Analysis
- max time kernel
92s - max time network
94s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
05/04/2024, 15:16
General
- Target falcon.dll
- Size 694KB
- Sample240405-snretsfh64
- SHA256 aee22a35cbdac3f16c3ed742c0b1bfe9739a13469cf43b36fb2c63565111028c
Score
10/10
Malware Config
Extracted
Family
-
latrodectus
C2
-
https://aytobusesre.com/live/
-
https://scifimond.com/live/
Signatures
- Latrodectus loader
Latrodectus is a loader written in C++.
- Detect larodectus Loader variant 2 4 IoCs
- Deletes itself 1 IoCs
- Loads dropped DLL 1 IoCs
- Suspicious behavior: EnumeratesProcesses 8 IoCs
- Suspicious behavior: RenamesItself 1 IoCs
- Suspicious use of WriteProcessMemory 2 IoCs
- Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\falcon.dll, vgml1⤵
- Deletes itself
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
-
C:\Windows\system32\rundll32.exerundll32.exe "C:\Users\Admin\AppData\Roaming\Custom_update\Update_9729806f.dll", vgml2⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
Update_9729806f.dll
memory/2836-6-0x000001FD4A390000-0x000001FD4A3A4000-memory.dmp
memory/2836-7-0x000001FD4A390000-0x000001FD4A3A4000-memory.dmp
memory/3496-0-0x0000026D77B40000-0x0000026D77B54000-memory.dmp
memory/3496-2-0x0000000180000000-0x00000001800B5000-memory.dmp
memory/3496-4-0x0000026D77B40000-0x0000026D77B54000-memory.dmp