Analysis

  • max time kernel
    145s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/05/2024, 22:10

General

  • Target
    5a73db24088469cccc6b63e23d3f1fa72abbc45d4e73d9e1c632bd0c288a6dea.exe
  • Size 3.1MB
  • Sample240503-13e94sff5w
  • SHA256 5a73db24088469cccc6b63e23d3f1fa72abbc45d4e73d9e1c632bd0c288a6dea
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Detect Neshta payload 15 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 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5a73db24088469cccc6b63e23d3f1fa72abbc45d4e73d9e1c632bd0c288a6dea.exe
    "C:\Users\Admin\AppData\Local\Temp\5a73db24088469cccc6b63e23d3f1fa72abbc45d4e73d9e1c632bd0c288a6dea.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:4596
    • C:\Users\Admin\AppData\Local\Temp\3582-490\5a73db24088469cccc6b63e23d3f1fa72abbc45d4e73d9e1c632bd0c288a6dea.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\5a73db24088469cccc6b63e23d3f1fa72abbc45d4e73d9e1c632bd0c288a6dea.exe"
      2⤵
      • Executes dropped EXE
      PID:3012
  • 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=3792 --field-trial-handle=2356,i,13261194862334667799,7441241219475888176,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:2316

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          AcroRd32.exe

          • Path C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroRd32.exe
          • Size 2.4MB
          • SHA256 8268d3fefe8ca96a25a73690d14bacf644170ab5e9e70d2f8eeb350a4c83f9f6
          • MD5 SHA1 SHA512 SSDEEP

          5a73db24088469cccc6b63e23d3f1fa72abbc45d4e73d9e1c632bd0c288a6dea.exe

          • Path C:\Users\Admin\AppData\Local\Temp\3582-490\5a73db24088469cccc6b63e23d3f1fa72abbc45d4e73d9e1c632bd0c288a6dea.exe
          • Size 3.1MB
          • SHA256 3ee44e375c6d99cdeab14081460ecd20d8db658a4d4e1ab419e808cb54a11b3f
          • MD5 SHA1 SHA512 SSDEEP

          memory/4596-124-0x0000000000400000-0x000000000041B000-memory.dmp

          memory/4596-125-0x0000000000400000-0x000000000041B000-memory.dmp

          memory/4596-120-0x0000000000400000-0x000000000041B000-memory.dmp

          memory/4596-121-0x0000000000400000-0x000000000041B000-memory.dmp

          memory/4596-122-0x0000000000400000-0x000000000041B000-memory.dmp

          memory/4596-123-0x0000000000400000-0x000000000041B000-memory.dmp

          memory/4596-12-0x0000000000400000-0x000000000041B000-memory.dmp

          memory/4596-105-0x0000000000400000-0x000000000041B000-memory.dmp

          memory/4596-126-0x0000000000400000-0x000000000041B000-memory.dmp

          memory/4596-127-0x0000000000400000-0x000000000041B000-memory.dmp

          memory/4596-128-0x0000000000400000-0x000000000041B000-memory.dmp

          memory/4596-129-0x0000000000400000-0x000000000041B000-memory.dmp

          memory/4596-130-0x0000000000400000-0x000000000041B000-memory.dmp

          memory/4596-131-0x0000000000400000-0x000000000041B000-memory.dmp