General

  • Target

    7dd51a31f3cdd9713c2fd7fba05b61e83a2c5f3e9179c72bf419ae1a4a24f933.exe

  • Size

    720KB

  • Sample

    241031-c2wnpsyqen

  • MD5

    00856763f766f72595d02d08c29dd3dd

  • SHA1

    616bb8bac3280f929b41f490ff0cd41e863846b0

  • SHA256

    7dd51a31f3cdd9713c2fd7fba05b61e83a2c5f3e9179c72bf419ae1a4a24f933

  • SHA512

    893d4c1e82867e918a9c497d63dbdd13b3817262e065c0160451eb36b2776e71fffa882071af73b08ff04100d597d95c6ba7baf5c225ac76352dea8fda8b9401

  • SSDEEP

    12288:O9GWk2UTHM19w1M20P58sgwxzoLHtB7Y59jFkmDHThxL5DfJb:O9Gn2UTHMUM2psgFLANFHDzhxLX

Malware Config

Extracted

Family

remcos

Botnet

OCTOBER

C2

windowxpjoke.duckdns.org:24044

84.38.132.104:1985

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    explorre

  • copy_folder

    explorre

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    false

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-OAEVAI

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      7dd51a31f3cdd9713c2fd7fba05b61e83a2c5f3e9179c72bf419ae1a4a24f933.exe

    • Size

      720KB

    • MD5

      00856763f766f72595d02d08c29dd3dd

    • SHA1

      616bb8bac3280f929b41f490ff0cd41e863846b0

    • SHA256

      7dd51a31f3cdd9713c2fd7fba05b61e83a2c5f3e9179c72bf419ae1a4a24f933

    • SHA512

      893d4c1e82867e918a9c497d63dbdd13b3817262e065c0160451eb36b2776e71fffa882071af73b08ff04100d597d95c6ba7baf5c225ac76352dea8fda8b9401

    • SSDEEP

      12288:O9GWk2UTHM19w1M20P58sgwxzoLHtB7Y59jFkmDHThxL5DfJb:O9Gn2UTHMUM2psgFLANFHDzhxLX

    • Remcos

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

    • Remcos family

    • Detected Nirsoft tools

      Free utilities often used by attackers which can steal passwords, product keys, etc.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Blocklisted process makes network request

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    • Target

      Bilist/Blyants.Den

    • Size

      51KB

    • MD5

      f33c58ea75c086600c12aabd70fe5ed3

    • SHA1

      4901a7a2708a0cdc628899801896cdd54e5d83e2

    • SHA256

      74ccc7d9f777f47ae3fc9bac599d05d6bb7af85228aea4834e36329297b5765b

    • SHA512

      52f45268ff703c6178a78662a38f765cdc4dcd57f962e574b42b6852522835fb22b534c0f1764b78807f0ec806ceef0b4c57964ffd9f566f0c16bffaa1830eb0

    • SSDEEP

      768:BFT6VjXLo/zpwczhgCOaUReDBW6aQwsihuZkZC6T3dpAAq8M:nGLobu6hXJUC95wsUS96TzAAqZ

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

MITRE ATT&CK Enterprise v15

Tasks