Analysis
-
max time kernel
11s -
max time network
12s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
23-10-2022 15:03
Static task
static1
Behavioral task
behavioral1
Sample
a4e2cd01d98d9ae848f2ff4a03f64978961c6ad62413698fd48613dacf557dea.exe
Resource
win7-20220901-en
windows7-x64
1 signatures
10 seconds
Behavioral task
behavioral2
Sample
a4e2cd01d98d9ae848f2ff4a03f64978961c6ad62413698fd48613dacf557dea.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
12 signatures
10 seconds
General
-
Target
a4e2cd01d98d9ae848f2ff4a03f64978961c6ad62413698fd48613dacf557dea.exe
-
Size
424KB
-
MD5
416f169b4d316eb3f52682ceba73cbdb
-
SHA1
164f6ddfa7be987bb116269c22a30f26989e9721
-
SHA256
a4e2cd01d98d9ae848f2ff4a03f64978961c6ad62413698fd48613dacf557dea
-
SHA512
054c5e151d97d60cda1e9ee88d1eb275f3f30302ad0f171e404b48f233e551f83afc27995ac2e1ef6eed6c87fb91ccf1de8889401b2327189b859609a43f6577
-
SSDEEP
12288:WmM+X6gSTFp6q5ePiWkO1AeV5WhtblCJxfS6:1Mq6gSTLj5f5O5u5OR1
Score
10/10
Malware Config
Extracted
Path
C:\$Recycle.Bin\S-1-5-21-2891029575-1462575-1165213807-1000\_RECoVERY_+iusqm.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://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/9CF19938F6FC31
2. http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/9CF19938F6FC31
3. http://uiredn4njfsa4234bafb32ygjdawfvs.frascuft.com/9CF19938F6FC31
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/9CF19938F6FC31
4. Follow the instructions on the site.
---------------- IMPORTANT INFORMATION------------------------
*-*-* Your personal pages:
http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/9CF19938F6FC31
http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/9CF19938F6FC31
http://uiredn4njfsa4234bafb32ygjdawfvs.frascuft.com/9CF19938F6FC31
*-*-* Your personal page Tor-Browser: xlowfznrg4wf7dli.ONION/9CF19938F6FC31
URLs
http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/9CF19938F6FC31
http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/9CF19938F6FC31
http://uiredn4njfsa4234bafb32ygjdawfvs.frascuft.com/9CF19938F6FC31
http://xlowfznrg4wf7dli.ONION/9CF19938F6FC31
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
Processes:
gtefrqbiyhao.exepid Process 4952 gtefrqbiyhao.exe -
Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
gtefrqbiyhao.exea4e2cd01d98d9ae848f2ff4a03f64978961c6ad62413698fd48613dacf557dea.exedescription ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation gtefrqbiyhao.exe Key value queried \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation a4e2cd01d98d9ae848f2ff4a03f64978961c6ad62413698fd48613dacf557dea.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
gtefrqbiyhao.exedescription ioc Process Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows\CurrentVersion\Run gtefrqbiyhao.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\iemxfkxappku = "C:\\Windows\\system32\\cmd.exe /c start \"\" \"C:\\Windows\\gtefrqbiyhao.exe\"" gtefrqbiyhao.exe -
Drops file in Program Files directory 64 IoCs
Processes:
gtefrqbiyhao.exedescription ioc Process File opened for modification C:\Program Files\7-Zip\Lang\el.txt gtefrqbiyhao.exe File opened for modification C:\Program Files\7-Zip\Lang\et.txt gtefrqbiyhao.exe File opened for modification C:\Program Files\7-Zip\Lang\hy.txt gtefrqbiyhao.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\es-MX\_RECoVERY_+iusqm.txt gtefrqbiyhao.exe File opened for modification C:\Program Files\7-Zip\Lang\de.txt gtefrqbiyhao.exe File opened for modification C:\Program Files\7-Zip\Lang\ka.txt gtefrqbiyhao.exe File opened for modification C:\Program Files\7-Zip\Lang\nn.txt gtefrqbiyhao.exe File opened for modification C:\Program Files\7-Zip\Lang\yo.txt gtefrqbiyhao.exe File opened for modification C:\Program Files\7-Zip\Lang\_RECoVERY_+iusqm.txt gtefrqbiyhao.exe File opened for modification C:\Program Files\7-Zip\_RECoVERY_+iusqm.txt gtefrqbiyhao.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\el-GR\_RECoVERY_+iusqm.txt gtefrqbiyhao.exe File opened for modification C:\Program Files\7-Zip\Lang\an.txt gtefrqbiyhao.exe File opened for modification C:\Program Files\7-Zip\Lang\bg.txt gtefrqbiyhao.exe File opened for modification C:\Program Files\7-Zip\Lang\co.txt gtefrqbiyhao.exe File opened for modification C:\Program Files\7-Zip\Lang\fy.txt gtefrqbiyhao.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\cs-CZ\_RECoVERY_+iusqm.txt gtefrqbiyhao.exe File opened for modification C:\Program Files\7-Zip\Lang\fur.txt gtefrqbiyhao.exe File opened for modification C:\Program Files\7-Zip\Lang\pt-br.txt gtefrqbiyhao.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\bg-BG\_RECoVERY_+iusqm.html gtefrqbiyhao.exe File opened for modification C:\Program Files\7-Zip\Lang\ext.txt gtefrqbiyhao.exe File opened for modification C:\Program Files\7-Zip\Lang\sr-spc.txt gtefrqbiyhao.exe File opened for modification C:\Program Files\7-Zip\Lang\_RECoVERY_+iusqm.png gtefrqbiyhao.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\ar-SA\_RECoVERY_+iusqm.txt gtefrqbiyhao.exe File opened for modification C:\Program Files\7-Zip\Lang\ba.txt gtefrqbiyhao.exe File opened for modification C:\Program Files\7-Zip\Lang\fa.txt gtefrqbiyhao.exe File opened for modification C:\Program Files\7-Zip\Lang\is.txt gtefrqbiyhao.exe File opened for modification C:\Program Files\7-Zip\Lang\lij.txt gtefrqbiyhao.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\ar-SA\_RECoVERY_+iusqm.png gtefrqbiyhao.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\en-GB\_RECoVERY_+iusqm.html gtefrqbiyhao.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\fr-CA\_RECoVERY_+iusqm.txt gtefrqbiyhao.exe File opened for modification C:\Program Files\7-Zip\Lang\lv.txt gtefrqbiyhao.exe File opened for modification C:\Program Files\7-Zip\Lang\ne.txt gtefrqbiyhao.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\cs-CZ\_RECoVERY_+iusqm.png gtefrqbiyhao.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\en-US\_RECoVERY_+iusqm.html gtefrqbiyhao.exe File opened for modification C:\Program Files\7-Zip\Lang\hu.txt gtefrqbiyhao.exe File opened for modification C:\Program Files\7-Zip\Lang\pa-in.txt gtefrqbiyhao.exe File opened for modification C:\Program Files\7-Zip\Lang\ro.txt gtefrqbiyhao.exe File opened for modification C:\Program Files\7-Zip\Lang\bn.txt gtefrqbiyhao.exe File opened for modification C:\Program Files\7-Zip\Lang\ta.txt gtefrqbiyhao.exe File opened for modification C:\Program Files\7-Zip\Lang\sq.txt gtefrqbiyhao.exe File opened for modification C:\Program Files\7-Zip\Lang\zh-cn.txt gtefrqbiyhao.exe File opened for modification C:\Program Files\7-Zip\readme.txt gtefrqbiyhao.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\ar-SA\_RECoVERY_+iusqm.html gtefrqbiyhao.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\et-EE\_RECoVERY_+iusqm.png gtefrqbiyhao.exe File opened for modification C:\Program Files\7-Zip\Lang\da.txt gtefrqbiyhao.exe File opened for modification C:\Program Files\7-Zip\Lang\ky.txt gtefrqbiyhao.exe File opened for modification C:\Program Files\7-Zip\Lang\mn.txt gtefrqbiyhao.exe File opened for modification C:\Program Files\7-Zip\Lang\eo.txt gtefrqbiyhao.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\fi-FI\_RECoVERY_+iusqm.png gtefrqbiyhao.exe File opened for modification C:\Program Files\7-Zip\Lang\ca.txt gtefrqbiyhao.exe File opened for modification C:\Program Files\7-Zip\Lang\kab.txt gtefrqbiyhao.exe File opened for modification C:\Program Files\7-Zip\Lang\ku-ckb.txt gtefrqbiyhao.exe File opened for modification C:\Program Files\7-Zip\Lang\pl.txt gtefrqbiyhao.exe File opened for modification C:\Program Files\7-Zip\Lang\tt.txt gtefrqbiyhao.exe File opened for modification C:\Program Files\7-Zip\Lang\zh-tw.txt gtefrqbiyhao.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\en-GB\_RECoVERY_+iusqm.png gtefrqbiyhao.exe File opened for modification C:\Program Files\7-Zip\Lang\ar.txt gtefrqbiyhao.exe File opened for modification C:\Program Files\7-Zip\Lang\id.txt gtefrqbiyhao.exe File opened for modification C:\Program Files\7-Zip\Lang\ru.txt gtefrqbiyhao.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\en-US\_RECoVERY_+iusqm.png gtefrqbiyhao.exe File opened for modification C:\Program Files\7-Zip\Lang\mr.txt gtefrqbiyhao.exe File opened for modification C:\Program Files\7-Zip\Lang\sv.txt gtefrqbiyhao.exe File opened for modification C:\Program Files\7-Zip\Lang\es.txt gtefrqbiyhao.exe File opened for modification C:\Program Files\7-Zip\Lang\sk.txt gtefrqbiyhao.exe -
Drops file in Windows directory 2 IoCs
Processes:
a4e2cd01d98d9ae848f2ff4a03f64978961c6ad62413698fd48613dacf557dea.exedescription ioc Process File created C:\Windows\gtefrqbiyhao.exe a4e2cd01d98d9ae848f2ff4a03f64978961c6ad62413698fd48613dacf557dea.exe File opened for modification C:\Windows\gtefrqbiyhao.exe a4e2cd01d98d9ae848f2ff4a03f64978961c6ad62413698fd48613dacf557dea.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Suspicious behavior: EnumeratesProcesses 32 IoCs
Processes:
gtefrqbiyhao.exepid Process 4952 gtefrqbiyhao.exe 4952 gtefrqbiyhao.exe 4952 gtefrqbiyhao.exe 4952 gtefrqbiyhao.exe 4952 gtefrqbiyhao.exe 4952 gtefrqbiyhao.exe 4952 gtefrqbiyhao.exe 4952 gtefrqbiyhao.exe 4952 gtefrqbiyhao.exe 4952 gtefrqbiyhao.exe 4952 gtefrqbiyhao.exe 4952 gtefrqbiyhao.exe 4952 gtefrqbiyhao.exe 4952 gtefrqbiyhao.exe 4952 gtefrqbiyhao.exe 4952 gtefrqbiyhao.exe 4952 gtefrqbiyhao.exe 4952 gtefrqbiyhao.exe 4952 gtefrqbiyhao.exe 4952 gtefrqbiyhao.exe 4952 gtefrqbiyhao.exe 4952 gtefrqbiyhao.exe 4952 gtefrqbiyhao.exe 4952 gtefrqbiyhao.exe 4952 gtefrqbiyhao.exe 4952 gtefrqbiyhao.exe 4952 gtefrqbiyhao.exe 4952 gtefrqbiyhao.exe 4952 gtefrqbiyhao.exe 4952 gtefrqbiyhao.exe 4952 gtefrqbiyhao.exe 4952 gtefrqbiyhao.exe -
Suspicious use of AdjustPrivilegeToken 47 IoCs
Processes:
a4e2cd01d98d9ae848f2ff4a03f64978961c6ad62413698fd48613dacf557dea.exegtefrqbiyhao.exeWMIC.exevssvc.exedescription pid Process Token: SeDebugPrivilege 1768 a4e2cd01d98d9ae848f2ff4a03f64978961c6ad62413698fd48613dacf557dea.exe Token: SeDebugPrivilege 4952 gtefrqbiyhao.exe Token: SeIncreaseQuotaPrivilege 5040 WMIC.exe Token: SeSecurityPrivilege 5040 WMIC.exe Token: SeTakeOwnershipPrivilege 5040 WMIC.exe Token: SeLoadDriverPrivilege 5040 WMIC.exe Token: SeSystemProfilePrivilege 5040 WMIC.exe Token: SeSystemtimePrivilege 5040 WMIC.exe Token: SeProfSingleProcessPrivilege 5040 WMIC.exe Token: SeIncBasePriorityPrivilege 5040 WMIC.exe Token: SeCreatePagefilePrivilege 5040 WMIC.exe Token: SeBackupPrivilege 5040 WMIC.exe Token: SeRestorePrivilege 5040 WMIC.exe Token: SeShutdownPrivilege 5040 WMIC.exe Token: SeDebugPrivilege 5040 WMIC.exe Token: SeSystemEnvironmentPrivilege 5040 WMIC.exe Token: SeRemoteShutdownPrivilege 5040 WMIC.exe Token: SeUndockPrivilege 5040 WMIC.exe Token: SeManageVolumePrivilege 5040 WMIC.exe Token: 33 5040 WMIC.exe Token: 34 5040 WMIC.exe Token: 35 5040 WMIC.exe Token: 36 5040 WMIC.exe Token: SeIncreaseQuotaPrivilege 5040 WMIC.exe Token: SeSecurityPrivilege 5040 WMIC.exe Token: SeTakeOwnershipPrivilege 5040 WMIC.exe Token: SeLoadDriverPrivilege 5040 WMIC.exe Token: SeSystemProfilePrivilege 5040 WMIC.exe Token: SeSystemtimePrivilege 5040 WMIC.exe Token: SeProfSingleProcessPrivilege 5040 WMIC.exe Token: SeIncBasePriorityPrivilege 5040 WMIC.exe Token: SeCreatePagefilePrivilege 5040 WMIC.exe Token: SeBackupPrivilege 5040 WMIC.exe Token: SeRestorePrivilege 5040 WMIC.exe Token: SeShutdownPrivilege 5040 WMIC.exe Token: SeDebugPrivilege 5040 WMIC.exe Token: SeSystemEnvironmentPrivilege 5040 WMIC.exe Token: SeRemoteShutdownPrivilege 5040 WMIC.exe Token: SeUndockPrivilege 5040 WMIC.exe Token: SeManageVolumePrivilege 5040 WMIC.exe Token: 33 5040 WMIC.exe Token: 34 5040 WMIC.exe Token: 35 5040 WMIC.exe Token: 36 5040 WMIC.exe Token: SeBackupPrivilege 3016 vssvc.exe Token: SeRestorePrivilege 3016 vssvc.exe Token: SeAuditPrivilege 3016 vssvc.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
a4e2cd01d98d9ae848f2ff4a03f64978961c6ad62413698fd48613dacf557dea.exegtefrqbiyhao.exedescription pid Process procid_target PID 1768 wrote to memory of 4952 1768 a4e2cd01d98d9ae848f2ff4a03f64978961c6ad62413698fd48613dacf557dea.exe 81 PID 1768 wrote to memory of 4952 1768 a4e2cd01d98d9ae848f2ff4a03f64978961c6ad62413698fd48613dacf557dea.exe 81 PID 1768 wrote to memory of 4952 1768 a4e2cd01d98d9ae848f2ff4a03f64978961c6ad62413698fd48613dacf557dea.exe 81 PID 1768 wrote to memory of 4640 1768 a4e2cd01d98d9ae848f2ff4a03f64978961c6ad62413698fd48613dacf557dea.exe 82 PID 1768 wrote to memory of 4640 1768 a4e2cd01d98d9ae848f2ff4a03f64978961c6ad62413698fd48613dacf557dea.exe 82 PID 1768 wrote to memory of 4640 1768 a4e2cd01d98d9ae848f2ff4a03f64978961c6ad62413698fd48613dacf557dea.exe 82 PID 4952 wrote to memory of 5040 4952 gtefrqbiyhao.exe 84 PID 4952 wrote to memory of 5040 4952 gtefrqbiyhao.exe 84 -
System policy modification 1 TTPs 2 IoCs
Processes:
gtefrqbiyhao.exedescription ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System gtefrqbiyhao.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLinkedConnections = "1" gtefrqbiyhao.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\a4e2cd01d98d9ae848f2ff4a03f64978961c6ad62413698fd48613dacf557dea.exe"C:\Users\Admin\AppData\Local\Temp\a4e2cd01d98d9ae848f2ff4a03f64978961c6ad62413698fd48613dacf557dea.exe"1⤵
- Checks computer location settings
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1768 -
C:\Windows\gtefrqbiyhao.exeC:\Windows\gtefrqbiyhao.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:4952 -
C:\Windows\System32\wbem\WMIC.exe"C:\Windows\System32\wbem\WMIC.exe" shadowcopy delete /nointeractive3⤵
- Suspicious use of AdjustPrivilegeToken
PID:5040
-
-
-
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c DEL C:\Users\Admin\AppData\Local\Temp\A4E2CD~1.EXE2⤵PID:4640
-
-
C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3016
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
424KB
MD5416f169b4d316eb3f52682ceba73cbdb
SHA1164f6ddfa7be987bb116269c22a30f26989e9721
SHA256a4e2cd01d98d9ae848f2ff4a03f64978961c6ad62413698fd48613dacf557dea
SHA512054c5e151d97d60cda1e9ee88d1eb275f3f30302ad0f171e404b48f233e551f83afc27995ac2e1ef6eed6c87fb91ccf1de8889401b2327189b859609a43f6577
-
Filesize
424KB
MD5416f169b4d316eb3f52682ceba73cbdb
SHA1164f6ddfa7be987bb116269c22a30f26989e9721
SHA256a4e2cd01d98d9ae848f2ff4a03f64978961c6ad62413698fd48613dacf557dea
SHA512054c5e151d97d60cda1e9ee88d1eb275f3f30302ad0f171e404b48f233e551f83afc27995ac2e1ef6eed6c87fb91ccf1de8889401b2327189b859609a43f6577