Overview

overview

10

Static

static

3

nq5s9wl7gvzdpg3b.exe

windows10-ltsc_2021-x64

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General

  • Target
    nq5s9wl7gvzdpg3b.exe
  • Size 518KB
  • Sample260827-s8rakaxdlc
  • SHA256 268418ddbe7e3c9532364766ba4d8415dab38deb160c36d57992f79090635381
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defense_evasiondiscoveryevasionexecutionimpactpersistenceprivilege_escalationransomwaretrojanupx

Malware Config

Targets

    • Target
      nq5s9wl7gvzdpg3b.exe
    • Size 518KB
    • SHA256 268418ddbe7e3c9532364766ba4d8415dab38deb160c36d57992f79090635381
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    defense_evasiondiscoveryevasionexecutionimpactpersistenceprivilege_escalationransomwaretrojanupx

    • Modifies WinLogon for persistence

      persistence

    • Modifies Windows Defender DisableAntiSpyware settings

      evasiontrojan

    • Modifies Windows Defender Real-time Protection settings

      defense_evasiontrojan

    • UAC bypass

      defense_evasiontrojan

    • 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 use of System Restore points

      defense_evasion

    • Event Triggered Execution: AppInit DLLs

      Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.

      persistenceprivilege_escalation

    • Event Triggered Execution: Image File Execution Options Injection

      persistence

    • Modifies Windows Firewall

      defense_evasion

    • Checks computer location settings

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

    • Executes dropped EXE

    • Impair Defenses: Safe Mode Boot

      defense_evasion

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Checks whether UAC is enabled

      defense_evasiontrojan

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

      discovery

    • Command and Scripting Interpreter: PowerShell

      Start PowerShell.

      execution

    • ConfuserEx .NET packer

      Detects ConfuserEx .NET packer.

    • Drops file in System32 directory

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx
    behavioral1

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

2
T1059

PowerShell

1
T1059.001

Windows Command Shell

1
T1059.003

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Windows Management Instrumentation

1
T1047

Persistence

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Create or Modify System Process

3
T1543

Windows Service

3
T1543.003

Event Triggered Execution

3
T1546

AppInit DLLs

1
T1546.010

Image File Execution Options Injection

1
T1546.012

Netsh Helper DLL

1
T1546.007

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Create or Modify System Process

3
T1543

Windows Service

3
T1543.003

Event Triggered Execution

3
T1546

AppInit DLLs

1
T1546.010

Image File Execution Options Injection

1
T1546.012

Netsh Helper DLL

1
T1546.007

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Direct Volume Access

1
T1006

Impair Defenses

5
T1562

Disable or Modify System Firewall

1
T1562.004

Disable or Modify Tools

3
T1562.001

Safe Mode Boot

1
T1562.009

Indicator Removal

2
T1070

File Deletion

2
T1070.004

Modify Registry

6
T1112

Credential Access

Discovery

Peripheral Device Discovery

1
T1120

Query Registry

4
T1012

System Information Discovery

5
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

System Network Configuration Discovery

1
T1016

Internet Connection Discovery

1
T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Inhibit System Recovery

3
T1490

Tasks