Analysis
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max time kernel
62s -
max time network
136s -
platform
windows7_x64 -
resource
win7v20210410 -
submitted
14-04-2021 06:42
General
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Target
wyooy@aol.com.exe
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Size
1.3MB
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MD5
645d774a869c582b2c46beed455321d4
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SHA1
e94862c25377373f54ce668051df0d95d3746514
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SHA256
21420b8630260dae7f0ea14a319a8b3ae6910def98599109b365f710e835b9c4
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SHA512
2c7cc053ed79e52f7e2ae508d2d832e6efa0b9a24dc71158fbc25d829c3d9ad8aa8f5c04e7fff94152dacc04cc1d7604da147ee201d900efcbcc62fe95f15b81
Score
10/10
Malware Config
Extracted
Path
C:\Users\Public\Desktop\Decrypt-me.txt
Ransom Note
All Your Files Has Been Encrypted
You Have to Pay to Get Your Files Back
1-Go to C:\ProgramData\ folder and send us prvkey*.txt.key file , * might be a number (like this : prvkey3.txt.key)
2-You can send some file little than 1mb for Decryption test to trust us But the test File should not contain valuable data
3-Payment should be with Bitcoin
4-Changing Windows without saving prvkey.txt.key file will cause permanete Data loss
Our Email:wyooy@tutanota.com
in Case of no Answer:wyooy@aol.com
Emails
Email:wyooy@tutanota.com
Answer:wyooy@aol.com
Signatures
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xmrig
XMRig is a high performance, open source, cross platform CPU/GPU miner.
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Drops file in Drivers directory 9 IoCs
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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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Drops file in System32 directory 64 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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Runs net.exe
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Suspicious behavior: EnumeratesProcesses 9 IoCs
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Suspicious use of WriteProcessMemory 64 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\wyooy@aol.com.exe"C:\Users\Admin\AppData\Local\Temp\wyooy@aol.com.exe"1⤵
- Drops file in Drivers directory
- 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
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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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⤵
- 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 vds2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\net.exenet stop vds3⤵
- Suspicious use of WriteProcessMemory
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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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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c net stop SQLWriter2⤵
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C:\Windows\SysWOW64\net.exenet stop SQLWriter3⤵
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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⤵
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C:\Windows\SysWOW64\net.exenet stop SQLBrowser3⤵
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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⤵
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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 MSSQL$CONTOSO12⤵
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C:\Windows\SysWOW64\net.exenet stop MSSQL$CONTOSO13⤵
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C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 stop MSSQL$CONTOSO14⤵
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C:\Windows\explorer.exe"C:\Windows\explorer.exe"1⤵
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C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x5701⤵
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C:\Windows\system32\NOTEPAD.EXE"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Public\Desktop\Decrypt-me.txt1⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Public\Desktop\Decrypt-me.txtMD5
9fb2e4621acbbc520e21de632778f6c3
SHA15dff477edace5d0633dbf50bf40d1467cb990347
SHA256a0b9230abf9594ed35a5b83aab32c6515f560ff6ed66e070a10ce107fcf3fb4d
SHA512fb3f71c005a2677deeefebd6019dd51aaf0e70235d87a78886e228113cd594f73b1860785d888b1c94cb9dc1c77344848f0cbf322a61d048fb99c9816c10f088
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memory/240-86-0x0000000000000000-mapping.dmp
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memory/268-74-0x0000000000000000-mapping.dmp
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memory/316-73-0x0000000000000000-mapping.dmp
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memory/576-76-0x0000000075971000-0x0000000075973000-memory.dmpFilesize
8KB
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memory/576-75-0x0000000000000000-mapping.dmp
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memory/616-85-0x0000000000000000-mapping.dmp
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memory/624-78-0x0000000000000000-mapping.dmp
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memory/748-84-0x0000000000000000-mapping.dmp
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memory/816-92-0x000007FEFBE41000-0x000007FEFBE43000-memory.dmpFilesize
8KB
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memory/816-81-0x0000000000000000-mapping.dmp
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memory/932-82-0x0000000000000000-mapping.dmp
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memory/1200-71-0x0000000000000000-mapping.dmp
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memory/1280-68-0x0000000000000000-mapping.dmp
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memory/1308-70-0x0000000000000000-mapping.dmp
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memory/1312-69-0x0000000000000000-mapping.dmp
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memory/1384-77-0x0000000000000000-mapping.dmp
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memory/1492-80-0x0000000000000000-mapping.dmp
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memory/1516-72-0x0000000000000000-mapping.dmp
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memory/1700-63-0x0000000000000000-mapping.dmp
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memory/1708-87-0x0000000000000000-mapping.dmp
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memory/1720-88-0x0000000000000000-mapping.dmp
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memory/1724-89-0x0000000000000000-mapping.dmp
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memory/1756-64-0x0000000000000000-mapping.dmp
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memory/1784-83-0x0000000000000000-mapping.dmp
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memory/1936-62-0x0000000000000000-mapping.dmp
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memory/1956-61-0x0000000000000000-mapping.dmp
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memory/1964-60-0x0000000000000000-mapping.dmp
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memory/1984-59-0x0000000000000000-mapping.dmp
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memory/2012-67-0x0000000000000000-mapping.dmp
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memory/2024-65-0x0000000000000000-mapping.dmp
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memory/2024-91-0x0000000000000000-mapping.dmp
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memory/2036-66-0x0000000000000000-mapping.dmp
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memory/2044-90-0x0000000000000000-mapping.dmp