Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-01-2025 22:22

General

  • Target

    JaffaCakes118_68919af77e90aae30931fddcbf485eea.exe

  • Size

    40KB

  • MD5

    68919af77e90aae30931fddcbf485eea

  • SHA1

    da36546bfbf4f641ef1f8d482c1a18618ae6bf0f

  • SHA256

    13f0fa0ac5f348540052792b74727fa87af74eb405fe9f0bdcef7143c2f54acd

  • SHA512

    9b5ce1a918adb5eb905953989acb45a8a11d598b888debfef63dcbe9c95da8b47798c56d7200908ffeefcd2436f59d140fb427fb47d952bb68c9337b648d273e

  • SSDEEP

    768:7yxsv4Mb+dRdSxEHj1WDFK/UlBfcQuRg63BsJC0MGd40:7ZvEEEHZklBfpeg63OJNxd4

Malware Config

Extracted

Family

xtremerat

C2

bimbo-dz.zapto.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.

  • Xtremerat family
  • UPX packed file 4 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 2 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 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_68919af77e90aae30931fddcbf485eea.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_68919af77e90aae30931fddcbf485eea.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4004
    • C:\Windows\SysWOW64\svchost.exe
      svchost.exe
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1292
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1292 -s 472
        3⤵
        • Program crash
        PID:2028
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1292 -s 488
        3⤵
        • Program crash
        PID:2584
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
      2⤵
        PID:3092
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1292 -ip 1292
      1⤵
        PID:980
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1292 -ip 1292
        1⤵
          PID:724

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1292-1-0x0000000010000000-0x000000001004F000-memory.dmp

          Filesize

          316KB

        • memory/1292-4-0x0000000010000000-0x000000001004F000-memory.dmp

          Filesize

          316KB

        • memory/4004-0-0x0000000010000000-0x000000001004F000-memory.dmp

          Filesize

          316KB

        • memory/4004-3-0x0000000010000000-0x000000001004F000-memory.dmp

          Filesize

          316KB