Analysis

  • max time kernel
    139s
  • max time network
    125s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/07/2024, 18:41

General

  • Target
    5d2f51d7a619a26c865981aa1fe86f1e_JaffaCakes118.exe
  • Size 223KB
  • Sample240719-xbsvcavaql
  • SHA256 dc67eef2da5bb719fa5c9f8de8e37fe3c4353e9e358e0840212af0b33508bd83
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Detect XtremeRAT payload 1 IoCs
  • XtremeRAT

    The XtremeRAT was developed by xtremecoder and has been available since at least 2010, and written in Delphi.

  • Uses the VBS compiler for execution 1 TTPs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5d2f51d7a619a26c865981aa1fe86f1e_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\5d2f51d7a619a26c865981aa1fe86f1e_JaffaCakes118.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:5116
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
      C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
      2⤵
        PID:1072
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1072 -s 12
          3⤵
          • Program crash
          PID:4004
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1072 -ip 1072
      1⤵
        PID:4492

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            memory/1072-4-0x0000000000C80000-0x0000000000C93000-memory.dmp

            memory/5116-0-0x0000000074A1E000-0x0000000074A1F000-memory.dmp

            memory/5116-1-0x0000000000890000-0x00000000008B6000-memory.dmp

            memory/5116-2-0x0000000005280000-0x000000000531C000-memory.dmp

            memory/5116-3-0x0000000002B30000-0x0000000002B3A000-memory.dmp