Analysis
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max time kernel
136s -
max time network
124s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
30-08-2024 11:59
Static task
static1
Behavioral task
behavioral1
Sample
334c3f529b1c580ea83e2ea1e85b7a937dcceb3dd3b2a533afb936f53100c222.msi
Resource
win7-20240729-en
windows7-x64
15 signatures
150 seconds
Behavioral task
behavioral2
Sample
334c3f529b1c580ea83e2ea1e85b7a937dcceb3dd3b2a533afb936f53100c222.msi
Resource
win10v2004-20240802-en
windows10-2004-x64
15 signatures
150 seconds
General
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Target
334c3f529b1c580ea83e2ea1e85b7a937dcceb3dd3b2a533afb936f53100c222.msi
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Size
1.6MB
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MD5
329259260ebe046b0e80bec91f632ba0
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SHA1
db1184c14af32cf859d7f089d1dacc685257cc11
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SHA256
334c3f529b1c580ea83e2ea1e85b7a937dcceb3dd3b2a533afb936f53100c222
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SHA512
cfa0235623ec962266dbe9bcba5eac4535eff365aa784e6cf4d2a877aa6fedcc0801e5ba751b35ad176997337b72e4141f42ee07faf1017abcfda42b3228b2a4
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SSDEEP
49152:L/c3YuW8zBQSc0ZnSKYZKumZr7AVXP4XnEPvw:CY90ZniK/AVXP
Malware Config
Signatures
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Detects Latrodectus 1 IoCs
Detects Latrodectus v1.4.
resource yara_rule behavioral2/memory/3568-62-0x000001F3951C0000-0x000001F3951D6000-memory.dmp family_latrodectus_1_4 -
Latrodectus loader
Latrodectus is a loader written in C++.
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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.
description ioc Process File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\E: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\E: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\X: msiexec.exe -
Drops file in Windows directory 10 IoCs
description ioc Process File created C:\Windows\Installer\e57dff0.msi msiexec.exe File created C:\Windows\Installer\inprogressinstallinfo.ipi msiexec.exe File created C:\Windows\Installer\SourceHash{C3EF75B7-DF56-4658-B4FD-77A897CEA03F} msiexec.exe File opened for modification C:\Windows\Installer\MSIE0FC.tmp msiexec.exe File opened for modification C:\Windows\Installer\MSIE1B8.tmp msiexec.exe File opened for modification C:\Windows\Installer\e57dff0.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\MSIE03E.tmp msiexec.exe File opened for modification C:\Windows\Installer\MSIE08D.tmp msiexec.exe File opened for modification C:\Windows\Installer\ msiexec.exe -
Executes dropped EXE 1 IoCs
pid Process 3716 MSIE1B8.tmp -
Loads dropped DLL 10 IoCs
pid Process 5052 MsiExec.exe 5052 MsiExec.exe 5052 MsiExec.exe 5052 MsiExec.exe 5052 MsiExec.exe 5052 MsiExec.exe 3176 MsiExec.exe 3176 MsiExec.exe 2096 rundll32.exe 3568 rundll32.exe -
Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
pid Process 960 msiexec.exe -
System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language MsiExec.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language MsiExec.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language MSIE1B8.tmp -
Checks SCSI registry key(s) 3 TTPs 5 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Device Parameters vssvc.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Device Parameters vssvc.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Device Parameters\Partmgr vssvc.exe Set value (data) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\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_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Device Parameters\Partmgr\SnapshotDataCache = 534e41505041525401000000700000008ec7416a0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 vssvc.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3144 msiexec.exe 3144 msiexec.exe 3716 MSIE1B8.tmp 3716 MSIE1B8.tmp -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeShutdownPrivilege 960 msiexec.exe Token: SeIncreaseQuotaPrivilege 960 msiexec.exe Token: SeSecurityPrivilege 3144 msiexec.exe Token: SeCreateTokenPrivilege 960 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 960 msiexec.exe Token: SeLockMemoryPrivilege 960 msiexec.exe Token: SeIncreaseQuotaPrivilege 960 msiexec.exe Token: SeMachineAccountPrivilege 960 msiexec.exe Token: SeTcbPrivilege 960 msiexec.exe Token: SeSecurityPrivilege 960 msiexec.exe Token: SeTakeOwnershipPrivilege 960 msiexec.exe Token: SeLoadDriverPrivilege 960 msiexec.exe Token: SeSystemProfilePrivilege 960 msiexec.exe Token: SeSystemtimePrivilege 960 msiexec.exe Token: SeProfSingleProcessPrivilege 960 msiexec.exe Token: SeIncBasePriorityPrivilege 960 msiexec.exe Token: SeCreatePagefilePrivilege 960 msiexec.exe Token: SeCreatePermanentPrivilege 960 msiexec.exe Token: SeBackupPrivilege 960 msiexec.exe Token: SeRestorePrivilege 960 msiexec.exe Token: SeShutdownPrivilege 960 msiexec.exe Token: SeDebugPrivilege 960 msiexec.exe Token: SeAuditPrivilege 960 msiexec.exe Token: SeSystemEnvironmentPrivilege 960 msiexec.exe Token: SeChangeNotifyPrivilege 960 msiexec.exe Token: SeRemoteShutdownPrivilege 960 msiexec.exe Token: SeUndockPrivilege 960 msiexec.exe Token: SeSyncAgentPrivilege 960 msiexec.exe Token: SeEnableDelegationPrivilege 960 msiexec.exe Token: SeManageVolumePrivilege 960 msiexec.exe Token: SeImpersonatePrivilege 960 msiexec.exe Token: SeCreateGlobalPrivilege 960 msiexec.exe Token: SeCreateTokenPrivilege 960 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 960 msiexec.exe Token: SeLockMemoryPrivilege 960 msiexec.exe Token: SeIncreaseQuotaPrivilege 960 msiexec.exe Token: SeMachineAccountPrivilege 960 msiexec.exe Token: SeTcbPrivilege 960 msiexec.exe Token: SeSecurityPrivilege 960 msiexec.exe Token: SeTakeOwnershipPrivilege 960 msiexec.exe Token: SeLoadDriverPrivilege 960 msiexec.exe Token: SeSystemProfilePrivilege 960 msiexec.exe Token: SeSystemtimePrivilege 960 msiexec.exe Token: SeProfSingleProcessPrivilege 960 msiexec.exe Token: SeIncBasePriorityPrivilege 960 msiexec.exe Token: SeCreatePagefilePrivilege 960 msiexec.exe Token: SeCreatePermanentPrivilege 960 msiexec.exe Token: SeBackupPrivilege 960 msiexec.exe Token: SeRestorePrivilege 960 msiexec.exe Token: SeShutdownPrivilege 960 msiexec.exe Token: SeDebugPrivilege 960 msiexec.exe Token: SeAuditPrivilege 960 msiexec.exe Token: SeSystemEnvironmentPrivilege 960 msiexec.exe Token: SeChangeNotifyPrivilege 960 msiexec.exe Token: SeRemoteShutdownPrivilege 960 msiexec.exe Token: SeUndockPrivilege 960 msiexec.exe Token: SeSyncAgentPrivilege 960 msiexec.exe Token: SeEnableDelegationPrivilege 960 msiexec.exe Token: SeManageVolumePrivilege 960 msiexec.exe Token: SeImpersonatePrivilege 960 msiexec.exe Token: SeCreateGlobalPrivilege 960 msiexec.exe Token: SeCreateTokenPrivilege 960 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 960 msiexec.exe Token: SeLockMemoryPrivilege 960 msiexec.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 960 msiexec.exe 960 msiexec.exe -
Suspicious use of WriteProcessMemory 13 IoCs
description pid Process procid_target PID 3144 wrote to memory of 5052 3144 msiexec.exe 86 PID 3144 wrote to memory of 5052 3144 msiexec.exe 86 PID 3144 wrote to memory of 5052 3144 msiexec.exe 86 PID 3144 wrote to memory of 1200 3144 msiexec.exe 100 PID 3144 wrote to memory of 1200 3144 msiexec.exe 100 PID 3144 wrote to memory of 3176 3144 msiexec.exe 102 PID 3144 wrote to memory of 3176 3144 msiexec.exe 102 PID 3144 wrote to memory of 3176 3144 msiexec.exe 102 PID 3144 wrote to memory of 3716 3144 msiexec.exe 103 PID 3144 wrote to memory of 3716 3144 msiexec.exe 103 PID 3144 wrote to memory of 3716 3144 msiexec.exe 103 PID 2096 wrote to memory of 3568 2096 rundll32.exe 105 PID 2096 wrote to memory of 3568 2096 rundll32.exe 105 -
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\334c3f529b1c580ea83e2ea1e85b7a937dcceb3dd3b2a533afb936f53100c222.msi1⤵
- Enumerates connected drives
- Event Triggered Execution: Installer Packages
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:960
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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:3144 -
C:\Windows\syswow64\MsiExec.exeC:\Windows\syswow64\MsiExec.exe -Embedding A836678CAE36374D81D87EABF8D64DB1 C2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:5052
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C:\Windows\system32\srtasks.exeC:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:22⤵PID:1200
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C:\Windows\syswow64\MsiExec.exeC:\Windows\syswow64\MsiExec.exe -Embedding 9D3747BD942EA4361A4E9E33795568E42⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:3176
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C:\Windows\Installer\MSIE1B8.tmp"C:\Windows\Installer\MSIE1B8.tmp" C:/Windows/System32/rundll32.exe C:\Users\Admin\AppData\Roaming\tz6.dll, NvCreateMPEG4MuxSink2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:3716
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Checks SCSI registry key(s)
PID:4816
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C:\Windows\System32\rundll32.exe"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\tz6.dll, NvCreateMPEG4MuxSink1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2096 -
C:\Windows\System32\rundll32.exerundll32.exe "C:\Users\Admin\AppData\Roaming\Custom_update\Update_6c821f5.dll", NvCreateMPEG4MuxSink2⤵
- Loads dropped DLL
PID:3568
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1KB
MD531cb37cbdb9bde0c1c1bc0a70f459929
SHA1c2f2b46ab2faef5dae0d0a91b9ed39f160911a42
SHA256ca5a9233efc491925f2054eff94547114c9c7c5fe22ceb5231fa5194f4c35e55
SHA5126f572992f990f91edcc4f0f7e9d3861f6022c471a7cd7ca165dd62e9b0bc8740ba8d9383d77046a51005438ad3f6c230e992dce49fee9605c7147428e6bb2c04
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Filesize
436KB
MD5475d20c0ea477a35660e3f67ecf0a1df
SHA167340739f51e1134ae8f0ffc5ae9dd710e8e3a08
SHA256426e6cf199a8268e8a7763ec3a4dd7add982b28c51d89ebea90ca792cbae14dd
SHA51299525aaab2ab608134b5d66b5313e7fc3c2e2877395c5c171897d7a6c66efb26b606de1a4cb01118c2738ea4b6542e4eb4983e631231b3f340bf85e509a9589e
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Filesize
1.1MB
MD511bba295ee381161292c384c2eca7a0c
SHA12ce64388e396af0c1d96c8544fca6cfee0644f54
SHA2564dabba4dbabba2b5201fca7e525859946ad860e2693574dc2a6d18348b0c8b95
SHA51242d926b2a6a4dc99f264a7a38ab951e55f5b126313d8f3250698aca65aea6330030940c91179b29b563c625ddd8f2672ddb7ec3a4f440ffe32dcd3d6cb982f55
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Filesize
389KB
MD5b9545ed17695a32face8c3408a6a3553
SHA1f6c31c9cd832ae2aebcd88e7b2fa6803ae93fc83
SHA2561e0e63b446eecf6c9781c7d1cae1f46a3bb31654a70612f71f31538fb4f4729a
SHA512f6d6dc40dcba5ff091452d7cc257427dcb7ce2a21816b4fec2ee249e63246b64667f5c4095220623533243103876433ef8c12c9b612c0e95fdfffe41d1504e04
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Filesize
23.7MB
MD52a275785f819796f961797a5c96111f5
SHA158d7f7f10024078b8660ac4e9972983abdf2d7c2
SHA256b5d94d57c0518d875ebcfa3d8e68067ff381a8e30fcf38b5c681da31070cf70b
SHA5127b36f0cba0238cde5385dbfddc1a17eb04f138fdff6f9a7f79ec56b091fe9468de672627b65ea1486b0c8f10a4fefbd0942681d1fa359e4b400459aba1546201
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\??\Volume{8484aac9-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{c49f6177-0f78-4067-afe3-ad239445dd09}_OnDiskSnapshotProp
Filesize6KB
MD544780743ba697b53c016e50037ab5dfd
SHA1a14f4992bdf790d3d53613a8e34f2cf7f9bdfcb4
SHA256a13957392b5b04abdbbcdcb5cb64373ab469bc00bac1002cdee87a20c9457a66
SHA512bdb566e451f1fe391b302ca7aaee0fc6797e6114d8143802ed7941ced3d77a3bc30830fafa62969ca69e898aab65adb4371135c926f9d017f38f35ce5987931a