Analysis
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max time kernel
1692s -
max time network
1596s -
platform
windows10_x64 -
resource
win10v20210408 -
submitted
23-04-2021 13:55
Static task
static1
Behavioral task
behavioral1
Sample
08c2d24cb9c632f9aa84254bb673c9df04d4ac23ee07e840794e9438b06e9bd2.bin.exe
Resource
win10v20210408
Behavioral task
behavioral2
Sample
08c2d24cb9c632f9aa84254bb673c9df04d4ac23ee07e840794e9438b06e9bd2.bin.exe
Resource
win10v20210408
Behavioral task
behavioral3
Sample
08c2d24cb9c632f9aa84254bb673c9df04d4ac23ee07e840794e9438b06e9bd2.bin.exe
Resource
win10v20210410
Behavioral task
behavioral4
Sample
08c2d24cb9c632f9aa84254bb673c9df04d4ac23ee07e840794e9438b06e9bd2.bin.exe
Resource
win10v20210408
Behavioral task
behavioral5
Sample
08c2d24cb9c632f9aa84254bb673c9df04d4ac23ee07e840794e9438b06e9bd2.bin.exe
Resource
win7v20210410
General
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Target
08c2d24cb9c632f9aa84254bb673c9df04d4ac23ee07e840794e9438b06e9bd2.bin.exe
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Size
121KB
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MD5
46a40ec6d39b7530830f3047cdebaa1b
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SHA1
a1540914b5ceb9e772ee5898e777f48e3cd57010
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SHA256
08c2d24cb9c632f9aa84254bb673c9df04d4ac23ee07e840794e9438b06e9bd2
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SHA512
64d3bd219e939100612242a35d36db8636a18eb962ce174284359178b6abb29c957bb1a0083015b948ff17c30e01ddd46c12824a83d0698b03372effeae0aa12
Malware Config
Extracted
C:\w7fufii-readme.txt
sodinokibi
http://aplebzu47wgazapdqks6vrcv6zcnjppkbxbr6wketf56nf6aq2nmyoyd.onion/6DC7617B7BD7A113
http://decoder.re/6DC7617B7BD7A113
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 10 IoCs
Ransomware generally changes the extension on encrypted files.
Processes:
08c2d24cb9c632f9aa84254bb673c9df04d4ac23ee07e840794e9438b06e9bd2.bin.exedescription ioc process File renamed C:\Users\Admin\Pictures\FormatDeny.png => \??\c:\users\admin\pictures\FormatDeny.png.w7fufii 08c2d24cb9c632f9aa84254bb673c9df04d4ac23ee07e840794e9438b06e9bd2.bin.exe File opened for modification \??\c:\users\admin\pictures\GetWatch.tiff 08c2d24cb9c632f9aa84254bb673c9df04d4ac23ee07e840794e9438b06e9bd2.bin.exe File renamed C:\Users\Admin\Pictures\WatchStep.tif => \??\c:\users\admin\pictures\WatchStep.tif.w7fufii 08c2d24cb9c632f9aa84254bb673c9df04d4ac23ee07e840794e9438b06e9bd2.bin.exe File renamed C:\Users\Admin\Pictures\EnableMeasure.raw => \??\c:\users\admin\pictures\EnableMeasure.raw.w7fufii 08c2d24cb9c632f9aa84254bb673c9df04d4ac23ee07e840794e9438b06e9bd2.bin.exe File renamed C:\Users\Admin\Pictures\ExportPop.crw => \??\c:\users\admin\pictures\ExportPop.crw.w7fufii 08c2d24cb9c632f9aa84254bb673c9df04d4ac23ee07e840794e9438b06e9bd2.bin.exe File renamed C:\Users\Admin\Pictures\GetWatch.tiff => \??\c:\users\admin\pictures\GetWatch.tiff.w7fufii 08c2d24cb9c632f9aa84254bb673c9df04d4ac23ee07e840794e9438b06e9bd2.bin.exe File renamed C:\Users\Admin\Pictures\ProtectMount.crw => \??\c:\users\admin\pictures\ProtectMount.crw.w7fufii 08c2d24cb9c632f9aa84254bb673c9df04d4ac23ee07e840794e9438b06e9bd2.bin.exe File opened for modification \??\c:\users\admin\pictures\PublishDisconnect.tiff 08c2d24cb9c632f9aa84254bb673c9df04d4ac23ee07e840794e9438b06e9bd2.bin.exe File renamed C:\Users\Admin\Pictures\PublishDisconnect.tiff => \??\c:\users\admin\pictures\PublishDisconnect.tiff.w7fufii 08c2d24cb9c632f9aa84254bb673c9df04d4ac23ee07e840794e9438b06e9bd2.bin.exe File renamed C:\Users\Admin\Pictures\RegisterDismount.crw => \??\c:\users\admin\pictures\RegisterDismount.crw.w7fufii 08c2d24cb9c632f9aa84254bb673c9df04d4ac23ee07e840794e9438b06e9bd2.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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Enumerates connected drives 3 TTPs 25 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
08c2d24cb9c632f9aa84254bb673c9df04d4ac23ee07e840794e9438b06e9bd2.bin.exedescription ioc process File opened (read-only) \??\F: 08c2d24cb9c632f9aa84254bb673c9df04d4ac23ee07e840794e9438b06e9bd2.bin.exe File opened (read-only) \??\G: 08c2d24cb9c632f9aa84254bb673c9df04d4ac23ee07e840794e9438b06e9bd2.bin.exe File opened (read-only) \??\K: 08c2d24cb9c632f9aa84254bb673c9df04d4ac23ee07e840794e9438b06e9bd2.bin.exe File opened (read-only) \??\N: 08c2d24cb9c632f9aa84254bb673c9df04d4ac23ee07e840794e9438b06e9bd2.bin.exe File opened (read-only) \??\O: 08c2d24cb9c632f9aa84254bb673c9df04d4ac23ee07e840794e9438b06e9bd2.bin.exe File opened (read-only) \??\X: 08c2d24cb9c632f9aa84254bb673c9df04d4ac23ee07e840794e9438b06e9bd2.bin.exe File opened (read-only) \??\Y: 08c2d24cb9c632f9aa84254bb673c9df04d4ac23ee07e840794e9438b06e9bd2.bin.exe File opened (read-only) \??\B: 08c2d24cb9c632f9aa84254bb673c9df04d4ac23ee07e840794e9438b06e9bd2.bin.exe File opened (read-only) \??\L: 08c2d24cb9c632f9aa84254bb673c9df04d4ac23ee07e840794e9438b06e9bd2.bin.exe File opened (read-only) \??\M: 08c2d24cb9c632f9aa84254bb673c9df04d4ac23ee07e840794e9438b06e9bd2.bin.exe File opened (read-only) \??\P: 08c2d24cb9c632f9aa84254bb673c9df04d4ac23ee07e840794e9438b06e9bd2.bin.exe File opened (read-only) \??\R: 08c2d24cb9c632f9aa84254bb673c9df04d4ac23ee07e840794e9438b06e9bd2.bin.exe File opened (read-only) \??\T: 08c2d24cb9c632f9aa84254bb673c9df04d4ac23ee07e840794e9438b06e9bd2.bin.exe File opened (read-only) \??\V: 08c2d24cb9c632f9aa84254bb673c9df04d4ac23ee07e840794e9438b06e9bd2.bin.exe File opened (read-only) \??\D: 08c2d24cb9c632f9aa84254bb673c9df04d4ac23ee07e840794e9438b06e9bd2.bin.exe File opened (read-only) \??\H: 08c2d24cb9c632f9aa84254bb673c9df04d4ac23ee07e840794e9438b06e9bd2.bin.exe File opened (read-only) \??\U: 08c2d24cb9c632f9aa84254bb673c9df04d4ac23ee07e840794e9438b06e9bd2.bin.exe File opened (read-only) \??\W: 08c2d24cb9c632f9aa84254bb673c9df04d4ac23ee07e840794e9438b06e9bd2.bin.exe File opened (read-only) \??\I: 08c2d24cb9c632f9aa84254bb673c9df04d4ac23ee07e840794e9438b06e9bd2.bin.exe File opened (read-only) \??\E: 08c2d24cb9c632f9aa84254bb673c9df04d4ac23ee07e840794e9438b06e9bd2.bin.exe File opened (read-only) \??\J: 08c2d24cb9c632f9aa84254bb673c9df04d4ac23ee07e840794e9438b06e9bd2.bin.exe File opened (read-only) \??\Q: 08c2d24cb9c632f9aa84254bb673c9df04d4ac23ee07e840794e9438b06e9bd2.bin.exe File opened (read-only) \??\S: 08c2d24cb9c632f9aa84254bb673c9df04d4ac23ee07e840794e9438b06e9bd2.bin.exe File opened (read-only) \??\Z: 08c2d24cb9c632f9aa84254bb673c9df04d4ac23ee07e840794e9438b06e9bd2.bin.exe File opened (read-only) \??\A: 08c2d24cb9c632f9aa84254bb673c9df04d4ac23ee07e840794e9438b06e9bd2.bin.exe -
Sets desktop wallpaper using registry 2 TTPs 1 IoCs
Processes:
08c2d24cb9c632f9aa84254bb673c9df04d4ac23ee07e840794e9438b06e9bd2.bin.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\locr1wtj13.bmp" 08c2d24cb9c632f9aa84254bb673c9df04d4ac23ee07e840794e9438b06e9bd2.bin.exe -
Drops file in Program Files directory 18 IoCs
Processes:
08c2d24cb9c632f9aa84254bb673c9df04d4ac23ee07e840794e9438b06e9bd2.bin.exedescription ioc process File opened for modification \??\c:\program files\UnlockRegister.3gpp 08c2d24cb9c632f9aa84254bb673c9df04d4ac23ee07e840794e9438b06e9bd2.bin.exe File opened for modification \??\c:\program files\UnpublishRestore.DVR-MS 08c2d24cb9c632f9aa84254bb673c9df04d4ac23ee07e840794e9438b06e9bd2.bin.exe File created \??\c:\program files\w7fufii-readme.txt 08c2d24cb9c632f9aa84254bb673c9df04d4ac23ee07e840794e9438b06e9bd2.bin.exe File created \??\c:\program files (x86)\w7fufii-readme.txt 08c2d24cb9c632f9aa84254bb673c9df04d4ac23ee07e840794e9438b06e9bd2.bin.exe File opened for modification \??\c:\program files\AddShow.js 08c2d24cb9c632f9aa84254bb673c9df04d4ac23ee07e840794e9438b06e9bd2.bin.exe File opened for modification \??\c:\program files\DisconnectPush.vst 08c2d24cb9c632f9aa84254bb673c9df04d4ac23ee07e840794e9438b06e9bd2.bin.exe File opened for modification \??\c:\program files\EnableConvertFrom.AAC 08c2d24cb9c632f9aa84254bb673c9df04d4ac23ee07e840794e9438b06e9bd2.bin.exe File opened for modification \??\c:\program files\PingWait.vsd 08c2d24cb9c632f9aa84254bb673c9df04d4ac23ee07e840794e9438b06e9bd2.bin.exe File opened for modification \??\c:\program files\FindUninstall.TS 08c2d24cb9c632f9aa84254bb673c9df04d4ac23ee07e840794e9438b06e9bd2.bin.exe File opened for modification \??\c:\program files\SaveComplete.mp2v 08c2d24cb9c632f9aa84254bb673c9df04d4ac23ee07e840794e9438b06e9bd2.bin.exe File opened for modification \??\c:\program files\SaveDisable.xps 08c2d24cb9c632f9aa84254bb673c9df04d4ac23ee07e840794e9438b06e9bd2.bin.exe File opened for modification \??\c:\program files\TestExpand.emf 08c2d24cb9c632f9aa84254bb673c9df04d4ac23ee07e840794e9438b06e9bd2.bin.exe File opened for modification \??\c:\program files\DebugTrace.wmx 08c2d24cb9c632f9aa84254bb673c9df04d4ac23ee07e840794e9438b06e9bd2.bin.exe File opened for modification \??\c:\program files\StartResolve.ex_ 08c2d24cb9c632f9aa84254bb673c9df04d4ac23ee07e840794e9438b06e9bd2.bin.exe File opened for modification \??\c:\program files\TraceOpen.dotm 08c2d24cb9c632f9aa84254bb673c9df04d4ac23ee07e840794e9438b06e9bd2.bin.exe File opened for modification \??\c:\program files\ConnectSkip.rle 08c2d24cb9c632f9aa84254bb673c9df04d4ac23ee07e840794e9438b06e9bd2.bin.exe File opened for modification \??\c:\program files\ConvertMeasure.vdx 08c2d24cb9c632f9aa84254bb673c9df04d4ac23ee07e840794e9438b06e9bd2.bin.exe File opened for modification \??\c:\program files\MergeInstall.csv 08c2d24cb9c632f9aa84254bb673c9df04d4ac23ee07e840794e9438b06e9bd2.bin.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Modifies registry class 1 IoCs
Processes:
OpenWith.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000_Classes\Local Settings OpenWith.exe -
Suspicious behavior: EnumeratesProcesses 10 IoCs
Processes:
08c2d24cb9c632f9aa84254bb673c9df04d4ac23ee07e840794e9438b06e9bd2.bin.exepid process 808 08c2d24cb9c632f9aa84254bb673c9df04d4ac23ee07e840794e9438b06e9bd2.bin.exe 808 08c2d24cb9c632f9aa84254bb673c9df04d4ac23ee07e840794e9438b06e9bd2.bin.exe 808 08c2d24cb9c632f9aa84254bb673c9df04d4ac23ee07e840794e9438b06e9bd2.bin.exe 808 08c2d24cb9c632f9aa84254bb673c9df04d4ac23ee07e840794e9438b06e9bd2.bin.exe 808 08c2d24cb9c632f9aa84254bb673c9df04d4ac23ee07e840794e9438b06e9bd2.bin.exe 808 08c2d24cb9c632f9aa84254bb673c9df04d4ac23ee07e840794e9438b06e9bd2.bin.exe 808 08c2d24cb9c632f9aa84254bb673c9df04d4ac23ee07e840794e9438b06e9bd2.bin.exe 808 08c2d24cb9c632f9aa84254bb673c9df04d4ac23ee07e840794e9438b06e9bd2.bin.exe 808 08c2d24cb9c632f9aa84254bb673c9df04d4ac23ee07e840794e9438b06e9bd2.bin.exe 808 08c2d24cb9c632f9aa84254bb673c9df04d4ac23ee07e840794e9438b06e9bd2.bin.exe -
Suspicious use of AdjustPrivilegeToken 5 IoCs
Processes:
08c2d24cb9c632f9aa84254bb673c9df04d4ac23ee07e840794e9438b06e9bd2.bin.exevssvc.exedescription pid process Token: SeDebugPrivilege 808 08c2d24cb9c632f9aa84254bb673c9df04d4ac23ee07e840794e9438b06e9bd2.bin.exe Token: SeTakeOwnershipPrivilege 808 08c2d24cb9c632f9aa84254bb673c9df04d4ac23ee07e840794e9438b06e9bd2.bin.exe Token: SeBackupPrivilege 3020 vssvc.exe Token: SeRestorePrivilege 3020 vssvc.exe Token: SeAuditPrivilege 3020 vssvc.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
OpenWith.exepid process 1004 OpenWith.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\08c2d24cb9c632f9aa84254bb673c9df04d4ac23ee07e840794e9438b06e9bd2.bin.exe"C:\Users\Admin\AppData\Local\Temp\08c2d24cb9c632f9aa84254bb673c9df04d4ac23ee07e840794e9438b06e9bd2.bin.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:808
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C:\Windows\system32\wbem\unsecapp.exeC:\Windows\system32\wbem\unsecapp.exe -Embedding1⤵PID:200
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3020
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C:\Windows\system32\OpenWith.exeC:\Windows\system32\OpenWith.exe -Embedding1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:1004