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Analysis

  • max time kernel
    93s
  • max time network
    94s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250129-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/02/2025, 16:13

General

  • Target

    4f938aafb1321a2ce88d60cfd65c02f0104a28940ff84d558aea1f7583711a3a.exe

  • Size

    1.1MB

  • MD5

    9454822e62d2dcb9bd1d755535384a36

  • SHA1

    ece7d3df2081dc1034de3727935ae56fe6fb00c1

  • SHA256

    4f938aafb1321a2ce88d60cfd65c02f0104a28940ff84d558aea1f7583711a3a

  • SHA512

    06c7d35fa009b27ed1fc8cded77647668925aa2f79fe47220b00cc4d1de85f3830d463d2ad96b0f1f341e1f8669cdd4259b6930a6a2c2ab543e065731d7996cb

  • SSDEEP

    24576:k+B5ljJneZIWlZlPRSA5kZckB0VmdAFE46X:kgiIWl3RZkZcg0WX

Malware Config

Signatures

  • Detect Neshta payload 5 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\4f938aafb1321a2ce88d60cfd65c02f0104a28940ff84d558aea1f7583711a3a.exe
    "C:\Users\Admin\AppData\Local\Temp\4f938aafb1321a2ce88d60cfd65c02f0104a28940ff84d558aea1f7583711a3a.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:872

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\4f938aafb1321a2ce88d60cfd65c02f0104a28940ff84d558aea1f7583711a3a.exe

    Filesize

    1.1MB

    MD5

    a7c4cba6ac06434c60e766bcfd8f1147

    SHA1

    9047f36536109c8e3132061bfddb015100d8a9ee

    SHA256

    c21cede48c1238edc2c194496dc944a47106566631b99ddd0b1c223d18fd0158

    SHA512

    3da42a897b05a1a5c987f4d999aaa571bbb39ac65625aa0e6c29f9e65b40bb459cbe36e0d1ce28e945f9561af4c269d31efcbf989a4224657cfb5abe4f238064

  • memory/872-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/872-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/872-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/872-97-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB