Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-07-2024 10:38

General

  • Target

    3d0807aa99589883f5dc7cb8fb6490d5_JaffaCakes118.exe

  • Size

    1.2MB

  • MD5

    3d0807aa99589883f5dc7cb8fb6490d5

  • SHA1

    40e1d6397069aa7a02d04878df48a75ae0031c1f

  • SHA256

    cda3c2f396a4e635e9b1021a9bce498172e893e38af0de9790b682d0ca925f63

  • SHA512

    fb332eb89421a6925b04565bf22919b0fe73549314dc9855b4119bcf22d594bdd4e4918f4aebdf252c89fb48c3a5e6678d59852b49d3904af67d8557dc01440c

  • SSDEEP

    24576:lmGohjnimx7shSysvR0RhZPpFYDHvGABsTn57Rv1bVpf/GH0gIq:av4yCRMH+JJRJ1M

Malware Config

Extracted

Family

remcos

Version

2.6.0 Pro

Botnet

�����

C2

37.252.11.23:7878

Attributes
  • audio_folder

    MicRecords

  • audio_path

    %AppData%

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    Windows.exe

  • copy_folder

    Temp

  • 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

    132123dsaasd-Q14G2Y

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    Defender

  • take_screenshot_option

    false

  • take_screenshot_time

    5

  • take_screenshot_title

    wikipedia;solitaire;

Signatures

  • Remcos

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

  • Blocklisted process makes network request 31 IoCs
  • Drops file in Windows directory 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3d0807aa99589883f5dc7cb8fb6490d5_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\3d0807aa99589883f5dc7cb8fb6490d5_JaffaCakes118.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4968
    • C:\Windows\SysWOW64\notepad.exe
      "C:\Windows\system32\notepad.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:3732
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe"
        3⤵
        • Blocklisted process makes network request
        • Drops file in Windows directory
        PID:4868

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/3732-2-0x0000000077D18000-0x0000000077D19000-memory.dmp

    Filesize

    4KB

  • memory/3732-3-0x00000000012A0000-0x00000000012A2000-memory.dmp

    Filesize

    8KB

  • memory/3732-8-0x0000000017660000-0x0000000018018000-memory.dmp

    Filesize

    9.7MB

  • memory/4868-10-0x0000000000400000-0x0000000000421000-memory.dmp

    Filesize

    132KB

  • memory/4868-15-0x00000000018E0000-0x00000000018E8000-memory.dmp

    Filesize

    32KB

  • memory/4868-16-0x0000000000400000-0x0000000000421000-memory.dmp

    Filesize

    132KB

  • memory/4968-0-0x0000000000CD0000-0x0000000000CD1000-memory.dmp

    Filesize

    4KB

  • memory/4968-1-0x0000000000D00000-0x0000000000D0B000-memory.dmp

    Filesize

    44KB

  • memory/4968-4-0x0000000000400000-0x0000000000547000-memory.dmp

    Filesize

    1.3MB

  • memory/4968-5-0x0000000000CD0000-0x0000000000CD1000-memory.dmp

    Filesize

    4KB

  • memory/4968-6-0x0000000000D00000-0x0000000000D0B000-memory.dmp

    Filesize

    44KB