Overview

overview

10

Static

static

10

SteamDetector.exe

windows7-x64

10

SteamDetector.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    150s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    23/01/2025, 06:05

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General

  • Target

    SteamDetector.exe

  • Size

    215KB

  • MD5

    c7bb7b93bc4327b0190c852138cc4f0c

  • SHA1

    af779bc979d9d4515510b60511ef14d1d3331f47

  • SHA256

    bcb6f8e7702380c8f2eec6393a4a4d414027d75786593072e524aef7f4d232cd

  • SHA512

    56a4fe9007421e2a0a0afbfc12d1b3fa8544ff71986282292608966725e2a436b751fc4aa7a7bb99a0dfe50aada7419c4450d01dd94ac78251ab8ce33d432d55

  • SSDEEP

    1536:56N9uMvWCo+gRJNQkZqH5u3JPyaoBypISq8JhrCdupRKV:567ukc+yJSkA5u3JPn++rq8JhudupRK

Score
10/10
njrathackeddefense_evasiondiscoverypersistenceprivilege_escalationtrojan

Malware Config

Extracted

Family

njrat

Version

im523

Botnet

HacKed

C2

127.0.0.1:5552

Mutex

46422e05e6e5062fec6d0ab906669fb9

Attributes
  • reg_key

    46422e05e6e5062fec6d0ab906669fb9

  • splitter

    |'|'|

Signatures

  • Njrat family
    njrat
  • njRAT/Bladabindi

    Widely used RAT written in .NET.

    trojannjrat
  • Modifies Windows Firewall 2 TTPs 1 IoCs
    defense_evasion
  • Drops startup file 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Drops autorun.inf file 1 TTPs 5 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • 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 3 IoCs

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

    discovery
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 35 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SteamDetector.exe
    "C:\Users\Admin\AppData\Local\Temp\SteamDetector.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:772
    • C:\Users\Admin\AppData\Roaming\SteamDetector.exe
      "C:\Users\Admin\AppData\Roaming\SteamDetector.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • Drops autorun.inf file
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2320
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\SteamDetector.exe" "SteamDetector.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:2828

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Replication Through Removable Media

1
T1091

Execution

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

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Privilege Escalation

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

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

System Information Discovery

1
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Replication Through Removable Media

1
T1091

Collection

Command and Control

Exfiltration

Impact

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Downloads

  • C:\Users\Admin\AppData\Roaming\SteamDetector.exe
    Filesize

    215KB

    MD5

    c7bb7b93bc4327b0190c852138cc4f0c

    SHA1

    af779bc979d9d4515510b60511ef14d1d3331f47

    SHA256

    bcb6f8e7702380c8f2eec6393a4a4d414027d75786593072e524aef7f4d232cd

    SHA512

    56a4fe9007421e2a0a0afbfc12d1b3fa8544ff71986282292608966725e2a436b751fc4aa7a7bb99a0dfe50aada7419c4450d01dd94ac78251ab8ce33d432d55

    Download Submit

  • memory/772-0-0x0000000074C71000-0x0000000074C72000-memory.dmp

    Filesize

    4KB

    Download

  • memory/772-1-0x0000000074C70000-0x000000007521B000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/772-2-0x0000000074C70000-0x000000007521B000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/772-9-0x0000000074C70000-0x000000007521B000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2320-12-0x0000000074C70000-0x000000007521B000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2320-13-0x0000000074C70000-0x000000007521B000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2320-11-0x0000000074C70000-0x000000007521B000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2320-23-0x0000000074C70000-0x000000007521B000-memory.dmp

    Filesize

    5.7MB

    Download