File name:

pccheck.exe

Full analysis: https://app.any.run/tasks/8c20b751-e2e2-4d0f-881c-6e3a0f75137a
Verdict: Malicious activity
Threats:

Blank Grabber is an infostealer written in Python. It is designed to steal a wide array of data, such as browser login credentials, crypto wallets, Telegram sessions, and Discord tokens. It is an open-source malware, with its code available on GitHub and regularly receiving updates. Blank Grabber builder’s simple interface lets threat actors even with basic skills to deploy it and conduct attacks.

Malware Trends Tracker     >>>
Analysis date: January 05, 2025, 18:10:57
OS: Windows 10 Professional (build: 19045, 64 bit)
Tags:
evasion
stealer
blankgrabber
uac
screenshot
python
Indicators:
MIME: application/vnd.microsoft.portable-executable
File info: PE32+ executable (GUI) x86-64, for MS Windows, 6 sections
MD5:

88549B37C08878A000725FF5570FC42A

SHA1:

1BDEC0348F2CD8B65D502E952D8115DE28F8FF26

SHA256:

24C87721421F2DBE29535B41BBB5529D4B7EA961A21F3B80832B98CA75BCB1B1

SSDEEP:

98304:tJ3EOOzhJ8QKCt7bm6GpJ0SDao1uKSolBpmNcCpGi5TMSN3PSPQvJVfPVNbequa7:eZpp8Ygtjf45

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

    • Executing a file with an untrusted certificate

      • pccheck.exe (PID: 3796)
      • pccheck.exe (PID: 6276)

    • BlankGrabber has been detected

      • pccheck.exe (PID: 3796)

    • Bypass User Account Control (Modify registry)

      • reg.exe (PID: 6540)

    • Create files in the Startup directory

      • pccheck.exe (PID: 6320)

    • Adds path to the Windows Defender exclusion list

      • pccheck.exe (PID: 6320)

    • Actions looks like stealing of personal data

      • pccheck.exe (PID: 6320)

    • BLANKGRABBER has been detected (SURICATA)

      • pccheck.exe (PID: 6320)

  • SUSPICIOUS

    • Starts a Microsoft application from unusual location

      • pccheck.exe (PID: 3796)
      • pccheck.exe (PID: 6276)

    • Process drops legitimate windows executable

      • pccheck.exe (PID: 3796)
      • pccheck.exe (PID: 6320)

    • The process drops C-runtime libraries

      • pccheck.exe (PID: 3796)

    • Executable content was dropped or overwritten

      • pccheck.exe (PID: 3796)
      • pccheck.exe (PID: 6320)

    • Process drops python dynamic module

      • pccheck.exe (PID: 3796)

    • Application launched itself

      • pccheck.exe (PID: 3796)

    • Loads Python modules

      • pccheck.exe (PID: 6276)

    • Starts CMD.EXE for commands execution

      • pccheck.exe (PID: 6276)
      • pccheck.exe (PID: 6320)

    • Uses REG/REGEDIT.EXE to modify registry

      • cmd.exe (PID: 6380)
      • cmd.exe (PID: 6476)

    • Changes default file association

      • reg.exe (PID: 6540)

    • Found strings related to reading or modifying Windows Defender settings

      • pccheck.exe (PID: 6320)
      • pccheck.exe (PID: 6276)

    • Uses WEVTUTIL.EXE to query events from a log or log file

      • cmd.exe (PID: 6572)

    • Get information on the list of running processes

      • pccheck.exe (PID: 6320)

    • Checks for external IP

      • svchost.exe (PID: 2192)
      • pccheck.exe (PID: 6320)

  • INFO

    • The sample compiled with english language support

      • pccheck.exe (PID: 3796)
      • pccheck.exe (PID: 6320)

    • Create files in a temporary directory

      • pccheck.exe (PID: 3796)
      • pccheck.exe (PID: 6276)
      • pccheck.exe (PID: 6320)

    • Checks supported languages

      • pccheck.exe (PID: 3796)
      • pccheck.exe (PID: 6276)

    • Reads the computer name

      • pccheck.exe (PID: 3796)

    • Creates files in the program directory

      • pccheck.exe (PID: 6320)
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) (87.3)
.exe | Generic Win/DOS Executable (6.3)
.exe | DOS Executable Generic (6.3)

EXIF

EXE

MachineType: AMD AMD64
TimeStamp: 2024:12:26 22:36:46+00:00
ImageFileCharacteristics: Executable, Large address aware
PEType: PE32+
LinkerVersion: 14.41
CodeSize: 172032
InitializedDataSize: 94208
UninitializedDataSize: -
EntryPoint: 0xce20
OSVersion: 6
ImageVersion: -
SubsystemVersion: 6
Subsystem: Windows GUI
FileVersionNumber: 10.0.19041.4355
ProductVersionNumber: 10.0.19041.4355
FileFlagsMask: 0x003f
FileFlags: (none)
FileOS: Windows NT 32-bit
ObjectFileType: Dynamic link library
FileSubtype: -
LanguageCode: English (U.S.)
CharacterSet: Unicode
CompanyName: Microsoft Corporation
FileDescription: Tool for managing the Kerberos ticket cache
FileVersion: 10.0.19041.4355 (WinBuild.160101.0800)
InternalName: klist.exe
LegalCopyright: © Microsoft Corporation. All rights reserved.
OriginalFileName: klist.exe
ProductName: Microsoft® Windows® Operating System
ProductVersion: 10.0.19041.4355
No data.
screenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
248
Monitored processes
18
Malicious processes
4
Suspicious processes
2

Behavior graph

Click at the process to see the details
start #BLANKGRABBER pccheck.exe pccheck.exe no specs cmd.exe no specs conhost.exe no specs reg.exe no specs cmd.exe no specs conhost.exe no specs reg.exe no specs cmd.exe no specs conhost.exe no specs wevtutil.exe no specs cmd.exe no specs conhost.exe no specs computerdefaults.exe no specs computerdefaults.exe no specs #BLANKGRABBER pccheck.exe svchost.exe tiworker.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
2192C:\WINDOWS\system32\svchost.exe -k NetworkService -p -s DnscacheC:\Windows\System32\svchost.exe
services.exe
User:
NETWORK SERVICE
Company:
Microsoft Corporation
Integrity Level:
SYSTEM
Description:
Host Process for Windows Services
Version:
10.0.19041.1 (WinBuild.160101.0800)
Modules
Images
c:\windows\system32\svchost.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\bcrypt.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\combase.dll
c:\windows\system32\kernel.appcore.dll
3796"C:\Users\admin\AppData\Local\Temp\pccheck.exe" C:\Users\admin\AppData\Local\Temp\pccheck.exe
explorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Tool for managing the Kerberos ticket cache
Version:
10.0.19041.4355 (WinBuild.160101.0800)
Modules
Images
c:\users\admin\appdata\local\temp\pccheck.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\apphelp.dll
c:\windows\system32\user32.dll
c:\windows\system32\win32u.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\gdi32full.dll
c:\windows\system32\msvcp_win.dll
6276"C:\Users\admin\AppData\Local\Temp\pccheck.exe" C:\Users\admin\AppData\Local\Temp\pccheck.exe—pccheck.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Tool for managing the Kerberos ticket cache
Version:
10.0.19041.4355 (WinBuild.160101.0800)
Modules
Images
c:\users\admin\appdata\local\temp\pccheck.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\apphelp.dll
c:\windows\system32\user32.dll
c:\windows\system32\win32u.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\gdi32full.dll
c:\windows\system32\msvcp_win.dll
6320"C:\Users\admin\AppData\Local\Temp\pccheck.exe" C:\Users\admin\AppData\Local\Temp\pccheck.exe
—
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Tool for managing the Kerberos ticket cache
Version:
10.0.19041.4355 (WinBuild.160101.0800)
Modules
Images
c:\windows\system32\sspicli.dll
c:\windows\system32\fwpuclnt.dll
c:\windows\system32\msasn1.dll
c:\windows\system32\avicap32.dll
c:\windows\system32\msvfw32.dll
c:\windows\system32\winmm.dll
c:\windows\system32\uxtheme.dll
c:\windows\system32\dciman32.dll
c:\windows\system32\winmmbase.dll
c:\windows\system32\mmdevapi.dll
6380C:\WINDOWS\system32\cmd.exe /c "reg add hkcu\Software\Classes\ms-settings\shell\open\command /d "C:\Users\admin\AppData\Local\Temp\pccheck.exe" /f"C:\Windows\System32\cmd.exe—pccheck.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Command Processor
Exit code:
0
Version:
10.0.19041.1 (WinBuild.160101.0800)
Modules
Images
c:\windows\system32\cmd.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\apphelp.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\combase.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\sechost.dll
6396\??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1C:\Windows\System32\conhost.exe—cmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Console Window Host
Exit code:
0
Version:
10.0.19041.1 (WinBuild.160101.0800)
Modules
Images
c:\windows\system32\conhost.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcp_win.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\shcore.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\combase.dll
c:\windows\system32\rpcrt4.dll
6444reg add hkcu\Software\Classes\ms-settings\shell\open\command /d "C:\Users\admin\AppData\Local\Temp\pccheck.exe" /fC:\Windows\System32\reg.exe—cmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Registry Console Tool
Exit code:
0
Version:
10.0.19041.1 (WinBuild.160101.0800)
Modules
Images
c:\windows\system32\reg.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\apphelp.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\bcrypt.dll
6476C:\WINDOWS\system32\cmd.exe /c "reg add hkcu\Software\Classes\ms-settings\shell\open\command /v "DelegateExecute" /f"C:\Windows\System32\cmd.exe—pccheck.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Command Processor
Exit code:
0
Version:
10.0.19041.1 (WinBuild.160101.0800)
Modules
Images
c:\windows\system32\cmd.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\apphelp.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\combase.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\sechost.dll
6492\??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1C:\Windows\System32\conhost.exe—cmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Console Window Host
Exit code:
0
Version:
10.0.19041.1 (WinBuild.160101.0800)
Modules
Images
c:\windows\system32\conhost.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcp_win.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\shcore.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\combase.dll
c:\windows\system32\rpcrt4.dll
6540reg add hkcu\Software\Classes\ms-settings\shell\open\command /v "DelegateExecute" /fC:\Windows\System32\reg.exe—cmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Registry Console Tool
Exit code:
0
Version:
10.0.19041.1 (WinBuild.160101.0800)
Modules
Images
c:\windows\system32\reg.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\apphelp.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\bcrypt.dll
Total events
13 485
Read events
13 481
Write events
4
Delete events
0

Modification events

(PID) Process:(6540) reg.exeKey:HKEY_CLASSES_ROOT\ms-settings\shell\open\command
Operation:writeName:DelegateExecute
Value:
(PID) Process:(6320) pccheck.exeKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Multimedia\DrawDib
Operation:writeName: 1280x720x32(BGR 0)
Value:
31,31,31,31
(PID) Process:(8096) TiWorker.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Component Based Servicing
Operation:writeName:SessionIdHigh
Value:
31154077
(PID) Process:(8096) TiWorker.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Component Based Servicing
Operation:writeName:SessionIdLow
Value:
908189740
Executable files
19
Suspicious files
10
Text files
27
Unknown types
0

Dropped files

PID
Process
Filename
Type
3796pccheck.exeC:\Users\admin\AppData\Local\Temp\_MEI37962\VCRUNTIME140.dllexecutable
MD5:F12681A472B9DD04A812E16096514974
SHA256:D66C3B47091CEB3F8D3CC165A43D285AE919211A0C0FCB74491EE574D8D464F8
3796pccheck.exeC:\Users\admin\AppData\Local\Temp\_MEI37962\_hashlib.pydexecutable
MD5:596DF8ADA4B8BC4AE2C2E5BBB41A6C2E
SHA256:54348CFBF95FD818D74014C16343D9134282D2CF238329EEC2CDA1E2591565EC
3796pccheck.exeC:\Users\admin\AppData\Local\Temp\_MEI37962\sqlite3.dllexecutable
MD5:DDD0DD698865A11B0C5077F6DD44A9D7
SHA256:A9DD0275131105DF5611F31A9E6FBF27FD77D0A35D1A73A9F4941235FBC68BD7
3796pccheck.exeC:\Users\admin\AppData\Local\Temp\_MEI37962\libffi-8.dllexecutable
MD5:90A6B0264A81BB8436419517C9C232FA
SHA256:5C4A0D4910987A38A3CD31EAE5F1C909029F7762D1A5FAF4A2E2A7E9B1ABAB79
3796pccheck.exeC:\Users\admin\AppData\Local\Temp\_MEI37962\_socket.pydexecutable
MD5:4351D7086E5221398B5B78906F4E84AC
SHA256:A0FA25EEF91825797F01754B7D7CF5106E355CF21322E926632F90AF01280ABE
3796pccheck.exeC:\Users\admin\AppData\Local\Temp\_MEI37962\_ssl.pydexecutable
MD5:156B1FA2F11C73ED25F63EE20E6E4B26
SHA256:A9B5F6C7A94FB6BFAF82024F906465FF39F9849E4A72A98A9B03FC07BF26DA51
3796pccheck.exeC:\Users\admin\AppData\Local\Temp\_MEI37962\base_library.zipcompressed
MD5:2A138E2EE499D3BA2FC4AFAEF93B7CAA
SHA256:130E506EAD01B91B60D6D56072C468AEB5457DD0F2ECD6CE17DFCBB7D51A1F8C
3796pccheck.exeC:\Users\admin\AppData\Local\Temp\_MEI37962\blank.aesbinary
MD5:C1F24CAAB7114D00F5DB8DB0FF51467A
SHA256:AEAD17FD590070B6EA3FF5297838A318284D251177C79FB90B93682305BE75BE
3796pccheck.exeC:\Users\admin\AppData\Local\Temp\_MEI37962\libcrypto-1_1.dllexecutable
MD5:DAA2EED9DCEAFAEF826557FF8A754204
SHA256:4DAB915333D42F071FE466DF5578FD98F38F9E0EFA6D9355E9B4445FFA1CA914
3796pccheck.exeC:\Users\admin\AppData\Local\Temp\_MEI37962\python311.dllexecutable
MD5:BB46B85029B543B70276AD8E4C238799
SHA256:72C24E1DB1BA4DF791720A93CA9502D77C3738EEBF8B9092A5D82AA8D80121D0
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
6
TCP/UDP connections
28
DNS requests
13
Threats
7

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
—
—
GET
200
23.48.23.194:80
http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl
unknown
—
—
whitelisted
—
—
GET
200
184.30.21.171:80
http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl
unknown
—
—
whitelisted
5064
SearchApp.exe
GET
200
192.229.221.95:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTrjrydRyt%2BApF3GSPypfHBxR5XtQQUs9tIpPmhxdiuNkHMEWNpYim8S8YCEAI5PUjXAkJafLQcAAsO18o%3D
unknown
—
—
whitelisted
1176
svchost.exe
GET
200
192.229.221.95:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D
unknown
—
—
whitelisted
6320
pccheck.exe
GET
200
208.95.112.1:80
http://ip-api.com/line/?fields=hosting
unknown
—
—
shared
6320
pccheck.exe
GET
—
208.95.112.1:80
http://ip-api.com/json/?fields=225545
unknown
—
—
shared
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
3220
svchost.exe
40.127.240.158:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
—
—
192.168.100.255:137
—
—
—
whitelisted
—
—
40.127.240.158:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
—
—
23.48.23.194:80
crl.microsoft.com
Akamai International B.V.
DE
whitelisted
—
—
184.30.21.171:80
www.microsoft.com
AKAMAI-AS
DE
whitelisted
5064
SearchApp.exe
104.126.37.170:443
www.bing.com
Akamai International B.V.
DE
whitelisted
4
System
192.168.100.255:138
—
—
—
whitelisted
1176
svchost.exe
40.126.32.68:443
login.live.com
MICROSOFT-CORP-MSN-AS-BLOCK
NL
whitelisted
1176
svchost.exe
192.229.221.95:80
ocsp.digicert.com
EDGECAST
US
whitelisted
5064
SearchApp.exe
192.229.221.95:80
ocsp.digicert.com
EDGECAST
US
whitelisted

DNS requests

Domain
IP
Reputation
settings-win.data.microsoft.com
  • 40.127.240.158
  • 51.104.136.2
whitelisted
crl.microsoft.com
  • 23.48.23.194
  • 23.48.23.137
  • 23.48.23.176
  • 23.48.23.191
  • 23.48.23.180
  • 23.48.23.177
  • 23.48.23.147
  • 23.48.23.181
  • 23.48.23.139
whitelisted
www.microsoft.com
  • 184.30.21.171
whitelisted
google.com
  • 142.250.181.238
whitelisted
www.bing.com
  • 104.126.37.170
  • 104.126.37.128
  • 104.126.37.162
  • 104.126.37.185
  • 104.126.37.131
  • 104.126.37.129
  • 104.126.37.130
  • 104.126.37.171
  • 104.126.37.178
whitelisted
login.live.com
  • 40.126.32.68
  • 20.190.160.22
  • 20.190.160.17
  • 40.126.32.140
  • 20.190.160.20
  • 40.126.32.133
  • 40.126.32.136
  • 40.126.32.72
whitelisted
ocsp.digicert.com
  • 192.229.221.95
whitelisted
go.microsoft.com
  • 23.218.210.69
whitelisted
blank-usok7.in
  • —
unknown
ip-api.com
  • 208.95.112.1
shared

Threats

PID
Process
Class
Message
6320
pccheck.exe
Device Retrieving External IP Address Detected
ET POLICY External IP Lookup ip-api.com
2192
svchost.exe
Device Retrieving External IP Address Detected
INFO [ANY.RUN] External IP Check (ip-api .com)
2192
svchost.exe
Device Retrieving External IP Address Detected
ET INFO External IP Lookup Domain in DNS Lookup (ip-api .com)
6320
pccheck.exe
Misc activity
ET INFO Observed Discord Domain (discord .com in TLS SNI)
6320
pccheck.exe
Device Retrieving External IP Address Detected
ET POLICY External IP Lookup ip-api.com
2192
svchost.exe
Misc activity
ET INFO Observed Discord Domain in DNS Lookup (discord .com)
6320
pccheck.exe
A Network Trojan was detected
STEALER [ANY.RUN] BlankGrabber (SkochGrabber) Generic External IP Check
No debug info
Interactive malware hunting service ANY.RUN
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Reports
pccheck.exe