Overview

overview

10

Static

static

10

3abb3ace2d...bf.exe

windows7_x64

10

3abb3ace2d...bf.exe

windows10_x64

10

Analysis

  • max time kernel
    18s
  • max time network
    127s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    07-09-2021 06:10

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General

  • Target

    3abb3ace2dabfe5cc6096267caf3e7beca2c13bf5a04cffdf73b994e6ad8bfbf.exe

  • Size

    658KB

  • MD5

    76cad9bbdd330af3f4eadc2f5fbebad4

  • SHA1

    dd63d275ae67e21643be6a9a1e20a4fb94967755

  • SHA256

    3abb3ace2dabfe5cc6096267caf3e7beca2c13bf5a04cffdf73b994e6ad8bfbf

  • SHA512

    7a1252ffc0063b57d7a4f0d8787c907a980c3ad5b45b5962e98348b8a4fee05f013ba38431c0699b63a153cc1dede8b135ba64eacd7c2bb3d0be1a11d2e59ffe

Score
10/10
darkcometguest16_minpersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16_min

C2

babeaktif.duckdns.org:1604

Mutex

DCMIN_MUTEX-2AQCX5B

Attributes
  • InstallPath

    DCSCMIN\IMDCSC.exe

  • gencode

    FB7WgalR9f11

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    DarkComet RAT

Signatures

  • Darkcomet

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

    trojanratdarkcomet
  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
    persistence
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious use of AdjustPrivilegeToken 48 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3abb3ace2dabfe5cc6096267caf3e7beca2c13bf5a04cffdf73b994e6ad8bfbf.exe
    "C:\Users\Admin\AppData\Local\Temp\3abb3ace2dabfe5cc6096267caf3e7beca2c13bf5a04cffdf73b994e6ad8bfbf.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:664
    • C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe
      "C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:3788

Network

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

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe
    MD5

    76cad9bbdd330af3f4eadc2f5fbebad4

    SHA1

    dd63d275ae67e21643be6a9a1e20a4fb94967755

    SHA256

    3abb3ace2dabfe5cc6096267caf3e7beca2c13bf5a04cffdf73b994e6ad8bfbf

    SHA512

    7a1252ffc0063b57d7a4f0d8787c907a980c3ad5b45b5962e98348b8a4fee05f013ba38431c0699b63a153cc1dede8b135ba64eacd7c2bb3d0be1a11d2e59ffe

    Download Submit
  • C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe
    MD5

    76cad9bbdd330af3f4eadc2f5fbebad4

    SHA1

    dd63d275ae67e21643be6a9a1e20a4fb94967755

    SHA256

    3abb3ace2dabfe5cc6096267caf3e7beca2c13bf5a04cffdf73b994e6ad8bfbf

    SHA512

    7a1252ffc0063b57d7a4f0d8787c907a980c3ad5b45b5962e98348b8a4fee05f013ba38431c0699b63a153cc1dede8b135ba64eacd7c2bb3d0be1a11d2e59ffe

    Download Submit
  • memory/664-114-0x0000000002440000-0x0000000002441000-memory.dmp
    Filesize

    4KB

    Download
  • memory/3788-115-0x0000000000000000-mapping.dmp
    Download
  • memory/3788-118-0x0000000000550000-0x00000000005FE000-memory.dmp
    Filesize

    696KB

    Download