njrat | 47342de45e34a284c82ec4c391e918f7231ed46b70f710ff4f3a3a3988cc4afe

Analysis

max time kernel
149s
max time network
143s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
14-02-2025 04:23

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General

Target

Server.exe
Size

23KB
MD5

1e187a967187421b46649529e4d293d6
SHA1

221a9ee8a2790bc0867066f65c2c22ae41f7bf4b
SHA256

47342de45e34a284c82ec4c391e918f7231ed46b70f710ff4f3a3a3988cc4afe
SHA512

a866e06dbdde9d4ae5a54983dbe23ad2a1601bda974535ea10e45e4184f95209401914c23fde6174933798525a27eede72f9bc9285fae8abc63e539d0fc994fb
SSDEEP

384:2c6ze6e1PAhJVzC3tC1im/BsTx46PgZ0rap9HBmRvR6JZlbw8hqIusZzZvM:ue9EJLN/yRpcnuH

Score

10^/10

njrat defense_evasion discovery persistence privilege_escalation trojan

Malware Config

Signatures

Njrat family
njrat
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
2260	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-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\21bf8d08a521f7ba4b2d7c6e11807f69 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Server.exe\" .."	Server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\21bf8d08a521f7ba4b2d7c6e11807f69 = "\"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

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

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

Suspicious use of AdjustPrivilegeToken 37 IoCs

description	pid	Process
Token: SeDebugPrivilege	908	Server.exe
Token: 33	908	Server.exe
Token: SeIncBasePriorityPrivilege	908	Server.exe
Token: 33	908	Server.exe
Token: SeIncBasePriorityPrivilege	908	Server.exe
Token: 33	908	Server.exe
Token: SeIncBasePriorityPrivilege	908	Server.exe
Token: 33	908	Server.exe
Token: SeIncBasePriorityPrivilege	908	Server.exe
Token: 33	908	Server.exe
Token: SeIncBasePriorityPrivilege	908	Server.exe
Token: 33	908	Server.exe
Token: SeIncBasePriorityPrivilege	908	Server.exe
Token: 33	908	Server.exe
Token: SeIncBasePriorityPrivilege	908	Server.exe
Token: 33	908	Server.exe
Token: SeIncBasePriorityPrivilege	908	Server.exe
Token: 33	908	Server.exe
Token: SeIncBasePriorityPrivilege	908	Server.exe
Token: 33	908	Server.exe
Token: SeIncBasePriorityPrivilege	908	Server.exe
Token: 33	908	Server.exe
Token: SeIncBasePriorityPrivilege	908	Server.exe
Token: 33	908	Server.exe
Token: SeIncBasePriorityPrivilege	908	Server.exe
Token: 33	908	Server.exe
Token: SeIncBasePriorityPrivilege	908	Server.exe
Token: 33	908	Server.exe
Token: SeIncBasePriorityPrivilege	908	Server.exe
Token: 33	908	Server.exe
Token: SeIncBasePriorityPrivilege	908	Server.exe
Token: 33	908	Server.exe
Token: SeIncBasePriorityPrivilege	908	Server.exe
Token: 33	908	Server.exe
Token: SeIncBasePriorityPrivilege	908	Server.exe
Token: 33	908	Server.exe
Token: SeIncBasePriorityPrivilege	908	Server.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 908 wrote to memory of 2260	908	Server.exe	29
PID 908 wrote to memory of 2260	908	Server.exe	29
PID 908 wrote to memory of 2260	908	Server.exe	29
PID 908 wrote to memory of 2260	908	Server.exe	29

C:\Users\Admin\AppData\Local\Temp\Server.exe
"C:\Users\Admin\AppData\Local\Temp\Server.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:908
- 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:2260

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/908-0-0x00000000748E1000-0x00000000748E2000-memory.dmp

Filesize
4KB

Download
memory/908-1-0x00000000748E0000-0x0000000074E8B000-memory.dmp

Filesize
5.7MB

Download
memory/908-2-0x00000000748E0000-0x0000000074E8B000-memory.dmp

Filesize
5.7MB

Download
memory/908-3-0x00000000748E0000-0x0000000074E8B000-memory.dmp

Filesize
5.7MB

Download
memory/908-4-0x00000000748E0000-0x0000000074E8B000-memory.dmp

Filesize
5.7MB

Download
memory/908-5-0x00000000748E0000-0x0000000074E8B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads