General

  • Target

    0d2d25f45c008b22385ef8f7a21d9d51d0269c0f55802da3ef34c522f6ef7f51

  • Size

    760KB

  • Sample

    241011-jta6cstamc

  • MD5

    f87f3da7e4319dc7c9aa712ad633040e

  • SHA1

    a2a0029312e054f01a045b5af463b118779c8951

  • SHA256

    0d2d25f45c008b22385ef8f7a21d9d51d0269c0f55802da3ef34c522f6ef7f51

  • SHA512

    ecf179b368273c02ed5033cbd1fc122f95f235f27bf40c6d8dbfd606ad2439a13269de40e468da462c99b7b8141c990b4b3598fec365baee2ca2847319437918

  • SSDEEP

    12288:HjfLII7ciGmjKPVKu3wKD2NrfcKDd6LgQ58a8okHZcIh6odO7arRiDOUij:DL+l6KPV/w1rflDd6Ld5tiHroodwERi6

Malware Config

Extracted

Family

agenttesla

Credentials

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

C2

104.129.27.19:6606

104.129.27.19:7707

104.129.27.19:8808

Mutex

ppUf6LQ00ujy

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

aes.plain

Extracted

Family

remcos

Version

1.7 Pro

Botnet

Host

C2

104.129.27.19:2404

Attributes
  • audio_folder

    audio

  • audio_path

    %AppData%

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    5

  • copy_file

    remcos.exe

  • copy_folder

    remcos

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    false

  • install_path

    %WinDir%

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    remcos_lojuxaaqmwpnhvc

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screens

  • screenshot_path

    %AppData%

  • screenshot_time

    1

  • startup_value

    remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      0d2d25f45c008b22385ef8f7a21d9d51d0269c0f55802da3ef34c522f6ef7f51

    • Size

      760KB

    • MD5

      f87f3da7e4319dc7c9aa712ad633040e

    • SHA1

      a2a0029312e054f01a045b5af463b118779c8951

    • SHA256

      0d2d25f45c008b22385ef8f7a21d9d51d0269c0f55802da3ef34c522f6ef7f51

    • SHA512

      ecf179b368273c02ed5033cbd1fc122f95f235f27bf40c6d8dbfd606ad2439a13269de40e468da462c99b7b8141c990b4b3598fec365baee2ca2847319437918

    • SSDEEP

      12288:HjfLII7ciGmjKPVKu3wKD2NrfcKDd6LgQ58a8okHZcIh6odO7arRiDOUij:DL+l6KPV/w1rflDd6Ld5tiHroodwERi6

    • AgentTesla

      Agent Tesla is a remote access tool (RAT) written in visual basic.

    • AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers written in C#.

    • Remcos

      Remcos is a closed-source remote control and surveillance software.

    • Async RAT payload

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks