Analysis

  • max time kernel
    141s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/06/2024, 17:33

General

  • Target
    16e19dfeb17bbb22ec5bdca1274a3bef_JaffaCakes118.exe
  • Size 862KB
  • Sample240627-v4v43athmk
  • SHA256 00c22d227b4a7b22653b6a85aeb08b9eaa214a85aa651e41cb42e1c7fd1aa24c
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Detect Neshta payload 4 IoCs
  • Neshta

    Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\16e19dfeb17bbb22ec5bdca1274a3bef_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\16e19dfeb17bbb22ec5bdca1274a3bef_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Modifies system executable filetype association
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:4956
    • C:\Users\Admin\AppData\Local\Temp\3582-490\16e19dfeb17bbb22ec5bdca1274a3bef_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\16e19dfeb17bbb22ec5bdca1274a3bef_JaffaCakes118.exe"
      2⤵
      • Executes dropped EXE
      PID:2032
  • 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=3240,i,17096020621006928097,15544233752327415349,262144 --variations-seed-version --mojo-platform-channel-handle=4360 /prefetch:8
    1⤵
      PID:748

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          ACROTE~1.EXE

          • Path C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE
          • Size 86KB
          • SHA256 ded54d1fcca07b6bff2bc3b9a1131eac29ff1f836e5d7a7c5c325ec5abe96e29
          • MD5 SHA1 SHA512 SSDEEP

          16e19dfeb17bbb22ec5bdca1274a3bef_JaffaCakes118.exe

          • Path C:\Users\Admin\AppData\Local\Temp\3582-490\16e19dfeb17bbb22ec5bdca1274a3bef_JaffaCakes118.exe
          • Size 822KB
          • SHA256 2a55778fab2770492b01d600d609236a80183653cd78e5833407ce01efc93d5c
          • MD5 SHA1 SHA512 SSDEEP

          memory/2032-9-0x00000000006F0000-0x00000000006F1000-memory.dmp

          memory/2032-108-0x0000000000400000-0x00000000004D9000-memory.dmp

          memory/2032-113-0x00000000006F0000-0x00000000006F1000-memory.dmp

          memory/4956-107-0x0000000000400000-0x000000000041B000-memory.dmp

          memory/4956-109-0x0000000000400000-0x000000000041B000-memory.dmp

          memory/4956-112-0x0000000000400000-0x000000000041B000-memory.dmp