Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
19/04/2024, 18:02
Static task
static1
Behavioral task
behavioral1
Sample
64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe
Resource
win10v2004-20240412-en
General
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Target
64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe
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Size
4.2MB
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MD5
bf4f5a1ab751965a4bab734c841fefdd
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SHA1
f9ae7d4c09a67e97d1fca7b191f80cf8020770fd
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SHA256
64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f
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SHA512
3c9aee94fa4b01c2afb544caf63048d5c3fc338c08a3c9ad472912338a5707a286cd8f31c3ffc9f5571739c596bb996dbf6cdee3194814dfcf970ddd22886062
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SSDEEP
98304:VBy5JAu+Hk0Et5Mgg8VWlfA2+5+VVv7Fm6fCY:OAu+ENnjVyYiVNw4h
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/5068-2-0x0000000004070000-0x000000000495B000-memory.dmp family_glupteba behavioral1/memory/5068-3-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/4532-55-0x0000000003EA0000-0x000000000478B000-memory.dmp family_glupteba behavioral1/memory/4532-56-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/5068-72-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/4532-154-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/2904-252-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/2904-262-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/2904-265-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/2904-268-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/2904-271-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/2904-274-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/2904-277-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/2904-280-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/2904-283-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/2904-286-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/2904-289-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/2904-292-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/2904-295-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2460 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2904 csrss.exe 3888 injector.exe 1576 windefender.exe 3108 windefender.exe -
resource yara_rule behavioral1/files/0x0008000000023419-255.dat upx behavioral1/memory/1576-260-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3108-264-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3108-270-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.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 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 -
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 64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe File created C:\Windows\rss\csrss.exe 64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe File created 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 2024 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 3832 schtasks.exe 3848 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\@tzres.dll,-52 = "Greenland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-751 = "Tonga Daylight Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.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\C:\Windows\system32\,@tzres.dll,-41 = "E. South America Daylight Time" 64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-342 = "Egypt Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-442 = "Arabian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" 64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time" 64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" 64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time" 64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time" 64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1842 = "Russia TZ 4 Standard Time" 64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2751 = "Tomsk Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-392 = "Arab Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-215 = "Pacific Standard Time (Mexico)" 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 Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.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,-231 = "Hawaiian Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-512 = "Central Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1472 = "Magadan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time" 64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates 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\@tzres.dll,-2391 = "Aleutian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-435 = "Georgian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-122 = "SA Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time" 64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2591 = "Tocantins 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,-42 = "E. South America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time" 64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time" 64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time" 64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time" 64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time" 64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" 64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time" 64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" 64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time" 64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates 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\26\52C64B7E\@tzres.dll,-1722 = "Libya 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,-105 = "Central Brazilian Standard 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" 64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time" 64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2572 = "Turks and Caicos Standard Time" 64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4112 powershell.exe 4112 powershell.exe 5068 64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe 5068 64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe 1344 powershell.exe 1344 powershell.exe 4532 64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe 4532 64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe 4532 64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe 4532 64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe 4532 64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe 4532 64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe 4532 64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe 4532 64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe 4532 64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe 4532 64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe 3004 powershell.exe 3004 powershell.exe 2056 powershell.exe 2056 powershell.exe 1876 powershell.exe 1876 powershell.exe 3512 powershell.exe 3512 powershell.exe 3672 powershell.exe 3672 powershell.exe 3888 injector.exe 3888 injector.exe 3888 injector.exe 3888 injector.exe 3888 injector.exe 3888 injector.exe 2904 csrss.exe 2904 csrss.exe 3888 injector.exe 3888 injector.exe 3888 injector.exe 3888 injector.exe 3888 injector.exe 3888 injector.exe 2904 csrss.exe 2904 csrss.exe 3888 injector.exe 3888 injector.exe 3888 injector.exe 3888 injector.exe 2904 csrss.exe 2904 csrss.exe 3888 injector.exe 3888 injector.exe 3888 injector.exe 3888 injector.exe 3888 injector.exe 3888 injector.exe 3888 injector.exe 3888 injector.exe 3888 injector.exe 3888 injector.exe 3888 injector.exe 3888 injector.exe 3888 injector.exe 3888 injector.exe 3888 injector.exe 3888 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4112 powershell.exe Token: SeDebugPrivilege 5068 64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe Token: SeImpersonatePrivilege 5068 64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe Token: SeDebugPrivilege 1344 powershell.exe Token: SeDebugPrivilege 3004 powershell.exe Token: SeDebugPrivilege 2056 powershell.exe Token: SeDebugPrivilege 1876 powershell.exe Token: SeDebugPrivilege 3512 powershell.exe Token: SeDebugPrivilege 3672 powershell.exe Token: SeSystemEnvironmentPrivilege 2904 csrss.exe Token: SeSecurityPrivilege 2024 sc.exe Token: SeSecurityPrivilege 2024 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 5068 wrote to memory of 4112 5068 64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe 90 PID 5068 wrote to memory of 4112 5068 64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe 90 PID 5068 wrote to memory of 4112 5068 64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe 90 PID 4532 wrote to memory of 1344 4532 64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe 97 PID 4532 wrote to memory of 1344 4532 64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe 97 PID 4532 wrote to memory of 1344 4532 64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe 97 PID 4532 wrote to memory of 4772 4532 64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe 99 PID 4532 wrote to memory of 4772 4532 64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe 99 PID 4772 wrote to memory of 2460 4772 cmd.exe 101 PID 4772 wrote to memory of 2460 4772 cmd.exe 101 PID 4532 wrote to memory of 3004 4532 64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe 102 PID 4532 wrote to memory of 3004 4532 64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe 102 PID 4532 wrote to memory of 3004 4532 64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe 102 PID 4532 wrote to memory of 2056 4532 64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe 104 PID 4532 wrote to memory of 2056 4532 64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe 104 PID 4532 wrote to memory of 2056 4532 64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe 104 PID 4532 wrote to memory of 2904 4532 64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe 106 PID 4532 wrote to memory of 2904 4532 64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe 106 PID 4532 wrote to memory of 2904 4532 64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe 106 PID 2904 wrote to memory of 1876 2904 csrss.exe 107 PID 2904 wrote to memory of 1876 2904 csrss.exe 107 PID 2904 wrote to memory of 1876 2904 csrss.exe 107 PID 2904 wrote to memory of 3512 2904 csrss.exe 113 PID 2904 wrote to memory of 3512 2904 csrss.exe 113 PID 2904 wrote to memory of 3512 2904 csrss.exe 113 PID 2904 wrote to memory of 3672 2904 csrss.exe 115 PID 2904 wrote to memory of 3672 2904 csrss.exe 115 PID 2904 wrote to memory of 3672 2904 csrss.exe 115 PID 2904 wrote to memory of 3888 2904 csrss.exe 117 PID 2904 wrote to memory of 3888 2904 csrss.exe 117 PID 1576 wrote to memory of 3564 1576 windefender.exe 124 PID 1576 wrote to memory of 3564 1576 windefender.exe 124 PID 1576 wrote to memory of 3564 1576 windefender.exe 124 PID 3564 wrote to memory of 2024 3564 cmd.exe 125 PID 3564 wrote to memory of 2024 3564 cmd.exe 125 PID 3564 wrote to memory of 2024 3564 cmd.exe 125 -
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\64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe"C:\Users\Admin\AppData\Local\Temp\64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5068 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4112
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C:\Users\Admin\AppData\Local\Temp\64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.exe"C:\Users\Admin\AppData\Local\Temp\64ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f.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:4532 -
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:1344
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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:4772 -
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:2460
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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:3004
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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:2056
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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:2904 -
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:1876
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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:3832
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2684
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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:3512
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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:3672
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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:3888
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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:3848
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1576 -
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:3564 -
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:2024
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3108
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
MD5105dbe8538a80ecb06e5522c5c836b81
SHA180c393e9b450dc354d8e662ae65942c1605f6fdd
SHA25679eb7297b688e0f2276cf35f9b7dea18067c700e88e7e17fe8bf6e86ef2ce739
SHA51290d26fb32472347cef0d6ae48b955f289b057a6288f11419ebe96ca45c07fe9bd53ca8680f21dde2cbdb1db69eb5cd76ade6588dc1a1f79e5633559366cb7f1e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5dca86c42706cc1e5e32147a22b27157d
SHA169e4e23c16523796ad50c3057ff54adda4497aa3
SHA25665e9a9114ff4ee5aee2587a704e78cf5efa7f5299d7843a8d545f1068c6bba92
SHA5126fefdbb0211ce67faec14bbecc861bee8c0925dc254081189b54e7dde9ffa0698b3c97c46cd3aa55a6068c04c8f7a7eb6e64b2a4a8d3eec29ad1d75114a5f4dc
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e1f032f64faea7d972edaa612de11044
SHA1ff3ecc7d44f0b443a9706cf1839391d8cbe3d478
SHA25654e0b84d41f3b8f0fdc96b5cb8c0fc43f29aa12602910e18e62a168fe08fb3c2
SHA5128407969b5b32cab29adf8094178fbd1000c5b59516ae5aac59bd59de236d7390fa79c2215c512056522dc5e58bd1f64de7aaa2da23ba9b7fe9296b83300e87e0
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ad21fcf8463936204c337adaea1897f7
SHA1a27e0297121968941830acbadeb3f1f4d4df4006
SHA256f250a4de7d313a1f6b920f4d3aac109d9a4a78fd768df1791b371f72cea630ee
SHA51297445c51e126513a81e62e685016e0fedc3bf804813e7a908ca120b4d448823387232da18c0f5bca6f090e180dc23e7bd559c80eae3db89f8a9210c3485c486e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5cd71b28cfdc5285add986bad6eaf1492
SHA1a2a73c82261c2f696b38811915e64c51ee02029a
SHA2568576b4ac01642ba69ba586ff8a7dda26359b9e89fbe567746cfacc801ee03943
SHA512d253f3a29f7f83261834e26af41e95c390f7a55f19b5968fe20b3c2be314870b42161ada840ad04d5824e7673bd022a39cbb7dccf715c21b1bf01306e3636bba
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Filesize
4.2MB
MD5bf4f5a1ab751965a4bab734c841fefdd
SHA1f9ae7d4c09a67e97d1fca7b191f80cf8020770fd
SHA25664ef22e20ddfabbd778e0e4be005792a81e8dade4d329f99f8c848d5e8af607f
SHA5123c9aee94fa4b01c2afb544caf63048d5c3fc338c08a3c9ad472912338a5707a286cd8f31c3ffc9f5571739c596bb996dbf6cdee3194814dfcf970ddd22886062
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec