Overview

overview

10

Static

static

8

c71d85fa99...43.exe

windows7_x64

10

c71d85fa99...43.exe

windows10_x64

10

Sharing

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General

  • Target

    c71d85fa9976fc49b3bd3eceb8aeaade3167a9a61a12cd0efee58218189e4843

  • Size

    283KB

  • Sample

    210513-nddj33m8tx

  • MD5

    3e2ce7ab165ab57cf04cfe8ae1583813

  • SHA1

    1b43d9fb051b69ea883590f554b7d11495459977

  • SHA256

    c71d85fa9976fc49b3bd3eceb8aeaade3167a9a61a12cd0efee58218189e4843

  • SHA512

    88c7c570a5969e3f6d938e9b66286b81774de42aea8ae593f5d39874536049cd6d7d1fa19439348ae53f3a4a733b6653c6846de3dc0d92996b199d538bd198c9

Score
10/10
darkcometpersistencerattrojanupx

Malware Config

Targets

    • Target

      c71d85fa9976fc49b3bd3eceb8aeaade3167a9a61a12cd0efee58218189e4843

    • Size

      283KB

    • MD5

      3e2ce7ab165ab57cf04cfe8ae1583813

    • SHA1

      1b43d9fb051b69ea883590f554b7d11495459977

    • SHA256

      c71d85fa9976fc49b3bd3eceb8aeaade3167a9a61a12cd0efee58218189e4843

    • SHA512

      88c7c570a5969e3f6d938e9b66286b81774de42aea8ae593f5d39874536049cd6d7d1fa19439348ae53f3a4a733b6653c6846de3dc0d92996b199d538bd198c9

    Score
    10/10
    darkcometpersistencerattrojanupx

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Executes dropped EXE

    • UPX packed file

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

      upx

    • Checks computer location settings

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

    • Deletes itself

    • Loads dropped DLL

    • Adds Run key to start application

      persistence
    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1
T1004

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

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

Tasks