Overview

overview

10

Static

static

10

2025-01-04...ok.exe

windows7-x64

10

2025-01-04...ok.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-01-2025 12:23

Sharing

Copy URL
Twitter E-mail
Report Analysis Logs

General

  • Target

    2025-01-04_877cec8193a067605a4ae8193cd6512c_neshta_rook.exe

  • Size

    154KB

  • MD5

    877cec8193a067605a4ae8193cd6512c

  • SHA1

    3a2b2fa4fa4ca05b909bb465f8623c8674aee5aa

  • SHA256

    625e5d6d49f078375b719b5baacda269d68986af78f2e8110028787d805068b7

  • SHA512

    a5c9ebb9c583494ecf493e5bf5cfda919e7e3b04b285ef90b62e07e475f907c2a6ffed81e2f80c67fd274d8699fe8c3610eee8b2ef70f81e802ab4310ecc5aee

  • SSDEEP

    3072:sr85CAffhavIWqQlTskRTeNpbt64NUsHzqaB7SJLmwvjSQnf:k9ofDWqQlTs+KNfvUsHzYJL9jSQnf

Score
10/10
neshtadiscoverypersistencespywarestealer

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.

    persistencespywareneshta
  • Neshta family
    neshta
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 3 IoCs
  • Modifies system executable filetype association 2 TTPs 1 IoCs
    persistence
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • 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.

    discovery
  • Modifies registry class 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2025-01-04_877cec8193a067605a4ae8193cd6512c_neshta_rook.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-01-04_877cec8193a067605a4ae8193cd6512c_neshta_rook.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:2348
    • C:\Users\Admin\AppData\Local\Temp\3582-490\2025-01-04_877cec8193a067605a4ae8193cd6512c_neshta_rook.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\2025-01-04_877cec8193a067605a4ae8193cd6512c_neshta_rook.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1556
      • C:\Users\Admin\AppData\Local\Temp\3582-490\2025-01-04_877cec8193a067605a4ae8193cd6512c_neshta_rook.exe
        DDEServer
        3⤵
        • Executes dropped EXE
        PID:4592
      • C:\Users\Admin\AppData\Local\Temp\3582-490\2025-01-04_877cec8193a067605a4ae8193cd6512c_neshta_rook.exe
        DDEClient
        3⤵
        • Executes dropped EXE
        PID:2812

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

    Download Submit

  • C:\Users\Admin\AppData\Local\Temp\3582-490\2025-01-04_877cec8193a067605a4ae8193cd6512c_neshta_rook.exe
    Filesize

    114KB

    MD5

    c5bc26c810d61e972e0a45f514c743cd

    SHA1

    184e81694b1bd060c66c40cfd1687b82ca39777e

    SHA256

    8411c7b4b1de7d664767934512688acc949156b6cba26060e316ea788904a391

    SHA512

    762ac410d549347dfa9fc44cf88357c83bf3bf1e25750e7f31fb8fe050622b7b15db8642704d4d33543ee3c29e85fafbe84c4fadb60d5a0a1043cbc9de974527

    Download Submit

  • memory/1556-8-0x00007FF788020000-0x00007FF788066000-memory.dmp

    Filesize

    280KB

    Download

  • memory/1556-95-0x00007FF788020000-0x00007FF788066000-memory.dmp

    Filesize

    280KB

    Download

  • memory/1556-131-0x00007FF788020000-0x00007FF788066000-memory.dmp

    Filesize

    280KB

    Download

  • memory/1556-134-0x00007FF788020000-0x00007FF788066000-memory.dmp

    Filesize

    280KB

    Download

  • memory/2348-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

    Download

  • memory/2348-101-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

    Download

  • memory/2348-106-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

    Download

  • memory/2812-99-0x00007FF788020000-0x00007FF788066000-memory.dmp

    Filesize

    280KB

    Download

  • memory/2812-133-0x00007FF788020000-0x00007FF788066000-memory.dmp

    Filesize

    280KB

    Download

  • memory/4592-100-0x00007FF788020000-0x00007FF788066000-memory.dmp

    Filesize

    280KB

    Download