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 hacked discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

Hacked

C2

10.0.2.15:5552

Mutex

bd996c26f70b64f1b499d2e4beb71ac3

Attributes

reg_key
bd996c26f70b64f1b499d2e4beb71ac3
splitter
Y262SUCZ4UJJ

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
2812	netsh.exe

Executes dropped EXE 1 IoCs

pid	Process
2764	Trojan.exe

Loads dropped DLL 1 IoCs

pid	Process
2028	fc2ca4afc70626124f35d0e4251185adf53c224d9fd49b90c16ca00613fe2541.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-1-5-21-3551809350-4263495960-1443967649-1000\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

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	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

description	pid	Process
Token: SeDebugPrivilege	2764	Trojan.exe
Token: 33	2764	Trojan.exe
Token: SeIncBasePriorityPrivilege	2764	Trojan.exe
Token: 33	2764	Trojan.exe
Token: SeIncBasePriorityPrivilege	2764	Trojan.exe
Token: 33	2764	Trojan.exe
Token: SeIncBasePriorityPrivilege	2764	Trojan.exe
Token: 33	2764	Trojan.exe
Token: SeIncBasePriorityPrivilege	2764	Trojan.exe
Token: 33	2764	Trojan.exe
Token: SeIncBasePriorityPrivilege	2764	Trojan.exe
Token: 33	2764	Trojan.exe
Token: SeIncBasePriorityPrivilege	2764	Trojan.exe
Token: 33	2764	Trojan.exe
Token: SeIncBasePriorityPrivilege	2764	Trojan.exe
Token: 33	2764	Trojan.exe
Token: SeIncBasePriorityPrivilege	2764	Trojan.exe
Token: 33	2764	Trojan.exe
Token: SeIncBasePriorityPrivilege	2764	Trojan.exe
Token: 33	2764	Trojan.exe
Token: SeIncBasePriorityPrivilege	2764	Trojan.exe
Token: 33	2764	Trojan.exe
Token: SeIncBasePriorityPrivilege	2764	Trojan.exe
Token: 33	2764	Trojan.exe
Token: SeIncBasePriorityPrivilege	2764	Trojan.exe
Token: 33	2764	Trojan.exe
Token: SeIncBasePriorityPrivilege	2764	Trojan.exe
Token: 33	2764	Trojan.exe
Token: SeIncBasePriorityPrivilege	2764	Trojan.exe
Token: 33	2764	Trojan.exe
Token: SeIncBasePriorityPrivilege	2764	Trojan.exe
Token: 33	2764	Trojan.exe
Token: SeIncBasePriorityPrivilege	2764	Trojan.exe
Token: 33	2764	Trojan.exe
Token: SeIncBasePriorityPrivilege	2764	Trojan.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2028 wrote to memory of 2764	2028	fc2ca4afc70626124f35d0e4251185adf53c224d9fd49b90c16ca00613fe2541.exe	30
PID 2028 wrote to memory of 2764	2028	fc2ca4afc70626124f35d0e4251185adf53c224d9fd49b90c16ca00613fe2541.exe	30
PID 2028 wrote to memory of 2764	2028	fc2ca4afc70626124f35d0e4251185adf53c224d9fd49b90c16ca00613fe2541.exe	30
PID 2028 wrote to memory of 2764	2028	fc2ca4afc70626124f35d0e4251185adf53c224d9fd49b90c16ca00613fe2541.exe	30
PID 2764 wrote to memory of 2812	2764	Trojan.exe	31
PID 2764 wrote to memory of 2812	2764	Trojan.exe	31
PID 2764 wrote to memory of 2812	2764	Trojan.exe	31
PID 2764 wrote to memory of 2812	2764	Trojan.exe	31

C:\Users\Admin\AppData\Local\Temp\fc2ca4afc70626124f35d0e4251185adf53c224d9fd49b90c16ca00613fe2541.exe
"C:\Users\Admin\AppData\Local\Temp\fc2ca4afc70626124f35d0e4251185adf53c224d9fd49b90c16ca00613fe2541.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2028
- 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:2764
- - 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:2812

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\Trojan.exe

Filesize
31KB

MD5
228910f2d8f90acad48eb9a4c213b69c

SHA1
60553d3782d3f23358ecad34fefb7b275726a99c

SHA256
fc2ca4afc70626124f35d0e4251185adf53c224d9fd49b90c16ca00613fe2541

SHA512
24c45e184ef7a325404d3cbba8f57461a64b75bf1d305651e4ff399518c38dedf8d2107cdad5b0d2e2506c52bed1cb981ed950b848a03e22c647e07aeff98123

Download Submit
memory/2028-0-0x0000000074EB1000-0x0000000074EB2000-memory.dmp

Filesize
4KB

Download
memory/2028-1-0x0000000074EB0000-0x000000007545B000-memory.dmp

Filesize
5.7MB

Download
memory/2028-2-0x0000000074EB0000-0x000000007545B000-memory.dmp

Filesize
5.7MB

Download
memory/2028-10-0x0000000074EB0000-0x000000007545B000-memory.dmp

Filesize
5.7MB

Download
memory/2764-11-0x0000000074EB0000-0x000000007545B000-memory.dmp

Filesize
5.7MB

Download
memory/2764-12-0x0000000074EB0000-0x000000007545B000-memory.dmp

Filesize
5.7MB

Download
memory/2764-13-0x0000000074EB0000-0x000000007545B000-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