njrat | 8d4b33f016a0358ab33a61a53be27b775979a15719e2168d66bae6a7a598d2e1

Analysis

max time kernel
149s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
22/03/2025, 06:16

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General

Target

cb48b9ffc8b360c98bee387aa32270ab.exe
Size

23KB
MD5

cb48b9ffc8b360c98bee387aa32270ab
SHA1

2e7c2476a63004bcbe35f4476b78a33de8aa9a32
SHA256

164f6b3fceb09663e83efc87884a62472190ffbd48bc74554cbebc2481daa8d9
SHA512

7e0c1e36e67f502629028f1636094ac8a6ff57b5f4a9bbf2601754e840a38400c8848e79eedf17273d7e2bc01d7c0ead6ffb9babddb3a2704ed621d74e29049e
SSDEEP

384:r8aLWS0dABLYVq6RxP8MDFF09vK563gRMmJKUv0mRvR6JZlbw8hqIusZzZbDlp:AXcwt3tRpcnuSv

Score

10^/10

njrat hacked defense_evasion discovery persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

127.0.0.1:1177

Mutex

212683d986fb740ad6a40184df48e604

Attributes

reg_key
212683d986fb740ad6a40184df48e604
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
2448	netsh.exe

Executes dropped EXE 1 IoCs

pid	Process
3028	server.exe

Loads dropped DLL 1 IoCs

pid	Process
1356	cb48b9ffc8b360c98bee387aa32270ab.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-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\212683d986fb740ad6a40184df48e604 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\212683d986fb740ad6a40184df48e604 = "\"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	cb48b9ffc8b360c98bee387aa32270ab.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	3028	server.exe
Token: 33	3028	server.exe
Token: SeIncBasePriorityPrivilege	3028	server.exe
Token: 33	3028	server.exe
Token: SeIncBasePriorityPrivilege	3028	server.exe
Token: 33	3028	server.exe
Token: SeIncBasePriorityPrivilege	3028	server.exe
Token: 33	3028	server.exe
Token: SeIncBasePriorityPrivilege	3028	server.exe
Token: 33	3028	server.exe
Token: SeIncBasePriorityPrivilege	3028	server.exe
Token: 33	3028	server.exe
Token: SeIncBasePriorityPrivilege	3028	server.exe
Token: 33	3028	server.exe
Token: SeIncBasePriorityPrivilege	3028	server.exe
Token: 33	3028	server.exe
Token: SeIncBasePriorityPrivilege	3028	server.exe
Token: 33	3028	server.exe
Token: SeIncBasePriorityPrivilege	3028	server.exe
Token: 33	3028	server.exe
Token: SeIncBasePriorityPrivilege	3028	server.exe
Token: 33	3028	server.exe
Token: SeIncBasePriorityPrivilege	3028	server.exe
Token: 33	3028	server.exe
Token: SeIncBasePriorityPrivilege	3028	server.exe
Token: 33	3028	server.exe
Token: SeIncBasePriorityPrivilege	3028	server.exe
Token: 33	3028	server.exe
Token: SeIncBasePriorityPrivilege	3028	server.exe
Token: 33	3028	server.exe
Token: SeIncBasePriorityPrivilege	3028	server.exe
Token: 33	3028	server.exe
Token: SeIncBasePriorityPrivilege	3028	server.exe
Token: 33	3028	server.exe
Token: SeIncBasePriorityPrivilege	3028	server.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1356 wrote to memory of 3028	1356	cb48b9ffc8b360c98bee387aa32270ab.exe	31
PID 1356 wrote to memory of 3028	1356	cb48b9ffc8b360c98bee387aa32270ab.exe	31
PID 1356 wrote to memory of 3028	1356	cb48b9ffc8b360c98bee387aa32270ab.exe	31
PID 1356 wrote to memory of 3028	1356	cb48b9ffc8b360c98bee387aa32270ab.exe	31
PID 3028 wrote to memory of 2448	3028	server.exe	32
PID 3028 wrote to memory of 2448	3028	server.exe	32
PID 3028 wrote to memory of 2448	3028	server.exe	32
PID 3028 wrote to memory of 2448	3028	server.exe	32

C:\Users\Admin\AppData\Local\Temp\cb48b9ffc8b360c98bee387aa32270ab.exe
"C:\Users\Admin\AppData\Local\Temp\cb48b9ffc8b360c98bee387aa32270ab.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1356
- 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:3028
- - 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:2448

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
23KB

MD5
cb48b9ffc8b360c98bee387aa32270ab

SHA1
2e7c2476a63004bcbe35f4476b78a33de8aa9a32

SHA256
164f6b3fceb09663e83efc87884a62472190ffbd48bc74554cbebc2481daa8d9

SHA512
7e0c1e36e67f502629028f1636094ac8a6ff57b5f4a9bbf2601754e840a38400c8848e79eedf17273d7e2bc01d7c0ead6ffb9babddb3a2704ed621d74e29049e

Download Submit
memory/1356-0-0x0000000074801000-0x0000000074802000-memory.dmp

Filesize
4KB

Download
memory/1356-1-0x0000000074800000-0x0000000074DAB000-memory.dmp

Filesize
5.7MB

Download
memory/1356-2-0x0000000074800000-0x0000000074DAB000-memory.dmp

Filesize
5.7MB

Download
memory/1356-11-0x0000000074800000-0x0000000074DAB000-memory.dmp

Filesize
5.7MB

Download
memory/3028-12-0x0000000074800000-0x0000000074DAB000-memory.dmp

Filesize
5.7MB

Download
memory/3028-10-0x0000000074800000-0x0000000074DAB000-memory.dmp

Filesize
5.7MB

Download
memory/3028-13-0x0000000074800000-0x0000000074DAB000-memory.dmp

Filesize
5.7MB

Download
memory/3028-14-0x0000000074800000-0x0000000074DAB000-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