Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-12-2024 07:46

General

  • Target

    3a4e4cf6ff361409a7dbcc5f8bd2e64b06d3325a04d90124f33500bd246f7ecc.exe

  • Size

    832KB

  • MD5

    f25973bbf37be072c3c8a88377e6080b

  • SHA1

    7c4656f5362f09aa92e2393ab1c22f0a534e571d

  • SHA256

    3a4e4cf6ff361409a7dbcc5f8bd2e64b06d3325a04d90124f33500bd246f7ecc

  • SHA512

    171dbbb7e50fdf0ffd94f950b502771b78a44745bb613c0d43eb25d3fb115837a2f7cbe7d352f650a480443a0e09ca5f9670ece01ae1fa1966684778915762f0

  • SSDEEP

    24576:TIE5N3uQNiTN3VekMh9B9px/v3vnh4dmkaRI9JEO:TqQNiTN3aaJl

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\3a4e4cf6ff361409a7dbcc5f8bd2e64b06d3325a04d90124f33500bd246f7ecc.exe
    "C:\Users\Admin\AppData\Local\Temp\3a4e4cf6ff361409a7dbcc5f8bd2e64b06d3325a04d90124f33500bd246f7ecc.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:4412

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\3a4e4cf6ff361409a7dbcc5f8bd2e64b06d3325a04d90124f33500bd246f7ecc.exe

    Filesize

    792KB

    MD5

    d80d40677c193640aba28d683796cb91

    SHA1

    653abbff442e622551aa6fb2e33c19e6ccaf5e39

    SHA256

    067de924d9c64b9c31e39689e910acd6f8e663c55bf85439eb3e1a4f1cd92222

    SHA512

    677be410635baf8061dd07fad96586cb47e387f6072ff708fcccd8eb0fd3ceb9508a38706565c3a903b49af4734338082cfa7cec804e33f8d6f2e9cb921727e2

  • memory/4412-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4412-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4412-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB