njrat | a46de7b1eb5d6bd50182eebb1822b4535f3018136cd98af27ae6c462583a2267

Analysis

max time kernel
150s
max time network
141s
platform
windows7_x64
resource
win7v20201028
submitted
15-02-2021 04:40

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General

Target

77d426d73e3aeef4eb5f1ccf5e3815f52af9c4d6b86d43cc5533548a0ab764f7.exe

Score

10^/10

njrat hacked evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.6.4

Botnet

HacKed

malekbb.no-ip.biz:662

Mutex

5903db4c13d1ac1ce32218dcef1070c0

Attributes

reg_key
5903db4c13d1ac1ce32218dcef1070c0
splitter
|'|'|

Signatures

njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat
Modifies Windows Firewall 1 TTPs
evasion

Modify Existing Service
T1031

Drops startup file 2 IoCs

Processes:

77d426d73e3aeef4eb5f1ccf5e3815f52af9c4d6b86d43cc5533548a0ab764f7.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\5903db4c13d1ac1ce32218dcef1070c0.exe	77d426d73e3aeef4eb5f1ccf5e3815f52af9c4d6b86d43cc5533548a0ab764f7.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\5903db4c13d1ac1ce32218dcef1070c0.exe	77d426d73e3aeef4eb5f1ccf5e3815f52af9c4d6b86d43cc5533548a0ab764f7.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

77d426d73e3aeef4eb5f1ccf5e3815f52af9c4d6b86d43cc5533548a0ab764f7.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Windows\CurrentVersion\Run\5903db4c13d1ac1ce32218dcef1070c0 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\77d426d73e3aeef4eb5f1ccf5e3815f52af9c4d6b86d43cc5533548a0ab764f7.exe\" .."	77d426d73e3aeef4eb5f1ccf5e3815f52af9c4d6b86d43cc5533548a0ab764f7.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\5903db4c13d1ac1ce32218dcef1070c0 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\77d426d73e3aeef4eb5f1ccf5e3815f52af9c4d6b86d43cc5533548a0ab764f7.exe\" .."	77d426d73e3aeef4eb5f1ccf5e3815f52af9c4d6b86d43cc5533548a0ab764f7.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

Processes:

77d426d73e3aeef4eb5f1ccf5e3815f52af9c4d6b86d43cc5533548a0ab764f7.exe

pid	process
1632	77d426d73e3aeef4eb5f1ccf5e3815f52af9c4d6b86d43cc5533548a0ab764f7.exe
1632	77d426d73e3aeef4eb5f1ccf5e3815f52af9c4d6b86d43cc5533548a0ab764f7.exe
1632	77d426d73e3aeef4eb5f1ccf5e3815f52af9c4d6b86d43cc5533548a0ab764f7.exe
1632	77d426d73e3aeef4eb5f1ccf5e3815f52af9c4d6b86d43cc5533548a0ab764f7.exe
1632	77d426d73e3aeef4eb5f1ccf5e3815f52af9c4d6b86d43cc5533548a0ab764f7.exe
1632	77d426d73e3aeef4eb5f1ccf5e3815f52af9c4d6b86d43cc5533548a0ab764f7.exe
1632	77d426d73e3aeef4eb5f1ccf5e3815f52af9c4d6b86d43cc5533548a0ab764f7.exe
1632	77d426d73e3aeef4eb5f1ccf5e3815f52af9c4d6b86d43cc5533548a0ab764f7.exe
1632	77d426d73e3aeef4eb5f1ccf5e3815f52af9c4d6b86d43cc5533548a0ab764f7.exe
1632	77d426d73e3aeef4eb5f1ccf5e3815f52af9c4d6b86d43cc5533548a0ab764f7.exe
1632	77d426d73e3aeef4eb5f1ccf5e3815f52af9c4d6b86d43cc5533548a0ab764f7.exe
1632	77d426d73e3aeef4eb5f1ccf5e3815f52af9c4d6b86d43cc5533548a0ab764f7.exe
1632	77d426d73e3aeef4eb5f1ccf5e3815f52af9c4d6b86d43cc5533548a0ab764f7.exe
1632	77d426d73e3aeef4eb5f1ccf5e3815f52af9c4d6b86d43cc5533548a0ab764f7.exe
1632	77d426d73e3aeef4eb5f1ccf5e3815f52af9c4d6b86d43cc5533548a0ab764f7.exe
1632	77d426d73e3aeef4eb5f1ccf5e3815f52af9c4d6b86d43cc5533548a0ab764f7.exe
1632	77d426d73e3aeef4eb5f1ccf5e3815f52af9c4d6b86d43cc5533548a0ab764f7.exe
1632	77d426d73e3aeef4eb5f1ccf5e3815f52af9c4d6b86d43cc5533548a0ab764f7.exe
1632	77d426d73e3aeef4eb5f1ccf5e3815f52af9c4d6b86d43cc5533548a0ab764f7.exe
1632	77d426d73e3aeef4eb5f1ccf5e3815f52af9c4d6b86d43cc5533548a0ab764f7.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

