Analysis
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max time kernel
152s -
max time network
174s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
12-07-2022 05:17
Static task
static1
Behavioral task
behavioral1
Sample
4cbacc05d5e64567a4eb432fa7b6581b5adcf89361eaf7b31ff9cb4757dbad2a.exe
Resource
win7-20220414-en
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
4cbacc05d5e64567a4eb432fa7b6581b5adcf89361eaf7b31ff9cb4757dbad2a.exe
Resource
win10v2004-20220414-en
windows10-2004_x64
0 signatures
0 seconds
General
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Target
4cbacc05d5e64567a4eb432fa7b6581b5adcf89361eaf7b31ff9cb4757dbad2a.exe
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Size
243KB
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MD5
1b6e3083fa4592a7929a0a778c1e5cf3
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SHA1
a5513ad4ad73626ae4f8c8c325cf4d0d6c0c595b
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SHA256
4cbacc05d5e64567a4eb432fa7b6581b5adcf89361eaf7b31ff9cb4757dbad2a
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SHA512
f4e4c6cb5f5d8e464bd6235086c5b08e341f9ba5c93063617a829107862a6372587209a4ccf25296f9014a4234669995109484eaf085c301f1d6b36abfbcc37e
Score
10/10
Malware Config
Extracted
Path
C:\$Recycle.Bin\S-1-5-21-2277218442-1199762539-2004043321-1000\Recovery+ujkrr.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 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://gwe32fdr74bhfsyujb34gfszfv.zatcurr.com/3B693A976AB83E9B
2. http://tes543berda73i48fsdfsd.keratadze.at/3B693A976AB83E9B
3. http://tt54rfdjhb34rfbnknaerg.milerteddy.com/3B693A976AB83E9B
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/3B693A976AB83E9B
4. Follow the instructions on the site.
---------------- IMPORTANT INFORMATION------------------------
*-*-* Your personal pages:
http://gwe32fdr74bhfsyujb34gfszfv.zatcurr.com/3B693A976AB83E9B
http://tes543berda73i48fsdfsd.keratadze.at/3B693A976AB83E9B
http://tt54rfdjhb34rfbnknaerg.milerteddy.com/3B693A976AB83E9B
*-*-* Your personal page Tor-Browser: xlowfznrg4wf7dli.ONION/3B693A976AB83E9B
URLs
http://gwe32fdr74bhfsyujb34gfszfv.zatcurr.com/3B693A976AB83E9B
http://tes543berda73i48fsdfsd.keratadze.at/3B693A976AB83E9B
http://tt54rfdjhb34rfbnknaerg.milerteddy.com/3B693A976AB83E9B
http://xlowfznrg4wf7dli.ONION/3B693A976AB83E9B
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
Processes:
riycvbqugjrn.exepid Process 940 riycvbqugjrn.exe -
Deletes itself 1 IoCs
Processes:
cmd.exepid Process 1268 cmd.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
riycvbqugjrn.exedescription ioc Process Key created \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows\CurrentVersion\Run riycvbqugjrn.exe Set value (str) \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows\CurrentVersion\Run\kqltwvxkgsyk = "C:\\Windows\\system32\\cmd.exe /c start \"\" \"C:\\Windows\\riycvbqugjrn.exe\"" riycvbqugjrn.exe -
Drops file in Program Files directory 64 IoCs
Processes:
