Overview
overview
10Static
static
08565f3458...b6.exe
windows7_x64
1008565f3458...b6.exe
windows10-2004_x64
317ea24ce88...65.exe
windows7_x64
517ea24ce88...65.exe
windows10-2004_x64
35c061e1889...21.exe
windows7_x64
105c061e1889...21.exe
windows10-2004_x64
3b0a010e5a9...b9.exe
windows7_x64
10b0a010e5a9...b9.exe
windows10-2004_x64
3cf3bdf0f8e...f3.exe
windows7_x64
10cf3bdf0f8e...f3.exe
windows10-2004_x64
3Analysis
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max time kernel
45s -
max time network
49s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
04-07-2022 09:43
Static task
static1
Behavioral task
behavioral1
Sample
08565f345878369fdbbcf4a064d9f4762f4549f67d1e2aa3907a112a5e5322b6.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
08565f345878369fdbbcf4a064d9f4762f4549f67d1e2aa3907a112a5e5322b6.exe
Resource
win10v2004-20220414-en
Behavioral task
behavioral3
Sample
17ea24ce8866da7ef4a842cba16961eafba89d526d3efe5d783bb7a30c5d1565.exe
Resource
win7-20220414-en
Behavioral task
behavioral4
Sample
17ea24ce8866da7ef4a842cba16961eafba89d526d3efe5d783bb7a30c5d1565.exe
Resource
win10v2004-20220414-en
Behavioral task
behavioral5
Sample
5c061e188979d3b744a102d5d855e845a3b51453488530ea5dca6b098add2821.exe
Resource
win7-20220414-en
Behavioral task
behavioral6
Sample
5c061e188979d3b744a102d5d855e845a3b51453488530ea5dca6b098add2821.exe
Resource
win10v2004-20220414-en
Behavioral task
behavioral7
Sample
b0a010e5a9b353a11fb664501de91fc47878d89bf97cb57bc03428c7a45981b9.exe
Resource
win7-20220414-en
Behavioral task
behavioral8
Sample
b0a010e5a9b353a11fb664501de91fc47878d89bf97cb57bc03428c7a45981b9.exe
Resource
win10v2004-20220414-en
Behavioral task
behavioral9
Sample
cf3bdf0f8ea4c8ece5f5a76524ab4c81fea6c3a1715b5a86b3ad4d397fca76f3.exe
Resource
win7-20220414-en
Behavioral task
behavioral10
Sample
cf3bdf0f8ea4c8ece5f5a76524ab4c81fea6c3a1715b5a86b3ad4d397fca76f3.exe
Resource
win10v2004-20220414-en
General
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Target
5c061e188979d3b744a102d5d855e845a3b51453488530ea5dca6b098add2821.exe
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Size
923KB
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MD5
f61231237bbe45009996a9576eddde09
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SHA1
e73bda17b68f3b6f2995f4af10b4350f8050e2c8
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SHA256
5c061e188979d3b744a102d5d855e845a3b51453488530ea5dca6b098add2821
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SHA512
3e18d118a7c8969202b243676ba768bf0f4e8d4dfae17ae9d25e624aea79634905771b20e933fb74571b1cf037eab8f3a85f85ff6e88d24778453a03662a3161
Malware Config
Extracted
C:\How To Restore Your Files.txt
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 7 IoCs
Ransomware generally changes the extension on encrypted files.
description ioc Process File renamed C:\Users\Admin\Pictures\ConnectSplit.raw => C:\Users\Admin\Pictures\ConnectSplit.raw.babyk 5c061e188979d3b744a102d5d855e845a3b51453488530ea5dca6b098add2821.exe File opened for modification C:\Users\Admin\Pictures\ConnectSplit.raw.babyk 5c061e188979d3b744a102d5d855e845a3b51453488530ea5dca6b098add2821.exe File renamed C:\Users\Admin\Pictures\MergeRename.tiff => C:\Users\Admin\Pictures\MergeRename.tiff.babyk 5c061e188979d3b744a102d5d855e845a3b51453488530ea5dca6b098add2821.exe File opened for modification C:\Users\Admin\Pictures\MergeRename.tiff.babyk 5c061e188979d3b744a102d5d855e845a3b51453488530ea5dca6b098add2821.exe File renamed C:\Users\Admin\Pictures\SubmitTrace.tif => C:\Users\Admin\Pictures\SubmitTrace.tif.babyk 5c061e188979d3b744a102d5d855e845a3b51453488530ea5dca6b098add2821.exe File opened for modification C:\Users\Admin\Pictures\SubmitTrace.tif.babyk 5c061e188979d3b744a102d5d855e845a3b51453488530ea5dca6b098add2821.exe File opened for modification C:\Users\Admin\Pictures\MergeRename.tiff 5c061e188979d3b744a102d5d855e845a3b51453488530ea5dca6b098add2821.exe -
Enumerates connected drives 3 TTPs 24 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\S: 5c061e188979d3b744a102d5d855e845a3b51453488530ea5dca6b098add2821.exe File opened (read-only) \??\V: 5c061e188979d3b744a102d5d855e845a3b51453488530ea5dca6b098add2821.exe File opened (read-only) \??\N: 5c061e188979d3b744a102d5d855e845a3b51453488530ea5dca6b098add2821.exe File opened (read-only) \??\H: 5c061e188979d3b744a102d5d855e845a3b51453488530ea5dca6b098add2821.exe File opened (read-only) \??\J: 5c061e188979d3b744a102d5d855e845a3b51453488530ea5dca6b098add2821.exe File opened (read-only) \??\W: 5c061e188979d3b744a102d5d855e845a3b51453488530ea5dca6b098add2821.exe File opened (read-only) \??\E: 5c061e188979d3b744a102d5d855e845a3b51453488530ea5dca6b098add2821.exe File opened (read-only) \??\R: 5c061e188979d3b744a102d5d855e845a3b51453488530ea5dca6b098add2821.exe File opened (read-only) \??\T: 5c061e188979d3b744a102d5d855e845a3b51453488530ea5dca6b098add2821.exe File opened (read-only) \??\A: 5c061e188979d3b744a102d5d855e845a3b51453488530ea5dca6b098add2821.exe File opened (read-only) \??\F: 5c061e188979d3b744a102d5d855e845a3b51453488530ea5dca6b098add2821.exe File opened (read-only) \??\X: 5c061e188979d3b744a102d5d855e845a3b51453488530ea5dca6b098add2821.exe File opened (read-only) \??\M: 5c061e188979d3b744a102d5d855e845a3b51453488530ea5dca6b098add2821.exe File opened (read-only) \??\Q: 5c061e188979d3b744a102d5d855e845a3b51453488530ea5dca6b098add2821.exe File opened (read-only) \??\Y: 5c061e188979d3b744a102d5d855e845a3b51453488530ea5dca6b098add2821.exe File opened (read-only) \??\G: 5c061e188979d3b744a102d5d855e845a3b51453488530ea5dca6b098add2821.exe File opened (read-only) \??\L: 5c061e188979d3b744a102d5d855e845a3b51453488530ea5dca6b098add2821.exe File opened (read-only) \??\Z: 5c061e188979d3b744a102d5d855e845a3b51453488530ea5dca6b098add2821.exe File opened (read-only) \??\B: 5c061e188979d3b744a102d5d855e845a3b51453488530ea5dca6b098add2821.exe File opened (read-only) \??\U: 5c061e188979d3b744a102d5d855e845a3b51453488530ea5dca6b098add2821.exe File opened (read-only) \??\I: 5c061e188979d3b744a102d5d855e845a3b51453488530ea5dca6b098add2821.exe File opened (read-only) \??\O: 5c061e188979d3b744a102d5d855e845a3b51453488530ea5dca6b098add2821.exe File opened (read-only) \??\P: 5c061e188979d3b744a102d5d855e845a3b51453488530ea5dca6b098add2821.exe File opened (read-only) \??\K: 5c061e188979d3b744a102d5d855e845a3b51453488530ea5dca6b098add2821.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 18 IoCs
pid Process 1280 5c061e188979d3b744a102d5d855e845a3b51453488530ea5dca6b098add2821.exe 1280 5c061e188979d3b744a102d5d855e845a3b51453488530ea5dca6b098add2821.exe 1280 5c061e188979d3b744a102d5d855e845a3b51453488530ea5dca6b098add2821.exe 1280 5c061e188979d3b744a102d5d855e845a3b51453488530ea5dca6b098add2821.exe 1280 5c061e188979d3b744a102d5d855e845a3b51453488530ea5dca6b098add2821.exe 1280 5c061e188979d3b744a102d5d855e845a3b51453488530ea5dca6b098add2821.exe 1280 5c061e188979d3b744a102d5d855e845a3b51453488530ea5dca6b098add2821.exe 1280 5c061e188979d3b744a102d5d855e845a3b51453488530ea5dca6b098add2821.exe 1280 5c061e188979d3b744a102d5d855e845a3b51453488530ea5dca6b098add2821.exe 1280 5c061e188979d3b744a102d5d855e845a3b51453488530ea5dca6b098add2821.exe 1280 5c061e188979d3b744a102d5d855e845a3b51453488530ea5dca6b098add2821.exe 1280 5c061e188979d3b744a102d5d855e845a3b51453488530ea5dca6b098add2821.exe 1280 5c061e188979d3b744a102d5d855e845a3b51453488530ea5dca6b098add2821.exe 1280 5c061e188979d3b744a102d5d855e845a3b51453488530ea5dca6b098add2821.exe 1280 5c061e188979d3b744a102d5d855e845a3b51453488530ea5dca6b098add2821.exe 1280 5c061e188979d3b744a102d5d855e845a3b51453488530ea5dca6b098add2821.exe 1280 5c061e188979d3b744a102d5d855e845a3b51453488530ea5dca6b098add2821.exe 1280 5c061e188979d3b744a102d5d855e845a3b51453488530ea5dca6b098add2821.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.
pid Process 1128 vssadmin.exe 1052 vssadmin.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 1280 5c061e188979d3b744a102d5d855e845a3b51453488530ea5dca6b098add2821.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeBackupPrivilege 1684 vssvc.exe Token: SeRestorePrivilege 1684 vssvc.exe Token: SeAuditPrivilege 1684 vssvc.exe -
Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 1280 wrote to memory of 1996 1280 5c061e188979d3b744a102d5d855e845a3b51453488530ea5dca6b098add2821.exe 27 PID 1280 wrote to memory of 1996 1280 5c061e188979d3b744a102d5d855e845a3b51453488530ea5dca6b098add2821.exe 27 PID 1280 wrote to memory of 1996 1280 5c061e188979d3b744a102d5d855e845a3b51453488530ea5dca6b098add2821.exe 27 PID 1280 wrote to memory of 1996 1280 5c061e188979d3b744a102d5d855e845a3b51453488530ea5dca6b098add2821.exe 27 PID 1996 wrote to memory of 1128 1996 cmd.exe 29 PID 1996 wrote to memory of 1128 1996 cmd.exe 29 PID 1996 wrote to memory of 1128 1996 cmd.exe 29 PID 1280 wrote to memory of 1716 1280 5c061e188979d3b744a102d5d855e845a3b51453488530ea5dca6b098add2821.exe 33 PID 1280 wrote to memory of 1716 1280 5c061e188979d3b744a102d5d855e845a3b51453488530ea5dca6b098add2821.exe 33 PID 1280 wrote to memory of 1716 1280 5c061e188979d3b744a102d5d855e845a3b51453488530ea5dca6b098add2821.exe 33 PID 1280 wrote to memory of 1716 1280 5c061e188979d3b744a102d5d855e845a3b51453488530ea5dca6b098add2821.exe 33 PID 1716 wrote to memory of 1052 1716 cmd.exe 35 PID 1716 wrote to memory of 1052 1716 cmd.exe 35 PID 1716 wrote to memory of 1052 1716 cmd.exe 35
Processes
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C:\Users\Admin\AppData\Local\Temp\5c061e188979d3b744a102d5d855e845a3b51453488530ea5dca6b098add2821.exe"C:\Users\Admin\AppData\Local\Temp\5c061e188979d3b744a102d5d855e845a3b51453488530ea5dca6b098add2821.exe"1⤵
- Modifies extensions of user files
- Enumerates connected drives
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1280 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet2⤵
- Suspicious use of WriteProcessMemory
PID:1996 -
C:\Windows\system32\vssadmin.exevssadmin.exe delete shadows /all /quiet3⤵
- Interacts with shadow copies
PID:1128
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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:1716 -
C:\Windows\system32\vssadmin.exevssadmin.exe delete shadows /all /quiet3⤵
- Interacts with shadow copies
PID:1052
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1684