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Analysis

  • max time kernel
    94s
  • 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
    20/01/2025, 21:16

General

  • Target

    2fa561c2f9a048fad577e171947a3f1939c1bf4660626db6e8829f1ef14ddff4N.exe

  • Size

    94KB

  • MD5

    812b9a256999c63a9177e5c2c5fa24f0

  • SHA1

    140c170ccaf1093fccffe9b59d22619cdaf277d0

  • SHA256

    2fa561c2f9a048fad577e171947a3f1939c1bf4660626db6e8829f1ef14ddff4

  • SHA512

    7f173263c2f525f3c300dda518faea3fd33927a135d2bad605a2d039201707432d564b00435e0e7d2152981a9a468815c621ec79bb1f88c0e792a1a9c114ec3b

  • SSDEEP

    1536:JxqjQ+P04wsmJCy76cEQv4VjP9mstd4MBeLfrWog+no76I:sr85CyHEQi9msd7BefrW6oP

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
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2fa561c2f9a048fad577e171947a3f1939c1bf4660626db6e8829f1ef14ddff4N.exe
    "C:\Users\Admin\AppData\Local\Temp\2fa561c2f9a048fad577e171947a3f1939c1bf4660626db6e8829f1ef14ddff4N.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:3236
    • C:\Users\Admin\AppData\Local\Temp\3582-490\2fa561c2f9a048fad577e171947a3f1939c1bf4660626db6e8829f1ef14ddff4N.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\2fa561c2f9a048fad577e171947a3f1939c1bf4660626db6e8829f1ef14ddff4N.exe"
      2⤵
      • Executes dropped EXE
      PID:5056

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\2fa561c2f9a048fad577e171947a3f1939c1bf4660626db6e8829f1ef14ddff4N.exe

    Filesize

    54KB

    MD5

    40b3b2306792473f3201835c1ac9d65b

    SHA1

    9bc62a41f3ae48179125e8f25aa747c4bffa8138

    SHA256

    839afd99d03c6be781e4ea2359fb4ad8de8baca24cdbfa589c480b7f51740ad0

    SHA512

    0654c84922cad70d18a3a47ef34fe7b9ffc632a8f032baef09e88968c18e9abf1f57b03ddc18fd8395e118dd161450d0b419189d6ba244e3b82a1ce3e0446596

  • memory/3236-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3236-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3236-98-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB