Overview

overview

10

Static

static

3

JaffaCakes...17.exe

windows7-x64

10

JaffaCakes...17.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    JaffaCakes118_a0747b376c17728fe2731e9e98d1b017

  • Size

    1.3MB

  • Sample

    250108-p49pkasrbn

  • MD5

    a0747b376c17728fe2731e9e98d1b017

  • SHA1

    7917d0e5d6adfb0690455afdafbe81db00cfc41b

  • SHA256

    870130235c0034bb2649c4268bfc3ff87de0fe2cf13d0af41ce0c0f397e5ea50

  • SHA512

    58b934b044ce00910e8abf5c12b1bd25aeb9e5cd458740967e5d538ea13f0cb871595658e13da2acbf2dc3e3d94848ccd79cf64dca74b25d9a8c0d4337318585

  • SSDEEP

    24576:rAOcZEhGZJLnKjCT+8RrtqrpUu8sR0coTvAiHca6TPY5I7nT1RMwa+NI:tMZU/SrtqrpccOv/HP6c5IzTXM7+NI

Score
10/10
remcosoctober-$$$$discoverypersistencerat

Malware Config

Extracted

Family

remcos

Version

3.3.0 Pro

Botnet

OCTOBER-$$$$

C2

mgc0147.hopto.org:2930

Attributes
  • audio_folder

    MicRecords

  • audio_path

    %AppData%

  • 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

  • install_path

    %AppData%

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    Remcos-3MPDYA

  • 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

  • take_screenshot_title

    notepad;solitaire;

Extracted

Family

remcos

Botnet

OCTOBER-$$$$

C2

mgc0147.hopto.org:2930

Attributes
  • audio_folder

    MicRecords

  • audio_path

    %AppData%

  • 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

  • install_path

    %AppData%

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    Remcos-3MPDYA

  • 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

  • take_screenshot_title

    notepad;solitaire;

Targets

    • Target

      JaffaCakes118_a0747b376c17728fe2731e9e98d1b017

    • Size

      1.3MB

    • MD5

      a0747b376c17728fe2731e9e98d1b017

    • SHA1

      7917d0e5d6adfb0690455afdafbe81db00cfc41b

    • SHA256

      870130235c0034bb2649c4268bfc3ff87de0fe2cf13d0af41ce0c0f397e5ea50

    • SHA512

      58b934b044ce00910e8abf5c12b1bd25aeb9e5cd458740967e5d538ea13f0cb871595658e13da2acbf2dc3e3d94848ccd79cf64dca74b25d9a8c0d4337318585

    • SSDEEP

      24576:rAOcZEhGZJLnKjCT+8RrtqrpUu8sR0coTvAiHca6TPY5I7nT1RMwa+NI:tMZU/SrtqrpccOv/HP6c5IzTXM7+NI

    Score
    10/10
    remcosoctober-$$$$discoverypersistencerat

    • Remcos

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

      ratremcos

    • Remcos family

      remcos

    • 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

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks