| download: | PsUpdate.exe |
| Full analysis: | https://app.any.run/tasks/ad75b690-df1d-4dc3-b485-13491c194b0e |
| 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: | May 24, 2020, 20:42:59 |
| 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: | 7FD1723BF1C93574458CD1EC82074CE5 |
| SHA1: | 164A35BF1EE64EC7029FE9F9D57F23D3D2EFC192 |
| SHA256: | CF93875C89BD96957A970BEE9DF75B031C2950A5865212B1FAE40C8AE9299C5F |
| SSDEEP: | 12288:WuSpZCjsvLSS3fvaazNnq/Tz2cgkwFlsuH6TaF0cUHTOziaekUFm5YFL0Z270d:W5pZwszRPTBnqrqcAFeuHScwOmaHUFml |
| .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) |
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2020:05:15 20:02:02+02:00 |
| PEType: | PE32 |
| LinkerVersion: | 6 |
| CodeSize: | 673280 |
| InitializedDataSize: | 2048 |
| UninitializedDataSize: | - |
| EntryPoint: | 0xa6556 |
| OSVersion: | 4 |
| ImageVersion: | - |
| SubsystemVersion: | 4 |
| Subsystem: | Windows GUI |
| FileVersionNumber: | 12.2.4.0 |
| ProductVersionNumber: | 12.2.4.0 |
| FileFlagsMask: | 0x003f |
| FileFlags: | (none) |
| FileOS: | Win32 |
| ObjectFileType: | Executable application |
| FileSubtype: | - |
| LanguageCode: | Neutral |
| CharacterSet: | Unicode |
| Comments: | 7dTools Constructor |
| CompanyName: | Qura Corporations |
| FileDescription: | 7dTools |
| FileVersion: | 12.2.4 |
| InternalName: | JWwoUYFw5lANMt4.exe |
| LegalCopyright: | Qura Corporations (C) 2020 |
| OriginalFileName: | JWwoUYFw5lANMt4.exe |
| ProductName: | 7dTools |
| ProductVersion: | 12.2.4 |
| AssemblyVersion: | 0.0.0.0 |
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 15-May-2020 18:02:02 |
| Comments: | 7dTools Constructor |
| CompanyName: | Qura Corporations |
| FileDescription: | 7dTools |
| FileVersion: | 12.2.4 |
| InternalName: | JWwoUYFw5lANMt4.exe |
| LegalCopyright: | Qura Corporations (C) 2020 |
| OriginalFilename: | JWwoUYFw5lANMt4.exe |
| ProductName: | 7dTools |
| ProductVersion: | 12.2.4 |
| Assembly Version: | 0.0.0.0 |
| 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-May-2020 18:02:02 |
| 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 | 0x000A455C | 0x000A4600 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 7.99305 |
.reloc | 0x000A8000 | 0x0000000C | 0x00000200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ | 0.10191 |
.rsrc | 0x000AA000 | 0x000005AC | 0x00000600 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 4.45455 |
Title | Entropy | Size | Codepage | Language | Type |
|---|---|---|---|---|---|
1 | 4.94168 | 436 | Latin 1 / Western European | UNKNOWN | RT_MANIFEST |
mscoree.dll |
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 280 | "C:\Users\admin\AppData\Roaming\Citrix.exe" | C:\Users\admin\AppData\Roaming\Citrix.exe | Citrix.exe | ||||||||||||
User: admin Company: Qura Corporations Integrity Level: MEDIUM Description: 7dTools Exit code: 0 Version: 12.2.4 Modules
| |||||||||||||||
| 376 | "C:\Users\admin\AppData\Local\Temp\PsUpdate.exe" | C:\Users\admin\AppData\Local\Temp\PsUpdate.exe | — | PsUpdate.exe | |||||||||||
User: admin Company: Qura Corporations Integrity Level: MEDIUM Description: 7dTools Exit code: 0 Version: 12.2.4 Modules
| |||||||||||||||
| 740 | "C:\Users\admin\AppData\Local\Temp\PsUpdate.exe" | C:\Users\admin\AppData\Local\Temp\PsUpdate.exe | — | PsUpdate.exe | |||||||||||
User: admin Company: Qura Corporations Integrity Level: MEDIUM Description: 7dTools Exit code: 0 Version: 12.2.4 Modules
| |||||||||||||||
| 880 | 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
| |||||||||||||||
| 968 | "C:\windows\system32\slui.exe" | C:\windows\system32\slui.exe | Chrome_Update.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Windows Activation Client Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 1008 | cmd /c ""C:\Users\admin\AppData\Local\Temp\gA0r6a6WUuUO.bat" " | C:\Windows\system32\cmd.exe | — | PsUpdate.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
| |||||||||||||||
| 1084 | cmd /c ""C:\Users\admin\AppData\Local\Temp\Nr9LAhxmyuNH.bat" " | C:\Windows\system32\cmd.exe | — | PsUpdate.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
| |||||||||||||||
| 1140 | 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
| |||||||||||||||
| 1320 | "C:\Windows\System32\cmd.exe" /k start /b powershell –ExecutionPolicy Bypass -WindowStyle Hidden C:\Users\admin\AppData\Roaming\uac.exe -b slui -e QzpcVXNlcnNcYWRtaW5cQXBwRGF0YVxSb2FtaW5nXGV4LmV4ZQ== & exit | C:\Windows\System32\cmd.exe | — | PsUpdate.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Command Processor Exit code: 0 Version: 6.1.7601.17514 (win7sp1_rtm.101119-1850) Modules
| |||||||||||||||
| 1356 | "C:\Windows\explorer.exe" | C:\Windows\explorer.exe | — | explorer.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Explorer Exit code: 1 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| (PID) Process: | (3328) PsUpdate.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\PsUpdate_RASAPI32 |
| Operation: | write | Name: | EnableFileTracing |
Value: 0 | |||
| (PID) Process: | (3328) PsUpdate.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\PsUpdate_RASAPI32 |
| Operation: | write | Name: | EnableConsoleTracing |
Value: 0 | |||
| (PID) Process: | (3328) PsUpdate.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\PsUpdate_RASAPI32 |
| Operation: | write | Name: | FileTracingMask |
Value: 4294901760 | |||
| (PID) Process: | (3328) PsUpdate.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\PsUpdate_RASAPI32 |
| Operation: | write | Name: | ConsoleTracingMask |
Value: 4294901760 | |||
| (PID) Process: | (3328) PsUpdate.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\PsUpdate_RASAPI32 |
| Operation: | write | Name: | MaxFileSize |
Value: 1048576 | |||
| (PID) Process: | (3328) PsUpdate.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\PsUpdate_RASAPI32 |
| Operation: | write | Name: | FileDirectory |
Value: %windir%\tracing | |||
| (PID) Process: | (3328) PsUpdate.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\PsUpdate_RASMANCS |
| Operation: | write | Name: | EnableFileTracing |
Value: 0 | |||
| (PID) Process: | (3328) PsUpdate.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\PsUpdate_RASMANCS |
| Operation: | write | Name: | EnableConsoleTracing |
Value: 0 | |||
| (PID) Process: | (3328) PsUpdate.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\PsUpdate_RASMANCS |
| Operation: | write | Name: | FileTracingMask |
Value: 4294901760 | |||
| (PID) Process: | (3328) PsUpdate.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\PsUpdate_RASMANCS |
| Operation: | write | Name: | ConsoleTracingMask |
Value: 4294901760 | |||
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 3616 | powershell.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\ZTD2VWIFD9COUUC83OEM.temp | — | |
MD5:— | SHA256:— | |||
| 3328 | PsUpdate.exe | C:\Users\admin\AppData\Roaming\Chrome_Update.exe | executable | |
MD5:— | SHA256:— | |||
| 280 | Citrix.exe | C:\Users\admin\AppData\Roaming\Logs\05-24-2020 | binary | |
MD5:— | SHA256:— | |||
| 3328 | PsUpdate.exe | C:\Users\admin\AppData\Roaming\ex.exe | executable | |
MD5:— | SHA256:— | |||
| 3212 | Chrome_Update.exe | C:\Users\admin\AppData\Roaming\Chrome.exe | executable | |
MD5:— | SHA256:— | |||
| 3212 | Chrome_Update.exe | C:\Users\admin\AppData\Roaming\Install.exe | executable | |
MD5:— | SHA256:— | |||
| 3328 | PsUpdate.exe | C:\Users\admin\AppData\Roaming\uac.exe | executable | |
MD5:— | SHA256:— | |||
| 3328 | PsUpdate.exe | C:\Users\admin\AppData\Roaming\Venomx86.dll | executable | |
MD5:— | SHA256:— | |||
| 3328 | PsUpdate.exe | C:\Users\admin\AppData\Roaming\Venomx64.dll | executable | |
MD5:— | SHA256:— | |||
| 3328 | PsUpdate.exe | C:\Users\admin\AppData\Roaming\VenomInstall.exe | executable | |
MD5:— | SHA256:— | |||
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
3328 | PsUpdate.exe | GET | 200 | 208.95.112.1:80 | http://ip-api.com/json/ | unknown | text | 289 b | malicious |
280 | Citrix.exe | GET | 200 | 208.95.112.1:80 | http://ip-api.com/json/ | unknown | text | 289 b | malicious |
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
3328 | PsUpdate.exe | 208.95.112.1:80 | ip-api.com | IBURST | — | malicious |
3328 | PsUpdate.exe | 145.14.145.211:443 | payloads-poison.000webhostapp.com | Hostinger International Limited | US | shared |
280 | Citrix.exe | 208.95.112.1:80 | ip-api.com | IBURST | — | malicious |
280 | Citrix.exe | 95.216.56.1:4782 | — | Hetzner Online GmbH | DE | suspicious |
Domain | IP | Reputation |
|---|---|---|
ip-api.com |
| malicious |
payloads-poison.000webhostapp.com |
| shared |
PID | Process | Class | Message |
|---|---|---|---|
1052 | svchost.exe | Not Suspicious Traffic | ET INFO Observed Free Hosting Domain (*.000webhostapp .com in DNS Lookup) |
3328 | PsUpdate.exe | Potential Corporate Privacy Violation | ET POLICY External IP Lookup ip-api.com |
3328 | PsUpdate.exe | Potential Corporate Privacy Violation | AV POLICY Internal Host Retrieving External IP Address (ip-api. com) |
3328 | PsUpdate.exe | A Network Trojan was detected | REMOTE [PTsecurity] Quasar.RAT IP Lookup |
280 | Citrix.exe | Potential Corporate Privacy Violation | ET POLICY External IP Lookup ip-api.com |
280 | Citrix.exe | Potential Corporate Privacy Violation | AV POLICY Internal Host Retrieving External IP Address (ip-api. com) |
280 | Citrix.exe | A Network Trojan was detected | REMOTE [PTsecurity] Quasar.RAT IP Lookup |
3328 | PsUpdate.exe | Not Suspicious Traffic | ET INFO Observed SSL Cert for Free Hosting Domain (*.000webhostapp .com) |
3328 | PsUpdate.exe | Not Suspicious Traffic | ET INFO Observed SSL Cert for Free Hosting Domain (*.000webhostapp .com) |