Overview

overview

9

Static

static

3

collar.exe

windows10-2004-x64

9

collar.exe

windows11-ltsc_2024-x64

9

Sharing

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General

  • Target
    collar.exe
  • Size 142.6MB
  • Sample261023-c69fcszs8l
  • SHA256 6ad127dd0e61ca3c4cf033e66a67587b71e3ad7b58ebf7afc545e19d1ee8e733
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
defense_evasiondiscoveryexecutionimpactpersistenceransomware

Malware Config

Targets

    • Target
      collar.exe
    • Size 142.6MB
    • SHA256 6ad127dd0e61ca3c4cf033e66a67587b71e3ad7b58ebf7afc545e19d1ee8e733
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    9/10
    defense_evasiondiscoveryexecutionimpactpersistenceransomware

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

      ransomwaredefense_evasionimpactexecution

    • Disables RegEdit via registry modification

      defense_evasion

    • Disables Task Manager via registry modification

      defense_evasion

    • Disables cmd.exe use via registry modification

      defense_evasion

    • Disables use of System Restore points

      defense_evasion

    • Executes dropped EXE

    • Impair Defenses: Safe Mode Boot

      defense_evasion

    • Loads dropped DLL

    • Contacts third-party web service commonly abused for C2

      Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

    • Modifies WinLogon

      persistence

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks