Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
11/04/2024, 23:28
General
- Target Update_9b2e8e34.dll
- Size 69KB
- Sample240411-3fyt2sgf62
- SHA256 fc21a125287c3539e11408587bcaa6f3b54784d9d458facbc54994f05d7ef1b0
Score
10/10
Malware Config
Extracted
Family
-
latrodectus
C2
-
https://winarkamaps.com/live/
-
https://stratimasesstr.com/live/
Signatures
- Latrodectus loader
Latrodectus is a loader written in C++.
- Detect larodectus Loader variant 2 8 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\Update_9b2e8e34.dll,#11⤵
- 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_48abe634.dll", #12⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
Update_48abe634.dll
memory/3156-0-0x000001C30BA60000-0x000001C30BA74000-memory.dmp
memory/3156-1-0x000001C30BA60000-0x000001C30BA74000-memory.dmp
memory/3156-7-0x000001C30BA60000-0x000001C30BA74000-memory.dmp
memory/3156-4-0x0000000180000000-0x0000000180014000-memory.dmp
memory/4328-6-0x000001A20B2E0000-0x000001A20B2F4000-memory.dmp
memory/4328-9-0x000001A20B2E0000-0x000001A20B2F4000-memory.dmp
memory/4328-8-0x000001A20B2E0000-0x000001A20B2F4000-memory.dmp