Analysis
- max time kernel
139s - max time network
112s - platform
windows10_x64 - resource
win10v20210410 - submitted
18/06/2021, 06:49
Static task
static1
Behavioral task
behavioral1
Sample
d002fd64bfdd7944bfedf5f0bad651bd.exe
Resource
win7v20210408
0 signatures
0 seconds
General
- Target d002fd64bfdd7944bfedf5f0bad651bd.exe
- Size 1.1MB
- Sample210618-abl979l87e
- SHA256 36dbcbd2fd7ca9dce07e4fb345b4e2f08bc514a8ecd776a2212a3897e9e6ef55
- MD5 d002fd64bfdd7944bfedf5f0bad651bd
- SHA1 712d4e8b9a0eb6fa53ce554077880bdb479ddd87
- SHA512 77725dd5a733764df30ec1d34f6bd59dcb57be0b3ff4ca138dc251c2be42ff232d1efd9e6942c85307f9f1debbf83aa691bee190c699062b80fd2f245aed31c3
- MD5 SHA1 SHA512
Malware Config
Signatures
- Blocklisted process makes network request 2 IoCs
flow pid Process 13 3308 rundll32.exe 15 3932 rundll32.exe - Loads dropped DLL 3 IoCs
pid Process 3308 rundll32.exe 3932 rundll32.exe 3932 rundll32.exe - Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3932 set thread context of 2208 3932 rundll32.exe 81 - Drops file in Program Files directory 2 IoCs
description ioc Process File created C:\PROGRA~3\lauvhfdchyoek\jhakldcgpv.tmp rundll32.exe File created C:\PROGRA~3\lauvhfdchyoek\Sfnth.tmp rundll32.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Checks processor information in registry 2 TTPs 24 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\~MHz rundll32.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 rundll32.exe Key value enumerated \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1 rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\FeatureSet rundll32.exe Key value enumerated \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Update Status rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Identifier rundll32.exe Key enumerated \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor rundll32.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1 rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Platform Specific Field 1 rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Update Revision rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Update Revision rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\FeatureSet rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\ProcessorNameString rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Previous Update Revision rundll32.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Component Information rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Platform Specific Field 1 rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\VendorIdentifier rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Component Information rundll32.exe -
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\D0DCBEF1A6CEBCC3ED319C3B9A66E6B324FC3FA3 rundll32.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\D0DCBEF1A6CEBCC3ED319C3B9A66E6B324FC3FA3\Blob = 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 rundll32.exe - Suspicious behavior: EnumeratesProcesses 16 IoCs
pid Process 3932 rundll32.exe 3932 rundll32.exe 3932 rundll32.exe 3932 rundll32.exe 3932 rundll32.exe 3932 rundll32.exe 3932 rundll32.exe 3932 rundll32.exe 852 powershell.exe 852 powershell.exe 852 powershell.exe 3932 rundll32.exe 3932 rundll32.exe 2472 powershell.exe 2472 powershell.exe 2472 powershell.exe - Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 3932 rundll32.exe Token: SeDebugPrivilege 852 powershell.exe Token: SeDebugPrivilege 2472 powershell.exe - Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 3932 rundll32.exe - Suspicious use of WriteProcessMemory 24 IoCs
description pid Process procid_target PID 3944 wrote to memory of 3308 3944 d002fd64bfdd7944bfedf5f0bad651bd.exe 78 PID 3944 wrote to memory of 3308 3944 d002fd64bfdd7944bfedf5f0bad651bd.exe 78 PID 3944 wrote to memory of 3308 3944 d002fd64bfdd7944bfedf5f0bad651bd.exe 78 PID 3308 wrote to memory of 3932 3308 rundll32.exe 80 PID 3308 wrote to memory of 3932 3308 rundll32.exe 80 PID 3308 wrote to memory of 3932 3308 rundll32.exe 80 PID 3932 wrote to memory of 2208 3932 rundll32.exe 81 PID 3932 wrote to memory of 2208 3932 rundll32.exe 81 PID 3932 wrote to memory of 2208 3932 rundll32.exe 81 PID 3932 wrote to memory of 852 3932 rundll32.exe 82 PID 3932 wrote to memory of 852 3932 rundll32.exe 82 PID 3932 wrote to memory of 852 3932 rundll32.exe 82 PID 3932 wrote to memory of 2472 3932 rundll32.exe 85 PID 3932 wrote to memory of 2472 3932 rundll32.exe 85 PID 3932 wrote to memory of 2472 3932 rundll32.exe 85 PID 2472 wrote to memory of 928 2472 powershell.exe 87 PID 2472 wrote to memory of 928 2472 powershell.exe 87 PID 2472 wrote to memory of 928 2472 powershell.exe 87 PID 3932 wrote to memory of 964 3932 rundll32.exe 88 PID 3932 wrote to memory of 964 3932 rundll32.exe 88 PID 3932 wrote to memory of 964 3932 rundll32.exe 88 PID 3932 wrote to memory of 2204 3932 rundll32.exe 90 PID 3932 wrote to memory of 2204 3932 rundll32.exe 90 PID 3932 wrote to memory of 2204 3932 rundll32.exe 90
Processes
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C:\Users\Admin\AppData\Local\Temp\d002fd64bfdd7944bfedf5f0bad651bd.exe"C:\Users\Admin\AppData\Local\Temp\d002fd64bfdd7944bfedf5f0bad651bd.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:3944 -
C:\Windows\SysWOW64\rundll32.exeC:\Windows\system32\rundll32.exe C:\Users\Admin\AppData\Local\Temp\D002FD~1.TMP,S C:\Users\Admin\AppData\Local\Temp\D002FD~1.EXE2⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:3308 -
C:\Windows\SysWOW64\rundll32.exeC:\Windows\system32\rundll32.exe C:\PROGRA~3\LAUVHF~1\JHAKLD~1.TMP,cU8iTg== C:\Users\Admin\AppData\Local\Temp\D002FD~1.TMP3⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Checks processor information in registry
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:3932 -
C:\Windows\system32\rundll32.exeC:\Windows\system32\rundll32.exe C:\Windows\system32\shell32.dll,#61 318014⤵PID:2208
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Executionpolicy bypass -File "C:\Users\Admin\AppData\Local\Temp\tmpE3FD.tmp.ps1"4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:852
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Executionpolicy bypass -File "C:\Users\Admin\AppData\Local\Temp\tmpF813.tmp.ps1"4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2472 -
C:\Windows\SysWOW64\nslookup.exe"C:\Windows\system32\nslookup.exe" -type=any localhost5⤵PID:928
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C:\Windows\SysWOW64\schtasks.exeschtasks /End /tn \Microsoft\Windows\Wininet\CacheTask4⤵PID:964
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C:\Windows\SysWOW64\schtasks.exeschtasks /Run /tn \Microsoft\Windows\Wininet\CacheTask4⤵PID:2204
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