njrat | d828ac3838adb83bc002dfbd5d4fcefa0d0b4c54dd7cb8c523564efb617c7166

General

Target

d828ac3838adb83bc002dfbd5d4fcefa0d0b4c54dd7cb8c523564efb617c7166.exe
Size

200KB
MD5

ba3fac4e249d40a19db58de619c3da31
SHA1

15c60339e114ef89b3411d2f2df0c1c074afb30b
SHA256

d828ac3838adb83bc002dfbd5d4fcefa0d0b4c54dd7cb8c523564efb617c7166
SHA512

75258c30e79b9258118f2eb15bdbff629352b4c32540908e38927fd61e8c3695737fc292c3f3132e9bc5c5a67018117c5b87711e6710c651455b47e61cda7edd
SSDEEP

3072:A6Ma80I2iaaSqwAkOCekzSZVO+ZS9ddYECNSMJwBCDoZGf:LLiaaSUCEZFECBw0d

Score

10^/10

njrat sini defense_evasion discovery persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

sini

C2

taskeng.sytes.net:7338

Mutex

31769fbca2fc3901df2cf43ae19c898c

Attributes

reg_key
31769fbca2fc3901df2cf43ae19c898c
splitter
|'|'|

Signatures

Njrat family
njrat
njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat

Modifies Windows Firewall 2 TTPs 1 IoCs

defense_evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
108	netsh.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\31769fbca2fc3901df2cf43ae19c898c.exe	dll.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\31769fbca2fc3901df2cf43ae19c898c.exe	dll.exe

Executes dropped EXE 1 IoCs

pid	Process
2684	dll.exe

Loads dropped DLL 1 IoCs

pid	Process
2400	d828ac3838adb83bc002dfbd5d4fcefa0d0b4c54dd7cb8c523564efb617c7166.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-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\31769fbca2fc3901df2cf43ae19c898c = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\dll.exe\" .."	dll.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\31769fbca2fc3901df2cf43ae19c898c = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\dll.exe\" .."	dll.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	d828ac3838adb83bc002dfbd5d4fcefa0d0b4c54dd7cb8c523564efb617c7166.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	2684	dll.exe
Token: 33	2684	dll.exe
Token: SeIncBasePriorityPrivilege	2684	dll.exe
Token: 33	2684	dll.exe
Token: SeIncBasePriorityPrivilege	2684	dll.exe
Token: 33	2684	dll.exe
Token: SeIncBasePriorityPrivilege	2684	dll.exe
Token: 33	2684	dll.exe
Token: SeIncBasePriorityPrivilege	2684	dll.exe
Token: 33	2684	dll.exe
Token: SeIncBasePriorityPrivilege	2684	dll.exe
Token: 33	2684	dll.exe
Token: SeIncBasePriorityPrivilege	2684	dll.exe
Token: 33	2684	dll.exe
Token: SeIncBasePriorityPrivilege	2684	dll.exe
Token: 33	2684	dll.exe
Token: SeIncBasePriorityPrivilege	2684	dll.exe
Token: 33	2684	dll.exe
Token: SeIncBasePriorityPrivilege	2684	dll.exe
Token: 33	2684	dll.exe
Token: SeIncBasePriorityPrivilege	2684	dll.exe
Token: 33	2684	dll.exe
Token: SeIncBasePriorityPrivilege	2684	dll.exe
Token: 33	2684	dll.exe
Token: SeIncBasePriorityPrivilege	2684	dll.exe
Token: 33	2684	dll.exe
Token: SeIncBasePriorityPrivilege	2684	dll.exe
Token: 33	2684	dll.exe
Token: SeIncBasePriorityPrivilege	2684	dll.exe
Token: 33	2684	dll.exe
Token: SeIncBasePriorityPrivilege	2684	dll.exe
Token: 33	2684	dll.exe
Token: SeIncBasePriorityPrivilege	2684	dll.exe
Token: 33	2684	dll.exe
Token: SeIncBasePriorityPrivilege	2684	dll.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2400 wrote to memory of 2684	2400	d828ac3838adb83bc002dfbd5d4fcefa0d0b4c54dd7cb8c523564efb617c7166.exe	31
PID 2400 wrote to memory of 2684	2400	d828ac3838adb83bc002dfbd5d4fcefa0d0b4c54dd7cb8c523564efb617c7166.exe	31
PID 2400 wrote to memory of 2684	2400	d828ac3838adb83bc002dfbd5d4fcefa0d0b4c54dd7cb8c523564efb617c7166.exe	31
PID 2400 wrote to memory of 2684	2400	d828ac3838adb83bc002dfbd5d4fcefa0d0b4c54dd7cb8c523564efb617c7166.exe	31
PID 2684 wrote to memory of 108	2684	dll.exe	32
PID 2684 wrote to memory of 108	2684	dll.exe	32
PID 2684 wrote to memory of 108	2684	dll.exe	32
PID 2684 wrote to memory of 108	2684	dll.exe	32

C:\Users\Admin\AppData\Local\Temp\d828ac3838adb83bc002dfbd5d4fcefa0d0b4c54dd7cb8c523564efb617c7166.exe
"C:\Users\Admin\AppData\Local\Temp\d828ac3838adb83bc002dfbd5d4fcefa0d0b4c54dd7cb8c523564efb617c7166.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2400
- C:\Users\Admin\AppData\Local\Temp\dll.exe
  "C:\Users\Admin\AppData\Local\Temp\dll.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:2684
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\dll.exe" "dll.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:108

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

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

Filesize
200KB

MD5
ba3fac4e249d40a19db58de619c3da31

SHA1
15c60339e114ef89b3411d2f2df0c1c074afb30b

SHA256
d828ac3838adb83bc002dfbd5d4fcefa0d0b4c54dd7cb8c523564efb617c7166

SHA512
75258c30e79b9258118f2eb15bdbff629352b4c32540908e38927fd61e8c3695737fc292c3f3132e9bc5c5a67018117c5b87711e6710c651455b47e61cda7edd

Download Submit
memory/2400-0-0x0000000074491000-0x0000000074492000-memory.dmp

Filesize
4KB

Download
memory/2400-1-0x0000000074490000-0x0000000074A3B000-memory.dmp

Filesize
5.7MB

Download
memory/2400-2-0x0000000074490000-0x0000000074A3B000-memory.dmp

Filesize
5.7MB

Download
memory/2400-10-0x0000000074490000-0x0000000074A3B000-memory.dmp

Filesize
5.7MB

Download
memory/2684-11-0x0000000074490000-0x0000000074A3B000-memory.dmp

Filesize
5.7MB

Download
memory/2684-13-0x0000000074490000-0x0000000074A3B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads