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| download: | wcs.exe |
| Full analysis: | https://app.any.run/tasks/48f5e145-7431-41c5-b3fa-ff06112a743f |
| 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: | May 21, 2019, 01:34:10 |
| 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, RAR self-extracting archive |
| MD5: | 8A5FEDB7F04D9DC99765CA5F75E63CE7 |
| SHA1: | C11CAA748C38496BD0FE400EFDEBC14697F6B235 |
| SHA256: | 48F1C0F82E6CA1E247D3A279DD3A2731D7B0BB6889F2719AF738106E1E4D6F0B |
| SSDEEP: | 24576:f2O/GlY2uizxxUiz55PC9ikr6YqNwmxhKbH3rUO46GES9:ritxZQikrGwmxUT3iz9 |
MALICIOUS
Changes the autorun value in the registry
- hwu.exe (PID: 2408)
Application was dropped or rewritten from another process
- hwu.exe (PID: 2408)
- hwu.exe (PID: 3040)
NanoCore was detected
- RegSvcs.exe (PID: 3596)
Connects to CnC server
- RegSvcs.exe (PID: 3596)
SUSPICIOUS
Drop AutoIt3 executable file
- wcs.exe (PID: 3072)
Executable content was dropped or overwritten
- wcs.exe (PID: 3072)
Application launched itself
- hwu.exe (PID: 3040)
Creates files in the user directory
- RegSvcs.exe (PID: 3596)
INFO
Dropped object may contain Bitcoin addresses
- hwu.exe (PID: 3040)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .exe | | | Win32 Executable MS Visual C++ (generic) (35.8) |
|---|---|---|
| .exe | | | Win64 Executable (generic) (31.7) |
| .scr | | | Windows screen saver (15) |
| .dll | | | Win32 Dynamic Link Library (generic) (7.5) |
| .exe | | | Win32 Executable (generic) (5.1) |
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2012:06:09 15:19:49+02:00 |
| PEType: | PE32 |
| LinkerVersion: | 9 |
| CodeSize: | 74752 |
| InitializedDataSize: | 58880 |
| UninitializedDataSize: | - |
| EntryPoint: | 0xac87 |
| OSVersion: | 5 |
| ImageVersion: | - |
| SubsystemVersion: | 5 |
| Subsystem: | Windows GUI |
Summary
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 09-Jun-2012 13:19:49 |
| Detected languages: |
|
| Debug artifacts: |
|
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: | 0x000000F0 |
PE Headers
| Signature: | PE |
|---|---|
| Machine: | IMAGE_FILE_MACHINE_I386 |
| Number of sections: | 5 |
| Time date stamp: | 09-Jun-2012 13:19:49 |
| 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 | 0x0001231E | 0x00012400 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 6.55555 |
.rdata | 0x00014000 | 0x00001D15 | 0x00001E00 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 4.99401 |
.data | 0x00016000 | 0x00017724 | 0x00000200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 3.54914 |
.CRT | 0x0002E000 | 0x00000020 | 0x00000200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 0.394141 |
.rsrc | 0x0002F000 | 0x0000C2C0 | 0x0000C400 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 6.57442 |
Resources
Title | Entropy | Size | Codepage | Language | Type |
|---|---|---|---|---|---|
1 | 5.20816 | 1464 | Latin 1 / Western European | English - United States | RT_MANIFEST |
7 | 3.24143 | 556 | Latin 1 / Western European | English - United States | RT_STRING |
8 | 3.26996 | 974 | Latin 1 / Western European | English - United States | RT_STRING |
9 | 3.04375 | 530 | Latin 1 / Western European | English - United States | RT_STRING |
10 | 3.16254 | 776 | Latin 1 / Western European | English - United States | RT_STRING |
11 | 3.06352 | 380 | Latin 1 / Western European | English - United States | RT_STRING |
12 | 2.33959 | 102 | Latin 1 / Western European | English - United States | RT_STRING |
100 | 1.91924 | 20 | Latin 1 / Western European | Process Default Language | RT_GROUP_ICON |
101 | 4.19099 | 2998 | Latin 1 / Western European | English - United States | RT_BITMAP |
ASKNEXTVOL | 3.42597 | 646 | Latin 1 / Western European | English - United States | RT_DIALOG |
Imports
ADVAPI32.dll |
COMCTL32.dll |
COMDLG32.dll |
GDI32.dll |
KERNEL32.dll |
OLEAUT32.dll |
SHELL32.dll |
SHLWAPI.dll |
USER32.dll |
ole32.dll |
Total processes
36
Monitored processes
4
Malicious processes
4
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process |
|---|---|---|---|---|
| 3072 | "C:\Users\admin\AppData\Local\Temp\wcs.exe" | C:\Users\admin\AppData\Local\Temp\wcs.exe | explorer.exe | |
User: admin Integrity Level: MEDIUM Exit code: 0 | ||||
| 3040 | "C:\Users\admin\AppData\Local\Temp\31060754\hwu.exe" crf=nwv | C:\Users\admin\AppData\Local\Temp\31060754\hwu.exe | — | wcs.exe |
User: admin Company: AutoIt Team Integrity Level: MEDIUM Description: AutoIt v3 Script Exit code: 0 Version: 3, 3, 14, 5 | ||||
| 2408 | C:\Users\admin\AppData\Local\Temp\31060754\hwu.exe C:\Users\admin\AppData\Local\Temp\31060754\TKGJP | C:\Users\admin\AppData\Local\Temp\31060754\hwu.exe | hwu.exe | |
User: admin Company: AutoIt Team Integrity Level: MEDIUM Description: AutoIt v3 Script Exit code: 0 Version: 3, 3, 14, 5 | ||||
| 3596 | "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe" | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe | hwu.exe | |
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Microsoft .NET Services Installation Utility Version: 4.6.1055.0 built by: NETFXREL2 | ||||
Total events
396
Read events
390
Write events
6
Delete events
0
Modification events
| (PID) Process: | (3072) wcs.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | UNCAsIntranet |
Value: 0 | |||
| (PID) Process: | (3072) wcs.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | AutoDetect |
Value: 1 | |||
| (PID) Process: | (2408) hwu.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run |
| Operation: | write | Name: | winlogon.exe |
Value: C:\Users\admin\AppData\Local\Temp\31060754\hwu.exe C:\Users\admin\AppData\Local\Temp\31060754\CRF_NW~1 | |||
Executable files
1
Suspicious files
2
Text files
46
Unknown types
1
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 3072 | wcs.exe | C:\Users\admin\AppData\Local\Temp\31060754\vrs.xl | text | |
MD5:7F94F68F514EB5E8DAC4C02622FB4B67 | SHA256:1AB3B5AEF37E9D80100984859C65D056DEEAD14B59EC6BB19261F9D1A9B5776B | |||
| 3072 | wcs.exe | C:\Users\admin\AppData\Local\Temp\31060754\ButtonConstants.jpg | text | |
MD5:70E265F0DC04FC965708A143CCF8335E | SHA256:EE00AF6BC7A82FC03C364071BB44699A9A4AC084776AF424E86A3BB1BE3A5214 | |||
| 3072 | wcs.exe | C:\Users\admin\AppData\Local\Temp\31060754\tdk.mp4 | text | |
MD5:803D611D8DD7CCC9C994D49C04748040 | SHA256:68E8E50C466F35A086353854DFC0D5700455CA645EDE876E82340E952AD4B425 | |||
| 3072 | wcs.exe | C:\Users\admin\AppData\Local\Temp\31060754\xfx.dat | text | |
MD5:E3DC0B02360DA4B1F8E8BF8C0A45BA9C | SHA256:BAFB7B648A1AC91A515174183773472100727CD55FFB96F998E47E448EB8BA2A | |||
| 3072 | wcs.exe | C:\Users\admin\AppData\Local\Temp\31060754\hrg.ico | text | |
MD5:D200FAE2D8241C9B9D09726F353C4F28 | SHA256:D4E697969E6C902447A17DD6185C2E3A3EEFBA2AE12DFE512CFC3679802BB81E | |||
| 3072 | wcs.exe | C:\Users\admin\AppData\Local\Temp\31060754\evm.dat | text | |
MD5:76CE74CADF393548C33976FCB692FD08 | SHA256:876353D5DB8E9EFBFCEF21BECCC54EA4BBD3D42314D604ABA3B8DF5187ECB9E1 | |||
| 3072 | wcs.exe | C:\Users\admin\AppData\Local\Temp\31060754\ComboConstants.pdf | text | |
MD5:22341186D3871B975EB6CC5B34AD39DD | SHA256:9ACE36DFF85940BE7BADC07FAF768F9685959EF91925A89663D9C1A759647BEB | |||
| 3072 | wcs.exe | C:\Users\admin\AppData\Local\Temp\31060754\qfg.docx | text | |
MD5:B9EBC53B3592D0573A2A61EA5B9DA3E8 | SHA256:237ABF2EBCEB71EEBC8721ED96D1A8B2EED7C24A26ECA4628544412A4E6983F1 | |||
| 3072 | wcs.exe | C:\Users\admin\AppData\Local\Temp\31060754\fgv.icm | text | |
MD5:780F64AAE6D026FC5944704DE9D80F7D | SHA256:8CA0227AC778F7CA7896DCA651051F819D5DB116C30135577A86DBD9808B02EC | |||
| 3072 | wcs.exe | C:\Users\admin\AppData\Local\Temp\31060754\crf=nwv | text | |
MD5:9CD7C11433C311817FB347E2D06749E3 | SHA256:82BC863C3B2EC2FCE59F825FA06045835B76F93E0AA1E66016DB5DAE5A98753E | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
34
DNS requests
20
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 |
|---|---|---|---|---|---|---|
3596 | RegSvcs.exe | 105.112.96.41:58442 | bitcoinonemmusdbkup.duckdns.org | — | NG | unknown |
3596 | RegSvcs.exe | 8.8.8.8:53 | — | Google Inc. | US | whitelisted |
3596 | RegSvcs.exe | 160.202.163.240:58442 | bitcoinonemmusdbkup.duckdns.org | Korea Telecom | KR | malicious |
DNS requests
Domain | IP | Reputation |
|---|---|---|
bitcoinonemmusdbkup.duckdns.org |
| malicious |
dns.msftncsi.com |
| shared |
Threats
PID | Process | Class | Message |
|---|---|---|---|
3596 | RegSvcs.exe | Misc activity | ET INFO DYNAMIC_DNS Query to *.duckdns. Domain |
3596 | RegSvcs.exe | Misc activity | ET INFO DYNAMIC_DNS Query to *.duckdns. Domain |
3596 | RegSvcs.exe | Misc activity | ET INFO DYNAMIC_DNS Query to *.duckdns. Domain |
3596 | RegSvcs.exe | Misc activity | ET INFO DYNAMIC_DNS Query to *.duckdns. Domain |
3596 | RegSvcs.exe | Misc activity | ET INFO DYNAMIC_DNS Query to *.duckdns. Domain |
3596 | RegSvcs.exe | A Network Trojan was detected | ET TROJAN Possible NanoCore C2 64B |
3596 | RegSvcs.exe | A Network Trojan was detected | MALWARE [PTsecurity] NanoCore.RAT |
3596 | RegSvcs.exe | A Network Trojan was detected | MALWARE [PTsecurity] NanoCore.RAT |
3596 | RegSvcs.exe | A Network Trojan was detected | MALWARE [PTsecurity] NanoCore.RAT |
3596 | RegSvcs.exe | A Network Trojan was detected | ET TROJAN Possible NanoCore C2 64B |
50 ETPRO signatures available at the full report