Analysis
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max time kernel
30s -
max time network
138s -
platform
windows10_x64 -
resource
win10 -
submitted
06-07-2020 08:58
General
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Target
decoderma@tutanota.com.exe
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Size
998KB
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MD5
7bc5183b207888e9c01193fe2f1d0976
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SHA1
e679f69eb28ab3462cc308143d9d372b40d936d1
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SHA256
9e3d7b2163b865375d1b14a37c9130c55b9de8a6eb74b54f0d6f1a8b820eceae
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SHA512
ce38603c3e21a716124bc4cc627f3c983685849625ec2cec5a1391eb904a84dff8681204cc3944c73e19c4398ed37fb8658927ed0f953c037afea98eea989aaf
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) 64 IoCs
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Legitimate hosting services abused for malware hosting/C2 1 TTPs
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Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
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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 64 IoCs
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Drops file in Windows directory 64 IoCs
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NTFS ADS 51 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 64 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\decoderma@tutanota.com.exe"C:\Users\Admin\AppData\Local\Temp\decoderma@tutanota.com.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⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/392-14-0x0000000000000000-mapping.dmp
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memory/1608-21-0x0000000000000000-mapping.dmp
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memory/1768-23-0x0000000000000000-mapping.dmp
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memory/1812-19-0x0000000000000000-mapping.dmp
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memory/2064-28-0x0000000000000000-mapping.dmp
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memory/2096-12-0x0000000000000000-mapping.dmp
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memory/2164-13-0x0000000000000000-mapping.dmp
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memory/2268-25-0x0000000000000000-mapping.dmp
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memory/2596-22-0x0000000000000000-mapping.dmp
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memory/2600-7-0x0000000000000000-mapping.dmp
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memory/2640-26-0x0000000000000000-mapping.dmp
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memory/3008-11-0x0000000000000000-mapping.dmp
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memory/3016-8-0x0000000000000000-mapping.dmp
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memory/3100-35-0x0000000001EF0000-0x0000000001EF1000-memory.dmpFilesize
4KB
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memory/3100-36-0x00000000026F0000-0x00000000026F1000-memory.dmpFilesize
4KB
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memory/3100-32-0x00000000026F0000-0x00000000026F1000-memory.dmpFilesize
4KB
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memory/3100-31-0x0000000001EF0000-0x0000000001EF1000-memory.dmpFilesize
4KB
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memory/3100-33-0x0000000001EF0000-0x0000000001EF1000-memory.dmpFilesize
4KB
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memory/3100-34-0x00000000026F0000-0x00000000026F1000-memory.dmpFilesize
4KB
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memory/3100-48-0x00000000026F0000-0x00000000026F1000-memory.dmpFilesize
4KB
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memory/3164-24-0x0000000000000000-mapping.dmp
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memory/3276-2-0x0000000000000000-mapping.dmp
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memory/3292-0-0x0000000000000000-mapping.dmp
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memory/3384-1-0x0000000000000000-mapping.dmp
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memory/3384-17-0x0000000000000000-mapping.dmp
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memory/3448-4-0x0000000000000000-mapping.dmp
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memory/3504-5-0x0000000000000000-mapping.dmp
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memory/3584-6-0x0000000000000000-mapping.dmp
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memory/3600-20-0x0000000000000000-mapping.dmp
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memory/3612-9-0x0000000000000000-mapping.dmp
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memory/3668-10-0x0000000000000000-mapping.dmp
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memory/3740-29-0x0000000000000000-mapping.dmp
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memory/3796-18-0x0000000000000000-mapping.dmp
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memory/3800-15-0x0000000000000000-mapping.dmp
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memory/3836-16-0x0000000000000000-mapping.dmp
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memory/3928-3-0x0000000000000000-mapping.dmp
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memory/3932-30-0x0000000000000000-mapping.dmp
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memory/3984-27-0x0000000000000000-mapping.dmp