| File name: | Win64Sys.exe |
| Full analysis: | https://app.any.run/tasks/67f92940-868e-4cfb-a84f-a2653a16e8ec |
| 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: | September 28, 2018, 18:32:12 |
| 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: | 361EE66FFA93EDA7D78EB4A5D14BFD57 |
| SHA1: | E8157E8283A3F8EB7390D45B98AE4D32C53CE273 |
| SHA256: | 8F42439424657A1B5F08A2EC107041B5A7E01129DD40BB08FA04659B70D90567 |
| SSDEEP: | 6144:+KMJx4pweP7kJS3irzPchzCSfj654xCbjj0P4MkV45M9TP:+KoSckh9765EAj0NHM9TP |
MALICIOUS
QUASAR was detected
- Win64Sys.exe (PID: 3208)
Drops/Copies Quasar RAT executable
- Win64Sys.exe (PID: 1772)
Changes the autorun value in the registry
- Win64Sys.exe (PID: 3208)
- Win64Sys.exe (PID: 1772)
SUSPICIOUS
Executable content was dropped or overwritten
- Win64Sys.exe (PID: 1772)
Checks for external IP
- Win64Sys.exe (PID: 3208)
- Win64Sys.exe (PID: 1772)
Starts itself from another location
- Win64Sys.exe (PID: 1772)
Starts CMD.EXE for commands execution
- Win64Sys.exe (PID: 3208)
Starts application with an unusual extension
- cmd.exe (PID: 2204)
Creates files in the user directory
- Win64Sys.exe (PID: 1772)
- Win64Sys.exe (PID: 3208)
INFO
Application was crashed
- Win64Sys.exe (PID: 3208)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .exe | | | Generic CIL Executable (.NET, Mono, etc.) (42.5) |
|---|---|---|
| .exe | | | InstallShield setup (25) |
| .exe | | | Win64 Executable (generic) (16) |
| .scr | | | Windows screen saver (7.6) |
| .dll | | | Win32 Dynamic Link Library (generic) (3.8) |
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2017:11:29 02:07:28+01:00 |
| PEType: | PE32 |
| LinkerVersion: | 8 |
| CodeSize: | 354304 |
| InitializedDataSize: | 32768 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x5871e |
| 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 |
| FileDescription: | |
| FileVersion: | 1.3.0.0 |
| InternalName: | Client.exe |
| LegalCopyright: | |
| OriginalFileName: | Client.exe |
| ProductVersion: | 1.3.0.0 |
| AssemblyVersion: | 1.3.0.0 |
Summary
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 29-Nov-2017 01:07:28 |
| FileDescription: | - |
| FileVersion: | 1.3.0.0 |
| InternalName: | Client.exe |
| LegalCopyright: | - |
| OriginalFilename: | Client.exe |
| ProductVersion: | 1.3.0.0 |
| Assembly Version: | 1.3.0.0 |
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: | 29-Nov-2017 01:07:28 |
| 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 | 0x00056724 | 0x00056800 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 6.4355 |
.rsrc | 0x0005A000 | 0x00007CA4 | 0x00007E00 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 5.62289 |
.reloc | 0x00062000 | 0x0000000C | 0x00000200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ | 0.10191 |
Resources
Title | Entropy | Size | Codepage | Language | Type |
|---|---|---|---|---|---|
1 | 5.18749 | 1144 | Latin 1 / Western European | UNKNOWN | RT_MANIFEST |
2 | 3.67737 | 744 | Latin 1 / Western European | UNKNOWN | RT_ICON |
3 | 3.54846 | 296 | Latin 1 / Western European | UNKNOWN | RT_ICON |
4 | 6.15331 | 3752 | Latin 1 / Western European | UNKNOWN | RT_ICON |
5 | 6.19173 | 2216 | Latin 1 / Western European | UNKNOWN | RT_ICON |
6 | 6.31879 | 1736 | Latin 1 / Western European | UNKNOWN | RT_ICON |
7 | 5.27664 | 1384 | Latin 1 / Western European | UNKNOWN | RT_ICON |
8 | 4.8951 | 9640 | Latin 1 / Western European | UNKNOWN | RT_ICON |
9 | 4.85914 | 4264 | Latin 1 / Western European | UNKNOWN | RT_ICON |
10 | 5.36305 | 2440 | Latin 1 / Western European | UNKNOWN | RT_ICON |
Imports
mscoree.dll |
Total processes
42
Monitored processes
6
Malicious processes
2
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1772 | "C:\Users\admin\AppData\Local\Temp\Win64Sys.exe" | C:\Users\admin\AppData\Local\Temp\Win64Sys.exe | explorer.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Description: Exit code: 0 Version: 1.3.0.0 Modules
| |||||||||||||||
| 2176 | chcp 65001 | C:\Windows\system32\chcp.com | — | cmd.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Change CodePage Utility Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 2204 | cmd /c ""C:\Users\admin\AppData\Local\Temp\hyyNDC7eSpXg.bat" " | C:\Windows\system32\cmd.exe | — | Win64Sys.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Command Processor Exit code: 1 Version: 6.1.7601.17514 (win7sp1_rtm.101119-1850) Modules
| |||||||||||||||
| 3208 | "C:\Users\admin\AppData\Roaming\Micosoft\Win64Sys.exe" | C:\Users\admin\AppData\Roaming\Micosoft\Win64Sys.exe | Win64Sys.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Description: Exit code: 0 Version: 1.3.0.0 Modules
| |||||||||||||||
| 3904 | ping -n 10 localhost | C:\Windows\system32\PING.EXE | — | cmd.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: TCP/IP Ping Command Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 3912 | "C:\Users\admin\AppData\Roaming\Micosoft\Win64Sys.exe" | C:\Users\admin\AppData\Roaming\Micosoft\Win64Sys.exe | — | cmd.exe | |||||||||||
User: admin Integrity Level: MEDIUM Description: Exit code: 0 Version: 1.3.0.0 Modules
| |||||||||||||||
Total events
467
Read events
449
Write events
18
Delete events
0
Modification events
| (PID) Process: | (1772) Win64Sys.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Win64Sys_RASAPI32 |
| Operation: | write | Name: | EnableFileTracing |
Value: 0 | |||
| (PID) Process: | (1772) Win64Sys.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Win64Sys_RASAPI32 |
| Operation: | write | Name: | EnableConsoleTracing |
Value: 0 | |||
| (PID) Process: | (1772) Win64Sys.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Win64Sys_RASAPI32 |
| Operation: | write | Name: | FileTracingMask |
Value: 4294901760 | |||
| (PID) Process: | (1772) Win64Sys.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Win64Sys_RASAPI32 |
| Operation: | write | Name: | ConsoleTracingMask |
Value: 4294901760 | |||
| (PID) Process: | (1772) Win64Sys.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Win64Sys_RASAPI32 |
| Operation: | write | Name: | MaxFileSize |
Value: 1048576 | |||
| (PID) Process: | (1772) Win64Sys.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Win64Sys_RASAPI32 |
| Operation: | write | Name: | FileDirectory |
Value: %windir%\tracing | |||
| (PID) Process: | (1772) Win64Sys.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Win64Sys_RASMANCS |
| Operation: | write | Name: | EnableFileTracing |
Value: 0 | |||
| (PID) Process: | (1772) Win64Sys.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Win64Sys_RASMANCS |
| Operation: | write | Name: | EnableConsoleTracing |
Value: 0 | |||
| (PID) Process: | (1772) Win64Sys.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Win64Sys_RASMANCS |
| Operation: | write | Name: | FileTracingMask |
Value: 4294901760 | |||
| (PID) Process: | (1772) Win64Sys.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Win64Sys_RASMANCS |
| Operation: | write | Name: | ConsoleTracingMask |
Value: 4294901760 | |||
Executable files
1
Suspicious files
1
Text files
1
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 3208 | Win64Sys.exe | C:\Users\admin\AppData\Local\Temp\hyyNDC7eSpXg.bat | text | |
MD5:— | SHA256:— | |||
| 3208 | Win64Sys.exe | C:\Users\admin\AppData\Roaming\Keys\09-28-2018 | binary | |
MD5:— | SHA256:— | |||
| 1772 | Win64Sys.exe | C:\Users\admin\AppData\Roaming\Micosoft\Win64Sys.exe | executable | |
MD5:361EE66FFA93EDA7D78EB4A5D14BFD57 | SHA256:8F42439424657A1B5F08A2EC107041B5A7E01129DD40BB08FA04659B70D90567 | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
4
TCP/UDP connections
4
DNS requests
6
Threats
10
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
1772 | Win64Sys.exe | GET | 301 | 104.26.15.73:80 | http://freegeoip.net/xml/ | US | — | — | malicious |
1772 | Win64Sys.exe | GET | — | 50.16.248.221:80 | http://api.ipify.org/ | US | — | — | shared |
1772 | Win64Sys.exe | GET | 403 | 104.26.15.73:80 | http://freegeoip.net/shutdown | US | text | 1.51 Kb | malicious |
3208 | Win64Sys.exe | GET | 200 | 185.194.141.58:80 | http://ip-api.com/json/ | DE | text | 299 b | malicious |
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
Connections
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
3208 | Win64Sys.exe | 185.194.141.58:80 | ip-api.com | netcup GmbH | DE | unknown |
1772 | Win64Sys.exe | 50.16.248.221:80 | api.ipify.org | Amazon.com, Inc. | US | whitelisted |
1772 | Win64Sys.exe | 104.26.15.73:80 | freegeoip.net | Cloudflare Inc | US | shared |
1772 | Win64Sys.exe | 185.194.141.58:80 | ip-api.com | netcup GmbH | DE | unknown |
DNS requests
Domain | IP | Reputation |
|---|---|---|
ip-api.com |
| malicious |
dns.msftncsi.com |
| shared |
freegeoip.net |
| malicious |
api.ipify.org |
| shared |
stuhowe.ddns.net |
| malicious |
Threats
PID | Process | Class | Message |
|---|---|---|---|
— | — | Potential Corporate Privacy Violation | ET POLICY External IP Lookup api.ipify.org |
— | — | A Network Trojan was detected | MALWARE [PTsecurity] Possible W32/Quasar 1.3 RAT Connectivity Check |
— | — | Potential Corporate Privacy Violation | ET POLICY External IP Lookup ip-api.com |
— | — | A Network Trojan was detected | MALWARE [PTsecurity] Quasar 1.3 RAT IP Lookup ip-api.com (HTTP headeer) |
6 ETPRO signatures available at the full report