Overview

overview

10

Static

static

10

55012d17f8...2c.exe

windows7-x64

10

55012d17f8...2c.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    55012d17f84e136f034d78a49f6bc3f308ac5f7c7f9fdfe59436e479c0a23e2c

  • Size

    658KB

  • Sample

    220725-vwa4xscbem

  • MD5

    7f6522eed5681006fef33f7aeb092586

  • SHA1

    1b2831396a354b54421447ad782ff2374d5e0bf0

  • SHA256

    55012d17f84e136f034d78a49f6bc3f308ac5f7c7f9fdfe59436e479c0a23e2c

  • SHA512

    2d7bf2051dbcaea70f0ee06ee5754123c9bc1b95dcbffdc3b749c4284451e31cd3820a4ac320a926950b66d65b222e9ff3fbe5cd76f8e38833cdd245dd4243e2

Score
10/10
darkcometguest16persistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

enexbke.no-ip.org:1604

Mutex

DC_MUTEX-40LW3PY

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    5qF963E8o4fU

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    MicroUpdate

Targets

    • Target

      55012d17f84e136f034d78a49f6bc3f308ac5f7c7f9fdfe59436e479c0a23e2c

    • Size

      658KB

    • MD5

      7f6522eed5681006fef33f7aeb092586

    • SHA1

      1b2831396a354b54421447ad782ff2374d5e0bf0

    • SHA256

      55012d17f84e136f034d78a49f6bc3f308ac5f7c7f9fdfe59436e479c0a23e2c

    • SHA512

      2d7bf2051dbcaea70f0ee06ee5754123c9bc1b95dcbffdc3b749c4284451e31cd3820a4ac320a926950b66d65b222e9ff3fbe5cd76f8e38833cdd245dd4243e2

    Score
    10/10
    darkcometguest16persistencerattrojan

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Executes dropped EXE

    • 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