Analysis

  • max time kernel
    149s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-01-2025 03:27

General

  • Target

    813b07fbf1cff09d52cf8e8fa8034ceeca0972dbef0a88a50738f96d953c3e2c.exe

  • Size

    125KB

  • MD5

    5dd8b3545e3025063a6c47e3e2392f2c

  • SHA1

    48dc76d2623565a39249e391b420e89e6127cd6a

  • SHA256

    813b07fbf1cff09d52cf8e8fa8034ceeca0972dbef0a88a50738f96d953c3e2c

  • SHA512

    99525540267ffce877fa741fb7bb6241de55c3cde4f2578d81068113188b60ed3c225dd40d2f7b52cf379ac7d21ae9d5c56a40c1985363a4b47ffb4be398e8ed

  • SSDEEP

    3072:sr85CQSsW+Z5qantKILi9spATaJs2Rc0ZNP:k9QSK7qts7J1ZNP

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.

  • Neshta family
  • 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.

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\813b07fbf1cff09d52cf8e8fa8034ceeca0972dbef0a88a50738f96d953c3e2c.exe
    "C:\Users\Admin\AppData\Local\Temp\813b07fbf1cff09d52cf8e8fa8034ceeca0972dbef0a88a50738f96d953c3e2c.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:4984
    • C:\Users\Admin\AppData\Local\Temp\3582-490\813b07fbf1cff09d52cf8e8fa8034ceeca0972dbef0a88a50738f96d953c3e2c.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\813b07fbf1cff09d52cf8e8fa8034ceeca0972dbef0a88a50738f96d953c3e2c.exe"
      2⤵
      • Executes dropped EXE
      PID:180

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\813b07fbf1cff09d52cf8e8fa8034ceeca0972dbef0a88a50738f96d953c3e2c.exe

    Filesize

    84KB

    MD5

    cc7a5d4f85d01e6b04427a70b8e2cac6

    SHA1

    cc7a2a4772b4b09ad705ecdf37ba20cdcdc7b84e

    SHA256

    34b69762f5951c32c5d09a63a572da33d77315ab83934def8c0ab1e4e5a7683c

    SHA512

    1ef786a3949dc37f9917f3aa9058cc51f4d06367f8af81b2f0b530c2493fa4aa59bcfd3640c3f1a2557dcab8105bc4776bc235fbcd2f91376f61c482072a33b4

  • memory/4984-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4984-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4984-98-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB