293317443192a9f2ce574febe990fad9ed399c760a350433020b06440dc92cfd

General

Target

293317443192a9f2ce574febe990fad9ed399c760a350433020b06440dc92cfd.exe
Size

372KB
MD5

69a333f36443f4e490e81a021aa7148b
SHA1

6261856cfc12e38b9b042bf18bba88066e036112
SHA256

293317443192a9f2ce574febe990fad9ed399c760a350433020b06440dc92cfd
SHA512

62e010ae830faa99b263aa2cd9932d3f1ef309d9bdef77248a8d0d6574b814f67f489af9f83db33263dafb4054d5ea08bbe49b482b0522200baba28f1a2704b7

Score

10^/10

persistence ransomware suricata

Malware Config

Extracted

Path

C:\$Recycle.Bin\S-1-5-21-2632097139-1792035885-811742494-1000\Recovery+toilm.txt

Ransom Note

__!@#!@#!__!@#!@#!__!@#!@#!__!@#!@#!__!@#!@#!__!@#!@#!__!@#!@#!__!@#!@#!__!@#!@#!__!@#!@#! NOT YOUR LANGUAGE? USE https://translate.google.com What happened to your files ? All of your files were protected by a strong encryption with RSA-4096. More information about the encryption keys using RSA-4096 can be found here: http://en.wikipedia.org/wiki/RSA_(cryptosystem) How did this happen ? !!! Specially for your PC was generated personal RSA-4096 KEY, both public and private. !!! ALL YOUR FILES were encrypted with the public key, which has been transferred to your computer via the Internet. !!! Decrypting of your files is only possible with the help of the private key and decrypt program , which is on our Secret Server What do I do ? So, there are two ways you can choose: wait for a miracle and get your price doubled, or start obtaining BITCOIN NOW! , and restore your data easy way. If You have really valuable data, you better not waste your time, because there is no other way to get your files, except make a payment. For more specific instructions, please visit your personal home page, there are a few different addresses pointing to your page below: 1. http://prest54538hnksjn4kjfwdbhwere.hotchunman.com/CA9619913056196D 2. http://b4youfred5485jgsa3453f.italazudda.com/CA9619913056196D 3. http://5rport45vcdef345adfkksawe.bematvocal.at/CA9619913056196D If for some reasons the addresses are not available, follow these steps: 1. Download and install tor-browser: http://www.torproject.org/projects/torbrowser.html.en 2. After a successful installation, run the browser and wait for initialization 3. Type in the address bar: fwgrhsao3aoml7ej.onion/CA9619913056196D 4. Follow the instructions on the site. ---------------- IMPORTANT INFORMATION------------------------ *-*-* Your personal pages: http://prest54538hnksjn4kjfwdbhwere.hotchunman.com/CA9619913056196D http://b4youfred5485jgsa3453f.italazudda.com/CA9619913056196D http://5rport45vcdef345adfkksawe.bematvocal.at/CA9619913056196D *-*-* Your personal page Tor-Browser: fwgrhsao3aoml7ej.ONION/CA9619913056196D *-*-* Your personal identification ID: CA9619913056196D

URLs

http://prest54538hnksjn4kjfwdbhwere.hotchunman.com/CA9619913056196D

http://b4youfred5485jgsa3453f.italazudda.com/CA9619913056196D

http://5rport45vcdef345adfkksawe.bematvocal.at/CA9619913056196D

http://fwgrhsao3aoml7ej.onion/CA9619913056196D

http://fwgrhsao3aoml7ej.ONION/CA9619913056196D

Signatures

suricata: ET MALWARE Alphacrypt/TeslaCrypt Ransomware CnC Beacon
suricata: ET MALWARE Alphacrypt/TeslaCrypt Ransomware CnC Beacon
suricata
Deletes shadow copies 2 TTPs
Ransomware often targets backup files to inhibit system recovery.
ransomware

File Deletion
T1107

Inhibit System Recovery
T1490
Executes dropped EXE 2 IoCs

Processes:

vykvvkuvrayn.exevykvvkuvrayn.exe

pid process

1692 vykvvkuvrayn.exe
4376 vykvvkuvrayn.exe

pid	process
1692	vykvvkuvrayn.exe
4376	vykvvkuvrayn.exe

Checks computer location settings 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

293317443192a9f2ce574febe990fad9ed399c760a350433020b06440dc92cfd.exevykvvkuvrayn.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation	293317443192a9f2ce574febe990fad9ed399c760a350433020b06440dc92cfd.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation	vykvvkuvrayn.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

vykvvkuvrayn.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows\CurrentVersion\Run	vykvvkuvrayn.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jwpbrfncmocr = "C:\\Windows\\system32\\cmd.exe /c start \"\" \"C:\\Windows\\vykvvkuvrayn.exe\""	vykvvkuvrayn.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

293317443192a9f2ce574febe990fad9ed399c760a350433020b06440dc92cfd.exevykvvkuvrayn.exe

description	pid	process	target process
PID 4260 set thread context of 3592	4260	293317443192a9f2ce574febe990fad9ed399c760a350433020b06440dc92cfd.exe	293317443192a9f2ce574febe990fad9ed399c760a350433020b06440dc92cfd.exe
PID 1692 set thread context of 4376	1692	vykvvkuvrayn.exe	vykvvkuvrayn.exe

Drops file in Program Files directory 64 IoCs

Processes:

vykvvkuvrayn.exe

description	ioc	process
File opened for modification	C:\Program Files\7-Zip\Lang\fy.txt	vykvvkuvrayn.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\insert\Recovery+toilm.png	vykvvkuvrayn.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\oskclearui\Recovery+toilm.png	vykvvkuvrayn.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\lt-LT\Recovery+toilm.txt	vykvvkuvrayn.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\pt-PT\Recovery+toilm.html	vykvvkuvrayn.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\zh-CN\Recovery+toilm.txt	vykvvkuvrayn.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\MSInfo\fr-FR\Recovery+toilm.html	vykvvkuvrayn.exe
File opened for modification	C:\Program Files\7-Zip\Lang\fr.txt	vykvvkuvrayn.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\el-GR\Recovery+toilm.html	vykvvkuvrayn.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\oskpred\Recovery+toilm.txt	vykvvkuvrayn.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\ru-RU\Recovery+toilm.txt	vykvvkuvrayn.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\Source Engine\Recovery+toilm.html	vykvvkuvrayn.exe
File opened for modification	C:\Program Files\Common Files\Services\Recovery+toilm.txt	vykvvkuvrayn.exe
File opened for modification	C:\Program Files\Common Files\System\Ole DB\it-IT\Recovery+toilm.html	vykvvkuvrayn.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\89.0.4389.114\Locales\ca.pak	vykvvkuvrayn.exe
File opened for modification	C:\Program Files\7-Zip\Lang\br.txt	vykvvkuvrayn.exe
File opened for modification	C:\Program Files\Common Files\DESIGNER\Recovery+toilm.png	vykvvkuvrayn.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\89.0.4389.114\Locales\da.pak	vykvvkuvrayn.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\89.0.4389.114\Locales\ms.pak	vykvvkuvrayn.exe
File opened for modification	C:\Program Files\7-Zip\Lang\af.txt	vykvvkuvrayn.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\cs-CZ\Recovery+toilm.png	vykvvkuvrayn.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\89.0.4389.114\Locales\ml.pak	vykvvkuvrayn.exe
File opened for modification	C:\Program Files\Common Files\System\Ole DB\en-US\Recovery+toilm.png	vykvvkuvrayn.exe
File opened for modification	C:\Program Files\7-Zip\Lang\Recovery+toilm.png	vykvvkuvrayn.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\bg-BG\Recovery+toilm.html	vykvvkuvrayn.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\it-IT\Recovery+toilm.png	vykvvkuvrayn.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\nb-NO\Recovery+toilm.png	vykvvkuvrayn.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\sl-SI\Recovery+toilm.png	vykvvkuvrayn.exe
File opened for modification	C:\Program Files\7-Zip\Lang\is.txt	vykvvkuvrayn.exe
File opened for modification	C:\Program Files\7-Zip\Lang\sk.txt	vykvvkuvrayn.exe
File opened for modification	C:\Program Files\7-Zip\Lang\mn.txt	vykvvkuvrayn.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\sr-Latn-RS\Recovery+toilm.txt	vykvvkuvrayn.exe
File opened for modification	C:\Program Files\Common Files\System\msadc\en-US\Recovery+toilm.html	vykvvkuvrayn.exe
File opened for modification	C:\Program Files\7-Zip\Lang\hr.txt	vykvvkuvrayn.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\lv-LV\Recovery+toilm.png	vykvvkuvrayn.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\hr-HR\Recovery+toilm.png	vykvvkuvrayn.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\VSTO\10.0\1033\Recovery+toilm.html	vykvvkuvrayn.exe
File opened for modification	C:\Program Files\Common Files\System\de-DE\Recovery+toilm.html	vykvvkuvrayn.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\es-MX\Recovery+toilm.png	vykvvkuvrayn.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\et-EE\Recovery+toilm.html	vykvvkuvrayn.exe
File opened for modification	C:\Program Files\7-Zip\Lang\sl.txt	vykvvkuvrayn.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\nl-NL\Recovery+toilm.png	vykvvkuvrayn.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\Recovery+toilm.txt	vykvvkuvrayn.exe
File opened for modification	C:\Program Files\Common Files\System\de-DE\Recovery+toilm.txt	vykvvkuvrayn.exe
File opened for modification	C:\Program Files\7-Zip\Lang\ga.txt	vykvvkuvrayn.exe
File opened for modification	C:\Program Files\7-Zip\Lang\mng2.txt	vykvvkuvrayn.exe
File opened for modification	C:\Program Files\7-Zip\Lang\gu.txt	vykvvkuvrayn.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\hu-HU\Recovery+toilm.png	vykvvkuvrayn.exe
File opened for modification	C:\Program Files\Common Files\System\Ole DB\es-ES\Recovery+toilm.html	vykvvkuvrayn.exe
File opened for modification	C:\Program Files\Common Files\System\msadc\ja-JP\Recovery+toilm.png	vykvvkuvrayn.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\ko-KR\Recovery+toilm.png	vykvvkuvrayn.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\lv-LV\Recovery+toilm.txt	vykvvkuvrayn.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\89.0.4389.114\Locales\sv.pak	vykvvkuvrayn.exe
File opened for modification	C:\Program Files\7-Zip\Lang\yo.txt	vykvvkuvrayn.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\HWRCustomization\Recovery+toilm.html	vykvvkuvrayn.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\fr-FR\Recovery+toilm.html	vykvvkuvrayn.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\lt-LT\Recovery+toilm.html	vykvvkuvrayn.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\sk-SK\Recovery+toilm.png	vykvvkuvrayn.exe
File opened for modification	C:\Program Files\Common Files\System\it-IT\Recovery+toilm.txt	vykvvkuvrayn.exe
File opened for modification	C:\Program Files\7-Zip\Lang\mng.txt	vykvvkuvrayn.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\et-EE\Recovery+toilm.png	vykvvkuvrayn.exe
File opened for modification	C:\Program Files\Common Files\Services\Recovery+toilm.png	vykvvkuvrayn.exe
File opened for modification	C:\Program Files\Common Files\System\ja-JP\Recovery+toilm.html	vykvvkuvrayn.exe
File opened for modification	C:\Program Files\Common Files\System\Ole DB\Recovery+toilm.txt	vykvvkuvrayn.exe

Drops file in Windows directory 2 IoCs

Processes:

293317443192a9f2ce574febe990fad9ed399c760a350433020b06440dc92cfd.exe

description	ioc	process
File created	C:\Windows\vykvvkuvrayn.exe	293317443192a9f2ce574febe990fad9ed399c760a350433020b06440dc92cfd.exe
File opened for modification	C:\Windows\vykvvkuvrayn.exe	293317443192a9f2ce574febe990fad9ed399c760a350433020b06440dc92cfd.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

vykvvkuvrayn.exe

pid	process
4376	vykvvkuvrayn.exe
4376	vykvvkuvrayn.exe
4376	vykvvkuvrayn.exe
4376	vykvvkuvrayn.exe
4376	vykvvkuvrayn.exe
4376	vykvvkuvrayn.exe
4376	vykvvkuvrayn.exe
4376	vykvvkuvrayn.exe
4376	vykvvkuvrayn.exe
4376	vykvvkuvrayn.exe
4376	vykvvkuvrayn.exe
4376	vykvvkuvrayn.exe
4376	vykvvkuvrayn.exe
4376	vykvvkuvrayn.exe
4376	vykvvkuvrayn.exe
4376	vykvvkuvrayn.exe
4376	vykvvkuvrayn.exe
4376	vykvvkuvrayn.exe
4376	vykvvkuvrayn.exe
4376	vykvvkuvrayn.exe
4376	vykvvkuvrayn.exe
4376	vykvvkuvrayn.exe
4376	vykvvkuvrayn.exe
4376	vykvvkuvrayn.exe
4376	vykvvkuvrayn.exe
4376	vykvvkuvrayn.exe
4376	vykvvkuvrayn.exe
4376	vykvvkuvrayn.exe
4376	vykvvkuvrayn.exe
4376	vykvvkuvrayn.exe
4376	vykvvkuvrayn.exe
4376	vykvvkuvrayn.exe
4376	vykvvkuvrayn.exe
4376	vykvvkuvrayn.exe
4376	vykvvkuvrayn.exe
4376	vykvvkuvrayn.exe
4376	vykvvkuvrayn.exe
4376	vykvvkuvrayn.exe
4376	vykvvkuvrayn.exe
4376	vykvvkuvrayn.exe
4376	vykvvkuvrayn.exe
4376	vykvvkuvrayn.exe
4376	vykvvkuvrayn.exe
4376	vykvvkuvrayn.exe
4376	vykvvkuvrayn.exe
4376	vykvvkuvrayn.exe
4376	vykvvkuvrayn.exe
4376	vykvvkuvrayn.exe
4376	vykvvkuvrayn.exe
4376	vykvvkuvrayn.exe
4376	vykvvkuvrayn.exe
4376	vykvvkuvrayn.exe
4376	vykvvkuvrayn.exe
4376	vykvvkuvrayn.exe
4376	vykvvkuvrayn.exe
4376	vykvvkuvrayn.exe
4376	vykvvkuvrayn.exe
4376	vykvvkuvrayn.exe
4376	vykvvkuvrayn.exe
4376	vykvvkuvrayn.exe
4376	vykvvkuvrayn.exe
4376	vykvvkuvrayn.exe
4376	vykvvkuvrayn.exe
4376	vykvvkuvrayn.exe

Suspicious use of AdjustPrivilegeToken 47 IoCs

Processes:

293317443192a9f2ce574febe990fad9ed399c760a350433020b06440dc92cfd.exevykvvkuvrayn.exeWMIC.exevssvc.exe

description	pid	process
Token: SeDebugPrivilege	3592	293317443192a9f2ce574febe990fad9ed399c760a350433020b06440dc92cfd.exe
Token: SeDebugPrivilege	4376	vykvvkuvrayn.exe
Token: SeIncreaseQuotaPrivilege	3836	WMIC.exe
Token: SeSecurityPrivilege	3836	WMIC.exe
Token: SeTakeOwnershipPrivilege	3836	WMIC.exe
Token: SeLoadDriverPrivilege	3836	WMIC.exe
Token: SeSystemProfilePrivilege	3836	WMIC.exe
Token: SeSystemtimePrivilege	3836	WMIC.exe
Token: SeProfSingleProcessPrivilege	3836	WMIC.exe
Token: SeIncBasePriorityPrivilege	3836	WMIC.exe
Token: SeCreatePagefilePrivilege	3836	WMIC.exe
Token: SeBackupPrivilege	3836	WMIC.exe
Token: SeRestorePrivilege	3836	WMIC.exe
Token: SeShutdownPrivilege	3836	WMIC.exe
Token: SeDebugPrivilege	3836	WMIC.exe
Token: SeSystemEnvironmentPrivilege	3836	WMIC.exe
Token: SeRemoteShutdownPrivilege	3836	WMIC.exe
Token: SeUndockPrivilege	3836	WMIC.exe
Token: SeManageVolumePrivilege	3836	WMIC.exe
Token: 33	3836	WMIC.exe
Token: 34	3836	WMIC.exe
Token: 35	3836	WMIC.exe
Token: 36	3836	WMIC.exe
Token: SeIncreaseQuotaPrivilege	3836	WMIC.exe
Token: SeSecurityPrivilege	3836	WMIC.exe
Token: SeTakeOwnershipPrivilege	3836	WMIC.exe
Token: SeLoadDriverPrivilege	3836	WMIC.exe
Token: SeSystemProfilePrivilege	3836	WMIC.exe
Token: SeSystemtimePrivilege	3836	WMIC.exe
Token: SeProfSingleProcessPrivilege	3836	WMIC.exe
Token: SeIncBasePriorityPrivilege	3836	WMIC.exe
Token: SeCreatePagefilePrivilege	3836	WMIC.exe
Token: SeBackupPrivilege	3836	WMIC.exe
Token: SeRestorePrivilege	3836	WMIC.exe
Token: SeShutdownPrivilege	3836	WMIC.exe
Token: SeDebugPrivilege	3836	WMIC.exe
Token: SeSystemEnvironmentPrivilege	3836	WMIC.exe
Token: SeRemoteShutdownPrivilege	3836	WMIC.exe
Token: SeUndockPrivilege	3836	WMIC.exe
Token: SeManageVolumePrivilege	3836	WMIC.exe
Token: 33	3836	WMIC.exe
Token: 34	3836	WMIC.exe
Token: 35	3836	WMIC.exe
Token: 36	3836	WMIC.exe
Token: SeBackupPrivilege	4976	vssvc.exe
Token: SeRestorePrivilege	4976	vssvc.exe
Token: SeAuditPrivilege	4976	vssvc.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

293317443192a9f2ce574febe990fad9ed399c760a350433020b06440dc92cfd.exevykvvkuvrayn.exe

pid process

4260 293317443192a9f2ce574febe990fad9ed399c760a350433020b06440dc92cfd.exe
1692 vykvvkuvrayn.exe

pid	process
4260	293317443192a9f2ce574febe990fad9ed399c760a350433020b06440dc92cfd.exe
1692	vykvvkuvrayn.exe

Suspicious use of WriteProcessMemory 28 IoCs

Processes:

293317443192a9f2ce574febe990fad9ed399c760a350433020b06440dc92cfd.exe293317443192a9f2ce574febe990fad9ed399c760a350433020b06440dc92cfd.exevykvvkuvrayn.exevykvvkuvrayn.exe

description	pid	process	target process
PID 4260 wrote to memory of 3592	4260	293317443192a9f2ce574febe990fad9ed399c760a350433020b06440dc92cfd.exe	293317443192a9f2ce574febe990fad9ed399c760a350433020b06440dc92cfd.exe
PID 4260 wrote to memory of 3592	4260	293317443192a9f2ce574febe990fad9ed399c760a350433020b06440dc92cfd.exe	293317443192a9f2ce574febe990fad9ed399c760a350433020b06440dc92cfd.exe
PID 4260 wrote to memory of 3592	4260	293317443192a9f2ce574febe990fad9ed399c760a350433020b06440dc92cfd.exe	293317443192a9f2ce574febe990fad9ed399c760a350433020b06440dc92cfd.exe
PID 4260 wrote to memory of 3592	4260	293317443192a9f2ce574febe990fad9ed399c760a350433020b06440dc92cfd.exe	293317443192a9f2ce574febe990fad9ed399c760a350433020b06440dc92cfd.exe
PID 4260 wrote to memory of 3592	4260	293317443192a9f2ce574febe990fad9ed399c760a350433020b06440dc92cfd.exe	293317443192a9f2ce574febe990fad9ed399c760a350433020b06440dc92cfd.exe
PID 4260 wrote to memory of 3592	4260	293317443192a9f2ce574febe990fad9ed399c760a350433020b06440dc92cfd.exe	293317443192a9f2ce574febe990fad9ed399c760a350433020b06440dc92cfd.exe
PID 4260 wrote to memory of 3592	4260	293317443192a9f2ce574febe990fad9ed399c760a350433020b06440dc92cfd.exe	293317443192a9f2ce574febe990fad9ed399c760a350433020b06440dc92cfd.exe
PID 4260 wrote to memory of 3592	4260	293317443192a9f2ce574febe990fad9ed399c760a350433020b06440dc92cfd.exe	293317443192a9f2ce574febe990fad9ed399c760a350433020b06440dc92cfd.exe
PID 4260 wrote to memory of 3592	4260	293317443192a9f2ce574febe990fad9ed399c760a350433020b06440dc92cfd.exe	293317443192a9f2ce574febe990fad9ed399c760a350433020b06440dc92cfd.exe
PID 4260 wrote to memory of 3592	4260	293317443192a9f2ce574febe990fad9ed399c760a350433020b06440dc92cfd.exe	293317443192a9f2ce574febe990fad9ed399c760a350433020b06440dc92cfd.exe
PID 3592 wrote to memory of 1692	3592	293317443192a9f2ce574febe990fad9ed399c760a350433020b06440dc92cfd.exe	vykvvkuvrayn.exe
PID 3592 wrote to memory of 1692	3592	293317443192a9f2ce574febe990fad9ed399c760a350433020b06440dc92cfd.exe	vykvvkuvrayn.exe
PID 3592 wrote to memory of 1692	3592	293317443192a9f2ce574febe990fad9ed399c760a350433020b06440dc92cfd.exe	vykvvkuvrayn.exe
PID 3592 wrote to memory of 4328	3592	293317443192a9f2ce574febe990fad9ed399c760a350433020b06440dc92cfd.exe	cmd.exe
PID 3592 wrote to memory of 4328	3592	293317443192a9f2ce574febe990fad9ed399c760a350433020b06440dc92cfd.exe	cmd.exe
PID 3592 wrote to memory of 4328	3592	293317443192a9f2ce574febe990fad9ed399c760a350433020b06440dc92cfd.exe	cmd.exe
PID 1692 wrote to memory of 4376	1692	vykvvkuvrayn.exe	vykvvkuvrayn.exe
PID 1692 wrote to memory of 4376	1692	vykvvkuvrayn.exe	vykvvkuvrayn.exe
PID 1692 wrote to memory of 4376	1692	vykvvkuvrayn.exe	vykvvkuvrayn.exe
PID 1692 wrote to memory of 4376	1692	vykvvkuvrayn.exe	vykvvkuvrayn.exe
PID 1692 wrote to memory of 4376	1692	vykvvkuvrayn.exe	vykvvkuvrayn.exe
PID 1692 wrote to memory of 4376	1692	vykvvkuvrayn.exe	vykvvkuvrayn.exe
PID 1692 wrote to memory of 4376	1692	vykvvkuvrayn.exe	vykvvkuvrayn.exe
PID 1692 wrote to memory of 4376	1692	vykvvkuvrayn.exe	vykvvkuvrayn.exe
PID 1692 wrote to memory of 4376	1692	vykvvkuvrayn.exe	vykvvkuvrayn.exe
PID 1692 wrote to memory of 4376	1692	vykvvkuvrayn.exe	vykvvkuvrayn.exe
PID 4376 wrote to memory of 3836	4376	vykvvkuvrayn.exe	WMIC.exe
PID 4376 wrote to memory of 3836	4376	vykvvkuvrayn.exe	WMIC.exe

System policy modification 1 TTPs 2 IoCs

evasion

Modify Registry

T1112

Processes:

vykvvkuvrayn.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System	vykvvkuvrayn.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLinkedConnections = "1"	vykvvkuvrayn.exe

C:\Users\Admin\AppData\Local\Temp\293317443192a9f2ce574febe990fad9ed399c760a350433020b06440dc92cfd.exe
"C:\Users\Admin\AppData\Local\Temp\293317443192a9f2ce574febe990fad9ed399c760a350433020b06440dc92cfd.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4260

C:\Users\Admin\AppData\Local\Temp\293317443192a9f2ce574febe990fad9ed399c760a350433020b06440dc92cfd.exe
"C:\Users\Admin\AppData\Local\Temp\293317443192a9f2ce574febe990fad9ed399c760a350433020b06440dc92cfd.exe"
2⤵
- Checks computer location settings
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3592

C:\Windows\vykvvkuvrayn.exe
C:\Windows\vykvvkuvrayn.exe
3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1692

C:\Windows\vykvvkuvrayn.exe
C:\Windows\vykvvkuvrayn.exe
4⤵
- Executes dropped EXE
- Checks computer location settings
- Adds Run key to start application
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
PID:4376

C:\Windows\System32\wbem\WMIC.exe
"C:\Windows\System32\wbem\WMIC.exe" shadowcopy delete /nointeractive
5⤵
- Suspicious use of AdjustPrivilegeToken
PID:3836

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c DEL C:\Users\Admin\AppData\Local\Temp\293317~1.EXE
3⤵
PID:4328

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4976

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

File Deletion

1

T1107

Modify Registry

2

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Inhibit System Recovery

1

T1490

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Downloads

C:\Windows\vykvvkuvrayn.exe
Filesize
372KB

MD5
69a333f36443f4e490e81a021aa7148b

SHA1
6261856cfc12e38b9b042bf18bba88066e036112

SHA256
293317443192a9f2ce574febe990fad9ed399c760a350433020b06440dc92cfd

SHA512
62e010ae830faa99b263aa2cd9932d3f1ef309d9bdef77248a8d0d6574b814f67f489af9f83db33263dafb4054d5ea08bbe49b482b0522200baba28f1a2704b7

Download Submit
C:\Windows\vykvvkuvrayn.exe
Filesize
372KB

MD5
69a333f36443f4e490e81a021aa7148b

SHA1
6261856cfc12e38b9b042bf18bba88066e036112

SHA256
293317443192a9f2ce574febe990fad9ed399c760a350433020b06440dc92cfd

SHA512
62e010ae830faa99b263aa2cd9932d3f1ef309d9bdef77248a8d0d6574b814f67f489af9f83db33263dafb4054d5ea08bbe49b482b0522200baba28f1a2704b7

Download Submit
C:\Windows\vykvvkuvrayn.exe
Filesize
372KB

MD5
69a333f36443f4e490e81a021aa7148b

SHA1
6261856cfc12e38b9b042bf18bba88066e036112

SHA256
293317443192a9f2ce574febe990fad9ed399c760a350433020b06440dc92cfd

SHA512
62e010ae830faa99b263aa2cd9932d3f1ef309d9bdef77248a8d0d6574b814f67f489af9f83db33263dafb4054d5ea08bbe49b482b0522200baba28f1a2704b7

Download Submit
memory/1692-138-0x0000000000000000-mapping.dmp

Download
memory/3592-142-0x0000000000400000-0x0000000000485000-memory.dmp

Filesize
532KB

Download
memory/3592-134-0x0000000000400000-0x0000000000485000-memory.dmp

Filesize
532KB

Download
memory/3592-136-0x0000000000400000-0x0000000000485000-memory.dmp

Filesize
532KB

Download
memory/3592-137-0x0000000000400000-0x0000000000485000-memory.dmp

Filesize
532KB

Download
memory/3592-132-0x0000000000000000-mapping.dmp

Download
memory/3592-133-0x0000000000400000-0x0000000000485000-memory.dmp

Filesize
532KB

Download
memory/3836-149-0x0000000000000000-mapping.dmp

Download
memory/4260-130-0x0000000000BE0000-0x0000000000BE3000-memory.dmp

Filesize
12KB

Download
memory/4260-131-0x0000000000BE0000-0x0000000000BE3000-memory.dmp

Filesize
12KB

Download
memory/4260-135-0x0000000000BE0000-0x0000000000BE3000-memory.dmp

Filesize
12KB

Download
memory/4328-141-0x0000000000000000-mapping.dmp

Download
memory/4376-143-0x0000000000000000-mapping.dmp

Download
memory/4376-146-0x0000000000400000-0x0000000000485000-memory.dmp

Filesize
532KB

Download
memory/4376-147-0x0000000000400000-0x0000000000485000-memory.dmp

Filesize
532KB

Download
memory/4376-148-0x0000000000400000-0x0000000000485000-memory.dmp

Filesize
532KB

Download
memory/4376-150-0x0000000000400000-0x0000000000485000-memory.dmp

Filesize
532KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads