Analysis

  • max time kernel
    93s
  • max time network
    100s
  • 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 16:59

General

  • Target

    fcf51cbf483c9b65530480b29fb50d9667367a28d729c755302f8c75125ce52b.exe

  • Size

    271KB

  • MD5

    2c5c3c69faa0391c5e1754e460d77529

  • SHA1

    a6a9893a336a00d4eba3e297c1c3bfcf978d2cf7

  • SHA256

    fcf51cbf483c9b65530480b29fb50d9667367a28d729c755302f8c75125ce52b

  • SHA512

    6e566d246368aa7770c442af6eab04e6c9e33d87eb99ef76ceff3230a9ac356fd0b325543b99c2e7861dc5844997494c960551ca6eed90fafd026721b36fd660

  • SSDEEP

    6144:Pup8C94DXKyz8y1sbgkSN5hbn+EpfRm8eziCfjw3aDI:m4DXKyz7xyw3aDI

Malware Config

Signatures

  • 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\fcf51cbf483c9b65530480b29fb50d9667367a28d729c755302f8c75125ce52b.exe
    "C:\Users\Admin\AppData\Local\Temp\fcf51cbf483c9b65530480b29fb50d9667367a28d729c755302f8c75125ce52b.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:3452

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroRd32.exe

    Filesize

    2.4MB

    MD5

    d9e8a1fa55faebd36ed2342fedefbedd

    SHA1

    c25cc7f0035488de9c5df0121a09b5100e1c28e9

    SHA256

    bd7696911d75a9a35dfd125b24cb95003f1e9598592df47fa23a2568986a4a9a

    SHA512

    134644c68bd04536e9ea0a5da6e334d36b1ce8012a061fa6dabd31f85c16a1ac9eee8c40fee3d55f25c4d4edf0672de8ce204e344c800361cbcff092c09d7a33

  • C:\Users\Admin\AppData\Local\Temp\3582-490\fcf51cbf483c9b65530480b29fb50d9667367a28d729c755302f8c75125ce52b.exe

    Filesize

    230KB

    MD5

    1ffa7eb0a9920632b6545d99c247cbc0

    SHA1

    132e5e93ded580752ce7a93508926028a16044c1

    SHA256

    0abbab7b3d30d878cd032845ff8261c573591e48060a2e803605b6cd42c6ddab

    SHA512

    b23f81a2a471279ab4d9f70f83b84e069377b65e28d7a5a0aa1e544473a6d9da7840351b5871c82703e069aab9e360dbda54481c40273f0a00644115c455f9c8

  • memory/3452-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3452-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3452-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3452-98-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB