Analysis
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max time kernel
91s -
max time network
106s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
30/10/2022, 20:32
Static task
static1
Behavioral task
behavioral1
Sample
6575f998955413862891b9db73900178808d1cf97836473e7c2a84b2c546179b.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
6575f998955413862891b9db73900178808d1cf97836473e7c2a84b2c546179b.exe
Resource
win10v2004-20220812-en
General
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Target
6575f998955413862891b9db73900178808d1cf97836473e7c2a84b2c546179b.exe
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Size
152KB
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MD5
9229fa27474e3c5c1ed48945afa12210
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SHA1
f4ff4011979437e381304ce9371896e1a172f11c
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SHA256
6575f998955413862891b9db73900178808d1cf97836473e7c2a84b2c546179b
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SHA512
7e6f76dc1748d3062c0cce988da9390487cbed0d712e20cbc052ee7e555a0eaace2967544bf5d1bd5f7b322ef4703f3ff41eef72409bd90ca61c4ee8f7c71212
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SSDEEP
3072:D3CmAwS/8riSScBMSMVrNbtr2BJ3TET7FqU5z56b1v:D30wS0riSlVMZNRwJjc9hk1v
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-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1" 6575f998955413862891b9db73900178808d1cf97836473e7c2a84b2c546179b.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Key created \REGISTRY\MACHINE\software\WOW6432Node\Microsoft\Windows\CurrentVersion\run 6575f998955413862891b9db73900178808d1cf97836473e7c2a84b2c546179b.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) \??\Y: 6575f998955413862891b9db73900178808d1cf97836473e7c2a84b2c546179b.exe File opened (read-only) \??\T: 6575f998955413862891b9db73900178808d1cf97836473e7c2a84b2c546179b.exe File opened (read-only) \??\O: 6575f998955413862891b9db73900178808d1cf97836473e7c2a84b2c546179b.exe File opened (read-only) \??\J: 6575f998955413862891b9db73900178808d1cf97836473e7c2a84b2c546179b.exe File opened (read-only) \??\M: 6575f998955413862891b9db73900178808d1cf97836473e7c2a84b2c546179b.exe File opened (read-only) \??\L: 6575f998955413862891b9db73900178808d1cf97836473e7c2a84b2c546179b.exe File opened (read-only) \??\G: 6575f998955413862891b9db73900178808d1cf97836473e7c2a84b2c546179b.exe File opened (read-only) \??\Z: 6575f998955413862891b9db73900178808d1cf97836473e7c2a84b2c546179b.exe File opened (read-only) \??\X: 6575f998955413862891b9db73900178808d1cf97836473e7c2a84b2c546179b.exe File opened (read-only) \??\V: 6575f998955413862891b9db73900178808d1cf97836473e7c2a84b2c546179b.exe File opened (read-only) \??\U: 6575f998955413862891b9db73900178808d1cf97836473e7c2a84b2c546179b.exe File opened (read-only) \??\R: 6575f998955413862891b9db73900178808d1cf97836473e7c2a84b2c546179b.exe File opened (read-only) \??\H: 6575f998955413862891b9db73900178808d1cf97836473e7c2a84b2c546179b.exe File opened (read-only) \??\W: 6575f998955413862891b9db73900178808d1cf97836473e7c2a84b2c546179b.exe File opened (read-only) \??\Q: 6575f998955413862891b9db73900178808d1cf97836473e7c2a84b2c546179b.exe File opened (read-only) \??\P: 6575f998955413862891b9db73900178808d1cf97836473e7c2a84b2c546179b.exe File opened (read-only) \??\K: 6575f998955413862891b9db73900178808d1cf97836473e7c2a84b2c546179b.exe File opened (read-only) \??\I: 6575f998955413862891b9db73900178808d1cf97836473e7c2a84b2c546179b.exe File opened (read-only) \??\S: 6575f998955413862891b9db73900178808d1cf97836473e7c2a84b2c546179b.exe File opened (read-only) \??\N: 6575f998955413862891b9db73900178808d1cf97836473e7c2a84b2c546179b.exe File opened (read-only) \??\F: 6575f998955413862891b9db73900178808d1cf97836473e7c2a84b2c546179b.exe File opened (read-only) \??\E: 6575f998955413862891b9db73900178808d1cf97836473e7c2a84b2c546179b.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 6575f998955413862891b9db73900178808d1cf97836473e7c2a84b2c546179b.exe File opened for modification C:\Documents and Settings\Admin\Local Settings\Application Data\Microsoft\CD Burning\autorun.inf 6575f998955413862891b9db73900178808d1cf97836473e7c2a84b2c546179b.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 6575f998955413862891b9db73900178808d1cf97836473e7c2a84b2c546179b.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 1 IoCs
pid pid_target Process procid_target 1280 4972 WerFault.exe 79 -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000_Classes\Local Settings 6575f998955413862891b9db73900178808d1cf97836473e7c2a84b2c546179b.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4972 6575f998955413862891b9db73900178808d1cf97836473e7c2a84b2c546179b.exe 4972 6575f998955413862891b9db73900178808d1cf97836473e7c2a84b2c546179b.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\6575f998955413862891b9db73900178808d1cf97836473e7c2a84b2c546179b.exe"C:\Users\Admin\AppData\Local\Temp\6575f998955413862891b9db73900178808d1cf97836473e7c2a84b2c546179b.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
PID:4972 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4972 -s 10882⤵
- Program crash
PID:1280
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 208 -p 4972 -ip 49721⤵PID:4932
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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:5052