Analysis
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max time kernel
152s -
max time network
157s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
04-12-2022 20:22
Behavioral task
behavioral1
Sample
ae51159dc4bf82756e1a1d174c79569f3a0dfb7e6ac4ae85f70ba471a1cd101e.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
ae51159dc4bf82756e1a1d174c79569f3a0dfb7e6ac4ae85f70ba471a1cd101e.exe
Resource
win10v2004-20221111-en
General
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Target
ae51159dc4bf82756e1a1d174c79569f3a0dfb7e6ac4ae85f70ba471a1cd101e.exe
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Size
164KB
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MD5
d80cdb5a52e2f47dbd3ef4c8f43bcc13
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SHA1
69a95fe11c575f0ec77958e0becd197c26df1e3c
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SHA256
ae51159dc4bf82756e1a1d174c79569f3a0dfb7e6ac4ae85f70ba471a1cd101e
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SHA512
f013a1d23bd31c54f2040c5061b372ccd55bad689b1bb820c00d3796aee1dfffd67b5cc5d0358d2b744a33818d5f3aae523de0452aa65faad281ab1b9ac64c21
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SSDEEP
3072:ffYWjswg4fQlt4ndm8jX5IXzs+M9VQHDO/Qkh1c/5n:ffYWAw9fcUdmwIXo+M9VQHDi/q5
Malware Config
Extracted
C:\x5147b-readme.txt
sodinokibi
http://aplebzu47wgazapdqks6vrcv6zcnjppkbxbr6wketf56nf6aq2nmyoyd.onion/AC3797928C2C1E0B
http://decryptor.top/AC3797928C2C1E0B
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:
ae51159dc4bf82756e1a1d174c79569f3a0dfb7e6ac4ae85f70ba471a1cd101e.exedescription ioc process File renamed C:\Users\Admin\Pictures\UnpublishRestart.raw => \??\c:\users\admin\pictures\UnpublishRestart.raw.x5147b ae51159dc4bf82756e1a1d174c79569f3a0dfb7e6ac4ae85f70ba471a1cd101e.exe File renamed C:\Users\Admin\Pictures\WatchDisable.crw => \??\c:\users\admin\pictures\WatchDisable.crw.x5147b ae51159dc4bf82756e1a1d174c79569f3a0dfb7e6ac4ae85f70ba471a1cd101e.exe File opened for modification \??\c:\users\admin\pictures\ResolveGroup.tiff ae51159dc4bf82756e1a1d174c79569f3a0dfb7e6ac4ae85f70ba471a1cd101e.exe File renamed C:\Users\Admin\Pictures\ConvertToLock.png => \??\c:\users\admin\pictures\ConvertToLock.png.x5147b ae51159dc4bf82756e1a1d174c79569f3a0dfb7e6ac4ae85f70ba471a1cd101e.exe File renamed C:\Users\Admin\Pictures\MergeResolve.crw => \??\c:\users\admin\pictures\MergeResolve.crw.x5147b ae51159dc4bf82756e1a1d174c79569f3a0dfb7e6ac4ae85f70ba471a1cd101e.exe File renamed C:\Users\Admin\Pictures\ResolveGroup.tiff => \??\c:\users\admin\pictures\ResolveGroup.tiff.x5147b ae51159dc4bf82756e1a1d174c79569f3a0dfb7e6ac4ae85f70ba471a1cd101e.exe File renamed C:\Users\Admin\Pictures\SendBlock.raw => \??\c:\users\admin\pictures\SendBlock.raw.x5147b ae51159dc4bf82756e1a1d174c79569f3a0dfb7e6ac4ae85f70ba471a1cd101e.exe File opened for modification \??\c:\users\admin\pictures\DenyHide.tiff ae51159dc4bf82756e1a1d174c79569f3a0dfb7e6ac4ae85f70ba471a1cd101e.exe File renamed C:\Users\Admin\Pictures\DenyHide.tiff => \??\c:\users\admin\pictures\DenyHide.tiff.x5147b ae51159dc4bf82756e1a1d174c79569f3a0dfb7e6ac4ae85f70ba471a1cd101e.exe File renamed C:\Users\Admin\Pictures\WriteOptimize.png => \??\c:\users\admin\pictures\WriteOptimize.png.x5147b ae51159dc4bf82756e1a1d174c79569f3a0dfb7e6ac4ae85f70ba471a1cd101e.exe -
Enumerates connected drives 3 TTPs 25 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
ae51159dc4bf82756e1a1d174c79569f3a0dfb7e6ac4ae85f70ba471a1cd101e.exedescription ioc process File opened (read-only) \??\B: ae51159dc4bf82756e1a1d174c79569f3a0dfb7e6ac4ae85f70ba471a1cd101e.exe File opened (read-only) \??\K: ae51159dc4bf82756e1a1d174c79569f3a0dfb7e6ac4ae85f70ba471a1cd101e.exe File opened (read-only) \??\L: ae51159dc4bf82756e1a1d174c79569f3a0dfb7e6ac4ae85f70ba471a1cd101e.exe File opened (read-only) \??\N: ae51159dc4bf82756e1a1d174c79569f3a0dfb7e6ac4ae85f70ba471a1cd101e.exe File opened (read-only) \??\Q: ae51159dc4bf82756e1a1d174c79569f3a0dfb7e6ac4ae85f70ba471a1cd101e.exe File opened (read-only) \??\R: ae51159dc4bf82756e1a1d174c79569f3a0dfb7e6ac4ae85f70ba471a1cd101e.exe File opened (read-only) \??\S: ae51159dc4bf82756e1a1d174c79569f3a0dfb7e6ac4ae85f70ba471a1cd101e.exe File opened (read-only) \??\T: ae51159dc4bf82756e1a1d174c79569f3a0dfb7e6ac4ae85f70ba471a1cd101e.exe File opened (read-only) \??\A: ae51159dc4bf82756e1a1d174c79569f3a0dfb7e6ac4ae85f70ba471a1cd101e.exe File opened (read-only) \??\E: ae51159dc4bf82756e1a1d174c79569f3a0dfb7e6ac4ae85f70ba471a1cd101e.exe File opened (read-only) \??\H: ae51159dc4bf82756e1a1d174c79569f3a0dfb7e6ac4ae85f70ba471a1cd101e.exe File opened (read-only) \??\I: ae51159dc4bf82756e1a1d174c79569f3a0dfb7e6ac4ae85f70ba471a1cd101e.exe File opened (read-only) \??\J: ae51159dc4bf82756e1a1d174c79569f3a0dfb7e6ac4ae85f70ba471a1cd101e.exe File opened (read-only) \??\U: ae51159dc4bf82756e1a1d174c79569f3a0dfb7e6ac4ae85f70ba471a1cd101e.exe File opened (read-only) \??\W: ae51159dc4bf82756e1a1d174c79569f3a0dfb7e6ac4ae85f70ba471a1cd101e.exe File opened (read-only) \??\Z: ae51159dc4bf82756e1a1d174c79569f3a0dfb7e6ac4ae85f70ba471a1cd101e.exe File opened (read-only) \??\G: ae51159dc4bf82756e1a1d174c79569f3a0dfb7e6ac4ae85f70ba471a1cd101e.exe File opened (read-only) \??\O: ae51159dc4bf82756e1a1d174c79569f3a0dfb7e6ac4ae85f70ba471a1cd101e.exe File opened (read-only) \??\P: ae51159dc4bf82756e1a1d174c79569f3a0dfb7e6ac4ae85f70ba471a1cd101e.exe File opened (read-only) \??\V: ae51159dc4bf82756e1a1d174c79569f3a0dfb7e6ac4ae85f70ba471a1cd101e.exe File opened (read-only) \??\D: ae51159dc4bf82756e1a1d174c79569f3a0dfb7e6ac4ae85f70ba471a1cd101e.exe File opened (read-only) \??\F: ae51159dc4bf82756e1a1d174c79569f3a0dfb7e6ac4ae85f70ba471a1cd101e.exe File opened (read-only) \??\M: ae51159dc4bf82756e1a1d174c79569f3a0dfb7e6ac4ae85f70ba471a1cd101e.exe File opened (read-only) \??\X: ae51159dc4bf82756e1a1d174c79569f3a0dfb7e6ac4ae85f70ba471a1cd101e.exe File opened (read-only) \??\Y: ae51159dc4bf82756e1a1d174c79569f3a0dfb7e6ac4ae85f70ba471a1cd101e.exe -
Sets desktop wallpaper using registry 2 TTPs 1 IoCs
Processes:
ae51159dc4bf82756e1a1d174c79569f3a0dfb7e6ac4ae85f70ba471a1cd101e.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\a9he7d06nq2p5.bmp" ae51159dc4bf82756e1a1d174c79569f3a0dfb7e6ac4ae85f70ba471a1cd101e.exe -
Drops file in Program Files directory 10 IoCs
Processes:
ae51159dc4bf82756e1a1d174c79569f3a0dfb7e6ac4ae85f70ba471a1cd101e.exedescription ioc process File opened for modification \??\c:\program files\WritePublish.emf ae51159dc4bf82756e1a1d174c79569f3a0dfb7e6ac4ae85f70ba471a1cd101e.exe File created \??\c:\program files (x86)\x5147b-readme.txt ae51159dc4bf82756e1a1d174c79569f3a0dfb7e6ac4ae85f70ba471a1cd101e.exe File opened for modification \??\c:\program files\DenySwitch.xml ae51159dc4bf82756e1a1d174c79569f3a0dfb7e6ac4ae85f70ba471a1cd101e.exe File opened for modification \??\c:\program files\SearchMerge.mp4 ae51159dc4bf82756e1a1d174c79569f3a0dfb7e6ac4ae85f70ba471a1cd101e.exe File opened for modification \??\c:\program files\SuspendCheckpoint.eprtx ae51159dc4bf82756e1a1d174c79569f3a0dfb7e6ac4ae85f70ba471a1cd101e.exe File opened for modification \??\c:\program files\WaitRead.TS ae51159dc4bf82756e1a1d174c79569f3a0dfb7e6ac4ae85f70ba471a1cd101e.exe File created \??\c:\program files\x5147b-readme.txt ae51159dc4bf82756e1a1d174c79569f3a0dfb7e6ac4ae85f70ba471a1cd101e.exe File opened for modification \??\c:\program files\ConvertFromExport.dib ae51159dc4bf82756e1a1d174c79569f3a0dfb7e6ac4ae85f70ba471a1cd101e.exe File opened for modification \??\c:\program files\OpenFormat.tmp ae51159dc4bf82756e1a1d174c79569f3a0dfb7e6ac4ae85f70ba471a1cd101e.exe File opened for modification \??\c:\program files\UnblockInvoke.dotx ae51159dc4bf82756e1a1d174c79569f3a0dfb7e6ac4ae85f70ba471a1cd101e.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
ae51159dc4bf82756e1a1d174c79569f3a0dfb7e6ac4ae85f70ba471a1cd101e.exepowershell.exepid process 4852 ae51159dc4bf82756e1a1d174c79569f3a0dfb7e6ac4ae85f70ba471a1cd101e.exe 4852 ae51159dc4bf82756e1a1d174c79569f3a0dfb7e6ac4ae85f70ba471a1cd101e.exe 4252 powershell.exe 4252 powershell.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes:
powershell.exevssvc.exedescription pid process Token: SeDebugPrivilege 4252 powershell.exe Token: SeBackupPrivilege 4256 vssvc.exe Token: SeRestorePrivilege 4256 vssvc.exe Token: SeAuditPrivilege 4256 vssvc.exe -
Suspicious use of WriteProcessMemory 2 IoCs
Processes:
ae51159dc4bf82756e1a1d174c79569f3a0dfb7e6ac4ae85f70ba471a1cd101e.exedescription pid process target process PID 4852 wrote to memory of 4252 4852 ae51159dc4bf82756e1a1d174c79569f3a0dfb7e6ac4ae85f70ba471a1cd101e.exe powershell.exe PID 4852 wrote to memory of 4252 4852 ae51159dc4bf82756e1a1d174c79569f3a0dfb7e6ac4ae85f70ba471a1cd101e.exe powershell.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\ae51159dc4bf82756e1a1d174c79569f3a0dfb7e6ac4ae85f70ba471a1cd101e.exe"C:\Users\Admin\AppData\Local\Temp\ae51159dc4bf82756e1a1d174c79569f3a0dfb7e6ac4ae85f70ba471a1cd101e.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 WriteProcessMemory
PID:4852 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell -e RwBlAHQALQBXAG0AaQBPAGIAagBlAGMAdAAgAFcAaQBuADMAMgBfAFMAaABhAGQAbwB3AGMAbwBwAHkAIAB8ACAARgBvAHIARQBhAGMAaAAtAE8AYgBqAGUAYwB0ACAAewAkAF8ALgBEAGUAbABlAHQAZQAoACkAOwB9AA==2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4252
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C:\Windows\system32\wbem\unsecapp.exeC:\Windows\system32\wbem\unsecapp.exe -Embedding1⤵PID:3008
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4256