njrat | e5d28ec84e4b5f023e3f386cf7e0776850b67e2bad1299413885f3fdd757f58c

Analysis

max time kernel
150s
max time network
152s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
22/03/2025, 06:18

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General

Target

e70b65e1d80063b1fdfc5b439f8ec121.exe
Size

31KB
MD5

e70b65e1d80063b1fdfc5b439f8ec121
SHA1

e57593fb0e9a33cb82470b402d93ada69f6bde0d
SHA256

be397dc5de47dab7fe463cc85e584959daf279c54a14063432598b4f237e2c88
SHA512

d6acae917fc56eab81f496b3d06ff4f1ca3b07edbabb2f4de41cd2d98d480ca45f659ccf10d56ea3ffc61b71b77509877adf8557835c4e9d34b1f318c7a55248
SSDEEP

768:pj8p5d5rLmzxBuJJKye8nu4LPv67QmIDUu0tiNJCj:evKO+4jwQVkTj

Score

10^/10

njrat hacked defense_evasion discovery persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

rantu.ddns.net:1177

Mutex

2eb54f435f25eb81272f7f2f1d81c98d

Attributes

reg_key
2eb54f435f25eb81272f7f2f1d81c98d
splitter
Y262SUCZ4UJJ

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
2780	netsh.exe

Executes dropped EXE 1 IoCs

pid	Process
2704	server.exe

Loads dropped DLL 1 IoCs

pid	Process
2364	e70b65e1d80063b1fdfc5b439f8ec121.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\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\2eb54f435f25eb81272f7f2f1d81c98d = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\2eb54f435f25eb81272f7f2f1d81c98d = "\"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 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 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	e70b65e1d80063b1fdfc5b439f8ec121.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	2704	server.exe
Token: 33	2704	server.exe
Token: SeIncBasePriorityPrivilege	2704	server.exe
Token: 33	2704	server.exe
Token: SeIncBasePriorityPrivilege	2704	server.exe
Token: 33	2704	server.exe
Token: SeIncBasePriorityPrivilege	2704	server.exe
Token: 33	2704	server.exe
Token: SeIncBasePriorityPrivilege	2704	server.exe
Token: 33	2704	server.exe
Token: SeIncBasePriorityPrivilege	2704	server.exe
Token: 33	2704	server.exe
Token: SeIncBasePriorityPrivilege	2704	server.exe
Token: 33	2704	server.exe
Token: SeIncBasePriorityPrivilege	2704	server.exe
Token: 33	2704	server.exe
Token: SeIncBasePriorityPrivilege	2704	server.exe
Token: 33	2704	server.exe
Token: SeIncBasePriorityPrivilege	2704	server.exe
Token: 33	2704	server.exe
Token: SeIncBasePriorityPrivilege	2704	server.exe
Token: 33	2704	server.exe
Token: SeIncBasePriorityPrivilege	2704	server.exe
Token: 33	2704	server.exe
Token: SeIncBasePriorityPrivilege	2704	server.exe
Token: 33	2704	server.exe
Token: SeIncBasePriorityPrivilege	2704	server.exe
Token: 33	2704	server.exe
Token: SeIncBasePriorityPrivilege	2704	server.exe
Token: 33	2704	server.exe
Token: SeIncBasePriorityPrivilege	2704	server.exe
Token: 33	2704	server.exe
Token: SeIncBasePriorityPrivilege	2704	server.exe
Token: 33	2704	server.exe
Token: SeIncBasePriorityPrivilege	2704	server.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2364 wrote to memory of 2704	2364	e70b65e1d80063b1fdfc5b439f8ec121.exe	31
PID 2364 wrote to memory of 2704	2364	e70b65e1d80063b1fdfc5b439f8ec121.exe	31
PID 2364 wrote to memory of 2704	2364	e70b65e1d80063b1fdfc5b439f8ec121.exe	31
PID 2364 wrote to memory of 2704	2364	e70b65e1d80063b1fdfc5b439f8ec121.exe	31
PID 2704 wrote to memory of 2780	2704	server.exe	32
PID 2704 wrote to memory of 2780	2704	server.exe	32
PID 2704 wrote to memory of 2780	2704	server.exe	32
PID 2704 wrote to memory of 2780	2704	server.exe	32

C:\Users\Admin\AppData\Local\Temp\e70b65e1d80063b1fdfc5b439f8ec121.exe
"C:\Users\Admin\AppData\Local\Temp\e70b65e1d80063b1fdfc5b439f8ec121.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2364
- 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:2704
- - 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:2780

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

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

Filesize
31KB

MD5
e70b65e1d80063b1fdfc5b439f8ec121

SHA1
e57593fb0e9a33cb82470b402d93ada69f6bde0d

SHA256
be397dc5de47dab7fe463cc85e584959daf279c54a14063432598b4f237e2c88

SHA512
d6acae917fc56eab81f496b3d06ff4f1ca3b07edbabb2f4de41cd2d98d480ca45f659ccf10d56ea3ffc61b71b77509877adf8557835c4e9d34b1f318c7a55248

Download Submit
memory/2364-0-0x0000000074261000-0x0000000074262000-memory.dmp

Filesize
4KB

Download
memory/2364-1-0x0000000074260000-0x000000007480B000-memory.dmp

Filesize
5.7MB

Download
memory/2364-2-0x0000000074260000-0x000000007480B000-memory.dmp

Filesize
5.7MB

Download
memory/2364-10-0x0000000074260000-0x000000007480B000-memory.dmp

Filesize
5.7MB

Download
memory/2704-12-0x0000000074260000-0x000000007480B000-memory.dmp

Filesize
5.7MB

Download
memory/2704-11-0x0000000074260000-0x000000007480B000-memory.dmp

Filesize
5.7MB

Download
memory/2704-13-0x0000000074260000-0x000000007480B000-memory.dmp

Filesize
5.7MB

Download
memory/2704-14-0x0000000074260000-0x000000007480B000-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