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| download: | 4987390470493.z |
| Full analysis: | https://app.any.run/tasks/fe687d48-6917-4032-aa88-545030637b4a |
| 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 $25 from its “official” website. |
| Analysis date: | August 13, 2019, 15:49:02 |
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 32 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/x-rar |
| File info: | RAR archive data, v5 |
| MD5: | C2A6298EE3312BC855F16D5E39710F7B |
| SHA1: | BA78A9068AED1C447A69A1997AECBED839A2332E |
| SHA256: | E55D97797DCD24635EB3982AA49C13FD3E1D17EA5D79E25B858368CC9E39D89B |
| SSDEEP: | 6144:n+22YiqPXQt0sd0KXI7y4htUrVohREieqje1g+T:+22YikAtOljkowiAF |
MALICIOUS
Application was dropped or rewritten from another process
- 4987390470493.scr (PID: 2764)
- RegAsm.exe (PID: 2312)
NanoCore was detected
- RegAsm.exe (PID: 2312)
Changes the autorun value in the registry
- RegAsm.exe (PID: 2312)
SUSPICIOUS
Executable content was dropped or overwritten
- WinRAR.exe (PID: 3168)
- RegAsm.exe (PID: 2312)
Starts application with an unusual extension
- WinRAR.exe (PID: 3168)
Creates files in the user directory
- RegAsm.exe (PID: 2312)
INFO
No info indicators.
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .rar | | | RAR compressed archive (v5.0) (61.5) |
|---|---|---|
| .rar | | | RAR compressed archive (gen) (38.4) |
Total processes
37
Monitored processes
3
Malicious processes
3
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process |
|---|---|---|---|---|
| 3168 | "C:\Program Files\WinRAR\WinRAR.exe" "C:\Users\admin\Desktop\4987390470493.z" | C:\Program Files\WinRAR\WinRAR.exe | explorer.exe | |
User: admin Company: Alexander Roshal Integrity Level: MEDIUM Description: WinRAR archiver Version: 5.60.0 | ||||
| 2764 | "C:\Users\admin\AppData\Local\Temp\Rar$DIa3168.41223\4987390470493.scr" /S | C:\Users\admin\AppData\Local\Temp\Rar$DIa3168.41223\4987390470493.scr | — | WinRAR.exe |
User: admin Company: ungullibility Integrity Level: MEDIUM Description: Aequiculi Exit code: 0 Version: 3.6.6.0 | ||||
| 2312 | "C:\Users\admin\AppData\Local\Temp\Rar$DIa3168.41223\4987390470493.scr" /S | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | 4987390470493.scr | |
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Microsoft .NET Assembly Registration Utility Version: 2.0.50727.5420 (Win7SP1.050727-5400) | ||||
Total events
458
Read events
443
Write events
15
Delete events
0
Modification events
| (PID) Process: | (3168) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\Interface\Themes |
| Operation: | write | Name: | ShellExtBMP |
Value: | |||
| (PID) Process: | (3168) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\Interface\Themes |
| Operation: | write | Name: | ShellExtIcon |
Value: | |||
| (PID) Process: | (3168) WinRAR.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\72\52C64B7E |
| Operation: | write | Name: | LanguageList |
Value: en-US | |||
| (PID) Process: | (3168) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\ArcHistory |
| Operation: | write | Name: | 0 |
Value: C:\Users\admin\Desktop\4987390470493.z | |||
| (PID) Process: | (3168) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | name |
Value: 120 | |||
| (PID) Process: | (3168) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | size |
Value: 80 | |||
| (PID) Process: | (3168) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | type |
Value: 120 | |||
| (PID) Process: | (3168) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | mtime |
Value: 100 | |||
| (PID) Process: | (3168) WinRAR.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\72\52C64B7E |
| Operation: | write | Name: | @shell32,-10162 |
Value: Screen saver | |||
| (PID) Process: | (3168) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | UNCAsIntranet |
Value: 0 | |||
Executable files
2
Suspicious files
1
Text files
0
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 2312 | RegAsm.exe | C:\Users\admin\AppData\Roaming\90059C37-1320-41A4-B58D-2B75A9850D2F\run.dat | binary | |
MD5:F49549E8C6CE201B4C69A6D35AF91609 | SHA256:FF4F07DF6DE4679D71DF6FF954E55D7184CE52512691B66B4418671F2DFAE00E | |||
| 3168 | WinRAR.exe | C:\Users\admin\AppData\Local\Temp\Rar$DIa3168.41223\4987390470493.scr | executable | |
MD5:B2FA3140F8CAE7A0D47530AF9D9FBB7C | SHA256:7C9BC742EBCA47D609478E156E62F29957642C725B5F020430C1D8C8E39C3B8A | |||
| 2312 | RegAsm.exe | C:\Users\admin\AppData\Roaming\90059C37-1320-41A4-B58D-2B75A9850D2F\TCP Monitor\tcpmon.exe | executable | |
MD5:278EDBD499374BF73621F8C1F969D894 | SHA256:C6999B9F79932C3B4F1C461A69D9DC8DC301D6A155ABC33EFE1B6E9E4A038391 | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
12
DNS requests
0
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 |
|---|---|---|---|---|---|---|
2312 | RegAsm.exe | 79.134.225.52:1993 | — | Andreas Fink trading as Fink Telecom Services | CH | malicious |