Overview

overview

10

Static

static

10

DangerousPayload.exe

windows7-x64

10

DangerousPayload.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    150s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    14-01-2025 07:23

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General

  • Target

    DangerousPayload.exe

  • Size

    37KB

  • MD5

    9bbb2f1dc80afe6ecf27b31794a02d32

  • SHA1

    bac66f84175fe186c478a340c2f31fde5f57d980

  • SHA256

    7aa11361505f0ea1e8bf02e1529a5104f8186da3d52f26409281f6d4783bc77f

  • SHA512

    341ff7add58a74c3aef78340e6c44ae05b8c8b0ba16c0d3d20a668f2923550faee171563bc8541ff0ef956002609bdda4337a484d470fca6528237bc170aac3e

  • SSDEEP

    384:Ga5siDlT95hL5YyUvjh/xOi4aaF3ArAF+rMRTyN/0L+EcoinblneHQM3epzXGNrt:DHv5zUvjhDlaRArM+rMRa8NuM1t

Score
10/10
njrathackeddiscoveryevasionpersistenceprivilege_escalationtrojan

Malware Config

Extracted

Family

njrat

Version

im523

Botnet

HacKed

C2

susiahat24199a.ddns.net:5552

Mutex

b94fe95343d85bb18dd50d099af4eb73

Attributes
  • reg_key

    b94fe95343d85bb18dd50d099af4eb73

  • 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
  • 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 4 IoCs

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

    discovery
  • Kills process with taskkill 1 IoCs
    evasion
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 36 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\DangerousPayload.exe
    "C:\Users\Admin\AppData\Local\Temp\DangerousPayload.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1660
    • C:\Users\Admin\server.exe
      "C:\Users\Admin\server.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:3020
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\server.exe" "server.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:2908
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /F /IM System32.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2712

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

Replay Monitor

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Downloads

  • \Users\Admin\server.exe
    Filesize

    37KB

    MD5

    9bbb2f1dc80afe6ecf27b31794a02d32

    SHA1

    bac66f84175fe186c478a340c2f31fde5f57d980

    SHA256

    7aa11361505f0ea1e8bf02e1529a5104f8186da3d52f26409281f6d4783bc77f

    SHA512

    341ff7add58a74c3aef78340e6c44ae05b8c8b0ba16c0d3d20a668f2923550faee171563bc8541ff0ef956002609bdda4337a484d470fca6528237bc170aac3e

    Download Submit

  • memory/1660-0-0x00000000747D1000-0x00000000747D2000-memory.dmp

    Filesize

    4KB

    Download

  • memory/1660-1-0x00000000747D0000-0x0000000074D7B000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/1660-2-0x00000000747D0000-0x0000000074D7B000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/1660-11-0x00000000747D0000-0x0000000074D7B000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/3020-10-0x00000000747D0000-0x0000000074D7B000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/3020-22-0x00000000747D0000-0x0000000074D7B000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/3020-21-0x00000000747D0000-0x0000000074D7B000-memory.dmp

    Filesize

    5.7MB

    Download