njrat | 25c89c5c8c5c56fd1a5320cf172be911738b4b1387c9900a6046c3549f6dda24

General

Target

25c89c5c8c5c56fd1a5320cf172be911738b4b1387c9900a6046c3549f6dda24N.exe
Size

23KB
MD5

004c62b10973764a42726abfb4bb9d50
SHA1

eaff5879ce0012a6e0468c30dee2cc5a2a7fc909
SHA256

25c89c5c8c5c56fd1a5320cf172be911738b4b1387c9900a6046c3549f6dda24
SHA512

af7e6b9225068792b7b1ac5e8afcd8e5dacc3450fa6bd1d27214b9d07315bd5c75ff8d63c753e07525081be02c520a0bed91df7454acc3c65a428077ebdeb270
SSDEEP

384:1oWtkEwn65rgjAsGipk55D16xgXakhbZD0mRvR6JZlbw8hqIusZzZIS:67O89p2rRpcnuI

Score

10^/10

njrat hacked discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

10.10.1.11:5552

Mutex

7657c14284185fbd3fb108b43c7467ba

Attributes

reg_key
7657c14284185fbd3fb108b43c7467ba
splitter
|'|'|

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
2808	netsh.exe

Executes dropped EXE 1 IoCs

pid	Process
2092	server.exe

Loads dropped DLL 1 IoCs

pid	Process
3004	25c89c5c8c5c56fd1a5320cf172be911738b4b1387c9900a6046c3549f6dda24N.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-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\7657c14284185fbd3fb108b43c7467ba = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\7657c14284185fbd3fb108b43c7467ba = "\"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 value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key queried	\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	25c89c5c8c5c56fd1a5320cf172be911738b4b1387c9900a6046c3549f6dda24N.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	2092	server.exe
Token: 33	2092	server.exe
Token: SeIncBasePriorityPrivilege	2092	server.exe
Token: 33	2092	server.exe
Token: SeIncBasePriorityPrivilege	2092	server.exe
Token: 33	2092	server.exe
Token: SeIncBasePriorityPrivilege	2092	server.exe
Token: 33	2092	server.exe
Token: SeIncBasePriorityPrivilege	2092	server.exe
Token: 33	2092	server.exe
Token: SeIncBasePriorityPrivilege	2092	server.exe
Token: 33	2092	server.exe
Token: SeIncBasePriorityPrivilege	2092	server.exe
Token: 33	2092	server.exe
Token: SeIncBasePriorityPrivilege	2092	server.exe
Token: 33	2092	server.exe
Token: SeIncBasePriorityPrivilege	2092	server.exe
Token: 33	2092	server.exe
Token: SeIncBasePriorityPrivilege	2092	server.exe
Token: 33	2092	server.exe
Token: SeIncBasePriorityPrivilege	2092	server.exe
Token: 33	2092	server.exe
Token: SeIncBasePriorityPrivilege	2092	server.exe
Token: 33	2092	server.exe
Token: SeIncBasePriorityPrivilege	2092	server.exe
Token: 33	2092	server.exe
Token: SeIncBasePriorityPrivilege	2092	server.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3004 wrote to memory of 2092	3004	25c89c5c8c5c56fd1a5320cf172be911738b4b1387c9900a6046c3549f6dda24N.exe	30
PID 3004 wrote to memory of 2092	3004	25c89c5c8c5c56fd1a5320cf172be911738b4b1387c9900a6046c3549f6dda24N.exe	30
PID 3004 wrote to memory of 2092	3004	25c89c5c8c5c56fd1a5320cf172be911738b4b1387c9900a6046c3549f6dda24N.exe	30
PID 3004 wrote to memory of 2092	3004	25c89c5c8c5c56fd1a5320cf172be911738b4b1387c9900a6046c3549f6dda24N.exe	30
PID 2092 wrote to memory of 2808	2092	server.exe	32
PID 2092 wrote to memory of 2808	2092	server.exe	32
PID 2092 wrote to memory of 2808	2092	server.exe	32
PID 2092 wrote to memory of 2808	2092	server.exe	32

C:\Users\Admin\AppData\Local\Temp\25c89c5c8c5c56fd1a5320cf172be911738b4b1387c9900a6046c3549f6dda24N.exe
"C:\Users\Admin\AppData\Local\Temp\25c89c5c8c5c56fd1a5320cf172be911738b4b1387c9900a6046c3549f6dda24N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3004
- 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:2092
- - 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:2808

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

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
23KB

MD5
004c62b10973764a42726abfb4bb9d50

SHA1
eaff5879ce0012a6e0468c30dee2cc5a2a7fc909

SHA256
25c89c5c8c5c56fd1a5320cf172be911738b4b1387c9900a6046c3549f6dda24

SHA512
af7e6b9225068792b7b1ac5e8afcd8e5dacc3450fa6bd1d27214b9d07315bd5c75ff8d63c753e07525081be02c520a0bed91df7454acc3c65a428077ebdeb270

Download Submit
memory/2092-10-0x0000000074720000-0x0000000074CCB000-memory.dmp

Filesize
5.7MB

Download
memory/2092-11-0x0000000074720000-0x0000000074CCB000-memory.dmp

Filesize
5.7MB

Download
memory/2092-14-0x0000000074720000-0x0000000074CCB000-memory.dmp

Filesize
5.7MB

Download
memory/2092-15-0x0000000074720000-0x0000000074CCB000-memory.dmp

Filesize
5.7MB

Download
memory/3004-0-0x0000000074721000-0x0000000074722000-memory.dmp

Filesize
4KB

Download
memory/3004-1-0x0000000074720000-0x0000000074CCB000-memory.dmp

Filesize
5.7MB

Download
memory/3004-2-0x0000000074720000-0x0000000074CCB000-memory.dmp

Filesize
5.7MB

Download
memory/3004-12-0x0000000074720000-0x0000000074CCB000-memory.dmp

Filesize
5.7MB

Download
memory/3004-13-0x0000000074720000-0x0000000074CCB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads