Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
19-08-2024 16:15
Static task
static1
Behavioral task
behavioral1
Sample
osha mezzanine load posting requirements 99080.js
Resource
win7-20240729-en
windows7-x64
Behavioral task
behavioral2
Sample
osha mezzanine load posting requirements 99080.js
Resource
win10v2004-20240802-en
windows10-2004-x64
General
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Target
osha mezzanine load posting requirements 99080.js
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Size
18.5MB
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MD5
56a46effe9096b9b2b35516e4eaedfde
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SHA1
b3974a58150c9cf513d47cb0230930a997b179b7
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SHA256
183cf9debbcdd31b02ac5b07da2c5750fc7ce3ab420bed68fc9921a5f5a75b01
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SHA512
5db572a3b17d4198f5807d05a8157891778a07726a28d20840d369a5586e0f21c6058c736d8cd26b1cc3a483eb067303cfa18084b04255aa0b9f0e19945b6b70
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SSDEEP
49152:CHI08dPXWR4ba/JOtdF5pHE2lsfiaahM3o43ORV59VDKtDvHI08dPXWR4ba/JOtH:Ac43m6c43m6c43m6c43ml
Malware Config
Signatures
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GootLoader
JavaScript loader known for delivering other families such as Gootkit and Cobaltstrike.
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Blocklisted process makes network request 2 IoCs
Processes:
powershell.exeflow pid Process 50 2940 powershell.exe 69 2940 powershell.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
wscript.EXEdescription ioc Process Key value queried \REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation wscript.EXE -
Command and Scripting Interpreter: JavaScript 1 TTPs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Modifies registry class 2 IoCs
Processes:
powershell.exedescription ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\ powershell.exe Key created \REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\ powershell.exe -
Suspicious behavior: EnumeratesProcesses 10 IoCs
Processes:
powershell.exepid Process 2940 powershell.exe 2940 powershell.exe 2940 powershell.exe 2940 powershell.exe 2940 powershell.exe 2940 powershell.exe 2940 powershell.exe 2940 powershell.exe 2940 powershell.exe 2940 powershell.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
powershell.exedescription pid Process Token: SeDebugPrivilege 2940 powershell.exe Token: SeIncreaseQuotaPrivilege 2940 powershell.exe Token: SeSecurityPrivilege 2940 powershell.exe Token: SeTakeOwnershipPrivilege 2940 powershell.exe Token: SeLoadDriverPrivilege 2940 powershell.exe Token: SeSystemProfilePrivilege 2940 powershell.exe Token: SeSystemtimePrivilege 2940 powershell.exe Token: SeProfSingleProcessPrivilege 2940 powershell.exe Token: SeIncBasePriorityPrivilege 2940 powershell.exe Token: SeCreatePagefilePrivilege 2940 powershell.exe Token: SeBackupPrivilege 2940 powershell.exe Token: SeRestorePrivilege 2940 powershell.exe Token: SeShutdownPrivilege 2940 powershell.exe Token: SeDebugPrivilege 2940 powershell.exe Token: SeSystemEnvironmentPrivilege 2940 powershell.exe Token: SeRemoteShutdownPrivilege 2940 powershell.exe Token: SeUndockPrivilege 2940 powershell.exe Token: SeManageVolumePrivilege 2940 powershell.exe Token: 33 2940 powershell.exe Token: 34 2940 powershell.exe Token: 35 2940 powershell.exe Token: 36 2940 powershell.exe Token: SeIncreaseQuotaPrivilege 2940 powershell.exe Token: SeSecurityPrivilege 2940 powershell.exe Token: SeTakeOwnershipPrivilege 2940 powershell.exe Token: SeLoadDriverPrivilege 2940 powershell.exe Token: SeSystemProfilePrivilege 2940 powershell.exe Token: SeSystemtimePrivilege 2940 powershell.exe Token: SeProfSingleProcessPrivilege 2940 powershell.exe Token: SeIncBasePriorityPrivilege 2940 powershell.exe Token: SeCreatePagefilePrivilege 2940 powershell.exe Token: SeBackupPrivilege 2940 powershell.exe Token: SeRestorePrivilege 2940 powershell.exe Token: SeShutdownPrivilege 2940 powershell.exe Token: SeDebugPrivilege 2940 powershell.exe Token: SeSystemEnvironmentPrivilege 2940 powershell.exe Token: SeRemoteShutdownPrivilege 2940 powershell.exe Token: SeUndockPrivilege 2940 powershell.exe Token: SeManageVolumePrivilege 2940 powershell.exe Token: 33 2940 powershell.exe Token: 34 2940 powershell.exe Token: 35 2940 powershell.exe Token: 36 2940 powershell.exe Token: SeIncreaseQuotaPrivilege 2940 powershell.exe Token: SeSecurityPrivilege 2940 powershell.exe Token: SeTakeOwnershipPrivilege 2940 powershell.exe Token: SeLoadDriverPrivilege 2940 powershell.exe Token: SeSystemProfilePrivilege 2940 powershell.exe Token: SeSystemtimePrivilege 2940 powershell.exe Token: SeProfSingleProcessPrivilege 2940 powershell.exe Token: SeIncBasePriorityPrivilege 2940 powershell.exe Token: SeCreatePagefilePrivilege 2940 powershell.exe Token: SeBackupPrivilege 2940 powershell.exe Token: SeRestorePrivilege 2940 powershell.exe Token: SeShutdownPrivilege 2940 powershell.exe Token: SeDebugPrivilege 2940 powershell.exe Token: SeSystemEnvironmentPrivilege 2940 powershell.exe Token: SeRemoteShutdownPrivilege 2940 powershell.exe Token: SeUndockPrivilege 2940 powershell.exe Token: SeManageVolumePrivilege 2940 powershell.exe Token: 33 2940 powershell.exe Token: 34 2940 powershell.exe Token: 35 2940 powershell.exe Token: 36 2940 powershell.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
wscript.EXEcscript.exedescription pid Process procid_target PID 3168 wrote to memory of 4840 3168 wscript.EXE 99 PID 3168 wrote to memory of 4840 3168 wscript.EXE 99 PID 4840 wrote to memory of 2940 4840 cscript.exe 101 PID 4840 wrote to memory of 2940 4840 cscript.exe 101 -
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
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C:\Windows\system32\wscript.exewscript.exe "C:\Users\Admin\AppData\Local\Temp\osha mezzanine load posting requirements 99080.js"1⤵PID:3428
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C:\Windows\system32\wscript.EXEC:\Windows\system32\wscript.EXE PROPEL~1.JS1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3168 -
C:\Windows\System32\cscript.exe"C:\Windows\System32\cscript.exe" "PROPEL~1.JS"2⤵
- Suspicious use of WriteProcessMemory
PID:4840 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell3⤵
- Blocklisted process makes network request
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2940
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
44.6MB
MD56827398e04fd4935de3a38709838147f
SHA11b35b05b9fac4b2461f5a629ba9c15a276d8f6f2
SHA2568bcc633e5378af9cf4fd35485be4ab4a3630606ea1a0e67185f5810b483abdcf
SHA51222a132d9babcfbd23f0ab4ebb0c5a2e799358fd554d5326a2ee8d2d36b73d7f43447057b41710fc7a51422532809b3ddca4fda5949780ad42142fa7d9b9a2a9a