Analysis

  • max time kernel
    92s
  • max time network
    93s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-01-2025 12:26

General

  • Target

    3e4605a14f0d78804acfa3ab97da149f2f9cc304935577dcbed8ea8479c297dc.exe

  • Size

    40KB

  • MD5

    639f28af5496a4b05409185bf47b6f6f

  • SHA1

    4d747ecddde4dd00a4623b0116644ed2e15da423

  • SHA256

    3e4605a14f0d78804acfa3ab97da149f2f9cc304935577dcbed8ea8479c297dc

  • SHA512

    9585bca22207cdfd31a807317dee6ee7b542a7e433670586467eee850d417052df0f587661444c4ffa6590e821db6250938a5e81cd4679d4917dcb4f104267fa

  • SSDEEP

    768:nyxqjQl/EMQt4Oei7RwsHxKANM0nDhlzOQdJ2ni+:yxqjQ+P04wsZLnDrCTnv

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\3e4605a14f0d78804acfa3ab97da149f2f9cc304935577dcbed8ea8479c297dc.exe
    "C:\Users\Admin\AppData\Local\Temp\3e4605a14f0d78804acfa3ab97da149f2f9cc304935577dcbed8ea8479c297dc.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:4768

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\3e4605a14f0d78804acfa3ab97da149f2f9cc304935577dcbed8ea8479c297dc.exe

    Filesize

    40KB

    MD5

    4e25e8747acc43fa75df2f3d17ac2605

    SHA1

    329f09bec6f62d4996961b1dedda4945149725da

    SHA256

    1e06345503a370d27a02113947867eadd5baf3002c008939b37d4831fecf0404

    SHA512

    5db630c835dccd3075d917a26ec86572e7b234098df0e80f54d6e25671cfe8a662c5d803fd3bf8fe51b79567fa161c8dc348ce266075597355402b43ee944377

  • memory/4768-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4768-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4768-97-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB