Analysis
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max time kernel
137s -
max time network
138s -
platform
windows7_x64 -
resource
win7-en -
submitted
14-09-2021 09:52
Static task
static1
Behavioral task
behavioral1
Sample
bf4ca3ef810bbc866015723e09cdfb7b.exe
Resource
win7-en
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
bf4ca3ef810bbc866015723e09cdfb7b.exe
Resource
win10-en
windows10_x64
0 signatures
0 seconds
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
Score
10/10
Malware Config
Signatures
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Modifies system executable filetype association 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*" bf4ca3ef810bbc866015723e09cdfb7b.exe -
Loads dropped DLL 3 IoCs
pid Process 964 bf4ca3ef810bbc866015723e09cdfb7b.exe 964 bf4ca3ef810bbc866015723e09cdfb7b.exe 964 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
description pid Process procid_target PID 820 set thread context of 964 820 bf4ca3ef810bbc866015723e09cdfb7b.exe 31 -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\PROGRA~2\MICROS~1\Office14\BCSSync.exe bf4ca3ef810bbc866015723e09cdfb7b.exe File opened for modification C:\PROGRA~2\WI54FB~1\wmpshare.exe bf4ca3ef810bbc866015723e09cdfb7b.exe File opened for modification C:\PROGRA~2\Adobe\READER~1.0\Resource\Icons\SC_REA~1.EXE bf4ca3ef810bbc866015723e09cdfb7b.exe File opened for modification C:\PROGRA~2\Google\Update\1335~1.452\GOOGLE~1.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\MICROS~1\Office14\ONENOTEM.EXE bf4ca3ef810bbc866015723e09cdfb7b.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\WINWORD.EXE bf4ca3ef810bbc866015723e09cdfb7b.exe File opened for modification C:\PROGRA~2\WI54FB~1\wmplayer.exe bf4ca3ef810bbc866015723e09cdfb7b.exe File opened for modification C:\PROGRA~2\Adobe\READER~1.0\Reader\ACROBR~1.EXE bf4ca3ef810bbc866015723e09cdfb7b.exe File opened for modification C:\PROGRA~2\Adobe\READER~1.0\Reader\Eula.exe bf4ca3ef810bbc866015723e09cdfb7b.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\ink\mip.exe bf4ca3ef810bbc866015723e09cdfb7b.exe File opened for modification C:\PROGRA~2\Google\Temp\GUMB4FC.tmp\GOFB2B~1.EXE bf4ca3ef810bbc866015723e09cdfb7b.exe File opened for modification C:\PROGRA~2\INTERN~1\ielowutil.exe bf4ca3ef810bbc866015723e09cdfb7b.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\ACCICONS.EXE bf4ca3ef810bbc866015723e09cdfb7b.exe File opened for modification C:\PROGRA~2\WINDOW~1\WinMail.exe bf4ca3ef810bbc866015723e09cdfb7b.exe File opened for modification C:\PROGRA~2\WI54FB~1\wmpconfig.exe bf4ca3ef810bbc866015723e09cdfb7b.exe File opened for modification C:\PROGRA~2\Adobe\READER~1.0\Reader\ADOBEC~1.EXE bf4ca3ef810bbc866015723e09cdfb7b.exe File opened for modification C:\PROGRA~2\Adobe\READER~1.0\SETUPF~1\{AC76B~1\Setup.exe bf4ca3ef810bbc866015723e09cdfb7b.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\DW\DW20.EXE bf4ca3ef810bbc866015723e09cdfb7b.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\EQUATION\EQNEDT32.EXE bf4ca3ef810bbc866015723e09cdfb7b.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\PPTICO.EXE bf4ca3ef810bbc866015723e09cdfb7b.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\VPREVIEW.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\Adobe\Updater6\ADOBEU~1.EXE bf4ca3ef810bbc866015723e09cdfb7b.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\FLTLDR.EXE bf4ca3ef810bbc866015723e09cdfb7b.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\MSOUC.EXE bf4ca3ef810bbc866015723e09cdfb7b.exe File opened for modification C:\PROGRA~2\WINDOW~1\wab.exe bf4ca3ef810bbc866015723e09cdfb7b.exe File opened for modification C:\PROGRA~2\WI54FB~1\WMPDMC.exe bf4ca3ef810bbc866015723e09cdfb7b.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\DW\DWTRIG20.EXE bf4ca3ef810bbc866015723e09cdfb7b.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\IECONT~1.EXE bf4ca3ef810bbc866015723e09cdfb7b.exe File opened for modification C:\PROGRA~2\MOZILL~1\UNINST~1.EXE bf4ca3ef810bbc866015723e09cdfb7b.exe File opened for modification C:\PROGRA~2\Adobe\READER~1.0\Reader\AcroRd32.exe bf4ca3ef810bbc866015723e09cdfb7b.exe File opened for modification C:\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE bf4ca3ef810bbc866015723e09cdfb7b.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\TextConv\WksConv\Wkconv.exe bf4ca3ef810bbc866015723e09cdfb7b.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\WORDICON.EXE bf4ca3ef810bbc866015723e09cdfb7b.exe File opened for modification C:\PROGRA~2\WINDOW~1\wabmig.exe bf4ca3ef810bbc866015723e09cdfb7b.exe File opened for modification C:\PROGRA~2\WINDOW~4\ImagingDevices.exe bf4ca3ef810bbc866015723e09cdfb7b.exe File opened for modification C:\PROGRA~2\COMMON~1\ADOBEA~1\Versions\1.0\ADOBEA~1.EXE bf4ca3ef810bbc866015723e09cdfb7b.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\CLVIEW.EXE bf4ca3ef810bbc866015723e09cdfb7b.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\LICLUA.EXE bf4ca3ef810bbc866015723e09cdfb7b.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\OIS.EXE bf4ca3ef810bbc866015723e09cdfb7b.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\SELFCERT.EXE bf4ca3ef810bbc866015723e09cdfb7b.exe File opened for modification C:\PROGRA~2\WI54FB~1\wmprph.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\COMMON~1\MICROS~1\OFFICE14\MSOICONS.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\GOF5E2~1.EXE bf4ca3ef810bbc866015723e09cdfb7b.exe File opened for modification C:\PROGRA~2\INTERN~1\iexplore.exe bf4ca3ef810bbc866015723e09cdfb7b.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\MSOHTMED.EXE bf4ca3ef810bbc866015723e09cdfb7b.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\MSTORDB.EXE bf4ca3ef810bbc866015723e09cdfb7b.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\GROOVEMN.EXE bf4ca3ef810bbc866015723e09cdfb7b.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\INFOPATH.EXE bf4ca3ef810bbc866015723e09cdfb7b.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOXMLED.EXE bf4ca3ef810bbc866015723e09cdfb7b.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\ODeploy.exe bf4ca3ef810bbc866015723e09cdfb7b.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\Setup.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\MICROS~1\Office14\1033\ONELEV.EXE bf4ca3ef810bbc866015723e09cdfb7b.exe File opened for modification C:\PROGRA~2\WI54FB~1\setup_wm.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~2\INTERN~1\ieinstal.exe bf4ca3ef810bbc866015723e09cdfb7b.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\MSOSYNC.EXE bf4ca3ef810bbc866015723e09cdfb7b.exe File opened for modification C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE bf4ca3ef810bbc866015723e09cdfb7b.exe File opened for modification C:\PROGRA~2\WI4223~1\sidebar.exe bf4ca3ef810bbc866015723e09cdfb7b.exe -
Drops file in Windows directory 1 IoCs
description 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
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*" bf4ca3ef810bbc866015723e09cdfb7b.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 820 bf4ca3ef810bbc866015723e09cdfb7b.exe 820 bf4ca3ef810bbc866015723e09cdfb7b.exe 820 bf4ca3ef810bbc866015723e09cdfb7b.exe 820 bf4ca3ef810bbc866015723e09cdfb7b.exe 820 bf4ca3ef810bbc866015723e09cdfb7b.exe 820 bf4ca3ef810bbc866015723e09cdfb7b.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 820 bf4ca3ef810bbc866015723e09cdfb7b.exe -
Suspicious use of WriteProcessMemory 16 IoCs
description pid Process procid_target PID 820 wrote to memory of 592 820 bf4ca3ef810bbc866015723e09cdfb7b.exe 30 PID 820 wrote to memory of 592 820 bf4ca3ef810bbc866015723e09cdfb7b.exe 30 PID 820 wrote to memory of 592 820 bf4ca3ef810bbc866015723e09cdfb7b.exe 30 PID 820 wrote to memory of 592 820 bf4ca3ef810bbc866015723e09cdfb7b.exe 30 PID 820 wrote to memory of 964 820 bf4ca3ef810bbc866015723e09cdfb7b.exe 31 PID 820 wrote to memory of 964 820 bf4ca3ef810bbc866015723e09cdfb7b.exe 31 PID 820 wrote to memory of 964 820 bf4ca3ef810bbc866015723e09cdfb7b.exe 31 PID 820 wrote to memory of 964 820 bf4ca3ef810bbc866015723e09cdfb7b.exe 31 PID 820 wrote to memory of 964 820 bf4ca3ef810bbc866015723e09cdfb7b.exe 31 PID 820 wrote to memory of 964 820 bf4ca3ef810bbc866015723e09cdfb7b.exe 31 PID 820 wrote to memory of 964 820 bf4ca3ef810bbc866015723e09cdfb7b.exe 31 PID 820 wrote to memory of 964 820 bf4ca3ef810bbc866015723e09cdfb7b.exe 31 PID 820 wrote to memory of 964 820 bf4ca3ef810bbc866015723e09cdfb7b.exe 31 PID 820 wrote to memory of 964 820 bf4ca3ef810bbc866015723e09cdfb7b.exe 31 PID 820 wrote to memory of 964 820 bf4ca3ef810bbc866015723e09cdfb7b.exe 31 PID 820 wrote to memory of 964 820 bf4ca3ef810bbc866015723e09cdfb7b.exe 31
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:820 -
C:\Users\Admin\AppData\Local\Temp\bf4ca3ef810bbc866015723e09cdfb7b.exeC:\Users\Admin\AppData\Local\Temp\bf4ca3ef810bbc866015723e09cdfb7b.exe2⤵PID:592
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C:\Users\Admin\AppData\Local\Temp\bf4ca3ef810bbc866015723e09cdfb7b.exeC:\Users\Admin\AppData\Local\Temp\bf4ca3ef810bbc866015723e09cdfb7b.exe2⤵
- Modifies system executable filetype association
- Loads dropped DLL
- Drops file in Program Files directory
- Drops file in Windows directory
- Modifies registry class
PID:964
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