Analysis
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max time kernel
119s -
max time network
138s -
platform
windows7_x64 -
resource
win7-en-20211208 -
submitted
24-01-2022 00:56
Static task
static1
Behavioral task
behavioral1
Sample
d7197385b0c0974393b22c837e9a41f052a3b5e8f0b320ebd13182b22275d678.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
d7197385b0c0974393b22c837e9a41f052a3b5e8f0b320ebd13182b22275d678.exe
Resource
win10-en-20211208
General
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Target
d7197385b0c0974393b22c837e9a41f052a3b5e8f0b320ebd13182b22275d678.exe
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Size
122KB
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MD5
f821ddcd4fbd0eb32c5094c4286aee26
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SHA1
6e0db38384f435d7a44589d44b46c65496d8fb29
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SHA256
d7197385b0c0974393b22c837e9a41f052a3b5e8f0b320ebd13182b22275d678
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SHA512
9be155c9fa4903950b755821384ec6f813b8c8a5893c866bcbcf394cca17b5896878e6fa6998b8b8d923e275c9c15d8fabad3d1b10940db6b802a040cd5a33a0
Malware Config
Extracted
C:\cn4l3c3z-readme.txt
http://aplebzu47wgazapdqks6vrcv6zcnjppkbxbr6wketf56nf6aq2nmyoyd.onion/889927CD386F04D5
http://decoder.re/889927CD386F04D5
Signatures
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Modifies Windows Firewall 1 TTPs
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Modifies extensions of user files 7 IoCs
Ransomware generally changes the extension on encrypted files.
Processes:
d7197385b0c0974393b22c837e9a41f052a3b5e8f0b320ebd13182b22275d678.exedescription ioc process File renamed C:\Users\Admin\Pictures\RenameStep.png => \??\c:\users\admin\pictures\RenameStep.png.cn4l3c3z d7197385b0c0974393b22c837e9a41f052a3b5e8f0b320ebd13182b22275d678.exe File renamed C:\Users\Admin\Pictures\StopInvoke.png => \??\c:\users\admin\pictures\StopInvoke.png.cn4l3c3z d7197385b0c0974393b22c837e9a41f052a3b5e8f0b320ebd13182b22275d678.exe File opened for modification \??\c:\users\admin\pictures\RenameRestart.tiff d7197385b0c0974393b22c837e9a41f052a3b5e8f0b320ebd13182b22275d678.exe File renamed C:\Users\Admin\Pictures\CompleteResolve.crw => \??\c:\users\admin\pictures\CompleteResolve.crw.cn4l3c3z d7197385b0c0974393b22c837e9a41f052a3b5e8f0b320ebd13182b22275d678.exe File renamed C:\Users\Admin\Pictures\ProtectConfirm.png => \??\c:\users\admin\pictures\ProtectConfirm.png.cn4l3c3z d7197385b0c0974393b22c837e9a41f052a3b5e8f0b320ebd13182b22275d678.exe File renamed C:\Users\Admin\Pictures\RegisterUninstall.png => \??\c:\users\admin\pictures\RegisterUninstall.png.cn4l3c3z d7197385b0c0974393b22c837e9a41f052a3b5e8f0b320ebd13182b22275d678.exe File renamed C:\Users\Admin\Pictures\RenameRestart.tiff => \??\c:\users\admin\pictures\RenameRestart.tiff.cn4l3c3z d7197385b0c0974393b22c837e9a41f052a3b5e8f0b320ebd13182b22275d678.exe -
Enumerates connected drives 3 TTPs 25 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
d7197385b0c0974393b22c837e9a41f052a3b5e8f0b320ebd13182b22275d678.exedescription ioc process File opened (read-only) \??\F: d7197385b0c0974393b22c837e9a41f052a3b5e8f0b320ebd13182b22275d678.exe File opened (read-only) \??\I: d7197385b0c0974393b22c837e9a41f052a3b5e8f0b320ebd13182b22275d678.exe File opened (read-only) \??\M: d7197385b0c0974393b22c837e9a41f052a3b5e8f0b320ebd13182b22275d678.exe File opened (read-only) \??\N: d7197385b0c0974393b22c837e9a41f052a3b5e8f0b320ebd13182b22275d678.exe File opened (read-only) \??\T: d7197385b0c0974393b22c837e9a41f052a3b5e8f0b320ebd13182b22275d678.exe File opened (read-only) \??\U: d7197385b0c0974393b22c837e9a41f052a3b5e8f0b320ebd13182b22275d678.exe File opened (read-only) \??\V: d7197385b0c0974393b22c837e9a41f052a3b5e8f0b320ebd13182b22275d678.exe File opened (read-only) \??\E: d7197385b0c0974393b22c837e9a41f052a3b5e8f0b320ebd13182b22275d678.exe File opened (read-only) \??\X: d7197385b0c0974393b22c837e9a41f052a3b5e8f0b320ebd13182b22275d678.exe File opened (read-only) \??\W: d7197385b0c0974393b22c837e9a41f052a3b5e8f0b320ebd13182b22275d678.exe File opened (read-only) \??\J: d7197385b0c0974393b22c837e9a41f052a3b5e8f0b320ebd13182b22275d678.exe File opened (read-only) \??\Q: d7197385b0c0974393b22c837e9a41f052a3b5e8f0b320ebd13182b22275d678.exe File opened (read-only) \??\H: d7197385b0c0974393b22c837e9a41f052a3b5e8f0b320ebd13182b22275d678.exe File opened (read-only) \??\B: d7197385b0c0974393b22c837e9a41f052a3b5e8f0b320ebd13182b22275d678.exe File opened (read-only) \??\K: d7197385b0c0974393b22c837e9a41f052a3b5e8f0b320ebd13182b22275d678.exe File opened (read-only) \??\L: d7197385b0c0974393b22c837e9a41f052a3b5e8f0b320ebd13182b22275d678.exe File opened (read-only) \??\P: d7197385b0c0974393b22c837e9a41f052a3b5e8f0b320ebd13182b22275d678.exe File opened (read-only) \??\Z: d7197385b0c0974393b22c837e9a41f052a3b5e8f0b320ebd13182b22275d678.exe File opened (read-only) \??\A: d7197385b0c0974393b22c837e9a41f052a3b5e8f0b320ebd13182b22275d678.exe File opened (read-only) \??\O: d7197385b0c0974393b22c837e9a41f052a3b5e8f0b320ebd13182b22275d678.exe File opened (read-only) \??\R: d7197385b0c0974393b22c837e9a41f052a3b5e8f0b320ebd13182b22275d678.exe File opened (read-only) \??\S: d7197385b0c0974393b22c837e9a41f052a3b5e8f0b320ebd13182b22275d678.exe File opened (read-only) \??\Y: d7197385b0c0974393b22c837e9a41f052a3b5e8f0b320ebd13182b22275d678.exe File opened (read-only) \??\D: d7197385b0c0974393b22c837e9a41f052a3b5e8f0b320ebd13182b22275d678.exe File opened (read-only) \??\G: d7197385b0c0974393b22c837e9a41f052a3b5e8f0b320ebd13182b22275d678.exe -
Sets desktop wallpaper using registry 2 TTPs 1 IoCs
Processes:
d7197385b0c0974393b22c837e9a41f052a3b5e8f0b320ebd13182b22275d678.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\s33799.bmp" d7197385b0c0974393b22c837e9a41f052a3b5e8f0b320ebd13182b22275d678.exe -
Drops file in Program Files directory 26 IoCs
Processes:
d7197385b0c0974393b22c837e9a41f052a3b5e8f0b320ebd13182b22275d678.exedescription ioc process File created \??\c:\program files (x86)\tmp d7197385b0c0974393b22c837e9a41f052a3b5e8f0b320ebd13182b22275d678.exe File opened for modification \??\c:\program files\InitializeSubmit.tif d7197385b0c0974393b22c837e9a41f052a3b5e8f0b320ebd13182b22275d678.exe File opened for modification \??\c:\program files\MountBackup.vstx d7197385b0c0974393b22c837e9a41f052a3b5e8f0b320ebd13182b22275d678.exe File opened for modification \??\c:\program files\SplitSkip.wav d7197385b0c0974393b22c837e9a41f052a3b5e8f0b320ebd13182b22275d678.exe File opened for modification \??\c:\program files\WatchRepair.mov d7197385b0c0974393b22c837e9a41f052a3b5e8f0b320ebd13182b22275d678.exe File created \??\c:\program files (x86)\microsoft sql server compact edition\v3.5\cn4l3c3z-readme.txt d7197385b0c0974393b22c837e9a41f052a3b5e8f0b320ebd13182b22275d678.exe File created \??\c:\program files (x86)\microsoft sql server compact edition\v3.5\desktop\tmp d7197385b0c0974393b22c837e9a41f052a3b5e8f0b320ebd13182b22275d678.exe File opened for modification \??\c:\program files\FindLock.vdx d7197385b0c0974393b22c837e9a41f052a3b5e8f0b320ebd13182b22275d678.exe File opened for modification \??\c:\program files\ResumeEnable.html d7197385b0c0974393b22c837e9a41f052a3b5e8f0b320ebd13182b22275d678.exe File opened for modification \??\c:\program files\UnprotectConvertTo.htm d7197385b0c0974393b22c837e9a41f052a3b5e8f0b320ebd13182b22275d678.exe File created \??\c:\program files (x86)\microsoft sql server compact edition\tmp d7197385b0c0974393b22c837e9a41f052a3b5e8f0b320ebd13182b22275d678.exe File created \??\c:\program files (x86)\microsoft sql server compact edition\v3.5\desktop\cn4l3c3z-readme.txt d7197385b0c0974393b22c837e9a41f052a3b5e8f0b320ebd13182b22275d678.exe File created \??\c:\program files\tmp d7197385b0c0974393b22c837e9a41f052a3b5e8f0b320ebd13182b22275d678.exe File opened for modification \??\c:\program files\RestartMount.ps1xml d7197385b0c0974393b22c837e9a41f052a3b5e8f0b320ebd13182b22275d678.exe File opened for modification \??\c:\program files\StopOpen.dwfx d7197385b0c0974393b22c837e9a41f052a3b5e8f0b320ebd13182b22275d678.exe File opened for modification \??\c:\program files\SwitchUnpublish.edrwx d7197385b0c0974393b22c837e9a41f052a3b5e8f0b320ebd13182b22275d678.exe File opened for modification \??\c:\program files\SyncWait.jfif d7197385b0c0974393b22c837e9a41f052a3b5e8f0b320ebd13182b22275d678.exe File created \??\c:\program files (x86)\microsoft sql server compact edition\cn4l3c3z-readme.txt d7197385b0c0974393b22c837e9a41f052a3b5e8f0b320ebd13182b22275d678.exe File created \??\c:\program files\cn4l3c3z-readme.txt d7197385b0c0974393b22c837e9a41f052a3b5e8f0b320ebd13182b22275d678.exe File created \??\c:\program files (x86)\cn4l3c3z-readme.txt d7197385b0c0974393b22c837e9a41f052a3b5e8f0b320ebd13182b22275d678.exe File opened for modification \??\c:\program files\ConfirmUnprotect.xltx d7197385b0c0974393b22c837e9a41f052a3b5e8f0b320ebd13182b22275d678.exe File opened for modification \??\c:\program files\ExpandExport.jpeg d7197385b0c0974393b22c837e9a41f052a3b5e8f0b320ebd13182b22275d678.exe File opened for modification \??\c:\program files\ExpandResolve.au d7197385b0c0974393b22c837e9a41f052a3b5e8f0b320ebd13182b22275d678.exe File opened for modification \??\c:\program files\FindHide.rtf d7197385b0c0974393b22c837e9a41f052a3b5e8f0b320ebd13182b22275d678.exe File opened for modification \??\c:\program files\StopBackup.htm d7197385b0c0974393b22c837e9a41f052a3b5e8f0b320ebd13182b22275d678.exe File created \??\c:\program files (x86)\microsoft sql server compact edition\v3.5\tmp d7197385b0c0974393b22c837e9a41f052a3b5e8f0b320ebd13182b22275d678.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 5 IoCs
Processes:
d7197385b0c0974393b22c837e9a41f052a3b5e8f0b320ebd13182b22275d678.exepid process 1568 d7197385b0c0974393b22c837e9a41f052a3b5e8f0b320ebd13182b22275d678.exe 1568 d7197385b0c0974393b22c837e9a41f052a3b5e8f0b320ebd13182b22275d678.exe 1568 d7197385b0c0974393b22c837e9a41f052a3b5e8f0b320ebd13182b22275d678.exe 1568 d7197385b0c0974393b22c837e9a41f052a3b5e8f0b320ebd13182b22275d678.exe 1568 d7197385b0c0974393b22c837e9a41f052a3b5e8f0b320ebd13182b22275d678.exe -
Suspicious use of AdjustPrivilegeToken 5 IoCs
Processes:
d7197385b0c0974393b22c837e9a41f052a3b5e8f0b320ebd13182b22275d678.exevssvc.exedescription pid process Token: SeDebugPrivilege 1568 d7197385b0c0974393b22c837e9a41f052a3b5e8f0b320ebd13182b22275d678.exe Token: SeTakeOwnershipPrivilege 1568 d7197385b0c0974393b22c837e9a41f052a3b5e8f0b320ebd13182b22275d678.exe Token: SeBackupPrivilege 1356 vssvc.exe Token: SeRestorePrivilege 1356 vssvc.exe Token: SeAuditPrivilege 1356 vssvc.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
d7197385b0c0974393b22c837e9a41f052a3b5e8f0b320ebd13182b22275d678.exedescription pid process target process PID 1568 wrote to memory of 1724 1568 d7197385b0c0974393b22c837e9a41f052a3b5e8f0b320ebd13182b22275d678.exe netsh.exe PID 1568 wrote to memory of 1724 1568 d7197385b0c0974393b22c837e9a41f052a3b5e8f0b320ebd13182b22275d678.exe netsh.exe PID 1568 wrote to memory of 1724 1568 d7197385b0c0974393b22c837e9a41f052a3b5e8f0b320ebd13182b22275d678.exe netsh.exe PID 1568 wrote to memory of 1724 1568 d7197385b0c0974393b22c837e9a41f052a3b5e8f0b320ebd13182b22275d678.exe netsh.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\d7197385b0c0974393b22c837e9a41f052a3b5e8f0b320ebd13182b22275d678.exe"C:\Users\Admin\AppData\Local\Temp\d7197385b0c0974393b22c837e9a41f052a3b5e8f0b320ebd13182b22275d678.exe"1⤵
- Modifies extensions of user files
- Enumerates connected drives
- Sets desktop wallpaper using registry
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1568 -
C:\Windows\SysWOW64\netsh.exenetsh advfirewall firewall set rule group="Network Discovery" new enable=Yes2⤵PID:1724
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C:\Windows\system32\wbem\unsecapp.exeC:\Windows\system32\wbem\unsecapp.exe -Embedding1⤵PID:1328
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1356
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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memory/1568-54-0x0000000075B51000-0x0000000075B53000-memory.dmpFilesize
8KB