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Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/12/2022, 21:28

General

  • Target

    73b9918ab31e9e2f32c766ab84032563608c734ed434878257bd1512fe11e947.exe

  • Size

    100KB

  • MD5

    d2c41cd8ad89eebb63b469a7d8e7c5b8

  • SHA1

    d76a75d40543282c68d8697e3bcf9d636f2c3b31

  • SHA256

    73b9918ab31e9e2f32c766ab84032563608c734ed434878257bd1512fe11e947

  • SHA512

    6026118b71e439e23c143a512f9a22eb96080778f22e4f2b6159ccfe283e171186200abe75fc8102538281502209c718d0fd67d51e48830d8bfd57a8587bf3cf

  • SSDEEP

    1536:F3tGR82NTzw82MGAc4ohrPXo+73Rez8b0Sy2NIjnZMd:4wcurPX7C2Cned

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 54 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\73b9918ab31e9e2f32c766ab84032563608c734ed434878257bd1512fe11e947.exe
    "C:\Users\Admin\AppData\Local\Temp\73b9918ab31e9e2f32c766ab84032563608c734ed434878257bd1512fe11e947.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:764
    • C:\Users\Admin\mpwoif.exe
      "C:\Users\Admin\mpwoif.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:4872

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\mpwoif.exe

    Filesize

    100KB

    MD5

    9c2826e4d510820fa55e8e4526905864

    SHA1

    ab04df9672320f7a5343bca70817924b664cd9af

    SHA256

    7af061feab92aeaffc5bc2e5b8570688f774d280bf3a363df3f5c2772ef27cdb

    SHA512

    7756825de593c27d84c163bd61cc21f1b4d29ae5c338d7757a2e5fefdd7d84e5d228389a7bd56f56d189e62bf3293281414ab201bb8f2b2b846eb81948c76b5d

  • C:\Users\Admin\mpwoif.exe

    Filesize

    100KB

    MD5

    9c2826e4d510820fa55e8e4526905864

    SHA1

    ab04df9672320f7a5343bca70817924b664cd9af

    SHA256

    7af061feab92aeaffc5bc2e5b8570688f774d280bf3a363df3f5c2772ef27cdb

    SHA512

    7756825de593c27d84c163bd61cc21f1b4d29ae5c338d7757a2e5fefdd7d84e5d228389a7bd56f56d189e62bf3293281414ab201bb8f2b2b846eb81948c76b5d