Overview

overview

10

Static

static

3

386fbb57ba...dc.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    386fbb57ba83864ee57a9e8a271c6dc215dc20bb1521ee85ad414f0dc67babdc.zip
  • Size 736KB
  • Sample260715-ebk6dsdy7y
  • SHA256 2567b65c50f7004c9f6ee844dd96425f9a2acb6ad9600e472ffc5d9d03d5ee23
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defense_evasiondiscoveryevasionexecutionpersistenceransomware

Malware Config

Targets

    • Target
      386fbb57ba83864ee57a9e8a271c6dc215dc20bb1521ee85ad414f0dc67babdc.exe
    • Size 3.3MB
    • SHA256 386fbb57ba83864ee57a9e8a271c6dc215dc20bb1521ee85ad414f0dc67babdc
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    defense_evasiondiscoveryevasionexecutionpersistenceransomware

    • Modifies WinLogon for persistence

      persistence

    • Modifies boot configuration data using bcdedit

      ransomwareevasion

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

      execution

    • Event Triggered Execution: Image File Execution Options Injection

      persistence

    • Creates new service(s)

      persistenceexecution

    • Executes dropped EXE

    • Stops running service(s)

      defense_evasionexecution

    • 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

    behavioral1

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

System Services

2
T1569

Service Execution

2
T1569.002

Persistence

Boot or Logon Autostart Execution

2
T1547

Winlogon Helper DLL

2
T1547.004

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Event Triggered Execution

1
T1546

Image File Execution Options Injection

1
T1546.012

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Winlogon Helper DLL

2
T1547.004

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Event Triggered Execution

1
T1546

Image File Execution Options Injection

1
T1546.012

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Impair Defenses

1
T1562

Modify Registry

2
T1112

Credential Access

Discovery

System Network Configuration Discovery

1
T1016

Wi-Fi Discovery

1
T1016.002

Lateral Movement

Collection

Command and Control

Web Service

1
T1102

Exfiltration

Impact

Inhibit System Recovery

1
T1490

Service Stop

1
T1489

Tasks