Overview

overview

10

Static

static

10

a388d70926...9e.exe

windows7-x64

10

a388d70926...9e.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    a388d70926f91a010bdbaac36a277e8c4aed820d7d223e11bf387352b3b77e9e

  • Size

    690KB

  • Sample

    221119-leyn8ahh6y

  • MD5

    527532ba8c387b294cd05e3e4a579dc6

  • SHA1

    e829080f98b7f7b94c25d7f08b6e56ca349904c5

  • SHA256

    a388d70926f91a010bdbaac36a277e8c4aed820d7d223e11bf387352b3b77e9e

  • SHA512

    44565f37619ff4b642204e31ac11fda8587e7bff6b21e14ded0068aee53febfef824ffe6ba64dbd828502d799f665f1ac53181aacc415a4e3b3546c7f30b0b6b

  • SSDEEP

    12288:Z9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hJy:jZ1xuVVjfFoynPaVBUR8f+kN10EB+

Score
10/10
darkcometbotevasionpersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

Bot

C2

dms17.no-ip.org:1604

127.0.0.1:1604
Mutex

DC_MUTEX-DGLFPKJ

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    UPrqceYJUHhe

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Targets

    • Target

      a388d70926f91a010bdbaac36a277e8c4aed820d7d223e11bf387352b3b77e9e

    • Size

      690KB

    • MD5

      527532ba8c387b294cd05e3e4a579dc6

    • SHA1

      e829080f98b7f7b94c25d7f08b6e56ca349904c5

    • SHA256

      a388d70926f91a010bdbaac36a277e8c4aed820d7d223e11bf387352b3b77e9e

    • SHA512

      44565f37619ff4b642204e31ac11fda8587e7bff6b21e14ded0068aee53febfef824ffe6ba64dbd828502d799f665f1ac53181aacc415a4e3b3546c7f30b0b6b

    • SSDEEP

      12288:Z9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hJy:jZ1xuVVjfFoynPaVBUR8f+kN10EB+

    Score
    10/10
    darkcometbotevasionpersistencerattrojan

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Executes dropped EXE

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

      evasion

    • 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

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1
T1004

Hidden Files and Directories

2
T1158

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

2
T1112

Hidden Files and Directories

2
T1158

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks