Resubmissions
15-11-2022 15:46
221115-s7lzfsee84 1015-11-2022 12:06
221115-n9rv9she9w 1024-01-2022 02:17
220124-cqp2saaca8 10Analysis
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max time kernel
1800s -
max time network
1802s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
15-11-2022 12:06
Static task
static1
Behavioral task
behavioral1
Sample
372c8276ab7cad70ccf296722462d7b8727e8563c0bfe4344184e1bc3afc27fc.exe
Resource
win10v2004-20221111-en
General
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Target
372c8276ab7cad70ccf296722462d7b8727e8563c0bfe4344184e1bc3afc27fc.exe
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Size
166KB
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MD5
b67606d382f50ebf76848d023decee20
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SHA1
6c72756b12b03a2a594b8bb308944396438ec979
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SHA256
372c8276ab7cad70ccf296722462d7b8727e8563c0bfe4344184e1bc3afc27fc
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SHA512
8eb8f1b6e5e2ee73e5fa1fe3f6b327f2c643624c55a8d3d4f215623ce2c3f35beb84f77c17ad7f1a54b12d56a7d67882395df803e8461d3e5d5310d46fec642f
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SSDEEP
3072:1LFrb30BRtBZZg+i2ayy2RjLTuVyu7CJDgoMT3QIlGKeJ4aAN:ZJ0BXScFy2RsQJ8zgvKO4V
Malware Config
Extracted
C:\5g8v2g6-readme.txt
sodinokibi
http://aplebzu47wgazapdqks6vrcv6zcnjppkbxbr6wketf56nf6aq2nmyoyd.onion/DBE32AE741C73137
http://decryptor.cc/DBE32AE741C73137
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 5 IoCs
Ransomware generally changes the extension on encrypted files.
Processes:
372c8276ab7cad70ccf296722462d7b8727e8563c0bfe4344184e1bc3afc27fc.exedescription ioc process File renamed C:\Users\Admin\Pictures\ClearSearch.crw => \??\c:\users\admin\pictures\ClearSearch.crw.5g8v2g6 372c8276ab7cad70ccf296722462d7b8727e8563c0bfe4344184e1bc3afc27fc.exe File renamed C:\Users\Admin\Pictures\ResolveSkip.crw => \??\c:\users\admin\pictures\ResolveSkip.crw.5g8v2g6 372c8276ab7cad70ccf296722462d7b8727e8563c0bfe4344184e1bc3afc27fc.exe File renamed C:\Users\Admin\Pictures\PublishExport.crw => \??\c:\users\admin\pictures\PublishExport.crw.5g8v2g6 372c8276ab7cad70ccf296722462d7b8727e8563c0bfe4344184e1bc3afc27fc.exe File opened for modification \??\c:\users\admin\pictures\ClearExit.tiff 372c8276ab7cad70ccf296722462d7b8727e8563c0bfe4344184e1bc3afc27fc.exe File renamed C:\Users\Admin\Pictures\ClearExit.tiff => \??\c:\users\admin\pictures\ClearExit.tiff.5g8v2g6 372c8276ab7cad70ccf296722462d7b8727e8563c0bfe4344184e1bc3afc27fc.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
372c8276ab7cad70ccf296722462d7b8727e8563c0bfe4344184e1bc3afc27fc.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run 372c8276ab7cad70ccf296722462d7b8727e8563c0bfe4344184e1bc3afc27fc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\k51299BQXH = "C:\\Users\\Admin\\AppData\\Local\\Temp\\372c8276ab7cad70ccf296722462d7b8727e8563c0bfe4344184e1bc3afc27fc.exe" 372c8276ab7cad70ccf296722462d7b8727e8563c0bfe4344184e1bc3afc27fc.exe -
Enumerates connected drives 3 TTPs 25 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
372c8276ab7cad70ccf296722462d7b8727e8563c0bfe4344184e1bc3afc27fc.exedescription ioc process File opened (read-only) \??\B: 372c8276ab7cad70ccf296722462d7b8727e8563c0bfe4344184e1bc3afc27fc.exe File opened (read-only) \??\K: 372c8276ab7cad70ccf296722462d7b8727e8563c0bfe4344184e1bc3afc27fc.exe File opened (read-only) \??\L: 372c8276ab7cad70ccf296722462d7b8727e8563c0bfe4344184e1bc3afc27fc.exe File opened (read-only) \??\O: 372c8276ab7cad70ccf296722462d7b8727e8563c0bfe4344184e1bc3afc27fc.exe File opened (read-only) \??\Q: 372c8276ab7cad70ccf296722462d7b8727e8563c0bfe4344184e1bc3afc27fc.exe File opened (read-only) \??\S: 372c8276ab7cad70ccf296722462d7b8727e8563c0bfe4344184e1bc3afc27fc.exe File opened (read-only) \??\D: 372c8276ab7cad70ccf296722462d7b8727e8563c0bfe4344184e1bc3afc27fc.exe File opened (read-only) \??\E: 372c8276ab7cad70ccf296722462d7b8727e8563c0bfe4344184e1bc3afc27fc.exe File opened (read-only) \??\H: 372c8276ab7cad70ccf296722462d7b8727e8563c0bfe4344184e1bc3afc27fc.exe File opened (read-only) \??\M: 372c8276ab7cad70ccf296722462d7b8727e8563c0bfe4344184e1bc3afc27fc.exe File opened (read-only) \??\P: 372c8276ab7cad70ccf296722462d7b8727e8563c0bfe4344184e1bc3afc27fc.exe File opened (read-only) \??\U: 372c8276ab7cad70ccf296722462d7b8727e8563c0bfe4344184e1bc3afc27fc.exe File opened (read-only) \??\A: 372c8276ab7cad70ccf296722462d7b8727e8563c0bfe4344184e1bc3afc27fc.exe File opened (read-only) \??\G: 372c8276ab7cad70ccf296722462d7b8727e8563c0bfe4344184e1bc3afc27fc.exe File opened (read-only) \??\N: 372c8276ab7cad70ccf296722462d7b8727e8563c0bfe4344184e1bc3afc27fc.exe File opened (read-only) \??\X: 372c8276ab7cad70ccf296722462d7b8727e8563c0bfe4344184e1bc3afc27fc.exe File opened (read-only) \??\Y: 372c8276ab7cad70ccf296722462d7b8727e8563c0bfe4344184e1bc3afc27fc.exe File opened (read-only) \??\Z: 372c8276ab7cad70ccf296722462d7b8727e8563c0bfe4344184e1bc3afc27fc.exe File opened (read-only) \??\F: 372c8276ab7cad70ccf296722462d7b8727e8563c0bfe4344184e1bc3afc27fc.exe File opened (read-only) \??\I: 372c8276ab7cad70ccf296722462d7b8727e8563c0bfe4344184e1bc3afc27fc.exe File opened (read-only) \??\J: 372c8276ab7cad70ccf296722462d7b8727e8563c0bfe4344184e1bc3afc27fc.exe File opened (read-only) \??\R: 372c8276ab7cad70ccf296722462d7b8727e8563c0bfe4344184e1bc3afc27fc.exe File opened (read-only) \??\T: 372c8276ab7cad70ccf296722462d7b8727e8563c0bfe4344184e1bc3afc27fc.exe File opened (read-only) \??\V: 372c8276ab7cad70ccf296722462d7b8727e8563c0bfe4344184e1bc3afc27fc.exe File opened (read-only) \??\W: 372c8276ab7cad70ccf296722462d7b8727e8563c0bfe4344184e1bc3afc27fc.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs
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Sets desktop wallpaper using registry 2 TTPs 1 IoCs
Processes:
372c8276ab7cad70ccf296722462d7b8727e8563c0bfe4344184e1bc3afc27fc.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\\o5392cp215ie.bmp" 372c8276ab7cad70ccf296722462d7b8727e8563c0bfe4344184e1bc3afc27fc.exe -
Drops file in Program Files directory 11 IoCs
Processes:
372c8276ab7cad70ccf296722462d7b8727e8563c0bfe4344184e1bc3afc27fc.exedescription ioc process File opened for modification \??\c:\program files\GroupLimit.edrwx 372c8276ab7cad70ccf296722462d7b8727e8563c0bfe4344184e1bc3afc27fc.exe File opened for modification \??\c:\program files\ReadRename.vdx 372c8276ab7cad70ccf296722462d7b8727e8563c0bfe4344184e1bc3afc27fc.exe File opened for modification \??\c:\program files\ResumeRename.au 372c8276ab7cad70ccf296722462d7b8727e8563c0bfe4344184e1bc3afc27fc.exe File opened for modification \??\c:\program files\WriteExit.xps 372c8276ab7cad70ccf296722462d7b8727e8563c0bfe4344184e1bc3afc27fc.exe File opened for modification \??\c:\program files\FormatRead.wmf 372c8276ab7cad70ccf296722462d7b8727e8563c0bfe4344184e1bc3afc27fc.exe File created \??\c:\program files (x86)\5g8v2g6-readme.txt 372c8276ab7cad70ccf296722462d7b8727e8563c0bfe4344184e1bc3afc27fc.exe File opened for modification \??\c:\program files\ExitEnter.midi 372c8276ab7cad70ccf296722462d7b8727e8563c0bfe4344184e1bc3afc27fc.exe File opened for modification \??\c:\program files\OpenMove.vdw 372c8276ab7cad70ccf296722462d7b8727e8563c0bfe4344184e1bc3afc27fc.exe File opened for modification \??\c:\program files\SetApprove.M2T 372c8276ab7cad70ccf296722462d7b8727e8563c0bfe4344184e1bc3afc27fc.exe File opened for modification \??\c:\program files\StopSubmit.zip 372c8276ab7cad70ccf296722462d7b8727e8563c0bfe4344184e1bc3afc27fc.exe File created \??\c:\program files\5g8v2g6-readme.txt 372c8276ab7cad70ccf296722462d7b8727e8563c0bfe4344184e1bc3afc27fc.exe -
Processes:
372c8276ab7cad70ccf296722462d7b8727e8563c0bfe4344184e1bc3afc27fc.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\SystemCertificates\CA\Certificates\151682F5218C0A511C28F4060A73B9CA78CE9A53 372c8276ab7cad70ccf296722462d7b8727e8563c0bfe4344184e1bc3afc27fc.exe Set value (data) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\SystemCertificates\CA\Certificates\151682F5218C0A511C28F4060A73B9CA78CE9A53\Blob = 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 372c8276ab7cad70ccf296722462d7b8727e8563c0bfe4344184e1bc3afc27fc.exe Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\SystemCertificates\CA\Certificates\33E4E80807204C2B6182A3A14B591ACD25B5F0DB 372c8276ab7cad70ccf296722462d7b8727e8563c0bfe4344184e1bc3afc27fc.exe Set value (data) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\SystemCertificates\CA\Certificates\33E4E80807204C2B6182A3A14B591ACD25B5F0DB\Blob = 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 372c8276ab7cad70ccf296722462d7b8727e8563c0bfe4344184e1bc3afc27fc.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
372c8276ab7cad70ccf296722462d7b8727e8563c0bfe4344184e1bc3afc27fc.exepowershell.exepid process 2760 372c8276ab7cad70ccf296722462d7b8727e8563c0bfe4344184e1bc3afc27fc.exe 2760 372c8276ab7cad70ccf296722462d7b8727e8563c0bfe4344184e1bc3afc27fc.exe 396 powershell.exe 396 powershell.exe -
Suspicious use of AdjustPrivilegeToken 5 IoCs
Processes:
372c8276ab7cad70ccf296722462d7b8727e8563c0bfe4344184e1bc3afc27fc.exepowershell.exevssvc.exedescription pid process Token: SeDebugPrivilege 2760 372c8276ab7cad70ccf296722462d7b8727e8563c0bfe4344184e1bc3afc27fc.exe Token: SeDebugPrivilege 396 powershell.exe Token: SeBackupPrivilege 2024 vssvc.exe Token: SeRestorePrivilege 2024 vssvc.exe Token: SeAuditPrivilege 2024 vssvc.exe -
Suspicious use of WriteProcessMemory 2 IoCs
Processes:
372c8276ab7cad70ccf296722462d7b8727e8563c0bfe4344184e1bc3afc27fc.exedescription pid process target process PID 2760 wrote to memory of 396 2760 372c8276ab7cad70ccf296722462d7b8727e8563c0bfe4344184e1bc3afc27fc.exe powershell.exe PID 2760 wrote to memory of 396 2760 372c8276ab7cad70ccf296722462d7b8727e8563c0bfe4344184e1bc3afc27fc.exe powershell.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\372c8276ab7cad70ccf296722462d7b8727e8563c0bfe4344184e1bc3afc27fc.exe"C:\Users\Admin\AppData\Local\Temp\372c8276ab7cad70ccf296722462d7b8727e8563c0bfe4344184e1bc3afc27fc.exe"1⤵
- Modifies extensions of user files
- Adds Run key to start application
- Enumerates connected drives
- Sets desktop wallpaper using registry
- Drops file in Program Files directory
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2760 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell -e RwBlAHQALQBXAG0AaQBPAGIAagBlAGMAdAAgAFcAaQBuADMAMgBfAFMAaABhAGQAbwB3AGMAbwBwAHkAIAB8ACAARgBvAHIARQBhAGMAaAAtAE8AYgBqAGUAYwB0ACAAewAkAF8ALgBEAGUAbABlAHQAZQAoACkAOwB9AA==2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:396
-
C:\Windows\system32\wbem\unsecapp.exeC:\Windows\system32\wbem\unsecapp.exe -Embedding1⤵PID:4028
-
C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2024
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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memory/396-132-0x0000000000000000-mapping.dmp
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memory/396-133-0x0000023CF5E60000-0x0000023CF5E82000-memory.dmpFilesize
136KB
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memory/396-134-0x00007FF9D4410000-0x00007FF9D4ED1000-memory.dmpFilesize
10.8MB
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memory/396-135-0x00007FF9D4410000-0x00007FF9D4ED1000-memory.dmpFilesize
10.8MB