sodinokibi | b8a3da8c60459974767732321a29b91dfea59ab5ad993caf832f2bb2484b5c96

General

Target

b8a3da8c60459974767732321a29b91dfea59ab5ad993caf832f2bb2484b5c96.exe
Size

107KB
MD5

40c01e02dd940c2b3ca1466799da68fd
SHA1

daa2b8467edff06bf3f8cc926534bc088049a092
SHA256

b8a3da8c60459974767732321a29b91dfea59ab5ad993caf832f2bb2484b5c96
SHA512

831b89e00addfbd4e78d90e61ae6874ad6fbe4482099dbd894c4f23236edf72b5d0c86dec72a4f592f84b60e3d3f0797c1f1ae86aaa78d62a5d96ab6070ab2c5

Score

10^/10

sodinokibi persistence ransomware

Malware Config

Extracted

Path

C:\Users\Admin\Desktop\4agrfsh5tx7-HOW-TO-DECRYPT.txt

Family

sodinokibi

Ransom Note

---=== Welcome. Again. ===--- [+] Whats Happen? [+] Your files are encrypted, and currently unavailable. You can check it: all files on you computer has expansion 4agrfsh5tx7. By the way, everything is possible to recover (restore), but you need to follow our instructions. Otherwise, you cant return your data (NEVER). [+] What guarantees? [+] Its just a business. We absolutely do not care about you and your deals, except getting benefits. If we do not do our work and liabilities - nobody will not cooperate with us. Its not in our interests. To check the ability of returning files, You should go to our website. There you can decrypt one file for free. That is our guarantee. If you will not cooperate with our service - for us, its does not matter. But you will lose your time and data, cause just we have the private key. In practise - time is much more valuable than money. [+] How to get access on website? [+] You have two ways: 1) [Recommended] Using a TOR browser! a) Download and install TOR browser from this site: https://torproject.org/ b) Open our website: http://wwylgcvegp33t2ytnsqa6klroq3kz643q5ceinkqb7x6232g3guit2id.onion 2) If TOR blocked in your country, try to use VPN! But you can use our secondary website. For this: a) Open your any browser (Chrome, Firefox, Opera, IE, Edge) b) Open our secondary website: http://decryptor.top/913AED0B5FE1497D Warning: secondary website can be blocked, thats why first variant much better and more available. When you open our website, put the following data in the input form: Key: 8615ysoU4dypOy7xCbDZ3SrvP1yxBZwkYPHz9wq2x7nYLMAd96PfdfLqOFq630T eqNQ8rIyQuKm5oTkD1UyEKRH2Dak3Gt86oIr85Bw1I9uS3QC5fnFiCOUYGX4Qh4 JBMpRglmHzi76Khz9xYoYdoZ4axS1hHfTOztFN8fT2fPAERJ1RYG13fqWxv1tSu jsCosVxtwz3Vf7YZzInbkJAoZtJWScHwAI5g7ajyEhmR8h9s8Y5sF1JasYO8Mab UrGUXB1bZizXDhtp1taY3gZrJ9fyiMkmnFRj1NmrG6gKQeG28sWPvBhxSZLXfD3 N7Mt7PJyoHtS79Oao3nzzzV0lheRcCOLDDTMDuImz4rHCtkyD8ge2NDXlWIZv2V l3iP4pCX4uAA4HOx27pNdgtSz96kqms16iGNedqJBlmt2MJPXjPcGo2FJPZ4scr RBIDVBASYQfM249ZmzqNHWQvRqAEODvaj4UsuJxOWQ1LkcALK0xEBOj4vXvpA6D UeEn8jRpdCc00fFKzqz3YQqYUUZ7WXHNaMgqfzBl2LTCjYtZpM69LCpDyqToKUS F5Pan8YoAoNBN7oz5lARJbIBXhc2zfXbi2NGU8FaRi5V7BbGJ0XCJCIoxNCFggz eQwcUthf7fj9lfwDWGVs8IURftjTG594vsbELiGXmVZhjDhIAJq9Kx0V5f7lKOY CfpO2Es2x98GntxrcMaT6PAu72FIplfNX6XC4yoESQ2ALrNmIxeYt5bwf5QA8jM MdvsqWvxniVBpXAiQpdA2GHdcekg9hnFsDqgZ8gPX910Y4wZeWAVfiUFWSPLvOy G4QSlrdJRINn3PQFisKBngRjKtkJHsUdILv5HlKsBMsMS5a0FNrclMLjmqI1GUB iytereV77icAayFQOTtD4B126ALSbdSlrLKYjasWuQt4ILvvhZ3iWQHh60hrSCf dQ1TPnqrxkXSnR7uvPavCktOaDmct3BDsuQnR1fH1sF897dP8Fwc1Qd3hm2LAN7 4jUk3BUd3tT4TeuPdjXenGiLbQXFp9UGnuLZoXkNnm3tiWJYxWZmntUxAIImnOx 3YNRjTUkG8J0BNynEH8SSkrd3aXZgO8jYy9UVFkEcwSnd2TkMfDfp6fTruXJ65E 2AkcMNdR9g4zgRD9BHwMBKc4cTpnlsaIhran3aGWsNE8vG9CnuVCJsDrhp93hzq QGvSy0aGlAaexGeJWTnA1WY8yotGNaNy2 Extension name: 4agrfsh5tx7 ----------------------------------------------------------------------------------------- !!! DANGER !!! DONT try to change files by yourself, DONT use any third party software for restoring your data or antivirus solutions - its may entail damge of the private key and, as result, The Loss all data. !!! !!! !!! ONE MORE TIME: Its in your interests to get your files back. From our side, we (the best specialists) make everything for restoring, but please should not interfere. !!! !!! !!!

URLs

http://wwylgcvegp33t2ytnsqa6klroq3kz643q5ceinkqb7x6232g3guit2id.onion

http://decryptor.top/913AED0B5FE1497D

Signatures

Sodin,Sodinokibi,REvil
Ransomware with advanced anti-analysis and privilege escalation functionality.
ransomware sodinokibi

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

b8a3da8c60459974767732321a29b91dfea59ab5ad993caf832f2bb2484b5c96.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	b8a3da8c60459974767732321a29b91dfea59ab5ad993caf832f2bb2484b5c96.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

b8a3da8c60459974767732321a29b91dfea59ab5ad993caf832f2bb2484b5c96.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\a8hadofi = "C: \\Users\\Admin\\AppData\\Local\\Temp\\b8a3da8c60459974767732321a29b91dfea59ab5ad993caf832f2bb2484b5c96.exe"	b8a3da8c60459974767732321a29b91dfea59ab5ad993caf832f2bb2484b5c96.exe

Drops desktop.ini file(s) 1 IoCs

Processes:

b8a3da8c60459974767732321a29b91dfea59ab5ad993caf832f2bb2484b5c96.exe

description	ioc	process
File opened for modification	C:\Users\Admin\Documents\desktop.ini	b8a3da8c60459974767732321a29b91dfea59ab5ad993caf832f2bb2484b5c96.exe

Sets desktop wallpaper using registry 2 TTPs 1 IoCs

ransomware

Defacement

T1491

Modify Registry

T1112

Processes:

b8a3da8c60459974767732321a29b91dfea59ab5ad993caf832f2bb2484b5c96.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\wallpaper.bmp"	b8a3da8c60459974767732321a29b91dfea59ab5ad993caf832f2bb2484b5c96.exe

Drops file in Windows directory 1 IoCs

Processes:

svchost.exe

description	ioc	process
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\DeliveryOptimization\State\keyValueLKG.dat	svchost.exe

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

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

MusNotifyIcon.exe

description	ioc	process
Key opened	\Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0	MusNotifyIcon.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	MusNotifyIcon.exe

Modifies Control Panel 2 IoCs

evasion

Processes:

b8a3da8c60459974767732321a29b91dfea59ab5ad993caf832f2bb2484b5c96.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\Desktop\WallpaperStyle = "1"	b8a3da8c60459974767732321a29b91dfea59ab5ad993caf832f2bb2484b5c96.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\Desktop\TileWallpaper = "0"	b8a3da8c60459974767732321a29b91dfea59ab5ad993caf832f2bb2484b5c96.exe

Modifies data under HKEY_USERS 47 IoCs

Processes:

svchost.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\GeoVersion_EndpointFullUri = "https://geover.prod.do.dsp.mp.microsoft.com/geoversion"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\GroupConnectionCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.013135"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DODownloadMode = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCacheHostBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\InternetConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CDNConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadRatePct = "100"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DownloadMode_BackCompat = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLinkLocalBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkCnt = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthID = "2"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyLanBytes = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\Geo_EndpointFullUri = "https://geo.prod.do.dsp.mp.microsoft.com/geo"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LANConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkUsageBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\BkDownloadRatePct = "45"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "5.405092"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4048"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Settings	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyGroupBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892252416731815"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "3892"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\FrDownloadRatePct = "90"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthlyUploadRestriction = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCdnBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrCnt = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CacheSizeBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PeerInfoCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LinkLocalConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyInternetBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyInternetBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLanBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkUsageBps = "0"	svchost.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

b8a3da8c60459974767732321a29b91dfea59ab5ad993caf832f2bb2484b5c96.exe

description	pid	process	target process
PID 1944 wrote to memory of 2172	1944	b8a3da8c60459974767732321a29b91dfea59ab5ad993caf832f2bb2484b5c96.exe	cmd.exe
PID 1944 wrote to memory of 2172	1944	b8a3da8c60459974767732321a29b91dfea59ab5ad993caf832f2bb2484b5c96.exe	cmd.exe
PID 1944 wrote to memory of 2172	1944	b8a3da8c60459974767732321a29b91dfea59ab5ad993caf832f2bb2484b5c96.exe	cmd.exe
PID 1944 wrote to memory of 2564	1944	b8a3da8c60459974767732321a29b91dfea59ab5ad993caf832f2bb2484b5c96.exe	cmd.exe
PID 1944 wrote to memory of 2564	1944	b8a3da8c60459974767732321a29b91dfea59ab5ad993caf832f2bb2484b5c96.exe	cmd.exe
PID 1944 wrote to memory of 2564	1944	b8a3da8c60459974767732321a29b91dfea59ab5ad993caf832f2bb2484b5c96.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\b8a3da8c60459974767732321a29b91dfea59ab5ad993caf832f2bb2484b5c96.exe
"C:\Users\Admin\AppData\Local\Temp\b8a3da8c60459974767732321a29b91dfea59ab5ad993caf832f2bb2484b5c96.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Drops desktop.ini file(s)
- Sets desktop wallpaper using registry
- Modifies Control Panel
- Suspicious use of WriteProcessMemory
PID:1944

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" netsh advfirewall firewall set rule group==”Network Discovery” new enable=Yes”
2⤵
PID:2172

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C vssadmin.exe Delete Shadows /All /Quiet & bcdedit /set {default} recoveryenabled No & bcdedit /set {default} bootstatuspolicy ignoreallfailures
2⤵
PID:2564

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2184

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p
1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
PID:3720

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

3

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Defacement

1

T1491

Replay Monitor

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Downloads

memory/1944-130-0x00000000751DE000-0x00000000751DF000-memory.dmp

Filesize
4KB

Download
memory/1944-131-0x0000000000EB0000-0x0000000000ED0000-memory.dmp

Filesize
128KB

Download
memory/1944-132-0x0000000005990000-0x0000000005991000-memory.dmp

Filesize
4KB

Download
memory/1944-133-0x00000000058E0000-0x0000000005972000-memory.dmp

Filesize
584KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads