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Analysis

  • max time kernel
    136s
  • max time network
    129s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/08/2024, 14:18

General

  • Target

    a2dfcbe1c4b858be83842f6d016b95e7_JaffaCakes118.exe

  • Size

    127KB

  • MD5

    a2dfcbe1c4b858be83842f6d016b95e7

  • SHA1

    fa68e664b8fa5adec1d00eb1283402c6380b606d

  • SHA256

    5ae317cfd4fcabd4e18e333040dd6b58fadf4a997637d84e3c6b6730eb131f06

  • SHA512

    26d165fc9cb1750830d57878a1c1dcf0fe5d37d176f7f5882e76e2ecd04cde62264e11bae83f882aa1b9497c2e310b51875a0032b024d11cac39121ff6872190

  • SSDEEP

    3072:VaBJqCg2O2Mw4XulJwlSQBZgxjC5baaVwqUVOxSc0y1:VarDgYMwRLQzZhxOqUVOxXB

Malware Config

Extracted

Family

xtremerat

C2

pop93.no-ip.org

Signatures

  • Detect XtremeRAT payload 3 IoCs
  • XtremeRAT

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

  • UPX packed file 5 IoCs

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

  • Suspicious use of SetThreadContext 1 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 1 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a2dfcbe1c4b858be83842f6d016b95e7_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\a2dfcbe1c4b858be83842f6d016b95e7_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4260
    • C:\Users\Admin\AppData\Local\Temp\a2dfcbe1c4b858be83842f6d016b95e7_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\a2dfcbe1c4b858be83842f6d016b95e7_JaffaCakes118.exe
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3004
      • C:\Windows\SysWOW64\svchost.exe
        svchost.exe
        3⤵
        • System Location Discovery: System Language Discovery
        PID:3324
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3324 -s 480
          4⤵
          • Program crash
          PID:3260
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3324 -s 504
          4⤵
          • Program crash
          PID:4216
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
        3⤵
          PID:4280
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 3324 -ip 3324
      1⤵
        PID:2664
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 3324 -ip 3324
        1⤵
          PID:2292

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/3004-5-0x0000000010000000-0x000000001004B000-memory.dmp

          Filesize

          300KB

        • memory/3004-9-0x0000000010000000-0x000000001004B000-memory.dmp

          Filesize

          300KB

        • memory/3004-10-0x0000000010000000-0x000000001004B000-memory.dmp

          Filesize

          300KB

        • memory/3324-11-0x0000000010000000-0x000000001004B000-memory.dmp

          Filesize

          300KB

        • memory/3324-12-0x0000000010000000-0x000000001004B000-memory.dmp

          Filesize

          300KB

        • memory/4260-0-0x0000000000400000-0x0000000000449000-memory.dmp

          Filesize

          292KB

        • memory/4260-1-0x0000000000400000-0x0000000000449000-memory.dmp

          Filesize

          292KB

        • memory/4260-2-0x0000000000401000-0x0000000000427000-memory.dmp

          Filesize

          152KB

        • memory/4260-8-0x0000000000400000-0x0000000000449000-memory.dmp

          Filesize

          292KB