Analysis
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max time kernel
132s -
max time network
171s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
07-03-2024 22:34
Static task
static1
Behavioral task
behavioral1
Sample
cisa.msi
Resource
win7-20240215-en
windows7-x64
10 signatures
150 seconds
Behavioral task
behavioral2
Sample
cisa.msi
Resource
win10v2004-20240226-en
windows10-2004-x64
11 signatures
150 seconds
General
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Target
cisa.msi
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Size
1.5MB
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MD5
c4e8f3e02fd50a4051f11048f1355726
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SHA1
c82bf39c9f4797f346447aecc1070fb8c892010f
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SHA256
3a950d7e6736f17c3df90844c76d934dc66c17ec76841a4ad58de07af7955f0f
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SHA512
e44d8330c4ffdae01614ed5d11c2f112cff9b39bae793242f983d039e1404d371a2697a77fa65b740e43548ab1b203607a6d82b05ff3df741be02bd99a136592
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SSDEEP
24576:QjGxLNvYLSMvZCFlp8zBQSc0ZoCvqKwx0ECIgYmfLVYeBZr7A0r7Jh3OnJ3qXIoj:QjivYpW8zBQSc0ZnSKeZKumZr7A+D3O2
Score
6/10
Malware Config
Signatures
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Enumerates connected drives 3 TTPs 46 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
msiexec.exemsiexec.exedescription ioc Process File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\E: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\E: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\W: 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) \??\I: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\M: msiexec.exe -
Drops file in Windows directory 10 IoCs
Processes:
msiexec.exedescription ioc Process File opened for modification C:\Windows\Installer\e585e09.msi msiexec.exe File opened for modification C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ngen.log msiexec.exe File opened for modification C:\Windows\Installer\MSI6158.tmp msiexec.exe File created C:\Windows\Installer\SourceHash{A38F5F69-A209-49ED-8CCE-91613AA34EAF} msiexec.exe File opened for modification C:\Windows\Installer\MSI60AB.tmp msiexec.exe File created C:\Windows\Installer\e585e09.msi msiexec.exe File opened for modification C:\Windows\Installer\MSI5E86.tmp msiexec.exe File opened for modification C:\Windows\Installer\MSI5F62.tmp msiexec.exe File opened for modification C:\Windows\Installer\ msiexec.exe File created C:\Windows\Installer\inprogressinstallinfo.ipi msiexec.exe -
Executes dropped EXE 1 IoCs
Processes:
MSI6158.tmppid Process 2872 MSI6158.tmp -
Loads dropped DLL 10 IoCs
Processes:
MsiExec.exeMsiExec.exerundll32.exerundll32.exepid Process 4108 MsiExec.exe 4108 MsiExec.exe 4108 MsiExec.exe 4108 MsiExec.exe 4108 MsiExec.exe 4108 MsiExec.exe 1272 MsiExec.exe 1272 MsiExec.exe 2904 rundll32.exe 3220 rundll32.exe -
Checks SCSI registry key(s) 3 TTPs 5 IoCs
SCSI information is often read in order to detect sandboxing environments.
Processes:
vssvc.exedescription ioc Process Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Device Parameters vssvc.exe 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 -
Suspicious behavior: EnumeratesProcesses 12 IoCs
Processes:
msiexec.exeMSI6158.tmprundll32.exerundll32.exepid Process 672 msiexec.exe 672 msiexec.exe 2872 MSI6158.tmp 2872 MSI6158.tmp 2904 rundll32.exe 2904 rundll32.exe 2904 rundll32.exe 2904 rundll32.exe 3220 rundll32.exe 3220 rundll32.exe 3220 rundll32.exe 3220 rundll32.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
msiexec.exemsiexec.exedescription pid Process Token: SeShutdownPrivilege 3116 msiexec.exe Token: SeIncreaseQuotaPrivilege 3116 msiexec.exe Token: SeSecurityPrivilege 672 msiexec.exe Token: SeCreateTokenPrivilege 3116 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 3116 msiexec.exe Token: SeLockMemoryPrivilege 3116 msiexec.exe Token: SeIncreaseQuotaPrivilege 3116 msiexec.exe Token: SeMachineAccountPrivilege 3116 msiexec.exe Token: SeTcbPrivilege 3116 msiexec.exe Token: SeSecurityPrivilege 3116 msiexec.exe Token: SeTakeOwnershipPrivilege 3116 msiexec.exe Token: SeLoadDriverPrivilege 3116 msiexec.exe Token: SeSystemProfilePrivilege 3116 msiexec.exe Token: SeSystemtimePrivilege 3116 msiexec.exe Token: SeProfSingleProcessPrivilege 3116 msiexec.exe Token: SeIncBasePriorityPrivilege 3116 msiexec.exe Token: SeCreatePagefilePrivilege 3116 msiexec.exe Token: SeCreatePermanentPrivilege 3116 msiexec.exe Token: SeBackupPrivilege 3116 msiexec.exe Token: SeRestorePrivilege 3116 msiexec.exe Token: SeShutdownPrivilege 3116 msiexec.exe Token: SeDebugPrivilege 3116 msiexec.exe Token: SeAuditPrivilege 3116 msiexec.exe Token: SeSystemEnvironmentPrivilege 3116 msiexec.exe Token: SeChangeNotifyPrivilege 3116 msiexec.exe Token: SeRemoteShutdownPrivilege 3116 msiexec.exe Token: SeUndockPrivilege 3116 msiexec.exe Token: SeSyncAgentPrivilege 3116 msiexec.exe Token: SeEnableDelegationPrivilege 3116 msiexec.exe Token: SeManageVolumePrivilege 3116 msiexec.exe Token: SeImpersonatePrivilege 3116 msiexec.exe Token: SeCreateGlobalPrivilege 3116 msiexec.exe Token: SeCreateTokenPrivilege 3116 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 3116 msiexec.exe Token: SeLockMemoryPrivilege 3116 msiexec.exe Token: SeIncreaseQuotaPrivilege 3116 msiexec.exe Token: SeMachineAccountPrivilege 3116 msiexec.exe Token: SeTcbPrivilege 3116 msiexec.exe Token: SeSecurityPrivilege 3116 msiexec.exe Token: SeTakeOwnershipPrivilege 3116 msiexec.exe Token: SeLoadDriverPrivilege 3116 msiexec.exe Token: SeSystemProfilePrivilege 3116 msiexec.exe Token: SeSystemtimePrivilege 3116 msiexec.exe Token: SeProfSingleProcessPrivilege 3116 msiexec.exe Token: SeIncBasePriorityPrivilege 3116 msiexec.exe Token: SeCreatePagefilePrivilege 3116 msiexec.exe Token: SeCreatePermanentPrivilege 3116 msiexec.exe Token: SeBackupPrivilege 3116 msiexec.exe Token: SeRestorePrivilege 3116 msiexec.exe Token: SeShutdownPrivilege 3116 msiexec.exe Token: SeDebugPrivilege 3116 msiexec.exe Token: SeAuditPrivilege 3116 msiexec.exe Token: SeSystemEnvironmentPrivilege 3116 msiexec.exe Token: SeChangeNotifyPrivilege 3116 msiexec.exe Token: SeRemoteShutdownPrivilege 3116 msiexec.exe Token: SeUndockPrivilege 3116 msiexec.exe Token: SeSyncAgentPrivilege 3116 msiexec.exe Token: SeEnableDelegationPrivilege 3116 msiexec.exe Token: SeManageVolumePrivilege 3116 msiexec.exe Token: SeImpersonatePrivilege 3116 msiexec.exe Token: SeCreateGlobalPrivilege 3116 msiexec.exe Token: SeCreateTokenPrivilege 3116 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 3116 msiexec.exe Token: SeLockMemoryPrivilege 3116 msiexec.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
msiexec.exepid Process 3116 msiexec.exe 3116 msiexec.exe -
Suspicious use of WriteProcessMemory 13 IoCs
Processes:
msiexec.exerundll32.exedescription pid Process procid_target PID 672 wrote to memory of 4108 672 msiexec.exe 96 PID 672 wrote to memory of 4108 672 msiexec.exe 96 PID 672 wrote to memory of 4108 672 msiexec.exe 96 PID 672 wrote to memory of 4316 672 msiexec.exe 113 PID 672 wrote to memory of 4316 672 msiexec.exe 113 PID 672 wrote to memory of 1272 672 msiexec.exe 115 PID 672 wrote to memory of 1272 672 msiexec.exe 115 PID 672 wrote to memory of 1272 672 msiexec.exe 115 PID 672 wrote to memory of 2872 672 msiexec.exe 117 PID 672 wrote to memory of 2872 672 msiexec.exe 117 PID 672 wrote to memory of 2872 672 msiexec.exe 117 PID 2904 wrote to memory of 3220 2904 rundll32.exe 119 PID 2904 wrote to memory of 3220 2904 rundll32.exe 119 -
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.
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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\cisa.msi1⤵
- Enumerates connected drives
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:3116
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C:\Windows\system32\msiexec.exeC:\Windows\system32\msiexec.exe /V1⤵
- Enumerates connected drives
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:672 -
C:\Windows\syswow64\MsiExec.exeC:\Windows\syswow64\MsiExec.exe -Embedding E38AE3DCA1DC8697F7B7B2E1216F0F56 C2⤵
- Loads dropped DLL
PID:4108
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C:\Windows\system32\srtasks.exeC:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:22⤵PID:4316
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C:\Windows\syswow64\MsiExec.exeC:\Windows\syswow64\MsiExec.exe -Embedding 297764985DC7116188995420E269089E2⤵
- Loads dropped DLL
PID:1272
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C:\Windows\Installer\MSI6158.tmp"C:\Windows\Installer\MSI6158.tmp" C:\Windows\System32\rundll32.exe C:\Users\Admin\AppData\Local\stat\falcon.dll, vgml2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:2872
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Checks SCSI registry key(s)
PID:3268
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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=4056 --field-trial-handle=3084,i,11997299123381683778,5904351605020331957,262144 --variations-seed-version /prefetch:81⤵PID:2940
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C:\Windows\System32\rundll32.exe"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Local\stat\falcon.dll, vgml1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2904 -
C:\Windows\System32\rundll32.exerundll32.exe "C:\Users\Admin\AppData\Roaming\Custom_update\Update_36b6af86.dll", vgml2⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
PID:3220
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1KB
MD5a4f18ba1b1ce2b39a7508a6f9c95ae38
SHA1dbf04e75b49468a9a219983526b04d9bc66464f2
SHA256566abc0664188d3d8854168e0da872692a3625721ae3ce4ea2f726b715f2cf14
SHA512c28a4dc18ec0a3e2ffd928737e7b72223857f4ae8e12573dde1380d8e857d9466d409f7113d4996a391bed52913a51dce7464054c5ac71a108ad97b3ae1fe2b8
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Filesize
436KB
MD5475d20c0ea477a35660e3f67ecf0a1df
SHA167340739f51e1134ae8f0ffc5ae9dd710e8e3a08
SHA256426e6cf199a8268e8a7763ec3a4dd7add982b28c51d89ebea90ca792cbae14dd
SHA51299525aaab2ab608134b5d66b5313e7fc3c2e2877395c5c171897d7a6c66efb26b606de1a4cb01118c2738ea4b6542e4eb4983e631231b3f340bf85e509a9589e
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Filesize
694KB
MD5da8ae8e1de522b20a462239c6893613e
SHA17f65ef885815d81d220f9f42877ff0d696b0134c
SHA256aee22a35cbdac3f16c3ed742c0b1bfe9739a13469cf43b36fb2c63565111028c
SHA512d2dca9ba9272a0bdfa88f7520545e21a1f4d18dcacec36b072369cee8e28ba635a0214b47caef74b6f7fcd06e120d898da997e71c8955c72510972c66d2a855d
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Filesize
389KB
MD5b9545ed17695a32face8c3408a6a3553
SHA1f6c31c9cd832ae2aebcd88e7b2fa6803ae93fc83
SHA2561e0e63b446eecf6c9781c7d1cae1f46a3bb31654a70612f71f31538fb4f4729a
SHA512f6d6dc40dcba5ff091452d7cc257427dcb7ce2a21816b4fec2ee249e63246b64667f5c4095220623533243103876433ef8c12c9b612c0e95fdfffe41d1504e04
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Filesize
550KB
MD5d7114204c8fb87138dbadf32680d5d0b
SHA16847d1d07b330d42a9a98af88c6c10d8e83222de
SHA256b50672dc36e934b17679c207c859b6b587430a73993c3c48747d4882bf7e2d03
SHA51265343059aa09126eb825a198da3d98c8945b448861763e2713621df6e683e87f3e73ec0c946f0dc80ae990336981e5a3eb7ed6351b2cce3cf80b066b66d62c5a
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\??\Volume{64fb06ed-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{d39520e7-3c6b-487d-afa1-ae06cb5d2822}_OnDiskSnapshotProp
Filesize6KB
MD548cdc72c4089d4704a52209ddcc6966d
SHA1e1c35c0f4ccea0e85fe55afeb88300697270f4cf
SHA256da6f8c96d7ca86ff3ee6ac90b2c0e0ba6de800b0e1e33f1465e36d284bf425bb
SHA5123ceadc640f76717629651afe8c176311f8b64b829d92aa11db4eedb1f76dd6ed5e1c113e4741c1479b4879526e1c3fb70c793628a3234af0b0a51288805d1bdd