teslacrypt | 1093eb4a29db197dceb1a8c61dce72b2de5479f3cab1583ff955c06c63ef71e0

Analysis

max time kernel
153s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
09-03-2024 20:53

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

1093eb4a29db197dceb1a8c61dce72b2de5479f3cab1583ff955c06c63ef71e0.exe
Size

384KB
MD5

adfedffccba08228a1f1addaeb0ad537
SHA1

8439a711ec759254f207eaac8162049062de2c0d
SHA256

1093eb4a29db197dceb1a8c61dce72b2de5479f3cab1583ff955c06c63ef71e0
SHA512

3d58224ba47c24ee7af5a3173b77a83082c978d44467d740e4b0b77e0ae727a34843d8a6fdf54c5ba7536d9b5c46c69f39175a7eacaccde905a4b00c47bbe351
SSDEEP

6144:zBeJdbHCHcRgJUdarnrIM+PbeEnvutw2cfMuXrvEnODd0cpMLnJV6Xlxq+:zBCdG4g2rM+PFgCM+rcOd0l/elxz

Score

10^/10

teslacrypt persistence ransomware

Malware Config

Extracted

Path

C:\PerfLogs\_RECOVERY_+cauen.txt

Family

teslacrypt

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 AES More information about the encryption keys using AES can be found here: http://en.wikipedia.org/wiki/AES How did this happen ? !!! Specially for your PC was generated personal AES 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://gwe32fdr74bhfsyujb34gfszfv.zatcurr.com/425764CED1FDA56 2. http://tes543berda73i48fsdfsd.keratadze.at/425764CED1FDA56 3. http://tt54rfdjhb34rfbnknaerg.milerteddy.com/425764CED1FDA56 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 3. Type in the address bar: xlowfznrg4wf7dli.onion/425764CED1FDA56 4. Follow the instructions on the site. ---------------- IMPORTANT INFORMATION------------------------ *-*-* Your personal pages: http://gwe32fdr74bhfsyujb34gfszfv.zatcurr.com/425764CED1FDA56 http://tes543berda73i48fsdfsd.keratadze.at/425764CED1FDA56 http://tt54rfdjhb34rfbnknaerg.milerteddy.com/425764CED1FDA56 *-*-* Your personal page Tor-Browser: xlowfznrg4wf7dli.ONION/425764CED1FDA56

URLs

http://gwe32fdr74bhfsyujb34gfszfv.zatcurr.com/425764CED1FDA56

http://tes543berda73i48fsdfsd.keratadze.at/425764CED1FDA56

http://tt54rfdjhb34rfbnknaerg.milerteddy.com/425764CED1FDA56

http://xlowfznrg4wf7dli.ONION/425764CED1FDA56

Signatures

TeslaCrypt, AlphaCrypt
Ransomware based on CryptoLocker. Shut down by the developers in 2016.
ransomware teslacrypt
Deletes shadow copies 2 TTPs
Ransomware often targets backup files to inhibit system recovery.
ransomware

File Deletion
T1070.004

Inhibit System Recovery
T1490
Renames multiple (358) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
ransomware

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation	1093eb4a29db197dceb1a8c61dce72b2de5479f3cab1583ff955c06c63ef71e0.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation	ohrvlgggxryv.exe

Executes dropped EXE 2 IoCs

pid	Process
2456	ohrvlgggxryv.exe
2532	ohrvlgggxryv.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gwjqruathwuk = "C:\\Windows\\system32\\cmd.exe /c start \"\" \"C:\\Windows\\ohrvlgggxryv.exe\""	ohrvlgggxryv.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1736 set thread context of 5032	1736	1093eb4a29db197dceb1a8c61dce72b2de5479f3cab1583ff955c06c63ef71e0.exe	109
PID 2456 set thread context of 2532	2456	ohrvlgggxryv.exe	115

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\7-Zip\Lang\ru.txt	ohrvlgggxryv.exe
File opened for modification	C:\Program Files\Common Files\System\ado\it-IT\_RECOVERY_+cauen.html	ohrvlgggxryv.exe
File opened for modification	C:\Program Files\Common Files\System\msadc\it-IT\_RECOVERY_+cauen.txt	ohrvlgggxryv.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\default_apps\_RECOVERY_+cauen.txt	ohrvlgggxryv.exe
File opened for modification	C:\Program Files\Google\_RECOVERY_+cauen.txt	ohrvlgggxryv.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\FPA_FA000000006\_RECOVERY_+cauen.txt	ohrvlgggxryv.exe
File opened for modification	C:\Program Files\Common Files\DESIGNER\_RECOVERY_+cauen.png	ohrvlgggxryv.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\ru-RU\_RECOVERY_+cauen.txt	ohrvlgggxryv.exe
File opened for modification	C:\Program Files\Common Files\System\msadc\it-IT\_RECOVERY_+cauen.html	ohrvlgggxryv.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\LogoImages\FirstRunLogo.scale-100.png	ohrvlgggxryv.exe
File opened for modification	C:\Program Files\Java\jre-1.8\THIRDPARTYLICENSEREADME-JAVAFX.txt	ohrvlgggxryv.exe
File opened for modification	C:\Program Files\dotnet\host\_RECOVERY_+cauen.png	ohrvlgggxryv.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\VisualElements\SmallLogo.png	ohrvlgggxryv.exe
File opened for modification	C:\Program Files\Internet Explorer\ja-JP\_RECOVERY_+cauen.html	ohrvlgggxryv.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\_RECOVERY_+cauen.html	ohrvlgggxryv.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\1036\_RECOVERY_+cauen.png	ohrvlgggxryv.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\LogoImages\ExcelLogo.contrast-white_scale-100.png	ohrvlgggxryv.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSIPC\es\_RECOVERY_+cauen.txt	ohrvlgggxryv.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\ar-SA\_RECOVERY_+cauen.txt	ohrvlgggxryv.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\hu-HU\_RECOVERY_+cauen.html	ohrvlgggxryv.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\sk-SK\_RECOVERY_+cauen.html	ohrvlgggxryv.exe
File opened for modification	C:\Program Files\Common Files\System\msadc\_RECOVERY_+cauen.html	ohrvlgggxryv.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\include\win32\_RECOVERY_+cauen.html	ohrvlgggxryv.exe
File opened for modification	C:\Program Files\Java\jre-1.8\lib\fonts\_RECOVERY_+cauen.png	ohrvlgggxryv.exe
File opened for modification	C:\Program Files\7-Zip\Lang\mr.txt	ohrvlgggxryv.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\LogoImages\WinWordLogo.contrast-black_scale-140.png	ohrvlgggxryv.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\_RECOVERY_+cauen.html	ohrvlgggxryv.exe
File opened for modification	C:\Program Files\Common Files\_RECOVERY_+cauen.png	ohrvlgggxryv.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\include\_RECOVERY_+cauen.txt	ohrvlgggxryv.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\de-DE\_RECOVERY_+cauen.txt	ohrvlgggxryv.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\MSInfo\uk-UA\_RECOVERY_+cauen.png	ohrvlgggxryv.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\OFFICE16\_RECOVERY_+cauen.html	ohrvlgggxryv.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Locales\am.pak	ohrvlgggxryv.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\LogoImages\ExcelLogo.contrast-black_scale-80.png	ohrvlgggxryv.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\sl-SI\_RECOVERY_+cauen.png	ohrvlgggxryv.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\1036\_RECOVERY_+cauen.html	ohrvlgggxryv.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\LogoImages\OneNoteLogoSmall.contrast-black_scale-80.png	ohrvlgggxryv.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\ja-JP\_RECOVERY_+cauen.html	ohrvlgggxryv.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\AugLoop\bundle.js	ohrvlgggxryv.exe
File opened for modification	C:\Program Files\7-Zip\_RECOVERY_+cauen.txt	ohrvlgggxryv.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ClickToRun\_RECOVERY_+cauen.html	ohrvlgggxryv.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\lv-LV\_RECOVERY_+cauen.png	ohrvlgggxryv.exe
File opened for modification	C:\Program Files\Internet Explorer\it-IT\_RECOVERY_+cauen.html	ohrvlgggxryv.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\server\Xusage.txt	ohrvlgggxryv.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\lib\applet\_RECOVERY_+cauen.html	ohrvlgggxryv.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\LogoImages\OneNoteLogo.contrast-white_scale-80.png	ohrvlgggxryv.exe
File opened for modification	C:\Program Files\7-Zip\Lang\sw.txt	ohrvlgggxryv.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\pt-BR\_RECOVERY_+cauen.txt	ohrvlgggxryv.exe
File opened for modification	C:\Program Files\Common Files\System\Ole DB\ja-JP\_RECOVERY_+cauen.html	ohrvlgggxryv.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\MSInfo\_RECOVERY_+cauen.png	ohrvlgggxryv.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\VSTO\10.0\_RECOVERY_+cauen.html	ohrvlgggxryv.exe
File opened for modification	C:\Program Files\Internet Explorer\es-ES\_RECOVERY_+cauen.png	ohrvlgggxryv.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\LivePersonaCard\images\default\linkedin_ghost_profile_large.png	ohrvlgggxryv.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Resources\1033\_RECOVERY_+cauen.png	ohrvlgggxryv.exe
File opened for modification	C:\Program Files\7-Zip\Lang\ga.txt	ohrvlgggxryv.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\keypad\_RECOVERY_+cauen.png	ohrvlgggxryv.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\hu-HU\_RECOVERY_+cauen.txt	ohrvlgggxryv.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\OFFICE16\Office Setup Controller\_RECOVERY_+cauen.txt	ohrvlgggxryv.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\dtplugin\_RECOVERY_+cauen.txt	ohrvlgggxryv.exe
File opened for modification	C:\Program Files\Java\jre-1.8\lib\management\_RECOVERY_+cauen.txt	ohrvlgggxryv.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\LogoImages\FirstRunLogo.contrast-white_scale-140.png	ohrvlgggxryv.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\it-IT\_RECOVERY_+cauen.png	ohrvlgggxryv.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\lib\applet\_RECOVERY_+cauen.png	ohrvlgggxryv.exe
File opened for modification	C:\Program Files\7-Zip\Lang\hy.txt	ohrvlgggxryv.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\ohrvlgggxryv.exe	1093eb4a29db197dceb1a8c61dce72b2de5479f3cab1583ff955c06c63ef71e0.exe
File opened for modification	C:\Windows\ohrvlgggxryv.exe	1093eb4a29db197dceb1a8c61dce72b2de5479f3cab1583ff955c06c63ef71e0.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2532	ohrvlgggxryv.exe
2532	ohrvlgggxryv.exe
2532	ohrvlgggxryv.exe
2532	ohrvlgggxryv.exe
2532	ohrvlgggxryv.exe
2532	ohrvlgggxryv.exe
2532	ohrvlgggxryv.exe
2532	ohrvlgggxryv.exe
2532	ohrvlgggxryv.exe
2532	ohrvlgggxryv.exe
2532	ohrvlgggxryv.exe
2532	ohrvlgggxryv.exe
2532	ohrvlgggxryv.exe
2532	ohrvlgggxryv.exe
2532	ohrvlgggxryv.exe
2532	ohrvlgggxryv.exe
2532	ohrvlgggxryv.exe
2532	ohrvlgggxryv.exe
2532	ohrvlgggxryv.exe
2532	ohrvlgggxryv.exe
2532	ohrvlgggxryv.exe
2532	ohrvlgggxryv.exe
2532	ohrvlgggxryv.exe
2532	ohrvlgggxryv.exe
2532	ohrvlgggxryv.exe
2532	ohrvlgggxryv.exe
2532	ohrvlgggxryv.exe
2532	ohrvlgggxryv.exe
2532	ohrvlgggxryv.exe
2532	ohrvlgggxryv.exe
2532	ohrvlgggxryv.exe
2532	ohrvlgggxryv.exe
2532	ohrvlgggxryv.exe
2532	ohrvlgggxryv.exe
2532	ohrvlgggxryv.exe
2532	ohrvlgggxryv.exe
2532	ohrvlgggxryv.exe
2532	ohrvlgggxryv.exe
2532	ohrvlgggxryv.exe
2532	ohrvlgggxryv.exe
2532	ohrvlgggxryv.exe
2532	ohrvlgggxryv.exe
2532	ohrvlgggxryv.exe
2532	ohrvlgggxryv.exe
2532	ohrvlgggxryv.exe
2532	ohrvlgggxryv.exe
2532	ohrvlgggxryv.exe
2532	ohrvlgggxryv.exe
2532	ohrvlgggxryv.exe
2532	ohrvlgggxryv.exe
2532	ohrvlgggxryv.exe
2532	ohrvlgggxryv.exe
2532	ohrvlgggxryv.exe
2532	ohrvlgggxryv.exe
2532	ohrvlgggxryv.exe
2532	ohrvlgggxryv.exe
2532	ohrvlgggxryv.exe
2532	ohrvlgggxryv.exe
2532	ohrvlgggxryv.exe
2532	ohrvlgggxryv.exe
2532	ohrvlgggxryv.exe
2532	ohrvlgggxryv.exe
2532	ohrvlgggxryv.exe
2532	ohrvlgggxryv.exe

Suspicious use of AdjustPrivilegeToken 47 IoCs

description	pid	Process
Token: SeDebugPrivilege	5032	1093eb4a29db197dceb1a8c61dce72b2de5479f3cab1583ff955c06c63ef71e0.exe
Token: SeDebugPrivilege	2532	ohrvlgggxryv.exe
Token: SeIncreaseQuotaPrivilege	2880	WMIC.exe
Token: SeSecurityPrivilege	2880	WMIC.exe
Token: SeTakeOwnershipPrivilege	2880	WMIC.exe
Token: SeLoadDriverPrivilege	2880	WMIC.exe
Token: SeSystemProfilePrivilege	2880	WMIC.exe
Token: SeSystemtimePrivilege	2880	WMIC.exe
Token: SeProfSingleProcessPrivilege	2880	WMIC.exe
Token: SeIncBasePriorityPrivilege	2880	WMIC.exe
Token: SeCreatePagefilePrivilege	2880	WMIC.exe
Token: SeBackupPrivilege	2880	WMIC.exe
Token: SeRestorePrivilege	2880	WMIC.exe
Token: SeShutdownPrivilege	2880	WMIC.exe
Token: SeDebugPrivilege	2880	WMIC.exe
Token: SeSystemEnvironmentPrivilege	2880	WMIC.exe
Token: SeRemoteShutdownPrivilege	2880	WMIC.exe
Token: SeUndockPrivilege	2880	WMIC.exe
Token: SeManageVolumePrivilege	2880	WMIC.exe
Token: 33	2880	WMIC.exe
Token: 34	2880	WMIC.exe
Token: 35	2880	WMIC.exe
Token: 36	2880	WMIC.exe
Token: SeIncreaseQuotaPrivilege	2880	WMIC.exe
Token: SeSecurityPrivilege	2880	WMIC.exe
Token: SeTakeOwnershipPrivilege	2880	WMIC.exe
Token: SeLoadDriverPrivilege	2880	WMIC.exe
Token: SeSystemProfilePrivilege	2880	WMIC.exe
Token: SeSystemtimePrivilege	2880	WMIC.exe
Token: SeProfSingleProcessPrivilege	2880	WMIC.exe
Token: SeIncBasePriorityPrivilege	2880	WMIC.exe
Token: SeCreatePagefilePrivilege	2880	WMIC.exe
Token: SeBackupPrivilege	2880	WMIC.exe
Token: SeRestorePrivilege	2880	WMIC.exe
Token: SeShutdownPrivilege	2880	WMIC.exe
Token: SeDebugPrivilege	2880	WMIC.exe
Token: SeSystemEnvironmentPrivilege	2880	WMIC.exe
Token: SeRemoteShutdownPrivilege	2880	WMIC.exe
Token: SeUndockPrivilege	2880	WMIC.exe
Token: SeManageVolumePrivilege	2880	WMIC.exe
Token: 33	2880	WMIC.exe
Token: 34	2880	WMIC.exe
Token: 35	2880	WMIC.exe
Token: 36	2880	WMIC.exe
Token: SeBackupPrivilege	688	vssvc.exe
Token: SeRestorePrivilege	688	vssvc.exe
Token: SeAuditPrivilege	688	vssvc.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 1736 wrote to memory of 5032	1736	1093eb4a29db197dceb1a8c61dce72b2de5479f3cab1583ff955c06c63ef71e0.exe	109
