| download: | desktopcal-setup-v2.exe | 
| Full analysis: | https://app.any.run/tasks/5a1f4509-0986-4685-b3ad-6b0eeec555c9 | 
| Verdict: | Malicious activity | 
| Analysis date: | July 27, 2020, 11:53:46 | 
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 32 bit) | 
| Indicators: | |
| MIME: | application/x-dosexec | 
| File info: | PE32 executable (GUI) Intel 80386, for MS Windows, Nullsoft Installer self-extracting archive | 
| MD5: | 9A838E683BABCDA640AF09D1A76F9338 | 
| SHA1: | 72485FC4781F7FA9ED64B460ACF95E0D2F688A28 | 
| SHA256: | 727E122CB49E5ED509BD2820EAEA83072BFED08231C87A96879C374A9D5422C3 | 
| SSDEEP: | 98304:weRodUhRXSWKc3wYarZmNk85TVh2Fl2gA+Okq6B3iJdM3Xe:wciUDSWDmmNk85ZQFl22On6Ju | 
| .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) | 
| MachineType: | Intel 386 or later, and compatibles | 
|---|---|
| TimeStamp: | 2010:04:10 14:19:31+02:00 | 
| PEType: | PE32 | 
| LinkerVersion: | 9 | 
| CodeSize: | 25600 | 
| InitializedDataSize: | 431104 | 
| UninitializedDataSize: | 16896 | 
| EntryPoint: | 0x354b | 
| OSVersion: | 5 | 
| ImageVersion: | 6 | 
| SubsystemVersion: | 5 | 
| Subsystem: | Windows GUI | 
| FileVersionNumber: | 2.3.77.4967 | 
| ProductVersionNumber: | 2.3.77.4967 | 
| FileFlagsMask: | 0x0000 | 
| FileFlags: | (none) | 
| FileOS: | Win32 | 
| ObjectFileType: | Executable application | 
| FileSubtype: | - | 
| LanguageCode: | English (U.S.) | 
| CharacterSet: | ASCII | 
| Comments: | http://rd.desktopcal.com/?id=1000&fp=client&cver=2.3.77.4967 | 
| CompanyName: | DesktopCal | 
| FileDescription: | Desktop Calendar Installer | 
| FileVersion: | 2.3.77.4967 | 
| LegalCopyright: | Copyright (C) 2011-2017 Beijing Cloud Story Inc. | 
| LegalTrademarks: | DesktopCal | 
| ProductName: | DesktopCal | 
| ProductVersion: | 2.3.77.4967 | 
| Architecture: | IMAGE_FILE_MACHINE_I386 | 
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI | 
| Compilation Date: | 10-Apr-2010 12:19:31 | 
| Detected languages: | 
 | 
| Comments: | http://rd.desktopcal.com/?id=1000&fp=client&cver=2.3.77.4967 | 
| CompanyName: | DesktopCal | 
| FileDescription: | Desktop Calendar Installer | 
| FileVersion: | 2.3.77.4967 | 
| LegalCopyright: | Copyright (C) 2011-2017 Beijing Cloud Story Inc. | 
| LegalTrademarks: | DesktopCal | 
| ProductName: | DesktopCal | 
| ProductVersion: | 2.3.77.4967 | 
| 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: | 0x000000E0 | 
| Signature: | PE | 
|---|---|
| Machine: | IMAGE_FILE_MACHINE_I386 | 
| Number of sections: | 5 | 
| Time date stamp: | 10-Apr-2010 12:19:31 | 
| 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 | 0x00001000 | 0x000063A2 | 0x00006400 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 6.48045 | 
| .rdata | 0x00008000 | 0x000018F2 | 0x00001A00 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 4.88829 | 
| .data | 0x0000A000 | 0x0006669C | 0x00000200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 1.42988 | 
| .ndata | 0x00071000 | 0x000D1000 | 0x00000000 | IMAGE_SCN_CNT_UNINITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 0 | 
| .rsrc | 0x00142000 | 0x00009530 | 0x00009600 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 5.03448 | 
| Title | Entropy | Size | Codepage | Language | Type | 
|---|---|---|---|---|---|
| 1 | 5.22444 | 955 | UNKNOWN | English - United States | RT_MANIFEST | 
| 2 | 5.2667 | 4264 | UNKNOWN | English - United States | RT_ICON | 
| 3 | 5.31911 | 3752 | UNKNOWN | English - United States | RT_ICON | 
| 4 | 5.1078 | 2440 | UNKNOWN | English - United States | RT_ICON | 
| 5 | 5.86909 | 2216 | UNKNOWN | English - United States | RT_ICON | 
| 6 | 5.33696 | 1736 | UNKNOWN | English - United States | RT_ICON | 
| 7 | 3.9657 | 1640 | UNKNOWN | English - United States | RT_ICON | 
| 8 | 3.69096 | 1384 | UNKNOWN | English - United States | RT_ICON | 
| 9 | 5.28495 | 1128 | UNKNOWN | English - United States | RT_ICON | 
| 10 | 4.10612 | 744 | UNKNOWN | English - United States | RT_ICON | 
| ADVAPI32.dll | 
| COMCTL32.dll | 
| GDI32.dll | 
| KERNEL32.dll | 
| SHELL32.dll | 
| USER32.dll | 
| VERSION.dll | 
| ole32.dll | 
| PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 352 | C:\Windows\Explorer.EXE | C:\Windows\explorer.exe | — | — | |||||||||||
| User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Explorer Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
 | |||||||||||||||
| 1132 | "C:\Users\admin\AppData\Roaming\DesktopCal\desktopcal.exe" | C:\Users\admin\AppData\Roaming\DesktopCal\desktopcal.exe | — | explorer.exe | |||||||||||
| User: admin Company: Beijing Cloud Story Inc. Integrity Level: MEDIUM Description: Desktop Calendar Exit code: 0 Version: 2.3.77.4967 Modules
 | |||||||||||||||
| 1208 | C:\Users\admin\AppData\Roaming\DesktopCal\dkupdate.exe | C:\Users\admin\AppData\Roaming\DesktopCal\dkupdate.exe | desktopcal.exe | ||||||||||||
| User: admin Company: Beijing Cloud Story Inc. Integrity Level: MEDIUM Description: dkupdate Module Exit code: 0 Version: 2.3.77.4967 Modules
 | |||||||||||||||
| 1452 | C:\Users\admin\AppData\Roaming\DesktopCal\desktopcal.exe | C:\Users\admin\AppData\Roaming\DesktopCal\desktopcal.exe | desktopcal-setup-v2.exe | ||||||||||||
| User: admin Company: Beijing Cloud Story Inc. Integrity Level: MEDIUM Description: Desktop Calendar Exit code: 0 Version: 2.3.77.4967 Modules
 | |||||||||||||||
| 2416 | "C:\Users\admin\AppData\Local\Temp\desktopcal-setup-v2.exe" | C:\Users\admin\AppData\Local\Temp\desktopcal-setup-v2.exe | explorer.exe | ||||||||||||
| User: admin Company: DesktopCal Integrity Level: MEDIUM Description: Desktop Calendar Installer Exit code: 0 Version: 2.3.77.4967 Modules
 | |||||||||||||||
| 2484 | "C:\Users\admin\AppData\Roaming\DesktopCal\desktopcal.exe" -savestart | C:\Users\admin\AppData\Roaming\DesktopCal\desktopcal.exe | desktopcal-setup-v2.exe | ||||||||||||
| User: admin Company: Beijing Cloud Story Inc. Integrity Level: MEDIUM Description: Desktop Calendar Exit code: 0 Version: 2.3.77.4967 Modules
 | |||||||||||||||
| 2836 | "C:\Users\admin\AppData\Roaming\DesktopCal\desktopcal.exe" -savelang.usa | C:\Users\admin\AppData\Roaming\DesktopCal\desktopcal.exe | — | desktopcal-setup-v2.exe | |||||||||||
| User: admin Company: Beijing Cloud Story Inc. Integrity Level: MEDIUM Description: Desktop Calendar Exit code: 0 Version: 2.3.77.4967 Modules
 | |||||||||||||||
| 3288 | "C:\Users\admin\AppData\Roaming\DesktopCal\desktopcal.exe" -recoverwpfor1x | C:\Users\admin\AppData\Roaming\DesktopCal\desktopcal.exe | — | desktopcal-setup-v2.exe | |||||||||||
| User: admin Company: Beijing Cloud Story Inc. Integrity Level: MEDIUM Description: Desktop Calendar Exit code: 0 Version: 2.3.77.4967 Modules
 | |||||||||||||||
| (PID) Process: | (2416) desktopcal-setup-v2.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Uninstall\DesktopCal | 
| Operation: | write | Name: | DisplayName | 
| Value: Desktop Calendar 2.3.77.4967 | |||
| (PID) Process: | (2416) desktopcal-setup-v2.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Uninstall\DesktopCal | 
| Operation: | write | Name: | UninstallString | 
| Value: "C:\Users\admin\AppData\Roaming\DesktopCal\uninst.exe" | |||
| (PID) Process: | (2416) desktopcal-setup-v2.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Uninstall\DesktopCal | 
| Operation: | write | Name: | DisplayIcon | 
| Value: "C:\Users\admin\AppData\Roaming\DesktopCal\desktopcal.exe" | |||
| (PID) Process: | (2416) desktopcal-setup-v2.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Uninstall\DesktopCal | 
| Operation: | write | Name: | InstallLocation | 
| Value: C:\Users\admin\AppData\Roaming\DesktopCal | |||
| (PID) Process: | (2416) desktopcal-setup-v2.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Uninstall\DesktopCal | 
| Operation: | write | Name: | Publisher | 
| Value: DesktopCal | |||
| (PID) Process: | (2416) desktopcal-setup-v2.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Uninstall\DesktopCal | 
| Operation: | write | Name: | HelpLink | 
| Value: http://rd.desktopcal.com/?id=1000&fp=client&cver=2.3.77.4967 | |||
| (PID) Process: | (2416) desktopcal-setup-v2.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Uninstall\DesktopCal | 
| Operation: | write | Name: | DisplayVersion | 
| Value: 2.3.77.4967 | |||
| (PID) Process: | (2484) desktopcal.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run | 
| Operation: | write | Name: | DesktopCal | 
| Value: C:\Users\admin\AppData\Roaming\DesktopCal\desktopcal.exe | |||
| (PID) Process: | (352) explorer.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\UserAssist\{CEBFF5CD-ACE2-4F4F-9178-9926F41749EA}\Count | 
| Operation: | write | Name: | P:\Hfref\nqzva\NccQngn\Ybpny\Grzc\qrfxgbcpny-frghc-i2.rkr | 
| Value: 00000000000000000000000000000000000080BF000080BF000080BF000080BF000080BF000080BF000080BF000080BF000080BF000080BFFFFFFFFF000000000000000000000000 | |||
| (PID) Process: | (352) explorer.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\UserAssist\{CEBFF5CD-ACE2-4F4F-9178-9926F41749EA}\Count | 
| Operation: | write | Name: | HRZR_PGYFRFFVBA | 
| Value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| |||
| PID | Process | Filename | Type | |
|---|---|---|---|---|
| 2416 | desktopcal-setup-v2.exe | C:\Users\admin\AppData\Local\Temp\dkcuninstall.dll | executable | |
| MD5:— | SHA256:— | |||
| 2416 | desktopcal-setup-v2.exe | C:\Users\admin\AppData\Local\Temp\dkc_background.png | image | |
| MD5:3290E10E1D9CEED213C8ADC67BE33118 | SHA256:29F1526AB6DE02DBE685D395826B9E705693B638F5C60763D6A138699440F70A | |||
| 2416 | desktopcal-setup-v2.exe | C:\Users\admin\AppData\Local\Temp\dkc_progress_bar_bk.png | image | |
| MD5:FE2CC1B0127BD19ECFA463F01E08BE0F | SHA256:BF1052183C94A769ADC43F0BABFE215FEFA7C03B911727764D7F6329C19708AF | |||
| 2416 | desktopcal-setup-v2.exe | C:\Users\admin\AppData\Local\Temp\nsx6A55.tmp\System.dll | executable | |
| MD5:959EA64598B9A3E494C00E8FA793BE7E | SHA256:03CD57AB00236C753E7DDEEE8EE1C10839ACE7C426769982365531042E1F6F8B | |||
| 2416 | desktopcal-setup-v2.exe | C:\Users\admin\AppData\Local\Temp\dkc_progress_bar_go.png | image | |
| MD5:496D661C6E71654759F87CE767783FAA | SHA256:57339E236EA25EDF7DD3E571D4ECA9CD742A580FBD826F0899026E397848890C | |||
| 2416 | desktopcal-setup-v2.exe | C:\Users\admin\AppData\Local\Temp\dkc_close.png | image | |
| MD5:8DAEF7C0E8236B297416E85F391BF4CC | SHA256:88ABB862FC847CFCA93C4E54ADD06CE05EAEC79E1B95468E34BEB13163104252 | |||
| 2416 | desktopcal-setup-v2.exe | C:\Users\admin\AppData\Local\Temp\dkc_background_complete.png | image | |
| MD5:8B850F992C1EC5D94A9836BDE5E056CE | SHA256:A703FACC8641DF53AB847D9BBE9F6158905EC46F5ED7814AF996A1DBEA7F09E8 | |||
| 2416 | desktopcal-setup-v2.exe | C:\Users\admin\AppData\Local\Temp\dkc_bottom_complete.png | image | |
| MD5:8F1E8403BEEB684CD798CB0B2DE480AE | SHA256:62358CA5450A51902222BC9888ADDFBDF7267C0C4AFB9B4C852A9EAFA58B84C2 | |||
| 2416 | desktopcal-setup-v2.exe | C:\Users\admin\AppData\Local\Temp\dkc_bottom.png | image | |
| MD5:A18FEBC34532BA13DED046BD86C4E77B | SHA256:87F2C76B25EF79F227731316491F30780BC8377C6565AD7B3DE85AF19F8E8893 | |||
| 2416 | desktopcal-setup-v2.exe | C:\Users\admin\AppData\Local\Temp\dkc_onkeyfinish.png | image | |
| MD5:507349B38FA5A9E65F63F9F5DA0AD7EE | SHA256:3A8B03E4B4E08DD16EB65E8BE544B7E6697CD8F32CB15D993BBA80599751454A | |||
| PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation | 
|---|---|---|---|---|---|---|---|---|---|
| 1452 | desktopcal.exe | GET | — | 8.210.118.237:80 | http://update2.desktopcal.com/config?os=6.1&ver=2.3.77.4967&iev=11.0&dwb=iexplore.exe&lang=usa&uid=C_0-D_QM00001-M_12A9866C77DE-V_C4BA3647-T_F0_1595850855&v=0&login=0&tn=&rcmd=&ec=0&edc=0&sd=&t=895546 | US |  —  | — | suspicious | 
| 1208 | dkupdate.exe | GET | 200 | 8.210.118.237:80 | http://update.desktopcal.com/updateinfo.xml?debug=0&t=889859&ver=2.3.77.4967&lang=usa&os=7&key=&tn=&auto=1 | US | xml | 330 b | suspicious | 
| 1452 | desktopcal.exe | GET | — | 8.210.118.237:80 | http://cc.service.desktopcal.com/api/days | US |  —  | — | suspicious | 
| 1452 | desktopcal.exe | GET | — | 8.210.118.237:80 | http://client.analytics.desktopcal.com/?ver=2.3.77.4967&lang=usa&os=7&ec=click&ea=dlgsettings&el=tab.advanced&uid=C_0-D_QM00001-M_12A9866C77DE-V_C4BA3647-T_F0_1595850855&t=909421<=0 | US |  —  | — | suspicious | 
| 1452 | desktopcal.exe | GET | — | 8.210.118.237:80 | http://install.desktopcal.com/desktopcal/2.3.77.4967/usa/7/?uid=C_0-D_QM00001-M_12A9866C77DE-V_C4BA3647-T_F0_1595850855&login=0&vip=0&tn=&ec=0&c=&sd=&nets=0 | US |  —  | — | suspicious | 
| PID | Process | IP | Domain | ASN | CN | Reputation | 
|---|---|---|---|---|---|---|
| 1208 | dkupdate.exe | 8.210.118.237:80 | update.desktopcal.com | Level 3 Communications, Inc. | US | suspicious | 
| — | — | 8.210.118.237:80 | update.desktopcal.com | Level 3 Communications, Inc. | US | suspicious | 
| 1452 | desktopcal.exe | 8.210.118.237:80 | update.desktopcal.com | Level 3 Communications, Inc. | US | suspicious | 
| Domain | IP | Reputation | 
|---|---|---|
| update.desktopcal.com | 
 | suspicious | 
| install.desktopcal.com | 
 | suspicious | 
| cc.service.desktopcal.com | 
 | suspicious | 
| update2.desktopcal.com | 
 | suspicious | 
| client.analytics.desktopcal.com | 
 | suspicious |