Overview

overview

10

Static

static

10

4e255455ee...e9.exe

windows7-x64

10

4e255455ee...e9.exe

windows10-2004-x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    4e255455eec04dc7f1849e779d4028e9.exe

  • Size

    660KB

  • Sample

    240109-wzcbtsgec8

  • MD5

    4e255455eec04dc7f1849e779d4028e9

  • SHA1

    b3907c91bbeb7ba618fd12aa2d9112fba2900940

  • SHA256

    43dba78be80d20253ff3bcda6614e0fdd27c4fca4dc2e995c025fa5069e36b84

  • SHA512

    92e6808d24499a17bfb809c9f3ce6cfd37f9cba9921aac8ebe7f24279f2c0556a365fdfb010799ca90c68a46e3e120056a2b554880cc8d3306c97b1ae29425a8

  • SSDEEP

    12288:wXhpvNWw276S/DuoeFcfbmiJ99VPhYR5MTSHvLenELrWv1lZw4JuMkMh/fy452Ui:WnAw2WWeFcfbP9VPSPMTSPL/rWvzq4Jy

Score
10/10
darkcometguest16_minpersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16_min

C2

127.0.0.1:1604

Mutex

DCMIN_MUTEX-8DAWCYH

Attributes
  • InstallPath

    DCSCMIN\IMDCSC.exe

  • gencode

    2LBoAewMMNMd

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    DarkComet RAT

Targets

    • Target

      4e255455eec04dc7f1849e779d4028e9.exe

    • Size

      660KB

    • MD5

      4e255455eec04dc7f1849e779d4028e9

    • SHA1

      b3907c91bbeb7ba618fd12aa2d9112fba2900940

    • SHA256

      43dba78be80d20253ff3bcda6614e0fdd27c4fca4dc2e995c025fa5069e36b84

    • SHA512

      92e6808d24499a17bfb809c9f3ce6cfd37f9cba9921aac8ebe7f24279f2c0556a365fdfb010799ca90c68a46e3e120056a2b554880cc8d3306c97b1ae29425a8

    • SSDEEP

      12288:wXhpvNWw276S/DuoeFcfbmiJ99VPhYR5MTSHvLenELrWv1lZw4JuMkMh/fy452Ui:WnAw2WWeFcfbP9VPSPMTSPL/rWvzq4Jy

    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