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
    17-12-2024 03:58

General

  • Target

    8c6a69f1037caa602c7c5c8e5512d2bd985a773974b317b1021fd5690bc26c84N.exe

  • Size

    1.6MB

  • MD5

    d258a2b60f4aa9874707a3d24a0ebc80

  • SHA1

    fabaa48beb2a7a9e4f317a8914ab498ccfe5ea4c

  • SHA256

    8c6a69f1037caa602c7c5c8e5512d2bd985a773974b317b1021fd5690bc26c84

  • SHA512

    94392a0dfb6db31b6c491c5be37aaeeb416bdfc911988602ee6ed955400d2a1d3c4ed885e04bd3eeecc3ec61501a0c65ea71da8d05822984ad6988e60c6c8fae

  • SSDEEP

    6144:k9k375dLGZMzpBrEr3Giehk7QR34rv3K0g6Mmkda3gDi6fHFpvEO0Xhs9wIsO7P9:jR/bsRIi1CkrK

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\8c6a69f1037caa602c7c5c8e5512d2bd985a773974b317b1021fd5690bc26c84N.exe
    "C:\Users\Admin\AppData\Local\Temp\8c6a69f1037caa602c7c5c8e5512d2bd985a773974b317b1021fd5690bc26c84N.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:3380
    • C:\Users\Admin\AppData\Local\Temp\3582-490\8c6a69f1037caa602c7c5c8e5512d2bd985a773974b317b1021fd5690bc26c84N.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\8c6a69f1037caa602c7c5c8e5512d2bd985a773974b317b1021fd5690bc26c84N.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:1092

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\8c6a69f1037caa602c7c5c8e5512d2bd985a773974b317b1021fd5690bc26c84N.exe

    Filesize

    1.6MB

    MD5

    8d43f6019ab1905326475e82593a49ba

    SHA1

    4e7d118c728aa15f10fe2fdb40af97f7d3cfcd69

    SHA256

    3e00fa6a2282a1524a81667deb96969246e14075797c1f0199d4e38f16bc38f6

    SHA512

    835c85c0dae3cc4c96226d59d18af1beac24af80db1d52434666859496d7299b2216bf531c81fad688ae0527f73c0095220271cd5c6d563a1ac8f4726a84b3b2

  • memory/3380-92-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3380-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3380-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB