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Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    26/01/2025, 09:43

General

  • Target

    JaffaCakes118_346c6012a915bd9991f5bd367b5ddaed.exe

  • Size

    192KB

  • MD5

    346c6012a915bd9991f5bd367b5ddaed

  • SHA1

    5fede2bbaf4fffcaf6113c62cb7cb1d830b7926b

  • SHA256

    07e1821f25247fe00077540c9ea9ddead92e91c40bc58be5c9962c38107802e8

  • SHA512

    03e53c1c589e1e041beb72dcfd69bfa10c6b4d447311edd96ade63028b60136f4d9f739f84a9e93c6cd5f348bea08bf740bd81d80fb7e09708a4360ba41c3c49

  • SSDEEP

    3072:qezNcARiXE1d+1mfA69pOevJtNx1FMPKGzaWrskkkPKF8/Gcv:q248pOextNx1

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.

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

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

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • UPX packed file 8 IoCs

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

  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_346c6012a915bd9991f5bd367b5ddaed.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_346c6012a915bd9991f5bd367b5ddaed.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1568
    • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_346c6012a915bd9991f5bd367b5ddaed.exe
      C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_346c6012a915bd9991f5bd367b5ddaed.exe
      2⤵
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1872
      • C:\Windows\SysWOW64\svchost.exe
        svchost.exe
        3⤵
        • Boot or Logon Autostart Execution: Active Setup
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        PID:2128
      • C:\Windows\SysWOW64\svchost.exe
        svchost.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:2436

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\InstallDir\update.exe

    Filesize

    192KB

    MD5

    346c6012a915bd9991f5bd367b5ddaed

    SHA1

    5fede2bbaf4fffcaf6113c62cb7cb1d830b7926b

    SHA256

    07e1821f25247fe00077540c9ea9ddead92e91c40bc58be5c9962c38107802e8

    SHA512

    03e53c1c589e1e041beb72dcfd69bfa10c6b4d447311edd96ade63028b60136f4d9f739f84a9e93c6cd5f348bea08bf740bd81d80fb7e09708a4360ba41c3c49

  • memory/1872-2-0x0000000000C80000-0x0000000000C95000-memory.dmp

    Filesize

    84KB

  • memory/1872-6-0x0000000000C80000-0x0000000000C95000-memory.dmp

    Filesize

    84KB

  • memory/1872-5-0x0000000000C80000-0x0000000000C95000-memory.dmp

    Filesize

    84KB

  • memory/1872-4-0x0000000000C80000-0x0000000000C95000-memory.dmp

    Filesize

    84KB

  • memory/1872-19-0x0000000000C80000-0x0000000000C95000-memory.dmp

    Filesize

    84KB

  • memory/2128-12-0x0000000000C80000-0x0000000000C95000-memory.dmp

    Filesize

    84KB

  • memory/2128-14-0x0000000000C80000-0x0000000000C95000-memory.dmp

    Filesize

    84KB

  • memory/2436-18-0x0000000000C80000-0x0000000000C95000-memory.dmp

    Filesize

    84KB

  • memory/2436-21-0x0000000000C80000-0x0000000000C95000-memory.dmp

    Filesize

    84KB