njrat | 539c30c4e7235d64fd756efb20269392c66c63cb295d8c7a2349befd10974d20

General

Target

539c30c4e7235d64fd756efb20269392c66c63cb295d8c7a2349befd10974d20N.exe
Size

23KB
MD5

22f91e626d0fe5a846faa521ee222760
SHA1

6e32cc6a1e766666e1d6a0b2ccc934546586afe5
SHA256

539c30c4e7235d64fd756efb20269392c66c63cb295d8c7a2349befd10974d20
SHA512

89c377af07431696b8903d2ed698c5a6a29ee16f5d2a385659f804fa39c97d6516da96a463dc3ac84eb22a1fcbfebea95d0950b31a4b48bb358b80470be0886a
SSDEEP

384:68aZYC9twBNdcvFaly2H0dbJo6HghcASEJqc/ZmRvR6JZlbw8hqIusZzZM+:kY+sNKqNHnSdRpcnu4

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
2316	netsh.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\88a4b49c2c04ad4a3eef175140304af8.exe	539c30c4e7235d64fd756efb20269392c66c63cb295d8c7a2349befd10974d20N.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\88a4b49c2c04ad4a3eef175140304af8.exe	539c30c4e7235d64fd756efb20269392c66c63cb295d8c7a2349befd10974d20N.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-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\88a4b49c2c04ad4a3eef175140304af8 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\539c30c4e7235d64fd756efb20269392c66c63cb295d8c7a2349befd10974d20N.exe\" .."	539c30c4e7235d64fd756efb20269392c66c63cb295d8c7a2349befd10974d20N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\88a4b49c2c04ad4a3eef175140304af8 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\539c30c4e7235d64fd756efb20269392c66c63cb295d8c7a2349befd10974d20N.exe\" .."	539c30c4e7235d64fd756efb20269392c66c63cb295d8c7a2349befd10974d20N.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	539c30c4e7235d64fd756efb20269392c66c63cb295d8c7a2349befd10974d20N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 29 IoCs

description	pid	Process
Token: SeDebugPrivilege	1728	539c30c4e7235d64fd756efb20269392c66c63cb295d8c7a2349befd10974d20N.exe
Token: 33	1728	539c30c4e7235d64fd756efb20269392c66c63cb295d8c7a2349befd10974d20N.exe
Token: SeIncBasePriorityPrivilege	1728	539c30c4e7235d64fd756efb20269392c66c63cb295d8c7a2349befd10974d20N.exe
Token: 33	1728	539c30c4e7235d64fd756efb20269392c66c63cb295d8c7a2349befd10974d20N.exe
Token: SeIncBasePriorityPrivilege	1728	539c30c4e7235d64fd756efb20269392c66c63cb295d8c7a2349befd10974d20N.exe
Token: 33	1728	539c30c4e7235d64fd756efb20269392c66c63cb295d8c7a2349befd10974d20N.exe
Token: SeIncBasePriorityPrivilege	1728	539c30c4e7235d64fd756efb20269392c66c63cb295d8c7a2349befd10974d20N.exe
Token: 33	1728	539c30c4e7235d64fd756efb20269392c66c63cb295d8c7a2349befd10974d20N.exe
Token: SeIncBasePriorityPrivilege	1728	539c30c4e7235d64fd756efb20269392c66c63cb295d8c7a2349befd10974d20N.exe
Token: 33	1728	539c30c4e7235d64fd756efb20269392c66c63cb295d8c7a2349befd10974d20N.exe
Token: SeIncBasePriorityPrivilege	1728	539c30c4e7235d64fd756efb20269392c66c63cb295d8c7a2349befd10974d20N.exe
Token: 33	1728	539c30c4e7235d64fd756efb20269392c66c63cb295d8c7a2349befd10974d20N.exe
Token: SeIncBasePriorityPrivilege	1728	539c30c4e7235d64fd756efb20269392c66c63cb295d8c7a2349befd10974d20N.exe
Token: 33	1728	539c30c4e7235d64fd756efb20269392c66c63cb295d8c7a2349befd10974d20N.exe
Token: SeIncBasePriorityPrivilege	1728	539c30c4e7235d64fd756efb20269392c66c63cb295d8c7a2349befd10974d20N.exe
Token: 33	1728	539c30c4e7235d64fd756efb20269392c66c63cb295d8c7a2349befd10974d20N.exe
Token: SeIncBasePriorityPrivilege	1728	539c30c4e7235d64fd756efb20269392c66c63cb295d8c7a2349befd10974d20N.exe
Token: 33	1728	539c30c4e7235d64fd756efb20269392c66c63cb295d8c7a2349befd10974d20N.exe
Token: SeIncBasePriorityPrivilege	1728	539c30c4e7235d64fd756efb20269392c66c63cb295d8c7a2349befd10974d20N.exe
Token: 33	1728	539c30c4e7235d64fd756efb20269392c66c63cb295d8c7a2349befd10974d20N.exe
Token: SeIncBasePriorityPrivilege	1728	539c30c4e7235d64fd756efb20269392c66c63cb295d8c7a2349befd10974d20N.exe
Token: 33	1728	539c30c4e7235d64fd756efb20269392c66c63cb295d8c7a2349befd10974d20N.exe
Token: SeIncBasePriorityPrivilege	1728	539c30c4e7235d64fd756efb20269392c66c63cb295d8c7a2349befd10974d20N.exe
Token: 33	1728	539c30c4e7235d64fd756efb20269392c66c63cb295d8c7a2349befd10974d20N.exe
Token: SeIncBasePriorityPrivilege	1728	539c30c4e7235d64fd756efb20269392c66c63cb295d8c7a2349befd10974d20N.exe
Token: 33	1728	539c30c4e7235d64fd756efb20269392c66c63cb295d8c7a2349befd10974d20N.exe
Token: SeIncBasePriorityPrivilege	1728	539c30c4e7235d64fd756efb20269392c66c63cb295d8c7a2349befd10974d20N.exe
Token: 33	1728	539c30c4e7235d64fd756efb20269392c66c63cb295d8c7a2349befd10974d20N.exe
Token: SeIncBasePriorityPrivilege	1728	539c30c4e7235d64fd756efb20269392c66c63cb295d8c7a2349befd10974d20N.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1728 wrote to memory of 2316	1728	539c30c4e7235d64fd756efb20269392c66c63cb295d8c7a2349befd10974d20N.exe	30
PID 1728 wrote to memory of 2316	1728	539c30c4e7235d64fd756efb20269392c66c63cb295d8c7a2349befd10974d20N.exe	30
PID 1728 wrote to memory of 2316	1728	539c30c4e7235d64fd756efb20269392c66c63cb295d8c7a2349befd10974d20N.exe	30
PID 1728 wrote to memory of 2316	1728	539c30c4e7235d64fd756efb20269392c66c63cb295d8c7a2349befd10974d20N.exe	30

C:\Users\Admin\AppData\Local\Temp\539c30c4e7235d64fd756efb20269392c66c63cb295d8c7a2349befd10974d20N.exe
"C:\Users\Admin\AppData\Local\Temp\539c30c4e7235d64fd756efb20269392c66c63cb295d8c7a2349befd10974d20N.exe"
1⤵
- Drops startup file
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1728
- C:\Windows\SysWOW64\netsh.exe
  netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\539c30c4e7235d64fd756efb20269392c66c63cb295d8c7a2349befd10974d20N.exe" "539c30c4e7235d64fd756efb20269392c66c63cb295d8c7a2349befd10974d20N.exe" ENABLE
  2⤵
  - Modifies Windows Firewall
  - Event Triggered Execution: Netsh Helper DLL
  - System Location Discovery: System Language Discovery
  PID:2316

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/1728-0-0x0000000074601000-0x0000000074602000-memory.dmp

Filesize
4KB

Download
memory/1728-1-0x0000000074600000-0x0000000074BAB000-memory.dmp

Filesize
5.7MB

Download
memory/1728-2-0x0000000074600000-0x0000000074BAB000-memory.dmp

Filesize
5.7MB

Download
memory/1728-4-0x0000000074600000-0x0000000074BAB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads