General

  • Target

    b89219f349b4d70a5a2388c390fcff2aff6267dfec60887dafbcaf948ff96a56.exe

  • Size

    1.0MB

  • Sample

    250213-g4b5astphn

  • MD5

    3b38911c23c2a02b9b841c5433c7ec8b

  • SHA1

    50178bd43f376142642b89627744db05e48d7d64

  • SHA256

    b89219f349b4d70a5a2388c390fcff2aff6267dfec60887dafbcaf948ff96a56

  • SHA512

    dae4c0911dda84f6fdde60caa2d48e18ffd4efd030ba5c41c8fed850911c29aba02d9d5d33119af2c0442a34f55e3d832e60749079ded063dde1ce2b44b6e5c1

  • SSDEEP

    24576:raC1DfgFhABaTWJMEcP7+jWOBOBGwEpNn2rs7wsRGhED:OCFtMXPSjWO+S2rwwsXD

Malware Config

Extracted

Family

remcos

Botnet

FEB 07

C2

fidelity123.zapto.org:9373

103.186.117.61:9373

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

    false

  • install_flag

    false

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-5GYIF0

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    Remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Extracted

Family

latentbot

C2

fidelity123.zapto.org

Targets

    • Target

      b89219f349b4d70a5a2388c390fcff2aff6267dfec60887dafbcaf948ff96a56.exe

    • Size

      1.0MB

    • MD5

      3b38911c23c2a02b9b841c5433c7ec8b

    • SHA1

      50178bd43f376142642b89627744db05e48d7d64

    • SHA256

      b89219f349b4d70a5a2388c390fcff2aff6267dfec60887dafbcaf948ff96a56

    • SHA512

      dae4c0911dda84f6fdde60caa2d48e18ffd4efd030ba5c41c8fed850911c29aba02d9d5d33119af2c0442a34f55e3d832e60749079ded063dde1ce2b44b6e5c1

    • SSDEEP

      24576:raC1DfgFhABaTWJMEcP7+jWOBOBGwEpNn2rs7wsRGhED:OCFtMXPSjWO+S2rwwsXD

    • LatentBot

      Modular trojan written in Delphi which has been in-the-wild since 2013.

    • Latentbot family

    • Remcos

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

    • Remcos family

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks