Analysis
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max time kernel
176s -
max time network
171s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220113 -
submitted
11-02-2022 06:35
Static task
static1
Behavioral task
behavioral1
Sample
b90a7122ef145d6f5614e2abf23823021fd1d567180c33ff3498f0682f7eb3cb.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
b90a7122ef145d6f5614e2abf23823021fd1d567180c33ff3498f0682f7eb3cb.exe
Resource
win10v2004-en-20220113
General
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Target
b90a7122ef145d6f5614e2abf23823021fd1d567180c33ff3498f0682f7eb3cb.exe
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Size
56KB
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MD5
839b30a340e8a29a3c559b5edac0e1ed
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SHA1
5189cf40248c1af99120e5650947929b7582ab4c
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SHA256
b90a7122ef145d6f5614e2abf23823021fd1d567180c33ff3498f0682f7eb3cb
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SHA512
97b84b854ab96dfceeb11ac9eba0258e2a07358ebf506da7518a22f14e6b782b221029f77687d67147142867d3ae5189541da9cdd0834c2894c75429c8a93b19
Malware Config
Extracted
C:\how_to_back_files.html
1J4c1jQy13jJegPtfpEyQb3pqSXo41Mad2
Signatures
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GlobeImposter
GlobeImposter is a ransomware first seen in 2017.
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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 b90a7122ef145d6f5614e2abf23823021fd1d567180c33ff3498f0682f7eb3cb.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\\b90a7122ef145d6f5614e2abf23823021fd1d567180c33ff3498f0682f7eb3cb.exe" b90a7122ef145d6f5614e2abf23823021fd1d567180c33ff3498f0682f7eb3cb.exe -
Drops desktop.ini file(s) 9 IoCs
description ioc Process File opened for modification C:\Users\Public\Music\desktop.ini b90a7122ef145d6f5614e2abf23823021fd1d567180c33ff3498f0682f7eb3cb.exe File opened for modification C:\Users\Public\Libraries\desktop.ini b90a7122ef145d6f5614e2abf23823021fd1d567180c33ff3498f0682f7eb3cb.exe File opened for modification C:\Users\Public\Desktop\desktop.ini b90a7122ef145d6f5614e2abf23823021fd1d567180c33ff3498f0682f7eb3cb.exe File opened for modification C:\Users\Public\AccountPictures\desktop.ini b90a7122ef145d6f5614e2abf23823021fd1d567180c33ff3498f0682f7eb3cb.exe File opened for modification C:\Users\Public\Videos\desktop.ini b90a7122ef145d6f5614e2abf23823021fd1d567180c33ff3498f0682f7eb3cb.exe File opened for modification C:\Users\Public\Pictures\desktop.ini b90a7122ef145d6f5614e2abf23823021fd1d567180c33ff3498f0682f7eb3cb.exe File opened for modification C:\Users\Public\Downloads\desktop.ini b90a7122ef145d6f5614e2abf23823021fd1d567180c33ff3498f0682f7eb3cb.exe File opened for modification C:\Users\Public\Documents\desktop.ini b90a7122ef145d6f5614e2abf23823021fd1d567180c33ff3498f0682f7eb3cb.exe File opened for modification C:\Users\Public\desktop.ini b90a7122ef145d6f5614e2abf23823021fd1d567180c33ff3498f0682f7eb3cb.exe -
Drops file in Windows directory 6 IoCs
description ioc Process File opened for modification C:\Windows\SoftwareDistribution\DataStore\DataStore.edb svchost.exe 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 -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeShutdownPrivilege 3884 svchost.exe Token: SeCreatePagefilePrivilege 3884 svchost.exe Token: SeShutdownPrivilege 3884 svchost.exe Token: SeCreatePagefilePrivilege 3884 svchost.exe Token: SeShutdownPrivilege 3884 svchost.exe Token: SeCreatePagefilePrivilege 3884 svchost.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\b90a7122ef145d6f5614e2abf23823021fd1d567180c33ff3498f0682f7eb3cb.exe"C:\Users\Admin\AppData\Local\Temp\b90a7122ef145d6f5614e2abf23823021fd1d567180c33ff3498f0682f7eb3cb.exe"1⤵
- Adds Run key to start application
- Drops desktop.ini file(s)
PID:4992
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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:3884