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| File name: | NotServer.exe |
| Full analysis: | https://app.any.run/tasks/bd3be598-4dc2-42ec-bbbb-7eedfb885ea0 |
| 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: | August 08, 2020, 21:03:10 |
| 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: | CBC934A513FD9203F813613CF92D244B |
| SHA1: | E89FA6EB5583B460B3186F62B7EC72396E0810C0 |
| SHA256: | E5A2AB02013795B2C4E452E17A3A4B481B896E398ED1AFEBA289433320AEB97A |
| SSDEEP: | 384:feLx1kit8Zf5W9cTYXyc/bBM0izvncnPMInrAF+rMRTyN/0L+EcoinblneHQM3ee:WLxKjjTYic/be0PMmrM+rMRa8NuR4t |
MALICIOUS
Connects to CnC server
- NotServer.exe (PID: 816)
NJRAT was detected
- NotServer.exe (PID: 816)
SUSPICIOUS
Uses NETSH.EXE for network configuration
- NotServer.exe (PID: 816)
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.) (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: | 2020:08:03 03:37:02+02:00 |
| PEType: | PE32 |
| LinkerVersion: | 8 |
| CodeSize: | 35840 |
| InitializedDataSize: | 1536 |
| UninitializedDataSize: | - |
| EntryPoint: | 0xabae |
| OSVersion: | 4 |
| ImageVersion: | - |
| SubsystemVersion: | 4 |
| Subsystem: | Windows GUI |
Summary
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 03-Aug-2020 01:37:02 |
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: | 03-Aug-2020 01:37:02 |
| 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 | 0x00008BB4 | 0x00008C00 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 5.60241 |
.rsrc | 0x0000C000 | 0x00000240 | 0x00000400 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 4.96877 |
.reloc | 0x0000E000 | 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
2
Malicious processes
1
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process |
|---|---|---|---|---|
| 816 | "C:\Users\admin\AppData\Local\Temp\NotServer.exe" | C:\Users\admin\AppData\Local\Temp\NotServer.exe | explorer.exe | |
User: admin Integrity Level: MEDIUM | ||||
| 2220 | netsh firewall add allowedprogram "C:\Users\admin\AppData\Local\Temp\NotServer.exe" "NotServer.exe" ENABLE | C:\Windows\system32\netsh.exe | — | NotServer.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
103
Read events
39
Write events
0
Delete events
0
Modification events
Executable files
0
Suspicious files
0
Text files
0
Unknown types
0
Dropped files
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
18
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 |
|---|---|---|---|---|---|---|
816 | NotServer.exe | 3.19.6.32:10298 | 2.tcp.ngrok.io | — | US | malicious |
— | — | 3.19.6.32:10298 | 2.tcp.ngrok.io | — | US | malicious |
DNS requests
Domain | IP | Reputation |
|---|---|---|
2.tcp.ngrok.io |
| whitelisted |
Threats
PID | Process | Class | Message |
|---|---|---|---|
— | — | Potential Corporate Privacy Violation | ET POLICY DNS Query to a *.ngrok domain (ngrok.io) |
816 | NotServer.exe | A Network Trojan was detected | MALWARE [PTsecurity] njRAT.Gen RAT outbound connection |
816 | NotServer.exe | A Network Trojan was detected | MALWARE [PTsecurity] njRAT/Bladabindi |
816 | NotServer.exe | A Network Trojan was detected | MALWARE [PTsecurity] njRAT.Gen RAT outbound connection |
816 | NotServer.exe | A Network Trojan was detected | MALWARE [PTsecurity] njRAT/Bladabindi |
816 | NotServer.exe | A Network Trojan was detected | MALWARE [PTsecurity] njRAT.Gen RAT outbound connection |
816 | NotServer.exe | A Network Trojan was detected | MALWARE [PTsecurity] njRAT/Bladabindi |
816 | NotServer.exe | A Network Trojan was detected | MALWARE [PTsecurity] njRAT.Gen RAT outbound connection |
816 | NotServer.exe | A Network Trojan was detected | MALWARE [PTsecurity] njRAT/Bladabindi |
816 | NotServer.exe | A Network Trojan was detected | MALWARE [PTsecurity] njRAT.Gen RAT outbound connection |
36 ETPRO signatures available at the full report