Analysis
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max time kernel
150s -
max time network
156s -
platform
windows11-21h2_x64 -
resource
win11-20240412-en -
resource tags
arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system -
submitted
17/04/2024, 15:47
Static task
static1
Behavioral task
behavioral1
Sample
e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe
Resource
win10v2004-20240412-en
General
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Target
e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe
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Size
4.2MB
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MD5
1668ccef2fc9bdcfc1defa824c8e5a81
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SHA1
956525e1188ea6a6935f105a60f57b93ef53e633
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SHA256
e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349
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SHA512
231b31ae22bb5459c6cf5f5c8baa3e897522678b50a727ac5acc51bf70520c0af2a9a47e15b87fa56da3ce87bf87305f45ac020094eb895b2a73b0b1c54b51d1
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SSDEEP
98304:ez7Cg0ld9bGpeFIidtQ9zICqBAsCsR7hN5aqRYTU7A:U7NcfZtQ9LJEd3aOYT+A
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/5016-2-0x0000000005360000-0x0000000005C4B000-memory.dmp family_glupteba behavioral2/memory/5016-3-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral2/memory/5016-24-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral2/memory/5016-49-0x0000000005360000-0x0000000005C4B000-memory.dmp family_glupteba behavioral2/memory/1012-57-0x0000000005240000-0x0000000005B2B000-memory.dmp family_glupteba behavioral2/memory/1012-58-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral2/memory/5016-61-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral2/memory/1012-87-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral2/memory/1012-106-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral2/memory/1012-119-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral2/memory/1012-153-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral2/memory/4968-183-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral2/memory/4968-245-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral2/memory/4968-254-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral2/memory/4968-265-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral2/memory/4968-270-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral2/memory/4968-274-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral2/memory/4968-278-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral2/memory/4968-282-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2084 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4968 csrss.exe 1628 injector.exe 2812 windefender.exe 784 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa7d-257.dat upx behavioral2/memory/2812-263-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/784-267-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/784-275-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-243033537-3771492294-1461557691-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe Set value (str) \REGISTRY\USER\S-1-5-21-243033537-3771492294-1461557691-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe File created C:\Windows\rss\csrss.exe e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 2028 sc.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4532 schtasks.exe 1168 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time" e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2791 = "Novosibirsk Daylight Time" e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time" e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-261 = "GMT Daylight Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1862 = "Russia TZ 6 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time" e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time" e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-431 = "Iran Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-372 = "Jerusalem Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-741 = "New Zealand Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2451 = "Saint Pierre Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time" e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time" e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-572 = "China Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-232 = "Hawaiian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-752 = "Tonga Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-721 = "Central Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time" e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time" e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-462 = "Afghanistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-131 = "US Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2491 = "Aus Central W. Daylight Time" e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time" e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-661 = "Cen. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-52 = "Greenland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time" e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-722 = "Central Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1471 = "Magadan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time" e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time" e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2511 = "Lord Howe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2142 = "Transbaikal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time" e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time" e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time" e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-592 = "Malay Peninsula Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2752 = "Tomsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time" e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2321 = "Sakhalin Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-391 = "Arab Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2531 = "Chatham Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1872 = "Russia TZ 7 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time" e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-221 = "Alaskan Daylight Time" e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2896 powershell.exe 2896 powershell.exe 5016 e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe 5016 e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe 3092 powershell.exe 3092 powershell.exe 1012 e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe 1012 e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe 1012 e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe 1012 e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe 1012 e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe 1012 e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe 1012 e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe 1012 e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe 1012 e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe 1012 e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe 4032 powershell.exe 4032 powershell.exe 5108 powershell.exe 5108 powershell.exe 3112 powershell.exe 3112 powershell.exe 1116 powershell.exe 1116 powershell.exe 3608 powershell.exe 3608 powershell.exe 1628 injector.exe 1628 injector.exe 1628 injector.exe 1628 injector.exe 1628 injector.exe 1628 injector.exe 4968 csrss.exe 4968 csrss.exe 1628 injector.exe 1628 injector.exe 1628 injector.exe 1628 injector.exe 1628 injector.exe 1628 injector.exe 4968 csrss.exe 4968 csrss.exe 1628 injector.exe 1628 injector.exe 1628 injector.exe 1628 injector.exe 4968 csrss.exe 4968 csrss.exe 1628 injector.exe 1628 injector.exe 1628 injector.exe 1628 injector.exe 1628 injector.exe 1628 injector.exe 1628 injector.exe 1628 injector.exe 1628 injector.exe 1628 injector.exe 1628 injector.exe 1628 injector.exe 1628 injector.exe 1628 injector.exe 1628 injector.exe 1628 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2896 powershell.exe Token: SeDebugPrivilege 5016 e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe Token: SeImpersonatePrivilege 5016 e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe Token: SeDebugPrivilege 3092 powershell.exe Token: SeDebugPrivilege 4032 powershell.exe Token: SeDebugPrivilege 5108 powershell.exe Token: SeDebugPrivilege 3112 powershell.exe Token: SeDebugPrivilege 1116 powershell.exe Token: SeDebugPrivilege 3608 powershell.exe Token: SeSystemEnvironmentPrivilege 4968 csrss.exe Token: SeSecurityPrivilege 2028 sc.exe Token: SeSecurityPrivilege 2028 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 5016 wrote to memory of 2896 5016 e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe 82 PID 5016 wrote to memory of 2896 5016 e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe 82 PID 5016 wrote to memory of 2896 5016 e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe 82 PID 1012 wrote to memory of 3092 1012 e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe 87 PID 1012 wrote to memory of 3092 1012 e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe 87 PID 1012 wrote to memory of 3092 1012 e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe 87 PID 1012 wrote to memory of 1264 1012 e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe 90 PID 1012 wrote to memory of 1264 1012 e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe 90 PID 1264 wrote to memory of 2084 1264 cmd.exe 92 PID 1264 wrote to memory of 2084 1264 cmd.exe 92 PID 1012 wrote to memory of 4032 1012 e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe 93 PID 1012 wrote to memory of 4032 1012 e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe 93 PID 1012 wrote to memory of 4032 1012 e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe 93 PID 1012 wrote to memory of 5108 1012 e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe 95 PID 1012 wrote to memory of 5108 1012 e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe 95 PID 1012 wrote to memory of 5108 1012 e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe 95 PID 1012 wrote to memory of 4968 1012 e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe 97 PID 1012 wrote to memory of 4968 1012 e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe 97 PID 1012 wrote to memory of 4968 1012 e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe 97 PID 4968 wrote to memory of 3112 4968 csrss.exe 98 PID 4968 wrote to memory of 3112 4968 csrss.exe 98 PID 4968 wrote to memory of 3112 4968 csrss.exe 98 PID 4968 wrote to memory of 1116 4968 csrss.exe 104 PID 4968 wrote to memory of 1116 4968 csrss.exe 104 PID 4968 wrote to memory of 1116 4968 csrss.exe 104 PID 4968 wrote to memory of 3608 4968 csrss.exe 106 PID 4968 wrote to memory of 3608 4968 csrss.exe 106 PID 4968 wrote to memory of 3608 4968 csrss.exe 106 PID 4968 wrote to memory of 1628 4968 csrss.exe 108 PID 4968 wrote to memory of 1628 4968 csrss.exe 108 PID 2812 wrote to memory of 3524 2812 windefender.exe 114 PID 2812 wrote to memory of 3524 2812 windefender.exe 114 PID 2812 wrote to memory of 3524 2812 windefender.exe 114 PID 3524 wrote to memory of 2028 3524 cmd.exe 115 PID 3524 wrote to memory of 2028 3524 cmd.exe 115 PID 3524 wrote to memory of 2028 3524 cmd.exe 115 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe"C:\Users\Admin\AppData\Local\Temp\e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5016 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2896
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C:\Users\Admin\AppData\Local\Temp\e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe"C:\Users\Admin\AppData\Local\Temp\e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe"2⤵
- Adds Run key to start application
- Checks for VirtualBox DLLs, possible anti-VM trick
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1012 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3092
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C:\Windows\system32\cmd.exeC:\Windows\Sysnative\cmd.exe /C "netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes"3⤵
- Suspicious use of WriteProcessMemory
PID:1264 -
C:\Windows\system32\netsh.exenetsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes4⤵
- Modifies Windows Firewall
PID:2084
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4032
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5108
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C:\Windows\rss\csrss.exeC:\Windows\rss\csrss.exe3⤵
- Executes dropped EXE
- Adds Run key to start application
- Manipulates WinMonFS driver.
