Overview

overview

9

Static

static

3

LogonUIInstaller.exe

windows10-2004-x64

9

Sharing

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General

  • Target
    LogonUIInstaller.exe
  • Size 2.6MB
  • Sample260903-ymktjsvdqf
  • SHA256 3fea4466855cc108b807824405a3026c225d89d336a6ce121bc4eb5af0f22731
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
defense_evasiondiscoveryexecutionexploitimpactransomware

Malware Config

Targets

    • Target
      LogonUIInstaller.exe
    • Size 2.6MB
    • SHA256 3fea4466855cc108b807824405a3026c225d89d336a6ce121bc4eb5af0f22731
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    9/10
    defense_evasiondiscoveryexecutionexploitimpactransomware

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

      ransomwaredefense_evasionimpactexecution

    • Possible privilege escalation attempt

      exploit

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Modifies file permissions

      discovery

    • File and Directory Permissions Modification: Windows File and Directory Permissions Modification

      defense_evasion

    • Drops file in System32 directory

    behavioral1

MITRE ATT&CK Enterprise v16

Tasks