Overview

overview

8

Static

static

5

KEYGEN.exe

windows10-ltsc_2021-x64

8

Sharing

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General

  • Target
    KEYGEN.exe
  • Size 23KB
  • Sample260721-cja92sb15p
  • SHA256 25ce3396ebccf5409927e917b74c5e7627782f8d8dedd70ffa34131c2bbe1ba9
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
defense_evasiondiscoveryexecutionpersistenceransomwareupx

Malware Config

Targets

    • Target
      KEYGEN.exe
    • Size 23KB
    • SHA256 25ce3396ebccf5409927e917b74c5e7627782f8d8dedd70ffa34131c2bbe1ba9
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    8/10
    defense_evasiondiscoveryexecutionpersistenceransomwareupx

    • Downloads MZ/PE file

    • ACProtect 1.3x - 1.4x DLL software

      Detects file using ACProtect software.

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies file permissions

      discovery

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

      discovery

    • Drops desktop.ini file(s)

    • Enumerates connected drives

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

    • Drops file in System32 directory

    • UPX packed file

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

      upx
    behavioral1

MITRE ATT&CK Enterprise v16

Tasks