Analysis

  • max time kernel
    93s
  • max time network
    95s
  • 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 20:08

General

  • Target

    2ac6499d350ba13cfdb6f1e24be069e274b8cf063b7b5ffe6ed93ddd3820d804N.exe

  • Size

    3.0MB

  • MD5

    1deecc2f7732b31aa8971a8bed015f20

  • SHA1

    dd6bd45a434217f1cbcbda8cdea8cdfc66c841ce

  • SHA256

    2ac6499d350ba13cfdb6f1e24be069e274b8cf063b7b5ffe6ed93ddd3820d804

  • SHA512

    dae380f0a563d67686b8cdb7863809f64dd0f69eaf364d786cccc702c73c0902ed425d27a5bddbaa99b7c4ecac618b45258bcd834b352b3b5c38452086d33d01

  • SSDEEP

    49152:ftLBcXqFpBR6SVb8kq4pgquLMMji4NYxtJpkxhGjIHTbd333p7Wd:ftLutqgwh4NYxtJpkxhGO3334

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 2 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
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2ac6499d350ba13cfdb6f1e24be069e274b8cf063b7b5ffe6ed93ddd3820d804N.exe
    "C:\Users\Admin\AppData\Local\Temp\2ac6499d350ba13cfdb6f1e24be069e274b8cf063b7b5ffe6ed93ddd3820d804N.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
    • Suspicious use of WriteProcessMemory
    PID:4816
    • C:\Users\Admin\AppData\Local\Temp\3582-490\2ac6499d350ba13cfdb6f1e24be069e274b8cf063b7b5ffe6ed93ddd3820d804N.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\2ac6499d350ba13cfdb6f1e24be069e274b8cf063b7b5ffe6ed93ddd3820d804N.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3236

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\2ac6499d350ba13cfdb6f1e24be069e274b8cf063b7b5ffe6ed93ddd3820d804N.exe

    Filesize

    3.0MB

    MD5

    2a604671751dab404578b623d27de8ad

    SHA1

    7a1d2314bdbf4e5f779c71c79f005e66279a2be0

    SHA256

    f10e5f6463e960b66f7f70b32005fe95fca7133e3d5f44982d2003fac13a2a8f

    SHA512

    a09e1bd591af61537136b083a736be98746ddfe0534085e41bc469c53bee1e62839a07f0815b2730838f79d53ff6a35638be4827c81d6a4f49142c3643f91674

  • memory/3236-11-0x0000000000A30000-0x0000000000A31000-memory.dmp

    Filesize

    4KB

  • memory/3236-96-0x0000000000400000-0x000000000070B000-memory.dmp

    Filesize

    3.0MB

  • memory/4816-97-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4816-98-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4816-100-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB