:TW/xhIUKofSytJsL6HUP0OHCi

    Score
    10/10
    darkcometpersistencerattrojanupx

    • Darkcomet

      DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.

      trojanratdarkcomet

    • UPX dump on OEP (original entry point)

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

4
T1012

System Information Discovery

5
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks