Overview

overview

10

Static

static

10

Server.exe

windows7-x64

10

Server.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    26-11-2024 03:32

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General

  • Target

    Server.exe

  • Size

    23KB

  • MD5

    4206d7b8ea17ff84d4d17be8af877a6f

  • SHA1

    5a5e85b13fc90453a036a141fb84b59da7fc9840

  • SHA256

    c84613e448763706501695c1a2c3736045af7d002f9bde59f9eb5a400d46e129

  • SHA512

    9b31b7ac1a6fca36166c9c99c356ce3e11c96fffa3845d0c606d656df4c5b7c753c75c98a1fdaafaf44c490be1468df1cf3d6433bc4667b7d163cfbc60629d65

  • SSDEEP

    384:bqMKyOkBkRbohza8yuTUt7u06lgV4a5pzomRvR6JZlbw8hqIusZzZ3ch:J/YI1TaRpcnuT

Score
10/10
njratdiscoveryevasionpersistenceprivilege_escalationtrojan

Malware Config

Signatures

  • Njrat family
    njrat
  • njRAT/Bladabindi

    Widely used RAT written in .NET.

    trojannjrat
  • Modifies Windows Firewall 2 TTPs 1 IoCs
    evasion
  • 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 2 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 38 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Server.exe
    "C:\Users\Admin\AppData\Local\Temp\Server.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2872
    • C:\Windows\SysWOW64\netsh.exe
      netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Server.exe" "Server.exe" ENABLE
      2⤵
      • Modifies Windows Firewall
      • Event Triggered Execution: Netsh Helper DLL
      • System Location Discovery: System Language Discovery
      PID:2564
  • C:\Windows\system32\taskmgr.exe
    "C:\Windows\system32\taskmgr.exe" /4
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:2312

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/2312-3-0x0000000140000000-0x00000001405E8000-memory.dmp

    Filesize

    5.9MB

    Download

  • memory/2312-4-0x0000000140000000-0x00000001405E8000-memory.dmp

    Filesize

    5.9MB

    Download

  • memory/2872-0-0x0000000074661000-0x0000000074662000-memory.dmp

    Filesize

    4KB

    Download

  • memory/2872-1-0x0000000074660000-0x0000000074C0B000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2872-2-0x0000000074660000-0x0000000074C0B000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2872-5-0x0000000074660000-0x0000000074C0B000-memory.dmp

    Filesize

    5.7MB

    Download