| File name: | QuasarRat.exe |
| Full analysis: | https://app.any.run/tasks/0188e154-9deb-462f-a011-b61f0feaf760 |
| 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: | August 15, 2020, 05:22:41 |
| 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: | 4F029A4BD8EA10CAA04CFE2F2E2B80A4 |
| SHA1: | 10DAE4ED22604193298D410C7DF1A6433F8DDC10 |
| SHA256: | 3932FCD665D36CF9B7E31D5B7321F0FDF74F0B02796A55FCCFA6E0C100DAE35F |
| SSDEEP: | 6144:jfHzJMf1dzeUI8VbkJ4aCYM50OE9i27b4EYNlxd8YOMbKWy0wKo:DTcVRHYM58tjYQHEmR |
| .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) |
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2020:08:15 07:00:32+02:00 |
| PEType: | PE32 |
| LinkerVersion: | 8 |
| CodeSize: | 541696 |
| InitializedDataSize: | 3072 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x863de |
| OSVersion: | 4 |
| ImageVersion: | - |
| SubsystemVersion: | 4 |
| Subsystem: | Windows GUI |
| FileVersionNumber: | 1.3.0.0 |
| ProductVersionNumber: | 1.3.0.0 |
| FileFlagsMask: | 0x003f |
| FileFlags: | (none) |
| FileOS: | Win32 |
| ObjectFileType: | Executable application |
| FileSubtype: | - |
| LanguageCode: | Neutral |
| CharacterSet: | Unicode |
| Comments: | - |
| CompanyName: | - |
| FileDescription: | Quasar Client |
| FileVersion: | 1.3.0.0 |
| InternalName: | Client.exe |
| LegalCopyright: | Copyright © MaxXor 2018 |
| LegalTrademarks: | - |
| OriginalFileName: | Client.exe |
| ProductName: | Quasar |
| ProductVersion: | 1.3.0.0 |
| AssemblyVersion: | 1.3.0.0 |
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 15-Aug-2020 05:00:32 |
| Comments: | - |
| CompanyName: | - |
| FileDescription: | Quasar Client |
| FileVersion: | 1.3.0.0 |
| InternalName: | Client.exe |
| LegalCopyright: | Copyright © MaxXor 2018 |
| LegalTrademarks: | - |
| OriginalFilename: | Client.exe |
| ProductName: | Quasar |
| ProductVersion: | 1.3.0.0 |
| Assembly Version: | 1.3.0.0 |
| 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 |
| Signature: | PE |
|---|---|
| Machine: | IMAGE_FILE_MACHINE_I386 |
| Number of sections: | 3 |
| Time date stamp: | 15-Aug-2020 05:00:32 |
| Pointer to Symbol Table: | 0x00000000 |
| Number of symbols: | 0 |
| Size of Optional Header: | 0x00E0 |
| Characteristics: |
|
Name | Virtual Address | Virtual Size | Raw Size | Charateristics | Entropy |
|---|---|---|---|---|---|
.text | 0x00002000 | 0x000843E4 | 0x00084400 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 6.1141 |
.rsrc | 0x00088000 | 0x0000083C | 0x00000A00 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 4.2629 |
.reloc | 0x0008A000 | 0x0000000C | 0x00000200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ | 0.10191 |
Title | Entropy | Size | Codepage | Language | Type |
|---|---|---|---|---|---|
1 | 5.18749 | 1144 | UNKNOWN | UNKNOWN | RT_MANIFEST |
mscoree.dll |
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2780 | "C:\Users\admin\AppData\Local\Temp\QuasarRat.exe" | C:\Users\admin\AppData\Local\Temp\QuasarRat.exe | explorer.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Description: Quasar Client Exit code: 0 Version: 1.3.0.0 Modules
| |||||||||||||||
| (PID) Process: | (2780) QuasarRat.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\136\52C64B7E |
| Operation: | write | Name: | LanguageList |
Value: en-US | |||
| (PID) Process: | (2780) QuasarRat.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\136\52C64B7E |
| Operation: | write | Name: | @%SystemRoot%\system32\p2pcollab.dll,-8042 |
Value: Peer to Peer Trust | |||
| (PID) Process: | (2780) QuasarRat.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\136\52C64B7E |
| Operation: | write | Name: | @%SystemRoot%\system32\qagentrt.dll,-10 |
Value: System Health Authentication | |||
| (PID) Process: | (2780) QuasarRat.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\136\52C64B7E |
| Operation: | write | Name: | @%SystemRoot%\system32\dnsapi.dll,-103 |
Value: Domain Name System (DNS) Server Trust | |||
| (PID) Process: | (2780) QuasarRat.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\136\52C64B7E |
| Operation: | write | Name: | @%SystemRoot%\System32\fveui.dll,-843 |
Value: BitLocker Drive Encryption | |||
| (PID) Process: | (2780) QuasarRat.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\136\52C64B7E |
| Operation: | write | Name: | @%SystemRoot%\System32\fveui.dll,-844 |
Value: BitLocker Data Recovery Agent | |||
| (PID) Process: | (2780) QuasarRat.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\QuasarRat_RASAPI32 |
| Operation: | write | Name: | EnableFileTracing |
Value: 0 | |||
| (PID) Process: | (2780) QuasarRat.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\QuasarRat_RASAPI32 |
| Operation: | write | Name: | EnableConsoleTracing |
Value: 0 | |||
| (PID) Process: | (2780) QuasarRat.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\QuasarRat_RASAPI32 |
| Operation: | write | Name: | FileTracingMask |
Value: 4294901760 | |||
| (PID) Process: | (2780) QuasarRat.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\QuasarRat_RASAPI32 |
| Operation: | write | Name: | ConsoleTracingMask |
Value: 4294901760 | |||
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
2780 | QuasarRat.exe | GET | 200 | 208.95.112.1:80 | http://ip-api.com/json/ | unknown | text | 339 b | malicious |
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
2780 | QuasarRat.exe | 208.95.112.1:80 | ip-api.com | IBURST | — | malicious |
2780 | QuasarRat.exe | 47.28.203.160:1337 | vsawd.ddns.net | — | CA | malicious |
Domain | IP | Reputation |
|---|---|---|
ip-api.com |
| malicious |
vsawd.ddns.net |
| malicious |
dns.msftncsi.com |
| shared |
PID | Process | Class | Message |
|---|---|---|---|
2780 | QuasarRat.exe | Potential Corporate Privacy Violation | ET POLICY External IP Lookup ip-api.com |
2780 | QuasarRat.exe | Potential Corporate Privacy Violation | AV POLICY Internal Host Retrieving External IP Address (ip-api. com) |
2780 | QuasarRat.exe | A Network Trojan was detected | REMOTE [PTsecurity] Quasar.RAT IP Lookup |
1048 | svchost.exe | Potentially Bad Traffic | ET POLICY DNS Query to DynDNS Domain *.ddns .net |