Analysis

  • max time kernel
    147s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240319-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240319-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-04-2024 18:49

General

  • Target

    e8299f1e08b4af37de4722c9c944447d_JaffaCakes118.dll

  • Size

    164KB

  • MD5

    e8299f1e08b4af37de4722c9c944447d

  • SHA1

    4438562a4ec26bdb561a017710bee8e49a8b7b2e

  • SHA256

    6cccac06737c66607cda5c1ad13844bcb84095dabfcfa9eca9bb2e2201db4bb2

  • SHA512

    82e7ead04e1030a57bda7bf18a9b442fe9a09b114bb9d3b98897a5dacd8f8cd4a638f561c59fc420b8a4ee0317201aa005ee393eac41e3a853c6b50c6116094c

  • SSDEEP

    3072:VY4Nltz05irnga9U4Qoc0CP7S3LIN10OvTVMVZXE5mqx1nCUJMkLI2Q1:VYqltucga+DSbG10OvTuVZ0U0Ukb

Score
10/10

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\e8299f1e08b4af37de4722c9c944447d_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4752
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\e8299f1e08b4af37de4722c9c944447d_JaffaCakes118.dll,#1
      2⤵
      • Modifies WinLogon for persistence
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4012
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4012 -s 932
        3⤵
        • Program crash
        PID:3848
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 4012 -ip 4012
    1⤵
      PID:3412
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3808 --field-trial-handle=2228,i,8155065313278028490,17854605419281052753,262144 --variations-seed-version /prefetch:8
      1⤵
        PID:4148

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/4012-0-0x0000000000400000-0x000000000042F000-memory.dmp

        Filesize

        188KB