53936fcc62ed6e3515b3515531993d92be1d3aca9049f30a2ab2e0805cc45b8d

General

Target

53936fcc62ed6e3515b3515531993d92be1d3aca9049f30a2ab2e0805cc45b8d.bin.sample.dll
Size

122KB
MD5

9cfb3b75ab491fa2fb2598914a7558f4
SHA1

6ba4bfef1a07ef5ba8df319e183dbc253ab45ad8
SHA256

53936fcc62ed6e3515b3515531993d92be1d3aca9049f30a2ab2e0805cc45b8d
SHA512

7799e9afdc0be4473e0e2bd9d524e7b6b6de041c5b9b30a5441d50ae0bb700aa516ed891f6151f1c40d1184d7b5e1eb45d05dfc58834732413466425751e1d54

Score

10^/10

evasion ransomware suricata

Malware Config

Extracted

Path

C:\vcy2u828-readme.txt

Ransom Note

---=== Welcome. Again. ===--- [-] Whats Happen? [-] Your files are encrypted, and currently unavailable. You can check it: all files on your system has extension vcy2u828. 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 practice - 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://aplebzu47wgazapdqks6vrcv6zcnjppkbxbr6wketf56nf6aq2nmyoyd.onion/9EF24CB4BA8A76AC 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://decoder.re/9EF24CB4BA8A76AC 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: vYUEY7bvwN26Xt2UVxi95cMydO0DC9KiDhaZO5o4D970Y3XnyAM/35rLrJEzEV+k /4DRCQF82Xnl9cX2SQ6crbI/xT6HwyvifPdUuVP+pf5LZ4j4h6YbiHjubstWBFzY iq04DwFnbswM2wj4R6jm3/tZsBBG6AfrJIVmiDN3GnY6TxhquNVw7SrhA3CokG2N h0urQ8Bd5YZzLjNH2FMlx1aHihO4NRfFjzAfDN58Rm5BgDrrgAQO8NqFV/LoSfaG dIFAvzdLCF2UYp58o6P2/C+YgYqGMu80jg0SgzzlsBuU2KCLlnNRxGduawCR34cW 02XK8tkaMqaggFcLXzaPrOWiYA63NhzxNEBMrc+2rrCVQbMoC8nt8BtLyi/WYUJ8 mJ/ujkeHANaHjItm16AW33DB4vZlCgsirxlSCCpR+cVAi6b+ylpGL02o/8lvUDz+ t4DDKkF2EssQNgiqRKGirzPTADgLyLv4nRlaRnAPZQ6uTmmVgo54m3rOZwBliPlA 5st0PiKSpw30mVTRgCfIVjXj1Tp6do8NNXG7rkWYV7SIgSM+dF+123LDfV7OFvGC d/mqrJSQgy9KLI1VQcnsWV+aD7Oo5j+DWsZfFVBo57mTsKgxZ07Xn+SsDHKTFUnq Cqo8+RgdsWUYbLpk7dKj/9ouzreL6LXtWSxUl/4wFKS8TSkZa7pevcyBKubtUCul ioW/z/gEQHPjlVNRv0yGXexK8ZVTPlmQsb7iMZbt/dcnk7sJIjqtB8XhJBVQ6vbc PBhkedHxqOExclLK2V0SPwvM7ap6ILH3VWICMMTPbpQkyUV5DnNxgyfezqvSjSFZ EzBAsuvkW86pzrsCLdMmxi3uUxTkmXA35pfSC5Yn6mHQIY56d6kaylOXQmcSuKCr t5zg9kDqReqfqlOE/BZ5WB5HqI3LZ00pSQSAIc8CArFRuktTNwqI/LEuD7qA+OyI aSvspsC/4LoAR9nlEQKoXk4PJThsKxgcuuwgsO9nSeDbHg5PC/dzMWOb2VS7BrM1 eK+SOWvJF/tkNT6vwH8KLRlihHWftxTQlNBT5r9aVR17mVHx8eD/stkdvT1pT7kw AgW9gi0kttRtsCXvhoZPfcoC9A+S8SLI63Zr6gFl1q9mjnu5jXBRe3qqGi5Oq5V4 M0mtEtKP1Jv64eWmnyr0tCzeEUsuiRPu17nwAq8GqfNoqi1mF8sKRWXflIK7u9DH rYqiBj+vuSLhAz9FBj69y4vyflMSfVRA8+Od/tI2bHjsUU5idEDe+gLKuVhsGsDQ DKCxWCd32MdzUMDtSNh5nZu7x7OJeplKgzo= ----------------------------------------------------------------------------------------- !!! DANGER !!! DON'T try to change files by yourself, DON'T use any third party software for restoring your data or antivirus solutions - its may entail damage 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://aplebzu47wgazapdqks6vrcv6zcnjppkbxbr6wketf56nf6aq2nmyoyd.onion/9EF24CB4BA8A76AC

http://decoder.re/9EF24CB4BA8A76AC

Signatures

suricata: ET MALWARE Known Sinkhole Response Header
suricata: ET MALWARE Known Sinkhole Response Header
suricata
Modifies Windows Firewall 1 TTPs
evasion

Modify Existing Service
T1031

Modifies extensions of user files 3 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

Processes:

regsvr32.exe

description	ioc	process
File opened for modification	\??\c:\users\admin\pictures\RemoveStart.tiff	regsvr32.exe
File renamed	C:\Users\Admin\Pictures\InitializeStep.tif => \??\c:\users\admin\pictures\InitializeStep.tif.vcy2u828	regsvr32.exe
File renamed	C:\Users\Admin\Pictures\RemoveStart.tiff => \??\c:\users\admin\pictures\RemoveStart.tiff.vcy2u828	regsvr32.exe

Enumerates connected drives 3 TTPs 25 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

regsvr32.exe

description	ioc	process
File opened (read-only)	\??\Z:	regsvr32.exe
File opened (read-only)	\??\D:	regsvr32.exe
File opened (read-only)	\??\J:	regsvr32.exe
File opened (read-only)	\??\Q:	regsvr32.exe
File opened (read-only)	\??\U:	regsvr32.exe
File opened (read-only)	\??\V:	regsvr32.exe
File opened (read-only)	\??\Y:	regsvr32.exe
File opened (read-only)	\??\X:	regsvr32.exe
File opened (read-only)	\??\E:	regsvr32.exe
File opened (read-only)	\??\F:	regsvr32.exe
File opened (read-only)	\??\L:	regsvr32.exe
File opened (read-only)	\??\P:	regsvr32.exe
File opened (read-only)	\??\W:	regsvr32.exe
File opened (read-only)	\??\G:	regsvr32.exe
File opened (read-only)	\??\M:	regsvr32.exe
File opened (read-only)	\??\S:	regsvr32.exe
File opened (read-only)	\??\T:	regsvr32.exe
File opened (read-only)	\??\N:	regsvr32.exe
File opened (read-only)	\??\O:	regsvr32.exe
File opened (read-only)	\??\R:	regsvr32.exe
File opened (read-only)	\??\A:	regsvr32.exe
File opened (read-only)	\??\B:	regsvr32.exe
File opened (read-only)	\??\H:	regsvr32.exe
File opened (read-only)	\??\I:	regsvr32.exe
File opened (read-only)	\??\K:	regsvr32.exe

Sets desktop wallpaper using registry 2 TTPs 1 IoCs

ransomware

Defacement

T1491

Modify Registry

T1112

Processes:

regsvr32.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\4hay8.bmp"	regsvr32.exe

Drops file in Program Files directory 47 IoCs

Processes:

regsvr32.exe

description	ioc	process
File opened for modification	\??\c:\program files\ConfirmRead.ppsx	regsvr32.exe
File opened for modification	\??\c:\program files\ConvertGroup.csv	regsvr32.exe
File opened for modification	\??\c:\program files\DenyCopy.otf	regsvr32.exe
File opened for modification	\??\c:\program files\FindRename.au3	regsvr32.exe
File opened for modification	\??\c:\program files\InvokeClose.mpeg3	regsvr32.exe
File opened for modification	\??\c:\program files\InvokeDismount.svgz	regsvr32.exe
File opened for modification	\??\c:\program files\OptimizeInstall.wmx	regsvr32.exe
File opened for modification	\??\c:\program files\CloseRevoke.mp4	regsvr32.exe
File created	\??\c:\program files (x86)\microsoft sql server compact edition\v3.5\desktop\tmp	regsvr32.exe
File opened for modification	\??\c:\program files\SwitchStop.nfo	regsvr32.exe
File opened for modification	\??\c:\program files\InstallSet.emz	regsvr32.exe
File opened for modification	\??\c:\program files\PopConfirm.doc	regsvr32.exe
File opened for modification	\??\c:\program files\RevokeMount.vb	regsvr32.exe
File opened for modification	\??\c:\program files\RevokeShow.ppsx	regsvr32.exe
File opened for modification	\??\c:\program files\StopUnprotect.wmf	regsvr32.exe
File opened for modification	\??\c:\program files\CopyResize.mp2v	regsvr32.exe
File opened for modification	\??\c:\program files\PingBlock.wps	regsvr32.exe
File opened for modification	\??\c:\program files\ResumeUnpublish.mhtml	regsvr32.exe
File opened for modification	\??\c:\program files\WaitReset.emf	regsvr32.exe
File created	\??\c:\program files (x86)\microsoft sql server compact edition\vcy2u828-readme.txt	regsvr32.exe
File opened for modification	\??\c:\program files\OutStart.dwg	regsvr32.exe
File opened for modification	\??\c:\program files\ClearRegister.xml	regsvr32.exe
File opened for modification	\??\c:\program files\CompareConnect.xps	regsvr32.exe
File opened for modification	\??\c:\program files\RenameCopy.vsw	regsvr32.exe
File opened for modification	\??\c:\program files\TestNew.pptx	regsvr32.exe
File opened for modification	\??\c:\program files\TraceInvoke.xps	regsvr32.exe
File created	\??\c:\program files (x86)\microsoft sql server compact edition\tmp	regsvr32.exe
File created	\??\c:\program files\vcy2u828-readme.txt	regsvr32.exe
File opened for modification	\??\c:\program files\ResolveUnregister.xlsx	regsvr32.exe
File opened for modification	\??\c:\program files\SplitEnable.css	regsvr32.exe
File created	\??\c:\program files (x86)\microsoft sql server compact edition\v3.5\vcy2u828-readme.txt	regsvr32.exe
File created	\??\c:\program files (x86)\microsoft sql server compact edition\v3.5\desktop\vcy2u828-readme.txt	regsvr32.exe
File created	\??\c:\program files (x86)\tmp	regsvr32.exe
File opened for modification	\??\c:\program files\ResolveApprove.vstx	regsvr32.exe
File opened for modification	\??\c:\program files\UnregisterCopy.rar	regsvr32.exe
File opened for modification	\??\c:\program files\ReceiveInvoke.search-ms	regsvr32.exe
File opened for modification	\??\c:\program files\ConfirmUnpublish.jpeg	regsvr32.exe
File opened for modification	\??\c:\program files\EnterProtect.ods	regsvr32.exe
File opened for modification	\??\c:\program files\RequestCompare.jpg	regsvr32.exe
File opened for modification	\??\c:\program files\RequestProtect.xlsm	regsvr32.exe
File opened for modification	\??\c:\program files\SendDeny.mht	regsvr32.exe
File created	\??\c:\program files (x86)\microsoft sql server compact edition\v3.5\tmp	regsvr32.exe
File created	\??\c:\program files\tmp	regsvr32.exe
File opened for modification	\??\c:\program files\MeasureDebug.odt	regsvr32.exe
File opened for modification	\??\c:\program files\RegisterEdit.pcx	regsvr32.exe
File opened for modification	\??\c:\program files\RepairSave.vb	regsvr32.exe
File created	\??\c:\program files (x86)\vcy2u828-readme.txt	regsvr32.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

regsvr32.exe

pid process

1172 regsvr32.exe
1172 regsvr32.exe
1172 regsvr32.exe
1172 regsvr32.exe
1172 regsvr32.exe

pid	process
1172	regsvr32.exe
1172	regsvr32.exe
1172	regsvr32.exe
1172	regsvr32.exe
1172	regsvr32.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes:

regsvr32.exevssvc.exe

description	pid	process
Token: SeDebugPrivilege	1172	regsvr32.exe
Token: SeTakeOwnershipPrivilege	1172	regsvr32.exe
Token: SeBackupPrivilege	1176	vssvc.exe
Token: SeRestorePrivilege	1176	vssvc.exe
Token: SeAuditPrivilege	1176	vssvc.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

regsvr32.exeregsvr32.exe

description	pid	process	target process
PID 2004 wrote to memory of 1172	2004	regsvr32.exe	regsvr32.exe
PID 2004 wrote to memory of 1172	2004	regsvr32.exe	regsvr32.exe
PID 2004 wrote to memory of 1172	2004	regsvr32.exe	regsvr32.exe
PID 2004 wrote to memory of 1172	2004	regsvr32.exe	regsvr32.exe
PID 2004 wrote to memory of 1172	2004	regsvr32.exe	regsvr32.exe
PID 2004 wrote to memory of 1172	2004	regsvr32.exe	regsvr32.exe
PID 2004 wrote to memory of 1172	2004	regsvr32.exe	regsvr32.exe
PID 1172 wrote to memory of 1932	1172	regsvr32.exe	netsh.exe
PID 1172 wrote to memory of 1932	1172	regsvr32.exe	netsh.exe
PID 1172 wrote to memory of 1932	1172	regsvr32.exe	netsh.exe
PID 1172 wrote to memory of 1932	1172	regsvr32.exe	netsh.exe

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\53936fcc62ed6e3515b3515531993d92be1d3aca9049f30a2ab2e0805cc45b8d.bin.sample.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2004

C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\53936fcc62ed6e3515b3515531993d92be1d3aca9049f30a2ab2e0805cc45b8d.bin.sample.dll
2⤵
- Modifies extensions of user files
- Enumerates connected drives
- Sets desktop wallpaper using registry
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1172

C:\Windows\SysWOW64\netsh.exe
netsh advfirewall firewall set rule group="Network Discovery" new enable=Yes
3⤵
PID:1932

C:\Windows\system32\wbem\unsecapp.exe
C:\Windows\system32\wbem\unsecapp.exe -Embedding
1⤵
PID:744

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1176

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Defacement

1

T1491

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1172-61-0x0000000000000000-mapping.dmp

Download
memory/1172-62-0x00000000765F1000-0x00000000765F3000-memory.dmp

Filesize
8KB

Download
memory/1932-63-0x0000000000000000-mapping.dmp

Download
memory/2004-60-0x000007FEFC411000-0x000007FEFC413000-memory.dmp

Filesize
8KB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads