Analysis

  • max time kernel
    172s
  • max time network
    204s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2022 18:47

General

  • Target

    1ec6a5b8cb65b26560b46f1a75f4a652ed40b5a4b4b2609be65e503d646d753e.exe

  • Size

    272KB

  • MD5

    57acc0858d14d4fa5fc099ae80ac5ab0

  • SHA1

    bee3794b1d28ad6b82373a3d818dd0e518c60f09

  • SHA256

    1ec6a5b8cb65b26560b46f1a75f4a652ed40b5a4b4b2609be65e503d646d753e

  • SHA512

    17ada5114e6a5e1d95df035239732a0f6a4e14ae753eb651124a527d9699847def91b9884f0a251a19046fcd9138e766fd44711655924c9f2623086b51a93580

  • SSDEEP

    3072:Sjs/TNg91R0FvbVJznCRcy/hqF69MSs/PLLK+ammU3YwgTeA3gJ0:HxS8fznHC39G/PLLKU3YwgT

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.

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1ec6a5b8cb65b26560b46f1a75f4a652ed40b5a4b4b2609be65e503d646d753e.exe
    "C:\Users\Admin\AppData\Local\Temp\1ec6a5b8cb65b26560b46f1a75f4a652ed40b5a4b4b2609be65e503d646d753e.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Checks computer location settings
    • Adds Run key to start application
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1988
    • C:\Users\Admin\zuoseah.exe
      "C:\Users\Admin\zuoseah.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:5096
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:1776

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Users\Admin\zuoseah.exe

      Filesize

      272KB

      MD5

      57acc0858d14d4fa5fc099ae80ac5ab0

      SHA1

      bee3794b1d28ad6b82373a3d818dd0e518c60f09

      SHA256

      1ec6a5b8cb65b26560b46f1a75f4a652ed40b5a4b4b2609be65e503d646d753e

      SHA512

      17ada5114e6a5e1d95df035239732a0f6a4e14ae753eb651124a527d9699847def91b9884f0a251a19046fcd9138e766fd44711655924c9f2623086b51a93580

    • C:\Users\Admin\zuoseah.exe

      Filesize

      272KB

      MD5

      57acc0858d14d4fa5fc099ae80ac5ab0

      SHA1

      bee3794b1d28ad6b82373a3d818dd0e518c60f09

      SHA256

      1ec6a5b8cb65b26560b46f1a75f4a652ed40b5a4b4b2609be65e503d646d753e

      SHA512

      17ada5114e6a5e1d95df035239732a0f6a4e14ae753eb651124a527d9699847def91b9884f0a251a19046fcd9138e766fd44711655924c9f2623086b51a93580

    • memory/5096-134-0x0000000000000000-mapping.dmp