Overview

overview

10

Static

static

10

9f6b7314e9...07.exe

windows7-x64

10

9f6b7314e9...07.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    9f6b7314e9e548428faa11012661ef07

  • Size

    659KB

  • Sample

    231227-dlqm7adafn

  • MD5

    9f6b7314e9e548428faa11012661ef07

  • SHA1

    83d562f5cb9ed35bc8e1254a1a83844f9469e49a

  • SHA256

    db442079affc7ed67d0acc3738ecbc8a3af61c029f2df790c93fe108be4f9415

  • SHA512

    e0cb58e61e5f73698578cfaa5583b8f61beb60a597802d17273d987fa8ea19b0477d700fcdfaa66c1b55ce48e4185eba7308078259bcf6da517df60646afd780

  • SSDEEP

    12288:mX2JVHMRtDaSm3TJvVNvWV5YTsY7tHwbz/htfcoCoK632zb3G/i:oss2Sm39NNv9wY7tHwbzfIoK6MU

Score
10/10
darkcometguest16_minpersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16_min

C2

127.0.0.1:1604

Mutex

DCMIN_MUTEX-D7M2031

Attributes
  • InstallPath

    DCSCMIN\IMDCSC.exe

  • gencode

    xy2q39auUiUN

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    DarkComet RAT

Targets

    • Target

      9f6b7314e9e548428faa11012661ef07

    • Size

      659KB

    • MD5

      9f6b7314e9e548428faa11012661ef07

    • SHA1

      83d562f5cb9ed35bc8e1254a1a83844f9469e49a

    • SHA256

      db442079affc7ed67d0acc3738ecbc8a3af61c029f2df790c93fe108be4f9415

    • SHA512

      e0cb58e61e5f73698578cfaa5583b8f61beb60a597802d17273d987fa8ea19b0477d700fcdfaa66c1b55ce48e4185eba7308078259bcf6da517df60646afd780

    • SSDEEP

      12288:mX2JVHMRtDaSm3TJvVNvWV5YTsY7tHwbz/htfcoCoK632zb3G/i:oss2Sm39NNv9wY7tHwbzfIoK6MU

    Score
    10/10
    darkcometguest16_minpersistencerattrojan

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence
    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Defense Evasion

Modify Registry

2
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks