Analysis

  • max time kernel
    94s
  • max time network
    98s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-11-2024 02:58

General

  • Target

    512dd0e6432374343bd5bdddd8c2f122bcf017402a07fbc0986d17f058035baaN.exe

  • Size

    1.8MB

  • MD5

    63ca5e6cf47242710e0f4eb63ced0010

  • SHA1

    c3f591cc1898071305161e1cd672ad751ef80371

  • SHA256

    512dd0e6432374343bd5bdddd8c2f122bcf017402a07fbc0986d17f058035baa

  • SHA512

    dd95f4e8efa24ee0e0c889cf652f1a48b3468e8a42319b95a52bcc6e211a88524dce5cb83364be920aed70a95e77c48d127f318079763b1ca6abd8f48da22eab

  • SSDEEP

    49152:GkfndE7/HChauiBYjmY3pfgKg5PHzw9Q2qNmWsSDAE:ffndE7/i0jYjmYZfglHzw9Q2qNmWr

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 SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\512dd0e6432374343bd5bdddd8c2f122bcf017402a07fbc0986d17f058035baaN.exe
    "C:\Users\Admin\AppData\Local\Temp\512dd0e6432374343bd5bdddd8c2f122bcf017402a07fbc0986d17f058035baaN.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:816
    • C:\Users\Admin\AppData\Local\Temp\3582-490\512dd0e6432374343bd5bdddd8c2f122bcf017402a07fbc0986d17f058035baaN.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\512dd0e6432374343bd5bdddd8c2f122bcf017402a07fbc0986d17f058035baaN.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:1112

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\512dd0e6432374343bd5bdddd8c2f122bcf017402a07fbc0986d17f058035baaN.exe

    Filesize

    1.8MB

    MD5

    456860fcda222ce6c5104b97099bed85

    SHA1

    5d59e18dd0532190f4c149eaf00fc01c7518c19b

    SHA256

    14d78a317a8dd20b5263dce7d826365c230f8cb35390484bf43330db9fdb3bb3

    SHA512

    93c3233baa943093bc74b8b415f63b272367a9e09450c79adfb190be32f60b6192b2f60bbe33fb03271e468f759ee25006326aeb060f593c967290ec874d707f

  • memory/816-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/816-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/816-98-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB