Analysis
- max time kernel
221s - max time network
226s - platform
windows11_x64 - resource
win11 - submitted
22/11/2021, 13:32
Static task
static1
Behavioral task
behavioral1
Sample
5d3fa145fb26c55c03d3c2c48495251e.dll
Resource
win7-ja-20211104
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
5d3fa145fb26c55c03d3c2c48495251e.dll
Resource
win7-en-20211014
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral3
Sample
5d3fa145fb26c55c03d3c2c48495251e.dll
Resource
win7-de-20211104
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral4
Sample
5d3fa145fb26c55c03d3c2c48495251e.dll
Resource
win11
windows11_x64
0 signatures
0 seconds
Behavioral task
behavioral5
Sample
5d3fa145fb26c55c03d3c2c48495251e.dll
Resource
win10-ja-20211014
windows10_x64
0 signatures
0 seconds
Behavioral task
behavioral6
Sample
5d3fa145fb26c55c03d3c2c48495251e.dll
Resource
win10-en-20211014
windows10_x64
0 signatures
0 seconds
Behavioral task
behavioral7
Sample
5d3fa145fb26c55c03d3c2c48495251e.dll
Resource
win10-de-20211104
windows10_x64
0 signatures
0 seconds
General
- Target 5d3fa145fb26c55c03d3c2c48495251e.dll
- Size 133KB
- Sample211122-qs2p9afehp
- SHA256 43440e9a6d2d0a68b84f7885fda26748fa86de6ca709a883959e2640f3f706bf
- MD5 5d3fa145fb26c55c03d3c2c48495251e
- SHA1 383fb47c582ec9375d03b97746cda9af5b93871e
- SHA512 2cc20fc9cef78d7c960882dcb68c1c25ee843de9050795099f5d7d84e4cfabab4afa632ee06a2887530fb19a04b60580b97669a67e8c7b2e97374bf6147c00da
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Signatures
- Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs
description pid Process procid_target PID 2372 created 1180 2372 WerFault.exe 80 - Program crash 1 IoCs
pid pid_target Process procid_target 2584 1180 WerFault.exe 80 - Checks processor information in registry 2 TTPs 7 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 WerFault.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz WerFault.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString WerFault.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier WerFault.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier WerFault.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Platform Specific Field 1 WerFault.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Update Revision WerFault.exe - Enumerates system info in registry 2 TTPs 2 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS WerFault.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU WerFault.exe - Modifies data under HKEY_USERS 17 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\IdentityCRL\DeviceIdentities\production\Logs\02kqyqjeqqecnzyh svchost.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\IdentityCRL\DeviceIdentities\production\S-1-5-18\02kqyqjeqqecnzyh\AppIdList = "{AFDA72BF-3409-413A-B54E-2AB8D66A7826};" svchost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\IdentityCRL svchost.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\IdentityCRL\DeviceIdentities\production\S-1-5-18\02lrqqzjiojuqmiq\AppIdList svchost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\IdentityCRL\DeviceIdentities\production\S-1-5-18\02kqyqjeqqecnzyh svchost.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\IdentityCRL\DeviceIdentities\production\S-1-5-18\02kqyqjeqqecnzyh\DeviceId = "<Data LastUpdatedTime=\"1637588169\"><User username=\"02KQYQJEQQECNZYH\"/></Data>\r\n" svchost.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\IdentityCRL\DeviceIdentities\production\S-1-5-18\ValidDeviceId = "02kqyqjeqqecnzyh" svchost.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\IdentityCRL\ProviderPasswordLength = "8" svchost.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\IdentityCRL\ProviderPasswordCharacterGroups = "2" svchost.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\IdentityCRL\DeviceIdentities\production\S-1-5-18\02lrqqzjiojuqmiq\Reason = "2147750679" svchost.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\IdentityCRL\DeviceIdentities\production\S-1-5-18\ValidDeviceId svchost.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\IdentityCRL\ExtendedProperties\LID = "00184005A9B70ACC" svchost.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\IdentityCRL\DeviceIdentities\production\S-1-5-18\02lrqqzjiojuqmiq\DeviceId = "<Data LastUpdatedTime=\"1626948653\" DAInvalidationTime=\"1637588167\"><User username=\"02LRQQZJIOJUQMIQ\"><HardwareInfo BoundTime=\"1626948652\" TpmKeyStateClient=\"1\" TpmKeyStateServer=\"3\" LicenseKeySequence=\"1\" LicenseInstallError=\"0\" LicenseKeyVersion=\"2\"/></User></Data>\r\n" svchost.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\IdentityCRL\DeviceIdentities\production\S-1-5-18\02kqyqjeqqecnzyh\DeviceId = "<Data LastUpdatedTime=\"1637588169\"><User username=\"02KQYQJEQQECNZYH\"><HardwareInfo BoundTime=\"1637588169\" TpmKeyStateClient=\"1\" TpmKeyStateServer=\"3\" LicenseKeySequence=\"1\" LicenseInstallError=\"0\" LicenseKeyVersion=\"2\"/></User></Data>\r\n" svchost.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\IdentityCRL\DeviceIdentities\production\S-1-5-18\DeviceLicenseUpdateFailureCount = "0" svchost.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\IdentityCRL\DeviceIdentities\production\Logs\02kqyqjeqqecnzyh\Provision Saturday, September 04, 2021 07:54:49 = "AQAAANCMnd8BFdERjHoAwE/Cl+sBAAAAxPWI57fHyE6TmuDQDjWJfAAAAAACAAAAAAAQZgAAAAEAACAAAACeenCmm3ShJcQnuAwGuJOdzbL3RKAcsbCH0OcQDQ7i0QAAAAAOgAAAAAIAACAAAAB/UwEXRsB8sFx8J0clyCRaM3HbhaNyJqvrPTqVwXKdfSAAAAAT/lhKsoW0y1CfrtI2bOunVn+pjmrBa/+jwHmGZmT+50AAAABG2GyP4Tvg2DByURwVt92me16CgbVgib+LS6ZmS9YAuCMWIYDjl0yAD139YsjqVjAf9cci7p21kfWVcCTdKuNS" svchost.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\IdentityCRL\DeviceIdentities\production\S-1-5-18\02kqyqjeqqecnzyh\DeviceId = "<Data LastUpdatedTime=\"1637588169\"><User username=\"02KQYQJEQQECNZYH\"><HardwareInfo BoundTime=\"1637588171\" TpmKeyStateClient=\"1\" TpmKeyStateServer=\"3\" LicenseKeySequence=\"1\" LicenseInstallError=\"0\" LicenseKeyVersion=\"2\"/></User></Data>\r\n" svchost.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2584 WerFault.exe 2584 WerFault.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeRestorePrivilege 2584 WerFault.exe Token: SeBackupPrivilege 2584 WerFault.exe - Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 808 wrote to memory of 1180 808 regsvr32.exe 80 PID 808 wrote to memory of 1180 808 regsvr32.exe 80 PID 808 wrote to memory of 1180 808 regsvr32.exe 80 PID 2372 wrote to memory of 1180 2372 WerFault.exe 80 PID 2372 wrote to memory of 1180 2372 WerFault.exe 80
Processes
-
C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\5d3fa145fb26c55c03d3c2c48495251e.dll1⤵
- Suspicious use of WriteProcessMemory
PID:808 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\5d3fa145fb26c55c03d3c2c48495251e.dll2⤵PID:1180
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1180 -s 4643⤵
- Program crash
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2584
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-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1180 -ip 11801⤵
- Suspicious use of NtCreateProcessExOtherParentProcess
- Suspicious use of WriteProcessMemory
PID:2372
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s wlidsvc1⤵
- Modifies data under HKEY_USERS
PID:1224
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalService -p -s LicenseManager1⤵PID:3652