babuk | 01c647838c374e91e8f9fe967fd25235d72264414bb0d5b82c4fbd4151a9717f

General

Target

01c647838c374e91e8f9fe967fd25235d72264414bb0d5b82c4fbd4151a9717f.bin.exe
Size

79KB
MD5

f9afb31bc17811e5ab4fa406f105b1fe
SHA1

d1a9449dcc8a3aa0c887bce71f128866175f679a
SHA256

01c647838c374e91e8f9fe967fd25235d72264414bb0d5b82c4fbd4151a9717f
SHA512

6feca3dfa221b704208754e67bcdce02a2253961da098b3e376d11217cd00b9f77e42f37f242e1a1f4b759b5fd172c29c9f153fce32eace48e07e802aff40b55
SSDEEP

1536:SX6UhZM4hubesrQLOJgY8ZZP8LHD4XWaNH71dLdG1iiFM2iG2zs4:uhZ5YesrQLOJgY8Zp8LHD4XWaNH71dLI

Score

10^/10

babuk darkside ransomware

Malware Config

Extracted

Path

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

Family

darkside

Ransom Note

----------- [ Hello! ] -------------> ****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. How to contact us? ---------------------------------------------- Using EMAIL: 1) Open your mail 2) Write us: chaos88888@protonmail.com backup address: anttnchf@mailfence.com restore.bab.yk@rambler.ru TO SEND TO THE EMAIL ONLY PERSONAL ID!!! YOUR PERSONAL ID, ATTACH IT: beRv79st1xwM9NTHA1NluiebVXTdr4FS0eRnD5W9wMjAqbKQctyvdxbYuZ8e !!! DANGER !!! DO NOT MODIFY or try to RECOVER any files yourself. We WILL NOT be able to RESTORE them. !!! DANGER !!!

Emails

chaos88888@protonmail.com

anttnchf@mailfence.com

restore.bab.yk@rambler.ru

Signatures

Babuk Locker
RaaS first seen in 2021 initially called Vasa Locker.
ransomware babuk
DarkSide
Targeted ransomware first seen in August 2020. Operators steal data to use as leverage.
ransomware darkside
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 9 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

Processes:

01c647838c374e91e8f9fe967fd25235d72264414bb0d5b82c4fbd4151a9717f.bin.exe

description	ioc	process
File opened for modification	C:\Users\Admin\Pictures\UnlockConvert.tiff	01c647838c374e91e8f9fe967fd25235d72264414bb0d5b82c4fbd4151a9717f.bin.exe
File opened for modification	C:\Users\Admin\Pictures\DenyRegister.png.babyk	01c647838c374e91e8f9fe967fd25235d72264414bb0d5b82c4fbd4151a9717f.bin.exe
File opened for modification	C:\Users\Admin\Pictures\UnlockConvert.tiff.babyk	01c647838c374e91e8f9fe967fd25235d72264414bb0d5b82c4fbd4151a9717f.bin.exe
File opened for modification	C:\Users\Admin\Pictures\UpdateRequest.crw.babyk	01c647838c374e91e8f9fe967fd25235d72264414bb0d5b82c4fbd4151a9717f.bin.exe
File renamed	C:\Users\Admin\Pictures\ClearMerge.crw => C:\Users\Admin\Pictures\ClearMerge.crw.babyk	01c647838c374e91e8f9fe967fd25235d72264414bb0d5b82c4fbd4151a9717f.bin.exe
File opened for modification	C:\Users\Admin\Pictures\ClearMerge.crw.babyk	01c647838c374e91e8f9fe967fd25235d72264414bb0d5b82c4fbd4151a9717f.bin.exe
File renamed	C:\Users\Admin\Pictures\DenyRegister.png => C:\Users\Admin\Pictures\DenyRegister.png.babyk	01c647838c374e91e8f9fe967fd25235d72264414bb0d5b82c4fbd4151a9717f.bin.exe
File renamed	C:\Users\Admin\Pictures\UnlockConvert.tiff => C:\Users\Admin\Pictures\UnlockConvert.tiff.babyk	01c647838c374e91e8f9fe967fd25235d72264414bb0d5b82c4fbd4151a9717f.bin.exe
File renamed	C:\Users\Admin\Pictures\UpdateRequest.crw => C:\Users\Admin\Pictures\UpdateRequest.crw.babyk	01c647838c374e91e8f9fe967fd25235d72264414bb0d5b82c4fbd4151a9717f.bin.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

01c647838c374e91e8f9fe967fd25235d72264414bb0d5b82c4fbd4151a9717f.bin.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Control Panel\International\Geo\Nation	01c647838c374e91e8f9fe967fd25235d72264414bb0d5b82c4fbd4151a9717f.bin.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:

01c647838c374e91e8f9fe967fd25235d72264414bb0d5b82c4fbd4151a9717f.bin.exe

description	ioc	process
File opened (read-only)	\??\E:	01c647838c374e91e8f9fe967fd25235d72264414bb0d5b82c4fbd4151a9717f.bin.exe
File opened (read-only)	\??\O:	01c647838c374e91e8f9fe967fd25235d72264414bb0d5b82c4fbd4151a9717f.bin.exe
File opened (read-only)	\??\K:	01c647838c374e91e8f9fe967fd25235d72264414bb0d5b82c4fbd4151a9717f.bin.exe
File opened (read-only)	\??\M:	01c647838c374e91e8f9fe967fd25235d72264414bb0d5b82c4fbd4151a9717f.bin.exe
File opened (read-only)	\??\W:	01c647838c374e91e8f9fe967fd25235d72264414bb0d5b82c4fbd4151a9717f.bin.exe
File opened (read-only)	\??\J:	01c647838c374e91e8f9fe967fd25235d72264414bb0d5b82c4fbd4151a9717f.bin.exe
File opened (read-only)	\??\L:	01c647838c374e91e8f9fe967fd25235d72264414bb0d5b82c4fbd4151a9717f.bin.exe
File opened (read-only)	\??\Z:	01c647838c374e91e8f9fe967fd25235d72264414bb0d5b82c4fbd4151a9717f.bin.exe
File opened (read-only)	\??\H:	01c647838c374e91e8f9fe967fd25235d72264414bb0d5b82c4fbd4151a9717f.bin.exe
File opened (read-only)	\??\X:	01c647838c374e91e8f9fe967fd25235d72264414bb0d5b82c4fbd4151a9717f.bin.exe
File opened (read-only)	\??\V:	01c647838c374e91e8f9fe967fd25235d72264414bb0d5b82c4fbd4151a9717f.bin.exe
File opened (read-only)	\??\Q:	01c647838c374e91e8f9fe967fd25235d72264414bb0d5b82c4fbd4151a9717f.bin.exe
File opened (read-only)	\??\R:	01c647838c374e91e8f9fe967fd25235d72264414bb0d5b82c4fbd4151a9717f.bin.exe
File opened (read-only)	\??\I:	01c647838c374e91e8f9fe967fd25235d72264414bb0d5b82c4fbd4151a9717f.bin.exe
File opened (read-only)	\??\S:	01c647838c374e91e8f9fe967fd25235d72264414bb0d5b82c4fbd4151a9717f.bin.exe
File opened (read-only)	\??\F:	01c647838c374e91e8f9fe967fd25235d72264414bb0d5b82c4fbd4151a9717f.bin.exe
File opened (read-only)	\??\G:	01c647838c374e91e8f9fe967fd25235d72264414bb0d5b82c4fbd4151a9717f.bin.exe
File opened (read-only)	\??\B:	01c647838c374e91e8f9fe967fd25235d72264414bb0d5b82c4fbd4151a9717f.bin.exe
File opened (read-only)	\??\N:	01c647838c374e91e8f9fe967fd25235d72264414bb0d5b82c4fbd4151a9717f.bin.exe
File opened (read-only)	\??\T:	01c647838c374e91e8f9fe967fd25235d72264414bb0d5b82c4fbd4151a9717f.bin.exe
File opened (read-only)	\??\Y:	01c647838c374e91e8f9fe967fd25235d72264414bb0d5b82c4fbd4151a9717f.bin.exe
File opened (read-only)	\??\U:	01c647838c374e91e8f9fe967fd25235d72264414bb0d5b82c4fbd4151a9717f.bin.exe
File opened (read-only)	\??\P:	01c647838c374e91e8f9fe967fd25235d72264414bb0d5b82c4fbd4151a9717f.bin.exe
File opened (read-only)	\??\A:	01c647838c374e91e8f9fe967fd25235d72264414bb0d5b82c4fbd4151a9717f.bin.exe

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

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

4672 vssadmin.exe
3256 vssadmin.exe

pid	process
4672	vssadmin.exe
3256	vssadmin.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

01c647838c374e91e8f9fe967fd25235d72264414bb0d5b82c4fbd4151a9717f.bin.exe

pid	process
3196	01c647838c374e91e8f9fe967fd25235d72264414bb0d5b82c4fbd4151a9717f.bin.exe
3196	01c647838c374e91e8f9fe967fd25235d72264414bb0d5b82c4fbd4151a9717f.bin.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

vssvc.exe

description pid process

Token: SeBackupPrivilege 1896 vssvc.exe
Token: SeRestorePrivilege 1896 vssvc.exe
Token: SeAuditPrivilege 1896 vssvc.exe

description	pid	process
Token: SeBackupPrivilege	1896	vssvc.exe
Token: SeRestorePrivilege	1896	vssvc.exe
Token: SeAuditPrivilege	1896	vssvc.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

01c647838c374e91e8f9fe967fd25235d72264414bb0d5b82c4fbd4151a9717f.bin.execmd.execmd.exe

description	pid	process	target process
PID 3196 wrote to memory of 3896	3196	01c647838c374e91e8f9fe967fd25235d72264414bb0d5b82c4fbd4151a9717f.bin.exe	cmd.exe
PID 3196 wrote to memory of 3896	3196	01c647838c374e91e8f9fe967fd25235d72264414bb0d5b82c4fbd4151a9717f.bin.exe	cmd.exe
PID 3896 wrote to memory of 4672	3896	cmd.exe	vssadmin.exe
PID 3896 wrote to memory of 4672	3896	cmd.exe	vssadmin.exe
PID 3196 wrote to memory of 3936	3196	01c647838c374e91e8f9fe967fd25235d72264414bb0d5b82c4fbd4151a9717f.bin.exe	cmd.exe
PID 3196 wrote to memory of 3936	3196	01c647838c374e91e8f9fe967fd25235d72264414bb0d5b82c4fbd4151a9717f.bin.exe	cmd.exe
PID 3936 wrote to memory of 3256	3936	cmd.exe	vssadmin.exe
PID 3936 wrote to memory of 3256	3936	cmd.exe	vssadmin.exe

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\01c647838c374e91e8f9fe967fd25235d72264414bb0d5b82c4fbd4151a9717f.bin.exe
"C:\Users\Admin\AppData\Local\Temp\01c647838c374e91e8f9fe967fd25235d72264414bb0d5b82c4fbd4151a9717f.bin.exe"
1⤵
- Modifies extensions of user files
- Checks computer location settings
- Enumerates connected drives
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3196

C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet
2⤵
- Suspicious use of WriteProcessMemory
PID:3896

C:\Windows\system32\vssadmin.exe
vssadmin.exe delete shadows /all /quiet
3⤵
- Interacts with shadow copies
PID:4672

C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet
2⤵
- Suspicious use of WriteProcessMemory
PID:3936

C:\Windows\system32\vssadmin.exe
vssadmin.exe delete shadows /all /quiet
3⤵
- Interacts with shadow copies
PID:3256

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1896

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

File Deletion

2

T1107

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

3

T1082

Peripheral Device Discovery

1

T1120

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Inhibit System Recovery

2

T1490

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Downloads

C:\Recovery\How To Restore Your Files.txt
Filesize
1KB

MD5
9b57be4df98eb3b740a28da699734499

SHA1
abee599dc58c21a7cacf4bc6a727fee782df8b23

SHA256
d7c3edc0231627dccb4c8fc5477ef3bb556f73b5f44d26d7b979c86e856731d6

SHA512
96299b107c3623bda24845a732147b988b153664355a6748c5085e443b626377c8b5cc4c5a83347cc00093dffa7233d6a9665f2b812a2f6e7244b9a9c8f3a389

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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