Analysis
- max time kernel
149s - max time network
148s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
02/05/2026, 11:18
Behavioral task
behavioral1
Sample
gstub.exe
Resource
win10v2004-20260130-en
4 signatures
150 seconds
General
- Target gstub.exe
- Size 45KB
- Sample260502-ner8jsdw8w
- SHA256 e8aeef930fc9dc8b44df1147e3ccd1ed5e9d414eaf378befa1266709295766cd
- MD5 d7ad356527a7279f1ea4aed8848c624a
- SHA1 1d00a8b1d50ec4b670485920beae34c247dd2ab7
- SHA512 34a7e3caeb562c05e68e7ee2dbbe12be3416ad42c55ae5f01624ddb263f396616325bac53a59da5023b136e26e0f654e7d6e436888a68a43c04ef3188a99251a
- SSDEEP 768:5uAtPTgoRzbWUnd9rmo2qrMlsHoPEaMPIGSjbLgX3idd3EMOzWKBDZ/x:5uAtPTgG/2PuuEaxG+b0XSz3VOzTd/x
- TLSH T112231B007BE8812BF2BE4F789CF26245867AF2732603D5491CC451D75723BC69A426FE
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
Family
-
asyncrat
Version
-
0.5.8
Botnet
-
Default
Mutex
-
Kij5AfgdYrlk
Attributes
-
delay
3
-
install
false
-
install_folder
%AppData%
-
pastebin_config
https://pastebin.com/raw/1tWiD9sJ
aes.plain
Signatures
- Contacts third-party web service commonly abused for C2 1 TTPs 2 IoCs
Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.
flow ioc 11 pastebin.com 12 pastebin.com - System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language gstub.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4912 gstub.exe