General

  • Target

    9954f6c940f70e77f7acd128d5b95ab7e365295693714f37fdbbc0064f0586b2

  • Size

    464KB

  • Sample

    201115-egpyxjcfga

  • MD5

    37c57b3e9810f268533c223564a222ca

  • SHA1

    d470c3d28ce2486d8e6d3021e19bef8155988493

  • SHA256

    9954f6c940f70e77f7acd128d5b95ab7e365295693714f37fdbbc0064f0586b2

  • SHA512

    b14e1b571e9508ae4a06e2ee224fe6af274e07d0752aa6f7b6cd213d9fe9eb9b941e0e566a7993e3450f59e54af4419591fb9044ef17591eb1a6ea0772bc3139

Malware Config

Targets

    • Target

      9954f6c940f70e77f7acd128d5b95ab7e365295693714f37fdbbc0064f0586b2

    • Size

      464KB

    • MD5

      37c57b3e9810f268533c223564a222ca

    • SHA1

      d470c3d28ce2486d8e6d3021e19bef8155988493

    • SHA256

      9954f6c940f70e77f7acd128d5b95ab7e365295693714f37fdbbc0064f0586b2

    • SHA512

      b14e1b571e9508ae4a06e2ee224fe6af274e07d0752aa6f7b6cd213d9fe9eb9b941e0e566a7993e3450f59e54af4419591fb9044ef17591eb1a6ea0772bc3139

    • 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

    • Disables RegEdit via registry modification

    • Disables Task Manager via registry modification

    • 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.

    • 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

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

6
T1112

Disabling Security Tools

2
T1089

Hidden Files and Directories

2
T1158

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Tasks