Analysis
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max time kernel
161s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
08-03-2024 02:07
Static task
static1
Behavioral task
behavioral1
Sample
3a950d7e6736f17c3df90844c76d934dc66c17ec76841a4ad58de07af7955f0f.msi
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
3a950d7e6736f17c3df90844c76d934dc66c17ec76841a4ad58de07af7955f0f.msi
Resource
win10v2004-20240226-en
General
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Target
3a950d7e6736f17c3df90844c76d934dc66c17ec76841a4ad58de07af7955f0f.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
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) \??\M: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\E: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\O: msiexec.exe 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) \??\G: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\X: 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) \??\V: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\E: msiexec.exe -
Drops file in Windows directory 10 IoCs
Processes:
msiexec.exedescription ioc process File created C:\Windows\Installer\e58bf82.msi msiexec.exe File created C:\Windows\Installer\SourceHash{A38F5F69-A209-49ED-8CCE-91613AA34EAF} msiexec.exe File opened for modification C:\Windows\Installer\MSIC793.tmp msiexec.exe File opened for modification C:\Windows\Installer\MSIC2BF.tmp msiexec.exe File opened for modification C:\Windows\Installer\ msiexec.exe File created C:\Windows\Installer\inprogressinstallinfo.ipi msiexec.exe File opened for modification C:\Windows\Installer\MSIC85F.tmp msiexec.exe File opened for modification C:\Windows\Installer\e58bf82.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\MSIC04D.tmp msiexec.exe -
Executes dropped EXE 1 IoCs
Processes:
MSIC85F.tmppid process 4772 MSIC85F.tmp -
Loads dropped DLL 10 IoCs
Processes:
MsiExec.exeMsiExec.exerundll32.exerundll32.exepid process 1140 MsiExec.exe 1140 MsiExec.exe 1140 MsiExec.exe 1140 MsiExec.exe 1140 MsiExec.exe 1140 MsiExec.exe 2264 MsiExec.exe 2264 MsiExec.exe 4420 rundll32.exe 4800 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 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 Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Device Parameters\Partmgr vssvc.exe -
Suspicious behavior: EnumeratesProcesses 12 IoCs
Processes:
msiexec.exeMSIC85F.tmprundll32.exerundll32.exepid process 4864 msiexec.exe 4864 msiexec.exe 4772 MSIC85F.tmp 4772 MSIC85F.tmp 4420 rundll32.exe 4420 rundll32.exe 4420 rundll32.exe 4420 rundll32.exe 4800 rundll32.exe 4800 rundll32.exe 4800 rundll32.exe 4800 rundll32.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
msiexec.exemsiexec.exedescription pid process Token: SeShutdownPrivilege 232 msiexec.exe Token: SeIncreaseQuotaPrivilege 232 msiexec.exe Token: SeSecurityPrivilege 4864 msiexec.exe Token: SeCreateTokenPrivilege 232 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 232 msiexec.exe Token: SeLockMemoryPrivilege 232 msiexec.exe Token: SeIncreaseQuotaPrivilege 232 msiexec.exe Token: SeMachineAccountPrivilege 232 msiexec.exe Token: SeTcbPrivilege 232 msiexec.exe Token: SeSecurityPrivilege 232 msiexec.exe Token: SeTakeOwnershipPrivilege 232 msiexec.exe Token: SeLoadDriverPrivilege 232 msiexec.exe Token: SeSystemProfilePrivilege 232 msiexec.exe Token: SeSystemtimePrivilege 232 msiexec.exe Token: SeProfSingleProcessPrivilege 232 msiexec.exe Token: SeIncBasePriorityPrivilege 232 msiexec.exe Token: SeCreatePagefilePrivilege 232 msiexec.exe Token: SeCreatePermanentPrivilege 232 msiexec.exe Token: SeBackupPrivilege 232 msiexec.exe Token: SeRestorePrivilege 232 msiexec.exe Token: SeShutdownPrivilege 232 msiexec.exe Token: SeDebugPrivilege 232 msiexec.exe Token: SeAuditPrivilege 232 msiexec.exe Token: SeSystemEnvironmentPrivilege 232 msiexec.exe Token: SeChangeNotifyPrivilege 232 msiexec.exe Token: SeRemoteShutdownPrivilege 232 msiexec.exe Token: SeUndockPrivilege 232 msiexec.exe Token: SeSyncAgentPrivilege 232 msiexec.exe Token: SeEnableDelegationPrivilege 232 msiexec.exe Token: SeManageVolumePrivilege 232 msiexec.exe Token: SeImpersonatePrivilege 232 msiexec.exe Token: SeCreateGlobalPrivilege 232 msiexec.exe Token: SeCreateTokenPrivilege 232 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 232 msiexec.exe Token: SeLockMemoryPrivilege 232 msiexec.exe Token: SeIncreaseQuotaPrivilege 232 msiexec.exe Token: SeMachineAccountPrivilege 232 msiexec.exe Token: SeTcbPrivilege 232 msiexec.exe Token: SeSecurityPrivilege 232 msiexec.exe Token: SeTakeOwnershipPrivilege 232 msiexec.exe Token: SeLoadDriverPrivilege 232 msiexec.exe Token: SeSystemProfilePrivilege 232 msiexec.exe Token: SeSystemtimePrivilege 232 msiexec.exe Token: SeProfSingleProcessPrivilege 232 msiexec.exe Token: SeIncBasePriorityPrivilege 232 msiexec.exe Token: SeCreatePagefilePrivilege 232 msiexec.exe Token: SeCreatePermanentPrivilege 232 msiexec.exe Token: SeBackupPrivilege 232 msiexec.exe Token: SeRestorePrivilege 232 msiexec.exe Token: SeShutdownPrivilege 232 msiexec.exe Token: SeDebugPrivilege 232 msiexec.exe Token: SeAuditPrivilege 232 msiexec.exe Token: SeSystemEnvironmentPrivilege 232 msiexec.exe Token: SeChangeNotifyPrivilege 232 msiexec.exe Token: SeRemoteShutdownPrivilege 232 msiexec.exe Token: SeUndockPrivilege 232 msiexec.exe Token: SeSyncAgentPrivilege 232 msiexec.exe Token: SeEnableDelegationPrivilege 232 msiexec.exe Token: SeManageVolumePrivilege 232 msiexec.exe Token: SeImpersonatePrivilege 232 msiexec.exe Token: SeCreateGlobalPrivilege 232 msiexec.exe Token: SeCreateTokenPrivilege 232 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 232 msiexec.exe Token: SeLockMemoryPrivilege 232 msiexec.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
msiexec.exepid process 232 msiexec.exe 232 msiexec.exe -
Suspicious use of WriteProcessMemory 13 IoCs
Processes:
msiexec.exerundll32.exedescription pid process target process PID 4864 wrote to memory of 1140 4864 msiexec.exe MsiExec.exe PID 4864 wrote to memory of 1140 4864 msiexec.exe MsiExec.exe PID 4864 wrote to memory of 1140 4864 msiexec.exe MsiExec.exe PID 4864 wrote to memory of 3236 4864 msiexec.exe srtasks.exe PID 4864 wrote to memory of 3236 4864 msiexec.exe srtasks.exe PID 4864 wrote to memory of 2264 4864 msiexec.exe MsiExec.exe PID 4864 wrote to memory of 2264 4864 msiexec.exe MsiExec.exe PID 4864 wrote to memory of 2264 4864 msiexec.exe MsiExec.exe PID 4864 wrote to memory of 4772 4864 msiexec.exe MSIC85F.tmp PID 4864 wrote to memory of 4772 4864 msiexec.exe MSIC85F.tmp PID 4864 wrote to memory of 4772 4864 msiexec.exe MSIC85F.tmp PID 4420 wrote to memory of 4800 4420 rundll32.exe rundll32.exe PID 4420 wrote to memory of 4800 4420 rundll32.exe rundll32.exe -
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\3a950d7e6736f17c3df90844c76d934dc66c17ec76841a4ad58de07af7955f0f.msi1⤵
- Enumerates connected drives
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:232
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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:4864 -
C:\Windows\syswow64\MsiExec.exeC:\Windows\syswow64\MsiExec.exe -Embedding 27EBBC17C18A1AD4DD4AB74B44C5F399 C2⤵
- Loads dropped DLL
PID:1140
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C:\Windows\system32\srtasks.exeC:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:22⤵PID:3236
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C:\Windows\syswow64\MsiExec.exeC:\Windows\syswow64\MsiExec.exe -Embedding 5CA73BED1E2B1A33375D2A38A5428D932⤵
- Loads dropped DLL
PID:2264
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C:\Windows\Installer\MSIC85F.tmp"C:\Windows\Installer\MSIC85F.tmp" C:\Windows\System32\rundll32.exe C:\Users\Admin\AppData\Local\stat\falcon.dll, vgml2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:4772
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Checks SCSI registry key(s)
PID:4556
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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:4420 -
C:\Windows\System32\rundll32.exerundll32.exe "C:\Users\Admin\AppData\Roaming\Custom_update\Update_660c9e20.dll", vgml2⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
PID:4800
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD5595d55785e9248e4f87c5f4f4fc57ce6
SHA1ad061d3e707eaa364cf6c14b0769c3336ce43732
SHA2563728e75b375f554f60a4e0201a4de4da1e95d8753f92785f2fa3ceaf054723c4
SHA51281a72102a45cf9f66fc5ad498ddae2860861a44973f6580b4dae48d2dc8a108dd1bc891f3bc92248ee38a00e9dac11c4e1d68ddd35e086cc617599c1e00774c4
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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
23.7MB
MD51a29c348b66c4cc1c48a469a635eade7
SHA1df1c996527d120d54a76098c20ecc6f3bc330445
SHA256f273d863ead2a4d793ecdeb3f017c9c5e29be2144a02e4da4f047f4a0ae0767a
SHA5122a3183c443bfe82e1218c0f22e323b9afad24bc27cccb45a157fee2c20498659a8f102bcd33a9bb5d328cd8c0c7ad1030465f1c1b1127b8127192be41423354f
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\??\Volume{0e54dc8f-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{c8e6ec8a-4c05-4044-ba4b-08a238a5ca34}_OnDiskSnapshotProp
Filesize6KB
MD55a18c80a59c4f1afcd7bd1709b9cb5b5
SHA1da1714d05be3bcf224f6e689eba3a4ce1942dfcd
SHA256d1f47e60684412bd4227d58e746a956329f65a6c3fff670420f3e77e9ae4cc54
SHA512569893deaf305431dfd0f04b0837d7444586407f64d9bfd990501b5039071eba170b4e1c1037815e1465c6945d7cfdc3c44504800c3c1146690cb57da5210043