Analysis

  • max time kernel
    141s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250129-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-02-2025 05:11

General

  • Target

    dadf9966a6fd2d2cce4c31440748266258ce46e7b5baec2dee50b2b3a2560a01.exe

  • Size

    141KB

  • MD5

    42ffe634fc8cd3d8d7a9473fc9f0ea52

  • SHA1

    267dfdf409bf3b7717a8de3dd47e501f447fc5e2

  • SHA256

    dadf9966a6fd2d2cce4c31440748266258ce46e7b5baec2dee50b2b3a2560a01

  • SHA512

    8297a14699f7bca618464fb4367734dc6ef6c25ad50516d14f2c4be38f6a1806c650db25440fbaa21cb8ca2591fb945f8ea67ccfa8f754d88a485a4b9ea716e3

  • SSDEEP

    3072:sr85CA3fEf5omctE+WYiIG7mLDMg4Al72s:k9A8fotE+WYiIG7mLDB7v

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\dadf9966a6fd2d2cce4c31440748266258ce46e7b5baec2dee50b2b3a2560a01.exe
    "C:\Users\Admin\AppData\Local\Temp\dadf9966a6fd2d2cce4c31440748266258ce46e7b5baec2dee50b2b3a2560a01.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:672
    • C:\Users\Admin\AppData\Local\Temp\3582-490\dadf9966a6fd2d2cce4c31440748266258ce46e7b5baec2dee50b2b3a2560a01.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\dadf9966a6fd2d2cce4c31440748266258ce46e7b5baec2dee50b2b3a2560a01.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:1944

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\dadf9966a6fd2d2cce4c31440748266258ce46e7b5baec2dee50b2b3a2560a01.exe

    Filesize

    100KB

    MD5

    a07b15c375c0b02d01b743a50cd220c6

    SHA1

    90b99cfbe570cb08110fbfb2f6ca260985237843

    SHA256

    92b9a84b1728bc2b0dd2519f70c69907d28b94bd4c9afe0b44b48f551ae5fc56

    SHA512

    34430a079ff3d4d3ca2cb72632d62c84178b9bafb5776c48aba38bc1fe7bf1bed79ee6dabaa48cff95b52edbf169121975a37357c1641209dd0e310c55385b6b

  • memory/672-92-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/672-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/672-97-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1944-93-0x0000000000400000-0x0000000000883000-memory.dmp

    Filesize

    4.5MB