Analysis

  • max time kernel
    91s
  • max time network
    93s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-10-2024 02:32

General

  • Target

    5d784679ef46f24bf5f4c4c937e4d4f86f3c83f8c35db789b6ab905fe0c02855N.exe

  • Size

    162KB

  • MD5

    c33d4be9780a20a5abb19fc57733bcf0

  • SHA1

    a591c57590d908500fbba460d5db4aef97613f34

  • SHA256

    5d784679ef46f24bf5f4c4c937e4d4f86f3c83f8c35db789b6ab905fe0c02855

  • SHA512

    2cbd94e023fa2bb1d0ce8216fb12be76d2573e999791dc406db35b8d6efc82a36330aaf3728753a4951fb4d64b2db7cfd55c94ec5025150a59172673a9a43f4d

  • SSDEEP

    3072:sr85Ceg0fftdn5XOrB8DApzB8DApFEgVw:k9Zs188D48DKY

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.

  • 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 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5d784679ef46f24bf5f4c4c937e4d4f86f3c83f8c35db789b6ab905fe0c02855N.exe
    "C:\Users\Admin\AppData\Local\Temp\5d784679ef46f24bf5f4c4c937e4d4f86f3c83f8c35db789b6ab905fe0c02855N.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:2108
    • C:\Users\Admin\AppData\Local\Temp\3582-490\5d784679ef46f24bf5f4c4c937e4d4f86f3c83f8c35db789b6ab905fe0c02855N.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\5d784679ef46f24bf5f4c4c937e4d4f86f3c83f8c35db789b6ab905fe0c02855N.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2276
      • C:\Windows\Microsoft.NET\Framework64\v2.0.50727\dw20.exe
        dw20.exe -x -s 848
        3⤵
        • Checks processor information in registry
        • Enumerates system info in registry
        • Suspicious use of AdjustPrivilegeToken
        PID:1828

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\5d784679ef46f24bf5f4c4c937e4d4f86f3c83f8c35db789b6ab905fe0c02855N.exe

    Filesize

    121KB

    MD5

    98f77a8c5c25e149a241a695234d4daa

    SHA1

    d88ce26e6f9582e09915424887f28b55dfe7758f

    SHA256

    c74618f68248b52df55a532db12e30914cd2ed87a4a70bd1b4a8264242b4759a

    SHA512

    17020ca7032274e7e709549085205419dfe0274d9083c0b6325a3ba3dc48dc2990823a09021b292ce63bb5672d0d8023d77e162c9bf910ad244bc30a79c2a8ce

  • memory/2108-108-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2108-109-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2108-111-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2276-12-0x00007FFD14305000-0x00007FFD14306000-memory.dmp

    Filesize

    4KB

  • memory/2276-13-0x00007FFD14050000-0x00007FFD149F1000-memory.dmp

    Filesize

    9.6MB

  • memory/2276-14-0x000000001BA70000-0x000000001BF3E000-memory.dmp

    Filesize

    4.8MB

  • memory/2276-15-0x000000001B440000-0x000000001B4DC000-memory.dmp

    Filesize

    624KB

  • memory/2276-16-0x000000001BF40000-0x000000001BFE6000-memory.dmp

    Filesize

    664KB

  • memory/2276-17-0x00007FFD14050000-0x00007FFD149F1000-memory.dmp

    Filesize

    9.6MB

  • memory/2276-24-0x00007FFD14050000-0x00007FFD149F1000-memory.dmp

    Filesize

    9.6MB