Analysis

  • max time kernel
    152s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/04/2024, 06:01

General

  • Target
    ccc56e2124769f030504f023baadaf0a_JaffaCakes118.exe
  • Size 26KB
  • Sample240405-gq2ssseb45
  • SHA256 c3ca008879db1055ddf46967f71f076689a83ec4543d6fe081c6b29658ff1e42
  • MD5 SHA1 SHA512 SSDEEP
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\ccc56e2124769f030504f023baadaf0a_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\ccc56e2124769f030504f023baadaf0a_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3168
    • C:\Users\Admin\AppData\Local\Temp\szgfw.exe
      "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
      2⤵
      • Executes dropped EXE
      PID:3004
  • 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=4136 --field-trial-handle=2744,i,16362475727591565961,3676688664819797550,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:3380

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          szgfw.exe

          • Path C:\Users\Admin\AppData\Local\Temp\szgfw.exe
          • Size 27KB
          • SHA256 fdb0eeb7554b1be7afa97e3a330a88efb243a2297d18468254038de83b4aaea1
          • MD5 SHA1 SHA512 SSDEEP

          memory/3004-10-0x0000000000400000-0x0000000000409000-memory.dmp

          memory/3168-0-0x0000000002150000-0x0000000002151000-memory.dmp

          memory/3168-9-0x0000000000400000-0x0000000000409000-memory.dmp