Analysis
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max time kernel
82s -
max time network
102s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
02-10-2022 16:45
Static task
static1
Behavioral task
behavioral1
Sample
e08f17b42e47bf973bf866f167a49b931b99fe1b50bc820078ac2644bd8c209c.exe
Resource
win10v2004-20220901-en
General
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Target
e08f17b42e47bf973bf866f167a49b931b99fe1b50bc820078ac2644bd8c209c.exe
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Size
79KB
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MD5
13662706c856d1c853a6f365094daf12
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SHA1
a1530c0b0d04187bde9df1482dec9c9b93925932
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SHA256
e08f17b42e47bf973bf866f167a49b931b99fe1b50bc820078ac2644bd8c209c
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SHA512
32534aa723f87216fde47c3532f9c73f0e24c89aa4cf6eefc68561e40b6f1b1759b5da14f78792e69c61cfb641568ec771df69956ac9749791f1e3d4592cd3ec
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SSDEEP
1536:G6UhZM4hubesrQLOJgY8ZZP8LHD4XWaNH71dLdG1iiFM2iG2zs4:AhZ5YesrQLOJgY8Zp8LHD4XWaNH71dLI
Malware Config
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 9 IoCs
Ransomware generally changes the extension on encrypted files.
Processes:
e08f17b42e47bf973bf866f167a49b931b99fe1b50bc820078ac2644bd8c209c.exedescription ioc process File opened for modification C:\Users\Admin\Pictures\AddNew.tiff.babyk e08f17b42e47bf973bf866f167a49b931b99fe1b50bc820078ac2644bd8c209c.exe File renamed C:\Users\Admin\Pictures\HideConnect.crw => C:\Users\Admin\Pictures\HideConnect.crw.babyk e08f17b42e47bf973bf866f167a49b931b99fe1b50bc820078ac2644bd8c209c.exe File opened for modification C:\Users\Admin\Pictures\HideConnect.crw.babyk e08f17b42e47bf973bf866f167a49b931b99fe1b50bc820078ac2644bd8c209c.exe File renamed C:\Users\Admin\Pictures\MoveDismount.tif => C:\Users\Admin\Pictures\MoveDismount.tif.babyk e08f17b42e47bf973bf866f167a49b931b99fe1b50bc820078ac2644bd8c209c.exe File opened for modification C:\Users\Admin\Pictures\AddNew.tiff e08f17b42e47bf973bf866f167a49b931b99fe1b50bc820078ac2644bd8c209c.exe File opened for modification C:\Users\Admin\Pictures\MoveDismount.tif.babyk e08f17b42e47bf973bf866f167a49b931b99fe1b50bc820078ac2644bd8c209c.exe File renamed C:\Users\Admin\Pictures\PublishEnable.raw => C:\Users\Admin\Pictures\PublishEnable.raw.babyk e08f17b42e47bf973bf866f167a49b931b99fe1b50bc820078ac2644bd8c209c.exe File opened for modification C:\Users\Admin\Pictures\PublishEnable.raw.babyk e08f17b42e47bf973bf866f167a49b931b99fe1b50bc820078ac2644bd8c209c.exe File renamed C:\Users\Admin\Pictures\AddNew.tiff => C:\Users\Admin\Pictures\AddNew.tiff.babyk e08f17b42e47bf973bf866f167a49b931b99fe1b50bc820078ac2644bd8c209c.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
e08f17b42e47bf973bf866f167a49b931b99fe1b50bc820078ac2644bd8c209c.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation e08f17b42e47bf973bf866f167a49b931b99fe1b50bc820078ac2644bd8c209c.exe -
Enumerates connected drives 3 TTPs 24 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
e08f17b42e47bf973bf866f167a49b931b99fe1b50bc820078ac2644bd8c209c.exedescription ioc process File opened (read-only) \??\G: e08f17b42e47bf973bf866f167a49b931b99fe1b50bc820078ac2644bd8c209c.exe File opened (read-only) \??\J: e08f17b42e47bf973bf866f167a49b931b99fe1b50bc820078ac2644bd8c209c.exe File opened (read-only) \??\K: e08f17b42e47bf973bf866f167a49b931b99fe1b50bc820078ac2644bd8c209c.exe File opened (read-only) \??\L: e08f17b42e47bf973bf866f167a49b931b99fe1b50bc820078ac2644bd8c209c.exe File opened (read-only) \??\W: e08f17b42e47bf973bf866f167a49b931b99fe1b50bc820078ac2644bd8c209c.exe File opened (read-only) \??\T: e08f17b42e47bf973bf866f167a49b931b99fe1b50bc820078ac2644bd8c209c.exe File opened (read-only) \??\P: e08f17b42e47bf973bf866f167a49b931b99fe1b50bc820078ac2644bd8c209c.exe File opened (read-only) \??\A: e08f17b42e47bf973bf866f167a49b931b99fe1b50bc820078ac2644bd8c209c.exe File opened (read-only) \??\X: e08f17b42e47bf973bf866f167a49b931b99fe1b50bc820078ac2644bd8c209c.exe File opened (read-only) \??\M: e08f17b42e47bf973bf866f167a49b931b99fe1b50bc820078ac2644bd8c209c.exe File opened (read-only) \??\E: e08f17b42e47bf973bf866f167a49b931b99fe1b50bc820078ac2644bd8c209c.exe File opened (read-only) \??\R: e08f17b42e47bf973bf866f167a49b931b99fe1b50bc820078ac2644bd8c209c.exe File opened (read-only) \??\S: e08f17b42e47bf973bf866f167a49b931b99fe1b50bc820078ac2644bd8c209c.exe File opened (read-only) \??\Z: e08f17b42e47bf973bf866f167a49b931b99fe1b50bc820078ac2644bd8c209c.exe File opened (read-only) \??\N: e08f17b42e47bf973bf866f167a49b931b99fe1b50bc820078ac2644bd8c209c.exe File opened (read-only) \??\Y: e08f17b42e47bf973bf866f167a49b931b99fe1b50bc820078ac2644bd8c209c.exe File opened (read-only) \??\U: e08f17b42e47bf973bf866f167a49b931b99fe1b50bc820078ac2644bd8c209c.exe File opened (read-only) \??\F: e08f17b42e47bf973bf866f167a49b931b99fe1b50bc820078ac2644bd8c209c.exe File opened (read-only) \??\H: e08f17b42e47bf973bf866f167a49b931b99fe1b50bc820078ac2644bd8c209c.exe File opened (read-only) \??\B: e08f17b42e47bf973bf866f167a49b931b99fe1b50bc820078ac2644bd8c209c.exe File opened (read-only) \??\Q: e08f17b42e47bf973bf866f167a49b931b99fe1b50bc820078ac2644bd8c209c.exe File opened (read-only) \??\I: e08f17b42e47bf973bf866f167a49b931b99fe1b50bc820078ac2644bd8c209c.exe File opened (read-only) \??\O: e08f17b42e47bf973bf866f167a49b931b99fe1b50bc820078ac2644bd8c209c.exe File opened (read-only) \??\V: e08f17b42e47bf973bf866f167a49b931b99fe1b50bc820078ac2644bd8c209c.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 2788 vssadmin.exe 720 vssadmin.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
e08f17b42e47bf973bf866f167a49b931b99fe1b50bc820078ac2644bd8c209c.exepid process 4748 e08f17b42e47bf973bf866f167a49b931b99fe1b50bc820078ac2644bd8c209c.exe 4748 e08f17b42e47bf973bf866f167a49b931b99fe1b50bc820078ac2644bd8c209c.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
vssvc.exedescription pid process Token: SeBackupPrivilege 2088 vssvc.exe Token: SeRestorePrivilege 2088 vssvc.exe Token: SeAuditPrivilege 2088 vssvc.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
e08f17b42e47bf973bf866f167a49b931b99fe1b50bc820078ac2644bd8c209c.execmd.execmd.exedescription pid process target process PID 4748 wrote to memory of 336 4748 e08f17b42e47bf973bf866f167a49b931b99fe1b50bc820078ac2644bd8c209c.exe cmd.exe PID 4748 wrote to memory of 336 4748 e08f17b42e47bf973bf866f167a49b931b99fe1b50bc820078ac2644bd8c209c.exe cmd.exe PID 336 wrote to memory of 720 336 cmd.exe vssadmin.exe PID 336 wrote to memory of 720 336 cmd.exe vssadmin.exe PID 4748 wrote to memory of 3712 4748 e08f17b42e47bf973bf866f167a49b931b99fe1b50bc820078ac2644bd8c209c.exe cmd.exe PID 4748 wrote to memory of 3712 4748 e08f17b42e47bf973bf866f167a49b931b99fe1b50bc820078ac2644bd8c209c.exe cmd.exe PID 3712 wrote to memory of 2788 3712 cmd.exe vssadmin.exe PID 3712 wrote to memory of 2788 3712 cmd.exe vssadmin.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\e08f17b42e47bf973bf866f167a49b931b99fe1b50bc820078ac2644bd8c209c.exe"C:\Users\Admin\AppData\Local\Temp\e08f17b42e47bf973bf866f167a49b931b99fe1b50bc820078ac2644bd8c209c.exe"1⤵
- Modifies extensions of user files
- Checks computer location settings
- Enumerates connected drives
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4748 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet2⤵
- Suspicious use of WriteProcessMemory
PID:336 -
C:\Windows\system32\vssadmin.exevssadmin.exe delete shadows /all /quiet3⤵
- Interacts with shadow copies
PID:720
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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:3712 -
C:\Windows\system32\vssadmin.exevssadmin.exe delete shadows /all /quiet3⤵
- Interacts with shadow copies
PID:2788
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2088
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C:\Windows\System32\rundll32.exeC:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding1⤵PID:1072
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C:\Windows\system32\NOTEPAD.EXE"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\How To Restore Your Files.txt1⤵PID:4668
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
132B
MD55bcf8213c4f32ff2739696be4f2d6323
SHA1ae5a7c6a65e993efe2fcf9512f2cb8de946a6182
SHA2560d80e9031513c9bd5fc9f13e7786ded8f54bd8ddfe3944948f7e55880365a98c
SHA5127348a510a5209d7b75667b8367c1b4d6137c3757638ffb34b17f7158da48d264f11785885fd7fc30535f765e20667f8533f56073ac3a59eb42a940bd6313c164