Resubmissions
10/03/2021, 22:42
210310-6calh615fj1010/03/2021, 22:38
210310-7j33lwf7tx1022/01/2021, 00:08
210122-dcvdsabdme10Analysis
- max time kernel
21s - max time network
26s - platform
windows7_x64 - resource
win7v20201028 - submitted
22/01/2021, 00:08
Static task
static1
Behavioral task
behavioral1
Sample
BABUK.exe
Resource
win7v20201028
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
BABUK.exe
Resource
win10v20201028
windows10_x64
0 signatures
0 seconds
General
- Target BABUK.exe
- Size 38KB
- Sample210122-dcvdsabdme
- SHA256 afcf265a1dcd9eab5aab270d48aa561e4ddeb71c05e32c857d3b809bb64c0430
- MD5 be76ed428523b9aefe706aeaa72bb6b2
- SHA1 b040f2bdee3999aad415396f9f79e43b2aa9452b
- SHA512 d08870197e1234a8e7115fc8bc0a868841054a0f6d3153a9ad77dad1bb077da3c2af3bdeebf53c6304943a3169ef5ae4fde16ce0e45a421e9afc2b4041a07c5b
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Extracted
Path
-
C:\MSOCache\How To Restore Your Files.txt
Ransom Note
- ----------- [ Hello, Schauer Agrotronic ] -------------> ****BY BABUK LOCKER**** What happend? ---------------------------------------------- Your computers and servers are encrypted, backups are deleted from your network and copied. We use strong encryption algorithms, so you cannot decrypt your data. But you can restore everything by purchasing a special program from us - a universal decoder. This program will restore your entire network. Follow our instructions below and you will recover all your data. If you continue to ignore this for a long time, we will start reporting the hack to mainstream media and posting your data to the dark web. What guarantees? ---------------------------------------------- We value our reputation. If we do not do our work and liabilities, nobody will pay us. This is not in our interests. All our decryption software is perfectly tested and will decrypt your data. We will also provide support in case of problems. We guarantee to decrypt one file for free. Go to the site and contact us. What information compromised? ---------------------------------------------- We copied more than 50 gb from your internal network, here are some proofs, for additional confirmations, please chat with us In cases of ignoring us, the information will be released to the public. How to contact us? ---------------------------------------------- Using TOR Browser ( https://www.torproject.org/download/ ): http://babukq4e2p4wu4iq.onion/login.php?id=p9gFgBg5TsdcO3mV9mf2RJlJoI0iy1 !!! DANGER !!! DO NOT MODIFY or try to RECOVER any files yourself. We WILL NOT be able to RESTORE them. !!! DANGER !!
URLs
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http://babukq4e2p4wu4iq.onion/login.php?id=p9gFgBg5TsdcO3mV9mf2RJlJoI0iy1
Signatures
- Deletes shadow copies 2 TTPs
Ransomware often targets backup files to inhibit system recovery.
- Modifies extensions of user files 9 IoCs
Ransomware generally changes the extension on encrypted files.
description ioc Process File renamed C:\Users\Admin\Pictures\AddGrant.raw => C:\Users\Admin\Pictures\AddGrant.raw.babyk BABUK.exe File opened for modification C:\Users\Admin\Pictures\MountClose.tiff BABUK.exe File opened for modification C:\Users\Admin\Pictures\ResolveInstall.tiff BABUK.exe File renamed C:\Users\Admin\Pictures\MountClose.tiff => C:\Users\Admin\Pictures\MountClose.tiff.babyk BABUK.exe File renamed C:\Users\Admin\Pictures\ResolveInstall.tiff => C:\Users\Admin\Pictures\ResolveInstall.tiff.babyk BABUK.exe File renamed C:\Users\Admin\Pictures\ConvertResize.tif => C:\Users\Admin\Pictures\ConvertResize.tif.babyk BABUK.exe File opened for modification C:\Users\Admin\Pictures\StopCheckpoint.tiff BABUK.exe File renamed C:\Users\Admin\Pictures\StopCheckpoint.tiff => C:\Users\Admin\Pictures\StopCheckpoint.tiff.babyk BABUK.exe File renamed C:\Users\Admin\Pictures\UnregisterTest.png => C:\Users\Admin\Pictures\UnregisterTest.png.babyk BABUK.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) \??\F: BABUK.exe File opened (read-only) \??\J: BABUK.exe File opened (read-only) \??\Z: BABUK.exe File opened (read-only) \??\X: BABUK.exe File opened (read-only) \??\V: BABUK.exe File opened (read-only) \??\B: BABUK.exe File opened (read-only) \??\T: BABUK.exe File opened (read-only) \??\I: BABUK.exe File opened (read-only) \??\Y: BABUK.exe File opened (read-only) \??\P: BABUK.exe File opened (read-only) \??\S: BABUK.exe File opened (read-only) \??\H: BABUK.exe File opened (read-only) \??\L: BABUK.exe File opened (read-only) \??\Q: BABUK.exe File opened (read-only) \??\W: BABUK.exe File opened (read-only) \??\G: BABUK.exe File opened (read-only) \??\K: BABUK.exe File opened (read-only) \??\M: BABUK.exe File opened (read-only) \??\O: BABUK.exe File opened (read-only) \??\A: BABUK.exe File opened (read-only) \??\U: BABUK.exe File opened (read-only) \??\N: BABUK.exe File opened (read-only) \??\E: BABUK.exe File opened (read-only) \??\R: BABUK.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Interacts with shadow copies 2 TTPs 2 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
pid Process 620 vssadmin.exe 1980 vssadmin.exe - Suspicious behavior: EnumeratesProcesses 115 IoCs
pid Process 1636 BABUK.exe 1636 BABUK.exe 1636 BABUK.exe 1636 BABUK.exe 1636 BABUK.exe 1636 BABUK.exe 1636 BABUK.exe 1636 BABUK.exe 1636 BABUK.exe 1636 BABUK.exe 1636 BABUK.exe 1636 BABUK.exe 1636 BABUK.exe 1636 BABUK.exe 1636 BABUK.exe 1636 BABUK.exe 1636 BABUK.exe 1636 BABUK.exe 1636 BABUK.exe 1636 BABUK.exe 1636 BABUK.exe 1636 BABUK.exe 1636 BABUK.exe 1636 BABUK.exe 1636 BABUK.exe 1636 BABUK.exe 1636 BABUK.exe 1636 BABUK.exe 1636 BABUK.exe 1636 BABUK.exe 1636 BABUK.exe 1636 BABUK.exe 1636 BABUK.exe 1636 BABUK.exe 1636 BABUK.exe 1636 BABUK.exe 1636 BABUK.exe 1636 BABUK.exe 1636 BABUK.exe 1636 BABUK.exe 1636 BABUK.exe 1636 BABUK.exe 1636 BABUK.exe 1636 BABUK.exe 1636 BABUK.exe 1636 BABUK.exe 1636 BABUK.exe 1636 BABUK.exe 1636 BABUK.exe 1636 BABUK.exe 1636 BABUK.exe 1636 BABUK.exe 1636 BABUK.exe 1636 BABUK.exe 1636 BABUK.exe 1636 BABUK.exe 1636 BABUK.exe 1636 BABUK.exe 1636 BABUK.exe 1636 BABUK.exe 1636 BABUK.exe 1636 BABUK.exe 1636 BABUK.exe 1636 BABUK.exe 1636 BABUK.exe 1636 BABUK.exe 1636 BABUK.exe 1636 BABUK.exe 1636 BABUK.exe 1636 BABUK.exe 1636 BABUK.exe 1636 BABUK.exe 1636 BABUK.exe 1636 BABUK.exe 1636 BABUK.exe 1636 BABUK.exe 1636 BABUK.exe 1636 BABUK.exe 1636 BABUK.exe 1636 BABUK.exe 1636 BABUK.exe 1636 BABUK.exe 1636 BABUK.exe 1636 BABUK.exe 1636 BABUK.exe 1636 BABUK.exe 1636 BABUK.exe 1636 BABUK.exe 1636 BABUK.exe 1636 BABUK.exe 1636 BABUK.exe 1636 BABUK.exe 1636 BABUK.exe 1636 BABUK.exe 1636 BABUK.exe 1636 BABUK.exe 1636 BABUK.exe 1636 BABUK.exe 1636 BABUK.exe 1636 BABUK.exe 1636 BABUK.exe 1636 BABUK.exe 1636 BABUK.exe 1636 BABUK.exe 1636 BABUK.exe 1636 BABUK.exe 1636 BABUK.exe 1636 BABUK.exe 1636 BABUK.exe 1636 BABUK.exe 1636 BABUK.exe 1636 BABUK.exe 1636 BABUK.exe 1636 BABUK.exe 1636 BABUK.exe - Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeBackupPrivilege 1760 vssvc.exe Token: SeRestorePrivilege 1760 vssvc.exe Token: SeAuditPrivilege 1760 vssvc.exe - Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 1636 wrote to memory of 1448 1636 BABUK.exe 26 PID 1636 wrote to memory of 1448 1636 BABUK.exe 26 PID 1636 wrote to memory of 1448 1636 BABUK.exe 26 PID 1636 wrote to memory of 1448 1636 BABUK.exe 26 PID 1448 wrote to memory of 1980 1448 cmd.exe 28 PID 1448 wrote to memory of 1980 1448 cmd.exe 28 PID 1448 wrote to memory of 1980 1448 cmd.exe 28 PID 1636 wrote to memory of 536 1636 BABUK.exe 32 PID 1636 wrote to memory of 536 1636 BABUK.exe 32 PID 1636 wrote to memory of 536 1636 BABUK.exe 32 PID 1636 wrote to memory of 536 1636 BABUK.exe 32 PID 536 wrote to memory of 620 536 cmd.exe 36 PID 536 wrote to memory of 620 536 cmd.exe 36 PID 536 wrote to memory of 620 536 cmd.exe 36
Processes
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C:\Users\Admin\AppData\Local\Temp\BABUK.exe"C:\Users\Admin\AppData\Local\Temp\BABUK.exe"1⤵
- Modifies extensions of user files
- Enumerates connected drives
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1636 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet2⤵
- Suspicious use of WriteProcessMemory
PID:1448 -
C:\Windows\system32\vssadmin.exevssadmin.exe delete shadows /all /quiet3⤵
- Interacts with shadow copies
PID:1980
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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:536 -
C:\Windows\system32\vssadmin.exevssadmin.exe delete shadows /all /quiet3⤵
- Interacts with shadow copies
PID:620
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1760