Analysis

  • max time kernel
    143s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/10/2023, 19:41

General

  • Target

    9bd25f058785c7dff28210f81187c800_exe32.exe

  • Size

    224KB

  • MD5

    9bd25f058785c7dff28210f81187c800

  • SHA1

    ddebdd3ffb544eaaf722866d7dfa7295e39f8f0e

  • SHA256

    8ea3f6a4cede772f361080f4e570f66e7ea7c7907258cb3cdb795bf70baa6363

  • SHA512

    791f9aa5fe0f1ab2243b08cc0a36e4ce6f6148fad383cd3b168691cc8ce1073e0b2bfe845f27e67922b56af0450cccf36d055d65d5818a786cd15a244eaf0426

  • SSDEEP

    3072:sr85CMIkt8pKO9WpheWyutIRkbc5luFbtyAjk6eSqsywT/IiODnw:k9MI7p8henOHQLDnw

Malware Config

Signatures

  • Detect Neshta payload 14 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 2 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).

  • Modifies registry class 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9bd25f058785c7dff28210f81187c800_exe32.exe
    "C:\Users\Admin\AppData\Local\Temp\9bd25f058785c7dff28210f81187c800_exe32.exe"
    1⤵
    • Checks computer location settings
    • Modifies system executable filetype association
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:3656
    • C:\Users\Admin\AppData\Local\Temp\3582-490\9bd25f058785c7dff28210f81187c800_exe32.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\9bd25f058785c7dff28210f81187c800_exe32.exe"
      2⤵
      • Executes dropped EXE
      PID:4880

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroRd32.exe

          Filesize

          2.4MB

          MD5

          8ffc3bdf4a1903d9e28b99d1643fc9c7

          SHA1

          919ba8594db0ae245a8abd80f9f3698826fc6fe5

          SHA256

          8268d3fefe8ca96a25a73690d14bacf644170ab5e9e70d2f8eeb350a4c83f9f6

          SHA512

          0b94ead97374d74eaee87e7614ddd3911d2cf66d4c49abbfd06b02c03e5dd56fd00993b4947e8a4bcd9d891fa39cab18cc6b61efc7d0812e91eb3aea9cd1a427

        • C:\Users\Admin\AppData\Local\Temp\3582-490\9bd25f058785c7dff28210f81187c800_exe32.exe

          Filesize

          183KB

          MD5

          a667a802e21e313db91a7b9afce5a9a2

          SHA1

          0aab3c1802fe8d5ab8ce9f23486105f9efec22be

          SHA256

          d6d2632b8b61f8235e8752223c39ac108025f5e31fd33d8648235f4175691368

          SHA512

          51f592b25492e0fd620bd3d0418b7e5173c72a56e77f3211bb54898ecb2d84cdca3fe543c83cdbb275e2e373642296d5777f64adf2188ce8ceb07f5cb525f00b

        • C:\Users\Admin\AppData\Local\Temp\3582-490\9bd25f058785c7dff28210f81187c800_exe32.exe

          Filesize

          183KB

          MD5

          a667a802e21e313db91a7b9afce5a9a2

          SHA1

          0aab3c1802fe8d5ab8ce9f23486105f9efec22be

          SHA256

          d6d2632b8b61f8235e8752223c39ac108025f5e31fd33d8648235f4175691368

          SHA512

          51f592b25492e0fd620bd3d0418b7e5173c72a56e77f3211bb54898ecb2d84cdca3fe543c83cdbb275e2e373642296d5777f64adf2188ce8ceb07f5cb525f00b

        • C:\Users\Admin\AppData\Local\Temp\3582-490\9bd25f058785c7dff28210f81187c800_exe32.exe

          Filesize

          183KB

          MD5

          a667a802e21e313db91a7b9afce5a9a2

          SHA1

          0aab3c1802fe8d5ab8ce9f23486105f9efec22be

          SHA256

          d6d2632b8b61f8235e8752223c39ac108025f5e31fd33d8648235f4175691368

          SHA512

          51f592b25492e0fd620bd3d0418b7e5173c72a56e77f3211bb54898ecb2d84cdca3fe543c83cdbb275e2e373642296d5777f64adf2188ce8ceb07f5cb525f00b

        • memory/3656-99-0x0000000000400000-0x000000000041B000-memory.dmp

          Filesize

          108KB

        • memory/3656-15-0x0000000000400000-0x000000000041B000-memory.dmp

          Filesize

          108KB

        • memory/3656-14-0x0000000000400000-0x000000000041B000-memory.dmp

          Filesize

          108KB

        • memory/3656-87-0x0000000000400000-0x000000000041B000-memory.dmp

          Filesize

          108KB

        • memory/3656-13-0x0000000000400000-0x000000000041B000-memory.dmp

          Filesize

          108KB

        • memory/3656-100-0x0000000000400000-0x000000000041B000-memory.dmp

          Filesize

          108KB

        • memory/3656-101-0x0000000000400000-0x000000000041B000-memory.dmp

          Filesize

          108KB

        • memory/3656-102-0x0000000000400000-0x000000000041B000-memory.dmp

          Filesize

          108KB

        • memory/3656-103-0x0000000000400000-0x000000000041B000-memory.dmp

          Filesize

          108KB

        • memory/3656-105-0x0000000000400000-0x000000000041B000-memory.dmp

          Filesize

          108KB

        • memory/3656-106-0x0000000000400000-0x000000000041B000-memory.dmp

          Filesize

          108KB

        • memory/3656-107-0x0000000000400000-0x000000000041B000-memory.dmp

          Filesize

          108KB

        • memory/3656-108-0x0000000000400000-0x000000000041B000-memory.dmp

          Filesize

          108KB