Analysis

  • max time kernel
    92s
  • max time network
    103s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-11-2024 04:08

General

  • Target

    a536e403cf83e9e145d4e7f539b2da160bb7cc7f65a0d914bee8fed5bac75b64.exe

  • Size

    8.6MB

  • MD5

    0c7be2a01c6ed64ac05a158215fd8aac

  • SHA1

    4f3539083af136655e68bdf892b1eb87333bd364

  • SHA256

    a536e403cf83e9e145d4e7f539b2da160bb7cc7f65a0d914bee8fed5bac75b64

  • SHA512

    e8245c416f9e264d74c2116ae9c52d5439ab8133b91ab60876aeb5d5da3bdecccdd4223fb0cfc8f5058dfce615b9417ddbc30c269876b648ed8c56a1dd6e91fb

  • SSDEEP

    196608:oZo4Rf5LqFE9tdALZ8i06SCaEHztf3d0K12:kRRxLZ0pSCNHhvP2

Malware Config

Signatures

  • Detect Neshta payload 6 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\a536e403cf83e9e145d4e7f539b2da160bb7cc7f65a0d914bee8fed5bac75b64.exe
    "C:\Users\Admin\AppData\Local\Temp\a536e403cf83e9e145d4e7f539b2da160bb7cc7f65a0d914bee8fed5bac75b64.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:1332

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\a536e403cf83e9e145d4e7f539b2da160bb7cc7f65a0d914bee8fed5bac75b64.exe

    Filesize

    8.6MB

    MD5

    2aa656e32a3b14952cddd7b4393406fa

    SHA1

    9c9400a91ecf5d6a4c9293c1f7cc53d53e4e77e3

    SHA256

    b24705347401a246a8b2fdddf90ca4a8c5e2d4156cdded93712d3280e3d65a8b

    SHA512

    6b35d0161aee1caa6bd9f729d4a4182a9d784215666feb320b555ed17274b524addaa0e8d4e1217083121788657b6a2c6b3055028e9c67c88339905e043f773a

  • memory/1332-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1332-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1332-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1332-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1332-98-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB