Analysis
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max time kernel
145s -
max time network
166s -
platform
windows7_x64 -
resource
win7-en-20211208 -
submitted
24-01-2022 01:02
Static task
static1
Behavioral task
behavioral1
Sample
cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548.exe
Resource
win10-en-20211208
General
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Target
cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548.exe
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Size
207KB
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MD5
c0fecdafb51361897b96db9e291d97bc
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SHA1
14a565d9ec909f8fed5678dd2c4b2e3ea51e7800
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SHA256
cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548
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SHA512
0a4a9819f9373e1c566fdad74ad9c55dc3e2ba31030b31cb25ac21c9fb4432093a636773ac26c11ee313f2ba7af61872f29c4716c9e66c4d61767912a65aef3c
Malware Config
Extracted
C:\d370f8f-readme.txt
sodinokibi
http://aplebzu47wgazapdqks6vrcv6zcnjppkbxbr6wketf56nf6aq2nmyoyd.onion/6C023AA17F039BCD
http://decryptor.top/6C023AA17F039BCD
Signatures
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Sodin,Sodinokibi,REvil
Ransomware with advanced anti-analysis and privilege escalation functionality.
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Deletes shadow copies 2 TTPs
Ransomware often targets backup files to inhibit system recovery.
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Modifies extensions of user files 8 IoCs
Ransomware generally changes the extension on encrypted files.
Processes:
cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548.exedescription ioc process File renamed C:\Users\Admin\Pictures\MeasureMerge.raw => \??\c:\users\admin\pictures\MeasureMerge.raw.d370f8f cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548.exe File renamed C:\Users\Admin\Pictures\MergeUninstall.tif => \??\c:\users\admin\pictures\MergeUninstall.tif.d370f8f cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548.exe File renamed C:\Users\Admin\Pictures\UnblockExport.crw => \??\c:\users\admin\pictures\UnblockExport.crw.d370f8f cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548.exe File renamed C:\Users\Admin\Pictures\WatchSearch.png => \??\c:\users\admin\pictures\WatchSearch.png.d370f8f cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548.exe File renamed C:\Users\Admin\Pictures\CloseOut.tif => \??\c:\users\admin\pictures\CloseOut.tif.d370f8f cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548.exe File renamed C:\Users\Admin\Pictures\CloseSync.crw => \??\c:\users\admin\pictures\CloseSync.crw.d370f8f cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548.exe File renamed C:\Users\Admin\Pictures\EnterReceive.crw => \??\c:\users\admin\pictures\EnterReceive.crw.d370f8f cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548.exe File renamed C:\Users\Admin\Pictures\InitializeMeasure.png => \??\c:\users\admin\pictures\InitializeMeasure.png.d370f8f cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548.exe -
Drops desktop.ini file(s) 28 IoCs
Processes:
cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548.exedescription ioc process File opened for modification \??\c:\users\admin\videos\desktop.ini cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548.exe File opened for modification \??\c:\program files\desktop.ini cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548.exe File opened for modification \??\c:\users\admin\music\desktop.ini cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548.exe File opened for modification \??\c:\users\admin\pictures\desktop.ini cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548.exe File opened for modification \??\c:\users\admin\searches\desktop.ini cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548.exe File opened for modification \??\c:\users\public\videos\sample videos\desktop.ini cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548.exe File opened for modification \??\c:\users\public\pictures\sample pictures\desktop.ini cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548.exe File opened for modification \??\c:\program files (x86)\desktop.ini cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548.exe File opened for modification \??\c:\users\admin\favorites\desktop.ini cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548.exe File opened for modification \??\c:\users\admin\links\desktop.ini cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548.exe File opened for modification \??\c:\users\public\music\desktop.ini cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548.exe File opened for modification \??\c:\users\public\recorded tv\desktop.ini cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548.exe File opened for modification \??\c:\users\admin\favorites\links\desktop.ini cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548.exe File opened for modification \??\c:\users\admin\favorites\links for united states\desktop.ini cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548.exe File opened for modification \??\c:\users\public\desktop.ini cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548.exe File opened for modification \??\c:\users\admin\downloads\desktop.ini cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548.exe File opened for modification \??\c:\users\admin\saved games\desktop.ini cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548.exe File opened for modification \??\c:\users\public\downloads\desktop.ini cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548.exe File opened for modification \??\c:\users\admin\contacts\desktop.ini cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548.exe File opened for modification \??\c:\users\admin\desktop\desktop.ini cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548.exe File opened for modification \??\c:\users\public\videos\desktop.ini cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548.exe File opened for modification \??\c:\users\public\music\sample music\desktop.ini cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548.exe File opened for modification \??\c:\users\admin\documents\desktop.ini cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548.exe File opened for modification \??\c:\users\public\desktop\desktop.ini cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548.exe File opened for modification \??\c:\users\public\documents\desktop.ini cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548.exe File opened for modification \??\c:\users\public\libraries\desktop.ini cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548.exe File opened for modification \??\c:\users\public\pictures\desktop.ini cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548.exe File opened for modification \??\c:\users\public\recorded tv\sample media\desktop.ini cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548.exe -
Enumerates connected drives 3 TTPs 25 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548.exedescription ioc process File opened (read-only) \??\A: cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548.exe File opened (read-only) \??\M: cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548.exe File opened (read-only) \??\N: cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548.exe File opened (read-only) \??\W: cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548.exe File opened (read-only) \??\Y: cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548.exe File opened (read-only) \??\B: cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548.exe File opened (read-only) \??\F: cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548.exe File opened (read-only) \??\H: cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548.exe File opened (read-only) \??\J: cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548.exe File opened (read-only) \??\O: cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548.exe File opened (read-only) \??\Q: cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548.exe File opened (read-only) \??\I: cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548.exe File opened (read-only) \??\K: cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548.exe File opened (read-only) \??\L: cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548.exe File opened (read-only) \??\P: cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548.exe File opened (read-only) \??\U: cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548.exe File opened (read-only) \??\X: cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548.exe File opened (read-only) \??\Z: cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548.exe File opened (read-only) \??\E: cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548.exe File opened (read-only) \??\G: cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548.exe File opened (read-only) \??\R: cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548.exe File opened (read-only) \??\S: cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548.exe File opened (read-only) \??\T: cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548.exe File opened (read-only) \??\V: cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548.exe File opened (read-only) \??\D: cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548.exe -
Drops file in System32 directory 1 IoCs
Processes:
cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548.exedescription ioc process File opened for modification C:\Windows\System32\CatRoot2\dberr.txt cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548.exe -
Sets desktop wallpaper using registry 2 TTPs 1 IoCs
Processes:
cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\j586p7.bmp" cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548.exe -
Drops file in Program Files directory 39 IoCs
Processes:
cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548.exedescription ioc process File created \??\c:\program files\d370f8f-readme.txt cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548.exe File opened for modification \??\c:\program files\BlockConfirm.nfo cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548.exe File opened for modification \??\c:\program files\desktop.ini cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548.exe File opened for modification \??\c:\program files\UnblockPop.wpl cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548.exe File opened for modification \??\c:\program files\UnprotectSync.mpeg3 cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548.exe File opened for modification \??\c:\program files (x86)\desktop.ini cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548.exe File opened for modification \??\c:\program files\CompleteLimit.xht cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548.exe File opened for modification \??\c:\program files\GetTrace.ogg cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548.exe File opened for modification \??\c:\program files\InvokeReceive.temp cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548.exe File opened for modification \??\c:\program files\UnpublishPop.easmx cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548.exe File opened for modification \??\c:\program files\ClearRename.m4a cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548.exe File opened for modification \??\c:\program files\EnterWait.wax cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548.exe File opened for modification \??\c:\program files\FindPing.tif cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548.exe File opened for modification \??\c:\program files\RegisterDismount.jpg cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548.exe File opened for modification \??\c:\program files\ResumeShow.inf cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548.exe File opened for modification \??\c:\program files\RevokeMeasure.i64 cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548.exe File opened for modification \??\c:\program files\TraceJoin.fon cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548.exe File opened for modification \??\c:\program files\WriteGroup.xml cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548.exe File opened for modification \??\c:\program files\CheckpointSearch.aiff cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548.exe File opened for modification \??\c:\program files\DenyComplete.wmf cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548.exe File opened for modification \??\c:\program files\MountRepair.ex_ cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548.exe File opened for modification \??\c:\program files\RenameBlock.docx cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548.exe File opened for modification \??\c:\program files\SubmitRestore.midi cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548.exe File opened for modification \??\c:\program files\UnregisterReceive.csv cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548.exe File opened for modification \??\c:\program files\ConfirmDisconnect.3gp cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548.exe File opened for modification \??\c:\program files\EnableMeasure.csv cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548.exe File opened for modification \??\c:\program files\SetReset.3g2 cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548.exe File opened for modification \??\c:\program files\SyncCopy.AAC cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548.exe File created \??\c:\program files (x86)\microsoft sql server compact edition\v3.5\desktop\d370f8f-readme.txt cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548.exe File created \??\c:\program files (x86)\d370f8f-readme.txt cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548.exe File opened for modification \??\c:\program files\CompareTest.xlsx cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548.exe File opened for modification \??\c:\program files\ConvertFromJoin.mpe cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548.exe File opened for modification \??\c:\program files\ExportMove.php cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548.exe File opened for modification \??\c:\program files\PushInstall.tiff cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548.exe File opened for modification \??\c:\program files\UseFind.jpe cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548.exe File created \??\c:\program files (x86)\microsoft sql server compact edition\d370f8f-readme.txt cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548.exe File opened for modification \??\c:\program files\ClearConvert.pot cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548.exe File opened for modification \??\c:\program files\ConvertRename.xht cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548.exe File created \??\c:\program files (x86)\microsoft sql server compact edition\v3.5\d370f8f-readme.txt cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Interacts with shadow copies 2 TTPs 1 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
Processes:
vssadmin.exepid process 1020 vssadmin.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548.exepid process 1964 cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
vssvc.exedescription pid process Token: SeBackupPrivilege 1476 vssvc.exe Token: SeRestorePrivilege 1476 vssvc.exe Token: SeAuditPrivilege 1476 vssvc.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548.execmd.exedescription pid process target process PID 1964 wrote to memory of 844 1964 cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548.exe cmd.exe PID 1964 wrote to memory of 844 1964 cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548.exe cmd.exe PID 1964 wrote to memory of 844 1964 cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548.exe cmd.exe PID 1964 wrote to memory of 844 1964 cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548.exe cmd.exe PID 844 wrote to memory of 1020 844 cmd.exe vssadmin.exe PID 844 wrote to memory of 1020 844 cmd.exe vssadmin.exe PID 844 wrote to memory of 1020 844 cmd.exe vssadmin.exe PID 844 wrote to memory of 1020 844 cmd.exe vssadmin.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548.exe"C:\Users\Admin\AppData\Local\Temp\cd13042decd9fdee2d5826132fedbd0954087649288b6f76a84200d3d0905548.exe"1⤵
- Modifies extensions of user files
- Drops desktop.ini file(s)
- Enumerates connected drives
- Drops file in System32 directory
- Sets desktop wallpaper using registry
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c vssadmin.exe Delete Shadows /All /Quiet & bcdedit /set {default} recoveryenabled No & bcdedit /set {default} bootstatuspolicy ignoreallfailures2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\vssadmin.exevssadmin.exe Delete Shadows /All /Quiet3⤵
- Interacts with shadow copies
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C:\Windows\system32\wbem\unsecapp.exeC:\Windows\system32\wbem\unsecapp.exe -Embedding1⤵
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/1964-55-0x0000000074B21000-0x0000000074B23000-memory.dmpFilesize
8KB