Overview

overview

10

Static

static

10

e1e998d2a1...77.exe

windows7-x64

10

e1e998d2a1...77.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    e1e998d2a1344541e0dae824f53098b12dba805abb9ae462bd7d2165f9480e77
  • Size 91KB
  • Sample240530-erwxtsfa42
  • SHA256 e1e998d2a1344541e0dae824f53098b12dba805abb9ae462bd7d2165f9480e77
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
evasionpersistenceupx

Malware Config

Targets

    • Target
      e1e998d2a1344541e0dae824f53098b12dba805abb9ae462bd7d2165f9480e77
    • Size 91KB
    • SHA256 e1e998d2a1344541e0dae824f53098b12dba805abb9ae462bd7d2165f9480e77
    • 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