darkside | 0f808fd3ecf9d722aafeee46b57aad4d07f39c98be6f6148be979ed470cf0a99

Resubmissions

27/01/2024, 19:37

240127-yb5pksafd3 10

27/01/2024, 19:36

240127-ybqwesafc2 10

12/05/2021, 15:56

210512-db4t7vmwas 10

Analysis

max time kernel
87s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
27/01/2024, 19:37

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General

Target

27214dcb04310040c38f8d6a65fe03c14b18d4171390da271855fdd02e06768f.exe
Size

59KB
MD5

3fd9b0117a0e79191859630148dcdc6d
SHA1

cf04fa736baf22a2ca4e67f1c7723f1776267e28
SHA256

27214dcb04310040c38f8d6a65fe03c14b18d4171390da271855fdd02e06768f
SHA512

c5175720f432c157eb34da92b29a15f1d7cee77240be12289d5cdb52419dd448b2081a579f783fd48d6226d49057eb3e79f38d85d335761089386a621d1419de
SSDEEP

768:vjjmbIax7F3DS4/S9NbnASghx2/ZGNePXPz+3+sT9BmXkY23W58:0x7Fu4/iNbASw2xGNaXrtsp2/Z58

Score

10^/10

darkside ransomware spyware stealer

Malware Config

Extracted

Path

C:\Users\README.bf7a98bf.TXT

Family

darkside

Ransom Note

----------- [ Welcome to DarkSide ] -------------> What happend? ---------------------------------------------- Your computers and servers are encrypted, backups are deleted. We use strong encryption algorithms, so you cannot decrypt your data. But you can restore everything by purchasing a special program from us - universal decryptor. This program will restore all your network. Follow our instructions below and you will recover all your data. Data leak ---------------------------------------------- First of all we have uploaded more then 37GB data. These files include: - Office - HR - Tax Confidental - Finance Your personal leak page: http://darksidedxcftmqa.onion/blog/article/id/62/HaER8VXDfRbMaspeLi3Za1LoRutpsd_nKm-yHc5RAJk1xxMFe2jnOQlD70US6XCT On the page you will find examples of files that have been downloaded. The data is preloaded and will be automatically published if you do not pay. After publication, your data will be available for at least 6 months on our tor cdn servers. We are ready: - To provide you the evidence of stolen data - To delete all the stolen data. 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. How to get access on website? ---------------------------------------------- Using a TOR browser: 1) Download and install TOR browser from this site: https://torproject.org/ 2) Open our website: http://darksidfqzcuhtk2.onion/SN8W532EY9MVOD09H4HBVZ1RI9RS4AATPO11NCDX0JKZ7GAPU6K6CV3CVLSS2NMH When you open our website, put the following data in the input form: Key: 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 !!! DANGER !!! DO NOT MODIFY or try to RECOVER any files yourself. We WILL NOT be able to RESTORE them. !!! DANGER !!!

URLs

http://darksidedxcftmqa.onion/blog/article/id/62/HaER8VXDfRbMaspeLi3Za1LoRutpsd_nKm-yHc5RAJk1xxMFe2jnOQlD70US6XCT

http://darksidfqzcuhtk2.onion/SN8W532EY9MVOD09H4HBVZ1RI9RS4AATPO11NCDX0JKZ7GAPU6K6CV3CVLSS2NMH

Signatures

DarkSide
Targeted ransomware first seen in August 2020. Operators steal data to use as leverage.
ransomware darkside
Renames multiple (163) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
ransomware
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Sets desktop wallpaper using registry 2 TTPs 2 IoCs

ransomware

Defacement

T1491

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Control Panel\Desktop\WallPaper = "C:\\ProgramData\\bf7a98bf.BMP"	27214dcb04310040c38f8d6a65fe03c14b18d4171390da271855fdd02e06768f.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\bf7a98bf.BMP"	27214dcb04310040c38f8d6a65fe03c14b18d4171390da271855fdd02e06768f.exe

Modifies Control Panel 1 IoCs

evasion

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Control Panel\Desktop\WallpaperStyle = "10"	27214dcb04310040c38f8d6a65fe03c14b18d4171390da271855fdd02e06768f.exe

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.bf7a98bf	27214dcb04310040c38f8d6a65fe03c14b18d4171390da271855fdd02e06768f.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.bf7a98bf\ = "bf7a98bf"	27214dcb04310040c38f8d6a65fe03c14b18d4171390da271855fdd02e06768f.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\bf7a98bf\DefaultIcon	27214dcb04310040c38f8d6a65fe03c14b18d4171390da271855fdd02e06768f.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\bf7a98bf	27214dcb04310040c38f8d6a65fe03c14b18d4171390da271855fdd02e06768f.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\bf7a98bf\DefaultIcon\ = "C:\\Users\\Admin\\AppData\\Local\\bf7a98bf.ico"	27214dcb04310040c38f8d6a65fe03c14b18d4171390da271855fdd02e06768f.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3904	27214dcb04310040c38f8d6a65fe03c14b18d4171390da271855fdd02e06768f.exe
3904	27214dcb04310040c38f8d6a65fe03c14b18d4171390da271855fdd02e06768f.exe

Suspicious use of AdjustPrivilegeToken 21 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	3904	27214dcb04310040c38f8d6a65fe03c14b18d4171390da271855fdd02e06768f.exe
Token: SeSecurityPrivilege	3904	27214dcb04310040c38f8d6a65fe03c14b18d4171390da271855fdd02e06768f.exe
Token: SeTakeOwnershipPrivilege	3904	27214dcb04310040c38f8d6a65fe03c14b18d4171390da271855fdd02e06768f.exe
Token: SeLoadDriverPrivilege	3904	27214dcb04310040c38f8d6a65fe03c14b18d4171390da271855fdd02e06768f.exe
Token: SeSystemProfilePrivilege	3904	27214dcb04310040c38f8d6a65fe03c14b18d4171390da271855fdd02e06768f.exe
Token: SeSystemtimePrivilege	3904	27214dcb04310040c38f8d6a65fe03c14b18d4171390da271855fdd02e06768f.exe
Token: SeProfSingleProcessPrivilege	3904	27214dcb04310040c38f8d6a65fe03c14b18d4171390da271855fdd02e06768f.exe
Token: SeIncBasePriorityPrivilege	3904	27214dcb04310040c38f8d6a65fe03c14b18d4171390da271855fdd02e06768f.exe
Token: SeCreatePagefilePrivilege	3904	27214dcb04310040c38f8d6a65fe03c14b18d4171390da271855fdd02e06768f.exe
Token: SeBackupPrivilege	3904	27214dcb04310040c38f8d6a65fe03c14b18d4171390da271855fdd02e06768f.exe
Token: SeRestorePrivilege	3904	27214dcb04310040c38f8d6a65fe03c14b18d4171390da271855fdd02e06768f.exe
Token: SeShutdownPrivilege	3904	27214dcb04310040c38f8d6a65fe03c14b18d4171390da271855fdd02e06768f.exe
Token: SeDebugPrivilege	3904	27214dcb04310040c38f8d6a65fe03c14b18d4171390da271855fdd02e06768f.exe
Token: SeSystemEnvironmentPrivilege	3904	27214dcb04310040c38f8d6a65fe03c14b18d4171390da271855fdd02e06768f.exe
Token: SeRemoteShutdownPrivilege	3904	27214dcb04310040c38f8d6a65fe03c14b18d4171390da271855fdd02e06768f.exe
Token: SeUndockPrivilege	3904	27214dcb04310040c38f8d6a65fe03c14b18d4171390da271855fdd02e06768f.exe
Token: SeManageVolumePrivilege	3904	27214dcb04310040c38f8d6a65fe03c14b18d4171390da271855fdd02e06768f.exe
Token: 33	3904	27214dcb04310040c38f8d6a65fe03c14b18d4171390da271855fdd02e06768f.exe
Token: 34	3904	27214dcb04310040c38f8d6a65fe03c14b18d4171390da271855fdd02e06768f.exe
Token: 35	3904	27214dcb04310040c38f8d6a65fe03c14b18d4171390da271855fdd02e06768f.exe
Token: 36	3904	27214dcb04310040c38f8d6a65fe03c14b18d4171390da271855fdd02e06768f.exe

C:\Users\Admin\AppData\Local\Temp\27214dcb04310040c38f8d6a65fe03c14b18d4171390da271855fdd02e06768f.exe
"C:\Users\Admin\AppData\Local\Temp\27214dcb04310040c38f8d6a65fe03c14b18d4171390da271855fdd02e06768f.exe"
1⤵
- Sets desktop wallpaper using registry
- Modifies Control Panel
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3904

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Defacement

T1491

Replay Monitor

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Downloads

C:\Users\README.bf7a98bf.TXT

Filesize
2KB

MD5
ea62422d82c4b49a0cd73afe537efad4

SHA1
d2d9542c8a72ac0354db23f79d5e2dbab35f9ef0

SHA256
671af827ce2b797ab6f2c3999549beb56a0ee568bf30bb22afc45ce81a1783b2

SHA512
5c6009d548ba4c556bcfeed91dd221830753ffb86bb75e74dc2824703fc759ce5f4af59ca1b204e5ad41caea3752f12ee8fc5ebf08a3b234033367c4ffcedb4d

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