njrat | 3016b73d983f1d79e2f66e15384558829ed16447b17b15236a15f02b9e461ff2

General

Target

3016b73d983f1d79e2f66e15384558829ed16447b17b15236a15f02b9e461ff2.exe
Size

182KB
MD5

c413ef6a9921f37a7766c736c02958a2
SHA1

a20883218ee4067ed97e762b4f1d693ce0e9c927
SHA256

3016b73d983f1d79e2f66e15384558829ed16447b17b15236a15f02b9e461ff2
SHA512

dadf781ecb5513f6b3d79fa14f4bfeace823e90ad8920e8b8f3d795334e272a929f18becabb7c6c88b7e2ff1f1212f2031c306edadc3ebeec960e5cbe627bad4
SSDEEP

1536:FvZiUkdJRWuBIu/R1jn9+OhU0D+1RamKcqkPAtk7jKyKPNjiD/FbprdIBS22bfUz:FhiUOJ0GjoO+0bm5rey2OdIBJiw

Score

10^/10

njrat hacked evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

mahamadhawrami11.ddns.net:1177

Mutex

3c85567a562aef333ed82feac3a2b02e

Attributes

reg_key
3c85567a562aef333ed82feac3a2b02e
splitter
|'|'|

Signatures

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

Processes:

internetfree.exe

pid process

992 internetfree.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

2880 netsh.exe

pid	process
992	internetfree.exe

pid	process
2880	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:

3016b73d983f1d79e2f66e15384558829ed16447b17b15236a15f02b9e461ff2.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation	3016b73d983f1d79e2f66e15384558829ed16447b17b15236a15f02b9e461ff2.exe

Drops startup file 2 IoCs

Processes:

internetfree.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\3c85567a562aef333ed82feac3a2b02e.exe	internetfree.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\3c85567a562aef333ed82feac3a2b02e.exe	internetfree.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

internetfree.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\3c85567a562aef333ed82feac3a2b02e = "\"C:\\Users\\Admin\\AppData\\Roaming\\internetfree.exe\" .."	internetfree.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\3c85567a562aef333ed82feac3a2b02e = "\"C:\\Users\\Admin\\AppData\\Roaming\\internetfree.exe\" .."	internetfree.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 21 IoCs

Processes:

internetfree.exe

description	pid	process
Token: SeDebugPrivilege	992	internetfree.exe
Token: 33	992	internetfree.exe
Token: SeIncBasePriorityPrivilege	992	internetfree.exe
Token: 33	992	internetfree.exe
Token: SeIncBasePriorityPrivilege	992	internetfree.exe
Token: 33	992	internetfree.exe
Token: SeIncBasePriorityPrivilege	992	internetfree.exe
Token: 33	992	internetfree.exe
Token: SeIncBasePriorityPrivilege	992	internetfree.exe
Token: 33	992	internetfree.exe
Token: SeIncBasePriorityPrivilege	992	internetfree.exe
Token: 33	992	internetfree.exe
Token: SeIncBasePriorityPrivilege	992	internetfree.exe
Token: 33	992	internetfree.exe
Token: SeIncBasePriorityPrivilege	992	internetfree.exe
Token: 33	992	internetfree.exe
Token: SeIncBasePriorityPrivilege	992	internetfree.exe
Token: 33	992	internetfree.exe
Token: SeIncBasePriorityPrivilege	992	internetfree.exe
Token: 33	992	internetfree.exe
Token: SeIncBasePriorityPrivilege	992	internetfree.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

3016b73d983f1d79e2f66e15384558829ed16447b17b15236a15f02b9e461ff2.exeinternetfree.exe

description	pid	process	target process
PID 4464 wrote to memory of 992	4464	3016b73d983f1d79e2f66e15384558829ed16447b17b15236a15f02b9e461ff2.exe	internetfree.exe
PID 4464 wrote to memory of 992	4464	3016b73d983f1d79e2f66e15384558829ed16447b17b15236a15f02b9e461ff2.exe	internetfree.exe
PID 4464 wrote to memory of 992	4464	3016b73d983f1d79e2f66e15384558829ed16447b17b15236a15f02b9e461ff2.exe	internetfree.exe
PID 992 wrote to memory of 2880	992	internetfree.exe	netsh.exe
PID 992 wrote to memory of 2880	992	internetfree.exe	netsh.exe
PID 992 wrote to memory of 2880	992	internetfree.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\3016b73d983f1d79e2f66e15384558829ed16447b17b15236a15f02b9e461ff2.exe
"C:\Users\Admin\AppData\Local\Temp\3016b73d983f1d79e2f66e15384558829ed16447b17b15236a15f02b9e461ff2.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4464

C:\Users\Admin\AppData\Roaming\internetfree.exe
"C:\Users\Admin\AppData\Roaming\internetfree.exe"
2⤵
- Executes dropped EXE
- Drops startup file
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:992

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\internetfree.exe" "internetfree.exe" ENABLE
3⤵
- Modifies Windows Firewall
PID:2880

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\internetfree.exe
Filesize
182KB

MD5
c413ef6a9921f37a7766c736c02958a2

SHA1
a20883218ee4067ed97e762b4f1d693ce0e9c927

SHA256
3016b73d983f1d79e2f66e15384558829ed16447b17b15236a15f02b9e461ff2

SHA512
dadf781ecb5513f6b3d79fa14f4bfeace823e90ad8920e8b8f3d795334e272a929f18becabb7c6c88b7e2ff1f1212f2031c306edadc3ebeec960e5cbe627bad4

Download Submit
C:\Users\Admin\AppData\Roaming\internetfree.exe
Filesize
182KB

MD5
c413ef6a9921f37a7766c736c02958a2

SHA1
a20883218ee4067ed97e762b4f1d693ce0e9c927

SHA256
3016b73d983f1d79e2f66e15384558829ed16447b17b15236a15f02b9e461ff2

SHA512
dadf781ecb5513f6b3d79fa14f4bfeace823e90ad8920e8b8f3d795334e272a929f18becabb7c6c88b7e2ff1f1212f2031c306edadc3ebeec960e5cbe627bad4

Download Submit
memory/992-134-0x0000000000000000-mapping.dmp

Download
memory/992-137-0x0000000074E50000-0x0000000075401000-memory.dmp

Filesize
5.7MB

Download
memory/992-139-0x0000000074E50000-0x0000000075401000-memory.dmp

Filesize
5.7MB

Download
memory/2880-140-0x0000000000000000-mapping.dmp

Download
memory/4464-132-0x0000000074E50000-0x0000000075401000-memory.dmp

Filesize
5.7MB

Download
memory/4464-133-0x0000000074E50000-0x0000000075401000-memory.dmp

Filesize
5.7MB

Download
memory/4464-138-0x0000000074E50000-0x0000000075401000-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