General

  • Target

    a34cb7528e3a832e088452e887f7c420699d43c928172bdf7fb344b96ff2e81d.exe

  • Size

    1.1MB

  • Sample

    240508-rb4nysga9v

  • MD5

    6396cf12253c6f9a3ce1607be6df95ca

  • SHA1

    a9525c26f5010f1c149403ab83944a575bfb45b5

  • SHA256

    a34cb7528e3a832e088452e887f7c420699d43c928172bdf7fb344b96ff2e81d

  • SHA512

    8c3126ce810f49307dd09b0062c56844a98b7b900fbdf2f7b6f74db9b6a5647f3d3330c3fb7b1664272f485f5d2a2818060b299b0958d9c62ecf0912f9c7276d

  • SSDEEP

    24576:XJDCuMUyddMSoLPAWO0+7y9ZlhuQ19EW9du+NnwEDjTSI44+s4:VCey/oLPa0HAQ1b9du+Nn2I6s4

Malware Config

Extracted

Family

remcos

Botnet

AJANKO

C2

ajanko.duckdns.org:1970

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-Z9ICSO

  • 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

      a34cb7528e3a832e088452e887f7c420699d43c928172bdf7fb344b96ff2e81d.exe

    • Size

      1.1MB

    • MD5

      6396cf12253c6f9a3ce1607be6df95ca

    • SHA1

      a9525c26f5010f1c149403ab83944a575bfb45b5

    • SHA256

      a34cb7528e3a832e088452e887f7c420699d43c928172bdf7fb344b96ff2e81d

    • SHA512

      8c3126ce810f49307dd09b0062c56844a98b7b900fbdf2f7b6f74db9b6a5647f3d3330c3fb7b1664272f485f5d2a2818060b299b0958d9c62ecf0912f9c7276d

    • SSDEEP

      24576:XJDCuMUyddMSoLPAWO0+7y9ZlhuQ19EW9du+NnwEDjTSI44+s4:VCey/oLPa0HAQ1b9du+Nn2I6s4

    • Remcos

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

    • UAC bypass

    • Windows security bypass

    • Command and Scripting Interpreter: PowerShell

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

    • Checks computer location settings

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

    • Executes dropped EXE

    • Windows security modification

    • Adds Run key to start application

    • Checks whether UAC is enabled

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks