njrat | 7237dd5e4e0c1f2bb79a3ede0919cddf1cac7f1095deb1070275ac4669691c65

General

Target

иуеr.exe
Size

25KB
MD5

ae72c198c0825712f203e258571c0e87
SHA1

066ef64d5f5bb96e1714247c97aaf291907a7b3f
SHA256

7237dd5e4e0c1f2bb79a3ede0919cddf1cac7f1095deb1070275ac4669691c65
SHA512

a48c90badd2346df3e8f1cb1807b9f22177835aba52f2718ed8bc0c00fd4f5020958fe6e8b02c23c1c7380b68c96b1ad17dee51a536a0a26e4f98598354604a1

Score

10^/10

njrat gay persistence suricata trojan

Malware Config

Extracted

Family

njrat

Version

Njrat 0.7 Golden By Hassan Amiri

Botnet

gay

C2

7.tcp.eu.ngrok.io:14345

Mutex

Windows Update

Attributes

reg_key
Windows Update
splitter
|Hassan|

Signatures

njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat
suricata: ET MALWARE Generic njRAT/Bladabindi CnC Activity (ll)
suricata: ET MALWARE Generic njRAT/Bladabindi CnC Activity (ll)
suricata
Executes dropped EXE 3 IoCs

Processes:

Dllhost.exeServer.exeServer.exe

pid process

2376 Dllhost.exe
4244 Server.exe
4276 Server.exe

pid	process
2376	Dllhost.exe
4244	Server.exe
4276	Server.exe

Drops startup file 2 IoCs

Processes:

Dllhost.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Java update.exe	Dllhost.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Java update.exe	Dllhost.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Dllhost.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3297182285-798020602-2032295036-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Windows\\Dllhost.exe\" .."	Dllhost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Windows\\Dllhost.exe\" .."	Dllhost.exe

Drops file in Windows directory 2 IoCs

Processes:

иуеr.exeDllhost.exe

description ioc process

File created C:\Windows\Dllhost.exe иуеr.exe
File opened for modification C:\Windows\Dllhost.exe Dllhost.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

2640 schtasks.exe
Suspicious behavior: GetForegroundWindowSpam 2 IoCs

Processes:

иуеr.exeDllhost.exe

pid process

1784 иуеr.exe
2376 Dllhost.exe

description	ioc	process
File created	C:\Windows\Dllhost.exe	иуеr.exe
File opened for modification	C:\Windows\Dllhost.exe	Dllhost.exe

pid	process
2640	schtasks.exe

pid	process
1784	иуеr.exe
2376	Dllhost.exe

Suspicious use of AdjustPrivilegeToken 31 IoCs

Processes:

Dllhost.exe

description	pid	process
Token: SeDebugPrivilege	2376	Dllhost.exe
Token: 33	2376	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2376	Dllhost.exe
Token: 33	2376	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2376	Dllhost.exe
Token: 33	2376	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2376	Dllhost.exe
Token: 33	2376	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2376	Dllhost.exe
Token: 33	2376	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2376	Dllhost.exe
Token: 33	2376	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2376	Dllhost.exe
Token: 33	2376	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2376	Dllhost.exe
Token: 33	2376	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2376	Dllhost.exe
Token: 33	2376	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2376	Dllhost.exe
Token: 33	2376	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2376	Dllhost.exe
Token: 33	2376	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2376	Dllhost.exe
Token: 33	2376	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2376	Dllhost.exe
Token: 33	2376	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2376	Dllhost.exe
Token: 33	2376	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2376	Dllhost.exe
Token: 33	2376	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2376	Dllhost.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

иуеr.exeDllhost.exe

description	pid	process	target process
PID 1784 wrote to memory of 2376	1784	иуеr.exe	Dllhost.exe
PID 1784 wrote to memory of 2376	1784	иуеr.exe	Dllhost.exe
PID 2376 wrote to memory of 2640	2376	Dllhost.exe	schtasks.exe
PID 2376 wrote to memory of 2640	2376	Dllhost.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\иуеr.exe
"C:\Users\Admin\AppData\Local\Temp\иуеr.exe"
1⤵
- Drops file in Windows directory
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:1784

C:\Windows\Dllhost.exe
"C:\Windows\Dllhost.exe"
2⤵
- Executes dropped EXE
- Drops startup file
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2376

C:\Windows\SYSTEM32\schtasks.exe
schtasks /create /sc minute /mo 1 /tn Server /tr C:\Users\Admin\AppData\Local\Temp/Server.exe
3⤵
- Creates scheduled task(s)
PID:2640

