njrat | 13998cf5ce3fc1b1fb20635ef2c1e476c880d72eec7afb7e8ec74808928700da

Analysis

max time kernel
152s
max time network
155s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
22/03/2025, 06:15

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General

Target

a6b7e1f8d965ec053cbb870a443d5513.exe
Size

23KB
MD5

a6b7e1f8d965ec053cbb870a443d5513
SHA1

d36498e62e780ab792a504d1e410c4ad68e6d323
SHA256

3afbd2930ef13cada1f74438a9d8a178c2a139062afc5baa3748fe649593ab89
SHA512

131102fcd77c278b4099345348ea9703c8a8f4254fb9671e4ca59abaf0588a0c77fd1230cc747f7d958136523dbd7d2ed89c7f8fed94bf9e4d64b9de9a5784af
SSDEEP

384:AoWtkEwn65rgjAsGipk55D16xgXakhbZD0mRvR6JZlbw8hqIusZzZIM:P7O89p2rRpcnuq

Score

10^/10

njrat hacked defense_evasion discovery persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

10.10.1.11:5552

Mutex

7657c14284185fbd3fb108b43c7467ba

Attributes

reg_key
7657c14284185fbd3fb108b43c7467ba
splitter
|'|'|

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
2868	netsh.exe

Executes dropped EXE 1 IoCs

pid	Process
2808	server.exe

Loads dropped DLL 1 IoCs

pid	Process
2208	a6b7e1f8d965ec053cbb870a443d5513.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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\7657c14284185fbd3fb108b43c7467ba = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\7657c14284185fbd3fb108b43c7467ba = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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 queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.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	a6b7e1f8d965ec053cbb870a443d5513.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	server.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	2808	server.exe
Token: 33	2808	server.exe
Token: SeIncBasePriorityPrivilege	2808	server.exe
Token: 33	2808	server.exe
Token: SeIncBasePriorityPrivilege	2808	server.exe
Token: 33	2808	server.exe
Token: SeIncBasePriorityPrivilege	2808	server.exe
Token: 33	2808	server.exe
Token: SeIncBasePriorityPrivilege	2808	server.exe
Token: 33	2808	server.exe
Token: SeIncBasePriorityPrivilege	2808	server.exe
Token: 33	2808	server.exe
Token: SeIncBasePriorityPrivilege	2808	server.exe
Token: 33	2808	server.exe
Token: SeIncBasePriorityPrivilege	2808	server.exe
Token: 33	2808	server.exe
Token: SeIncBasePriorityPrivilege	2808	server.exe
Token: 33	2808	server.exe
Token: SeIncBasePriorityPrivilege	2808	server.exe
Token: 33	2808	server.exe
Token: SeIncBasePriorityPrivilege	2808	server.exe
Token: 33	2808	server.exe
Token: SeIncBasePriorityPrivilege	2808	server.exe
Token: 33	2808	server.exe
Token: SeIncBasePriorityPrivilege	2808	server.exe
Token: 33	2808	server.exe
Token: SeIncBasePriorityPrivilege	2808	server.exe
Token: 33	2808	server.exe
Token: SeIncBasePriorityPrivilege	2808	server.exe
Token: 33	2808	server.exe
Token: SeIncBasePriorityPrivilege	2808	server.exe
Token: 33	2808	server.exe
Token: SeIncBasePriorityPrivilege	2808	server.exe
Token: 33	2808	server.exe
Token: SeIncBasePriorityPrivilege	2808	server.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2208 wrote to memory of 2808	2208	a6b7e1f8d965ec053cbb870a443d5513.exe	30
PID 2208 wrote to memory of 2808	2208	a6b7e1f8d965ec053cbb870a443d5513.exe	30
PID 2208 wrote to memory of 2808	2208	a6b7e1f8d965ec053cbb870a443d5513.exe	30
PID 2208 wrote to memory of 2808	2208	a6b7e1f8d965ec053cbb870a443d5513.exe	30
PID 2808 wrote to memory of 2868	2808	server.exe	31
PID 2808 wrote to memory of 2868	2808	server.exe	31
PID 2808 wrote to memory of 2868	2808	server.exe	31
PID 2808 wrote to memory of 2868	2808	server.exe	31

C:\Users\Admin\AppData\Local\Temp\a6b7e1f8d965ec053cbb870a443d5513.exe
"C:\Users\Admin\AppData\Local\Temp\a6b7e1f8d965ec053cbb870a443d5513.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2208
- C:\Users\Admin\AppData\Local\Temp\server.exe
  "C:\Users\Admin\AppData\Local\Temp\server.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2808
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:2868

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 Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Local\Temp\server.exe

Filesize
23KB

MD5
a6b7e1f8d965ec053cbb870a443d5513

SHA1
d36498e62e780ab792a504d1e410c4ad68e6d323

SHA256
3afbd2930ef13cada1f74438a9d8a178c2a139062afc5baa3748fe649593ab89

SHA512
131102fcd77c278b4099345348ea9703c8a8f4254fb9671e4ca59abaf0588a0c77fd1230cc747f7d958136523dbd7d2ed89c7f8fed94bf9e4d64b9de9a5784af

Download Submit
memory/2208-0-0x00000000745D1000-0x00000000745D2000-memory.dmp

Filesize
4KB

Download
memory/2208-1-0x00000000745D0000-0x0000000074B7B000-memory.dmp

Filesize
5.7MB

Download
memory/2208-2-0x00000000745D0000-0x0000000074B7B000-memory.dmp

Filesize
5.7MB

Download
memory/2208-12-0x00000000745D0000-0x0000000074B7B000-memory.dmp

Filesize
5.7MB

Download
memory/2808-10-0x00000000745D0000-0x0000000074B7B000-memory.dmp

Filesize
5.7MB

Download
memory/2808-11-0x00000000745D0000-0x0000000074B7B000-memory.dmp

Filesize
5.7MB

Download
memory/2808-13-0x00000000745D0000-0x0000000074B7B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads