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
    26-11-2024 22:28

General

  • Target

    2cff782479041ef21aa980701aef08b990175e57d262bbad91dc119cdc959a82N.exe

  • Size

    6.8MB

  • MD5

    51b5fd8eb9b2cbf77b933672435329a0

  • SHA1

    674572d091e0b69839c98359aa9aa8696bbfe210

  • SHA256

    2cff782479041ef21aa980701aef08b990175e57d262bbad91dc119cdc959a82

  • SHA512

    0cb07c83293e18fbd14a9748cb9dad09b87e9bee8284755010f3d7aec6310c01de28031685848b58be3be4328eeb9713f56b5844b5b105bf74c8171d11b1c3c6

  • SSDEEP

    98304:jMMMMMMMMMMMMMMMMMMMMMMGfZZFHtdbyH9tTWOEWIgWf/QPDBpVFL/qg0P9ckrJ:mftHtdbym32veP9ckrmEyzRF4d

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\2cff782479041ef21aa980701aef08b990175e57d262bbad91dc119cdc959a82N.exe
    "C:\Users\Admin\AppData\Local\Temp\2cff782479041ef21aa980701aef08b990175e57d262bbad91dc119cdc959a82N.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:1612
    • C:\Users\Admin\AppData\Local\Temp\3582-490\2cff782479041ef21aa980701aef08b990175e57d262bbad91dc119cdc959a82N.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\2cff782479041ef21aa980701aef08b990175e57d262bbad91dc119cdc959a82N.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:4504

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\2cff782479041ef21aa980701aef08b990175e57d262bbad91dc119cdc959a82N.exe

    Filesize

    6.8MB

    MD5

    0ceeb3c890556c5d6f5b98b7f593a0b5

    SHA1

    e8672c2a890572d1f5611fec7fc0a27efee93f0a

    SHA256

    2caf173c423578b2b07716e1e9a1751379ab278dcd48085e592fde7ce3eff4f6

    SHA512

    0eb8dcebe403efa458563b1660d03eb32b1d2ec65e409e47b989e2c9051d85ee580862403dad92584887333c44036559af0f2e4515db105032352f3bae89cebc

  • memory/1612-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1612-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1612-98-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB