Analysis
- max time kernel
149s - max time network
137s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
01/10/2026, 19:53
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
newisbest.exe
Resource
win10v2004-20260911-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
newisbest.exe
Resource
win11ltsc2024-20260911-en
4 signatures
150 seconds
General
- Target newisbest.exe
- Size 995KB
- Sample261001-yl2exaba98
- SHA256 d503855e73d729b687c9f3a18d686ecc40488a3f6d91a67e2d0b377b4554783c
- MD5 26c6eb1684e94c195a9f9b02ac0bf123
- SHA1 4cb49d5165851b7a7cf6ec542e54823ddbad69fe
- SHA512 ba146b00ab31bcbb264d01c4f415d591d87e8fa5dba5c5c3b38a862ad1b8db1be3fb0cbf3aaae8ee4a8a86fda3846c06eac78dd1df01469012ae529d45ae06e0
- SSDEEP 12288:SuLaHYXhAiyVqbyoGOeism0xaMdppwwAbfiz/5LtFwC24zUn5uTo5U:DM1qbyaeism0zBL5LtKC2xn6MU
- TLSH T1172579836B830FB1F165B03543F564DC9661B4D237D0BCAB42AC5E4E1EA36806AF96F1
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
1/10
Malware Config
Signatures
- Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\ Explorer.EXE - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3288 Explorer.EXE - Suspicious use of AdjustPrivilegeToken 10 IoCs
description pid Process Token: SeShutdownPrivilege 3288 Explorer.EXE Token: SeCreatePagefilePrivilege 3288 Explorer.EXE Token: SeShutdownPrivilege 3288 Explorer.EXE Token: SeCreatePagefilePrivilege 3288 Explorer.EXE Token: SeShutdownPrivilege 3288 Explorer.EXE Token: SeCreatePagefilePrivilege 3288 Explorer.EXE Token: SeShutdownPrivilege 3288 Explorer.EXE Token: SeCreatePagefilePrivilege 3288 Explorer.EXE Token: SeShutdownPrivilege 3288 Explorer.EXE Token: SeCreatePagefilePrivilege 3288 Explorer.EXE - Suspicious use of FindShellTrayWindow 4 IoCs
pid Process 4612 newisbest.exe 3288 Explorer.EXE 3288 Explorer.EXE 3288 Explorer.EXE - Suspicious use of SendNotifyMessage 3 IoCs
pid Process 3288 Explorer.EXE 3288 Explorer.EXE 3288 Explorer.EXE - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 4612 wrote to memory of 3288 4612 newisbest.exe 56
Processes
-
C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:3288 -
C:\Users\Admin\AppData\Local\Temp\newisbest.exe"C:\Users\Admin\AppData\Local\Temp\newisbest.exe"2⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:4612
-