Analysis
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max time kernel
152s -
max time network
160s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
29/10/2022, 16:36
Static task
static1
Behavioral task
behavioral1
Sample
01b38f912fa12fed90ad9e5173b9544ed9e715c5bcb97aaa543cf6a8e581b117.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
01b38f912fa12fed90ad9e5173b9544ed9e715c5bcb97aaa543cf6a8e581b117.exe
Resource
win10v2004-20220812-en
General
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Target
01b38f912fa12fed90ad9e5173b9544ed9e715c5bcb97aaa543cf6a8e581b117.exe
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Size
157KB
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MD5
53821700b175d3820206a2c5e6e75cf0
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SHA1
7459ecfcecaf59deb7d461886088505ee2904e69
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SHA256
01b38f912fa12fed90ad9e5173b9544ed9e715c5bcb97aaa543cf6a8e581b117
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SHA512
7eabbea16d59726f27fd05a1bf6975b7151efcfa845b4babdd73575e94b319032af4df5b382bf2d3116c5e1793ba56c501e150dae8ec1e4c7864bf2e6a032f12
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SSDEEP
3072:/7/64aQcwAAvVydHXjZISJ5GCSYkJ+CB+YaNyRlsK:76avsdHzySivFBU8vd
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-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1" 01b38f912fa12fed90ad9e5173b9544ed9e715c5bcb97aaa543cf6a8e581b117.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Key created \REGISTRY\MACHINE\software\WOW6432Node\Microsoft\Windows\CurrentVersion\run 01b38f912fa12fed90ad9e5173b9544ed9e715c5bcb97aaa543cf6a8e581b117.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) \??\T: 01b38f912fa12fed90ad9e5173b9544ed9e715c5bcb97aaa543cf6a8e581b117.exe File opened (read-only) \??\R: 01b38f912fa12fed90ad9e5173b9544ed9e715c5bcb97aaa543cf6a8e581b117.exe File opened (read-only) \??\H: 01b38f912fa12fed90ad9e5173b9544ed9e715c5bcb97aaa543cf6a8e581b117.exe File opened (read-only) \??\Z: 01b38f912fa12fed90ad9e5173b9544ed9e715c5bcb97aaa543cf6a8e581b117.exe File opened (read-only) \??\X: 01b38f912fa12fed90ad9e5173b9544ed9e715c5bcb97aaa543cf6a8e581b117.exe File opened (read-only) \??\S: 01b38f912fa12fed90ad9e5173b9544ed9e715c5bcb97aaa543cf6a8e581b117.exe File opened (read-only) \??\P: 01b38f912fa12fed90ad9e5173b9544ed9e715c5bcb97aaa543cf6a8e581b117.exe File opened (read-only) \??\K: 01b38f912fa12fed90ad9e5173b9544ed9e715c5bcb97aaa543cf6a8e581b117.exe File opened (read-only) \??\G: 01b38f912fa12fed90ad9e5173b9544ed9e715c5bcb97aaa543cf6a8e581b117.exe File opened (read-only) \??\E: 01b38f912fa12fed90ad9e5173b9544ed9e715c5bcb97aaa543cf6a8e581b117.exe File opened (read-only) \??\Y: 01b38f912fa12fed90ad9e5173b9544ed9e715c5bcb97aaa543cf6a8e581b117.exe File opened (read-only) \??\V: 01b38f912fa12fed90ad9e5173b9544ed9e715c5bcb97aaa543cf6a8e581b117.exe File opened (read-only) \??\N: 01b38f912fa12fed90ad9e5173b9544ed9e715c5bcb97aaa543cf6a8e581b117.exe File opened (read-only) \??\U: 01b38f912fa12fed90ad9e5173b9544ed9e715c5bcb97aaa543cf6a8e581b117.exe File opened (read-only) \??\O: 01b38f912fa12fed90ad9e5173b9544ed9e715c5bcb97aaa543cf6a8e581b117.exe File opened (read-only) \??\M: 01b38f912fa12fed90ad9e5173b9544ed9e715c5bcb97aaa543cf6a8e581b117.exe File opened (read-only) \??\L: 01b38f912fa12fed90ad9e5173b9544ed9e715c5bcb97aaa543cf6a8e581b117.exe File opened (read-only) \??\J: 01b38f912fa12fed90ad9e5173b9544ed9e715c5bcb97aaa543cf6a8e581b117.exe File opened (read-only) \??\I: 01b38f912fa12fed90ad9e5173b9544ed9e715c5bcb97aaa543cf6a8e581b117.exe File opened (read-only) \??\F: 01b38f912fa12fed90ad9e5173b9544ed9e715c5bcb97aaa543cf6a8e581b117.exe File opened (read-only) \??\W: 01b38f912fa12fed90ad9e5173b9544ed9e715c5bcb97aaa543cf6a8e581b117.exe File opened (read-only) \??\Q: 01b38f912fa12fed90ad9e5173b9544ed9e715c5bcb97aaa543cf6a8e581b117.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 01b38f912fa12fed90ad9e5173b9544ed9e715c5bcb97aaa543cf6a8e581b117.exe File opened for modification C:\Documents and Settings\Admin\Local Settings\Application Data\Microsoft\CD Burning\autorun.inf 01b38f912fa12fed90ad9e5173b9544ed9e715c5bcb97aaa543cf6a8e581b117.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 01b38f912fa12fed90ad9e5173b9544ed9e715c5bcb97aaa543cf6a8e581b117.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 1140 1492 WerFault.exe 77 -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString winword.exe Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 winword.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz winword.exe -
Enumerates system info in registry 2 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS winword.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily winword.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU winword.exe -
Suspicious behavior: AddClipboardFormatListener 2 IoCs
pid Process 2224 winword.exe 2224 winword.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1492 01b38f912fa12fed90ad9e5173b9544ed9e715c5bcb97aaa543cf6a8e581b117.exe 1492 01b38f912fa12fed90ad9e5173b9544ed9e715c5bcb97aaa543cf6a8e581b117.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 2224 winword.exe 2224 winword.exe 2224 winword.exe 2224 winword.exe 2224 winword.exe 2224 winword.exe -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 1492 wrote to memory of 2224 1492 01b38f912fa12fed90ad9e5173b9544ed9e715c5bcb97aaa543cf6a8e581b117.exe 81 PID 1492 wrote to memory of 2224 1492 01b38f912fa12fed90ad9e5173b9544ed9e715c5bcb97aaa543cf6a8e581b117.exe 81
Processes
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C:\Users\Admin\AppData\Local\Temp\01b38f912fa12fed90ad9e5173b9544ed9e715c5bcb97aaa543cf6a8e581b117.exe"C:\Users\Admin\AppData\Local\Temp\01b38f912fa12fed90ad9e5173b9544ed9e715c5bcb97aaa543cf6a8e581b117.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
- Suspicious use of WriteProcessMemory
PID:1492 -
C:\Program Files\Microsoft Office\Root\Office16\winword.exe"C:\Program Files\Microsoft Office\Root\Office16\winword.exe"2⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:2224
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1492 -s 7722⤵
- Program crash
PID:1140
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1492 -ip 14921⤵PID:4800