3dda3ee9164d6815a18a2c23651a53c35d52e3a5ad375001ec824cf532c202e6

General

Target

babuk_v4.exe
Size

30KB
MD5

9478050023c7f8668df4fc39b0ddd79c
SHA1

7925725cfb04d796f497e5142cba62860fbf87a9
SHA256

3dda3ee9164d6815a18a2c23651a53c35d52e3a5ad375001ec824cf532c202e6
SHA512

74bbf45112de1bf0d51ab0295118035a7e2c2028dd9b03bb8e222b9ccf6e077014c6b5d211b9d3ebe6434a41d883bcae14a0a3e969550ef094b30b73a38514e9

Score

10^/10

ransomware

Malware Config

Extracted

Path

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

Ransom Note

############## [ babyk ransomware ] ############## * 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 without us. 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 many data from your internal network, here are some proofs (private link): http://gtmx56k4hutn3ikv.onion/?h2giV0RRxo38Z2pWhBTs For additional confirmations, please chat with us/ In cases of ignoring us, the information will be released to the public in blog http://gtmx56k4hutn3ikv.onion/ * How to contact us? ---------------------------------------------- 1) Download for browser: https://www.torproject.org/download/ 2) Open it 3) Follow this link in tor browser: http://babukq4e2p4wu4iq.onion/login.php?id=MNn0Flxa2JVxrT2gAiMfYdmAzyvUGi

URLs

http://gtmx56k4hutn3ikv.onion/?h2giV0RRxo38Z2pWhBTs

http://gtmx56k4hutn3ikv.onion/

http://babukq4e2p4wu4iq.onion/login.php?id=MNn0Flxa2JVxrT2gAiMfYdmAzyvUGi

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

Processes:

babuk_v4.exe

description	ioc	process
File opened for modification	C:\Users\Admin\Pictures\RevokeConvertTo.png.babyk	babuk_v4.exe
File opened for modification	C:\Users\Admin\Pictures\TestLimit.tiff	babuk_v4.exe
File renamed	C:\Users\Admin\Pictures\TestLimit.tiff => C:\Users\Admin\Pictures\TestLimit.tiff.babyk	babuk_v4.exe
File opened for modification	C:\Users\Admin\Pictures\TestLimit.tiff.babyk	babuk_v4.exe
File renamed	C:\Users\Admin\Pictures\ConfirmExpand.png => C:\Users\Admin\Pictures\ConfirmExpand.png.babyk	babuk_v4.exe
File opened for modification	C:\Users\Admin\Pictures\ConfirmExpand.png.babyk	babuk_v4.exe
File renamed	C:\Users\Admin\Pictures\RevokeConvertTo.png => C:\Users\Admin\Pictures\RevokeConvertTo.png.babyk	babuk_v4.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

Processes:

babuk_v4.exe

description	ioc	process
File opened (read-only)	\??\T:	babuk_v4.exe
File opened (read-only)	\??\S:	babuk_v4.exe
File opened (read-only)	\??\V:	babuk_v4.exe
File opened (read-only)	\??\Q:	babuk_v4.exe
File opened (read-only)	\??\W:	babuk_v4.exe
File opened (read-only)	\??\R:	babuk_v4.exe
File opened (read-only)	\??\O:	babuk_v4.exe
File opened (read-only)	\??\P:	babuk_v4.exe
File opened (read-only)	\??\X:	babuk_v4.exe
File opened (read-only)	\??\E:	babuk_v4.exe
File opened (read-only)	\??\Y:	babuk_v4.exe
File opened (read-only)	\??\U:	babuk_v4.exe
File opened (read-only)	\??\A:	babuk_v4.exe
File opened (read-only)	\??\F:	babuk_v4.exe
File opened (read-only)	\??\G:	babuk_v4.exe
File opened (read-only)	\??\J:	babuk_v4.exe
File opened (read-only)	\??\Z:	babuk_v4.exe
File opened (read-only)	\??\B:	babuk_v4.exe
File opened (read-only)	\??\N:	babuk_v4.exe
File opened (read-only)	\??\I:	babuk_v4.exe
File opened (read-only)	\??\H:	babuk_v4.exe
File opened (read-only)	\??\K:	babuk_v4.exe
File opened (read-only)	\??\L:	babuk_v4.exe
File opened (read-only)	\??\M:	babuk_v4.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

Processes:

vssadmin.exevssadmin.exe

pid process

1156 vssadmin.exe
864 vssadmin.exe

pid	process
1156	vssadmin.exe
864	vssadmin.exe

Suspicious behavior: EnumeratesProcesses 111 IoCs

Processes:

babuk_v4.exe

pid	process
1832	babuk_v4.exe
1832	babuk_v4.exe
1832	babuk_v4.exe
1832	babuk_v4.exe
1832	babuk_v4.exe
1832	babuk_v4.exe
1832	babuk_v4.exe
1832	babuk_v4.exe
1832	babuk_v4.exe
1832	babuk_v4.exe
1832	babuk_v4.exe
1832	babuk_v4.exe
1832	babuk_v4.exe
1832	babuk_v4.exe
1832	babuk_v4.exe
1832	babuk_v4.exe
1832	babuk_v4.exe
1832	babuk_v4.exe
1832	babuk_v4.exe
1832	babuk_v4.exe
1832	babuk_v4.exe
1832	babuk_v4.exe
1832	babuk_v4.exe
1832	babuk_v4.exe
1832	babuk_v4.exe
1832	babuk_v4.exe
1832	babuk_v4.exe
1832	babuk_v4.exe
1832	babuk_v4.exe
1832	babuk_v4.exe
1832	babuk_v4.exe
1832	babuk_v4.exe
1832	babuk_v4.exe
1832	babuk_v4.exe
1832	babuk_v4.exe
1832	babuk_v4.exe
1832	babuk_v4.exe
1832	babuk_v4.exe
1832	babuk_v4.exe
1832	babuk_v4.exe
1832	babuk_v4.exe
1832	babuk_v4.exe
1832	babuk_v4.exe
1832	babuk_v4.exe
1832	babuk_v4.exe
1832	babuk_v4.exe
1832	babuk_v4.exe
1832	babuk_v4.exe
1832	babuk_v4.exe
1832	babuk_v4.exe
1832	babuk_v4.exe
1832	babuk_v4.exe
1832	babuk_v4.exe
1832	babuk_v4.exe
1832	babuk_v4.exe
1832	babuk_v4.exe
1832	babuk_v4.exe
1832	babuk_v4.exe
1832	babuk_v4.exe
1832	babuk_v4.exe
1832	babuk_v4.exe
1832	babuk_v4.exe
1832	babuk_v4.exe
1832	babuk_v4.exe

Suspicious behavior: RenamesItself 1 IoCs

Processes:

babuk_v4.exe

pid process

1832 babuk_v4.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

vssvc.exe

description pid process

Token: SeBackupPrivilege 1972 vssvc.exe
Token: SeRestorePrivilege 1972 vssvc.exe
Token: SeAuditPrivilege 1972 vssvc.exe

description	pid	process
Token: SeBackupPrivilege	1972	vssvc.exe
Token: SeRestorePrivilege	1972	vssvc.exe
Token: SeAuditPrivilege	1972	vssvc.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

babuk_v4.execmd.execmd.exe

description	pid	process	target process
PID 1832 wrote to memory of 1044	1832	babuk_v4.exe	cmd.exe
PID 1832 wrote to memory of 1044	1832	babuk_v4.exe	cmd.exe
PID 1832 wrote to memory of 1044	1832	babuk_v4.exe	cmd.exe
PID 1832 wrote to memory of 1044	1832	babuk_v4.exe	cmd.exe
PID 1044 wrote to memory of 1156	1044	cmd.exe	vssadmin.exe
PID 1044 wrote to memory of 1156	1044	cmd.exe	vssadmin.exe
PID 1044 wrote to memory of 1156	1044	cmd.exe	vssadmin.exe
PID 1832 wrote to memory of 564	1832	babuk_v4.exe	cmd.exe
PID 1832 wrote to memory of 564	1832	babuk_v4.exe	cmd.exe
PID 1832 wrote to memory of 564	1832	babuk_v4.exe	cmd.exe
PID 1832 wrote to memory of 564	1832	babuk_v4.exe	cmd.exe
PID 564 wrote to memory of 864	564	cmd.exe	vssadmin.exe
PID 564 wrote to memory of 864	564	cmd.exe	vssadmin.exe
PID 564 wrote to memory of 864	564	cmd.exe	vssadmin.exe

C:\Users\Admin\AppData\Local\Temp\babuk_v4.exe
"C:\Users\Admin\AppData\Local\Temp\babuk_v4.exe"
1⤵
- Modifies extensions of user files
- Enumerates connected drives
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:1832
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1044
- - C:\Windows\system32\vssadmin.exe
    vssadmin.exe delete shadows /all /quiet
    3⤵
    - Interacts with shadow copies
    PID:1156
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:564
- - C:\Windows\system32\vssadmin.exe
    vssadmin.exe delete shadows /all /quiet
    3⤵
    - Interacts with shadow copies
    PID:864

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1972

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

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Downloads

memory/564-7-0x0000000000000000-mapping.dmp

Download
memory/864-8-0x0000000000000000-mapping.dmp

Download
memory/1044-5-0x0000000000000000-mapping.dmp

Download
memory/1156-6-0x0000000000000000-mapping.dmp

Download
memory/1832-2-0x0000000076371000-0x0000000076373000-memory.dmp

Filesize
8KB

Download
memory/1832-3-0x0000000001E80000-0x0000000001E91000-memory.dmp

Filesize
68KB

Download
memory/1832-4-0x0000000002290000-0x00000000022A1000-memory.dmp

Filesize
68KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads