Overview

overview

10

Static

static

8

7f302af881...87.exe

windows7_x64

10

7f302af881...87.exe

windows10_x64

10

Sharing

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General

  • Target

    7f302af881787140a57111123ef02539b6453dbe7cd61df881cbec9ac443ec87

  • Size

    252KB

  • Sample

    201112-aqxjdypbjj

  • MD5

    f7e38e4a8a47b047e6f295aeb9f503cf

  • SHA1

    1ff67e17be21a81d92b56f9879f5c918e56a378c

  • SHA256

    7f302af881787140a57111123ef02539b6453dbe7cd61df881cbec9ac443ec87

  • SHA512

    122c36e8c0562cc41c66ac2d4551f792a065d42511ae058d4ed2a5a11f9d52f763c7bec8dc8485edcfc47157bd2ccd34c99dc60b47a6c36fc9857f7867ce78aa

Score
10/10
darkcometguest16persistencerattrojanupx

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

ximer2020.ddns.net:1604

Mutex

DC_MUTEX-4U0HFC0

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    aDFqoxfKfrcR

  • install

    true

  • offline_keylogger

    true

  • password

    82121020202222

  • persistence

    true

  • reg_key

    MicroUpdate

Targets

    • Target

      7f302af881787140a57111123ef02539b6453dbe7cd61df881cbec9ac443ec87

    • Size

      252KB

    • MD5

      f7e38e4a8a47b047e6f295aeb9f503cf

    • SHA1

      1ff67e17be21a81d92b56f9879f5c918e56a378c

    • SHA256

      7f302af881787140a57111123ef02539b6453dbe7cd61df881cbec9ac443ec87

    • SHA512

      122c36e8c0562cc41c66ac2d4551f792a065d42511ae058d4ed2a5a11f9d52f763c7bec8dc8485edcfc47157bd2ccd34c99dc60b47a6c36fc9857f7867ce78aa

    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.

    • Deletes itself

    • 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