Analysis
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max time kernel
181s -
max time network
205s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220113 -
submitted
01/02/2022, 15:49
Static task
static1
Behavioral task
behavioral1
Sample
21c644438a00fb75fabb577076933a99119e9f07e71eaab3f7dc6c629860c4c0.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
21c644438a00fb75fabb577076933a99119e9f07e71eaab3f7dc6c629860c4c0.exe
Resource
win10v2004-en-20220113
General
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Target
21c644438a00fb75fabb577076933a99119e9f07e71eaab3f7dc6c629860c4c0.exe
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Size
2.6MB
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MD5
45e04dc2ceaa6517bc4c2067677260fc
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SHA1
0a2198da09d38eaee5cbebbd8fe286c00d0e6f96
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SHA256
21c644438a00fb75fabb577076933a99119e9f07e71eaab3f7dc6c629860c4c0
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SHA512
dee02a6313329b1957c791f72255afbadb15ffedd5993819e126cd9ffdd5838309898918ccb5dcbbd95c37cfd5ab251af20e80062864dfa0a4c40be31aca7f0b
Malware Config
Extracted
C:\HOW_TO_RECOVER_DATA.html
http-equiv="X-UA-Compatible"
http://meyerweb.com/eric/tools/css/reset/
Signatures
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MedusaLocker
Ransomware with several variants first seen in September 2019.
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MedusaLocker Payload 2 IoCs
resource yara_rule behavioral2/files/0x000400000001e8c9-133.dat family_medusalocker behavioral2/files/0x000400000001e8c9-134.dat family_medusalocker -
Executes dropped EXE 1 IoCs
pid Process 2152 svchostt.exe -
Sets service image path in registry 2 TTPs
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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 21c644438a00fb75fabb577076933a99119e9f07e71eaab3f7dc6c629860c4c0.exe -
Drops desktop.ini file(s) 1 IoCs
description ioc Process File opened for modification \??\Z:\$RECYCLE.BIN\S-1-5-21-1346565761-3498240568-4147300184-1000\desktop.ini 21c644438a00fb75fabb577076933a99119e9f07e71eaab3f7dc6c629860c4c0.exe -
Enumerates connected drives 3 TTPs 24 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\X: 21c644438a00fb75fabb577076933a99119e9f07e71eaab3f7dc6c629860c4c0.exe File opened (read-only) \??\G: 21c644438a00fb75fabb577076933a99119e9f07e71eaab3f7dc6c629860c4c0.exe File opened (read-only) \??\I: 21c644438a00fb75fabb577076933a99119e9f07e71eaab3f7dc6c629860c4c0.exe File opened (read-only) \??\R: 21c644438a00fb75fabb577076933a99119e9f07e71eaab3f7dc6c629860c4c0.exe File opened (read-only) \??\S: 21c644438a00fb75fabb577076933a99119e9f07e71eaab3f7dc6c629860c4c0.exe File opened (read-only) \??\V: 21c644438a00fb75fabb577076933a99119e9f07e71eaab3f7dc6c629860c4c0.exe File opened (read-only) \??\U: 21c644438a00fb75fabb577076933a99119e9f07e71eaab3f7dc6c629860c4c0.exe File opened (read-only) \??\Z: 21c644438a00fb75fabb577076933a99119e9f07e71eaab3f7dc6c629860c4c0.exe File opened (read-only) \??\A: 21c644438a00fb75fabb577076933a99119e9f07e71eaab3f7dc6c629860c4c0.exe File opened (read-only) \??\L: 21c644438a00fb75fabb577076933a99119e9f07e71eaab3f7dc6c629860c4c0.exe File opened (read-only) \??\N: 21c644438a00fb75fabb577076933a99119e9f07e71eaab3f7dc6c629860c4c0.exe File opened (read-only) \??\O: 21c644438a00fb75fabb577076933a99119e9f07e71eaab3f7dc6c629860c4c0.exe File opened (read-only) \??\P: 21c644438a00fb75fabb577076933a99119e9f07e71eaab3f7dc6c629860c4c0.exe File opened (read-only) \??\W: 21c644438a00fb75fabb577076933a99119e9f07e71eaab3f7dc6c629860c4c0.exe File opened (read-only) \??\B: 21c644438a00fb75fabb577076933a99119e9f07e71eaab3f7dc6c629860c4c0.exe File opened (read-only) \??\F: 21c644438a00fb75fabb577076933a99119e9f07e71eaab3f7dc6c629860c4c0.exe File opened (read-only) \??\H: 21c644438a00fb75fabb577076933a99119e9f07e71eaab3f7dc6c629860c4c0.exe File opened (read-only) \??\J: 21c644438a00fb75fabb577076933a99119e9f07e71eaab3f7dc6c629860c4c0.exe File opened (read-only) \??\K: 21c644438a00fb75fabb577076933a99119e9f07e71eaab3f7dc6c629860c4c0.exe File opened (read-only) \??\E: 21c644438a00fb75fabb577076933a99119e9f07e71eaab3f7dc6c629860c4c0.exe File opened (read-only) \??\M: 21c644438a00fb75fabb577076933a99119e9f07e71eaab3f7dc6c629860c4c0.exe File opened (read-only) \??\Q: 21c644438a00fb75fabb577076933a99119e9f07e71eaab3f7dc6c629860c4c0.exe File opened (read-only) \??\T: 21c644438a00fb75fabb577076933a99119e9f07e71eaab3f7dc6c629860c4c0.exe File opened (read-only) \??\Y: 21c644438a00fb75fabb577076933a99119e9f07e71eaab3f7dc6c629860c4c0.exe -
Drops file in Windows directory 6 IoCs
description ioc Process File opened for modification C:\Windows\WindowsUpdate.log svchost.exe File opened for modification C:\Windows\SoftwareDistribution\DataStore\Logs\edb.chk svchost.exe File opened for modification C:\Windows\SoftwareDistribution\DataStore\Logs\edb.log svchost.exe File opened for modification C:\Windows\SoftwareDistribution\DataStore\DataStore.edb svchost.exe File opened for modification C:\Windows\SoftwareDistribution\DataStore\DataStore.jfm svchost.exe File opened for modification C:\Windows\SoftwareDistribution\ReportingEvents.log svchost.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Modifies data under HKEY_USERS 41 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates WaaSMedicAgent.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4912 21c644438a00fb75fabb577076933a99119e9f07e71eaab3f7dc6c629860c4c0.exe 4912 21c644438a00fb75fabb577076933a99119e9f07e71eaab3f7dc6c629860c4c0.exe 4912 21c644438a00fb75fabb577076933a99119e9f07e71eaab3f7dc6c629860c4c0.exe 4912 21c644438a00fb75fabb577076933a99119e9f07e71eaab3f7dc6c629860c4c0.exe 4912 21c644438a00fb75fabb577076933a99119e9f07e71eaab3f7dc6c629860c4c0.exe 4912 21c644438a00fb75fabb577076933a99119e9f07e71eaab3f7dc6c629860c4c0.exe 4912 21c644438a00fb75fabb577076933a99119e9f07e71eaab3f7dc6c629860c4c0.exe 4912 21c644438a00fb75fabb577076933a99119e9f07e71eaab3f7dc6c629860c4c0.exe 4912 21c644438a00fb75fabb577076933a99119e9f07e71eaab3f7dc6c629860c4c0.exe 4912 21c644438a00fb75fabb577076933a99119e9f07e71eaab3f7dc6c629860c4c0.exe 4912 21c644438a00fb75fabb577076933a99119e9f07e71eaab3f7dc6c629860c4c0.exe 4912 21c644438a00fb75fabb577076933a99119e9f07e71eaab3f7dc6c629860c4c0.exe 4912 21c644438a00fb75fabb577076933a99119e9f07e71eaab3f7dc6c629860c4c0.exe 4912 21c644438a00fb75fabb577076933a99119e9f07e71eaab3f7dc6c629860c4c0.exe 4912 21c644438a00fb75fabb577076933a99119e9f07e71eaab3f7dc6c629860c4c0.exe 4912 21c644438a00fb75fabb577076933a99119e9f07e71eaab3f7dc6c629860c4c0.exe 4912 21c644438a00fb75fabb577076933a99119e9f07e71eaab3f7dc6c629860c4c0.exe 4912 21c644438a00fb75fabb577076933a99119e9f07e71eaab3f7dc6c629860c4c0.exe 4912 21c644438a00fb75fabb577076933a99119e9f07e71eaab3f7dc6c629860c4c0.exe 4912 21c644438a00fb75fabb577076933a99119e9f07e71eaab3f7dc6c629860c4c0.exe 4912 21c644438a00fb75fabb577076933a99119e9f07e71eaab3f7dc6c629860c4c0.exe 4912 21c644438a00fb75fabb577076933a99119e9f07e71eaab3f7dc6c629860c4c0.exe 4912 21c644438a00fb75fabb577076933a99119e9f07e71eaab3f7dc6c629860c4c0.exe 4912 21c644438a00fb75fabb577076933a99119e9f07e71eaab3f7dc6c629860c4c0.exe 4912 21c644438a00fb75fabb577076933a99119e9f07e71eaab3f7dc6c629860c4c0.exe 4912 21c644438a00fb75fabb577076933a99119e9f07e71eaab3f7dc6c629860c4c0.exe 4912 21c644438a00fb75fabb577076933a99119e9f07e71eaab3f7dc6c629860c4c0.exe 4912 21c644438a00fb75fabb577076933a99119e9f07e71eaab3f7dc6c629860c4c0.exe 4912 21c644438a00fb75fabb577076933a99119e9f07e71eaab3f7dc6c629860c4c0.exe 4912 21c644438a00fb75fabb577076933a99119e9f07e71eaab3f7dc6c629860c4c0.exe 4912 21c644438a00fb75fabb577076933a99119e9f07e71eaab3f7dc6c629860c4c0.exe 4912 21c644438a00fb75fabb577076933a99119e9f07e71eaab3f7dc6c629860c4c0.exe 4912 21c644438a00fb75fabb577076933a99119e9f07e71eaab3f7dc6c629860c4c0.exe 4912 21c644438a00fb75fabb577076933a99119e9f07e71eaab3f7dc6c629860c4c0.exe 4912 21c644438a00fb75fabb577076933a99119e9f07e71eaab3f7dc6c629860c4c0.exe 4912 21c644438a00fb75fabb577076933a99119e9f07e71eaab3f7dc6c629860c4c0.exe 4912 21c644438a00fb75fabb577076933a99119e9f07e71eaab3f7dc6c629860c4c0.exe 4912 21c644438a00fb75fabb577076933a99119e9f07e71eaab3f7dc6c629860c4c0.exe 4912 21c644438a00fb75fabb577076933a99119e9f07e71eaab3f7dc6c629860c4c0.exe 4912 21c644438a00fb75fabb577076933a99119e9f07e71eaab3f7dc6c629860c4c0.exe 4912 21c644438a00fb75fabb577076933a99119e9f07e71eaab3f7dc6c629860c4c0.exe 4912 21c644438a00fb75fabb577076933a99119e9f07e71eaab3f7dc6c629860c4c0.exe 4912 21c644438a00fb75fabb577076933a99119e9f07e71eaab3f7dc6c629860c4c0.exe 4912 21c644438a00fb75fabb577076933a99119e9f07e71eaab3f7dc6c629860c4c0.exe 4912 21c644438a00fb75fabb577076933a99119e9f07e71eaab3f7dc6c629860c4c0.exe 4912 21c644438a00fb75fabb577076933a99119e9f07e71eaab3f7dc6c629860c4c0.exe 4912 21c644438a00fb75fabb577076933a99119e9f07e71eaab3f7dc6c629860c4c0.exe 4912 21c644438a00fb75fabb577076933a99119e9f07e71eaab3f7dc6c629860c4c0.exe 4912 21c644438a00fb75fabb577076933a99119e9f07e71eaab3f7dc6c629860c4c0.exe 4912 21c644438a00fb75fabb577076933a99119e9f07e71eaab3f7dc6c629860c4c0.exe 4912 21c644438a00fb75fabb577076933a99119e9f07e71eaab3f7dc6c629860c4c0.exe 4912 21c644438a00fb75fabb577076933a99119e9f07e71eaab3f7dc6c629860c4c0.exe 4912 21c644438a00fb75fabb577076933a99119e9f07e71eaab3f7dc6c629860c4c0.exe 4912 21c644438a00fb75fabb577076933a99119e9f07e71eaab3f7dc6c629860c4c0.exe 4912 21c644438a00fb75fabb577076933a99119e9f07e71eaab3f7dc6c629860c4c0.exe 4912 21c644438a00fb75fabb577076933a99119e9f07e71eaab3f7dc6c629860c4c0.exe 4912 21c644438a00fb75fabb577076933a99119e9f07e71eaab3f7dc6c629860c4c0.exe 4912 21c644438a00fb75fabb577076933a99119e9f07e71eaab3f7dc6c629860c4c0.exe 4912 21c644438a00fb75fabb577076933a99119e9f07e71eaab3f7dc6c629860c4c0.exe 4912 21c644438a00fb75fabb577076933a99119e9f07e71eaab3f7dc6c629860c4c0.exe 4912 21c644438a00fb75fabb577076933a99119e9f07e71eaab3f7dc6c629860c4c0.exe 4912 21c644438a00fb75fabb577076933a99119e9f07e71eaab3f7dc6c629860c4c0.exe 4912 21c644438a00fb75fabb577076933a99119e9f07e71eaab3f7dc6c629860c4c0.exe 4912 21c644438a00fb75fabb577076933a99119e9f07e71eaab3f7dc6c629860c4c0.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 4212 wmic.exe Token: SeSecurityPrivilege 4212 wmic.exe Token: SeTakeOwnershipPrivilege 4212 wmic.exe Token: SeLoadDriverPrivilege 4212 wmic.exe Token: SeSystemProfilePrivilege 4212 wmic.exe Token: SeSystemtimePrivilege 4212 wmic.exe Token: SeProfSingleProcessPrivilege 4212 wmic.exe Token: SeIncBasePriorityPrivilege 4212 wmic.exe Token: SeCreatePagefilePrivilege 4212 wmic.exe Token: SeBackupPrivilege 4212 wmic.exe Token: SeRestorePrivilege 4212 wmic.exe Token: SeShutdownPrivilege 4212 wmic.exe Token: SeDebugPrivilege 4212 wmic.exe Token: SeSystemEnvironmentPrivilege 4212 wmic.exe Token: SeRemoteShutdownPrivilege 4212 wmic.exe Token: SeUndockPrivilege 4212 wmic.exe Token: SeManageVolumePrivilege 4212 wmic.exe Token: 33 4212 wmic.exe Token: 34 4212 wmic.exe Token: 35 4212 wmic.exe Token: 36 4212 wmic.exe Token: SeIncreaseQuotaPrivilege 3384 wmic.exe Token: SeSecurityPrivilege 3384 wmic.exe Token: SeTakeOwnershipPrivilege 3384 wmic.exe Token: SeLoadDriverPrivilege 3384 wmic.exe Token: SeSystemProfilePrivilege 3384 wmic.exe Token: SeSystemtimePrivilege 3384 wmic.exe Token: SeProfSingleProcessPrivilege 3384 wmic.exe Token: SeIncBasePriorityPrivilege 3384 wmic.exe Token: SeCreatePagefilePrivilege 3384 wmic.exe Token: SeBackupPrivilege 3384 wmic.exe Token: SeRestorePrivilege 3384 wmic.exe Token: SeShutdownPrivilege 3384 wmic.exe Token: SeDebugPrivilege 3384 wmic.exe Token: SeSystemEnvironmentPrivilege 3384 wmic.exe Token: SeRemoteShutdownPrivilege 3384 wmic.exe Token: SeUndockPrivilege 3384 wmic.exe Token: SeManageVolumePrivilege 3384 wmic.exe Token: 33 3384 wmic.exe Token: 34 3384 wmic.exe Token: 35 3384 wmic.exe Token: 36 3384 wmic.exe Token: SeIncreaseQuotaPrivilege 4596 wmic.exe Token: SeSecurityPrivilege 4596 wmic.exe Token: SeTakeOwnershipPrivilege 4596 wmic.exe Token: SeLoadDriverPrivilege 4596 wmic.exe Token: SeSystemProfilePrivilege 4596 wmic.exe Token: SeSystemtimePrivilege 4596 wmic.exe Token: SeProfSingleProcessPrivilege 4596 wmic.exe Token: SeIncBasePriorityPrivilege 4596 wmic.exe Token: SeCreatePagefilePrivilege 4596 wmic.exe Token: SeBackupPrivilege 4596 wmic.exe Token: SeRestorePrivilege 4596 wmic.exe Token: SeShutdownPrivilege 4596 wmic.exe Token: SeDebugPrivilege 4596 wmic.exe Token: SeSystemEnvironmentPrivilege 4596 wmic.exe Token: SeRemoteShutdownPrivilege 4596 wmic.exe Token: SeUndockPrivilege 4596 wmic.exe Token: SeManageVolumePrivilege 4596 wmic.exe Token: 33 4596 wmic.exe Token: 34 4596 wmic.exe Token: 35 4596 wmic.exe Token: 36 4596 wmic.exe Token: SeShutdownPrivilege 3952 svchost.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 4912 wrote to memory of 4212 4912 21c644438a00fb75fabb577076933a99119e9f07e71eaab3f7dc6c629860c4c0.exe 88 PID 4912 wrote to memory of 4212 4912 21c644438a00fb75fabb577076933a99119e9f07e71eaab3f7dc6c629860c4c0.exe 88 PID 4912 wrote to memory of 4212 4912 21c644438a00fb75fabb577076933a99119e9f07e71eaab3f7dc6c629860c4c0.exe 88 PID 4912 wrote to memory of 3384 4912 21c644438a00fb75fabb577076933a99119e9f07e71eaab3f7dc6c629860c4c0.exe 90 PID 4912 wrote to memory of 3384 4912 21c644438a00fb75fabb577076933a99119e9f07e71eaab3f7dc6c629860c4c0.exe 90 PID 4912 wrote to memory of 3384 4912 21c644438a00fb75fabb577076933a99119e9f07e71eaab3f7dc6c629860c4c0.exe 90 PID 4912 wrote to memory of 4596 4912 21c644438a00fb75fabb577076933a99119e9f07e71eaab3f7dc6c629860c4c0.exe 92 PID 4912 wrote to memory of 4596 4912 21c644438a00fb75fabb577076933a99119e9f07e71eaab3f7dc6c629860c4c0.exe 92 PID 4912 wrote to memory of 4596 4912 21c644438a00fb75fabb577076933a99119e9f07e71eaab3f7dc6c629860c4c0.exe 92 -
System policy modification 1 TTPs 3 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 21c644438a00fb75fabb577076933a99119e9f07e71eaab3f7dc6c629860c4c0.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" 21c644438a00fb75fabb577076933a99119e9f07e71eaab3f7dc6c629860c4c0.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLinkedConnections = "1" 21c644438a00fb75fabb577076933a99119e9f07e71eaab3f7dc6c629860c4c0.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\21c644438a00fb75fabb577076933a99119e9f07e71eaab3f7dc6c629860c4c0.exe"C:\Users\Admin\AppData\Local\Temp\21c644438a00fb75fabb577076933a99119e9f07e71eaab3f7dc6c629860c4c0.exe"1⤵
- Checks whether UAC is enabled
- Drops desktop.ini file(s)
- Enumerates connected drives
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
- System policy modification
PID:4912 -
C:\Windows\SysWOW64\Wbem\wmic.exewmic.exe SHADOWCOPY /nointeractive2⤵
- Suspicious use of AdjustPrivilegeToken
PID:4212
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C:\Windows\SysWOW64\Wbem\wmic.exewmic.exe SHADOWCOPY /nointeractive2⤵
- Suspicious use of AdjustPrivilegeToken
PID:3384
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C:\Windows\SysWOW64\Wbem\wmic.exewmic.exe SHADOWCOPY /nointeractive2⤵
- Suspicious use of AdjustPrivilegeToken
PID:4596
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C:\Users\Admin\AppData\Roaming\svchostt.exeC:\Users\Admin\AppData\Roaming\svchostt.exe1⤵
- Executes dropped EXE
PID:2152
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C:\Windows\System32\WaaSMedicAgent.exeC:\Windows\System32\WaaSMedicAgent.exe 89de1ee5eb35defff65d472a0f378693 LDYsgnA3jkCrwiQahBABGA.0.1.0.0.01⤵
- Modifies data under HKEY_USERS
PID:4220
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:3952