| File name: | pop.exe |
| Full analysis: | https://app.any.run/tasks/4b58241f-7c30-4ff6-aa90-2e1ecc09058f |
| 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: | July 13, 2022, 23:16:28 |
| 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: | 75636C55D42A1384F32E4BF195EB572A |
| SHA1: | 73F3212AA7676E50BBEDE3A1AA55C3A591087A00 |
| SHA256: | A72A4E1444E8A68185D3DD2FD9D47D3507976616F44AEB46C4B9384134A11FB0 |
| SSDEEP: | 12288:AgXVjGaGnDAyyx8Sny9uF1rA/UnLnaPCQ8ozTvBQIOttV8weiuq1Cu61phEyadTH:5aDe7frakoaozTvBMttV8wdp176TUTH |
MALICIOUS
Drops executable file immediately after starts
- pop.exe (PID: 2908)
- RegAsm.exe (PID: 3212)
NANOCORE was detected
- RegAsm.exe (PID: 3212)
Changes the autorun value in the registry
- RegAsm.exe (PID: 3212)
Application was dropped or rewritten from another process
- RegAsm.exe (PID: 3212)
NANOCORE detected by memory dumps
- RegAsm.exe (PID: 3212)
SUSPICIOUS
Checks supported languages
- pop.exe (PID: 2908)
- RegAsm.exe (PID: 3212)
Reads the computer name
- pop.exe (PID: 2908)
- RegAsm.exe (PID: 3212)
Executable content was dropped or overwritten
- pop.exe (PID: 2908)
- RegAsm.exe (PID: 3212)
Drops a file with a compile date too recent
- pop.exe (PID: 2908)
- RegAsm.exe (PID: 3212)
Creates files in the user directory
- RegAsm.exe (PID: 3212)
INFO
No info indicators.
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
Nanocore
(PID) Process(3212) RegAsm.exe
KeyboardLoggingTrue
BuildTime2022-07-13 02:57:42.746000
Version1.2.2.0
Mutex47bfd6bb-b68b-4f1f-a3b6-e931011c1493
DefaultGroupBACK FOR GOOD
PrimaryConnectionHostamechi.duckdns.org
BackupConnectionHostamechi.duckdns.org
ConnectionPort4190
RunOnStartupTrue
RequestElevationFalse
BypassUserAccountControlFalse
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.) (56.7) |
|---|---|---|
| .exe | | | Win64 Executable (generic) (21.3) |
| .scr | | | Windows screen saver (10.1) |
| .dll | | | Win32 Dynamic Link Library (generic) (5) |
| .exe | | | Win32 Executable (generic) (3.4) |
EXIF
EXE
| MIMEType: | - |
|---|---|
| ProductVersion: | 11,2,0,11156 |
| ProductName: | WPS Office |
| OriginalFileName: | KPacket_xa.exe |
| LegalCopyright: | Copyright©2022 Kingsoft Corporation. All rights reserved. |
| InternalName: | KPacket_xa |
| FileVersion: | 11,2,0,11156 |
| FileDescription: | WPS Install Application |
| CompanyName: | Zhuhai Kingsoft Office Software Co.,Ltd |
| CharacterSet: | Unicode |
| LanguageCode: | Neutral |
| FileSubtype: | - |
| ObjectFileType: | Unknown |
| FileOS: | Windows NT 32-bit |
| FileFlags: | (none) |
| FileFlagsMask: | 0x003f |
| ProductVersionNumber: | 11.2.0.11156 |
| FileVersionNumber: | 11.2.0.11156 |
| Subsystem: | Windows GUI |
| SubsystemVersion: | 4 |
| ImageVersion: | - |
| OSVersion: | 4 |
| EntryPoint: | 0xe88fe |
| UninitializedDataSize: | - |
| InitializedDataSize: | 20480 |
| CodeSize: | 944640 |
| LinkerVersion: | 11 |
| PEType: | PE32 |
| TimeStamp: | 2022:07:14 00:24:15+02:00 |
| MachineType: | Intel 386 or later, and compatibles |
Summary
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 13-Jul-2022 22:24:15 |
| Detected languages: |
|
| CompanyName: | Zhuhai Kingsoft Office Software Co.,Ltd |
| FileDescription: | WPS Install Application |
| FileVersion: | 11,2,0,11156 |
| InternalName: | KPacket_xa |
| LegalCopyright: | Copyright©2022 Kingsoft Corporation. All rights reserved. |
| OriginalFilename: | KPacket_xa.exe |
| ProductName: | WPS Office |
| ProductVersion: | 11,2,0,11156 |
| MIMEType: | - |
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: | 13-Jul-2022 22:24:15 |
| 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 | 0x000E6904 | 0x000E6A00 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 7.56571 |
.rsrc | 0x000EA000 | 0x00004CE7 | 0x00004E00 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 4.94335 |
.reloc | 0x000F0000 | 0x0000000C | 0x00000200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ | 0.0815394 |
Resources
Title | Entropy | Size | Codepage | Language | Type |
|---|---|---|---|---|---|
1 | 5.31968 | 999 | UNKNOWN | UNKNOWN | RT_MANIFEST |
MICROSOFTEDPENLIGHTENEDAPPINFO | 1 | 2 | UNKNOWN | UNKNOWN | EDPENLIGHTENEDAPPINFOID |
MAINICON | 1.7815 | 20 | UNKNOWN | UNKNOWN | RT_GROUP_ICON |
Imports
mscoree.dll |
Total processes
36
Monitored processes
2
Malicious processes
2
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2908 | "C:\Users\admin\AppData\Local\Temp\pop.exe" | C:\Users\admin\AppData\Local\Temp\pop.exe | Explorer.EXE | ||||||||||||
User: admin Company: Zhuhai Kingsoft Office Software Co.,Ltd Integrity Level: MEDIUM Description: WPS Install Application Exit code: 0 Version: 11,2,0,11156 Modules
| |||||||||||||||
| 3212 | "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe" | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | pop.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Microsoft .NET Assembly Registration Utility Exit code: 0 Version: 4.0.30319.34209 built by: FX452RTMGDR Modules
Nanocore(PID) Process(3212) RegAsm.exe KeyboardLoggingTrue BuildTime2022-07-13 02:57:42.746000 Version1.2.2.0 Mutex47bfd6bb-b68b-4f1f-a3b6-e931011c1493 DefaultGroupBACK FOR GOOD PrimaryConnectionHostamechi.duckdns.org BackupConnectionHostamechi.duckdns.org ConnectionPort4190 RunOnStartupTrue RequestElevationFalse BypassUserAccountControlFalse 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 | |||||||||||||||
Total events
1 406
Read events
1 397
Write events
9
Delete events
0
Modification events
| (PID) Process: | (2908) pop.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | ProxyBypass |
Value: 1 | |||
| (PID) Process: | (2908) pop.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | IntranetName |
Value: 1 | |||
| (PID) Process: | (2908) pop.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | UNCAsIntranet |
Value: 1 | |||
| (PID) Process: | (2908) pop.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | AutoDetect |
Value: 0 | |||
| (PID) Process: | (3212) 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
0
Text files
1
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 2908 | pop.exe | C:\Users\admin\AppData\Local\Temp\My miner 2.exe | executable | |
MD5:— | SHA256:— | |||
| 3212 | RegAsm.exe | C:\Users\admin\AppData\Roaming\90059C37-1320-41A4-B58D-2B75A9850D2F\run.dat | text | |
MD5:— | SHA256:— | |||
| 3212 | RegAsm.exe | C:\Users\admin\AppData\Roaming\90059C37-1320-41A4-B58D-2B75A9850D2F\TCP Monitor\tcpmon.exe | executable | |
MD5:0134814AD4F6572AFA2DACF6B455E00F | SHA256:1A3BBF6F2ABFA4DC657A51EEDF5FA2D6CEF29C9461520990DEB36B97614EB2CF | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
51
DNS requests
17
Threats
18
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 |
|---|---|---|---|---|---|---|
3212 | RegAsm.exe | 194.5.98.222:4190 | amechi.duckdns.org | — | FR | malicious |
— | — | 194.5.98.222:4190 | amechi.duckdns.org | — | FR | malicious |
DNS requests
Domain | IP | Reputation |
|---|---|---|
amechi.duckdns.org |
| malicious |
Threats
PID | Process | Class | Message |
|---|---|---|---|
3212 | RegAsm.exe | Misc activity | ET INFO DYNAMIC_DNS Query to *.duckdns. Domain |
3212 | RegAsm.exe | Misc activity | ET INFO DYNAMIC_DNS Query to *.duckdns. Domain |
3212 | RegAsm.exe | Misc activity | ET INFO DYNAMIC_DNS Query to *.duckdns. Domain |
3212 | RegAsm.exe | Misc activity | ET INFO DYNAMIC_DNS Query to *.duckdns. Domain |
3212 | RegAsm.exe | Misc activity | ET INFO DYNAMIC_DNS Query to *.duckdns. Domain |
3212 | RegAsm.exe | Misc activity | ET INFO DYNAMIC_DNS Query to *.duckdns. Domain |
3212 | RegAsm.exe | Misc activity | ET INFO DYNAMIC_DNS Query to *.duckdns. Domain |
3212 | RegAsm.exe | Misc activity | ET INFO DYNAMIC_DNS Query to *.duckdns. Domain |
3212 | RegAsm.exe | Misc activity | ET INFO DYNAMIC_DNS Query to *.duckdns. Domain |
3212 | RegAsm.exe | Misc activity | ET INFO DYNAMIC_DNS Query to *.duckdns. Domain |