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 02:33

General

  • Target

    4e8a89a98873fbfc80574c92f6988bbc90a9efc39b072452f6199d4736e5c869.exe

  • Size

    494KB

  • MD5

    60763949f0479809ca99b548323ba85c

  • SHA1

    91b674937adbf06dcd412cc1a10d9bf139e7806a

  • SHA256

    4e8a89a98873fbfc80574c92f6988bbc90a9efc39b072452f6199d4736e5c869

  • SHA512

    3f7d1043d041350861cc501c040eb12199e8b4bd286ba9b9759c8170186c4e072cff8c7f95b9a6fafc7b8a6b3889c1a6f3e09d23a5f89bbb51ebb04a6f1b03f3

  • SSDEEP

    6144:k9p3QZoZTfKbPfK0bwpFolu5cKTB30l4R/928Ne:kQ9lu5cKTDS6e

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\4e8a89a98873fbfc80574c92f6988bbc90a9efc39b072452f6199d4736e5c869.exe
    "C:\Users\Admin\AppData\Local\Temp\4e8a89a98873fbfc80574c92f6988bbc90a9efc39b072452f6199d4736e5c869.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:3712

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

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\4e8a89a98873fbfc80574c92f6988bbc90a9efc39b072452f6199d4736e5c869.exe

    Filesize

    454KB

    MD5

    f0fae3840c73d4b1a134a27bfae10143

    SHA1

    cdd4455ee7507025b02315cb2c1c5feb3039ef7b

    SHA256

    3c30dcb7966ad5f564a31d951fb6dad4cf96ed2056e11759dfe02a6e19364629

    SHA512

    287fa728a04b48e03fc0407cb03dfc728c1c942b746c5d37493cf31d1bacfaa40ebeb7104425ef4439eef90094c7af1b69d93005230fda6cf8a0c545556dd5fe

  • memory/3712-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3712-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3712-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB