njrat | 7c33f0d59d53070824a3ce5839e6c64271599de87270139bbeab275b8f753f0e

General

Target

7c33f0d59d53070824a3ce5839e6c64271599de87270139bbeab275b8f753f0e.exe
Size

150KB
MD5

61a3e0eb6a7223a1efc176204a0b9590
SHA1

acbb10fe3b27146bbb6098cc6332f2d6f487c485
SHA256

7c33f0d59d53070824a3ce5839e6c64271599de87270139bbeab275b8f753f0e
SHA512

9b82a609625bd608d9aa226d12bbd0dffd04be1f392d67a6b87ebb3d76e445ee911ac8d35c702abf5a5610edb58878a4b4e4811969f0b0907bd4b29d1aca211e
SSDEEP

3072:JwLhY6pJZF4hz5UeR2djsZCgcxXJjX6wAfonA5B5zwEjoh8s:JMYcteR25RDjX6G20f

Score

10^/10

njrat hacked evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

hosny20.no-ip.info:5552

Mutex

c1d096768422c2046b26ba3578e04398

Attributes

reg_key
c1d096768422c2046b26ba3578e04398
splitter
|'|'|

Signatures

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

Processes:

server.exe

pid process

1156 server.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

1152 netsh.exe

pid	process
1156	server.exe

pid	process
1152	netsh.exe

Drops startup file 2 IoCs

Processes:

server.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\c1d096768422c2046b26ba3578e04398.exe	server.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\c1d096768422c2046b26ba3578e04398.exe	server.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

server.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\c1d096768422c2046b26ba3578e04398 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\c1d096768422c2046b26ba3578e04398 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.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 19 IoCs

Processes:

server.exe

description	pid	process
Token: SeDebugPrivilege	1156	server.exe
Token: 33	1156	server.exe
Token: SeIncBasePriorityPrivilege	1156	server.exe
Token: 33	1156	server.exe
Token: SeIncBasePriorityPrivilege	1156	server.exe
Token: 33	1156	server.exe
Token: SeIncBasePriorityPrivilege	1156	server.exe
Token: 33	1156	server.exe
Token: SeIncBasePriorityPrivilege	1156	server.exe
Token: 33	1156	server.exe
Token: SeIncBasePriorityPrivilege	1156	server.exe
Token: 33	1156	server.exe
Token: SeIncBasePriorityPrivilege	1156	server.exe
Token: 33	1156	server.exe
Token: SeIncBasePriorityPrivilege	1156	server.exe
Token: 33	1156	server.exe
Token: SeIncBasePriorityPrivilege	1156	server.exe
Token: 33	1156	server.exe
Token: SeIncBasePriorityPrivilege	1156	server.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

7c33f0d59d53070824a3ce5839e6c64271599de87270139bbeab275b8f753f0e.exeserver.exe

description	pid	process	target process
PID 1448 wrote to memory of 1156	1448	7c33f0d59d53070824a3ce5839e6c64271599de87270139bbeab275b8f753f0e.exe	server.exe
PID 1448 wrote to memory of 1156	1448	7c33f0d59d53070824a3ce5839e6c64271599de87270139bbeab275b8f753f0e.exe	server.exe
PID 1448 wrote to memory of 1156	1448	7c33f0d59d53070824a3ce5839e6c64271599de87270139bbeab275b8f753f0e.exe	server.exe
PID 1156 wrote to memory of 1152	1156	server.exe	netsh.exe
PID 1156 wrote to memory of 1152	1156	server.exe	netsh.exe
PID 1156 wrote to memory of 1152	1156	server.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\7c33f0d59d53070824a3ce5839e6c64271599de87270139bbeab275b8f753f0e.exe
"C:\Users\Admin\AppData\Local\Temp\7c33f0d59d53070824a3ce5839e6c64271599de87270139bbeab275b8f753f0e.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1448

C:\Users\Admin\AppData\Local\Temp\server.exe
"C:\Users\Admin\AppData\Local\Temp\server.exe"
2⤵
- Executes dropped EXE
- Drops startup file
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1156

C:\Windows\system32\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
3⤵
- Modifies Windows Firewall
PID:1152

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\server.exe
Filesize
150KB

MD5
61a3e0eb6a7223a1efc176204a0b9590

SHA1
acbb10fe3b27146bbb6098cc6332f2d6f487c485

SHA256
7c33f0d59d53070824a3ce5839e6c64271599de87270139bbeab275b8f753f0e

SHA512
9b82a609625bd608d9aa226d12bbd0dffd04be1f392d67a6b87ebb3d76e445ee911ac8d35c702abf5a5610edb58878a4b4e4811969f0b0907bd4b29d1aca211e

Download Submit
C:\Users\Admin\AppData\Local\Temp\server.exe
Filesize
150KB

MD5
61a3e0eb6a7223a1efc176204a0b9590

SHA1
acbb10fe3b27146bbb6098cc6332f2d6f487c485

SHA256
7c33f0d59d53070824a3ce5839e6c64271599de87270139bbeab275b8f753f0e

SHA512
9b82a609625bd608d9aa226d12bbd0dffd04be1f392d67a6b87ebb3d76e445ee911ac8d35c702abf5a5610edb58878a4b4e4811969f0b0907bd4b29d1aca211e

Download Submit
memory/1152-64-0x0000000000000000-mapping.dmp

Download
memory/1156-60-0x0000000000000000-mapping.dmp

Download
memory/1156-63-0x0000000000F80000-0x0000000000FAA000-memory.dmp

Filesize
168KB

Download
memory/1448-54-0x0000000000200000-0x000000000022A000-memory.dmp

Filesize
168KB

Download
memory/1448-55-0x0000000000410000-0x0000000000420000-memory.dmp

Filesize
64KB

Download
memory/1448-56-0x0000000000430000-0x0000000000444000-memory.dmp

Filesize
80KB

Download
memory/1448-57-0x0000000000440000-0x000000000044A000-memory.dmp

Filesize
40KB

Download
memory/1448-58-0x0000000000450000-0x000000000045E000-memory.dmp

Filesize
56KB

Download
memory/1448-59-0x000007FEFB9E1000-0x000007FEFB9E3000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads