Analysis
- max time kernel
93s - max time network
94s - platform
windows10-2004_x64 - resource
win10v2004-en-20220112 - submitted
02/03/2022, 02:02
Static task
static1
Behavioral task
behavioral1
Sample
cb57510ace9e54ed5bcd5e182961c2ad.exe
Resource
win7-20220223-en
0 signatures
0 seconds
General
- Target cb57510ace9e54ed5bcd5e182961c2ad.exe
- Size 441KB
- Sample220302-cf5pgscca8
- SHA256 6fd8616b2ae9f0c04f7bd91f87e7efea5a0e488001fd37ff1b523d0b36e8f027
- MD5 cb57510ace9e54ed5bcd5e182961c2ad
- SHA1 60ce89471c1bd9dcb638a70639d19bd408f3d1aa
- SHA512 5a68030c8af05b7f18ea41522da10151a837ef925d798b05cc5156b9cbcb81008fb231dcda7cbf568104e87d40efa79e474efbfd1357638d8f9830bc345b8475
- MD5 SHA1 SHA512
Malware Config
Signatures
- Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs
description pid Process procid_target PID 1716 created 3308 1716 WerFault.exe 56 - Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Program crash 1 IoCs
pid pid_target Process procid_target 464 3308 WerFault.exe 56 - Checks processor information in registry 2 TTPs 3 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 - 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 - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 464 WerFault.exe 464 WerFault.exe - Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 3308 cb57510ace9e54ed5bcd5e182961c2ad.exe Token: SeRestorePrivilege 464 WerFault.exe Token: SeBackupPrivilege 464 WerFault.exe - Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 1716 wrote to memory of 3308 1716 WerFault.exe 56 PID 1716 wrote to memory of 3308 1716 WerFault.exe 56
Processes
-
C:\Users\Admin\AppData\Local\Temp\cb57510ace9e54ed5bcd5e182961c2ad.exe"C:\Users\Admin\AppData\Local\Temp\cb57510ace9e54ed5bcd5e182961c2ad.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3308 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3308 -s 12122⤵
- Program crash
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:464
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 3308 -ip 33081⤵
- Suspicious use of NtCreateProcessExOtherParentProcess
- Suspicious use of WriteProcessMemory
PID:1716