njrat | 911197fc5a71d61534e341e8d20a8f0bd4dc4d3ec253d327a3ae8e6375bb13a6

General

Target

911197fc5a71d61534e341e8d20a8f0bd4dc4d3ec253d327a3ae8e6375bb13a6.exe
Size

157KB
MD5

182e2cce08ee92c62f64752aaa23c369
SHA1

e47112a7f7ce5c3105249f043bb809daf490b7d8
SHA256

911197fc5a71d61534e341e8d20a8f0bd4dc4d3ec253d327a3ae8e6375bb13a6
SHA512

b66d06c7862641351c12b2c91cca3be32b1a8d35e9525e1447b14385b8dc81129f93b10b58ba6058de88818bc9209a6d54be24b4b8a0dda7cf9b53b0b19e4f6a

Score

10^/10

njrat evasion trojan

Malware Config

Signatures

njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat
Executes dropped EXE 1 IoCs

Processes:

svchost.exe

pid process

2956 svchost.exe
Modifies Windows Firewall 1 TTPs
evasion

Modify Existing Service
T1031

pid	process
2956	svchost.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

Processes:

911197fc5a71d61534e341e8d20a8f0bd4dc4d3ec253d327a3ae8e6375bb13a6.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Control Panel\International\Geo\Nation	911197fc5a71d61534e341e8d20a8f0bd4dc4d3ec253d327a3ae8e6375bb13a6.exe

Drops startup file 2 IoCs

Processes:

svchost.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\5934cc70b7761544be3a5ffb07586caa.exe	svchost.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\5934cc70b7761544be3a5ffb07586caa.exe	svchost.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 21 IoCs

Processes:

svchost.exe

description	pid	process
Token: SeDebugPrivilege	2956	svchost.exe
Token: 33	2956	svchost.exe
Token: SeIncBasePriorityPrivilege	2956	svchost.exe
Token: 33	2956	svchost.exe
Token: SeIncBasePriorityPrivilege	2956	svchost.exe
Token: 33	2956	svchost.exe
Token: SeIncBasePriorityPrivilege	2956	svchost.exe
Token: 33	2956	svchost.exe
Token: SeIncBasePriorityPrivilege	2956	svchost.exe
Token: 33	2956	svchost.exe
Token: SeIncBasePriorityPrivilege	2956	svchost.exe
Token: 33	2956	svchost.exe
Token: SeIncBasePriorityPrivilege	2956	svchost.exe
Token: 33	2956	svchost.exe
Token: SeIncBasePriorityPrivilege	2956	svchost.exe
Token: 33	2956	svchost.exe
Token: SeIncBasePriorityPrivilege	2956	svchost.exe
Token: 33	2956	svchost.exe
Token: SeIncBasePriorityPrivilege	2956	svchost.exe
Token: 33	2956	svchost.exe
Token: SeIncBasePriorityPrivilege	2956	svchost.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

911197fc5a71d61534e341e8d20a8f0bd4dc4d3ec253d327a3ae8e6375bb13a6.exesvchost.exe

description	pid	process	target process
PID 4788 wrote to memory of 2956	4788	911197fc5a71d61534e341e8d20a8f0bd4dc4d3ec253d327a3ae8e6375bb13a6.exe	svchost.exe
PID 4788 wrote to memory of 2956	4788	911197fc5a71d61534e341e8d20a8f0bd4dc4d3ec253d327a3ae8e6375bb13a6.exe	svchost.exe
PID 4788 wrote to memory of 2956	4788	911197fc5a71d61534e341e8d20a8f0bd4dc4d3ec253d327a3ae8e6375bb13a6.exe	svchost.exe
PID 2956 wrote to memory of 3948	2956	svchost.exe	netsh.exe
PID 2956 wrote to memory of 3948	2956	svchost.exe	netsh.exe
PID 2956 wrote to memory of 3948	2956	svchost.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\911197fc5a71d61534e341e8d20a8f0bd4dc4d3ec253d327a3ae8e6375bb13a6.exe
"C:\Users\Admin\AppData\Local\Temp\911197fc5a71d61534e341e8d20a8f0bd4dc4d3ec253d327a3ae8e6375bb13a6.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4788

C:\Users\Admin\AppData\Roaming\svchost.exe
"C:\Users\Admin\AppData\Roaming\svchost.exe"
2⤵
- Executes dropped EXE
- Drops startup file
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2956

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\svchost.exe" "svchost.exe" ENABLE
3⤵
PID:3948

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\svchost.exe
Filesize
157KB

MD5
182e2cce08ee92c62f64752aaa23c369

SHA1
e47112a7f7ce5c3105249f043bb809daf490b7d8

SHA256
911197fc5a71d61534e341e8d20a8f0bd4dc4d3ec253d327a3ae8e6375bb13a6

SHA512
b66d06c7862641351c12b2c91cca3be32b1a8d35e9525e1447b14385b8dc81129f93b10b58ba6058de88818bc9209a6d54be24b4b8a0dda7cf9b53b0b19e4f6a

Download Submit
C:\Users\Admin\AppData\Roaming\svchost.exe
Filesize
157KB

MD5
182e2cce08ee92c62f64752aaa23c369

SHA1
e47112a7f7ce5c3105249f043bb809daf490b7d8

SHA256
911197fc5a71d61534e341e8d20a8f0bd4dc4d3ec253d327a3ae8e6375bb13a6

SHA512
b66d06c7862641351c12b2c91cca3be32b1a8d35e9525e1447b14385b8dc81129f93b10b58ba6058de88818bc9209a6d54be24b4b8a0dda7cf9b53b0b19e4f6a

Download Submit
memory/2956-131-0x0000000000000000-mapping.dmp

Download
memory/2956-134-0x0000000074A40000-0x0000000074FF1000-memory.dmp

Filesize
5.7MB

Download
memory/3948-135-0x0000000000000000-mapping.dmp

Download
memory/4788-130-0x0000000074A40000-0x0000000074FF1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads