General

  • Target

    61469ca57f2adc1298c401654f480d1a74216bf198fcc4083c4ecb4c915719a5

  • Size

    7.6MB

  • Sample

    220730-1h9yzshcg5

  • MD5

    67e0fbdcc5b4c67ea6020f2a9a3cd66b

  • SHA1

    3b62c037ad412deecf638812e66bbddfa05efa35

  • SHA256

    61469ca57f2adc1298c401654f480d1a74216bf198fcc4083c4ecb4c915719a5

  • SHA512

    abdd972d162d4fae5f1bbe7b8e46b6ad72c1481ec3c448c1a327971a96e87774d2461e4858d19c6874b53ef74bac431e2dd21f6c0d6691a67b0b4b84b6a807f6

Malware Config

Extracted

Family

darkcomet

Botnet

Neo

C2

neoxyne.myvnc.com:1995

Mutex

DC_MUTEX-RVTKUEQ

Attributes
  • InstallPath

    Google\chromemsdcsc.exe

  • gencode

    uiEb6MXxZaxa

  • install

    true

  • offline_keylogger

    true

  • password

    neoxyne1995

  • persistence

    true

  • reg_key

    MicroUpdate

Targets

    • Target

      61469ca57f2adc1298c401654f480d1a74216bf198fcc4083c4ecb4c915719a5

    • Size

      7.6MB

    • MD5

      67e0fbdcc5b4c67ea6020f2a9a3cd66b

    • SHA1

      3b62c037ad412deecf638812e66bbddfa05efa35

    • SHA256

      61469ca57f2adc1298c401654f480d1a74216bf198fcc4083c4ecb4c915719a5

    • SHA512

      abdd972d162d4fae5f1bbe7b8e46b6ad72c1481ec3c448c1a327971a96e87774d2461e4858d19c6874b53ef74bac431e2dd21f6c0d6691a67b0b4b84b6a807f6

    • Darkcomet

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

    • Modifies WinLogon for persistence

    • Modifies firewall policy service

    • Modifies security service

    • Windows security bypass

    • Executes dropped EXE

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • VMProtect packed file

      Detects executables packed with VMProtect commercial packer.

    • Checks computer location settings

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

    • Loads dropped DLL

    • Windows security modification

    • Adds Run key to start application

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Winlogon Helper DLL

1
T1004

Modify Existing Service

2
T1031

Hidden Files and Directories

2
T1158

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

7
T1112

Disabling Security Tools

2
T1089

Hidden Files and Directories

2
T1158

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Tasks