njrat | 0e11b52f037bdc1d8952157c101ebb3602e2b00aa415f7936f3a6eba84761786

Analysis

max time kernel
150s
max time network
147s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
01/10/2026, 17:58

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General

Target
Server.exe
Size 23KB
Sample261001-wkcn2sterd
SHA256 0e11b52f037bdc1d8952157c101ebb3602e2b00aa415f7936f3a6eba84761786
MD5 ffc1fde18dafdecb64646246376b3af3
SHA1 220e1e12a9f43c40c541ec1d37625b99ded25de1
SHA512 5584c60ee559e3870b199f3036fb32a9a68f510e6524bc89debb9d383def7b9f9f03c501ac4c9e4d6032efd8654e49ed94810bf564619a07df164a4eb99da588
SSDEEP 384:bQeCo2zmZbQHkJeCdUwBvQ61gjuQBnB9mRvR6JZlbw8hqIusZzZQY/:c5yBVd7RpcnuC
TLSH
T1DAB2094E3FA98856C5AC1774C6B5965003B491870413EE2FCCC954CBAFB3BD92D48AF9
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

defense_evasion discovery njrat persistence privilege_escalation trojan

Malware Config

Signatures

Family: njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat

Modifies Windows Firewall 2 TTPs 1 IoCs

defense_evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
4836	netsh.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-461973139-3212354679-1508698038-1000\Software\Microsoft\Windows\CurrentVersion\Run\674d97251d8217da24711a85f9cd9e97 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Server.exe\" .."	Server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\674d97251d8217da24711a85f9cd9e97 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Server.exe\" .."	Server.exe

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.

persistence privilege_escalation

Netsh Helper DLL

T1546.007

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe

Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

discovery

System Network Configuration Discovery

T1016

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain	Server.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname	Server.exe

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

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Server.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Server.exe

Suspicious use of AdjustPrivilegeToken 37 IoCs

description	pid	Process
Token: SeDebugPrivilege	4896	Server.exe
Token: 33	4896	Server.exe
Token: SeIncBasePriorityPrivilege	4896	Server.exe
Token: 33	4896	Server.exe
Token: SeIncBasePriorityPrivilege	4896	Server.exe
Token: 33	4896	Server.exe
Token: SeIncBasePriorityPrivilege	4896	Server.exe
Token: 33	4896	Server.exe
Token: SeIncBasePriorityPrivilege	4896	Server.exe
Token: 33	4896	Server.exe
Token: SeIncBasePriorityPrivilege	4896	Server.exe
Token: 33	4896	Server.exe
Token: SeIncBasePriorityPrivilege	4896	Server.exe
Token: 33	4896	Server.exe
Token: SeIncBasePriorityPrivilege	4896	Server.exe
Token: 33	4896	Server.exe
Token: SeIncBasePriorityPrivilege	4896	Server.exe
Token: 33	4896	Server.exe
Token: SeIncBasePriorityPrivilege	4896	Server.exe
Token: 33	4896	Server.exe
Token: SeIncBasePriorityPrivilege	4896	Server.exe
Token: 33	4896	Server.exe
Token: SeIncBasePriorityPrivilege	4896	Server.exe
Token: 33	4896	Server.exe
Token: SeIncBasePriorityPrivilege	4896	Server.exe
Token: 33	4896	Server.exe
Token: SeIncBasePriorityPrivilege	4896	Server.exe
Token: 33	4896	Server.exe
Token: SeIncBasePriorityPrivilege	4896	Server.exe
Token: 33	4896	Server.exe
Token: SeIncBasePriorityPrivilege	4896	Server.exe
Token: 33	4896	Server.exe
Token: SeIncBasePriorityPrivilege	4896	Server.exe
Token: 33	4896	Server.exe
Token: SeIncBasePriorityPrivilege	4896	Server.exe
Token: 33	4896	Server.exe
Token: SeIncBasePriorityPrivilege	4896	Server.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 4896 wrote to memory of 4836	4896	Server.exe	91

C:\Users\Admin\AppData\Local\Temp\Server.exe
"C:\Users\Admin\AppData\Local\Temp\Server.exe"
1⤵
- Adds Run key to start application
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4896
- 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:4836

C:\Users\Admin\AppData\Local\Temp\Server.exe
"C:\Users\Admin\AppData\Local\Temp\Server.exe" ..
1⤵
- System Location Discovery: System Language Discovery
PID:3932