LoFiSe

LoFiSe has been used by ToddyCat since at least 2023 to identify and collect files of interest on targeted systems.[1]

ID: S1101
Type: MALWARE
Platforms: Windows
Version: 1.0
Created: 19 January 2024
Last Modified: 19 January 2024

Techniques Used

Domain ID Name Use
Enterprise T1005 从本地系统获取数据

LoFiSe can collect files of interest from targeted systems.[1]

Enterprise T1574 .002 劫持执行流: DLL Side-Loading

LoFiSe has been executed as a file named DsNcDiag.dll through side-loading.[1]

Enterprise T1560 归档收集数据

LoFiSe can collect files into password-protected ZIP-archives for exfiltration.[1]

Enterprise T1074 .001 数据分段: Local Data Staging

LoFiSe can save files to be evaluated for further exfiltration in the C:\Programdata\Microsoft\ and C:\windows\temp\ folders. [1]

Enterprise T1083 文件和目录发现

LoFiSe can monitor the file system to identify files less than 6.4 MB in size with file extensions including .doc, .docx, .xls, .xlsx, .ppt, .pptx, .pdf, .rtf, .tif, .odt, .ods, .odp, .eml, and .msg.[1]

Enterprise T1119 自动化收集

LoFiSe can collect all the files from the working directory every three hours and place them into a password-protected archive for further exfiltration.[1]

Groups That Use This Software

ID Name References
G1022 ToddyCat

[1]

References