| File name: | meow.exe |
| Full analysis: | https://app.any.run/tasks/bd7959f7-b97d-4297-b5c0-923d3899e745 |
| Verdict: | Malicious activity |
| Threats: | Quasar is a very popular RAT in the world thanks to its code being available in open-source. This malware can be used to control the victim’s computer remotely. |
| Analysis date: | December 30, 2023, 18:23:40 |
| 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: | B3407EE3FB3021B1FDF7E93340E4B02E |
| SHA1: | F70817D259493564E31A4015988D3E970016461E |
| SHA256: | 3FD0401F976183A123D1881513A557A5C7829E82BA6FD12AE6BF18153E200B66 |
| SSDEEP: | 49152:N0EcsT90z2NkvSCmRf7uY1+DVlYZ+hHjGmt/3DgCR9M0F/JKs9noTHaMAHGkCGmq:G2NkKCmRf7uY1+DVlYZ+hHaIDgSUTg |
MALICIOUS
Changes the autorun value in the registry
- MSAntivirus.exe (PID: 1432)
QUASAR has been detected (YARA)
- MSAntivirus.exe (PID: 1432)
SUSPICIOUS
No suspicious indicators.INFO
Checks supported languages
- meow.exe (PID: 2184)
- MSAntivirus.exe (PID: 1432)
Reads the computer name
- meow.exe (PID: 2184)
- MSAntivirus.exe (PID: 1432)
Drops the executable file immediately after the start
- meow.exe (PID: 2184)
Reads the machine GUID from the registry
- meow.exe (PID: 2184)
- MSAntivirus.exe (PID: 1432)
Creates files or folders in the user directory
- meow.exe (PID: 2184)
Starts itself from another location
- meow.exe (PID: 2184)
Reads Environment values
- meow.exe (PID: 2184)
- MSAntivirus.exe (PID: 1432)
Connects to unusual port
- MSAntivirus.exe (PID: 1432)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
Quasar
(PID) Process(1432) MSAntivirus.exe
Version1.4.1
C2 (2)test123456.pagekite.me:4782
Sub_DirSubDir
Install_NameMSAntivirus.exe
Mutexe2c26705-9f97-4332-b21a-f2a908bcd5f4
StartupMicrosoft Antivirus
TagOffice04
LogDirLogs
Signaturev+hVKKZ1dRzqWGwjND4wnEevcbUeRY9v4VrbNwloeVmLRDQd4N/yqBrmI4gCMuId9hnsJto0qFQw0KUg9GuP6DOLyDtuOQll0RGzv+WKEPxIErEQjgEXqzfriYmeGGnMYj7ahr0kVJNecYTeZ2gKjiOm/rhp12nQIuYz7tLHrW8VDkMC+G7T+zUQesdtyvyd0g9nOcCuho36QVf0sJt3DuU6OGEkUOuE4Kd1sfrr8BdE3yQ439c7MqRKOpVct7zecerysqS+mE2oJXsK8kQ40gMPUHwsWHIQPMbESh8GOqY+...
CertificateMIIE9DCCAtygAwIBAgIQAIdU14NfTFZRM9UOLDUwBTANBgkqhkiG9w0BAQ0FADAbMRkwFwYDVQQDDBBRdWFzYXIgU2VydmVyIENBMCAXDTIzMTIyODE3NDUyOVoYDzk5OTkxMjMxMjM1OTU5WjAbMRkwFwYDVQQDDBBRdWFzYXIgU2VydmVyIENBMIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEA+1M1Drz5qpSbwsfb/30Sun/bLQr6aK9NTlBkkj04LZpm4X9beIFd/CQFHTdyN194ByoXgVRI...
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
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2023:03:12 17:16:39+01:00 |
| ImageFileCharacteristics: | Executable, 32-bit |
| PEType: | PE32 |
| LinkerVersion: | 8 |
| CodeSize: | 3261952 |
| InitializedDataSize: | 3584 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x31e42e |
| OSVersion: | 4 |
| ImageVersion: | - |
| SubsystemVersion: | 4 |
| Subsystem: | Windows GUI |
| FileVersionNumber: | 1.4.1.0 |
| ProductVersionNumber: | 1.4.1.0 |
| FileFlagsMask: | 0x003f |
| FileFlags: | (none) |
| FileOS: | Win32 |
| ObjectFileType: | Executable application |
| FileSubtype: | - |
| LanguageCode: | Neutral |
| CharacterSet: | Unicode |
| Comments: | - |
| CompanyName: | - |
| FileDescription: | Quasar Client |
| FileVersion: | 1.4.1 |
| InternalName: | Client.exe |
| LegalCopyright: | Copyright © MaxXor 2023 |
| LegalTrademarks: | - |
| OriginalFileName: | Client.exe |
| ProductName: | Quasar |
| ProductVersion: | 1.4.1 |
| AssemblyVersion: | 1.4.1.0 |
Total processes
34
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 | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1432 | "C:\Users\admin\AppData\Roaming\SubDir\MSAntivirus.exe" | C:\Users\admin\AppData\Roaming\SubDir\MSAntivirus.exe | meow.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Description: Quasar Client Exit code: 0 Version: 1.4.1 Modules
Quasar(PID) Process(1432) MSAntivirus.exe Version1.4.1 C2 (2)test123456.pagekite.me:4782 Sub_DirSubDir Install_NameMSAntivirus.exe Mutexe2c26705-9f97-4332-b21a-f2a908bcd5f4 StartupMicrosoft Antivirus TagOffice04 LogDirLogs Signaturev+hVKKZ1dRzqWGwjND4wnEevcbUeRY9v4VrbNwloeVmLRDQd4N/yqBrmI4gCMuId9hnsJto0qFQw0KUg9GuP6DOLyDtuOQll0RGzv+WKEPxIErEQjgEXqzfriYmeGGnMYj7ahr0kVJNecYTeZ2gKjiOm/rhp12nQIuYz7tLHrW8VDkMC+G7T+zUQesdtyvyd0g9nOcCuho36QVf0sJt3DuU6OGEkUOuE4Kd1sfrr8BdE3yQ439c7MqRKOpVct7zecerysqS+mE2oJXsK8kQ40gMPUHwsWHIQPMbESh8GOqY+... CertificateMIIE9DCCAtygAwIBAgIQAIdU14NfTFZRM9UOLDUwBTANBgkqhkiG9w0BAQ0FADAbMRkwFwYDVQQDDBBRdWFzYXIgU2VydmVyIENBMCAXDTIzMTIyODE3NDUyOVoYDzk5OTkxMjMxMjM1OTU5WjAbMRkwFwYDVQQDDBBRdWFzYXIgU2VydmVyIENBMIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEA+1M1Drz5qpSbwsfb/30Sun/bLQr6aK9NTlBkkj04LZpm4X9beIFd/CQFHTdyN194ByoXgVRI... | |||||||||||||||
| 2184 | "C:\Users\admin\AppData\Local\Temp\meow.exe" | C:\Users\admin\AppData\Local\Temp\meow.exe | — | explorer.exe | |||||||||||
User: admin Integrity Level: MEDIUM Description: Quasar Client Exit code: 3 Version: 1.4.1 Modules
| |||||||||||||||
Total events
1 239
Read events
1 210
Write events
29
Delete events
0
Modification events
| (PID) Process: | (2184) meow.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\182\52C64B7E |
| Operation: | write | Name: | LanguageList |
Value: en-US | |||
| (PID) Process: | (1432) MSAntivirus.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\182\52C64B7E |
| Operation: | write | Name: | LanguageList |
Value: en-US | |||
| (PID) Process: | (1432) MSAntivirus.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run |
| Operation: | write | Name: | Microsoft Antivirus |
Value: "C:\Users\admin\AppData\Roaming\SubDir\MSAntivirus.exe" | |||
Executable files
1
Suspicious files
0
Text files
0
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 2184 | meow.exe | C:\Users\admin\AppData\Roaming\SubDir\MSAntivirus.exe | executable | |
MD5:B3407EE3FB3021B1FDF7E93340E4B02E | SHA256:3FD0401F976183A123D1881513A557A5C7829E82BA6FD12AE6BF18153E200B66 | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
70
DNS requests
1
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 |
|---|---|---|---|---|---|---|
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
4 | System | 192.168.100.255:137 | — | — | — | whitelisted |
1080 | svchost.exe | 224.0.0.252:5355 | — | — | — | unknown |
1432 | MSAntivirus.exe | 176.58.121.52:4782 | test123456.pagekite.me | Linode, LLC | GB | unknown |
DNS requests
Domain | IP | Reputation |
|---|---|---|
test123456.pagekite.me |
| unknown |