Overview

overview

10

Static

static

10

e41aeeffed...18.exe

windows7-x64

10

e41aeeffed...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    e41aeeffed5f382796b583fde60b2467_JaffaCakes118

  • Size

    660KB

  • Sample

    240407-fjy8nade3s

  • MD5

    e41aeeffed5f382796b583fde60b2467

  • SHA1

    a0b2243ea061ea35515d78a6994346f58e394f75

  • SHA256

    fb40c3571f6f3b79066d062c6890c11fdc6ec07da31adfc3c4c50f60cda3b541

  • SHA512

    d689ecfb22c42a926407cda067520c2ff8911ca440ef85f4a2ca847432154918cdfdb8b299bd53f11eac4593b2b4ef1c39fd9b1f84d71852ad9b9559b99494a5

  • SSDEEP

    12288:UXhpvNWw276S/DuoeFcfbmiJ99VPhYR5MTSHvLenELrWv1lZw4JuMkMh/fy452UR:CnAw2WWeFcfbP9VPSPMTSPL/rWvzq4JB

Score
10/10
darkcometguest16persistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

192.168.2.100:100

Mutex

DC_MUTEX-2ENDG4N

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    oN6Wn8XyCdey

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Targets

    • Target

      e41aeeffed5f382796b583fde60b2467_JaffaCakes118

    • Size

      660KB

    • MD5

      e41aeeffed5f382796b583fde60b2467

    • SHA1

      a0b2243ea061ea35515d78a6994346f58e394f75

    • SHA256

      fb40c3571f6f3b79066d062c6890c11fdc6ec07da31adfc3c4c50f60cda3b541

    • SHA512

      d689ecfb22c42a926407cda067520c2ff8911ca440ef85f4a2ca847432154918cdfdb8b299bd53f11eac4593b2b4ef1c39fd9b1f84d71852ad9b9559b99494a5

    • SSDEEP

      12288:UXhpvNWw276S/DuoeFcfbmiJ99VPhYR5MTSHvLenELrWv1lZw4JuMkMh/fy452UR:CnAw2WWeFcfbP9VPSPMTSPL/rWvzq4JB

    Score
    10/10
    darkcometguest16persistencerattrojan

    • 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.

    • Deletes itself

    • 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