Analysis
- max time kernel
166s - max time network
117s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260710-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
31/08/2026, 13:57
Behavioral task
behavioral1
Sample
Winhance.Installer.exe
Resource
win10v2004-20260513-en
18 signatures
150 seconds
General
- Target Winhance.Installer.exe
- Size 61.5MB
- Sample260831-q9extagg99
- SHA256 0426d513b8840bc9e31589253a2c9d5ee56b146b2b5b0b4513bcbfbf4d40d46e
- MD5 62eff49e4414adfeb53bc97c0e43eb4d
- SHA1 08cb47ac6981ffed051b5b143a8c9c0accc326bf
- SHA512 9cdecac9820889f42d88f8e3ed5f6cd87053daacf5a90d3c9716ada6037c61898bc5826e15023068f1297ae120045c92f5db12146655c0d661d2445322208e4c
- SSDEEP 1572864:qX1l28YAwMyXZrCl+/tJjG4GxjzaOWVm2SEtHmC29rl5a2DL2:m2dAC+l+/zjUhOOWVDP+k232
- TLSH T105E733177387A43FF5A98B310AB3E0535637BEA1A1118C5397E90D1DEE2A5A10C3F74A
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 3384 Winhance.Installer.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 Winhance.Installer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Winhance.Installer.tmp - Inno Setup is an open-source installation builder for Windows applications. 2 IoCs
Inno Setup installer
resource yara_rule behavioral2/memory/5328-0-0x0000000000760000-0x0000000000838000-memory.dmp innosetup behavioral2/memory/5328-8-0x0000000000760000-0x0000000000838000-memory.dmp innosetup - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 5328 wrote to memory of 3384 5328 Winhance.Installer.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\Winhance.Installer.exe"C:\Users\Admin\AppData\Local\Temp\Winhance.Installer.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5328 -
C:\Users\Admin\AppData\Local\Temp\is-KCELN.tmp\Winhance.Installer.tmp"C:\Users\Admin\AppData\Local\Temp\is-KCELN.tmp\Winhance.Installer.tmp" /SL5="$300B2,63437149,821760,C:\Users\Admin\AppData\Local\Temp\Winhance.Installer.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:3384
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\is-KCELN.tmp\Winhance.Installer.tmp
- Size 3.3MB
- SHA256 59e310801c26fd28f3fa6eab9e507067c655234b56069b4140966c27b547847b
- MD5 295686b112f5037db62d9c3abdd5b1b8
- SHA1 7917f97afc347633c4e3402cda3e2111911b3287
- SHA512 db784fec71ce70bff2cb709649485dfacba72eed130b9e7acef45f54b47f5b0530d80fcc9b01c0b108533d7a55ec43fa6564800c8a1433ec59e5aa19e82540eb
- SSDEEP 49152:EWwGHAkqMu7ot6SCiGogq5i18ue5TEhkq2nV9oNq3Z52gu3cfct333U2:E9GdkS5i181E2V9oKdu3t333f
- TLSH T165F55D23F24D693ED05B3E3D6B3792A0987B76602D128C576BEC3A4C4F355802E2A757
- MD5 SHA1 SHA512 SSDEEP TLSH