Analysis
- max time kernel
638s - max time network
617s - platform
windows7_x64 - resource
win7-20240704-en - resource tags
- submitted
22/08/2024, 15:00
General
- Target check.exe
- Size 2.3MB
- Sample240822-sdps9atbjh
- SHA256 2114aefe4d9460c04028d45b0f41ca9c65cea365727fda0fd2a885222c87db3c
Score
10/10
Malware Config
Signatures
- Detects Latrodectus 7 IoCs
Detects Latrodectus v1.4.
- Latrodectus loader
Latrodectus is a loader written in C++.
- Deletes itself 1 IoCs
- Executes dropped EXE 2 IoCs
- Loads dropped DLL 1 IoCs
- Suspicious behavior: RenamesItself 1 IoCs
- Suspicious use of WriteProcessMemory 6 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:\Users\Admin\AppData\Local\Temp\check.exe"C:\Users\Admin\AppData\Local\Temp\check.exe"1⤵
- Deletes itself
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Roaming\Custom_update\Update_2b4d1064.exe"C:\Users\Admin\AppData\Roaming\Custom_update\Update_2b4d1064.exe"2⤵
- Executes dropped EXE
-
-
C:\Windows\system32\taskeng.exetaskeng.exe {1BE6F175-5400-48FA-AF36-BB3652801EFC} S-1-5-21-3450744190-3404161390-554719085-1000:PDIZKVQX\Admin:Interactive:[1]1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Roaming\Custom_update\Update_2b4d1064.exeC:\Users\Admin\AppData\Roaming\Custom_update\Update_2b4d1064.exe2⤵
- Executes dropped EXE
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
Update_2b4d1064.exe
memory/2764-0-0x0000000001B40000-0x0000000001B56000-memory.dmp
memory/2764-2-0x0000000001B40000-0x0000000001B56000-memory.dmp
memory/2764-1-0x0000000001B40000-0x0000000001B56000-memory.dmp
memory/2764-8-0x0000000001B40000-0x0000000001B56000-memory.dmp
memory/2764-6-0x0000000140000000-0x0000000140254000-memory.dmp
memory/2904-9-0x0000000000190000-0x00000000001A6000-memory.dmp
memory/2904-10-0x0000000000190000-0x00000000001A6000-memory.dmp
memory/2904-12-0x0000000000190000-0x00000000001A6000-memory.dmp