Overview

overview

10

Static

static

3

AIDS_NT.exe

windows10-2004-x64

AIDS_NT.exe

windows11-ltsc_2024-x64

Sharing

Copy URL Twitter E-mail

General

  • Target
    AIDS_NT.exe
  • Size 924KB
  • Sample260822-vkxtjswhka
  • SHA256 61ee3bd82bed03dd0f3fb9bc9b76b7da972a90d3c12c8e4d5e967440a2f04c00
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defense_evasiondiscoveryexecutionpersistenceransomwareupx

Malware Config

Targets

    • Target
      AIDS_NT.exe
    • Size 924KB
    • SHA256 61ee3bd82bed03dd0f3fb9bc9b76b7da972a90d3c12c8e4d5e967440a2f04c00
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    defense_evasiondiscoveryexecutionpersistenceransomwareupx

    • Modifies WinLogon for persistence

      persistence

    • Detected Nirsoft tools

      Free utilities often used by attackers which can steal passwords, product keys, etc.

    • NirSoft NirCmd

      NirCmd is a lightweight Windows command-line tool for automating system tasks

    • Blocks application from running via registry modification

      Adds application to list of disallowed applications.

      defense_evasion

    • Disables RegEdit via registry modification

      defense_evasion

    • Disables Task Manager via registry modification

      defense_evasion

    • Disables use of System Restore points

      defense_evasion

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

      defense_evasion

    • Checks computer location settings

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

    • Executes dropped EXE

    • Modifies system executable filetype association

      persistence

    • Sets desktop wallpaper using registry

      ransomware

    • UPX packed file

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

      upx
    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

Windows Command Shell

1
T1059.003

Persistence

Boot or Logon Autostart Execution

1
T1547

Winlogon Helper DLL

1
T1547.004

Event Triggered Execution

1
T1546

Change Default File Association

1
T1546.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Winlogon Helper DLL

1
T1547.004

Event Triggered Execution

1
T1546

Change Default File Association

1
T1546.001

Defense Evasion

Hide Artifacts

2
T1564

Hidden Files and Directories

2
T1564.001

Modify Registry

3
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Defacement

1
T1491

Inhibit System Recovery

1
T1490

Tasks