njrat | fc2ca4afc70626124f35d0e4251185adf53c224d9fd49b90c16ca00613fe2541

General

Target

fc2ca4afc70626124f35d0e4251185adf53c224d9fd49b90c16ca00613fe2541.exe
Size

31KB
MD5

228910f2d8f90acad48eb9a4c213b69c
SHA1

60553d3782d3f23358ecad34fefb7b275726a99c
SHA256

fc2ca4afc70626124f35d0e4251185adf53c224d9fd49b90c16ca00613fe2541
SHA512

24c45e184ef7a325404d3cbba8f57461a64b75bf1d305651e4ff399518c38dedf8d2107cdad5b0d2e2506c52bed1cb981ed950b848a03e22c647e07aeff98123
SSDEEP

768:7XeZyeOHxtgzxbSHXqrgf9dBvisoQmIDUu0tihGj:2Kauf/voQVkZj

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

Processes:

netsh.exe

pid process

5008 netsh.exe

pid	process
5008	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

Processes:

fc2ca4afc70626124f35d0e4251185adf53c224d9fd49b90c16ca00613fe2541.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	fc2ca4afc70626124f35d0e4251185adf53c224d9fd49b90c16ca00613fe2541.exe

Executes dropped EXE 1 IoCs

Processes:

Trojan.exe

pid process

3152 Trojan.exe

pid	process
3152	Trojan.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

Trojan.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bd996c26f70b64f1b499d2e4beb71ac3 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Trojan.exe\" .."	Trojan.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\bd996c26f70b64f1b499d2e4beb71ac3 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Trojan.exe\" .."	Trojan.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

Processes:

netsh.exe

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

Processes:

fc2ca4afc70626124f35d0e4251185adf53c224d9fd49b90c16ca00613fe2541.exeTrojan.exenetsh.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fc2ca4afc70626124f35d0e4251185adf53c224d9fd49b90c16ca00613fe2541.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Trojan.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

Processes:

Trojan.exe

description	pid	process
Token: SeDebugPrivilege	3152	Trojan.exe
Token: 33	3152	Trojan.exe
Token: SeIncBasePriorityPrivilege	3152	Trojan.exe
Token: 33	3152	Trojan.exe
Token: SeIncBasePriorityPrivilege	3152	Trojan.exe
Token: 33	3152	Trojan.exe
Token: SeIncBasePriorityPrivilege	3152	Trojan.exe
Token: 33	3152	Trojan.exe
Token: SeIncBasePriorityPrivilege	3152	Trojan.exe
Token: 33	3152	Trojan.exe
Token: SeIncBasePriorityPrivilege	3152	Trojan.exe
Token: 33	3152	Trojan.exe
Token: SeIncBasePriorityPrivilege	3152	Trojan.exe
Token: 33	3152	Trojan.exe
Token: SeIncBasePriorityPrivilege	3152	Trojan.exe
Token: 33	3152	Trojan.exe
Token: SeIncBasePriorityPrivilege	3152	Trojan.exe
Token: 33	3152	Trojan.exe
Token: SeIncBasePriorityPrivilege	3152	Trojan.exe
Token: 33	3152	Trojan.exe
Token: SeIncBasePriorityPrivilege	3152	Trojan.exe
Token: 33	3152	Trojan.exe
Token: SeIncBasePriorityPrivilege	3152	Trojan.exe
Token: 33	3152	Trojan.exe
Token: SeIncBasePriorityPrivilege	3152	Trojan.exe
Token: 33	3152	Trojan.exe
Token: SeIncBasePriorityPrivilege	3152	Trojan.exe
Token: 33	3152	Trojan.exe
Token: SeIncBasePriorityPrivilege	3152	Trojan.exe
Token: 33	3152	Trojan.exe
Token: SeIncBasePriorityPrivilege	3152	Trojan.exe
Token: 33	3152	Trojan.exe
Token: SeIncBasePriorityPrivilege	3152	Trojan.exe
Token: 33	3152	Trojan.exe
Token: SeIncBasePriorityPrivilege	3152	Trojan.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

fc2ca4afc70626124f35d0e4251185adf53c224d9fd49b90c16ca00613fe2541.exeTrojan.exe

description	pid	process	target process
PID 1280 wrote to memory of 3152	1280	fc2ca4afc70626124f35d0e4251185adf53c224d9fd49b90c16ca00613fe2541.exe	Trojan.exe
PID 1280 wrote to memory of 3152	1280	fc2ca4afc70626124f35d0e4251185adf53c224d9fd49b90c16ca00613fe2541.exe	Trojan.exe
PID 1280 wrote to memory of 3152	1280	fc2ca4afc70626124f35d0e4251185adf53c224d9fd49b90c16ca00613fe2541.exe	Trojan.exe
PID 3152 wrote to memory of 5008	3152	Trojan.exe	netsh.exe
PID 3152 wrote to memory of 5008	3152	Trojan.exe	netsh.exe
PID 3152 wrote to memory of 5008	3152	Trojan.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\fc2ca4afc70626124f35d0e4251185adf53c224d9fd49b90c16ca00613fe2541.exe
"C:\Users\Admin\AppData\Local\Temp\fc2ca4afc70626124f35d0e4251185adf53c224d9fd49b90c16ca00613fe2541.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1280
- C:\Users\Admin\AppData\Local\Temp\Trojan.exe
  "C:\Users\Admin\AppData\Local\Temp\Trojan.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:3152
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Trojan.exe" "Trojan.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:5008

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\Trojan.exe

Filesize
31KB

MD5
228910f2d8f90acad48eb9a4c213b69c

SHA1
60553d3782d3f23358ecad34fefb7b275726a99c

SHA256
fc2ca4afc70626124f35d0e4251185adf53c224d9fd49b90c16ca00613fe2541

SHA512
24c45e184ef7a325404d3cbba8f57461a64b75bf1d305651e4ff399518c38dedf8d2107cdad5b0d2e2506c52bed1cb981ed950b848a03e22c647e07aeff98123

Download Submit
memory/1280-0-0x0000000074D32000-0x0000000074D33000-memory.dmp

Filesize
4KB

Download
memory/1280-1-0x0000000074D30000-0x00000000752E1000-memory.dmp

Filesize
5.7MB

Download
memory/1280-2-0x0000000074D30000-0x00000000752E1000-memory.dmp

Filesize
5.7MB

Download
memory/1280-13-0x0000000074D30000-0x00000000752E1000-memory.dmp

Filesize
5.7MB

Download
memory/3152-12-0x0000000074D30000-0x00000000752E1000-memory.dmp

Filesize
5.7MB

Download
memory/3152-14-0x0000000074D30000-0x00000000752E1000-memory.dmp

Filesize
5.7MB

Download
memory/3152-15-0x0000000074D30000-0x00000000752E1000-memory.dmp

Filesize
5.7MB

Download
memory/3152-16-0x0000000074D30000-0x00000000752E1000-memory.dmp

Filesize
5.7MB

Download
memory/3152-17-0x0000000074D30000-0x00000000752E1000-memory.dmp

Filesize
5.7MB

Download
memory/3152-18-0x0000000074D30000-0x00000000752E1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads