Windows 7 deprecation

Windows 7 will be removed from tria.ge on 2025-03-31

Analysis

  • max time kernel
    153s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/12/2022, 00:01

General

  • Target

    90195488bf020d45a90b61341611038f40158997226a9202e53cb451238a22c9.exe

  • Size

    193KB

  • MD5

    aa2facd23c967594a5cef3e9aed15304

  • SHA1

    0d53426bace559039557611e149fb8e69b7bab71

  • SHA256

    90195488bf020d45a90b61341611038f40158997226a9202e53cb451238a22c9

  • SHA512

    b163aa231cd6d34c480e1ccd9b8f7b4c7274535f20697c429b3f1a68c6a2bbb819482ebfd8eb32fd5ab0adec097708a27bd13008c36815e8a57924cccef0d705

  • SSDEEP

    6144:Qolkmb5rrFOt4ayMvz58xJ4Fcj8oQVD+/:I1ttuaFccV

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 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 53 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\90195488bf020d45a90b61341611038f40158997226a9202e53cb451238a22c9.exe
    "C:\Users\Admin\AppData\Local\Temp\90195488bf020d45a90b61341611038f40158997226a9202e53cb451238a22c9.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4176
    • C:\Users\Admin\buowu.exe
      "C:\Users\Admin\buowu.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:4864

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\buowu.exe

    Filesize

    193KB

    MD5

    762741e3569a7fb8b39aa2219cb86aac

    SHA1

    e977d98dc10df16c1d247c23b27a1f1178e08849

    SHA256

    648dc57a83e5919c598567e18e0145f61e4fc5f8320ca4227fe42c4ad39e1658

    SHA512

    dd2c7766adf4c6616c1a9a0c01790a7aab82d51d038f2c83a461c82709cf18a8f36122554e0be3c9e716024ee0de3dbde4292818c2c0ee8f0de1bfa6774d524d

  • C:\Users\Admin\buowu.exe

    Filesize

    193KB

    MD5

    762741e3569a7fb8b39aa2219cb86aac

    SHA1

    e977d98dc10df16c1d247c23b27a1f1178e08849

    SHA256

    648dc57a83e5919c598567e18e0145f61e4fc5f8320ca4227fe42c4ad39e1658

    SHA512

    dd2c7766adf4c6616c1a9a0c01790a7aab82d51d038f2c83a461c82709cf18a8f36122554e0be3c9e716024ee0de3dbde4292818c2c0ee8f0de1bfa6774d524d