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| File name: | portsex.exe |
| Full analysis: | https://app.any.run/tasks/ed81ff3f-6d3a-4978-9c54-3081cff07836 |
| 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: | July 12, 2020, 21:37:46 |
| 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: | F385D324BD6AC7752F28F1EFBB03820B |
| SHA1: | 60FD69FFAF7A53E1E2797D2255380F6934C6CFD1 |
| SHA256: | F12D863447B9C1687513634CD7D6A28C90DD0400DD61EE39B256F40666AD816A |
| SSDEEP: | 384:xc68yCasVKDh3OQyNpsQ1im/VjJs+PyR46vg5J++p57nhmRvR6JZlbw8hqIusZz4:l873Kt+QesGN/VjZPQRpcnu5 |
MALICIOUS
Changes the autorun value in the registry
- service porto.exe (PID: 1380)
NJRAT was detected
- service porto.exe (PID: 1380)
Connects to CnC server
- service porto.exe (PID: 1380)
SUSPICIOUS
Executable content was dropped or overwritten
- portsex.exe (PID: 1804)
Starts itself from another location
- portsex.exe (PID: 1804)
Uses NETSH.EXE for network configuration
- service porto.exe (PID: 1380)
INFO
No info indicators.
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.) (55.8) |
|---|---|---|
| .exe | | | Win64 Executable (generic) (21) |
| .scr | | | Windows screen saver (9.9) |
| .dll | | | Win32 Dynamic Link Library (generic) (5) |
| .exe | | | Win32 Executable (generic) (3.4) |
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2020:07:06 01:42:31+02:00 |
| PEType: | PE32 |
| LinkerVersion: | 8 |
| CodeSize: | 22016 |
| InitializedDataSize: | 1536 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x74ae |
| OSVersion: | 4 |
| ImageVersion: | - |
| SubsystemVersion: | 4 |
| Subsystem: | Windows GUI |
Summary
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 05-Jul-2020 23:42:31 |
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: | 05-Jul-2020 23:42:31 |
| 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 | 0x000054B4 | 0x00005600 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 5.57794 |
.rsrc | 0x00008000 | 0x00000240 | 0x00000400 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 4.96608 |
.reloc | 0x0000A000 | 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
38
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 |
|---|---|---|---|---|
| 1804 | "C:\Users\admin\AppData\Local\Temp\portsex.exe" | C:\Users\admin\AppData\Local\Temp\portsex.exe | explorer.exe | |
User: admin Integrity Level: MEDIUM Exit code: 0 | ||||
| 1380 | "C:\Users\admin\AppData\Local\Temp\service porto.exe" | C:\Users\admin\AppData\Local\Temp\service porto.exe | portsex.exe | |
User: admin Integrity Level: MEDIUM | ||||
| 4056 | netsh firewall add allowedprogram "C:\Users\admin\AppData\Local\Temp\service porto.exe" "service porto.exe" ENABLE | C:\Windows\system32\netsh.exe | — | service porto.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) | ||||
Total events
493
Read events
393
Write events
0
Delete events
0
Modification events
Executable files
1
Suspicious files
0
Text files
0
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 1804 | portsex.exe | C:\Users\admin\AppData\Local\Temp\service porto.exe | executable | |
MD5:F385D324BD6AC7752F28F1EFBB03820B | SHA256:F12D863447B9C1687513634CD7D6A28C90DD0400DD61EE39B256F40666AD816A | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
2
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 |
|---|---|---|---|---|---|---|
1380 | service porto.exe | 193.161.193.99:55163 | alportoino-55163.portmap.host | OOO Bitree Networks | RU | malicious |
DNS requests
Domain | IP | Reputation |
|---|---|---|
alportoino-55163.portmap.host |
| malicious |
Threats
PID | Process | Class | Message |
|---|---|---|---|
— | — | Potential Corporate Privacy Violation | ET POLICY DNS Query to a Reverse Proxy Service Observed |
1380 | service porto.exe | Misc Attack | ET TOR Known Tor Relay/Router (Not Exit) Node Traffic group 362 |
1380 | service porto.exe | A Network Trojan was detected | MALWARE [PTsecurity] njRAT/Bladabindi |
1380 | service porto.exe | A Network Trojan was detected | MALWARE [PTsecurity] njRAT.Gen RAT outbound connection |
1380 | service porto.exe | A Network Trojan was detected | ET TROJAN njrat ver 0.7d Malware CnC Callback (Remote Desktop) |
1380 | service porto.exe | A Network Trojan was detected | ET TROJAN njrat ver 0.7d Malware CnC Callback Response (Remote Desktop) |
1380 | service porto.exe | A Network Trojan was detected | ET TROJAN njrat ver 0.7d Malware CnC Callback Response (Remote Desktop) |
1380 | service porto.exe | A Network Trojan was detected | ET TROJAN njrat ver 0.7d Malware CnC Callback Response (Remote Desktop) |
1380 | service porto.exe | A Network Trojan was detected | ET TROJAN njrat ver 0.7d Malware CnC Callback Response (Remote Desktop) |
1380 | service porto.exe | A Network Trojan was detected | ET TROJAN njrat ver 0.7d Malware CnC Callback Response (Remote Desktop) |
5 ETPRO signatures available at the full report