njrat | fdf1782fd411bb36328a5132e8c8ea2a4e55f087c6e95b66e7814d2ca5858805

Analysis

max time kernel
120s
max time network
115s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
04/01/2025, 22:41 UTC

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General

Target

fdf1782fd411bb36328a5132e8c8ea2a4e55f087c6e95b66e7814d2ca5858805N.exe
Size

23KB
MD5

4d79f6c9b2bcacf6bf7d26d6d7790e50
SHA1

cb26ac109013f838e501a656c7aa29d836e475df
SHA256

fdf1782fd411bb36328a5132e8c8ea2a4e55f087c6e95b66e7814d2ca5858805
SHA512

ebc909f1330ac9b19b77b634b69d567672ac36e7f135b4aa92fe08391a217b770d87dae6828831a1a822304a8dfde2b2fe25c8dbaacd4ce8fc9245f6c6aba13b
SSDEEP

384:msqS+ER6vRKXGYKRWVSujUtX9w6Dglo61Z5DVmRvR6JZlbw8hqIusZzZTx:xf65K2Yf1jKRpcnu+

Score

10^/10

njrat discovery evasion 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

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
216	netsh.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	fdf1782fd411bb36328a5132e8c8ea2a4e55f087c6e95b66e7814d2ca5858805N.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\b772653a3c86cab16e951abf0ba8672e.exe	Trojan.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\b772653a3c86cab16e951abf0ba8672e.exe	Trojan.exe

Executes dropped EXE 1 IoCs

pid	Process
1860	Trojan.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-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\b772653a3c86cab16e951abf0ba8672e = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Trojan.exe\" .."	Trojan.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\b772653a3c86cab16e951abf0ba8672e = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Trojan.exe\" .."	Trojan.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	fdf1782fd411bb36328a5132e8c8ea2a4e55f087c6e95b66e7814d2ca5858805N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Trojan.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 27 IoCs

description	pid	Process
Token: SeDebugPrivilege	1860	Trojan.exe
Token: 33	1860	Trojan.exe
Token: SeIncBasePriorityPrivilege	1860	Trojan.exe
Token: 33	1860	Trojan.exe
Token: SeIncBasePriorityPrivilege	1860	Trojan.exe
Token: 33	1860	Trojan.exe
Token: SeIncBasePriorityPrivilege	1860	Trojan.exe
Token: 33	1860	Trojan.exe
Token: SeIncBasePriorityPrivilege	1860	Trojan.exe
Token: 33	1860	Trojan.exe
Token: SeIncBasePriorityPrivilege	1860	Trojan.exe
Token: 33	1860	Trojan.exe
Token: SeIncBasePriorityPrivilege	1860	Trojan.exe
Token: 33	1860	Trojan.exe
Token: SeIncBasePriorityPrivilege	1860	Trojan.exe
Token: 33	1860	Trojan.exe
Token: SeIncBasePriorityPrivilege	1860	Trojan.exe
Token: 33	1860	Trojan.exe
Token: SeIncBasePriorityPrivilege	1860	Trojan.exe
Token: 33	1860	Trojan.exe
Token: SeIncBasePriorityPrivilege	1860	Trojan.exe
Token: 33	1860	Trojan.exe
Token: SeIncBasePriorityPrivilege	1860	Trojan.exe
Token: 33	1860	Trojan.exe
Token: SeIncBasePriorityPrivilege	1860	Trojan.exe
Token: 33	1860	Trojan.exe
Token: SeIncBasePriorityPrivilege	1860	Trojan.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4676 wrote to memory of 1860	4676	fdf1782fd411bb36328a5132e8c8ea2a4e55f087c6e95b66e7814d2ca5858805N.exe	84
PID 4676 wrote to memory of 1860	4676	fdf1782fd411bb36328a5132e8c8ea2a4e55f087c6e95b66e7814d2ca5858805N.exe	84
PID 4676 wrote to memory of 1860	4676	fdf1782fd411bb36328a5132e8c8ea2a4e55f087c6e95b66e7814d2ca5858805N.exe	84
PID 1860 wrote to memory of 216	1860	Trojan.exe	92
PID 1860 wrote to memory of 216	1860	Trojan.exe	92
PID 1860 wrote to memory of 216	1860	Trojan.exe	92

C:\Users\Admin\AppData\Local\Temp\fdf1782fd411bb36328a5132e8c8ea2a4e55f087c6e95b66e7814d2ca5858805N.exe
"C:\Users\Admin\AppData\Local\Temp\fdf1782fd411bb36328a5132e8c8ea2a4e55f087c6e95b66e7814d2ca5858805N.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4676
- C:\Users\Admin\AppData\Local\Temp\Trojan.exe
  "C:\Users\Admin\AppData\Local\Temp\Trojan.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1860
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Trojan.exe" "Trojan.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:216

Network

DNS

58.55.71.13.in-addr.arpa

Remote address:

8.8.8.8:53

Request

58.55.71.13.in-addr.arpa

IN PTR

Response
DNS

20.160.190.20.in-addr.arpa

Remote address:

8.8.8.8:53

Request

20.160.190.20.in-addr.arpa

IN PTR

Response
DNS

95.221.229.192.in-addr.arpa

Remote address:

8.8.8.8:53

Request

95.221.229.192.in-addr.arpa

IN PTR

Response
DNS

28.118.140.52.in-addr.arpa

Remote address:

8.8.8.8:53

Request

28.118.140.52.in-addr.arpa

IN PTR

Response
DNS

149.220.183.52.in-addr.arpa

Remote address:

8.8.8.8:53

Request

149.220.183.52.in-addr.arpa

IN PTR

Response
DNS

53.210.109.20.in-addr.arpa

Remote address:

8.8.8.8:53

Request

53.210.109.20.in-addr.arpa

IN PTR

Response
DNS

171.39.242.20.in-addr.arpa

Remote address:

8.8.8.8:53

Request

171.39.242.20.in-addr.arpa

IN PTR

Response
DNS

172.210.232.199.in-addr.arpa

Remote address:

8.8.8.8:53

Request

172.210.232.199.in-addr.arpa

IN PTR

Response
DNS

43.229.111.52.in-addr.arpa

Remote address:

8.8.8.8:53

Request

43.229.111.52.in-addr.arpa

IN PTR

Response

192.168.111.128:5552

Trojan.exe

260 B
5
192.168.111.128:5552

Trojan.exe

260 B
5
192.168.111.128:5552

Trojan.exe

260 B
5
192.168.111.128:5552

Trojan.exe

260 B
5
192.168.111.128:5552

Trojan.exe

208 B
4

8.8.8.8:53

58.55.71.13.in-addr.arpa

dns

70 B
144 B
1
1

DNS Request

58.55.71.13.in-addr.arpa
8.8.8.8:53

20.160.190.20.in-addr.arpa

dns

72 B
158 B
1
1

DNS Request

20.160.190.20.in-addr.arpa
8.8.8.8:53

95.221.229.192.in-addr.arpa

dns

73 B
144 B
1
1

DNS Request

95.221.229.192.in-addr.arpa
8.8.8.8:53

28.118.140.52.in-addr.arpa

dns

72 B
158 B
1
1

DNS Request

28.118.140.52.in-addr.arpa
8.8.8.8:53

149.220.183.52.in-addr.arpa

dns

73 B
147 B
1
1

DNS Request

149.220.183.52.in-addr.arpa
8.8.8.8:53

53.210.109.20.in-addr.arpa

dns

72 B
158 B
1
1

DNS Request

53.210.109.20.in-addr.arpa
8.8.8.8:53

171.39.242.20.in-addr.arpa

dns

72 B
158 B
1
1

DNS Request

171.39.242.20.in-addr.arpa
8.8.8.8:53

172.210.232.199.in-addr.arpa

dns

74 B
128 B
1
1

DNS Request

172.210.232.199.in-addr.arpa
8.8.8.8:53

43.229.111.52.in-addr.arpa

dns

72 B
158 B
1
1

DNS Request

43.229.111.52.in-addr.arpa

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

Query Registry

T1012

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\Trojan.exe

Filesize
23KB

MD5
4d79f6c9b2bcacf6bf7d26d6d7790e50

SHA1
cb26ac109013f838e501a656c7aa29d836e475df

SHA256
fdf1782fd411bb36328a5132e8c8ea2a4e55f087c6e95b66e7814d2ca5858805

SHA512
ebc909f1330ac9b19b77b634b69d567672ac36e7f135b4aa92fe08391a217b770d87dae6828831a1a822304a8dfde2b2fe25c8dbaacd4ce8fc9245f6c6aba13b

Download Submit
memory/1860-13-0x0000000074F30000-0x00000000754E1000-memory.dmp

Filesize
5.7MB

Download
memory/1860-14-0x0000000074F30000-0x00000000754E1000-memory.dmp

Filesize
5.7MB

Download
memory/1860-16-0x0000000074F30000-0x00000000754E1000-memory.dmp

Filesize
5.7MB

Download
memory/4676-0-0x0000000074F32000-0x0000000074F33000-memory.dmp

Filesize
4KB

Download
memory/4676-1-0x0000000074F30000-0x00000000754E1000-memory.dmp

Filesize
5.7MB

Download
memory/4676-2-0x0000000074F30000-0x00000000754E1000-memory.dmp

Filesize
5.7MB

Download
memory/4676-12-0x0000000074F30000-0x00000000754E1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

MITRE ATT&CK Enterprise v15

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Downloads

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