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Analysis

  • max time kernel
    147s
  • max time network
    171s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240319-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240319-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/04/2024, 00:04

General

  • Target

    e39b300faf337696bac224f77cbb4181_JaffaCakes118.exe

  • Size

    60KB

  • MD5

    e39b300faf337696bac224f77cbb4181

  • SHA1

    4c816524f29b0fbcbefdc2c0038b4dfbca5e4fd1

  • SHA256

    d5a34c9fd0b7f8fc33afbf0dc4f666454f31533d3a95a6e69de8eb2524003314

  • SHA512

    b10f414a735c25efcf56063ff20ce5e4740c9672b22dedbd678649633485fca764844ab5f9ba9b7a95aeecd1080851ef8cdefb1e3ab2fa8d551a62ebcfc4671f

  • SSDEEP

    768:FT6N6V3sLiS2tCd50MSCyfYKwtSRcltFO56VL6yjxYRlUYyiKoqQzstdwRt:FHNsLi1Cr0THCSirFO56Ln9YzUsTzRt

Score
8/10

Malware Config

Signatures

  • Adds policy Run key to start application 2 TTPs 4 IoCs
  • Executes dropped EXE 1 IoCs
  • Modifies data under HKEY_USERS 9 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e39b300faf337696bac224f77cbb4181_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\e39b300faf337696bac224f77cbb4181_JaffaCakes118.exe"
    1⤵
    • Adds policy Run key to start application
    • Modifies data under HKEY_USERS
    • Suspicious use of WriteProcessMemory
    PID:4612
    • C:\Users\Admin\LOCALS~1\APPLIC~1\MICROS~1\sessmgr.exe
      C:\Users\Admin\LOCALS~1\APPLIC~1\MICROS~1\sessmgr.exe /waitservice
      2⤵
      • Executes dropped EXE
      PID:2960
  • 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=2284,i,13100272738549420251,6151825632958897606,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:4876

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\MICROS~1\esentutl.exe

      Filesize

      60KB

      MD5

      e39b300faf337696bac224f77cbb4181

      SHA1

      4c816524f29b0fbcbefdc2c0038b4dfbca5e4fd1

      SHA256

      d5a34c9fd0b7f8fc33afbf0dc4f666454f31533d3a95a6e69de8eb2524003314

      SHA512

      b10f414a735c25efcf56063ff20ce5e4740c9672b22dedbd678649633485fca764844ab5f9ba9b7a95aeecd1080851ef8cdefb1e3ab2fa8d551a62ebcfc4671f