Analysis
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max time kernel
150s -
max time network
132s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
16/05/2024, 23:48
Static task
static1
Behavioral task
behavioral1
Sample
37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe
Resource
win10v2004-20240508-en
General
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Target
37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe
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Size
4.1MB
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MD5
0ee44e1c062faea648f5228d94713879
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SHA1
a2780d4da31cf07e2d8848be096eb25776c5123c
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SHA256
37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad
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SHA512
02990a2210040628af93e7d24fcb8c53e2f742b6e29d9c96fab0a01662c9c35094e90305a985a204c13f521d4f1b0566315acd3c9ff6541b7189fa9ecbaa9c93
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SSDEEP
98304:yeUiHluf0rQLB7qDC2cDnv7XkMmFoNL2AuFwfBpDq4kblyNxxbhOzhGw:ygHncLBP5HkIsFwf3u4kByfxbhOD
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral1/memory/228-2-0x0000000002E80000-0x000000000376B000-memory.dmp family_glupteba behavioral1/memory/228-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/228-56-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/228-57-0x0000000002E80000-0x000000000376B000-memory.dmp family_glupteba behavioral1/memory/3688-134-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3688-138-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1020-223-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1020-230-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1020-234-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1020-236-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1020-238-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1020-240-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1020-242-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1020-244-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1020-246-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1020-248-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1020-250-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1020-252-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 548 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1020 csrss.exe 3940 injector.exe 1620 windefender.exe 4340 windefender.exe -
resource yara_rule behavioral1/files/0x0009000000023442-226.dat upx behavioral1/memory/1620-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4340-231-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1620-233-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4340-235-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4340-239-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe Set value (str) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\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 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 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 -
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 37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe File created C:\Windows\rss\csrss.exe 37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.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 1060 sc.exe -
pid Process 548 powershell.exe 5068 powershell.exe 3244 powershell.exe 2392 powershell.exe 5024 powershell.exe 1440 powershell.exe 4392 powershell.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 4104 schtasks.exe 4388 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time" 37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2571 = "Turks and Caicos Daylight Time" 37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-105 = "Central Brazilian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-502 = "Nepal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time" 37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2612 = "Bougainville Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-511 = "Central Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2631 = "Norfolk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-752 = "Tonga Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" 37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1842 = "Russia TZ 4 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-932 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" 37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" 37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1661 = "Bahia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1972 = "Belarus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" 37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" 37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time" 37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time" 37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time" 37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-841 = "Argentina Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-161 = "Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time" 37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" 37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" 37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" 37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-434 = "Georgian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time" 37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" 37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" 37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2751 = "Tomsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-441 = "Arabian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time" 37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time" 37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time" 37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time" 37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" 37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time" 37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time" 37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" 37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-652 = "AUS Central Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 5068 powershell.exe 5068 powershell.exe 228 37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe 228 37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe 3244 powershell.exe 3244 powershell.exe 3688 37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe 3688 37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe 3688 37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe 3688 37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe 3688 37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe 3688 37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe 3688 37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe 3688 37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe 3688 37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe 3688 37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe 2392 powershell.exe 2392 powershell.exe 5024 powershell.exe 5024 powershell.exe 1440 powershell.exe 1440 powershell.exe 4392 powershell.exe 4392 powershell.exe 548 powershell.exe 548 powershell.exe 3940 injector.exe 3940 injector.exe 3940 injector.exe 3940 injector.exe 3940 injector.exe 3940 injector.exe 1020 csrss.exe 1020 csrss.exe 3940 injector.exe 3940 injector.exe 3940 injector.exe 3940 injector.exe 3940 injector.exe 3940 injector.exe 1020 csrss.exe 1020 csrss.exe 3940 injector.exe 3940 injector.exe 1020 csrss.exe 1020 csrss.exe 3940 injector.exe 3940 injector.exe 3940 injector.exe 3940 injector.exe 3940 injector.exe 3940 injector.exe 3940 injector.exe 3940 injector.exe 3940 injector.exe 3940 injector.exe 3940 injector.exe 3940 injector.exe 3940 injector.exe 3940 injector.exe 3940 injector.exe 3940 injector.exe 3940 injector.exe 3940 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 5068 powershell.exe Token: SeDebugPrivilege 228 37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe Token: SeImpersonatePrivilege 228 37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe Token: SeDebugPrivilege 3244 powershell.exe Token: SeDebugPrivilege 2392 powershell.exe Token: SeDebugPrivilege 5024 powershell.exe Token: SeDebugPrivilege 1440 powershell.exe Token: SeDebugPrivilege 4392 powershell.exe Token: SeDebugPrivilege 548 powershell.exe Token: SeSystemEnvironmentPrivilege 1020 csrss.exe Token: SeSecurityPrivilege 1060 sc.exe Token: SeSecurityPrivilege 1060 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 228 wrote to memory of 5068 228 37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe 87 PID 228 wrote to memory of 5068 228 37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe 87 PID 228 wrote to memory of 5068 228 37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe 87 PID 3688 wrote to memory of 3244 3688 37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe 98 PID 3688 wrote to memory of 3244 3688 37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe 98 PID 3688 wrote to memory of 3244 3688 37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe 98 PID 3688 wrote to memory of 2772 3688 37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe 101 PID 3688 wrote to memory of 2772 3688 37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe 101 PID 2772 wrote to memory of 548 2772 cmd.exe 103 PID 2772 wrote to memory of 548 2772 cmd.exe 103 PID 3688 wrote to memory of 2392 3688 37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe 105 PID 3688 wrote to memory of 2392 3688 37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe 105 PID 3688 wrote to memory of 2392 3688 37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe 105 PID 3688 wrote to memory of 5024 3688 37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe 107 PID 3688 wrote to memory of 5024 3688 37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe 107 PID 3688 wrote to memory of 5024 3688 37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe 107 PID 3688 wrote to memory of 1020 3688 37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe 109 PID 3688 wrote to memory of 1020 3688 37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe 109 PID 3688 wrote to memory of 1020 3688 37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe 109 PID 1020 wrote to memory of 1440 1020 csrss.exe 110 PID 1020 wrote to memory of 1440 1020 csrss.exe 110 PID 1020 wrote to memory of 1440 1020 csrss.exe 110 PID 1020 wrote to memory of 4392 1020 csrss.exe 115 PID 1020 wrote to memory of 4392 1020 csrss.exe 115 PID 1020 wrote to memory of 4392 1020 csrss.exe 115 PID 1020 wrote to memory of 548 1020 csrss.exe 118 PID 1020 wrote to memory of 548 1020 csrss.exe 118 PID 1020 wrote to memory of 548 1020 csrss.exe 118 PID 1020 wrote to memory of 3940 1020 csrss.exe 121 PID 1020 wrote to memory of 3940 1020 csrss.exe 121 PID 1620 wrote to memory of 4764 1620 windefender.exe 129 PID 1620 wrote to memory of 4764 1620 windefender.exe 129 PID 1620 wrote to memory of 4764 1620 windefender.exe 129 PID 4764 wrote to memory of 1060 4764 cmd.exe 130 PID 4764 wrote to memory of 1060 4764 cmd.exe 130 PID 4764 wrote to memory of 1060 4764 cmd.exe 130 -
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\37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe"C:\Users\Admin\AppData\Local\Temp\37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:228 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5068
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C:\Users\Admin\AppData\Local\Temp\37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe"C:\Users\Admin\AppData\Local\Temp\37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.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:3688 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3244
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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:2772 -
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:548
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2392
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5024
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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:1020 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1440
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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:4104
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2396
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4392
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:548
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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:3940
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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:4388
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1620 -
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:4764 -
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:1060
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4340
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
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5879af5d396efc4906773f6c983511691
SHA1121c8308622d1f005d1b1c7bec8bd2fdffe49a06
SHA256765e22e28d7bc08b9376c51c8e1e9475017de78640b900c721e153204b172fe1
SHA5124897db61369449d6b3b725170b7978418da0766bb40a6de4da77d1668c2e56e8de6ad638ede3be0e54e7a24c2754ec63c6de45c704a3d4e55d5bba2ed1adfb11
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57b41e1d9301809c3ac843eea91755baf
SHA1de57b503f0a53b7958783f90d6e2501d26711731
SHA2565d6eb89422cafb1f5d51dac47c63056c359e3476ef679e124460f4cbd331929b
SHA5129867d740ac8ceedcfb2f1322e03fc62be27ad2d1441eb34b7e8cab283f25e6c65ff8fe8f60045aa89a4bb60ab959a83e66a4c0f5f6b117f016a34f25568a858d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56b2c42d9fe38d3c77af51a2cfcf21753
SHA14a0f2c2a5edcf0ee31f3c8c3062f8a0515e7a49d
SHA256a73304092abdde63f354c7cf994f9b3bfc2e3e999de70f4df711b4af44faffe3
SHA512215b49efc4ff6f190791395cf9191650c14002c42a1895145a58da295df4ddc1343d2ad4bd66ae17f9042cd49e011ddb34f70ecde5af56eec3b81763f5a4d93e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD585974d19b1695f3f3651a0615b750b10
SHA151601ee7367e145095d024845491fbe3c86065a8
SHA2563cb5c187a605f29f7e4436801782b9b4125a47337d614108094303893e700e20
SHA512c3b282ffdd5827e7e17338262643994cdc4a2d49d28a60c5d30103699bfa9b7b14ff619a50f1533f418ea79f4613e93160ab99272fadc017043d805645a758d0
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52f580678206cff9c8c1a2f31dbaa1a47
SHA1c80298b7a2f9d451751f90cf70aed5cde3a71a23
SHA256475f50d126b0581814ac4787f5aa157473018c2507bc9a0468c96b042e8d0829
SHA512e08883ecb5afb25aa287591b4333a2c8c027f7a93974004ca77eacae733d539a33b19c65a461270f0ab7b0a0a18a1a7b100f91a4d384bdbb73ac4729051b2fac
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Filesize
4.1MB
MD50ee44e1c062faea648f5228d94713879
SHA1a2780d4da31cf07e2d8848be096eb25776c5123c
SHA25637a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad
SHA51202990a2210040628af93e7d24fcb8c53e2f742b6e29d9c96fab0a01662c9c35094e90305a985a204c13f521d4f1b0566315acd3c9ff6541b7189fa9ecbaa9c93
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec