Overview
overview
3Static
static
3f175fcc7b1...37.zip
windows11-21h2-x64
1CrystalUS.exe
windows11-21h2-x64
1cfg.json
windows11-21h2-x64
3formats/Arcane.cus
windows11-21h2-x64
3formats/DCRat.cus
windows11-21h2-x64
3formats/De...#2.cus
windows11-21h2-x64
3formats/De...#3.cus
windows11-21h2-x64
3formats/De...#4.cus
windows11-21h2-x64
3formats/De...#5.cus
windows11-21h2-x64
3formats/De...#6.cus
windows11-21h2-x64
3formats/Default.cus
windows11-21h2-x64
3formats/Taurus.cus
windows11-21h2-x64
3formats/We...ew.cus
windows11-21h2-x64
3Analysis
-
max time kernel
442s -
max time network
445s -
platform
windows11-21h2_x64 -
resource
win11-20231215-en -
resource tags
arch:x64arch:x86image:win11-20231215-enlocale:en-usos:windows11-21h2-x64system -
submitted
06-01-2024 06:56
Static task
static1
Behavioral task
behavioral1
Sample
f175fcc7b1277b9c2d58256c3aca1fe0810b1937.zip
Resource
win11-20231215-en
Behavioral task
behavioral2
Sample
CrystalUS.exe
Resource
win11-20231215-en
Behavioral task
behavioral3
Sample
cfg.json
Resource
win11-20231215-en
Behavioral task
behavioral4
Sample
formats/Arcane.cus
Resource
win11-20231215-en
Behavioral task
behavioral5
Sample
formats/DCRat.cus
Resource
win11-20231222-en
Behavioral task
behavioral6
Sample
formats/Default #2.cus
Resource
win11-20231215-en
Behavioral task
behavioral7
Sample
formats/Default #3.cus
Resource
win11-20231222-en
Behavioral task
behavioral8
Sample
formats/Default #4.cus
Resource
win11-20231215-en
Behavioral task
behavioral9
Sample
formats/Default #5.cus
Resource
win11-20231222-en
Behavioral task
behavioral10
Sample
formats/Default #6.cus
Resource
win11-20231215-en
Behavioral task
behavioral11
Sample
formats/Default.cus
Resource
win11-20231215-en
Behavioral task
behavioral12
Sample
formats/Taurus.cus
Resource
win11-20231222-en
Behavioral task
behavioral13
Sample
formats/WebBrowserPassView.cus
Resource
win11-20231222-en
General
-
Target
formats/Default #4.cus
-
Size
24B
-
MD5
e9880a85b1078d7d725bc1b60f48f60b
-
SHA1
6df18d6e6d710efa26bd44db46114db3baacacfb
-
SHA256
ac0ec5e32f48d6ab9d8a18cb5fb2cc8a3a7b724bfbb212bfcecbaf285db3c5fd
-
SHA512
f297ded67ccbab55ac037a826b61ee1490e40f3486ccdfd1db64b68a27a914d4b052e436d17ecf87b80eade5631fed9cc9ab1706e94e18e26bf1f71992fb261c
Malware Config
Signatures
-
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Modifies registry class 2 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-1155165157-2721788668-771323609-1000_Classes\Local Settings cmd.exe Key created \REGISTRY\USER\S-1-5-21-1155165157-2721788668-771323609-1000_Classes\Local Settings OpenWith.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 3952 OpenWith.exe