Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240704-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-07-2024 17:01

General

  • Target

    5cd839fdb82b95bd41e7b3bb4f2a3f0d_JaffaCakes118.exe

  • Size

    245KB

  • MD5

    5cd839fdb82b95bd41e7b3bb4f2a3f0d

  • SHA1

    d41ba311c03bacce3e45309b53c10e0439a6bd1e

  • SHA256

    f5f0f5bd4e2b436f5a9d17847ed3bd5509563e2befacc1f07fd494a68aefca0f

  • SHA512

    2801f442cf498a08930620d429ae3844e5132dfe97b1c696235788cf416535053b5987377695d4a09aad4532e5051f5aec10e4001e34c1c5fc76b9ba4b359f56

  • SSDEEP

    6144:62d0lDp3KP6fnaeCSKKu8ojPDQL6SzWK9NV+UWhlpake:62up6P6rCiuRvxS6KmjAp

Malware Config

Signatures

  • Detect XtremeRAT payload 6 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.

  • Drops file in Drivers directory 2 IoCs
  • UPX packed file 8 IoCs

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

  • Adds Run key to start application 2 TTPs 4 IoCs
  • Drops autorun.inf file 1 TTPs 18 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Drops file in System32 directory 4 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 8 IoCs
  • Drops file in Windows directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5cd839fdb82b95bd41e7b3bb4f2a3f0d_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\5cd839fdb82b95bd41e7b3bb4f2a3f0d_JaffaCakes118.exe"
    1⤵
    • Drops file in Drivers directory
    • Drops autorun.inf file
    • Drops file in System32 directory
    • Suspicious use of SetThreadContext
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4088
    • C:\Users\Admin\AppData\Local\Temp\5cd839fdb82b95bd41e7b3bb4f2a3f0d_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\5cd839fdb82b95bd41e7b3bb4f2a3f0d_JaffaCakes118.exe
      2⤵
      • Boot or Logon Autostart Execution: Active Setup
      • Adds Run key to start application
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:1584
      • C:\Windows\SysWOW64\svchost.exe
        svchost.exe
        3⤵
        • Boot or Logon Autostart Execution: Active Setup
        • Adds Run key to start application
        PID:2848
      • C:\Windows\SysWOW64\explorer.exe
        explorer.exe
        3⤵
        • Suspicious use of SetWindowsHookEx
        PID:2052

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\JOhYWdrBfsshCsFRqLMb.exe

    Filesize

    245KB

    MD5

    5cd839fdb82b95bd41e7b3bb4f2a3f0d

    SHA1

    d41ba311c03bacce3e45309b53c10e0439a6bd1e

    SHA256

    f5f0f5bd4e2b436f5a9d17847ed3bd5509563e2befacc1f07fd494a68aefca0f

    SHA512

    2801f442cf498a08930620d429ae3844e5132dfe97b1c696235788cf416535053b5987377695d4a09aad4532e5051f5aec10e4001e34c1c5fc76b9ba4b359f56

  • memory/1584-27-0x0000000000C80000-0x0000000000C95000-memory.dmp

    Filesize

    84KB

  • memory/1584-29-0x0000000000C80000-0x0000000000C95000-memory.dmp

    Filesize

    84KB

  • memory/1584-32-0x0000000000C80000-0x0000000000C95000-memory.dmp

    Filesize

    84KB

  • memory/1584-31-0x0000000000C80000-0x0000000000C95000-memory.dmp

    Filesize

    84KB

  • memory/1584-39-0x0000000000C80000-0x0000000000C95000-memory.dmp

    Filesize

    84KB

  • memory/2052-38-0x0000000000C80000-0x0000000000C95000-memory.dmp

    Filesize

    84KB

  • memory/2052-41-0x0000000000C80000-0x0000000000C95000-memory.dmp

    Filesize

    84KB

  • memory/2848-36-0x0000000000C80000-0x0000000000C95000-memory.dmp

    Filesize

    84KB

  • memory/4088-0-0x0000000000400000-0x000000000046F000-memory.dmp

    Filesize

    444KB

  • memory/4088-30-0x0000000000400000-0x000000000046F000-memory.dmp

    Filesize

    444KB