Analysis
-
max time kernel
143s -
max time network
126s -
platform
windows10_x64 -
resource
win10v20210410 -
submitted
15-06-2021 01:00
Static task
static1
Behavioral task
behavioral1
Sample
a660c9395c1806a33b169543591a44f10440b4af71309ad2fe65ff1b91a8bf5c.exe
Resource
win7v20210408
Behavioral task
behavioral2
Sample
a660c9395c1806a33b169543591a44f10440b4af71309ad2fe65ff1b91a8bf5c.exe
Resource
win10v20210410
General
-
Target
a660c9395c1806a33b169543591a44f10440b4af71309ad2fe65ff1b91a8bf5c.exe
-
Size
121KB
-
MD5
d6bc66cfaf703438452f048fda3515c5
-
SHA1
b64cf2d9aa93662c00f4b5c1f6a7bc10eb1fe08a
-
SHA256
a660c9395c1806a33b169543591a44f10440b4af71309ad2fe65ff1b91a8bf5c
-
SHA512
4c51f9b398b8d2cdbfc9bc13f460561b0ed802a95319e257e900636df420350cb7321f5d740e3af5bd25a93976089d8d5988963c42513e74d3cfbce5ded94bee
Malware Config
Extracted
C:\gs95p-readme.txt
sodinokibi
http://aplebzu47wgazapdqks6vrcv6zcnjppkbxbr6wketf56nf6aq2nmyoyd.onion/CC69B1686007C86F
http://decoder.re/CC69B1686007C86F
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:
a660c9395c1806a33b169543591a44f10440b4af71309ad2fe65ff1b91a8bf5c.exedescription ioc process File renamed C:\Users\Admin\Pictures\ResumeRename.tif => \??\c:\users\admin\pictures\ResumeRename.tif.gs95p a660c9395c1806a33b169543591a44f10440b4af71309ad2fe65ff1b91a8bf5c.exe File renamed C:\Users\Admin\Pictures\UninstallReceive.tif => \??\c:\users\admin\pictures\UninstallReceive.tif.gs95p a660c9395c1806a33b169543591a44f10440b4af71309ad2fe65ff1b91a8bf5c.exe File opened for modification \??\c:\users\admin\pictures\WatchReceive.tiff a660c9395c1806a33b169543591a44f10440b4af71309ad2fe65ff1b91a8bf5c.exe File opened for modification \??\c:\users\admin\pictures\OptimizeDebug.tiff a660c9395c1806a33b169543591a44f10440b4af71309ad2fe65ff1b91a8bf5c.exe File renamed C:\Users\Admin\Pictures\OptimizeDebug.tiff => \??\c:\users\admin\pictures\OptimizeDebug.tiff.gs95p a660c9395c1806a33b169543591a44f10440b4af71309ad2fe65ff1b91a8bf5c.exe File opened for modification \??\c:\users\admin\pictures\RepairGet.tiff a660c9395c1806a33b169543591a44f10440b4af71309ad2fe65ff1b91a8bf5c.exe File renamed C:\Users\Admin\Pictures\SyncPing.tif => \??\c:\users\admin\pictures\SyncPing.tif.gs95p a660c9395c1806a33b169543591a44f10440b4af71309ad2fe65ff1b91a8bf5c.exe File renamed C:\Users\Admin\Pictures\WatchReceive.tiff => \??\c:\users\admin\pictures\WatchReceive.tiff.gs95p a660c9395c1806a33b169543591a44f10440b4af71309ad2fe65ff1b91a8bf5c.exe File renamed C:\Users\Admin\Pictures\JoinDisconnect.raw => \??\c:\users\admin\pictures\JoinDisconnect.raw.gs95p a660c9395c1806a33b169543591a44f10440b4af71309ad2fe65ff1b91a8bf5c.exe File renamed C:\Users\Admin\Pictures\RepairGet.tiff => \??\c:\users\admin\pictures\RepairGet.tiff.gs95p a660c9395c1806a33b169543591a44f10440b4af71309ad2fe65ff1b91a8bf5c.exe File renamed C:\Users\Admin\Pictures\ResolveExpand.tif => \??\c:\users\admin\pictures\ResolveExpand.tif.gs95p a660c9395c1806a33b169543591a44f10440b4af71309ad2fe65ff1b91a8bf5c.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Enumerates connected drives 3 TTPs 25 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
a660c9395c1806a33b169543591a44f10440b4af71309ad2fe65ff1b91a8bf5c.exedescription ioc process File opened (read-only) \??\M: a660c9395c1806a33b169543591a44f10440b4af71309ad2fe65ff1b91a8bf5c.exe File opened (read-only) \??\T: a660c9395c1806a33b169543591a44f10440b4af71309ad2fe65ff1b91a8bf5c.exe File opened (read-only) \??\X: a660c9395c1806a33b169543591a44f10440b4af71309ad2fe65ff1b91a8bf5c.exe File opened (read-only) \??\R: a660c9395c1806a33b169543591a44f10440b4af71309ad2fe65ff1b91a8bf5c.exe File opened (read-only) \??\S: a660c9395c1806a33b169543591a44f10440b4af71309ad2fe65ff1b91a8bf5c.exe File opened (read-only) \??\W: a660c9395c1806a33b169543591a44f10440b4af71309ad2fe65ff1b91a8bf5c.exe File opened (read-only) \??\F: a660c9395c1806a33b169543591a44f10440b4af71309ad2fe65ff1b91a8bf5c.exe File opened (read-only) \??\G: a660c9395c1806a33b169543591a44f10440b4af71309ad2fe65ff1b91a8bf5c.exe File opened (read-only) \??\J: a660c9395c1806a33b169543591a44f10440b4af71309ad2fe65ff1b91a8bf5c.exe File opened (read-only) \??\O: a660c9395c1806a33b169543591a44f10440b4af71309ad2fe65ff1b91a8bf5c.exe File opened (read-only) \??\P: a660c9395c1806a33b169543591a44f10440b4af71309ad2fe65ff1b91a8bf5c.exe File opened (read-only) \??\Q: a660c9395c1806a33b169543591a44f10440b4af71309ad2fe65ff1b91a8bf5c.exe File opened (read-only) \??\U: a660c9395c1806a33b169543591a44f10440b4af71309ad2fe65ff1b91a8bf5c.exe File opened (read-only) \??\V: a660c9395c1806a33b169543591a44f10440b4af71309ad2fe65ff1b91a8bf5c.exe File opened (read-only) \??\A: a660c9395c1806a33b169543591a44f10440b4af71309ad2fe65ff1b91a8bf5c.exe File opened (read-only) \??\B: a660c9395c1806a33b169543591a44f10440b4af71309ad2fe65ff1b91a8bf5c.exe File opened (read-only) \??\H: a660c9395c1806a33b169543591a44f10440b4af71309ad2fe65ff1b91a8bf5c.exe File opened (read-only) \??\Y: a660c9395c1806a33b169543591a44f10440b4af71309ad2fe65ff1b91a8bf5c.exe File opened (read-only) \??\Z: a660c9395c1806a33b169543591a44f10440b4af71309ad2fe65ff1b91a8bf5c.exe File opened (read-only) \??\L: a660c9395c1806a33b169543591a44f10440b4af71309ad2fe65ff1b91a8bf5c.exe File opened (read-only) \??\N: a660c9395c1806a33b169543591a44f10440b4af71309ad2fe65ff1b91a8bf5c.exe File opened (read-only) \??\D: a660c9395c1806a33b169543591a44f10440b4af71309ad2fe65ff1b91a8bf5c.exe File opened (read-only) \??\E: a660c9395c1806a33b169543591a44f10440b4af71309ad2fe65ff1b91a8bf5c.exe File opened (read-only) \??\I: a660c9395c1806a33b169543591a44f10440b4af71309ad2fe65ff1b91a8bf5c.exe File opened (read-only) \??\K: a660c9395c1806a33b169543591a44f10440b4af71309ad2fe65ff1b91a8bf5c.exe -
Sets desktop wallpaper using registry 2 TTPs 1 IoCs
Processes:
a660c9395c1806a33b169543591a44f10440b4af71309ad2fe65ff1b91a8bf5c.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\zdo024r.bmp" a660c9395c1806a33b169543591a44f10440b4af71309ad2fe65ff1b91a8bf5c.exe -
Drops file in Program Files directory 27 IoCs
Processes:
a660c9395c1806a33b169543591a44f10440b4af71309ad2fe65ff1b91a8bf5c.exedescription ioc process File opened for modification \??\c:\program files\ShowRestore.ADT a660c9395c1806a33b169543591a44f10440b4af71309ad2fe65ff1b91a8bf5c.exe File opened for modification \??\c:\program files\StartLock.temp a660c9395c1806a33b169543591a44f10440b4af71309ad2fe65ff1b91a8bf5c.exe File opened for modification \??\c:\program files\UnlockRegister.ps1xml a660c9395c1806a33b169543591a44f10440b4af71309ad2fe65ff1b91a8bf5c.exe File opened for modification \??\c:\program files\CompleteUpdate.tiff a660c9395c1806a33b169543591a44f10440b4af71309ad2fe65ff1b91a8bf5c.exe File opened for modification \??\c:\program files\ConfirmOpen.sql a660c9395c1806a33b169543591a44f10440b4af71309ad2fe65ff1b91a8bf5c.exe File opened for modification \??\c:\program files\UnpublishClose.dwfx a660c9395c1806a33b169543591a44f10440b4af71309ad2fe65ff1b91a8bf5c.exe File opened for modification \??\c:\program files\UnpublishStart.i64 a660c9395c1806a33b169543591a44f10440b4af71309ad2fe65ff1b91a8bf5c.exe File created \??\c:\program files (x86)\gs95p-readme.txt a660c9395c1806a33b169543591a44f10440b4af71309ad2fe65ff1b91a8bf5c.exe File opened for modification \??\c:\program files\CompleteLimit.jpeg a660c9395c1806a33b169543591a44f10440b4af71309ad2fe65ff1b91a8bf5c.exe File opened for modification \??\c:\program files\ResetConvertTo.vssx a660c9395c1806a33b169543591a44f10440b4af71309ad2fe65ff1b91a8bf5c.exe File created \??\c:\program files\gs95p-readme.txt a660c9395c1806a33b169543591a44f10440b4af71309ad2fe65ff1b91a8bf5c.exe File opened for modification \??\c:\program files\InvokeSubmit.xltx a660c9395c1806a33b169543591a44f10440b4af71309ad2fe65ff1b91a8bf5c.exe File opened for modification \??\c:\program files\PopWait.mid a660c9395c1806a33b169543591a44f10440b4af71309ad2fe65ff1b91a8bf5c.exe File opened for modification \??\c:\program files\StartRegister.ex_ a660c9395c1806a33b169543591a44f10440b4af71309ad2fe65ff1b91a8bf5c.exe File opened for modification \??\c:\program files\JoinOpen.xlt a660c9395c1806a33b169543591a44f10440b4af71309ad2fe65ff1b91a8bf5c.exe File opened for modification \??\c:\program files\UnpublishUnprotect.m4a a660c9395c1806a33b169543591a44f10440b4af71309ad2fe65ff1b91a8bf5c.exe File opened for modification \??\c:\program files\WaitAdd.wav a660c9395c1806a33b169543591a44f10440b4af71309ad2fe65ff1b91a8bf5c.exe File opened for modification \??\c:\program files\PushSkip.3gp2 a660c9395c1806a33b169543591a44f10440b4af71309ad2fe65ff1b91a8bf5c.exe File opened for modification \??\c:\program files\FormatUnlock.svgz a660c9395c1806a33b169543591a44f10440b4af71309ad2fe65ff1b91a8bf5c.exe File opened for modification \??\c:\program files\InvokeRevoke.dwg a660c9395c1806a33b169543591a44f10440b4af71309ad2fe65ff1b91a8bf5c.exe File opened for modification \??\c:\program files\MeasureRestart.xlsx a660c9395c1806a33b169543591a44f10440b4af71309ad2fe65ff1b91a8bf5c.exe File opened for modification \??\c:\program files\OptimizeExport.xlsb a660c9395c1806a33b169543591a44f10440b4af71309ad2fe65ff1b91a8bf5c.exe File opened for modification \??\c:\program files\PushExport.vsdm a660c9395c1806a33b169543591a44f10440b4af71309ad2fe65ff1b91a8bf5c.exe File opened for modification \??\c:\program files\BlockCheckpoint.clr a660c9395c1806a33b169543591a44f10440b4af71309ad2fe65ff1b91a8bf5c.exe File opened for modification \??\c:\program files\LimitJoin.asx a660c9395c1806a33b169543591a44f10440b4af71309ad2fe65ff1b91a8bf5c.exe File opened for modification \??\c:\program files\TestInvoke.mp2v a660c9395c1806a33b169543591a44f10440b4af71309ad2fe65ff1b91a8bf5c.exe File opened for modification \??\c:\program files\UndoSwitch.vsw a660c9395c1806a33b169543591a44f10440b4af71309ad2fe65ff1b91a8bf5c.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Suspicious behavior: EnumeratesProcesses 10 IoCs
Processes:
a660c9395c1806a33b169543591a44f10440b4af71309ad2fe65ff1b91a8bf5c.exepid process 3892 a660c9395c1806a33b169543591a44f10440b4af71309ad2fe65ff1b91a8bf5c.exe 3892 a660c9395c1806a33b169543591a44f10440b4af71309ad2fe65ff1b91a8bf5c.exe 3892 a660c9395c1806a33b169543591a44f10440b4af71309ad2fe65ff1b91a8bf5c.exe 3892 a660c9395c1806a33b169543591a44f10440b4af71309ad2fe65ff1b91a8bf5c.exe 3892 a660c9395c1806a33b169543591a44f10440b4af71309ad2fe65ff1b91a8bf5c.exe 3892 a660c9395c1806a33b169543591a44f10440b4af71309ad2fe65ff1b91a8bf5c.exe 3892 a660c9395c1806a33b169543591a44f10440b4af71309ad2fe65ff1b91a8bf5c.exe 3892 a660c9395c1806a33b169543591a44f10440b4af71309ad2fe65ff1b91a8bf5c.exe 3892 a660c9395c1806a33b169543591a44f10440b4af71309ad2fe65ff1b91a8bf5c.exe 3892 a660c9395c1806a33b169543591a44f10440b4af71309ad2fe65ff1b91a8bf5c.exe -
Suspicious use of AdjustPrivilegeToken 5 IoCs
Processes:
a660c9395c1806a33b169543591a44f10440b4af71309ad2fe65ff1b91a8bf5c.exevssvc.exedescription pid process Token: SeDebugPrivilege 3892 a660c9395c1806a33b169543591a44f10440b4af71309ad2fe65ff1b91a8bf5c.exe Token: SeTakeOwnershipPrivilege 3892 a660c9395c1806a33b169543591a44f10440b4af71309ad2fe65ff1b91a8bf5c.exe Token: SeBackupPrivilege 2336 vssvc.exe Token: SeRestorePrivilege 2336 vssvc.exe Token: SeAuditPrivilege 2336 vssvc.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\a660c9395c1806a33b169543591a44f10440b4af71309ad2fe65ff1b91a8bf5c.exe"C:\Users\Admin\AppData\Local\Temp\a660c9395c1806a33b169543591a44f10440b4af71309ad2fe65ff1b91a8bf5c.exe"1⤵
- Modifies extensions of user files
- Enumerates connected drives
- Sets desktop wallpaper using registry
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3892
-
C:\Windows\system32\wbem\unsecapp.exeC:\Windows\system32\wbem\unsecapp.exe -Embedding1⤵PID:1464
-
C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2336