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| File name: | Documents.exe |
| Full analysis: | https://app.any.run/tasks/21c23f75-7ac3-452b-b1aa-8f49714e4827 |
| 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: | April 25, 2019, 16:04:16 |
| 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: | 9E72E14FFBDD56AC7A7D2696D580D907 |
| SHA1: | E115FF0DFF279E48EFA1697098F648F1082C4952 |
| SHA256: | C2D459255C287B4102B4227D911D5DE54E5CEF5DE5CD12551D57D13E02A37D22 |
| SSDEEP: | 24576:3AHnh+eWsN3skA4RV1Hom2KXMmHasHJp6wc7WutP9N4TizTi5:qh+ZkldoPK8YasetP9yTYE |
MALICIOUS
Application was dropped or rewritten from another process
- RegAsm.exe (PID: 300)
Writes to a start menu file
- Documents.exe (PID: 1020)
Changes the autorun value in the registry
- RegAsm.exe (PID: 300)
NanoCore was detected
- RegAsm.exe (PID: 300)
Connects to CnC server
- RegAsm.exe (PID: 300)
SUSPICIOUS
Executable content was dropped or overwritten
- RegAsm.exe (PID: 300)
- Documents.exe (PID: 1020)
Creates files in the user directory
- Documents.exe (PID: 1020)
- RegAsm.exe (PID: 300)
INFO
No info indicators.
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .exe | | | Win64 Executable (generic) (64.6) |
|---|---|---|
| .dll | | | Win32 Dynamic Link Library (generic) (15.4) |
| .exe | | | Win32 Executable (generic) (10.5) |
| .exe | | | Generic Win/DOS Executable (4.6) |
| .exe | | | DOS Executable Generic (4.6) |
EXIF
EXE
| ProductVersion: | 486.712.352.670 |
|---|---|
| ProductName: | LicenseManagerShellext |
| LegalCopyright: | DWWIN |
| FileVersion: | 853.748.859.278 |
| CompanyName: | IMESEARCH |
| OriginalFileName: | netbtugc.exe |
| FileDescription: | change |
| CharacterSet: | Unicode |
| LanguageCode: | English (U.S.) |
| FileSubtype: | - |
| ObjectFileType: | Dynamic link library |
| FileOS: | Win32 |
| FileFlags: | (none) |
| FileFlagsMask: | 0x0000 |
| ProductVersionNumber: | 1.0.0.0 |
| FileVersionNumber: | 1.0.0.0 |
| Subsystem: | Windows GUI |
| SubsystemVersion: | 5.1 |
| ImageVersion: | - |
| OSVersion: | 5.1 |
| EntryPoint: | 0x2800a |
| UninitializedDataSize: | - |
| InitializedDataSize: | 1157632 |
| CodeSize: | 581632 |
| LinkerVersion: | 12 |
| PEType: | PE32 |
| TimeStamp: | 2019:04:25 15:36:19+02:00 |
| MachineType: | Intel 386 or later, and compatibles |
Summary
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 25-Apr-2019 13:36:19 |
| Detected languages: |
|
| FileDescription: | change |
| OriginalFilename: | netbtugc.exe |
| CompanyName: | IMESEARCH |
| FileVersion: | 853.748.859.278 |
| LegalCopyright: | DWWIN |
| ProductName: | LicenseManagerShellext |
| ProductVersion: | 486.712.352.670 |
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: | 0x00000110 |
PE Headers
| Signature: | PE |
|---|---|
| Machine: | IMAGE_FILE_MACHINE_I386 |
| Number of sections: | 5 |
| Time date stamp: | 25-Apr-2019 13:36:19 |
| 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 | 0x0008DFDD | 0x0008E000 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 6.67525 |
.rdata | 0x0008F000 | 0x0002FD8E | 0x0002FE00 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 5.76324 |
.data | 0x000BF000 | 0x00008F74 | 0x00005200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 1.19638 |
.rsrc | 0x000C8000 | 0x000DE7C8 | 0x000DE800 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 5.42719 |
.reloc | 0x001A7000 | 0x00007134 | 0x00007200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ | 6.78396 |
Resources
Title | Entropy | Size | Codepage | Language | Type |
|---|---|---|---|---|---|
1 | 5.40026 | 1007 | Latin 1 / Western European | English - United Kingdom | RT_MANIFEST |
2 | 2.05883 | 296 | Latin 1 / Western European | English - United Kingdom | RT_ICON |
3 | 2.25499 | 296 | Latin 1 / Western European | English - United Kingdom | RT_ICON |
4 | 3.02898 | 270376 | Latin 1 / Western European | English - United Kingdom | RT_ICON |
5 | 4.33597 | 1128 | Latin 1 / Western European | English - United Kingdom | RT_ICON |
6 | 3.62239 | 9640 | Latin 1 / Western European | English - United Kingdom | RT_ICON |
7 | 3.34702 | 1428 | Latin 1 / Western European | English - United Kingdom | RT_STRING |
8 | 3.2817 | 1674 | Latin 1 / Western European | English - United Kingdom | RT_STRING |
9 | 3.28849 | 1168 | Latin 1 / Western European | English - United Kingdom | RT_STRING |
10 | 3.28373 | 1532 | Latin 1 / Western European | English - United Kingdom | RT_STRING |
Imports
ADVAPI32.dll |
COMCTL32.dll |
COMDLG32.dll |
GDI32.dll |
IPHLPAPI.DLL |
KERNEL32.dll |
MPR.dll |
OLEAUT32.dll |
PSAPI.DLL |
SHELL32.dll |
Total processes
33
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 |
|---|---|---|---|---|
| 1020 | "C:\Users\admin\AppData\Local\Temp\Documents.exe" | C:\Users\admin\AppData\Local\Temp\Documents.exe | explorer.exe | |
User: admin Company: IMESEARCH Integrity Level: MEDIUM Description: change Exit code: 0 Version: 853.748.859.278 | ||||
| 300 | "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe" | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | Documents.exe | |
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Microsoft .NET Assembly Registration Utility Version: 2.0.50727.5420 (Win7SP1.050727-5400) | ||||
| 3520 | "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 Version: 6.1.7600.16385 (win7_rtm.090713-1255) | ||||
Total events
56
Read events
55
Write events
1
Delete events
0
Modification events
| (PID) Process: | (300) RegAsm.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run |
| Operation: | write | Name: | TCP Monitor |
Value: C:\Users\admin\AppData\Roaming\90059C37-1320-41A4-B58D-2B75A9850D2F\TCP Monitor\tcpmon.exe | |||
Executable files
2
Suspicious files
2
Text files
3
Unknown types
1
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 1020 | Documents.exe | C:\Users\admin\AuditShD\attrib.vbs | text | |
MD5:556742625AD121EDA6C47971223561FD | SHA256:B0CF3155072A6B4CF4A5658614EB5091895EBAEF87CF03F0687362CF9078EF9F | |||
| 1020 | Documents.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\attrib.url | text | |
MD5:E7292094D3CF15CFE5AD20DF8917FF34 | SHA256:514743625EBBDCEE913AE6840B67AC21C2BE2E8772E27412EA8A5D23F6E996BB | |||
| 300 | RegAsm.exe | C:\Users\admin\AppData\Roaming\90059C37-1320-41A4-B58D-2B75A9850D2F\run.dat | text | |
MD5:CA4E818388477C83880C1B68EAF07D52 | SHA256:C892CA87FE402A294B2E66419FD947171AF42B7D11FEEF153BAEC9A2E9E88F59 | |||
| 1020 | Documents.exe | C:\Users\admin\AuditShD\ScriptRunner.exe | executable | |
MD5:8F98E9835D7FFCBE7FBAB713587997AE | SHA256:E99838F383466E2D78AF41465FE2D06B8E060347C583E7124ED0B25926F67676 | |||
| 300 | RegAsm.exe | C:\Users\admin\AppData\Roaming\90059C37-1320-41A4-B58D-2B75A9850D2F\TCP Monitor\tcpmon.exe | executable | |
MD5:278EDBD499374BF73621F8C1F969D894 | SHA256:C6999B9F79932C3B4F1C461A69D9DC8DC301D6A155ABC33EFE1B6E9E4A038391 | |||
| 300 | RegAsm.exe | C:\Users\admin\AppData\Roaming\90059C37-1320-41A4-B58D-2B75A9850D2F\storage.dat | binary | |
MD5:653DDDCB6C89F6EC51F3DDC0053C5914 | SHA256:83B9CAE66800C768887FB270728F6806CBEBDEAD9946FA730F01723847F17FF9 | |||
| 300 | RegAsm.exe | C:\Users\admin\AppData\Roaming\90059C37-1320-41A4-B58D-2B75A9850D2F\settings.bin | binary | |
MD5:4E5E92E2369688041CC82EF9650EDED2 | SHA256:F8098A6290118F2944B9E7C842BD014377D45844379F863B00D54515A8A64B48 | |||
| 300 | RegAsm.exe | C:\Users\admin\AppData\Roaming\90059C37-1320-41A4-B58D-2B75A9850D2F\catalog.dat | bs | |
MD5:9E7D0351E4DF94A9B0BADCEB6A9DB963 | SHA256:AAFC7B40C5FE680A2BB549C3B90AABAAC63163F74FFFC0B00277C6BBFF88B757 | |||
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
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 |
|---|---|---|---|---|---|---|
300 | RegAsm.exe | 8.8.8.8:53 | — | Google Inc. | US | whitelisted |
300 | RegAsm.exe | 185.247.228.151:7019 | sunnyslock.publicvm.com | — | — | malicious |
DNS requests
Domain | IP | Reputation |
|---|---|---|
sunnyslock.publicvm.com |
| malicious |
Threats
PID | Process | Class | Message |
|---|---|---|---|
300 | RegAsm.exe | A Network Trojan was detected | ET TROJAN Possible NanoCore C2 60B |
300 | RegAsm.exe | A Network Trojan was detected | MALWARE [PTsecurity] NanoCore.RAT |
300 | RegAsm.exe | A Network Trojan was detected | ET TROJAN Possible NanoCore C2 60B |
300 | RegAsm.exe | A Network Trojan was detected | MALWARE [PTsecurity] NanoCore.RAT |
300 | RegAsm.exe | A Network Trojan was detected | MALWARE [PTsecurity] NanoCore.RAT |
300 | RegAsm.exe | A Network Trojan was detected | MALWARE [PTsecurity] NanoCore.RAT |
300 | RegAsm.exe | A Network Trojan was detected | MALWARE [PTsecurity] NanoCore.RAT |
300 | RegAsm.exe | A Network Trojan was detected | ET TROJAN Possible NanoCore C2 64B |
300 | RegAsm.exe | A Network Trojan was detected | ET TROJAN Possible NanoCore C2 64B |
300 | RegAsm.exe | A Network Trojan was detected | MALWARE [PTsecurity] NanoCore.RAT |
59 ETPRO signatures available at the full report