Overview

overview

10

Static

static

5c9403968c...9e.exe

windows7-x64

10

5c9403968c...9e.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    5c9403968c130660b6b080d786e7c31c424919c94b026e5e0879271dc7c8c99e

  • Size

    372KB

  • Sample

    221001-3zvazaeabn

  • MD5

    6626669321c019d9eceb2bad12e2e814

  • SHA1

    46505fd14d92483c4debf6e78f7dff830dd35dad

  • SHA256

    5c9403968c130660b6b080d786e7c31c424919c94b026e5e0879271dc7c8c99e

  • SHA512

    e1cde06cf03cba28fd7faee9424c3ea13ffd1afa9b5490704165b794c24b77e252d4a0112f4eba5e00e1b3c61867307877f4dffe5690769eecb2e44269873176

  • SSDEEP

    3072:Lpjkwdi0gOY4saSRLvAjE3p5JBgBMzn4wrR+qCwoTUi8cJNQcN32oCspZHbZbAT5:dhCLvvpHBgBM7BkqkdO2ZHE+6V5/BA+

Score
10/10
darkcometguest16persistencerattrojanupx

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

127.0.0.1:1604

217.66.227.219:1604
Mutex

DC_MUTEX-QYGXHCW

Attributes
  • InstallPath

    MSDCSC\msdcoc.exe

  • gencode

    ddYin0vduQaq

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    Microopdate

Targets

    • Target

      5c9403968c130660b6b080d786e7c31c424919c94b026e5e0879271dc7c8c99e

    • Size

      372KB

    • MD5

      6626669321c019d9eceb2bad12e2e814

    • SHA1

      46505fd14d92483c4debf6e78f7dff830dd35dad

    • SHA256

      5c9403968c130660b6b080d786e7c31c424919c94b026e5e0879271dc7c8c99e

    • SHA512

      e1cde06cf03cba28fd7faee9424c3ea13ffd1afa9b5490704165b794c24b77e252d4a0112f4eba5e00e1b3c61867307877f4dffe5690769eecb2e44269873176

    • SSDEEP

      3072:Lpjkwdi0gOY4saSRLvAjE3p5JBgBMzn4wrR+qCwoTUi8cJNQcN32oCspZHbZbAT5:dhCLvvpHBgBM7BkqkdO2ZHE+6V5/BA+

    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

    • Suspicious use of SetThreadContext

    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