njrat | 78670d5a183c2679c8c45c323c23a4c8ca750360a03fb76e1a2923dfca439433

General

Target

78670d5a183c2679c8c45c323c23a4c8ca750360a03fb76e1a2923dfca439433.exe
Size

23KB
MD5

4365a0d1044bc78fa41fd4191678efe5
SHA1

dfac2a71df39d25541322e6474c347ef38c9c438
SHA256

78670d5a183c2679c8c45c323c23a4c8ca750360a03fb76e1a2923dfca439433
SHA512

17993143727707b8fd450e2c5065f5221bc70364ae1cdf6e0e2052a5fae7a4a84429084088e1ff6600815c9a482a69bd0411ec3dc338ab0cd38eb18b222069db
SSDEEP

384:k8aLWS0dABLYVq6RxP8MDFF09vK563gRMmJKUv0mRvR6JZlbw8hqIusZzZxR:jXcwt3tRpcnuI

Score

10^/10

njrat dinaro evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

dinaro

C2

barby.no-ip.biz:1177

Mutex

be38e079e21e7a803483d18fb29a86c3

Attributes

reg_key
be38e079e21e7a803483d18fb29a86c3
splitter
|'|'|

Signatures

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

Processes:

server.exe

pid process

1904 server.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

1632 netsh.exe

pid	process
1904	server.exe

pid	process
1632	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\be38e079e21e7a803483d18fb29a86c3.exe	server.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\be38e079e21e7a803483d18fb29a86c3.exe	server.exe

Loads dropped DLL 1 IoCs

Processes:

78670d5a183c2679c8c45c323c23a4c8ca750360a03fb76e1a2923dfca439433.exe

pid process

472 78670d5a183c2679c8c45c323c23a4c8ca750360a03fb76e1a2923dfca439433.exe

pid	process
472	78670d5a183c2679c8c45c323c23a4c8ca750360a03fb76e1a2923dfca439433.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-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\be38e079e21e7a803483d18fb29a86c3 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\be38e079e21e7a803483d18fb29a86c3 = "\"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 17 IoCs

Processes:

server.exe

description	pid	process
Token: SeDebugPrivilege	1904	server.exe
Token: 33	1904	server.exe
Token: SeIncBasePriorityPrivilege	1904	server.exe
Token: 33	1904	server.exe
Token: SeIncBasePriorityPrivilege	1904	server.exe
Token: 33	1904	server.exe
Token: SeIncBasePriorityPrivilege	1904	server.exe
Token: 33	1904	server.exe
Token: SeIncBasePriorityPrivilege	1904	server.exe
Token: 33	1904	server.exe
Token: SeIncBasePriorityPrivilege	1904	server.exe
Token: 33	1904	server.exe
Token: SeIncBasePriorityPrivilege	1904	server.exe
Token: 33	1904	server.exe
Token: SeIncBasePriorityPrivilege	1904	server.exe
Token: 33	1904	server.exe
Token: SeIncBasePriorityPrivilege	1904	server.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

78670d5a183c2679c8c45c323c23a4c8ca750360a03fb76e1a2923dfca439433.exeserver.exe

description	pid	process	target process
PID 472 wrote to memory of 1904	472	78670d5a183c2679c8c45c323c23a4c8ca750360a03fb76e1a2923dfca439433.exe	server.exe
PID 472 wrote to memory of 1904	472	78670d5a183c2679c8c45c323c23a4c8ca750360a03fb76e1a2923dfca439433.exe	server.exe
PID 472 wrote to memory of 1904	472	78670d5a183c2679c8c45c323c23a4c8ca750360a03fb76e1a2923dfca439433.exe	server.exe
PID 472 wrote to memory of 1904	472	78670d5a183c2679c8c45c323c23a4c8ca750360a03fb76e1a2923dfca439433.exe	server.exe
PID 1904 wrote to memory of 1632	1904	server.exe	netsh.exe
PID 1904 wrote to memory of 1632	1904	server.exe	netsh.exe
PID 1904 wrote to memory of 1632	1904	server.exe	netsh.exe
PID 1904 wrote to memory of 1632	1904	server.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\78670d5a183c2679c8c45c323c23a4c8ca750360a03fb76e1a2923dfca439433.exe
"C:\Users\Admin\AppData\Local\Temp\78670d5a183c2679c8c45c323c23a4c8ca750360a03fb76e1a2923dfca439433.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:472

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:1904

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:1632

Network

MITRE ATT&CK Enterprise 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

Command and Control

Exfiltration

Impact

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Downloads

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

MD5
4365a0d1044bc78fa41fd4191678efe5

SHA1
dfac2a71df39d25541322e6474c347ef38c9c438

SHA256
78670d5a183c2679c8c45c323c23a4c8ca750360a03fb76e1a2923dfca439433

SHA512
17993143727707b8fd450e2c5065f5221bc70364ae1cdf6e0e2052a5fae7a4a84429084088e1ff6600815c9a482a69bd0411ec3dc338ab0cd38eb18b222069db

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

MD5
4365a0d1044bc78fa41fd4191678efe5

SHA1
dfac2a71df39d25541322e6474c347ef38c9c438

SHA256
78670d5a183c2679c8c45c323c23a4c8ca750360a03fb76e1a2923dfca439433

SHA512
17993143727707b8fd450e2c5065f5221bc70364ae1cdf6e0e2052a5fae7a4a84429084088e1ff6600815c9a482a69bd0411ec3dc338ab0cd38eb18b222069db

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

MD5
4365a0d1044bc78fa41fd4191678efe5

SHA1
dfac2a71df39d25541322e6474c347ef38c9c438

SHA256
78670d5a183c2679c8c45c323c23a4c8ca750360a03fb76e1a2923dfca439433

SHA512
17993143727707b8fd450e2c5065f5221bc70364ae1cdf6e0e2052a5fae7a4a84429084088e1ff6600815c9a482a69bd0411ec3dc338ab0cd38eb18b222069db

Download Submit
memory/472-54-0x0000000074FA1000-0x0000000074FA3000-memory.dmp

Filesize
8KB

Download
memory/472-55-0x0000000073FA0000-0x000000007454B000-memory.dmp

Filesize
5.7MB

Download
memory/472-61-0x0000000073FA0000-0x000000007454B000-memory.dmp

Filesize
5.7MB

Download
memory/1632-63-0x0000000000000000-mapping.dmp

Download
memory/1904-57-0x0000000000000000-mapping.dmp

Download
memory/1904-62-0x0000000073FA0000-0x000000007454B000-memory.dmp

Filesize
5.7MB

Download
memory/1904-64-0x0000000073FA0000-0x000000007454B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads