Analysis

  • max time kernel
    101s
  • max time network
    101s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-07-2024 06:41

General

  • Target

    741f69046399705ffda413c8e50e3bf0N.exe

  • Size

    3.4MB

  • MD5

    741f69046399705ffda413c8e50e3bf0

  • SHA1

    b568d59d3c632f9741358069a52a48e706b832f4

  • SHA256

    1cf82619e0539cd70c70580cc007de453b02f83bb67c92b89ab0a8d17995956f

  • SHA512

    d2eeed717bfb0eb8fc1a5484a1fcefe619992ecc7064cc3d79a1a56f7dc8d83575233c302a04bd4d00c26967c9ab388007d35a3d071a21d156e9901f54a11bd8

  • SSDEEP

    49152:q8GYg3V1HMoBdP3cz/c8xuw4943ZSY+hlc+R6poDVF2r5Bhvf0WLnTT3AcW:YHMoBdP3cz/csd4EpmIv3Af

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 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 SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\741f69046399705ffda413c8e50e3bf0N.exe
    "C:\Users\Admin\AppData\Local\Temp\741f69046399705ffda413c8e50e3bf0N.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:2676
    • C:\Users\Admin\AppData\Local\Temp\3582-490\741f69046399705ffda413c8e50e3bf0N.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\741f69046399705ffda413c8e50e3bf0N.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:4792

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\741f69046399705ffda413c8e50e3bf0N.exe

    Filesize

    3.4MB

    MD5

    8b80de24a258879554a2c269f3f83b1c

    SHA1

    9d712d37b0cc0ba17b99a97852c527a05d9f5848

    SHA256

    269deb964615b03443f968460c625f4ab7ceb7315a276e91cbb95d6c9f778093

    SHA512

    4bab2f65a1afcac79bc4917c79ee0424db997d0ba78e5d8e2ccc0cb7d8cfd37c6176d7ba3fab8ed92929015e2aeac7457e9d2089e41cbe22321983d803e583b5

  • memory/2676-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2676-97-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2676-99-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB