| File name: | #515695.rar |
| Full analysis: | https://app.any.run/tasks/d26acfaa-7461-4ebc-b4da-654f5ef75b51 |
| 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: | July 17, 2019, 05:21:51 |
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 32 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/x-rar |
| File info: | RAR archive data, v5 |
| MD5: | D178F9D70B870EA240ABA0C2357EDF64 |
| SHA1: | B03FD1E600CA36A32A8136984C0BADD24D0C1029 |
| SHA256: | 6961A96DDD8C2D54C65257A68A226E80EFEC8E283CA1A75A75F72A01A0B2BF7D |
| SSDEEP: | 12288:q/VG97ZWkwEloubApVd9TPCWhMuTwK5MRHfOuhVsR8UQcxl:TTzRApxCGXWxGEVE8UdL |
MALICIOUS
Application was dropped or rewritten from another process
- menu.exe (PID: 4036)
- menu.exe (PID: 2496)
- menu.exe (PID: 3652)
- menu.exe (PID: 2988)
Connects to CnC server
- menu.exe (PID: 2496)
NanoCore was detected
- menu.exe (PID: 2496)
Changes the autorun value in the registry
- menu.exe (PID: 2496)
SUSPICIOUS
Writes to a desktop.ini file (may be used to cloak folders)
- WinRAR.exe (PID: 3544)
Executable content was dropped or overwritten
- menu.exe (PID: 3652)
- WinRAR.exe (PID: 3544)
- menu.exe (PID: 2496)
Creates files in the user directory
- menu.exe (PID: 3652)
- menu.exe (PID: 4036)
- menu.exe (PID: 2988)
- menu.exe (PID: 2496)
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
39
Monitored processes
8
Malicious processes
3
Suspicious processes
2
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2496 | "C:\Users\admin\AppData\Roaming\menu.exe" | C:\Users\admin\AppData\Roaming\menu.exe | menu.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Exit code: 0 Modules
| |||||||||||||||
| 2500 | "C:\Windows\system32\NOTEPAD.EXE" C:\Users\admin\AppData\Roaming\Secret.txt | C:\Windows\system32\NOTEPAD.EXE | — | menu.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Notepad Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 2864 | "C:\Windows\system32\NOTEPAD.EXE" C:\Users\admin\AppData\Roaming\Secret.txt | C:\Windows\system32\NOTEPAD.EXE | — | menu.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Notepad Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 2988 | "C:\Users\admin\AppData\Local\Temp\Rar$EXa3544.43969\#515695\menu.exe" | C:\Users\admin\AppData\Local\Temp\Rar$EXa3544.43969\#515695\menu.exe | — | WinRAR.exe | |||||||||||
User: admin Company: fierce Integrity Level: MEDIUM Description: departmentkey Exit code: 0 Version: 15.5.24.34 Modules
| |||||||||||||||
| 3420 | "C:\Windows\system32\NOTEPAD.EXE" C:\Users\admin\AppData\Roaming\Secret.txt | C:\Windows\system32\NOTEPAD.EXE | — | menu.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Notepad Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 3544 | "C:\Program Files\WinRAR\WinRAR.exe" "C:\Users\admin\AppData\Local\Temp\#515695.rar" | C:\Program Files\WinRAR\WinRAR.exe | explorer.exe | ||||||||||||
User: admin Company: Alexander Roshal Integrity Level: MEDIUM Description: WinRAR archiver Exit code: 0 Version: 5.60.0 Modules
| |||||||||||||||
| 3652 | "C:\Users\admin\AppData\Local\Temp\Rar$EXa3544.43898\#515695\menu.exe" | C:\Users\admin\AppData\Local\Temp\Rar$EXa3544.43898\#515695\menu.exe | WinRAR.exe | ||||||||||||
User: admin Company: fierce Integrity Level: MEDIUM Description: departmentkey Exit code: 0 Version: 15.5.24.34 Modules
| |||||||||||||||
| 4036 | "C:\Users\admin\AppData\Local\Temp\Rar$EXa3544.44019\#515695\menu.exe" | C:\Users\admin\AppData\Local\Temp\Rar$EXa3544.44019\#515695\menu.exe | — | WinRAR.exe | |||||||||||
User: admin Company: fierce Integrity Level: MEDIUM Description: departmentkey Exit code: 0 Version: 15.5.24.34 Modules
| |||||||||||||||
Total events
1 563
Read events
1 541
Write events
22
Delete events
0
Modification events
| (PID) Process: | (3544) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\Interface\Themes |
| Operation: | write | Name: | ShellExtBMP |
Value: | |||
| (PID) Process: | (3544) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\Interface\Themes |
| Operation: | write | Name: | ShellExtIcon |
Value: | |||
| (PID) Process: | (3544) WinRAR.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\70\52C64B7E |
| Operation: | write | Name: | LanguageList |
Value: en-US | |||
| (PID) Process: | (3544) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\ArcHistory |
| Operation: | write | Name: | 0 |
Value: C:\Users\admin\AppData\Local\Temp\#515695.rar | |||
| (PID) Process: | (3544) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | name |
Value: 120 | |||
| (PID) Process: | (3544) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | size |
Value: 80 | |||
| (PID) Process: | (3544) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | type |
Value: 120 | |||
| (PID) Process: | (3544) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | mtime |
Value: 100 | |||
| (PID) Process: | (3544) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | UNCAsIntranet |
Value: 0 | |||
| (PID) Process: | (3544) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | AutoDetect |
Value: 1 | |||
Executable files
14
Suspicious files
3
Text files
15
Unknown types
1
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 3544 | WinRAR.exe | C:\Users\admin\AppData\Local\Temp\Rar$EXa3544.43898\README.txt | text | |
MD5:— | SHA256:— | |||
| 3652 | menu.exe | C:\Users\admin\AppData\Roaming\menu.exe | executable | |
MD5:— | SHA256:— | |||
| 3544 | WinRAR.exe | C:\Users\admin\AppData\Local\Temp\Rar$EXa3544.43898\#515695\menu.exe | executable | |
MD5:— | SHA256:— | |||
| 3544 | WinRAR.exe | C:\Users\admin\AppData\Local\Temp\Rar$EXa3544.43969\README.txt | text | |
MD5:— | SHA256:— | |||
| 3652 | menu.exe | C:\Users\admin\AppData\Roaming\Secret.txt | text | |
MD5:— | SHA256:— | |||
| 3544 | WinRAR.exe | C:\Users\admin\AppData\Local\Temp\Rar$EXa3544.43969\#515695\background.png | image | |
MD5:— | SHA256:— | |||
| 2988 | menu.exe | C:\Users\admin\AppData\Roaming\Secret.txt | text | |
MD5:— | SHA256:— | |||
| 2496 | menu.exe | C:\Users\admin\AppData\Roaming\90059C37-1320-41A4-B58D-2B75A9850D2F\run.dat | binary | |
MD5:— | SHA256:— | |||
| 3544 | WinRAR.exe | C:\Users\admin\AppData\Local\Temp\Rar$EXa3544.43969\#515695\menu.exe | executable | |
MD5:— | SHA256:— | |||
| 3544 | WinRAR.exe | C:\Users\admin\AppData\Local\Temp\Rar$EXa3544.43898\#515695\background.png | image | |
MD5:— | SHA256:— | |||
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
11
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 |
|---|---|---|---|---|---|---|
2496 | menu.exe | 8.8.8.8:53 | — | Google Inc. | US | malicious |
2496 | menu.exe | 18.188.14.65:10754 | 0.tcp.ngrok.io | — | US | shared |
DNS requests
Domain | IP | Reputation |
|---|---|---|
0.tcp.ngrok.io |
| malicious |
Threats
PID | Process | Class | Message |
|---|---|---|---|
2496 | menu.exe | Potential Corporate Privacy Violation | ET POLICY DNS Query to a *.ngrok domain (ngrok.io) |
2496 | menu.exe | A Network Trojan was detected | ET TROJAN Possible NanoCore C2 60B |
2496 | menu.exe | A Network Trojan was detected | MALWARE [PTsecurity] NanoCore.RAT |
2496 | menu.exe | A Network Trojan was detected | MALWARE [PTsecurity] NanoCore.RAT |
2496 | menu.exe | A Network Trojan was detected | MALWARE [PTsecurity] NanoCore.RAT |
2496 | menu.exe | A Network Trojan was detected | ET TROJAN Possible NanoCore C2 64B |
2496 | menu.exe | A Network Trojan was detected | ET TROJAN Possible NanoCore C2 60B |
2496 | menu.exe | A Network Trojan was detected | MALWARE [PTsecurity] NanoCore.RAT |
3 ETPRO signatures available at the full report