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Analysis

  • max time kernel
    147s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/01/2025, 08:14

General

  • Target

    JaffaCakes118_c23af29a7294c4b0349ef3b260aac5bf.exe

  • Size

    113KB

  • MD5

    c23af29a7294c4b0349ef3b260aac5bf

  • SHA1

    7d5c8ae5b31b47524b0d8178213b1ee0e0fd8193

  • SHA256

    28f0dde837d3e7b4dd12ac6cd74c757a251c35de98495e0c0018905eeff3f069

  • SHA512

    4524d7b363e1e18c8cf9ff1f4f3ebf0cb9c80e792c867d780bcf8325d1ea0a9a79117af8e596040225d706c93856794ce6364e08cae851a7cecb5faa9f9a6714

  • SSDEEP

    1536:8Nl4rcZPBGpQAiTgxLhLij8+4MNBp1g9DLcgmkkU8rlt8FwD:8YrcvGp5lxLhLlMNfGpzmPrrIFwD

Malware Config

Extracted

Family

xtremerat

C2

\WINDOWS\system32;C:\WINDOWS;C:\WINDOWS\Salgeny0.no-ip.biz

Signatures

  • Detect XtremeRAT payload 8 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 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 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 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c23af29a7294c4b0349ef3b260aac5bf.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c23af29a7294c4b0349ef3b260aac5bf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:5104
    • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c23af29a7294c4b0349ef3b260aac5bf.exe
      C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c23af29a7294c4b0349ef3b260aac5bf.exe
      2⤵
      • Boot or Logon Autostart Execution: Active Setup
      • Adds Run key to start application
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1572
      • C:\Windows\SysWOW64\svchost.exe
        svchost.exe
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4512
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4512 -s 248
          4⤵
          • Program crash
          PID:3640
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4512 -s 488
          4⤵
          • Program crash
          PID:2056
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4512 -ip 4512
    1⤵
      PID:1912
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 4512 -ip 4512
      1⤵
        PID:848

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/1572-3-0x0000000010000000-0x000000001004A000-memory.dmp

        Filesize

        296KB

      • memory/1572-4-0x0000000010000000-0x000000001004A000-memory.dmp

        Filesize

        296KB

      • memory/1572-7-0x0000000010000000-0x000000001004A000-memory.dmp

        Filesize

        296KB

      • memory/1572-8-0x0000000010000000-0x000000001004A000-memory.dmp

        Filesize

        296KB

      • memory/1572-11-0x0000000010000000-0x000000001004A000-memory.dmp

        Filesize

        296KB

      • memory/1572-14-0x0000000010000000-0x000000001004A000-memory.dmp

        Filesize

        296KB

      • memory/4512-9-0x0000000010000000-0x000000001004A000-memory.dmp

        Filesize

        296KB

      • memory/4512-13-0x0000000010000000-0x000000001004A000-memory.dmp

        Filesize

        296KB

      • memory/5104-0-0x0000000000400000-0x000000000045A000-memory.dmp

        Filesize

        360KB

      • memory/5104-6-0x0000000000400000-0x000000000045A000-memory.dmp

        Filesize

        360KB