Overview

overview

10

Static

static

10

571eaac9e5...9e.exe

windows7-x64

10

571eaac9e5...9e.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    571eaac9e5f7789fa2fccea6e04f6c82e5e2cd86246d9cba7ab497e03f424e9e

  • Size

    349KB

  • Sample

    221002-spa48sdfcr

  • MD5

    6d2706ffb3b1c6efd5594e1a2ff787b0

  • SHA1

    b819a1b540b2f21c1ae6fcb7c925a51e445f3b0a

  • SHA256

    571eaac9e5f7789fa2fccea6e04f6c82e5e2cd86246d9cba7ab497e03f424e9e

  • SHA512

    968c98c388a3fffe0a8a89f496c9fafb59419440d0f4ae49d5ccb1ceb3f4611c3e6cd327258ba47cfc55d3620aafc62d0b7bc889a1712c63dda227025fa4c653

  • SSDEEP

    6144:wcNYS996KFifeVjBpeExgVTFSXFoMc5RhCaL37d3I2RwplSZkOiu9PZ/p:wcW7KEZlPzCy37xRPNVR

Score
10/10
darkcometguest16persistencerattrojanupx

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

rabdarcrab.no-ip.biz:1604

Mutex

DC_MUTEX-12PKHNW

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    yVkohe6HvLBv

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Targets

    • Target

      571eaac9e5f7789fa2fccea6e04f6c82e5e2cd86246d9cba7ab497e03f424e9e

    • Size

      349KB

    • MD5

      6d2706ffb3b1c6efd5594e1a2ff787b0

    • SHA1

      b819a1b540b2f21c1ae6fcb7c925a51e445f3b0a

    • SHA256

      571eaac9e5f7789fa2fccea6e04f6c82e5e2cd86246d9cba7ab497e03f424e9e

    • SHA512

      968c98c388a3fffe0a8a89f496c9fafb59419440d0f4ae49d5ccb1ceb3f4611c3e6cd327258ba47cfc55d3620aafc62d0b7bc889a1712c63dda227025fa4c653

    • SSDEEP

      6144:wcNYS996KFifeVjBpeExgVTFSXFoMc5RhCaL37d3I2RwplSZkOiu9PZ/p:wcW7KEZlPzCy37xRPNVR

    Score
    10/10
    darkcometguest16persistencerattrojanupx

    • 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.

    • 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