Overview
overview
10Static
static
10Collins.dll
windows10-2004-x64
3Collins.dll
windows11-ltsc_2024-x64
3Decrassify.exe
windows10-2004-x64
10Decrassify.exe
windows11-ltsc_2024-x64
10Inspector.dll
windows10-2004-x64
3Inspector.dll
windows11-ltsc_2024-x64
3Quickbooks.exe
windows10-2004-x64
10Quickbooks.exe
windows11-ltsc_2024-x64
10Tigra.dll
windows10-2004-x64
3Tigra.dll
windows11-ltsc_2024-x64
3Analysis
- max time kernel
148s - max time network
143s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
19/08/2026, 01:18
Behavioral task
behavioral1
Sample
Collins.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
Collins.dll
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral3
Sample
Decrassify.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral4
Sample
Decrassify.exe
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral5
Sample
Inspector.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral6
Sample
Inspector.dll
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral7
Sample
Quickbooks.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral8
Sample
Quickbooks.exe
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral9
Sample
Tigra.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral10
Sample
Tigra.dll
Resource
win11ltsc2024-20260709-en
General
- Target Collins.dll
- Size 361KB
- Sample260819-bn8knstglc
- SHA256 e6219716a7056216acf11552f292598051c9cd5689009c7f48c7fcf94ec11684
- MD5 6f1480fc34cbc09feac205a4a0565386
- SHA1 f39de35b4b7666657550a4c49d3657149215ccb6
- SHA512 fc2066c10c53d248e36228f6bd586ec270f6938d74c96bb41c78d6f5e225eb5cb38e6bb683e7cb590a34f4e4ff7587572ab03b39e80849cea3772bcaab77312f
- SSDEEP 6144:WOyoBh0GcjMomnsQU5A0BqWra9SfYKvEP9tmv5pfh/x7Ty9bJCCq0yaRH:yoBeGWxisQUq0VrbvEPDYXp7kbJCCq2H
- TLSH T108747D46FA56CE21C2885AB7C5E74C1447B19AC76233EF4B3EC617961E033BA4C8A7C5
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- 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 rundll32.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 3440 wrote to memory of 3324 3440 rundll32.exe 88
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\Collins.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:3440 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\Collins.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:3324
-