Detection rules › Sigma

HackTool - PCHunter Execution

Severity
high
Author
Florian Roth (Nextron Systems), Nasreddine Bencherchali
Source
upstream

Detects suspicious use of PCHunter, a tool like Process Hacker to view and manipulate processes, kernel options and other low level stuff

MITRE ATT&CK coverage

TacticTechniques
DiscoveryT1007 System Service Discovery, T1012 Query Registry, T1057 Process Discovery, T1082 System Information Discovery, T1083 File and Directory Discovery

Event coverage

ProviderEvent IDTitle
Sysmon1Process creation

Stages and Predicates

Stage 1: 1 of selection_image

or:
Image|endswith: '\PCHunter32.exe'
Image|endswith: '\PCHunter64.exe'

Stage 2: 1 of selection_pe

or:
Description: 'Epoolsoft Windows Information View Tools'
OriginalFileName: PCHunter.exe

Stage 3: 1 of selection_hashes

or:
Hashes|contains: 'IMPHASH=0479F44DF47CFA2EF1CCC4416A538663'
Hashes|contains: 'IMPHASH=444D210CEA1FF8112F256A4997EED7FF'
Hashes|contains: 'MD5=228DD0C2E6287547E26FFBD973A40F14'
Hashes|contains: 'MD5=987B65CD9B9F4E9A1AFD8F8B48CF64A7'
Hashes|contains: 'SHA1=3FB89787CB97D902780DA080545584D97FB1C2EB'
Hashes|contains: 'SHA1=5F1CBC3D99558307BC1250D084FA968521482025'
Hashes|contains: 'SHA256=2B214BDDAAB130C274DE6204AF6DBA5AEEC7433DA99AA950022FA306421A6D32'
Hashes|contains: 'SHA256=55F041BF4E78E9BFA6D4EE68BE40E496CE3A1353E1CA4306598589E19802522C'

Indicators

Each row is a field, operator, and value that the rule matches. The corpus column counts how many other rules in the catalog look for the same combination: high numbers point to widely-used, community-vetted indicators. Blank or 1 shows that the indicator is specific to this rule.

FieldKindValues
Descriptioneq
  • Epoolsoft Windows Information View Tools
Hashesmatch
  • IMPHASH=0479F44DF47CFA2EF1CCC4416A538663
  • IMPHASH=444D210CEA1FF8112F256A4997EED7FF
  • MD5=228DD0C2E6287547E26FFBD973A40F14
  • MD5=987B65CD9B9F4E9A1AFD8F8B48CF64A7
  • SHA1=3FB89787CB97D902780DA080545584D97FB1C2EB
  • SHA1=5F1CBC3D99558307BC1250D084FA968521482025
  • SHA256=2B214BDDAAB130C274DE6204AF6DBA5AEEC7433DA99AA950022FA306421A6D32
  • SHA256=55F041BF4E78E9BFA6D4EE68BE40E496CE3A1353E1CA4306598589E19802522C
Imageends_with
  • \PCHunter32.exe
  • \PCHunter64.exe
OriginalFileNameeq
  • PCHunter.exe