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Analysis

  • max time kernel
    146s
  • max time network
    154s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    12/09/2024, 19:01

General

  • Target

    dcdd1f5ef6db6fce55ddef5949eca403_JaffaCakes118.exe

  • Size

    124KB

  • MD5

    dcdd1f5ef6db6fce55ddef5949eca403

  • SHA1

    7ec48483ac912b1b58923d7412ed53985962c301

  • SHA256

    eb8ddb4030665a4bee35306bb1a44d2faeb6e44c451d6ab4c7a39d105e396679

  • SHA512

    e53ef1a7711fda1945a6d59036fa52454722fa68bde9c6ae0f79ca341e715b3adc1fada67d352f1c8c7ce6c553d2e613fd9f32e4c4584a0254b9a5c45adb3c37

  • SSDEEP

    3072:lFNUcekHxRkuHxSWMDUajQJf/p/itxBCBpEzImXnr+vHI+zIcdQr12u1p:lHUcLxRkuRSWMDUaGf/p/sxWpEzImXqI

Malware Config

Extracted

Family

remcos

Version

2.0.5 Pro

Botnet

persomacro

C2

lenovoscanner.duckdns.org:2607

lenovoscannerone.duckdns.org:2607

lenovoscannertwo.duckdns.org:2607

Attributes
  • audio_folder

    audio

  • audio_path

    %AppData%

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    5

  • copy_file

    UjgRsaW.exe

  • copy_folder

    jFhktyE

  • delete_file

    false

  • hide_file

    true

  • hide_keylog_file

    false

  • install_flag

    true

  • install_path

    %Temp%

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    poger

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    col12345-M4OQGH

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    InstallDiret

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Signatures

  • Remcos

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

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

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

  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\dcdd1f5ef6db6fce55ddef5949eca403_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\dcdd1f5ef6db6fce55ddef5949eca403_JaffaCakes118.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2992
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\install.vbs"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2612
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\jFhktyE\UjgRsaW.exe"
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2924
        • C:\Users\Admin\AppData\Local\Temp\jFhktyE\UjgRsaW.exe
          C:\Users\Admin\AppData\Local\Temp\jFhktyE\UjgRsaW.exe
          4⤵
          • Identifies VirtualBox via ACPI registry values (likely anti-VM)
          • Executes dropped EXE
          • Adds Run key to start application
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          PID:2104

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\install.vbs

    Filesize

    428B

    MD5

    a1ee86fa851b7335c433024f2943b9c2

    SHA1

    b6c60141b61e3cb1466a7740b5209a809fe1d785

    SHA256

    3523293ab79009cf895b6549e1414c2d4f64c46eb3629c454c63e3e97e50eca0

    SHA512

    7972ea2a5293e681c75b23d6e2f17fe76ce01ca5d113b234c2f1aa654975f54d2ac1a78ec9a38876fecef7a5293261c556bbfd2e5e6135fa06eccad7ecae9822

  • C:\Users\Admin\AppData\Roaming\poger\logs.dat

    Filesize

    79B

    MD5

    4593c17c126c5394ac6a6ac0b3f9bb5c

    SHA1

    6ec8766e7da2b4d9a6deff465e5b54f6d16ecea2

    SHA256

    e164ac1088301f74105ba102f533b03657b83c7c2cd1a96b01cd277f9965af20

    SHA512

    9a7a402ba8286f5c6aafaad607638e49ec85003dcff9e7ddb59a2280863a8251d226fb052996f14b7aa73769e4a52b21b2b1f9d0756d83a6e42db77725a0b163

  • \Users\Admin\AppData\Local\Temp\jFhktyE\UjgRsaW.exe

    Filesize

    124KB

    MD5

    dcdd1f5ef6db6fce55ddef5949eca403

    SHA1

    7ec48483ac912b1b58923d7412ed53985962c301

    SHA256

    eb8ddb4030665a4bee35306bb1a44d2faeb6e44c451d6ab4c7a39d105e396679

    SHA512

    e53ef1a7711fda1945a6d59036fa52454722fa68bde9c6ae0f79ca341e715b3adc1fada67d352f1c8c7ce6c553d2e613fd9f32e4c4584a0254b9a5c45adb3c37