Analysis

  • max time kernel
    150s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-09-2024 02:56

General

  • Target

    d58c2551b08278017175837de41fa2f8_JaffaCakes118.exe

  • Size

    37KB

  • MD5

    d58c2551b08278017175837de41fa2f8

  • SHA1

    ead9a962150c76f83c5923ac991b97278b7b78f7

  • SHA256

    6f42fed72d035eba81d52fa01f2cb8443594438e95774fd22c4a9b154c7027aa

  • SHA512

    6fcf497f7c411b424a08059c8854e6956064a31c648c0eb0ff0070fbc9f9ef4a7818c904190b4cb0f4afe8a8b8acb7126b7ba0acccc834094d9497de0143dc5e

  • SSDEEP

    384:VvdCKMizd3jnBhFbJ8ycPj93tRwympwrAF+rMRTyN/0L+EcoinblneHQM3epzXZa:HCg3lLJfcPj9XNmSrM+rMRa8NuH141t

Malware Config

Signatures

  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Drops startup file 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 35 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d58c2551b08278017175837de41fa2f8_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\d58c2551b08278017175837de41fa2f8_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2512
    • C:\Users\Admin\AppData\Local\Temp\server.exe
      "C:\Users\Admin\AppData\Local\Temp\server.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4844
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:3400
  • 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=4300,i,2904906934812054273,11716976550456127484,262144 --variations-seed-version --mojo-platform-channel-handle=1424 /prefetch:8
    1⤵
      PID:3676

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

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

      Filesize

      37KB

      MD5

      d58c2551b08278017175837de41fa2f8

      SHA1

      ead9a962150c76f83c5923ac991b97278b7b78f7

      SHA256

      6f42fed72d035eba81d52fa01f2cb8443594438e95774fd22c4a9b154c7027aa

      SHA512

      6fcf497f7c411b424a08059c8854e6956064a31c648c0eb0ff0070fbc9f9ef4a7818c904190b4cb0f4afe8a8b8acb7126b7ba0acccc834094d9497de0143dc5e

    • memory/2512-0-0x0000000075432000-0x0000000075433000-memory.dmp

      Filesize

      4KB

    • memory/2512-1-0x0000000075430000-0x00000000759E1000-memory.dmp

      Filesize

      5.7MB

    • memory/2512-2-0x0000000075430000-0x00000000759E1000-memory.dmp

      Filesize

      5.7MB

    • memory/2512-12-0x0000000075430000-0x00000000759E1000-memory.dmp

      Filesize

      5.7MB

    • memory/4844-13-0x0000000075430000-0x00000000759E1000-memory.dmp

      Filesize

      5.7MB

    • memory/4844-14-0x0000000075430000-0x00000000759E1000-memory.dmp

      Filesize

      5.7MB

    • memory/4844-16-0x0000000075430000-0x00000000759E1000-memory.dmp

      Filesize

      5.7MB