analyze malware
- Huge database of samples and IOCs
- Custom VM setup
- Unlimited submissions
- Interactive approach
| download: | po.exe |
| Full analysis: | https://app.any.run/tasks/95265a3a-5b48-4732-8cb8-5dc902d11336 |
| 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: | November 08, 2018, 15:51:53 |
| 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: | 2872008AD51FCA4C383F41D62D03F385 |
| SHA1: | FFCB065E75F827544703925D1F895BE20D9DFB31 |
| SHA256: | D3755BE2034711B3F76F9FB91740C23312B7083D1DF0DD15D934C78378AA6BA1 |
| SSDEEP: | 12288:KNawWPBPi6Py4MdYcBxGS9dttCvFxTwZbmzYv4dEgmn1EWTSPNyKqmrkUr/V4rSk:9wWPBPi6Py4MXFjCDSrBS/c |
MALICIOUS
Connects to CnC server
- RegAsm.exe (PID: 1744)
NJRAT was detected
- RegAsm.exe (PID: 1744)
- RegAsm.exe (PID: 1744)
Writes to a start menu file
- po.exe (PID: 700)
SUSPICIOUS
Creates files in the user directory
- po.exe (PID: 700)
Creates files in the program directory
- po.exe (PID: 700)
Executable content was dropped or overwritten
- po.exe (PID: 700)
Connects to unusual port
- RegAsm.exe (PID: 1744)
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.) (82.9) |
|---|---|---|
| .dll | | | Win32 Dynamic Link Library (generic) (7.4) |
| .exe | | | Win32 Executable (generic) (5.1) |
| .exe | | | Generic Win/DOS Executable (2.2) |
| .exe | | | DOS Executable Generic (2.2) |
EXIF
EXE
| ProductVersion: | 3.37.4 |
|---|---|
| ProductName: | FileZilla |
| OriginalFileName: | FileZilla_3.37.4_win32-setup.exe |
| LegalCopyright: | Tim Kosse |
| FileVersion: | 3.37.4 |
| FileDescription: | FileZilla FTP Client |
| CompanyName: | Tim Kosse |
| CharacterSet: | Unicode |
| LanguageCode: | English (U.S.) |
| FileSubtype: | - |
| ObjectFileType: | Executable application |
| FileOS: | Win32 |
| FileFlags: | (none) |
| FileFlagsMask: | 0x0000 |
| ProductVersionNumber: | 3.37.4.0 |
| FileVersionNumber: | 3.37.4.0 |
| Subsystem: | Windows GUI |
| SubsystemVersion: | 4 |
| ImageVersion: | - |
| OSVersion: | 4 |
| EntryPoint: | 0xa40ae |
| UninitializedDataSize: | - |
| InitializedDataSize: | 164352 |
| CodeSize: | 664064 |
| LinkerVersion: | 11 |
| PEType: | PE32 |
| TimeStamp: | 2018:11:05 19:28:10+01:00 |
| MachineType: | Intel 386 or later, and compatibles |
Summary
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 05-Nov-2018 18:28:10 |
| Detected languages: |
|
| Debug artifacts: |
|
| CompanyName: | Tim Kosse |
| FileDescription: | FileZilla FTP Client |
| FileVersion: | 3.37.4 |
| LegalCopyright: | Tim Kosse |
| OriginalFilename: | FileZilla_3.37.4_win32-setup.exe |
| ProductName: | FileZilla |
| ProductVersion: | 3.37.4 |
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-Nov-2018 18:28:10 |
| 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 | 0x000A20B4 | 0x000A2200 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 4.50777 |
.rsrc | 0x000A6000 | 0x00027F42 | 0x00028000 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 5.14639 |
.reloc | 0x000CE000 | 0x0000000C | 0x00000200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ | 0.10191 |
Resources
Title | Entropy | Size | Codepage | Language | Type |
|---|---|---|---|---|---|
0 | 3.04267 | 118 | Latin 1 / Western European | English - United States | RT_GROUP_ICON |
1 | 5.00112 | 490 | Latin 1 / Western European | UNKNOWN | RT_MANIFEST |
2 | 5.22417 | 38056 | Latin 1 / Western European | English - United States | RT_ICON |
3 | 5.26122 | 21640 | Latin 1 / Western European | English - United States | RT_ICON |
4 | 4.99772 | 16936 | Latin 1 / Western European | English - United States | RT_ICON |
5 | 5.41907 | 9640 | Latin 1 / Western European | English - United States | RT_ICON |
6 | 5.35151 | 4264 | Latin 1 / Western European | English - United States | RT_ICON |
7 | 5.73383 | 2440 | Latin 1 / Western European | English - United States | RT_ICON |
8 | 5.68114 | 1128 | Latin 1 / Western European | English - United States | RT_ICON |
Imports
mscoree.dll |
Total processes
34
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 |
|---|---|---|---|---|
| 700 | "C:\Users\admin\AppData\Local\Temp\po.exe" | C:\Users\admin\AppData\Local\Temp\po.exe | explorer.exe | |
User: admin Company: Tim Kosse Integrity Level: MEDIUM Description: FileZilla FTP Client Exit code: 0 Version: 3.37.4 | ||||
| 3484 | C:\Windows\system32\DllHost.exe /Processid:{76D0CB12-7604-4048-B83C-1005C7DDC503} | C:\Windows\system32\DllHost.exe | — | svchost.exe |
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: COM Surrogate Version: 6.1.7600.16385 (win7_rtm.090713-1255) | ||||
| 1744 | "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe" | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | po.exe | |
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Microsoft .NET Assembly Registration Utility Version: 4.6.1055.0 built by: NETFXREL2 | ||||
Total events
757
Read events
749
Write events
8
Delete events
0
Modification events
| (PID) Process: | (700) po.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Shell Extensions\Cached |
| Operation: | write | Name: | {FFE2A43C-56B9-4BF5-9A79-CC6D4285608A} {00000122-0000-0000-C000-000000000046} 0xFFFF |
Value: 010000000000000082D99B087B77D401 | |||
| (PID) Process: | (700) po.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Direct3D\MostRecentApplication |
| Operation: | write | Name: | Name |
Value: po.exe | |||
| (PID) Process: | — | Key: | HKEY_CURRENT_USER\Software\Microsoft\Direct3D\MostRecentApplication |
| Operation: | write | Name: | Name |
Value: DllHost.exe | |||
| (PID) Process: | (1744) RegAsm.exe | Key: | HKEY_CURRENT_USER |
| Operation: | write | Name: | di |
Value: ! | |||
| (PID) Process: | (1744) RegAsm.exe | Key: | HKEY_CURRENT_USER\Environment |
| Operation: | write | Name: | SEE_MASK_NOZONECHECKS |
Value: 1 | |||
| (PID) Process: | (1744) RegAsm.exe | Key: | HKEY_CURRENT_USER\Software\6b521c0170a2946734b0a5f000030886 |
| Operation: | write | Name: | [kl] |
Value: | |||
Executable files
1
Suspicious files
0
Text files
2
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 700 | po.exe | C:\Users\admin\AppData\Roaming\fFYiVYOyKvUq.jpg | image | |
MD5:8B5707D4FA9CEC26819E6991E26F6356 | SHA256:9B7C821EAC6DC965E4093698B6ED1154CEDAB1F9D6B38644597915970BA12010 | |||
| 700 | po.exe | C:\ProgramData\ooooo\ooooo.exe | executable | |
MD5:2872008AD51FCA4C383F41D62D03F385 | SHA256:D3755BE2034711B3F76F9FB91740C23312B7083D1DF0DD15D934C78378AA6BA1 | |||
| 700 | po.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\po.url | text | |
MD5:FF1CEFB2E930E6B0DFF2209EE4445FE5 | SHA256:0A43313A8BFEADFD8C564E83F2BAE9F7A6CB575862DF1F525168A9A20C31295F | |||
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 |
|---|---|---|---|---|---|---|
1744 | RegAsm.exe | 23.105.131.148:8786 | xcv2345892734hjsdf872384.publicvm.com | Nobis Technology Group, LLC | US | malicious |
DNS requests
Domain | IP | Reputation |
|---|---|---|
xcv2345892734hjsdf872384.publicvm.com |
| malicious |
Threats
PID | Process | Class | Message |
|---|---|---|---|
1744 | RegAsm.exe | A Network Trojan was detected | MALWARE [PTsecurity] njRAT.Gen RAT outbound connection |
3 ETPRO signatures available at the full report