Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    06-04-2024 14:34

General

  • Target

    e2c06a71d3e93dbad9029c875221aa9d_JaffaCakes118.exe

  • Size

    1019KB

  • MD5

    e2c06a71d3e93dbad9029c875221aa9d

  • SHA1

    213ce5c3cea5a223aeb9f19d7db7141f48f90de1

  • SHA256

    d660500c553676fcad1d6b2847022578ed20676190b5ed5687cd15d19e98e862

  • SHA512

    4333b58780aa7aa0a9e70f2fdc531415c2953381fd6d4b7b2f40027732a596ebcf06277fa99516123da994642625527583384548babb20c4aa770a2ef3d4b138

  • SSDEEP

    12288:xKHEJbjJEKIjtjgLw8WDQUEzwak0TMQfTODQfy7vitaArjZnqq2TS/PcoiJCq4ya:mj6s5DYUtQfTnfDsMTZat4yPS

Score
10/10

Malware Config

Extracted

Family

remcos

Version

3.2.0 Pro

Botnet

RemoteHost

C2

45.137.22.101:5888

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-N9SJBV

  • 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;

Signatures

  • Remcos

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

  • Uses the VBS compiler for execution 1 TTPs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e2c06a71d3e93dbad9029c875221aa9d_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\e2c06a71d3e93dbad9029c875221aa9d_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2388
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\XzZiyvVk" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB635.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2652
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
      2⤵
        PID:2588

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmpB635.tmp

      Filesize

      1KB

      MD5

      b340f5278e7efde79f1681e0843f4ea3

      SHA1

      d324130888f17c99e3d39b82cd3d0599d48801e1

      SHA256

      8a8a97f94b4ceb11a3a84053d7c6bd1878d794f08102372843eebb3584e89227

      SHA512

      190f352b68d8330bce5ce38d349c60a134ff8a7ab5231afc95f0ae317f99e4aa701c025a0c9e184e15a07fd816a23611521a159ac666ea08c3e07c6a54fc417b

    • memory/2388-0-0x0000000001130000-0x0000000001236000-memory.dmp

      Filesize

      1.0MB

    • memory/2388-1-0x0000000074520000-0x0000000074C0E000-memory.dmp

      Filesize

      6.9MB

    • memory/2388-2-0x00000000004D0000-0x0000000000510000-memory.dmp

      Filesize

      256KB

    • memory/2388-3-0x0000000000480000-0x0000000000498000-memory.dmp

      Filesize

      96KB

    • memory/2388-4-0x0000000074520000-0x0000000074C0E000-memory.dmp

      Filesize

      6.9MB

    • memory/2388-5-0x00000000004D0000-0x0000000000510000-memory.dmp

      Filesize

      256KB

    • memory/2388-6-0x0000000005970000-0x0000000005A3E000-memory.dmp

      Filesize

      824KB

    • memory/2388-7-0x0000000004910000-0x0000000004988000-memory.dmp

      Filesize

      480KB

    • memory/2388-27-0x0000000074520000-0x0000000074C0E000-memory.dmp

      Filesize

      6.9MB

    • memory/2588-15-0x0000000000400000-0x0000000000479000-memory.dmp

      Filesize

      484KB

    • memory/2588-17-0x0000000000400000-0x0000000000479000-memory.dmp

      Filesize

      484KB

    • memory/2588-18-0x0000000000400000-0x0000000000479000-memory.dmp

      Filesize

      484KB

    • memory/2588-19-0x0000000000400000-0x0000000000479000-memory.dmp

      Filesize

      484KB

    • memory/2588-20-0x0000000000400000-0x0000000000479000-memory.dmp

      Filesize

      484KB

    • memory/2588-21-0x0000000000400000-0x0000000000479000-memory.dmp

      Filesize

      484KB

    • memory/2588-22-0x0000000000400000-0x0000000000479000-memory.dmp

      Filesize

      484KB

    • memory/2588-23-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

      Filesize

      4KB

    • memory/2588-24-0x0000000000400000-0x0000000000479000-memory.dmp

      Filesize

      484KB

    • memory/2588-13-0x0000000000400000-0x0000000000479000-memory.dmp

      Filesize

      484KB

    • memory/2588-26-0x0000000000400000-0x0000000000479000-memory.dmp

      Filesize

      484KB

    • memory/2588-28-0x0000000000400000-0x0000000000479000-memory.dmp

      Filesize

      484KB

    • memory/2588-29-0x0000000000400000-0x0000000000479000-memory.dmp

      Filesize

      484KB