PID 1736 wrote to memory of 5032	1736	1093eb4a29db197dceb1a8c61dce72b2de5479f3cab1583ff955c06c63ef71e0.exe	109
PID 1736 wrote to memory of 5032	1736	1093eb4a29db197dceb1a8c61dce72b2de5479f3cab1583ff955c06c63ef71e0.exe	109
PID 1736 wrote to memory of 5032	1736	1093eb4a29db197dceb1a8c61dce72b2de5479f3cab1583ff955c06c63ef71e0.exe	109
PID 1736 wrote to memory of 5032	1736	1093eb4a29db197dceb1a8c61dce72b2de5479f3cab1583ff955c06c63ef71e0.exe	109
PID 1736 wrote to memory of 5032	1736	1093eb4a29db197dceb1a8c61dce72b2de5479f3cab1583ff955c06c63ef71e0.exe	109
PID 1736 wrote to memory of 5032	1736	1093eb4a29db197dceb1a8c61dce72b2de5479f3cab1583ff955c06c63ef71e0.exe	109
PID 1736 wrote to memory of 5032	1736	1093eb4a29db197dceb1a8c61dce72b2de5479f3cab1583ff955c06c63ef71e0.exe	109
PID 1736 wrote to memory of 5032	1736	1093eb4a29db197dceb1a8c61dce72b2de5479f3cab1583ff955c06c63ef71e0.exe	109
PID 5032 wrote to memory of 2456	5032	1093eb4a29db197dceb1a8c61dce72b2de5479f3cab1583ff955c06c63ef71e0.exe	110
PID 5032 wrote to memory of 2456	5032	1093eb4a29db197dceb1a8c61dce72b2de5479f3cab1583ff955c06c63ef71e0.exe	110
PID 5032 wrote to memory of 2456	5032	1093eb4a29db197dceb1a8c61dce72b2de5479f3cab1583ff955c06c63ef71e0.exe	110
PID 5032 wrote to memory of 556	5032	1093eb4a29db197dceb1a8c61dce72b2de5479f3cab1583ff955c06c63ef71e0.exe	111
PID 5032 wrote to memory of 556	5032	1093eb4a29db197dceb1a8c61dce72b2de5479f3cab1583ff955c06c63ef71e0.exe	111
PID 5032 wrote to memory of 556	5032	1093eb4a29db197dceb1a8c61dce72b2de5479f3cab1583ff955c06c63ef71e0.exe	111
PID 2456 wrote to memory of 2532	2456	ohrvlgggxryv.exe	115
PID 2456 wrote to memory of 2532	2456	ohrvlgggxryv.exe	115
PID 2456 wrote to memory of 2532	2456	ohrvlgggxryv.exe	115
PID 2456 wrote to memory of 2532	2456	ohrvlgggxryv.exe	115
PID 2456 wrote to memory of 2532	2456	ohrvlgggxryv.exe	115
PID 2456 wrote to memory of 2532	2456	ohrvlgggxryv.exe	115
PID 2456 wrote to memory of 2532	2456	ohrvlgggxryv.exe	115
PID 2456 wrote to memory of 2532	2456	ohrvlgggxryv.exe	115
PID 2456 wrote to memory of 2532	2456	ohrvlgggxryv.exe	115
PID 2532 wrote to memory of 2880	2532	ohrvlgggxryv.exe	116
PID 2532 wrote to memory of 2880	2532	ohrvlgggxryv.exe	116

