Analysis

  • max time kernel
    152s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/04/2024, 14:13

General

  • Target

    f1405c977dd54d0ed283a0feb832c0e7_JaffaCakes118.dll

  • Size

    37KB

  • MD5

    f1405c977dd54d0ed283a0feb832c0e7

  • SHA1

    58d682550e8accfb5d2da1618829ee042775c583

  • SHA256

    ebea03039b183a5fac62680968d3d69f632dead8779c527ffb4ab9493a7db2e0

  • SHA512

    9cb5cc2c819873fae69d055971826a1fa1e335a8d2742199170bd1d71128a5ad14078a58372b9c33e41a8845e3d6852900685d513276a0df7635dea176b84087

  • SSDEEP

    768:38XScD1GgWStNQJVlwsT9WTqoc3a8qJzNA:sSm1GgNoCKWokRA

Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in System32 directory 2 IoCs
  • Modifies registry class 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\winlogon.exe
    winlogon.exe
    1⤵
      PID:616
    • C:\Windows\system32\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\f1405c977dd54d0ed283a0feb832c0e7_JaffaCakes118.dll,#1
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:1596
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe C:\Users\Admin\AppData\Local\Temp\f1405c977dd54d0ed283a0feb832c0e7_JaffaCakes118.dll,#1
        2⤵
        • Loads dropped DLL
        • Drops file in System32 directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: RenamesItself
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:3928
        • C:\Windows\SysWOW64\rundll32.exe
          rundll32.exe C:\Windows\system32\qoMggefF.dll,a
          3⤵
          • Loads dropped DLL
          • Adds Run key to start application
          • Modifies registry class
          • Suspicious behavior: EnumeratesProcesses
          PID:4372
    • 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=1344 --field-trial-handle=2236,i,5367110156796017614,12594004256180761011,262144 --variations-seed-version /prefetch:8
      1⤵
        PID:3708

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Windows\SysWOW64\qoMggefF.dll

        Filesize

        37KB

        MD5

        f1405c977dd54d0ed283a0feb832c0e7

        SHA1

        58d682550e8accfb5d2da1618829ee042775c583

        SHA256

        ebea03039b183a5fac62680968d3d69f632dead8779c527ffb4ab9493a7db2e0

        SHA512

        9cb5cc2c819873fae69d055971826a1fa1e335a8d2742199170bd1d71128a5ad14078a58372b9c33e41a8845e3d6852900685d513276a0df7635dea176b84087

      • memory/3928-0-0x0000000010000000-0x0000000010010000-memory.dmp

        Filesize

        64KB

      • memory/3928-1-0x0000000000DB0000-0x0000000000DB6000-memory.dmp

        Filesize

        24KB

      • memory/3928-8-0x0000000002B40000-0x0000000002B50000-memory.dmp

        Filesize

        64KB

      • memory/3928-9-0x0000000002B50000-0x0000000002B56000-memory.dmp

        Filesize

        24KB

      • memory/3928-10-0x0000000010000000-0x0000000010010000-memory.dmp

        Filesize

        64KB

      • memory/3928-14-0x0000000000DB0000-0x0000000000DB6000-memory.dmp

        Filesize

        24KB

      • memory/4372-19-0x0000000010000000-0x0000000010010000-memory.dmp

        Filesize

        64KB

      • memory/4372-20-0x0000000001320000-0x0000000001326000-memory.dmp

        Filesize

        24KB

      • memory/4372-21-0x0000000010000000-0x0000000010010000-memory.dmp

        Filesize

        64KB