Overview

overview

10

Static

static

5

e6507f3604...5a.exe

windows10-2004-x64

10

e6507f3604...5a.exe

windows11-21h2-x64

10

Sharing

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General

  • Target
    e6507f36045c13dee736bea44d61e90169ea69de61e9dc50b5743960c5b8f85a.zip.zip
  • Size 204KB
  • Sample250727-tjnc2syry2
  • SHA256 a041e6fa9a0476f1af4cf8932ec0a319b54348d1afba64eb5e6b707520b2e3a2
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
blacknetbotdefense_evasiondiscoveryexecutionpersistencetrojan

Malware Config

Extracted

Family

  • blacknet

Version

  • v3.7.0 Public

Botnet

  • Bot

C2

  • http://furyx.de/panel

Mutex

  • BN[c1916af6f3a468e5b6f5c7f6b9c78982]

Attributes
  • antivm

    false

  • elevate_uac

    false

  • install_name

    WindowsUpdate.exe

  • splitter

    |BN|

  • start_name

    e162b1333458a713bc6916cc8ac4110c

  • startup

    false

  • usb_spread

    true

aes.plain

Targets

    • Target
      e6507f36045c13dee736bea44d61e90169ea69de61e9dc50b5743960c5b8f85a.exe
    • Size 220KB
    • SHA256 e6507f36045c13dee736bea44d61e90169ea69de61e9dc50b5743960c5b8f85a
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    blacknetbotdefense_evasiondiscoveryexecutionpersistencetrojan

    • BlackNET

      BlackNET is an open source remote access tool written in VB.NET.

      trojanblacknet

    • BlackNET payload

    • Blacknet family

      blacknet

    • Contains code to disable Windows Defender

      A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

    • Modifies Windows Defender Real-time Protection settings

      defense_evasiontrojan

    • UAC bypass

      defense_evasiontrojan

    • Checks computer location settings

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

    • Executes dropped EXE

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

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

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

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

Impair Defenses

2
T1562

Disable or Modify Tools

2
T1562.001

Modify Registry

4
T1112

Credential Access

Discovery

Query Registry

2
T1012

Remote System Discovery

1
T1018

System Information Discovery

2
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

Tasks