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| File name: | defender.exe |
| Full analysis: | https://app.any.run/tasks/a7b7d057-da41-4bd8-a7f1-4ba310683dd9 |
| 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 15, 2022, 00:29:57 |
| 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: | C454FFB34A08014A2833A9042A241576 |
| SHA1: | 835856CB046F5039E0C061AE34563A75FAD4323F |
| SHA256: | 08D40166828196CFF35DBA9F157C9A539ACEA7704982B29ECAD7B753B713B308 |
| SSDEEP: | 768:BCHo0kZlH/azx1+tkqqni97vWQQmIDUu0tinmji:64qmpfQVkzji |
MALICIOUS
Writes to a start menu file
- defender.exe (PID: 344)
NJRAT was detected
- defender.exe (PID: 344)
Changes the autorun value in the registry
- defender.exe (PID: 344)
Connects to CnC server
- defender.exe (PID: 344)
SUSPICIOUS
Checks supported languages
- defender.exe (PID: 2208)
- defender.exe (PID: 344)
- cmd.exe (PID: 240)
Executable content was dropped or overwritten
- defender.exe (PID: 2208)
- defender.exe (PID: 344)
Creates files in the program directory
- defender.exe (PID: 2208)
Starts itself from another location
- defender.exe (PID: 2208)
Reads the computer name
- defender.exe (PID: 344)
- defender.exe (PID: 2208)
Drops a file with a compile date too recent
- defender.exe (PID: 2208)
- defender.exe (PID: 344)
Reads Environment values
- netsh.exe (PID: 2676)
- defender.exe (PID: 344)
- netsh.exe (PID: 1128)
Uses NETSH.EXE for network configuration
- defender.exe (PID: 344)
Creates files in the user directory
- defender.exe (PID: 344)
Starts CMD.EXE for self-deleting
- defender.exe (PID: 344)
Starts CMD.EXE for commands execution
- defender.exe (PID: 344)
INFO
Checks supported languages
- netsh.exe (PID: 2676)
- netsh.exe (PID: 1128)
- PING.EXE (PID: 2996)
Reads the computer name
- netsh.exe (PID: 2676)
- netsh.exe (PID: 1128)
- PING.EXE (PID: 2996)
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
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2022:01:15 01:28:12+01:00 |
| PEType: | PE32 |
| LinkerVersion: | 8 |
| CodeSize: | 30208 |
| InitializedDataSize: | 1536 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x952e |
| OSVersion: | 4 |
| ImageVersion: | - |
| SubsystemVersion: | 4 |
| Subsystem: | Windows GUI |
Summary
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 15-Jan-2022 00:28:12 |
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: | 15-Jan-2022 00:28:12 |
| 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 | 0x00007534 | 0x00007600 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 5.65348 |
.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
43
Monitored processes
6
Malicious processes
1
Suspicious processes
1
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2208 | "C:\Users\admin\AppData\Local\Temp\defender.exe" | C:\Users\admin\AppData\Local\Temp\defender.exe | Explorer.EXE | ||||||||||||
User: admin Integrity Level: MEDIUM Exit code: 0 Modules
| |||||||||||||||
| 344 | "C:\ProgramData\defender.exe" | C:\ProgramData\defender.exe | defender.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Exit code: 0 Modules
| |||||||||||||||
| 2676 | netsh firewall add allowedprogram "C:\ProgramData\defender.exe" "defender.exe" ENABLE | C:\Windows\system32\netsh.exe | — | defender.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Network Command Shell Exit code: 1 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 1128 | netsh firewall delete allowedprogram "C:\ProgramData\defender.exe" | C:\Windows\system32\netsh.exe | — | defender.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Network Command Shell Exit code: 1 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 240 | cmd.exe /c ping 0 -n 2 & del "C:\ProgramData\defender.exe" | C:\Windows\system32\cmd.exe | — | defender.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Command Processor Exit code: 0 Version: 6.1.7601.17514 (win7sp1_rtm.101119-1850) Modules
| |||||||||||||||
| 2996 | ping 0 -n 2 | C:\Windows\system32\PING.EXE | — | cmd.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: TCP/IP Ping Command Exit code: 1 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
Total events
1 907
Read events
1 773
Write events
132
Delete events
2
Modification events
| (PID) Process: | (2208) defender.exe | Key: | HKEY_CURRENT_USER |
| Operation: | write | Name: | di |
Value: ! | |||
| (PID) Process: | (2208) defender.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | ProxyBypass |
Value: 1 | |||
| (PID) Process: | (2208) defender.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | IntranetName |
Value: 1 | |||
| (PID) Process: | (2208) defender.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | UNCAsIntranet |
Value: 1 | |||
| (PID) Process: | (2208) defender.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | AutoDetect |
Value: 0 | |||
| (PID) Process: | (344) defender.exe | Key: | HKEY_CURRENT_USER |
| Operation: | write | Name: | di |
Value: ! | |||
| (PID) Process: | (344) defender.exe | Key: | HKEY_CURRENT_USER\Environment |
| Operation: | write | Name: | SEE_MASK_NOZONECHECKS |
Value: 1 | |||
| (PID) Process: | (2676) netsh.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\16C\52C64B7E |
| Operation: | write | Name: | LanguageList |
Value: en-US | |||
| (PID) Process: | (2676) netsh.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\16C\52C64B7E |
| Operation: | write | Name: | @%SystemRoot%\system32\dhcpqec.dll,-100 |
Value: DHCP Quarantine Enforcement Client | |||
| (PID) Process: | (2676) netsh.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\16C\52C64B7E |
| Operation: | write | Name: | @%SystemRoot%\system32\dhcpqec.dll,-101 |
Value: Provides DHCP based enforcement for NAP | |||
Executable files
2
Suspicious files
0
Text files
0
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 344 | defender.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\820bcd1f3574923d5f55116db8b3547d.exe | executable | |
MD5:C454FFB34A08014A2833A9042A241576 | SHA256:08D40166828196CFF35DBA9F157C9A539ACEA7704982B29ECAD7B753B713B308 | |||
| 2208 | defender.exe | C:\ProgramData\defender.exe | executable | |
MD5:C454FFB34A08014A2833A9042A241576 | SHA256:08D40166828196CFF35DBA9F157C9A539ACEA7704982B29ECAD7B753B713B308 | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
1
DNS requests
1
Threats
0
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 |
|---|---|---|---|---|---|---|
344 | defender.exe | 41.248.117.240:69 | sknre.duckdns.org | Itissalat Al-MAGHRIB | MA | malicious |
DNS requests
Domain | IP | Reputation |
|---|---|---|
sknre.duckdns.org |
| malicious |
Threats
PID | Process | Class | Message |
|---|---|---|---|
— | — | Misc activity | ET INFO DYNAMIC_DNS Query to *.duckdns. Domain |
344 | defender.exe | A Network Trojan was detected | ET TROJAN Generic njRAT/Bladabindi CnC Activity (ll) |
3 ETPRO signatures available at the full report