Analysis
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max time kernel
161s -
max time network
173s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220113 -
submitted
11-02-2022 07:04
Static task
static1
Behavioral task
behavioral1
Sample
2f2f73c80cef89cb7c13023672709e1cbc5126ae8db4d03449e2846ac8a6912d.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
2f2f73c80cef89cb7c13023672709e1cbc5126ae8db4d03449e2846ac8a6912d.exe
Resource
win10v2004-en-20220113
General
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Target
2f2f73c80cef89cb7c13023672709e1cbc5126ae8db4d03449e2846ac8a6912d.exe
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Size
55KB
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MD5
fbe8cacecbadaaa92d282b8b7b7fa186
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SHA1
9f2c9c0ebe4514583822b6ddeb971c520755b5cf
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SHA256
2f2f73c80cef89cb7c13023672709e1cbc5126ae8db4d03449e2846ac8a6912d
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SHA512
7d1b89436fc4e3606e5689e15d4bb6c8d4c791244a8b34cf6b15f0b2a7822c8c534648e158221220274b8aec7a017d76e091bd4c2d4c051f36970dd2415840c2
Malware Config
Extracted
C:\how_to_back_files.html
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 2f2f73c80cef89cb7c13023672709e1cbc5126ae8db4d03449e2846ac8a6912d.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\\2f2f73c80cef89cb7c13023672709e1cbc5126ae8db4d03449e2846ac8a6912d.exe" 2f2f73c80cef89cb7c13023672709e1cbc5126ae8db4d03449e2846ac8a6912d.exe -
Drops desktop.ini file(s) 9 IoCs
description ioc Process File opened for modification C:\Users\Public\Pictures\desktop.ini 2f2f73c80cef89cb7c13023672709e1cbc5126ae8db4d03449e2846ac8a6912d.exe File opened for modification C:\Users\Public\Documents\desktop.ini 2f2f73c80cef89cb7c13023672709e1cbc5126ae8db4d03449e2846ac8a6912d.exe File opened for modification C:\Users\Public\Desktop\desktop.ini 2f2f73c80cef89cb7c13023672709e1cbc5126ae8db4d03449e2846ac8a6912d.exe File opened for modification C:\Users\Public\AccountPictures\desktop.ini 2f2f73c80cef89cb7c13023672709e1cbc5126ae8db4d03449e2846ac8a6912d.exe File opened for modification C:\Users\Public\desktop.ini 2f2f73c80cef89cb7c13023672709e1cbc5126ae8db4d03449e2846ac8a6912d.exe File opened for modification C:\Users\Public\Music\desktop.ini 2f2f73c80cef89cb7c13023672709e1cbc5126ae8db4d03449e2846ac8a6912d.exe File opened for modification C:\Users\Public\Libraries\desktop.ini 2f2f73c80cef89cb7c13023672709e1cbc5126ae8db4d03449e2846ac8a6912d.exe File opened for modification C:\Users\Public\Downloads\desktop.ini 2f2f73c80cef89cb7c13023672709e1cbc5126ae8db4d03449e2846ac8a6912d.exe File opened for modification C:\Users\Public\Videos\desktop.ini 2f2f73c80cef89cb7c13023672709e1cbc5126ae8db4d03449e2846ac8a6912d.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 -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeShutdownPrivilege 4716 svchost.exe Token: SeCreatePagefilePrivilege 4716 svchost.exe Token: SeShutdownPrivilege 4716 svchost.exe Token: SeCreatePagefilePrivilege 4716 svchost.exe Token: SeShutdownPrivilege 4716 svchost.exe Token: SeCreatePagefilePrivilege 4716 svchost.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\2f2f73c80cef89cb7c13023672709e1cbc5126ae8db4d03449e2846ac8a6912d.exe"C:\Users\Admin\AppData\Local\Temp\2f2f73c80cef89cb7c13023672709e1cbc5126ae8db4d03449e2846ac8a6912d.exe"1⤵
- Adds Run key to start application
- Drops desktop.ini file(s)
PID:1432
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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:4716