General

  • Target

    9ce9b8793d75a23f6ba6ee34f7a82f60e67341834f79bb73ea24e24e905dd468.vbs

  • Size

    156KB

  • Sample

    240517-b7asrabf4s

  • MD5

    92fb04e0f8028a0889c35bf998aad436

  • SHA1

    1b629e0a8bec9d33c38ca47f043df6f3a3a1cc9d

  • SHA256

    9ce9b8793d75a23f6ba6ee34f7a82f60e67341834f79bb73ea24e24e905dd468

  • SHA512

    8a348f5eb6a48c0773ca00a8186ec1b088caa6cc0c9b1b6f58d82e3837856c4ba2c6b491557b603c858f05deb579a84405f34ff5bfb1654f0bab73adf1dd9a44

  • SSDEEP

    1536:ViS+Od99CObilCocEW1aJK66n5yhtW0/5JpWn4cRx9qSZg0BFbUZlu9gISsRkf:VPdw9JK6X/vcjg0BFcB

Malware Config

Extracted

Family

remcos

Botnet

Protected

C2

janbours92harbu01.duckdns.org:3980

janbours92harbu01.duckdns.org:3981

janbours92harbu02.duckdns.org:3980

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    remcos.exe

  • copy_folder

    Remcos

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    true

  • install_flag

    false

  • keylog_crypt

    false

  • keylog_file

    kajsoiestc.dat

  • keylog_flag

    false

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    aksoiestgb-1YOAXH

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      9ce9b8793d75a23f6ba6ee34f7a82f60e67341834f79bb73ea24e24e905dd468.vbs

    • Size

      156KB

    • MD5

      92fb04e0f8028a0889c35bf998aad436

    • SHA1

      1b629e0a8bec9d33c38ca47f043df6f3a3a1cc9d

    • SHA256

      9ce9b8793d75a23f6ba6ee34f7a82f60e67341834f79bb73ea24e24e905dd468

    • SHA512

      8a348f5eb6a48c0773ca00a8186ec1b088caa6cc0c9b1b6f58d82e3837856c4ba2c6b491557b603c858f05deb579a84405f34ff5bfb1654f0bab73adf1dd9a44

    • SSDEEP

      1536:ViS+Od99CObilCocEW1aJK66n5yhtW0/5JpWn4cRx9qSZg0BFbUZlu9gISsRkf:VPdw9JK6X/vcjg0BFcB

    • Remcos

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

    • Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)

    • Detects executables built or packed with MPress PE compressor

    • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers

    • Detects executables referencing many email and collaboration clients. Observed in information stealers

    • NirSoft MailPassView

      Password recovery tool for various email clients

    • NirSoft WebBrowserPassView

      Password recovery tool for various web browsers

    • Nirsoft

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Checks computer location settings

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

    • Accesses Microsoft Outlook accounts

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks