| File name: | Sample1.zip |
| Full analysis: | https://app.any.run/tasks/f2685a3b-f4d4-4aed-a965-b1e85f94fd93 |
| 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: | January 17, 2020, 19:15:03 |
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 32 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/zip |
| File info: | Zip archive data, at least v2.0 to extract |
| MD5: | FF63FCA734D9196C0147C32CE6BCE832 |
| SHA1: | 5BB852EE3A1EB84CC493C9D22E151E617A887B01 |
| SHA256: | 0224A990AA2D6E6C8AB472A19E2AD74A17BCB580F63B0531206497360107E6D3 |
| SSDEEP: | 768:rdV2v52tpM7lVh7wG8AAWJzqla+pJd5eYWw48RN6DKnTrq3YF8S+KFLmMkcOEqnV:re0QlVhVVAe4a+Xd5etyNLTrqImSFqHP |
MALICIOUS
NANOCORE was detected
- RegAsm.exe (PID: 1712)
Application was dropped or rewritten from another process
- ayy.exe (PID: 3048)
Connects to CnC server
- RegAsm.exe (PID: 1712)
SUSPICIOUS
Creates files in the user directory
- RegAsm.exe (PID: 1712)
Connects to unusual port
- RegAsm.exe (PID: 1712)
INFO
Manual execution by user
- ayy.exe (PID: 3048)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .zip | | | ZIP compressed archive (100) |
|---|
EXIF
ZIP
| ZipRequiredVersion: | 788 |
|---|---|
| ZipBitFlag: | 0x0001 |
| ZipCompression: | Deflated |
| ZipModifyDate: | 2020:01:17 19:13:22 |
| ZipCRC: | 0x5df891f1 |
| ZipCompressedSize: | 48163 |
| ZipUncompressedSize: | 122880 |
| ZipFileName: | bba9259b271c906fa90ed3987315b72b76657c0b425d461e7147710808dca860.bin |
Total processes
39
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 | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1712 | "C:\Users\admin\Desktop\ayy.exe" | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | ayy.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Microsoft .NET Assembly Registration Utility Exit code: 0 Version: 2.0.50727.5420 (Win7SP1.050727-5400) Modules
| |||||||||||||||
| 1972 | "C:\Program Files\WinRAR\WinRAR.exe" "C:\Users\admin\AppData\Local\Temp\Sample1.zip" | 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
| |||||||||||||||
| 3048 | "C:\Users\admin\Desktop\ayy.exe" | C:\Users\admin\Desktop\ayy.exe | — | explorer.exe | |||||||||||
User: admin Company: absoluti Integrity Level: MEDIUM Exit code: 0 Version: 1.00 Modules
| |||||||||||||||
Total events
594
Read events
534
Write events
60
Delete events
0
Modification events
| (PID) Process: | (1972) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\Interface\Themes |
| Operation: | write | Name: | ShellExtBMP |
Value: | |||
| (PID) Process: | (1972) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\Interface\Themes |
| Operation: | write | Name: | ShellExtIcon |
Value: | |||
| (PID) Process: | (1972) WinRAR.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\12B\52C64B7E |
| Operation: | write | Name: | LanguageList |
Value: en-US | |||
| (PID) Process: | (1972) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\ArcHistory |
| Operation: | write | Name: | 0 |
Value: C:\Users\admin\AppData\Local\Temp\Sample1.zip | |||
| (PID) Process: | (1972) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | name |
Value: 120 | |||
| (PID) Process: | (1972) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | size |
Value: 80 | |||
| (PID) Process: | (1972) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | type |
Value: 120 | |||
| (PID) Process: | (1972) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | mtime |
Value: 100 | |||
| (PID) Process: | (1972) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\FileList\ArcColumnWidths |
| Operation: | write | Name: | name |
Value: 120 | |||
| (PID) Process: | (1972) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\FileList\ArcColumnWidths |
| Operation: | write | Name: | size |
Value: 80 | |||
Executable files
0
Suspicious files
5
Text files
2
Unknown types
1
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 1972 | WinRAR.exe | C:\Users\admin\AppData\Local\Temp\__rzi_1972.3963 | — | |
MD5:— | SHA256:— | |||
| 1972 | WinRAR.exe | C:\Users\admin\AppData\Local\Temp\Rar$DRb1972.4132\ayy.exe | — | |
MD5:— | SHA256:— | |||
| 3048 | ayy.exe | C:\Users\admin\AppData\Local\Temp\~DFE282AEC6E3CB2EDB.TMP | binary | |
MD5:— | SHA256:— | |||
| 1972 | WinRAR.exe | C:\Users\admin\AppData\Local\Temp\Sample1.zip | compressed | |
MD5:— | SHA256:— | |||
| 1712 | RegAsm.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Cookies\admin@google[1].txt | text | |
MD5:— | SHA256:— | |||
| 1712 | RegAsm.exe | C:\Users\admin\AppData\Roaming\90059C37-1320-41A4-B58D-2B75A9850D2F\run.dat | text | |
MD5:— | SHA256:— | |||
| 1712 | RegAsm.exe | C:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\LH043OAM\Pastelachy_encrypted_EC0C04F[1].bin | binary | |
MD5:— | SHA256:— | |||
| 1712 | RegAsm.exe | C:\Users\admin\AppData\Roaming\90059C37-1320-41A4-B58D-2B75A9850D2F\catalog.dat | bs | |
MD5:822E7FE00E2173CB5212587A1FDF24EE | SHA256:CAE40891D4DB69BB9C9E328BBC7B98C9DF3E55BC245F8F31BCD5BB57932D078F | |||
| 1712 | RegAsm.exe | C:\Users\admin\AppData\Roaming\90059C37-1320-41A4-B58D-2B75A9850D2F\storage.dat | binary | |
MD5:4D784935677AE26ACDC3FB84FA1E6CF8 | SHA256:C77E2D82DB9066E4DBFDE3AE0461A4259505F435EC0DB2CE3BD005BE0E2DE67C | |||
| 1712 | RegAsm.exe | C:\Users\admin\AppData\Roaming\90059C37-1320-41A4-B58D-2B75A9850D2F\settings.bin | binary | |
MD5:4E5E92E2369688041CC82EF9650EDED2 | SHA256:F8098A6290118F2944B9E7C842BD014377D45844379F863B00D54515A8A64B48 | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
13
DNS requests
7
Threats
104
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 |
|---|---|---|---|---|---|---|
1712 | RegAsm.exe | 216.58.210.14:443 | drive.google.com | Google Inc. | US | whitelisted |
1712 | RegAsm.exe | 216.58.206.1:443 | doc-10-c4-docs.googleusercontent.com | Google Inc. | US | whitelisted |
1712 | RegAsm.exe | 185.244.30.8:5626 | sherimix.duckdns.org | — | — | malicious |
1712 | RegAsm.exe | 8.8.8.8:53 | — | Google Inc. | US | malicious |
DNS requests
Domain | IP | Reputation |
|---|---|---|
drive.google.com |
| shared |
doc-10-c4-docs.googleusercontent.com |
| whitelisted |
sherimix.duckdns.org |
| malicious |
departdec.duckdns.org |
| unknown |
Threats
PID | Process | Class | Message |
|---|---|---|---|
1712 | RegAsm.exe | Misc activity | ET INFO DYNAMIC_DNS Query to *.duckdns. Domain |
1712 | RegAsm.exe | A Network Trojan was detected | REMOTE [PTsecurity] NanoCore.RAT |
1712 | RegAsm.exe | A Network Trojan was detected | REMOTE [PTsecurity] NanoCore.RAT |
1712 | RegAsm.exe | A Network Trojan was detected | REMOTE [PTsecurity] NanoCore.RAT |
1712 | RegAsm.exe | A Network Trojan was detected | REMOTE [PTsecurity] NanoCore.RAT |
1712 | RegAsm.exe | A Network Trojan was detected | REMOTE [PTsecurity] NanoCore.RAT |
1712 | RegAsm.exe | A Network Trojan was detected | REMOTE [PTsecurity] NanoCore.RAT |
1712 | RegAsm.exe | A Network Trojan was detected | REMOTE [PTsecurity] NanoCore.RAT |
1712 | RegAsm.exe | A Network Trojan was detected | REMOTE [PTsecurity] NanoCore.RAT |
1712 | RegAsm.exe | A Network Trojan was detected | REMOTE [PTsecurity] NanoCore.RAT |
74 ETPRO signatures available at the full report