Analysis
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max time kernel
10s -
max time network
11s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
24-10-2022 05:09
Static task
static1
Behavioral task
behavioral1
Sample
cbb69a74a9f8ec04cb71f5857eb55b6ed399dbf92ed6ed2de0738c3b5f9a2b43.exe
Resource
win7-20220812-en
windows7-x64
1 signatures
10 seconds
Behavioral task
behavioral2
Sample
cbb69a74a9f8ec04cb71f5857eb55b6ed399dbf92ed6ed2de0738c3b5f9a2b43.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
12 signatures
10 seconds
General
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Target
cbb69a74a9f8ec04cb71f5857eb55b6ed399dbf92ed6ed2de0738c3b5f9a2b43.exe
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Size
424KB
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MD5
bc5293fc4535b15ad670c8a58d9d2560
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SHA1
4ec663d224d029b3fba0ae701522439c26395c87
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SHA256
cbb69a74a9f8ec04cb71f5857eb55b6ed399dbf92ed6ed2de0738c3b5f9a2b43
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SHA512
a0ff20a077fc6f8fcff1c3321acf8ff954896764bd71923065a93a197c715d9fd044958434a026d3461fcf273f3fc69523ddb985b70033c780a1eae4e492c707
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SSDEEP
12288:amM+X6gSTFp6q5ePiWkO1AeV5WhtblCJxfS6:5Mq6gSTLj5f5O5u5OR1
Score
10/10
Malware Config
Extracted
Path
C:\$Recycle.Bin\S-1-5-21-2629973501-4017243118-3254762364-1000\_RECoVERY_+ipcup.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/D7F3113805C70F0
2. http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/D7F3113805C70F0
3. http://uiredn4njfsa4234bafb32ygjdawfvs.frascuft.com/D7F3113805C70F0
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/D7F3113805C70F0
4. Follow the instructions on the site.
---------------- IMPORTANT INFORMATION------------------------
*-*-* Your personal pages:
http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/D7F3113805C70F0
http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/D7F3113805C70F0
http://uiredn4njfsa4234bafb32ygjdawfvs.frascuft.com/D7F3113805C70F0
*-*-* Your personal page Tor-Browser: xlowfznrg4wf7dli.ONION/D7F3113805C70F0
URLs
http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/D7F3113805C70F0
http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/D7F3113805C70F0
http://uiredn4njfsa4234bafb32ygjdawfvs.frascuft.com/D7F3113805C70F0
http://xlowfznrg4wf7dli.ONION/D7F3113805C70F0
Signatures
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TeslaCrypt, AlphaCrypt
Ransomware based on CryptoLocker. Shut down by the developers in 2016.
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Deletes shadow copies 2 TTPs
Ransomware often targets backup files to inhibit system recovery.
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Executes dropped EXE 1 IoCs
pid Process 2140 sktmbfnncjca.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-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation cbb69a74a9f8ec04cb71f5857eb55b6ed399dbf92ed6ed2de0738c3b5f9a2b43.exe Key value queried \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation sktmbfnncjca.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run sktmbfnncjca.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\akqhsevjalnn = "C:\\Windows\\system32\\cmd.exe /c start \"\" \"C:\\Windows\\sktmbfnncjca.exe\"" sktmbfnncjca.exe -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\7-Zip\Lang\sr-spl.txt sktmbfnncjca.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\pt-BR\_RECoVERY_+ipcup.html sktmbfnncjca.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\zh-CN\_RECoVERY_+ipcup.txt sktmbfnncjca.exe File opened for modification C:\Program Files\7-Zip\Lang\fi.txt sktmbfnncjca.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\nb-NO\_RECoVERY_+ipcup.html sktmbfnncjca.exe File opened for modification C:\Program Files\7-Zip\Lang\mn.txt sktmbfnncjca.exe File opened for modification C:\Program Files\7-Zip\Lang\uk.txt sktmbfnncjca.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\hr-HR\_RECoVERY_+ipcup.txt sktmbfnncjca.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\pt-PT\_RECoVERY_+ipcup.html sktmbfnncjca.exe File opened for modification C:\Program Files\Common Files\microsoft shared\MSInfo\it-IT\_RECoVERY_+ipcup.html sktmbfnncjca.exe File opened for modification C:\Program Files\Common Files\System\msadc\it-IT\_RECoVERY_+ipcup.png sktmbfnncjca.exe File opened for modification C:\Program Files\Common Files\_RECoVERY_+ipcup.txt sktmbfnncjca.exe File opened for modification C:\Program Files\7-Zip\Lang\ga.txt sktmbfnncjca.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main\_RECoVERY_+ipcup.html sktmbfnncjca.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\osknav\_RECoVERY_+ipcup.png sktmbfnncjca.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\zh-CN\_RECoVERY_+ipcup.png sktmbfnncjca.exe File opened for modification C:\Program Files\7-Zip\Lang\pt-br.txt sktmbfnncjca.exe File opened for modification C:\Program Files\Common Files\System\ado\fr-FR\_RECoVERY_+ipcup.txt sktmbfnncjca.exe File opened for modification C:\Program Files\Common Files\System\Ole DB\en-US\_RECoVERY_+ipcup.png sktmbfnncjca.exe File opened for modification C:\Program Files\Google\Chrome\Application\89.0.4389.114\default_apps\_RECoVERY_+ipcup.html sktmbfnncjca.exe File opened for modification C:\Program Files\7-Zip\Lang\nn.txt sktmbfnncjca.exe File opened for modification C:\Program Files\Common Files\microsoft shared\VSTO\_RECoVERY_+ipcup.html sktmbfnncjca.exe File opened for modification C:\Program Files\Common Files\System\msadc\en-US\_RECoVERY_+ipcup.txt sktmbfnncjca.exe File opened for modification C:\Program Files\7-Zip\Lang\mng.txt sktmbfnncjca.exe File opened for modification C:\Program Files\Common Files\microsoft shared\TextConv\_RECoVERY_+ipcup.txt sktmbfnncjca.exe File opened for modification C:\Program Files\7-Zip\Lang\ne.txt sktmbfnncjca.exe File opened for modification C:\Program Files\Common Files\microsoft shared\TextConv\en-US\_RECoVERY_+ipcup.png sktmbfnncjca.