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Analysis
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max time kernel
150s -
max time network
144s -
platform
windows11-21h2_x64 -
resource
win11-20240412-en -
resource tags
arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system -
submitted
22/04/2024, 15:44
Static task
static1
Behavioral task
behavioral1
Sample
468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe
Resource
win10v2004-20240226-en
General
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Target
468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe
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Size
4.2MB
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MD5
8092261881613633ac7d2158ecc0376c
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SHA1
5b2e5a1918b23d09277ab95808c9e3e5c35d2aba
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SHA256
468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1
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SHA512
52d89619a2249b47c32f3a088deb9d0b7dccd683bc1d4ff401b64cd076d550d93eb75826e2380518d6112b28fd6fa4c1dd534a774c718d19551b301ea42526ab
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SSDEEP
98304:bTr4Zn8ckauLMze8fecNCAwNuLlsIJhS7wxsR8XPBW1bLJsbUO:bgxwLwefOwIiIbSY4wJWbLObt
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral2/memory/4864-2-0x00000000051F0000-0x0000000005ADB000-memory.dmp family_glupteba behavioral2/memory/4864-3-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral2/memory/4864-50-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral2/memory/4864-52-0x00000000051F0000-0x0000000005ADB000-memory.dmp family_glupteba behavioral2/memory/4148-54-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral2/memory/4148-87-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral2/memory/4148-114-0x0000000003950000-0x0000000003D50000-memory.dmp family_glupteba behavioral2/memory/4148-135-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral2/memory/4148-144-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral2/memory/128-147-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral2/memory/128-164-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral2/memory/128-243-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral2/memory/128-245-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral2/memory/128-250-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral2/memory/128-257-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral2/memory/128-260-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral2/memory/128-263-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral2/memory/128-266-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral2/memory/128-269-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral2/memory/128-272-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1908 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 128 csrss.exe 1708 injector.exe 4232 windefender.exe 2548 windefender.exe -
resource yara_rule behavioral2/files/0x000500000002a97e-249.dat upx behavioral2/memory/4232-255-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2548-258-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2548-264-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2718508534-2116753757-2794822388-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe Set value (str) \REGISTRY\USER\S-1-5-21-2718508534-2116753757-2794822388-1000\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 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 -
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 468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe File created C:\Windows\rss\csrss.exe 468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.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 2116 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 2736 schtasks.exe 2456 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,-511 = "Central Asia Daylight Time" 468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-402 = "Arabic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-891 = "Morocco Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-71 = "Newfoundland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time" 468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-681 = "E. Australia Daylight Time" windefender.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\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" 468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.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" 468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" 468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-622 = "Korea Standard Time" 468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time" 468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time" 468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-51 = "Greenland Daylight 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\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time" 468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time" 468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" 468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" 468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2162 = "Altai Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2341 = "Haiti Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" 468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time" 468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.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,-1891 = "Russia TZ 3 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,-631 = "Tokyo Daylight Time" 468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates 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,-462 = "Afghanistan Standard Time" 468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates 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 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot 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,-2372 = "Easter Island Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-511 = "Central Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time" 468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-431 = "Iran Daylight Time" 468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time" 468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time" 468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" 468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time" 468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-112 = "Eastern 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\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time" 468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time" 468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-911 = "Mauritius Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 564 powershell.exe 564 powershell.exe 4864 468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe 4864 468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe 3012 powershell.exe 3012 powershell.exe 4148 468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe 4148 468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe 4148 468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe 4148 468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe 4148 