Overview

overview

10

Static

static

c756c74315...3f.exe

windows7_x64

10

c756c74315...3f.exe

windows10_x64

10

Sharing

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General

  • Target

    c756c7431558b4848bbd865af6aba43f

  • Size

    3.8MB

  • Sample

    201026-kvwvjgy7le

  • MD5

    c756c7431558b4848bbd865af6aba43f

  • SHA1

    e34592243c9a070c91bc4735ca9d9cc67066a40f

  • SHA256

    2f8a1772bb051c6b730649fcbe00a51b20b0e4d6f71bd28e06d5d2cffd3e1621

  • SHA512

    37ae8613a774708148c9fb5e59466f0fc361807dfde7c5ef9a892d4adc7e6648b6c8425bcfa40df98fea8d9846ddbf452504c14e12e320bf08af540b1a28e897

Score
10/10
asyncratdarkcomet2020okt999+2020okt999+++4evasionpersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

2020okt999+

C2

sandyclark255.hopto.org:1605

Mutex

DC_MUTEX-11WPGQ5

Attributes
  • InstallPath

    winzipl.exe

  • gencode

    YGhUoUZB2403

  • install

    true

  • offline_keylogger

    true

  • password

    hhhhhh

  • persistence

    true

  • reg_key

    wzip

Extracted

Family

darkcomet

Botnet

2020okt999+++4

C2

sandyclark255.hopto.org:1605

Mutex

DC_MUTEX-D50H81E

Attributes
  • InstallPath

    word64l.exe

  • gencode

    0zgSCfjSH24W

  • install

    true

  • offline_keylogger

    true

  • password

    hhhhhh

  • persistence

    true

  • reg_key

    winworde

Extracted

Family

asyncrat

Version

0.5.6A

C2

sandyclark255.hopto.org:6606

sandyclark255.hopto.org:8808

sandyclark255.hopto.org:7707
Mutex

adeweqwsds33

Attributes
  • aes_key

    VhvRfPRGj3DXYrQBZXEtiFBwxpOo0frl

  • anti_detection

    false

  • autorun

    true

  • bdos

    false

  • delay

  • host

    sandyclark255.hopto.org

  • hwid

  • install_file

  • install_folder

    %Temp%

  • mutex

    adeweqwsds33

  • pastebin_config

    null

  • port

    6606,8808,7707

  • version

    0.5.6A

aes.plain

Targets

    • Target

      c756c7431558b4848bbd865af6aba43f

    • Size

      3.8MB

    • MD5

      c756c7431558b4848bbd865af6aba43f

    • SHA1

      e34592243c9a070c91bc4735ca9d9cc67066a40f

    • SHA256

      2f8a1772bb051c6b730649fcbe00a51b20b0e4d6f71bd28e06d5d2cffd3e1621

    • SHA512

      37ae8613a774708148c9fb5e59466f0fc361807dfde7c5ef9a892d4adc7e6648b6c8425bcfa40df98fea8d9846ddbf452504c14e12e320bf08af540b1a28e897

    Score
    10/10
    asyncratdarkcomet2020okt999+2020okt999+++4evasionpersistencerattrojan

    • AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers.

      ratasyncrat

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Async RAT payload

      rat

    • Disables RegEdit via registry modification

      evasion

    • Disables Task Manager via registry modification

      evasion

    • Drops file in Drivers directory

    • Executes dropped EXE

    • Modifies Windows Firewall

      evasion

    • Drops startup file

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Drops desktop.ini file(s)

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1
T1053

Persistence

Winlogon Helper DLL

1
T1004

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

2
T1112

Credential Access

Discovery

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks