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Analysis

  • max time kernel
    136s
  • max time network
    126s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18/10/2024, 19:05

General

  • Target

    590433f876b83b78efb954900371c41c_JaffaCakes118.exe

  • Size

    312KB

  • MD5

    590433f876b83b78efb954900371c41c

  • SHA1

    463f5a14a3165f77cd86011e123c783f5e0392df

  • SHA256

    1bcf7ab9df0b2e8906a7f6ef06dcb2692130d0c6ccd387b1affd9e0780f037fe

  • SHA512

    7da39ff77cd6c2e7fc6d1b76231662b6e604890176cd238284aa7f9684cd509f53cce2a5a36293c404d90d3caa0b91841cddc39f27f05d75aee95234e16ef306

  • SSDEEP

    6144:KxK3EdhAcBWEEb/pKoG2uZOX6/78EHvlHxPgEN5K6zZLo6:9dGWEw/prGtYTatRoI5K6z9t

Malware Config

Extracted

Family

xtremerat

C2

iuyfdsghj.myvnc.com

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.

  • Suspicious use of SetThreadContext 1 IoCs
  • UPX packed file 5 IoCs

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

  • 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 1 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\590433f876b83b78efb954900371c41c_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\590433f876b83b78efb954900371c41c_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:792
    • C:\Users\Admin\AppData\Local\Temp\590433f876b83b78efb954900371c41c_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\590433f876b83b78efb954900371c41c_JaffaCakes118.exe"
      2⤵
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2428
      • C:\Windows\SysWOW64\svchost.exe
        svchost.exe
        3⤵
        • System Location Discovery: System Language Discovery
        PID:764
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 764 -s 480
          4⤵
          • Program crash
          PID:2260
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 764 -s 488
          4⤵
          • Program crash
          PID:3820
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
        3⤵
          PID:3416
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 764 -ip 764
      1⤵
        PID:5004
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 764 -ip 764
        1⤵
          PID:4024

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/764-10-0x0000000010000000-0x000000001004F000-memory.dmp

          Filesize

          316KB

        • memory/764-13-0x0000000010000000-0x000000001004F000-memory.dmp

          Filesize

          316KB

        • memory/792-0-0x0000000000400000-0x00000000004FB000-memory.dmp

          Filesize

          1004KB

        • memory/792-1-0x0000000000401000-0x00000000004DB000-memory.dmp

          Filesize

          872KB

        • memory/792-8-0x0000000000400000-0x00000000004FB000-memory.dmp

          Filesize

          1004KB

        • memory/2428-4-0x0000000010000000-0x000000001004F000-memory.dmp

          Filesize

          316KB

        • memory/2428-6-0x0000000010000000-0x000000001004F000-memory.dmp

          Filesize

          316KB

        • memory/2428-9-0x0000000010000000-0x000000001004F000-memory.dmp

          Filesize

          316KB