Preparation.exe

  • File Path: C:\ProgramData\Package Cache\00000000-0000-0000-0000-000000000000\packages\patch_KB3110221\Preparation.exe
  • Description: Microsoft Visual Studio 2015

Hashes

Type Hash
MD5 6103F3E05186AA3A496E7521C59F2E30
SHA1 504D877BF18A9EA7E18D968EA7A305ED9E322C16
SHA256 FE5E41220930AC6DB6C7413A1F62835A5C5EFF9EEFB2083F813AA91270A63CA5
SHA384 5F32C761CC70F9D2EB6CF04E0BE0201B34781AA995F914258DA3BF0DD74B5038DCE2560BE100AB3FD403628ADF91C7B3
SHA512 58BAF260BAB9D740063099BA2A72797F262522850096C00E38E63F3C95B72A540FE9338F84385EAB101059DF19B1C54FB1278E62EBC1DFE4F48DD19140209EE1
SSDEEP 3072:h3PpcWd0dAeJopCjW+C1dvI8YOOYI0UmpKpmV2aT5qTEoN:EdAeJQCg7AmbEadEN

Signature

  • Status: Signature verified.
  • Serial: 330000010A2C79AED7797BA6AC00010000010A
  • Thumbprint: 3BDA323E552DB1FDE5F4FBEE75D6D5B2B187EEDC
  • Issuer: CN=Microsoft Code Signing PCA, O=Microsoft Corporation, L=Redmond, S=Washington, C=US
  • Subject: CN=Microsoft Corporation, OU=MOPR, O=Microsoft Corporation, L=Redmond, S=Washington, C=US

File Metadata

  • Original Filename: Preparation.exe
  • Product Name: Microsoft Visual Studio Preparation
  • Company Name: Microsoft Corporation
  • File Version: 14.0.24730.2 built by: D14VSULDR
  • Product Version: 14.0.24730.2
  • Language: English (United States)
  • Legal Copyright: Microsoft Corporation. All rights reserved.

File Similarity (ssdeep match)

File Score
C:\ProgramData\Package Cache\00000000-0000-0000-0000-000000000000\packages\vsupdate_KB3022398\Preparation.exe 80
C:\ProgramData\Package Cache\00000000-0000-0000-0000-000000000000\packages\wdexpress_full\Preparation.exe 80

Possible Misuse

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

Source Source File Example License
sigma lnx_shell_priv_esc_prep.yml title: Privilege Escalation Preparation DRL 1.0
sigma lnx_shell_priv_esc_prep.yml description: Detects suspicious shell commands indicating the information gathering phase as preparation for the Privilege Escalation. DRL 1.0
sigma lnx_shell_priv_esc_prep.yml - https://patrick-bareiss.com/detect-privilege-escalation-preparation-in-linux-with-sigma/ DRL 1.0
sigma win_tap_driver_installation.yml description: Well-known TAP software installation. Possible preparation for data exfiltration using tunnelling techniques DRL 1.0
sigma win_tap_installer_execution.yml description: Well-known TAP software installation. Possible preparation for data exfiltration using tunneling techniques DRL 1.0

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