| File name: | Nj.exe |
| Full analysis: | https://app.any.run/tasks/7c3a3a1f-f286-4496-a27a-bb79b3be8c5f |
| Verdict: | Malicious activity |
| Threats: | njRAT is a remote access trojan. It is one of the most widely accessible RATs on the market that features an abundance of educational information. Interested attackers can even find tutorials on YouTube. This allows it to become one of the most popular RATs in the world. |
| Analysis date: | January 08, 2024, 15:33:01 |
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 32 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/x-dosexec |
| File info: | PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows |
| MD5: | 50D7B426AF7E28A40F10FC33F4D364F5 |
| SHA1: | BBBEED097CC9DF0C5F7208FCBE7DBEBE55367778 |
| SHA256: | 1BC072205B41E18A57D2E38CA1A1A8EEFE98364EAF36A6FBE845805B40750AE5 |
| SSDEEP: | 384:Dc20l9hLQGHXUZu4X0oc9wJCFOjMjssIJqqah0I8ZumTG3IBL+EcoinblneHQM3m:d06YUZPX07wCFOj7JqqiD8ZuSNuVVcI |
MALICIOUS
Create files in the Startup directory
- svchost.exe (PID: 392)
- XClient.exe (PID: 1784)
NJRAT has been detected (YARA)
- svchost.exe (PID: 392)
Uses Task Scheduler to run other applications
- XClient.exe (PID: 1784)
XWORM has been detected (YARA)
- XClient.exe (PID: 1784)
Changes the autorun value in the registry
- svchost.exe (PID: 392)
NjRAT is detected
- svchost.exe (PID: 392)
SUSPICIOUS
The process creates files with name similar to system file names
- Nj.exe (PID: 124)
Uses NETSH.EXE to add a firewall rule or allowed programs
- svchost.exe (PID: 392)
Reads the Internet Settings
- Nj.exe (PID: 124)
- XClient.exe (PID: 1784)
INFO
Drops the executable file immediately after the start
- Nj.exe (PID: 124)
- svchost.exe (PID: 392)
- XClient.exe (PID: 1784)
Checks supported languages
- svchost.exe (PID: 392)
- Nj.exe (PID: 124)
- XClient.exe (PID: 2332)
- XClient.exe (PID: 2560)
- XClient.exe (PID: 1784)
- XClient.exe (PID: 2476)
- XClient.exe (PID: 2380)
Reads the computer name
- Nj.exe (PID: 124)
- svchost.exe (PID: 392)
- XClient.exe (PID: 1784)
- XClient.exe (PID: 2332)
- XClient.exe (PID: 2560)
- XClient.exe (PID: 2380)
- XClient.exe (PID: 2476)
Reads the machine GUID from the registry
- Nj.exe (PID: 124)
- svchost.exe (PID: 392)
- XClient.exe (PID: 2332)
- XClient.exe (PID: 1784)
- XClient.exe (PID: 2560)
- XClient.exe (PID: 2476)
- XClient.exe (PID: 2380)
Creates files or folders in the user directory
- svchost.exe (PID: 392)
- XClient.exe (PID: 1784)
Starts itself from another location
- Nj.exe (PID: 124)
Reads Environment values
- svchost.exe (PID: 392)
Connects to unusual port
- svchost.exe (PID: 392)
- XClient.exe (PID: 1784)
NJRAT has been detected (SURICATA)
- svchost.exe (PID: 392)
Manual execution by a user
- XClient.exe (PID: 1784)
- taskmgr.exe (PID: 980)
- XClient.exe (PID: 2476)
The process executes via Task Scheduler
- XClient.exe (PID: 2332)
- XClient.exe (PID: 2560)
- XClient.exe (PID: 2380)
Creates files in the program directory
- XClient.exe (PID: 1784)
Connects to the CnC server
- svchost.exe (PID: 392)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
NjRat
(PID) Process(392) svchost.exe
C217.ip.gl.ply.gg
Ports58366
BotnetHacKed
Options
Auto-run registry keySoftware\Microsoft\Windows\CurrentVersion\Run\da35bff95a193cef1b562c5b9ba0cf7b
Splitter|'|'|
Versionim523
XWorm
(PID) Process(1784) XClient.exe
C217.ip.gl.ply.gg:61447
Keys
AES<123456789>
Options
Splitter<Xwormmm>
Sleep time3
USB drop nameXWorm V5.0
Mutex87ft10QmUTCwrF1X
TRiD
| .exe | | | Generic CIL Executable (.NET, Mono, etc.) (56.7) |
|---|---|---|
| .exe | | | Win64 Executable (generic) (21.3) |
| .scr | | | Windows screen saver (10.1) |
| .dll | | | Win32 Dynamic Link Library (generic) (5) |
| .exe | | | Win32 Executable (generic) (3.4) |
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2024:01:08 16:19:23+01:00 |
| ImageFileCharacteristics: | Executable, 32-bit |
| PEType: | PE32 |
| LinkerVersion: | 8 |
| CodeSize: | 35840 |
| InitializedDataSize: | 1536 |
| UninitializedDataSize: | - |
| EntryPoint: | 0xabae |
| OSVersion: | 4 |
| ImageVersion: | - |
| SubsystemVersion: | 4 |
| Subsystem: | Windows GUI |
Total processes
53
Monitored processes
10
Malicious processes
3
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 124 | "C:\Users\admin\AppData\Local\Temp\Nj.exe" | C:\Users\admin\AppData\Local\Temp\Nj.exe | — | explorer.exe | |||||||||||
User: admin Integrity Level: MEDIUM Exit code: 0 Modules
| |||||||||||||||
| 392 | "C:\Users\admin\svchost.exe" | C:\Users\admin\svchost.exe | Nj.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Exit code: 0 Modules
NjRat(PID) Process(392) svchost.exe C217.ip.gl.ply.gg Ports58366 BotnetHacKed Options Auto-run registry keySoftware\Microsoft\Windows\CurrentVersion\Run\da35bff95a193cef1b562c5b9ba0cf7b Splitter|'|'| Versionim523 | |||||||||||||||
| 980 | "C:\Windows\system32\taskmgr.exe" /4 | C:\Windows\System32\taskmgr.exe | — | explorer.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Task Manager Exit code: 1 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 1544 | "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "XClient" /tr "C:\ProgramData\XClient.exe" | C:\Windows\System32\schtasks.exe | — | XClient.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Manages scheduled tasks Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 1784 | "C:\Users\admin\Desktop\XClient.exe" | C:\Users\admin\Desktop\XClient.exe | explorer.exe | ||||||||||||
User: admin Integrity Level: HIGH Description: Exit code: 0 Version: 1.0.0.0 Modules
XWorm(PID) Process(1784) XClient.exe C217.ip.gl.ply.gg:61447 Keys AES<123456789> Options Splitter<Xwormmm> Sleep time3 USB drop nameXWorm V5.0 Mutex87ft10QmUTCwrF1X | |||||||||||||||
| 2076 | netsh firewall add allowedprogram "C:\Users\admin\svchost.exe" "svchost.exe" ENABLE | C:\Windows\System32\netsh.exe | — | svchost.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Network Command Shell Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 2332 | C:\ProgramData\XClient.exe | C:\ProgramData\XClient.exe | — | taskeng.exe | |||||||||||
User: admin Integrity Level: HIGH Description: Exit code: 0 Version: 1.0.0.0 Modules
| |||||||||||||||
| 2380 | C:\ProgramData\XClient.exe | C:\ProgramData\XClient.exe | — | taskeng.exe | |||||||||||
User: admin Integrity Level: HIGH Description: Exit code: 0 Version: 1.0.0.0 Modules
| |||||||||||||||
| 2476 | "C:\Users\admin\Desktop\XClient.exe" | C:\Users\admin\Desktop\XClient.exe | explorer.exe | ||||||||||||
User: admin Integrity Level: HIGH Description: Exit code: 0 Version: 1.0.0.0 Modules
| |||||||||||||||
| 2560 | C:\ProgramData\XClient.exe | C:\ProgramData\XClient.exe | — | taskeng.exe | |||||||||||
User: admin Integrity Level: HIGH Description: Exit code: 0 Version: 1.0.0.0 Modules
| |||||||||||||||
Total events
3 023
Read events
2 780
Write events
243
Delete events
0
Modification events
| (PID) Process: | (124) Nj.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | ProxyBypass |
Value: 1 | |||
| (PID) Process: | (124) Nj.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | IntranetName |
Value: 1 | |||
| (PID) Process: | (124) Nj.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | UNCAsIntranet |
Value: 1 | |||
| (PID) Process: | (124) Nj.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | AutoDetect |
Value: 0 | |||
| (PID) Process: | (392) svchost.exe | Key: | HKEY_CURRENT_USER |
| Operation: | write | Name: | di |
Value: ! | |||
| (PID) Process: | (2076) netsh.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\182\52C64B7E |
| Operation: | write | Name: | LanguageList |
Value: en-US | |||
| (PID) Process: | (392) svchost.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run |
| Operation: | write | Name: | da35bff95a193cef1b562c5b9ba0cf7b |
Value: "C:\Users\admin\svchost.exe" .. | |||
| (PID) Process: | (1784) XClient.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | ProxyBypass |
Value: 1 | |||
| (PID) Process: | (1784) XClient.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | IntranetName |
Value: 1 | |||
| (PID) Process: | (1784) XClient.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | UNCAsIntranet |
Value: 1 | |||
Executable files
3
Suspicious files
1
Text files
0
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 392 | svchost.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\da35bff95a193cef1b562c5b9ba0cf7b.exe | executable | |
MD5:50D7B426AF7E28A40F10FC33F4D364F5 | SHA256:1BC072205B41E18A57D2E38CA1A1A8EEFE98364EAF36A6FBE845805B40750AE5 | |||
| 1784 | XClient.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk | binary | |
MD5:F539EE6038CEE49BDA3500D72F3B76F9 | SHA256:2D5B4F2809350E301AD75E43C1680774D69EA4FC568C19F8E635AAA4FEE130BC | |||
| 124 | Nj.exe | C:\Users\admin\svchost.exe | executable | |
MD5:50D7B426AF7E28A40F10FC33F4D364F5 | SHA256:1BC072205B41E18A57D2E38CA1A1A8EEFE98364EAF36A6FBE845805B40750AE5 | |||
| 1784 | XClient.exe | C:\ProgramData\XClient.exe | executable | |
MD5:C0D52978193EDCDF299569E9EA056114 | SHA256:66813B546577D9DBEC779CFD666F4E559E04B01C1CCD3DA016BB56C4B067284B | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
7
DNS requests
3
Threats
7
HTTP requests
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
Connections
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
4 | System | 192.168.100.255:137 | — | — | — | whitelisted |
1080 | svchost.exe | 224.0.0.252:5355 | — | — | — | unknown |
392 | svchost.exe | 147.185.221.17:58366 | 17.ip.gl.ply.gg | PLAYIT-GG | US | malicious |
1784 | XClient.exe | 147.185.221.17:61447 | 17.ip.gl.ply.gg | PLAYIT-GG | US | malicious |
DNS requests
Domain | IP | Reputation |
|---|---|---|
17.ip.gl.ply.gg |
| malicious |
dns.msftncsi.com |
| shared |
Threats
PID | Process | Class | Message |
|---|---|---|---|
392 | svchost.exe | Malware Command and Control Activity Detected | ET MALWARE Generic njRAT/Bladabindi CnC Activity (ll) |
392 | svchost.exe | Malware Command and Control Activity Detected | ET MALWARE Generic njRAT/Bladabindi CnC Activity (ll) |
5 ETPRO signatures available at the full report