Analysis
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max time kernel
150s -
max time network
149s -
platform
windows10_x64 -
resource
win10v20201028 -
submitted
07-02-2021 13:48
Static task
static1
Behavioral task
behavioral1
Sample
f4f73a451c1ec493eb3b4395d06de73598fcf5b8f7d13e81418238824d90fda3.bin.exe
Resource
win7v20201028
Behavioral task
behavioral2
Sample
f4f73a451c1ec493eb3b4395d06de73598fcf5b8f7d13e81418238824d90fda3.bin.exe
Resource
win10v20201028
General
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Target
f4f73a451c1ec493eb3b4395d06de73598fcf5b8f7d13e81418238824d90fda3.bin.exe
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Size
118KB
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MD5
8a6c49fe4ea20484411093997d7ebf19
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SHA1
05cf02f7f79f4dda97ffdc60da9171ec0699bc68
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SHA256
f4f73a451c1ec493eb3b4395d06de73598fcf5b8f7d13e81418238824d90fda3
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SHA512
6a8519cb92c1beade84792bd648d67ed2022b13099d663d066228114772c0797653053285d3c3a515050e9ff1e7561392628e7d21b8ed11bc734f7758a4d1d07
Malware Config
Extracted
C:\s98g1x6-readme.txt
sodinokibi
http://aplebzu47wgazapdqks6vrcv6zcnjppkbxbr6wketf56nf6aq2nmyoyd.onion/80738617A6B16F69
http://decoder.re/80738617A6B16F69
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 11 IoCs
Ransomware generally changes the extension on encrypted files.
Processes:
f4f73a451c1ec493eb3b4395d06de73598fcf5b8f7d13e81418238824d90fda3.bin.exedescription ioc process File opened for modification \??\c:\users\admin\pictures\GetPop.tiff f4f73a451c1ec493eb3b4395d06de73598fcf5b8f7d13e81418238824d90fda3.bin.exe File renamed C:\Users\Admin\Pictures\GetPop.tiff => \??\c:\users\admin\pictures\GetPop.tiff.s98g1x6 f4f73a451c1ec493eb3b4395d06de73598fcf5b8f7d13e81418238824d90fda3.bin.exe File renamed C:\Users\Admin\Pictures\RemoveInitialize.raw => \??\c:\users\admin\pictures\RemoveInitialize.raw.s98g1x6 f4f73a451c1ec493eb3b4395d06de73598fcf5b8f7d13e81418238824d90fda3.bin.exe File renamed C:\Users\Admin\Pictures\RestartClose.tiff => \??\c:\users\admin\pictures\RestartClose.tiff.s98g1x6 f4f73a451c1ec493eb3b4395d06de73598fcf5b8f7d13e81418238824d90fda3.bin.exe File renamed C:\Users\Admin\Pictures\SendConvertFrom.png => \??\c:\users\admin\pictures\SendConvertFrom.png.s98g1x6 f4f73a451c1ec493eb3b4395d06de73598fcf5b8f7d13e81418238824d90fda3.bin.exe File renamed C:\Users\Admin\Pictures\UseRegister.crw => \??\c:\users\admin\pictures\UseRegister.crw.s98g1x6 f4f73a451c1ec493eb3b4395d06de73598fcf5b8f7d13e81418238824d90fda3.bin.exe File opened for modification \??\c:\users\admin\pictures\ConfirmSync.tiff f4f73a451c1ec493eb3b4395d06de73598fcf5b8f7d13e81418238824d90fda3.bin.exe File renamed C:\Users\Admin\Pictures\ConfirmSync.tiff => \??\c:\users\admin\pictures\ConfirmSync.tiff.s98g1x6 f4f73a451c1ec493eb3b4395d06de73598fcf5b8f7d13e81418238824d90fda3.bin.exe File renamed C:\Users\Admin\Pictures\GetStop.png => \??\c:\users\admin\pictures\GetStop.png.s98g1x6 f4f73a451c1ec493eb3b4395d06de73598fcf5b8f7d13e81418238824d90fda3.bin.exe File opened for modification \??\c:\users\admin\pictures\RestartClose.tiff f4f73a451c1ec493eb3b4395d06de73598fcf5b8f7d13e81418238824d90fda3.bin.exe File renamed C:\Users\Admin\Pictures\CompareEnter.raw => \??\c:\users\admin\pictures\CompareEnter.raw.s98g1x6 f4f73a451c1ec493eb3b4395d06de73598fcf5b8f7d13e81418238824d90fda3.bin.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Adds Run key to start application 2 TTPs 2 IoCs
Processes:
f4f73a451c1ec493eb3b4395d06de73598fcf5b8f7d13e81418238824d90fda3.bin.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run f4f73a451c1ec493eb3b4395d06de73598fcf5b8f7d13e81418238824d90fda3.bin.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\1E8NAmhfRO = "C:\\Users\\Admin\\AppData\\Local\\Temp\\f4f73a451c1ec493eb3b4395d06de73598fcf5b8f7d13e81418238824d90fda3.bin.exe" f4f73a451c1ec493eb3b4395d06de73598fcf5b8f7d13e81418238824d90fda3.bin.exe -
Enumerates connected drives 3 TTPs 25 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
f4f73a451c1ec493eb3b4395d06de73598fcf5b8f7d13e81418238824d90fda3.bin.exedescription ioc process File opened (read-only) \??\S: f4f73a451c1ec493eb3b4395d06de73598fcf5b8f7d13e81418238824d90fda3.bin.exe File opened (read-only) \??\Z: f4f73a451c1ec493eb3b4395d06de73598fcf5b8f7d13e81418238824d90fda3.bin.exe File opened (read-only) \??\E: f4f73a451c1ec493eb3b4395d06de73598fcf5b8f7d13e81418238824d90fda3.bin.exe File opened (read-only) \??\F: f4f73a451c1ec493eb3b4395d06de73598fcf5b8f7d13e81418238824d90fda3.bin.exe File opened (read-only) \??\H: f4f73a451c1ec493eb3b4395d06de73598fcf5b8f7d13e81418238824d90fda3.bin.exe File opened (read-only) \??\J: f4f73a451c1ec493eb3b4395d06de73598fcf5b8f7d13e81418238824d90fda3.bin.exe File opened (read-only) \??\Q: f4f73a451c1ec493eb3b4395d06de73598fcf5b8f7d13e81418238824d90fda3.bin.exe File opened (read-only) \??\V: f4f73a451c1ec493eb3b4395d06de73598fcf5b8f7d13e81418238824d90fda3.bin.exe File opened (read-only) \??\X: f4f73a451c1ec493eb3b4395d06de73598fcf5b8f7d13e81418238824d90fda3.bin.exe File opened (read-only) \??\A: f4f73a451c1ec493eb3b4395d06de73598fcf5b8f7d13e81418238824d90fda3.bin.exe File opened (read-only) \??\G: f4f73a451c1ec493eb3b4395d06de73598fcf5b8f7d13e81418238824d90fda3.bin.exe File opened (read-only) \??\L: f4f73a451c1ec493eb3b4395d06de73598fcf5b8f7d13e81418238824d90fda3.bin.exe File opened (read-only) \??\N: f4f73a451c1ec493eb3b4395d06de73598fcf5b8f7d13e81418238824d90fda3.bin.exe File opened (read-only) \??\T: f4f73a451c1ec493eb3b4395d06de73598fcf5b8f7d13e81418238824d90fda3.bin.exe File opened (read-only) \??\K: f4f73a451c1ec493eb3b4395d06de73598fcf5b8f7d13e81418238824d90fda3.bin.exe File opened (read-only) \??\R: f4f73a451c1ec493eb3b4395d06de73598fcf5b8f7d13e81418238824d90fda3.bin.exe File opened (read-only) \??\U: f4f73a451c1ec493eb3b4395d06de73598fcf5b8f7d13e81418238824d90fda3.bin.exe File opened (read-only) \??\Y: f4f73a451c1ec493eb3b4395d06de73598fcf5b8f7d13e81418238824d90fda3.bin.exe File opened (read-only) \??\D: f4f73a451c1ec493eb3b4395d06de73598fcf5b8f7d13e81418238824d90fda3.bin.exe File opened (read-only) \??\W: f4f73a451c1ec493eb3b4395d06de73598fcf5b8f7d13e81418238824d90fda3.bin.exe File opened (read-only) \??\B: f4f73a451c1ec493eb3b4395d06de73598fcf5b8f7d13e81418238824d90fda3.bin.exe File opened (read-only) \??\I: f4f73a451c1ec493eb3b4395d06de73598fcf5b8f7d13e81418238824d90fda3.bin.exe File opened (read-only) \??\M: f4f73a451c1ec493eb3b4395d06de73598fcf5b8f7d13e81418238824d90fda3.bin.exe File opened (read-only) \??\O: f4f73a451c1ec493eb3b4395d06de73598fcf5b8f7d13e81418238824d90fda3.bin.exe File opened (read-only) \??\P: f4f73a451c1ec493eb3b4395d06de73598fcf5b8f7d13e81418238824d90fda3.bin.exe -
Sets desktop wallpaper using registry 2 TTPs 1 IoCs
Processes:
f4f73a451c1ec493eb3b4395d06de73598fcf5b8f7d13e81418238824d90fda3.bin.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\\ndbd8.bmp" f4f73a451c1ec493eb3b4395d06de73598fcf5b8f7d13e81418238824d90fda3.bin.exe -
Drops file in Program Files directory 15 IoCs
Processes:
f4f73a451c1ec493eb3b4395d06de73598fcf5b8f7d13e81418238824d90fda3.bin.exedescription ioc process File opened for modification \??\c:\program files\UnblockPop.wps f4f73a451c1ec493eb3b4395d06de73598fcf5b8f7d13e81418238824d90fda3.bin.exe File opened for modification \??\c:\program files\UpdateDisable.pub f4f73a451c1ec493eb3b4395d06de73598fcf5b8f7d13e81418238824d90fda3.bin.exe File opened for modification \??\c:\program files\WaitFormat.mhtml f4f73a451c1ec493eb3b4395d06de73598fcf5b8f7d13e81418238824d90fda3.bin.exe File opened for modification \??\c:\program files\PopTrace.M2V f4f73a451c1ec493eb3b4395d06de73598fcf5b8f7d13e81418238824d90fda3.bin.exe File opened for modification \??\c:\program files\StartTest.au f4f73a451c1ec493eb3b4395d06de73598fcf5b8f7d13e81418238824d90fda3.bin.exe File opened for modification \??\c:\program files\UnregisterSkip.mp3 f4f73a451c1ec493eb3b4395d06de73598fcf5b8f7d13e81418238824d90fda3.bin.exe File opened for modification \??\c:\program files\ResetApprove.ods f4f73a451c1ec493eb3b4395d06de73598fcf5b8f7d13e81418238824d90fda3.bin.exe File opened for modification \??\c:\program files\ShowRegister.css f4f73a451c1ec493eb3b4395d06de73598fcf5b8f7d13e81418238824d90fda3.bin.exe File opened for modification \??\c:\program files\SplitWatch.php f4f73a451c1ec493eb3b4395d06de73598fcf5b8f7d13e81418238824d90fda3.bin.exe File opened for modification \??\c:\program files\UpdateReceive.sql f4f73a451c1ec493eb3b4395d06de73598fcf5b8f7d13e81418238824d90fda3.bin.exe File opened for modification \??\c:\program files\EditEnter.xml f4f73a451c1ec493eb3b4395d06de73598fcf5b8f7d13e81418238824d90fda3.bin.exe File opened for modification \??\c:\program files\InvokeSuspend.vdw f4f73a451c1ec493eb3b4395d06de73598fcf5b8f7d13e81418238824d90fda3.bin.exe File opened for modification \??\c:\program files\StepRestart.potm f4f73a451c1ec493eb3b4395d06de73598fcf5b8f7d13e81418238824d90fda3.bin.exe File opened for modification \??\c:\program files\HidePing.css f4f73a451c1ec493eb3b4395d06de73598fcf5b8f7d13e81418238824d90fda3.bin.exe File opened for modification \??\c:\program files\RepairReceive.csv f4f73a451c1ec493eb3b4395d06de73598fcf5b8f7d13e81418238824d90fda3.bin.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
f4f73a451c1ec493eb3b4395d06de73598fcf5b8f7d13e81418238824d90fda3.bin.exepid process 580 f4f73a451c1ec493eb3b4395d06de73598fcf5b8f7d13e81418238824d90fda3.bin.exe 580 f4f73a451c1ec493eb3b4395d06de73598fcf5b8f7d13e81418238824d90fda3.bin.exe 580 f4f73a451c1ec493eb3b4395d06de73598fcf5b8f7d13e81418238824d90fda3.bin.exe 580 f4f73a451c1ec493eb3b4395d06de73598fcf5b8f7d13e81418238824d90fda3.bin.exe -
Suspicious use of AdjustPrivilegeToken 5 IoCs
Processes:
f4f73a451c1ec493eb3b4395d06de73598fcf5b8f7d13e81418238824d90fda3.bin.exevssvc.exedescription pid process Token: SeDebugPrivilege 580 f4f73a451c1ec493eb3b4395d06de73598fcf5b8f7d13e81418238824d90fda3.bin.exe Token: SeTakeOwnershipPrivilege 580 f4f73a451c1ec493eb3b4395d06de73598fcf5b8f7d13e81418238824d90fda3.bin.exe Token: SeBackupPrivilege 2536 vssvc.exe Token: SeRestorePrivilege 2536 vssvc.exe Token: SeAuditPrivilege 2536 vssvc.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\f4f73a451c1ec493eb3b4395d06de73598fcf5b8f7d13e81418238824d90fda3.bin.exe"C:\Users\Admin\AppData\Local\Temp\f4f73a451c1ec493eb3b4395d06de73598fcf5b8f7d13e81418238824d90fda3.bin.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
PID:580
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C:\Windows\system32\wbem\unsecapp.exeC:\Windows\system32\wbem\unsecapp.exe -Embedding1⤵PID:1020
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2536