riycvbqugjrn.exedescription ioc Process File opened for modification C:\Program Files\7-Zip\Lang\si.txt riycvbqugjrn.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\VSTO\10.0\Recovery+ujkrr.html riycvbqugjrn.exe File opened for modification C:\Program Files\7-Zip\Lang\ja.txt riycvbqugjrn.exe File opened for modification C:\Program Files\7-Zip\Lang\mn.txt riycvbqugjrn.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\fsdefinitions\auxpad\Recovery+ujkrr.html riycvbqugjrn.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\Stationery\Garden.jpg riycvbqugjrn.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\ja-JP\Recovery+ujkrr.png riycvbqugjrn.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\tr-TR\Recovery+ujkrr.png riycvbqugjrn.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\TextConv\en-US\Recovery+ujkrr.html riycvbqugjrn.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\VSTO\Recovery+ujkrr.txt riycvbqugjrn.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\fsdefinitions\main\Recovery+ujkrr.png riycvbqugjrn.exe File opened for modification C:\Program Files\Common Files\SpeechEngines\Microsoft\TTS20\es-ES\Recovery+ujkrr.txt riycvbqugjrn.exe File opened for modification C:\Program Files\Common Files\System\Ole DB\es-ES\Recovery+ujkrr.txt riycvbqugjrn.exe File opened for modification C:\Program Files\7-Zip\Lang\mng2.txt riycvbqugjrn.exe File opened for modification C:\Program Files\7-Zip\Lang\ps.txt riycvbqugjrn.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\ar-SA\Recovery+ujkrr.txt riycvbqugjrn.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\de-DE\Recovery+ujkrr.png riycvbqugjrn.exe File opened for modification C:\Program Files\7-Zip\Lang\et.txt riycvbqugjrn.exe File opened for modification C:\Program Files\7-Zip\Lang\sr-spl.txt riycvbqugjrn.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\Triedit\de-DE\Recovery+ujkrr.txt riycvbqugjrn.exe File opened for modification C:\Program Files\Common Files\System\msadc\Recovery+ujkrr.png riycvbqugjrn.exe File opened for modification C:\Program Files\7-Zip\Lang\sa.txt riycvbqugjrn.exe File opened for modification C:\Program Files\7-Zip\Lang\zh-tw.txt riycvbqugjrn.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\nb-NO\Recovery+ujkrr.png riycvbqugjrn.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\Stationery\Peacock.jpg riycvbqugjrn.exe File opened for modification C:\Program Files\Common Files\SpeechEngines\Microsoft\TTS20\fr-FR\Recovery+ujkrr.html riycvbqugjrn.exe File opened for modification C:\Program Files\Common Files\Recovery+ujkrr.png riycvbqugjrn.exe File opened for modification C:\Program Files\7-Zip\Lang\da.txt riycvbqugjrn.exe File opened for modification C:\Program Files\7-Zip\Lang\mr.txt riycvbqugjrn.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\fsdefinitions\oskmenu\Recovery+ujkrr.png riycvbqugjrn.exe File opened for modification C:\Program Files\Common Files\System\msadc\de-DE\Recovery+ujkrr.txt riycvbqugjrn.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\Stationery\White_Chocolate.jpg riycvbqugjrn.exe File opened for modification C:\Program Files\Common Files\System\Ole DB\ja-JP\Recovery+ujkrr.html riycvbqugjrn.exe File opened for modification C:\Program Files\7-Zip\Lang\fur.txt riycvbqugjrn.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\fr-FR\Recovery+ujkrr.png riycvbqugjrn.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\Recovery+ujkrr.png riycvbqugjrn.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\OFFICE14\Cultures\Recovery+ujkrr.png riycvbqugjrn.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\Stationery\HandPrints.jpg riycvbqugjrn.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\Stationery\Notebook.jpg riycvbqugjrn.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\pl-PL\Recovery+ujkrr.png riycvbqugjrn.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\ru-RU\Recovery+ujkrr.png riycvbqugjrn.exe File opened for modification C:\Program Files\Common Files\System\msadc\Recovery+ujkrr.txt riycvbqugjrn.exe File opened for modification C:\Program Files\7-Zip\Lang\lv.txt riycvbqugjrn.exe File opened for modification C:\Program Files\ClearSwitch.txt riycvbqugjrn.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\fr-FR\Recovery+ujkrr.txt riycvbqugjrn.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\nb-NO\Recovery+ujkrr.txt riycvbqugjrn.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\ko-KR\Recovery+ujkrr.png riycvbqugjrn.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\VGX\Recovery+ujkrr.html riycvbqugjrn.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\Recovery+ujkrr.txt riycvbqugjrn.exe File opened for modification C:\Program Files\Common Files\System\msadc\ja-JP\Recovery+ujkrr.png riycvbqugjrn.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\Recovery+ujkrr.html riycvbqugjrn.exe File opened for modification C:\Program Files\7-Zip\Lang\cy.txt riycvbqugjrn.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\da-DK\Recovery+ujkrr.png riycvbqugjrn.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\fr-FR\Recovery+ujkrr.html riycvbqugjrn.exe File opened for modification C:\Program Files\Common Files\System\Ole DB\it-IT\Recovery+ujkrr.html riycvbqugjrn.exe File opened for modification C:\Program Files\7-Zip\Lang\eo.txt riycvbqugjrn.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\Stationery\Pine_Lumber.jpg riycvbqugjrn.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\TextConv\it-IT\Recovery+ujkrr.html riycvbqugjrn.exe File opened for modification C:\Program Files\7-Zip\Lang\ru.txt riycvbqugjrn.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\ro-RO\Recovery+ujkrr.txt riycvbqugjrn.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\sl-SI\Recovery+ujkrr.png riycvbqugjrn.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\Stationery\ShadesOfBlue.jpg riycvbqugjrn.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\uk-UA\Recovery+ujkrr.html riycvbqugjrn.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\Triedit\es-ES\Recovery+ujkrr.png riycvbqugjrn.exe -
Drops file in Windows directory 2 IoCs
Processes:
4cbacc05d5e64567a4eb432fa7b6581b5adcf89361eaf7b31ff9cb4757dbad2a.exedescription ioc Process File created C:\Windows\riycvbqugjrn.exe 4cbacc05d5e64567a4eb432fa7b6581b5adcf89361eaf7b31ff9cb4757dbad2a.exe File opened for modification C:\Windows\riycvbqugjrn.exe 4cbacc05d5e64567a4eb432fa7b6581b5adcf89361eaf7b31ff9cb4757dbad2a.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 64 IoCs
Processes:
riycvbqugjrn.exepid Process 940 riycvbqugjrn.exe 940 riycvbqugjrn.exe 940 riycvbqugjrn.exe 940 riycvbqugjrn.exe 940 riycvbqugjrn.exe 940 riycvbqugjrn.exe 940 riycvbqugjrn.exe 940 riycvbqugjrn.exe 940 riycvbqugjrn.exe 940 riycvbqugjrn.exe 940 riycvbqugjrn.exe 940 riycvbqugjrn.exe 940 riycvbqugjrn.exe 940 riycvbqugjrn.exe 940 riycvbqugjrn.exe 940 riycvbqugjrn.exe 940 riycvbqugjrn.exe 940 riycvbqugjrn.exe 940 riycvbqugjrn.exe 940 riycvbqugjrn.exe 940 riycvbqugjrn.exe 940 riycvbqugjrn.exe 940 riycvbqugjrn.exe 940 riycvbqugjrn.exe 940 riycvbqugjrn.exe 940 riycvbqugjrn.exe 940 riycvbqugjrn.exe 940 riycvbqugjrn.exe 940 riycvbqugjrn.exe 940 riycvbqugjrn.exe 940 riycvbqugjrn.exe 940 riycvbqugjrn.exe 940 riycvbqugjrn.exe 940 riycvbqugjrn.exe 940 riycvbqugjrn.exe 940 riycvbqugjrn.exe 940 riycvbqugjrn.exe 940 riycvbqugjrn.exe 940 riycvbqugjrn.exe 940 riycvbqugjrn.exe 940 riycvbqugjrn.exe 940 riycvbqugjrn.exe 940 riycvbqugjrn.exe 940 riycvbqugjrn.exe 940 riycvbqugjrn.exe 940 riycvbqugjrn.exe 940 riycvbqugjrn.exe 940 riycvbqugjrn.exe 940 riycvbqugjrn.exe 940 riycvbqugjrn.exe 940 riycvbqugjrn.exe 940 riycvbqugjrn.exe 940 riycvbqugjrn.exe 940 riycvbqugjrn.exe 940 riycvbqugjrn.exe 940 riycvbqugjrn.exe 940 riycvbqugjrn.exe 940 riycvbqugjrn.exe 940 riycvbqugjrn.exe 940 riycvbqugjrn.exe 940 riycvbqugjrn.exe 940 riycvbqugjrn.exe 940 riycvbqugjrn.exe 940 riycvbqugjrn.exe -
Suspicious use of AdjustPrivilegeToken 45 IoCs
Processes:
4cbacc05d5e64567a4eb432fa7b6581b5adcf89361eaf7b31ff9cb4757dbad2a.exeriycvbqugjrn.exeWMIC.exevssvc.exedescription pid Process Token: SeDebugPrivilege 1832 4cbacc05d5e64567a4eb432fa7b6581b5adcf89361eaf7b31ff9cb4757dbad2a.exe Token: SeDebugPrivilege 940 riycvbqugjrn.exe Token: SeIncreaseQuotaPrivilege 1872 WMIC.exe Token: SeSecurityPrivilege 1872 WMIC.exe Token: SeTakeOwnershipPrivilege 1872 WMIC.exe Token: SeLoadDriverPrivilege 1872 WMIC.exe Token: SeSystemProfilePrivilege 1872 WMIC.exe Token: SeSystemtimePrivilege 1872 WMIC.exe Token: SeProfSingleProcessPrivilege 1872 WMIC.exe Token: SeIncBasePriorityPrivilege 1872 WMIC.exe Token: SeCreatePagefilePrivilege 1872 WMIC.exe Token: SeBackupPrivilege 1872 WMIC.exe Token: SeRestorePrivilege 1872 WMIC.exe Token: SeShutdownPrivilege 1872 WMIC.exe Token: SeDebugPrivilege 1872 WMIC.exe Token: SeSystemEnvironmentPrivilege 1872 WMIC.exe Token: SeRemoteShutdownPrivilege 1872 WMIC.exe Token: SeUndockPrivilege 1872 WMIC.exe Token: SeManageVolumePrivilege 1872 WMIC.exe Token: 33 1872 WMIC.exe Token: 34 1872 WMIC.exe Token: 35 1872 WMIC.exe Token: SeIncreaseQuotaPrivilege 1872 WMIC.exe Token: SeSecurityPrivilege 1872 WMIC.exe Token: SeTakeOwnershipPrivilege 1872 WMIC.exe Token: SeLoadDriverPrivilege 1872 WMIC.exe Token: SeSystemProfilePrivilege 1872 WMIC.exe Token: SeSystemtimePrivilege 1872 WMIC.exe Token: SeProfSingleProcessPrivilege 1872 WMIC.exe Token: SeIncBasePriorityPrivilege 1872 WMIC.exe Token: SeCreatePagefilePrivilege 1872 WMIC.exe Token: SeBackupPrivilege 1872 WMIC.exe Token: SeRestorePrivilege 1872 WMIC.exe Token: SeShutdownPrivilege 1872 WMIC.exe Token: SeDebugPrivilege 1872 WMIC.exe Token: SeSystemEnvironmentPrivilege 1872 WMIC.exe Token: SeRemoteShutdownPrivilege 1872 WMIC.exe Token: SeUndockPrivilege 1872 WMIC.exe Token: SeManageVolumePrivilege 1872 WMIC.exe Token: 33 1872 WMIC.exe Token: 34 1872 WMIC.exe Token: 35 1872 WMIC.exe Token: SeBackupPrivilege 572 vssvc.exe Token: SeRestorePrivilege 572 vssvc.exe Token: SeAuditPrivilege 572 vssvc.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
4cbacc05d5e64567a4eb432fa7b6581b5adcf89361eaf7b31ff9cb4757dbad2a.exeriycvbqugjrn.exedescription pid Process procid_target PID 1832 wrote to memory of 940 1832 4cbacc05d5e64567a4eb432fa7b6581b5adcf89361eaf7b31ff9cb4757dbad2a.exe 28 PID 1832 wrote to memory of 940 1832 4cbacc05d5e64567a4eb432fa7b6581b5adcf89361eaf7b31ff9cb4757dbad2a.exe 28 PID 1832 wrote to memory of 940 1832 4cbacc05d5e64567a4eb432fa7b6581b5adcf89361eaf7b31ff9cb4757dbad2a.exe 28 PID 1832 wrote to memory of 940 1832 4cbacc05d5e64567a4eb432fa7b6581b5adcf89361eaf7b31ff9cb4757dbad2a.exe 28 PID 1832 wrote to memory of 1268 1832 4cbacc05d5e64567a4eb432fa7b6581b5adcf89361eaf7b31ff9cb4757dbad2a.exe 29 PID 1832 wrote to memory of 1268 1832 4cbacc05d5e64567a4eb432fa7b6581b5adcf89361eaf7b31ff9cb4757dbad2a.exe 29 PID 1832 wrote to memory of 1268 1832 4cbacc05d5e64567a4eb432fa7b6581b5adcf89361eaf7b31ff9cb4757dbad2a.exe 29 PID 1832 wrote to memory of 1268 1832 4cbacc05d5e64567a4eb432fa7b6581b5adcf89361eaf7b31ff9cb4757dbad2a.exe 29 PID 940 wrote to memory of 1872 940 riycvbqugjrn.exe 31 PID 940 wrote to memory of 1872 940 riycvbqugjrn.exe 31 PID 940 wrote to memory of 1872 940 riycvbqugjrn.exe 31 PID 940 wrote to memory of 1872 940 riycvbqugjrn.exe 31 -
System policy modification 1 TTPs 2 IoCs
Processes:
riycvbqugjrn.exedescription ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System riycvbqugjrn.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLinkedConnections = "1" riycvbqugjrn.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\4cbacc05d5e64567a4eb432fa7b6581b5adcf89361eaf7b31ff9cb4757dbad2a.exe"C:\Users\Admin\AppData\Local\Temp\4cbacc05d5e64567a4eb432fa7b6581b5adcf89361eaf7b31ff9cb4757dbad2a.exe"1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1832 -
C:\Windows\riycvbqugjrn.exeC:\Windows\riycvbqugjrn.exe2⤵
- 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:940 -
C:\Windows\System32\wbem\WMIC.exe"C:\Windows\System32\wbem\WMIC.exe" shadowcopy delete /nointeractive3⤵
- Suspicious use of AdjustPrivilegeToken
PID:1872
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c DEL C:\Users\Admin\AppData\Local\Temp\4CBACC~1.EXE2⤵
- Deletes itself
PID:1268
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:572
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
243KB
MD51b6e3083fa4592a7929a0a778c1e5cf3
SHA1a5513ad4ad73626ae4f8c8c325cf4d0d6c0c595b
SHA2564cbacc05d5e64567a4eb432fa7b6581b5adcf89361eaf7b31ff9cb4757dbad2a
SHA512f4e4c6cb5f5d8e464bd6235086c5b08e341f9ba5c93063617a829107862a6372587209a4ccf25296f9014a4234669995109484eaf085c301f1d6b36abfbcc37e
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Filesize
243KB
MD51b6e3083fa4592a7929a0a778c1e5cf3
SHA1a5513ad4ad73626ae4f8c8c325cf4d0d6c0c595b
SHA2564cbacc05d5e64567a4eb432fa7b6581b5adcf89361eaf7b31ff9cb4757dbad2a
SHA512f4e4c6cb5f5d8e464bd6235086c5b08e341f9ba5c93063617a829107862a6372587209a4ccf25296f9014a4234669995109484eaf085c301f1d6b36abfbcc37e