njrat | 5da8028e53e1c630af451ebff900b79fcaa76147365b24a21af0f1323cccef00

General

Target

5da8028e53e1c630af451ebff900b79fcaa76147365b24a21af0f1323cccef00.exe
Size

500KB
MD5

4e56204f8c6aa91a679c187e0c523b93
SHA1

0681c75c51df41888f2704e8acc2d9046cb8ea79
SHA256

5da8028e53e1c630af451ebff900b79fcaa76147365b24a21af0f1323cccef00
SHA512

72286f8440976b73b857a317a9f2db696e30df829dac68f6fa9f861c10bc07d1a164837ca37791a8e49a9fd291b62ca427ee86eed172ebbc2790c5b7f19d78e1
SSDEEP

6144:os/C8LWBALoYVqgoaQpa1TJJhbGM0/TqdGqJ4UWB95CmdA3VN1lVa:os7LWADXQpaTJON/TqZ+zzwVna

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
2544	netsh.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\1c071193a393bd32478dc180e73ee37c.exe	msi.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\1c071193a393bd32478dc180e73ee37c.exe	msi.exe

Executes dropped EXE 1 IoCs

pid	Process
2260	msi.exe

Adds Run key to start application 2 TTPs 6 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows\CurrentVersion\Run\1c071193a393bd32478dc180e73ee37c = "\"C:\\Windows\\msi.exe\" .."	msi.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\1c071193a393bd32478dc180e73ee37c = "\"C:\\Windows\\msi.exe\" .."	msi.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows\CurrentVersion\Run\18.exe = "C:\\Users\\Admin\\AppData\\RoamingMicrosoft\\System\\Services\\18.exe"	5da8028e53e1c630af451ebff900b79fcaa76147365b24a21af0f1323cccef00.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\18.exe = "C:\\Users\\Admin\\AppData\\RoamingMicrosoft\\System\\Services\\18.exe"	5da8028e53e1c630af451ebff900b79fcaa76147365b24a21af0f1323cccef00.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows\CurrentVersion\Run\18.exe = "C:\\Users\\Admin\\AppData\\RoamingMicrosoft\\System\\Services\\18.exe"	msi.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\18.exe = "C:\\Users\\Admin\\AppData\\RoamingMicrosoft\\System\\Services\\18.exe"	msi.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\msi.exe	5da8028e53e1c630af451ebff900b79fcaa76147365b24a21af0f1323cccef00.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	5da8028e53e1c630af451ebff900b79fcaa76147365b24a21af0f1323cccef00.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msi.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 27 IoCs

description	pid	Process
Token: SeDebugPrivilege	2260	msi.exe
Token: 33	2260	msi.exe
Token: SeIncBasePriorityPrivilege	2260	msi.exe
Token: 33	2260	msi.exe
Token: SeIncBasePriorityPrivilege	2260	msi.exe
Token: 33	2260	msi.exe
Token: SeIncBasePriorityPrivilege	2260	msi.exe
Token: 33	2260	msi.exe
Token: SeIncBasePriorityPrivilege	2260	msi.exe
Token: 33	2260	msi.exe
Token: SeIncBasePriorityPrivilege	2260	msi.exe
Token: 33	2260	msi.exe
Token: SeIncBasePriorityPrivilege	2260	msi.exe
Token: 33	2260	msi.exe
Token: SeIncBasePriorityPrivilege	2260	msi.exe
Token: 33	2260	msi.exe
Token: SeIncBasePriorityPrivilege	2260	msi.exe
Token: 33	2260	msi.exe
Token: SeIncBasePriorityPrivilege	2260	msi.exe
Token: 33	2260	msi.exe
Token: SeIncBasePriorityPrivilege	2260	msi.exe
Token: 33	2260	msi.exe
Token: SeIncBasePriorityPrivilege	2260	msi.exe
Token: 33	2260	msi.exe
Token: SeIncBasePriorityPrivilege	2260	msi.exe
Token: 33	2260	msi.exe
Token: SeIncBasePriorityPrivilege	2260	msi.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1596 wrote to memory of 2260	1596	5da8028e53e1c630af451ebff900b79fcaa76147365b24a21af0f1323cccef00.exe	28
PID 1596 wrote to memory of 2260	1596	5da8028e53e1c630af451ebff900b79fcaa76147365b24a21af0f1323cccef00.exe	28
PID 1596 wrote to memory of 2260	1596	5da8028e53e1c630af451ebff900b79fcaa76147365b24a21af0f1323cccef00.exe	28
PID 1596 wrote to memory of 2260	1596	5da8028e53e1c630af451ebff900b79fcaa76147365b24a21af0f1323cccef00.exe	28
PID 2260 wrote to memory of 2544	2260	msi.exe	29
PID 2260 wrote to memory of 2544	2260	msi.exe	29
PID 2260 wrote to memory of 2544	2260	msi.exe	29
PID 2260 wrote to memory of 2544	2260	msi.exe	29

C:\Users\Admin\AppData\Local\Temp\5da8028e53e1c630af451ebff900b79fcaa76147365b24a21af0f1323cccef00.exe
"C:\Users\Admin\AppData\Local\Temp\5da8028e53e1c630af451ebff900b79fcaa76147365b24a21af0f1323cccef00.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1596
- C:\Windows\msi.exe
  "C:\Windows\msi.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:2260
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Windows\msi.exe" "msi.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:2544

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

C:\Windows\msi.exe

Filesize
500KB

MD5
4e56204f8c6aa91a679c187e0c523b93

SHA1
0681c75c51df41888f2704e8acc2d9046cb8ea79

SHA256
5da8028e53e1c630af451ebff900b79fcaa76147365b24a21af0f1323cccef00

SHA512
72286f8440976b73b857a317a9f2db696e30df829dac68f6fa9f861c10bc07d1a164837ca37791a8e49a9fd291b62ca427ee86eed172ebbc2790c5b7f19d78e1

Download Submit
memory/1596-0-0x0000000074311000-0x0000000074312000-memory.dmp

Filesize
4KB

Download
memory/1596-1-0x0000000074310000-0x00000000748BB000-memory.dmp

Filesize
5.7MB

Download
memory/1596-2-0x0000000074310000-0x00000000748BB000-memory.dmp

Filesize
5.7MB

Download
memory/1596-12-0x0000000074310000-0x00000000748BB000-memory.dmp

Filesize
5.7MB

Download
memory/1596-14-0x0000000074310000-0x00000000748BB000-memory.dmp

Filesize
5.7MB

Download
memory/2260-13-0x0000000074310000-0x00000000748BB000-memory.dmp

Filesize
5.7MB

Download
memory/2260-15-0x0000000074310000-0x00000000748BB000-memory.dmp

Filesize
5.7MB

Download
memory/2260-16-0x0000000074310000-0x00000000748BB000-memory.dmp

Filesize
5.7MB

Download
memory/2260-18-0x0000000074310000-0x00000000748BB000-memory.dmp

Filesize
5.7MB

Download
memory/2260-19-0x0000000074310000-0x00000000748BB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads