Overview

overview

10

Static

static

8

a413b2f308...7b.exe

windows7_x64

10

a413b2f308...7b.exe

windows10_x64

10

Sharing

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General

  • Target

    a413b2f308d79534c8989b5b1f63663c261e8258caf452ae021a4a0c291f5f7b

  • Size

    252KB

  • Sample

    201115-e1revffwej

  • MD5

    3e734884cff7885e868bd18a37d626b2

  • SHA1

    e76e6ee891dbfc141218b5fe4378f9a851664224

  • SHA256

    a413b2f308d79534c8989b5b1f63663c261e8258caf452ae021a4a0c291f5f7b

  • SHA512

    30df6493053c37eb1b494009557672f30d1d67c71145950aea0e2112c64d905f071b0d543b1da73965b823ef03bc1b43ff6d37dab5f0b27b876291fe3c271701

Score
10/10
darkcometpersistencerattrojanupx

Malware Config

Targets

    • Target

      a413b2f308d79534c8989b5b1f63663c261e8258caf452ae021a4a0c291f5f7b

    • Size

      252KB

    • MD5

      3e734884cff7885e868bd18a37d626b2

    • SHA1

      e76e6ee891dbfc141218b5fe4378f9a851664224

    • SHA256

      a413b2f308d79534c8989b5b1f63663c261e8258caf452ae021a4a0c291f5f7b

    • SHA512

      30df6493053c37eb1b494009557672f30d1d67c71145950aea0e2112c64d905f071b0d543b1da73965b823ef03bc1b43ff6d37dab5f0b27b876291fe3c271701

    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