Overview

overview

10

Static

static

3

Steam.exe

windows10-2004-x64

10

Steam.exe

windows11-ltsc_2024-x64

10

Analysis

  • user interaction
    yes
  • max time kernel
    34s
  • max time network
    33s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    01/10/2026, 18:13

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General

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

Malware Config

Signatures

  • Family: njRAT/Bladabindi

    Widely used RAT written in .NET.

    trojannjrat
  • Modifies Windows Firewall 2 TTPs 1 IoCs
    defense_evasion
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Creates a file in the Startup directory 1 TTPs 3 IoCs

    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 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

    persistenceprivilege_escalation
  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 29 IoCs
  • Suspicious use of AdjustPrivilegeToken 10 IoCs
  • Suspicious use of FindShellTrayWindow 53 IoCs
  • Suspicious use of SendNotifyMessage 53 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Steam.exe
    "C:\Users\Admin\AppData\Local\Temp\Steam.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4276
    • C:\Users\Admin\AppData\Roaming\Steam.exe
      "C:\Users\Admin\AppData\Roaming\Steam.exe"
      2⤵
      • Creates a file in the Startup directory
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4232
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\Steam.exe" "Steam.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:1120
  • C:\Windows\system32\taskmgr.exe
    "C:\Windows\system32\taskmgr.exe" /4
    1⤵
    • Creates a file in the Startup directory
    • Checks SCSI registry key(s)
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:2692
  • C:\Users\Admin\AppData\Roaming\Steam.exe
    "C:\Users\Admin\AppData\Roaming\Steam.exe" ..
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:964
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:1748

    Network

          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

          Replay Monitor

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          Downloads

          Steam.exe.log
          • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\Steam.exe.log
          • Size 319B
          • SHA256 ea92f8291b86440b98162409b1f9f04470455c22be01a1480ea5ebc37eb168dc
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          Steam.exe
          • Path C:\Users\Admin\AppData\Roaming\Steam.exe
          • Size 260KB
          • SHA256 ed2b5dc45fd0dc586afa7533bfb0d02c3f562b154582e4cee43b70f4c83caafd
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          memory/2692-26-0x000001D52B220000-0x000001D52B221000-memory.dmp
          Download

          memory/2692-29-0x000001D52B220000-0x000001D52B221000-memory.dmp
          Download

          memory/2692-23-0x000001D52B220000-0x000001D52B221000-memory.dmp
          Download

          memory/2692-24-0x000001D52B220000-0x000001D52B221000-memory.dmp
          Download

          memory/2692-19-0x000001D52B220000-0x000001D52B221000-memory.dmp
          Download

          memory/2692-18-0x000001D52B220000-0x000001D52B221000-memory.dmp
          Download

          memory/2692-17-0x000001D52B220000-0x000001D52B221000-memory.dmp
          Download

          memory/2692-25-0x000001D52B220000-0x000001D52B221000-memory.dmp
          Download

          memory/2692-28-0x000001D52B220000-0x000001D52B221000-memory.dmp
          Download

          memory/2692-27-0x000001D52B220000-0x000001D52B221000-memory.dmp
          Download

          memory/4232-16-0x0000000075040000-0x00000000755F1000-memory.dmp
          Download

          memory/4232-15-0x0000000075040000-0x00000000755F1000-memory.dmp
          Download

          memory/4232-33-0x0000000075040000-0x00000000755F1000-memory.dmp
          Download

          memory/4232-34-0x0000000075040000-0x00000000755F1000-memory.dmp
          Download

          memory/4276-0-0x0000000000D30000-0x0000000000D40000-memory.dmp
          Download

          memory/4276-1-0x0000000075042000-0x0000000075044000-memory.dmp
          Download