Analysis
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max time kernel
185s -
max time network
193s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220113 -
submitted
11-02-2022 06:58
Static task
static1
Behavioral task
behavioral1
Sample
491682e4990a7cca7b5ea6d82fe56cb030023a5a497a9a73a733ac89ea5c68c7.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
491682e4990a7cca7b5ea6d82fe56cb030023a5a497a9a73a733ac89ea5c68c7.exe
Resource
win10v2004-en-20220113
General
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Target
491682e4990a7cca7b5ea6d82fe56cb030023a5a497a9a73a733ac89ea5c68c7.exe
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Size
50KB
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MD5
656ee1e1c5e105e256835db00b7c6e2d
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SHA1
6f5340a175ea4b285787b38575a0073cd30af79f
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SHA256
491682e4990a7cca7b5ea6d82fe56cb030023a5a497a9a73a733ac89ea5c68c7
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SHA512
30f22b2fd87e8fee932fc435762d210afb5cec1b694782f874d893da230f838e45e633999a1cc503b68816ca5f811d06685f2c050bf7a2da68eb23bfcbe74806
Malware Config
Extracted
C:\HOW_TO_BACK_FILES.txt
Signatures
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GlobeImposter
GlobeImposter is a ransomware first seen in 2017.
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Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs
description pid Process procid_target PID 4968 created 3040 4968 WerFault.exe 98 -
Modifies extensions of user files 3 IoCs
Ransomware generally changes the extension on encrypted files.
description ioc Process File renamed C:\Users\Admin\Pictures\MergeReceive.png => C:\Users\Admin\Pictures\MergeReceive.png.Goat4444 491682e4990a7cca7b5ea6d82fe56cb030023a5a497a9a73a733ac89ea5c68c7.exe File renamed C:\Users\Admin\Pictures\CompleteResolve.crw => C:\Users\Admin\Pictures\CompleteResolve.crw.Goat4444 491682e4990a7cca7b5ea6d82fe56cb030023a5a497a9a73a733ac89ea5c68c7.exe File renamed C:\Users\Admin\Pictures\InvokeConfirm.raw => C:\Users\Admin\Pictures\InvokeConfirm.raw.Goat4444 491682e4990a7cca7b5ea6d82fe56cb030023a5a497a9a73a733ac89ea5c68c7.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce 491682e4990a7cca7b5ea6d82fe56cb030023a5a497a9a73a733ac89ea5c68c7.exe Set value (str) \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\BrowserUpdateCheck = "C:\\Users\\Admin\\AppData\\Local\\491682e4990a7cca7b5ea6d82fe56cb030023a5a497a9a73a733ac89ea5c68c7.exe" 491682e4990a7cca7b5ea6d82fe56cb030023a5a497a9a73a733ac89ea5c68c7.exe -
Drops desktop.ini file(s) 13 IoCs
description ioc Process File opened for modification C:\Users\Public\desktop.ini 491682e4990a7cca7b5ea6d82fe56cb030023a5a497a9a73a733ac89ea5c68c7.exe File opened for modification C:\Users\Public\Videos\desktop.ini 491682e4990a7cca7b5ea6d82fe56cb030023a5a497a9a73a733ac89ea5c68c7.exe File opened for modification C:\Users\Public\Pictures\desktop.ini 491682e4990a7cca7b5ea6d82fe56cb030023a5a497a9a73a733ac89ea5c68c7.exe File opened for modification C:\Users\Public\Music\desktop.ini 491682e4990a7cca7b5ea6d82fe56cb030023a5a497a9a73a733ac89ea5c68c7.exe File opened for modification C:\Users\Public\Libraries\desktop.ini 491682e4990a7cca7b5ea6d82fe56cb030023a5a497a9a73a733ac89ea5c68c7.exe File opened for modification C:\Users\Public\Documents\desktop.ini 491682e4990a7cca7b5ea6d82fe56cb030023a5a497a9a73a733ac89ea5c68c7.exe File opened for modification C:\Users\Public\AccountPictures\desktop.ini 491682e4990a7cca7b5ea6d82fe56cb030023a5a497a9a73a733ac89ea5c68c7.exe File opened for modification C:\Users\Admin\Videos\desktop.ini 491682e4990a7cca7b5ea6d82fe56cb030023a5a497a9a73a733ac89ea5c68c7.exe File opened for modification C:\Users\Public\Downloads\desktop.ini 491682e4990a7cca7b5ea6d82fe56cb030023a5a497a9a73a733ac89ea5c68c7.exe File opened for modification C:\Users\Public\Desktop\desktop.ini 491682e4990a7cca7b5ea6d82fe56cb030023a5a497a9a73a733ac89ea5c68c7.exe File opened for modification C:\Users\Admin\Searches\desktop.ini 491682e4990a7cca7b5ea6d82fe56cb030023a5a497a9a73a733ac89ea5c68c7.exe File opened for modification C:\Users\Admin\Saved Games\desktop.ini 491682e4990a7cca7b5ea6d82fe56cb030023a5a497a9a73a733ac89ea5c68c7.exe File opened for modification C:\Users\Admin\Pictures\desktop.ini 491682e4990a7cca7b5ea6d82fe56cb030023a5a497a9a73a733ac89ea5c68c7.exe -
Drops file in Windows directory 6 IoCs
description ioc Process File opened for modification C:\Windows\SoftwareDistribution\DataStore\DataStore.jfm svchost.exe File opened for modification C:\Windows\SoftwareDistribution\ReportingEvents.log svchost.exe File opened for modification C:\Windows\WindowsUpdate.log svchost.exe File opened for modification C:\Windows\SoftwareDistribution\DataStore\Logs\edb.chk svchost.exe File opened for modification C:\Windows\SoftwareDistribution\DataStore\Logs\edb.log svchost.exe File opened for modification C:\Windows\SoftwareDistribution\DataStore\DataStore.edb svchost.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 4352 3040 WerFault.exe 98 -
Enumerates system info in registry 2 TTPs 4 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS SearchApp.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU SearchApp.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS SearchApp.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU SearchApp.exe -
Modifies data under HKEY_USERS 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-19\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections svchost.exe -
Modifies registry class 31 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.search_cw5n1h2txyewy\Internet Explorer\EdpDomStorage\www.bing.com SearchApp.exe Set value (int) \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.search_cw5n1h2txyewy\Internet Explorer\DOMStorage\bing.com\Total = "140" SearchApp.exe Set value (int) \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.search_cw5n1h2txyewy\Internet Explorer\DOMStorage\www.bing.com\ = "173" SearchApp.exe Set value (int) \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.search_cw5n1h2txyewy\Internet Explorer\DOMStorage\Total\ = "3708" SearchApp.exe Set value (int) \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.search_cw5n1h2txyewy\Internet Explorer\DOMStorage\www.bing.com\ = "3708" SearchApp.exe Key created \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.search_cw5n1h2txyewy\Internet Explorer\DomStorageState SearchApp.exe Set value (int) \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.search_cw5n1h2txyewy\Internet Explorer\DOMStorage\Total\ = "140" SearchApp.exe Set value (str) \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.search_cw5n1h2txyewy\Internet Settings\Cache\Cookies\CachePrefix = "Cookie:" SearchApp.exe Key created \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.search_cw5n1h2txyewy\Internet Explorer\EdpDomStorage SearchApp.exe Key created \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.search_cw5n1h2txyewy\Internet Explorer\DOMStorage\www.bing.com SearchApp.exe Key created \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.search_cw5n1h2txyewy\Internet Explorer\DOMStorage\Total SearchApp.exe Set value (int) \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.search_cw5n1h2txyewy\Internet Explorer\DOMStorage\www.bing.com\ = "140" SearchApp.exe Key created \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.search_cw5n1h2txyewy\Internet Explorer\EdpDomStorage\bing.com SearchApp.exe Set value (int) \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.search_cw5n1h2txyewy\Internet Explorer\DOMStorage\bing.com\Total = "173" SearchApp.exe Set value (int) \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.search_cw5n1h2txyewy\Internet Explorer\DOMStorage\Total\ = "2688" SearchApp.exe Key created \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000_Classes\Local Settings\MuiCache SearchApp.exe Key created \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.search_cw5n1h2txyewy\SOFTWARE\Microsoft\Speech_OneCore\Isolated\ohDO1Sgy3MzgdEgEb4WYfDS4ei SearchApp.exe Key created \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.search_cw5n1h2txyewy\Internet Explorer\DOMStorage\bing.com SearchApp.exe Key created \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.search_cw5n1h2txyewy\Internet Explorer\EdpDomStorage\Total SearchApp.exe Set value (int) \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.search_cw5n1h2txyewy\Internet Explorer\DOMStorage\Total\ = "4738" SearchApp.exe Set value (str) \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.search_cw5n1h2txyewy\SOFTWARE\Microsoft\Speech_OneCore\Isolated\ohDO1Sgy3MzgdEgEb4WYfDS4ei = "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Speech_OneCore\\Recognizers\\Tokens\\MS-1033-110-WINMO-DNN" SearchApp.exe Set value (str) \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.search_cw5n1h2txyewy\Internet Settings\Cache\Content\CachePrefix SearchApp.exe Set value (int) \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.search_cw5n1h2txyewy\Internet Explorer\DOMStorage\Total\ = "173" SearchApp.exe Set value (int) \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.search_cw5n1h2txyewy\Internet Explorer\DOMStorage\bing.com\Total = "2688" SearchApp.exe Set value (int) \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.search_cw5n1h2txyewy\Internet Explorer\DOMStorage\www.bing.com\ = "4738" SearchApp.exe Key created \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000_Classes\Local Settings\MuiCache SearchApp.exe Set value (str) \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.search_cw5n1h2txyewy\Internet Settings\Cache\History\CachePrefix = "Visited:" SearchApp.exe Key created \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.search_cw5n1h2txyewy\Internet Explorer\DOMStorage SearchApp.exe Set value (int) \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.search_cw5n1h2txyewy\Internet Explorer\DOMStorage\www.bing.com\ = "2688" SearchApp.exe Set value (int) \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.search_cw5n1h2txyewy\Internet Explorer\DOMStorage\bing.com\Total = "4738" SearchApp.exe Set value (int) \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.search_cw5n1h2txyewy\Internet Explorer\DOMStorage\bing.com\Total = "3708" SearchApp.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeShutdownPrivilege 4376 svchost.exe Token: SeCreatePagefilePrivilege 4376 svchost.exe Token: SeShutdownPrivilege 4376 svchost.exe Token: SeCreatePagefilePrivilege 4376 svchost.exe Token: SeShutdownPrivilege 4376 svchost.exe Token: SeCreatePagefilePrivilege 4376 svchost.exe Token: SeTakeOwnershipPrivilege 3040 SearchApp.exe Token: SeRestorePrivilege 3040 SearchApp.exe Token: SeTakeOwnershipPrivilege 3040 SearchApp.exe Token: SeRestorePrivilege 3040 SearchApp.exe Token: SeTakeOwnershipPrivilege 3040 SearchApp.exe Token: SeRestorePrivilege 3040 SearchApp.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 3040 SearchApp.exe 3560 SearchApp.exe -
Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 4968 wrote to memory of 3040 4968 WerFault.exe 98 PID 4968 wrote to memory of 3040 4968 WerFault.exe 98 PID 3040 wrote to memory of 4352 3040 SearchApp.exe 103 PID 3040 wrote to memory of 4352 3040 SearchApp.exe 103 PID 3040 wrote to memory of 4352 3040 SearchApp.exe 103
Processes
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C:\Users\Admin\AppData\Local\Temp\491682e4990a7cca7b5ea6d82fe56cb030023a5a497a9a73a733ac89ea5c68c7.exe"C:\Users\Admin\AppData\Local\Temp\491682e4990a7cca7b5ea6d82fe56cb030023a5a497a9a73a733ac89ea5c68c7.exe"1⤵
- Modifies extensions of user files
- Adds Run key to start application
- Drops desktop.ini file(s)
PID:2584
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:4376
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C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe"C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca1⤵
- Enumerates system info in registry
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3040 -
C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -u -p 3040 -s 45202⤵
- Program crash
PID:4352
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k netsvcs -p -s BITS1⤵
- Modifies data under HKEY_USERS
PID:2520
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k appmodel -p -s camsvc1⤵PID:4432
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C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -pss -s 408 -p 3040 -ip 30401⤵
- Suspicious use of NtCreateProcessExOtherParentProcess
- Suspicious use of WriteProcessMemory
PID:4968
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C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe"C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca1⤵
- Enumerates system info in registry
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:3560
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C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -pss -s 520 -p 3560 -ip 35601⤵PID:640