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Analysis

  • max time kernel
    149s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240704-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/07/2024, 15:55

General

  • Target

    28bc1957a358ee387f38a9ab87c9406f_JaffaCakes118.exe

  • Size

    344KB

  • MD5

    28bc1957a358ee387f38a9ab87c9406f

  • SHA1

    243a4444f83fbf612811209d49c3c31be440c4bf

  • SHA256

    a07f59f98713dac3d1fca666589763e9408d9ddf559e642682fbde2873f7c953

  • SHA512

    454b593389cc6cbd5e64a1693de48de6267011fce1824557764b9f521f09f98bd560e4948932722e4903e7ec2a4d63057be15e6136c360253bc3aeba7b98d288

  • SSDEEP

    6144:a8u1ZcjmBY+Msn4A6ne9OV8GPSkFFVc+5Ny84mSK/srm9Le/FXn:WcjG7fWeUV8ex664kKYLun

Score
8/10
upx

Malware Config

Signatures

  • Manipulates Digital Signatures 1 TTPs 1 IoCs

    Attackers can apply techniques such as changing the registry keys of authenticode & Cryptography to obtain their binary as valid.

  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in Program Files directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of SetWindowsHookEx 9 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\28bc1957a358ee387f38a9ab87c9406f_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\28bc1957a358ee387f38a9ab87c9406f_JaffaCakes118.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:5048
    • C:\PROGRA~3\UmEzI970vMFh.exe
      C:\PROGRA~3\UmEzI970vMFh.exe
      2⤵
      • Manipulates Digital Signatures
      • Drops file in Program Files directory
      • Modifies Internet Explorer settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:2184
  • 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 --field-trial-handle=4552,i,15168044379859864039,3380316340477469860,262144 --variations-seed-version --mojo-platform-channel-handle=3848 /prefetch:8
    1⤵
      PID:4084

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2184-17-0x0000000000400000-0x00000000004D7000-memory.dmp

      Filesize

      860KB

    • memory/2184-18-0x0000000000400000-0x00000000004D7000-memory.dmp

      Filesize

      860KB

    • memory/2184-47-0x0000000000400000-0x00000000004D7000-memory.dmp

      Filesize

      860KB

    • memory/2184-44-0x0000000000400000-0x00000000004D7000-memory.dmp

      Filesize

      860KB

    • memory/2184-4-0x0000000000400000-0x00000000004D7000-memory.dmp

      Filesize

      860KB

    • memory/2184-5-0x0000000000400000-0x00000000004D7000-memory.dmp

      Filesize

      860KB

    • memory/2184-11-0x0000000000400000-0x00000000004D7000-memory.dmp

      Filesize

      860KB

    • memory/2184-12-0x00000000025D0000-0x0000000002616000-memory.dmp

      Filesize

      280KB

    • memory/2184-13-0x00000000078E0000-0x0000000007D13000-memory.dmp

      Filesize

      4.2MB

    • memory/2184-14-0x0000000000400000-0x00000000004D7000-memory.dmp

      Filesize

      860KB

    • memory/2184-40-0x0000000000400000-0x00000000004D7000-memory.dmp

      Filesize

      860KB

    • memory/2184-21-0x0000000000400000-0x00000000004D7000-memory.dmp

      Filesize

      860KB

    • memory/2184-37-0x0000000000400000-0x00000000004D7000-memory.dmp

      Filesize

      860KB

    • memory/2184-24-0x0000000000400000-0x00000000004D7000-memory.dmp

      Filesize

      860KB

    • memory/2184-27-0x0000000000400000-0x00000000004D7000-memory.dmp

      Filesize

      860KB

    • memory/2184-31-0x0000000000400000-0x00000000004D7000-memory.dmp

      Filesize

      860KB

    • memory/2184-34-0x0000000000400000-0x00000000004D7000-memory.dmp

      Filesize

      860KB

    • memory/5048-0-0x00000000005C0000-0x00000000005C1000-memory.dmp

      Filesize

      4KB

    • memory/5048-1-0x0000000000400000-0x00000000004C9000-memory.dmp

      Filesize

      804KB

    • memory/5048-2-0x0000000000400000-0x00000000004D7000-memory.dmp

      Filesize

      860KB

    • memory/5048-3-0x0000000000400000-0x00000000004C9000-memory.dmp

      Filesize

      804KB