Overview

overview

10

Static

static

783f9bab09...d6.exe

windows7_x64

10

783f9bab09...d6.exe

windows10_x64

10

Sharing

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General

  • Target

    783f9bab0999b921ee53e62c7255a546c44e01e00fad05b3a395b4fbedc8bed6

  • Size

    530KB

  • Sample

    201111-5qcek2w9fj

  • MD5

    f73a094b2992b7527413560954fb05a2

  • SHA1

    e62b577e94dc156a1d5f0b276fffd2fb42f48853

  • SHA256

    783f9bab0999b921ee53e62c7255a546c44e01e00fad05b3a395b4fbedc8bed6

  • SHA512

    4d0b4fbd893e81cda106fc888f6eb1ebca02e21da40e869d045ca4013d5203d95c017831c2c1c6cba344216232957c645a902dd12d40b61d69ba5c70d50e34f7

Score
10/10
darkcometevasionpersistencerattrojanupx

Malware Config

Targets

    • Target

      783f9bab0999b921ee53e62c7255a546c44e01e00fad05b3a395b4fbedc8bed6

    • Size

      530KB

    • MD5

      f73a094b2992b7527413560954fb05a2

    • SHA1

      e62b577e94dc156a1d5f0b276fffd2fb42f48853

    • SHA256

      783f9bab0999b921ee53e62c7255a546c44e01e00fad05b3a395b4fbedc8bed6

    • SHA512

      4d0b4fbd893e81cda106fc888f6eb1ebca02e21da40e869d045ca4013d5203d95c017831c2c1c6cba344216232957c645a902dd12d40b61d69ba5c70d50e34f7

    Score
    10/10
    darkcometevasionpersistencerattrojanupx

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Modifies firewall policy service

      evasion

    • Modifies security service

      evasion

    • Windows security bypass

      evasiontrojan

    • Disables RegEdit via registry modification

      evasion

    • Disables Task Manager via registry modification

      evasion

    • Executes dropped EXE

    • UPX packed file

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

      upx

    • Checks BIOS information in registry

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

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1
T1004

Modify Existing Service

2
T1031

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

5
T1112

Disabling Security Tools

1
T1089

Credential Access

Discovery

Query Registry

3
T1012

System Information Discovery

3
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks