njrat | 24f4b10f40eb128bab7c7692f3dee8892c91bdb5d8d40e5231543726dda521e4

Analysis

max time kernel
150s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
04-12-2024 23:47

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

FiveM File + Error Fixer.exe
Size

93KB
MD5

45c9b9fa6b615cd1f013e13d8b3054bb
SHA1

fc0c3e255a13aa5ae27f6c290ce329bed5265453
SHA256

24f4b10f40eb128bab7c7692f3dee8892c91bdb5d8d40e5231543726dda521e4
SHA512

743ec0a866258b81a65f432d9179a151f770e141a933ba43d640ce4479533207b5c105fd6a2fc15b6818bd4324a652209c3a3a64de81da372cd5e268d6a0d3d3
SSDEEP

1536:MPPmqVulfoEGUeFXAOPc+jEwzGi1dDjDmgS:MP8lfodUeBAOPcHi1dDL

Score

10^/10

njrat hacked discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

hakim32.ddns.net:2000

127.0.0.1:5552

Mutex

660d96b74fc3ffcb1da26329a0336912

Attributes

reg_key
660d96b74fc3ffcb1da26329a0336912
splitter
|'|'|

Signatures

Njrat family
njrat
njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat
Disables Task Manager via registry modification
evasion

Modifies Windows Firewall 2 TTPs 3 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
2804	netsh.exe
2652	netsh.exe
2672	netsh.exe

Drops startup file 6 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Microsoft Corporation.exe	server.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Microsoft Corporation.exe	server.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\660d96b74fc3ffcb1da26329a0336912Windows Update.exe	server.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\660d96b74fc3ffcb1da26329a0336912Windows Update.exe	server.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Explower.exe	server.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Explower.exe	server.exe

Executes dropped EXE 1 IoCs

pid	Process
2300	server.exe

Loads dropped DLL 2 IoCs

pid	Process
2692	FiveM File + Error Fixer.exe
2692	FiveM File + Error Fixer.exe

Drops autorun.inf file 1 TTPs 4 IoCs

Malware can abuse Windows Autorun to spread further via attached volumes.

Replication Through Removable Media

T1091

description	ioc	Process
File created	C:\autorun.inf	server.exe
File opened for modification	C:\autorun.inf	server.exe
File created	F:\autorun.inf	server.exe
File opened for modification	F:\autorun.inf	server.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\Explower.exe	server.exe
File opened for modification	C:\Windows\SysWOW64\Explower.exe	server.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Explower.exe	server.exe
File opened for modification	C:\Program Files (x86)\Explower.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 9 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 queried	\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
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
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
Key value enumerated	\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 5 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	FiveM File + Error Fixer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	server.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2300	server.exe
2300	server.exe
2300	server.exe
2300	server.exe
2300	server.exe
2300	server.exe
2300	server.exe
2300	server.exe
2300	server.exe
2300	server.exe
2300	server.exe
2300	server.exe
2300	server.exe
2300	server.exe
2300	server.exe
2300	server.exe
2300	server.exe
2300	server.exe
2300	server.exe
2300	server.exe
2300	server.exe
2300	server.exe
2300	server.exe
2300	server.exe
2300	server.exe
2300	server.exe
2300	server.exe
2300	server.exe
2300	server.exe
2300	server.exe
2300	server.exe
2300	server.exe
2300	server.exe
2300	server.exe
2300	server.exe
2300	server.exe
2300	server.exe
2300	server.exe
2300	server.exe
2300	server.exe
2300	server.exe
2300	server.exe
2300	server.exe
2300	server.exe
2300	server.exe
2300	server.exe
2300	server.exe
2300	server.exe
2300	server.exe
2300	server.exe
2300	server.exe
2300	server.exe
2300	server.exe
2300	server.exe
2300	server.exe
2300	server.exe
2300	server.exe
2300	server.exe
2300	server.exe
2300	server.exe
2300	server.exe
2300	server.exe
2300	server.exe
2300	server.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2300	server.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	2300	server.exe
Token: 33	2300	server.exe
Token: SeIncBasePriorityPrivilege	2300	server.exe
Token: 33	2300	server.exe
Token: SeIncBasePriorityPrivilege	2300	server.exe
Token: 33	2300	server.exe
Token: SeIncBasePriorityPrivilege	2300	server.exe
Token: 33	2300	server.exe
Token: SeIncBasePriorityPrivilege	2300	server.exe
Token: 33	2300	server.exe
Token: SeIncBasePriorityPrivilege	2300	server.exe
Token: 33	2300	server.exe
Token: SeIncBasePriorityPrivilege	2300	server.exe
Token: 33	2300	server.exe
Token: SeIncBasePriorityPrivilege	2300	server.exe
Token: 33	2300	server.exe
Token: SeIncBasePriorityPrivilege	2300	server.exe
Token: 33	2300	server.exe
Token: SeIncBasePriorityPrivilege	2300	server.exe
Token: 33	2300	server.exe
Token: SeIncBasePriorityPrivilege	2300	server.exe
Token: 33	2300	server.exe
Token: SeIncBasePriorityPrivilege	2300	server.exe
Token: 33	2300	server.exe
Token: SeIncBasePriorityPrivilege	2300	server.exe
Token: 33	2300	server.exe
Token: SeIncBasePriorityPrivilege	2300	server.exe
Token: 33	2300	server.exe
Token: SeIncBasePriorityPrivilege	2300	server.exe
Token: 33	2300	server.exe
Token: SeIncBasePriorityPrivilege	2300	server.exe
Token: 33	2300	server.exe
Token: SeIncBasePriorityPrivilege	2300	server.exe
Token: 33	2300	server.exe
Token: SeIncBasePriorityPrivilege	2300	server.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2692 wrote to memory of 2300	2692	FiveM File + Error Fixer.exe	30
PID 2692 wrote to memory of 2300	2692	FiveM File + Error Fixer.exe	30
PID 2692 wrote to memory of 2300	2692	FiveM File + Error Fixer.exe	30
PID 2692 wrote to memory of 2300	2692	FiveM File + Error Fixer.exe	30
PID 2300 wrote to memory of 2804	2300	server.exe	31
PID 2300 wrote to memory of 2804	2300	server.exe	31
PID 2300 wrote to memory of 2804	2300	server.exe	31
PID 2300 wrote to memory of 2804	2300	server.exe	31
PID 2300 wrote to memory of 2652	2300	server.exe	33
PID 2300 wrote to memory of 2652	2300	server.exe	33
PID 2300 wrote to memory of 2652	2300	server.exe	33
PID 2300 wrote to memory of 2652	2300	server.exe	33
PID 2300 wrote to memory of 2672	2300	server.exe	35
PID 2300 wrote to memory of 2672	2300	server.exe	35
PID 2300 wrote to memory of 2672	2300	server.exe	35
PID 2300 wrote to memory of 2672	2300	server.exe	35

C:\Users\Admin\AppData\Local\Temp\FiveM File + Error Fixer.exe
"C:\Users\Admin\AppData\Local\Temp\FiveM File + Error Fixer.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2692
- C:\Users\Admin\AppData\Local\Temp\server.exe
  "C:\Users\Admin\AppData\Local\Temp\server.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Drops autorun.inf file
  - Drops file in System32 directory
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2300
- - 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:2804
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall delete allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe"
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:2652
- - 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:2672

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Replication Through Removable Media

T1091

Execution

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Privilege Escalation

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Replication Through Removable Media

T1091

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\app

Filesize
4B

MD5
047dda8d29bbbf2b6e1c3f4212189eba

SHA1
eb10217bbf887b1ad9b984cb7a559b177e2c762a

SHA256
afd43463eba279dc102afa66f3ef7173885c540c02776217638de34e03486125

SHA512
84c38a784fa77686de5be91738fffd0371ca667eff0e117c87e8e2d676ef29b7defe21c7bfa83f00ef967d73d3983fb038bd07b93fde963ec5ae10a2f569a822

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

Filesize
93KB

MD5
45c9b9fa6b615cd1f013e13d8b3054bb

SHA1
fc0c3e255a13aa5ae27f6c290ce329bed5265453

SHA256
24f4b10f40eb128bab7c7692f3dee8892c91bdb5d8d40e5231543726dda521e4

SHA512
743ec0a866258b81a65f432d9179a151f770e141a933ba43d640ce4479533207b5c105fd6a2fc15b6818bd4324a652209c3a3a64de81da372cd5e268d6a0d3d3

Download Submit
memory/2300-15-0x00000000741C0000-0x000000007476B000-memory.dmp

Filesize
5.7MB

Download
memory/2300-16-0x00000000741C0000-0x000000007476B000-memory.dmp

Filesize
5.7MB

Download
memory/2300-55-0x00000000741C0000-0x000000007476B000-memory.dmp

Filesize
5.7MB

Download
memory/2300-56-0x00000000741C0000-0x000000007476B000-memory.dmp

Filesize
5.7MB

Download
memory/2692-0-0x00000000741C1000-0x00000000741C2000-memory.dmp

Filesize
4KB

Download
memory/2692-1-0x00000000741C0000-0x000000007476B000-memory.dmp

Filesize
5.7MB

Download
memory/2692-2-0x00000000741C0000-0x000000007476B000-memory.dmp

Filesize
5.7MB

Download
memory/2692-14-0x00000000741C0000-0x000000007476B000-memory.dmp

Filesize
5.7MB

Download