Analysis

  • max time kernel
    153s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-12-2024 15:16

General

  • Target

    JaffaCakes118_35affe386ca79566bf4e2c65f0fcf079098b2d33fb02b9b813ef6f0b76dfb1fb.exe

  • Size

    796.5MB

  • MD5

    2ac6eaba36f976a9bbb20e754e6d48c9

  • SHA1

    a30c4ac48c0d7c1dc3079755dc0ad9bc2250e073

  • SHA256

    35affe386ca79566bf4e2c65f0fcf079098b2d33fb02b9b813ef6f0b76dfb1fb

  • SHA512

    77351e3a8758a2a340d91ccf233c71da9d47da0ea05135e628ff2c84f8669c168ef4572f2338eb55fcd7673b1b2a8df57eb5f51019972e09d2c59b563a3765fe

  • 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
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 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 20 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_35affe386ca79566bf4e2c65f0fcf079098b2d33fb02b9b813ef6f0b76dfb1fb.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_35affe386ca79566bf4e2c65f0fcf079098b2d33fb02b9b813ef6f0b76dfb1fb.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4772
    • 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:4632
    • 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:4116
    • 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_35affe386ca79566bf4e2c65f0fcf079098b2d33fb02b9b813ef6f0b76dfb1fb.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:916
      • C:\Windows\SysWOW64\chcp.com
        chcp 65001
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1792
      • 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:2720

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/4116-11-0x0000000002390000-0x0000000002500000-memory.dmp

    Filesize

    1.4MB

  • memory/4116-13-0x000000000C210000-0x000000000C762000-memory.dmp

    Filesize

    5.3MB

  • memory/4116-14-0x000000000C210000-0x000000000C762000-memory.dmp

    Filesize

    5.3MB

  • memory/4116-15-0x000000000C180000-0x000000000C1FF000-memory.dmp

    Filesize

    508KB

  • memory/4116-35-0x0000000002390000-0x0000000002500000-memory.dmp

    Filesize

    1.4MB

  • memory/4116-37-0x000000000C210000-0x000000000C762000-memory.dmp

    Filesize

    5.3MB

  • memory/4772-0-0x0000000002530000-0x00000000026A0000-memory.dmp

    Filesize

    1.4MB

  • memory/4772-7-0x0000000002530000-0x00000000026A0000-memory.dmp

    Filesize

    1.4MB

  • memory/4772-12-0x0000000002530000-0x00000000026A0000-memory.dmp

    Filesize

    1.4MB