Analysis
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max time kernel
34s -
max time network
152s -
platform
windows10_x64 -
resource
win10v20210410 -
submitted
04-06-2021 11:24
Static task
static1
Behavioral task
behavioral1
Sample
5237aa6179a201f22ffaa6b114de37f020dd1b0d0940280e40f75d5e4debb0f8.bin.sample.exe
Resource
win7v20210410
Behavioral task
behavioral2
Sample
5237aa6179a201f22ffaa6b114de37f020dd1b0d0940280e40f75d5e4debb0f8.bin.sample.exe
Resource
win10v20210410
General
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Target
5237aa6179a201f22ffaa6b114de37f020dd1b0d0940280e40f75d5e4debb0f8.bin.sample.exe
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Size
435KB
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MD5
f490c7980e76c512f4ccd0af9400ffc8
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SHA1
aa5638aaba37742c3d433f856ddae25b3882a624
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SHA256
5237aa6179a201f22ffaa6b114de37f020dd1b0d0940280e40f75d5e4debb0f8
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SHA512
9d61648531d864058c5ead459d300e68cc3b5922aaec264e4db5da5e94ee8edcb19263769c99f82949fb66943abca5fa80888810069373255d19ae07477650cb
Malware Config
Extracted
C:\82ts2-readme.txt
sodinokibi
http://aplebzu47wgazapdqks6vrcv6zcnjppkbxbr6wketf56nf6aq2nmyoyd.onion/E1654346F373039F
http://decoder.re/E1654346F373039F
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 4 IoCs
Ransomware generally changes the extension on encrypted files.
Processes:
5237aa6179a201f22ffaa6b114de37f020dd1b0d0940280e40f75d5e4debb0f8.bin.sample.exedescription ioc process File renamed C:\Users\Admin\Pictures\OutConvertFrom.raw => \??\c:\users\admin\pictures\OutConvertFrom.raw.82ts2 5237aa6179a201f22ffaa6b114de37f020dd1b0d0940280e40f75d5e4debb0f8.bin.sample.exe File renamed C:\Users\Admin\Pictures\SkipDisconnect.crw => \??\c:\users\admin\pictures\SkipDisconnect.crw.82ts2 5237aa6179a201f22ffaa6b114de37f020dd1b0d0940280e40f75d5e4debb0f8.bin.sample.exe File renamed C:\Users\Admin\Pictures\SubmitUnpublish.tif => \??\c:\users\admin\pictures\SubmitUnpublish.tif.82ts2 5237aa6179a201f22ffaa6b114de37f020dd1b0d0940280e40f75d5e4debb0f8.bin.sample.exe File renamed C:\Users\Admin\Pictures\SuspendImport.tif => \??\c:\users\admin\pictures\SuspendImport.tif.82ts2 5237aa6179a201f22ffaa6b114de37f020dd1b0d0940280e40f75d5e4debb0f8.bin.sample.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:
5237aa6179a201f22ffaa6b114de37f020dd1b0d0940280e40f75d5e4debb0f8.bin.sample.exedescription ioc process File opened (read-only) \??\Z: 5237aa6179a201f22ffaa6b114de37f020dd1b0d0940280e40f75d5e4debb0f8.bin.sample.exe File opened (read-only) \??\B: 5237aa6179a201f22ffaa6b114de37f020dd1b0d0940280e40f75d5e4debb0f8.bin.sample.exe File opened (read-only) \??\F: 5237aa6179a201f22ffaa6b114de37f020dd1b0d0940280e40f75d5e4debb0f8.bin.sample.exe File opened (read-only) \??\G: 5237aa6179a201f22ffaa6b114de37f020dd1b0d0940280e40f75d5e4debb0f8.bin.sample.exe File opened (read-only) \??\K: 5237aa6179a201f22ffaa6b114de37f020dd1b0d0940280e40f75d5e4debb0f8.bin.sample.exe File opened (read-only) \??\L: 5237aa6179a201f22ffaa6b114de37f020dd1b0d0940280e40f75d5e4debb0f8.bin.sample.exe File opened (read-only) \??\N: 5237aa6179a201f22ffaa6b114de37f020dd1b0d0940280e40f75d5e4debb0f8.bin.sample.exe File opened (read-only) \??\U: 5237aa6179a201f22ffaa6b114de37f020dd1b0d0940280e40f75d5e4debb0f8.bin.sample.exe File opened (read-only) \??\D: 5237aa6179a201f22ffaa6b114de37f020dd1b0d0940280e40f75d5e4debb0f8.bin.sample.exe File opened (read-only) \??\R: 5237aa6179a201f22ffaa6b114de37f020dd1b0d0940280e40f75d5e4debb0f8.bin.sample.exe File opened (read-only) \??\W: 5237aa6179a201f22ffaa6b114de37f020dd1b0d0940280e40f75d5e4debb0f8.bin.sample.exe File opened (read-only) \??\E: 5237aa6179a201f22ffaa6b114de37f020dd1b0d0940280e40f75d5e4debb0f8.bin.sample.exe File opened (read-only) \??\J: 5237aa6179a201f22ffaa6b114de37f020dd1b0d0940280e40f75d5e4debb0f8.bin.sample.exe File opened (read-only) \??\M: 5237aa6179a201f22ffaa6b114de37f020dd1b0d0940280e40f75d5e4debb0f8.bin.sample.exe File opened (read-only) \??\O: 5237aa6179a201f22ffaa6b114de37f020dd1b0d0940280e40f75d5e4debb0f8.bin.sample.exe File opened (read-only) \??\X: 5237aa6179a201f22ffaa6b114de37f020dd1b0d0940280e40f75d5e4debb0f8.bin.sample.exe File opened (read-only) \??\Y: 5237aa6179a201f22ffaa6b114de37f020dd1b0d0940280e40f75d5e4debb0f8.bin.sample.exe File opened (read-only) \??\V: 5237aa6179a201f22ffaa6b114de37f020dd1b0d0940280e40f75d5e4debb0f8.bin.sample.exe File opened (read-only) \??\A: 5237aa6179a201f22ffaa6b114de37f020dd1b0d0940280e40f75d5e4debb0f8.bin.sample.exe File opened (read-only) \??\H: 5237aa6179a201f22ffaa6b114de37f020dd1b0d0940280e40f75d5e4debb0f8.bin.sample.exe File opened (read-only) \??\I: 5237aa6179a201f22ffaa6b114de37f020dd1b0d0940280e40f75d5e4debb0f8.bin.sample.exe File opened (read-only) \??\P: 5237aa6179a201f22ffaa6b114de37f020dd1b0d0940280e40f75d5e4debb0f8.bin.sample.exe File opened (read-only) \??\Q: 5237aa6179a201f22ffaa6b114de37f020dd1b0d0940280e40f75d5e4debb0f8.bin.sample.exe File opened (read-only) \??\S: 5237aa6179a201f22ffaa6b114de37f020dd1b0d0940280e40f75d5e4debb0f8.bin.sample.exe File opened (read-only) \??\T: 5237aa6179a201f22ffaa6b114de37f020dd1b0d0940280e40f75d5e4debb0f8.bin.sample.exe -
Sets desktop wallpaper using registry 2 TTPs 1 IoCs
Processes:
5237aa6179a201f22ffaa6b114de37f020dd1b0d0940280e40f75d5e4debb0f8.bin.sample.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\\0b1539v134.bmp" 5237aa6179a201f22ffaa6b114de37f020dd1b0d0940280e40f75d5e4debb0f8.bin.sample.exe -
Drops file in Program Files directory 18 IoCs
Processes:
5237aa6179a201f22ffaa6b114de37f020dd1b0d0940280e40f75d5e4debb0f8.bin.sample.exedescription ioc process File opened for modification \??\c:\program files\BlockSplit.php 5237aa6179a201f22ffaa6b114de37f020dd1b0d0940280e40f75d5e4debb0f8.bin.sample.exe File opened for modification \??\c:\program files\UnpublishNew.mht 5237aa6179a201f22ffaa6b114de37f020dd1b0d0940280e40f75d5e4debb0f8.bin.sample.exe File opened for modification \??\c:\program files\WatchInitialize.ttc 5237aa6179a201f22ffaa6b114de37f020dd1b0d0940280e40f75d5e4debb0f8.bin.sample.exe File opened for modification \??\c:\program files\WriteInitialize.php 5237aa6179a201f22ffaa6b114de37f020dd1b0d0940280e40f75d5e4debb0f8.bin.sample.exe File opened for modification \??\c:\program files\PublishGrant.mpeg3 5237aa6179a201f22ffaa6b114de37f020dd1b0d0940280e40f75d5e4debb0f8.bin.sample.exe File opened for modification \??\c:\program files\SaveUninstall.potx 5237aa6179a201f22ffaa6b114de37f020dd1b0d0940280e40f75d5e4debb0f8.bin.sample.exe File opened for modification \??\c:\program files\SwitchReset.wma 5237aa6179a201f22ffaa6b114de37f020dd1b0d0940280e40f75d5e4debb0f8.bin.sample.exe File opened for modification \??\c:\program files\ConvertImport.wmx 5237aa6179a201f22ffaa6b114de37f020dd1b0d0940280e40f75d5e4debb0f8.bin.sample.exe File opened for modification \??\c:\program files\DisconnectExport.jtx 5237aa6179a201f22ffaa6b114de37f020dd1b0d0940280e40f75d5e4debb0f8.bin.sample.exe File opened for modification \??\c:\program files\MeasureInvoke.potm 5237aa6179a201f22ffaa6b114de37f020dd1b0d0940280e40f75d5e4debb0f8.bin.sample.exe File opened for modification \??\c:\program files\MeasureUpdate.wma 5237aa6179a201f22ffaa6b114de37f020dd1b0d0940280e40f75d5e4debb0f8.bin.sample.exe File opened for modification \??\c:\program files\SkipBackup.xhtml 5237aa6179a201f22ffaa6b114de37f020dd1b0d0940280e40f75d5e4debb0f8.bin.sample.exe File opened for modification \??\c:\program files\StartCompress.wvx 5237aa6179a201f22ffaa6b114de37f020dd1b0d0940280e40f75d5e4debb0f8.bin.sample.exe File opened for modification \??\c:\program files\GetConnect.xps 5237aa6179a201f22ffaa6b114de37f020dd1b0d0940280e40f75d5e4debb0f8.bin.sample.exe File opened for modification \??\c:\program files\PingEnable.gif 5237aa6179a201f22ffaa6b114de37f020dd1b0d0940280e40f75d5e4debb0f8.bin.sample.exe File opened for modification \??\c:\program files\SuspendSplit.ttf 5237aa6179a201f22ffaa6b114de37f020dd1b0d0940280e40f75d5e4debb0f8.bin.sample.exe File opened for modification \??\c:\program files\UnlockInstall.odp 5237aa6179a201f22ffaa6b114de37f020dd1b0d0940280e40f75d5e4debb0f8.bin.sample.exe File opened for modification \??\c:\program files\UpdateSkip.xht 5237aa6179a201f22ffaa6b114de37f020dd1b0d0940280e40f75d5e4debb0f8.bin.sample.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
5237aa6179a201f22ffaa6b114de37f020dd1b0d0940280e40f75d5e4debb0f8.bin.sample.exepid process 3212 5237aa6179a201f22ffaa6b114de37f020dd1b0d0940280e40f75d5e4debb0f8.bin.sample.exe 3212 5237aa6179a201f22ffaa6b114de37f020dd1b0d0940280e40f75d5e4debb0f8.bin.sample.exe 3212 5237aa6179a201f22ffaa6b114de37f020dd1b0d0940280e40f75d5e4debb0f8.bin.sample.exe 3212 5237aa6179a201f22ffaa6b114de37f020dd1b0d0940280e40f75d5e4debb0f8.bin.sample.exe -
Suspicious use of AdjustPrivilegeToken 5 IoCs
Processes:
5237aa6179a201f22ffaa6b114de37f020dd1b0d0940280e40f75d5e4debb0f8.bin.sample.exevssvc.exedescription pid process Token: SeDebugPrivilege 3212 5237aa6179a201f22ffaa6b114de37f020dd1b0d0940280e40f75d5e4debb0f8.bin.sample.exe Token: SeTakeOwnershipPrivilege 3212 5237aa6179a201f22ffaa6b114de37f020dd1b0d0940280e40f75d5e4debb0f8.bin.sample.exe Token: SeBackupPrivilege 3048 vssvc.exe Token: SeRestorePrivilege 3048 vssvc.exe Token: SeAuditPrivilege 3048 vssvc.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\5237aa6179a201f22ffaa6b114de37f020dd1b0d0940280e40f75d5e4debb0f8.bin.sample.exe"C:\Users\Admin\AppData\Local\Temp\5237aa6179a201f22ffaa6b114de37f020dd1b0d0940280e40f75d5e4debb0f8.bin.sample.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:3212
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C:\Windows\system32\wbem\unsecapp.exeC:\Windows\system32\wbem\unsecapp.exe -Embedding1⤵PID:2948
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3048
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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memory/3212-114-0x0000000000760000-0x0000000000761000-memory.dmpFilesize
4KB
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memory/3212-116-0x0000000002C00000-0x0000000002C3D000-memory.dmpFilesize
244KB
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memory/3212-118-0x0000000002CA0000-0x0000000002CC2000-memory.dmpFilesize
136KB
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memory/3212-117-0x0000000002C90000-0x0000000002C91000-memory.dmpFilesize
4KB