njrat | c6c88e272418531723ae53131975349a647112066a29b20566653e06dca6126c

General

Target

Client.exe
Size

31KB
MD5

323cd2c2fe2d5ccbce77e3c0690e6c86
SHA1

5bdac9cc8a576837673704c2b1b1110a5c8a584f
SHA256

c6c88e272418531723ae53131975349a647112066a29b20566653e06dca6126c
SHA512

213c50dfb282e13f86842105cfbdcbe450f5f7773bdb9d25e798177f4dba52196f1da01ddf859fd091a752ee26d320cc0976a3089b20ce59723e96134c8fcfc3
SSDEEP

768:BzorDp8pdvXyzx9uFwna/5nW3TvanQmIDUu0tiE1j:yw68nQbkQVk5j

Score

10^/10

njrat discovery evasion persistence privilege_escalation trojan

Malware Config

Signatures

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
4624	netsh.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\5fc24bd1ac9d86ed812b76d46107bdc4 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Client.exe\" .."	Client.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\5fc24bd1ac9d86ed812b76d46107bdc4 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Client.exe\" .."	Client.exe

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 2 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	Client.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	1552	Client.exe
Token: 33	1552	Client.exe
Token: SeIncBasePriorityPrivilege	1552	Client.exe
Token: 33	1552	Client.exe
Token: SeIncBasePriorityPrivilege	1552	Client.exe
Token: 33	1552	Client.exe
Token: SeIncBasePriorityPrivilege	1552	Client.exe
Token: 33	1552	Client.exe
Token: SeIncBasePriorityPrivilege	1552	Client.exe
Token: 33	1552	Client.exe
Token: SeIncBasePriorityPrivilege	1552	Client.exe
Token: 33	1552	Client.exe
Token: SeIncBasePriorityPrivilege	1552	Client.exe
Token: 33	1552	Client.exe
Token: SeIncBasePriorityPrivilege	1552	Client.exe
Token: 33	1552	Client.exe
Token: SeIncBasePriorityPrivilege	1552	Client.exe
Token: 33	1552	Client.exe
Token: SeIncBasePriorityPrivilege	1552	Client.exe
Token: 33	1552	Client.exe
Token: SeIncBasePriorityPrivilege	1552	Client.exe
Token: 33	1552	Client.exe
Token: SeIncBasePriorityPrivilege	1552	Client.exe
Token: 33	1552	Client.exe
Token: SeIncBasePriorityPrivilege	1552	Client.exe
Token: 33	1552	Client.exe
Token: SeIncBasePriorityPrivilege	1552	Client.exe
Token: 33	1552	Client.exe
Token: SeIncBasePriorityPrivilege	1552	Client.exe
Token: 33	1552	Client.exe
Token: SeIncBasePriorityPrivilege	1552	Client.exe
Token: 33	1552	Client.exe
Token: SeIncBasePriorityPrivilege	1552	Client.exe
Token: 33	1552	Client.exe
Token: SeIncBasePriorityPrivilege	1552	Client.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1552 wrote to memory of 4624	1552	Client.exe	82
PID 1552 wrote to memory of 4624	1552	Client.exe	82
PID 1552 wrote to memory of 4624	1552	Client.exe	82

C:\Users\Admin\AppData\Local\Temp\Client.exe
"C:\Users\Admin\AppData\Local\Temp\Client.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1552
- C:\Windows\SysWOW64\netsh.exe
  netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Client.exe" "Client.exe" ENABLE
  2⤵
  - Modifies Windows Firewall
  - Event Triggered Execution: Netsh Helper DLL
  - System Location Discovery: System Language Discovery
  PID:4624

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

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

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

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

Modify Registry

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1552-0-0x0000000074F52000-0x0000000074F53000-memory.dmp

Filesize
4KB

Download
memory/1552-1-0x0000000074F50000-0x0000000075501000-memory.dmp

Filesize
5.7MB

Download
memory/1552-2-0x0000000074F50000-0x0000000075501000-memory.dmp

Filesize
5.7MB

Download
memory/1552-4-0x0000000074F50000-0x0000000075501000-memory.dmp

Filesize
5.7MB

Download
memory/1552-3-0x0000000074F52000-0x0000000074F53000-memory.dmp

Filesize
4KB

Download
memory/1552-5-0x0000000074F50000-0x0000000075501000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads