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Analysis

  • max time kernel
    150s
  • max time network
    110s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/10/2022, 22:30

General

  • Target

    08f76f7481e1e979675c4ac64981e89e00737877a61760129a9fafe5ece9792d.exe

  • Size

    208KB

  • MD5

    458bf31183ff91aa0ac2f3186ea2e410

  • SHA1

    9d63d9f0169071832bcccec5bf057f0fac293ca8

  • SHA256

    08f76f7481e1e979675c4ac64981e89e00737877a61760129a9fafe5ece9792d

  • SHA512

    b5f462bd2ab933566e0268b44c52110ca7ecbfc6757dc15789ba55695f7fb8610c6127ea94992df2812dac01a30f7be986c8043800cf53aa9173821476123b2c

  • SSDEEP

    6144:9oysguQmToYfPeffkxsthVIVO+b/RnmbT4PW9UmE7ldESgvSAOurw:9PuQmToYfPeffkxsthVIVO+b/9mbkPW+

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 55 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\08f76f7481e1e979675c4ac64981e89e00737877a61760129a9fafe5ece9792d.exe
    "C:\Users\Admin\AppData\Local\Temp\08f76f7481e1e979675c4ac64981e89e00737877a61760129a9fafe5ece9792d.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:1016
    • C:\Users\Admin\caoweg.exe
      "C:\Users\Admin\caoweg.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:4368

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\caoweg.exe

    Filesize

    208KB

    MD5

    ebd612e73032668f232af8d92a3435fa

    SHA1

    b07a6a1f08862f1370983d60366ccf1598f2e6f1

    SHA256

    7329dfea10bea6893a334bc6ba85b83576859a826ce4737d9222fd10c0b33ea3

    SHA512

    2883617407f85611bcb9b71ea2bf0611f1e2b96bd01ccc3206df9b1312d5a2258ca096e9a7840971727547921a63d40c2939e0d5be8143bf2c1e0af85aae0a80

  • C:\Users\Admin\caoweg.exe

    Filesize

    208KB

    MD5

    ebd612e73032668f232af8d92a3435fa

    SHA1

    b07a6a1f08862f1370983d60366ccf1598f2e6f1

    SHA256

    7329dfea10bea6893a334bc6ba85b83576859a826ce4737d9222fd10c0b33ea3

    SHA512

    2883617407f85611bcb9b71ea2bf0611f1e2b96bd01ccc3206df9b1312d5a2258ca096e9a7840971727547921a63d40c2939e0d5be8143bf2c1e0af85aae0a80