njrat | 3d61696033dd72276e194be148c310a02667b8b1b7d99cb1bd5f9149b8ed1423

General

Target

3d61696033dd72276e194be148c310a02667b8b1b7d99cb1bd5f9149b8ed1423.exe
Size

49KB
MD5

048fcbdbbd1935b38920721aacb987c5
SHA1

9675d7d277136e1e3886d8e1834a83160d58c98f
SHA256

3d61696033dd72276e194be148c310a02667b8b1b7d99cb1bd5f9149b8ed1423
SHA512

5dc6d711723b3ce82e5e3976281bedabaf675a95c5ffed2832c8a27b18805583ef1b35c30341281921af66e5db99d0712c7cbfd011747fbf1142b5b9b2f1fa4b

Score

10^/10

njrat evasion persistence trojan

Malware Config

Signatures

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

Processes:

svchost.exe

pid process

2992 svchost.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

4336 netsh.exe

pid	process
2992	svchost.exe

pid	process
4336	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:

3d61696033dd72276e194be148c310a02667b8b1b7d99cb1bd5f9149b8ed1423.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\International\Geo\Nation	3d61696033dd72276e194be148c310a02667b8b1b7d99cb1bd5f9149b8ed1423.exe

Drops startup file 2 IoCs

Processes:

svchost.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\9497b2f678c5b04e6a415789d22b4c47.exe	svchost.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\9497b2f678c5b04e6a415789d22b4c47.exe	svchost.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

svchost.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\9497b2f678c5b04e6a415789d22b4c47 = "\"C:\\Windows\\svchost.exe\" .."	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\9497b2f678c5b04e6a415789d22b4c47 = "\"C:\\Windows\\svchost.exe\" .."	svchost.exe

Drops file in Windows directory 1 IoCs

Processes:

3d61696033dd72276e194be148c310a02667b8b1b7d99cb1bd5f9149b8ed1423.exe

description ioc process

File created C:\Windows\svchost.exe 3d61696033dd72276e194be148c310a02667b8b1b7d99cb1bd5f9149b8ed1423.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

description	ioc	process
File created	C:\Windows\svchost.exe	3d61696033dd72276e194be148c310a02667b8b1b7d99cb1bd5f9149b8ed1423.exe

Suspicious use of AdjustPrivilegeToken 15 IoCs

Processes:

svchost.exe

description	pid	process
Token: SeDebugPrivilege	2992	svchost.exe
Token: 33	2992	svchost.exe
Token: SeIncBasePriorityPrivilege	2992	svchost.exe
Token: 33	2992	svchost.exe
Token: SeIncBasePriorityPrivilege	2992	svchost.exe
Token: 33	2992	svchost.exe
Token: SeIncBasePriorityPrivilege	2992	svchost.exe
Token: 33	2992	svchost.exe
Token: SeIncBasePriorityPrivilege	2992	svchost.exe
Token: 33	2992	svchost.exe
Token: SeIncBasePriorityPrivilege	2992	svchost.exe
Token: 33	2992	svchost.exe
Token: SeIncBasePriorityPrivilege	2992	svchost.exe
Token: 33	2992	svchost.exe
Token: SeIncBasePriorityPrivilege	2992	svchost.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

3d61696033dd72276e194be148c310a02667b8b1b7d99cb1bd5f9149b8ed1423.exesvchost.exe

description	pid	process	target process
PID 1152 wrote to memory of 2992	1152	3d61696033dd72276e194be148c310a02667b8b1b7d99cb1bd5f9149b8ed1423.exe	svchost.exe
PID 1152 wrote to memory of 2992	1152	3d61696033dd72276e194be148c310a02667b8b1b7d99cb1bd5f9149b8ed1423.exe	svchost.exe
PID 1152 wrote to memory of 2992	1152	3d61696033dd72276e194be148c310a02667b8b1b7d99cb1bd5f9149b8ed1423.exe	svchost.exe
PID 2992 wrote to memory of 4336	2992	svchost.exe	netsh.exe
PID 2992 wrote to memory of 4336	2992	svchost.exe	netsh.exe
PID 2992 wrote to memory of 4336	2992	svchost.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\3d61696033dd72276e194be148c310a02667b8b1b7d99cb1bd5f9149b8ed1423.exe
"C:\Users\Admin\AppData\Local\Temp\3d61696033dd72276e194be148c310a02667b8b1b7d99cb1bd5f9149b8ed1423.exe"
1⤵
- Checks computer location settings
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1152

C:\Windows\svchost.exe
"C:\Windows\svchost.exe"
2⤵
- Executes dropped EXE
- Drops startup file
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2992

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Windows\svchost.exe" "svchost.exe" ENABLE
3⤵
- Modifies Windows Firewall
PID:4336

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:\Windows\svchost.exe
Filesize
49KB

MD5
048fcbdbbd1935b38920721aacb987c5

SHA1
9675d7d277136e1e3886d8e1834a83160d58c98f

SHA256
3d61696033dd72276e194be148c310a02667b8b1b7d99cb1bd5f9149b8ed1423

SHA512
5dc6d711723b3ce82e5e3976281bedabaf675a95c5ffed2832c8a27b18805583ef1b35c30341281921af66e5db99d0712c7cbfd011747fbf1142b5b9b2f1fa4b

Download Submit
C:\Windows\svchost.exe
Filesize
49KB

MD5
048fcbdbbd1935b38920721aacb987c5

SHA1
9675d7d277136e1e3886d8e1834a83160d58c98f

SHA256
3d61696033dd72276e194be148c310a02667b8b1b7d99cb1bd5f9149b8ed1423

SHA512
5dc6d711723b3ce82e5e3976281bedabaf675a95c5ffed2832c8a27b18805583ef1b35c30341281921af66e5db99d0712c7cbfd011747fbf1142b5b9b2f1fa4b

Download Submit
memory/1152-130-0x00000000752F0000-0x00000000758A1000-memory.dmp

Filesize
5.7MB

Download
memory/1152-134-0x00000000752F0000-0x00000000758A1000-memory.dmp

Filesize
5.7MB

Download
memory/2992-131-0x0000000000000000-mapping.dmp

Download
memory/2992-135-0x00000000752F0000-0x00000000758A1000-memory.dmp

Filesize
5.7MB

Download
memory/2992-137-0x00000000752F0000-0x00000000758A1000-memory.dmp

Filesize
5.7MB

Download
memory/4336-136-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads