Analysis

  • max time kernel
    142s
  • max time network
    163s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/06/2024, 01:31

General

  • Target

    8c772b7670b396311dada06ee1897f6a_JaffaCakes118.exe

  • Size

    84KB

  • MD5

    8c772b7670b396311dada06ee1897f6a

  • SHA1

    cb133c3c7c681521531813ca939dee05d3de4b88

  • SHA256

    7d544935866dfd68b1412a1ddeaa5c37e61d1447ce98ab1d742c2fc62c9acb73

  • SHA512

    f512a5e16aa8d84eec213258d73cafc57796bcaeb664d7052f901d0f7b5abd4a1203c31a8779cd3a53d0f2316a6535ba5db9eec1d31c27451f71bf2da5f2affb

  • SSDEEP

    1536:gPUg3lR8iT9XUJi6NhqKV2oCTGKuX5lYxjAJgO4djPgdNRuEOR2nI67KPiZ:g33lR8Q9kJNNh34TC5GxjXOqoRujR2nV

Malware Config

Signatures

  • UPX packed file 5 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

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

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

  • Suspicious behavior: LoadsDriver 6 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8c772b7670b396311dada06ee1897f6a_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\8c772b7670b396311dada06ee1897f6a_JaffaCakes118.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:1152
  • 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=3772 --field-trial-handle=2692,i,8678872182442199182,12502579059484928042,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:1588

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Windows\8c772b7670b396311dada06ee1897f6a_jaffacakes118.exe

            Filesize

            84KB

            MD5

            8c772b7670b396311dada06ee1897f6a

            SHA1

            cb133c3c7c681521531813ca939dee05d3de4b88

            SHA256

            7d544935866dfd68b1412a1ddeaa5c37e61d1447ce98ab1d742c2fc62c9acb73

            SHA512

            f512a5e16aa8d84eec213258d73cafc57796bcaeb664d7052f901d0f7b5abd4a1203c31a8779cd3a53d0f2316a6535ba5db9eec1d31c27451f71bf2da5f2affb

          • memory/1152-0-0x0000000000400000-0x0000000000426000-memory.dmp

            Filesize

            152KB

          • memory/1152-2-0x0000000000400000-0x0000000000426000-memory.dmp

            Filesize

            152KB

          • memory/1152-9-0x0000000000400000-0x0000000000426000-memory.dmp

            Filesize

            152KB

          • memory/1152-13-0x0000000000400000-0x0000000000426000-memory.dmp

            Filesize

            152KB