njrat | 10ad1414ecb12a8124e67e6a8708347186e34ac7382adc683015a8b5f7403df6

General

Target

1764-56-0x0000000000990000-0x000000000099C000-memory.exe
Size

48KB
MD5

eb0765258076879bf5581ad974af3b5c
SHA1

2b3ad034b50b63e64570ba9b02fe90d2c554157a
SHA256

10ad1414ecb12a8124e67e6a8708347186e34ac7382adc683015a8b5f7403df6
SHA512

1651f90c320c7d2c514a63b2b8780fbb0e0fd275c3e0502bee2c78bf3541586637e6a01a620acc20d36b782631965d10da9f3943551aa0dc00c0a45f861b8bd7
SSDEEP

384:z+n2650N3qZbATcjRGC5Eo9D46BgnqUhay1ZmRvR6JZlbw8hqIusZzZhDty:Mm+71d5XRpcnuuc

Score

10^/10

njrat hacked evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

2.tcp.eu.ngrok.io:13002

Mutex

2806cdb1ef67986308064d5873a67ad7

Attributes

reg_key
2806cdb1ef67986308064d5873a67ad7
splitter
|'|'|

Signatures

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

Processes:

server.exe

pid process

4376 server.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

3384 netsh.exe

pid	process
4376	server.exe

pid	process
3384	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:

1764-56-0x0000000000990000-0x000000000099C000-memory.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	1764-56-0x0000000000990000-0x000000000099C000-memory.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\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\2806cdb1ef67986308064d5873a67ad7 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\2806cdb1ef67986308064d5873a67ad7 = "\"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 35 IoCs

Processes:

server.exe

description	pid	process
Token: SeDebugPrivilege	4376	server.exe
Token: 33	4376	server.exe
Token: SeIncBasePriorityPrivilege	4376	server.exe
Token: 33	4376	server.exe
Token: SeIncBasePriorityPrivilege	4376	server.exe
Token: 33	4376	server.exe
Token: SeIncBasePriorityPrivilege	4376	server.exe
Token: 33	4376	server.exe
Token: SeIncBasePriorityPrivilege	4376	server.exe
Token: 33	4376	server.exe
Token: SeIncBasePriorityPrivilege	4376	server.exe
Token: 33	4376	server.exe
Token: SeIncBasePriorityPrivilege	4376	server.exe
Token: 33	4376	server.exe
Token: SeIncBasePriorityPrivilege	4376	server.exe
Token: 33	4376	server.exe
Token: SeIncBasePriorityPrivilege	4376	server.exe
Token: 33	4376	server.exe
Token: SeIncBasePriorityPrivilege	4376	server.exe
Token: 33	4376	server.exe
Token: SeIncBasePriorityPrivilege	4376	server.exe
Token: 33	4376	server.exe
Token: SeIncBasePriorityPrivilege	4376	server.exe
Token: 33	4376	server.exe
Token: SeIncBasePriorityPrivilege	4376	server.exe
Token: 33	4376	server.exe
Token: SeIncBasePriorityPrivilege	4376	server.exe
Token: 33	4376	server.exe
Token: SeIncBasePriorityPrivilege	4376	server.exe
Token: 33	4376	server.exe
Token: SeIncBasePriorityPrivilege	4376	server.exe
Token: 33	4376	server.exe
Token: SeIncBasePriorityPrivilege	4376	server.exe
Token: 33	4376	server.exe
Token: SeIncBasePriorityPrivilege	4376	server.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

1764-56-0x0000000000990000-0x000000000099C000-memory.exeserver.exe

description	pid	process	target process
PID 3752 wrote to memory of 4376	3752	1764-56-0x0000000000990000-0x000000000099C000-memory.exe	server.exe
PID 3752 wrote to memory of 4376	3752	1764-56-0x0000000000990000-0x000000000099C000-memory.exe	server.exe
PID 3752 wrote to memory of 4376	3752	1764-56-0x0000000000990000-0x000000000099C000-memory.exe	server.exe
PID 4376 wrote to memory of 3384	4376	server.exe	netsh.exe
PID 4376 wrote to memory of 3384	4376	server.exe	netsh.exe
PID 4376 wrote to memory of 3384	4376	server.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\1764-56-0x0000000000990000-0x000000000099C000-memory.exe
"C:\Users\Admin\AppData\Local\Temp\1764-56-0x0000000000990000-0x000000000099C000-memory.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3752

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:4376

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:3384

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
48KB

MD5
eb0765258076879bf5581ad974af3b5c

SHA1
2b3ad034b50b63e64570ba9b02fe90d2c554157a

SHA256
10ad1414ecb12a8124e67e6a8708347186e34ac7382adc683015a8b5f7403df6

SHA512
1651f90c320c7d2c514a63b2b8780fbb0e0fd275c3e0502bee2c78bf3541586637e6a01a620acc20d36b782631965d10da9f3943551aa0dc00c0a45f861b8bd7

Download Submit
C:\Users\Admin\AppData\Local\Temp\server.exe
Filesize
48KB

MD5
eb0765258076879bf5581ad974af3b5c

SHA1
2b3ad034b50b63e64570ba9b02fe90d2c554157a

SHA256
10ad1414ecb12a8124e67e6a8708347186e34ac7382adc683015a8b5f7403df6

SHA512
1651f90c320c7d2c514a63b2b8780fbb0e0fd275c3e0502bee2c78bf3541586637e6a01a620acc20d36b782631965d10da9f3943551aa0dc00c0a45f861b8bd7

Download Submit
memory/3384-138-0x0000000000000000-mapping.dmp

Download
memory/3752-132-0x0000000074AC0000-0x0000000075071000-memory.dmp

Filesize
5.7MB

Download
memory/3752-136-0x0000000074AC0000-0x0000000075071000-memory.dmp

Filesize
5.7MB

Download
memory/4376-133-0x0000000000000000-mapping.dmp

Download
memory/4376-137-0x0000000074AC0000-0x0000000075071000-memory.dmp

Filesize
5.7MB

Download
memory/4376-139-0x0000000074AC0000-0x0000000075071000-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