Overview

overview

8

Static

static

1

drw.exe

windows10-2004-x64

8

drw.exe

windows11-ltsc_2024-x64

4

Sharing

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General

  • Target
    drw
  • Size 2.7MB
  • Sample260807-g4xe8syfka
  • SHA256 a1ae3bd40b816aac7714d71150febe200c2ed230b21613c43ff6519c51cd2531
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
adwarebootkitdefense_evasiondiscoveryexecutioninstallerpersistenceprivilege_escalationspyware

Malware Config

Targets

    • Target
      drw
    • Size 2.7MB
    • SHA256 a1ae3bd40b816aac7714d71150febe200c2ed230b21613c43ff6519c51cd2531
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    8/10
    adwarebootkitdefense_evasiondiscoveryexecutioninstallerpersistenceprivilege_escalationspyware

    • Drops file in Drivers directory

    • Creates new service(s)

      persistenceexecution

    • Impair Defenses: Safe Mode Boot

      defense_evasion

    • Stops running service(s)

      defense_evasionexecution

    • Downloads MZ/PE file

    • Enumerates connected drives

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

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • Modifies Windows Firewall

      defense_evasion

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

      bootkitpersistence

    • Checks computer location settings

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

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

Windows Command Shell

1
T1059.003

System Services

2
T1569

Service Execution

2
T1569.002

Persistence

Create or Modify System Process

3
T1543

Windows Service

3
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Privilege Escalation

Create or Modify System Process

3
T1543

Windows Service

3
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Defense Evasion

Impair Defenses

3
T1562

Disable or Modify System Firewall

1
T1562.004

Safe Mode Boot

1
T1562.009

Modify Registry

2
T1112

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Credential Access

Discovery

Peripheral Device Discovery

3
T1120

Query Registry

6
T1012

System Information Discovery

6
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

System Time Discovery

1
T1124

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Service Stop

1
T1489

Tasks