Overview

overview

10

Static

static

10

bebe.exe

windows10-2004-x64

10

bebe.exe

windows10-ltsc 2021-x64

10

Sharing

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General

  • Target

    bebe.exe

  • Size

    673KB

  • Sample

    241214-y4mpgavlgm

  • MD5

    c54bab8eb46885b47508cfbfde84d078

  • SHA1

    120c346c4e73ebced892acecb4221614ebb8dd33

  • SHA256

    f19cedc8f5dd2c0a5d788a55f2232c8e26b32067fe113762688d83aff4ce99f6

  • SHA512

    ef2bfffca1582fc968620af5356339f3a053c58f9f677efcbb902aa3e4b50eb05c693326ac70e619451a3e819b82f5d42f684e374937b26f81db770ceaaa2a1e

  • SSDEEP

    12288:S9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hOvk:+Z1xuVVjfFoynPaVBUR8f+kN10EB8vk

Score
10/10
darkcometýndirendiscoveryevasionpersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

Ýndiren

C2

127.0.0.1:1604

Mutex

DC_MUTEX-V1NDW18

Attributes
  • InstallPath

    Windows gezgini\explorer.exe

  • gencode

    0uLqlTjXDDg2

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    System

Targets

    • Target

      bebe.exe

    • Size

      673KB

    • MD5

      c54bab8eb46885b47508cfbfde84d078

    • SHA1

      120c346c4e73ebced892acecb4221614ebb8dd33

    • SHA256

      f19cedc8f5dd2c0a5d788a55f2232c8e26b32067fe113762688d83aff4ce99f6

    • SHA512

      ef2bfffca1582fc968620af5356339f3a053c58f9f677efcbb902aa3e4b50eb05c693326ac70e619451a3e819b82f5d42f684e374937b26f81db770ceaaa2a1e

    • SSDEEP

      12288:S9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hOvk:+Z1xuVVjfFoynPaVBUR8f+kN10EB8vk

    Score
    10/10
    darkcometýndirendiscoveryevasionpersistencerattrojan

    • Darkcomet

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

      trojanratdarkcomet

    • Darkcomet family

      darkcomet

    • Modifies WinLogon for persistence

      persistence

    • Modifies firewall policy service

      evasion

    • Modifies security service

      evasion

    • Windows security bypass

      evasiontrojan

    • Disables RegEdit via registry modification

      evasion

    • Disables Task Manager via registry modification

      evasion

    • 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.

    • Executes dropped EXE

    • Windows security modification

      evasiontrojan

    • Adds Run key to start application

      persistence

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Defense Evasion

Hide Artifacts

2
T1564

Hidden Files and Directories

2
T1564.001

Impair Defenses

3
T1562

Disable or Modify System Firewall

1
T1562.004

Disable or Modify Tools

2
T1562.001

Modify Registry

7
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks