Analysis
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max time kernel
43s -
max time network
46s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
29-09-2022 09:43
Static task
static1
Behavioral task
behavioral1
Sample
1d5f8c4e2cb635bb5cfb001dfd0db882b9eeea700f04a6b9cb1a934667b85368.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
1d5f8c4e2cb635bb5cfb001dfd0db882b9eeea700f04a6b9cb1a934667b85368.exe
Resource
win10v2004-20220812-en
General
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Target
1d5f8c4e2cb635bb5cfb001dfd0db882b9eeea700f04a6b9cb1a934667b85368.exe
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Size
79KB
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MD5
2cd19f67df6d9e1a42e9893e3813b459
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SHA1
308b02416b9930bfc1d3fbbef9d184dcbf5714b4
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SHA256
1d5f8c4e2cb635bb5cfb001dfd0db882b9eeea700f04a6b9cb1a934667b85368
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SHA512
1b77d760ba626308fd67572189821b7c97bf619495da7bd063fe35ee5eceedfe08dfbee02b9d26381b23cdab848bcad27a56632b89a702bb9cac1e5026de5304
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SSDEEP
1536:m6UhZM4hubesrQLOJgY8ZZP8LHD4XWaNH71dLdG1iiFM2iG2zs4:ghZ5YesrQLOJgY8Zp8LHD4XWaNH71dLI
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 25 IoCs
Ransomware generally changes the extension on encrypted files.
Processes:
1d5f8c4e2cb635bb5cfb001dfd0db882b9eeea700f04a6b9cb1a934667b85368.exedescription ioc process File opened for modification C:\Users\Admin\Pictures\UndoConvert.png.babyk 1d5f8c4e2cb635bb5cfb001dfd0db882b9eeea700f04a6b9cb1a934667b85368.exe File renamed C:\Users\Admin\Pictures\UnlockRepair.crw => C:\Users\Admin\Pictures\UnlockRepair.crw.babyk 1d5f8c4e2cb635bb5cfb001dfd0db882b9eeea700f04a6b9cb1a934667b85368.exe File renamed C:\Users\Admin\Pictures\UnpublishExit.crw => C:\Users\Admin\Pictures\UnpublishExit.crw.babyk 1d5f8c4e2cb635bb5cfb001dfd0db882b9eeea700f04a6b9cb1a934667b85368.exe File opened for modification C:\Users\Admin\Pictures\UnpublishExit.crw.babyk 1d5f8c4e2cb635bb5cfb001dfd0db882b9eeea700f04a6b9cb1a934667b85368.exe File opened for modification C:\Users\Admin\Pictures\UnpublishRegister.tiff.babyk 1d5f8c4e2cb635bb5cfb001dfd0db882b9eeea700f04a6b9cb1a934667b85368.exe File renamed C:\Users\Admin\Pictures\ReceiveSwitch.png => C:\Users\Admin\Pictures\ReceiveSwitch.png.babyk 1d5f8c4e2cb635bb5cfb001dfd0db882b9eeea700f04a6b9cb1a934667b85368.exe File opened for modification C:\Users\Admin\Pictures\ReceiveSwitch.png.babyk 1d5f8c4e2cb635bb5cfb001dfd0db882b9eeea700f04a6b9cb1a934667b85368.exe File opened for modification C:\Users\Admin\Pictures\SwitchFind.tif.babyk 1d5f8c4e2cb635bb5cfb001dfd0db882b9eeea700f04a6b9cb1a934667b85368.exe File renamed C:\Users\Admin\Pictures\UnregisterAssert.png => C:\Users\Admin\Pictures\UnregisterAssert.png.babyk 1d5f8c4e2cb635bb5cfb001dfd0db882b9eeea700f04a6b9cb1a934667b85368.exe File renamed C:\Users\Admin\Pictures\WatchExpand.crw => C:\Users\Admin\Pictures\WatchExpand.crw.babyk 1d5f8c4e2cb635bb5cfb001dfd0db882b9eeea700f04a6b9cb1a934667b85368.exe File opened for modification C:\Users\Admin\Pictures\ClearPing.crw.babyk 1d5f8c4e2cb635bb5cfb001dfd0db882b9eeea700f04a6b9cb1a934667b85368.exe File opened for modification C:\Users\Admin\Pictures\UnpublishRegister.tiff 1d5f8c4e2cb635bb5cfb001dfd0db882b9eeea700f04a6b9cb1a934667b85368.exe File opened for modification C:\Users\Admin\Pictures\FindFormat.raw.babyk 1d5f8c4e2cb635bb5cfb001dfd0db882b9eeea700f04a6b9cb1a934667b85368.exe File renamed C:\Users\Admin\Pictures\OutSet.raw => C:\Users\Admin\Pictures\OutSet.raw.babyk 1d5f8c4e2cb635bb5cfb001dfd0db882b9eeea700f04a6b9cb1a934667b85368.exe File opened for modification C:\Users\Admin\Pictures\OutSet.raw.babyk 1d5f8c4e2cb635bb5cfb001dfd0db882b9eeea700f04a6b9cb1a934667b85368.exe File renamed C:\Users\Admin\Pictures\SetEnable.raw => C:\Users\Admin\Pictures\SetEnable.raw.babyk 1d5f8c4e2cb635bb5cfb001dfd0db882b9eeea700f04a6b9cb1a934667b85368.exe File opened for modification C:\Users\Admin\Pictures\SetEnable.raw.babyk 1d5f8c4e2cb635bb5cfb001dfd0db882b9eeea700f04a6b9cb1a934667b85368.exe File renamed C:\Users\Admin\Pictures\UndoConvert.png => C:\Users\Admin\Pictures\UndoConvert.png.babyk 1d5f8c4e2cb635bb5cfb001dfd0db882b9eeea700f04a6b9cb1a934667b85368.exe File renamed C:\Users\Admin\Pictures\ClearPing.crw => C:\Users\Admin\Pictures\ClearPing.crw.babyk 1d5f8c4e2cb635bb5cfb001dfd0db882b9eeea700f04a6b9cb1a934667b85368.exe File renamed C:\Users\Admin\Pictures\FindFormat.raw => C:\Users\Admin\Pictures\FindFormat.raw.babyk 1d5f8c4e2cb635bb5cfb001dfd0db882b9eeea700f04a6b9cb1a934667b85368.exe File opened for modification C:\Users\Admin\Pictures\UnregisterAssert.png.babyk 1d5f8c4e2cb635bb5cfb001dfd0db882b9eeea700f04a6b9cb1a934667b85368.exe File opened for modification C:\Users\Admin\Pictures\WatchExpand.crw.babyk 1d5f8c4e2cb635bb5cfb001dfd0db882b9eeea700f04a6b9cb1a934667b85368.exe File renamed C:\Users\Admin\Pictures\UnpublishRegister.tiff => C:\Users\Admin\Pictures\UnpublishRegister.tiff.babyk 1d5f8c4e2cb635bb5cfb001dfd0db882b9eeea700f04a6b9cb1a934667b85368.exe File renamed C:\Users\Admin\Pictures\SwitchFind.tif => C:\Users\Admin\Pictures\SwitchFind.tif.babyk 1d5f8c4e2cb635bb5cfb001dfd0db882b9eeea700f04a6b9cb1a934667b85368.exe File opened for modification C:\Users\Admin\Pictures\UnlockRepair.crw.babyk 1d5f8c4e2cb635bb5cfb001dfd0db882b9eeea700f04a6b9cb1a934667b85368.exe -
Enumerates connected drives 3 TTPs 24 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
1d5f8c4e2cb635bb5cfb001dfd0db882b9eeea700f04a6b9cb1a934667b85368.exedescription ioc process File opened (read-only) \??\Q: 1d5f8c4e2cb635bb5cfb001dfd0db882b9eeea700f04a6b9cb1a934667b85368.exe File opened (read-only) \??\I: 1d5f8c4e2cb635bb5cfb001dfd0db882b9eeea700f04a6b9cb1a934667b85368.exe File opened (read-only) \??\H: 1d5f8c4e2cb635bb5cfb001dfd0db882b9eeea700f04a6b9cb1a934667b85368.exe File opened (read-only) \??\J: 1d5f8c4e2cb635bb5cfb001dfd0db882b9eeea700f04a6b9cb1a934667b85368.exe File opened (read-only) \??\B: 1d5f8c4e2cb635bb5cfb001dfd0db882b9eeea700f04a6b9cb1a934667b85368.exe File opened (read-only) \??\N: 1d5f8c4e2cb635bb5cfb001dfd0db882b9eeea700f04a6b9cb1a934667b85368.exe File opened (read-only) \??\M: 1d5f8c4e2cb635bb5cfb001dfd0db882b9eeea700f04a6b9cb1a934667b85368.exe File opened (read-only) \??\A: 1d5f8c4e2cb635bb5cfb001dfd0db882b9eeea700f04a6b9cb1a934667b85368.exe File opened (read-only) \??\S: 1d5f8c4e2cb635bb5cfb001dfd0db882b9eeea700f04a6b9cb1a934667b85368.exe File opened (read-only) \??\G: 1d5f8c4e2cb635bb5cfb001dfd0db882b9eeea700f04a6b9cb1a934667b85368.exe File opened (read-only) \??\K: 1d5f8c4e2cb635bb5cfb001dfd0db882b9eeea700f04a6b9cb1a934667b85368.exe File opened (read-only) \??\W: 1d5f8c4e2cb635bb5cfb001dfd0db882b9eeea700f04a6b9cb1a934667b85368.exe File opened (read-only) \??\E: 1d5f8c4e2cb635bb5cfb001dfd0db882b9eeea700f04a6b9cb1a934667b85368.exe File opened (read-only) \??\R: 1d5f8c4e2cb635bb5cfb001dfd0db882b9eeea700f04a6b9cb1a934667b85368.exe File opened (read-only) \??\U: 1d5f8c4e2cb635bb5cfb001dfd0db882b9eeea700f04a6b9cb1a934667b85368.exe File opened (read-only) \??\O: 1d5f8c4e2cb635bb5cfb001dfd0db882b9eeea700f04a6b9cb1a934667b85368.exe File opened (read-only) \??\F: 1d5f8c4e2cb635bb5cfb001dfd0db882b9eeea700f04a6b9cb1a934667b85368.exe File opened (read-only) \??\L: 1d5f8c4e2cb635bb5cfb001dfd0db882b9eeea700f04a6b9cb1a934667b85368.exe File opened (read-only) \??\Z: 1d5f8c4e2cb635bb5cfb001dfd0db882b9eeea700f04a6b9cb1a934667b85368.exe File opened (read-only) \??\T: 1d5f8c4e2cb635bb5cfb001dfd0db882b9eeea700f04a6b9cb1a934667b85368.exe File opened (read-only) \??\Y: 1d5f8c4e2cb635bb5cfb001dfd0db882b9eeea700f04a6b9cb1a934667b85368.exe File opened (read-only) \??\P: 1d5f8c4e2cb635bb5cfb001dfd0db882b9eeea700f04a6b9cb1a934667b85368.exe File opened (read-only) \??\X: 1d5f8c4e2cb635bb5cfb001dfd0db882b9eeea700f04a6b9cb1a934667b85368.exe File opened (read-only) \??\V: 1d5f8c4e2cb635bb5cfb001dfd0db882b9eeea700f04a6b9cb1a934667b85368.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 1908 vssadmin.exe 1804 vssadmin.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
1d5f8c4e2cb635bb5cfb001dfd0db882b9eeea700f04a6b9cb1a934667b85368.exepid process 900 1d5f8c4e2cb635bb5cfb001dfd0db882b9eeea700f04a6b9cb1a934667b85368.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
vssvc.exedescription pid process Token: SeBackupPrivilege 1940 vssvc.exe Token: SeRestorePrivilege 1940 vssvc.exe Token: SeAuditPrivilege 1940 vssvc.exe -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
1d5f8c4e2cb635bb5cfb001dfd0db882b9eeea700f04a6b9cb1a934667b85368.execmd.execmd.exedescription pid process target process PID 900 wrote to memory of 1920 900 1d5f8c4e2cb635bb5cfb001dfd0db882b9eeea700f04a6b9cb1a934667b85368.exe cmd.exe PID 900 wrote to memory of 1920 900 1d5f8c4e2cb635bb5cfb001dfd0db882b9eeea700f04a6b9cb1a934667b85368.exe cmd.exe PID 900 wrote to memory of 1920 900 1d5f8c4e2cb635bb5cfb001dfd0db882b9eeea700f04a6b9cb1a934667b85368.exe cmd.exe PID 900 wrote to memory of 1920 900 1d5f8c4e2cb635bb5cfb001dfd0db882b9eeea700f04a6b9cb1a934667b85368.exe cmd.exe PID 1920 wrote to memory of 1908 1920 cmd.exe vssadmin.exe PID 1920 wrote to memory of 1908 1920 cmd.exe vssadmin.exe PID 1920 wrote to memory of 1908 1920 cmd.exe vssadmin.exe PID 900 wrote to memory of 1216 900 1d5f8c4e2cb635bb5cfb001dfd0db882b9eeea700f04a6b9cb1a934667b85368.exe cmd.exe PID 900 wrote to memory of 1216 900 1d5f8c4e2cb635bb5cfb001dfd0db882b9eeea700f04a6b9cb1a934667b85368.exe cmd.exe PID 900 wrote to memory of 1216 900 1d5f8c4e2cb635bb5cfb001dfd0db882b9eeea700f04a6b9cb1a934667b85368.exe cmd.exe PID 900 wrote to memory of 1216 900 1d5f8c4e2cb635bb5cfb001dfd0db882b9eeea700f04a6b9cb1a934667b85368.exe cmd.exe PID 1216 wrote to memory of 1804 1216 cmd.exe vssadmin.exe PID 1216 wrote to memory of 1804 1216 cmd.exe vssadmin.exe PID 1216 wrote to memory of 1804 1216 cmd.exe vssadmin.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\1d5f8c4e2cb635bb5cfb001dfd0db882b9eeea700f04a6b9cb1a934667b85368.exe"C:\Users\Admin\AppData\Local\Temp\1d5f8c4e2cb635bb5cfb001dfd0db882b9eeea700f04a6b9cb1a934667b85368.exe"1⤵
- Modifies extensions of user files
- Enumerates connected drives
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:900 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet2⤵
- Suspicious use of WriteProcessMemory
PID:1920 -
C:\Windows\system32\vssadmin.exevssadmin.exe delete shadows /all /quiet3⤵
- Interacts with shadow copies
PID:1908 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet2⤵
- Suspicious use of WriteProcessMemory
PID:1216 -
C:\Windows\system32\vssadmin.exevssadmin.exe delete shadows /all /quiet3⤵
- Interacts with shadow copies
PID:1804
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1940