Analysis
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max time kernel
80s -
max time network
136s -
platform
windows10_x64 -
resource
win10-en -
submitted
14-09-2021 09:52
Static task
static1
Behavioral task
behavioral1
Sample
bf4ca3ef810bbc866015723e09cdfb7b.exe
Resource
win7-en
Behavioral task
behavioral2
Sample
bf4ca3ef810bbc866015723e09cdfb7b.exe
Resource
win10-en
General
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Target
bf4ca3ef810bbc866015723e09cdfb7b.exe
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Size
476KB
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MD5
bf4ca3ef810bbc866015723e09cdfb7b
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SHA1
b1ef1b47cb790ee88866d31bb09929a516e36caf
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SHA256
70707206bfdc0b86a9494f7780c55829e993a93a7d65d0279bc9c73b97ffc005
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SHA512
1fdac4d5fc922265871ac741fb3241e28307e6c52297e515e8e5aaeb85c9fb2c88183a3a0f080c4ae9e53e1553064d9308a74b5888b8c42f813e395c09aa45b8
Malware Config
Signatures
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Modifies system executable filetype association 2 TTPs 1 IoCs
Processes:
bf4ca3ef810bbc866015723e09cdfb7b.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*" bf4ca3ef810bbc866015723e09cdfb7b.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Suspicious use of SetThreadContext 1 IoCs
Processes:
bf4ca3ef810bbc866015723e09cdfb7b.exedescription pid process target process PID 4676 set thread context of 4840 4676 bf4ca3ef810bbc866015723e09cdfb7b.exe bf4ca3ef810bbc866015723e09cdfb7b.exe -
Drops file in Program Files directory 55 IoCs
Processes:
bf4ca3ef810bbc866015723e09cdfb7b.exedescription ioc process File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\READER~1.EXE bf4ca3ef810bbc866015723e09cdfb7b.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE bf4ca3ef810bbc866015723e09cdfb7b.exe File opened for modification C:\PROGRA~2\Google\Update\1335~1.452\GOOGLE~3.EXE bf4ca3ef810bbc866015723e09cdfb7b.exe File opened for modification C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE bf4ca3ef810bbc866015723e09cdfb7b.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\Eula.exe bf4ca3ef810bbc866015723e09cdfb7b.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\64BITM~1.EXE bf4ca3ef810bbc866015723e09cdfb7b.exe File opened for modification C:\PROGRA~2\Google\Update\DISABL~1.EXE bf4ca3ef810bbc866015723e09cdfb7b.exe File opened for modification C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\ADOBEA~1.EXE bf4ca3ef810bbc866015723e09cdfb7b.exe File opened for modification C:\PROGRA~2\WI54FB~1\wmprph.exe bf4ca3ef810bbc866015723e09cdfb7b.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE bf4ca3ef810bbc866015723e09cdfb7b.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\LOGTRA~1.EXE bf4ca3ef810bbc866015723e09cdfb7b.exe File opened for modification C:\PROGRA~2\INTERN~1\ExtExport.exe bf4ca3ef810bbc866015723e09cdfb7b.exe File opened for modification C:\PROGRA~2\WINDOW~4\ACCESS~1\wordpad.exe bf4ca3ef810bbc866015723e09cdfb7b.exe File opened for modification C:\PROGRA~2\Google\Update\1335~1.452\GOOGLE~4.EXE bf4ca3ef810bbc866015723e09cdfb7b.exe File opened for modification C:\PROGRA~2\Google\Update\1335~1.452\GOOGLE~2.EXE bf4ca3ef810bbc866015723e09cdfb7b.exe File opened for modification C:\PROGRA~2\Google\Temp\GUM1942.tmp\GOFB2B~1.EXE bf4ca3ef810bbc866015723e09cdfb7b.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroCEF\RdrCEF.exe bf4ca3ef810bbc866015723e09cdfb7b.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\FULLTR~1.EXE bf4ca3ef810bbc866015723e09cdfb7b.exe File opened for modification C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jusched.exe bf4ca3ef810bbc866015723e09cdfb7b.exe File opened for modification C:\PROGRA~2\WINDOW~2\wab.exe bf4ca3ef810bbc866015723e09cdfb7b.exe File opened for modification C:\PROGRA~2\WINDOW~2\WinMail.exe bf4ca3ef810bbc866015723e09cdfb7b.exe File opened for modification C:\PROGRA~2\WI54FB~1\setup_wm.exe bf4ca3ef810bbc866015723e09cdfb7b.exe File opened for modification C:\PROGRA~2\WI54FB~1\wmlaunch.exe bf4ca3ef810bbc866015723e09cdfb7b.exe File opened for modification C:\PROGRA~2\WI8A19~1\ImagingDevices.exe bf4ca3ef810bbc866015723e09cdfb7b.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\arh.exe bf4ca3ef810bbc866015723e09cdfb7b.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\32BITM~1.EXE bf4ca3ef810bbc866015723e09cdfb7b.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\Browser\WCCHRO~1\WCCHRO~1.EXE bf4ca3ef810bbc866015723e09cdfb7b.exe File opened for modification C:\PROGRA~3\PACKAG~1\{F4220~1\VC_RED~1.EXE bf4ca3ef810bbc866015723e09cdfb7b.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROBR~1.EXE bf4ca3ef810bbc866015723e09cdfb7b.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADOBEC~1.EXE bf4ca3ef810bbc866015723e09cdfb7b.exe File opened for modification C:\PROGRA~2\INTERN~1\ielowutil.exe bf4ca3ef810bbc866015723e09cdfb7b.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADelRCP.exe bf4ca3ef810bbc866015723e09cdfb7b.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe bf4ca3ef810bbc866015723e09cdfb7b.exe File opened for modification C:\PROGRA~2\MOZILL~1\UNINST~1.EXE bf4ca3ef810bbc866015723e09cdfb7b.exe File opened for modification C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE bf4ca3ef810bbc866015723e09cdfb7b.exe File opened for modification C:\PROGRA~2\WI54FB~1\wmplayer.exe bf4ca3ef810bbc866015723e09cdfb7b.exe File opened for modification C:\PROGRA~3\Adobe\Setup\{AC76B~1\setup.exe bf4ca3ef810bbc866015723e09cdfb7b.exe File opened for modification C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\AdobeARM.exe bf4ca3ef810bbc866015723e09cdfb7b.exe File opened for modification C:\PROGRA~3\MICROS~1\CLICKT~1\{9AC08~1\INTEGR~1.EXE bf4ca3ef810bbc866015723e09cdfb7b.exe File opened for modification C:\PROGRA~2\Google\Update\1335~1.452\GO664E~1.EXE bf4ca3ef810bbc866015723e09cdfb7b.exe File opened for modification C:\PROGRA~2\Google\Update\1335~1.452\GOBD5D~1.EXE bf4ca3ef810bbc866015723e09cdfb7b.exe File opened for modification C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\armsvc.exe bf4ca3ef810bbc866015723e09cdfb7b.exe File opened for modification C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jaureg.exe bf4ca3ef810bbc866015723e09cdfb7b.exe File opened for modification C:\PROGRA~2\Google\Update\1335~1.452\GOFB2B~1.EXE bf4ca3ef810bbc866015723e09cdfb7b.exe File opened for modification C:\PROGRA~2\WI54FB~1\wmpshare.exe bf4ca3ef810bbc866015723e09cdfb7b.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroRd32.exe bf4ca3ef810bbc866015723e09cdfb7b.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\WOW_HE~1.EXE bf4ca3ef810bbc866015723e09cdfb7b.exe File opened for modification C:\PROGRA~2\Google\Update\1335~1.452\GOF5E2~1.EXE bf4ca3ef810bbc866015723e09cdfb7b.exe File opened for modification C:\PROGRA~2\WINDOW~2\wabmig.exe bf4ca3ef810bbc866015723e09cdfb7b.exe File opened for modification C:\PROGRA~2\INTERN~1\ieinstal.exe bf4ca3ef810bbc866015723e09cdfb7b.exe File opened for modification C:\PROGRA~2\INTERN~1\iexplore.exe bf4ca3ef810bbc866015723e09cdfb7b.exe File opened for modification C:\PROGRA~2\WI54FB~1\wmpconfig.exe bf4ca3ef810bbc866015723e09cdfb7b.exe File opened for modification C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE bf4ca3ef810bbc866015723e09cdfb7b.exe File opened for modification C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jucheck.exe bf4ca3ef810bbc866015723e09cdfb7b.exe File opened for modification C:\PROGRA~2\Google\Update\1335~1.452\GOOGLE~1.EXE bf4ca3ef810bbc866015723e09cdfb7b.exe -
Drops file in Windows directory 1 IoCs
Processes:
bf4ca3ef810bbc866015723e09cdfb7b.exedescription ioc process File opened for modification C:\Windows\svchost.com bf4ca3ef810bbc866015723e09cdfb7b.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Modifies registry class 1 IoCs
Processes:
bf4ca3ef810bbc866015723e09cdfb7b.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*" bf4ca3ef810bbc866015723e09cdfb7b.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
bf4ca3ef810bbc866015723e09cdfb7b.exepid process 4676 bf4ca3ef810bbc866015723e09cdfb7b.exe 4676 bf4ca3ef810bbc866015723e09cdfb7b.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
bf4ca3ef810bbc866015723e09cdfb7b.exedescription pid process Token: SeDebugPrivilege 4676 bf4ca3ef810bbc866015723e09cdfb7b.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
bf4ca3ef810bbc866015723e09cdfb7b.exedescription pid process target process PID 4676 wrote to memory of 4840 4676 bf4ca3ef810bbc866015723e09cdfb7b.exe bf4ca3ef810bbc866015723e09cdfb7b.exe PID 4676 wrote to memory of 4840 4676 bf4ca3ef810bbc866015723e09cdfb7b.exe bf4ca3ef810bbc866015723e09cdfb7b.exe PID 4676 wrote to memory of 4840 4676 bf4ca3ef810bbc866015723e09cdfb7b.exe bf4ca3ef810bbc866015723e09cdfb7b.exe PID 4676 wrote to memory of 4840 4676 bf4ca3ef810bbc866015723e09cdfb7b.exe bf4ca3ef810bbc866015723e09cdfb7b.exe PID 4676 wrote to memory of 4840 4676 bf4ca3ef810bbc866015723e09cdfb7b.exe bf4ca3ef810bbc866015723e09cdfb7b.exe PID 4676 wrote to memory of 4840 4676 bf4ca3ef810bbc866015723e09cdfb7b.exe bf4ca3ef810bbc866015723e09cdfb7b.exe PID 4676 wrote to memory of 4840 4676 bf4ca3ef810bbc866015723e09cdfb7b.exe bf4ca3ef810bbc866015723e09cdfb7b.exe PID 4676 wrote to memory of 4840 4676 bf4ca3ef810bbc866015723e09cdfb7b.exe bf4ca3ef810bbc866015723e09cdfb7b.exe PID 4676 wrote to memory of 4840 4676 bf4ca3ef810bbc866015723e09cdfb7b.exe bf4ca3ef810bbc866015723e09cdfb7b.exe PID 4676 wrote to memory of 4840 4676 bf4ca3ef810bbc866015723e09cdfb7b.exe bf4ca3ef810bbc866015723e09cdfb7b.exe PID 4676 wrote to memory of 4840 4676 bf4ca3ef810bbc866015723e09cdfb7b.exe bf4ca3ef810bbc866015723e09cdfb7b.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\bf4ca3ef810bbc866015723e09cdfb7b.exe"C:\Users\Admin\AppData\Local\Temp\bf4ca3ef810bbc866015723e09cdfb7b.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4676 -
C:\Users\Admin\AppData\Local\Temp\bf4ca3ef810bbc866015723e09cdfb7b.exeC:\Users\Admin\AppData\Local\Temp\bf4ca3ef810bbc866015723e09cdfb7b.exe2⤵
- Modifies system executable filetype association
- Drops file in Program Files directory
- Drops file in Windows directory
- Modifies registry class
PID:4840
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