Analysis

  • max time kernel
    149s
  • max time network
    128s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-07-2024 10:12

General

  • Target

    258fab83ba9f70b215e2389a2d4c0878_JaffaCakes118.exe

  • Size

    41KB

  • MD5

    258fab83ba9f70b215e2389a2d4c0878

  • SHA1

    88dd7dab5ebd2e39157eea16f17c157bbe6bf2b4

  • SHA256

    bacbf58054cb51e006d01ce90695ca493c5e2328e07f86f784e2e7bc124a395d

  • SHA512

    9184061d1a5b62a5286dce4f22c5171669f48db480c6562168ba8238022361c3c279f0ec79643a40382b4b3d929dba505362481f726f263c0cff885177209f05

  • SSDEEP

    768:kf1Y9RRw/dUT6vurGd/pkUOyGAv+rCBsPGTWikRyyjvylHlyQ:GY9jw/dUT62rGdiUOWWrC6P6Tp

Score
10/10

Malware Config

Signatures

  • Upatre

    Upatre is a generic malware downloader.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\258fab83ba9f70b215e2389a2d4c0878_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\258fab83ba9f70b215e2389a2d4c0878_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:64
    • C:\Users\Admin\AppData\Local\Temp\szgfw.exe
      "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
      2⤵
      • Executes dropped EXE
      PID:3924
  • 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=1392,i,1809100026287847100,9768898026582633513,262144 --variations-seed-version --mojo-platform-channel-handle=3964 /prefetch:8
    1⤵
      PID:4288

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\szgfw.exe

      Filesize

      41KB

      MD5

      6ff65ffc15949cd2db042ed476f7b0e6

      SHA1

      46644e8fbfe1d8dc6960fd9a48333908ab5d5bf7

      SHA256

      31cd7bc9f75fc81272d0dab3bbbd5592fbdc0e73aa93cf621008c9275bcfe0e6

      SHA512

      7aef10291962cf5a89cb3e8b50879a3b0a8207a56f5cbcbd3862bf60b4830b44c9290c1e7687114cb8a46407011850b4eca13fcff5af09d6f8d7026288c618e8

    • memory/64-0-0x0000000000490000-0x0000000000491000-memory.dmp

      Filesize

      4KB

    • memory/64-9-0x0000000000400000-0x0000000000409000-memory.dmp

      Filesize

      36KB

    • memory/3924-10-0x0000000000400000-0x0000000000409000-memory.dmp

      Filesize

      36KB