Analysis

  • max time kernel
    141s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-06-2024 02:00

General

  • Target

    01df5020b696a3ab25c65014b4133546_JaffaCakes118.exe

  • Size

    236KB

  • MD5

    01df5020b696a3ab25c65014b4133546

  • SHA1

    d128b8dcf9c705c47a4995058e1220f069cb061c

  • SHA256

    e26c5441b5ac8ea233e7140148cc48e6b143fab9e39637a736e3a5a3facbacde

  • SHA512

    b9f7a608893e9f84155ee5b7c03ee29d301697301cecf258a597d3f37f77c3cbd2c1855f3632066bb5b47fc1ac01c48792f07ba2dff4aa6effc9817977eb02b6

  • SSDEEP

    3072:dlELL7XOCw0xQCdMey44tVkZj+8FzB7C1XWLmjPUXiYR8Pyqsknvo/jRw0ALmPKT:23kOMeaavF17EP6qyqskAdw0pST

Malware Config

Signatures

  • UPX packed file 5 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\01df5020b696a3ab25c65014b4133546_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\01df5020b696a3ab25c65014b4133546_JaffaCakes118.exe"
    1⤵
    • Enumerates connected drives
    • Writes to the Master Boot Record (MBR)
    • Drops file in Program Files directory
    • Modifies system certificate store
    PID:4640
  • 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=1428,i,2029050989380753659,15333598055019363793,262144 --variations-seed-version --mojo-platform-channel-handle=3928 /prefetch:8
    1⤵
      PID:4616

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/4640-0-0x0000000000400000-0x0000000000488000-memory.dmp

      Filesize

      544KB

    • memory/4640-11-0x0000000000400000-0x0000000000488000-memory.dmp

      Filesize

      544KB

    • memory/4640-12-0x0000000000400000-0x0000000000488000-memory.dmp

      Filesize

      544KB

    • memory/4640-16-0x0000000000400000-0x0000000000488000-memory.dmp

      Filesize

      544KB

    • memory/4640-18-0x0000000000400000-0x0000000000488000-memory.dmp

      Filesize

      544KB