77d426d73e3aeef4eb5f1ccf5e3815f52af9c4d6b86d43cc5533548a0ab764f7.exe

description pid process

Token: SeDebugPrivilege 1632 77d426d73e3aeef4eb5f1ccf5e3815f52af9c4d6b86d43cc5533548a0ab764f7.exe

description	pid	process
Token: SeDebugPrivilege	1632	77d426d73e3aeef4eb5f1ccf5e3815f52af9c4d6b86d43cc5533548a0ab764f7.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

77d426d73e3aeef4eb5f1ccf5e3815f52af9c4d6b86d43cc5533548a0ab764f7.exe

description	pid	process	target process
PID 1632 wrote to memory of 1144	1632	77d426d73e3aeef4eb5f1ccf5e3815f52af9c4d6b86d43cc5533548a0ab764f7.exe	netsh.exe
PID 1632 wrote to memory of 1144	1632	77d426d73e3aeef4eb5f1ccf5e3815f52af9c4d6b86d43cc5533548a0ab764f7.exe	netsh.exe
PID 1632 wrote to memory of 1144	1632	77d426d73e3aeef4eb5f1ccf5e3815f52af9c4d6b86d43cc5533548a0ab764f7.exe	netsh.exe
PID 1632 wrote to memory of 1144	1632	77d426d73e3aeef4eb5f1ccf5e3815f52af9c4d6b86d43cc5533548a0ab764f7.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\77d426d73e3aeef4eb5f1ccf5e3815f52af9c4d6b86d43cc5533548a0ab764f7.exe
"C:\Users\Admin\AppData\Local\Temp\77d426d73e3aeef4eb5f1ccf5e3815f52af9c4d6b86d43cc5533548a0ab764f7.exe"
1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1632

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\77d426d73e3aeef4eb5f1ccf5e3815f52af9c4d6b86d43cc5533548a0ab764f7.exe" "77d426d73e3aeef4eb5f1ccf5e3815f52af9c4d6b86d43cc5533548a0ab764f7.exe" ENABLE
2⤵
PID:1144

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Modify Existing Service

T1031

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1144-6-0x0000000000000000-mapping.dmp

Download
memory/1144-7-0x0000000076341000-0x0000000076343000-memory.dmp

Filesize
8KB

Download
memory/1632-2-0x00000000745C0000-0x0000000074CAE000-memory.dmp

Filesize
6.9MB

Download
memory/1632-3-0x0000000000400000-0x0000000000401000-memory.dmp

Filesize
4KB

Download
memory/1632-5-0x00000000005C0000-0x00000000005C8000-memory.dmp

Filesize
32KB

Download
memory/1632-8-0x00000000049C0000-0x00000000049C1000-memory.dmp

Filesize
4KB

Download
memory/1632-9-0x00000000049C5000-0x00000000049D6000-memory.dmp

Filesize
68KB

Download