Analysis
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max time kernel
90s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
03-12-2022 01:27
Static task
static1
Behavioral task
behavioral1
Sample
879bf224ccf5710bcbec6639a0570738a9931e7b6027519a2f3c98e040c85df1.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
879bf224ccf5710bcbec6639a0570738a9931e7b6027519a2f3c98e040c85df1.exe
Resource
win10v2004-20220901-en
General
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Target
879bf224ccf5710bcbec6639a0570738a9931e7b6027519a2f3c98e040c85df1.exe
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Size
157KB
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MD5
80fb926c18914c98c5544635831c54b5
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SHA1
c2590f791d36cae7af875379b65d10caab538625
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SHA256
879bf224ccf5710bcbec6639a0570738a9931e7b6027519a2f3c98e040c85df1
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SHA512
98e7340f889fc67c6fdc16f2c42b2c08f90a336390bc418b1a148599dcbc1fef582756b783e13dffadbdd6f9c67a34ea94df0e5a46e6c62a580729810628e264
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SSDEEP
3072:01joJsw/4qciRA64ItVfI5o4By1NeJ7Cftp8C:Aoqf50fIaZ1DD
Malware Config
Signatures
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Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1" 879bf224ccf5710bcbec6639a0570738a9931e7b6027519a2f3c98e040c85df1.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Key created \REGISTRY\MACHINE\software\WOW6432Node\Microsoft\Windows\CurrentVersion\run 879bf224ccf5710bcbec6639a0570738a9931e7b6027519a2f3c98e040c85df1.exe -
Enumerates connected drives 3 TTPs 22 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\X: 879bf224ccf5710bcbec6639a0570738a9931e7b6027519a2f3c98e040c85df1.exe File opened (read-only) \??\U: 879bf224ccf5710bcbec6639a0570738a9931e7b6027519a2f3c98e040c85df1.exe File opened (read-only) \??\L: 879bf224ccf5710bcbec6639a0570738a9931e7b6027519a2f3c98e040c85df1.exe File opened (read-only) \??\J: 879bf224ccf5710bcbec6639a0570738a9931e7b6027519a2f3c98e040c85df1.exe File opened (read-only) \??\W: 879bf224ccf5710bcbec6639a0570738a9931e7b6027519a2f3c98e040c85df1.exe File opened (read-only) \??\M: 879bf224ccf5710bcbec6639a0570738a9931e7b6027519a2f3c98e040c85df1.exe File opened (read-only) \??\I: 879bf224ccf5710bcbec6639a0570738a9931e7b6027519a2f3c98e040c85df1.exe File opened (read-only) \??\F: 879bf224ccf5710bcbec6639a0570738a9931e7b6027519a2f3c98e040c85df1.exe File opened (read-only) \??\N: 879bf224ccf5710bcbec6639a0570738a9931e7b6027519a2f3c98e040c85df1.exe File opened (read-only) \??\K: 879bf224ccf5710bcbec6639a0570738a9931e7b6027519a2f3c98e040c85df1.exe File opened (read-only) \??\G: 879bf224ccf5710bcbec6639a0570738a9931e7b6027519a2f3c98e040c85df1.exe File opened (read-only) \??\Z: 879bf224ccf5710bcbec6639a0570738a9931e7b6027519a2f3c98e040c85df1.exe File opened (read-only) \??\Y: 879bf224ccf5710bcbec6639a0570738a9931e7b6027519a2f3c98e040c85df1.exe File opened (read-only) \??\T: 879bf224ccf5710bcbec6639a0570738a9931e7b6027519a2f3c98e040c85df1.exe File opened (read-only) \??\S: 879bf224ccf5710bcbec6639a0570738a9931e7b6027519a2f3c98e040c85df1.exe File opened (read-only) \??\P: 879bf224ccf5710bcbec6639a0570738a9931e7b6027519a2f3c98e040c85df1.exe File opened (read-only) \??\E: 879bf224ccf5710bcbec6639a0570738a9931e7b6027519a2f3c98e040c85df1.exe File opened (read-only) \??\V: 879bf224ccf5710bcbec6639a0570738a9931e7b6027519a2f3c98e040c85df1.exe File opened (read-only) \??\R: 879bf224ccf5710bcbec6639a0570738a9931e7b6027519a2f3c98e040c85df1.exe File opened (read-only) \??\Q: 879bf224ccf5710bcbec6639a0570738a9931e7b6027519a2f3c98e040c85df1.exe File opened (read-only) \??\O: 879bf224ccf5710bcbec6639a0570738a9931e7b6027519a2f3c98e040c85df1.exe File opened (read-only) \??\H: 879bf224ccf5710bcbec6639a0570738a9931e7b6027519a2f3c98e040c85df1.exe -
Drops autorun.inf file 1 TTPs 2 IoCs
Malware can abuse Windows Autorun to spread further via attached volumes.
description ioc Process File opened for modification C:\autorun.inf 879bf224ccf5710bcbec6639a0570738a9931e7b6027519a2f3c98e040c85df1.exe File opened for modification C:\Documents and Settings\Admin\Local Settings\Application Data\Microsoft\CD Burning\autorun.inf 879bf224ccf5710bcbec6639a0570738a9931e7b6027519a2f3c98e040c85df1.exe -
Drops file in Program Files directory 1 IoCs
description ioc Process File opened for modification C:\PROGRAM FILES (X86)\ADOBE\ACROBAT READER DC\READER\ACRORD32.EXE 879bf224ccf5710bcbec6639a0570738a9931e7b6027519a2f3c98e040c85df1.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 4992 1536 WerFault.exe 80 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1536 879bf224ccf5710bcbec6639a0570738a9931e7b6027519a2f3c98e040c85df1.exe 1536 879bf224ccf5710bcbec6639a0570738a9931e7b6027519a2f3c98e040c85df1.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\879bf224ccf5710bcbec6639a0570738a9931e7b6027519a2f3c98e040c85df1.exe"C:\Users\Admin\AppData\Local\Temp\879bf224ccf5710bcbec6639a0570738a9931e7b6027519a2f3c98e040c85df1.exe"1⤵
- Modifies visibility of file extensions in Explorer
- Adds Run key to start application
- Enumerates connected drives
- Drops autorun.inf file
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
PID:1536 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1536 -s 7242⤵
- Program crash
PID:4992
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1536 -ip 15361⤵PID:4412