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main\_RECoVERY_+ipcup.png sktmbfnncjca.exe File opened for modification C:\Program Files\7-Zip\Lang\fa.txt sktmbfnncjca.exe File opened for modification C:\Program Files\7-Zip\Lang\kab.txt sktmbfnncjca.exe File opened for modification C:\Program Files\7-Zip\Lang\lv.txt sktmbfnncjca.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\sr-Latn-RS\_RECoVERY_+ipcup.txt sktmbfnncjca.exe File opened for modification C:\Program Files\Common Files\microsoft shared\MSInfo\es-ES\_RECoVERY_+ipcup.txt sktmbfnncjca.exe File opened for modification C:\Program Files\Common Files\microsoft shared\Triedit\_RECoVERY_+ipcup.html sktmbfnncjca.exe File opened for modification C:\Program Files\Common Files\microsoft shared\MSInfo\ja-JP\_RECoVERY_+ipcup.txt sktmbfnncjca.exe File opened for modification C:\Program Files\Common Files\System\msadc\fr-FR\_RECoVERY_+ipcup.png sktmbfnncjca.exe File opened for modification C:\Program Files\Common Files\System\_RECoVERY_+ipcup.html sktmbfnncjca.exe File opened for modification C:\Program Files\7-Zip\Lang\ja.txt sktmbfnncjca.exe File opened for modification C:\Program Files\7-Zip\Lang\ka.txt sktmbfnncjca.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\en-US\_RECoVERY_+ipcup.txt sktmbfnncjca.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\ru-RU\_RECoVERY_+ipcup.html sktmbfnncjca.exe File opened for modification C:\Program Files\Common Files\System\Ole DB\en-US\_RECoVERY_+ipcup.html sktmbfnncjca.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\el-GR\_RECoVERY_+ipcup.html sktmbfnncjca.exe File opened for modification C:\Program Files\Common Files\System\ado\ja-JP\_RECoVERY_+ipcup.txt sktmbfnncjca.exe File opened for modification C:\Program Files\7-Zip\Lang\be.txt sktmbfnncjca.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\uk-UA\_RECoVERY_+ipcup.txt sktmbfnncjca.exe File opened for modification C:\Program Files\7-Zip\Lang\az.txt sktmbfnncjca.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\da-DK\_RECoVERY_+ipcup.txt sktmbfnncjca.exe File opened for modification C:\Program Files\Common Files\microsoft shared\VC\_RECoVERY_+ipcup.txt sktmbfnncjca.exe File opened for modification C:\Program Files\7-Zip\Lang\hu.txt sktmbfnncjca.exe File opened for modification C:\Program Files\Common Files\System\Ole DB\es-ES\_RECoVERY_+ipcup.png sktmbfnncjca.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\osknumpad\_RECoVERY_+ipcup.png sktmbfnncjca.exe File opened for modification C:\Program Files\Common Files\microsoft shared\VSTO\_RECoVERY_+ipcup.png sktmbfnncjca.exe File opened for modification C:\Program Files\Common Files\System\it-IT\_RECoVERY_+ipcup.png sktmbfnncjca.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\hr-HR\_RECoVERY_+ipcup.png sktmbfnncjca.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\HWRCustomization\_RECoVERY_+ipcup.html sktmbfnncjca.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\lt-LT\_RECoVERY_+ipcup.png sktmbfnncjca.exe File opened for modification C:\Program Files\Common Files\System\Ole DB\it-IT\_RECoVERY_+ipcup.png sktmbfnncjca.exe File opened for modification C:\Program Files\7-Zip\Lang\ar.txt sktmbfnncjca.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\_RECoVERY_+ipcup.png sktmbfnncjca.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\zh-TW\_RECoVERY_+ipcup.png sktmbfnncjca.exe File opened for modification C:\Program Files\Common Files\microsoft shared\MSInfo\ja-JP\_RECoVERY_+ipcup.png sktmbfnncjca.exe File opened for modification C:\Program Files\Common Files\microsoft shared\VC\_RECoVERY_+ipcup.png sktmbfnncjca.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\fr-CA\_RECoVERY_+ipcup.html sktmbfnncjca.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\sktmbfnncjca.exe cbb69a74a9f8ec04cb71f5857eb55b6ed399dbf92ed6ed2de0738c3b5f9a2b43.exe File opened for modification C:\Windows\sktmbfnncjca.exe cbb69a74a9f8ec04cb71f5857eb55b6ed399dbf92ed6ed2de0738c3b5f9a2b43.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 58 IoCs
pid Process 2140 sktmbfnncjca.exe 2140 sktmbfnncjca.exe 2140 sktmbfnncjca.exe 2140 sktmbfnncjca.exe 2140 sktmbfnncjca.exe 2140 sktmbfnncjca.exe 2140 sktmbfnncjca.exe 2140 sktmbfnncjca.exe 2140 sktmbfnncjca.exe 2140 sktmbfnncjca.exe 2140 sktmbfnncjca.exe 2140 sktmbfnncjca.exe 2140 sktmbfnncjca.exe 2140 sktmbfnncjca.exe 2140 sktmbfnncjca.exe 2140 sktmbfnncjca.exe 2140 sktmbfnncjca.exe 2140 sktmbfnncjca.exe 2140 sktmbfnncjca.exe 2140 sktmbfnncjca.exe 2140 sktmbfnncjca.exe 2140 sktmbfnncjca.exe 2140 sktmbfnncjca.exe 2140 sktmbfnncjca.exe 2140 sktmbfnncjca.exe 2140 sktmbfnncjca.exe 2140 sktmbfnncjca.exe 2140 sktmbfnncjca.exe 2140 sktmbfnncjca.exe 2140 sktmbfnncjca.exe 2140 sktmbfnncjca.exe 2140 sktmbfnncjca.exe 2140 sktmbfnncjca.exe 2140 sktmbfnncjca.exe 2140 sktmbfnncjca.exe 2140 sktmbfnncjca.exe 2140 sktmbfnncjca.exe 2140 sktmbfnncjca.exe 2140 sktmbfnncjca.exe 2140 sktmbfnncjca.exe 2140 sktmbfnncjca.exe 2140 sktmbfnncjca.exe 2140 sktmbfnncjca.exe 2140 sktmbfnncjca.exe 2140 sktmbfnncjca.exe 2140 sktmbfnncjca.exe 2140 sktmbfnncjca.exe 2140 sktmbfnncjca.exe 2140 sktmbfnncjca.exe 2140 sktmbfnncjca.exe 2140 sktmbfnncjca.exe 2140 sktmbfnncjca.exe 2140 sktmbfnncjca.exe 2140 sktmbfnncjca.exe 2140 sktmbfnncjca.exe 2140 sktmbfnncjca.exe 2140 sktmbfnncjca.exe 2140 sktmbfnncjca.exe -
Suspicious use of AdjustPrivilegeToken 47 IoCs
description pid Process Token: SeDebugPrivilege 4308 cbb69a74a9f8ec04cb71f5857eb55b6ed399dbf92ed6ed2de0738c3b5f9a2b43.exe Token: SeDebugPrivilege 2140 sktmbfnncjca.exe Token: SeIncreaseQuotaPrivilege 1712 WMIC.exe Token: SeSecurityPrivilege 1712 WMIC.exe Token: SeTakeOwnershipPrivilege 1712 WMIC.exe Token: SeLoadDriverPrivilege 1712 WMIC.exe Token: SeSystemProfilePrivilege 1712 WMIC.exe Token: SeSystemtimePrivilege 1712 WMIC.exe Token: SeProfSingleProcessPrivilege 1712 WMIC.exe Token: SeIncBasePriorityPrivilege 1712 WMIC.exe Token: SeCreatePagefilePrivilege 1712 WMIC.exe Token: SeBackupPrivilege 1712 WMIC.exe Token: SeRestorePrivilege 1712 WMIC.exe Token: SeShutdownPrivilege 1712 WMIC.exe Token: SeDebugPrivilege 1712 WMIC.exe Token: SeSystemEnvironmentPrivilege 1712 WMIC.exe Token: SeRemoteShutdownPrivilege 1712 WMIC.exe Token: SeUndockPrivilege 1712 WMIC.exe Token: SeManageVolumePrivilege 1712 WMIC.exe Token: 33 1712 WMIC.exe Token: 34 1712 WMIC.exe Token: 35 1712 WMIC.exe Token: 36 1712 WMIC.exe Token: SeIncreaseQuotaPrivilege 1712 WMIC.exe Token: SeSecurityPrivilege 1712 WMIC.exe Token: SeTakeOwnershipPrivilege 1712 WMIC.exe Token: SeLoadDriverPrivilege 1712 WMIC.exe Token: SeSystemProfilePrivilege 1712 WMIC.exe Token: SeSystemtimePrivilege 1712 WMIC.exe Token: SeProfSingleProcessPrivilege 1712 WMIC.exe Token: SeIncBasePriorityPrivilege 1712 WMIC.exe Token: SeCreatePagefilePrivilege 1712 WMIC.exe Token: SeBackupPrivilege 1712 WMIC.exe Token: SeRestorePrivilege 1712 WMIC.exe Token: SeShutdownPrivilege 1712 WMIC.exe Token: SeDebugPrivilege 1712 WMIC.exe Token: SeSystemEnvironmentPrivilege 1712 WMIC.exe Token: SeRemoteShutdownPrivilege 1712 WMIC.exe Token: SeUndockPrivilege 1712 WMIC.exe Token: SeManageVolumePrivilege 1712 WMIC.exe Token: 33 1712 WMIC.exe Token: 34 1712 WMIC.exe Token: 35 1712 WMIC.exe Token: 36 1712 WMIC.exe Token: SeBackupPrivilege 1168 vssvc.exe Token: SeRestorePrivilege 1168 vssvc.exe Token: SeAuditPrivilege 1168 vssvc.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 4308 wrote to memory of 2140 4308 cbb69a74a9f8ec04cb71f5857eb55b6ed399dbf92ed6ed2de0738c3b5f9a2b43.exe 83 PID 4308 wrote to memory of 2140 4308 cbb69a74a9f8ec04cb71f5857eb55b6ed399dbf92ed6ed2de0738c3b5f9a2b43.exe 83 PID 4308 wrote to memory of 2140 4308 cbb69a74a9f8ec04cb71f5857eb55b6ed399dbf92ed6ed2de0738c3b5f9a2b43.exe 83 PID 4308 wrote to memory of 4876 4308 cbb69a74a9f8ec04cb71f5857eb55b6ed399dbf92ed6ed2de0738c3b5f9a2b43.exe 84 PID 4308 wrote to memory of 4876 4308 cbb69a74a9f8ec04cb71f5857eb55b6ed399dbf92ed6ed2de0738c3b5f9a2b43.exe 84 PID 4308 wrote to memory of 4876 4308 cbb69a74a9f8ec04cb71f5857eb55b6ed399dbf92ed6ed2de0738c3b5f9a2b43.exe 84 PID 2140 wrote to memory of 1712 2140 sktmbfnncjca.exe 89 PID 2140 wrote to memory of 1712 2140 sktmbfnncjca.exe 89 -
System policy modification 1 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System sktmbfnncjca.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLinkedConnections = "1" sktmbfnncjca.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\cbb69a74a9f8ec04cb71f5857eb55b6ed399dbf92ed6ed2de0738c3b5f9a2b43.exe"C:\Users\Admin\AppData\Local\Temp\cbb69a74a9f8ec04cb71f5857eb55b6ed399dbf92ed6ed2de0738c3b5f9a2b43.exe"1⤵
- Checks computer location settings
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4308 -
C:\Windows\sktmbfnncjca.exeC:\Windows\sktmbfnncjca.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:2140 -
C:\Windows\System32\wbem\WMIC.exe"C:\Windows\System32\wbem\WMIC.exe" shadowcopy delete /nointeractive3⤵
- Suspicious use of AdjustPrivilegeToken
PID:1712
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c DEL C:\Users\Admin\AppData\Local\Temp\CBB69A~1.EXE2⤵PID:4876
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1168
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
424KB
MD5bc5293fc4535b15ad670c8a58d9d2560
SHA14ec663d224d029b3fba0ae701522439c26395c87
SHA256cbb69a74a9f8ec04cb71f5857eb55b6ed399dbf92ed6ed2de0738c3b5f9a2b43
SHA512a0ff20a077fc6f8fcff1c3321acf8ff954896764bd71923065a93a197c715d9fd044958434a026d3461fcf273f3fc69523ddb985b70033c780a1eae4e492c707
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Filesize
424KB
MD5bc5293fc4535b15ad670c8a58d9d2560
SHA14ec663d224d029b3fba0ae701522439c26395c87
SHA256cbb69a74a9f8ec04cb71f5857eb55b6ed399dbf92ed6ed2de0738c3b5f9a2b43
SHA512a0ff20a077fc6f8fcff1c3321acf8ff954896764bd71923065a93a197c715d9fd044958434a026d3461fcf273f3fc69523ddb985b70033c780a1eae4e492c707