Analysis

  • max time kernel
    93s
  • max time network
    94s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-12-2024 01:50

General

  • Target

    dee0fbdedeb3df58a3435837843a01d9c811460ee37a6a09b103320bc9bae8b0N.exe

  • Size

    2.3MB

  • MD5

    7044d468183f0d312231ea4c8d2212b0

  • SHA1

    fc1e20f6df55c434159e0feded28d2b054f82739

  • SHA256

    dee0fbdedeb3df58a3435837843a01d9c811460ee37a6a09b103320bc9bae8b0

  • SHA512

    c4e6c6de03bd87040084412e4d26ce15c454d66801c1f1f1153bb542d245531e09dc26034586fe864f2aee6c565eaa9287d2a57ee3cf8a6e73738d871edb38bb

  • SSDEEP

    24576:vtDCmvRryL788Nilnsztr3xJ/xzQlfx5qDgFC+txj6wM0k8wGO:1CmvRXLS13/xzQhxMDiXt/Op

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.

  • Executes dropped EXE 1 IoCs
  • 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\dee0fbdedeb3df58a3435837843a01d9c811460ee37a6a09b103320bc9bae8b0N.exe
    "C:\Users\Admin\AppData\Local\Temp\dee0fbdedeb3df58a3435837843a01d9c811460ee37a6a09b103320bc9bae8b0N.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:4612
    • C:\Users\Admin\AppData\Local\Temp\3582-490\dee0fbdedeb3df58a3435837843a01d9c811460ee37a6a09b103320bc9bae8b0N.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\dee0fbdedeb3df58a3435837843a01d9c811460ee37a6a09b103320bc9bae8b0N.exe"
      2⤵
      • Executes dropped EXE
      PID:4560

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\dee0fbdedeb3df58a3435837843a01d9c811460ee37a6a09b103320bc9bae8b0N.exe

    Filesize

    2.3MB

    MD5

    5fcca6ccc83a8df497470ffc16f3fdfe

    SHA1

    b3c2fbc629fcf98a8b918f5df407a97253dd0759

    SHA256

    c527165445068cf1c1313c06c06bf644a8adc20c92bc87042bc0c981955d6bb2

    SHA512

    b7902db43c575607d44d50d4e6780b66ae513f3fa9f6bba4d5e1bc854f8a501ba78dfe6e0c8b0f2af8634ed25043ee8b611b40177ff9430ec236c7dcb74a2d1a

  • memory/4612-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4612-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4612-97-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB