Analysis
-
max time kernel
166s -
max time network
141s -
platform
windows10_x64 -
resource
win10-en-20211208 -
submitted
24-01-2022 02:10
Static task
static1
Behavioral task
behavioral1
Sample
47708edefef1f44c7a184cbb6321ac07db94674a5e86677889aca17260bfbea6.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
47708edefef1f44c7a184cbb6321ac07db94674a5e86677889aca17260bfbea6.exe
Resource
win10-en-20211208
General
-
Target
47708edefef1f44c7a184cbb6321ac07db94674a5e86677889aca17260bfbea6.exe
-
Size
179KB
-
MD5
e855a49e25dee70e5892e68763a49068
-
SHA1
debe819e9a0641849cdabf9504b586d3886fb1bf
-
SHA256
47708edefef1f44c7a184cbb6321ac07db94674a5e86677889aca17260bfbea6
-
SHA512
00916f646370663c4584147178ed6ad91ffe504377909c3f6e430dbf6c9cb2e1e78ec9fc4978b8583e24525915d0c61e3f559c92a45ca54f8a337cebc5a15bfb
Malware Config
Extracted
C:\fn5x7-readme.txt
sodinokibi
http://aplebzu47wgazapdqks6vrcv6zcnjppkbxbr6wketf56nf6aq2nmyoyd.onion/0C8BEB783926DA1E
http://decryptor.top/0C8BEB783926DA1E
Signatures
-
Sodin,Sodinokibi,REvil
Ransomware with advanced anti-analysis and privilege escalation functionality.
-
Deletes shadow copies 2 TTPs
Ransomware often targets backup files to inhibit system recovery.
-
Modifies extensions of user files 5 IoCs
Ransomware generally changes the extension on encrypted files.
Processes:
47708edefef1f44c7a184cbb6321ac07db94674a5e86677889aca17260bfbea6.exedescription ioc process File renamed C:\Users\Admin\Pictures\JoinConvert.tif => \??\c:\users\admin\pictures\JoinConvert.tif.fn5x7 47708edefef1f44c7a184cbb6321ac07db94674a5e86677889aca17260bfbea6.exe File renamed C:\Users\Admin\Pictures\RepairOpen.crw => \??\c:\users\admin\pictures\RepairOpen.crw.fn5x7 47708edefef1f44c7a184cbb6321ac07db94674a5e86677889aca17260bfbea6.exe File renamed C:\Users\Admin\Pictures\SelectDisable.crw => \??\c:\users\admin\pictures\SelectDisable.crw.fn5x7 47708edefef1f44c7a184cbb6321ac07db94674a5e86677889aca17260bfbea6.exe File renamed C:\Users\Admin\Pictures\StopSend.raw => \??\c:\users\admin\pictures\StopSend.raw.fn5x7 47708edefef1f44c7a184cbb6321ac07db94674a5e86677889aca17260bfbea6.exe File renamed C:\Users\Admin\Pictures\SyncWatch.tif => \??\c:\users\admin\pictures\SyncWatch.tif.fn5x7 47708edefef1f44c7a184cbb6321ac07db94674a5e86677889aca17260bfbea6.exe -
Enumerates connected drives 3 TTPs 24 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
47708edefef1f44c7a184cbb6321ac07db94674a5e86677889aca17260bfbea6.exedescription ioc process File opened (read-only) \??\A: 47708edefef1f44c7a184cbb6321ac07db94674a5e86677889aca17260bfbea6.exe File opened (read-only) \??\F: 47708edefef1f44c7a184cbb6321ac07db94674a5e86677889aca17260bfbea6.exe File opened (read-only) \??\Q: 47708edefef1f44c7a184cbb6321ac07db94674a5e86677889aca17260bfbea6.exe File opened (read-only) \??\Y: 47708edefef1f44c7a184cbb6321ac07db94674a5e86677889aca17260bfbea6.exe File opened (read-only) \??\S: 47708edefef1f44c7a184cbb6321ac07db94674a5e86677889aca17260bfbea6.exe File opened (read-only) \??\U: 47708edefef1f44c7a184cbb6321ac07db94674a5e86677889aca17260bfbea6.exe File opened (read-only) \??\H: 47708edefef1f44c7a184cbb6321ac07db94674a5e86677889aca17260bfbea6.exe File opened (read-only) \??\K: 47708edefef1f44c7a184cbb6321ac07db94674a5e86677889aca17260bfbea6.exe File opened (read-only) \??\N: 47708edefef1f44c7a184cbb6321ac07db94674a5e86677889aca17260bfbea6.exe File opened (read-only) \??\P: 47708edefef1f44c7a184cbb6321ac07db94674a5e86677889aca17260bfbea6.exe File opened (read-only) \??\M: 47708edefef1f44c7a184cbb6321ac07db94674a5e86677889aca17260bfbea6.exe File opened (read-only) \??\O: 47708edefef1f44c7a184cbb6321ac07db94674a5e86677889aca17260bfbea6.exe File opened (read-only) \??\T: 47708edefef1f44c7a184cbb6321ac07db94674a5e86677889aca17260bfbea6.exe File opened (read-only) \??\V: 47708edefef1f44c7a184cbb6321ac07db94674a5e86677889aca17260bfbea6.exe File opened (read-only) \??\B: 47708edefef1f44c7a184cbb6321ac07db94674a5e86677889aca17260bfbea6.exe File opened (read-only) \??\G: 47708edefef1f44c7a184cbb6321ac07db94674a5e86677889aca17260bfbea6.exe File opened (read-only) \??\I: 47708edefef1f44c7a184cbb6321ac07db94674a5e86677889aca17260bfbea6.exe File opened (read-only) \??\J: 47708edefef1f44c7a184cbb6321ac07db94674a5e86677889aca17260bfbea6.exe File opened (read-only) \??\W: 47708edefef1f44c7a184cbb6321ac07db94674a5e86677889aca17260bfbea6.exe File opened (read-only) \??\X: 47708edefef1f44c7a184cbb6321ac07db94674a5e86677889aca17260bfbea6.exe File opened (read-only) \??\E: 47708edefef1f44c7a184cbb6321ac07db94674a5e86677889aca17260bfbea6.exe File opened (read-only) \??\L: 47708edefef1f44c7a184cbb6321ac07db94674a5e86677889aca17260bfbea6.exe File opened (read-only) \??\R: 47708edefef1f44c7a184cbb6321ac07db94674a5e86677889aca17260bfbea6.exe File opened (read-only) \??\Z: 47708edefef1f44c7a184cbb6321ac07db94674a5e86677889aca17260bfbea6.exe -
Drops file in Program Files directory 34 IoCs
Processes:
47708edefef1f44c7a184cbb6321ac07db94674a5e86677889aca17260bfbea6.exedescription ioc process File opened for modification \??\c:\program files\UnblockOut.vbs 47708edefef1f44c7a184cbb6321ac07db94674a5e86677889aca17260bfbea6.exe File opened for modification \??\c:\program files\UnlockWait.mp4 47708edefef1f44c7a184cbb6321ac07db94674a5e86677889aca17260bfbea6.exe File opened for modification \??\c:\program files\GrantBlock.wvx 47708edefef1f44c7a184cbb6321ac07db94674a5e86677889aca17260bfbea6.exe File opened for modification \??\c:\program files\ExportAssert.vsw 47708edefef1f44c7a184cbb6321ac07db94674a5e86677889aca17260bfbea6.exe File opened for modification \??\c:\program files\ExportGrant.ADT 47708edefef1f44c7a184cbb6321ac07db94674a5e86677889aca17260bfbea6.exe File opened for modification \??\c:\program files\GroupConnect.csv 47708edefef1f44c7a184cbb6321ac07db94674a5e86677889aca17260bfbea6.exe File opened for modification \??\c:\program files\MoveUndo.mp4 47708edefef1f44c7a184cbb6321ac07db94674a5e86677889aca17260bfbea6.exe File opened for modification \??\c:\program files\PopConfirm.vbs 47708edefef1f44c7a184cbb6321ac07db94674a5e86677889aca17260bfbea6.exe File opened for modification \??\c:\program files\CompareRepair.ico 47708edefef1f44c7a184cbb6321ac07db94674a5e86677889aca17260bfbea6.exe File opened for modification \??\c:\program files\RestartExit.otf 47708edefef1f44c7a184cbb6321ac07db94674a5e86677889aca17260bfbea6.exe File opened for modification \??\c:\program files\UnlockFormat.rtf 47708edefef1f44c7a184cbb6321ac07db94674a5e86677889aca17260bfbea6.exe File opened for modification \??\c:\program files\ConvertFromReset.3g2 47708edefef1f44c7a184cbb6321ac07db94674a5e86677889aca17260bfbea6.exe File opened for modification \??\c:\program files\GroupExport.vstm 47708edefef1f44c7a184cbb6321ac07db94674a5e86677889aca17260bfbea6.exe File opened for modification \??\c:\program files\ImportOut.rle 47708edefef1f44c7a184cbb6321ac07db94674a5e86677889aca17260bfbea6.exe File opened for modification \??\c:\program files\StepAssert.mp4v 47708edefef1f44c7a184cbb6321ac07db94674a5e86677889aca17260bfbea6.exe File opened for modification \??\c:\program files\SyncMerge.lock 47708edefef1f44c7a184cbb6321ac07db94674a5e86677889aca17260bfbea6.exe File opened for modification \??\c:\program files\EnterLock.mp4v 47708edefef1f44c7a184cbb6321ac07db94674a5e86677889aca17260bfbea6.exe File opened for modification \??\c:\program files\MeasureRemove.inf 47708edefef1f44c7a184cbb6321ac07db94674a5e86677889aca17260bfbea6.exe File opened for modification \??\c:\program files\OpenPop.docx 47708edefef1f44c7a184cbb6321ac07db94674a5e86677889aca17260bfbea6.exe File opened for modification \??\c:\program files\RestartJoin.zip 47708edefef1f44c7a184cbb6321ac07db94674a5e86677889aca17260bfbea6.exe File opened for modification \??\c:\program files\SplitInitialize.mp4v 47708edefef1f44c7a184cbb6321ac07db94674a5e86677889aca17260bfbea6.exe File opened for modification \??\c:\program files\BackupMeasure.wmx 47708edefef1f44c7a184cbb6321ac07db94674a5e86677889aca17260bfbea6.exe File opened for modification \??\c:\program files\FindEnable.wvx 47708edefef1f44c7a184cbb6321ac07db94674a5e86677889aca17260bfbea6.exe File opened for modification \??\c:\program files\ResetUpdate.lnk 47708edefef1f44c7a184cbb6321ac07db94674a5e86677889aca17260bfbea6.exe File opened for modification \??\c:\program files\SuspendSend.m1v 47708edefef1f44c7a184cbb6321ac07db94674a5e86677889aca17260bfbea6.exe File created \??\c:\program files\fn5x7-readme.txt 47708edefef1f44c7a184cbb6321ac07db94674a5e86677889aca17260bfbea6.exe File opened for modification \??\c:\program files\CompressSelect.au 47708edefef1f44c7a184cbb6321ac07db94674a5e86677889aca17260bfbea6.exe File opened for modification \??\c:\program files\ResumeConvert.emf 47708edefef1f44c7a184cbb6321ac07db94674a5e86677889aca17260bfbea6.exe File opened for modification \??\c:\program files\SaveDisconnect.i64 47708edefef1f44c7a184cbb6321ac07db94674a5e86677889aca17260bfbea6.exe File created \??\c:\program files (x86)\fn5x7-readme.txt 47708edefef1f44c7a184cbb6321ac07db94674a5e86677889aca17260bfbea6.exe File opened for modification \??\c:\program files\ReadConvertTo.rmi 47708edefef1f44c7a184cbb6321ac07db94674a5e86677889aca17260bfbea6.exe File opened for modification \??\c:\program files\SelectClose.htm 47708edefef1f44c7a184cbb6321ac07db94674a5e86677889aca17260bfbea6.exe File opened for modification \??\c:\program files\ShowInvoke.wmx 47708edefef1f44c7a184cbb6321ac07db94674a5e86677889aca17260bfbea6.exe File opened for modification \??\c:\program files\PublishSwitch.xlsb 47708edefef1f44c7a184cbb6321ac07db94674a5e86677889aca17260bfbea6.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Interacts with shadow copies 2 TTPs 1 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
Processes:
vssadmin.exepid process 2244 vssadmin.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
47708edefef1f44c7a184cbb6321ac07db94674a5e86677889aca17260bfbea6.exepid process 1140 47708edefef1f44c7a184cbb6321ac07db94674a5e86677889aca17260bfbea6.exe 1140 47708edefef1f44c7a184cbb6321ac07db94674a5e86677889aca17260bfbea6.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
vssvc.exedescription pid process Token: SeBackupPrivilege 2400 vssvc.exe Token: SeRestorePrivilege 2400 vssvc.exe Token: SeAuditPrivilege 2400 vssvc.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
47708edefef1f44c7a184cbb6321ac07db94674a5e86677889aca17260bfbea6.execmd.exedescription pid process target process PID 1140 wrote to memory of 592 1140 47708edefef1f44c7a184cbb6321ac07db94674a5e86677889aca17260bfbea6.exe cmd.exe PID 1140 wrote to memory of 592 1140 47708edefef1f44c7a184cbb6321ac07db94674a5e86677889aca17260bfbea6.exe cmd.exe PID 1140 wrote to memory of 592 1140 47708edefef1f44c7a184cbb6321ac07db94674a5e86677889aca17260bfbea6.exe cmd.exe PID 592 wrote to memory of 2244 592 cmd.exe vssadmin.exe PID 592 wrote to memory of 2244 592 cmd.exe vssadmin.exe PID 592 wrote to memory of 2244 592 cmd.exe vssadmin.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\47708edefef1f44c7a184cbb6321ac07db94674a5e86677889aca17260bfbea6.exe"C:\Users\Admin\AppData\Local\Temp\47708edefef1f44c7a184cbb6321ac07db94674a5e86677889aca17260bfbea6.exe"1⤵
- Modifies extensions of user files
- Enumerates connected drives
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
-
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
-
C:\Windows\SysWOW64\vssadmin.exevssadmin.exe Delete Shadows /All /Quiet3⤵
- Interacts with shadow copies
-
C:\Windows\system32\wbem\unsecapp.exeC:\Windows\system32\wbem\unsecapp.exe -Embedding1⤵
-
C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken