Analysis

  • max time kernel
    142s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-06-2024 12:55

General

  • Target

    02384e3d26963deb41905f2ad34e4aa7_JaffaCakes118.dll

  • Size

    376KB

  • MD5

    02384e3d26963deb41905f2ad34e4aa7

  • SHA1

    fc5973f87fd3fc370fa2844514f47e8921a7c6fd

  • SHA256

    6fabb8bc7d0280fd12133c4ca81ce51876a5843baf9e1d17072ff73501332b57

  • SHA512

    3157e4552900a6246f5988632bb926392d22d90aa67d54209cc68252df027d0e77256c98f9b4bfbf53056ce62aac5b989da76fd1351cc4d863eeec48d943ec18

  • SSDEEP

    6144:vO3tqChr6sWEFggdltO07/1S0uFMCNLXu4fh9Eo7ZQpa:vTChr6sWEF3FE0uFMCNL+ehGjpa

Malware Config

Signatures

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Installs/modifies Browser Helper Object 2 TTPs 2 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

  • Modifies Internet Explorer settings 1 TTPs 41 IoCs
  • Modifies registry class 5 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\02384e3d26963deb41905f2ad34e4aa7_JaffaCakes118.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2388
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\02384e3d26963deb41905f2ad34e4aa7_JaffaCakes118.dll
      2⤵
      • Adds Run key to start application
      • Installs/modifies Browser Helper Object
      • Modifies registry class
      PID:4660
  • C:\Program Files (x86)\Internet Explorer\ielowutil.exe
    "C:\Program Files (x86)\Internet Explorer\ielowutil.exe" -CLSID:{0002DF01-0000-0000-C000-000000000046} -Embedding
    1⤵
      PID:4160
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
      1⤵
      • Modifies Internet Explorer settings
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1592
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1592 CREDAT:17410 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:4604
    • 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=4140 --field-trial-handle=2692,i,8678872182442199182,12502579059484928042,262144 --variations-seed-version /prefetch:8
      1⤵
        PID:3824

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

        Filesize

        471B

        MD5

        39789013e9648787db5932ed94566836

        SHA1

        eadc0fa76b355ff12c1c740cb36963d6c0b46ade

        SHA256

        7e65804748310831cd8d58de2c6c1917cd75ee004ffeb74b6b876dc8aa840f83

        SHA512

        014945d6958c8866dd112feb5c9f47434e81c4f675f02f7d52063a2944f3c1e1c6bce81d014f7e5ca60323bbb1a52dd8fd41f30279b80d356e2213338ccd348e

      • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

        Filesize

        404B

        MD5

        86492983a157a0e8ae72e2f1a58576bb

        SHA1

        c82bc10e33ebcddad49908ca3cdabd0d5506ca42

        SHA256

        077b892f3e4f4f4a50f3bcb8e42cff27a705ee4f3d58bd5af9f6bc9a45dc7f16

        SHA512

        80a4c8f94b587af0153cdb5a07c896a28cfbb41d9ff30bf8a68dc0249aecda0615ec74b5c8fb1fecc031cd758433f63bf53cbdba8061417e9d6a1a7a0ce96b24

      • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\X0OFMNIL\suggestions[1].en-US

        Filesize

        17KB

        MD5

        5a34cb996293fde2cb7a4ac89587393a

        SHA1

        3c96c993500690d1a77873cd62bc639b3a10653f

        SHA256

        c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

        SHA512

        e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee