| File name: | ZK4500.exe |
| Full analysis: | https://app.any.run/tasks/32588414-0a6e-4261-8dd6-2c059c7599a9 |
| Verdict: | Malicious activity |
| Analysis date: | July 10, 2020, 19:37:17 |
| 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: | 8A733EC2185E7EFF1FC61F1FBEAE5C90 |
| SHA1: | 32BAC3CDD899104A2DCEEAA92379E1EC3824E1C4 |
| SHA256: | C0F535E9ED90BB7487963FEC5B8EF7D1B305AF10D727B347DFD8B8D74EC28153 |
| SSDEEP: | 196608:udXAFnmN5BL+HoIydyOO8hOYS7QkKeFiFouRlgHi+FHR4U:uAku8AY6QHeUFouRG3h |
MALICIOUS
Application was dropped or rewritten from another process
- iZHost.exe (PID: 2056)
- iZHost.exe (PID: 1360)
Starts NET.EXE for service management
- ZK4500.tmp (PID: 1532)
Loads dropped or rewritten executable
- iZHost.exe (PID: 2056)
- iZHost.exe (PID: 1360)
- rundll32.exe (PID: 2708)
- rundll32.exe (PID: 2808)
- regsvr32.exe (PID: 4084)
- regsvr32.exe (PID: 2804)
- regsvr32.exe (PID: 2292)
- regsvr32.exe (PID: 3068)
- regsvr32.exe (PID: 3784)
- regsvr32.exe (PID: 2344)
Registers / Runs the DLL via REGSVR32.EXE
- ZK4500.tmp (PID: 1532)
SUSPICIOUS
Executable content was dropped or overwritten
- ZK4500.exe (PID: 3560)
- ZK4500.exe (PID: 3476)
- rundll32.exe (PID: 2708)
- DrvInst.exe (PID: 2244)
- rundll32.exe (PID: 2808)
- DrvInst.exe (PID: 2172)
- ZK4500.tmp (PID: 1532)
Creates files in the driver directory
- ZK4500.tmp (PID: 1532)
- DrvInst.exe (PID: 2172)
- DrvInst.exe (PID: 2244)
Creates files in the Windows directory
- ZK4500.tmp (PID: 1532)
- DrvInst.exe (PID: 2172)
- DrvInst.exe (PID: 2244)
Executed as Windows Service
- iZHost.exe (PID: 1360)
- vssvc.exe (PID: 3696)
Uses RUNDLL32.EXE to load library
- ZK4500.tmp (PID: 1532)
- DrvInst.exe (PID: 2172)
Executed via COM
- DrvInst.exe (PID: 2244)
- DrvInst.exe (PID: 2172)
Removes files from Windows directory
- DrvInst.exe (PID: 2244)
- DrvInst.exe (PID: 2172)
Creates COM task schedule object
- regsvr32.exe (PID: 2344)
INFO
Application was dropped or rewritten from another process
- ZK4500.tmp (PID: 2072)
- ZK4500.tmp (PID: 1532)
Loads dropped or rewritten executable
- ZK4500.tmp (PID: 1532)
Creates files in the program directory
- ZK4500.tmp (PID: 1532)
Creates a software uninstall entry
- ZK4500.tmp (PID: 1532)
Reads settings of System Certificates
- DrvInst.exe (PID: 2244)
Searches for installed software
- DrvInst.exe (PID: 2172)
Low-level read access rights to disk partition
- vssvc.exe (PID: 3696)
Adds / modifies Windows certificates
- DrvInst.exe (PID: 2244)
Changes settings of System certificates
- DrvInst.exe (PID: 2244)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .exe | | | Inno Setup installer (77.7) |
|---|---|---|
| .exe | | | Win32 Executable Delphi generic (10) |
| .dll | | | Win32 Dynamic Link Library (generic) (4.6) |
| .exe | | | Win32 Executable (generic) (3.1) |
| .exe | | | Win16/32 Executable Delphi generic (1.4) |
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 1992:06:20 00:22:17+02:00 |
| PEType: | PE32 |
| LinkerVersion: | 2.25 |
| CodeSize: | 37888 |
| InitializedDataSize: | 17920 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x9b60 |
| OSVersion: | 1 |
| ImageVersion: | 6 |
| SubsystemVersion: | 4 |
| Subsystem: | Windows GUI |
| FileVersionNumber: | 2.3.4.0 |
| ProductVersionNumber: | 2.3.4.0 |
| FileFlagsMask: | 0x003f |
| FileFlags: | (none) |
| FileOS: | Win32 |
| ObjectFileType: | Executable application |
| FileSubtype: | - |
| LanguageCode: | Neutral |
| CharacterSet: | Unicode |
| Comments: | This installation was built with Inno Setup. |
| CompanyName: | ZKTEco Inc. |
| FileDescription: | ZKOnline SDK Setup |
| FileVersion: | 2.3.4.0 |
| LegalCopyright: | All Rights Reserved, 1998-2014 |
| ProductName: | ZKOnline SDK |
| ProductVersion: | 2.3.4.0 |
Summary
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 19-Jun-1992 22:22:17 |
| Detected languages: |
|
| Comments: | This installation was built with Inno Setup. |
| CompanyName: | ZKTEco Inc. |
| FileDescription: | ZKOnline SDK Setup |
| FileVersion: | 2.3.4.0 |
| LegalCopyright: | All Rights Reserved, 1998-2014 |
| ProductName: | ZKOnline SDK |
| ProductVersion: | 2.3.4.0 |
DOS Header
| Magic number: | MZ |
|---|---|
| Bytes on last page of file: | 0x0050 |
| Pages in file: | 0x0002 |
| Relocations: | 0x0000 |
| Size of header: | 0x0004 |
| Min extra paragraphs: | 0x000F |
| Max extra paragraphs: | 0xFFFF |
| Initial SS value: | 0x0000 |
| Initial SP value: | 0x00B8 |
| Checksum: | 0x0000 |
| Initial IP value: | 0x0000 |
| Initial CS value: | 0x0000 |
| Overlay number: | 0x001A |
| OEM identifier: | 0x0000 |
| OEM information: | 0x0000 |
| Address of NE header: | 0x00000100 |
PE Headers
| Signature: | PE |
|---|---|
| Machine: | IMAGE_FILE_MACHINE_I386 |
| Number of sections: | 8 |
| Time date stamp: | 19-Jun-1992 22:22:17 |
| 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 |
|---|---|---|---|---|---|
CODE | 0x00001000 | 0x00009280 | 0x00009400 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 6.53783 |
DATA | 0x0000B000 | 0x0000024C | 0x00000400 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 2.73544 |
BSS | 0x0000C000 | 0x00000E54 | 0x00000000 | IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 0 |
.idata | 0x0000D000 | 0x00000950 | 0x00000A00 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 4.43073 |
.tls | 0x0000E000 | 0x00000008 | 0x00000000 | IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 0 |
.rdata | 0x0000F000 | 0x00000018 | 0x00000200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_SHARED | 0.204488 |
.reloc | 0x00010000 | 0x000008B0 | 0x00000000 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_SHARED | 0 |
.rsrc | 0x00011000 | 0x00002C00 | 0x00002C00 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_SHARED | 4.48661 |
Resources
Title | Entropy | Size | Codepage | Language | Type |
|---|---|---|---|---|---|
1 | 5.05007 | 1376 | UNKNOWN | English - United States | RT_MANIFEST |
2 | 3.47151 | 1384 | UNKNOWN | Dutch - Netherlands | RT_ICON |
3 | 3.91708 | 744 | UNKNOWN | Dutch - Netherlands | RT_ICON |
4 | 3.91366 | 2216 | UNKNOWN | Dutch - Netherlands | RT_ICON |
4089 | 3.21823 | 754 | UNKNOWN | UNKNOWN | RT_STRING |
4090 | 3.31515 | 780 | UNKNOWN | UNKNOWN | RT_STRING |
4091 | 3.25024 | 718 | UNKNOWN | UNKNOWN | RT_STRING |
4093 | 2.86149 | 104 | UNKNOWN | UNKNOWN | RT_STRING |
4094 | 3.20731 | 180 | UNKNOWN | UNKNOWN | RT_STRING |
4095 | 3.04592 | 174 | UNKNOWN | UNKNOWN | RT_STRING |
Imports
advapi32.dll |
comctl32.dll |
kernel32.dll |
oleaut32.dll |
user32.dll |
Total processes
62
Monitored processes
22
Malicious processes
9
Suspicious processes
3
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1360 | "C:\Program Files\FPSensor\bin\iZHost.exe" | C:\Program Files\FPSensor\bin\iZHost.exe | — | services.exe | |||||||||||
User: SYSTEM Company: ZKSoftware Inc Integrity Level: SYSTEM Exit code: 0 Version: 1.0.0.1 Modules
| |||||||||||||||
| 1508 | "C:\Windows\system32\net.exe" start "iZHost" | C:\Windows\system32\net.exe | — | ZK4500.tmp | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Net Command Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 1532 | "C:\Users\admin\AppData\Local\Temp\is-644C1.tmp\ZK4500.tmp" /SL5="$40150,6965046,54272,C:\Users\admin\AppData\Local\Temp\ZK4500.exe" /SPAWNWND=$70128 /NOTIFYWND=$3012E | C:\Users\admin\AppData\Local\Temp\is-644C1.tmp\ZK4500.tmp | ZK4500.exe | ||||||||||||
User: admin Integrity Level: HIGH Description: Setup/Uninstall Exit code: 0 Version: 51.52.0.0 Modules
| |||||||||||||||
| 2056 | "C:\Program Files\FPSensor\bin\iZHost.exe" /Service | C:\Program Files\FPSensor\bin\iZHost.exe | — | ZK4500.tmp | |||||||||||
User: admin Company: ZKSoftware Inc Integrity Level: HIGH Exit code: 0 Version: 1.0.0.1 Modules
| |||||||||||||||
| 2072 | "C:\Users\admin\AppData\Local\Temp\is-ERLU0.tmp\ZK4500.tmp" /SL5="$3012E,6965046,54272,C:\Users\admin\AppData\Local\Temp\ZK4500.exe" | C:\Users\admin\AppData\Local\Temp\is-ERLU0.tmp\ZK4500.tmp | — | ZK4500.exe | |||||||||||
User: admin Integrity Level: MEDIUM Description: Setup/Uninstall Exit code: 0 Version: 51.52.0.0 Modules
| |||||||||||||||
| 2172 | DrvInst.exe "4" "0" "C:\Users\admin\AppData\Local\Temp\{63a8ef7d-13b3-3b67-3c81-86077e166f70}\ZKFPReader.inf" "0" "6297e85f3" "00000064" "WinSta0\Default" "00000544" "208" "C:\Program Files\FPSensor\driver" | C:\Windows\system32\DrvInst.exe | svchost.exe | ||||||||||||
User: SYSTEM Company: Microsoft Corporation Integrity Level: SYSTEM Description: Driver Installation Module Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 2244 | DrvInst.exe "4" "0" "C:\Users\admin\AppData\Local\Temp\{321624b1-059a-2081-f315-b804d80a0f47}\ZKFP.inf" "0" "668b17e0f" "000004AC" "WinSta0\Default" "00000060" "208" "C:\Program Files\FPSensor\driver" | C:\Windows\system32\DrvInst.exe | svchost.exe | ||||||||||||
User: SYSTEM Company: Microsoft Corporation Integrity Level: SYSTEM Description: Driver Installation Module Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 2292 | "C:\Windows\system32\regsvr32.exe" /s /u "zkonline.ocx" | C:\Windows\system32\regsvr32.exe | — | ZK4500.tmp | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Microsoft(C) Register Server Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 2344 | "C:\Windows\system32\regsvr32.exe" /s "C:\Windows\system32\FPCom.dll" | C:\Windows\system32\regsvr32.exe | — | ZK4500.tmp | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Microsoft(C) Register Server Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 2672 | "C:\Windows\system32\regsvr32.exe" /s "C:\Windows\system32\ksuser.dll" | C:\Windows\system32\regsvr32.exe | — | ZK4500.tmp | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Microsoft(C) Register Server Exit code: 4 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
Total events
2 000
Read events
475
Write events
1 523
Delete events
2
Modification events
| (PID) Process: | (2056) iZHost.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Direct3D\MostRecentApplication |
| Operation: | write | Name: | Name |
Value: iZHost.exe | |||
| (PID) Process: | (2056) iZHost.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Classes\AppID\{E81A21DD-0103-497E-8421-B7D1C9412565} |
| Operation: | write | Name: | |
Value: iZHost | |||
| (PID) Process: | (2056) iZHost.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Classes\AppID\iZHost.EXE |
| Operation: | write | Name: | AppID |
Value: {E81A21DD-0103-497E-8421-B7D1C9412565} | |||
| (PID) Process: | (2056) iZHost.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Classes\AppID\{E81A21DD-0103-497E-8421-B7D1C9412565} |
| Operation: | write | Name: | LocalService |
Value: iZHost | |||
| (PID) Process: | (2056) iZHost.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Classes\iZHost.FpDevCtl.1 |
| Operation: | write | Name: | |
Value: FpDevCtl Class | |||
| (PID) Process: | (2056) iZHost.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Classes\iZHost.FpDevCtl.1\CLSID |
| Operation: | write | Name: | |
Value: {2B3F37C6-1DEC-4B7F-8B57-6BBF1D3173BB} | |||
| (PID) Process: | (2056) iZHost.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Classes\iZHost.FpDevCtl |
| Operation: | write | Name: | |
Value: FpDevCtl Class | |||
| (PID) Process: | (2056) iZHost.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Classes\iZHost.FpDevCtl\CLSID |
| Operation: | write | Name: | |
Value: {2B3F37C6-1DEC-4B7F-8B57-6BBF1D3173BB} | |||
| (PID) Process: | (2056) iZHost.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Classes\iZHost.FpDevCtl\CurVer |
| Operation: | write | Name: | |
Value: iZHost.FpDevCtl.1 | |||
| (PID) Process: | (2056) iZHost.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{2B3F37C6-1DEC-4B7F-8B57-6BBF1D3173BB} |
| Operation: | write | Name: | |
Value: FpDevCtl Class | |||
Executable files
44
Suspicious files
17
Text files
108
Unknown types
32
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 1532 | ZK4500.tmp | C:\Program Files\FPSensor\is-O159S.tmp | — | |
MD5:— | SHA256:— | |||
| 1532 | ZK4500.tmp | C:\Program Files\FPSensor\bin\is-L5A5B.tmp | — | |
MD5:— | SHA256:— | |||
| 1532 | ZK4500.tmp | C:\Windows\system32\is-VC56R.tmp | — | |
MD5:— | SHA256:— | |||
| 1532 | ZK4500.tmp | C:\Windows\system32\is-C927M.tmp | — | |
MD5:— | SHA256:— | |||
| 1532 | ZK4500.tmp | C:\Windows\system32\is-H08A3.tmp | — | |
MD5:— | SHA256:— | |||
| 1532 | ZK4500.tmp | C:\Windows\system32\is-KRNDF.tmp | — | |
MD5:— | SHA256:— | |||
| 1532 | ZK4500.tmp | C:\Windows\system32\is-19UIG.tmp | — | |
MD5:— | SHA256:— | |||
| 1532 | ZK4500.tmp | C:\Windows\system32\is-H5KGS.tmp | — | |
MD5:— | SHA256:— | |||
| 1532 | ZK4500.tmp | C:\Windows\system32\is-44533.tmp | — | |
MD5:— | SHA256:— | |||
| 1532 | ZK4500.tmp | C:\Windows\system32\is-M3E1D.tmp | — | |
MD5:— | SHA256:— | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
0
DNS requests
0
Threats
0
HTTP requests
Download PCAP, analyze network streams, HTTP content and a lot more at the full report