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\Admin\README.cb67907a.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
Renames multiple (183) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
ransomware

Modifies extensions of user files 17 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

Processes:

Darkside.exe

description	ioc	process
File opened for modification	C:\Users\Admin\Pictures\OutRegister.tif.cb67907a	Darkside.exe
File renamed	C:\Users\Admin\Pictures\ProtectPublish.tiff => C:\Users\Admin\Pictures\ProtectPublish.tiff.cb67907a	Darkside.exe
File renamed	C:\Users\Admin\Pictures\BackupRestore.tif => C:\Users\Admin\Pictures\BackupRestore.tif.cb67907a	Darkside.exe
File opened for modification	C:\Users\Admin\Pictures\BackupRestore.tif.cb67907a	Darkside.exe
File opened for modification	C:\Users\Admin\Pictures\ConnectShow.tiff	Darkside.exe
File opened for modification	C:\Users\Admin\Pictures\ProtectPublish.tiff	Darkside.exe
File opened for modification	C:\Users\Admin\Pictures\ProtectPublish.tiff.cb67907a	Darkside.exe
File renamed	C:\Users\Admin\Pictures\PublishExit.png => C:\Users\Admin\Pictures\PublishExit.png.cb67907a	Darkside.exe
File opened for modification	C:\Users\Admin\Pictures\ConnectShow.tiff.cb67907a	Darkside.exe
File opened for modification	C:\Users\Admin\Pictures\FindMount.tiff.cb67907a	Darkside.exe
File renamed	C:\Users\Admin\Pictures\OutRegister.tif => C:\Users\Admin\Pictures\OutRegister.tif.cb67907a	Darkside.exe
File renamed	C:\Users\Admin\Pictures\ConnectShow.tiff => C:\Users\Admin\Pictures\ConnectShow.tiff.cb67907a	Darkside.exe
File renamed	C:\Users\Admin\Pictures\FindMount.tiff => C:\Users\Admin\Pictures\FindMount.tiff.cb67907a	Darkside.exe
File renamed	C:\Users\Admin\Pictures\GroupBlock.tif => C:\Users\Admin\Pictures\GroupBlock.tif.cb67907a	Darkside.exe
File opened for modification	C:\Users\Admin\Pictures\FindMount.tiff	Darkside.exe
File opened for modification	C:\Users\Admin\Pictures\GroupBlock.tif.cb67907a	Darkside.exe
File opened for modification	C:\Users\Admin\Pictures\PublishExit.png.cb67907a	Darkside.exe

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

3316 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
T1081

pid	process
3316	cmd.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-1-5-21-3430344531-3702557399-3004411149-1000\Control Panel\Desktop\WallPaper = "C:\\ProgramData\\cb67907a.BMP"	Darkside.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\cb67907a.BMP"	Darkside.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

Darkside.exe

pid process

1052 Darkside.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
1052	Darkside.exe

Modifies Control Panel 1 IoCs

evasion

Processes:

Darkside.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Control Panel\Desktop\WallpaperStyle = "10"	Darkside.exe

Modifies registry class 5 IoCs

Processes:

Darkside.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.cb67907a\ = "cb67907a"	Darkside.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\cb67907a\DefaultIcon	Darkside.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\cb67907a	Darkside.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\cb67907a\DefaultIcon\ = "C:\\Users\\Admin\\AppData\\Local\\cb67907a.ico"	Darkside.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.cb67907a	Darkside.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

powershell.exeDarkside.exe

pid process

1904 powershell.exe
1052 Darkside.exe
1052 Darkside.exe

pid	process
1904	powershell.exe
1052	Darkside.exe
1052	Darkside.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

Processes:

Darkside.exepowershell.exevssvc.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	1052	Darkside.exe
Token: SeSecurityPrivilege	1052	Darkside.exe
Token: SeTakeOwnershipPrivilege	1052	Darkside.exe
Token: SeLoadDriverPrivilege	1052	Darkside.exe
Token: SeSystemProfilePrivilege	1052	Darkside.exe
Token: SeSystemtimePrivilege	1052	Darkside.exe
Token: SeProfSingleProcessPrivilege	1052	Darkside.exe
Token: SeIncBasePriorityPrivilege	1052	Darkside.exe
Token: SeCreatePagefilePrivilege	1052	Darkside.exe
Token: SeBackupPrivilege	1052	Darkside.exe
Token: SeRestorePrivilege	1052	Darkside.exe
Token: SeShutdownPrivilege	1052	Darkside.exe
Token: SeDebugPrivilege	1052	Darkside.exe
Token: SeSystemEnvironmentPrivilege	1052	Darkside.exe
Token: SeRemoteShutdownPrivilege	1052	Darkside.exe
Token: SeUndockPrivilege	1052	Darkside.exe
Token: SeManageVolumePrivilege	1052	Darkside.exe
Token: 33	1052	Darkside.exe
Token: 34	1052	Darkside.exe
Token: 35	1052	Darkside.exe
Token: SeDebugPrivilege	1904	powershell.exe
Token: SeBackupPrivilege	588	vssvc.exe
Token: SeRestorePrivilege	588	vssvc.exe
Token: SeAuditPrivilege	588	vssvc.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

Darkside.exe

description	pid	process	target process
PID 1052 wrote to memory of 1904	1052	Darkside.exe	powershell.exe
PID 1052 wrote to memory of 1904	1052	Darkside.exe	powershell.exe
PID 1052 wrote to memory of 1904	1052	Darkside.exe	powershell.exe
PID 1052 wrote to memory of 1904	1052	Darkside.exe	powershell.exe
PID 1052 wrote to memory of 3316	1052	Darkside.exe	cmd.exe
PID 1052 wrote to memory of 3316	1052	Darkside.exe	cmd.exe
PID 1052 wrote to memory of 3316	1052	Darkside.exe	cmd.exe
PID 1052 wrote to memory of 3316	1052	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⤵
- Modifies extensions of user files
- 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:1052

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:1904

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
PID:3316

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:588

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

1

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

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
392591b8976c442cce54eab6a47773bb

SHA1
c98ab3a498eda87c6f9cb4e4c5be499680312535

SHA256
e5f9bae819b3ef8d7171ae04a1d00d2ec92a7465851681869dec9821a16ed4d0

SHA512
dd1ad4cc804e49f59d05044e57266a94e31fb281c058726b875b88480edbee037d2615d2f416e4a51259281be870f4449e1292f3df23755a7813fae432946c79

Download Submit
C:\Users\Admin\README.cb67907a.TXT
Filesize
3KB

MD5
b58e2411168bbdbec635cf4001635db0

SHA1
c130cd9caaaa514a6b98c1168e10d44a989d191a

SHA256
652a74736e10402013fae584c967fc5ea3b7c2eac0a436d41759963b3d42e37a

SHA512
87e2c3ecf3805a7b3945eed4472548a63cbaee7c004c3bce220524e1c6733b3eb780812b4d336f6b72a365c161c02e18b8101e405d00507ff902e88dd49ba30a

Download Submit
memory/1904-59-0x000000001B2B0000-0x000000001B592000-memory.dmp

Filesize
2.9MB

Download
memory/1904-60-0x0000000002360000-0x0000000002368000-memory.dmp

Filesize
32KB

Download
memory/1904-61-0x0000000002920000-0x00000000029A0000-memory.dmp

Filesize
512KB

Download
memory/1904-62-0x0000000002920000-0x00000000029A0000-memory.dmp

Filesize
512KB

Download
memory/1904-63-0x0000000002920000-0x00000000029A0000-memory.dmp

Filesize
512KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads