Analysis

  • max time kernel
    93s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-01-2025 02:51

General

  • Target

    5a5f8224bdfbaedafed6fafadd9ccb37d7211208a74dde19400eefca523e76fc.exe

  • Size

    2.5MB

  • MD5

    6ab0ea19290be118277eb091a74e3e13

  • SHA1

    642468fd96e4285c3b8a212488a28e098e6d537c

  • SHA256

    5a5f8224bdfbaedafed6fafadd9ccb37d7211208a74dde19400eefca523e76fc

  • SHA512

    b84da1f7f1ba5173900f63978b780cc8b134e9e7e04086dd970fa0c06ad6de9675ad867dd0cbdeb9a46f910fd0ca1c314d11049cd4923aefdbbe876abbd521ca

  • SSDEEP

    49152:3R/KpmZubPf2S8W2ILeWl+C1p9jWy5Snd0eigXNX:B/jtYLP1Sy5E0k

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\5a5f8224bdfbaedafed6fafadd9ccb37d7211208a74dde19400eefca523e76fc.exe
    "C:\Users\Admin\AppData\Local\Temp\5a5f8224bdfbaedafed6fafadd9ccb37d7211208a74dde19400eefca523e76fc.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:2588

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

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\5a5f8224bdfbaedafed6fafadd9ccb37d7211208a74dde19400eefca523e76fc.exe

    Filesize

    2.5MB

    MD5

    3d3796dc7c21a7e47aa39349c4af9143

    SHA1

    48e6a7c37e005f511b45e373e9d4aead80f77fc4

    SHA256

    2c3885c4fa5a5d4d0b27e5c9f86a8443d96311a39cf34b725a3b0129436583f6

    SHA512

    3cd4eefa54eb5d1b477434f19afa1467691a4d3d6a94d8421eeabb5f59bc418c02a87f825684f6fb2ab025f82f485ffec165a784155177ddf1b1998d2e427e9b

  • memory/2588-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2588-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2588-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2588-97-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB