| download: | SKMBT-94059493488577463745.pdf.ace |
| Full analysis: | https://app.any.run/tasks/5ed25fe0-e10a-48c3-b11a-30ab2cdbba3e |
| 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: | March 14, 2019, 10:59:10 |
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 32 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/x-rar |
| File info: | RAR archive data, v5 |
| MD5: | 2940DA5521ECA611B96D7609741DE4BB |
| SHA1: | 04EE5F90CB1F8702DDF8067F59B765DE257DC9DA |
| SHA256: | 4BA4F07835AD9AD287BBD053C6F7B40CC8B71EDC50CD3E0EBA543144CD24FE15 |
| SSDEEP: | 6144:ioOQm5c2adOp+iAwvFkybpCpvKhwpM/4+CrhAvKRlv2l49Oxa9FensbMEqLy+tWX:z5DfwvhbGcw6wnhcSsa9OxaL07bLy+tq |
MALICIOUS
Application was dropped or rewritten from another process
- SKMBT-94059493488577463745.pdf.scr (PID: 2504)
- 14th march.exe (PID: 3020)
- 14th march.exe (PID: 1852)
Writes to a start menu file
- 14th march.exe (PID: 3020)
NanoCore was detected
- 14th march.exe (PID: 1852)
Changes the autorun value in the registry
- 14th march.exe (PID: 1852)
SUSPICIOUS
Executable content was dropped or overwritten
- cmd.exe (PID: 3388)
- 14th march.exe (PID: 1852)
Creates files in the user directory
- cmd.exe (PID: 3388)
- 14th march.exe (PID: 3020)
- 14th march.exe (PID: 1852)
Application launched itself
- 14th march.exe (PID: 3020)
Starts CMD.EXE for commands execution
- SKMBT-94059493488577463745.pdf.scr (PID: 2504)
Connects to unusual port
- 14th march.exe (PID: 1852)
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
40
Monitored processes
7
Malicious processes
4
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1852 | "C:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\14th march.exe" | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\14th march.exe | 14th march.exe | ||||||||||||
User: admin Company: TMC LEMN INVEST SRL Integrity Level: MEDIUM Description: Outlook Express Backup plugin Exit code: 0 Version: 10.14.20.1 Modules
| |||||||||||||||
| 2372 | "C:\Windows\System32\cmd.exe" /c, "C:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\14th march.exe" | C:\Windows\System32\cmd.exe | — | SKMBT-94059493488577463745.pdf.scr | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Command Processor Exit code: 0 Version: 6.1.7601.17514 (win7sp1_rtm.101119-1850) Modules
| |||||||||||||||
| 2504 | "C:\Users\admin\Desktop\SKMBT-94059493488577463745.pdf.scr" /S | C:\Users\admin\Desktop\SKMBT-94059493488577463745.pdf.scr | — | explorer.exe | |||||||||||
User: admin Company: TMC LEMN INVEST SRL Integrity Level: MEDIUM Description: Outlook Express Backup plugin Exit code: 0 Version: 10.14.20.1 Modules
| |||||||||||||||
| 2752 | "C:\Program Files\WinRAR\WinRAR.exe" "C:\Users\admin\AppData\Local\Temp\SKMBT-94059493488577463745.pdf.ace.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
| |||||||||||||||
| 3020 | "C:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\14th march.exe" | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\14th march.exe | cmd.exe | ||||||||||||
User: admin Company: TMC LEMN INVEST SRL Integrity Level: MEDIUM Description: Outlook Express Backup plugin Exit code: 0 Version: 10.14.20.1 Modules
| |||||||||||||||
| 3388 | "C:\Windows\System32\cmd.exe" /c copy "C:\Users\admin\Desktop\SKMBT-94059493488577463745.pdf.scr" "C:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\14th march.exe" | C:\Windows\System32\cmd.exe | SKMBT-94059493488577463745.pdf.scr | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Command Processor Exit code: 0 Version: 6.1.7601.17514 (win7sp1_rtm.101119-1850) Modules
| |||||||||||||||
| 3948 | "C:\Windows\system32\taskmgr.exe" /4 | C:\Windows\system32\taskmgr.exe | — | explorer.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Task Manager Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
Total events
915
Read events
889
Write events
26
Delete events
0
Modification events
| (PID) Process: | (2752) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\Interface\Themes |
| Operation: | write | Name: | ShellExtBMP |
Value: | |||
| (PID) Process: | (2752) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\Interface\Themes |
| Operation: | write | Name: | ShellExtIcon |
Value: | |||
| (PID) Process: | (2752) WinRAR.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\5F\52C64B7E |
| Operation: | write | Name: | LanguageList |
Value: en-US | |||
| (PID) Process: | (2752) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\ArcHistory |
| Operation: | write | Name: | 0 |
Value: C:\Users\admin\AppData\Local\Temp\SKMBT-94059493488577463745.pdf.ace.rar | |||
| (PID) Process: | (2752) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | name |
Value: 120 | |||
| (PID) Process: | (2752) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | size |
Value: 80 | |||
| (PID) Process: | (2752) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | type |
Value: 120 | |||
| (PID) Process: | (2752) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | mtime |
Value: 100 | |||
| (PID) Process: | (2752) WinRAR.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\5F\52C64B7E |
| Operation: | write | Name: | @shell32,-10162 |
Value: Screen saver | |||
| (PID) Process: | (2504) SKMBT-94059493488577463745.pdf.scr | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | UNCAsIntranet |
Value: 0 | |||
Executable files
2
Suspicious files
0
Text files
1
Unknown types
1
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 2752 | WinRAR.exe | C:\Users\admin\AppData\Local\Temp\Rar$DRa2752.17853\SKMBT-94059493488577463745.pdf.scr | — | |
MD5:— | SHA256:— | |||
| 3020 | 14th march.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\14th march.lnk | lnk | |
MD5:— | SHA256:— | |||
| 3388 | cmd.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\14th march.exe | executable | |
MD5:— | SHA256:— | |||
| 1852 | 14th march.exe | C:\Users\admin\AppData\Roaming\90059C37-1320-41A4-B58D-2B75A9850D2F\run.dat | text | |
MD5:— | SHA256:— | |||
| 1852 | 14th march.exe | C:\Users\admin\AppData\Roaming\90059C37-1320-41A4-B58D-2B75A9850D2F\TCP Monitor\tcpmon.exe | executable | |
MD5:— | SHA256:— | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
3
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 |
|---|---|---|---|---|---|---|
1852 | 14th march.exe | 45.249.90.124:1313 | — | Korea Telecom | KR | malicious |
DNS requests
Domain | IP | Reputation |
|---|---|---|
dns.msftncsi.com |
| shared |