System policy modification 1 TTPs 2 IoCs

evasion

Modify Registry

T1112

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

Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware

C:\Users\Admin\AppData\Local\Temp\1093eb4a29db197dceb1a8c61dce72b2de5479f3cab1583ff955c06c63ef71e0.exe
"C:\Users\Admin\AppData\Local\Temp\1093eb4a29db197dceb1a8c61dce72b2de5479f3cab1583ff955c06c63ef71e0.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1736
- C:\Users\Admin\AppData\Local\Temp\1093eb4a29db197dceb1a8c61dce72b2de5479f3cab1583ff955c06c63ef71e0.exe
  "C:\Users\Admin\AppData\Local\Temp\1093eb4a29db197dceb1a8c61dce72b2de5479f3cab1583ff955c06c63ef71e0.exe"
  2⤵
  - Checks computer location settings
  - Drops file in Windows directory
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:5032
- - C:\Windows\ohrvlgggxryv.exe
    C:\Windows\ohrvlgggxryv.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:2456
  - - C:\Windows\ohrvlgggxryv.exe
      C:\Windows\ohrvlgggxryv.exe
      4⤵
      Checks computer location settings
      Executes dropped EXE
      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:2532
    - - C:\Windows\System32\wbem\WMIC.exe
        
        "C:\Windows\System32\wbem\WMIC.exe" shadowcopy delete /nointeractive
        5⤵
        Suspicious use of AdjustPrivilegeToken
        
        PID:2880
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c DEL C:\Users\Admin\AppData\Local\Temp\1093EB~1.EXE
    3⤵
    PID:556

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4000 --field-trial-handle=2276,i,5697607538120380977,9987005253899555344,262144 --variations-seed-version /prefetch:8
1⤵
PID:3540

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:688

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Indicator Removal

T1070

File Deletion

T1070.004

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Inhibit System Recovery

T1490

Replay Monitor

Loading Replay Monitor...

Downloads

C:\PerfLogs\_RECOVERY_+cauen.html

Filesize
11KB

MD5
7215ff6202b81c9b54ca76f4f29bc5e3

SHA1
b93118116dd0843f0e364334fc00690e2e174b23

SHA256
2c9849eece9a9917f22a0bdd1313e517dfc68a8fb20cae8e258e01f738ecc3b8

SHA512
3858ae1e9ed260cfe5f362b99b384a5e0268b50ef7686a1177690f16faec7f38f6259439a574595c23386777e700887872c974297166ef4c2b5af01f5d898fcb

Download Submit
C:\PerfLogs\_RECOVERY_+cauen.png

Filesize
62KB

MD5
a0ee74114f9791db4f2c73480bc2bfda

SHA1
ef5e5a546c914a2681e175f49e49e0b546827252

SHA256
5fd13b2eb4e60d1f47a8b84873c740853abf932145554279c37cc0e6815b4bd2

SHA512
e23d7ad22753b5ae0ae7327cdd9b4c2f69ed17f33cddee37a18e3743ce0e88d02605f6ec3dc261ca44b3ac09740e123f7723e94d5130dbc2a43bf72babfec595

Download Submit
C:\PerfLogs\_RECOVERY_+cauen.txt

Filesize
1KB

MD5
4b08e5389dc02f83d2a947379e50414e

SHA1
e115830d13d4cd2ae5a760994652b2035a08c463

SHA256
4ae5bd84f84d1a3606b056f966e34069da84a6d9224c939abf5eaca14ee7b1b0

SHA512
4549eb79923b5993ce156cec6e19a67c1f7034a0ca93ac9d4ada176e9b2349e4ec1ef3f4c4a7b92e9de393b6c88cc737aefc40f6fb72a51e86065d6f8532c929

Download Submit
C:\Program Files\Java\jre-1.8\THIRDPARTYLICENSEREADME-JAVAFX.txt

Filesize
560B

MD5
0558bcbb9ca70ff4be37b6bc7fa72e6e

SHA1
faa45d9ad36641bcc0abfa2d46b9bd65a0701736

SHA256
9c46d5839c55ff3968a8e151969079f0b6a03c3fd87b8e16e0336f55f9db5abe

SHA512
31668c222325e9cbb064bbc99549181708ff95c2c5760439b2937e36cafbcf98066efb21c7c0633d70f5a745557721fe21e701f9dc3ca549139bacf28fe8098b

Download Submit
C:\Program Files\Java\jre-1.8\THIRDPARTYLICENSEREADME.txt

Filesize
560B

MD5
fe72d714d215f113d2b1fb6526838972

SHA1
a07d2ffea8b37ccd107f9974ef97f8aabbe2f872

SHA256
71f4705f761e94a9a0c7b280ce1af743d22c751c320029008ece576fb8a9cd95

SHA512
5487c16f4dfa96e02aaaae135ef5d011841cad1e1fb540b34c94c499e5c48f153c8a23076b9c47b65946926497286373036dbbe3f720cca27e89af0589289d5e

Download Submit
C:\Program Files\Microsoft Office\root\Office16\1033\ClientSub2019_eula.txt

Filesize
416B

MD5
a6251f6a2aee763417334b169206d87e

SHA1
2d1816623f589cf555118ce7c62ac51a2cc38a13

SHA256
d1dc7632706a7c4198f9114171fcfb8e5eae1959c0178c99e6597a20299954b7

SHA512
e5c181efcb1a513cdd95587e8f9849795f9ac38d141a6e669e2f5e03c4de006313a1ed21deff2d45169ef37de86261ea4ba7f8694e42ec7e9a53f1c70c8641b9

Download Submit
C:\Windows\ohrvlgggxryv.exe

Filesize
384KB

MD5
adfedffccba08228a1f1addaeb0ad537

SHA1
8439a711ec759254f207eaac8162049062de2c0d

SHA256
1093eb4a29db197dceb1a8c61dce72b2de5479f3cab1583ff955c06c63ef71e0

SHA512
3d58224ba47c24ee7af5a3173b77a83082c978d44467d740e4b0b77e0ae727a34843d8a6fdf54c5ba7536d9b5c46c69f39175a7eacaccde905a4b00c47bbe351

Download Submit
memory/1736-5-0x00000000008C0000-0x00000000008C3000-memory.dmp

Filesize
12KB

Download
memory/1736-0-0x0000000000400000-0x00000000006FD000-memory.dmp

Filesize
3.0MB

Download
memory/1736-2-0x0000000000400000-0x00000000006FD000-memory.dmp

Filesize
3.0MB

Download
memory/1736-1-0x00000000008C0000-0x00000000008C3000-memory.dmp

Filesize
12KB

Download
memory/2456-13-0x0000000000400000-0x00000000006FD000-memory.dmp

Filesize
3.0MB

Download
memory/2456-16-0x0000000000400000-0x00000000006FD000-memory.dmp

Filesize
3.0MB

Download
memory/2532-25-0x0000000000400000-0x0000000000485000-memory.dmp

Filesize
532KB

Download
memory/2532-716-0x0000000000400000-0x0000000000485000-memory.dmp

Filesize
532KB

Download
memory/2532-22-0x0000000000400000-0x0000000000485000-memory.dmp

Filesize
532KB

Download
memory/2532-20-0x0000000000400000-0x0000000000485000-memory.dmp

Filesize
532KB

Download
memory/2532-26-0x0000000000400000-0x0000000000485000-memory.dmp

Filesize
532KB

Download
memory/2532-27-0x0000000000400000-0x0000000000485000-memory.dmp

Filesize
532KB

Download
memory/2532-19-0x0000000000400000-0x0000000000485000-memory.dmp

Filesize
532KB

Download
memory/2532-1530-0x0000000000400000-0x0000000000485000-memory.dmp

Filesize
532KB

Download
memory/2532-1319-0x0000000000400000-0x0000000000485000-memory.dmp

Filesize
532KB

Download
memory/2532-617-0x0000000000400000-0x0000000000485000-memory.dmp

Filesize
532KB

Download
memory/2532-625-0x0000000000400000-0x0000000000485000-memory.dmp

Filesize
532KB

Download
memory/2532-21-0x0000000000400000-0x0000000000485000-memory.dmp

Filesize
532KB

Download
memory/2532-800-0x0000000000400000-0x0000000000485000-memory.dmp

Filesize
532KB

Download
memory/2532-930-0x0000000000400000-0x0000000000485000-memory.dmp

Filesize
532KB

Download
memory/2532-996-0x0000000000400000-0x0000000000485000-memory.dmp

Filesize
532KB

Download
memory/2532-1191-0x0000000000400000-0x0000000000485000-memory.dmp

Filesize
532KB

Download
memory/2532-1046-0x0000000000400000-0x0000000000485000-memory.dmp

Filesize
532KB

Download
memory/5032-4-0x0000000000400000-0x0000000000485000-memory.dmp

Filesize
532KB

Download
memory/5032-3-0x0000000000400000-0x0000000000485000-memory.dmp

Filesize
532KB

Download
memory/5032-6-0x0000000000400000-0x0000000000485000-memory.dmp

Filesize
532KB

Download
memory/5032-7-0x0000000000400000-0x0000000000485000-memory.dmp

Filesize
532KB

Download
memory/5032-14-0x0000000000400000-0x0000000000485000-memory.dmp

Filesize
532KB

Download