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MalwareUsed by 1 actor

FolderFileGrabber

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For your environment

Hunt this family in your stack

Mallory pivots from this family to the IOCs, detections, and named campaigns that touch your stack, and pages you when something new lands.

THREAT ACTORS

Groups observed using it

1 distinct threat actor attributed by public researchers. Open in Mallory to see the full evidence chain and overlapping campaigns.

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Paper Werewolf

In at least one instance, PowerTaskel received a script containing a FolderFileGrabber component as a task. FolderFileGrabber largely replicates the functionality of FlashFileGrabber, with one key difference: it can grab files from remote systems via a hardcoded network path using the SMB protocol.

via securelistsecurelist.com
MITRE ATT&CK

Techniques & procedures

2 distinct techniques documented for this family, organized by ATT&CK tactic.

Discovery

1 technique
T1083File and Directory DiscoveryEvidence1

FlashFileGrabberOffline searches removable media for files with specific extensions... FolderFileGrabber... can grab files from remote systems via a hardcoded network path using the SMB protocol.

Lateral Movement

1 technique
T1021.002SMB/Windows Admin SharesEvidence2

FolderFileGrabber... can grab files from remote systems via a hardcoded network path using the SMB protocol. The PowerShell cmdlet “New-SmbMapping” is used to access remote system resources...

What this page doesn’t show

The version that knows your environment.

This page is what’s public. Mallory adds the parts that aren’t: which of your assets match these IOCs, which detections are missing, which campaigns to expect next, and what to do in the next 30 minutes.
IOC matching

Match every observed IP, domain, and hash against your live telemetry.

Threat actor attribution1

Named campaigns wielding this family, with evidence pinned to each claim.

Exploited vulnerabilities

CVEs this family uses for access and lateral movement.

Detection signatures

YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.

MITRE ATT&CK mapping2

Every documented technique, ranked by evidence weight.

Researcher chatter

Reddit, Mastodon, and CTI community discussion around this family.