Analysis

  • max time kernel
    125s
  • max time network
    126s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-07-2024 13:27

General

  • Target

    1b78c272c9c173e039fe5496ccb1d5f6_JaffaCakes118.exe

  • Size

    51KB

  • MD5

    1b78c272c9c173e039fe5496ccb1d5f6

  • SHA1

    1b2c16f90ae43b983d9a8441921dd3f90ccd70b5

  • SHA256

    e5b5658e02b1cb3a03e5259d1cc2632a95755ec5da92f696388f9481f1452fe6

  • SHA512

    0c7e4d3b030c28aafe23a416330ad06b9c1b2a59d6d1fde3cf230aa0222bf89dc41b9fb18373491eabefb9a4c912bed4eacc5d14fda0bf7d129dce0a9eef54de

  • SSDEEP

    768:D1WwJwLDhR0SKIBA8mKuwOC939D1U7QhCKSUqFd/8XztqQ0AiTnc5ui:wwEhxURwnpDU7mNSUqFdW8Q0M5ui

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.

  • Loads dropped DLL 2 IoCs
  • Unexpected DNS network traffic destination 1 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • Drops file in System32 directory 8 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3424
      • C:\Users\Admin\AppData\Local\Temp\1b78c272c9c173e039fe5496ccb1d5f6_JaffaCakes118.exe
        "C:\Users\Admin\AppData\Local\Temp\1b78c272c9c173e039fe5496ccb1d5f6_JaffaCakes118.exe"
        2⤵
        • Loads dropped DLL
        • Drops file in System32 directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:3296
    • 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 --field-trial-handle=1300,i,18168883380598738769,14202261231630113808,262144 --variations-seed-version --mojo-platform-channel-handle=4240 /prefetch:8
      1⤵
        PID:944

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Windows\SysWOW64\hujuseke

        Filesize

        1KB

        MD5

        b7abf38b1b9dfdf2d47d2ef90ca580e7

        SHA1

        6166db6f9225fe7afdd2b57cec37ab6a0570fcd7

        SHA256

        68267f87a6209a304f992bc9fe10074910938c12895bc8870945ad50c84a0efe

        SHA512

        b4ad5992f3b9a5c2672ee99d1208c226ecbd7cc7d73636e286399204c8fb80d3af47683f295f57f1b027b31cc2d7a28e746f54e91c327236105df7edeafa7873

      • C:\Windows\SysWOW64\sikefilo.dll

        Filesize

        51KB

        MD5

        0c23a9ae675823f3c4f9c0497bfde058

        SHA1

        c80d31dadff02f808ef6b3085dfb7e687ed279d3

        SHA256

        31872f793cbdf145213a8cc786d46dd9580c8b42f561ea074d8bd02df6640128

        SHA512

        70e9c3de6bfcc258e8f3255763127c3e4f58076109cf29cd55d2b39ac7721103eef7986d6065b4c85c891ab32cb92ea39080c024197b3f12282adf3258342656

      • memory/3296-1-0x0000000010000000-0x000000001002E000-memory.dmp

        Filesize

        184KB

      • memory/3296-0-0x000000001001F000-0x000000001002A000-memory.dmp

        Filesize

        44KB

      • memory/3296-22-0x0000000010000000-0x000000001002E000-memory.dmp

        Filesize

        184KB

      • memory/3296-24-0x0000000002320000-0x000000000234E000-memory.dmp

        Filesize

        184KB

      • memory/3296-26-0x0000000002320000-0x000000000234E000-memory.dmp

        Filesize

        184KB