babuk | 58ccba4fb2b3ed8b5f92adddd6ee331a6afdedfc755145e0432a7cb324c28053

General

Target

58ccba4fb2b3ed8b5f92adddd6ee331a6afdedfc755145e0432a7cb324c28053.exe
Size

29KB
MD5

67e49cfcd12103b5ef2f9f331f092dbe
SHA1

72cad5a81ce546b42844b5b8fc2ab55e99f2b5d4
SHA256

58ccba4fb2b3ed8b5f92adddd6ee331a6afdedfc755145e0432a7cb324c28053
SHA512

21fa0d1be0d5be2da8c4c68357e1e294503d87c21a304c5811669eaa9aba29b6cfcd077d083547e2f41269b12c6a8da5ad2ea0f1613d9a96917ea01c69fcb087

Score

10^/10

babuk ransomware

Malware Config

Extracted

Path

C:\MSOCache\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

Babuk Locker
RaaS first seen in 2021 initially called Vasa Locker.
ransomware babuk
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 12 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

description	ioc	Process
File opened for modification	C:\Users\Admin\Pictures\UnprotectResume.crw.babyk	58ccba4fb2b3ed8b5f92adddd6ee331a6afdedfc755145e0432a7cb324c28053.exe
File renamed	C:\Users\Admin\Pictures\CompareUninstall.png => C:\Users\Admin\Pictures\CompareUninstall.png.babyk	58ccba4fb2b3ed8b5f92adddd6ee331a6afdedfc755145e0432a7cb324c28053.exe
File opened for modification	C:\Users\Admin\Pictures\CompareUninstall.png.babyk	58ccba4fb2b3ed8b5f92adddd6ee331a6afdedfc755145e0432a7cb324c28053.exe
File renamed	C:\Users\Admin\Pictures\ExpandDeny.png => C:\Users\Admin\Pictures\ExpandDeny.png.babyk	58ccba4fb2b3ed8b5f92adddd6ee331a6afdedfc755145e0432a7cb324c28053.exe
File opened for modification	C:\Users\Admin\Pictures\OutMove.crw.babyk	58ccba4fb2b3ed8b5f92adddd6ee331a6afdedfc755145e0432a7cb324c28053.exe
File renamed	C:\Users\Admin\Pictures\ResizeGroup.png => C:\Users\Admin\Pictures\ResizeGroup.png.babyk	58ccba4fb2b3ed8b5f92adddd6ee331a6afdedfc755145e0432a7cb324c28053.exe
File opened for modification	C:\Users\Admin\Pictures\ResizeGroup.png.babyk	58ccba4fb2b3ed8b5f92adddd6ee331a6afdedfc755145e0432a7cb324c28053.exe
File renamed	C:\Users\Admin\Pictures\TraceDeny.crw => C:\Users\Admin\Pictures\TraceDeny.crw.babyk	58ccba4fb2b3ed8b5f92adddd6ee331a6afdedfc755145e0432a7cb324c28053.exe
File opened for modification	C:\Users\Admin\Pictures\ExpandDeny.png.babyk	58ccba4fb2b3ed8b5f92adddd6ee331a6afdedfc755145e0432a7cb324c28053.exe
File renamed	C:\Users\Admin\Pictures\OutMove.crw => C:\Users\Admin\Pictures\OutMove.crw.babyk	58ccba4fb2b3ed8b5f92adddd6ee331a6afdedfc755145e0432a7cb324c28053.exe
File opened for modification	C:\Users\Admin\Pictures\TraceDeny.crw.babyk	58ccba4fb2b3ed8b5f92adddd6ee331a6afdedfc755145e0432a7cb324c28053.exe
File renamed	C:\Users\Admin\Pictures\UnprotectResume.crw => C:\Users\Admin\Pictures\UnprotectResume.crw.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)	\??\Q:	58ccba4fb2b3ed8b5f92adddd6ee331a6afdedfc755145e0432a7cb324c28053.exe
File opened (read-only)	\??\F:	58ccba4fb2b3ed8b5f92adddd6ee331a6afdedfc755145e0432a7cb324c28053.exe
File opened (read-only)	\??\L:	58ccba4fb2b3ed8b5f92adddd6ee331a6afdedfc755145e0432a7cb324c28053.exe
File opened (read-only)	\??\Z:	58ccba4fb2b3ed8b5f92adddd6ee331a6afdedfc755145e0432a7cb324c28053.exe
File opened (read-only)	\??\N:	58ccba4fb2b3ed8b5f92adddd6ee331a6afdedfc755145e0432a7cb324c28053.exe
File opened (read-only)	\??\M:	58ccba4fb2b3ed8b5f92adddd6ee331a6afdedfc755145e0432a7cb324c28053.exe
File opened (read-only)	\??\R:	58ccba4fb2b3ed8b5f92adddd6ee331a6afdedfc755145e0432a7cb324c28053.exe
File opened (read-only)	\??\P:	58ccba4fb2b3ed8b5f92adddd6ee331a6afdedfc755145e0432a7cb324c28053.exe
File opened (read-only)	\??\J:	58ccba4fb2b3ed8b5f92adddd6ee331a6afdedfc755145e0432a7cb324c28053.exe
File opened (read-only)	\??\W:	58ccba4fb2b3ed8b5f92adddd6ee331a6afdedfc755145e0432a7cb324c28053.exe
File opened (read-only)	\??\I:	58ccba4fb2b3ed8b5f92adddd6ee331a6afdedfc755145e0432a7cb324c28053.exe
File opened (read-only)	\??\H:	58ccba4fb2b3ed8b5f92adddd6ee331a6afdedfc755145e0432a7cb324c28053.exe
File opened (read-only)	\??\V:	58ccba4fb2b3ed8b5f92adddd6ee331a6afdedfc755145e0432a7cb324c28053.exe
File opened (read-only)	\??\S:	58ccba4fb2b3ed8b5f92adddd6ee331a6afdedfc755145e0432a7cb324c28053.exe
File opened (read-only)	\??\G:	58ccba4fb2b3ed8b5f92adddd6ee331a6afdedfc755145e0432a7cb324c28053.exe
File opened (read-only)	\??\E:	58ccba4fb2b3ed8b5f92adddd6ee331a6afdedfc755145e0432a7cb324c28053.exe
File opened (read-only)	\??\T:	58ccba4fb2b3ed8b5f92adddd6ee331a6afdedfc755145e0432a7cb324c28053.exe
File opened (read-only)	\??\Y:	58ccba4fb2b3ed8b5f92adddd6ee331a6afdedfc755145e0432a7cb324c28053.exe
File opened (read-only)	\??\U:	58ccba4fb2b3ed8b5f92adddd6ee331a6afdedfc755145e0432a7cb324c28053.exe
File opened (read-only)	\??\O:	58ccba4fb2b3ed8b5f92adddd6ee331a6afdedfc755145e0432a7cb324c28053.exe
File opened (read-only)	\??\A:	58ccba4fb2b3ed8b5f92adddd6ee331a6afdedfc755145e0432a7cb324c28053.exe
File opened (read-only)	\??\K:	58ccba4fb2b3ed8b5f92adddd6ee331a6afdedfc755145e0432a7cb324c28053.exe
File opened (read-only)	\??\X:	58ccba4fb2b3ed8b5f92adddd6ee331a6afdedfc755145e0432a7cb324c28053.exe
File opened (read-only)	\??\B:	58ccba4fb2b3ed8b5f92adddd6ee331a6afdedfc755145e0432a7cb324c28053.exe

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

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
1900	vssadmin.exe
1388	vssadmin.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1812	58ccba4fb2b3ed8b5f92adddd6ee331a6afdedfc755145e0432a7cb324c28053.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeBackupPrivilege	864	vssvc.exe
Token: SeRestorePrivilege	864	vssvc.exe
Token: SeAuditPrivilege	864	vssvc.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1812 wrote to memory of 2028	1812	58ccba4fb2b3ed8b5f92adddd6ee331a6afdedfc755145e0432a7cb324c28053.exe	26
PID 1812 wrote to memory of 2028	1812	58ccba4fb2b3ed8b5f92adddd6ee331a6afdedfc755145e0432a7cb324c28053.exe	26
PID 1812 wrote to memory of 2028	1812	58ccba4fb2b3ed8b5f92adddd6ee331a6afdedfc755145e0432a7cb324c28053.exe	26
PID 1812 wrote to memory of 2028	1812	58ccba4fb2b3ed8b5f92adddd6ee331a6afdedfc755145e0432a7cb324c28053.exe	26
PID 2028 wrote to memory of 1388	2028	cmd.exe	28
PID 2028 wrote to memory of 1388	2028	cmd.exe	28
PID 2028 wrote to memory of 1388	2028	cmd.exe	28
PID 1812 wrote to memory of 972	1812	58ccba4fb2b3ed8b5f92adddd6ee331a6afdedfc755145e0432a7cb324c28053.exe	35
PID 1812 wrote to memory of 972	1812	58ccba4fb2b3ed8b5f92adddd6ee331a6afdedfc755145e0432a7cb324c28053.exe	35
PID 1812 wrote to memory of 972	1812	58ccba4fb2b3ed8b5f92adddd6ee331a6afdedfc755145e0432a7cb324c28053.exe	35
PID 1812 wrote to memory of 972	1812	58ccba4fb2b3ed8b5f92adddd6ee331a6afdedfc755145e0432a7cb324c28053.exe	35
PID 972 wrote to memory of 1900	972	cmd.exe	37
PID 972 wrote to memory of 1900	972	cmd.exe	37
PID 972 wrote to memory of 1900	972	cmd.exe	37

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:1812
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2028
- - C:\Windows\system32\vssadmin.exe
    vssadmin.exe delete shadows /all /quiet
    3⤵
    - Interacts with shadow copies
    PID:1388
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:972
- - C:\Windows\system32\vssadmin.exe
    vssadmin.exe delete shadows /all /quiet
    3⤵
    - Interacts with shadow copies
    PID:1900

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:864

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

File Deletion

2

T1107

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Inhibit System Recovery

2

T1490

Replay Monitor

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Downloads

memory/1812-2-0x0000000076241000-0x0000000076243000-memory.dmp

Filesize
8KB

Download
memory/1812-4-0x0000000002400000-0x0000000002411000-memory.dmp

Filesize
68KB

Download
memory/1812-3-0x0000000000B40000-0x0000000000B51000-memory.dmp

Filesize
68KB

Download

Resubmissions

Analysis

Sharing