Analysis
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max time kernel
136s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
17-06-2022 13:26
Static task
static1
Behavioral task
behavioral1
Sample
ab0aa003d7238940cbdf7393677f968c4a252516de7f0699cd4654abd2e7ae83.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
ab0aa003d7238940cbdf7393677f968c4a252516de7f0699cd4654abd2e7ae83.exe
Resource
win10v2004-20220414-en
General
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Target
ab0aa003d7238940cbdf7393677f968c4a252516de7f0699cd4654abd2e7ae83.exe
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Size
137KB
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MD5
21d01fa87dfcaf971ff7b63a1a6fda94
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SHA1
f3caa9831fc715af4f47cd98803549902dffe30a
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SHA256
ab0aa003d7238940cbdf7393677f968c4a252516de7f0699cd4654abd2e7ae83
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SHA512
f89997f8c31d77029f1087257a5b24337f9989bebfbe4169067acae72a5dd50ce118d273fae00690ef2e2bf345901d723034992f53dd3e5b9df5cbe9be2e67fa
Malware Config
Extracted
C:\7sc8022n-readme.txt
http://aplebzu47wgazapdqks6vrcv6zcnjppkbxbr6wketf56nf6aq2nmyoyd.onion/6C9400D6B3ACAF42
Signatures
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Modifies extensions of user files 10 IoCs
Ransomware generally changes the extension on encrypted files.
Processes:
ab0aa003d7238940cbdf7393677f968c4a252516de7f0699cd4654abd2e7ae83.exedescription ioc process File renamed C:\Users\Admin\Pictures\SendUndo.png => \??\c:\users\admin\pictures\SendUndo.png.7sc8022n ab0aa003d7238940cbdf7393677f968c4a252516de7f0699cd4654abd2e7ae83.exe File renamed C:\Users\Admin\Pictures\AddDismount.tiff => \??\c:\users\admin\pictures\AddDismount.tiff.7sc8022n ab0aa003d7238940cbdf7393677f968c4a252516de7f0699cd4654abd2e7ae83.exe File renamed C:\Users\Admin\Pictures\ConvertToExpand.tif => \??\c:\users\admin\pictures\ConvertToExpand.tif.7sc8022n ab0aa003d7238940cbdf7393677f968c4a252516de7f0699cd4654abd2e7ae83.exe File renamed C:\Users\Admin\Pictures\DisableLimit.png => \??\c:\users\admin\pictures\DisableLimit.png.7sc8022n ab0aa003d7238940cbdf7393677f968c4a252516de7f0699cd4654abd2e7ae83.exe File renamed C:\Users\Admin\Pictures\PopSwitch.tif => \??\c:\users\admin\pictures\PopSwitch.tif.7sc8022n ab0aa003d7238940cbdf7393677f968c4a252516de7f0699cd4654abd2e7ae83.exe File renamed C:\Users\Admin\Pictures\SendReceive.png => \??\c:\users\admin\pictures\SendReceive.png.7sc8022n ab0aa003d7238940cbdf7393677f968c4a252516de7f0699cd4654abd2e7ae83.exe File opened for modification \??\c:\users\admin\pictures\AddDismount.tiff ab0aa003d7238940cbdf7393677f968c4a252516de7f0699cd4654abd2e7ae83.exe File renamed C:\Users\Admin\Pictures\BackupSearch.tif => \??\c:\users\admin\pictures\BackupSearch.tif.7sc8022n ab0aa003d7238940cbdf7393677f968c4a252516de7f0699cd4654abd2e7ae83.exe File renamed C:\Users\Admin\Pictures\CompareRedo.crw => \??\c:\users\admin\pictures\CompareRedo.crw.7sc8022n ab0aa003d7238940cbdf7393677f968c4a252516de7f0699cd4654abd2e7ae83.exe File renamed C:\Users\Admin\Pictures\ConfirmInvoke.raw => \??\c:\users\admin\pictures\ConfirmInvoke.raw.7sc8022n ab0aa003d7238940cbdf7393677f968c4a252516de7f0699cd4654abd2e7ae83.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:
ab0aa003d7238940cbdf7393677f968c4a252516de7f0699cd4654abd2e7ae83.exedescription ioc process File opened (read-only) \??\F: ab0aa003d7238940cbdf7393677f968c4a252516de7f0699cd4654abd2e7ae83.exe File opened (read-only) \??\T: ab0aa003d7238940cbdf7393677f968c4a252516de7f0699cd4654abd2e7ae83.exe File opened (read-only) \??\U: ab0aa003d7238940cbdf7393677f968c4a252516de7f0699cd4654abd2e7ae83.exe File opened (read-only) \??\P: ab0aa003d7238940cbdf7393677f968c4a252516de7f0699cd4654abd2e7ae83.exe File opened (read-only) \??\Q: ab0aa003d7238940cbdf7393677f968c4a252516de7f0699cd4654abd2e7ae83.exe File opened (read-only) \??\R: ab0aa003d7238940cbdf7393677f968c4a252516de7f0699cd4654abd2e7ae83.exe File opened (read-only) \??\S: ab0aa003d7238940cbdf7393677f968c4a252516de7f0699cd4654abd2e7ae83.exe File opened (read-only) \??\H: ab0aa003d7238940cbdf7393677f968c4a252516de7f0699cd4654abd2e7ae83.exe File opened (read-only) \??\I: ab0aa003d7238940cbdf7393677f968c4a252516de7f0699cd4654abd2e7ae83.exe File opened (read-only) \??\K: ab0aa003d7238940cbdf7393677f968c4a252516de7f0699cd4654abd2e7ae83.exe File opened (read-only) \??\O: ab0aa003d7238940cbdf7393677f968c4a252516de7f0699cd4654abd2e7ae83.exe File opened (read-only) \??\X: ab0aa003d7238940cbdf7393677f968c4a252516de7f0699cd4654abd2e7ae83.exe File opened (read-only) \??\Y: ab0aa003d7238940cbdf7393677f968c4a252516de7f0699cd4654abd2e7ae83.exe File opened (read-only) \??\D: ab0aa003d7238940cbdf7393677f968c4a252516de7f0699cd4654abd2e7ae83.exe File opened (read-only) \??\A: ab0aa003d7238940cbdf7393677f968c4a252516de7f0699cd4654abd2e7ae83.exe File opened (read-only) \??\B: ab0aa003d7238940cbdf7393677f968c4a252516de7f0699cd4654abd2e7ae83.exe File opened (read-only) \??\G: ab0aa003d7238940cbdf7393677f968c4a252516de7f0699cd4654abd2e7ae83.exe File opened (read-only) \??\V: ab0aa003d7238940cbdf7393677f968c4a252516de7f0699cd4654abd2e7ae83.exe File opened (read-only) \??\N: ab0aa003d7238940cbdf7393677f968c4a252516de7f0699cd4654abd2e7ae83.exe File opened (read-only) \??\W: ab0aa003d7238940cbdf7393677f968c4a252516de7f0699cd4654abd2e7ae83.exe File opened (read-only) \??\Z: ab0aa003d7238940cbdf7393677f968c4a252516de7f0699cd4654abd2e7ae83.exe File opened (read-only) \??\E: ab0aa003d7238940cbdf7393677f968c4a252516de7f0699cd4654abd2e7ae83.exe File opened (read-only) \??\J: ab0aa003d7238940cbdf7393677f968c4a252516de7f0699cd4654abd2e7ae83.exe File opened (read-only) \??\L: ab0aa003d7238940cbdf7393677f968c4a252516de7f0699cd4654abd2e7ae83.exe File opened (read-only) \??\M: ab0aa003d7238940cbdf7393677f968c4a252516de7f0699cd4654abd2e7ae83.exe -
Sets desktop wallpaper using registry 2 TTPs 1 IoCs
Processes:
ab0aa003d7238940cbdf7393677f968c4a252516de7f0699cd4654abd2e7ae83.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\hz2i71q71de.bmp" ab0aa003d7238940cbdf7393677f968c4a252516de7f0699cd4654abd2e7ae83.exe -
Drops file in Program Files directory 19 IoCs
Processes:
ab0aa003d7238940cbdf7393677f968c4a252516de7f0699cd4654abd2e7ae83.exedescription ioc process File created \??\c:\program files (x86)\7sc8022n-readme.txt ab0aa003d7238940cbdf7393677f968c4a252516de7f0699cd4654abd2e7ae83.exe File opened for modification \??\c:\program files\CompressCheckpoint.jpg ab0aa003d7238940cbdf7393677f968c4a252516de7f0699cd4654abd2e7ae83.exe File opened for modification \??\c:\program files\RedoBlock.rtf ab0aa003d7238940cbdf7393677f968c4a252516de7f0699cd4654abd2e7ae83.exe File opened for modification \??\c:\program files\RenameAdd.ram ab0aa003d7238940cbdf7393677f968c4a252516de7f0699cd4654abd2e7ae83.exe File opened for modification \??\c:\program files\StopApprove.ini ab0aa003d7238940cbdf7393677f968c4a252516de7f0699cd4654abd2e7ae83.exe File opened for modification \??\c:\program files\SearchCompress.docx ab0aa003d7238940cbdf7393677f968c4a252516de7f0699cd4654abd2e7ae83.exe File opened for modification \??\c:\program files\UnpublishDeny.3gp ab0aa003d7238940cbdf7393677f968c4a252516de7f0699cd4654abd2e7ae83.exe File created \??\c:\program files\7sc8022n-readme.txt ab0aa003d7238940cbdf7393677f968c4a252516de7f0699cd4654abd2e7ae83.exe File opened for modification \??\c:\program files\BackupEnter.wvx ab0aa003d7238940cbdf7393677f968c4a252516de7f0699cd4654abd2e7ae83.exe File opened for modification \??\c:\program files\ClearRename.DVR ab0aa003d7238940cbdf7393677f968c4a252516de7f0699cd4654abd2e7ae83.exe File opened for modification \??\c:\program files\EnterNew.kix ab0aa003d7238940cbdf7393677f968c4a252516de7f0699cd4654abd2e7ae83.exe File opened for modification \??\c:\program files\MergeUndo.m3u ab0aa003d7238940cbdf7393677f968c4a252516de7f0699cd4654abd2e7ae83.exe File opened for modification \??\c:\program files\SaveReceive.vsdx ab0aa003d7238940cbdf7393677f968c4a252516de7f0699cd4654abd2e7ae83.exe File opened for modification \??\c:\program files\ComparePop.mp2v ab0aa003d7238940cbdf7393677f968c4a252516de7f0699cd4654abd2e7ae83.exe File opened for modification \??\c:\program files\SuspendLimit.temp ab0aa003d7238940cbdf7393677f968c4a252516de7f0699cd4654abd2e7ae83.exe File opened for modification \??\c:\program files\ConfirmRestore.ADT ab0aa003d7238940cbdf7393677f968c4a252516de7f0699cd4654abd2e7ae83.exe File opened for modification \??\c:\program files\ConvertConfirm.txt ab0aa003d7238940cbdf7393677f968c4a252516de7f0699cd4654abd2e7ae83.exe File opened for modification \??\c:\program files\ConvertToConvert.vdw ab0aa003d7238940cbdf7393677f968c4a252516de7f0699cd4654abd2e7ae83.exe File opened for modification \??\c:\program files\RestoreUnprotect.emz ab0aa003d7238940cbdf7393677f968c4a252516de7f0699cd4654abd2e7ae83.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
ab0aa003d7238940cbdf7393677f968c4a252516de7f0699cd4654abd2e7ae83.exepid process 3948 ab0aa003d7238940cbdf7393677f968c4a252516de7f0699cd4654abd2e7ae83.exe 3948 ab0aa003d7238940cbdf7393677f968c4a252516de7f0699cd4654abd2e7ae83.exe 3948 ab0aa003d7238940cbdf7393677f968c4a252516de7f0699cd4654abd2e7ae83.exe 3948 ab0aa003d7238940cbdf7393677f968c4a252516de7f0699cd4654abd2e7ae83.exe -
Suspicious use of AdjustPrivilegeToken 5 IoCs
Processes:
ab0aa003d7238940cbdf7393677f968c4a252516de7f0699cd4654abd2e7ae83.exevssvc.exedescription pid process Token: SeDebugPrivilege 3948 ab0aa003d7238940cbdf7393677f968c4a252516de7f0699cd4654abd2e7ae83.exe Token: SeTakeOwnershipPrivilege 3948 ab0aa003d7238940cbdf7393677f968c4a252516de7f0699cd4654abd2e7ae83.exe Token: SeBackupPrivilege 4884 vssvc.exe Token: SeRestorePrivilege 4884 vssvc.exe Token: SeAuditPrivilege 4884 vssvc.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\ab0aa003d7238940cbdf7393677f968c4a252516de7f0699cd4654abd2e7ae83.exe"C:\Users\Admin\AppData\Local\Temp\ab0aa003d7238940cbdf7393677f968c4a252516de7f0699cd4654abd2e7ae83.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
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C:\Windows\system32\wbem\unsecapp.exeC:\Windows\system32\wbem\unsecapp.exe -Embedding1⤵
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken