Analysis
- max time kernel
133s - max time network
141s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system - submitted
03/08/2024, 03:32
Static task
static1
Behavioral task
behavioral1
Sample
a5bfa20263e563377182958dda2eb84d507618e50aef9186b3a62d7a2164a5d6.js
Resource
win7-20240729-en
windows7-x64
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
a5bfa20263e563377182958dda2eb84d507618e50aef9186b3a62d7a2164a5d6.js
Resource
win10v2004-20240802-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target a5bfa20263e563377182958dda2eb84d507618e50aef9186b3a62d7a2164a5d6.js
- Size 18.5MB
- Sample240803-d323jssalk
- SHA256 a5bfa20263e563377182958dda2eb84d507618e50aef9186b3a62d7a2164a5d6
- MD5 cfb2bcf1ba2da7959607296ef737e408
- SHA1 81d5ecf0744a0efeb46d9690919baeada1db2089
- SHA512 d691119bc8de513c1b2efcb66afbb5fa0bd54155b30a94741d7a7013a3c57cdb414ae9ed5e8b6191e5e5062bea5579fd6b6a039cc7eeed6cde7c8e83a972215b
- SSDEEP 49152:kAw08dPXWR4ba/JOtdF5pHE2lsfiaahM3o43ORV59VDKtDxAw08dPXWR4ba/JOtH:3c43m5c43m5c43m5c43ml
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- GootLoader
JavaScript loader known for delivering other families such as Gootkit and Cobaltstrike.
- Blocklisted process makes network request 2 IoCs
flow pid Process 13 3260 powershell.exe 20 3260 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-1-5-21-786284298-625481688-3210388970-1000\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\USER\S-1-5-21-786284298-625481688-3210388970-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\ powershell.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\ powershell.exe - Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 3260 powershell.exe 3260 powershell.exe 3260 powershell.exe 3260 powershell.exe 3260 powershell.exe 3260 powershell.exe 3260 powershell.exe 3260 powershell.exe - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 3260 powershell.exe Token: SeIncreaseQuotaPrivilege 3260 powershell.exe Token: SeSecurityPrivilege 3260 powershell.exe Token: SeTakeOwnershipPrivilege 3260 powershell.exe Token: SeLoadDriverPrivilege 3260 powershell.exe Token: SeSystemProfilePrivilege 3260 powershell.exe Token: SeSystemtimePrivilege 3260 powershell.exe Token: SeProfSingleProcessPrivilege 3260 powershell.exe Token: SeIncBasePriorityPrivilege 3260 powershell.exe Token: SeCreatePagefilePrivilege 3260 powershell.exe Token: SeBackupPrivilege 3260 powershell.exe Token: SeRestorePrivilege 3260 powershell.exe Token: SeShutdownPrivilege 3260 powershell.exe Token: SeDebugPrivilege 3260 powershell.exe Token: SeSystemEnvironmentPrivilege 3260 powershell.exe Token: SeRemoteShutdownPrivilege 3260 powershell.exe Token: SeUndockPrivilege 3260 powershell.exe Token: SeManageVolumePrivilege 3260 powershell.exe Token: 33 3260 powershell.exe Token: 34 3260 powershell.exe Token: 35 3260 powershell.exe Token: 36 3260 powershell.exe Token: SeIncreaseQuotaPrivilege 3260 powershell.exe Token: SeSecurityPrivilege 3260 powershell.exe Token: SeTakeOwnershipPrivilege 3260 powershell.exe Token: SeLoadDriverPrivilege 3260 powershell.exe Token: SeSystemProfilePrivilege 3260 powershell.exe Token: SeSystemtimePrivilege 3260 powershell.exe Token: SeProfSingleProcessPrivilege 3260 powershell.exe Token: SeIncBasePriorityPrivilege 3260 powershell.exe Token: SeCreatePagefilePrivilege 3260 powershell.exe Token: SeBackupPrivilege 3260 powershell.exe Token: SeRestorePrivilege 3260 powershell.exe Token: SeShutdownPrivilege 3260 powershell.exe Token: SeDebugPrivilege 3260 powershell.exe Token: SeSystemEnvironmentPrivilege 3260 powershell.exe Token: SeRemoteShutdownPrivilege 3260 powershell.exe Token: SeUndockPrivilege 3260 powershell.exe Token: SeManageVolumePrivilege 3260 powershell.exe Token: 33 3260 powershell.exe Token: 34 3260 powershell.exe Token: 35 3260 powershell.exe Token: 36 3260 powershell.exe Token: SeIncreaseQuotaPrivilege 3260 powershell.exe Token: SeSecurityPrivilege 3260 powershell.exe Token: SeTakeOwnershipPrivilege 3260 powershell.exe Token: SeLoadDriverPrivilege 3260 powershell.exe Token: SeSystemProfilePrivilege 3260 powershell.exe Token: SeSystemtimePrivilege 3260 powershell.exe Token: SeProfSingleProcessPrivilege 3260 powershell.exe Token: SeIncBasePriorityPrivilege 3260 powershell.exe Token: SeCreatePagefilePrivilege 3260 powershell.exe Token: SeBackupPrivilege 3260 powershell.exe Token: SeRestorePrivilege 3260 powershell.exe Token: SeShutdownPrivilege 3260 powershell.exe Token: SeDebugPrivilege 3260 powershell.exe Token: SeSystemEnvironmentPrivilege 3260 powershell.exe Token: SeRemoteShutdownPrivilege 3260 powershell.exe Token: SeUndockPrivilege 3260 powershell.exe Token: SeManageVolumePrivilege 3260 powershell.exe Token: 33 3260 powershell.exe Token: 34 3260 powershell.exe Token: 35 3260 powershell.exe Token: 36 3260 powershell.exe - Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 5028 wrote to memory of 2496 5028 wscript.EXE 86 PID 5028 wrote to memory of 2496 5028 wscript.EXE 86 PID 2496 wrote to memory of 3260 2496 cscript.exe 88 PID 2496 wrote to memory of 3260 2496 cscript.exe 88 - 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\a5bfa20263e563377182958dda2eb84d507618e50aef9186b3a62d7a2164a5d6.js1⤵PID:1748
-
C:\Windows\system32\wscript.EXEC:\Windows\system32\wscript.EXE OPTICA~1.JS1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:5028 -
C:\Windows\System32\cscript.exe"C:\Windows\System32\cscript.exe" "OPTICA~1.JS"2⤵
- Suspicious use of WriteProcessMemory
PID:2496 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell3⤵
- Blocklisted process makes network request
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3260
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_zd34bajn.qyd.ps1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Roaming\Adobe\OPTICA~1.JS
- Size 41.5MB
- SHA256 3831890ee7867fa9f2feb845dbf023a1009ecbff3c246616400592df35b9e7e7
- MD5 2945f454bbc041d82edfbe4c7bdc3655
- SHA1 083963a47c8c4effb8f315270ea1fe4955bf252b
- SHA512 4fcc9b31a2568700ccd3657e1c0f4b0d2db16f67f289e4b42fa45769e702a45272717f3103537643b4231dc6b84e58e2a405c1788a79d4241d605c022ff9c103
- SSDEEP 12288:L2H2H2H2H2H2H2H2H2H2H2H2H2H2H2H2H2H2H2H2H2H2H2H2H2H2H2H2H2H2H2Hf:Y
- MD5 SHA1 SHA512 SSDEEP