njrat | fdab671fc30cd30956d58c4b148fc1164cf45c9d766bb0e5b34f144b40d68516

Analysis

max time kernel
150s
max time network
147s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
14-12-2024 14:14

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General

Target

fdab671fc30cd30956d58c4b148fc1164cf45c9d766bb0e5b34f144b40d68516.exe
Size

93KB
MD5

87301d7789d34f5f9e2d497b4d9b8f88
SHA1

b65a76d11f1d2e44d6f5113cf0212bc36abb17b1
SHA256

fdab671fc30cd30956d58c4b148fc1164cf45c9d766bb0e5b34f144b40d68516
SHA512

e60f39a599e59e72137edc83b00704abd716fbadc2a46b942aa325491a9af02628b2225123ba27ed09c077933b526917b3004d7e6659708e43308eb1fbfe7856
SSDEEP

1536:jey1GkeUqZJO5kNSimjEwzGi1dDYDfgS:jedUqZJOiAOi1dO4

Score

10^/10

njrat player discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

Player

hakim32.ddns.net:2000

147.185.221.19:27692

Mutex

031d13bbbb63d50987953ffedfddbc61

Attributes

reg_key
031d13bbbb63d50987953ffedfddbc61
splitter
|'|'|

Signatures

Njrat family
njrat
njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat

Modifies Windows Firewall 2 TTPs 3 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
2972	netsh.exe
2644	netsh.exe
2876	netsh.exe

Drops startup file 6 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\031d13bbbb63d50987953ffedfddbc61Windows Update.exe	server.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\031d13bbbb63d50987953ffedfddbc61Windows Update.exe	server.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.exe.exe	server.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.exe.exe	server.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Microsoft Corporation.exe	server.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Microsoft Corporation.exe	server.exe

Executes dropped EXE 1 IoCs

pid	Process
2544	server.exe

Loads dropped DLL 2 IoCs

pid	Process
2112	fdab671fc30cd30956d58c4b148fc1164cf45c9d766bb0e5b34f144b40d68516.exe
2112	fdab671fc30cd30956d58c4b148fc1164cf45c9d766bb0e5b34f144b40d68516.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\svchost.exe.exe	server.exe
File opened for modification	C:\Windows\SysWOW64\svchost.exe.exe	server.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\svchost.exe.exe	server.exe
File opened for modification	C:\Program Files (x86)\svchost.exe.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 9 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 value enumerated	\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
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
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 5 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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fdab671fc30cd30956d58c4b148fc1164cf45c9d766bb0e5b34f144b40d68516.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	server.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2544	server.exe
2544	server.exe
2544	server.exe
2544	server.exe
2544	server.exe
2544	server.exe
2544	server.exe
2544	server.exe
2544	server.exe
2544	server.exe
2544	server.exe
2544	server.exe
2544	server.exe
2544	server.exe
2544	server.exe
2544	server.exe
2544	server.exe
2544	server.exe
2544	server.exe
2544	server.exe
2544	server.exe
2544	server.exe
2544	server.exe
2544	server.exe
2544	server.exe
2544	server.exe
2544	server.exe
2544	server.exe
2544	server.exe
2544	server.exe
2544	server.exe
2544	server.exe
2544	server.exe
2544	server.exe
2544	server.exe
2544	server.exe
2544	server.exe
2544	server.exe
2544	server.exe
2544	server.exe
2544	server.exe
2544	server.exe
2544	server.exe
2544	server.exe
2544	server.exe
2544	server.exe
2544	server.exe
2544	server.exe
2544	server.exe
2544	server.exe
2544	server.exe
2544	server.exe
2544	server.exe
2544	server.exe
2544	server.exe
2544	server.exe
2544	server.exe
2544	server.exe
2544	server.exe
2544	server.exe
2544	server.exe
2544	server.exe
2544	server.exe
2544	server.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2544	server.exe

Suspicious use of AdjustPrivilegeToken 37 IoCs

description	pid	Process
Token: SeDebugPrivilege	2544	server.exe
Token: 33	2544	server.exe
Token: SeIncBasePriorityPrivilege	2544	server.exe
Token: 33	2544	server.exe
Token: SeIncBasePriorityPrivilege	2544	server.exe
Token: 33	2544	server.exe
Token: SeIncBasePriorityPrivilege	2544	server.exe
Token: 33	2544	server.exe
Token: SeIncBasePriorityPrivilege	2544	server.exe
Token: 33	2544	server.exe
Token: SeIncBasePriorityPrivilege	2544	server.exe
Token: 33	2544	server.exe
Token: SeIncBasePriorityPrivilege	2544	server.exe
Token: 33	2544	server.exe
Token: SeIncBasePriorityPrivilege	2544	server.exe
Token: 33	2544	server.exe
Token: SeIncBasePriorityPrivilege	2544	server.exe
Token: 33	2544	server.exe
Token: SeIncBasePriorityPrivilege	2544	server.exe
Token: 33	2544	server.exe
Token: SeIncBasePriorityPrivilege	2544	server.exe
Token: 33	2544	server.exe
Token: SeIncBasePriorityPrivilege	2544	server.exe
Token: 33	2544	server.exe
Token: SeIncBasePriorityPrivilege	2544	server.exe
Token: 33	2544	server.exe
Token: SeIncBasePriorityPrivilege	2544	server.exe
Token: 33	2544	server.exe
Token: SeIncBasePriorityPrivilege	2544	server.exe
Token: 33	2544	server.exe
Token: SeIncBasePriorityPrivilege	2544	server.exe
Token: 33	2544	server.exe
Token: SeIncBasePriorityPrivilege	2544	server.exe
Token: 33	2544	server.exe
Token: SeIncBasePriorityPrivilege	2544	server.exe
Token: 33	2544	server.exe
Token: SeIncBasePriorityPrivilege	2544	server.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2112 wrote to memory of 2544	2112	fdab671fc30cd30956d58c4b148fc1164cf45c9d766bb0e5b34f144b40d68516.exe	31
PID 2112 wrote to memory of 2544	2112	fdab671fc30cd30956d58c4b148fc1164cf45c9d766bb0e5b34f144b40d68516.exe	31
PID 2112 wrote to memory of 2544	2112	fdab671fc30cd30956d58c4b148fc1164cf45c9d766bb0e5b34f144b40d68516.exe	31
PID 2112 wrote to memory of 2544	2112	fdab671fc30cd30956d58c4b148fc1164cf45c9d766bb0e5b34f144b40d68516.exe	31
PID 2544 wrote to memory of 2876	2544	server.exe	32
PID 2544 wrote to memory of 2876	2544	server.exe	32
PID 2544 wrote to memory of 2876	2544	server.exe	32
PID 2544 wrote to memory of 2876	2544	server.exe	32
PID 2544 wrote to memory of 2972	2544	server.exe	34
PID 2544 wrote to memory of 2972	2544	server.exe	34
PID 2544 wrote to memory of 2972	2544	server.exe	34
PID 2544 wrote to memory of 2972	2544	server.exe	34
PID 2544 wrote to memory of 2644	2544	server.exe	35
PID 2544 wrote to memory of 2644	2544	server.exe	35
PID 2544 wrote to memory of 2644	2544	server.exe	35
PID 2544 wrote to memory of 2644	2544	server.exe	35

C:\Users\Admin\AppData\Local\Temp\fdab671fc30cd30956d58c4b148fc1164cf45c9d766bb0e5b34f144b40d68516.exe
"C:\Users\Admin\AppData\Local\Temp\fdab671fc30cd30956d58c4b148fc1164cf45c9d766bb0e5b34f144b40d68516.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2112
- C:\Users\Admin\AppData\Roaming\server.exe
  "C:\Users\Admin\AppData\Roaming\server.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Drops file in System32 directory
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2544
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\server.exe" "server.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:2876
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall delete allowedprogram "C:\Users\Admin\AppData\Roaming\server.exe"
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:2972
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\server.exe" "server.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:2644

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Privilege Escalation

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

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\Roaming\app

Filesize
5B

MD5
8f11404a507cfb98455f89a534077f73

SHA1
0716c668f504450353527aff1a6457b8348cf435

SHA256
f7c301f3fcce1c2444b540090e5024f0cea1806ab8ae1d81901ecc3b63334cbb

SHA512
85403dd06da5851e8c4d727ca8d87cc0e7ff4974942ec22123366684ed0e51b543a29b6d2521e2e65784c69884fde8d711e5064f104b098293fcd18c44769492

Download Submit
\Users\Admin\AppData\Roaming\server.exe

Filesize
93KB

MD5
87301d7789d34f5f9e2d497b4d9b8f88

SHA1
b65a76d11f1d2e44d6f5113cf0212bc36abb17b1

SHA256
fdab671fc30cd30956d58c4b148fc1164cf45c9d766bb0e5b34f144b40d68516

SHA512
e60f39a599e59e72137edc83b00704abd716fbadc2a46b942aa325491a9af02628b2225123ba27ed09c077933b526917b3004d7e6659708e43308eb1fbfe7856

Download Submit
memory/2112-0-0x00000000748D1000-0x00000000748D2000-memory.dmp

Filesize
4KB

Download
memory/2112-1-0x00000000748D0000-0x0000000074E7B000-memory.dmp

Filesize
5.7MB

Download
memory/2112-2-0x00000000748D0000-0x0000000074E7B000-memory.dmp

Filesize
5.7MB

Download
memory/2112-14-0x00000000748D0000-0x0000000074E7B000-memory.dmp

Filesize
5.7MB

Download
memory/2544-15-0x00000000748D0000-0x0000000074E7B000-memory.dmp

Filesize
5.7MB

Download
memory/2544-16-0x00000000748D0000-0x0000000074E7B000-memory.dmp

Filesize
5.7MB

Download
memory/2544-45-0x00000000748D0000-0x0000000074E7B000-memory.dmp

Filesize
5.7MB

Download
memory/2544-44-0x00000000748D0000-0x0000000074E7B000-memory.dmp

Filesize
5.7MB

Download