njrat | 5b73ae2b309d1e3b6fabf3b13ac40bffc98305ed913f82dfa289168349e172f5

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
4416	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\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\6893e0ba5de0cb77466c584d3323a32d = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\injector.exe\" .."	injector.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\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 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	3968	injector.exe
Token: 33	3968	injector.exe
Token: SeIncBasePriorityPrivilege	3968	injector.exe
Token: 33	3968	injector.exe
Token: SeIncBasePriorityPrivilege	3968	injector.exe
Token: 33	3968	injector.exe
Token: SeIncBasePriorityPrivilege	3968	injector.exe
Token: 33	3968	injector.exe
Token: SeIncBasePriorityPrivilege	3968	injector.exe
Token: 33	3968	injector.exe
Token: SeIncBasePriorityPrivilege	3968	injector.exe
Token: 33	3968	injector.exe
Token: SeIncBasePriorityPrivilege	3968	injector.exe
Token: 33	3968	injector.exe
Token: SeIncBasePriorityPrivilege	3968	injector.exe
Token: 33	3968	injector.exe
Token: SeIncBasePriorityPrivilege	3968	injector.exe
Token: 33	3968	injector.exe
Token: SeIncBasePriorityPrivilege	3968	injector.exe
Token: 33	3968	injector.exe
Token: SeIncBasePriorityPrivilege	3968	injector.exe
Token: 33	3968	injector.exe
Token: SeIncBasePriorityPrivilege	3968	injector.exe
Token: 33	3968	injector.exe
Token: SeIncBasePriorityPrivilege	3968	injector.exe
Token: 33	3968	injector.exe
Token: SeIncBasePriorityPrivilege	3968	injector.exe
Token: 33	3968	injector.exe
Token: SeIncBasePriorityPrivilege	3968	injector.exe
Token: 33	3968	injector.exe
Token: SeIncBasePriorityPrivilege	3968	injector.exe
Token: 33	3968	injector.exe
Token: SeIncBasePriorityPrivilege	3968	injector.exe
Token: 33	3968	injector.exe
Token: SeIncBasePriorityPrivilege	3968	injector.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3968 wrote to memory of 4416	3968	injector.exe	92
PID 3968 wrote to memory of 4416	3968	injector.exe	92
PID 3968 wrote to memory of 4416	3968	injector.exe	92

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:3968
- 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:4416

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/3968-0-0x0000000075012000-0x0000000075013000-memory.dmp

Filesize
4KB

Download
memory/3968-1-0x0000000075010000-0x00000000755C1000-memory.dmp

Filesize
5.7MB

Download
memory/3968-2-0x0000000075010000-0x00000000755C1000-memory.dmp

Filesize
5.7MB

Download
memory/3968-4-0x0000000075012000-0x0000000075013000-memory.dmp

Filesize
4KB

Download
memory/3968-5-0x0000000075010000-0x00000000755C1000-memory.dmp

Filesize
5.7MB

Download
memory/3968-6-0x0000000075010000-0x00000000755C1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads