njrat | 3e6b77bd648a953a7f602a7be5fa16d47a1bb3adda887c8760c6fe1afdb1a587

General

Target

3e6b77bd648a953a7f602a7be5fa16d47a1bb3adda887c8760c6fe1afdb1a587.exe
Size

43KB
MD5

022546fb9a9b62958ddb0794c9f6b95a
SHA1

15888870cc340c297fc1858fa552c5f10ce630b7
SHA256

3e6b77bd648a953a7f602a7be5fa16d47a1bb3adda887c8760c6fe1afdb1a587
SHA512

35bfab9d8bc054204cf8b9e30b7499e450c70163cb385230ef535f8ca39e83472919543cbedc84f998b18ca9be840037aa9371dc1b86f7b6ff7f6f8db801f7b4

Score

10^/10

njrat hacked persistence trojan

Malware Config

Extracted

Family

njrat

Version

Njrat 0.7 Golden By Hassan Amiri

Botnet

HacKed

C2

nikits.ddns.net:1604

Mutex

Windows Update

Attributes

reg_key
Windows Update
splitter
|Hassan|

Signatures

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

Processes:

Dllhost.exe

pid process

1312 Dllhost.exe

pid	process
1312	Dllhost.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

Loads dropped DLL 1 IoCs

Processes:

3e6b77bd648a953a7f602a7be5fa16d47a1bb3adda887c8760c6fe1afdb1a587.exe

pid process

1160 3e6b77bd648a953a7f602a7be5fa16d47a1bb3adda887c8760c6fe1afdb1a587.exe

pid	process
1160	3e6b77bd648a953a7f602a7be5fa16d47a1bb3adda887c8760c6fe1afdb1a587.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-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Roaming\\Dllhost.exe\" .."	Dllhost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Roaming\\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
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Dllhost.exe

pid process

1312 Dllhost.exe

pid	process
1312	Dllhost.exe

Suspicious use of AdjustPrivilegeToken 19 IoCs

Processes:

Dllhost.exe

description	pid	process
Token: SeDebugPrivilege	1312	Dllhost.exe
Token: 33	1312	Dllhost.exe
Token: SeIncBasePriorityPrivilege	1312	Dllhost.exe
Token: 33	1312	Dllhost.exe
Token: SeIncBasePriorityPrivilege	1312	Dllhost.exe
Token: 33	1312	Dllhost.exe
Token: SeIncBasePriorityPrivilege	1312	Dllhost.exe
Token: 33	1312	Dllhost.exe
Token: SeIncBasePriorityPrivilege	1312	Dllhost.exe
Token: 33	1312	Dllhost.exe
Token: SeIncBasePriorityPrivilege	1312	Dllhost.exe
Token: 33	1312	Dllhost.exe
Token: SeIncBasePriorityPrivilege	1312	Dllhost.exe
Token: 33	1312	Dllhost.exe
Token: SeIncBasePriorityPrivilege	1312	Dllhost.exe
Token: 33	1312	Dllhost.exe
Token: SeIncBasePriorityPrivilege	1312	Dllhost.exe
Token: 33	1312	Dllhost.exe
Token: SeIncBasePriorityPrivilege	1312	Dllhost.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

3e6b77bd648a953a7f602a7be5fa16d47a1bb3adda887c8760c6fe1afdb1a587.exe

description	pid	process	target process
PID 1160 wrote to memory of 1312	1160	3e6b77bd648a953a7f602a7be5fa16d47a1bb3adda887c8760c6fe1afdb1a587.exe	Dllhost.exe
PID 1160 wrote to memory of 1312	1160	3e6b77bd648a953a7f602a7be5fa16d47a1bb3adda887c8760c6fe1afdb1a587.exe	Dllhost.exe
PID 1160 wrote to memory of 1312	1160	3e6b77bd648a953a7f602a7be5fa16d47a1bb3adda887c8760c6fe1afdb1a587.exe	Dllhost.exe
PID 1160 wrote to memory of 1312	1160	3e6b77bd648a953a7f602a7be5fa16d47a1bb3adda887c8760c6fe1afdb1a587.exe	Dllhost.exe

C:\Users\Admin\AppData\Local\Temp\3e6b77bd648a953a7f602a7be5fa16d47a1bb3adda887c8760c6fe1afdb1a587.exe
"C:\Users\Admin\AppData\Local\Temp\3e6b77bd648a953a7f602a7be5fa16d47a1bb3adda887c8760c6fe1afdb1a587.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1160

C:\Users\Admin\AppData\Roaming\Dllhost.exe
"C:\Users\Admin\AppData\Roaming\Dllhost.exe"
2⤵
- Executes dropped EXE
- Drops startup file
- Adds Run key to start application
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:1312

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\Dllhost.exe
Filesize
43KB

MD5
022546fb9a9b62958ddb0794c9f6b95a

SHA1
15888870cc340c297fc1858fa552c5f10ce630b7

SHA256
3e6b77bd648a953a7f602a7be5fa16d47a1bb3adda887c8760c6fe1afdb1a587

SHA512
35bfab9d8bc054204cf8b9e30b7499e450c70163cb385230ef535f8ca39e83472919543cbedc84f998b18ca9be840037aa9371dc1b86f7b6ff7f6f8db801f7b4

Download Submit
C:\Users\Admin\AppData\Roaming\Dllhost.exe
Filesize
43KB

MD5
022546fb9a9b62958ddb0794c9f6b95a

SHA1
15888870cc340c297fc1858fa552c5f10ce630b7

SHA256
3e6b77bd648a953a7f602a7be5fa16d47a1bb3adda887c8760c6fe1afdb1a587

SHA512
35bfab9d8bc054204cf8b9e30b7499e450c70163cb385230ef535f8ca39e83472919543cbedc84f998b18ca9be840037aa9371dc1b86f7b6ff7f6f8db801f7b4

Download Submit
\Users\Admin\AppData\Roaming\Dllhost.exe
Filesize
43KB

MD5
022546fb9a9b62958ddb0794c9f6b95a

SHA1
15888870cc340c297fc1858fa552c5f10ce630b7

SHA256
3e6b77bd648a953a7f602a7be5fa16d47a1bb3adda887c8760c6fe1afdb1a587

SHA512
35bfab9d8bc054204cf8b9e30b7499e450c70163cb385230ef535f8ca39e83472919543cbedc84f998b18ca9be840037aa9371dc1b86f7b6ff7f6f8db801f7b4

Download Submit
memory/1160-54-0x0000000000250000-0x0000000000262000-memory.dmp

Filesize
72KB

Download
memory/1160-55-0x0000000075581000-0x0000000075583000-memory.dmp

Filesize
8KB

Download
memory/1312-57-0x0000000000000000-mapping.dmp

Download
memory/1312-60-0x0000000000290000-0x00000000002A2000-memory.dmp

Filesize
72KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads