njrat | 5b73ae2b309d1e3b6fabf3b13ac40bffc98305ed913f82dfa289168349e172f5

Analysis

max time kernel
149s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
28-10-2024 06:32

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General

Target

injector.exe
Size

23KB
MD5

ff4902f16059a26def102ca9fb3d56b9
SHA1

a35c90684f8b78a7ccc157f3b7baeb1644ccf24c
SHA256

5b73ae2b309d1e3b6fabf3b13ac40bffc98305ed913f82dfa289168349e172f5
SHA512

60b5322d63db2eccffb6607456ec2bd640ad075824f1f0e836d6f7b9b193fb7aa1a438b0ea3c047e6a2051c817a0c6692969b285d1e0613b8878ef7adc2007fc
SSDEEP

384:1c68yCasVKDh3OQyNpsQ1im/VjJs+PyR46vg5J++p57nhmRvR6JZlbw8hqIusZzo:Z873Kt+QesGN/VjZPQRpcnu0s

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
2680	netsh.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\6893e0ba5de0cb77466c584d3323a32d.exe	injector.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\6893e0ba5de0cb77466c584d3323a32d.exe	injector.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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\6893e0ba5de0cb77466c584d3323a32d = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\injector.exe\" .."	injector.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\6893e0ba5de0cb77466c584d3323a32d = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\injector.exe\" .."	injector.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	injector.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 37 IoCs

description	pid	Process
Token: SeDebugPrivilege	2628	injector.exe
Token: 33	2628	injector.exe
Token: SeIncBasePriorityPrivilege	2628	injector.exe
Token: 33	2628	injector.exe
Token: SeIncBasePriorityPrivilege	2628	injector.exe
Token: 33	2628	injector.exe
Token: SeIncBasePriorityPrivilege	2628	injector.exe
Token: 33	2628	injector.exe
Token: SeIncBasePriorityPrivilege	2628	injector.exe
Token: 33	2628	injector.exe
Token: SeIncBasePriorityPrivilege	2628	injector.exe
Token: 33	2628	injector.exe
Token: SeIncBasePriorityPrivilege	2628	injector.exe
Token: 33	2628	injector.exe
Token: SeIncBasePriorityPrivilege	2628	injector.exe
Token: 33	2628	injector.exe
Token: SeIncBasePriorityPrivilege	2628	injector.exe
Token: 33	2628	injector.exe
Token: SeIncBasePriorityPrivilege	2628	injector.exe
Token: 33	2628	injector.exe
Token: SeIncBasePriorityPrivilege	2628	injector.exe
Token: 33	2628	injector.exe
Token: SeIncBasePriorityPrivilege	2628	injector.exe
Token: 33	2628	injector.exe
Token: SeIncBasePriorityPrivilege	2628	injector.exe
Token: 33	2628	injector.exe
Token: SeIncBasePriorityPrivilege	2628	injector.exe
Token: 33	2628	injector.exe
Token: SeIncBasePriorityPrivilege	2628	injector.exe
Token: 33	2628	injector.exe
Token: SeIncBasePriorityPrivilege	2628	injector.exe
Token: 33	2628	injector.exe
Token: SeIncBasePriorityPrivilege	2628	injector.exe
Token: 33	2628	injector.exe
Token: SeIncBasePriorityPrivilege	2628	injector.exe
Token: 33	2628	injector.exe
Token: SeIncBasePriorityPrivilege	2628	injector.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2628 wrote to memory of 2680	2628	injector.exe	30
PID 2628 wrote to memory of 2680	2628	injector.exe	30
PID 2628 wrote to memory of 2680	2628	injector.exe	30
PID 2628 wrote to memory of 2680	2628	injector.exe	30

C:\Users\Admin\AppData\Local\Temp\injector.exe
"C:\Users\Admin\AppData\Local\Temp\injector.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:2628
- C:\Windows\SysWOW64\netsh.exe
  netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\injector.exe" "injector.exe" ENABLE
  2⤵
  - Modifies Windows Firewall
  - Event Triggered Execution: Netsh Helper DLL
  - System Location Discovery: System Language Discovery
  PID:2680

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2628-0-0x0000000074CA1000-0x0000000074CA2000-memory.dmp

Filesize
4KB

Download
memory/2628-1-0x0000000074CA0000-0x000000007524B000-memory.dmp

Filesize
5.7MB

Download
memory/2628-2-0x0000000074CA0000-0x000000007524B000-memory.dmp

Filesize
5.7MB

Download
memory/2628-4-0x0000000074CA0000-0x000000007524B000-memory.dmp

Filesize
5.7MB

Download
memory/2628-5-0x0000000074CA0000-0x000000007524B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads