Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/03/2024, 18:38

General

  • Target
    41bc8c583d9904897e2b504f127ced23_JaffaCakes118.exe
  • Size 256KB
  • Sample240330-xaftdscf46
  • SHA256 26a7d60148b01f0b2c57abaac977514cbc0d31606ae151f200f0b9c04fdf0ad3
  • MD5 SHA1 SHA512 SSDEEP
Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 1 IoCs
  • 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\41bc8c583d9904897e2b504f127ced23_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\41bc8c583d9904897e2b504f127ced23_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2548
    • C:\Users\Admin\AppData\Local\Temp\41bc8c583d9904897e2b504f127ced23_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\41bc8c583d9904897e2b504f127ced23_JaffaCakes118.exe"
      2⤵
        PID:1492
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2548 -s 1044
        2⤵
        • Program crash
        PID:4012
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 2548 -ip 2548
      1⤵
        PID:4064

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            pclcfdo.dll

            • Path C:\Users\Admin\AppData\Local\Temp\nsc327B.tmp\pclcfdo.dll
            • Size 22KB
            • SHA256 824fda5608b540d3bda797751450c40649565f2bf49afdc81ebfd9faa8995aa2
            • MD5 SHA1 SHA512 SSDEEP

            memory/2548-6-0x0000000010000000-0x0000000010009000-memory.dmp

            memory/2548-9-0x0000000010000000-0x0000000010009000-memory.dmp