Analysis

  • max time kernel
    146s
  • max time network
    138s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    28-01-2025 04:48

General

  • Target

    JaffaCakes118_4708ece1802d61ef3fdc620134b960e1.exe

  • Size

    25KB

  • MD5

    4708ece1802d61ef3fdc620134b960e1

  • SHA1

    1f8a84da1fc3cecc4d1ba2f951d92f6b62828f4b

  • SHA256

    3db790e11b94c8259a39623b0ab4a70dda8a8d67c14e69755213f107d976ada1

  • SHA512

    6e1344de6f728d9094c6b163534fda362745586e3b18bc339105796f26e5ae46db8e4967cfabcdb7aa7a6c9bd3611d1068c14071dbb5c9dc906e4960a319ea77

  • SSDEEP

    384:xLpj7eNmfp+UrM8j3Mk8mw2Qwz9cEVWNuOuuOYPq8P9iYwbzuvExgRW2r3p:xmmfpbM8j8wQwz9caAuxYyuJExrS

Malware Config

Extracted

Family

xtremerat

C2

momed.no-ip.info

Signatures

  • Detect XtremeRAT payload 4 IoCs
  • XtremeRAT

    The XtremeRAT was developed by xtremecoder and has been available since at least 2010, and written in Delphi.

  • Xtremerat family
  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 2 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

  • Deletes itself 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops file in System32 directory 3 IoCs
  • UPX packed file 4 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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 13 IoCs
  • Views/modifies file attributes 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4708ece1802d61ef3fdc620134b960e1.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4708ece1802d61ef3fdc620134b960e1.exe"
    1⤵
    • Boot or Logon Autostart Execution: Active Setup
    • Adds Run key to start application
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2428
    • C:\Windows\SysWOW64\svchost.exe
      svchost.exe
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:3036
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\SelfDelete.bat" "
      2⤵
      • Deletes itself
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2540
      • C:\Windows\SysWOW64\attrib.exe
        attrib -A -S -H "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4708ece1802d61ef3fdc620134b960e1.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        • Views/modifies file attributes
        PID:2964

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\SelfDelete.bat

    Filesize

    368B

    MD5

    eb201b4e6828711d882c20794aae62c7

    SHA1

    c62575d2b96cbc1fd6983acb1ce576502716cef8

    SHA256

    70572faffb027583cd8a3ea5a47f863806764e60d15213346b5fe635dac7ad3b

    SHA512

    7a6e07be5d6dd790c53b780c2684457db49a0be765568abd0036028553be0d53fa4f5a0b7e66e66fd507d2db50a7022a1cec1b0595d406e5871888c194cc8257

  • memory/2428-0-0x0000000013140000-0x000000001315F000-memory.dmp

    Filesize

    124KB

  • memory/2428-17-0x0000000013140000-0x000000001315F000-memory.dmp

    Filesize

    124KB

  • memory/3036-5-0x0000000013140000-0x000000001315F000-memory.dmp

    Filesize

    124KB

  • memory/3036-7-0x0000000013140000-0x000000001315F000-memory.dmp

    Filesize

    124KB

  • memory/3036-20-0x0000000013140000-0x000000001315F000-memory.dmp

    Filesize

    124KB