Analysis

  • max time kernel
    93s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240704-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-07-2024 05:16

General

  • Target

    2f1b5739d51a5814da909446f22e9f3f_JaffaCakes118.exe

  • Size

    350KB

  • MD5

    2f1b5739d51a5814da909446f22e9f3f

  • SHA1

    d3c9db71d05264e0b6f77538da49a765eb2399d7

  • SHA256

    979eccf3ea029ce6bf70b0f7ceb7d85523c7b58b7f3baa554f9575d4b4da3b58

  • SHA512

    f8d04b8c45f845ca84594e42ccb57444131ba517820e475817e4bbb6fe957246905e3407f92ae865495b8acec9618504eed093726870e2fefe7a4bc2712f886a

  • SSDEEP

    6144:Q1db49+rEg024fpLZazEjvE/rbay19tSt4bO2BaDmeBJe59kIQ4Wh:QjkArEN249AyE/rbaMct4bO2/VAx

Score
7/10
upx

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • UPX packed file 2 IoCs

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

  • AutoIT Executable 1 IoCs

    AutoIT scripts compiled to PE executables.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2f1b5739d51a5814da909446f22e9f3f_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\2f1b5739d51a5814da909446f22e9f3f_JaffaCakes118.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4924
    • C:\Users\Admin\AppData\Local\Temp\server.exe
      C:\Users\Admin\AppData\Local\Temp/server.exe
      2⤵
      • Executes dropped EXE
      PID:2056
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2056 -s 272
        3⤵
        • Program crash
        PID:1968
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2056 -ip 2056
    1⤵
      PID:940

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      56KB

      MD5

      a0862202c47af53cf361f0c0869b9dd4

      SHA1

      caa5f99d4e2906bab3e30389ce9c190079feb938

      SHA256

      2d6d130382c071a47637529ab26b671a8a746e9fa8b9ab6bf9055df5d4008644

      SHA512

      f4031a5927c17e0b1b49f58aeec47b98439bf686aef0906fff8408d0f1c0caf12a4f9ba3929eda5343c62da70f0b3d8e830b10398ce79e0f543d664f86ad4aa5

    • memory/2056-10-0x0000000000400000-0x0000000000409000-memory.dmp

      Filesize

      36KB

    • memory/2056-14-0x0000000000400000-0x0000000000409000-memory.dmp

      Filesize

      36KB

    • memory/4924-0-0x0000000000400000-0x00000000004C1000-memory.dmp

      Filesize

      772KB

    • memory/4924-12-0x0000000000400000-0x00000000004C1000-memory.dmp

      Filesize

      772KB