Overview

overview

10

Static

static

10

a02b90223f...34.exe

windows7-x64

10

a02b90223f...34.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    a02b90223fa6c71c2c4f94129af9c91956f66d69746ba77767511eb42f0cbe34

  • Size

    283KB

  • Sample

    230130-e4m6fsag2t

  • MD5

    b53682a01d1e2cb83c1c19ae24f9c764

  • SHA1

    d8c676bd8e93a6c5ddcb8f194b6fad9f9e06e2cb

  • SHA256

    a02b90223fa6c71c2c4f94129af9c91956f66d69746ba77767511eb42f0cbe34

  • SHA512

    0e925211ef75719b99119e701fd0eb383fc87fba7b11fb9c40b9afd90a7973190877cae16859f0e553f2434c2a7efdb4e65a4d4170dd53079c8219d69c58fbc0

  • SSDEEP

    6144:KcNYS996KFifeVjBpeExgVTFSXFoMc5RhCaL37u:KcW7KEZlPzCy37u

Score
10/10
darkcometguest16persistencerattrojanupx

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

legpkz.no-ip.biz:1604

Mutex

DC_MUTEX-6NLXV6K

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    X1ANFxb7gNlw

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Targets

    • Target

      a02b90223fa6c71c2c4f94129af9c91956f66d69746ba77767511eb42f0cbe34

    • Size

      283KB

    • MD5

      b53682a01d1e2cb83c1c19ae24f9c764

    • SHA1

      d8c676bd8e93a6c5ddcb8f194b6fad9f9e06e2cb

    • SHA256

      a02b90223fa6c71c2c4f94129af9c91956f66d69746ba77767511eb42f0cbe34

    • SHA512

      0e925211ef75719b99119e701fd0eb383fc87fba7b11fb9c40b9afd90a7973190877cae16859f0e553f2434c2a7efdb4e65a4d4170dd53079c8219d69c58fbc0

    • SSDEEP

      6144:KcNYS996KFifeVjBpeExgVTFSXFoMc5RhCaL37u:KcW7KEZlPzCy37u

    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