Overview

overview

10

Static

static

10

Setup.exe

windows7-x64

10

Setup.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    149s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    10-01-2025 14:59

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General

  • Target

    Setup.exe

  • Size

    37KB

  • MD5

    e3383ba53ecebb2ecb7063fcccff17dc

  • SHA1

    cd1384e86f194f95c8939418d30c80c56c412645

  • SHA256

    07eaa040d73e39f53851533c8c09d92cd3228d099236e3995b19b4c8a1c15ada

  • SHA512

    563f952147c529230824ae6feaababb3ccbe7eca324d71892d2d4f68ffc0eb6eaf1edce29662c63563cd1f7c6de6e4468b35e2b96a7eb43c93aa7367c2877d34

  • SSDEEP

    384:LpRWUiDZblmJEpRGyEff1PNN0CYSmkhrAF+rMRTyN/0L+EcoinblneHQM3epzXPL:9R6HpR9Eff1P0Clm8rM+rMRa8NuxZt

Score
10/10
njrathackeddiscoveryevasionpersistenceprivilege_escalationtrojan

Malware Config

Extracted

Family

njrat

Version

im523

Botnet

HacKed

C2

3.121.113.182:1337

Mutex

0cf848bcebf5d082d484e0ffe1e8f23e

Attributes
  • reg_key

    0cf848bcebf5d082d484e0ffe1e8f23e

  • splitter

    |'|'|

Signatures

  • Njrat family
    njrat
  • njRAT/Bladabindi

    Widely used RAT written in .NET.

    trojannjrat
  • Modifies Windows Firewall 2 TTPs 1 IoCs
    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
  • 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 use of AdjustPrivilegeToken 35 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Setup.exe
    "C:\Users\Admin\AppData\Local\Temp\Setup.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1120
    • C:\Users\Admin\AppData\Local\Temp\WindowsServer.exe
      "C:\Users\Admin\AppData\Local\Temp\WindowsServer.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1732
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\WindowsServer.exe" "WindowsServer.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:2080

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

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

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\WindowsServer.exe
    Filesize

    37KB

    MD5

    e3383ba53ecebb2ecb7063fcccff17dc

    SHA1

    cd1384e86f194f95c8939418d30c80c56c412645

    SHA256

    07eaa040d73e39f53851533c8c09d92cd3228d099236e3995b19b4c8a1c15ada

    SHA512

    563f952147c529230824ae6feaababb3ccbe7eca324d71892d2d4f68ffc0eb6eaf1edce29662c63563cd1f7c6de6e4468b35e2b96a7eb43c93aa7367c2877d34

    Download Submit

  • memory/1120-0-0x00000000744A1000-0x00000000744A2000-memory.dmp

    Filesize

    4KB

    Download

  • memory/1120-1-0x00000000744A0000-0x0000000074A4B000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/1120-2-0x00000000744A0000-0x0000000074A4B000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/1120-12-0x00000000744A0000-0x0000000074A4B000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/1732-10-0x00000000744A0000-0x0000000074A4B000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/1732-13-0x00000000744A0000-0x0000000074A4B000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/1732-11-0x00000000744A0000-0x0000000074A4B000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/1732-15-0x00000000744A0000-0x0000000074A4B000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/1732-16-0x00000000744A0000-0x0000000074A4B000-memory.dmp

    Filesize

    5.7MB

    Download