Analysis

  • max time kernel
    151s
  • max time network
    156s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    07-07-2024 03:51

General

  • Target

    29b681d68c7224e9abc90da004e64f98_JaffaCakes118.exe

  • Size

    26KB

  • MD5

    29b681d68c7224e9abc90da004e64f98

  • SHA1

    8339c27a2d08e13d5c069d62050dd7f85880823f

  • SHA256

    46b3782ab0b39b405487d552320717210cc2f80727fc4cdf0043a8c3881fe8b6

  • SHA512

    a8720ddcafa96ac2ba5a4286c353938fb5960bb1b5ba81cea96382dc283c54c7ac30cc7c10a5adbbc15b9f63066e00e1d3582097690758a8e99c6ffdc27b479f

  • SSDEEP

    384:Wpj7eNmfp+UrM8j3Mk8mw2Qwz9cEVWNuOuuOYPq8P9iYwbzuHOCpwMXwRVqr3Q:TmfpbM8j8wQwz9caAuxYyuFOkwMXc3

Malware Config

Extracted

Family

xtremerat

C2

wiisgv.no-ip.org

wiisgv.no-ip.org

蠀C:\Windwiisgv.no-ip.org

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.

  • 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.

  • UPX packed file 6 IoCs

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

  • Adds Run key to start application 2 TTPs 4 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\29b681d68c7224e9abc90da004e64f98_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\29b681d68c7224e9abc90da004e64f98_JaffaCakes118.exe"
    1⤵
    • Boot or Logon Autostart Execution: Active Setup
    • Adds Run key to start application
    • Drops file in Windows directory
    • Suspicious use of WriteProcessMemory
    PID:2796
    • C:\Windows\SysWOW64\svchost.exe
      svchost.exe
      2⤵
      • Boot or Logon Autostart Execution: Active Setup
      • Adds Run key to start application
      PID:2424
    • C:\Windows\SysWOW64\svchost.exe
      svchost.exe
      2⤵
      • Suspicious use of SetWindowsHookEx
      PID:2768

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\InstallDir\Wcpp.exe

    Filesize

    26KB

    MD5

    29b681d68c7224e9abc90da004e64f98

    SHA1

    8339c27a2d08e13d5c069d62050dd7f85880823f

    SHA256

    46b3782ab0b39b405487d552320717210cc2f80727fc4cdf0043a8c3881fe8b6

    SHA512

    a8720ddcafa96ac2ba5a4286c353938fb5960bb1b5ba81cea96382dc283c54c7ac30cc7c10a5adbbc15b9f63066e00e1d3582097690758a8e99c6ffdc27b479f

  • memory/2424-5-0x0000000013140000-0x000000001315F000-memory.dmp

    Filesize

    124KB

  • memory/2424-7-0x0000000013140000-0x000000001315F000-memory.dmp

    Filesize

    124KB

  • memory/2768-11-0x0000000013140000-0x000000001315F000-memory.dmp

    Filesize

    124KB

  • memory/2768-14-0x0000000013140000-0x000000001315F000-memory.dmp

    Filesize

    124KB

  • memory/2796-0-0x0000000013140000-0x000000001315F000-memory.dmp

    Filesize

    124KB

  • memory/2796-12-0x0000000013140000-0x000000001315F000-memory.dmp

    Filesize

    124KB