Analysis
- max time kernel
150s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
04/08/2026, 03:38
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
install_b6j010.msi
Resource
win10v2004-20260513-en
windows10-2004-x64
24 signatures
150 seconds
Behavioral task
behavioral2
Sample
install_b6j010.msi
Resource
win11ltsc2024-20260709-en
windows11-ltsc_2024-x64
24 signatures
150 seconds
General
- Target install_b6j010.msi
- Size 5.4MB
- Sample260804-d66j5scd86
- SHA256 8ed26dbeb6f8e76dd6718076d217c4fa4347542ed0d08b0b9380aefc415f3c32
- MD5 0aa9ea42f6e5b63ec1f769eeb1fcd67d
- SHA1 d5af2d3e64d876a5cc2abf04aa918d194eaf8936
- SHA512 a9ce046d1d5b3d2a41753c457f50c36de39176b7549077fa49a83ac05be9c520f0b698e4a73c93e92441c5b41a7ee85fea7ce09ca177bc429d5af45e81759e29
- SSDEEP 98304:PK06r4V6fscocNT2vxvxqgw182B95xEh7am+eAtYP/fH/PscibhuOjg9H2GIK:P4r4V6fhT2vu9182B9wTbAtsff4htjgV
- TLSH T1384633C979C93B35D45BC7B142027AAEF66D7FC49EA28C0237ED321C6E329599432718
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Windows security bypass 2 TTPs 8 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users = "0" reg.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths reg.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Program Files (x86) = "0" reg.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths reg.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Public\gJAB6k = "0" reg.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths reg.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\ProgramData = "0" reg.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths reg.exe - Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3053180483-1881419501-3594244048-1000\Control Panel\International\Geo\Nation oHYjyO.exe - Executes dropped EXE 1 IoCs
pid Process 5476 oHYjyO.exe - Loads dropped DLL 2 IoCs
pid Process 1260 MsiExec.exe 5476 oHYjyO.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Tencent SecurityHealth = "\"C:\\Users\\Public\\gJAB6k\\oHYjyO.exe\"" oHYjyO.exe - Badlisted process makes network request 7 IoCs
Network request originating from process or tool commonly abused by malware.
flow pid Process 14 1260 MsiExec.exe 30 1260 MsiExec.exe 34 1260 MsiExec.exe 44 1260 MsiExec.exe 47 1260 MsiExec.exe 51 1260 MsiExec.exe 58 1260 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) \??\R: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\E: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\M: 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) \??\S: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\Z: 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) \??\E: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\Q: msiexec.exe - Indicator Removal: Clear Persistence 1 TTPs 5 IoCs
Clear artifacts associated with previously established persistence like scheduletasks on a host.
pid Process 5748 cmd.exe 932 cmd.exe 2284 cmd.exe 2704 cmd.exe 4412 cmd.exe - Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B126FCE2445AEB4D678E59CB88147627_9759CCC75F54A99CEB69AE73B218D5C6 MsiExec.exe File opened for modification C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\01C6E817D6CDFECAEC27F2EB1524A7A6_905E6EE25CEC96FCC88A884EFC247049 MsiExec.exe File opened for modification C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\01C6E817D6CDFECAEC27F2EB1524A7A6_905E6EE25CEC96FCC88A884EFC247049 MsiExec.exe File opened for modification C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\1BA79029EC3FFD076F5DAC2F70A18685 MsiExec.exe File opened for modification C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\1BA79029EC3FFD076F5DAC2F70A18685 MsiExec.exe File created C:\Windows\System32\CodeIntegrity\SiPolicy.p7b oHYjyO.exe File opened for modification C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B126FCE2445AEB4D678E59CB88147627_9759CCC75F54A99CEB69AE73B218D5C6 MsiExec.exe - Drops file in Windows directory 9 IoCs
description ioc Process File created C:\Windows\Installer\e587a8a.msi msiexec.exe File created C:\Windows\Installer\SourceHash{B0831565-6686-6851-9C74-E6F739A50195} msiexec.exe File opened for modification C:\Windows\Installer\MSI7BE3.tmp msiexec.exe File created C:\Windows\Installer\e587a8c.msi msiexec.exe File opened for modification C:\Windows\Installer\e587a8a.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\ msiexec.exe File created C:\Windows\Installer\inprogressinstallinfo.ipi msiexec.exe File opened for modification C:\Windows\Installer\MSI7B65.tmp msiexec.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
pid Process 4376 msiexec.exe - Executes a command shell one-liner 1 TTPs 4 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
pid Process 2092 cmd.exe 4860 cmd.exe 4520 cmd.exe 1196 cmd.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 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 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ MsiExec.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" MsiExec.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" MsiExec.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" MsiExec.exe Key deleted \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E msiexec.exe Key deleted \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27 msiexec.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" MsiExec.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing MsiExec.exe Key created \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\28 msiexec.exe - Modifies registry class 22 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\5651380B68661586C9476E7F935A1059\SourceList\Net\1 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\" msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\5651380B68661586C9476E7F935A1059\SourceList\Media msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\5651380B68661586C9476E7F935A1059\SourceList\LastUsedSource = "n;1;C:\\Users\\Admin\\AppData\\Local\\Temp\\" msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Features\5651380B68661586C9476E7F935A1059 msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\5651380B68661586C9476E7F935A1059 msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\5651380B68661586C9476E7F935A1059\PackageCode = "E7DABB4892FBA344EA9D945E1D0884AF" msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\5651380B68661586C9476E7F935A1059\InstanceType = "0" msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\5651380B68661586C9476E7F935A1059\AuthorizedLUAApp = "0" msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\UpgradeCodes\DF0DC009059FB39AE56CA70DA425EB38 msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\5651380B68661586C9476E7F935A1059\SourceList\PackageName = "install_b6j010.msi" msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\5651380B68661586C9476E7F935A1059\SourceList\Net msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\5651380B68661586C9476E7F935A1059\Language = "1033" msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\5651380B68661586C9476E7F935A1059\Version = "84017285" msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\5651380B68661586C9476E7F935A1059\AdvertiseFlags = "388" msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\5651380B68661586C9476E7F935A1059\DeploymentFlags = "3" msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\UpgradeCodes\DF0DC009059FB39AE56CA70DA425EB38\5651380B68661586C9476E7F935A1059 msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\5651380B68661586C9476E7F935A1059\SourceList msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\5651380B68661586C9476E7F935A1059\SourceList\Media\1 = ";" msiexec.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\5651380B68661586C9476E7F935A1059\Clients = 3a0000000000 msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Features\5651380B68661586C9476E7F935A1059\UuueatYAD msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\5651380B68661586C9476E7F935A1059\ProductName = "UNITAT Licensing Dll" msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\5651380B68661586C9476E7F935A1059\Assignment = "1" msiexec.exe - Scheduled Task/Job: Scheduled Task 1 TTPs 5 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2516 schtasks.exe 5632 schtasks.exe 5372 schtasks.exe 5840 schtasks.exe 2468 schtasks.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 5864 msiexec.exe 5864 msiexec.exe 1260 MsiExec.exe 1260 MsiExec.exe 1260 MsiExec.exe 1260 MsiExec.exe 1260 MsiExec.exe 1260 MsiExec.exe 1260 MsiExec.exe 1260 MsiExec.exe 1260 MsiExec.exe 1260 MsiExec.exe 1260 MsiExec.exe 1260 MsiExec.exe 1260 MsiExec.exe 1260 MsiExec.exe 1260 MsiExec.exe 1260 MsiExec.exe 1260 MsiExec.exe 1260 MsiExec.exe 1260 MsiExec.exe 1260 MsiExec.exe 1260 MsiExec.exe 1260 MsiExec.exe 1260 MsiExec.exe 1260 MsiExec.exe 1260 MsiExec.exe 1260 MsiExec.exe 1260 MsiExec.exe 1260 MsiExec.exe 1260 MsiExec.exe 1260 MsiExec.exe 1260 MsiExec.exe 1260 MsiExec.exe 1260 MsiExec.exe 1260 MsiExec.exe 1260 MsiExec.exe 1260 MsiExec.exe 5476 oHYjyO.exe 5476 oHYjyO.exe 5476 oHYjyO.exe 5476 oHYjyO.exe 5476 oHYjyO.exe 5476 oHYjyO.exe 5476 oHYjyO.exe 5476 oHYjyO.exe 5476 oHYjyO.exe 5476 oHYjyO.exe 5476 oHYjyO.exe 5476 oHYjyO.exe 5476 oHYjyO.exe 5476 oHYjyO.exe 5476 oHYjyO.exe 5476 oHYjyO.exe 5476 oHYjyO.exe 5476 oHYjyO.exe 5476 oHYjyO.exe 5476 oHYjyO.exe 5476 oHYjyO.exe 5476 oHYjyO.exe 5476 oHYjyO.exe 5476 oHYjyO.exe 5476 oHYjyO.exe 5476 oHYjyO.exe - Suspicious behavior: LoadsDriver 3 IoCs
pid Process 660 Process not Found 660 Process not Found 660 Process not Found - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeShutdownPrivilege 4376 msiexec.exe Token: SeIncreaseQuotaPrivilege 4376 msiexec.exe Token: SeSecurityPrivilege 5864 msiexec.exe Token: SeCreateTokenPrivilege 4376 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 4376 msiexec.exe Token: SeLockMemoryPrivilege 4376 msiexec.exe Token: SeIncreaseQuotaPrivilege 4376 msiexec.exe Token: SeMachineAccountPrivilege 4376 msiexec.exe Token: SeTcbPrivilege 4376 msiexec.exe Token: SeSecurityPrivilege 4376 msiexec.exe Token: SeTakeOwnershipPrivilege 4376 msiexec.exe Token: SeLoadDriverPrivilege 4376 msiexec.exe Token: SeSystemProfilePrivilege 4376 msiexec.exe Token: SeSystemtimePrivilege 4376 msiexec.exe Token: SeProfSingleProcessPrivilege 4376 msiexec.exe Token: SeIncBasePriorityPrivilege 4376 msiexec.exe Token: SeCreatePagefilePrivilege 4376 msiexec.exe Token: SeCreatePermanentPrivilege 4376 msiexec.exe Token: SeBackupPrivilege 4376 msiexec.exe Token: SeRestorePrivilege 4376 msiexec.exe Token: SeShutdownPrivilege 4376 msiexec.exe Token: SeDebugPrivilege 4376 msiexec.exe Token: SeAuditPrivilege 4376 msiexec.exe Token: SeSystemEnvironmentPrivilege 4376 msiexec.exe Token: SeChangeNotifyPrivilege 4376 msiexec.exe Token: SeRemoteShutdownPrivilege 4376 msiexec.exe Token: SeUndockPrivilege 4376 msiexec.exe Token: SeSyncAgentPrivilege 4376 msiexec.exe Token: SeEnableDelegationPrivilege 4376 msiexec.exe Token: SeManageVolumePrivilege 4376 msiexec.exe Token: SeImpersonatePrivilege 4376 msiexec.exe Token: SeCreateGlobalPrivilege 4376 msiexec.exe Token: SeBackupPrivilege 3048 vssvc.exe Token: SeRestorePrivilege 3048 vssvc.exe Token: SeAuditPrivilege 3048 vssvc.exe Token: SeBackupPrivilege 5864 msiexec.exe Token: SeRestorePrivilege 5864 msiexec.exe Token: SeRestorePrivilege 5864 msiexec.exe Token: SeTakeOwnershipPrivilege 5864 msiexec.exe Token: SeRestorePrivilege 5864 msiexec.exe Token: SeTakeOwnershipPrivilege 5864 msiexec.exe Token: SeRestorePrivilege 5864 msiexec.exe Token: SeTakeOwnershipPrivilege 5864 msiexec.exe Token: SeBackupPrivilege 1284 srtasks.exe Token: SeRestorePrivilege 1284 srtasks.exe Token: SeSecurityPrivilege 1284 srtasks.exe Token: SeTakeOwnershipPrivilege 1284 srtasks.exe Token: SeBackupPrivilege 1284 srtasks.exe Token: SeRestorePrivilege 1284 srtasks.exe Token: SeSecurityPrivilege 1284 srtasks.exe Token: SeTakeOwnershipPrivilege 1284 srtasks.exe Token: SeRestorePrivilege 5864 msiexec.exe Token: SeTakeOwnershipPrivilege 5864 msiexec.exe Token: SeRestorePrivilege 5864 msiexec.exe Token: SeTakeOwnershipPrivilege 5864 msiexec.exe Token: SeRestorePrivilege 5864 msiexec.exe Token: SeTakeOwnershipPrivilege 5864 msiexec.exe Token: SeRestorePrivilege 5864 msiexec.exe Token: SeTakeOwnershipPrivilege 5864 msiexec.exe Token: SeRestorePrivilege 5864 msiexec.exe Token: SeTakeOwnershipPrivilege 5864 msiexec.exe Token: SeRestorePrivilege 5864 msiexec.exe Token: SeTakeOwnershipPrivilege 5864 msiexec.exe Token: SeRestorePrivilege 5864 msiexec.exe - Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 4376 msiexec.exe 4376 msiexec.exe - Suspicious use of WriteProcessMemory 24 IoCs
description pid Process procid_target PID 5864 wrote to memory of 1284 5864 msiexec.exe 94 PID 5864 wrote to memory of 1260 5864 msiexec.exe 97 PID 5476 wrote to memory of 5748 5476 oHYjyO.exe 114 PID 5748 wrote to memory of 2516 5748 cmd.exe 117 PID 5748 wrote to memory of 4344 5748 cmd.exe 118 PID 5748 wrote to memory of 4708 5748 cmd.exe 122 PID 2092 wrote to memory of 2668 2092 cmd.exe 123 PID 5476 wrote to memory of 932 5476 oHYjyO.exe 124 PID 932 wrote to memory of 5632 932 cmd.exe 127 PID 932 wrote to memory of 3476 932 cmd.exe 128 PID 932 wrote to memory of 832 932 cmd.exe 131 PID 4860 wrote to memory of 5560 4860 cmd.exe 132 PID 5476 wrote to memory of 2284 5476 oHYjyO.exe 133 PID 2284 wrote to memory of 5372 2284 cmd.exe 135 PID 2284 wrote to memory of 3216 2284 cmd.exe 136 PID 2284 wrote to memory of 2116 2284 cmd.exe 139 PID 4520 wrote to memory of 1156 4520 cmd.exe 140 PID 5476 wrote to memory of 2704 5476 oHYjyO.exe 141 PID 2704 wrote to memory of 5840 2704 cmd.exe 143 PID 2704 wrote to memory of 1988 2704 cmd.exe 144 PID 1196 wrote to memory of 744 1196 cmd.exe 147 PID 2704 wrote to memory of 2692 2704 cmd.exe 148 PID 5476 wrote to memory of 4412 5476 oHYjyO.exe 149 PID 4412 wrote to memory of 2468 4412 cmd.exe 151 - 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.
- 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\install_b6j010.msi1⤵
- Enumerates connected drives
- Event Triggered Execution: Installer Packages
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:4376
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C:\Windows\system32\msiexec.exeC:\Windows\system32\msiexec.exe /V1⤵
- Enumerates connected drives
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5864 -
C:\Windows\system32\srtasks.exeC:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:22⤵
- Suspicious use of AdjustPrivilegeToken
PID:1284
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C:\Windows\System32\MsiExec.exeC:\Windows\System32\MsiExec.exe -Embedding 86D4593A8CFE5651E634AF5B2BEE3E4C E Global\MSI00002⤵
- Loads dropped DLL
- Badlisted process makes network request
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
PID:1260
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Checks SCSI registry key(s)
- Suspicious use of AdjustPrivilegeToken
PID:3048
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C:\Users\Public\gJAB6k\oHYjyO.exeC:\Users\Public\gJAB6k\oHYjyO.exe1⤵
- Checks computer location settings
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:5476 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" cmd.exe /c SCHTASKS /Create /F /TN "Task1" /SC ONCE /ST 00:00 /RL HIGHEST /RU "SYSTEM" /TR "cmd.exe /c reg add \"HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\" /v \"C:\Users\Public\gJAB6k\" /t REG_DWORD /d 0 /f" & SCHTASKS /Run /TN "Task1" & SCHTASKS /Delete /TN "Task1" /F2⤵
- Indicator Removal: Clear Persistence
- Suspicious use of WriteProcessMemory
PID:5748 -
C:\Windows\system32\schtasks.exeSCHTASKS /Create /F /TN "Task1" /SC ONCE /ST 00:00 /RL HIGHEST /RU "SYSTEM" /TR "cmd.exe /c reg add \"HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\" /v \"C:\Users\Public\gJAB6k\" /t REG_DWORD /d 0 /f"3⤵
- Scheduled Task/Job: Scheduled Task
PID:2516
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C:\Windows\system32\schtasks.exeSCHTASKS /Run /TN "Task1"3⤵PID:4344
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C:\Windows\system32\schtasks.exeSCHTASKS /Delete /TN "Task1" /F3⤵PID:4708
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" cmd.exe /c SCHTASKS /Create /F /TN "Task1" /SC ONCE /ST 00:00 /RL HIGHEST /RU "SYSTEM" /TR "cmd.exe /c reg add \"HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\" /v \"C:\ProgramData\" /t REG_DWORD /d 0 /f" & SCHTASKS /Run /TN "Task1" & SCHTASKS /Delete /TN "Task1" /F2⤵
- Indicator Removal: Clear Persistence
- Suspicious use of WriteProcessMemory
PID:932 -
C:\Windows\system32\schtasks.exeSCHTASKS /Create /F /TN "Task1" /SC ONCE /ST 00:00 /RL HIGHEST /RU "SYSTEM" /TR "cmd.exe /c reg add \"HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\" /v \"C:\ProgramData\" /t REG_DWORD /d 0 /f"3⤵
- Scheduled Task/Job: Scheduled Task
PID:5632
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C:\Windows\system32\schtasks.exeSCHTASKS /Run /TN "Task1"3⤵PID:3476
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C:\Windows\system32\schtasks.exeSCHTASKS /Delete /TN "Task1" /F3⤵PID:832
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" cmd.exe /c SCHTASKS /Create /F /TN "Task1" /SC ONCE /ST 00:00 /RL HIGHEST /RU "SYSTEM" /TR "cmd.exe /c reg add \"HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\" /v \"C:\Users\" /t REG_DWORD /d 0 /f" & SCHTASKS /Run /TN "Task1" & SCHTASKS /Delete /TN "Task1" /F2⤵
- Indicator Removal: Clear Persistence
- Suspicious use of WriteProcessMemory
PID:2284 -
C:\Windows\system32\schtasks.exeSCHTASKS /Create /F /TN "Task1" /SC ONCE /ST 00:00 /RL HIGHEST /RU "SYSTEM" /TR "cmd.exe /c reg add \"HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\" /v \"C:\Users\" /t REG_DWORD /d 0 /f"3⤵
- Scheduled Task/Job: Scheduled Task
PID:5372
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C:\Windows\system32\schtasks.exeSCHTASKS /Run /TN "Task1"3⤵PID:3216
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C:\Windows\system32\schtasks.exeSCHTASKS /Delete /TN "Task1" /F3⤵PID:2116
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" cmd.exe /c SCHTASKS /Create /F /TN "Task1" /SC ONCE /ST 00:00 /RL HIGHEST /RU "SYSTEM" /TR "cmd.exe /c reg add \"HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\" /v \"C:\Program Files (x86)\" /t REG_DWORD /d 0 /f" & SCHTASKS /Run /TN "Task1" & SCHTASKS /Delete /TN "Task1" /F2⤵
- Indicator Removal: Clear Persistence
- Suspicious use of WriteProcessMemory
PID:2704 -
C:\Windows\system32\schtasks.exeSCHTASKS /Create /F /TN "Task1" /SC ONCE /ST 00:00 /RL HIGHEST /RU "SYSTEM" /TR "cmd.exe /c reg add \"HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\" /v \"C:\Program Files (x86)\" /t REG_DWORD /d 0 /f"3⤵
- Scheduled Task/Job: Scheduled Task
PID:5840
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C:\Windows\system32\schtasks.exeSCHTASKS /Run /TN "Task1"3⤵PID:1988
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C:\Windows\system32\schtasks.exeSCHTASKS /Delete /TN "Task1" /F3⤵PID:2692
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" cmd.exe /c SCHTASKS /Create /F /TN "Task1" /SC ONCE /ST 00:00 /RL HIGHEST /RU "SYSTEM" /TR "cmd.exe /c reg add \"HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\" /v \"%USERPROFILE%\Documents\" /t REG_DWORD /d 0 /f" & SCHTASKS /Run /TN "Task1" & SCHTASKS /Delete /TN "Task1" /F2⤵
- Indicator Removal: Clear Persistence
- Suspicious use of WriteProcessMemory
PID:4412 -
C:\Windows\system32\schtasks.exeSCHTASKS /Create /F /TN "Task1" /SC ONCE /ST 00:00 /RL HIGHEST /RU "SYSTEM" /TR "cmd.exe /c reg add \"HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\" /v \"C:\Users\Admin\Documents\" /t REG_DWORD /d 0 /f"3⤵
- Scheduled Task/Job: Scheduled Task
PID:2468
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C:\Windows\system32\cmd.execmd.exe /c reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Public\gJAB6k" /t REG_DWORD /d 0 /f1⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:2092 -
C:\Windows\system32\reg.exereg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Public\gJAB6k" /t REG_DWORD /d 0 /f2⤵
- Windows security bypass
PID:2668
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C:\Windows\system32\cmd.execmd.exe1⤵PID:4884
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C:\Windows\system32\cmd.execmd.exe /c reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\ProgramData" /t REG_DWORD /d 0 /f1⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:4860 -
C:\Windows\system32\reg.exereg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\ProgramData" /t REG_DWORD /d 0 /f2⤵
- Windows security bypass
PID:5560
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C:\Windows\system32\cmd.execmd.exe /c reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users" /t REG_DWORD /d 0 /f1⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:4520 -
C:\Windows\system32\reg.exereg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users" /t REG_DWORD /d 0 /f2⤵
- Windows security bypass
PID:1156
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C:\Windows\system32\cmd.execmd.exe /c reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Program Files (x86)" /t REG_DWORD /d 0 /f1⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:1196 -
C:\Windows\system32\reg.exereg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Program Files (x86)" /t REG_DWORD /d 0 /f2⤵
- Windows security bypass
PID:744
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Network
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
1Windows Command Shell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
1Installer Packages
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
1Installer Packages
1Scheduled Task/Job
1Scheduled Task
1Defense Evasion
Impair Defenses
1Disable or Modify Tools
1Indicator Removal
1Clear Persistence
1Modify Registry
2System Binary Proxy Execution
1Msiexec
1Replay Monitor
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Downloads
- Path C:\Config.Msi\e587a8b.rbs
- Size 7KB
- SHA256 bf205e7ccbb5a0057e073bc400b10cbd6f4ce5934e704c1a10fdd1ed134b232d
- MD5 5d68871d9fd5323d42581b670f698102
- SHA1 632089cb9f07afaaee41ea8e10b4f1de13aa80dc
- SHA512 f19353206cc47a3ea04c174d39f32556ddd81f4d60d2677ae30ffd1ce6dd0d9ef86d64b61e7d669ae67be59e3c05ccdf9853e68d58d0e2aa62b59a64aefcd514
- SSDEEP 96:5/cyuuTseCP1PaUUT61CsThq5UT61C6joXPxtThqxHIS5ivW1EVACKpljWu48jBH:5/aetz+IIX+IbMkZKpt
- TLSH T1C8F1FC42AB0096F3EF971B75CB13176637B2E3D89220174F099D88605F5638C6E9A29F
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Public\gJAB6k\UxEnhance64.dll
- Size 3.1MB
- SHA256 e5cfbfb3ad902a5914234b07214851b7474782ed4f5ebaa7a34903aeafdb0036
- MD5 a9e4cc576afc133bcd64920c28b832eb
- SHA1 47eb628bdd366a684ad50e11964f28a97cf50b8a
- SHA512 81b48e154d49c87fbb741baa65121766d8e069d1cc04665e7e57cbb6f448d026c3caedc4f76ed77306f757c55e14154a6db6a78f6634e38e2821755b451420ba
- SSDEEP 49152:P9KpI8cBa0kj6BK0x3TiMQclkGo2PXk6rkwuuWG/+WizBedfb77N3SnKrKB+2:P9m29xx3Tiqt06ox6+z2rNNrKo2
- TLSH T10FE523E5B6D739F6D023CBF4DA62A1AD70393F505F635C5F3B8929014E62228973A390
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Public\gJAB6k\adoresd.dat
- Size 4.7MB
- SHA256 a34e6d051c4ab36c9b07947558e4cdc0f96a73b56942c1e0b9beaf6128e3cfbe
- MD5 27db00fb4f964fd29362a5a54324f380
- SHA1 25a242fe2575f8ea753f29553c9007bf3fb56c38
- SHA512 2b0536b97b6dd8f82fd03bada277af91596ea5958752f8a0e5076d3f49ae4747374fca09767a0e06d0a2a9fd30cd19ea2878b20f3effe79615cf8bccffc1ce3c
- SSDEEP 98304:Fmu1SwODpRGIRdXEMZYe6rFLoTTpMk6ZGvQv0Ss2i+XZXea1v5WZd8uCp:wu1SwOflfZPF6Ma0bsoa5+qd
- TLSH T1ED3633368AE6F5C7E35B2A0AF36888DD12B0B7AD6E9D75C24AF070145DB30CE9015BC4
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Public\gJAB6k\msadox.tb
- Size 8KB
- SHA256 b68ad358ce618b217019ccf669f07ca3bb84289c1e17a7ac16c085e14ed876ec
- MD5 593824f16cd6cbcadbf29e8f6e77fc6a
- SHA1 24ea5e4f8fcddeec7873816e2c2dd9ac928007a7
- SHA512 f7d318f1b2b2bff1fe79cbdb414577a35098371b58ab753271bfbe1b5ecaf7b2ff1ecdf54e974ed6071ee59907b12d14cb778871910d867f4470dd7d6b9e22f7
- SSDEEP 192:eqbZajnZ45X1q3JXglD+3vR8cwNhIMCGe2y0PQp:esZqZOXQ3uqvR2Kfzp
- TLSH T1D3029E05D7A20DC3D2016C71CD9EB2F5AB13A1DADA3926719C67D4C167072ED2CE620D
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Public\gJAB6k\oHYjyO.exe
- Size 135KB
- SHA256 676a2a7b94ca2f8ec76352ee656e4d075bb342bd7ad6efbc7c19c060001eace7
- MD5 9ec587911e501b73b7cf09f05d0ae17d
- SHA1 5b62403cc9a668c6e5c70ace177fd54fcc4c5936
- SHA512 d05468a472373815c46ccb46ec743408365d24982d10d8a23ee0036c28cf3dacd05d74304ef2d4b7118f91ff3f631f676b2e86ddee92a02cf988b0d3c6247847
- SSDEEP 3072:MmhXb5pgtiaRENEErO9Uj4OqhhUvB4BNgQaJ:MmjgtiayGErsUKh3To
- TLSH T1D0D38C2776A474F9E1778635C8511A1AE772B8760770CB9F03A442A62F237D19E3EF20
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Windows\Installer\MSI7BE3.tmp
- Size 5.3MB
- SHA256 1a4f8a2bf676e661da58a8a93557915da3342d585fccee8e6156822a09f2e95f
- MD5 895948116b09769416d78e094281467b
- SHA1 867f4a190d56c8085f53f721ce353dfdad271e43
- SHA512 eb096b50853bab140051ce5e00c76038565c4e4734b2adfb81eb43d62918298a9420dbe4b1191e5a7c5d33eaec8707b3531e533dfd79a24057bba5dc3601f24e
- SSDEEP 98304:fK06r4V6fscocNT2vxvxqgw182B95xEh7am+eAtYP/fHLPscibhuOjg9H2GIb:f4r4V6fhT2vu9182B9wTbAtsfr4htjg2
- TLSH T1314633C969CD3B34E45BC7B142027AAEF5AD77C49DB68C0637ED321C6E3294A9432709
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Windows\Installer\e587a8a.msi
- Size 5.4MB
- SHA256 8ed26dbeb6f8e76dd6718076d217c4fa4347542ed0d08b0b9380aefc415f3c32
- MD5 0aa9ea42f6e5b63ec1f769eeb1fcd67d
- SHA1 d5af2d3e64d876a5cc2abf04aa918d194eaf8936
- SHA512 a9ce046d1d5b3d2a41753c457f50c36de39176b7549077fa49a83ac05be9c520f0b698e4a73c93e92441c5b41a7ee85fea7ce09ca177bc429d5af45e81759e29
- SSDEEP 98304:PK06r4V6fscocNT2vxvxqgw182B95xEh7am+eAtYP/fH/PscibhuOjg9H2GIK:P4r4V6fhT2vu9182B9wTbAtsff4htjgV
- TLSH T1384633C979C93B35D45BC7B142027AAEF66D7FC49EA28C0237ED321C6E329599432718
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
- Size 24.1MB
- SHA256 57ceaebe80fd737079908a468cfb3ca87c9cf973adb8db4c0563ab8f5d3aa45f
- MD5 bd8388bb94c65306ed7a65522c71b079
- SHA1 de641a1931830d7b63b132c954d999717daaad6f
- SHA512 13467fed4f4023d90c20f736c19b64fc7801b835b94b11180a9233eec8c4305fd7cb62020c2bfdd18244c1fd99160d962ea6c835d90dfe3bd21df55cc0313a85
- SSDEEP 24576:ou8m+1z2doO/vvTL7WNeImKZc00jV1dShLmtPC8Vl0aMOqkAIv1UF7GRo:Z
- TLSH T1DF47C42437FD2210E7F79E3C68F06A27893A7D5B9C159E8D05411F8E0961BB0E872F5A
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path \??\Volume{12d9ef41-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{6541208d-7854-4cae-978c-0f5a6d1d33df}_OnDiskSnapshotProp
- Size 6KB
- SHA256 3f051c974337c9e299255e4532b57874554f340a7c26e44262bf52bf6c1da74c
- MD5 febd4e22e353c4577871d94e282aaefa
- SHA1 35cd1ba0fcd7022abeea2e2d011653ce30136769
- SHA512 6b05a9564d4010856bae9f5303ae81c20091c04722e5b3f0617382605f5fa5705926a6ec558d91f07c85907865e6d27777f24e62644311a8f78e94f07e843221
- SSDEEP 96:F2bnn2vc8DD84LTHzbOHXOHBlBRQ88Sc9XE56tOSVQpuN:obMb++ZVmN
- TLSH T11ED199085AF54311E2B3AB7129F18557A477B911EF33CB8E0298638E2670A10F935F6F
- MD5 SHA1 SHA512 SSDEEP TLSH