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Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250129-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/01/2025, 23:10

General

  • Target

    JaffaCakes118_50423fd16d4e2c21d286c062164c27ab.exe

  • Size

    108KB

  • MD5

    50423fd16d4e2c21d286c062164c27ab

  • SHA1

    a574914d4e8b304216ce09e13d75e8af51e3b476

  • SHA256

    3ec9b2e6eaa1dacbd0446096270912390e77fcdf9540961afec83c31e95e207e

  • SHA512

    de7bcbe31052f43757f66bb45c4d1bb5eb5853879b6161f64347dd15d483717c2af855462c3cf428459ddda6d6416e49b9f60e72c38934a8d2e442780ea8fe3b

  • SSDEEP

    1536:PnFnrx4TEk1btTmmfAa6R5NlT94rbK/n36ek2+K39:PnVUbtT9f76Flx4cn36bDK39

Malware Config

Extracted

Family

xtremerat

C2

securitywindows.3utilities.com

Signatures

  • Detect XtremeRAT payload 4 IoCs
  • XtremeRAT

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

  • Xtremerat family
  • Suspicious use of SetThreadContext 1 IoCs
  • UPX packed file 7 IoCs

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

  • 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 WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_50423fd16d4e2c21d286c062164c27ab.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_50423fd16d4e2c21d286c062164c27ab.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3148
    • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_50423fd16d4e2c21d286c062164c27ab.exe
      "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_50423fd16d4e2c21d286c062164c27ab.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:524
      • C:\Windows\SysWOW64\svchost.exe
        svchost.exe
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1792
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1792 -s 480
          4⤵
          • Program crash
          PID:3508
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1792 -s 500
          4⤵
          • Program crash
          PID:2652
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
        3⤵
          PID:2072
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1792 -ip 1792
      1⤵
        PID:360
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 1792 -ip 1792
        1⤵
          PID:4332

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/524-0-0x0000000010000000-0x000000001004B000-memory.dmp

          Filesize

          300KB

        • memory/524-2-0x0000000010000000-0x000000001004B000-memory.dmp

          Filesize

          300KB

        • memory/524-4-0x0000000010000000-0x000000001004B000-memory.dmp

          Filesize

          300KB

        • memory/524-3-0x0000000010000000-0x000000001004B000-memory.dmp

          Filesize

          300KB

        • memory/524-6-0x0000000010000000-0x000000001004B000-memory.dmp

          Filesize

          300KB

        • memory/1792-5-0x0000000010000000-0x000000001004B000-memory.dmp

          Filesize

          300KB

        • memory/1792-7-0x0000000010000000-0x000000001004B000-memory.dmp

          Filesize

          300KB