Analysis
- max time kernel
149s - max time network
133s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
10/09/2026, 19:25
Behavioral task
behavioral1
Sample
PlexusX-Setup-1.8.6.exe
Resource
win10v2004-20260513-en
4 signatures
150 seconds
General
- Target PlexusX-Setup-1.8.6.exe
- Size 50.4MB
- Sample260910-x44gjsfr3y
- SHA256 94a058b07b114f7b02a1321a60e459f831cb627aa25ff1af059a258dd71335f6
- MD5 c8cc7c393aa5e7c11b25813b40b46b02
- SHA1 15d9f7c8af8744ffe8abb771554d8cf156df727e
- SHA512 b2bf048f0589e55fa69b1c935f018a8fd595e6080821c86595518651464e9ad7cc709469fc4c51282e07de9c75b18e1b0f7bc376dafd8a73449852493582cd2f
- SSDEEP 1572864:UxFeN1GvOjbfCNLgFmt6ND6CG/bKtqhfHATiTOiSu:OeuOjbffi2G/2mvAWTOa
- TLSH T189C7337FE38BB53DD46D1A3AB5756050543F762194178C66AAE0C4ACCF214B03A3EB87
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4364 PlexusX-Setup-1.8.6.tmp - System Location Discovery: System Language Discovery 1 TTPs 2 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 PlexusX-Setup-1.8.6.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language PlexusX-Setup-1.8.6.tmp - Inno Setup is an open-source installation builder for Windows applications. 2 IoCs
Inno Setup installer
resource yara_rule behavioral2/memory/5220-1-0x0000000000F80000-0x0000000001061000-memory.dmp innosetup behavioral2/memory/5220-7-0x0000000000F80000-0x0000000001061000-memory.dmp innosetup - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 5220 wrote to memory of 4364 5220 PlexusX-Setup-1.8.6.exe 80
Processes
-
C:\Users\Admin\AppData\Local\Temp\PlexusX-Setup-1.8.6.exe"C:\Users\Admin\AppData\Local\Temp\PlexusX-Setup-1.8.6.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5220 -
C:\Users\Admin\AppData\Local\Temp\is-P01PCC3241.tmp\PlexusX-Setup-1.8.6.tmp"C:\Users\Admin\AppData\Local\Temp\is-P01PCC3241.tmp\PlexusX-Setup-1.8.6.tmp" /SL5="$40242,51671898,863744,C:\Users\Admin\AppData\Local\Temp\PlexusX-Setup-1.8.6.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4364
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\is-P01PCC3241.tmp\PlexusX-Setup-1.8.6.tmp
- Size 4.2MB
- SHA256 be94246e9fec5c0c9ff8eeb5082c3a55c229eb9139a466d3774e5657a1764b93
- MD5 62628dc96ede418e7608e3a84b53e321
- SHA1 e26cc030e8b5a9be4d907e7bb1647a4c1a92f665
- SHA512 b5ae44388b137c8fe3356d14c5482721c40afe2ad88ba9255156acbac0dfcb8e4e39645ec7106b8b68d14dbd35517f241ac84b9c24979576a11b6e2f97e92a4c
- SSDEEP 98304:o9SZUvl30aj90ZFcvdQ0hdgvminQLMj+J/333G:fItJj90Z6RgKwN
- TLSH T172168E03B388753EE4B71A3A883FA654583F7A213A26CD4B6BF4095C4F396416D3A747
- MD5 SHA1 SHA512 SSDEEP TLSH