Overview

overview

10

Static

static

3

Steam.exe

windows10-2004-x64

10

Steam.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    Steam.exe
  • Size 260KB
  • Sample261001-wt4twsty4n
  • SHA256 ed2b5dc45fd0dc586afa7533bfb0d02c3f562b154582e4cee43b70f4c83caafd
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
njratdefense_evasiondiscoverypersistenceprivilege_escalationtrojan

Malware Config

Targets

    • Target
      Steam.exe
    • Size 260KB
    • SHA256 ed2b5dc45fd0dc586afa7533bfb0d02c3f562b154582e4cee43b70f4c83caafd
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    defense_evasiondiscoverynjratpersistenceprivilege_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.

    • 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
    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2
T1547

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

2
T1547

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

1
T1112

Credential Access

Discovery

Peripheral Device Discovery

1
T1120

Query Registry

2
T1012

System Information Discovery

3
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks