Analysis
- max time kernel
10s - max time network
14s - platform
windows10-2004_x64 - resource
win10v2004-20220901-en - resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system - submitted
22/10/2022, 06:02
Static task
static1
Behavioral task
behavioral1
Sample
aca73acf92d5c709d17919f0d61f0db64bd50098fe2afe9e5834394dbaa611ae.exe
Resource
win7-20220901-en
windows7-x64
1 signatures
10 seconds
Behavioral task
behavioral2
Sample
aca73acf92d5c709d17919f0d61f0db64bd50098fe2afe9e5834394dbaa611ae.exe
Resource
win10v2004-20220901-en
windows10-2004-x64
12 signatures
10 seconds
General
- Target aca73acf92d5c709d17919f0d61f0db64bd50098fe2afe9e5834394dbaa611ae.exe
- Size 428KB
- Sample221022-grv2msbcbj
- SHA256 aca73acf92d5c709d17919f0d61f0db64bd50098fe2afe9e5834394dbaa611ae
- MD5 85b8d2fa326926f049d7d3b7a083e08e
- SHA1 9884d2f5bce7405627495470893765a70f858242
- SHA512 89d5b627a708974439e31079d122395c7e9ee06b345e2efa81e38a2821ceded0a1e95f919dcf44dce1dc509eeabae77264b8fadbe151408f63408c8b199090d7
- SSDEEP 6144:1Tz+ZXamW2jpJuSTZBDdDgPME1m4SKlwIMvfAoXbftChXW3AxfulDGgB:Nz+YmJJuGZYbzz2IgfFblCJxfS6
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Extracted
Path
-
C:\$Recycle.Bin\S-1-5-21-929662420-1054238289-2961194603-1000\_RECoVERY_+fkhoy.txt
-
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://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/D45D6F9C614BEA2 2. http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/D45D6F9C614BEA2 3. http://uiredn4njfsa4234bafb32ygjdawfvs.frascuft.com/D45D6F9C614BEA2 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/D45D6F9C614BEA2 4. Follow the instructions on the site. ---------------- IMPORTANT INFORMATION------------------------ *-*-* Your personal pages: http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/D45D6F9C614BEA2 http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/D45D6F9C614BEA2 http://uiredn4njfsa4234bafb32ygjdawfvs.frascuft.com/D45D6F9C614BEA2 *-*-* Your personal page Tor-Browser: xlowfznrg4wf7dli.ONION/D45D6F9C614BEA2
URLs
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http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/D45D6F9C614BEA2
-
http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/D45D6F9C614BEA2
-
http://uiredn4njfsa4234bafb32ygjdawfvs.frascuft.com/D45D6F9C614BEA2
-
http://xlowfznrg4wf7dli.ONION/D45D6F9C614BEA2
Signatures
- TeslaCrypt, AlphaCrypt
Ransomware based on CryptoLocker. Shut down by the developers in 2016.
- Deletes shadow copies 2 TTPs
Ransomware often targets backup files to inhibit system recovery.
- Executes dropped EXE 1 IoCs
pid Process 3424 yjfopqurvite.exe - Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation aca73acf92d5c709d17919f0d61f0db64bd50098fe2afe9e5834394dbaa611ae.exe Key value queried \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation yjfopqurvite.exe - Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\Run yjfopqurvite.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\qbhroxidyyxt = "C:\\Windows\\system32\\cmd.exe /c start \"\" \"C:\\Windows\\yjfopqurvite.exe\"" yjfopqurvite.exe - Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Common Files\microsoft shared\ink\tr-TR\_RECoVERY_+fkhoy.html yjfopqurvite.exe File opened for modification C:\Program Files\7-Zip\Lang\bn.txt yjfopqurvite.exe File opened for modification C:\Program Files\7-Zip\Lang\th.txt yjfopqurvite.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\oskmenu\_RECoVERY_+fkhoy.png yjfopqurvite.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\sv-SE\_RECoVERY_+fkhoy.png yjfopqurvite.exe File opened for modification C:\Program Files\7-Zip\Lang\ast.txt yjfopqurvite.exe File opened for modification C:\Program Files\7-Zip\Lang\ps.txt yjfopqurvite.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\insert\_RECoVERY_+fkhoy.png yjfopqurvite.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\zh-TW\_RECoVERY_+fkhoy.png yjfopqurvite.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\zh-TW\_RECoVERY_+fkhoy.txt yjfopqurvite.exe File opened for modification C:\Program Files\7-Zip\Lang\kab.txt yjfopqurvite.exe File opened for modification C:\Program Files\7-Zip\Lang\pa-in.txt yjfopqurvite.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\oskmenu\_RECoVERY_+fkhoy.html yjfopqurvite.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\uk-UA\_RECoVERY_+fkhoy.txt yjfopqurvite.exe File opened for modification C:\Program Files\7-Zip\Lang\ca.txt yjfopqurvite.exe File opened for modification C:\Program Files\7-Zip\Lang\lij.txt yjfopqurvite.exe File opened for modification C:\Program Files\7-Zip\readme.txt yjfopqurvite.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\fi-FI\_RECoVERY_+fkhoy.png yjfopqurvite.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\fr-CA\_RECoVERY_+fkhoy.html yjfopqurvite.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\hr-HR\_RECoVERY_+fkhoy.png yjfopqurvite.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\pt-PT\_RECoVERY_+fkhoy.png yjfopqurvite.exe File opened for modification C:\Program Files\7-Zip\Lang\is.txt yjfopqurvite.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\da-DK\_RECoVERY_+fkhoy.png yjfopqurvite.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\et-EE\_RECoVERY_+fkhoy.png yjfopqurvite.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\el-GR\_RECoVERY_+fkhoy.txt yjfopqurvite.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\oskmenu\_RECoVERY_+fkhoy.txt yjfopqurvite.exe File opened for modification C:\Program Files\7-Zip\Lang\eo.txt yjfopqurvite.exe File opened for modification C:\Program Files\7-Zip\Lang\ms.txt yjfopqurvite.exe File opened for modification C:\Program Files\7-Zip\Lang\sr-spc.txt yjfopqurvite.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\_RECoVERY_+fkhoy.txt yjfopqurvite.exe File opened for modification C:\Program Files\7-Zip\Lang\zh-tw.txt yjfopqurvite.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\he-IL\_RECoVERY_+fkhoy.html yjfopqurvite.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\HWRCustomization\_RECoVERY_+fkhoy.html yjfopqurvite.exe File opened for modification C:\Program Files\7-Zip\Lang\lv.txt yjfopqurvite.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\osknav\_RECoVERY_+fkhoy.png yjfopqurvite.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\es-ES\_RECoVERY_+fkhoy.html yjfopqurvite.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\lt-LT\_RECoVERY_+fkhoy.png yjfopqurvite.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\pt-BR\_RECoVERY_+fkhoy.png yjfopqurvite.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\th-TH\_RECoVERY_+fkhoy.txt yjfopqurvite.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\uk-UA\_RECoVERY_+fkhoy.png yjfopqurvite.exe File opened for modification C:\Program Files\7-Zip\Lang\bg.txt yjfopqurvite.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\ar-SA\_RECoVERY_+fkhoy.txt yjfopqurvite.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\en-GB\_RECoVERY_+fkhoy.txt yjfopqurvite.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\pl-PL\_RECoVERY_+fkhoy.html yjfopqurvite.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\pt-BR\_RECoVERY_+fkhoy.html yjfopqurvite.exe File opened for modification C:\Program Files\7-Zip\Lang\hr.txt yjfopqurvite.exe File opened for modification C:\Program Files\7-Zip\Lang\zh-cn.txt yjfopqurvite.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\da-DK\_RECoVERY_+fkhoy.txt yjfopqurvite.exe File opened for modification C:\Program Files\7-Zip\Lang\_RECoVERY_+fkhoy.txt yjfopqurvite.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\auxpad\_RECoVERY_+fkhoy.png yjfopqurvite.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\hu-HU\_RECoVERY_+fkhoy.png yjfopqurvite.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\nl-NL\_RECoVERY_+fkhoy.png yjfopqurvite.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\sk-SK\_RECoVERY_+fkhoy.txt yjfopqurvite.exe File opened for modification C:\Program Files\7-Zip\Lang\af.txt yjfopqurvite.exe File opened for modification C:\Program Files\7-Zip\Lang\cy.txt yjfopqurvite.exe File opened for modification C:\Program Files\7-Zip\Lang\hi.txt yjfopqurvite.exe File opened for modification C:\Program Files\Common Files\DESIGNER\_RECoVERY_+fkhoy.png yjfopqurvite.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\symbols\_RECoVERY_+fkhoy.html yjfopqurvite.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\ru-RU\_RECoVERY_+fkhoy.html yjfopqurvite.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\_RECoVERY_+fkhoy.png yjfopqurvite.exe File opened for modification C:\Program Files\7-Zip\Lang\fur.txt yjfopqurvite.exe File opened for modification C:\Program Files\7-Zip\Lang\nl.txt yjfopqurvite.exe File opened for modification C:\Program Files\7-Zip\Lang\ro.txt yjfopqurvite.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\oskclearui\_RECoVERY_+fkhoy.png yjfopqurvite.exe - Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\yjfopqurvite.exe aca73acf92d5c709d17919f0d61f0db64bd50098fe2afe9e5834394dbaa611ae.exe File opened for modification C:\Windows\yjfopqurvite.exe aca73acf92d5c709d17919f0d61f0db64bd50098fe2afe9e5834394dbaa611ae.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Suspicious behavior: EnumeratesProcesses 46 IoCs
pid Process 3424 yjfopqurvite.exe 3424 yjfopqurvite.exe 3424 yjfopqurvite.exe 3424 yjfopqurvite.exe 3424 yjfopqurvite.exe 3424 yjfopqurvite.exe 3424 yjfopqurvite.exe 3424 yjfopqurvite.exe 3424 yjfopqurvite.exe 3424 yjfopqurvite.exe 3424 yjfopqurvite.exe 3424 yjfopqurvite.exe 3424 yjfopqurvite.exe 3424 yjfopqurvite.exe 3424 yjfopqurvite.exe 3424 yjfopqurvite.exe 3424 yjfopqurvite.exe 3424 yjfopqurvite.exe 3424 yjfopqurvite.exe 3424 yjfopqurvite.exe 3424 yjfopqurvite.exe 3424 yjfopqurvite.exe 3424 yjfopqurvite.exe 3424 yjfopqurvite.exe 3424 yjfopqurvite.exe 3424 yjfopqurvite.exe 3424 yjfopqurvite.exe 3424 yjfopqurvite.exe 3424 yjfopqurvite.exe 3424 yjfopqurvite.exe 3424 yjfopqurvite.exe 3424 yjfopqurvite.exe 3424 yjfopqurvite.exe 3424 yjfopqurvite.exe 3424 yjfopqurvite.exe 3424 yjfopqurvite.exe 3424 yjfopqurvite.exe 3424 yjfopqurvite.exe 3424 yjfopqurvite.exe 3424 yjfopqurvite.exe 3424 yjfopqurvite.exe 3424 yjfopqurvite.exe 3424 yjfopqurvite.exe 3424 yjfopqurvite.exe 3424 yjfopqurvite.exe 3424 yjfopqurvite.exe - Suspicious use of AdjustPrivilegeToken 47 IoCs
description pid Process Token: SeDebugPrivilege 516 aca73acf92d5c709d17919f0d61f0db64bd50098fe2afe9e5834394dbaa611ae.exe Token: SeDebugPrivilege 3424 yjfopqurvite.exe Token: SeIncreaseQuotaPrivilege 2520 WMIC.exe Token: SeSecurityPrivilege 2520 WMIC.exe Token: SeTakeOwnershipPrivilege 2520 WMIC.exe Token: SeLoadDriverPrivilege 2520 WMIC.exe Token: SeSystemProfilePrivilege 2520 WMIC.exe Token: SeSystemtimePrivilege 2520 WMIC.exe Token: SeProfSingleProcessPrivilege 2520 WMIC.exe Token: SeIncBasePriorityPrivilege 2520 WMIC.exe Token: SeCreatePagefilePrivilege 2520 WMIC.exe Token: SeBackupPrivilege 2520 WMIC.exe Token: SeRestorePrivilege 2520 WMIC.exe Token: SeShutdownPrivilege 2520 WMIC.exe Token: SeDebugPrivilege 2520 WMIC.exe Token: SeSystemEnvironmentPrivilege 2520 WMIC.exe Token: SeRemoteShutdownPrivilege 2520 WMIC.exe Token: SeUndockPrivilege 2520 WMIC.exe Token: SeManageVolumePrivilege 2520 WMIC.exe Token: 33 2520 WMIC.exe Token: 34 2520 WMIC.exe Token: 35 2520 WMIC.exe Token: 36 2520 WMIC.exe Token: SeIncreaseQuotaPrivilege 2520 WMIC.exe Token: SeSecurityPrivilege 2520 WMIC.exe Token: SeTakeOwnershipPrivilege 2520 WMIC.exe Token: SeLoadDriverPrivilege 2520 WMIC.exe Token: SeSystemProfilePrivilege 2520 WMIC.exe Token: SeSystemtimePrivilege 2520 WMIC.exe Token: SeProfSingleProcessPrivilege 2520 WMIC.exe Token: SeIncBasePriorityPrivilege 2520 WMIC.exe Token: SeCreatePagefilePrivilege 2520 WMIC.exe Token: SeBackupPrivilege 2520 WMIC.exe Token: SeRestorePrivilege 2520 WMIC.exe Token: SeShutdownPrivilege 2520 WMIC.exe Token: SeDebugPrivilege 2520 WMIC.exe Token: SeSystemEnvironmentPrivilege 2520 WMIC.exe Token: SeRemoteShutdownPrivilege 2520 WMIC.exe Token: SeUndockPrivilege 2520 WMIC.exe Token: SeManageVolumePrivilege 2520 WMIC.exe Token: 33 2520 WMIC.exe Token: 34 2520 WMIC.exe Token: 35 2520 WMIC.exe Token: 36 2520 WMIC.exe Token: SeBackupPrivilege 4712 vssvc.exe Token: SeRestorePrivilege 4712 vssvc.exe Token: SeAuditPrivilege 4712 vssvc.exe - Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 516 wrote to memory of 3424 516 aca73acf92d5c709d17919f0d61f0db64bd50098fe2afe9e5834394dbaa611ae.exe 81 PID 516 wrote to memory of 3424 516 aca73acf92d5c709d17919f0d61f0db64bd50098fe2afe9e5834394dbaa611ae.exe 81 PID 516 wrote to memory of 3424 516 aca73acf92d5c709d17919f0d61f0db64bd50098fe2afe9e5834394dbaa611ae.exe 81 PID 516 wrote to memory of 4260 516 aca73acf92d5c709d17919f0d61f0db64bd50098fe2afe9e5834394dbaa611ae.exe 82 PID 516 wrote to memory of 4260 516 aca73acf92d5c709d17919f0d61f0db64bd50098fe2afe9e5834394dbaa611ae.exe 82 PID 516 wrote to memory of 4260 516 aca73acf92d5c709d17919f0d61f0db64bd50098fe2afe9e5834394dbaa611ae.exe 82 PID 3424 wrote to memory of 2520 3424 yjfopqurvite.exe 84 PID 3424 wrote to memory of 2520 3424 yjfopqurvite.exe 84 - System policy modification 1 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System yjfopqurvite.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLinkedConnections = "1" yjfopqurvite.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\aca73acf92d5c709d17919f0d61f0db64bd50098fe2afe9e5834394dbaa611ae.exe"C:\Users\Admin\AppData\Local\Temp\aca73acf92d5c709d17919f0d61f0db64bd50098fe2afe9e5834394dbaa611ae.exe"1⤵
- Checks computer location settings
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:516 -
C:\Windows\yjfopqurvite.exeC:\Windows\yjfopqurvite.exe2⤵
- 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:3424 -
C:\Windows\System32\wbem\WMIC.exe"C:\Windows\System32\wbem\WMIC.exe" shadowcopy delete /nointeractive3⤵
- Suspicious use of AdjustPrivilegeToken
PID:2520
-
-
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c DEL C:\Users\Admin\AppData\Local\Temp\ACA73A~1.EXE2⤵PID:4260
-
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4712
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Windows\yjfopqurvite.exe
- Size 428KB
- SHA256 aca73acf92d5c709d17919f0d61f0db64bd50098fe2afe9e5834394dbaa611ae
- MD5 85b8d2fa326926f049d7d3b7a083e08e
- SHA1 9884d2f5bce7405627495470893765a70f858242
- SHA512 89d5b627a708974439e31079d122395c7e9ee06b345e2efa81e38a2821ceded0a1e95f919dcf44dce1dc509eeabae77264b8fadbe151408f63408c8b199090d7
- SSDEEP 6144:1Tz+ZXamW2jpJuSTZBDdDgPME1m4SKlwIMvfAoXbftChXW3AxfulDGgB:Nz+YmJJuGZYbzz2IgfFblCJxfS6
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\yjfopqurvite.exe
- Size 428KB
- SHA256 aca73acf92d5c709d17919f0d61f0db64bd50098fe2afe9e5834394dbaa611ae
- MD5 85b8d2fa326926f049d7d3b7a083e08e
- SHA1 9884d2f5bce7405627495470893765a70f858242
- SHA512 89d5b627a708974439e31079d122395c7e9ee06b345e2efa81e38a2821ceded0a1e95f919dcf44dce1dc509eeabae77264b8fadbe151408f63408c8b199090d7
- SSDEEP 6144:1Tz+ZXamW2jpJuSTZBDdDgPME1m4SKlwIMvfAoXbftChXW3AxfulDGgB:Nz+YmJJuGZYbzz2IgfFblCJxfS6
- MD5 SHA1 SHA512 SSDEEP