Analysis

  • max time kernel
    93s
  • 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 13:07

General

  • Target

    5c11380aabc72b9c1c2885f723d4408e_JaffaCakes118.exe

  • Size

    194KB

  • MD5

    5c11380aabc72b9c1c2885f723d4408e

  • SHA1

    3d412a39e58de80d839486de8f2a6b07d7549455

  • SHA256

    e7503289af08cfafc81b9c5e21f64d6339c7603db79ccb239ae64ab540649e34

  • SHA512

    95d36e5d0955e1b676ec76d7ba4eeaa9363ae76666fae727288d924bccbe51ba05c3d280f2ae86bc546fa698e6f073a160f28d033358e9a289fcc94160b0c9cd

  • SSDEEP

    6144:OZ6QpU0j56Mu5pYM8aiDBuJcqbWbS+ZKnJr:2pU9b5pYXaiDqMKJr

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.

  • Executes dropped EXE 1 IoCs
  • 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 behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5c11380aabc72b9c1c2885f723d4408e_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\5c11380aabc72b9c1c2885f723d4408e_JaffaCakes118.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2608
    • C:\Users\Admin\AppData\Local\Temp\vbc.exe
      C:\Users\Admin\AppData\Local\Temp\vbc.exe
      2⤵
      • Executes dropped EXE
      PID:2756
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2756 -s 12
        3⤵
        • Program crash
        PID:4588
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2756 -ip 2756
    1⤵
      PID:3116

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\vbc.exe

      Filesize

      1.1MB

      MD5

      d881de17aa8f2e2c08cbb7b265f928f9

      SHA1

      08936aebc87decf0af6e8eada191062b5e65ac2a

      SHA256

      b3a37093609f9a20ad60b85a9fa9de2ba674cba9b5bd687729440c70ba619ca0

      SHA512

      5f23bfb1b8740247b36ed0ab741738c7d4c949736129e767213e321607d1ccd3e3a8428e4ba44bd28a275b5e3f6206285b1a522514b7ef7ea5e698d90a713d34

    • memory/2608-0-0x0000000075482000-0x0000000075483000-memory.dmp

      Filesize

      4KB

    • memory/2608-1-0x0000000075480000-0x0000000075A31000-memory.dmp

      Filesize

      5.7MB

    • memory/2608-2-0x0000000075480000-0x0000000075A31000-memory.dmp

      Filesize

      5.7MB

    • memory/2608-10-0x0000000075480000-0x0000000075A31000-memory.dmp

      Filesize

      5.7MB

    • memory/2756-7-0x0000000000C80000-0x0000000000C93000-memory.dmp

      Filesize

      76KB