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
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    03-12-2024 14:22

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General

  • Target

    Server.exe

  • Size

    23KB

  • MD5

    1011ca14bd55e56a16a393744aefcc47

  • SHA1

    912b56d8a53e77db250a904c68afb00f39a98429

  • SHA256

    1048b9978e4e8d928c8f5c057c0c1ac6213b4f456b6cf83558e213742f780bea

  • SHA512

    e093b3d79e56691637bf00cf4d1610a3891b7f9501d9874a3ed5fd8f2056a758f6e3270e9435cbe02cf5c2cb37bc07436959d402f76ef11173f93545229d73b3

  • SSDEEP

    384:FweXCQIreJig/8Z7SS1fEBpng6tgL2IBPZVmRvR6JZlbw8hqIusZzZVT:aLq411eRpcnuq

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
  • Drops startup file 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • 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 use of AdjustPrivilegeToken 37 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⤵
    • Drops startup file
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2140
    • 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:2624

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/2140-0-0x0000000074E61000-0x0000000074E62000-memory.dmp

    Filesize

    4KB

    Download

  • memory/2140-1-0x0000000074E60000-0x000000007540B000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2140-2-0x0000000074E60000-0x000000007540B000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2140-4-0x0000000074E60000-0x000000007540B000-memory.dmp

    Filesize

    5.7MB

    Download