njrat | 0873645be495b8ad95cd7934e510f7cfa99805babe0f477ef3380e3c54d1795d

General

Target

0873645be495b8ad95cd7934e510f7cfa99805babe0f477ef3380e3c54d1795d.exe
Size

23KB
MD5

5a8b9ebda969634bab664c077b431da7
SHA1

3507c4ad69c29ad9146748d1dceec16ea2bad0ea
SHA256

0873645be495b8ad95cd7934e510f7cfa99805babe0f477ef3380e3c54d1795d
SHA512

96e5a65bddf0a52e1c764d6a6dfbd5acaf1dadabda395e0f82e3ab47f7445b6319d187ded84900de0c919505b77f73965aa5aa756c6322d0b54047d2972beb40
SSDEEP

384:LcqbCK0l4h7o9SVyDGvENuh46/gJkOmMSW38mRvR6JZlbw8hqIusZzZqA:Q30py6vhxaRpcnuI

Score

10^/10

njrat hacked evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

192.168.1.110:5552

Mutex

b4647b9af4204af569c0253484a5ae5a

Attributes

reg_key
b4647b9af4204af569c0253484a5ae5a
splitter
|'|'|

Signatures

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

Processes:

server.exe

pid process

1332 server.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

1728 netsh.exe
Loads dropped DLL 1 IoCs

Processes:

0873645be495b8ad95cd7934e510f7cfa99805babe0f477ef3380e3c54d1795d.exe

pid process

1600 0873645be495b8ad95cd7934e510f7cfa99805babe0f477ef3380e3c54d1795d.exe

pid	process
1332	server.exe

pid	process
1728	netsh.exe

pid	process
1600	0873645be495b8ad95cd7934e510f7cfa99805babe0f477ef3380e3c54d1795d.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\b4647b9af4204af569c0253484a5ae5a = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\b4647b9af4204af569c0253484a5ae5a = "\"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	1332	server.exe
Token: 33	1332	server.exe
Token: SeIncBasePriorityPrivilege	1332	server.exe
Token: 33	1332	server.exe
Token: SeIncBasePriorityPrivilege	1332	server.exe
Token: 33	1332	server.exe
Token: SeIncBasePriorityPrivilege	1332	server.exe
Token: 33	1332	server.exe
Token: SeIncBasePriorityPrivilege	1332	server.exe
Token: 33	1332	server.exe
Token: SeIncBasePriorityPrivilege	1332	server.exe
Token: 33	1332	server.exe
Token: SeIncBasePriorityPrivilege	1332	server.exe
Token: 33	1332	server.exe
Token: SeIncBasePriorityPrivilege	1332	server.exe
Token: 33	1332	server.exe
Token: SeIncBasePriorityPrivilege	1332	server.exe
Token: 33	1332	server.exe
Token: SeIncBasePriorityPrivilege	1332	server.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

0873645be495b8ad95cd7934e510f7cfa99805babe0f477ef3380e3c54d1795d.exeserver.exe

description	pid	process	target process
PID 1600 wrote to memory of 1332	1600	0873645be495b8ad95cd7934e510f7cfa99805babe0f477ef3380e3c54d1795d.exe	server.exe
PID 1600 wrote to memory of 1332	1600	0873645be495b8ad95cd7934e510f7cfa99805babe0f477ef3380e3c54d1795d.exe	server.exe
PID 1600 wrote to memory of 1332	1600	0873645be495b8ad95cd7934e510f7cfa99805babe0f477ef3380e3c54d1795d.exe	server.exe
PID 1600 wrote to memory of 1332	1600	0873645be495b8ad95cd7934e510f7cfa99805babe0f477ef3380e3c54d1795d.exe	server.exe
PID 1332 wrote to memory of 1728	1332	server.exe	netsh.exe
PID 1332 wrote to memory of 1728	1332	server.exe	netsh.exe
PID 1332 wrote to memory of 1728	1332	server.exe	netsh.exe
PID 1332 wrote to memory of 1728	1332	server.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\0873645be495b8ad95cd7934e510f7cfa99805babe0f477ef3380e3c54d1795d.exe
"C:\Users\Admin\AppData\Local\Temp\0873645be495b8ad95cd7934e510f7cfa99805babe0f477ef3380e3c54d1795d.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1600

C:\Users\Admin\AppData\Local\Temp\server.exe
"C:\Users\Admin\AppData\Local\Temp\server.exe"
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1332

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
3⤵
- Modifies Windows Firewall
PID:1728

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
23KB

MD5
5a8b9ebda969634bab664c077b431da7

SHA1
3507c4ad69c29ad9146748d1dceec16ea2bad0ea

SHA256
0873645be495b8ad95cd7934e510f7cfa99805babe0f477ef3380e3c54d1795d

SHA512
96e5a65bddf0a52e1c764d6a6dfbd5acaf1dadabda395e0f82e3ab47f7445b6319d187ded84900de0c919505b77f73965aa5aa756c6322d0b54047d2972beb40

Download Submit
C:\Users\Admin\AppData\Local\Temp\server.exe
Filesize
23KB

MD5
5a8b9ebda969634bab664c077b431da7

SHA1
3507c4ad69c29ad9146748d1dceec16ea2bad0ea

SHA256
0873645be495b8ad95cd7934e510f7cfa99805babe0f477ef3380e3c54d1795d

SHA512
96e5a65bddf0a52e1c764d6a6dfbd5acaf1dadabda395e0f82e3ab47f7445b6319d187ded84900de0c919505b77f73965aa5aa756c6322d0b54047d2972beb40

Download Submit
\Users\Admin\AppData\Local\Temp\server.exe
Filesize
23KB

MD5
5a8b9ebda969634bab664c077b431da7

SHA1
3507c4ad69c29ad9146748d1dceec16ea2bad0ea

SHA256
0873645be495b8ad95cd7934e510f7cfa99805babe0f477ef3380e3c54d1795d

SHA512
96e5a65bddf0a52e1c764d6a6dfbd5acaf1dadabda395e0f82e3ab47f7445b6319d187ded84900de0c919505b77f73965aa5aa756c6322d0b54047d2972beb40

Download Submit
memory/1332-57-0x0000000000000000-mapping.dmp

Download
memory/1332-62-0x0000000074100000-0x00000000746AB000-memory.dmp

Filesize
5.7MB

Download
memory/1332-65-0x0000000074100000-0x00000000746AB000-memory.dmp

Filesize
5.7MB

Download
memory/1600-54-0x00000000752B1000-0x00000000752B3000-memory.dmp

Filesize
8KB

Download
memory/1600-55-0x0000000074100000-0x00000000746AB000-memory.dmp

Filesize
5.7MB

Download
memory/1600-61-0x0000000074100000-0x00000000746AB000-memory.dmp

Filesize
5.7MB

Download
memory/1728-63-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads