njrat | 333c782608c3143451accf3c17bffd47e0f10ad20c0fda104114a6be7a05f6d3

General

Target

333c782608c3143451accf3c17bffd47e0f10ad20c0fda104114a6be7a05f6d3.exe
Size

100KB
MD5

8e716f28077975a475e6641f61cfa07e
SHA1

11c7420f055f0c31457f2350724915c5f9e4e605
SHA256

333c782608c3143451accf3c17bffd47e0f10ad20c0fda104114a6be7a05f6d3
SHA512

349b59951f92bcf87a5612231e01f29659705b78242f4fabae20acbce5ff2c2aa5b6842cc42cf9abfb8776f6e5e340471a1563c947774f4964a6cfd366066123
SSDEEP

3072:86IB+CLX3g0visO6/DWJ0cB7BTKJpkYHwR6wBX:86IBZ3g0v467WJ0cB7ekYHwHd

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
3900	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-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	333c782608c3143451accf3c17bffd47e0f10ad20c0fda104114a6be7a05f6d3.exe

Executes dropped EXE 1 IoCs

pid	Process
2564	server.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-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\f2f87facfb3b2890d763e0ef63e6f65f = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\f2f87facfb3b2890d763e0ef63e6f65f = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.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	333c782608c3143451accf3c17bffd47e0f10ad20c0fda104114a6be7a05f6d3.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	server.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 27 IoCs

description	pid	Process
Token: SeDebugPrivilege	2564	server.exe
Token: 33	2564	server.exe
Token: SeIncBasePriorityPrivilege	2564	server.exe
Token: 33	2564	server.exe
Token: SeIncBasePriorityPrivilege	2564	server.exe
Token: 33	2564	server.exe
Token: SeIncBasePriorityPrivilege	2564	server.exe
Token: 33	2564	server.exe
Token: SeIncBasePriorityPrivilege	2564	server.exe
Token: 33	2564	server.exe
Token: SeIncBasePriorityPrivilege	2564	server.exe
Token: 33	2564	server.exe
Token: SeIncBasePriorityPrivilege	2564	server.exe
Token: 33	2564	server.exe
Token: SeIncBasePriorityPrivilege	2564	server.exe
Token: 33	2564	server.exe
Token: SeIncBasePriorityPrivilege	2564	server.exe
Token: 33	2564	server.exe
Token: SeIncBasePriorityPrivilege	2564	server.exe
Token: 33	2564	server.exe
Token: SeIncBasePriorityPrivilege	2564	server.exe
Token: 33	2564	server.exe
Token: SeIncBasePriorityPrivilege	2564	server.exe
Token: 33	2564	server.exe
Token: SeIncBasePriorityPrivilege	2564	server.exe
Token: 33	2564	server.exe
Token: SeIncBasePriorityPrivilege	2564	server.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2780 wrote to memory of 2564	2780	333c782608c3143451accf3c17bffd47e0f10ad20c0fda104114a6be7a05f6d3.exe	96
PID 2780 wrote to memory of 2564	2780	333c782608c3143451accf3c17bffd47e0f10ad20c0fda104114a6be7a05f6d3.exe	96
PID 2780 wrote to memory of 2564	2780	333c782608c3143451accf3c17bffd47e0f10ad20c0fda104114a6be7a05f6d3.exe	96
PID 2564 wrote to memory of 3900	2564	server.exe	102
PID 2564 wrote to memory of 3900	2564	server.exe	102
PID 2564 wrote to memory of 3900	2564	server.exe	102

C:\Users\Admin\AppData\Local\Temp\333c782608c3143451accf3c17bffd47e0f10ad20c0fda104114a6be7a05f6d3.exe
"C:\Users\Admin\AppData\Local\Temp\333c782608c3143451accf3c17bffd47e0f10ad20c0fda104114a6be7a05f6d3.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2780
- C:\Users\Admin\AppData\Local\Temp\server.exe
  "C:\Users\Admin\AppData\Local\Temp\server.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2564
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:3900

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

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\server.exe

Filesize
100KB

MD5
8e716f28077975a475e6641f61cfa07e

SHA1
11c7420f055f0c31457f2350724915c5f9e4e605

SHA256
333c782608c3143451accf3c17bffd47e0f10ad20c0fda104114a6be7a05f6d3

SHA512
349b59951f92bcf87a5612231e01f29659705b78242f4fabae20acbce5ff2c2aa5b6842cc42cf9abfb8776f6e5e340471a1563c947774f4964a6cfd366066123

Download Submit
memory/2564-23-0x0000000075390000-0x0000000075941000-memory.dmp

Filesize
5.7MB

Download
memory/2564-18-0x0000000075390000-0x0000000075941000-memory.dmp

Filesize
5.7MB

Download
memory/2564-26-0x0000000075390000-0x0000000075941000-memory.dmp

Filesize
5.7MB

Download
memory/2564-25-0x0000000075390000-0x0000000075941000-memory.dmp

Filesize
5.7MB

Download
memory/2564-20-0x0000000075390000-0x0000000075941000-memory.dmp

Filesize
5.7MB

Download
memory/2564-24-0x0000000075390000-0x0000000075941000-memory.dmp

Filesize
5.7MB

Download
memory/2564-19-0x0000000075390000-0x0000000075941000-memory.dmp

Filesize
5.7MB

Download
memory/2780-5-0x0000000075390000-0x0000000075941000-memory.dmp

Filesize
5.7MB

Download
memory/2780-22-0x0000000075390000-0x0000000075941000-memory.dmp

Filesize
5.7MB

Download
memory/2780-21-0x0000000075390000-0x0000000075941000-memory.dmp

Filesize
5.7MB

Download
memory/2780-2-0x0000000075390000-0x0000000075941000-memory.dmp

Filesize
5.7MB

Download
memory/2780-0-0x0000000075392000-0x0000000075393000-memory.dmp

Filesize
4KB

Download
memory/2780-1-0x0000000075390000-0x0000000075941000-memory.dmp

Filesize
5.7MB

Download
memory/2780-4-0x0000000075392000-0x0000000075393000-memory.dmp

Filesize
4KB

Download
memory/2780-3-0x0000000075390000-0x0000000075941000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads