njrat | 5b30914f3bb2dc4ad5fb605bc92dfc89a292020de515651ab404c29a25884f9d

General

Target

5b30914f3bb2dc4ad5fb605bc92dfc89a292020de515651ab404c29a25884f9d.exe
Size

23KB
MD5

8d2da64f6d2d389fef00162e2960c8f6
SHA1

1568a39f7540a3899672ba4b11d2b17024c21ecb
SHA256

5b30914f3bb2dc4ad5fb605bc92dfc89a292020de515651ab404c29a25884f9d
SHA512

41ddbab2b05dd0771d6e89ce8362a41ec96f2c6846a1cba4a7fb1dbd65825e8966d74d196900a71a53e846d92c76382e19ed7abaaf169d7720badc5c20ebe5d8

Score

10^/10

njrat hacked evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

192.30.83.230:5552

Mutex

0b1143fb4c2dc7f8c57479777e842f82

Attributes

reg_key
0b1143fb4c2dc7f8c57479777e842f82
splitter
|'|'|

Signatures

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

Processes:

server.exe

pid process

1244 server.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

2708 netsh.exe

pid	process
1244	server.exe

pid	process
2708	netsh.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

5b30914f3bb2dc4ad5fb605bc92dfc89a292020de515651ab404c29a25884f9d.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2372564722-193526734-2636556182-1000\Control Panel\International\Geo\Nation	5b30914f3bb2dc4ad5fb605bc92dfc89a292020de515651ab404c29a25884f9d.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-1-5-21-2372564722-193526734-2636556182-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\0b1143fb4c2dc7f8c57479777e842f82 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\0b1143fb4c2dc7f8c57479777e842f82 = "\"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 31 IoCs

Processes:

server.exe

description	pid	process
Token: SeDebugPrivilege	1244	server.exe
Token: 33	1244	server.exe
Token: SeIncBasePriorityPrivilege	1244	server.exe
Token: 33	1244	server.exe
Token: SeIncBasePriorityPrivilege	1244	server.exe
Token: 33	1244	server.exe
Token: SeIncBasePriorityPrivilege	1244	server.exe
Token: 33	1244	server.exe
Token: SeIncBasePriorityPrivilege	1244	server.exe
Token: 33	1244	server.exe
Token: SeIncBasePriorityPrivilege	1244	server.exe
Token: 33	1244	server.exe
Token: SeIncBasePriorityPrivilege	1244	server.exe
Token: 33	1244	server.exe
Token: SeIncBasePriorityPrivilege	1244	server.exe
Token: 33	1244	server.exe
Token: SeIncBasePriorityPrivilege	1244	server.exe
Token: 33	1244	server.exe
Token: SeIncBasePriorityPrivilege	1244	server.exe
Token: 33	1244	server.exe
Token: SeIncBasePriorityPrivilege	1244	server.exe
Token: 33	1244	server.exe
Token: SeIncBasePriorityPrivilege	1244	server.exe
Token: 33	1244	server.exe
Token: SeIncBasePriorityPrivilege	1244	server.exe
Token: 33	1244	server.exe
Token: SeIncBasePriorityPrivilege	1244	server.exe
Token: 33	1244	server.exe
Token: SeIncBasePriorityPrivilege	1244	server.exe
Token: 33	1244	server.exe
Token: SeIncBasePriorityPrivilege	1244	server.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

5b30914f3bb2dc4ad5fb605bc92dfc89a292020de515651ab404c29a25884f9d.exeserver.exe

description	pid	process	target process
PID 4488 wrote to memory of 1244	4488	5b30914f3bb2dc4ad5fb605bc92dfc89a292020de515651ab404c29a25884f9d.exe	server.exe
PID 4488 wrote to memory of 1244	4488	5b30914f3bb2dc4ad5fb605bc92dfc89a292020de515651ab404c29a25884f9d.exe	server.exe
PID 4488 wrote to memory of 1244	4488	5b30914f3bb2dc4ad5fb605bc92dfc89a292020de515651ab404c29a25884f9d.exe	server.exe
PID 1244 wrote to memory of 2708	1244	server.exe	netsh.exe
PID 1244 wrote to memory of 2708	1244	server.exe	netsh.exe
PID 1244 wrote to memory of 2708	1244	server.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\5b30914f3bb2dc4ad5fb605bc92dfc89a292020de515651ab404c29a25884f9d.exe
"C:\Users\Admin\AppData\Local\Temp\5b30914f3bb2dc4ad5fb605bc92dfc89a292020de515651ab404c29a25884f9d.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4488

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:1244

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:2708

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

Query Registry

1

T1012

System Information Discovery

2

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
8d2da64f6d2d389fef00162e2960c8f6

SHA1
1568a39f7540a3899672ba4b11d2b17024c21ecb

SHA256
5b30914f3bb2dc4ad5fb605bc92dfc89a292020de515651ab404c29a25884f9d

SHA512
41ddbab2b05dd0771d6e89ce8362a41ec96f2c6846a1cba4a7fb1dbd65825e8966d74d196900a71a53e846d92c76382e19ed7abaaf169d7720badc5c20ebe5d8

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

MD5
8d2da64f6d2d389fef00162e2960c8f6

SHA1
1568a39f7540a3899672ba4b11d2b17024c21ecb

SHA256
5b30914f3bb2dc4ad5fb605bc92dfc89a292020de515651ab404c29a25884f9d

SHA512
41ddbab2b05dd0771d6e89ce8362a41ec96f2c6846a1cba4a7fb1dbd65825e8966d74d196900a71a53e846d92c76382e19ed7abaaf169d7720badc5c20ebe5d8

Download Submit
memory/1244-132-0x0000000000000000-mapping.dmp

Download
memory/1244-136-0x0000000075580000-0x0000000075B31000-memory.dmp

Filesize
5.7MB

Download
memory/1244-138-0x0000000075580000-0x0000000075B31000-memory.dmp

Filesize
5.7MB

Download
memory/2708-137-0x0000000000000000-mapping.dmp

Download
memory/4488-130-0x0000000075580000-0x0000000075B31000-memory.dmp

Filesize
5.7MB

Download
memory/4488-131-0x0000000075580000-0x0000000075B31000-memory.dmp

Filesize
5.7MB

Download
memory/4488-135-0x0000000075580000-0x0000000075B31000-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