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| 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
Connects to CnC server
- test.exe (PID: 2228)
NANOCORE was detected
- test.exe (PID: 2228)
Runs app for hidden code execution
- test.exe (PID: 2228)
NANOCORE detected by memory dumps
- 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)
Reads Environment values
- test.exe (PID: 2228)
Starts CMD.EXE for commands execution
- 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
BackupDnsServer8.8.4.4
PrimaryDnsServer8.8.8.8
UseCustomDnsServerTrue
GCThreshold10485760
MaxPacketSize10485760
BufferSize65535
WanTimeout8000
LanTimeout2500
MutexTimeout5000
KeepAliveTimeout30000
TimeoutInterval5000
RestartDelay5000
ConnectDelay4000
RunDelay0
EnableDebugModeFalse
ActivateAwayModeFalse
PreventSystemSleepTrue
SetCriticalProcessFalse
ClearAccessControlFalse
ClearZoneIdentifierTrue
BypassUserAccountControlTrue
RequestElevationFalse
RunOnStartupFalse
ConnectionPort1608
BackupConnectionHost127.0.0.1
PrimaryConnectionHost130.61.146.95
DefaultGroupDefault
Mutex21c65ece-77c0-40cf-b105-201cc18acbcc
Version1.2.2.0
BuildTime2022-06-27 10:57:08.984528
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 |
|---|---|---|---|---|
| 2228 | "C:\Users\admin\AppData\Local\Temp\test.exe" | C:\Users\admin\AppData\Local\Temp\test.exe | Explorer.EXE | |
User: admin Integrity Level: MEDIUM Nanocore(PID) Process(2228) test.exe BackupDnsServer8.8.4.4 PrimaryDnsServer8.8.8.8 UseCustomDnsServerTrue GCThreshold10485760 MaxPacketSize10485760 BufferSize65535 WanTimeout8000 LanTimeout2500 MutexTimeout5000 KeepAliveTimeout30000 TimeoutInterval5000 RestartDelay5000 ConnectDelay4000 RunDelay0 EnableDebugModeFalse ActivateAwayModeFalse PreventSystemSleepTrue SetCriticalProcessFalse ClearAccessControlFalse ClearZoneIdentifierTrue BypassUserAccountControlTrue RequestElevationFalse RunOnStartupFalse ConnectionPort1608 BackupConnectionHost127.0.0.1 PrimaryConnectionHost130.61.146.95 DefaultGroupDefault Mutex21c65ece-77c0-40cf-b105-201cc18acbcc Version1.2.2.0 BuildTime2022-06-27 10:57:08.984528 | ||||
| 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) | ||||
| 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) | ||||
| 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) | ||||
| 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 Version: 6.1.7600.16385 (win7_rtm.090713-1255) | ||||
Total events
942
Read events
940
Write events
0
Delete events
0
Modification events
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 | |
MD5:5DBE2C1895EFF3DC3E2B9399B610634B | SHA256:EB13D8C45B276554851F120D881B8B418DB8A5C8B3D4D0CA5B653D5AD27A17E6 | |||
| 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
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 |
|---|---|---|---|---|---|---|
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