| File name: | stordiag.exe |
| Full analysis: | https://app.any.run/tasks/63f9c005-2c19-4b97-862e-23257f4d8e81 |
| 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: | June 24, 2023, 19:55:28 |
| 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: | D3815AD86347CBB32DE4416ACB943EFF |
| SHA1: | 4018A5DEB3D61C8C4827B76425DB5CFFAD2C9E80 |
| SHA256: | E7326F64BDF74F18D75644F325B3D076DB50EAFDBFDB74C0FE97E7341EE23287 |
| SSDEEP: | 768:vf7w9Dhxw9dParwnBwatRkw3ccrfLvWr:sCjysiajkw3cafDWr |
MALICIOUS
NjRAT is detected
- stordiag.exe (PID: 3612)
Changes the autorun value in the registry
- stordiag.exe (PID: 3612)
Changes appearance of the Explorer extensions
- stordiag.exe (PID: 3612)
SUSPICIOUS
Executable content was dropped or overwritten
- stordiag.exe (PID: 2952)
Starts itself from another location
- stordiag.exe (PID: 2952)
Reads the Internet Settings
- stordiag.exe (PID: 2952)
Uses NETSH.EXE to add a firewall rule or allowed programs
- stordiag.exe (PID: 3612)
Connects to unusual port
- stordiag.exe (PID: 3612)
INFO
Reads the computer name
- stordiag.exe (PID: 2952)
- stordiag.exe (PID: 3612)
Checks supported languages
- stordiag.exe (PID: 2952)
- stordiag.exe (PID: 3612)
The process checks LSA protection
- stordiag.exe (PID: 2952)
- stordiag.exe (PID: 3612)
- netsh.exe (PID: 3164)
Reads the machine GUID from the registry
- stordiag.exe (PID: 2952)
- stordiag.exe (PID: 3612)
Creates files or folders in the user directory
- stordiag.exe (PID: 2952)
Reads Environment values
- stordiag.exe (PID: 3612)
[YARA] Firewall manipulation strings were found
- stordiag.exe (PID: 3612)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
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
| Subsystem: | Windows GUI |
|---|---|
| SubsystemVersion: | 4 |
| ImageVersion: | - |
| OSVersion: | 4 |
| EntryPoint: | 0x992e |
| UninitializedDataSize: | - |
| InitializedDataSize: | 1536 |
| CodeSize: | 31232 |
| LinkerVersion: | 8 |
| PEType: | PE32 |
| ImageFileCharacteristics: | Executable, 32-bit |
| TimeStamp: | 2022:01:09 17:21:28+00:00 |
| MachineType: | Intel 386 or later, and compatibles |
Summary
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 09-Jan-2022 17:21:28 |
DOS Header
| Magic number: | MZ |
|---|---|
| Bytes on last page of file: | 0x0090 |
| Pages in file: | 0x0003 |
| Relocations: | 0x0000 |
| Size of header: | 0x0004 |
| Min extra paragraphs: | 0x0000 |
| Max extra paragraphs: | 0xFFFF |
| Initial SS value: | 0x0000 |
| Initial SP value: | 0x00B8 |
| Checksum: | 0x0000 |
| Initial IP value: | 0x0000 |
| Initial CS value: | 0x0000 |
| Overlay number: | 0x0000 |
| OEM identifier: | 0x0000 |
| OEM information: | 0x0000 |
| Address of NE header: | 0x00000080 |
PE Headers
| Signature: | PE |
|---|---|
| Machine: | IMAGE_FILE_MACHINE_I386 |
| Number of sections: | 3 |
| Time date stamp: | 09-Jan-2022 17:21:28 |
| Pointer to Symbol Table: | 0x00000000 |
| Number of symbols: | 0 |
| Size of Optional Header: | 0x00E0 |
| Characteristics: |
|
Sections
Name | Virtual Address | Virtual Size | Raw Size | Charateristics | Entropy |
|---|---|---|---|---|---|
.text | 0x00002000 | 0x00007934 | 0x00007A00 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 5.68821 |
.rsrc | 0x0000A000 | 0x00000240 | 0x00000400 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 4.96877 |
.reloc | 0x0000C000 | 0x0000000C | 0x00000200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ | 0.0815394 |
Resources
Title | Entropy | Size | Codepage | Language | Type |
|---|---|---|---|---|---|
1 | 4.96801 | 487 | Latin 1 / Western European | UNKNOWN | RT_MANIFEST |
Imports
mscoree.dll |
Total processes
40
Monitored processes
3
Malicious processes
2
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2952 | "C:\Users\admin\AppData\Local\Temp\stordiag.exe" | C:\Users\admin\AppData\Local\Temp\stordiag.exe | explorer.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Exit code: 4294967295 Modules
| |||||||||||||||
| 3164 | netsh firewall add allowedprogram "C:\Users\admin\AppData\Roaming\stordiag.exe" "stordiag.exe" ENABLE | C:\Windows\System32\netsh.exe | — | stordiag.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
| |||||||||||||||
| 3612 | "C:\Users\admin\AppData\Roaming\stordiag.exe" | C:\Users\admin\AppData\Roaming\stordiag.exe | stordiag.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Exit code: 0 Modules
| |||||||||||||||
Total events
1 688
Read events
1 623
Write events
65
Delete events
0
Modification events
| (PID) Process: | (2952) stordiag.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | ProxyBypass |
Value: 1 | |||
| (PID) Process: | (2952) stordiag.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | IntranetName |
Value: 1 | |||
| (PID) Process: | (2952) stordiag.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | UNCAsIntranet |
Value: 1 | |||
| (PID) Process: | (2952) stordiag.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | AutoDetect |
Value: 0 | |||
| (PID) Process: | (3612) stordiag.exe | Key: | HKEY_CURRENT_USER\Software\de9a35231a32178cd1b65041fd2df028 |
| Operation: | write | Name: | hp |
Value: bmMuYW5vbmRucy5uZXQ6NTA5NTIs | |||
| (PID) Process: | (3612) stordiag.exe | Key: | HKEY_CURRENT_USER\Software\de9a35231a32178cd1b65041fd2df028 |
| Operation: | write | Name: | i |
Value: ! | |||
| (PID) Process: | (3612) stordiag.exe | Key: | HKEY_CURRENT_USER |
| Operation: | write | Name: | di |
Value: ! | |||
| (PID) Process: | (3164) netsh.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\16D\52C64B7E |
| Operation: | write | Name: | LanguageList |
Value: en-US | |||
| (PID) Process: | (3612) stordiag.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run |
| Operation: | write | Name: | de9a35231a32178cd1b65041fd2df028 |
Value: "C:\Users\admin\AppData\Roaming\stordiag.exe" .. | |||
| (PID) Process: | (3612) stordiag.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced |
| Operation: | write | Name: | Hidden |
Value: 1 | |||
Executable files
1
Suspicious files
0
Text files
0
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 2952 | stordiag.exe | C:\Users\admin\AppData\Roaming\stordiag.exe | executable | |
MD5:D3815AD86347CBB32DE4416ACB943EFF | SHA256:E7326F64BDF74F18D75644F325B3D076DB50EAFDBFDB74C0FE97E7341EE23287 | |||
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
2
Threats
1
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 | 192.168.100.255:137 | — | — | — | whitelisted |
2624 | svchost.exe | 239.255.255.250:1900 | — | — | — | whitelisted |
1076 | svchost.exe | 224.0.0.252:5355 | — | — | — | unknown |
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
3612 | stordiag.exe | 199.249.230.27:50952 | nc.anondns.net | QUINTEX | US | malicious |
DNS requests
Domain | IP | Reputation |
|---|---|---|
nc.anondns.net |
| malicious |
dns.msftncsi.com |
| shared |
Threats
1 ETPRO signatures available at the full report