Overview

overview

9

Static

static

3

fk12.exe

windows10-2004-x64

9

fk12.exe

windows11-ltsc_2024-x64

9

Sharing

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General

  • Target
    fk12.exe
  • Size 8.1MB
  • Sample260705-ndfs5afx4m
  • SHA256 614d235c49f256333d468b7bf2471d481b730387b0d9366a8ad3378eda7384c5
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
defense_evasiondiscoveryevasionexploitpersistencepyinstallerransomware

Malware Config

Targets

    • Target
      fk12.exe
    • Size 8.1MB
    • SHA256 614d235c49f256333d468b7bf2471d481b730387b0d9366a8ad3378eda7384c5
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    9/10
    defense_evasiondiscoveryevasionexploitpersistenceransomware

    • Modifies boot configuration data using bcdedit

      ransomwareevasion

    • Drops file in Drivers directory

    • Manipulates Digital Signatures

      Attackers can apply techniques such as modifying certain DLL exports to make their binary seem valid.

    • Possible privilege escalation attempt

      exploit

    • Boot or Logon Autostart Execution: Print Processors

      Adversaries may abuse print processors to run malicious DLLs during system boot for persistence and/or privilege escalation.

      persistence

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies file permissions

      discovery

    • Adds Run key to start application

      persistence

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks