Analysis
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max time kernel
244s -
max time network
273s -
platform
windows7_x64 -
resource
win7v20210410 -
submitted
06-08-2021 10:13
Static task
static1
Behavioral task
behavioral1
Sample
1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.exe
Resource
win7v20210410
Behavioral task
behavioral2
Sample
1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.exe
Resource
win10v20210408
General
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Target
1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.exe
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Size
31KB
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MD5
e25e078255b56b47897ac96a7842de92
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SHA1
21febfb36da69c8a611a9eaee5cc826cfd5684d7
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SHA256
1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02
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SHA512
6ed5f9144996ad70ab9770ede191420ef12d69dd7833e0ec9064be0ec1959407c5971680e0a4bfc57a709853ea2d78c586a74f56f5d79874a5ab8f8adb45beb1
Malware Config
Extracted
C:\MSOCache\How To Restore Your Files.txt
https://i.imgur.com/JZh2aDz.png
https://i.imgur.com/iKJ0m63.png
https://i.imgur.com/11DdeaB.png
https://i.imgur.com/9azjsKv.png
https://i.imgur.com/z6ry8kZ.png
https://i.imgur.com/tcryLE4.png
https://i.imgur.com/jruCjYx.png
https://i.imgur.com/vJJQxM1.png
http://babukq4e2p4wu4iq.onion/login.php?id=QQDgjfAG8pLYTBufjrVjnBg3iPAnSK
Signatures
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Babuk Locker
RaaS first seen in 2021 initially called Vasa Locker.
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Deletes shadow copies 2 TTPs
Ransomware often targets backup files to inhibit system recovery.
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Modifies extensions of user files 4 IoCs
Ransomware generally changes the extension on encrypted files.
Processes:
1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.exedescription ioc process File renamed C:\Users\Admin\Pictures\ConvertFromExport.raw => C:\Users\Admin\Pictures\ConvertFromExport.raw.__NIST_K571__ 1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.exe File renamed C:\Users\Admin\Pictures\FormatHide.raw => C:\Users\Admin\Pictures\FormatHide.raw.__NIST_K571__ 1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.exe File renamed C:\Users\Admin\Pictures\MergeShow.tif => C:\Users\Admin\Pictures\MergeShow.tif.__NIST_K571__ 1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.exe File renamed C:\Users\Admin\Pictures\SplitInstall.crw => C:\Users\Admin\Pictures\SplitInstall.crw.__NIST_K571__ 1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.exe -
Enumerates connected drives 3 TTPs 24 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.exedescription ioc process File opened (read-only) \??\R: 1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.exe File opened (read-only) \??\U: 1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.exe File opened (read-only) \??\P: 1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.exe File opened (read-only) \??\G: 1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.exe File opened (read-only) \??\L: 1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.exe File opened (read-only) \??\X: 1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.exe File opened (read-only) \??\W: 1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.exe File opened (read-only) \??\A: 1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.exe File opened (read-only) \??\S: 1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.exe File opened (read-only) \??\K: 1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.exe File opened (read-only) \??\V: 1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.exe File opened (read-only) \??\B: 1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.exe File opened (read-only) \??\Q: 1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.exe File opened (read-only) \??\I: 1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.exe File opened (read-only) \??\F: 1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.exe File opened (read-only) \??\J: 1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.exe File opened (read-only) \??\Z: 1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.exe File opened (read-only) \??\E: 1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.exe File opened (read-only) \??\T: 1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.exe File opened (read-only) \??\Y: 1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.exe File opened (read-only) \??\O: 1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.exe File opened (read-only) \??\H: 1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.exe File opened (read-only) \??\N: 1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.exe File opened (read-only) \??\M: 1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Interacts with shadow copies 2 TTPs 2 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
Processes:
vssadmin.exevssadmin.exepid process 1364 vssadmin.exe 1684 vssadmin.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.exepid process 1728 1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.exe 1728 1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.exe 1728 1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.exe 1728 1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.exe 1728 1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.exe 1728 1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.exe 1728 1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.exe 1728 1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.exe 1728 1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.exe 1728 1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.exe 1728 1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.exe 1728 1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.exe 1728 1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.exe 1728 1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.exe 1728 1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.exe 1728 1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.exe 1728 1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.exe 1728 1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.exe 1728 1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.exe 1728 1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.exe 1728 1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.exe 1728 1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.exe 1728 1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.exe 1728 1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.exe 1728 1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.exe 1728 1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.exe 1728 1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.exe 1728 1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.exe 1728 1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.exe 1728 1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.exe 1728 1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.exe 1728 1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.exe 1728 1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.exe 1728 1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.exe 1728 1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.exe 1728 1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.exe 1728 1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.exe 1728 1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.exe 1728 1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.exe 1728 1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.exe 1728 1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.exe 1728 1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.exe 1728 1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.exe 1728 1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.exe 1728 1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.exe 1728 1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.exe 1728 1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.exe 1728 1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.exe 1728 1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.exe 1728 1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.exe 1728 1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.exe 1728 1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.exe 1728 1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.exe 1728 1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.exe 1728 1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.exe 1728 1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.exe 1728 1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.exe 1728 1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.exe 1728 1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.exe 1728 1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.exe 1728 1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.exe 1728 1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.exe 1728 1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.exe 1728 1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
vssvc.exedescription pid process Token: SeBackupPrivilege 1968 vssvc.exe Token: SeRestorePrivilege 1968 vssvc.exe Token: SeAuditPrivilege 1968 vssvc.exe -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.execmd.execmd.exedescription pid process target process PID 1728 wrote to memory of 1140 1728 1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.exe cmd.exe PID 1728 wrote to memory of 1140 1728 1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.exe cmd.exe PID 1728 wrote to memory of 1140 1728 1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.exe cmd.exe PID 1728 wrote to memory of 1140 1728 1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.exe cmd.exe PID 1140 wrote to memory of 1364 1140 cmd.exe vssadmin.exe PID 1140 wrote to memory of 1364 1140 cmd.exe vssadmin.exe PID 1140 wrote to memory of 1364 1140 cmd.exe vssadmin.exe PID 1728 wrote to memory of 752 1728 1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.exe cmd.exe PID 1728 wrote to memory of 752 1728 1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.exe cmd.exe PID 1728 wrote to memory of 752 1728 1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.exe cmd.exe PID 1728 wrote to memory of 752 1728 1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.exe cmd.exe PID 752 wrote to memory of 1684 752 cmd.exe vssadmin.exe PID 752 wrote to memory of 1684 752 cmd.exe vssadmin.exe PID 752 wrote to memory of 1684 752 cmd.exe vssadmin.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.exe"C:\Users\Admin\AppData\Local\Temp\1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.exe"1⤵
- Modifies extensions of user files
- Enumerates connected drives
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1728 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet2⤵
- Suspicious use of WriteProcessMemory
PID:1140 -
C:\Windows\system32\vssadmin.exevssadmin.exe delete shadows /all /quiet3⤵
- Interacts with shadow copies
PID:1364
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet2⤵
- Suspicious use of WriteProcessMemory
PID:752 -
C:\Windows\system32\vssadmin.exevssadmin.exe delete shadows /all /quiet3⤵
- Interacts with shadow copies
PID:1684
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1968