2 malware familiesExploits CVEs in the wild

Gallmaker

Also known asGallmaker

Gallmaker is a threat actor tracked in the provided content as conducting spearphishing operations using malicious Microsoft Office document attachments. The lures included documents warning victims to "enable content" to trigger execution. The group used PowerShell to download additional payloads and for execution, and also used obfuscated shellcode during execution. The content associates Gallmaker with ATT&CK techniques including T1204.002 (Malicious File Execution), T1059.001 (PowerShell), and T1129 (Shared Modules). One cited description states that Gallmaker appears interested in overseas embassies as well as military and defense targets in the Middle East. The content also notes Gallmaker in association with detection coverage for UDL-file-based spearphishing attachment activity. No additional aliases or sub-groups are provided beyond the name Gallmaker.

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MITRE ATT&CK

Tradecraft

30 distinct techniques observed across reporting, grouped by tactic. Hover any cell for the evidence excerpt; click through for MITRE's full description.

11 of 15 tactics43 techniques×N= number of intelligence reports citing this technique

MITRE ATT&CK

TA0043

Reconnaissance

1 technique

T1592

Gather Victim Host Information

TA0042

Resource Development

1 technique

T1608

Stage Capabilities

TA0001

Initial Access

1 technique

T1566

Phishing

T1566.001×24

Spearphishing Attachment

T1566.002×4

Spearphishing Link

TA0002

Execution

5 techniques

T1053

Scheduled Task/Job

T1053.005

Scheduled Task

T1059

Command and Scripting Interpreter

T1059.001×25

PowerShell

T1059.005

Visual Basic

T1059.007

JavaScript

T1129

Shared Modules

T1204

User Execution

T1204.001

Malicious Link

T1204.002×10

Malicious File

T1574

Hijack Execution Flow

TA0003

Persistence

2 techniques

T1053

Scheduled Task/Job

T1053.005

Scheduled Task

T1546

Event Triggered Execution

T1546.015

Component Object Model Hijacking

TA0004

Privilege Escalation

3 techniques

T1053

Scheduled Task/Job

T1053.005

Scheduled Task

T1055

Process Injection

T1546

Event Triggered Execution

T1546.015

Component Object Model Hijacking

TA0005

Stealth

5 techniques

T1027×8

Obfuscated Files or Information

T1027.005

Indicator Removal from Tools

T1027.010

Command Obfuscation

T1036

Masquerading

T1036.008

Masquerade File Type

T1055

Process Injection

T1564

Hide Artifacts

T1564.006

Run Virtual Instance

T1574

Hijack Execution Flow

TA0007

Discovery

4 techniques

T1012

Query Registry

T1087

Account Discovery

T1087.002

Domain Account

T1482

Domain Trust Discovery

T1518

Software Discovery

TA0009

Collection

1 technique

T1560

Archive Collected Data

T1560.001×3

Archive via Utility

TA0011

Command and Control

1 technique

T1105×3

Ingress Tool Transfer

TA0040

Impact

1 technique

T1531

Account Access Removal

ARSENAL

Associated malware families

2 malware families attributed to this actor across reporting.

FamilyContextEvidenceLast seen

Cobalt StrikeDetects the PowerShell pattern used at the end of a Cobalt Strike PowerShell loader to perform the decompression of the executable. This loader is used in attacks such as scripted web delivery. Cobalt Strike is a legitimate, commercial penetration testing tool that has been largely co-opted by ransomware gangs to launch attacks. Cobalt Strike's popularity is mainly due to its beacons or payload being stealthy, and easily customizable. Cobalt Strike Beacon provides encrypted communication with the C&C server to send information and receive commands.1May 6, 2026

NishangThe following analytic detects the use of the Nishang Invoke-PowerShellTCPOneLine utility, which initiates a callback to a remote Command and Control (C2) server.1Mar 17, 2026

WEAPONIZED

Associated vulnerabilities

1 CVE this actor has used in observed campaigns. 1 of them exploited in the wild.

CVE-2025-9491Microsoft Windows LNK File UI Misrepresentation Remote Code Execution VulnerabilityIn the wildEvidence2

This detection identifies instances where Windows Explorer.exe spawns PowerShell or cmd.exe processes, particularly focusing on executions initiated by LNK files. This behavior is associated with the ZDI-CAN-25373 Windows shortcut zero-day vulnerability, where specially crafted LNK files are used to trigger malicious code execution through cmd.exe or powershell.exe. This technique has been actively exploited by multiple APT groups in targeted attacks through both HTTP and SMB delivery methods.

ACTIVITY FEED

Recent activity

20 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.

20 SOURCESView more in app

splunk researchNews

Apr 22, 2026

Detection: PowerShell PInvoke Process Injection API Chain | Splunk Security Content

Listed as a threat actor associated with the PowerShell P/Invoke process injection API chain detection and related ATT&CK techniques.

splunk researchNews

Apr 20, 2026

Detection: PowerShell Environment Variable Execution | Splunk Security Content

Listed as a threat actor associated with PowerShell execution behavior relevant to this detection analytic.

splunk researchNews

Apr 13, 2026

Detection: Windows PowerShell Script TabExpansion Direct Call | Splunk Security Content

Listed as a threat actor associated with this PowerShell TabExpansion direct-call detection.

splunk researchNews

Apr 13, 2026

Detection: Windows EFI Volume Mount Attempt Via Mountvol | Splunk Security Content

Listed in the detection annotations as a threat actor associated with EFI volume mounting / installation-related behavior.

+90 more in the timeline

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Target overlap

Match sector + geo + tech-stack targeting against your real footprint.

Tradecraft mapping30

Every observed MITRE ATT&CK technique, grouped by tactic.

Malware arsenal2

Families this actor is known to deploy, with IOCs and behavior.

Exploited CVEs1

CVEs this actor has used in known campaigns.

Detection signatures

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

Observables

Domains, IPs, and hashes tied to this actor, refreshed continuously.