Analysis
- max time kernel
149s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
26/04/2026, 18:27
Static task
static1
Behavioral task
behavioral1
Sample
OPTO-M~1.JS.js
Resource
win10v2004-20260130-en
windows10-2004-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
OPTO-M~1.JS.js
Resource
win11-20260130-en
windows11-21h2-x64
5 signatures
150 seconds
General
- Target OPTO-M~1.JS.js
- Size 39.3MB
- Sample260426-w33cesev8v
- SHA256 1a79bab5e2f28a10b616ddf4dc059145cf62f061b06c5d2cde5e99e0496ae531
- MD5 b764aa0e75918269a27c915d638004e7
- SHA1 2c932da446f6319f96d744255cfd8fa15e0853f5
- SHA512 ae7e6fa53ed33345adbdabb8fcc04e4ebbbdcceb1879a84b355922908bcf7bff738390ae688819eeec40e9496b495931db8cf79840a13b01ff3b736c019f8b58
- SSDEEP 6144:QAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAS:D
- TLSH T1F4976BFC70E9D2B394CF36F07A610E7A975988C086C543048A12EB615A95F2C679FE7C
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
Malware Config
Signatures
- Badlisted process makes network request 6 IoCs
Network request originating from process or tool commonly abused by malware.
flow pid Process 14 1956 powershell.exe 27 1956 powershell.exe 35 1956 powershell.exe 43 1956 powershell.exe 48 1956 powershell.exe 55 1956 powershell.exe - Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-721190819-434563495-2007910846-1000\Control Panel\International\Geo\Nation wscript.exe - Command and Scripting Interpreter: JavaScript 1 TTPs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Modifies registry class 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\ powershell.exe Key created \REGISTRY\USER\S-1-5-21-721190819-434563495-2007910846-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\ powershell.exe - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 1956 powershell.exe 1956 powershell.exe 1956 powershell.exe 1956 powershell.exe 1956 powershell.exe 1956 powershell.exe 1956 powershell.exe 1956 powershell.exe 1956 powershell.exe 1956 powershell.exe 1956 powershell.exe 1956 powershell.exe 1956 powershell.exe 1956 powershell.exe - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 1956 powershell.exe Token: SeIncreaseQuotaPrivilege 1956 powershell.exe Token: SeSecurityPrivilege 1956 powershell.exe Token: SeTakeOwnershipPrivilege 1956 powershell.exe Token: SeLoadDriverPrivilege 1956 powershell.exe Token: SeSystemProfilePrivilege 1956 powershell.exe Token: SeSystemtimePrivilege 1956 powershell.exe Token: SeProfSingleProcessPrivilege 1956 powershell.exe Token: SeIncBasePriorityPrivilege 1956 powershell.exe Token: SeCreatePagefilePrivilege 1956 powershell.exe Token: SeBackupPrivilege 1956 powershell.exe Token: SeRestorePrivilege 1956 powershell.exe Token: SeShutdownPrivilege 1956 powershell.exe Token: SeDebugPrivilege 1956 powershell.exe Token: SeSystemEnvironmentPrivilege 1956 powershell.exe Token: SeRemoteShutdownPrivilege 1956 powershell.exe Token: SeUndockPrivilege 1956 powershell.exe Token: SeManageVolumePrivilege 1956 powershell.exe Token: 33 1956 powershell.exe Token: 34 1956 powershell.exe Token: 35 1956 powershell.exe Token: 36 1956 powershell.exe Token: SeIncreaseQuotaPrivilege 1956 powershell.exe Token: SeSecurityPrivilege 1956 powershell.exe Token: SeTakeOwnershipPrivilege 1956 powershell.exe Token: SeLoadDriverPrivilege 1956 powershell.exe Token: SeSystemProfilePrivilege 1956 powershell.exe Token: SeSystemtimePrivilege 1956 powershell.exe Token: SeProfSingleProcessPrivilege 1956 powershell.exe Token: SeIncBasePriorityPrivilege 1956 powershell.exe Token: SeCreatePagefilePrivilege 1956 powershell.exe Token: SeBackupPrivilege 1956 powershell.exe Token: SeRestorePrivilege 1956 powershell.exe Token: SeShutdownPrivilege 1956 powershell.exe Token: SeDebugPrivilege 1956 powershell.exe Token: SeSystemEnvironmentPrivilege 1956 powershell.exe Token: SeRemoteShutdownPrivilege 1956 powershell.exe Token: SeUndockPrivilege 1956 powershell.exe Token: SeManageVolumePrivilege 1956 powershell.exe Token: 33 1956 powershell.exe Token: 34 1956 powershell.exe Token: 35 1956 powershell.exe Token: 36 1956 powershell.exe Token: SeIncreaseQuotaPrivilege 1956 powershell.exe Token: SeSecurityPrivilege 1956 powershell.exe Token: SeTakeOwnershipPrivilege 1956 powershell.exe Token: SeLoadDriverPrivilege 1956 powershell.exe Token: SeSystemProfilePrivilege 1956 powershell.exe Token: SeSystemtimePrivilege 1956 powershell.exe Token: SeProfSingleProcessPrivilege 1956 powershell.exe Token: SeIncBasePriorityPrivilege 1956 powershell.exe Token: SeCreatePagefilePrivilege 1956 powershell.exe Token: SeBackupPrivilege 1956 powershell.exe Token: SeRestorePrivilege 1956 powershell.exe Token: SeShutdownPrivilege 1956 powershell.exe Token: SeDebugPrivilege 1956 powershell.exe Token: SeSystemEnvironmentPrivilege 1956 powershell.exe Token: SeRemoteShutdownPrivilege 1956 powershell.exe Token: SeUndockPrivilege 1956 powershell.exe Token: SeManageVolumePrivilege 1956 powershell.exe Token: 33 1956 powershell.exe Token: 34 1956 powershell.exe Token: 35 1956 powershell.exe Token: 36 1956 powershell.exe - Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 4316 wrote to memory of 2408 4316 wscript.exe 85 PID 2408 wrote to memory of 1956 2408 cscript.exe 87
Processes
-
C:\Windows\system32\wscript.exewscript.exe C:\Users\Admin\AppData\Local\Temp\OPTO-M~1.JS.js1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4316 -
C:\Windows\System32\cscript.exe"C:\Windows\System32\cscript.exe" "OPTO-M~1.JS.js"2⤵
- Suspicious use of WriteProcessMemory
PID:2408 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell3⤵
- Badlisted process makes network request
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1956
-
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_acnfdymn.3eq.ps1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- TLSH T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
- MD5 SHA1 SHA512 TLSH