Overview

overview

10

Static

static

3

2eef62668e...c8.exe

windows10-2004-x64

10

2eef62668e...c8.exe

windows11-ltsc_2024-x64

10

Torrent (1).exe

windows10-2004-x64

10

Torrent (1).exe

windows11-ltsc_2024-x64

10

Torrent (1).js

windows10-2004-x64

10

Torrent (1).js

windows11-ltsc_2024-x64

10

Torrent (1).vbs

windows10-2004-x64

5

Torrent (1).vbs

windows11-ltsc_2024-x64

5

Torrent (2).js

windows10-2004-x64

8

Torrent (2).js

windows11-ltsc_2024-x64

8

Torrent (3).js

windows10-2004-x64

8

Torrent (3).js

windows11-ltsc_2024-x64

8

Torrent+ I...er.exe

windows10-2004-x64

5

Torrent+ I...er.exe

windows11-ltsc_2024-x64

4

Sharing

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General

  • Target
    2eef62668e8a3ef3124b823f990809c8.exe
  • Size 2.8MB
  • Sample261114-d65b3sct2y
  • SHA256 46080f459577529059ace98473cfd80693744444c8ef828ff5f7377eb10906a0
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
donutloadernjratquasarhoneysteamdefense_evasiondiscoveryexecutioninstallerloadermodulepersistenceprivilege_escalationratspywaretrojan

Malware Config

Extracted

Family

  • quasar

Attributes
  • encryption_key

    6D14F6DAC4C83A0E876468CF4054D970F9D50856

  • key_salt

    5a23f8394640cb9e40658446a04c0bbae82dc93d0470e1b2a406a90fd2520382

  • reconnect_delay

    3000

Extracted

Family

  • njrat

Version

  • 0.7d

Botnet

  • honeysteam

C2

  • steamupdate.ydns.eu:5553

Mutex

  • dc2b30d9dc167c8d0747aeab32b0a469

Attributes
  • reg_key

    dc2b30d9dc167c8d0747aeab32b0a469

  • splitter

    |'|'|

Targets

    • Target
      2eef62668e8a3ef3124b823f990809c8.exe
    • Size 2.8MB
    • SHA256 46080f459577529059ace98473cfd80693744444c8ef828ff5f7377eb10906a0
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    honeysteamdefense_evasiondiscoveryexecutiondonutloadernjratquasarloadermodulepersistenceprivilege_escalationratspywaretrojan

    • Detects DonutLoader

      loader

    • Family: DonutLoader

      DonutLoader is a position-independent code that enables in-memory execution of VBScript, JScript, EXE, DLL files and dotNET assemblies.

      loaderdonutloader

    • Family: Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Family: njRAT/Bladabindi

      Widely used RAT written in .NET.

      trojannjrat

    • PulsaRAT library module

      Core component of the PulsaRAT remote access trojan, implementing its command protocol for hidden remote desktop, UAC bypass, persistence, and credential theft.

      ratmodule

    • Quasar payload

    • Badlisted process makes network request

      Network request originating from process or tool commonly abused by malware.

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

      persistence

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

      execution

    • Modifies Windows Firewall

      defense_evasion

    • Checks computer location settings

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

    • Creates a file in the Startup directory

      A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.

      persistenceprivilege_escalation

    • Executes dropped EXE

    • Adds Run key to start application

      persistence

    • Looks up external IP address via web service

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

      discovery

    • Drops file in System32 directory

    • Executes a VBScript file via the Windows Script Host.

      execution
    behavioral1behavioral2
    • Target
      Torrent (1).exe
    • Size 1.5MB
    • SHA256 77418877695d1503d574b65ccb18f24fc0e963ec78659e7cabc2dbf91bec009d
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    discoveryexecutiondonutloaderquasarloadermodulepersistenceprivilege_escalationratspywaretrojan

    • Detects DonutLoader

      loader

    • Family: DonutLoader

      DonutLoader is a position-independent code that enables in-memory execution of VBScript, JScript, EXE, DLL files and dotNET assemblies.

      loaderdonutloader

    • Family: Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • PulsaRAT library module

      Core component of the PulsaRAT remote access trojan, implementing its command protocol for hidden remote desktop, UAC bypass, persistence, and credential theft.

      ratmodule

    • Quasar payload

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

      persistence

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

      execution

    • Creates a file in the Startup directory

      A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.

      persistenceprivilege_escalation

    • Adds Run key to start application

      persistence

    • Drops file in System32 directory

    behavioral3behavioral4
    • Target
      Torrent (1).js
    • Size 67KB
    • SHA256 eb0ce85631d01c535145780a5e63822193b20f7b466d3b614dccf8963f8a34ca
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    honeysteamdefense_evasiondiscoveryexecutionnjratpersistenceprivilege_escalationtrojan

    • Family: njRAT/Bladabindi

      Widely used RAT written in .NET.

      trojannjrat

    • Modifies Windows Firewall

      defense_evasion

    • Checks computer location settings

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

    • Executes dropped EXE

    • Adds Run key to start application

      persistence
    behavioral5behavioral6
    • Target
      Torrent (1).vbs
    • Size 951KB
    • SHA256 b59622e8089a72a3523183009aa299380903204e548c7e9c827dd33412102433
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    5/10
    execution

    • Executes a VBScript file via the Windows Script Host.

      execution
    behavioral7behavioral8
    • Target
      Torrent (2).js
    • Size 913KB
    • SHA256 49396c260349911dcafee456d25cfbec7edf9a4076733f6c4b00acd8098c0107
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    8/10
    discoveryexecutionpersistenceprivilege_escalation

    • Badlisted process makes network request

      Network request originating from process or tool commonly abused by malware.

    • Checks computer location settings

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

    • Creates a file in the Startup directory

      A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.

      persistenceprivilege_escalation

    • Adds Run key to start application

      persistence

    • Looks up external IP address via web service

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

      discovery
    behavioral10behavioral9
    • Target
      Torrent (3).JS
    • Size 481KB
    • SHA256 e67ed3eafac926503f185cbaf44d1b096b1eee07350de100e97e9b6979ebef80
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    8/10
    discoveryexecutionpersistenceprivilege_escalation

    • Badlisted process makes network request

      Network request originating from process or tool commonly abused by malware.

    • Checks computer location settings

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

    • Creates a file in the Startup directory

      A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.

      persistenceprivilege_escalation

    • Adds Run key to start application

      persistence

    • Looks up external IP address via web service

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

      discovery
    behavioral11behavioral12
    • Target
      Torrent+ Installer.exe
    • Size 794KB
    • SHA256 053b86ed48c5a1b1aa1617979a010a868e3dedfdf9555df08ea12c022b578476
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    5/10
    discovery

    • Checks computer location settings

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

    behavioral13behavioral14

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

3
T1059

JavaScript

1
T1059.007

PowerShell

1
T1059.001

Visual Basic

1
T1059.005

Persistence

Boot or Logon Autostart Execution

3
T1547

Active Setup

1
T1547.014

Registry Run Keys / Startup Folder

2
T1547.001

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

3
T1547

Active Setup

1
T1547.014

Registry Run Keys / Startup Folder

2
T1547.001

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Defense Evasion

Impair Defenses

1
T1562

Disable or Modify System Firewall

1
T1562.004

Modify Registry

2
T1112

Credential Access

Discovery

Browser Information Discovery

1
T1217

Query Registry

3
T1012

System Information Discovery

4
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

System Network Configuration Discovery

2
T1016

Internet Connection Discovery

1
T1016.001

System Time Discovery

1
T1124

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks

static1

installer
Score
3/10

behavioral1

honeysteamdefense_evasiondiscoveryexecutiondonutloadernjratquasarloadermodulepersistenceprivilege_escalationratspywaretrojan
Score
10/10

behavioral2

honeysteamdefense_evasiondiscoveryexecutiondonutloadernjratquasarloadermodulepersistenceprivilege_escalationratspywaretrojan
Score
10/10

behavioral3

discoveryexecutiondonutloaderquasarloadermodulepersistenceprivilege_escalationratspywaretrojan
Score
10/10

behavioral4

discoveryexecutiondonutloaderquasarloadermodulepersistenceprivilege_escalationratspywaretrojan
Score
10/10

behavioral5

honeysteamdefense_evasiondiscoveryexecutionnjratpersistenceprivilege_escalationtrojan
Score
10/10

behavioral6

honeysteamdefense_evasiondiscoveryexecutionnjratpersistenceprivilege_escalationtrojan
Score
10/10

behavioral7

execution
Score
5/10

behavioral8

execution
Score
5/10

behavioral9

discoveryexecutionpersistenceprivilege_escalation
Score
8/10

behavioral10

discoveryexecutionpersistenceprivilege_escalation
Score
8/10

behavioral11

discoveryexecutionpersistenceprivilege_escalation
Score
8/10

behavioral12

discoveryexecutionpersistenceprivilege_escalation
Score
8/10

behavioral13

discovery
Score
5/10

behavioral14

discovery
Score
4/10