Overview

overview

10

Static

static

10

da285a3fd1...e1.exe

windows7-x64

10

da285a3fd1...e1.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    da285a3fd1f4bcb67362a2b7c033aee2e83214073d33f3c607966f6f031941e1
  • Size 90KB
  • Sample240603-e3g8tabc7z
  • SHA256 da285a3fd1f4bcb67362a2b7c033aee2e83214073d33f3c607966f6f031941e1
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
evasionpersistenceupx

Malware Config

Targets

    • Target
      da285a3fd1f4bcb67362a2b7c033aee2e83214073d33f3c607966f6f031941e1
    • Size 90KB
    • SHA256 da285a3fd1f4bcb67362a2b7c033aee2e83214073d33f3c607966f6f031941e1
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    evasionpersistenceupx

    • Modifies WinLogon for persistence

      persistence

    • Modifies visibility of file extensions in Explorer

      evasion

    • Modifies visiblity of hidden/system files in Explorer

      evasion

    • UPX dump on OEP (original entry point)

    • Disables RegEdit via registry modification

      evasion

    • Disables use of System Restore points

      evasion

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies system executable filetype association

      persistence

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx

    • Adds Run key to start application

      persistence

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks