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File name:

WinClient.exe

Full analysis: https://app.any.run/tasks/1cb1b890-f3b5-4f65-8416-cf6c00861f1a
Verdict: Malicious activity
Analysis date: October 20, 2020, 10:17:37
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
installer
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386, for MS Windows
MD5:

1F94352767F3885EBFDEFA6E5863D478

SHA1:

46771BA31DC99B8F30E925188849C25972FAAA62

SHA256:

CD53EA3362C08660C329003254DFCC52933FBF5D5E7B15FAB53176C77C0B44B5

SSDEEP:

49152:0Rf1adhkqK8i68rxuwkrW6uR200xp9l8Lige:WfwuqKlRUrW6uR299T

ANY.RUN is an interactive service which provides full access to the guest system. Information in this report could be distorted by user actions and is provided for user acknowledgement as it is. ANY.RUN does not guarantee maliciousness or safety of the content.

  • MALICIOUS

    • Loads dropped or rewritten executable

      • Regsvr32.exe (PID: 1940)
      • WinClient.exe (PID: 2664)

    • Registers / Runs the DLL via REGSVR32.EXE

      • WinClient.exe (PID: 2664)

  • SUSPICIOUS

    • Executable content was dropped or overwritten

      • WinClient.exe (PID: 2664)

  • INFO

    No info indicators.
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.ax | DirectShow filter (46.3)
.exe | InstallShield setup (9.8)
.exe | Win32 Executable MS Visual C++ (generic) (7.1)
.exe | Win64 Executable (generic) (6.3)

EXIF

EXE

SpecialBuild: -
ProductVersion: 1, 0, 0, 1
ProductName: WinClient Application
PrivateBuild: -
OriginalFileName: WinClient.EXE
LegalTrademarks: -
LegalCopyright: Copyright (C) 2008
InternalName: WinClient
FileVersion: 1, 0, 0, 1
FileDescription: WinClient MFC Application
CompanyName: -
Comments: -
CharacterSet: Unicode
LanguageCode: English (U.S.)
FileSubtype: -
ObjectFileType: Executable application
FileOS: Win32
FileFlags: (none)
FileFlagsMask: 0x003f
ProductVersionNumber: 1.0.0.1
FileVersionNumber: 1.0.0.1
Subsystem: Windows GUI
SubsystemVersion: 4
ImageVersion: -
OSVersion: 4
EntryPoint: 0x5d9f
UninitializedDataSize: -
InitializedDataSize: 2953538
CodeSize: 24576
LinkerVersion: 6
PEType: PE32
TimeStamp: 2016:02:26 01:59:38+01:00
MachineType: Intel 386 or later, and compatibles

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 26-Feb-2016 00:59:38
Detected languages:
  • English - Canada
  • English - United States
Comments: -
CompanyName: -
FileDescription: WinClient MFC Application
FileVersion: 1, 0, 0, 1
InternalName: WinClient
LegalCopyright: Copyright (C) 2008
LegalTrademarks: -
OriginalFilename: WinClient.EXE
PrivateBuild: -
ProductName: WinClient Application
ProductVersion: 1, 0, 0, 1
SpecialBuild: -

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: 0x000000F8

PE Headers

Signature: PE
Machine: IMAGE_FILE_MACHINE_I386
Number of sections: 4
Time date stamp: 26-Feb-2016 00:59:38
Pointer to Symbol Table: 0x00000000
Number of symbols: 0
Size of Optional Header: 0x00E0
Characteristics:
  • IMAGE_FILE_32BIT_MACHINE
  • IMAGE_FILE_EXECUTABLE_IMAGE
  • IMAGE_FILE_LINE_NUMS_STRIPPED
  • IMAGE_FILE_LOCAL_SYMS_STRIPPED
  • IMAGE_FILE_RELOCS_STRIPPED

Sections

Name
Virtual Address
Virtual Size
Raw Size
Charateristics
Entropy
.text
0x00001000
0x00005344
0x00006000
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
5.3802
.rdata
0x00007000
0x0000199E
0x00002000
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
4.19784
.data
0x00009000
0x000005B8
0x00001000
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
2.02197
.rsrc
0x0000A000
0x00001458
0x00002000
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
2.85971

Resources

Title
Entropy
Size
Codepage
Language
Type
1
3.34256
860
UNKNOWN
English - United States
RT_VERSION
7
1.94432
70
UNKNOWN
English - United States
RT_STRING
100
3.37387
274
UNKNOWN
English - United States
RT_DIALOG
102
3.05807
292
UNKNOWN
English - United States
RT_DIALOG
143
1.91924
20
UNKNOWN
English - Canada
RT_GROUP_ICON

Imports

ADVAPI32.dll
KERNEL32.dll
MFC42.DLL
MSVCRT.dll
USER32.dll
VERSION.dll
ole32.dll
No data.
screenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
39
Monitored processes
2
Malicious processes
1
Suspicious processes
1

Behavior graph

Click at the process to see the details
start winclient.exe regsvr32.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
2664"C:\Users\admin\Desktop\WinClient.exe" C:\Users\admin\Desktop\WinClient.exe
explorer.exe
User:
admin
Integrity Level:
MEDIUM
Description:
WinClient MFC Application
Version:
1, 0, 0, 1
1940Regsvr32 /s WinClient31.ocxC:\Windows\system32\Regsvr32.exe—WinClient.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Microsoft(C) Register Server
Exit code:
5
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Total events
26
Read events
15
Write events
11
Delete events
0

Modification events

(PID) Process:(2664) WinClient.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Akvm\Viewer8601
Operation:writeName:Filename
Value:
C:\Users\admin\Desktop\WinClient.exe
(PID) Process:(2664) WinClient.exeKey:HKEY_CURRENT_USER\Software\Microsoft\DirectInput\WINCLIENT.EXE56CFA37A002D8142
Operation:writeName:Name
Value:
WINCLIENT.EXE
(PID) Process:(2664) WinClient.exeKey:HKEY_CURRENT_USER\Software\Microsoft\DirectInput\WINCLIENT.EXE56CFA37A002D8142
Operation:writeName:UsesMapper
Value:
00000000
(PID) Process:(2664) WinClient.exeKey:HKEY_CURRENT_USER\Software\Microsoft\DirectInput\MostRecentApplication
Operation:writeName:Name
Value:
WINCLIENT.EXE
(PID) Process:(2664) WinClient.exeKey:HKEY_CURRENT_USER\Software\Microsoft\DirectInput\MostRecentApplication
Operation:writeName:Id
Value:
WINCLIENT.EXE56CFA37A002D8142
(PID) Process:(2664) WinClient.exeKey:HKEY_CURRENT_USER\Software\Microsoft\DirectInput\MostRecentApplication
Operation:writeName:Version
Value:
00080000
(PID) Process:(2664) WinClient.exeKey:HKEY_CURRENT_USER\Software\Microsoft\DirectInput\MostRecentApplication
Operation:writeName:MostRecentStart
Value:
4623E346CAA6D601
(PID) Process:(2664) WinClient.exeKey:HKEY_CURRENT_USER\Software\Microsoft\DirectInput\MostRecentApplication
Operation:writeName:MostRecentStart
Value:
7EAE1C54CAA6D601
Executable files
5
Suspicious files
0
Text files
10
Unknown types
0

Dropped files

PID
Process
Filename
Type
2664WinClient.exeC:\Users\admin\AppData\Local\Temp\virtualkey_amd64.sysexecutable
MD5:C3C0D165A3D28951CF04B66B28BED0E8
SHA256:105D5B2EE896615466B6B993D3CE84810541051378FCCEC66C261A914D8E531D
2664WinClient.exeC:\Users\admin\AppData\Local\Temp\testinstall.exeexecutable
MD5:1385552E2DA7FA090750E667114301DA
SHA256:DC249FC95D8B4007C8203990CA56F30E0210FEF53FF88F96987CD51D2D799047
2664WinClient.exeC:\Users\admin\AppData\Local\Temp\virtualkey.sysexecutable
MD5:55FE14D5FAC006D0F602C77D7F2A6FFF
SHA256:456C70E5EDE99232F3E92D58846003096BD7C59E29359D726304846A04796FB0
2664WinClient.exeC:\Users\admin\AppData\Local\Temp\testinstall64.exeexecutable
MD5:C2F27D9E8ED8D6D5D5F2E0BDE1B15534
SHA256:4D7AB0A6B22F463B0873645A7FB76D7842A7540C1F4519122E64C8CB25DC1616
2664WinClient.exeC:\USERS\ADMIN\TEMP\DEFAULT.INItext
MD5:EBFE60484FC228D1C0AEC0EDCB7F04F4
SHA256:4A0EF0FA91AD616F5C3566A9F878660FA88E40E8B10CA2BD3F93881CB021E463
2664WinClient.exeC:\Users\admin\TEMP\WinClient31.ocxexecutable
MD5:D37AC3EDD933C6BE9A262A8D9309E191
SHA256:0D6F41EFAF935728BCFDE7351B92805499C6F77A33DFC952F7A1DB45E9F89BC5
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

No HTTP requests
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

No data

DNS requests

No data

Threats

No threats detected
Process
Message
WinClient.exe
Connect *** GetFromCmdLine tick = 2967171
WinClient.exe
Connect *** init1 tick = 2967203
WinClient.exe
Connect *** init1 before kvmdc tick = 2967375
WinClient.exe
Connect *** init2 before kvmdc tick = 2967375
WinClient.exe
Connect *** init3 before kvmdc tick = 2967421
WinClient.exe
Connect *** init4 before kvmdc tick = 2967437
WinClient.exe
Connect *** init7 before kvmdc tick = 2967562
WinClient.exe
Connect *** init8 before kvmdc tick = 2967562
WinClient.exe
Connect *** init9 before kvmdc tick = 2967562
WinClient.exe
Connect *** init1 after tick = 2967562
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Reports
WinClient.exe