Analysis

  • max time kernel
    150s
  • max time network
    155s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    25-12-2024 06:23

General

  • Target

    JaffaCakes118_e6d5495df143ab691fe58e9e05453c1bf8342ace37e4a7dd1a550d7afe640fd0.exe

  • Size

    801.5MB

  • MD5

    2b9277603e1db2622f9e3271d01d0caf

  • SHA1

    00106fabb9c8ab767821b32b6346ffffef485aaf

  • SHA256

    e6d5495df143ab691fe58e9e05453c1bf8342ace37e4a7dd1a550d7afe640fd0

  • SHA512

    cc4d093538773cffea41cabf85df5a4589331fc2bf478ef96faeb1f74e35db0b95d847ac9413ff19f08e31fcc7d4c81351bd611e52792bb10cfe798c1553bf0f

  • SSDEEP

    24576:/pBtKkpXwKPHp0EVWnqMKMklXZ8N7Y5jQoLOnrq/aCVXcA:9TdvMKMklXSN7YDOrqyCVXv

Malware Config

Extracted

Family

remcos

Botnet

thorami-v5

C2

rlbotz.duckdns.org:2404

80.76.51.46:2404

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    update.exe

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    true

  • install_flag

    false

  • install_path

    %AppData%

  • keylog_crypt

    false

  • keylog_file

    furog.dat

  • keylog_flag

    false

  • mouse_option

    false

  • mutex

    Rvhugures-AM08A0

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    nupdat

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Signatures

  • Remcos

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

  • Remcos family
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Runs ping.exe 1 TTPs 1 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e6d5495df143ab691fe58e9e05453c1bf8342ace37e4a7dd1a550d7afe640fd0.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e6d5495df143ab691fe58e9e05453c1bf8342ace37e4a7dd1a550d7afe640fd0.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2616
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\system32\schtasks.exe" /create /tn COMSurrogate /f /sc onlogon /rl highest /tr "C:\Users\Admin\Nosix kem pepij\fon gehewico.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2720
    • C:\Users\Admin\Nosix kem pepij\fon gehewico.exe
      "C:\Users\Admin\Nosix kem pepij\fon gehewico.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:2640
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c chcp 65001 && ping 127.0.0.1 && DEL /F /S /Q /A "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e6d5495df143ab691fe58e9e05453c1bf8342ace37e4a7dd1a550d7afe640fd0.exe"
      2⤵
      • Deletes itself
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:2700
      • C:\Windows\SysWOW64\chcp.com
        chcp 65001
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1296
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:3048

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2616-0-0x0000000001F40000-0x00000000020B0000-memory.dmp

    Filesize

    1.4MB

  • memory/2616-9-0x0000000001F40000-0x00000000020B0000-memory.dmp

    Filesize

    1.4MB

  • memory/2640-8-0x0000000001F50000-0x00000000020C0000-memory.dmp

    Filesize

    1.4MB

  • memory/2640-10-0x000000000ADF0000-0x000000000B342000-memory.dmp

    Filesize

    5.3MB

  • memory/2640-12-0x000000000AD60000-0x000000000ADDF000-memory.dmp

    Filesize

    508KB

  • memory/2640-35-0x0000000001F50000-0x00000000020C0000-memory.dmp

    Filesize

    1.4MB