njrat | 839c9cd69a9b5168f40b8c222b35cd183520dc3323e5d51598c04a8c6b03f3c9

General

Target

839c9cd69a9b5168f40b8c222b35cd183520dc3323e5d51598c04a8c6b03f3c9.exe
Size

23KB
MD5

07f175882fcfb27f1ee32668d2a30fc1
SHA1

e50876dae588993fd29b14c5201fc695cb90da64
SHA256

839c9cd69a9b5168f40b8c222b35cd183520dc3323e5d51598c04a8c6b03f3c9
SHA512

4d17637a699a6097c55cf976fcda13ff56c4c6bf280dce420e0dd83d4c56b5da3f61d679af5068c52903c8e4682dbce0fe1459a393c0b3f63d1957a7bf875bbb
SSDEEP

384:QY324bcgPiJLQrfARGSRUJsbY6ZgvSMBD3t8mRvR6JZlbw8hqIusZzZbQ:/L2s+tRyRpcnuD

Score

10^/10

njrat hacked evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

127.0.0.1:5552

Mutex

b99a7aae14ee0bf4b8e6b90ecd7a8198

Attributes

reg_key
b99a7aae14ee0bf4b8e6b90ecd7a8198
splitter
|'|'|

Signatures

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

Processes:

Stresser.exe

pid process

1168 Stresser.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

1604 netsh.exe
Loads dropped DLL 1 IoCs

Processes:

839c9cd69a9b5168f40b8c222b35cd183520dc3323e5d51598c04a8c6b03f3c9.exe

pid process

1872 839c9cd69a9b5168f40b8c222b35cd183520dc3323e5d51598c04a8c6b03f3c9.exe

pid	process
1168	Stresser.exe

pid	process
1604	netsh.exe

pid	process
1872	839c9cd69a9b5168f40b8c222b35cd183520dc3323e5d51598c04a8c6b03f3c9.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Stresser.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\b99a7aae14ee0bf4b8e6b90ecd7a8198 = "\"C:\\Users\\Admin\\AppData\\Roaming\\Stresser.exe\" .."	Stresser.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\b99a7aae14ee0bf4b8e6b90ecd7a8198 = "\"C:\\Users\\Admin\\AppData\\Roaming\\Stresser.exe\" .."	Stresser.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:

Stresser.exe

description	pid	process
Token: SeDebugPrivilege	1168	Stresser.exe
Token: 33	1168	Stresser.exe
Token: SeIncBasePriorityPrivilege	1168	Stresser.exe
Token: 33	1168	Stresser.exe
Token: SeIncBasePriorityPrivilege	1168	Stresser.exe
Token: 33	1168	Stresser.exe
Token: SeIncBasePriorityPrivilege	1168	Stresser.exe
Token: 33	1168	Stresser.exe
Token: SeIncBasePriorityPrivilege	1168	Stresser.exe
Token: 33	1168	Stresser.exe
Token: SeIncBasePriorityPrivilege	1168	Stresser.exe
Token: 33	1168	Stresser.exe
Token: SeIncBasePriorityPrivilege	1168	Stresser.exe
Token: 33	1168	Stresser.exe
Token: SeIncBasePriorityPrivilege	1168	Stresser.exe
Token: 33	1168	Stresser.exe
Token: SeIncBasePriorityPrivilege	1168	Stresser.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

839c9cd69a9b5168f40b8c222b35cd183520dc3323e5d51598c04a8c6b03f3c9.exeStresser.exe

description	pid	process	target process
PID 1872 wrote to memory of 1168	1872	839c9cd69a9b5168f40b8c222b35cd183520dc3323e5d51598c04a8c6b03f3c9.exe	Stresser.exe
PID 1872 wrote to memory of 1168	1872	839c9cd69a9b5168f40b8c222b35cd183520dc3323e5d51598c04a8c6b03f3c9.exe	Stresser.exe
PID 1872 wrote to memory of 1168	1872	839c9cd69a9b5168f40b8c222b35cd183520dc3323e5d51598c04a8c6b03f3c9.exe	Stresser.exe
PID 1872 wrote to memory of 1168	1872	839c9cd69a9b5168f40b8c222b35cd183520dc3323e5d51598c04a8c6b03f3c9.exe	Stresser.exe
PID 1168 wrote to memory of 1604	1168	Stresser.exe	netsh.exe
PID 1168 wrote to memory of 1604	1168	Stresser.exe	netsh.exe
PID 1168 wrote to memory of 1604	1168	Stresser.exe	netsh.exe
PID 1168 wrote to memory of 1604	1168	Stresser.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\839c9cd69a9b5168f40b8c222b35cd183520dc3323e5d51598c04a8c6b03f3c9.exe
"C:\Users\Admin\AppData\Local\Temp\839c9cd69a9b5168f40b8c222b35cd183520dc3323e5d51598c04a8c6b03f3c9.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1872

C:\Users\Admin\AppData\Roaming\Stresser.exe
"C:\Users\Admin\AppData\Roaming\Stresser.exe"
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1168

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\Stresser.exe" "Stresser.exe" ENABLE
3⤵
- Modifies Windows Firewall
PID:1604

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

Replay Monitor

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Downloads

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

MD5
07f175882fcfb27f1ee32668d2a30fc1

SHA1
e50876dae588993fd29b14c5201fc695cb90da64

SHA256
839c9cd69a9b5168f40b8c222b35cd183520dc3323e5d51598c04a8c6b03f3c9

SHA512
4d17637a699a6097c55cf976fcda13ff56c4c6bf280dce420e0dd83d4c56b5da3f61d679af5068c52903c8e4682dbce0fe1459a393c0b3f63d1957a7bf875bbb

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

MD5
07f175882fcfb27f1ee32668d2a30fc1

SHA1
e50876dae588993fd29b14c5201fc695cb90da64

SHA256
839c9cd69a9b5168f40b8c222b35cd183520dc3323e5d51598c04a8c6b03f3c9

SHA512
4d17637a699a6097c55cf976fcda13ff56c4c6bf280dce420e0dd83d4c56b5da3f61d679af5068c52903c8e4682dbce0fe1459a393c0b3f63d1957a7bf875bbb

Download Submit
\Users\Admin\AppData\Roaming\Stresser.exe
Filesize
23KB

MD5
07f175882fcfb27f1ee32668d2a30fc1

SHA1
e50876dae588993fd29b14c5201fc695cb90da64

SHA256
839c9cd69a9b5168f40b8c222b35cd183520dc3323e5d51598c04a8c6b03f3c9

SHA512
4d17637a699a6097c55cf976fcda13ff56c4c6bf280dce420e0dd83d4c56b5da3f61d679af5068c52903c8e4682dbce0fe1459a393c0b3f63d1957a7bf875bbb

Download Submit
memory/1168-57-0x0000000000000000-mapping.dmp

Download
memory/1168-62-0x0000000074300000-0x00000000748AB000-memory.dmp

Filesize
5.7MB

Download
memory/1168-64-0x0000000074300000-0x00000000748AB000-memory.dmp

Filesize
5.7MB

Download
memory/1604-63-0x0000000000000000-mapping.dmp

Download
memory/1872-54-0x0000000075841000-0x0000000075843000-memory.dmp

Filesize
8KB

Download
memory/1872-55-0x0000000074300000-0x00000000748AB000-memory.dmp

Filesize
5.7MB

Download
memory/1872-61-0x0000000074300000-0x00000000748AB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads