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MITRE ATT&CK® Malware

S0339: Micropsia

Micropsia is a remote access tool written in Delphi.[1][2]

EnterpriseS0339MalwareObject v1.2Modified
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Glexia's Take · Automated analysis

Security context for executives and security teams

Automation confidenceMedium

S0339: Micropsia describes [Micropsia](https://attack.mitre.org/software/S0339) is a remote access tool written in Delphi.(Citation: Talos Micropsia June 2017)(Citation: Radware Micropsia July 2018)

Executive priority

S0339: Micropsia is an official MITRE ATT&CK software. Glexia treats it as defensive behavior context for prioritizing monitoring, control validation, and response planning without using the object by itself as an attribution claim.

Technical view

Security teams should validate S0339: Micropsia by reviewing the official ATT&CK relationships, mapped tactics (the mapped ATT&CK tactic context), supported platforms (Windows), and available local telemetry before making detection or mitigation decisions.

Likely telemetry

  • Official ATT&CK relationships and object metadata
  • Network, endpoint, and security-tool telemetry

Detection direction

  • Validate whether S0339: Micropsia appears in your detection coverage and tabletop scenarios.
  • Use the object to align executive risk language with SOC, incident response, and detection engineering work.
  • Do not treat ATT&CK relationship context as attribution without corroborating evidence.

Mitigation priorities

  • Map the object to existing controls and identify missing telemetry or response ownership.
  • Prioritize mitigations that reduce exposure on the listed platforms and tactics.
  • Review adjacent ATT&CK relationships before changing policy, detections, or reporting language.
Additional notes and limits

Baseline Glexia take generated from the official MITRE ATT&CK STIX object, source hash, tactics, platforms, and detection fields. It is safe to replace with a richer model-generated take for the same source hash later.

This baseline take is source-grounded and schema-validated, but it does not include environment-specific telemetry, incident evidence, or threat-intelligence corroboration.

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Official MITRE ATT&CK definition

Micropsia

Micropsia is a remote access tool written in Delphi.[1][2]

View the same entry on attack.mitre.org (MITRE-hosted reference; in-page links above use the Glexia ATT&CK library.)

Glexia analysis

How security teams should use this page

Treat this object as behavior context, not an attribution claim. Validate the related groups, software, data sources, and mitigations against official ATT&CK relationships and your own telemetry before making control-coverage decisions.

ATT&CK relationship table

Techniques used

This mirrors the MITRE pattern of making group, software, campaign, and technique relationships scannable. Relationship notes come from mirrored ATT&CK relationship text when available.

16 rows
DomainIDNameRelationship / procedure
EnterpriseT1082System Information Discovery

Micropsia gathers the hostname and OS version from the victim’s machine.[1][2]

EnterpriseT1119Automated Collection

Micropsia executes an RAR tool to recursively archive files based on a predefined list of file extensions (*.xls, *.xlsx, *.csv, *.odt, *.doc, *.docx, *.ppt, *.pptx, *.pdf, *.mdb, *.accdb, *.accde, *.txt).[2]

EnterpriseT1518.001Security Software DiscoverySub-technique

Micropsia searches for anti-virus software and firewall products installed on the victim’s machine using WMI.[1][2]

EnterpriseT1056.001KeyloggingSub-technique

Micropsia has keylogging capabilities.[2]

EnterpriseT1083File and Directory Discovery

Micropsia can perform a recursive directory listing for all volume drives available on the victim's machine and can also fetch specific files by their paths.[2]

EnterpriseT1059.003Windows Command ShellSub-technique

Micropsia creates a command-line shell using cmd.exe.[2]

EnterpriseT1547.009Shortcut ModificationSub-technique

Micropsia creates a shortcut to maintain persistence.[1]

EnterpriseT1033System Owner/User Discovery

Micropsia collects the username from the victim’s machine.[1]

EnterpriseT1105Ingress Tool Transfer

Micropsia can download and execute an executable from the C2 server.[1][2]

EnterpriseT1560.001Archive via UtilitySub-technique

Micropsia creates a RAR archive based on collected files on the victim's machine.[2]

EnterpriseT1071.001Web ProtocolsSub-technique

Micropsia uses HTTP and HTTPS for C2 network communications.[1][2]

EnterpriseT1027.013Encrypted/Encoded FileSub-technique

Micropsia obfuscates the configuration with a custom Base64 and XOR.[1][2]

EnterpriseT1113Screen Capture

Micropsia takes screenshots every 90 seconds by calling the Gdi32.BitBlt API.[2]

EnterpriseT1123Audio Capture

Micropsia can perform microphone recording.[2]

EnterpriseT1564.001Hidden Files and DirectoriesSub-technique

Micropsia creates a new hidden directory to store all components' outputs in a dedicated sub-folder for each.[2]

EnterpriseT1047Windows Management Instrumentation

Micropsia searches for anti-virus software and firewall products installed on the victim’s machine using WMI.[1][2]

Associated objects

Groups, software, and campaigns

GroupEnterprise

G1028: APT-C-23

APT-C-23 is a threat group that has been active since at least 2014.[1] APT-C-23 has primarily focused its operations on the Middle East, including Israeli military assets. APT-C-23 has developed mobile spyware targeting Android and iOS devices since 2017.[2]

Relationship explorer

All related ATT&CK context

uses · GroupG1028: APT-C-23Enterpriseuses · TechniqueT1082: System Information DiscoveryEnterpriseuses · TechniqueT1119: Automated CollectionEnterpriseuses · TechniqueT1518.001: Security Software DiscoveryEnterpriseuses · TechniqueT1056.001: KeyloggingEnterpriseuses · TechniqueT1083: File and Directory DiscoveryEnterpriseuses · TechniqueT1059.003: Windows Command ShellEnterpriseuses · TechniqueT1547.009: Shortcut ModificationEnterpriseuses · TechniqueT1033: System Owner/User DiscoveryEnterpriseuses · TechniqueT1105: Ingress Tool TransferEnterpriseuses · TechniqueT1560.001: Archive via UtilityEnterpriseuses · TechniqueT1071.001: Web ProtocolsEnterpriseuses · TechniqueT1027.013: Encrypted/Encoded FileEnterpriseuses · TechniqueT1113: Screen CaptureEnterpriseuses · TechniqueT1123: Audio CaptureEnterpriseuses · TechniqueT1564.001: Hidden Files and DirectoriesEnterpriseuses · TechniqueT1047: Windows Management InstrumentationEnterprise
Change history

Object version and sync metadata

The fields below describe the current mirrored snapshot. When Glexia retains multiple ATT&CK source imports, you can open the table to compare the same object across releases (hashes and MITRE timestamps). For MITRE’s own release notes and roadmap, see ATT&CK resources — Updates.

ATT&CK release
19.2
Object version
1.2
Created
Modified
Raw hash
1e96501c9d87c34c...
Imported snapshots across ATT&CK releases(2)
ReleaseBundle importedObject versionModifiedStatusRaw hash
19.21.2Current bundle1e96501c9d87…
19.11.2Older bundle1e96501c9d87…
Raw source

Mirrored ATT&CK source object

The raw object is retained through the mirrored ATT&CK source bundle and object hash. The raw endpoint returns the exact object from the mirrored bundle when available.

Open mirrored raw JSONOpen MITRE-hosted copy
Source references

External references and citations

MITRE external references are preserved separately from Glexia analysis so citations remain traceable to their original source records.

  1. [1]
    Talos Micropsia June 2017

    Rascagneres, P., Mercer, W. (2017, June 19). Delphi Used To Score Against Palestine. Retrieved November 13, 2018.

    Open source URL
  2. [2]
    Radware Micropsia July 2018

    Tsarfaty, Y. (2018, July 25). Micropsia Malware. Retrieved November 13, 2018.

    Open source URL
  3. [3]
    Micropsia

    (Citation: Talos Micropsia June 2017)(Citation: Radware Micropsia July 2018)

  4. [4]
    mitre-attackS0339
    Open source URL
Source and licensing

Source: MITRE ATT&CK®. © 2026 The MITRE Corporation. This work is reproduced and distributed with the permission of The MITRE Corporation. MITRE ATT&CK and ATT&CK are registered trademarks of The MITRE Corporation. Glexia is not affiliated with or endorsed by MITRE.

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