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Analysis

  • max time kernel
    152s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/06/2024, 23:27

General

  • Target

    13e08a76d492d8c3855e8dabe9f552c3_JaffaCakes118.dll

  • Size

    30KB

  • MD5

    13e08a76d492d8c3855e8dabe9f552c3

  • SHA1

    76a2206828de98c9dbf7b49334683e65df7c6065

  • SHA256

    009708a99a9ee43aa872ee280d8f533f3fdf44f8cf442e495a2da256d89d65cd

  • SHA512

    91eb470972d8ea3d1c3d437da8140e0b699323927976dba0f9b407d87cdbd6e7b6a433178eed4d887a6b08868c34600ea3059a12fceb0a639e2c0a0116149404

  • SSDEEP

    768:P8r2oVHxstDY0UgrLuusF61RBKw7AK7/gFLQ8i+acOcL:oHGdSqNsF61RBKwMKDgBQH+TdL

Malware Config

Signatures

  • Loads dropped DLL 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs
  • Drops file in Windows directory 4 IoCs
  • Access Token Manipulation: Create Process with Token 1 TTPs 1 IoCs
  • Modifies registry class 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\13e08a76d492d8c3855e8dabe9f552c3_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2388
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\13e08a76d492d8c3855e8dabe9f552c3_JaffaCakes118.dll,#1
      2⤵
      • Drops file in Windows directory
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:2548
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32 "C:\Windows\twan32.dll",_RunAs@16
        3⤵
        • Loads dropped DLL
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • Drops file in Windows directory
        • Access Token Manipulation: Create Process with Token
        • Suspicious behavior: EnumeratesProcesses
        PID:1592
  • 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=4264 --field-trial-handle=2692,i,8678872182442199182,12502579059484928042,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:624

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Windows\twan32.dll

      Filesize

      30KB

      MD5

      13e08a76d492d8c3855e8dabe9f552c3

      SHA1

      76a2206828de98c9dbf7b49334683e65df7c6065

      SHA256

      009708a99a9ee43aa872ee280d8f533f3fdf44f8cf442e495a2da256d89d65cd

      SHA512

      91eb470972d8ea3d1c3d437da8140e0b699323927976dba0f9b407d87cdbd6e7b6a433178eed4d887a6b08868c34600ea3059a12fceb0a639e2c0a0116149404

    • memory/1592-5-0x0000000010000000-0x0000000010058000-memory.dmp

      Filesize

      352KB

    • memory/1592-7-0x0000000010000000-0x0000000010058000-memory.dmp

      Filesize

      352KB

    • memory/2548-0-0x0000000010000000-0x0000000010058000-memory.dmp

      Filesize

      352KB

    • memory/2548-6-0x0000000010000000-0x0000000010058000-memory.dmp

      Filesize

      352KB