Analysis
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max time kernel
131s -
max time network
171s -
platform
windows7_x64 -
resource
win7-en-20211208 -
submitted
24-01-2022 01:21
Static task
static1
Behavioral task
behavioral1
Sample
ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exe
Resource
win10-en-20211208
General
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Target
ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exe
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Size
164KB
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MD5
27c4686c0b64783b29b383f8ad7996ce
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SHA1
72e5066d8ddfd1e2c6b287ab93c2cc7a8dd328e7
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SHA256
ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95
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SHA512
7d77232fc290f1a55c0175264f6a0abf058a51f2777e64483b0581c7205d63018dd4985367adfbe3eaa32bd66e016c6c1f267659c69999bc440bf986d110c08f
Malware Config
Extracted
C:\83ggb6z-readme.txt
sodinokibi
http://aplebzu47wgazapdqks6vrcv6zcnjppkbxbr6wketf56nf6aq2nmyoyd.onion/26419338EC4FB59D
http://decryptor.top/26419338EC4FB59D
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 6 IoCs
Ransomware generally changes the extension on encrypted files.
Processes:
ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exedescription ioc process File opened for modification \??\c:\users\admin\pictures\ResolveConvertFrom.tiff ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exe File renamed C:\Users\Admin\Pictures\ResolveConvertFrom.tiff => \??\c:\users\admin\pictures\ResolveConvertFrom.tiff.83ggb6z ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exe File renamed C:\Users\Admin\Pictures\SelectAdd.png => \??\c:\users\admin\pictures\SelectAdd.png.83ggb6z ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exe File renamed C:\Users\Admin\Pictures\UnlockPop.png => \??\c:\users\admin\pictures\UnlockPop.png.83ggb6z ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exe File renamed C:\Users\Admin\Pictures\WriteConvertFrom.raw => \??\c:\users\admin\pictures\WriteConvertFrom.raw.83ggb6z ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exe File renamed C:\Users\Admin\Pictures\InvokeClear.crw => \??\c:\users\admin\pictures\InvokeClear.crw.83ggb6z ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exe -
Enumerates connected drives 3 TTPs 25 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exedescription ioc process File opened (read-only) \??\Z: ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exe File opened (read-only) \??\D: ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exe File opened (read-only) \??\F: ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exe File opened (read-only) \??\G: ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exe File opened (read-only) \??\K: ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exe File opened (read-only) \??\P: ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exe File opened (read-only) \??\Q: ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exe File opened (read-only) \??\R: ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exe File opened (read-only) \??\W: ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exe File opened (read-only) \??\Y: ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exe File opened (read-only) \??\A: ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exe File opened (read-only) \??\E: ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exe File opened (read-only) \??\I: ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exe File opened (read-only) \??\J: ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exe File opened (read-only) \??\O: ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exe File opened (read-only) \??\T: ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exe File opened (read-only) \??\B: ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exe File opened (read-only) \??\H: ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exe File opened (read-only) \??\L: ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exe File opened (read-only) \??\M: ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exe File opened (read-only) \??\N: ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exe File opened (read-only) \??\U: ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exe File opened (read-only) \??\S: ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exe File opened (read-only) \??\V: ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exe File opened (read-only) \??\X: ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exe -
Drops file in System32 directory 1 IoCs
Processes:
ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exedescription ioc process File opened for modification C:\Windows\System32\CatRoot2\dberr.txt ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exe -
Sets desktop wallpaper using registry 2 TTPs 1 IoCs
Processes:
ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\8jiz.bmp" ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exe -
Drops file in Program Files directory 18 IoCs
Processes:
ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exedescription ioc process File opened for modification \??\c:\program files\ResumeConvert.pcx ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exe File opened for modification \??\c:\program files\SyncHide.i64 ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exe File created \??\c:\program files (x86)\microsoft sql server compact edition\83ggb6z-readme.txt ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exe File opened for modification \??\c:\program files\CompressRegister.7z ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exe File opened for modification \??\c:\program files\ConvertToNew.mp4 ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exe File opened for modification \??\c:\program files\InvokeInitialize.mpv2 ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exe File opened for modification \??\c:\program files\RepairConnect.kix ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exe File opened for modification \??\c:\program files\RepairWatch.ods ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exe File created \??\c:\program files (x86)\microsoft sql server compact edition\v3.5\desktop\83ggb6z-readme.txt ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exe File opened for modification \??\c:\program files\InvokeTrace.001 ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exe File created \??\c:\program files\83ggb6z-readme.txt ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exe File opened for modification \??\c:\program files\WaitUse.mpe ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exe File created \??\c:\program files (x86)\microsoft sql server compact edition\v3.5\83ggb6z-readme.txt ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exe File created \??\c:\program files (x86)\83ggb6z-readme.txt ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exe File opened for modification \??\c:\program files\ExpandClose.vssx ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exe File opened for modification \??\c:\program files\ExportDisconnect.TS ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exe File opened for modification \??\c:\program files\ImportUnregister.vdw ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exe File opened for modification \??\c:\program files\UninstallOpen.mov ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exe -
Processes:
ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349 ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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 ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exepowershell.exepid process 1636 ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exe 288 powershell.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes:
powershell.exevssvc.exedescription pid process Token: SeDebugPrivilege 288 powershell.exe Token: SeBackupPrivilege 1812 vssvc.exe Token: SeRestorePrivilege 1812 vssvc.exe Token: SeAuditPrivilege 1812 vssvc.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exedescription pid process target process PID 1636 wrote to memory of 288 1636 ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exe powershell.exe PID 1636 wrote to memory of 288 1636 ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exe powershell.exe PID 1636 wrote to memory of 288 1636 ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exe powershell.exe PID 1636 wrote to memory of 288 1636 ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exe powershell.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exe"C:\Users\Admin\AppData\Local\Temp\ab9755a71005534c3d54354be77f304d7cb931b65a9de9a3b0f5ff85f1118f95.exe"1⤵
- Modifies extensions of user files
- Enumerates connected drives
- Drops file in System32 directory
- Sets desktop wallpaper using registry
- Drops file in Program Files directory
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell -e RwBlAHQALQBXAG0AaQBPAGIAagBlAGMAdAAgAFcAaQBuADMAMgBfAFMAaABhAGQAbwB3AGMAbwBwAHkAIAB8ACAARgBvAHIARQBhAGMAaAAtAE8AYgBqAGUAYwB0ACAAewAkAF8ALgBEAGUAbABlAHQAZQAoACkAOwB9AA==2⤵
- 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
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/288-56-0x000007FEFC4A1000-0x000007FEFC4A3000-memory.dmpFilesize
8KB
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memory/288-57-0x0000000002460000-0x0000000002462000-memory.dmpFilesize
8KB
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memory/288-58-0x000007FEF3510000-0x000007FEF406D000-memory.dmpFilesize
11.4MB
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memory/288-60-0x0000000002464000-0x0000000002467000-memory.dmpFilesize
12KB
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memory/288-59-0x0000000002462000-0x0000000002464000-memory.dmpFilesize
8KB
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memory/288-61-0x000000000246B000-0x000000000248A000-memory.dmpFilesize
124KB
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memory/1636-55-0x0000000076921000-0x0000000076923000-memory.dmpFilesize
8KB