58ccba4fb2b3ed8b5f92adddd6ee331a6afdedfc755145e0432a7cb324c28053

General

Target
58ccba4fb2b3ed8b5f92adddd6ee331a6afdedfc755145e0432a7cb324c28053.exe
Size 29KB
Sample210128-b3gdrfb24s
SHA256 58ccba4fb2b3ed8b5f92adddd6ee331a6afdedfc755145e0432a7cb324c28053
MD5 67e49cfcd12103b5ef2f9f331f092dbe
SHA1 72cad5a81ce546b42844b5b8fc2ab55e99f2b5d4
SHA512 21fa0d1be0d5be2da8c4c68357e1e294503d87c21a304c5811669eaa9aba29b6cfcd077d083547e2f41269b12c6a8da5ad2ea0f1613d9a96917ea01c69fcb087
MD5 SHA1 SHA512

Score

10^/10

ransomware

Malware Config

Extracted

Path

C:\Users\How To Restore Your Files.txt

Ransom Note

Hello! serco.com, we are the BABUK team and you have big security problems, we are not a government hackers, we are only interested in money. We've been surfing inside your network for about 3 weeks and copied more than 1 TB of your data. Down below you can see screenshots of the data we stole. We strongly recommend you to get us in touch and discuss the details of the future deal in our private chat: * How to contact us? ---------------------------------------------- 1) Download Tor browser: https://www.torproject.org/download/ 2) Open it 3) Follow this link in tor browser: http://babukq4e2p4wu4iq.onion/login.php?id=dKK7wnOiVHoXdqSrVcb1gxKpC9JICQ We can provide you any amount of proofs of data we stole, in case we do not come to any agreement or you won't text us in near five days, the data will be published in our blog. Links to this blog is private now, but how fast it become public depends only from you. http://gtmx56k4hutn3ikv.onion/?dUIel0o8kfjZf4zUHDbm About the consequences that can appear in case if you won't cooperate with us to resolve this situation: -The price of your stocks will fall down and you will loose much more money than the amount we ask. -Your partners such as NATO, or Belgian Army or anyone else won't be so happy that their secret documents are in free access in the internet. Who knows how the third party can use those documents, we are not responsible for that. -GDPR will arrange the revision of your company and the outcome they figure out will make you cry, this is a fact. -Part of your systems will stay locked and you can't recover it and few years of labor of your employees become meaningless. https://temp.sh/fVAxj/1.png https://temp.sh/VZRcj/2.png https://temp.sh/qpkLy/3.png https://temp.sh/hPkTt/4.png https://temp.sh/ENvac/5.png https://temp.sh/YzAJd/6.png https://temp.sh/eBGdx/7.png https://temp.sh/KAXUW/8.png

URLs

http://babukq4e2p4wu4iq.onion/login.php?id=dKK7wnOiVHoXdqSrVcb1gxKpC9JICQ
http://gtmx56k4hutn3ikv.onion/?dUIel0o8kfjZf4zUHDbm
https://temp.sh/fVAxj/1.png
https://temp.sh/VZRcj/2.png
https://temp.sh/qpkLy/3.png
https://temp.sh/hPkTt/4.png
https://temp.sh/ENvac/5.png
https://temp.sh/YzAJd/6.png
https://temp.sh/eBGdx/7.png
https://temp.sh/KAXUW/8.png

Signatures

Deletes shadow copies 2 TTPs
Ransomware often targets backup files to inhibit system recovery.
ransomware

File Deletion
T1107

Inhibit System Recovery
T1490

Modifies extensions of user files 7 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

description	ioc	Process
File opened for modification	C:\Users\Admin\Pictures\UnprotectUninstall.tiff	58ccba4fb2b3ed8b5f92adddd6ee331a6afdedfc755145e0432a7cb324c28053.exe
File renamed	C:\Users\Admin\Pictures\UnprotectUninstall.tiff => C:\Users\Admin\Pictures\UnprotectUninstall.tiff.babyk	58ccba4fb2b3ed8b5f92adddd6ee331a6afdedfc755145e0432a7cb324c28053.exe
File opened for modification	C:\Users\Admin\Pictures\UnprotectUninstall.tiff.babyk	58ccba4fb2b3ed8b5f92adddd6ee331a6afdedfc755145e0432a7cb324c28053.exe
File renamed	C:\Users\Admin\Pictures\RenameGrant.raw => C:\Users\Admin\Pictures\RenameGrant.raw.babyk	58ccba4fb2b3ed8b5f92adddd6ee331a6afdedfc755145e0432a7cb324c28053.exe
File opened for modification	C:\Users\Admin\Pictures\RenameGrant.raw.babyk	58ccba4fb2b3ed8b5f92adddd6ee331a6afdedfc755145e0432a7cb324c28053.exe
File renamed	C:\Users\Admin\Pictures\RenameReset.tif => C:\Users\Admin\Pictures\RenameReset.tif.babyk	58ccba4fb2b3ed8b5f92adddd6ee331a6afdedfc755145e0432a7cb324c28053.exe
File opened for modification	C:\Users\Admin\Pictures\RenameReset.tif.babyk	58ccba4fb2b3ed8b5f92adddd6ee331a6afdedfc755145e0432a7cb324c28053.exe

Enumerates connected drives 3 TTPs 24 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\R:	58ccba4fb2b3ed8b5f92adddd6ee331a6afdedfc755145e0432a7cb324c28053.exe
File opened (read-only)	\??\Y:	58ccba4fb2b3ed8b5f92adddd6ee331a6afdedfc755145e0432a7cb324c28053.exe
File opened (read-only)	\??\U:	58ccba4fb2b3ed8b5f92adddd6ee331a6afdedfc755145e0432a7cb324c28053.exe
File opened (read-only)	\??\H:	58ccba4fb2b3ed8b5f92adddd6ee331a6afdedfc755145e0432a7cb324c28053.exe
File opened (read-only)	\??\K:	58ccba4fb2b3ed8b5f92adddd6ee331a6afdedfc755145e0432a7cb324c28053.exe
File opened (read-only)	\??\L:	58ccba4fb2b3ed8b5f92adddd6ee331a6afdedfc755145e0432a7cb324c28053.exe
File opened (read-only)	\??\A:	58ccba4fb2b3ed8b5f92adddd6ee331a6afdedfc755145e0432a7cb324c28053.exe
File opened (read-only)	\??\B:	58ccba4fb2b3ed8b5f92adddd6ee331a6afdedfc755145e0432a7cb324c28053.exe
File opened (read-only)	\??\M:	58ccba4fb2b3ed8b5f92adddd6ee331a6afdedfc755145e0432a7cb324c28053.exe
File opened (read-only)	\??\Q:	58ccba4fb2b3ed8b5f92adddd6ee331a6afdedfc755145e0432a7cb324c28053.exe
File opened (read-only)	\??\T:	58ccba4fb2b3ed8b5f92adddd6ee331a6afdedfc755145e0432a7cb324c28053.exe
File opened (read-only)	\??\O:	58ccba4fb2b3ed8b5f92adddd6ee331a6afdedfc755145e0432a7cb324c28053.exe
File opened (read-only)	\??\G:	58ccba4fb2b3ed8b5f92adddd6ee331a6afdedfc755145e0432a7cb324c28053.exe
File opened (read-only)	\??\Z:	58ccba4fb2b3ed8b5f92adddd6ee331a6afdedfc755145e0432a7cb324c28053.exe
File opened (read-only)	\??\X:	58ccba4fb2b3ed8b5f92adddd6ee331a6afdedfc755145e0432a7cb324c28053.exe
File opened (read-only)	\??\W:	58ccba4fb2b3ed8b5f92adddd6ee331a6afdedfc755145e0432a7cb324c28053.exe
File opened (read-only)	\??\E:	58ccba4fb2b3ed8b5f92adddd6ee331a6afdedfc755145e0432a7cb324c28053.exe
File opened (read-only)	\??\I:	58ccba4fb2b3ed8b5f92adddd6ee331a6afdedfc755145e0432a7cb324c28053.exe
File opened (read-only)	\??\P:	58ccba4fb2b3ed8b5f92adddd6ee331a6afdedfc755145e0432a7cb324c28053.exe
File opened (read-only)	\??\S:	58ccba4fb2b3ed8b5f92adddd6ee331a6afdedfc755145e0432a7cb324c28053.exe
File opened (read-only)	\??\F:	58ccba4fb2b3ed8b5f92adddd6ee331a6afdedfc755145e0432a7cb324c28053.exe
File opened (read-only)	\??\J:	58ccba4fb2b3ed8b5f92adddd6ee331a6afdedfc755145e0432a7cb324c28053.exe
File opened (read-only)	\??\V:	58ccba4fb2b3ed8b5f92adddd6ee331a6afdedfc755145e0432a7cb324c28053.exe
File opened (read-only)	\??\N:	58ccba4fb2b3ed8b5f92adddd6ee331a6afdedfc755145e0432a7cb324c28053.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
ransomware

