Overview

overview

10

Static

static

10

34fffc5e8d...9N.exe

windows7-x64

10

34fffc5e8d...9N.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    140s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-10-2024 08:12

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General

  • Target

    34fffc5e8dbdd92767562bd5671eb2c42b50b3c712953beb2d6a20461f9b9729N.exe

  • Size

    1.2MB

  • MD5

    c91cc791294d99e915fac1e5a828c790

  • SHA1

    a6b11309a636a55c5e748d94e71f4b82d6ac545f

  • SHA256

    34fffc5e8dbdd92767562bd5671eb2c42b50b3c712953beb2d6a20461f9b9729

  • SHA512

    ad84218355a1e070725464881a8cb639b41cc3320ca966b2f1f5b7737f9865dcefad1214040f3df1f97daf47e243fc0f6505c2cfb6b015f9a31a63022a2cc12c

  • SSDEEP

    12288:An04EwVsSdbvCPpJpXhgJfID8rP7ZjlAtYR4VQa9PJ9UYEbSpw2lauxpPGAAoi5/:vYpvZ5AS8Qa9PJ9DLjXBU

Score
10/10
neshtabootkitdiscoverypersistencespywarestealer

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 1 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
  • Enumerates connected drives 3 TTPs 25 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

    bootkitpersistence
  • 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.

    discovery
  • Modifies registry class 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\34fffc5e8dbdd92767562bd5671eb2c42b50b3c712953beb2d6a20461f9b9729N.exe
    "C:\Users\Admin\AppData\Local\Temp\34fffc5e8dbdd92767562bd5671eb2c42b50b3c712953beb2d6a20461f9b9729N.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:4276
    • C:\Users\Admin\AppData\Local\Temp\3582-490\34fffc5e8dbdd92767562bd5671eb2c42b50b3c712953beb2d6a20461f9b9729N.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\34fffc5e8dbdd92767562bd5671eb2c42b50b3c712953beb2d6a20461f9b9729N.exe"
      2⤵
      • Executes dropped EXE
      • Enumerates connected drives
      • Writes to the Master Boot Record (MBR)
      • System Location Discovery: System Language Discovery
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:4112

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

    Download Submit

  • C:\Users\Admin\AppData\Local\Temp\3582-490\34fffc5e8dbdd92767562bd5671eb2c42b50b3c712953beb2d6a20461f9b9729N.exe
    Filesize

    1.2MB

    MD5

    f35ef82b2d2a3fd82f9834f2661e2310

    SHA1

    0af34b074df67f3843575f08a121e6ac275210a7

    SHA256

    454a7cac73378072911ad8a636b04ca8ea87272ae4b96760975877d116019a2d

    SHA512

    e84972b10a9938913ddd1ca70304cb37cbe32bca6df99863eae6b2859329165b6d8ae4e4f9aa195fd9a6422f014c58383a7368da41c85e19537369ce982ee0f1

    Download Submit

  • memory/4112-12-0x0000000000400000-0x0000000000534000-memory.dmp

    Filesize

    1.2MB

    Download

  • memory/4112-103-0x0000000000400000-0x0000000000534000-memory.dmp

    Filesize

    1.2MB

    Download

  • memory/4276-98-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

    Download

  • memory/4276-99-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

    Download

  • memory/4276-101-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

    Download