Analysis

  • max time kernel
    145s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
  • submitted
    11-07-2024 20:18

General

  • Target

    3a93a068a71b24d5a2623e100e8e0507_JaffaCakes118.exe

  • Size

    70KB

  • MD5

    3a93a068a71b24d5a2623e100e8e0507

  • SHA1

    d388c15e21b1442f9bc5b998eb7357d438071751

  • SHA256

    c9ab8e6311c8c79c04663b178a6489781fc0c7ae5c9534f259497d265702e1c7

  • SHA512

    70f0e6e52346e8b567f935d8be1c7a6d4e5d85d88d7e63af06945c1d9d8243a4a27eef7b1abd7ae3658a7e3d8762cd57fdc7c34404bca75af8ab048e49a69e81

  • SSDEEP

    1536:MAPfFyviqgsDz4IJLE6OyiByjzyrVTe3ItMwm4URyu:b39qDwcRUkzyrVTeYtkRyu

Malware Config

Extracted

Family

xtremerat

C2

marques444.no-ip.org

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.

  • 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 file in System32 directory 3 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 19 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3a93a068a71b24d5a2623e100e8e0507_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\3a93a068a71b24d5a2623e100e8e0507_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2072
    • C:\Users\Admin\AppData\Local\Temp\3a93a068a71b24d5a2623e100e8e0507_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\3a93a068a71b24d5a2623e100e8e0507_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:2060
      • C:\Windows\SysWOW64\svchost.exe
        svchost.exe
        3⤵
        • Boot or Logon Autostart Execution: Active Setup
        • Adds Run key to start application
        PID:1712
      • C:\Windows\SysWOW64\explorer.exe
        explorer.exe
        3⤵
        • Suspicious use of SetWindowsHookEx
        PID:2684

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    70KB

    MD5

    3a93a068a71b24d5a2623e100e8e0507

    SHA1

    d388c15e21b1442f9bc5b998eb7357d438071751

    SHA256

    c9ab8e6311c8c79c04663b178a6489781fc0c7ae5c9534f259497d265702e1c7

    SHA512

    70f0e6e52346e8b567f935d8be1c7a6d4e5d85d88d7e63af06945c1d9d8243a4a27eef7b1abd7ae3658a7e3d8762cd57fdc7c34404bca75af8ab048e49a69e81

  • memory/1712-15-0x0000000000C80000-0x0000000000C96000-memory.dmp

    Filesize

    88KB

  • memory/1712-13-0x0000000000C80000-0x0000000000C96000-memory.dmp

    Filesize

    88KB

  • memory/2060-2-0x0000000000C80000-0x0000000000C96000-memory.dmp

    Filesize

    88KB

  • memory/2060-4-0x0000000000C80000-0x0000000000C96000-memory.dmp

    Filesize

    88KB

  • memory/2060-5-0x0000000000C80000-0x0000000000C96000-memory.dmp

    Filesize

    88KB

  • memory/2060-6-0x0000000000C80000-0x0000000000C96000-memory.dmp

    Filesize

    88KB

  • memory/2060-20-0x0000000000C80000-0x0000000000C96000-memory.dmp

    Filesize

    88KB

  • memory/2684-19-0x0000000000C80000-0x0000000000C96000-memory.dmp

    Filesize

    88KB

  • memory/2684-22-0x0000000000C80000-0x0000000000C96000-memory.dmp

    Filesize

    88KB