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4968 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3112
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C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:4532
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3592
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1116
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3608
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C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exeC:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe taskmgr.exe C:\Users\Admin\AppData\Local\Temp\csrss\injector\NtQuerySystemInformationHook.dll4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:1628
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C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:1168
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2812 -
C:\Windows\SysWOW64\cmd.execmd.exe /C sc sdset WinDefender D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPLOCRSDRCWDWO;;;BA)(D;;WPDT;;;BA)(A;;CCLCSWLOCRRC;;;IU)(A;;CCLCSWLOCRRC;;;SU)S:(AU;FA;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;WD)5⤵
- Suspicious use of WriteProcessMemory
PID:3524 -
C:\Windows\SysWOW64\sc.exesc sdset WinDefender D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPLOCRSDRCWDWO;;;BA)(D;;WPDT;;;BA)(A;;CCLCSWLOCRRC;;;IU)(A;;CCLCSWLOCRRC;;;SU)S:(AU;FA;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;WD)6⤵
- Launches sc.exe
- Suspicious use of AdjustPrivilegeToken
PID:2028
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:784
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5359721ecdc10c9aa23a078090fc93535
SHA107be1e5ab52f616d64d90bcee23fd29725ab367e
SHA256bed1586bc98c91462d68fc828402df28cfcf82f044302c0dff588bb85237dbdc
SHA5120df472f8bc51a97529635db316e89aa8c35df60dbbcc8a398a0a1471df379489c266fb1398fcd5e6df067a33bf671130d3cb29f03dc6c30d70cea5d96e12f979
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD557b7ad95237f7e2c33f991b915f87929
SHA1dfffc40d553264d15dcc836c0e9019184cb2dd54
SHA256da2f71f0ec421ae5c94c0a0268f6fba92e793799f75b98ac8f6ef4f635b46954
SHA512b05aa89c552f58773015eb6a394969f23ed3d46f3db1dc0f8ee0987d3a925dd39927ffd4e99fd943379d3d7a73c8c33e708965f390745e88d3d842f97b1c6f2c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b85c2fec40fd8983560883c9dcf592ea
SHA10bd0e10db4c3a68aead5482173eb05c39de9ad28
SHA256ace2c475f584881586a3b1229d4ffb11af40fae1d0bd82bde1b82a099ff02883
SHA51219dfe8abc5d9b1994f95a9e3f40424d09ca810355c024056c612df5ce640a311241d4ac885e4a2fa2f9b2626b8f4fc09018cba214c43e87dad1e973054441beb
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5cdb23267396e1c0b470d9f73686599bb
SHA1de28c14c925114c57e61cb0a3607049c0e3b1a01
SHA2561d4984e6a4703f3f6f6b6fbc5d82754310af6298820c30a713d24a9be3a9949c
SHA512df119116fb5ef2d360223df4426403e4813618a170cd26689687dc8826aac48a98a94ac6da4d0bf71a752ae95d153b8b7ab3253a99a8f3942d79bb2289e9cab6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD596f96ee49dcb2136462a33a87bd4a702
SHA11a1bf6ddb6c70761f03ba210425a0945038b410a
SHA256271dabebf0b1dcdd01679c39142d5ad25a0e210a149d34b96485323311f6acb8
SHA51222b0b654d8c25a2e2717df6a8fd18dbfd4ec5425b9d29a2f7dba4c1b889cd9990066ec19f0dd9282d3aaf294058ef9cb6a1c86b1783065b9b3e1a667ca9fc45a
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Filesize
4.2MB
MD51668ccef2fc9bdcfc1defa824c8e5a81
SHA1956525e1188ea6a6935f105a60f57b93ef53e633
SHA256e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349
SHA512231b31ae22bb5459c6cf5f5c8baa3e897522678b50a727ac5acc51bf70520c0af2a9a47e15b87fa56da3ce87bf87305f45ac020094eb895b2a73b0b1c54b51d1
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec