Analysis

  • max time kernel
    151s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/09/2022, 01:03

General

  • Target

    19dc2ab9c63524e2a1ab0bac0c416e7ef96a27c378e53248b0547525ab7696e4.exe

  • Size

    172KB

  • MD5

    bb3365135b822a08d7eb8ada8bbba157

  • SHA1

    b557b6dc274517dbb7f20363f016777b3b415819

  • SHA256

    19dc2ab9c63524e2a1ab0bac0c416e7ef96a27c378e53248b0547525ab7696e4

  • SHA512

    b2baf6c7170e57227c086edc784994721e2824a7506e10eb970f230045d8b343257fcd0261a3acb1c46e4cfef3996a0b1bfed06ef1c22e36765316aa52420735

  • SSDEEP

    3072:TdS0JsLAjM7a2XAwqrFHFduoF+N7bZD16iYIQusGGTkLGFMMalHSXvh6AHRnlX:Td4LAj0a2QhFfuoF+N7bZD16iYIQusG4

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Adds Run key to start application 2 TTPs 29 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\19dc2ab9c63524e2a1ab0bac0c416e7ef96a27c378e53248b0547525ab7696e4.exe
    "C:\Users\Admin\AppData\Local\Temp\19dc2ab9c63524e2a1ab0bac0c416e7ef96a27c378e53248b0547525ab7696e4.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:384
    • C:\Users\Admin\npfif.exe
      "C:\Users\Admin\npfif.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:2528

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\npfif.exe

    Filesize

    172KB

    MD5

    ae85142f0d9ba659f08ead4ccbbc28b5

    SHA1

    692388e269446bcd2855db44d230270b99ef738b

    SHA256

    5c78616ca6775d4c44739743d8fe0cad2fa9bd4cdce86e16f0b5f6179c747c41

    SHA512

    91cd606aafaa65eef638595b48aca18884362308212e37f73c9298f277c085d49b676300f9e32ddcaf4fbe3ce8b6dbc8f5bd6b55c688ad668323696c5e2a1e4c

  • C:\Users\Admin\npfif.exe

    Filesize

    172KB

    MD5

    ae85142f0d9ba659f08ead4ccbbc28b5

    SHA1

    692388e269446bcd2855db44d230270b99ef738b

    SHA256

    5c78616ca6775d4c44739743d8fe0cad2fa9bd4cdce86e16f0b5f6179c747c41

    SHA512

    91cd606aafaa65eef638595b48aca18884362308212e37f73c9298f277c085d49b676300f9e32ddcaf4fbe3ce8b6dbc8f5bd6b55c688ad668323696c5e2a1e4c