Analysis

  • max time kernel
    149s
  • 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
    17-12-2024 01:59

General

  • Target

    aea3e03d13908f4970f61c37fe663177b405d5dca5a694d9f62aba0b4f7ce964.exe

  • Size

    1.0MB

  • MD5

    63cdaefd6c2747413b7c141ae2122220

  • SHA1

    e5b9c8b9ac007c45586857b07e9f8d925781b4e0

  • SHA256

    aea3e03d13908f4970f61c37fe663177b405d5dca5a694d9f62aba0b4f7ce964

  • SHA512

    3a4dd0f19a307f9bbab60194ed9ec8e129f6029b6e84ced919ea1608255946739eee11c7a23f10d18083e80610a0b880b9b95af9a4b4b4e56a4e44d78f781b3a

  • SSDEEP

    12288:Xagb4Ct/piAUQd0v6z/9CJmgXUGCqYXK8lEihAx0jel5+nRobwLVDC:Kgbvt5UQdjz/9C1QKWDAqNVDC

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\aea3e03d13908f4970f61c37fe663177b405d5dca5a694d9f62aba0b4f7ce964.exe
    "C:\Users\Admin\AppData\Local\Temp\aea3e03d13908f4970f61c37fe663177b405d5dca5a694d9f62aba0b4f7ce964.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:2420
    • C:\Users\Admin\AppData\Local\Temp\3582-490\aea3e03d13908f4970f61c37fe663177b405d5dca5a694d9f62aba0b4f7ce964.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\aea3e03d13908f4970f61c37fe663177b405d5dca5a694d9f62aba0b4f7ce964.exe"
      2⤵
      • Executes dropped EXE
      PID:3644

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\aea3e03d13908f4970f61c37fe663177b405d5dca5a694d9f62aba0b4f7ce964.exe

    Filesize

    1.0MB

    MD5

    906106454e8035c35c3d3a87d293e170

    SHA1

    3d355a8a175b88839187ced8688bdccb78552c74

    SHA256

    300a53a456ad6e0d7c853b89618c1b6f3333327e1bdfb039b18f30f836fe45f8

    SHA512

    371a167ace8e75e202dd13f6e069576afffabb31cb45088a98a4186fd630654998fb87957ec1726b86a549bda9b92150b574d455788770fa7bdc929921106d8f

  • memory/2420-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2420-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2420-97-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB