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| File name: | J28736.exe |
| Full analysis: | https://app.any.run/tasks/73f71b30-83af-4029-9f4c-241c73cc640e |
| Verdict: | Malicious activity |
| Threats: | NanoCore is a Remote Access Trojan or RAT. This malware is highly customizable with plugins which allow attackers to tailor its functionality to their needs. Nanocore is created with the .NET framework and it’s available for purchase for just $25 from its “official” website. |
| Analysis date: | December 06, 2019, 13:22:17 |
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 32 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/x-dosexec |
| File info: | PE32 executable (GUI) Intel 80386, for MS Windows |
| MD5: | C542F5B3CD9E8953DCCA4390010E8386 |
| SHA1: | 3D0E761AE84C814FBB45A90EF16756B75838B0AC |
| SHA256: | C92ACE4949790378CD51607A2EA95AEF491FA113DAFC0225E8E040496C8A39D8 |
| SSDEEP: | 12288:E5ZpCcs5+iG/x1hzoDsTMpfjLX8LAYx4Ob1a/9wGSwoo:E5ZEz5+iG/x1MsTMprCAYGObVGSw5 |
MALICIOUS
NANOCORE was detected
- RegAsm.ExE (PID: 2960)
Changes the autorun value in the registry
- J28736.exe (PID: 2784)
SUSPICIOUS
Executable content was dropped or overwritten
- J28736.exe (PID: 2784)
Creates files in the user directory
- RegAsm.ExE (PID: 2960)
Connects to unusual port
- RegAsm.ExE (PID: 2960)
INFO
No info indicators.
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .exe | | | Win32 Executable Microsoft Visual Basic 6 (84.4) |
|---|---|---|
| .dll | | | Win32 Dynamic Link Library (generic) (6.7) |
| .exe | | | Win32 Executable (generic) (4.6) |
| .exe | | | Generic Win/DOS Executable (2) |
| .exe | | | DOS Executable Generic (2) |
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2019:11:20 23:37:12+01:00 |
| PEType: | PE32 |
| LinkerVersion: | 6 |
| CodeSize: | 368640 |
| InitializedDataSize: | 16384 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x1d08 |
| OSVersion: | 4 |
| ImageVersion: | 2.5 |
| SubsystemVersion: | 4 |
| Subsystem: | Windows GUI |
| FileVersionNumber: | 0.0.0.0 |
| ProductVersionNumber: | 0.0.0.0 |
| FileFlagsMask: | 0x003f |
| FileFlags: | (none) |
| FileOS: | Win32 |
| ObjectFileType: | Executable application |
| FileSubtype: | - |
| LanguageCode: | Neutral |
| CharacterSet: | Unicode |
| Comments: | KompoZer |
| CompanyName: | Mozilla Foundation |
| FileDescription: | KompoZer |
| FileVersion: | 0.0.0.0 |
| InternalName: | assemblychange.exe |
| LegalCopyright: | License: MPL 1.1/GPL 2.0/LGPL 2.1 |
| LegalTrademarks: | License: MPL 1.1/GPL 2.0/LGPL 2.1 |
| OriginalFileName: | assemblychange.exe |
| ProductName: | KompoZer |
| ProductVersion: | 0.0.0.0 |
| AssemblyVersion: | 0.0.0.0 |
Summary
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 20-Nov-2019 22:37:12 |
| Detected languages: |
|
| Comments: | Quickly and easily organize your Visual Basic project and files. |
| CompanyName: | R.W.A.C. Software |
| FileDescription: | Quickly and easily organize your Visual Basic project and files. |
| LegalCopyright: | Copyright © 2003 R.W.A.C Software. All Rights Reserved. |
| LegalTrademarks: | Copyright © 2003 R.W.A.C Software. All Rights Reserved. |
| ProductName: | VBProject Pro |
| FileVersion: | 2.05 |
| ProductVersion: | 2.05 |
| InternalName: | 2 |
| OriginalFilename: | 2.exe |
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: | 0x000000C0 |
PE Headers
| Signature: | PE |
|---|---|
| Machine: | IMAGE_FILE_MACHINE_I386 |
| Number of sections: | 3 |
| Time date stamp: | 20-Nov-2019 22:37:12 |
| 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 | 0x00001000 | 0x00059C18 | 0x0005A000 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 6.50711 |
.data | 0x0005B000 | 0x00002E14 | 0x00001000 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 0 |
.rsrc | 0x0005E000 | 0x00000DB8 | 0x00001000 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 3.22577 |
Resources
Title | Entropy | Size | Codepage | Language | Type |
|---|---|---|---|---|---|
1 | 3.43495 | 1164 | Unicode (UTF 16LE) | English - United States | RT_VERSION |
30001 | 2.72199 | 744 | Unicode (UTF 16LE) | UNKNOWN | RT_ICON |
30002 | 2.44536 | 296 | Unicode (UTF 16LE) | UNKNOWN | RT_ICON |
Imports
MSVBVM60.DLL |
Total processes
34
Monitored processes
2
Malicious processes
2
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process |
|---|---|---|---|---|
| 2784 | "C:\Users\admin\AppData\Local\Temp\J28736.exe" | C:\Users\admin\AppData\Local\Temp\J28736.exe | explorer.exe | |
User: admin Company: Mozilla Foundation Integrity Level: MEDIUM Description: KompoZer Exit code: 0 Version: 0.0.0.0 | ||||
| 2960 | "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.ExE" | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.ExE | J28736.exe | |
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Microsoft .NET Assembly Registration Utility Version: 2.0.50727.5420 (Win7SP1.050727-5400) | ||||
Total events
18
Read events
17
Write events
1
Delete events
0
Modification events
| (PID) Process: | (2784) J28736.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run |
| Operation: | write | Name: | Nvidia.exe |
Value: C:\Users\admin\AppData\Local\Temp\Nvidia\Nvidia.exe | |||
Executable files
1
Suspicious files
0
Text files
1
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 2784 | J28736.exe | C:\Users\admin\AppData\Local\Temp\Nvidia\Nvidia.exe | executable | |
MD5:C542F5B3CD9E8953DCCA4390010E8386 | SHA256:C92ACE4949790378CD51607A2EA95AEF491FA113DAFC0225E8E040496C8A39D8 | |||
| 2960 | RegAsm.ExE | C:\Users\admin\AppData\Roaming\90059C37-1320-41A4-B58D-2B75A9850D2F\run.dat | text | |
MD5:D037164594B1D4BE37547FAF16AD04B0 | SHA256:E7BEB87592F5E495DF9F36714A5DAEE78A8C575C66576D4691A6402DCE02E279 | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
4
DNS requests
2
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 |
|---|---|---|---|---|---|---|
2960 | RegAsm.ExE | 149.202.233.219:54984 | — | OVH SAS | FR | unknown |
DNS requests
Domain | IP | Reputation |
|---|---|---|
dns.msftncsi.com |
| shared |