Resubmissions
29/09/2021, 14:29
210929-rtl7mafcdk1029/09/2021, 14:25
210929-rre1jafbc31029/09/2021, 14:21
210929-rn53jsfbb810Analysis
- max time kernel
125s - max time network
152s - platform
windows10_x64 - resource
win10-de-20210920 - submitted
29/09/2021, 14:25
Static task
static1
Behavioral task
behavioral1
Sample
a28f2e84d613b1c2b632352880d530fe.exe
Resource
win11
windows11_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
a28f2e84d613b1c2b632352880d530fe.exe
Resource
win10-de-20210920
windows10_x64
0 signatures
0 seconds
General
- Target a28f2e84d613b1c2b632352880d530fe.exe
- Size 169KB
- Sample210929-rre1jafbc3
- SHA256 500b733cbc1ac73598983140ae1b27cb21d06b4e55b5f6d325e5c56b87d8a82f
- MD5 a28f2e84d613b1c2b632352880d530fe
- SHA1 6c036e2f942b68b7903cc9c00d185306661d9a43
- SHA512 421f68ea65192dc8a9ba0be64f47b308b8785a641e9d775590b3d764071e13a0b149f7052e785e44d3e44c6396a16fcc725f759adb94b6ffafc117fba0000ae6
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Extracted
Family
-
azorult
C2
-
http://37.0.8.36/oxxs/index.php
Signatures
- Azorult
An information stealer that was first discovered in 2016, targeting browsing history and passwords.
- Registers COM server for autorun 1 TTPs
- Drops file in System32 directory 4 IoCs
description ioc Process File opened for modification C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\Office\OTele\officec2rclient.exe.db-shm OfficeC2RClient.exe File opened for modification C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\counters2.dat OfficeC2RClient.exe File opened for modification C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\Office\OTele\officec2rclient.exe.db OfficeC2RClient.exe File opened for modification C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\Office\OTele\officec2rclient.exe.db-wal OfficeC2RClient.exe - Modifies data under HKEY_USERS 23 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ExperimentConfigs\Ecs\officeclicktorun OfficeC2RClient.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ExperimentConfigs\Ecs\officeclicktorun\ConfigContextData OfficeC2RClient.exe Key deleted \REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ClientTelemetry\RulesMetadata\officec2rclient.exe OfficeC2RClient.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0 OfficeC2RClient.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ClientTelemetry OfficeC2RClient.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\Common\ClientTelemetry\Volatile OfficeC2RClient.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ExperimentConfigs\FirstSession\officeclicktorun OfficeC2RClient.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\TrustCenter\Experimentation OfficeC2RClient.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ClientTelemetry\RulesMetadata\officec2rclient.exe OfficeC2RClient.exe Key deleted \REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ClientTelemetry\RulesMetadata\officec2rclient.exe\ULSMonitor OfficeC2RClient.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common OfficeC2RClient.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ExperimentConfigs\Ecs OfficeC2RClient.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ExperimentEcs\officeclicktorun\Overrides OfficeC2RClient.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ClientTelemetry\RulesMetadata\officec2rclient.exe\ULSMonitor OfficeC2RClient.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ClientTelemetry\RulesMetadata OfficeC2RClient.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ClientTelemetry\RulesMetadata\officec2rclient.exe\ULSMonitor\ULSCategoriesSeverities = "1329 10,1329 50,941 10,1329 15,941 15,941 6,1329 100,1329 6" OfficeC2RClient.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ClientTelemetry\RulesMetadata\officec2rclient.exe\ULSMonitor\ULSTagIds0 = "5804129,17110992,7202269,17110988,7153487,39965824,17962391,17962392,3702920,3462423,3700754,3965062,4297094,7153421,18716193,7153435,7202265,20502174,6308191,18407617" OfficeC2RClient.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\Common\ClientTelemetry OfficeC2RClient.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ExperimentEcs\Overrides OfficeC2RClient.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ExperimentEcs\all\Overrides OfficeC2RClient.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ExperimentConfigs\ExternalFeatureOverrides\officeclicktorun OfficeC2RClient.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\LanguageResources\EnabledEditingLanguages\en-US = "2" OfficeC2RClient.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\LanguageResources\EnabledEditingLanguages\en-US = "1" OfficeC2RClient.exe - Modifies registry class 44 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance FileSyncConfig.exe Set value (int) \REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\InitPropertyBag\Attributes = "17" FileSyncConfig.exe Key created \REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6} FileSyncConfig.exe Set value (int) \REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\SortOrderIndex = "66" FileSyncConfig.exe Set value (str) \REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\ = "OneDrive" FileSyncConfig.exe Key deleted \REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000_CLASSES\WOW6432NODE\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\INSTANCE\INITPROPERTYBAG FileSyncConfig.exe Key deleted \REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance FileSyncConfig.exe Set value (str) \REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\InProcServer32\ = "%systemroot%\\SysWow64\\shell32.dll" FileSyncConfig.exe Key created \REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\InitPropertyBag FileSyncConfig.exe Set value (str) \REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\InitPropertyBag\TargetKnownFolder = "{a52bba46-e9e1-435f-b3d9-28daa648c0f6}" FileSyncConfig.exe Key created \REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance FileSyncConfig.exe Set value (str) \REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\CLSID = "{0E5AAE11-A475-4c5b-AB00-C66DE400274E}" FileSyncConfig.exe Key deleted \REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000_CLASSES\WOW6432NODE\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\INPROCSERVER32 FileSyncConfig.exe Set value (int) \REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\InitPropertyBag\Attributes = "17" FileSyncConfig.exe Key created \REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\InitPropertyBag FileSyncConfig.exe Set value (str) \REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\DefaultIcon\ = "C:\\Users\\Admin\\AppData\\Local\\Microsoft\\OneDrive\\OneDrive.exe,0" FileSyncConfig.exe Key created \REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\ShellFolder FileSyncConfig.exe Set value (int) \REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\System.IsPinnedToNameSpaceTree = "1" FileSyncConfig.exe Key created \REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\DefaultIcon FileSyncConfig.exe Set value (str) \REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\DefaultIcon\ = "C:\\Users\\Admin\\AppData\\Local\\Microsoft\\OneDrive\\OneDrive.exe,0" FileSyncConfig.exe Key created \REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\ShellFolder FileSyncConfig.exe Key deleted \REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance FileSyncConfig.exe Key deleted \REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000_CLASSES\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\DEFAULTICON FileSyncConfig.exe Key created \REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\DefaultIcon FileSyncConfig.exe Set value (int) \REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\ShellFolder\Attributes = "4034920525" FileSyncConfig.exe Key created \REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\InProcServer32 FileSyncConfig.exe Set value (str) \REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\InitPropertyBag\TargetKnownFolder = "{a52bba46-e9e1-435f-b3d9-28daa648c0f6}" FileSyncConfig.exe Key deleted \REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000_CLASSES\WOW6432NODE\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\DEFAULTICON FileSyncConfig.exe Key deleted \REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000_CLASSES\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\SHELLFOLDER FileSyncConfig.exe Set value (int) \REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\SortOrderIndex = "66" FileSyncConfig.exe Set value (int) \REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\ShellFolder\FolderValueFlags = "40" FileSyncConfig.exe Set value (str) \REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\ = "OneDrive" FileSyncConfig.exe Key deleted \REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6} FileSyncConfig.exe Set value (int) \REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\System.IsPinnedToNameSpaceTree = "1" FileSyncConfig.exe Key created \REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\InProcServer32 FileSyncConfig.exe Set value (int) \REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\ShellFolder\Attributes = "4034920525" FileSyncConfig.exe Key deleted \REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000_CLASSES\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\INSTANCE\INITPROPERTYBAG FileSyncConfig.exe Key created \REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6} FileSyncConfig.exe Set value (str) \REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\CLSID = "{0E5AAE11-A475-4c5b-AB00-C66DE400274E}" FileSyncConfig.exe Set value (str) \REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\InProcServer32\ = "%systemroot%\\system32\\shell32.dll" FileSyncConfig.exe Set value (int) \REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\ShellFolder\FolderValueFlags = "40" FileSyncConfig.exe Key deleted \REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6} FileSyncConfig.exe Key deleted \REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000_CLASSES\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\INPROCSERVER32 FileSyncConfig.exe Key deleted \REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000_CLASSES\WOW6432NODE\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\SHELLFOLDER FileSyncConfig.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 3816 OfficeC2RClient.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\a28f2e84d613b1c2b632352880d530fe.exe"C:\Users\Admin\AppData\Local\Temp\a28f2e84d613b1c2b632352880d530fe.exe"1⤵PID:3600
-
C:\Users\Admin\AppData\Local\Microsoft\OneDrive\21.170.0822.0002\FileSyncConfig.exe"C:\Users\Admin\AppData\Local\Microsoft\OneDrive\21.170.0822.0002\FileSyncConfig.exe"1⤵
- Modifies registry class
PID:1592
-
C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeC2RClient.exe"C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeC2RClient.exe" /frequentupdate SCHEDULEDTASK displaylevel=False1⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:3816