njrat | 8d7a692207eeb5b954bc28e7a5dac677295ce732fd4f7bea83ec98f6477417fc

General

Target

8d7a692207eeb5b954bc28e7a5dac677295ce732fd4f7bea83ec98f6477417fc.exe
Size

251KB
MD5

8d493ee0b7d0e583917627629c944558
SHA1

293b4a60311ae615c4145879e810ea7646602b53
SHA256

8d7a692207eeb5b954bc28e7a5dac677295ce732fd4f7bea83ec98f6477417fc
SHA512

44ec0354d0222fa9ea6ef998c80841bb3b387b4cad80818b06700a04f248854e4c2d7352780095657c1a4342310b67e0f993278a8072e51c1f099c9e71b5aa98
SSDEEP

3072:DKKEi+8d31/oMP5eoNZK5uHI9D5GgcBB40ICqsySuUgAUUCYi:DKKCy1/oMPcoNHIV5sBK0I4TJCY

Score

10^/10

njrat saleh evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.6.4

Botnet

saleh

C2

freepage.sytes.net:1177

Mutex

6e1ce27bcc6ff5920e6f5b65cc3a57bd

Attributes

reg_key
6e1ce27bcc6ff5920e6f5b65cc3a57bd
splitter
|'|'|

Signatures

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

Processes:

services.exe

pid process

624 services.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

1412 netsh.exe

pid	process
624	services.exe

pid	process
1412	netsh.exe

Drops startup file 2 IoCs

Processes:

services.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\6e1ce27bcc6ff5920e6f5b65cc3a57bd.exe	services.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\6e1ce27bcc6ff5920e6f5b65cc3a57bd.exe	services.exe

Loads dropped DLL 1 IoCs

Processes:

8d7a692207eeb5b954bc28e7a5dac677295ce732fd4f7bea83ec98f6477417fc.exe

pid process

1256 8d7a692207eeb5b954bc28e7a5dac677295ce732fd4f7bea83ec98f6477417fc.exe

pid	process
1256	8d7a692207eeb5b954bc28e7a5dac677295ce732fd4f7bea83ec98f6477417fc.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

services.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\6e1ce27bcc6ff5920e6f5b65cc3a57bd = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\services.exe\" .."	services.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\6e1ce27bcc6ff5920e6f5b65cc3a57bd = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\services.exe\" .."	services.exe

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

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

services.exe

pid process

624 services.exe
624 services.exe
624 services.exe
624 services.exe
624 services.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

services.exe

description pid process

Token: SeDebugPrivilege 624 services.exe

pid	process
624	services.exe
624	services.exe
624	services.exe
624	services.exe
624	services.exe

description	pid	process
Token: SeDebugPrivilege	624	services.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

8d7a692207eeb5b954bc28e7a5dac677295ce732fd4f7bea83ec98f6477417fc.exeservices.exe

description	pid	process	target process
PID 1256 wrote to memory of 624	1256	8d7a692207eeb5b954bc28e7a5dac677295ce732fd4f7bea83ec98f6477417fc.exe	services.exe
PID 1256 wrote to memory of 624	1256	8d7a692207eeb5b954bc28e7a5dac677295ce732fd4f7bea83ec98f6477417fc.exe	services.exe
PID 1256 wrote to memory of 624	1256	8d7a692207eeb5b954bc28e7a5dac677295ce732fd4f7bea83ec98f6477417fc.exe	services.exe
PID 1256 wrote to memory of 624	1256	8d7a692207eeb5b954bc28e7a5dac677295ce732fd4f7bea83ec98f6477417fc.exe	services.exe
PID 624 wrote to memory of 1412	624	services.exe	netsh.exe
PID 624 wrote to memory of 1412	624	services.exe	netsh.exe
PID 624 wrote to memory of 1412	624	services.exe	netsh.exe
PID 624 wrote to memory of 1412	624	services.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\8d7a692207eeb5b954bc28e7a5dac677295ce732fd4f7bea83ec98f6477417fc.exe
"C:\Users\Admin\AppData\Local\Temp\8d7a692207eeb5b954bc28e7a5dac677295ce732fd4f7bea83ec98f6477417fc.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1256

C:\Users\Admin\AppData\Local\Temp\services.exe
"C:\Users\Admin\AppData\Local\Temp\services.exe"
2⤵
- Executes dropped EXE
- Drops startup file
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:624

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\services.exe" "services.exe" ENABLE
3⤵
- Modifies Windows Firewall
PID:1412

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

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\services.exe
Filesize
251KB

MD5
8d493ee0b7d0e583917627629c944558

SHA1
293b4a60311ae615c4145879e810ea7646602b53

SHA256
8d7a692207eeb5b954bc28e7a5dac677295ce732fd4f7bea83ec98f6477417fc

SHA512
44ec0354d0222fa9ea6ef998c80841bb3b387b4cad80818b06700a04f248854e4c2d7352780095657c1a4342310b67e0f993278a8072e51c1f099c9e71b5aa98

Download Submit
C:\Users\Admin\AppData\Local\Temp\services.exe
Filesize
251KB

MD5
8d493ee0b7d0e583917627629c944558

SHA1
293b4a60311ae615c4145879e810ea7646602b53

SHA256
8d7a692207eeb5b954bc28e7a5dac677295ce732fd4f7bea83ec98f6477417fc

SHA512
44ec0354d0222fa9ea6ef998c80841bb3b387b4cad80818b06700a04f248854e4c2d7352780095657c1a4342310b67e0f993278a8072e51c1f099c9e71b5aa98

Download Submit
\Users\Admin\AppData\Local\Temp\services.exe
Filesize
251KB

MD5
8d493ee0b7d0e583917627629c944558

SHA1
293b4a60311ae615c4145879e810ea7646602b53

SHA256
8d7a692207eeb5b954bc28e7a5dac677295ce732fd4f7bea83ec98f6477417fc

SHA512
44ec0354d0222fa9ea6ef998c80841bb3b387b4cad80818b06700a04f248854e4c2d7352780095657c1a4342310b67e0f993278a8072e51c1f099c9e71b5aa98

Download Submit
memory/624-58-0x0000000000000000-mapping.dmp

Download
memory/624-61-0x00000000000A0000-0x00000000000E6000-memory.dmp

Filesize
280KB

Download
memory/1256-54-0x0000000000CA0000-0x0000000000CE6000-memory.dmp

Filesize
280KB

Download
memory/1256-55-0x0000000000480000-0x000000000048E000-memory.dmp

Filesize
56KB

Download
memory/1256-56-0x0000000075C61000-0x0000000075C63000-memory.dmp

Filesize
8KB

Download
memory/1412-62-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads