Analysis

  • max time kernel
    94s
  • max time network
    138s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-11-2024 23:36

General

  • Target

    724393c159a7bee5a585005b11e72b56739f4dc96d93d52598040a8d6217bf0a.exe

  • Size

    123KB

  • MD5

    94120dac2f1cc0f5a5f64b30e2a4ef3b

  • SHA1

    fbb0afee7739580cb5ea8d1b28a3fbbf39e8fa1f

  • SHA256

    724393c159a7bee5a585005b11e72b56739f4dc96d93d52598040a8d6217bf0a

  • SHA512

    b0f534a23142bb991bdfa15c9fe663e95215a1501ffa1a987969ffe6373e99933b230aa3e555f4d465a126ae61ebdffbf654e0db8f9cf9a796bfbe95f8201b16

  • SSDEEP

    1536:JxqjQ+P04wsmJCZ55jdhXEy8PuhC3sNvQsnE90zY0Pr4JKZmarH2YPdBEUFsBo+i:sr85Cu76C3sjE+zYi4QZmPYFFiorvczo

Malware Config

Signatures

  • Detect Neshta payload 5 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 2 IoCs
  • Loads dropped DLL 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 3 IoCs

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

  • NSIS installer 2 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\724393c159a7bee5a585005b11e72b56739f4dc96d93d52598040a8d6217bf0a.exe
    "C:\Users\Admin\AppData\Local\Temp\724393c159a7bee5a585005b11e72b56739f4dc96d93d52598040a8d6217bf0a.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:2176
    • C:\Users\Admin\AppData\Local\Temp\3582-490\724393c159a7bee5a585005b11e72b56739f4dc96d93d52598040a8d6217bf0a.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\724393c159a7bee5a585005b11e72b56739f4dc96d93d52598040a8d6217bf0a.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:560
      • C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe
        "C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe" _?=C:\Users\Admin\AppData\Local\Temp\3582-490\
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2052

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\724393c159a7bee5a585005b11e72b56739f4dc96d93d52598040a8d6217bf0a.exe

    Filesize

    82KB

    MD5

    83d4990b7269e88ab0aa1d1b5dec9142

    SHA1

    0ddbe7faa83c380e818db9ea690ee8ca870d83dc

    SHA256

    273f04b034f0a08c298f9d558cd93d47093661b5505525fe414c7975ab29090a

    SHA512

    970fe01959f7330d38f995aa4459093392416ad6bd1ae6cfe31d3bfc1c2d1453147d1f62c3c70d580c5dd2c9a089e833f69027649d1de961a5df435bd409794c

  • C:\Users\Admin\AppData\Local\Temp\nsaB940.tmp\LangDLL.dll

    Filesize

    5KB

    MD5

    20231d894bf014965d1aeccf79ab8ef3

    SHA1

    cdce15f0c10bc8a7ac72da25ee66e876bf9ea319

    SHA256

    6ab9ee3478f20c33ee37944720e2fab4fd21580d66e60de18a5d9b559d2589b0

    SHA512

    c84094ffb5072528cecce86ce43b0dc5599b344fcfabf14203dbeb8e08b4e522a69f2eb6e4bc379df98f1c2214c4322b32af25353ea320a18339bb924feaf51c

  • memory/2176-102-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2176-104-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2176-107-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2176-109-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB