Analysis

  • max time kernel
    150s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-07-2024 23:16

General

  • Target

    3f42e1b99cacb148cb69eac9d0dc5138_JaffaCakes118.exe

  • Size

    10KB

  • MD5

    3f42e1b99cacb148cb69eac9d0dc5138

  • SHA1

    777c6974d7c837a4a5f669d8d04ad20a0dd0e2e4

  • SHA256

    fed518ba945b74371343034f55e793bc7755f3e8915183cb576d632222539423

  • SHA512

    6f7ca93ab13a4434546c697814b7d812acef323afc73f1f6881e5bbd9879e8074d4fa4ff01249d95a4e5761322238669c5a82c077d6545b47d02a6cdde73dd37

  • SSDEEP

    192:Ryw1qv+F7pQtH5dWVJLD9popPzvKx1jRN6TDzi/6DGLdtYNscLbf+OHTTFZ:IwWg7pQtHDYLD0p2n+DO/I6YNXbjzr

Malware Config

Signatures

  • Event Triggered Execution: AppInit DLLs 1 TTPs

    Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.

  • Executes dropped EXE 1 IoCs
  • UPX packed file 4 IoCs

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

  • Drops file in System32 directory 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3f42e1b99cacb148cb69eac9d0dc5138_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\3f42e1b99cacb148cb69eac9d0dc5138_JaffaCakes118.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4164
    • C:\Windows\SysWOW64\comboausk.exe
      C:\Windows\system32\comboausk.exe ˜‰
      2⤵
      • Executes dropped EXE
      PID:3460
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\3f42e1b99cacb148cb69eac9d0dc5138_JaffaCakes118.exe.bat
      2⤵
        PID:3944

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\3f42e1b99cacb148cb69eac9d0dc5138_JaffaCakes118.exe.bat

      Filesize

      210B

      MD5

      d6233c040e0b3f1e09ad1362fdcbd94d

      SHA1

      d22ffc8efa2314133c19a36cae90664fda7300e7

      SHA256

      c92570243a1a1e273212fc5a6c51be12912df551370a01a07ee5cd0c470e1fbe

      SHA512

      8f8c6419e385b4654812859ab48d904b5a3fd195cfbcf5630de57ec0e21c0137f1b488a33ab80253a8a3615da3d59f44bf506d09c1f42c05513fb5280e459406

    • C:\Windows\SysWOW64\comboausk.exe

      Filesize

      10KB

      MD5

      3f42e1b99cacb148cb69eac9d0dc5138

      SHA1

      777c6974d7c837a4a5f669d8d04ad20a0dd0e2e4

      SHA256

      fed518ba945b74371343034f55e793bc7755f3e8915183cb576d632222539423

      SHA512

      6f7ca93ab13a4434546c697814b7d812acef323afc73f1f6881e5bbd9879e8074d4fa4ff01249d95a4e5761322238669c5a82c077d6545b47d02a6cdde73dd37

    • memory/3460-10-0x0000000000400000-0x000000000040E000-memory.dmp

      Filesize

      56KB

    • memory/4164-0-0x0000000000400000-0x000000000040E000-memory.dmp

      Filesize

      56KB

    • memory/4164-8-0x0000000000400000-0x000000000040E000-memory.dmp

      Filesize

      56KB