System Information Discovery
T1082

Interacts with shadow copies 2 TTPs 2 IoCs

Shadow copies are often targeted by ransomware to inhibit system recovery.

ransomware

File Deletion

T1107

Inhibit System Recovery

T1490

pid	Process
2920	vssadmin.exe
1332	vssadmin.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3084	58ccba4fb2b3ed8b5f92adddd6ee331a6afdedfc755145e0432a7cb324c28053.exe
3084	58ccba4fb2b3ed8b5f92adddd6ee331a6afdedfc755145e0432a7cb324c28053.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeBackupPrivilege	940	vssvc.exe
Token: SeRestorePrivilege	940	vssvc.exe
Token: SeAuditPrivilege	940	vssvc.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3084 wrote to memory of 2876	3084	58ccba4fb2b3ed8b5f92adddd6ee331a6afdedfc755145e0432a7cb324c28053.exe	75
PID 3084 wrote to memory of 2876	3084	58ccba4fb2b3ed8b5f92adddd6ee331a6afdedfc755145e0432a7cb324c28053.exe	75
PID 2876 wrote to memory of 2920	2876	cmd.exe	77
PID 2876 wrote to memory of 2920	2876	cmd.exe	77
PID 3084 wrote to memory of 2748	3084	58ccba4fb2b3ed8b5f92adddd6ee331a6afdedfc755145e0432a7cb324c28053.exe	80
PID 3084 wrote to memory of 2748	3084	58ccba4fb2b3ed8b5f92adddd6ee331a6afdedfc755145e0432a7cb324c28053.exe	80
PID 2748 wrote to memory of 1332	2748	cmd.exe	82
PID 2748 wrote to memory of 1332	2748	cmd.exe	82

C:\Users\Admin\AppData\Local\Temp\58ccba4fb2b3ed8b5f92adddd6ee331a6afdedfc755145e0432a7cb324c28053.exe
"C:\Users\Admin\AppData\Local\Temp\58ccba4fb2b3ed8b5f92adddd6ee331a6afdedfc755145e0432a7cb324c28053.exe"
1⤵
- Modifies extensions of user files
- Enumerates connected drives
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3084
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2876
- - C:\Windows\system32\vssadmin.exe
    vssadmin.exe delete shadows /all /quiet
    3⤵
    - Interacts with shadow copies
    PID:2920
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2748
- - C:\Windows\system32\vssadmin.exe
    vssadmin.exe delete shadows /all /quiet
    3⤵
    - Interacts with shadow copies
    PID:1332