Library / LOLBin
extrac32.exe
Microsoft® CAB File Extract Utility · Microsoft Corporation
OriginalFilename
extrac32.exe
Query snippets
logsource:
category: process_creation
product: windows
detection:
selection:
- Image|endswith: '\extrac32.exe'
- OriginalFileName: 'extrac32.exe'
condition: selectionprocess_creation logsource. Sigma string matching is case-insensitive.
| tstats summariesonly=false count values(Processes.original_file_name) as original_file_name
from datamodel=Endpoint.Processes
where (Processes.original_file_name="extrac32.exe" OR Processes.process_name="extrac32.exe")
by Processes.dest Processes.process_name Processes.process_path Processes.process
| rename Processes.* as *Endpoint.Processes data model. On raw Sysmon events the field is OriginalFileName.
DeviceProcessEvents
| where ProcessVersionInfoOriginalFileName in~ ("extrac32.exe")
or FileName =~ "extrac32.exe"Microsoft Defender XDR advanced hunting. in~ and =~ are case-insensitive.
process where event.type == "start" and
(process.pe.original_file_name in~ ("extrac32.exe") or
process.name : "extrac32.exe")ECS process.pe.original_file_name is a keyword field: in~ is case-insensitive, Kibana KQL is not.
['extrac32.exe'].includes(String(OriginalFileName || '').toLowerCase())Filter expression (JavaScript) for events carrying Sysmon's OriginalFileName field.
Values across builds
| OriginalFilename | Builds | Arch | File version | Windows releases | Source | Sysmon |
|---|---|---|---|---|---|---|
| extrac32.exe | 25 | x64, x86 | 5.0.1.1 → 10.0.10586.0 | Win10 1507 → Win11 25H2 (19) | Host scan, Winbindex | ✓ 2 |
All 25 parsed builds
| SHA256 | Version | Arch | OriginalFilename | Windows releases | Signature | Source | Sysmon |
|---|---|---|---|---|---|---|---|
| 7a8cc5e06b39… | 10.0.10240.17146 | x64 | extrac32.exe | Win10 1507 | Unsigned | Winbindex | |
| 0f5002f82d1c… | 10.0.10240.17146 | x86 | extrac32.exe | Win10 1507 | Unsigned | Winbindex | |
| 810032a4d73f… | 5.0.1.1 | x86 | extrac32.exe | Win11 24H2, Win11 25H2 | Signed (Catalog file) | Host scan, Winbindex | ✓ |
| 7f966ade3a96… | 5.0.1.1 | x64 | extrac32.exe | Win11 24H2, Win11 25H2 | Signed (Catalog file) | Host scan, Winbindex | ✓ |
| f4eff502c423… | 5.0.1.1 | x64 | extrac32.exe | Win11 21H2 | Unsigned | Winbindex | |
| 777957b5f985… | 5.0.1.1 | x86 | extrac32.exe | Win11 21H2 | Unsigned | Winbindex | |
| 6b9a927f72fc… | 5.0.1.1 | x64 | extrac32.exe | Win11 24H2 | Unsigned | Winbindex | |
| 496a98e0603c… | 5.0.1.1 | x64 | extrac32.exe | Win11 22H2, Win11 23H2 | Signed (Catalog file) | Winbindex | |
| 3fd2e3e3da86… | 5.0.1.1 | x86 | extrac32.exe | Win11 22H2, Win11 23H2 | Signed (Catalog file) | Winbindex | |
| a91d32973a10… | 5.0.1.1 | x86 | extrac32.exe | Win10 2004 … Win10 22H2 (5) | Unsigned | Winbindex | |
| a224559fd662… | 5.0.1.1 | x64 | extrac32.exe | Win10 2004 … Win10 22H2 (5) | Unsigned | Winbindex | |
| bd050055f7e9… | 5.0.1.1 | x86 | extrac32.exe | Win10 1903, Win10 1909 | Signed (Catalog file) | Winbindex | |
| 5b6d5384ef38… | 5.0.1.1 | x64 | extrac32.exe | Win10 1903, Win10 1909 | Signed (Catalog file) | Winbindex | |
| 53bef52aa017… | 5.0.1.1 | x64 | extrac32.exe | Win10 1809 | Unsigned | Winbindex | |
| 2e2cafd7954a… | 5.0.1.1 | x86 | extrac32.exe | Win10 1809 | Unsigned | Winbindex | |
| b243a478a03b… | 5.0.1.1 | x64 | extrac32.exe | Win10 1803 | Unsigned | Winbindex | |
| 8df19e7ee7dd… | 5.0.1.1 | x86 | extrac32.exe | Win10 1803 | Unsigned | Winbindex | |
| 5a293ae6dde5… | 5.0.1.1 | x64 | extrac32.exe | Win10 1709 | Unsigned | Winbindex | |
| 41cd52e4f101… | 5.0.1.1 | x86 | extrac32.exe | Win10 1709 | Unsigned | Winbindex | |
| 8f565b54cbaa… | 5.0.1.1 | x86 | extrac32.exe | Win10 1703 | Unsigned | Winbindex | |
| 7aa9c0b123af… | 5.0.1.1 | x64 | extrac32.exe | Win10 1703 | Unsigned | Winbindex | |
| fa7417fcc312… | 5.0.1.1 | x86 | extrac32.exe | Win10 1607 | Unsigned | Winbindex | |
| 2b44acf71844… | 5.0.1.1 | x64 | extrac32.exe | Win10 1607 | Unsigned | Winbindex | |
| edd5877a2e4d… | 10.0.10586.0 | x64 | extrac32.exe | Win10 1511 | Unsigned | Winbindex | |
| 6e51f33ecbbb… | 10.0.10586.0 | x86 | extrac32.exe | Win10 1511 | Unsigned | Winbindex |
Winbindex builds link to the Microsoft symbol server copy that was hashed and parsed.