Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
  • submitted
    12-07-2024 07:44

General

  • Target

    3c86a83b901a641312995646344e53ee_JaffaCakes118.exe

  • Size

    236KB

  • MD5

    3c86a83b901a641312995646344e53ee

  • SHA1

    a08ef7325e84096681985fe5d335c8ddc03774fd

  • SHA256

    90c4738f5ae5712cd9db758cbca2653703737020ab270e0c7be3b66a99bcad5c

  • SHA512

    73b5258297d4c381a79c91894a3e8fc39902825d4ed4ae1e0d24b898d2814bc3b033b4c9055b1314e68950fc93df3b7386fc99c489319cfaba2f7ce8cdb7aac7

  • SSDEEP

    3072:YAWua0nb7M0t5DPmV152Fh/neAnIoc+KMslxcXhKzQwIWbFj2NfPTaHslLrWnR5z:RRRTmV152Fh/neA2C5I5Sn+B2NyZ

Malware Config

Extracted

Family

xtremerat

C2

eminn115.zapto.org

Signatures

  • Detect XtremeRAT payload 9 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 13 IoCs

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

  • Adds Run key to start application 2 TTPs 4 IoCs
  • Drops file in System32 directory 2 IoCs
  • Suspicious use of SetThreadContext 1 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 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3c86a83b901a641312995646344e53ee_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\3c86a83b901a641312995646344e53ee_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2776
    • C:\Users\Admin\AppData\Local\Temp\3c86a83b901a641312995646344e53ee_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\3c86a83b901a641312995646344e53ee_JaffaCakes118.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2928
      • C:\Windows\SysWOW64\svchost.exe
        svchost.exe
        3⤵
        • Boot or Logon Autostart Execution: Active Setup
        • Adds Run key to start application
        PID:2696
      • C:\Windows\SysWOW64\explorer.exe
        explorer.exe
        3⤵
        • Boot or Logon Autostart Execution: Active Setup
        • Adds Run key to start application
        • Drops file in System32 directory
        • Suspicious use of SetWindowsHookEx
        PID:2620

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Windows\SysWOW64\InstallDir\svchost.exe

    Filesize

    236KB

    MD5

    3c86a83b901a641312995646344e53ee

    SHA1

    a08ef7325e84096681985fe5d335c8ddc03774fd

    SHA256

    90c4738f5ae5712cd9db758cbca2653703737020ab270e0c7be3b66a99bcad5c

    SHA512

    73b5258297d4c381a79c91894a3e8fc39902825d4ed4ae1e0d24b898d2814bc3b033b4c9055b1314e68950fc93df3b7386fc99c489319cfaba2f7ce8cdb7aac7

  • memory/2620-17-0x0000000010000000-0x000000001004D000-memory.dmp

    Filesize

    308KB

  • memory/2620-24-0x0000000010000000-0x000000001004D000-memory.dmp

    Filesize

    308KB

  • memory/2620-20-0x0000000010000000-0x000000001004D000-memory.dmp

    Filesize

    308KB

  • memory/2620-21-0x0000000010000000-0x000000001004D000-memory.dmp

    Filesize

    308KB

  • memory/2696-14-0x0000000010000000-0x000000001004D000-memory.dmp

    Filesize

    308KB

  • memory/2696-23-0x0000000010000000-0x000000001004D000-memory.dmp

    Filesize

    308KB

  • memory/2928-10-0x0000000010000000-0x000000001004D000-memory.dmp

    Filesize

    308KB

  • memory/2928-11-0x0000000010000000-0x000000001004D000-memory.dmp

    Filesize

    308KB

  • memory/2928-2-0x0000000010000000-0x000000001004D000-memory.dmp

    Filesize

    308KB

  • memory/2928-18-0x0000000010000000-0x000000001004D000-memory.dmp

    Filesize

    308KB

  • memory/2928-9-0x0000000010000000-0x000000001004D000-memory.dmp

    Filesize

    308KB

  • memory/2928-3-0x0000000010000000-0x000000001004D000-memory.dmp

    Filesize

    308KB

  • memory/2928-4-0x0000000010000000-0x000000001004D000-memory.dmp

    Filesize

    308KB

  • memory/2928-5-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2928-7-0x0000000010000000-0x000000001004D000-memory.dmp

    Filesize

    308KB