Analysis
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max time kernel
115s -
max time network
167s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220113 -
submitted
01-02-2022 07:57
Static task
static1
Behavioral task
behavioral1
Sample
21d1f5d2ad4ac80ac110333403909a91fe7094a91dc822400768cf10f8b346ec.exe
Resource
win7-en-20211208
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
21d1f5d2ad4ac80ac110333403909a91fe7094a91dc822400768cf10f8b346ec.exe
Resource
win10v2004-en-20220113
windows10-2004_x64
0 signatures
0 seconds
General
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Target
21d1f5d2ad4ac80ac110333403909a91fe7094a91dc822400768cf10f8b346ec.exe
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Size
14KB
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MD5
00190ddad2cd8b186011eee2a14d65f7
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SHA1
7573de78610f28c6523bc6b8fc9c7813a5f8bb1d
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SHA256
21d1f5d2ad4ac80ac110333403909a91fe7094a91dc822400768cf10f8b346ec
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SHA512
0ec03a22fc632e319b52f01cd95f29afabdd46b83288e52ab7f234510e665a382c3fc241ecfee2e582c9f02cd26520017df3fca9842c14224ba8d2edf8ce9217
Score
8/10
Malware Config
Signatures
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Sets service image path in registry 2 TTPs
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Drops file in Windows directory 6 IoCs
Processes:
svchost.exedescription ioc process 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 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 -
Modifies data under HKEY_USERS 41 IoCs
Processes:
WaaSMedicAgent.exedescription ioc process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\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\Microsoft\SystemCertificates\TrustedPeople WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\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\Certificates WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs 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\Policies\Microsoft\SystemCertificates\trust\CRLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed 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\trust\CRLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs WaaSMedicAgent.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
Processes:
svchost.exedescription pid process Token: SeShutdownPrivilege 2484 svchost.exe Token: SeCreatePagefilePrivilege 2484 svchost.exe Token: SeShutdownPrivilege 2484 svchost.exe Token: SeCreatePagefilePrivilege 2484 svchost.exe Token: SeShutdownPrivilege 2484 svchost.exe Token: SeCreatePagefilePrivilege 2484 svchost.exe -
Suspicious use of WriteProcessMemory 5 IoCs
Processes:
21d1f5d2ad4ac80ac110333403909a91fe7094a91dc822400768cf10f8b346ec.exefondue.exedescription pid process target process PID 4284 wrote to memory of 1292 4284 21d1f5d2ad4ac80ac110333403909a91fe7094a91dc822400768cf10f8b346ec.exe fondue.exe PID 4284 wrote to memory of 1292 4284 21d1f5d2ad4ac80ac110333403909a91fe7094a91dc822400768cf10f8b346ec.exe fondue.exe PID 4284 wrote to memory of 1292 4284 21d1f5d2ad4ac80ac110333403909a91fe7094a91dc822400768cf10f8b346ec.exe fondue.exe PID 1292 wrote to memory of 3516 1292 fondue.exe FonDUE.EXE PID 1292 wrote to memory of 3516 1292 fondue.exe FonDUE.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\21d1f5d2ad4ac80ac110333403909a91fe7094a91dc822400768cf10f8b346ec.exe"C:\Users\Admin\AppData\Local\Temp\21d1f5d2ad4ac80ac110333403909a91fe7094a91dc822400768cf10f8b346ec.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:4284 -
C:\Windows\SysWOW64\fondue.exe"C:\Windows\system32\fondue.exe" /enable-feature:NetFx3 /caller-name:mscoreei.dll2⤵
- Suspicious use of WriteProcessMemory
PID:1292 -
C:\Windows\system32\FonDUE.EXE"C:\Windows\sysnative\FonDUE.EXE" /enable-feature:NetFx3 /caller-name:mscoreei.dll3⤵PID:3516
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C:\Windows\System32\WaaSMedicAgent.exeC:\Windows\System32\WaaSMedicAgent.exe 64eb5fc6cf44a21dd77bd92ea7ebcd7b dE3toBmkfUO0wN3s4bCA9Q.0.1.0.0.01⤵
- Modifies data under HKEY_USERS
PID:3012
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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:2484