Analysis

  • max time kernel
    149s
  • max time network
    150s
  • 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 05:04

General

  • Target

    3c139a70dc81cd1d227566461e70aa4d_JaffaCakes118.exe

  • Size

    45KB

  • MD5

    3c139a70dc81cd1d227566461e70aa4d

  • SHA1

    36f48baa40a25da2a0993cd7d2b342ced3516f07

  • SHA256

    8f9029118e749579a9ad429c715c7e17c14e554e20bb08251f2f69bb544ced88

  • SHA512

    5d3fd179cfa03024d965428e7f2cb710b775873e63ba239d47f756b37d69207e72af7ce8a9f3038af5a107e23bc3a909d2980d9a3b9c91e5e3dfcb49eafaefd3

  • SSDEEP

    768:SF3DQwxS6Z/4elNg9PJ3FvLnRl0fgngeEOzBofN2UF+Opz+nqg532YFud6MY7son:S5QAEeWPJ3FD8AgdUBIoUFTWZ2YG6MYn

Malware Config

Extracted

Family

xtremerat

C2

microsoft2012.no-ip.biz

Signatures

  • Detect XtremeRAT payload 8 IoCs
  • XtremeRAT

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

  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 4 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3c139a70dc81cd1d227566461e70aa4d_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\3c139a70dc81cd1d227566461e70aa4d_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:60
    • C:\Users\Admin\AppData\Local\Temp\3c139a70dc81cd1d227566461e70aa4d_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\3c139a70dc81cd1d227566461e70aa4d_JaffaCakes118.exe"
      2⤵
      • Boot or Logon Autostart Execution: Active Setup
      • Drops file in Windows directory
      • Suspicious use of WriteProcessMemory
      PID:1948
      • C:\Windows\SysWOW64\svchost.exe
        svchost.exe
        3⤵
        • Boot or Logon Autostart Execution: Active Setup
        PID:2288
      • C:\Windows\SysWOW64\explorer.exe
        explorer.exe
        3⤵
        • Suspicious use of SetWindowsHookEx
        PID:2812

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\InstallDir\server.exe

    Filesize

    45KB

    MD5

    3c139a70dc81cd1d227566461e70aa4d

    SHA1

    36f48baa40a25da2a0993cd7d2b342ced3516f07

    SHA256

    8f9029118e749579a9ad429c715c7e17c14e554e20bb08251f2f69bb544ced88

    SHA512

    5d3fd179cfa03024d965428e7f2cb710b775873e63ba239d47f756b37d69207e72af7ce8a9f3038af5a107e23bc3a909d2980d9a3b9c91e5e3dfcb49eafaefd3

  • memory/60-6-0x0000000074A80000-0x0000000075031000-memory.dmp

    Filesize

    5.7MB

  • memory/60-1-0x0000000074A80000-0x0000000075031000-memory.dmp

    Filesize

    5.7MB

  • memory/60-2-0x0000000074A80000-0x0000000075031000-memory.dmp

    Filesize

    5.7MB

  • memory/60-0-0x0000000074A82000-0x0000000074A83000-memory.dmp

    Filesize

    4KB

  • memory/1948-3-0x0000000000C80000-0x0000000000C93000-memory.dmp

    Filesize

    76KB

  • memory/1948-7-0x0000000000C80000-0x0000000000C93000-memory.dmp

    Filesize

    76KB

  • memory/1948-8-0x0000000000C80000-0x0000000000C93000-memory.dmp

    Filesize

    76KB

  • memory/1948-4-0x0000000000C80000-0x0000000000C93000-memory.dmp

    Filesize

    76KB

  • memory/1948-15-0x0000000000C80000-0x0000000000C93000-memory.dmp

    Filesize

    76KB

  • memory/2288-12-0x0000000000C80000-0x0000000000C93000-memory.dmp

    Filesize

    76KB

  • memory/2812-14-0x0000000000C80000-0x0000000000C93000-memory.dmp

    Filesize

    76KB

  • memory/2812-17-0x0000000000C80000-0x0000000000C93000-memory.dmp

    Filesize

    76KB