Overview

overview

8

Static

static

3

WindowsUpdater.exe

windows7-x64

7

WindowsUpdater.exe

windows10-2004-x64

8

ssh.pyc

windows7-x64

3

ssh.pyc

windows10-2004-x64

3

Sharing

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General

  • Target
    WindowsUpdater.exe
  • Size 11.1MB
  • Sample240224-tev74agg9z
  • SHA256 0f277b5c86588aaa07adad7b0015dab4650a99b8ed2043d72cd9e757e228fdef
  • MD5 SHA1 SHA512 SSDEEP
Score
8/10
discoverypersistencepyinstaller

Malware Config

Targets

    • Target
      WindowsUpdater.exe
    • Size 11.1MB
    • SHA256 0f277b5c86588aaa07adad7b0015dab4650a99b8ed2043d72cd9e757e228fdef
    • MD5 SHA1 SHA512 SSDEEP
    Score
    8/10
    discoverypersistence

    • Blocklisted process makes network request

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies file permissions

      discovery

    • Adds Run key to start application

      persistence

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Legitimate hosting services abused for malware hosting/C2

    behavioral1behavioral2
    • Target
      ssh.pyc
    • Size 9KB
    • SHA256 f611b110945bcacee62140254dc8579d55ff31aecd4249ffed37c193f2f1d73f
    • MD5 SHA1 SHA512 SSDEEP
    Score
    3/10
    behavioral3behavioral4

MITRE ATT&CK Enterprise v15

Tasks