Overview

overview

10

Static

static

3

21f2c75fb8...18.exe

windows7-x64

10

21f2c75fb8...18.exe

windows10-2004-x64

10

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General

  • Target

    21f2c75fb8d0d792c99fc526d658e52b_JaffaCakes118

  • Size

    131KB

  • Sample

    241008-rknn4atgre

  • MD5

    21f2c75fb8d0d792c99fc526d658e52b

  • SHA1

    09ca7cfe013050c1d4c78d5cf05f06a3d5e1cdaf

  • SHA256

    5aff1782a47c7a60e97ca86c1d44f988e557b679bbe874b1f8fefeccf60e9c6b

  • SHA512

    36e1129da3f94d0bccc56a1b32bd3082fd7949ac04c2f8763e30106384a40c6c1668b56af69fcb8a69f8c9deba78971532a70de57df7fc844042e861af8ca8f8

  • SSDEEP

    1536:ITHiPBX4nDzMyRXGHrc9YRHqbTypgpmb5Q+ZReSdhk/J+YLgD3mrxb53cSuYQjKX:xPd4n/M+WLcilrpgGH/GwY87mVmIXH

Score
10/10
remcoshostdiscoverypersistencerat

Malware Config

Extracted

Family

remcos

Version

1.7 Pro

Botnet

Host

C2

systemcontrol.ddns.net:45000

systemcontrol2.ddns.net:45000
Attributes
  • audio_folder

    audio

  • audio_path

    %AppData%

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    5

  • copy_file

    OfficeUpgrade.exe

  • copy_folder

    OfficeUpgrade

  • delete_file

    false

  • hide_file

    true

  • hide_keylog_file

    true

  • install_flag

    false

  • install_path

    %AppData%

  • keylog_crypt

    true

  • keylog_file

    Upgrader.dat

  • keylog_flag

    false

  • keylog_folder

    Upgrader

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    req_khauflaoyr

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screens

  • screenshot_path

    %AppData%

  • screenshot_time

    1

  • startup_value

    OfficeUpgrade

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      21f2c75fb8d0d792c99fc526d658e52b_JaffaCakes118

    • Size

      131KB

    • MD5

      21f2c75fb8d0d792c99fc526d658e52b

    • SHA1

      09ca7cfe013050c1d4c78d5cf05f06a3d5e1cdaf

    • SHA256

      5aff1782a47c7a60e97ca86c1d44f988e557b679bbe874b1f8fefeccf60e9c6b

    • SHA512

      36e1129da3f94d0bccc56a1b32bd3082fd7949ac04c2f8763e30106384a40c6c1668b56af69fcb8a69f8c9deba78971532a70de57df7fc844042e861af8ca8f8

    • SSDEEP

      1536:ITHiPBX4nDzMyRXGHrc9YRHqbTypgpmb5Q+ZReSdhk/J+YLgD3mrxb53cSuYQjKX:xPd4n/M+WLcilrpgGH/GwY87mVmIXH

    Score
    10/10
    remcoshostdiscoverypersistencerat

    • Remcos

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

      ratremcos

    • 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