njrat | 174127a775a7ca33233eaa8ccaf933b2730616f3e23526a3490b4d81d71272a9

General

Target

174127a775a7ca33233eaa8ccaf933b2730616f3e23526a3490b4d81d71272a9.exe
Size

100KB
MD5

fc2a69e1922ee228f16a5dddfba1298d
SHA1

55aa0a16732d4ba32e5b0ff503692a6126befec9
SHA256

174127a775a7ca33233eaa8ccaf933b2730616f3e23526a3490b4d81d71272a9
SHA512

d6a0d0a3ae682be4ba6a52a4dd1486752b97966763e31991630a6e9b18f1d341bf2931ad89094238606f1ddaf8b0d86919168d519371615461407c55818ca305
SSDEEP

3072:nZ1eeYsGDZs0ahktIvUcL895/R1C8li5E:nqvDZs0mksUcL891C8liy

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
1548	netsh.exe

Drops startup file 2 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\e39901175caaf4c72dac7c69c65309fa.exe	chrome.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\e39901175caaf4c72dac7c69c65309fa.exe	chrome.exe

Executes dropped EXE 1 IoCs

pid	Process
2996	chrome.exe

Loads dropped DLL 2 IoCs

pid	Process
2772	174127a775a7ca33233eaa8ccaf933b2730616f3e23526a3490b4d81d71272a9.exe
2772	174127a775a7ca33233eaa8ccaf933b2730616f3e23526a3490b4d81d71272a9.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-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\e39901175caaf4c72dac7c69c65309fa = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\chrome.exe\" .."	chrome.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\e39901175caaf4c72dac7c69c65309fa = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\chrome.exe\" .."	chrome.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\Microsoft.NET\Framework\v2.0.50727\config\security.config.cch.new	174127a775a7ca33233eaa8ccaf933b2730616f3e23526a3490b4d81d71272a9.exe
File created	C:\Windows\Microsoft.NET\Framework\v2.0.50727\config\enterprisesec.config.cch.new	174127a775a7ca33233eaa8ccaf933b2730616f3e23526a3490b4d81d71272a9.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	174127a775a7ca33233eaa8ccaf933b2730616f3e23526a3490b4d81d71272a9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chrome.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 32 IoCs

description	pid	Process
Token: SeDebugPrivilege	2772	174127a775a7ca33233eaa8ccaf933b2730616f3e23526a3490b4d81d71272a9.exe
Token: 33	2772	174127a775a7ca33233eaa8ccaf933b2730616f3e23526a3490b4d81d71272a9.exe
Token: SeIncBasePriorityPrivilege	2772	174127a775a7ca33233eaa8ccaf933b2730616f3e23526a3490b4d81d71272a9.exe
Token: SeDebugPrivilege	2996	chrome.exe
Token: 33	2996	chrome.exe
Token: SeIncBasePriorityPrivilege	2996	chrome.exe
Token: 33	2996	chrome.exe
Token: SeIncBasePriorityPrivilege	2996	chrome.exe
Token: 33	2996	chrome.exe
Token: SeIncBasePriorityPrivilege	2996	chrome.exe
Token: 33	2996	chrome.exe
Token: SeIncBasePriorityPrivilege	2996	chrome.exe
Token: 33	2996	chrome.exe
Token: SeIncBasePriorityPrivilege	2996	chrome.exe
Token: 33	2996	chrome.exe
Token: SeIncBasePriorityPrivilege	2996	chrome.exe
Token: 33	2996	chrome.exe
Token: SeIncBasePriorityPrivilege	2996	chrome.exe
Token: 33	2996	chrome.exe
Token: SeIncBasePriorityPrivilege	2996	chrome.exe
Token: 33	2996	chrome.exe
Token: SeIncBasePriorityPrivilege	2996	chrome.exe
Token: 33	2996	chrome.exe
Token: SeIncBasePriorityPrivilege	2996	chrome.exe
Token: 33	2996	chrome.exe
Token: SeIncBasePriorityPrivilege	2996	chrome.exe
Token: 33	2996	chrome.exe
Token: SeIncBasePriorityPrivilege	2996	chrome.exe
Token: 33	2996	chrome.exe
Token: SeIncBasePriorityPrivilege	2996	chrome.exe
Token: 33	2996	chrome.exe
Token: SeIncBasePriorityPrivilege	2996	chrome.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2772 wrote to memory of 2996	2772	174127a775a7ca33233eaa8ccaf933b2730616f3e23526a3490b4d81d71272a9.exe	30
PID 2772 wrote to memory of 2996	2772	174127a775a7ca33233eaa8ccaf933b2730616f3e23526a3490b4d81d71272a9.exe	30
PID 2772 wrote to memory of 2996	2772	174127a775a7ca33233eaa8ccaf933b2730616f3e23526a3490b4d81d71272a9.exe	30
PID 2772 wrote to memory of 2996	2772	174127a775a7ca33233eaa8ccaf933b2730616f3e23526a3490b4d81d71272a9.exe	30
PID 2996 wrote to memory of 1548	2996	chrome.exe	31
PID 2996 wrote to memory of 1548	2996	chrome.exe	31
PID 2996 wrote to memory of 1548	2996	chrome.exe	31
PID 2996 wrote to memory of 1548	2996	chrome.exe	31

C:\Users\Admin\AppData\Local\Temp\174127a775a7ca33233eaa8ccaf933b2730616f3e23526a3490b4d81d71272a9.exe
"C:\Users\Admin\AppData\Local\Temp\174127a775a7ca33233eaa8ccaf933b2730616f3e23526a3490b4d81d71272a9.exe"
1⤵
- Loads dropped DLL
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2772
- C:\Users\Admin\AppData\Local\Temp\chrome.exe
  "C:\Users\Admin\AppData\Local\Temp\chrome.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2996
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\chrome.exe" "chrome.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:1548

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 Information Discovery

1

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

\Users\Admin\AppData\Local\Temp\chrome.exe

Filesize
100KB

MD5
fc2a69e1922ee228f16a5dddfba1298d

SHA1
55aa0a16732d4ba32e5b0ff503692a6126befec9

SHA256
174127a775a7ca33233eaa8ccaf933b2730616f3e23526a3490b4d81d71272a9

SHA512
d6a0d0a3ae682be4ba6a52a4dd1486752b97966763e31991630a6e9b18f1d341bf2931ad89094238606f1ddaf8b0d86919168d519371615461407c55818ca305

Download Submit
memory/2772-0-0x0000000074701000-0x0000000074702000-memory.dmp

Filesize
4KB

Download
memory/2772-1-0x0000000074700000-0x0000000074CAB000-memory.dmp

Filesize
5.7MB

Download
memory/2772-2-0x0000000074700000-0x0000000074CAB000-memory.dmp

Filesize
5.7MB

Download
memory/2772-19-0x0000000074700000-0x0000000074CAB000-memory.dmp

Filesize
5.7MB

Download
memory/2772-22-0x0000000074700000-0x0000000074CAB000-memory.dmp

Filesize
5.7MB

Download
memory/2996-13-0x0000000074700000-0x0000000074CAB000-memory.dmp

Filesize
5.7MB

Download
memory/2996-16-0x0000000074700000-0x0000000074CAB000-memory.dmp

Filesize
5.7MB

Download
memory/2996-18-0x0000000074700000-0x0000000074CAB000-memory.dmp

Filesize
5.7MB

Download
memory/2996-17-0x0000000074700000-0x0000000074CAB000-memory.dmp

Filesize
5.7MB

Download
memory/2996-24-0x0000000074700000-0x0000000074CAB000-memory.dmp

Filesize
5.7MB

Download
memory/2996-25-0x0000000074700000-0x0000000074CAB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads