babuk | 3491a946bea7d927d02ae2a28b1001f40a3058f9ec98266f3dc34d472b746a17

Analysis

max time kernel
118s
max time network
120s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
24-07-2024 16:12

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General

Target

30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.exe
Size

31KB
MD5

dd7f88a68a76acc0be9eb0515d54a82a
SHA1

ca205a28b8dbd74c60fdeaf522804d5a2a45dd0b
SHA256

30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8
SHA512

8e99c1d3291dacaf13c7aff75549d50484b593022bdb82cb3ecffd58f0bbf1dd1ae4deeb09f072d4c3f1b8918a0bc785a397143863466975dad950e115db5af6
SSDEEP

768:73QN4DGrqBLP977YowZe478mR26fgjVyBm8Je7tFv/7iJFzMWe:7gdoT93DaRXf5B+tFcJe

Score

10^/10

babuk credential_access defense_evasion discovery execution impact ransomware stealer

Malware Config

Extracted

Path

\Device\HarddiskVolume1\Boot\cs-CZ\How To Restore Your Files.txt

Ransom Note

----------- [ Hello, WIGGINS-AIR ] -------------> ****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 10 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. https://i.imgur.com/RzYzVnY.png https://i.imgur.com/kJzIOqn.png https://i.imgur.com/bFdNbyO.png How to contact us? ---------------------------------------------- Using TOR Browser ( https://www.torproject.org/download/ ): Char url: http://babukq4e2p4wu4iq.onion/login.php?id=0KflFXBAmSHtJrtKWtOPzxZmhJATon !!! DANGER !!! DO NOT MODIFY or try to RECOVER any files yourself. We WILL NOT be able to RESTORE them. !!! DANGER !!

URLs

https://i.imgur.com/RzYzVnY.png

https://i.imgur.com/kJzIOqn.png

https://i.imgur.com/bFdNbyO.png

http://babukq4e2p4wu4iq.onion/login.php?id=0KflFXBAmSHtJrtKWtOPzxZmhJATon

Signatures

Babuk Locker
RaaS first seen in 2021 initially called Vasa Locker.
ransomware babuk
Deletes shadow copies 3 TTPs
Ransomware often targets backup files to inhibit system recovery.
ransomware defense_evasion impact execution

File Deletion
T1070.004

Inhibit System Recovery
T1490

Windows Management Instrumentation
T1047
Renames multiple (407) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
ransomware
Credentials from Password Stores: Windows Credential Manager 1 TTPs
Suspicious access to Credentials History.
credential_access stealer

Windows Credential Manager
T1555.004

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\How To Restore Your Files.txt	30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.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)	\??\H:	30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.exe
File opened (read-only)	\??\K:	30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.exe
File opened (read-only)	\??\L:	30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.exe
File opened (read-only)	\??\Z:	30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.exe
File opened (read-only)	\??\M:	30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.exe
File opened (read-only)	\??\R:	30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.exe
File opened (read-only)	\??\I:	30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.exe
File opened (read-only)	\??\S:	30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.exe
File opened (read-only)	\??\F:	30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.exe
File opened (read-only)	\??\E:	30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.exe
File opened (read-only)	\??\G:	30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.exe
File opened (read-only)	\??\J:	30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.exe
File opened (read-only)	\??\X:	30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.exe
File opened (read-only)	\??\N:	30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.exe
File opened (read-only)	\??\Q:	30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.exe
File opened (read-only)	\??\W:	30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.exe
File opened (read-only)	\??\O:	30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.exe
File opened (read-only)	\??\P:	30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.exe
File opened (read-only)	\??\A:	30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.exe
File opened (read-only)	\??\V:	30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.exe
File opened (read-only)	\??\B:	30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.exe
File opened (read-only)	\??\T:	30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.exe
File opened (read-only)	\??\Y:	30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.exe
File opened (read-only)	\??\U:	30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.exe

Interacts with shadow copies 3 TTPs 2 IoCs

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

ransomware

File Deletion

T1070.004

Inhibit System Recovery

T1490

Direct Volume Access

T1006

pid	Process
2928	vssadmin.exe
1888	vssadmin.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2688	30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.exe
2688	30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.exe
2688	30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.exe
2688	30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.exe
2688	30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.exe
2688	30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.exe
2688	30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.exe
2688	30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.exe
2688	30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.exe
2688	30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.exe
2688	30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.exe
2688	30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.exe
2688	30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.exe
2688	30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.exe
2688	30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.exe
2688	30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.exe
2688	30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.exe
2688	30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.exe
2688	30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.exe
2688	30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.exe
2688	30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.exe
2688	30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.exe
2688	30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.exe
2688	30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.exe
2688	30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.exe
2688	30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.exe
2688	30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.exe
2688	30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.exe
2688	30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.exe
2688	30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.exe
2688	30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.exe
2688	30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.exe
2688	30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.exe
2688	30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.exe
2688	30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.exe
2688	30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.exe
2688	30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.exe
2688	30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.exe
2688	30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.exe
2688	30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.exe
2688	30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.exe
2688	30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.exe
2688	30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.exe
2688	30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.exe
2688	30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.exe
2688	30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.exe
2688	30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.exe
2688	30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.exe
2688	30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.exe
2688	30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.exe
2688	30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.exe
2688	30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.exe
2688	30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.exe
2688	30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.exe
2688	30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.exe
2688	30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.exe
2688	30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.exe
2688	30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.exe
2688	30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.exe
2688	30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.exe
2688	30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.exe
2688	30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.exe
2688	30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.exe
2688	30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeBackupPrivilege	2060	vssvc.exe
Token: SeRestorePrivilege	2060	vssvc.exe
Token: SeAuditPrivilege	2060	vssvc.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2688 wrote to memory of 2752	2688	30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.exe	30
PID 2688 wrote to memory of 2752	2688	30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.exe	30
PID 2688 wrote to memory of 2752	2688	30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.exe	30
PID 2688 wrote to memory of 2752	2688	30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.exe	30
PID 2752 wrote to memory of 2928	2752	cmd.exe	32
PID 2752 wrote to memory of 2928	2752	cmd.exe	32
PID 2752 wrote to memory of 2928	2752	cmd.exe	32
PID 2688 wrote to memory of 2252	2688	30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.exe	37
PID 2688 wrote to memory of 2252	2688	30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.exe	37
PID 2688 wrote to memory of 2252	2688	30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.exe	37
PID 2688 wrote to memory of 2252	2688	30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.exe	37
PID 2252 wrote to memory of 1888	2252	cmd.exe	39
PID 2252 wrote to memory of 1888	2252	cmd.exe	39
PID 2252 wrote to memory of 1888	2252	cmd.exe	39

Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware

C:\Users\Admin\AppData\Local\Temp\30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.exe
"C:\Users\Admin\AppData\Local\Temp\30fcff7add11ea6685a233c8ce1fc30abe67044630524a6eb363573a4a9f88b8.exe"
1⤵
- Drops startup file
- Enumerates connected drives
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2688
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2752
- - C:\Windows\system32\vssadmin.exe
    vssadmin.exe delete shadows /all /quiet
    3⤵
    - Interacts with shadow copies
    PID:2928
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2252
- - C:\Windows\system32\vssadmin.exe
    vssadmin.exe delete shadows /all /quiet
    3⤵
    - Interacts with shadow copies
    PID:1888

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2060

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Windows Management Instrumentation

T1047

Persistence

Privilege Escalation

Defense Evasion

Direct Volume Access

T1006

Indicator Removal

T1070

File Deletion

T1070.004

Credential Access

Credentials from Password Stores

T1555

Windows Credential Manager

T1555.004

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Inhibit System Recovery

T1490

Replay Monitor

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Downloads

\Device\HarddiskVolume1\Boot\cs-CZ\How To Restore Your Files.txt

Filesize
1KB

MD5
4696310ca321ce5a34e879b4e8b0611a

SHA1
89082071a1e6d3379a923ef6a39903cc05dfe495

SHA256
1f366b81cfa615b53eb24345d09abee973b2b82778f5f21f8ee31fbe13e7d92a

SHA512
94bfbe6b23e73435a30c6f1bb94970bf9eaa1d9cea0e38d654e23be28ff3802dbabb3984087784a3a99b12f6517389378f1d4c3016b15b6b05a498293480c7d5

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