Analysis
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max time kernel
134s -
max time network
166s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
02-04-2024 10:09
Static task
static1
Behavioral task
behavioral1
Sample
callerboost.msi
Resource
win7-20240319-en
Behavioral task
behavioral2
Sample
callerboost.msi
Resource
win10v2004-20240226-en
General
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Target
callerboost.msi
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Size
4.3MB
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MD5
e5f7079ca80c83e485f3bce73ea6ed9f
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SHA1
0d7aaa0d35d08a4a9604e2eb78dec6611149c7ea
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SHA256
79831c653ebd81093024ba5c4fef1bd33d3279b2a679e53f7872cedbae994317
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SHA512
d895c3d379c1bdeb83a2cdd739039ebe716c1f5b78f69da59eb0432b7bd9000fc9529793068bbf9d3fac75278dcadaf638acd74e716f4311ade63cfdeefb6ff9
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SSDEEP
49152:mpUP19qhCxzT+WKjSXnbbAKVTu6YmvuKAFFheHEzM60CPxAimD7Z6lWtB18F:mpWCQbbG909AU0/uQI
Malware Config
Signatures
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Enumerates connected drives 3 TTPs 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\E: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\Y: msiexec.exe -
Checks SCSI registry key(s) 3 TTPs 5 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Device Parameters\Partmgr vssvc.exe Set value (data) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Device Parameters\Partmgr\PartitionTableCache = 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 vssvc.exe Set value (data) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Device Parameters\Partmgr\SnapshotDataCache = 534e41505041525401000000700000008ec7416a0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 vssvc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Device Parameters vssvc.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Device Parameters vssvc.exe -
Suspicious use of AdjustPrivilegeToken 37 IoCs
description pid Process Token: SeShutdownPrivilege 4628 msiexec.exe Token: SeIncreaseQuotaPrivilege 4628 msiexec.exe Token: SeSecurityPrivilege 3096 msiexec.exe Token: SeCreateTokenPrivilege 4628 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 4628 msiexec.exe Token: SeLockMemoryPrivilege 4628 msiexec.exe Token: SeIncreaseQuotaPrivilege 4628 msiexec.exe Token: SeMachineAccountPrivilege 4628 msiexec.exe Token: SeTcbPrivilege 4628 msiexec.exe Token: SeSecurityPrivilege 4628 msiexec.exe Token: SeTakeOwnershipPrivilege 4628 msiexec.exe Token: SeLoadDriverPrivilege 4628 msiexec.exe Token: SeSystemProfilePrivilege 4628 msiexec.exe Token: SeSystemtimePrivilege 4628 msiexec.exe Token: SeProfSingleProcessPrivilege 4628 msiexec.exe Token: SeIncBasePriorityPrivilege 4628 msiexec.exe Token: SeCreatePagefilePrivilege 4628 msiexec.exe Token: SeCreatePermanentPrivilege 4628 msiexec.exe Token: SeBackupPrivilege 4628 msiexec.exe Token: SeRestorePrivilege 4628 msiexec.exe Token: SeShutdownPrivilege 4628 msiexec.exe Token: SeDebugPrivilege 4628 msiexec.exe Token: SeAuditPrivilege 4628 msiexec.exe Token: SeSystemEnvironmentPrivilege 4628 msiexec.exe Token: SeChangeNotifyPrivilege 4628 msiexec.exe Token: SeRemoteShutdownPrivilege 4628 msiexec.exe Token: SeUndockPrivilege 4628 msiexec.exe Token: SeSyncAgentPrivilege 4628 msiexec.exe Token: SeEnableDelegationPrivilege 4628 msiexec.exe Token: SeManageVolumePrivilege 4628 msiexec.exe Token: SeImpersonatePrivilege 4628 msiexec.exe Token: SeCreateGlobalPrivilege 4628 msiexec.exe Token: SeBackupPrivilege 4348 vssvc.exe Token: SeRestorePrivilege 4348 vssvc.exe Token: SeAuditPrivilege 4348 vssvc.exe Token: SeBackupPrivilege 3096 msiexec.exe Token: SeRestorePrivilege 3096 msiexec.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4628 msiexec.exe -
Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
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C:\Windows\system32\msiexec.exemsiexec.exe /I C:\Users\Admin\AppData\Local\Temp\callerboost.msi1⤵
- Enumerates connected drives
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:4628
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C:\Windows\system32\msiexec.exeC:\Windows\system32\msiexec.exe /V1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3096
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Checks SCSI registry key(s)
- Suspicious use of AdjustPrivilegeToken
PID:4348
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4144 --field-trial-handle=2276,i,11674642242468042059,14711253743544118298,262144 --variations-seed-version /prefetch:81⤵PID:1472