Analysis
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max time kernel
152s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
23-11-2022 18:34
Static task
static1
Behavioral task
behavioral1
Sample
5625d0606494bd36c218e8f9b765be4361cd016579223601f01c47b344121786.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
5625d0606494bd36c218e8f9b765be4361cd016579223601f01c47b344121786.exe
Resource
win10v2004-20220812-en
General
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Target
5625d0606494bd36c218e8f9b765be4361cd016579223601f01c47b344121786.exe
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Size
151KB
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MD5
527b41724c475022594d6c4103127e20
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SHA1
b45c675b2d0027515a78e7a3f1a6387b6a24bd14
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SHA256
5625d0606494bd36c218e8f9b765be4361cd016579223601f01c47b344121786
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SHA512
21b56cf01a3cccc1320536ecdfb863e99f3f65f9808ac3da84f825e8a9dc5e56ef556dbcf075c22ddc7254a86e40696f6a7c063a32d96ff9201a8a121e07eeef
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SSDEEP
3072:PbKT6Y6qnPLs9JZBKh4Qu9kW7M/tI7wZdCQ04:Te6qoJjKh4d9CGQ04
Malware Config
Signatures
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Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
Processes:
5625d0606494bd36c218e8f9b765be4361cd016579223601f01c47b344121786.exedescription ioc process Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1" 5625d0606494bd36c218e8f9b765be4361cd016579223601f01c47b344121786.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
5625d0606494bd36c218e8f9b765be4361cd016579223601f01c47b344121786.exedescription ioc process Key created \REGISTRY\MACHINE\software\WOW6432Node\Microsoft\Windows\CurrentVersion\run 5625d0606494bd36c218e8f9b765be4361cd016579223601f01c47b344121786.exe -
Enumerates connected drives 3 TTPs 22 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
5625d0606494bd36c218e8f9b765be4361cd016579223601f01c47b344121786.exedescription ioc process File opened (read-only) \??\K: 5625d0606494bd36c218e8f9b765be4361cd016579223601f01c47b344121786.exe File opened (read-only) \??\E: 5625d0606494bd36c218e8f9b765be4361cd016579223601f01c47b344121786.exe File opened (read-only) \??\U: 5625d0606494bd36c218e8f9b765be4361cd016579223601f01c47b344121786.exe File opened (read-only) \??\R: 5625d0606494bd36c218e8f9b765be4361cd016579223601f01c47b344121786.exe File opened (read-only) \??\V: 5625d0606494bd36c218e8f9b765be4361cd016579223601f01c47b344121786.exe File opened (read-only) \??\T: 5625d0606494bd36c218e8f9b765be4361cd016579223601f01c47b344121786.exe File opened (read-only) \??\L: 5625d0606494bd36c218e8f9b765be4361cd016579223601f01c47b344121786.exe File opened (read-only) \??\G: 5625d0606494bd36c218e8f9b765be4361cd016579223601f01c47b344121786.exe File opened (read-only) \??\X: 5625d0606494bd36c218e8f9b765be4361cd016579223601f01c47b344121786.exe File opened (read-only) \??\W: 5625d0606494bd36c218e8f9b765be4361cd016579223601f01c47b344121786.exe File opened (read-only) \??\M: 5625d0606494bd36c218e8f9b765be4361cd016579223601f01c47b344121786.exe File opened (read-only) \??\J: 5625d0606494bd36c218e8f9b765be4361cd016579223601f01c47b344121786.exe File opened (read-only) \??\I: 5625d0606494bd36c218e8f9b765be4361cd016579223601f01c47b344121786.exe File opened (read-only) \??\H: 5625d0606494bd36c218e8f9b765be4361cd016579223601f01c47b344121786.exe File opened (read-only) \??\F: 5625d0606494bd36c218e8f9b765be4361cd016579223601f01c47b344121786.exe File opened (read-only) \??\P: 5625d0606494bd36c218e8f9b765be4361cd016579223601f01c47b344121786.exe File opened (read-only) \??\O: 5625d0606494bd36c218e8f9b765be4361cd016579223601f01c47b344121786.exe File opened (read-only) \??\S: 5625d0606494bd36c218e8f9b765be4361cd016579223601f01c47b344121786.exe File opened (read-only) \??\Q: 5625d0606494bd36c218e8f9b765be4361cd016579223601f01c47b344121786.exe File opened (read-only) \??\N: 5625d0606494bd36c218e8f9b765be4361cd016579223601f01c47b344121786.exe File opened (read-only) \??\Z: 5625d0606494bd36c218e8f9b765be4361cd016579223601f01c47b344121786.exe File opened (read-only) \??\Y: 5625d0606494bd36c218e8f9b765be4361cd016579223601f01c47b344121786.exe -
Drops autorun.inf file 1 TTPs 2 IoCs
Malware can abuse Windows Autorun to spread further via attached volumes.
Processes:
5625d0606494bd36c218e8f9b765be4361cd016579223601f01c47b344121786.exedescription ioc process File opened for modification C:\autorun.inf 5625d0606494bd36c218e8f9b765be4361cd016579223601f01c47b344121786.exe File opened for modification C:\Documents and Settings\Admin\Local Settings\Application Data\Microsoft\CD Burning\autorun.inf 5625d0606494bd36c218e8f9b765be4361cd016579223601f01c47b344121786.exe -
Drops file in Program Files directory 1 IoCs
Processes:
5625d0606494bd36c218e8f9b765be4361cd016579223601f01c47b344121786.exedescription ioc process File opened for modification C:\PROGRAM FILES (X86)\ADOBE\ACROBAT READER DC\READER\ACRORD32.EXE 5625d0606494bd36c218e8f9b765be4361cd016579223601f01c47b344121786.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Program crash 2 IoCs
Processes:
WerFault.exeWerFault.exepid pid_target process target process 4336 1388 WerFault.exe 5625d0606494bd36c218e8f9b765be4361cd016579223601f01c47b344121786.exe 4608 1388 WerFault.exe 5625d0606494bd36c218e8f9b765be4361cd016579223601f01c47b344121786.exe -
Modifies registry class 1 IoCs
Processes:
5625d0606494bd36c218e8f9b765be4361cd016579223601f01c47b344121786.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000_Classes\Local Settings 5625d0606494bd36c218e8f9b765be4361cd016579223601f01c47b344121786.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
5625d0606494bd36c218e8f9b765be4361cd016579223601f01c47b344121786.exepid process 1388 5625d0606494bd36c218e8f9b765be4361cd016579223601f01c47b344121786.exe 1388 5625d0606494bd36c218e8f9b765be4361cd016579223601f01c47b344121786.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
5625d0606494bd36c218e8f9b765be4361cd016579223601f01c47b344121786.exedescription pid process target process PID 1388 wrote to memory of 4336 1388 5625d0606494bd36c218e8f9b765be4361cd016579223601f01c47b344121786.exe WerFault.exe PID 1388 wrote to memory of 4336 1388 5625d0606494bd36c218e8f9b765be4361cd016579223601f01c47b344121786.exe WerFault.exe PID 1388 wrote to memory of 4336 1388 5625d0606494bd36c218e8f9b765be4361cd016579223601f01c47b344121786.exe WerFault.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\5625d0606494bd36c218e8f9b765be4361cd016579223601f01c47b344121786.exe"C:\Users\Admin\AppData\Local\Temp\5625d0606494bd36c218e8f9b765be4361cd016579223601f01c47b344121786.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
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1388 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1388 -s 8402⤵
- Program crash
PID:4336 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1388 -s 8402⤵
- Program crash
PID:4608
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1388 -ip 13881⤵PID:2012
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C:\Windows\System32\rundll32.exeC:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding1⤵PID:1812