| File name: | test.exe |
| Full analysis: | https://app.any.run/tasks/a6087d94-4465-44a5-8553-fc30ae3fd21b |
| 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: | June 27, 2022, 10:57:30 |
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 32 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/x-dosexec |
| File info: | PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows |
| MD5: | FA3BAFB6B340BC058FF4D008001D1642 |
| SHA1: | A886D11E1EBE8321F4E153D225167C25AA727B1F |
| SHA256: | 9C97D650D1BB8A28813060D4ABFEDEDE12D8E7A658545E5874557DF85B48ACF6 |
| SSDEEP: | 3072:MzEqV6B1jHa6dtJ10jgvzcgi+oG/j9iaMP2s/HIgfsC6wwBLsjAIZnB/nFgMbszE:MLV6Bta6dtJmakIM53+LsjAcW/zhIRT |
MALICIOUS
NANOCORE detected by memory dumps
- test.exe (PID: 2228)
Runs app for hidden code execution
- test.exe (PID: 2228)
Connects to CnC server
- test.exe (PID: 2228)
NANOCORE was detected
- test.exe (PID: 2228)
SUSPICIOUS
Checks supported languages
- test.exe (PID: 2228)
- cmd.exe (PID: 3800)
Reads the computer name
- test.exe (PID: 2228)
Creates files in the user directory
- test.exe (PID: 2228)
Starts CMD.EXE for commands execution
- test.exe (PID: 2228)
Reads Environment values
- test.exe (PID: 2228)
Checks for external IP
- nslookup.exe (PID: 1512)
- nslookup.exe (PID: 3308)
Executed via COM
- DllHost.exe (PID: 3032)
INFO
Checks supported languages
- nslookup.exe (PID: 1512)
- nslookup.exe (PID: 3308)
- DllHost.exe (PID: 3032)
Reads the computer name
- nslookup.exe (PID: 1512)
- nslookup.exe (PID: 3308)
- DllHost.exe (PID: 3032)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
Nanocore
(PID) Process(2228) test.exe
BuildTime2022-06-27 10:57:08.984528
Version1.2.2.0
Mutex21c65ece-77c0-40cf-b105-201cc18acbcc
DefaultGroupDefault
PrimaryConnectionHost130.61.146.95
BackupConnectionHost127.0.0.1
ConnectionPort1608
RunOnStartupFalse
RequestElevationFalse
BypassUserAccountControlTrue
ClearZoneIdentifierTrue
ClearAccessControlFalse
SetCriticalProcessFalse
PreventSystemSleepTrue
ActivateAwayModeFalse
EnableDebugModeFalse
RunDelay0
ConnectDelay4000
RestartDelay5000
TimeoutInterval5000
KeepAliveTimeout30000
MutexTimeout5000
LanTimeout2500
WanTimeout8000
BufferSize65535
MaxPacketSize10485760
GCThreshold10485760
UseCustomDnsServerTrue
PrimaryDnsServer8.8.8.8
BackupDnsServer8.8.4.4
TRiD
| .exe | | | Generic CIL Executable (.NET, Mono, etc.) (63.1) |
|---|---|---|
| .exe | | | Win64 Executable (generic) (23.8) |
| .dll | | | Win32 Dynamic Link Library (generic) (5.6) |
| .exe | | | Win32 Executable (generic) (3.8) |
| .exe | | | Generic Win/DOS Executable (1.7) |
EXIF
EXE
| Subsystem: | Windows GUI |
|---|---|
| SubsystemVersion: | 4 |
| ImageVersion: | - |
| OSVersion: | 4 |
| EntryPoint: | 0x1e792 |
| UninitializedDataSize: | - |
| InitializedDataSize: | 90624 |
| CodeSize: | 116736 |
| LinkerVersion: | 6 |
| PEType: | PE32 |
| TimeStamp: | 2015:02:22 01:49:37+01:00 |
| MachineType: | Intel 386 or later, and compatibles |
Summary
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 22-Feb-2015 00:49:37 |
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: | 0x00000080 |
PE Headers
| Signature: | PE |
|---|---|
| Machine: | IMAGE_FILE_MACHINE_I386 |
| Number of sections: | 3 |
| Time date stamp: | 22-Feb-2015 00:49:37 |
| 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 | 0x00002000 | 0x0001C798 | 0x0001C800 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 6.59808 |
.reloc | 0x00020000 | 0x0000000C | 0x00000200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ | 0.10191 |
.rsrc | 0x00022000 | 0x00015FC0 | 0x00016000 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 7.99814 |
Resources
Title | Entropy | Size | Codepage | Language | Type |
|---|---|---|---|---|---|
1 | 7.99828 | 89960 | Latin 1 / Western European | UNKNOWN | RT_RCDATA |
Imports
mscoree.dll |
Total processes
38
Monitored processes
5
Malicious processes
1
Suspicious processes
3
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1512 | nslookup myip.opendns.com resolver1.opendns.com | C:\Windows\system32\nslookup.exe | cmd.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: nslookup Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 2228 | "C:\Users\admin\AppData\Local\Temp\test.exe" | C:\Users\admin\AppData\Local\Temp\test.exe | Explorer.EXE | ||||||||||||
User: admin Integrity Level: MEDIUM Exit code: 0 Modules
Nanocore(PID) Process(2228) test.exe BuildTime2022-06-27 10:57:08.984528 Version1.2.2.0 Mutex21c65ece-77c0-40cf-b105-201cc18acbcc DefaultGroupDefault PrimaryConnectionHost130.61.146.95 BackupConnectionHost127.0.0.1 ConnectionPort1608 RunOnStartupFalse RequestElevationFalse BypassUserAccountControlTrue ClearZoneIdentifierTrue ClearAccessControlFalse SetCriticalProcessFalse PreventSystemSleepTrue ActivateAwayModeFalse EnableDebugModeFalse RunDelay0 ConnectDelay4000 RestartDelay5000 TimeoutInterval5000 KeepAliveTimeout30000 MutexTimeout5000 LanTimeout2500 WanTimeout8000 BufferSize65535 MaxPacketSize10485760 GCThreshold10485760 UseCustomDnsServerTrue PrimaryDnsServer8.8.8.8 BackupDnsServer8.8.4.4 | |||||||||||||||
| 3032 | C:\Windows\system32\DllHost.exe /Processid:{76D0CB12-7604-4048-B83C-1005C7DDC503} | C:\Windows\system32\DllHost.exe | — | svchost.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: COM Surrogate Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 3308 | nslookup myip.opendns.com resolver1.opendns.com | C:\Windows\system32\nslookup.exe | cmd.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: nslookup Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 3800 | "cmd.exe" | C:\Windows\system32\cmd.exe | — | test.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Command Processor Exit code: 4294967295 Version: 6.1.7601.17514 (win7sp1_rtm.101119-1850) Modules
| |||||||||||||||
Total events
942
Read events
940
Write events
2
Delete events
0
Modification events
| (PID) Process: | (3032) DllHost.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Direct3D\MostRecentApplication |
| Operation: | write | Name: | Name |
Value: DllHost.exe | |||
| (PID) Process: | (3032) DllHost.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows Photo Viewer\Viewer |
| Operation: | write | Name: | MainWndPos |
Value: 6000000034000000A00400008002000000000000 | |||
Executable files
0
Suspicious files
2
Text files
1
Unknown types
1
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 2228 | test.exe | C:\Users\admin\AppData\Roaming\90059C37-1320-41A4-B58D-2B75A9850D2F\run.dat | text | |
MD5:— | SHA256:— | |||
| 2228 | test.exe | C:\Users\admin\AppData\Roaming\90059C37-1320-41A4-B58D-2B75A9850D2F\catalog.dat | bs | |
MD5:9E7D0351E4DF94A9B0BADCEB6A9DB963 | SHA256:AAFC7B40C5FE680A2BB549C3B90AABAAC63163F74FFFC0B00277C6BBFF88B757 | |||
| 2228 | test.exe | C:\Users\admin\AppData\Roaming\90059C37-1320-41A4-B58D-2B75A9850D2F\storage.dat | binary | |
MD5:653DDDCB6C89F6EC51F3DDC0053C5914 | SHA256:83B9CAE66800C768887FB270728F6806CBEBDEAD9946FA730F01723847F17FF9 | |||
| 2228 | test.exe | C:\Users\admin\AppData\Roaming\90059C37-1320-41A4-B58D-2B75A9850D2F\settings.bin | binary | |
MD5:AE0F5E6CE7122AF264EC533C6B15A27B | SHA256:73B0B92179C61C26589B47E9732CE418B07EDEE3860EE5A2A5FB06F3B8AA9B26 | |||
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
11
Threats
53
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 |
|---|---|---|---|---|---|---|
2228 | test.exe | 130.61.146.95:1608 | — | Oracle Corporation | US | malicious |
DNS requests
Domain | IP | Reputation |
|---|---|---|
resolver1.opendns.com |
| shared |
222.222.67.208.in-addr.arpa |
| unknown |
myip.opendns.com |
| shared |
Threats
PID | Process | Class | Message |
|---|---|---|---|
2228 | test.exe | A Network Trojan was detected | ET TROJAN Possible NanoCore C2 60B |
2228 | test.exe | A Network Trojan was detected | ET TROJAN Possible NanoCore C2 60B |
2228 | test.exe | A Network Trojan was detected | ET TROJAN Possible NanoCore C2 60B |
1512 | nslookup.exe | Potential Corporate Privacy Violation | ET POLICY External IP Lookup Domain (myip .opendns .com in DNS lookup) |
1512 | nslookup.exe | Potential Corporate Privacy Violation | ET POLICY External IP Lookup Domain (myip .opendns .com in DNS lookup) |
1512 | nslookup.exe | Potential Corporate Privacy Violation | ET POLICY External IP Lookup Domain (myip .opendns .com in DNS lookup) |
1512 | nslookup.exe | Potential Corporate Privacy Violation | ET POLICY External IP Lookup Domain (myip .opendns .com in DNS lookup) |
2228 | test.exe | A Network Trojan was detected | ET TROJAN Possible NanoCore C2 60B |
2228 | test.exe | A Network Trojan was detected | ET TROJAN Possible NanoCore C2 60B |
2228 | test.exe | A Network Trojan was detected | ET TROJAN Possible NanoCore C2 60B |
35 ETPRO signatures available at the full report