njrat | 85395f149f761f4e48f587914ba92228a560c6d58aba7992ed85bbf6f912191e

General

Target

85395f149f761f4e48f587914ba92228a560c6d58aba7992ed85bbf6f912191e.exe
Size

23KB
MD5

6e1530fb60361275acac36bc5022fdd0
SHA1

98f5a23e846dd22f2952ec1126506fe77b465501
SHA256

85395f149f761f4e48f587914ba92228a560c6d58aba7992ed85bbf6f912191e
SHA512

d5b1172946c11350c57a96d51f029371ce151a6643747eb7916dcbc9f2d21553cd530b6db6beb9c61e8a30ba68db6b04c00a5be4daca7f739883d1d707c3dc2c
SSDEEP

384:xNpMKFYuEEhERvoBG16Xuy0MHNw6Tg1Y+75JTFmRvR6JZlbw8hqIusZzZwX:xNCW4V6+yDRpcnuF

Score

10^/10

njrat hacked evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

majdhacker9.ddns.net:1177

Mutex

5722c1e40b696165d35fc7860f661829

Attributes

reg_key
5722c1e40b696165d35fc7860f661829
splitter
|'|'|

Signatures

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

Processes:

server.exe

pid process

3268 server.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

4692 netsh.exe

pid	process
3268	server.exe

pid	process
4692	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

Processes:

85395f149f761f4e48f587914ba92228a560c6d58aba7992ed85bbf6f912191e.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	85395f149f761f4e48f587914ba92228a560c6d58aba7992ed85bbf6f912191e.exe

Drops startup file 2 IoCs

Processes:

server.exe

description	ioc	process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\5722c1e40b696165d35fc7860f661829.exe	server.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\5722c1e40b696165d35fc7860f661829.exe	server.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

server.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\5722c1e40b696165d35fc7860f661829 = "\"C:\\Users\\Admin\\AppData\\Roaming\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\5722c1e40b696165d35fc7860f661829 = "\"C:\\Users\\Admin\\AppData\\Roaming\\server.exe\" .."	server.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 31 IoCs

Processes:

server.exe

description	pid	process
Token: SeDebugPrivilege	3268	server.exe
Token: 33	3268	server.exe
Token: SeIncBasePriorityPrivilege	3268	server.exe
Token: 33	3268	server.exe
Token: SeIncBasePriorityPrivilege	3268	server.exe
Token: 33	3268	server.exe
Token: SeIncBasePriorityPrivilege	3268	server.exe
Token: 33	3268	server.exe
Token: SeIncBasePriorityPrivilege	3268	server.exe
Token: 33	3268	server.exe
Token: SeIncBasePriorityPrivilege	3268	server.exe
Token: 33	3268	server.exe
Token: SeIncBasePriorityPrivilege	3268	server.exe
Token: 33	3268	server.exe
Token: SeIncBasePriorityPrivilege	3268	server.exe
Token: 33	3268	server.exe
Token: SeIncBasePriorityPrivilege	3268	server.exe
Token: 33	3268	server.exe
Token: SeIncBasePriorityPrivilege	3268	server.exe
Token: 33	3268	server.exe
Token: SeIncBasePriorityPrivilege	3268	server.exe
Token: 33	3268	server.exe
Token: SeIncBasePriorityPrivilege	3268	server.exe
Token: 33	3268	server.exe
Token: SeIncBasePriorityPrivilege	3268	server.exe
Token: 33	3268	server.exe
Token: SeIncBasePriorityPrivilege	3268	server.exe
Token: 33	3268	server.exe
Token: SeIncBasePriorityPrivilege	3268	server.exe
Token: 33	3268	server.exe
Token: SeIncBasePriorityPrivilege	3268	server.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

85395f149f761f4e48f587914ba92228a560c6d58aba7992ed85bbf6f912191e.exeserver.exe

description	pid	process	target process
PID 3708 wrote to memory of 3268	3708	85395f149f761f4e48f587914ba92228a560c6d58aba7992ed85bbf6f912191e.exe	server.exe
PID 3708 wrote to memory of 3268	3708	85395f149f761f4e48f587914ba92228a560c6d58aba7992ed85bbf6f912191e.exe	server.exe
PID 3708 wrote to memory of 3268	3708	85395f149f761f4e48f587914ba92228a560c6d58aba7992ed85bbf6f912191e.exe	server.exe
PID 3268 wrote to memory of 4692	3268	server.exe	netsh.exe
PID 3268 wrote to memory of 4692	3268	server.exe	netsh.exe
PID 3268 wrote to memory of 4692	3268	server.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\85395f149f761f4e48f587914ba92228a560c6d58aba7992ed85bbf6f912191e.exe
"C:\Users\Admin\AppData\Local\Temp\85395f149f761f4e48f587914ba92228a560c6d58aba7992ed85bbf6f912191e.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3708

C:\Users\Admin\AppData\Roaming\server.exe
"C:\Users\Admin\AppData\Roaming\server.exe"
2⤵
- Executes dropped EXE
- Drops startup file
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3268

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\server.exe" "server.exe" ENABLE
3⤵
- Modifies Windows Firewall
PID:4692

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\server.exe
Filesize
23KB

MD5
6e1530fb60361275acac36bc5022fdd0

SHA1
98f5a23e846dd22f2952ec1126506fe77b465501

SHA256
85395f149f761f4e48f587914ba92228a560c6d58aba7992ed85bbf6f912191e

SHA512
d5b1172946c11350c57a96d51f029371ce151a6643747eb7916dcbc9f2d21553cd530b6db6beb9c61e8a30ba68db6b04c00a5be4daca7f739883d1d707c3dc2c

Download Submit
C:\Users\Admin\AppData\Roaming\server.exe
Filesize
23KB

MD5
6e1530fb60361275acac36bc5022fdd0

SHA1
98f5a23e846dd22f2952ec1126506fe77b465501

SHA256
85395f149f761f4e48f587914ba92228a560c6d58aba7992ed85bbf6f912191e

SHA512
d5b1172946c11350c57a96d51f029371ce151a6643747eb7916dcbc9f2d21553cd530b6db6beb9c61e8a30ba68db6b04c00a5be4daca7f739883d1d707c3dc2c

Download Submit
memory/3268-133-0x0000000000000000-mapping.dmp

Download
memory/3268-137-0x00000000748E0000-0x0000000074E91000-memory.dmp

Filesize
5.7MB

Download
memory/3268-139-0x00000000748E0000-0x0000000074E91000-memory.dmp

Filesize
5.7MB

Download
memory/3708-132-0x00000000748E0000-0x0000000074E91000-memory.dmp

Filesize
5.7MB

Download
memory/3708-136-0x00000000748E0000-0x0000000074E91000-memory.dmp

Filesize
5.7MB

Download
memory/4692-138-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads