Overview

overview

10

Static

static

5

1f9ff29afc...25.exe

windows7_x64

10

1f9ff29afc...25.exe

windows10_x64

10

Sharing

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General

  • Target

    1f9ff29afc60eebf41511416db4988007f3d041744574ac144f88eaf82e52b25

  • Size

    1.5MB

  • Sample

    200624-n9b7eq6bqe

  • MD5

    a2d1d72360a93ba7ac24a2abe420c8fa

  • SHA1

    43344ec45ed137deec2b9c8e38eeb1c6d54b4cab

  • SHA256

    1f9ff29afc60eebf41511416db4988007f3d041744574ac144f88eaf82e52b25

  • SHA512

    5f64c4dc8d5ba47ed73da71bcbc040c2f9acc8e48daf31c485c2f988df11c968fd235de779f517e208044e6aa88fe8a30cdb70c10f29557ebaba7b95b88ac76f

Score
10/10
darkcometguest16persistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

192.168.42.149:1604

Mutex

DC_MUTEX-DHCS0WN

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    PeRqGsgi7a6R

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Targets

    • Target

      1f9ff29afc60eebf41511416db4988007f3d041744574ac144f88eaf82e52b25

    • Size

      1.5MB

    • MD5

      a2d1d72360a93ba7ac24a2abe420c8fa

    • SHA1

      43344ec45ed137deec2b9c8e38eeb1c6d54b4cab

    • SHA256

      1f9ff29afc60eebf41511416db4988007f3d041744574ac144f88eaf82e52b25

    • SHA512

      5f64c4dc8d5ba47ed73da71bcbc040c2f9acc8e48daf31c485c2f988df11c968fd235de779f517e208044e6aa88fe8a30cdb70c10f29557ebaba7b95b88ac76f

    Score
    10/10
    darkcometguest16persistencerattrojan

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Uses the VBS compiler for execution

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scripting

1
T1064

Persistence

Winlogon Helper DLL

1
T1004

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

2
T1112

Scripting

1
T1064

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks