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Micropsia

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

ID: S0339
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Type: MALWARE
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Platforms: Windows
Version: 1.2
Created: 29 January 2019
Last Modified: 04 October 2024
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Enterprise Layer
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Techniques Used

Domain ID Name Use
Enterprise T1071 .001 Application Layer Protocol: Web Protocols

Micropsia uses HTTP and HTTPS for C2 network communications.[1][2]
Enterprise T1560 .001 Archive Collected Data: Archive via Utility

Micropsia creates a RAR archive based on collected files on the victim's machine.[2]
Enterprise T1123 Audio Capture

Micropsia can perform microphone recording.[2]
Enterprise T1119 Automated 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]
Enterprise T1547 .009 Boot or Logon Autostart Execution: Shortcut Modification

Micropsia creates a shortcut to maintain persistence.[1]
Enterprise T1059 .003 Command and Scripting Interpreter: Windows Command Shell

Micropsia creates a command-line shell using cmd.exe.[2]
Enterprise T1083 File 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]
Enterprise T1564 .001 Hide Artifacts: Hidden Files and Directories

Micropsia creates a new hidden directory to store all components' outputs in a dedicated sub-folder for each.[2]
Enterprise T1105 Ingress Tool Transfer

Micropsia can download and execute an executable from the C2 server.[1][2]
Enterprise T1056 .001 Input Capture: Keylogging

Micropsia has keylogging capabilities.[2]
Enterprise T1027 .013 Obfuscated Files or Information: Encrypted/Encoded File

Micropsia obfuscates the configuration with a custom Base64 and XOR.[1][2]
Enterprise T1113 Screen Capture

Micropsia takes screenshots every 90 seconds by calling the Gdi32.BitBlt API.[2]
Enterprise T1518 .001 Software Discovery: Security Software Discovery

Micropsia searches for anti-virus software and firewall products installed on the victim’s machine using WMI.[1][2]
Enterprise T1082 System Information Discovery

Micropsia gathers the hostname and OS version from the victim’s machine.[1][2]
Enterprise T1033 System Owner/User Discovery

Micropsia collects the username from the victim’s machine.[1]
Enterprise T1047 Windows Management Instrumentation

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

Groups That Use This Software

ID Name References
G1028 APT-C-23

References

  1. Rascagneres, P., Mercer, W. (2017, June 19). Delphi Used To Score Against Palestine. Retrieved November 13, 2018.
  1. Tsarfaty, Y. (2018, July 25). Micropsia Malware. Retrieved November 13, 2018.