C:\Users\Admin\AppData\Local\Temp\Server.exe
C:\Users\Admin\AppData\Local\Temp/Server.exe
1⤵
- Executes dropped EXE
PID:4244

C:\Users\Admin\AppData\Local\Temp\Server.exe
C:\Users\Admin\AppData\Local\Temp/Server.exe
1⤵
- Executes dropped EXE
PID:4276

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

1

T1060

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\Server.exe.log
Filesize
1KB

MD5
ada37846cea22757d6153e65b720a367

SHA1
d9c9e33987d095b32c364fe40dd6f054feaf7ea9

SHA256
7daa4e8a6296b9e3df9669f6a574cbe481f2df9c751affbeb41a541173264520

SHA512
592640e40ad0c6bcd8719f2cdbf828f2e322ad729c23ac3b44dd252a9c0b08d370a1cfcbcb9038cdffed0866ae4d2f8762c421f5e1a89c8d9273f482d9d2662f

Download Submit
C:\Users\Admin\AppData\Local\Temp\Server.exe
Filesize
25KB

MD5
ae72c198c0825712f203e258571c0e87

SHA1
066ef64d5f5bb96e1714247c97aaf291907a7b3f

SHA256
7237dd5e4e0c1f2bb79a3ede0919cddf1cac7f1095deb1070275ac4669691c65

SHA512
a48c90badd2346df3e8f1cb1807b9f22177835aba52f2718ed8bc0c00fd4f5020958fe6e8b02c23c1c7380b68c96b1ad17dee51a536a0a26e4f98598354604a1

Download Submit
C:\Users\Admin\AppData\Local\Temp\Server.exe
Filesize
25KB

MD5
ae72c198c0825712f203e258571c0e87

SHA1
066ef64d5f5bb96e1714247c97aaf291907a7b3f

SHA256
7237dd5e4e0c1f2bb79a3ede0919cddf1cac7f1095deb1070275ac4669691c65

SHA512
a48c90badd2346df3e8f1cb1807b9f22177835aba52f2718ed8bc0c00fd4f5020958fe6e8b02c23c1c7380b68c96b1ad17dee51a536a0a26e4f98598354604a1

Download Submit
C:\Users\Admin\AppData\Local\Temp\Server.exe
Filesize
25KB

MD5
ae72c198c0825712f203e258571c0e87

SHA1
066ef64d5f5bb96e1714247c97aaf291907a7b3f

SHA256
7237dd5e4e0c1f2bb79a3ede0919cddf1cac7f1095deb1070275ac4669691c65

SHA512
a48c90badd2346df3e8f1cb1807b9f22177835aba52f2718ed8bc0c00fd4f5020958fe6e8b02c23c1c7380b68c96b1ad17dee51a536a0a26e4f98598354604a1

Download Submit
C:\Windows\Dllhost.exe
Filesize
25KB

MD5
ae72c198c0825712f203e258571c0e87

SHA1
066ef64d5f5bb96e1714247c97aaf291907a7b3f

SHA256
7237dd5e4e0c1f2bb79a3ede0919cddf1cac7f1095deb1070275ac4669691c65

SHA512
a48c90badd2346df3e8f1cb1807b9f22177835aba52f2718ed8bc0c00fd4f5020958fe6e8b02c23c1c7380b68c96b1ad17dee51a536a0a26e4f98598354604a1

Download Submit
C:\Windows\Dllhost.exe
Filesize
25KB

MD5
ae72c198c0825712f203e258571c0e87

SHA1
066ef64d5f5bb96e1714247c97aaf291907a7b3f

SHA256
7237dd5e4e0c1f2bb79a3ede0919cddf1cac7f1095deb1070275ac4669691c65

SHA512
a48c90badd2346df3e8f1cb1807b9f22177835aba52f2718ed8bc0c00fd4f5020958fe6e8b02c23c1c7380b68c96b1ad17dee51a536a0a26e4f98598354604a1

Download Submit
memory/1784-114-0x0000000000F80000-0x0000000000F88000-memory.dmp

Filesize
32KB

Download
memory/1784-115-0x0000000001790000-0x00000000017A2000-memory.dmp

Filesize
72KB

Download
memory/2376-116-0x0000000000000000-mapping.dmp

Download
memory/2376-123-0x0000000000620000-0x000000000062A000-memory.dmp

Filesize
40KB

Download
memory/2640-119-0x0000000000000000-mapping.dmp

Download
memory/4244-122-0x0000000000C50000-0x0000000000C62000-memory.dmp

Filesize
72KB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads