Analysis
- max time kernel
149s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
02/06/2026, 16:17
Static task
static1
Behavioral task
behavioral1
Sample
tmpskb4fefy.js
Resource
win10ltsc2021-20260513-en
windows10-ltsc_2021-x64
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
tmpskb4fefy.js
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
Behavioral task
behavioral3
Sample
tmpskb4fefy.js
Resource
win11-20260513-en
windows11-21h2-x64
6 signatures
150 seconds
General
- Target tmpskb4fefy.js
- Size 1.7MB
- Sample260602-trfm6sbv2p
- SHA256 49e8c6e6f6479a5f31a03869843d605ebf03b521b155cc7a82c87f053bc07798
- MD5 4ab07d4e6db00f4aa8cc4159db622b7b
- SHA1 ce89eb822bff4b466a1f4ba75045b6656f64b9b3
- SHA512 f8885a0c467923293cde62390171342710c926267d9e97d1394ade7ea3c798012a0882a9a61f6cd8d96ed616e00e23788bbe20f9ade2aaa417f50c6ac4ae3ce5
- SSDEEP 12288:SeQlNYbhfw4Y/Az2z+FIE5AlQlDu90TsDJWx5u1xNydLpg8hC6gQl6GfwgqqQkvK:SeQcbhfj8/WHu1/wD5HroObm
- TLSH T15485B749FBD05101B867729D4E9F708EE17C501FB941AC88BD4CA8A43F9A22457EEF78
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
Malware Config
Signatures
- Badlisted process makes network request 2 IoCs
Network request originating from process or tool commonly abused by malware.
flow pid Process 70 2280 powershell.exe 74 2280 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-1-5-21-668679576-120646659-2289335452-1000\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-1-5-21-668679576-120646659-2289335452-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\ powershell.exe - Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 2280 powershell.exe 2280 powershell.exe 2280 powershell.exe 2280 powershell.exe - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 2280 powershell.exe Token: SeIncreaseQuotaPrivilege 2280 powershell.exe Token: SeSecurityPrivilege 2280 powershell.exe Token: SeTakeOwnershipPrivilege 2280 powershell.exe Token: SeLoadDriverPrivilege 2280 powershell.exe Token: SeSystemProfilePrivilege 2280 powershell.exe Token: SeSystemtimePrivilege 2280 powershell.exe Token: SeProfSingleProcessPrivilege 2280 powershell.exe Token: SeIncBasePriorityPrivilege 2280 powershell.exe Token: SeCreatePagefilePrivilege 2280 powershell.exe Token: SeBackupPrivilege 2280 powershell.exe Token: SeRestorePrivilege 2280 powershell.exe Token: SeShutdownPrivilege 2280 powershell.exe Token: SeDebugPrivilege 2280 powershell.exe Token: SeSystemEnvironmentPrivilege 2280 powershell.exe Token: SeRemoteShutdownPrivilege 2280 powershell.exe Token: SeUndockPrivilege 2280 powershell.exe Token: SeManageVolumePrivilege 2280 powershell.exe Token: 33 2280 powershell.exe Token: 34 2280 powershell.exe Token: 35 2280 powershell.exe Token: 36 2280 powershell.exe Token: SeIncreaseQuotaPrivilege 2280 powershell.exe Token: SeSecurityPrivilege 2280 powershell.exe Token: SeTakeOwnershipPrivilege 2280 powershell.exe Token: SeLoadDriverPrivilege 2280 powershell.exe Token: SeSystemProfilePrivilege 2280 powershell.exe Token: SeSystemtimePrivilege 2280 powershell.exe Token: SeProfSingleProcessPrivilege 2280 powershell.exe Token: SeIncBasePriorityPrivilege 2280 powershell.exe Token: SeCreatePagefilePrivilege 2280 powershell.exe Token: SeBackupPrivilege 2280 powershell.exe Token: SeRestorePrivilege 2280 powershell.exe Token: SeShutdownPrivilege 2280 powershell.exe Token: SeDebugPrivilege 2280 powershell.exe Token: SeSystemEnvironmentPrivilege 2280 powershell.exe Token: SeRemoteShutdownPrivilege 2280 powershell.exe Token: SeUndockPrivilege 2280 powershell.exe Token: SeManageVolumePrivilege 2280 powershell.exe Token: 33 2280 powershell.exe Token: 34 2280 powershell.exe Token: 35 2280 powershell.exe Token: 36 2280 powershell.exe Token: SeIncreaseQuotaPrivilege 2280 powershell.exe Token: SeSecurityPrivilege 2280 powershell.exe Token: SeTakeOwnershipPrivilege 2280 powershell.exe Token: SeLoadDriverPrivilege 2280 powershell.exe Token: SeSystemProfilePrivilege 2280 powershell.exe Token: SeSystemtimePrivilege 2280 powershell.exe Token: SeProfSingleProcessPrivilege 2280 powershell.exe Token: SeIncBasePriorityPrivilege 2280 powershell.exe Token: SeCreatePagefilePrivilege 2280 powershell.exe Token: SeBackupPrivilege 2280 powershell.exe Token: SeRestorePrivilege 2280 powershell.exe Token: SeShutdownPrivilege 2280 powershell.exe Token: SeDebugPrivilege 2280 powershell.exe Token: SeSystemEnvironmentPrivilege 2280 powershell.exe Token: SeRemoteShutdownPrivilege 2280 powershell.exe Token: SeUndockPrivilege 2280 powershell.exe Token: SeManageVolumePrivilege 2280 powershell.exe Token: 33 2280 powershell.exe Token: 34 2280 powershell.exe Token: 35 2280 powershell.exe Token: 36 2280 powershell.exe - Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 3988 wrote to memory of 4256 3988 wscript.EXE 103 PID 4256 wrote to memory of 2280 4256 cscript.exe 112 - Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
-
C:\Windows\system32\wscript.exewscript.exe C:\Users\Admin\AppData\Local\Temp\tmpskb4fefy.js1⤵PID:2576
-
C:\Windows\system32\wscript.exewscript1⤵PID:2116
-
C:\Windows\system32\wscript.EXEC:\Windows\system32\wscript.EXE REHEAR~1.JS1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3988 -
C:\Windows\System32\cscript.exe"C:\Windows\System32\cscript.exe" "REHEAR~1.JS"2⤵
- Suspicious use of WriteProcessMemory
PID:4256 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell3⤵
- Badlisted process makes network request
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2280
-
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_jn2iajgj.xos.ps1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- TLSH T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Roaming\RenameTest\REHEAR~1.JS
- Size 38.3MB
- SHA256 12ec6efd07fc8f04202a958d9126c16c65b56c41e498213c4ff701b88e90b18e
- MD5 48234a1d7ae3b97a65757fdec71e6cdd
- SHA1 a2d268c2f31831621be05fdccb3dd1b581e3d8f5
- SHA512 2f2a8013ad4a3860a6e43be64196b59730c7ad041a72fea3dc993b8ce78d620d0c6f5cb68247e6b43db48c49475dae64a1fcd408b34be9731f657cf2957528ef
- SSDEEP 6144:6hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhE:p
- TLSH T119974BF974FEC87259C3B528526A0CB99B71E5D0CAC10700DBB0DB54259AF2D8B2BDD4
- MD5 SHA1 SHA512 SSDEEP TLSH