Overview

overview

10

Static

static

10

a1f5a8ee77...e5.exe

windows7-x64

10

a1f5a8ee77...e5.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    a1f5a8ee77c66ba3b74b55f37be7b5e5

  • Size

    660KB

  • Sample

    240224-qnkk6sch23

  • MD5

    a1f5a8ee77c66ba3b74b55f37be7b5e5

  • SHA1

    33c06f5fc98557b20be2719eb6b167de5db97833

  • SHA256

    7e6a4187c63b71f6e3ee87adeda48474a0d9787161e2d375d5c9e3a449c902f7

  • SHA512

    fcd3db5feeeec9a1fe83b8c934d0a8dbf264cafdf7cbaf20084febccda09ae863d34c6819b00ef01e18b94bddec6f89217d25e60d0e1b9ec1c607cc3a234be81

  • SSDEEP

    12288:gXhpvNWw276S/DuoeFcfbmiJ99VPhYR5MTSHvLenELrWv1lZw4JuMkMh/fy452Uv:mnAw2WWeFcfbP9VPSPMTSPL/rWvzq4Jf

Score
10/10
darkcometguest16_minpersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16_min

C2

chememo1.no-ip.org:81

Mutex

DCMIN_MUTEX-7W4BBR2

Attributes
  • InstallPath

    DCSCMIN\IMDCSC.exe

  • gencode

    1xSDcZWTTQQQ

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    DarkComet RAT

Targets

    • Target

      a1f5a8ee77c66ba3b74b55f37be7b5e5

    • Size

      660KB

    • MD5

      a1f5a8ee77c66ba3b74b55f37be7b5e5

    • SHA1

      33c06f5fc98557b20be2719eb6b167de5db97833

    • SHA256

      7e6a4187c63b71f6e3ee87adeda48474a0d9787161e2d375d5c9e3a449c902f7

    • SHA512

      fcd3db5feeeec9a1fe83b8c934d0a8dbf264cafdf7cbaf20084febccda09ae863d34c6819b00ef01e18b94bddec6f89217d25e60d0e1b9ec1c607cc3a234be81

    • SSDEEP

      12288:gXhpvNWw276S/DuoeFcfbmiJ99VPhYR5MTSHvLenELrWv1lZw4JuMkMh/fy452Uv:mnAw2WWeFcfbP9VPSPMTSPL/rWvzq4Jf

    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