Analysis
-
max time kernel
121s -
max time network
176s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220113 -
submitted
01-02-2022 03:54
Static task
static1
Behavioral task
behavioral1
Sample
cb8d412bcde5007a389cfbf650e356fc4aca9c56499594af40306234e85c52db.exe
Resource
win7-en-20211208
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
cb8d412bcde5007a389cfbf650e356fc4aca9c56499594af40306234e85c52db.exe
Resource
win10v2004-en-20220113
windows10-2004_x64
0 signatures
0 seconds
General
-
Target
cb8d412bcde5007a389cfbf650e356fc4aca9c56499594af40306234e85c52db.exe
-
Size
828KB
-
MD5
dcaa19fad14b32f9cf16429dc4f0c4bd
-
SHA1
c50601975c549ed45f5d1d07874b853b48810fb4
-
SHA256
cb8d412bcde5007a389cfbf650e356fc4aca9c56499594af40306234e85c52db
-
SHA512
c78ead2fc230ade657e87609107861802ace6c25bfb876d1732bb9be006b22cb56550997357fabc14b1713ba8392de0de0f5612020344820a36c10a5a7368c25
Score
8/10
Malware Config
Signatures
-
Sets service image path in registry 2 TTPs
-
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\Microsoft\SystemCertificates\TrustedPeople\CTLs 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\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\Microsoft\SystemCertificates\SmartCardRoot\CRLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed 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\Policies\Microsoft\SystemCertificates\trust\CRLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates 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\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates 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\Policies\Microsoft\SystemCertificates\trust\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\CRLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\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\SystemCertificates\SmartCardRoot\CTLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\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\Microsoft\SystemCertificates\Disallowed WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust WaaSMedicAgent.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
Processes:
svchost.exedescription pid process Token: SeShutdownPrivilege 3900 svchost.exe Token: SeCreatePagefilePrivilege 3900 svchost.exe Token: SeShutdownPrivilege 3900 svchost.exe Token: SeCreatePagefilePrivilege 3900 svchost.exe Token: SeShutdownPrivilege 3900 svchost.exe Token: SeCreatePagefilePrivilege 3900 svchost.exe -
Suspicious use of WriteProcessMemory 5 IoCs
Processes:
cb8d412bcde5007a389cfbf650e356fc4aca9c56499594af40306234e85c52db.exefondue.exedescription pid process target process PID 2700 wrote to memory of 532 2700 cb8d412bcde5007a389cfbf650e356fc4aca9c56499594af40306234e85c52db.exe fondue.exe PID 2700 wrote to memory of 532 2700 cb8d412bcde5007a389cfbf650e356fc4aca9c56499594af40306234e85c52db.exe fondue.exe PID 2700 wrote to memory of 532 2700 cb8d412bcde5007a389cfbf650e356fc4aca9c56499594af40306234e85c52db.exe fondue.exe PID 532 wrote to memory of 1336 532 fondue.exe FonDUE.EXE PID 532 wrote to memory of 1336 532 fondue.exe FonDUE.EXE
Processes
-
C:\Users\Admin\AppData\Local\Temp\cb8d412bcde5007a389cfbf650e356fc4aca9c56499594af40306234e85c52db.exe"C:\Users\Admin\AppData\Local\Temp\cb8d412bcde5007a389cfbf650e356fc4aca9c56499594af40306234e85c52db.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:2700 -
C:\Windows\SysWOW64\fondue.exe"C:\Windows\system32\fondue.exe" /enable-feature:NetFx3 /caller-name:mscoreei.dll2⤵
- Suspicious use of WriteProcessMemory
PID:532 -
C:\Windows\system32\FonDUE.EXE"C:\Windows\sysnative\FonDUE.EXE" /enable-feature:NetFx3 /caller-name:mscoreei.dll3⤵PID:1336
-
C:\Windows\System32\WaaSMedicAgent.exeC:\Windows\System32\WaaSMedicAgent.exe c6b0c1bba92b5a1468ea32979bc61acf jZBXN6E8tEePh2uHcCVyBQ.0.1.0.0.01⤵
- Modifies data under HKEY_USERS
PID:936
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:3900