njrat | f8b23a264f58e9001e087af2bf48eed5938db31b5b1b20d973575cfa6a121355

General

Target

f8b23a264f58e9001e087af2bf48eed5938db31b5b1b20d973575cfa6a121355.exe
Size

23KB
MD5

2697c90051b724a80526c5b8b47e5df4
SHA1

749d44fe2640504f15e9bf7b697f1017c8c2637d
SHA256

f8b23a264f58e9001e087af2bf48eed5938db31b5b1b20d973575cfa6a121355
SHA512

d0c8d76699f2f88d76eeaf211e59a780969b7692b513495a34013af8380d3fe0616caf03c6e47b8e7721d2f0a369c1dd20860b755b7d607783a99080c5f5315b
SSDEEP

384:V8aSyS9gB3Y1KIay2X8cLZI6XgxsGJVPpmRvR6JZlbw8hqIusZzZDU:G589tXvRpcnuj

Score

10^/10

njrat discovery evasion persistence privilege_escalation trojan

Malware Config

Signatures

Njrat family
njrat
njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat

Modifies Windows Firewall 2 TTPs 1 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
5032	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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	f8b23a264f58e9001e087af2bf48eed5938db31b5b1b20d973575cfa6a121355.exe

Executes dropped EXE 1 IoCs

pid	Process
3244	svchost.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

persistence privilege_escalation

Netsh Helper DLL

T1546.007

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f8b23a264f58e9001e087af2bf48eed5938db31b5b1b20d973575cfa6a121355.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	3244	svchost.exe
Token: 33	3244	svchost.exe
Token: SeIncBasePriorityPrivilege	3244	svchost.exe
Token: 33	3244	svchost.exe
Token: SeIncBasePriorityPrivilege	3244	svchost.exe
Token: 33	3244	svchost.exe
Token: SeIncBasePriorityPrivilege	3244	svchost.exe
Token: 33	3244	svchost.exe
Token: SeIncBasePriorityPrivilege	3244	svchost.exe
Token: 33	3244	svchost.exe
Token: SeIncBasePriorityPrivilege	3244	svchost.exe
Token: 33	3244	svchost.exe
Token: SeIncBasePriorityPrivilege	3244	svchost.exe
Token: 33	3244	svchost.exe
Token: SeIncBasePriorityPrivilege	3244	svchost.exe
Token: 33	3244	svchost.exe
Token: SeIncBasePriorityPrivilege	3244	svchost.exe
Token: 33	3244	svchost.exe
Token: SeIncBasePriorityPrivilege	3244	svchost.exe
Token: 33	3244	svchost.exe
Token: SeIncBasePriorityPrivilege	3244	svchost.exe
Token: 33	3244	svchost.exe
Token: SeIncBasePriorityPrivilege	3244	svchost.exe
Token: 33	3244	svchost.exe
Token: SeIncBasePriorityPrivilege	3244	svchost.exe
Token: 33	3244	svchost.exe
Token: SeIncBasePriorityPrivilege	3244	svchost.exe
Token: 33	3244	svchost.exe
Token: SeIncBasePriorityPrivilege	3244	svchost.exe
Token: 33	3244	svchost.exe
Token: SeIncBasePriorityPrivilege	3244	svchost.exe
Token: 33	3244	svchost.exe
Token: SeIncBasePriorityPrivilege	3244	svchost.exe
Token: 33	3244	svchost.exe
Token: SeIncBasePriorityPrivilege	3244	svchost.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3272 wrote to memory of 3244	3272	f8b23a264f58e9001e087af2bf48eed5938db31b5b1b20d973575cfa6a121355.exe	90
PID 3272 wrote to memory of 3244	3272	f8b23a264f58e9001e087af2bf48eed5938db31b5b1b20d973575cfa6a121355.exe	90
PID 3272 wrote to memory of 3244	3272	f8b23a264f58e9001e087af2bf48eed5938db31b5b1b20d973575cfa6a121355.exe	90
PID 3244 wrote to memory of 5032	3244	svchost.exe	97
PID 3244 wrote to memory of 5032	3244	svchost.exe	97
PID 3244 wrote to memory of 5032	3244	svchost.exe	97

C:\Users\Admin\AppData\Local\Temp\f8b23a264f58e9001e087af2bf48eed5938db31b5b1b20d973575cfa6a121355.exe
"C:\Users\Admin\AppData\Local\Temp\f8b23a264f58e9001e087af2bf48eed5938db31b5b1b20d973575cfa6a121355.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3272
- C:\Users\Admin\AppData\Roaming\svchost.exe
  "C:\Users\Admin\AppData\Roaming\svchost.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3244
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\svchost.exe" "svchost.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:5032

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Privilege Escalation

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Defense Evasion

Impair Defenses

1

T1562

Disable or Modify System Firewall

1

T1562.004

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\svchost.exe

Filesize
23KB

MD5
2697c90051b724a80526c5b8b47e5df4

SHA1
749d44fe2640504f15e9bf7b697f1017c8c2637d

SHA256
f8b23a264f58e9001e087af2bf48eed5938db31b5b1b20d973575cfa6a121355

SHA512
d0c8d76699f2f88d76eeaf211e59a780969b7692b513495a34013af8380d3fe0616caf03c6e47b8e7721d2f0a369c1dd20860b755b7d607783a99080c5f5315b

Download Submit
memory/3244-12-0x0000000075150000-0x0000000075701000-memory.dmp

Filesize
5.7MB

Download
memory/3244-14-0x0000000075150000-0x0000000075701000-memory.dmp

Filesize
5.7MB

Download
memory/3244-15-0x0000000075150000-0x0000000075701000-memory.dmp

Filesize
5.7MB

Download
memory/3272-0-0x0000000075152000-0x0000000075153000-memory.dmp

Filesize
4KB

Download
memory/3272-1-0x0000000075150000-0x0000000075701000-memory.dmp

Filesize
5.7MB

Download
memory/3272-2-0x0000000075150000-0x0000000075701000-memory.dmp

Filesize
5.7MB

Download
memory/3272-13-0x0000000075150000-0x0000000075701000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads