Analysis
- max time kernel
143s - max time network
151s - platform
windows10_x64 - resource
win10v20210410 - submitted
27/05/2021, 18:52
Static task
static1
Behavioral task
behavioral1
Sample
6363b3bab3526372ad619ec540fb8588.exe
Resource
win7v20210410
Behavioral task
behavioral2
Sample
6363b3bab3526372ad619ec540fb8588.exe
Resource
win10v20210410
General
- Target 6363b3bab3526372ad619ec540fb8588.exe
- Size 817KB
- Sample210527-5d2gddp8fe
- SHA256 f88fe1b342fccf45f31b05388bbb7398da0f175ba15bf6f1d7ae367ef41aa200
- MD5 6363b3bab3526372ad619ec540fb8588
- SHA1 3c11db4e8472b457f5af322ecba242487c016a3f
- SHA512 2792482c7edad27da950753788e24280d70e115aea92ec5ccfe40c8f090d7029020a31a6a7876fe6179a1b76368a94c66581434bc5debdea6e651f15dae02d99
- MD5 SHA1 SHA512
Malware Config
Extracted
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C:\_readme.txt
- ATTENTION! Don't worry, you can return all your files! All your files like pictures, databases, documents and other important are encrypted with strongest encryption and unique key. The only method of recovering files is to purchase decrypt tool and unique key for you. This software will decrypt all your encrypted files. What guarantees you have? You can send one of your encrypted file from your PC and we decrypt it for free. But we can decrypt only 1 file for free. File must not contain valuable information. You can get and look video overview decrypt tool: https://we.tl/t-IMhsjaUZQE Price of private key and decrypt software is $980. Discount 50% available if you contact us first 72 hours, that's price for you is $490. Please note that you'll never restore your data without payment. Check your e-mail "Spam" or "Junk" folder if you don't get answer more than 6 hours. To get this software you need write on our e-mail: [email protected] Reserve e-mail address to contact us: [email protected] Your personal ID: 0299ewgfDdMVRPbSnFtySupDwbPHDki6lHhdaU8yRerXrXB00l
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https://we.tl/t-IMhsjaUZQE
Extracted
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raccoon
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1d76a465540f6a904ac9f1310fe3a3824b5b4549
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url4cnc
https://tttttt.me/kokajakprozak
Signatures
- Deletes Windows Defender Definitions 2 TTPs 1 IoCs
Uses mpcmdrun utility to delete all AV definitions.
pid Process 740 mpcmdrun.exe - Disables Task Manager via registry modification
- Downloads MZ/PE file
- Drops file in Drivers directory 1 IoCs
description ioc Process File opened for modification C:\Windows\System32\drivers\etc\hosts updatewin2.exe - Executes dropped EXE 7 IoCs
pid Process 1704 updatewin1.exe 2772 updatewin2.exe 3496 updatewin1.exe 4024 5.exe 4032 5.exe 1680 6363b3bab3526372ad619ec540fb8588.exe 2168 6363b3bab3526372ad619ec540fb8588.exe - Modifies extensions of user files 11 IoCs
Ransomware generally changes the extension on encrypted files.
description ioc Process File renamed C:\Users\Admin\Pictures\ReceiveReset.raw => C:\Users\Admin\Pictures\ReceiveReset.raw.ehiz 6363b3bab3526372ad619ec540fb8588.exe File renamed C:\Users\Admin\Pictures\StopUndo.raw => C:\Users\Admin\Pictures\StopUndo.raw.ehiz 6363b3bab3526372ad619ec540fb8588.exe File renamed C:\Users\Admin\Pictures\WatchUnprotect.png => C:\Users\Admin\Pictures\WatchUnprotect.png.ehiz 6363b3bab3526372ad619ec540fb8588.exe File renamed C:\Users\Admin\Pictures\AssertBlock.tiff => C:\Users\Admin\Pictures\AssertBlock.tiff.ehiz 6363b3bab3526372ad619ec540fb8588.exe File opened for modification C:\Users\Admin\Pictures\FindShow.tiff 6363b3bab3526372ad619ec540fb8588.exe File renamed C:\Users\Admin\Pictures\PopInstall.crw => C:\Users\Admin\Pictures\PopInstall.crw.ehiz 6363b3bab3526372ad619ec540fb8588.exe File renamed C:\Users\Admin\Pictures\OptimizeReset.tiff => C:\Users\Admin\Pictures\OptimizeReset.tiff.ehiz 6363b3bab3526372ad619ec540fb8588.exe File renamed C:\Users\Admin\Pictures\SwitchSkip.raw => C:\Users\Admin\Pictures\SwitchSkip.raw.ehiz 6363b3bab3526372ad619ec540fb8588.exe File opened for modification C:\Users\Admin\Pictures\AssertBlock.tiff 6363b3bab3526372ad619ec540fb8588.exe File renamed C:\Users\Admin\Pictures\FindShow.tiff => C:\Users\Admin\Pictures\FindShow.tiff.ehiz 6363b3bab3526372ad619ec540fb8588.exe File opened for modification C:\Users\Admin\Pictures\OptimizeReset.tiff 6363b3bab3526372ad619ec540fb8588.exe - Loads dropped DLL 6 IoCs
pid Process 4032 5.exe 4032 5.exe 4032 5.exe 4032 5.exe 4032 5.exe 4032 5.exe - Modifies file permissions 1 TTPs 1 IoCs
pid Process 4024 icacls.exe - Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\24a524dd-e253-41f2-b5d1-3cdaa141ffe5\\6363b3bab3526372ad619ec540fb8588.exe\" --AutoStart" 6363b3bab3526372ad619ec540fb8588.exe - Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Looks up external IP address via web service 5 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 12 api.2ip.ua 13 api.2ip.ua 20 api.2ip.ua 45 api.2ip.ua 46 api.2ip.ua - Suspicious use of SetThreadContext 4 IoCs
description pid Process procid_target PID 3872 set thread context of 3156 3872 6363b3bab3526372ad619ec540fb8588.exe 78 PID 8 set thread context of 1852 8 6363b3bab3526372ad619ec540fb8588.exe 83 PID 4024 set thread context of 4032 4024 5.exe 90 PID 1680 set thread context of 2168 1680 6363b3bab3526372ad619ec540fb8588.exe 104 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Delays execution with timeout.exe 1 IoCs
pid Process 1796 timeout.exe -
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349 6363b3bab3526372ad619ec540fb8588.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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 6363b3bab3526372ad619ec540fb8588.exe - Suspicious behavior: EnumeratesProcesses 18 IoCs
pid Process 3156 6363b3bab3526372ad619ec540fb8588.exe 3156 6363b3bab3526372ad619ec540fb8588.exe 1852 6363b3bab3526372ad619ec540fb8588.exe 1852 6363b3bab3526372ad619ec540fb8588.exe 3392 powershell.exe 3392 powershell.exe 3392 powershell.exe 3392 powershell.exe 1848 powershell.exe 1848 powershell.exe 1848 powershell.exe 2160 powershell.exe 2160 powershell.exe 2160 powershell.exe 1852 6363b3bab3526372ad619ec540fb8588.exe 1852 6363b3bab3526372ad619ec540fb8588.exe 2168 6363b3bab3526372ad619ec540fb8588.exe 2168 6363b3bab3526372ad619ec540fb8588.exe - Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 3392 powershell.exe Token: SeDebugPrivilege 1848 powershell.exe Token: SeDebugPrivilege 2160 powershell.exe - Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 3872 wrote to memory of 3156 3872 6363b3bab3526372ad619ec540fb8588.exe 78 PID 3872 wrote to memory of 3156 3872 6363b3bab3526372ad619ec540fb8588.exe 78 PID 3872 wrote to memory of 3156 3872 6363b3bab3526372ad619ec540fb8588.exe 78 PID 3872 wrote to memory of 3156 3872 6363b3bab3526372ad619ec540fb8588.exe 78 PID 3872 wrote to memory of 3156 3872 6363b3bab3526372ad619ec540fb8588.exe 78 PID 3872 wrote to memory of 3156 3872 6363b3bab3526372ad619ec540fb8588.exe 78 PID 3872 wrote to memory of 3156 3872 6363b3bab3526372ad619ec540fb8588.exe 78 PID 3872 wrote to memory of 3156 3872 6363b3bab3526372ad619ec540fb8588.exe 78 PID 3872 wrote to memory of 3156 3872 6363b3bab3526372ad619ec540fb8588.exe 78 PID 3872 wrote to memory of 3156 3872 6363b3bab3526372ad619ec540fb8588.exe 78 PID 3156 wrote to memory of 4024 3156 6363b3bab3526372ad619ec540fb8588.exe 79 PID 3156 wrote to memory of 4024 3156 6363b3bab3526372ad619ec540fb8588.exe 79 PID 3156 wrote to memory of 4024 3156 6363b3bab3526372ad619ec540fb8588.exe 79 PID 3156 wrote to memory of 8 3156 6363b3bab3526372ad619ec540fb8588.exe 80 PID 3156 wrote to memory of 8 3156 6363b3bab3526372ad619ec540fb8588.exe 80 PID 3156 wrote to memory of 8 3156 6363b3bab3526372ad619ec540fb8588.exe 80 PID 8 wrote to memory of 1852 8 6363b3bab3526372ad619ec540fb8588.exe 83 PID 8 wrote to memory of 1852 8 6363b3bab3526372ad619ec540fb8588.exe 83 PID 8 wrote to memory of 1852 8 6363b3bab3526372ad619ec540fb8588.exe 83 PID 8 wrote to memory of 1852 8 6363b3bab3526372ad619ec540fb8588.exe 83 PID 8 wrote to memory of 1852 8 6363b3bab3526372ad619ec540fb8588.exe 83 PID 8 wrote to memory of 1852 8 6363b3bab3526372ad619ec540fb8588.exe 83 PID 8 wrote to memory of 1852 8 6363b3bab3526372ad619ec540fb8588.exe 83 PID 8 wrote to memory of 1852 8 6363b3bab3526372ad619ec540fb8588.exe 83 PID 8 wrote to memory of 1852 8 6363b3bab3526372ad619ec540fb8588.exe 83 PID 8 wrote to memory of 1852 8 6363b3bab3526372ad619ec540fb8588.exe 83 PID 1852 wrote to memory of 1704 1852 6363b3bab3526372ad619ec540fb8588.exe 84 PID 1852 wrote to memory of 1704 1852 6363b3bab3526372ad619ec540fb8588.exe 84 PID 1852 wrote to memory of 1704 1852 6363b3bab3526372ad619ec540fb8588.exe 84 PID 1852 wrote to memory of 2772 1852 6363b3bab3526372ad619ec540fb8588.exe 85 PID 1852 wrote to memory of 2772 1852 6363b3bab3526372ad619ec540fb8588.exe 85 PID 1852 wrote to memory of 2772 1852 6363b3bab3526372ad619ec540fb8588.exe 85 PID 1704 wrote to memory of 3496 1704 updatewin1.exe 86 PID 1704 wrote to memory of 3496 1704 updatewin1.exe 86 PID 1704 wrote to memory of 3496 1704 updatewin1.exe 86 PID 1852 wrote to memory of 4024 1852 6363b3bab3526372ad619ec540fb8588.exe 87 PID 1852 wrote to memory of 4024 1852 6363b3bab3526372ad619ec540fb8588.exe 87 PID 1852 wrote to memory of 4024 1852 6363b3bab3526372ad619ec540fb8588.exe 87 PID 3496 wrote to memory of 3392 3496 updatewin1.exe 88 PID 3496 wrote to memory of 3392 3496 updatewin1.exe 88 PID 3496 wrote to memory of 3392 3496 updatewin1.exe 88 PID 4024 wrote to memory of 4032 4024 5.exe 90 PID 4024 wrote to memory of 4032 4024 5.exe 90 PID 4024 wrote to memory of 4032 4024 5.exe 90 PID 4024 wrote to memory of 4032 4024 5.exe 90 PID 4024 wrote to memory of 4032 4024 5.exe 90 PID 4024 wrote to memory of 4032 4024 5.exe 90 PID 4024 wrote to memory of 4032 4024 5.exe 90 PID 4024 wrote to memory of 4032 4024 5.exe 90 PID 4024 wrote to memory of 4032 4024 5.exe 90 PID 3496 wrote to memory of 1848 3496 updatewin1.exe 91 PID 3496 wrote to memory of 1848 3496 updatewin1.exe 91 PID 3496 wrote to memory of 1848 3496 updatewin1.exe 91 PID 1848 wrote to memory of 2160 1848 powershell.exe 93 PID 1848 wrote to memory of 2160 1848 powershell.exe 93 PID 1848 wrote to memory of 2160 1848 powershell.exe 93 PID 3496 wrote to memory of 740 3496 updatewin1.exe 95 PID 3496 wrote to memory of 740 3496 updatewin1.exe 95 PID 3496 wrote to memory of 2700 3496 updatewin1.exe 97 PID 3496 wrote to memory of 2700 3496 updatewin1.exe 97 PID 3496 wrote to memory of 2700 3496 updatewin1.exe 97 PID 4032 wrote to memory of 352 4032 5.exe 99 PID 4032 wrote to memory of 352 4032 5.exe 99 PID 4032 wrote to memory of 352 4032 5.exe 99
Processes
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C:\Users\Admin\AppData\Local\Temp\6363b3bab3526372ad619ec540fb8588.exe"C:\Users\Admin\AppData\Local\Temp\6363b3bab3526372ad619ec540fb8588.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3872 -
C:\Users\Admin\AppData\Local\Temp\6363b3bab3526372ad619ec540fb8588.exe"C:\Users\Admin\AppData\Local\Temp\6363b3bab3526372ad619ec540fb8588.exe"2⤵
- Adds Run key to start application
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3156 -
C:\Windows\SysWOW64\icacls.exeicacls "C:\Users\Admin\AppData\Local\24a524dd-e253-41f2-b5d1-3cdaa141ffe5" /deny *S-1-1-0:(OI)(CI)(DE,DC)3⤵
- Modifies file permissions
PID:4024
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C:\Users\Admin\AppData\Local\Temp\6363b3bab3526372ad619ec540fb8588.exe"C:\Users\Admin\AppData\Local\Temp\6363b3bab3526372ad619ec540fb8588.exe" --Admin IsNotAutoStart IsNotTask3⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:8 -
C:\Users\Admin\AppData\Local\Temp\6363b3bab3526372ad619ec540fb8588.exe"C:\Users\Admin\AppData\Local\Temp\6363b3bab3526372ad619ec540fb8588.exe" --Admin IsNotAutoStart IsNotTask4⤵
- Modifies extensions of user files
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1852 -
C:\Users\Admin\AppData\Local\077472c3-c019-4bce-952f-6b01b51dba81\updatewin1.exe"C:\Users\Admin\AppData\Local\077472c3-c019-4bce-952f-6b01b51dba81\updatewin1.exe"5⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1704 -
C:\Users\Admin\AppData\Local\077472c3-c019-4bce-952f-6b01b51dba81\updatewin1.exe"C:\Users\Admin\AppData\Local\077472c3-c019-4bce-952f-6b01b51dba81\updatewin1.exe" --Admin6⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3496 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -Command Set-ExecutionPolicy -Scope CurrentUser RemoteSigned7⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3392
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -NoProfile -ExecutionPolicy Bypass -Command "& {Start-Process PowerShell -ArgumentList '-NoProfile -ExecutionPolicy Bypass -File ""C:\Users\Admin\AppData\Local\script.ps1""' -Verb RunAs}"7⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1848 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -ExecutionPolicy Bypass -File "C:\Users\Admin\AppData\Local\script.ps18⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2160
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C:\Program Files\Windows Defender\mpcmdrun.exe"C:\Program Files\Windows Defender\mpcmdrun.exe" -removedefinitions -all7⤵
- Deletes Windows Defender Definitions
PID:740
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\delself.bat""7⤵PID:2700
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C:\Users\Admin\AppData\Local\077472c3-c019-4bce-952f-6b01b51dba81\updatewin2.exe"C:\Users\Admin\AppData\Local\077472c3-c019-4bce-952f-6b01b51dba81\updatewin2.exe"5⤵
- Drops file in Drivers directory
- Executes dropped EXE
PID:2772
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C:\Users\Admin\AppData\Local\077472c3-c019-4bce-952f-6b01b51dba81\5.exe"C:\Users\Admin\AppData\Local\077472c3-c019-4bce-952f-6b01b51dba81\5.exe"5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4024 -
C:\Users\Admin\AppData\Local\077472c3-c019-4bce-952f-6b01b51dba81\5.exe"C:\Users\Admin\AppData\Local\077472c3-c019-4bce-952f-6b01b51dba81\5.exe"6⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:4032 -
C:\Windows\SysWOW64\cmd.execmd.exe /C timeout /T 10 /NOBREAK > Nul & Del /f /q "C:\Users\Admin\AppData\Local\077472c3-c019-4bce-952f-6b01b51dba81\5.exe"7⤵PID:352
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C:\Windows\SysWOW64\timeout.exetimeout /T 10 /NOBREAK8⤵
- Delays execution with timeout.exe
PID:1796
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C:\Users\Admin\AppData\Local\24a524dd-e253-41f2-b5d1-3cdaa141ffe5\6363b3bab3526372ad619ec540fb8588.exeC:\Users\Admin\AppData\Local\24a524dd-e253-41f2-b5d1-3cdaa141ffe5\6363b3bab3526372ad619ec540fb8588.exe --Task1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
PID:1680 -
C:\Users\Admin\AppData\Local\24a524dd-e253-41f2-b5d1-3cdaa141ffe5\6363b3bab3526372ad619ec540fb8588.exeC:\Users\Admin\AppData\Local\24a524dd-e253-41f2-b5d1-3cdaa141ffe5\6363b3bab3526372ad619ec540fb8588.exe --Task2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:2168
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