File name:

kbasesrv_setup_2_1.exe

Full analysis: https://app.any.run/tasks/d203ecb9-c452-4cc3-bcf6-d9b521396cf4
Verdict: Malicious activity
Threats:

Adware is a form of malware that targets users with unwanted advertisements, often disrupting their browsing experience. It typically infiltrates systems through software bundling, malicious websites, or deceptive downloads. Once installed, it may track user activity, collect sensitive data, and display intrusive ads, including pop-ups or banners. Some advanced adware variants can bypass security measures and establish persistence on devices, making removal challenging. Additionally, adware can create vulnerabilities that other malware can exploit, posing a significant risk to user privacy and system security.

Analysis date: August 09, 2019, 03:30:53
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
adware
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed
MD5:

00B4116350EF20E0006C95374917FAD3

SHA1:

ADC029CF52BFB452B2851F34700A941648560704

SHA256:

BC6B2E85724E42569A11100E005AD1190E9205E51C51978CFBF8C871687ECD64

SSDEEP:

196608:a5lEw7DwW7h8Csq6gteI4LlFUQhBupObSvQW7SBkuA+nEcf:MlPb/b6gszFUQ3oJQWF1+9

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

    • Application was dropped or rewritten from another process

      • kbasesrv.exe (PID: 3632)
      • kbasesrv.exe (PID: 2092)
      • kbasesrv.exe (PID: 3528)
    • Loads dropped or rewritten executable

      • kbasesrv.exe (PID: 3528)
    • Connects to CnC server

      • kbasesrv_setup_2_1.exe (PID: 3488)
      • kbasesrv.exe (PID: 3528)
  • SUSPICIOUS

    • Creates files in the driver directory

      • kbasesrv.exe (PID: 3528)
    • Executable content was dropped or overwritten

      • kbasesrv.exe (PID: 3528)
      • kbasesrv_setup_2_1.exe (PID: 3488)
    • Creates files in the Windows directory

      • kbasesrv.exe (PID: 3528)
    • Creates files in the program directory

      • kbasesrv_setup_2_1.exe (PID: 3488)
      • kbasesrv.exe (PID: 3528)
    • Creates a software uninstall entry

      • kbasesrv_setup_2_1.exe (PID: 3488)
    • Executed as Windows Service

      • kbasesrv.exe (PID: 3528)
    • Removes files from Windows directory

      • kbasesrv.exe (PID: 3528)
  • 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

.exe | Win64 Executable (generic) (28.6)
.exe | UPX compressed Win32 Executable (28)
.exe | Win32 EXE Yoda's Crypter (27.5)
.dll | Win32 Dynamic Link Library (generic) (6.8)
.exe | Win32 Executable (generic) (4.6)

EXIF

EXE

MachineType: Intel 386 or later, and compatibles
TimeStamp: 1970:01:04 21:26:40+01:00
PEType: PE32
LinkerVersion: 8
CodeSize: 311296
InitializedDataSize: 20480
UninitializedDataSize: 483328
EntryPoint: 0xc2dc0
OSVersion: 4
ImageVersion: -
SubsystemVersion: 4
Subsystem: Windows GUI
FileVersionNumber: 2018.2.2.27887
ProductVersionNumber: 9.3.5495.411
FileFlagsMask: 0x003f
FileFlags: (none)
FileOS: Windows NT 32-bit
ObjectFileType: Dynamic link library
FileSubtype: -
LanguageCode: Neutral
CharacterSet: Unicode
CompanyName: Kingsoft Corporation
FileDescription: Kingsoft Install Module
FileVersion: 2018,01,22,411
InternalName: kinstall.exe
LegalCopyright: Copyright (C) 1998-2018 Kingsoft Corporation
OriginalFileName: kinstall.exe
ProductName: Kingsoft Internet Security
ProductVersion: 9,3,333175,411

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 04-Jan-1970 20:26:40
Detected languages:
  • Chinese - PRC
  • English - United States
CompanyName: Kingsoft Corporation
FileDescription: Kingsoft Install Module
FileVersion: 2018,01,22,411
InternalName: kinstall.exe
LegalCopyright: Copyright (C) 1998-2018 Kingsoft Corporation
OriginalFilename: kinstall.exe
ProductName: Kingsoft Internet Security
ProductVersion: 9,3,333175,411

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: 3
Time date stamp: 04-Jan-1970 20:26:40
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_RELOCS_STRIPPED

Sections

Name
Virtual Address
Virtual Size
Raw Size
Charateristics
Entropy
UPX0
0x00001000
0x00076000
0x00000000
IMAGE_SCN_CNT_UNINITIALIZED_DATA, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
0
UPX1
0x00077000
0x0004C000
0x0004C000
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
7.92877
.rsrc
0x000C3000
0x00005000
0x00005000
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
4.92308

Resources

Title
Entropy
Size
Codepage
Language
Type
1
5.253
1054
Latin 1 / Western European
English - United States
RT_MANIFEST
2
4.55565
4264
Latin 1 / Western European
Chinese - PRC
RT_ICON
3
3.70873
1128
Latin 1 / Western European
Chinese - PRC
RT_ICON
IDI_ICON
2.45849
48
Latin 1 / Western European
Chinese - PRC
RT_GROUP_ICON

Imports

ADVAPI32.dll
IPHLPAPI.DLL
KERNEL32.DLL
NETAPI32.dll
OLEAUT32.dll
PSAPI.DLL
SHELL32.dll
SHLWAPI.dll
USER32.dll
VERSION.dll
No data.
screenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
43
Monitored processes
5
Malicious processes
2
Suspicious processes
0

Behavior graph

Click at the process to see the details
drop and start drop and start start kbasesrv_setup_2_1.exe kbasesrv.exe no specs kbasesrv.exe no specs kbasesrv.exe kbasesrv_setup_2_1.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
2092"C:\Program Files\kbasesrv\kbasesrv.exe" /startC:\Program Files\kbasesrv\kbasesrv.exekbasesrv_setup_2_1.exe
User:
admin
Company:
Kingsoft Corporation
Integrity Level:
HIGH
Description:
Kingsoft Internet Security Base Service
Exit code:
0
Version:
2016,05,23,197
Modules
Images
c:\program files\kbasesrv\kbasesrv.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\advapi32.dll
3364"C:\Users\admin\AppData\Local\Temp\kbasesrv_setup_2_1.exe" C:\Users\admin\AppData\Local\Temp\kbasesrv_setup_2_1.exeexplorer.exe
User:
admin
Company:
Kingsoft Corporation
Integrity Level:
MEDIUM
Description:
Kingsoft Install Module
Exit code:
3221226540
Version:
2018,01,22,411
Modules
Images
c:\users\admin\appdata\local\temp\kbasesrv_setup_2_1.exe
c:\systemroot\system32\ntdll.dll
3488"C:\Users\admin\AppData\Local\Temp\kbasesrv_setup_2_1.exe" C:\Users\admin\AppData\Local\Temp\kbasesrv_setup_2_1.exe
explorer.exe
User:
admin
Company:
Kingsoft Corporation
Integrity Level:
HIGH
Description:
Kingsoft Install Module
Exit code:
0
Version:
2018,01,22,411
Modules
Images
c:\users\admin\appdata\local\temp\kbasesrv_setup_2_1.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\nsi.dll
c:\windows\system32\iphlpapi.dll
3528"C:\Program Files\kbasesrv\kbasesrv.exe"C:\Program Files\kbasesrv\kbasesrv.exe
services.exe
User:
SYSTEM
Company:
Kingsoft Corporation
Integrity Level:
SYSTEM
Description:
Kingsoft Internet Security Base Service
Exit code:
0
Version:
2016,05,23,197
Modules
Images
c:\program files\kbasesrv\kbasesrv.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\advapi32.dll
3632"C:\Program Files\kbasesrv\kbasesrv.exe" /installC:\Program Files\kbasesrv\kbasesrv.exekbasesrv_setup_2_1.exe
User:
admin
Company:
Kingsoft Corporation
Integrity Level:
HIGH
Description:
Kingsoft Internet Security Base Service
Exit code:
0
Version:
2016,05,23,197
Modules
Images
c:\program files\kbasesrv\kbasesrv.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\advapi32.dll
Total events
221
Read events
183
Write events
38
Delete events
0

Modification events

(PID) Process:(3488) kbasesrv_setup_2_1.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{9B7A98EC-7EF9-468c-ACC8-37C793DBD7E0}\Implemented Categories\{A5F7140E-4311-4ef9-AABC-F55941B5EBE5}
Operation:writeName:idno
Value:
0
(PID) Process:(3488) kbasesrv_setup_2_1.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{9B7A98EC-7EF9-468c-ACC8-37C793DBD7E0}\Implemented Categories\{A5F7140E-4311-4ef9-AABC-F55941B5EBE5}
Operation:writeName:idno
Value:
1
(PID) Process:(3488) kbasesrv_setup_2_1.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{9B7A98EC-7EF9-468c-ACC8-37C793DBD7E0}\Implemented Categories\{A5F7140E-4311-4ef9-AABC-F55941B5EBE5}
Operation:writeName:idex
Value:
c7e54af0287fe8b918df277b5bf1c664
(PID) Process:(3488) kbasesrv_setup_2_1.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\kbasesrv
Operation:writeName:mac_value
Value:
52-54-00-4A-04-AF
(PID) Process:(3488) kbasesrv_setup_2_1.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\kbasesrv
Operation:writeName:ProgramPath
Value:
C:\Program Files\kbasesrv\
(PID) Process:(3488) kbasesrv_setup_2_1.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\kbasesrv\Setup
Operation:writeName:iid
Value:
158
(PID) Process:(3488) kbasesrv_setup_2_1.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\kbasesrv\Setup
Operation:writeName:tid1
Value:
1
(PID) Process:(3488) kbasesrv_setup_2_1.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\kbasesrv\Setup
Operation:writeName:tid2
Value:
1
(PID) Process:(3488) kbasesrv_setup_2_1.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\kbasesrv\Setup
Operation:writeName:tod1
Value:
0
(PID) Process:(3488) kbasesrv_setup_2_1.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\kbasesrv\Setup
Operation:writeName:tod2
Value:
0
Executable files
60
Suspicious files
18
Text files
34
Unknown types
4

Dropped files

PID
Process
Filename
Type
3488kbasesrv_setup_2_1.exeC:\Users\admin\AppData\Local\Temp\kbasesrv_Install_0036F507\setup.xmlxml
MD5:
SHA256:
3488kbasesrv_setup_2_1.exeC:\Users\admin\AppData\Local\Temp\kbasesrv\install.logtext
MD5:
SHA256:
3488kbasesrv_setup_2_1.exeC:\Program Files\kbasesrv\kcdpt\scene\commonpop.initext
MD5:
SHA256:
3488kbasesrv_setup_2_1.exeC:\Program Files\kbasesrv\data\kccprotocol_cfg.initext
MD5:
SHA256:
3488kbasesrv_setup_2_1.exeC:\Program Files\kbasesrv\kquickpop.initext
MD5:
SHA256:
3488kbasesrv_setup_2_1.exeC:\Program Files\kbasesrv\kcdpt\scene\quickpop_scene_now.initext
MD5:
SHA256:
3488kbasesrv_setup_2_1.exeC:\Program Files\kbasesrv\kcdpt\scene\quickpop_scene_set.initext
MD5:
SHA256:
3488kbasesrv_setup_2_1.exeC:\Program Files\kbasesrv\kcdpt\scene\shortcuttip.initext
MD5:
SHA256:
3488kbasesrv_setup_2_1.exeC:\Program Files\kbasesrv\data\fnsign.dattext
MD5:
SHA256:
3488kbasesrv_setup_2_1.exeC:\Program Files\kbasesrv\install.xmlxml
MD5:
SHA256:
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
8
TCP/UDP connections
9
DNS requests
8
Threats
8

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
3528
kbasesrv.exe
POST
200
139.199.218.80:80
http://did.ijinshan.com/db/?v=2&p=db&u=c7e54af0287fe8b918df277b5bf1c664&m=5254004a04af0000&ip=-899372864&s=ca92d66854f27a87ab26f7b903bce0c8
CN
text
45 b
malicious
3528
kbasesrv.exe
POST
200
211.159.130.105:80
http://helpkprotect1.ksmobile.com/nep/v1/
CN
binary
93 b
malicious
3528
kbasesrv.exe
POST
200
110.43.89.9:80
http://rq.kpcct.cloud.duba.net/query?1565321475
CN
binary
1.18 Kb
unknown
3488
kbasesrv_setup_2_1.exe
POST
200
211.159.130.105:80
http://helpkprotect1.ksmobile.com/nep/v1/
CN
binary
93 b
malicious
3528
kbasesrv.exe
POST
125.39.136.78:80
http://wq.cloud.duba.net/cityinfo
CN
suspicious
3528
kbasesrv.exe
POST
200
211.159.130.105:80
http://helpkprotect1.ksmobile.com/nep/v1/
CN
binary
93 b
malicious
3528
kbasesrv.exe
GET
200
23.37.43.27:80
http://ocsp.verisign.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBS56bKHAoUD%2BOyl%2B0LhPg9JxyQm4gQUf9Nlp8Ld7LvwMAnzQzn6Aq8zMTMCEFIA5aolVvwahu2WydRLM8c%3D
NL
der
1.71 Kb
whitelisted
3528
kbasesrv.exe
GET
200
93.184.220.29:80
http://sf.symcb.com/sf.crl
US
binary
157 Kb
whitelisted
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
3528
kbasesrv.exe
110.43.89.9:80
rq.kpcct.cloud.duba.net
CN
unknown
3528
kbasesrv.exe
139.199.218.80:80
did.ijinshan.com
Shenzhen Tencent Computer Systems Company Limited
CN
malicious
3528
kbasesrv.exe
93.184.220.29:80
sf.symcb.com
MCI Communications Services, Inc. d/b/a Verizon Business
US
whitelisted
3528
kbasesrv.exe
125.39.136.78:80
wq.cloud.duba.net
CHINA UNICOM China169 Backbone
CN
unknown
3488
kbasesrv_setup_2_1.exe
211.159.130.105:80
helpkprotect1.ksmobile.com
Shenzhen Tencent Computer Systems Company Limited
CN
malicious
3528
kbasesrv.exe
211.159.130.105:80
helpkprotect1.ksmobile.com
Shenzhen Tencent Computer Systems Company Limited
CN
malicious
3528
kbasesrv.exe
23.37.43.27:80
ocsp.verisign.com
Akamai Technologies, Inc.
NL
whitelisted

DNS requests

Domain
IP
Reputation
helpkprotect1.ksmobile.com
  • 211.159.130.105
malicious
rq.kpcct.cloud.duba.net
  • 110.43.89.9
unknown
did.ijinshan.com
  • 139.199.218.80
malicious
ocsp.verisign.com
  • 23.37.43.27
whitelisted
sf.symcd.com
  • 23.37.43.27
whitelisted
wq.cloud.duba.net
  • 125.39.136.78
  • 115.182.195.29
suspicious
sf.symcb.com
  • 93.184.220.29
whitelisted

Threats

PID
Process
Class
Message
3488
kbasesrv_setup_2_1.exe
Misc activity
ADWARE [PTsecurity] W32/Kingsoft Checkin
3488
kbasesrv_setup_2_1.exe
Misc activity
ADWARE [PTsecurity] W32/Kingsoft Response
3528
kbasesrv.exe
Misc activity
ADWARE [PTsecurity] PUP.Win32/KingSoft.E (antivirus)
3528
kbasesrv.exe
Misc activity
ADWARE [PTsecurity] W32/Kingsoft Checkin
3528
kbasesrv.exe
Misc activity
ADWARE [PTsecurity] W32/Kingsoft Response
3528
kbasesrv.exe
Misc activity
ADWARE [PTsecurity] W32/Kingsoft Checkin
3528
kbasesrv.exe
Misc activity
ADWARE [PTsecurity] W32/Kingsoft Response
1 ETPRO signatures available at the full report
Process
Message
kbasesrv.exe
<ERROR>StartCheck OK!