njrat | 65775c3bb48b84b7d3cc49fe4dbda739721ee6a9bb401a5352c8ddaa30cbed4d

General

Target

65775c3bb48b84b7d3cc49fe4dbda739721ee6a9bb401a5352c8ddaa30cbed4d.exe
Size

31KB
MD5

6955b2a45017c2222c4597114db081ff
SHA1

372f7cda076acfe22f1b0dd7f83ae1c267a0f811
SHA256

65775c3bb48b84b7d3cc49fe4dbda739721ee6a9bb401a5352c8ddaa30cbed4d
SHA512

f00413f7545ab947acbb87bbcbaedc712e4923ee5bcb256730fddaad222680e4e5e19179cb9a841e3c8bad9677be00c10ac667967a833f719e36c03f07bd3441

Score

10^/10

njrat q evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

q

Mutex

2fddf94343dded05227b585c3a4e54e8

Attributes

reg_key
2fddf94343dded05227b585c3a4e54e8
splitter
Y262SUCZ4UJJ

Signatures

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

Processes:

WindowsServices.exe

pid process

1844 WindowsServices.exe
Modifies Windows Firewall 1 TTPs
evasion

Modify Existing Service
T1031

pid	process
1844	WindowsServices.exe

Drops startup file 2 IoCs

Processes:

WindowsServices.exe

description	ioc	process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\2fddf94343dded05227b585c3a4e54e8.exe	WindowsServices.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\2fddf94343dded05227b585c3a4e54e8.exe	WindowsServices.exe

Loads dropped DLL 1 IoCs

Processes:

65775c3bb48b84b7d3cc49fe4dbda739721ee6a9bb401a5352c8ddaa30cbed4d.exe

pid process

1884 65775c3bb48b84b7d3cc49fe4dbda739721ee6a9bb401a5352c8ddaa30cbed4d.exe

pid	process
1884	65775c3bb48b84b7d3cc49fe4dbda739721ee6a9bb401a5352c8ddaa30cbed4d.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

WindowsServices.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\2fddf94343dded05227b585c3a4e54e8 = "\"C:\\Users\\Admin\\AppData\\Roaming\\WindowsServices.exe\" .."	WindowsServices.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows\CurrentVersion\Run\2fddf94343dded05227b585c3a4e54e8 = "\"C:\\Users\\Admin\\AppData\\Roaming\\WindowsServices.exe\" .."	WindowsServices.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 17 IoCs

Processes:

WindowsServices.exe

description	pid	process
Token: SeDebugPrivilege	1844	WindowsServices.exe
Token: 33	1844	WindowsServices.exe
Token: SeIncBasePriorityPrivilege	1844	WindowsServices.exe
Token: 33	1844	WindowsServices.exe
Token: SeIncBasePriorityPrivilege	1844	WindowsServices.exe
Token: 33	1844	WindowsServices.exe
Token: SeIncBasePriorityPrivilege	1844	WindowsServices.exe
Token: 33	1844	WindowsServices.exe
Token: SeIncBasePriorityPrivilege	1844	WindowsServices.exe
Token: 33	1844	WindowsServices.exe
Token: SeIncBasePriorityPrivilege	1844	WindowsServices.exe
Token: 33	1844	WindowsServices.exe
Token: SeIncBasePriorityPrivilege	1844	WindowsServices.exe
Token: 33	1844	WindowsServices.exe
Token: SeIncBasePriorityPrivilege	1844	WindowsServices.exe
Token: 33	1844	WindowsServices.exe
Token: SeIncBasePriorityPrivilege	1844	WindowsServices.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

65775c3bb48b84b7d3cc49fe4dbda739721ee6a9bb401a5352c8ddaa30cbed4d.exeWindowsServices.exe

description	pid	process	target process
PID 1884 wrote to memory of 1844	1884	65775c3bb48b84b7d3cc49fe4dbda739721ee6a9bb401a5352c8ddaa30cbed4d.exe	WindowsServices.exe
PID 1884 wrote to memory of 1844	1884	65775c3bb48b84b7d3cc49fe4dbda739721ee6a9bb401a5352c8ddaa30cbed4d.exe	WindowsServices.exe
PID 1884 wrote to memory of 1844	1884	65775c3bb48b84b7d3cc49fe4dbda739721ee6a9bb401a5352c8ddaa30cbed4d.exe	WindowsServices.exe
PID 1884 wrote to memory of 1844	1884	65775c3bb48b84b7d3cc49fe4dbda739721ee6a9bb401a5352c8ddaa30cbed4d.exe	WindowsServices.exe
PID 1844 wrote to memory of 1592	1844	WindowsServices.exe	netsh.exe
PID 1844 wrote to memory of 1592	1844	WindowsServices.exe	netsh.exe
PID 1844 wrote to memory of 1592	1844	WindowsServices.exe	netsh.exe
PID 1844 wrote to memory of 1592	1844	WindowsServices.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\65775c3bb48b84b7d3cc49fe4dbda739721ee6a9bb401a5352c8ddaa30cbed4d.exe
"C:\Users\Admin\AppData\Local\Temp\65775c3bb48b84b7d3cc49fe4dbda739721ee6a9bb401a5352c8ddaa30cbed4d.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1884
- C:\Users\Admin\AppData\Roaming\WindowsServices.exe
  "C:\Users\Admin\AppData\Roaming\WindowsServices.exe"
  2⤵
  - Executes dropped EXE
  - Drops startup file
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1844
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\WindowsServices.exe" "WindowsServices.exe" ENABLE
    3⤵
    PID:1592

Network

MITRE ATT&CK Enterprise 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

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\WindowsServices.exe

Filesize
31KB

MD5
6955b2a45017c2222c4597114db081ff

SHA1
372f7cda076acfe22f1b0dd7f83ae1c267a0f811

SHA256
65775c3bb48b84b7d3cc49fe4dbda739721ee6a9bb401a5352c8ddaa30cbed4d

SHA512
f00413f7545ab947acbb87bbcbaedc712e4923ee5bcb256730fddaad222680e4e5e19179cb9a841e3c8bad9677be00c10ac667967a833f719e36c03f07bd3441

Download Submit
C:\Users\Admin\AppData\Roaming\WindowsServices.exe

Filesize
31KB

MD5
6955b2a45017c2222c4597114db081ff

SHA1
372f7cda076acfe22f1b0dd7f83ae1c267a0f811

SHA256
65775c3bb48b84b7d3cc49fe4dbda739721ee6a9bb401a5352c8ddaa30cbed4d

SHA512
f00413f7545ab947acbb87bbcbaedc712e4923ee5bcb256730fddaad222680e4e5e19179cb9a841e3c8bad9677be00c10ac667967a833f719e36c03f07bd3441

Download Submit
\Users\Admin\AppData\Roaming\WindowsServices.exe

Filesize
31KB

MD5
6955b2a45017c2222c4597114db081ff

SHA1
372f7cda076acfe22f1b0dd7f83ae1c267a0f811

SHA256
65775c3bb48b84b7d3cc49fe4dbda739721ee6a9bb401a5352c8ddaa30cbed4d

SHA512
f00413f7545ab947acbb87bbcbaedc712e4923ee5bcb256730fddaad222680e4e5e19179cb9a841e3c8bad9677be00c10ac667967a833f719e36c03f07bd3441

Download Submit
memory/1592-62-0x0000000000000000-mapping.dmp

Download
memory/1844-57-0x0000000000000000-mapping.dmp

Download
memory/1844-61-0x00000000740E0000-0x000000007468B000-memory.dmp

Filesize
5.7MB

Download
memory/1884-54-0x00000000759E1000-0x00000000759E3000-memory.dmp

Filesize
8KB

Download
memory/1884-55-0x00000000740E0000-0x000000007468B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads