Analysis

  • max time kernel
    93s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-01-2025 17:40

General

  • Target

    7efa5551cf1719807ddd6eb2600285ea07bb6cce371e33b3d191098d9799e556.exe

  • Size

    147KB

  • MD5

    e2b74de0c1c63cdc282833f733ab028b

  • SHA1

    62611d95013f2edb41613f9552aeda5fa16ae3cf

  • SHA256

    7efa5551cf1719807ddd6eb2600285ea07bb6cce371e33b3d191098d9799e556

  • SHA512

    537a1dc1728e09769d0e3db44ce8b97bc02281ce40effd6f8110ec1ac3af2df4d53eb131f0763c68795eb4da290dceefc8c1cbfa7f4fa79093ec4cd2d855ccfb

  • SSDEEP

    1536:JxqjQ+P04wsmJCS3dUtDzDoqYa5K63dUTebVq/QgFwbioQ+qfcjwfQ+8iAWCV4TI:sr85CMUtfsqYapUTKUQRofADZaTHtSnr

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.

  • Neshta family
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Reads user/profile data of web browsers 3 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).

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

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

  • Modifies registry class 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7efa5551cf1719807ddd6eb2600285ea07bb6cce371e33b3d191098d9799e556.exe
    "C:\Users\Admin\AppData\Local\Temp\7efa5551cf1719807ddd6eb2600285ea07bb6cce371e33b3d191098d9799e556.exe"
    1⤵
    • Checks computer location settings
    • Modifies system executable filetype association
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    PID:708

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE

    Filesize

    86KB

    MD5

    3b73078a714bf61d1c19ebc3afc0e454

    SHA1

    9abeabd74613a2f533e2244c9ee6f967188e4e7e

    SHA256

    ded54d1fcca07b6bff2bc3b9a1131eac29ff1f836e5d7a7c5c325ec5abe96e29

    SHA512

    75959d4e8a7649c3268b551a2a378e6d27c0bfb03d2422ebeeb67b0a3f78c079473214057518930f2d72773ce79b106fd2d78405e8e3d8883459dcbb49c163c4

  • C:\Users\Admin\AppData\Local\Temp\3582-490\7efa5551cf1719807ddd6eb2600285ea07bb6cce371e33b3d191098d9799e556.exe

    Filesize

    107KB

    MD5

    4d83fe1a1ac7dea265e0ac44f9f6d2a7

    SHA1

    3116f19934a044b8104136660c684246a0ff1b8d

    SHA256

    4bda0021b6a429f735b803a43ad96dede83016f352d140c4a5e5e824d2e646c1

    SHA512

    f3bb0193c79c355ac6e0bb2f946d8257ecee60d78f5cb95e13ef91eb60bded6f239a1ddd3eeb40eb91b31469f54e9c6efa0630c22e629439829823fcfd0181ab

  • memory/708-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/708-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/708-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB