Emerging Threathightest
Emotet Loader Execution Via .LNK File
Detects the Emotet Epoch4 loader as reported by @malware_traffic back in 2022. The ".lnk" file was delivered via phishing campaign.
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Launch
Emerging Threat
Active Threat
Developed to detect an active or emerging threat. Prioritize investigation of any alerts and correlate with threat intelligence.
Log Source
WindowsProcess Creation
ProductWindows← raw: windows
CategoryProcess Creation← raw: process_creation
Events generated when a new process is spawned on the system. Covers command-line arguments, parent/child relationships, and process metadata.
Detection Logic
Detection Logic1 selector
detection:
selection:
ParentImage|endswith:
- '\cmd.exe'
- '\explorer.exe'
- '\powershell.exe'
Image|endswith:
- '\cmd.exe'
- '\powershell.exe'
CommandLine|contains|all:
- 'findstr'
- '.vbs'
- '.lnk'
condition: selectionFalse Positives
Unlikely
False positives are unlikely for most environments. High confidence detection.
MITRE ATT&CK
Rule Metadata
Rule ID
1f32d820-1d5c-43fe-8fe2-feef0c952eb7
Status
test
Level
high
Type
Emerging Threat
Created
Fri Apr 22
Modified
Thu Aug 15
Author
Path
rules-emerging-threats/2022/Malware/Emotet/proc_creation_win_malware_emotet_loader_execution.yml
Raw Tags
attack.executionattack.t1059.006detection.emerging-threats