njrat | 9148b276a664acf793274acd6425623bfeafb3a5a671ca289c56f9136ed1bd90

General

Target

9148b276a664acf793274acd6425623bfeafb3a5a671ca289c56f9136ed1bd90.exe
Size

156KB
MD5

15350d048d796ddc6136778924b157a1
SHA1

35a7e56832aa3a95416e31097a08b8f38da8461f
SHA256

9148b276a664acf793274acd6425623bfeafb3a5a671ca289c56f9136ed1bd90
SHA512

24c2216a813ce21811ae32552840ab5856897ff3c120bc5b94ee6fda3e9ee6222126626637e5c9a89cfaeabcc4a124ea49bba3cbc1effbe0ae5e33750673fc39
SSDEEP

3072:1GE8RodzdbSNO4wmR34hP8naoAk3/zZMi0GFk+enoNRDuUlbH:1G3k+GojDuUlL

Score

10^/10

njrat hacked discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

emad1987.myq-see.com:3973

Mutex

5380bd110381d2960055cc04618dfc86

Attributes

reg_key
5380bd110381d2960055cc04618dfc86
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
2512	netsh.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	9148b276a664acf793274acd6425623bfeafb3a5a671ca289c56f9136ed1bd90.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\5380bd110381d2960055cc04618dfc86.exe	server.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\5380bd110381d2960055cc04618dfc86.exe	server.exe

Executes dropped EXE 1 IoCs

pid	Process
2912	server.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-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\5380bd110381d2960055cc04618dfc86 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\5380bd110381d2960055cc04618dfc86 = "\"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	9148b276a664acf793274acd6425623bfeafb3a5a671ca289c56f9136ed1bd90.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	2912	server.exe
Token: 33	2912	server.exe
Token: SeIncBasePriorityPrivilege	2912	server.exe
Token: 33	2912	server.exe
Token: SeIncBasePriorityPrivilege	2912	server.exe
Token: 33	2912	server.exe
Token: SeIncBasePriorityPrivilege	2912	server.exe
Token: 33	2912	server.exe
Token: SeIncBasePriorityPrivilege	2912	server.exe
Token: 33	2912	server.exe
Token: SeIncBasePriorityPrivilege	2912	server.exe
Token: 33	2912	server.exe
Token: SeIncBasePriorityPrivilege	2912	server.exe
Token: 33	2912	server.exe
Token: SeIncBasePriorityPrivilege	2912	server.exe
Token: 33	2912	server.exe
Token: SeIncBasePriorityPrivilege	2912	server.exe
Token: 33	2912	server.exe
Token: SeIncBasePriorityPrivilege	2912	server.exe
Token: 33	2912	server.exe
Token: SeIncBasePriorityPrivilege	2912	server.exe
Token: 33	2912	server.exe
Token: SeIncBasePriorityPrivilege	2912	server.exe
Token: 33	2912	server.exe
Token: SeIncBasePriorityPrivilege	2912	server.exe
Token: 33	2912	server.exe
Token: SeIncBasePriorityPrivilege	2912	server.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1408 wrote to memory of 2912	1408	9148b276a664acf793274acd6425623bfeafb3a5a671ca289c56f9136ed1bd90.exe	90
PID 1408 wrote to memory of 2912	1408	9148b276a664acf793274acd6425623bfeafb3a5a671ca289c56f9136ed1bd90.exe	90
PID 1408 wrote to memory of 2912	1408	9148b276a664acf793274acd6425623bfeafb3a5a671ca289c56f9136ed1bd90.exe	90
PID 2912 wrote to memory of 2512	2912	server.exe	98
PID 2912 wrote to memory of 2512	2912	server.exe	98
PID 2912 wrote to memory of 2512	2912	server.exe	98

C:\Users\Admin\AppData\Local\Temp\9148b276a664acf793274acd6425623bfeafb3a5a671ca289c56f9136ed1bd90.exe
"C:\Users\Admin\AppData\Local\Temp\9148b276a664acf793274acd6425623bfeafb3a5a671ca289c56f9136ed1bd90.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1408
- C:\Users\Admin\AppData\Local\Temp\server.exe
  "C:\Users\Admin\AppData\Local\Temp\server.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:2912
- - 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:2512

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

Query Registry

1

T1012

System Information Discovery

2

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

Filesize
156KB

MD5
15350d048d796ddc6136778924b157a1

SHA1
35a7e56832aa3a95416e31097a08b8f38da8461f

SHA256
9148b276a664acf793274acd6425623bfeafb3a5a671ca289c56f9136ed1bd90

SHA512
24c2216a813ce21811ae32552840ab5856897ff3c120bc5b94ee6fda3e9ee6222126626637e5c9a89cfaeabcc4a124ea49bba3cbc1effbe0ae5e33750673fc39

Download Submit
memory/1408-0-0x000000007474E000-0x000000007474F000-memory.dmp

Filesize
4KB

Download
memory/1408-1-0x0000000000120000-0x000000000014E000-memory.dmp

Filesize
184KB

Download
memory/1408-2-0x0000000004A30000-0x0000000004ACC000-memory.dmp

Filesize
624KB

Download
memory/1408-3-0x0000000002410000-0x000000000241C000-memory.dmp

Filesize
48KB

Download
memory/1408-4-0x0000000005100000-0x00000000056A4000-memory.dmp

Filesize
5.6MB

Download
memory/2912-17-0x0000000074740000-0x0000000074EF0000-memory.dmp

Filesize
7.7MB

Download
memory/2912-20-0x0000000074740000-0x0000000074EF0000-memory.dmp

Filesize
7.7MB

Download
memory/2912-19-0x0000000004FD0000-0x0000000005062000-memory.dmp

Filesize
584KB

Download
memory/2912-21-0x0000000004F40000-0x0000000004F4A000-memory.dmp

Filesize
40KB

Download
memory/2912-22-0x0000000074740000-0x0000000074EF0000-memory.dmp

Filesize
7.7MB

Download
memory/2912-23-0x0000000074740000-0x0000000074EF0000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads