| File name: | wpass.exe |
| Full analysis: | https://app.any.run/tasks/da2f7119-5837-437f-a2fe-30416203ef56 |
| 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 20, 2022, 23:43:24 |
| 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: | C44FDBF93CE77D7F3EDD78F4E56DDEB5 |
| SHA1: | A1C2ABFCEC8CECC72799A3AE8B7FB88EF446A4B3 |
| SHA256: | 639BC1470D85EF42EC4925CC4D57C0A69DD21B95418E0AF074C9C5B40E74B896 |
| SSDEEP: | 3072:izEqV6B1jHa6dtJ10jgvzcgi+oG/j9iaMP2s/HILDuGTziui+IOIB3089u1L5WUF:iLV6Bta6dtJmakIM58NilOIW8uxF |
MALICIOUS
NANOCORE was detected
- wpass.exe (PID: 1780)
Drops executable file immediately after starts
- wpass.exe (PID: 1780)
Changes the autorun value in the registry
- wpass.exe (PID: 1780)
NANOCORE detected by memory dumps
- wpass.exe (PID: 1780)
SUSPICIOUS
Checks supported languages
- wpass.exe (PID: 1780)
Reads the computer name
- wpass.exe (PID: 1780)
Executable content was dropped or overwritten
- wpass.exe (PID: 1780)
Reads Environment values
- wpass.exe (PID: 1780)
Creates files in the user directory
- wpass.exe (PID: 1780)
Drops a file with a compile date too recent
- wpass.exe (PID: 1780)
INFO
Manual execution by user
- WINWORD.EXE (PID: 3252)
Checks supported languages
- WINWORD.EXE (PID: 3252)
Reads the computer name
- WINWORD.EXE (PID: 3252)
Creates files in the user directory
- WINWORD.EXE (PID: 3252)
Reads Microsoft Office registry keys
- WINWORD.EXE (PID: 3252)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
Nanocore
(PID) Process(1780) wpass.exe
KeyboardLoggingTrue
BuildTime2021-09-05 17:20:33.925424
Version1.2.2.0
Mutex92dc1058-4abc-4d2f-8d44-689318c144be
DefaultGroupDefault
PrimaryConnectionHostcuckoldfarmer.ddns.net
BackupConnectionHost185.213.155.161
ConnectionPort2264
RunOnStartupTrue
RequestElevationFalse
BypassUserAccountControlFalse
ClearZoneIdentifierTrue
ClearAccessControlFalse
SetCriticalProcessFalse
PreventSystemSleepTrue
ActivateAwayModeTrue
EnableDebugModeFalse
RunDelay0
ConnectDelay4000
RestartDelay5000
TimeoutInterval5000
KeepAliveTimeout30000
MutexTimeout5000
LanTimeout2500
WanTimeout7979
BufferSize65559
MaxPacketSize10485760
GCThreshold10485757
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: | 90112 |
| 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 | 6.59807 |
.reloc | 0x00020000 | 0x0000000C | 0x00000200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ | 0.10191 |
.rsrc | 0x00022000 | 0x00015DA8 | 0x00015E00 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 7.99809 |
Resources
Title | Entropy | Size | Codepage | Language | Type |
|---|---|---|---|---|---|
1 | 7.99831 | 89424 | Latin 1 / Western European | UNKNOWN | RT_RCDATA |
Imports
mscoree.dll |
Total processes
35
Monitored processes
2
Malicious processes
1
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1780 | "C:\Users\admin\AppData\Local\Temp\wpass.exe" | C:\Users\admin\AppData\Local\Temp\wpass.exe | Explorer.EXE | ||||||||||||
User: admin Integrity Level: MEDIUM Exit code: 0 Modules
Nanocore(PID) Process(1780) wpass.exe KeyboardLoggingTrue BuildTime2021-09-05 17:20:33.925424 Version1.2.2.0 Mutex92dc1058-4abc-4d2f-8d44-689318c144be DefaultGroupDefault PrimaryConnectionHostcuckoldfarmer.ddns.net BackupConnectionHost185.213.155.161 ConnectionPort2264 RunOnStartupTrue RequestElevationFalse BypassUserAccountControlFalse ClearZoneIdentifierTrue ClearAccessControlFalse SetCriticalProcessFalse PreventSystemSleepTrue ActivateAwayModeTrue EnableDebugModeFalse RunDelay0 ConnectDelay4000 RestartDelay5000 TimeoutInterval5000 KeepAliveTimeout30000 MutexTimeout5000 LanTimeout2500 WanTimeout7979 BufferSize65559 MaxPacketSize10485760 GCThreshold10485757 UseCustomDnsServerTrue PrimaryDnsServer8.8.8.8 BackupDnsServer8.8.4.4 | |||||||||||||||
| 3252 | "C:\Program Files\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\admin\Desktop\executivepanel.rtf" | C:\Program Files\Microsoft Office\Office14\WINWORD.EXE | — | Explorer.EXE | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Microsoft Word Exit code: 0 Version: 14.0.6024.1000 Modules
| |||||||||||||||
Total events
2 964
Read events
2 658
Write events
165
Delete events
141
Modification events
| (PID) Process: | (1780) wpass.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 | |||
| (PID) Process: | (3252) WINWORD.EXE | Key: | HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Word\Resiliency\StartupItems |
| Operation: | write | Name: | l&= |
Value: 6C263D00B40C0000010000000000000000000000 | |||
| (PID) Process: | (3252) WINWORD.EXE | Key: | HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages |
| Operation: | write | Name: | 1033 |
Value: Off | |||
| (PID) Process: | (3252) WINWORD.EXE | Key: | HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages |
| Operation: | write | Name: | 1041 |
Value: Off | |||
| (PID) Process: | (3252) WINWORD.EXE | Key: | HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages |
| Operation: | write | Name: | 1046 |
Value: Off | |||
| (PID) Process: | (3252) WINWORD.EXE | Key: | HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages |
| Operation: | write | Name: | 1036 |
Value: Off | |||
| (PID) Process: | (3252) WINWORD.EXE | Key: | HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages |
| Operation: | write | Name: | 1031 |
Value: Off | |||
| (PID) Process: | (3252) WINWORD.EXE | Key: | HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages |
| Operation: | write | Name: | 1040 |
Value: Off | |||
| (PID) Process: | (3252) WINWORD.EXE | Key: | HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages |
| Operation: | write | Name: | 1049 |
Value: Off | |||
| (PID) Process: | (3252) WINWORD.EXE | Key: | HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages |
| Operation: | write | Name: | 3082 |
Value: Off | |||
Executable files
1
Suspicious files
0
Text files
2
Unknown types
4
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 3252 | WINWORD.EXE | C:\Users\admin\AppData\Local\Temp\CVRFADC.tmp.cvr | — | |
MD5:— | SHA256:— | |||
| 1780 | wpass.exe | C:\Users\admin\AppData\Roaming\90059C37-1320-41A4-B58D-2B75A9850D2F\run.dat | text | |
MD5:— | SHA256:— | |||
| 3252 | WINWORD.EXE | C:\Users\admin\AppData\Roaming\Microsoft\Templates\~$Normal.dotm | pgc | |
MD5:— | SHA256:— | |||
| 1780 | wpass.exe | C:\Users\admin\AppData\Roaming\90059C37-1320-41A4-B58D-2B75A9850D2F\TCP Monitor\tcpmon.exe | executable | |
MD5:— | SHA256:— | |||
| 3252 | WINWORD.EXE | C:\Users\admin\Desktop\~$ecutivepanel.rtf | pgc | |
MD5:— | SHA256:— | |||
| 3252 | WINWORD.EXE | C:\Users\admin\AppData\Roaming\Microsoft\Office\Recent\index.dat | ini | |
MD5:— | SHA256:— | |||
| 3252 | WINWORD.EXE | C:\Users\admin\AppData\Roaming\Microsoft\Office\Recent\executivepanel.rtf.LNK | lnk | |
MD5:— | SHA256:— | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
12
DNS requests
4
Threats
3
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 |
|---|---|---|---|---|---|---|
1780 | wpass.exe | 185.65.134.179:2264 | cuckoldfarmer.ddns.net | 31173 Services AB | NL | malicious |
1780 | wpass.exe | 185.213.155.161:2264 | — | 31173 Services AB | SE | malicious |
— | — | 185.213.155.161:2264 | — | 31173 Services AB | SE | malicious |
DNS requests
Domain | IP | Reputation |
|---|---|---|
cuckoldfarmer.ddns.net |
| malicious |
dns.msftncsi.com |
| shared |
Threats
PID | Process | Class | Message |
|---|---|---|---|
1780 | wpass.exe | Potentially Bad Traffic | ET POLICY DNS Query to DynDNS Domain *.ddns .net |
1780 | wpass.exe | Potentially Bad Traffic | ET POLICY DNS Query to DynDNS Domain *.ddns .net |
1780 | wpass.exe | Potentially Bad Traffic | ET POLICY DNS Query to DynDNS Domain *.ddns .net |