Analysis
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max time kernel
141s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
14/10/2023, 03:58
Static task
static1
Behavioral task
behavioral1
Sample
e4780a285befbc2419d74e2c3bcecffd0e128a8e1f8db367de072b37d59e942b_JC.msi
Resource
win7-20230831-en
windows7-x64
Behavioral task
behavioral2
Sample
e4780a285befbc2419d74e2c3bcecffd0e128a8e1f8db367de072b37d59e942b_JC.msi
Resource
win10v2004-20230915-en
windows10-2004-x64
General
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Target
e4780a285befbc2419d74e2c3bcecffd0e128a8e1f8db367de072b37d59e942b_JC.msi
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Size
527KB
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MD5
f21e7ee2ee6ab192ea920d1dbacbfc3e
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SHA1
7df2489e660c9f0f060b2897d732deb51a5dea37
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SHA256
e4780a285befbc2419d74e2c3bcecffd0e128a8e1f8db367de072b37d59e942b
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SHA512
10bdbb79d00dedb5945c6f2398d2bb6a438da80bb7273405dab3f3c19e2ef1493e66f9e6d0110ad31bec40c4c70c6ab80112e7101db4e6bd0e09cf40a86f86b6
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SSDEEP
12288:kfkdlY5AVTqp4nb5roPzfGXSjptsrYI21wlD:kfkdlY5Awp4b5fXSjp2b
Malware Config
Signatures
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Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Application Signer.cmd msiexec.exe -
Loads dropped DLL 2 IoCs
pid Process 1972 MsiExec.exe 1972 MsiExec.exe -
Blocklisted process makes network request 1 IoCs
flow pid Process 72 1972 MsiExec.exe -
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) \??\Z: msiexec.exe File opened (read-only) \??\E: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\J: 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) \??\K: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\M: 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) \??\G: msiexec.exe File opened (read-only) \??\N: msiexec.exe -
Drops file in Windows directory 9 IoCs
description ioc Process File created C:\Windows\Installer\e5a1195.msi msiexec.exe File opened for modification C:\Windows\Installer\MSI32E9.tmp msiexec.exe File opened for modification C:\Windows\Installer\ msiexec.exe File opened for modification C:\Windows\Installer\MSI34FE.tmp msiexec.exe File opened for modification C:\Windows\Installer\e5a1195.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\MSI1500.tmp msiexec.exe File created C:\Windows\Installer\inprogressinstallinfo.ipi msiexec.exe File created C:\Windows\Installer\SourceHash{A6E9290B-D3AF-490D-A2E6-D54A4B28F05F} 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 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 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 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2748 msiexec.exe 2748 msiexec.exe -
Suspicious use of AdjustPrivilegeToken 57 IoCs
description pid Process Token: SeShutdownPrivilege 1592 msiexec.exe Token: SeIncreaseQuotaPrivilege 1592 msiexec.exe Token: SeSecurityPrivilege 2748 msiexec.exe Token: SeCreateTokenPrivilege 1592 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 1592 msiexec.exe Token: SeLockMemoryPrivilege 1592 msiexec.exe Token: SeIncreaseQuotaPrivilege 1592 msiexec.exe Token: SeMachineAccountPrivilege 1592 msiexec.exe Token: SeTcbPrivilege 1592 msiexec.exe Token: SeSecurityPrivilege 1592 msiexec.exe Token: SeTakeOwnershipPrivilege 1592 msiexec.exe Token: SeLoadDriverPrivilege 1592 msiexec.exe Token: SeSystemProfilePrivilege 1592 msiexec.exe Token: SeSystemtimePrivilege 1592 msiexec.exe Token: SeProfSingleProcessPrivilege 1592 msiexec.exe Token: SeIncBasePriorityPrivilege 1592 msiexec.exe Token: SeCreatePagefilePrivilege 1592 msiexec.exe Token: SeCreatePermanentPrivilege 1592 msiexec.exe Token: SeBackupPrivilege 1592 msiexec.exe Token: SeRestorePrivilege 1592 msiexec.exe Token: SeShutdownPrivilege 1592 msiexec.exe Token: SeDebugPrivilege 1592 msiexec.exe Token: SeAuditPrivilege 1592 msiexec.exe Token: SeSystemEnvironmentPrivilege 1592 msiexec.exe Token: SeChangeNotifyPrivilege 1592 msiexec.exe Token: SeRemoteShutdownPrivilege 1592 msiexec.exe Token: SeUndockPrivilege 1592 msiexec.exe Token: SeSyncAgentPrivilege 1592 msiexec.exe Token: SeEnableDelegationPrivilege 1592 msiexec.exe Token: SeManageVolumePrivilege 1592 msiexec.exe Token: SeImpersonatePrivilege 1592 msiexec.exe Token: SeCreateGlobalPrivilege 1592 msiexec.exe Token: SeBackupPrivilege 3520 vssvc.exe Token: SeRestorePrivilege 3520 vssvc.exe Token: SeAuditPrivilege 3520 vssvc.exe Token: SeBackupPrivilege 2748 msiexec.exe Token: SeRestorePrivilege 2748 msiexec.exe Token: SeRestorePrivilege 2748 msiexec.exe Token: SeTakeOwnershipPrivilege 2748 msiexec.exe Token: SeRestorePrivilege 2748 msiexec.exe Token: SeTakeOwnershipPrivilege 2748 msiexec.exe Token: SeRestorePrivilege 2748 msiexec.exe Token: SeTakeOwnershipPrivilege 2748 msiexec.exe Token: SeRestorePrivilege 2748 msiexec.exe Token: SeTakeOwnershipPrivilege 2748 msiexec.exe Token: SeBackupPrivilege 4592 srtasks.exe Token: SeRestorePrivilege 4592 srtasks.exe Token: SeSecurityPrivilege 4592 srtasks.exe Token: SeTakeOwnershipPrivilege 4592 srtasks.exe Token: SeBackupPrivilege 4592 srtasks.exe Token: SeRestorePrivilege 4592 srtasks.exe Token: SeSecurityPrivilege 4592 srtasks.exe Token: SeTakeOwnershipPrivilege 4592 srtasks.exe Token: SeRestorePrivilege 2748 msiexec.exe Token: SeTakeOwnershipPrivilege 2748 msiexec.exe Token: SeRestorePrivilege 2748 msiexec.exe Token: SeTakeOwnershipPrivilege 2748 msiexec.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 1592 msiexec.exe 1592 msiexec.exe -
Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 2748 wrote to memory of 4592 2748 msiexec.exe 103 PID 2748 wrote to memory of 4592 2748 msiexec.exe 103 PID 2748 wrote to memory of 1972 2748 msiexec.exe 105 PID 2748 wrote to memory of 1972 2748 msiexec.exe 105 PID 2748 wrote to memory of 1972 2748 msiexec.exe 105 -
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\e4780a285befbc2419d74e2c3bcecffd0e128a8e1f8db367de072b37d59e942b_JC.msi1⤵
- Enumerates connected drives
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:1592
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C:\Windows\system32\msiexec.exeC:\Windows\system32\msiexec.exe /V1⤵
- Drops startup file
- Enumerates connected drives
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2748 -
C:\Windows\system32\srtasks.exeC:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:22⤵
- Suspicious use of AdjustPrivilegeToken
PID:4592
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C:\Windows\syswow64\MsiExec.exeC:\Windows\syswow64\MsiExec.exe -Embedding 621ECF16696C248E9D52A1FC2404ED0D2⤵
- Loads dropped DLL
- Blocklisted process makes network request
PID:1972
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Checks SCSI registry key(s)
- Suspicious use of AdjustPrivilegeToken
PID:3520
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD5affab7d07b869059fbd0bb0debbf1f08
SHA11fa372da7a5a6ec77569520213854481c63fbde0
SHA256943e327719b76cc239390f3980c5116835da37780face092d70adcfc94bafa77
SHA512eb3fb3af7993a81586312902e077c8bbf62ea42eb370c775a745fdc1a80dbacbe2cae3e24d7e33ce8194480a4a096c15f46c6e5423594aa1beec277008e230c1
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Filesize
91KB
MD55c5bef05b6f3806106f8f3ce13401cc1
SHA16005fbe17f6e917ac45317552409d7a60976db14
SHA256f2f3ae8ca06f5cf320ca1d234a623bf55cf2b84c1d6dea3d85d5392e29aaf437
SHA51297933227b6002127385ace025f85a26358e47ee79c883f03180d474c15dbaf28a88492c8e53aefc0d305872edd27db0b4468da13e6f0337988f58d2ee35fd797
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Filesize
91KB
MD55c5bef05b6f3806106f8f3ce13401cc1
SHA16005fbe17f6e917ac45317552409d7a60976db14
SHA256f2f3ae8ca06f5cf320ca1d234a623bf55cf2b84c1d6dea3d85d5392e29aaf437
SHA51297933227b6002127385ace025f85a26358e47ee79c883f03180d474c15dbaf28a88492c8e53aefc0d305872edd27db0b4468da13e6f0337988f58d2ee35fd797
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Filesize
91KB
MD55c5bef05b6f3806106f8f3ce13401cc1
SHA16005fbe17f6e917ac45317552409d7a60976db14
SHA256f2f3ae8ca06f5cf320ca1d234a623bf55cf2b84c1d6dea3d85d5392e29aaf437
SHA51297933227b6002127385ace025f85a26358e47ee79c883f03180d474c15dbaf28a88492c8e53aefc0d305872edd27db0b4468da13e6f0337988f58d2ee35fd797
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Filesize
91KB
MD55c5bef05b6f3806106f8f3ce13401cc1
SHA16005fbe17f6e917ac45317552409d7a60976db14
SHA256f2f3ae8ca06f5cf320ca1d234a623bf55cf2b84c1d6dea3d85d5392e29aaf437
SHA51297933227b6002127385ace025f85a26358e47ee79c883f03180d474c15dbaf28a88492c8e53aefc0d305872edd27db0b4468da13e6f0337988f58d2ee35fd797
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Filesize
23.0MB
MD5c1756ec988416052b1cc38c58fdeefb8
SHA118011cf314de9a5c431ae2a6e2dc709d971ef8c8
SHA256c5e8737223e0fab4f25ca92a64c6622e6363e20297576fd67a3557bb19ae9157
SHA5125629afee10c425bf79c2155203380995159aac0a377bfc16978fc05d6e4e7bdacffa8799db95da2c2de9b30bc688ba89bb29c44bb532195111a7dbd697d4e262
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\??\Volume{99926f1d-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{43010e06-cf36-4ab5-97e8-855231c1781f}_OnDiskSnapshotProp
Filesize5KB
MD5123db48ca560d8b417dee3e14f1065de
SHA1cedacef07c85a800acda1463e1309a573a44d1d1
SHA2561e196891122656bf1f50a79b277b7d332ac88b95fbbff8cb8c22a87f4705be0f
SHA5121eda00c4bf66beb7a7a5e5dfe23e7fb6d5b444fb71b00845f89b57f51e5642023a6864249583614694bc02024e5d50ab71862847f279829fa48d5009871d9938