Analysis
-
max time kernel
141s -
max time network
19s -
platform
windows7_x64 -
resource
win7-20240704-en -
submitted
28-08-2024 11:31
Behavioral task
behavioral1
Sample
8722989a3605360dcaa0bfab56841f4660ea79d495d01b518068f3ce67877ad0.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
8722989a3605360dcaa0bfab56841f4660ea79d495d01b518068f3ce67877ad0.exe
Resource
win10v2004-20240802-en
General
-
Target
8722989a3605360dcaa0bfab56841f4660ea79d495d01b518068f3ce67877ad0.exe
-
Size
72KB
-
MD5
65e2fd12223dc2def303bdfc8e7b628c
-
SHA1
9ff11679060fce53632641228318e4393cb94dbc
-
SHA256
8722989a3605360dcaa0bfab56841f4660ea79d495d01b518068f3ce67877ad0
-
SHA512
20e7298d0964542623e356cb98697f0ed995d3809f5936cd8b21f76bbf52da0f832edec2be7252778647de7795e69fa7f8873b1d4b175b3660b28eb4118dd7e2
-
SSDEEP
1536:3R8zxbOmOBVjGFV3g5I+va6z5f85NGyPrnRlHl:h8zxqfb5I+xknG6RlF
Malware Config
Extracted
latrodectus
https://castpshost.com/test/
https://trapgnistro.com/test/
Signatures
-
Detects Latrodectus 2 IoCs
Detects Latrodectus v1.4.
resource yara_rule behavioral1/files/0x00070000000186b7-1.dat family_latrodectus_1_4 behavioral1/memory/2316-8-0x000000013F030000-0x000000013F04400C-memory.dmp family_latrodectus_1_4 -
Latrodectus family
-
Latrodectus loader
Latrodectus is a loader written in C++.
-
Deletes itself 1 IoCs
pid Process 2316 8722989a3605360dcaa0bfab56841f4660ea79d495d01b518068f3ce67877ad0.exe -
Executes dropped EXE 1 IoCs
pid Process 604 Update_356e5b74.exe -
Loads dropped DLL 2 IoCs
pid Process 2316 8722989a3605360dcaa0bfab56841f4660ea79d495d01b518068f3ce67877ad0.exe 2316 8722989a3605360dcaa0bfab56841f4660ea79d495d01b518068f3ce67877ad0.exe -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 2316 8722989a3605360dcaa0bfab56841f4660ea79d495d01b518068f3ce67877ad0.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2316 wrote to memory of 604 2316 8722989a3605360dcaa0bfab56841f4660ea79d495d01b518068f3ce67877ad0.exe 29 PID 2316 wrote to memory of 604 2316 8722989a3605360dcaa0bfab56841f4660ea79d495d01b518068f3ce67877ad0.exe 29 PID 2316 wrote to memory of 604 2316 8722989a3605360dcaa0bfab56841f4660ea79d495d01b518068f3ce67877ad0.exe 29 PID 2316 wrote to memory of 2264 2316 8722989a3605360dcaa0bfab56841f4660ea79d495d01b518068f3ce67877ad0.exe 30 PID 2316 wrote to memory of 2264 2316 8722989a3605360dcaa0bfab56841f4660ea79d495d01b518068f3ce67877ad0.exe 30 PID 2316 wrote to memory of 2264 2316 8722989a3605360dcaa0bfab56841f4660ea79d495d01b518068f3ce67877ad0.exe 30 -
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\8722989a3605360dcaa0bfab56841f4660ea79d495d01b518068f3ce67877ad0.exe"C:\Users\Admin\AppData\Local\Temp\8722989a3605360dcaa0bfab56841f4660ea79d495d01b518068f3ce67877ad0.exe"1⤵
- Deletes itself
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:2316 -
C:\Users\Admin\AppData\Roaming\Custom_update\Update_356e5b74.exe"C:\Users\Admin\AppData\Roaming\Custom_update\Update_356e5b74.exe"2⤵
- Executes dropped EXE
PID:604
-
-
C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -u -p 2316 -s 2522⤵PID:2264
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
72KB
MD565e2fd12223dc2def303bdfc8e7b628c
SHA19ff11679060fce53632641228318e4393cb94dbc
SHA2568722989a3605360dcaa0bfab56841f4660ea79d495d01b518068f3ce67877ad0
SHA51220e7298d0964542623e356cb98697f0ed995d3809f5936cd8b21f76bbf52da0f832edec2be7252778647de7795e69fa7f8873b1d4b175b3660b28eb4118dd7e2