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Analysis

  • max time kernel
    140s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/06/2024, 08:01

General

  • Target

    0435ba10a584dcacf6b1fdc6f51714ec_JaffaCakes118.exe

  • Size

    236KB

  • MD5

    0435ba10a584dcacf6b1fdc6f51714ec

  • SHA1

    15047bce7b5e785023df876ae4b4f192591e4c88

  • SHA256

    f45d56564d6ee2792f8f613afbd2c50e8334b30437557ad2fe8760e7fbfb78a4

  • SHA512

    fe4d8fa26642d807f98c965b64df449e7ed57ac87b9f3eb429b2233dd35d8db761faa0130b6477eae818333e9732de19ccc87fbe518f0e746bf8c64a28ac2e26

  • SSDEEP

    3072:rlELL7XOCw0xQCdMey44tVkZj+8FzB7C1XWLmjPUXiYR8Pyqs82jj/AgwiQe9YJr:o3kOMeaavF17EP6qyqsTj/AgwiaLsC

Malware Config

Signatures

  • UPX packed file 6 IoCs

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

  • Enumerates connected drives 3 TTPs 21 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Drops file in Program Files directory 1 IoCs
  • Modifies system certificate store 2 TTPs 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0435ba10a584dcacf6b1fdc6f51714ec_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\0435ba10a584dcacf6b1fdc6f51714ec_JaffaCakes118.exe"
    1⤵
    • Enumerates connected drives
    • Writes to the Master Boot Record (MBR)
    • Drops file in Program Files directory
    • Modifies system certificate store
    PID:1640
  • 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=4360,i,17096020621006928097,15544233752327415349,262144 --variations-seed-version --mojo-platform-channel-handle=3820 /prefetch:8
    1⤵
      PID:1388

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1640-0-0x0000000000400000-0x0000000000488000-memory.dmp

      Filesize

      544KB

    • memory/1640-11-0x0000000000400000-0x0000000000488000-memory.dmp

      Filesize

      544KB

    • memory/1640-12-0x0000000000400000-0x0000000000488000-memory.dmp

      Filesize

      544KB

    • memory/1640-13-0x0000000000400000-0x0000000000488000-memory.dmp

      Filesize

      544KB

    • memory/1640-17-0x0000000000400000-0x0000000000488000-memory.dmp

      Filesize

      544KB

    • memory/1640-19-0x0000000000400000-0x0000000000488000-memory.dmp

      Filesize

      544KB