Overview

overview

10

Static

static

3

075448d611...9a.exe

windows7-x64

10

075448d611...9a.exe

windows10-2004-x64

1

Sharing

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General

  • Target

    075448d611663baa510daefcb583469a

  • Size

    548KB

  • Sample

    231225-fynqgadfep

  • MD5

    075448d611663baa510daefcb583469a

  • SHA1

    c523655c92dbcc28b1a1fb2dd1f95e4333597f49

  • SHA256

    6d0ce472e07e0bcedad9f932e82512e2f4dd3db90afa0b7004d736b4b7fe7672

  • SHA512

    4caf88720b3d2306e2e006ca9bbc12373d9b088c09218c642feaf142023265fa9bbf0b057e86225adb8799b35d3070d9560709b198c4fea182b6047d161435ec

  • SSDEEP

    12288:HC8+l4wxUipjq5+Mou292BPMusotX6rwzW6XVFJ04qp4OsYOhg59AoWmO:Kq292BPTf0npPv4mO

Score
10/10
darkcometslavepersistencerattrojanupx

Malware Config

Extracted

Family

darkcomet

Botnet

Slave

C2

darkcometramon.zapto.org:1604

Mutex

DC_MUTEX-WACNQ32

Attributes
  • InstallPath

    MSDCSC\Update.exe

  • gencode

    1Zo5tGcdvz3w

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    WindowsUpdater

Targets

    • Target

      075448d611663baa510daefcb583469a

    • Size

      548KB

    • MD5

      075448d611663baa510daefcb583469a

    • SHA1

      c523655c92dbcc28b1a1fb2dd1f95e4333597f49

    • SHA256

      6d0ce472e07e0bcedad9f932e82512e2f4dd3db90afa0b7004d736b4b7fe7672

    • SHA512

      4caf88720b3d2306e2e006ca9bbc12373d9b088c09218c642feaf142023265fa9bbf0b057e86225adb8799b35d3070d9560709b198c4fea182b6047d161435ec

    • SSDEEP

      12288:HC8+l4wxUipjq5+Mou292BPMusotX6rwzW6XVFJ04qp4OsYOhg59AoWmO:Kq292BPTf0npPv4mO

    Score
    10/10
    darkcometslavepersistencerattrojanupx

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Executes dropped EXE

    • Loads dropped DLL

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx

    • Uses the VBS compiler for execution

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scripting

1
T1064

Persistence

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Defense Evasion

Modify Registry

2
T1112

Scripting

1
T1064

Credential Access

Discovery

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks