Analysis
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max time kernel
53s -
max time network
16s -
platform
windows7_x64 -
resource
win7v20210410 -
submitted
26-07-2021 12:57
Static task
static1
Behavioral task
behavioral1
Sample
30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.sample.exe
Resource
win7v20210410
Behavioral task
behavioral2
Sample
30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.sample.exe
Resource
win10v20210408
General
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Target
30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.sample.exe
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Size
31KB
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MD5
dd7f88a68a76acc0be9eb0515d54a82a
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SHA1
ca205a28b8dbd74c60fdeaf522804d5a2a45dd0b
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SHA256
30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8
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SHA512
8e99c1d3291dacaf13c7aff75549d50484b593022bdb82cb3ecffd58f0bbf1dd1ae4deeb09f072d4c3f1b8918a0bc785a397143863466975dad950e115db5af6
Malware Config
Extracted
C:\MSOCache\How To Restore Your Files.txt
https://i.imgur.com/RzYzVnY.png
https://i.imgur.com/kJzIOqn.png
https://i.imgur.com/bFdNbyO.png
http://babukq4e2p4wu4iq.onion/login.php?id=0KflFXBAmSHtJrtKWtOPzxZmhJATon
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 3 IoCs
Ransomware generally changes the extension on encrypted files.
Processes:
30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.sample.exedescription ioc Process File renamed C:\Users\Admin\Pictures\RedoImport.crw => C:\Users\Admin\Pictures\RedoImport.crw.__NIST_K571__ 30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.sample.exe File renamed C:\Users\Admin\Pictures\RenameLimit.tif => C:\Users\Admin\Pictures\RenameLimit.tif.__NIST_K571__ 30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.sample.exe File renamed C:\Users\Admin\Pictures\NewFind.raw => C:\Users\Admin\Pictures\NewFind.raw.__NIST_K571__ 30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.sample.exe -
Enumerates connected drives 3 TTPs 24 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.sample.exedescription ioc Process File opened (read-only) \??\Q: 30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.sample.exe File opened (read-only) \??\U: 30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.sample.exe File opened (read-only) \??\H: 30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.sample.exe File opened (read-only) \??\K: 30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.sample.exe File opened (read-only) \??\N: 30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.sample.exe File opened (read-only) \??\J: 30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.sample.exe File opened (read-only) \??\X: 30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.sample.exe File opened (read-only) \??\B: 30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.sample.exe File opened (read-only) \??\W: 30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.sample.exe File opened (read-only) \??\E: 30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.sample.exe File opened (read-only) \??\I: 30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.sample.exe File opened (read-only) \??\P: 30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.sample.exe File opened (read-only) \??\S: 30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.sample.exe File opened (read-only) \??\M: 30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.sample.exe File opened (read-only) \??\V: 30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.sample.exe File opened (read-only) \??\R: 30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.sample.exe File opened (read-only) \??\T: 30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.sample.exe File opened (read-only) \??\Y: 30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.sample.exe File opened (read-only) \??\O: 30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.sample.exe File opened (read-only) \??\A: 30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.sample.exe File opened (read-only) \??\F: 30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.sample.exe File opened (read-only) \??\G: 30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.sample.exe File opened (read-only) \??\L: 30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.sample.exe File opened (read-only) \??\Z: 30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.sample.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 1232 vssadmin.exe 1652 vssadmin.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.sample.exepid Process 768 30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.sample.exe 768 30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.sample.exe 768 30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.sample.exe 768 30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.sample.exe 768 30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.sample.exe 768 30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.sample.exe 768 30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.sample.exe 768 30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.sample.exe 768 30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.sample.exe 768 30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.sample.exe 768 30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.sample.exe 768 30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.sample.exe 768 30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.sample.exe 768 30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.sample.exe 768 30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.sample.exe 768 30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.sample.exe 768 30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.sample.exe 768 30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.sample.exe 768 30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.sample.exe 768 30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.sample.exe 768 30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.sample.exe 768 30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.sample.exe 768 30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.sample.exe 768 30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.sample.exe 768 30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.sample.exe 768 30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.sample.exe 768 30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.sample.exe 768 30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.sample.exe 768 30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.sample.exe 768 30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.sample.exe 768 30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.sample.exe 768 30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.sample.exe 768 30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.sample.exe 768 30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.sample.exe 768 30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.sample.exe 768 30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.sample.exe 768 30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.sample.exe 768 30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.sample.exe 768 30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.sample.exe 768 30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.sample.exe 768 30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.sample.exe 768 30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.sample.exe 768 30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.sample.exe 768 30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.sample.exe 768 30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.sample.exe 768 30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.sample.exe 768 30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.sample.exe 768 30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.sample.exe 768 30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.sample.exe 768 30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.sample.exe 768 30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.sample.exe 768 30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.sample.exe 768 30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.sample.exe 768 30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.sample.exe 768 30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.sample.exe 768 30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.sample.exe 768 30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.sample.exe 768 30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.sample.exe 768 30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.sample.exe 768 30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.sample.exe 768 30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.sample.exe 768 30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.sample.exe 768 30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.sample.exe 768 30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.sample.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
vssvc.exedescription pid Process Token: SeBackupPrivilege 1980 vssvc.exe Token: SeRestorePrivilege 1980 vssvc.exe Token: SeAuditPrivilege 1980 vssvc.exe -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.sample.execmd.execmd.exedescription pid Process procid_target PID 768 wrote to memory of 2016 768 30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.sample.exe 26 PID 768 wrote to memory of 2016 768 30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.sample.exe 26 PID 768 wrote to memory of 2016 768 30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.sample.exe 26 PID 768 wrote to memory of 2016 768 30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.sample.exe 26 PID 2016 wrote to memory of 1232 2016 cmd.exe 28 PID 2016 wrote to memory of 1232 2016 cmd.exe 28 PID 2016 wrote to memory of 1232 2016 cmd.exe 28 PID 768 wrote to memory of 1220 768 30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.sample.exe 36 PID 768 wrote to memory of 1220 768 30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.sample.exe 36 PID 768 wrote to memory of 1220 768 30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.sample.exe 36 PID 768 wrote to memory of 1220 768 30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.sample.exe 36 PID 1220 wrote to memory of 1652 1220 cmd.exe 38 PID 1220 wrote to memory of 1652 1220 cmd.exe 38 PID 1220 wrote to memory of 1652 1220 cmd.exe 38
Processes
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C:\Users\Admin\AppData\Local\Temp\30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.sample.exe"C:\Users\Admin\AppData\Local\Temp\30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.sample.exe"1⤵
- Modifies extensions of user files
- Enumerates connected drives
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:768 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet2⤵
- Suspicious use of WriteProcessMemory
PID:2016 -
C:\Windows\system32\vssadmin.exevssadmin.exe delete shadows /all /quiet3⤵
- Interacts with shadow copies
PID:1232
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-
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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:1220 -
C:\Windows\system32\vssadmin.exevssadmin.exe delete shadows /all /quiet3⤵
- Interacts with shadow copies
PID:1652
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1980