Overview
overview
7Static
static
3Decree-Stu....0.exe
windows10-2004-x64
7Decree-Stu....0.exe
windows11-ltsc_2024-x64
7$PLUGINSDI...dl.dll
windows10-2004-x64
3$PLUGINSDI...dl.dll
windows11-ltsc_2024-x64
3$PLUGINSDI...nu.dll
windows10-2004-x64
3$PLUGINSDI...nu.dll
windows11-ltsc_2024-x64
3$PLUGINSDI...em.dll
windows10-2004-x64
3$PLUGINSDI...em.dll
windows11-ltsc_2024-x64
3$PLUGINSDI...gs.dll
windows10-2004-x64
3$PLUGINSDI...gs.dll
windows11-ltsc_2024-x64
3$PLUGINSDI...ls.dll
windows10-2004-x64
3$PLUGINSDI...ls.dll
windows11-ltsc_2024-x64
3decree-studio.exe
windows10-2004-x64
6decree-studio.exe
windows11-ltsc_2024-x64
6Analysis
- max time kernel
148s - max time network
130s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
23/10/2026, 00:21
Static task
static1
Behavioral task
behavioral1
Sample
Decree-Studio-Setup-0.1.0.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
Decree-Studio-Setup-0.1.0.exe
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/NSISdl.dll
Resource
win10v2004-20260911-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/NSISdl.dll
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/StartMenu.dll
Resource
win10v2004-20260911-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/StartMenu.dll
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral7
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20260911-en
Behavioral task
behavioral8
Sample
$PLUGINSDIR/System.dll
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral9
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win10v2004-20260911-en
Behavioral task
behavioral10
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral11
Sample
$PLUGINSDIR/nsis_tauri_utils.dll
Resource
win10v2004-20260911-en
Behavioral task
behavioral12
Sample
$PLUGINSDIR/nsis_tauri_utils.dll
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral13
Sample
decree-studio.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral14
Sample
decree-studio.exe
Resource
win11ltsc2024-20260911-en
General
- Target Decree-Studio-Setup-0.1.0.exe
- Size 2.6MB
- Sample261023-anfzzsvwhy
- SHA256 9669efd3c924e4dac24f7c12ca8e446b0ff660aa5012b8db1a8a2ccf5eee6520
- MD5 cb223345f86cc7477f51c72bb13e8e00
- SHA1 40fe792665455871198773497c46e29f6c266d1f
- SHA512 ea0172a6c25acf863cf7ad10337d060eab20a6d41f15ca36604842852c9f58d8013a5cfa0ffdd53a4ddd3447ba5a26332e51fc253d9662f8fc2e92abdd573495
- SSDEEP 49152:OmGIbWW4eR2jRJK5rGUQP2d/pywvjJ+h5OwGC6ScQsTnEuCI6P:O8WW4RXK5rGUB8w1+h5OwGF2+EuCjP
- TLSH T19BC5332BEA70DAF2E1251530EC6BD22E4EA5E912833D2D0F1B3157FF3461CA49D22E55
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Loads dropped DLL 5 IoCs
pid Process 1472 Decree-Studio-Setup-0.1.0.exe 1472 Decree-Studio-Setup-0.1.0.exe 1472 Decree-Studio-Setup-0.1.0.exe 1472 Decree-Studio-Setup-0.1.0.exe 1472 Decree-Studio-Setup-0.1.0.exe - Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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 Decree-Studio-Setup-0.1.0.exe - Modifies registry class 13 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-461973139-3212354679-1508698038-1000_Classes\Decree Program\ = "Decree のプログラム" Decree-Studio-Setup-0.1.0.exe Set value (str) \REGISTRY\USER\S-1-5-21-461973139-3212354679-1508698038-1000_Classes\Decree Program\DefaultIcon\ = "\"C:\\Users\\Admin\\AppData\\Local\\Decree Studio\\decree-studio.exe\",0" Decree-Studio-Setup-0.1.0.exe Key created \REGISTRY\USER\S-1-5-21-461973139-3212354679-1508698038-1000_Classes\Decree Program\shell Decree-Studio-Setup-0.1.0.exe Key created \REGISTRY\USER\S-1-5-21-461973139-3212354679-1508698038-1000_Classes\Decree Program\shell\open Decree-Studio-Setup-0.1.0.exe Set value (str) \REGISTRY\USER\S-1-5-21-461973139-3212354679-1508698038-1000_Classes\Decree Program\shell\open\ = "Open with Decree Studio" Decree-Studio-Setup-0.1.0.exe Key created \REGISTRY\USER\S-1-5-21-461973139-3212354679-1508698038-1000_Classes\.dc Decree-Studio-Setup-0.1.0.exe Key created \REGISTRY\USER\S-1-5-21-461973139-3212354679-1508698038-1000_Classes\Decree Program\DefaultIcon Decree-Studio-Setup-0.1.0.exe Set value (str) \REGISTRY\USER\S-1-5-21-461973139-3212354679-1508698038-1000_Classes\Decree Program\shell\ = "open" Decree-Studio-Setup-0.1.0.exe Key created \REGISTRY\USER\S-1-5-21-461973139-3212354679-1508698038-1000_Classes\Decree Program\shell\open\command Decree-Studio-Setup-0.1.0.exe Set value (str) \REGISTRY\USER\S-1-5-21-461973139-3212354679-1508698038-1000_Classes\Decree Program\shell\open\command\ = "\"C:\\Users\\Admin\\AppData\\Local\\Decree Studio\\decree-studio.exe\" \"%1\"" Decree-Studio-Setup-0.1.0.exe Set value (str) \REGISTRY\USER\S-1-5-21-461973139-3212354679-1508698038-1000_Classes\.dc\Decree Program_backup Decree-Studio-Setup-0.1.0.exe Set value (str) \REGISTRY\USER\S-1-5-21-461973139-3212354679-1508698038-1000_Classes\.dc\ = "Decree Program" Decree-Studio-Setup-0.1.0.exe Key created \REGISTRY\USER\S-1-5-21-461973139-3212354679-1508698038-1000_Classes\Decree Program Decree-Studio-Setup-0.1.0.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1472 Decree-Studio-Setup-0.1.0.exe 1472 Decree-Studio-Setup-0.1.0.exe
Processes
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Decree Studio\decree-studio.exe
- Size 10.3MB
- SHA256 7f1fc4feb1aa24d8550b1f7557c23c1893c08a786a1e249542597140596ec28e
- MD5 896a93b3915cc37acc34c9c1c32e14dc
- SHA1 3d0dafc1bf4f341ddd90af9e12ed84240c9cfda6
- SHA512 de0f1a3f67a5d8b364e10aa32cf99efa984e7f3dac2b4737d77561fda6a83c420403aa755e1d8b32163ff3020a2e3b5af09c528933be1a0f1c98bb78a4b51451
- SSDEEP 98304:nYjlVrZyp2gxOmy7O/DAfn+ovZN1qn+EEfG3K:Yjl9vgxQW0/JvZN1g7
- TLSH T169B619016F4A68E9D0CDCC70C34B8AA70E1130DB1A36F9BF49DA52193F6EAB55F19319
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\nsfDA5B.tmp\System.dll
- Size 12KB
- SHA256 afe032f942e2ed0bf7494ec08ba813f5739fb522c640bde81d30ecaf9f894432
- MD5 564e01f2c6edfb8475573e1b809cb5eb
- SHA1 5d767e8f685449d86cd8d16c83a814ef8f7d6264
- SHA512 67486f8e996b29688cfb5a57ae4a7604fa0892ba0eeccdd55f514ca4bd9b79a6fe42bfab4fc85156c2258ae66539bdd9bb36a8b5f7f944f3007c2421f244c95c
- SSDEEP 192:rjHcQ0qWTlt7wi5Aj/lM0sEWD/wtYbBjpNQybC7y+XZ80QPi:X/Qlt7wiij/lMRv/9V4b8r
- TLSH T1FD426C1297B089F2F551493419667F2A6FBEAC5D27F405A3CFE304C63D212DB9879243
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\nsfDA5B.tmp\modern-wizard.bmp
- Size 25KB
- SHA256 3ad2dc318056d0a2024af1804ea741146cfc18cc404649a44610cbf8b2056cf2
- MD5 cbe40fd2b1ec96daedc65da172d90022
- SHA1 366c216220aa4329dff6c485fd0e9b0f4f0a7944
- SHA512 62990cb16e37b6b4eff6ab03571c3a82dcaa21a1d393c3cb01d81f62287777fb0b4b27f8852b5fa71bc975feab5baa486d33f2c58660210e115de7e2bd34ea63
- SSDEEP 24:Qwika6aSaaDaVYoG6abuJsnZs5GhI11BayNXPcDrSsUWcSphsWwlEWqCl6aHAX2x:Qoi47a5G8SddzKFIcsOz3Xz
- TLSH T139C29757DE6B6EA4BE0804EF1A0694931C71FE211AB0CD0561D2B767B4FC93B19A0B3C
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\nsfDA5B.tmp\nsDialogs.dll
- Size 9KB
- SHA256 9c76f4d53ceee2a471c936e0899688405e1009ce962d140e9acb49ed68d114cb
- MD5 79c27de4d1c6d295fefaa70f608f1c67
- SHA1 feba90c93db3fedd450a81eb2603f793332d1a83
- SHA512 fbd79f3946032821584ea2fa4b559ac5809ab45fdc9107eb47c9ff3fa3229d7748a7b2ed588709e59cce16a4f8e58ed98b46cb061acf1080e78434d184f51ec7
- SSDEEP 96:oQEv02zUu56FcS817eTaXx85qHFcUcxSgB5PKtAtoniJninnt3DVEB3YbNqkzfFc:oQEvCu5e81785qHFcU0PuAw0uyBIFc
- TLSH T1E612E892A2A454B3C5D6523B35AA2F2DCBBD5329B0927C01C7738E4D39395766E38343
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\nsfDA5B.tmp\nsis_tauri_utils.dll
- Size 33KB
- SHA256 5ba143b5db4a87d32d6e7802e033330aae56cbceabe0d1e3ba41948385ad4709
- MD5 948eaa3cb78c2dcdd9eb1ab120ae0f65
- SHA1 75197fee3c6a814fe035788d1c34ead39349b860
- SHA512 f7c511e8c73ef6ee9b72c88cd73b2d454a6ffc12144118df2276ea3f5c34175df0d9d15a435035575ca2b171789fe348d7a9028b702b47dda749ee17e03ae7c1
- SSDEEP 768:K/wOD4gzTVpAVk2h5Rsekk55aCukBFKpnp0jdhK7W+qVG:8wODZzTrAV5Oevq4DtXHVG
- TLSH T188F24A48FDC57EBAE2CF05710809467E4A6FC8081700C96BE3722EA3D5A67329ED525F
- MD5 SHA1 SHA512 SSDEEP TLSH