468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe 4148 468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe 4148 468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe 4148 468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe 4148 468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe 4148 468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe 4696 powershell.exe 4696 powershell.exe 3096 powershell.exe 3096 powershell.exe 1468 powershell.exe 1468 powershell.exe 4856 powershell.exe 4856 powershell.exe 3940 powershell.exe 3940 powershell.exe 1708 injector.exe 1708 injector.exe 1708 injector.exe 1708 injector.exe 1708 injector.exe 1708 injector.exe 128 csrss.exe 128 csrss.exe 1708 injector.exe 1708 injector.exe 1708 injector.exe 1708 injector.exe 1708 injector.exe 1708 injector.exe 128 csrss.exe 128 csrss.exe 1708 injector.exe 1708 injector.exe 1708 injector.exe 1708 injector.exe 1708 injector.exe 1708 injector.exe 1708 injector.exe 1708 injector.exe 1708 injector.exe 1708 injector.exe 1708 injector.exe 1708 injector.exe 1708 injector.exe 1708 injector.exe 1708 injector.exe 1708 injector.exe 1708 injector.exe 1708 injector.exe 1708 injector.exe 1708 injector.exe 1708 injector.exe 1708 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 564 powershell.exe Token: SeDebugPrivilege 4864 468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe Token: SeImpersonatePrivilege 4864 468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe Token: SeDebugPrivilege 3012 powershell.exe Token: SeDebugPrivilege 4696 powershell.exe Token: SeDebugPrivilege 3096 powershell.exe Token: SeDebugPrivilege 1468 powershell.exe Token: SeDebugPrivilege 4856 powershell.exe Token: SeDebugPrivilege 3940 powershell.exe Token: SeSystemEnvironmentPrivilege 128 csrss.exe Token: SeSecurityPrivilege 2116 sc.exe Token: SeSecurityPrivilege 2116 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4864 wrote to memory of 564 4864 468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe 81 PID 4864 wrote to memory of 564 4864 468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe 81 PID 4864 wrote to memory of 564 4864 468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe 81 PID 4148 wrote to memory of 3012 4148 468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe 86 PID 4148 wrote to memory of 3012 4148 468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe 86 PID 4148 wrote to memory of 3012 4148 468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe 86 PID 4148 wrote to memory of 4552 4148 468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe 88 PID 4148 wrote to memory of 4552 4148 468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe 88 PID 4552 wrote to memory of 1908 4552 cmd.exe 90 PID 4552 wrote to memory of 1908 4552 cmd.exe 90 PID 4148 wrote to memory of 4696 4148 468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe 91 PID 4148 wrote to memory of 4696 4148 468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe 91 PID 4148 wrote to memory of 4696 4148 468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe 91 PID 4148 wrote to memory of 3096 4148 468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe 93 PID 4148 wrote to memory of 3096 4148 468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe 93 PID 4148 wrote to memory of 3096 4148 468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe 93 PID 4148 wrote to memory of 128 4148 468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe 95 PID 4148 wrote to memory of 128 4148 468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe 95 PID 4148 wrote to memory of 128 4148 468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe 95 PID 128 wrote to memory of 1468 128 csrss.exe 102 PID 128 wrote to memory of 1468 128 csrss.exe 102 PID 128 wrote to memory of 1468 128 csrss.exe 102 PID 128 wrote to memory of 4856 128 csrss.exe 108 PID 128 wrote to memory of 4856 128 csrss.exe 108 PID 128 wrote to memory of 4856 128 csrss.exe 108 PID 128 wrote to memory of 3940 128 csrss.exe 110 PID 128 wrote to memory of 3940 128 csrss.exe 110 PID 128 wrote to memory of 3940 128 csrss.exe 110 PID 128 wrote to memory of 1708 128 csrss.exe 112 PID 128 wrote to memory of 1708 128 csrss.exe 112 PID 4232 wrote to memory of 2964 4232 windefender.exe 119 PID 4232 wrote to memory of 2964 4232 windefender.exe 119 PID 4232 wrote to memory of 2964 4232 windefender.exe 119 PID 2964 wrote to memory of 2116 2964 cmd.exe 120 PID 2964 wrote to memory of 2116 2964 cmd.exe 120 PID 2964 wrote to memory of 2116 2964 cmd.exe 120 -
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\468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe"C:\Users\Admin\AppData\Local\Temp\468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4864 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:564
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C:\Users\Admin\AppData\Local\Temp\468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe"C:\Users\Admin\AppData\Local\Temp\468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.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:4148 -
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:3012
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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:4552 -
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:1908
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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:4696
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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:3096
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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:128 -
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:1468
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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:2736
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3604
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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:4856
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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:3940
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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:1708
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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:2456
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4232 -
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:2964 -
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:2116
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2548
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
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59ef972da4cdcf5cb7522f7740041c433
SHA161c72b6fdbb1040ac938d5f7a763ad88236070ba
SHA256adc9c1939a264740fb31d3c41440bb3d8dbe53d4b72ad4db3cd0c9e98a718b74
SHA512eccabc21c27487b4c6919cb4ee8a369661d41a0aa5765b6cfbe6fb29c642a2009c8bfc70cea0eaa01b4c70795d787ccce1be3b7ffb46e42e9763ca40ebd8b0fe
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d4e932581e0f60b686faf23a5259b9e4
SHA1942c0a0200a23a31dfc91f948db8df2e00ac71c9
SHA25649e722908ac4d11d217af4b62bf99db92c19117ec7e0a16be472b8163a7a031b
SHA5120b95ed98ea207ca02b8bf1afbb8cb84dd8ca9f889181df76c709ee5bf9d8eba63c159d48543588cdac434438947daafdc1fc470b4ae16b21042a367173321e05
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58e61d8a7a418e08d3b4c209343f94e56
SHA1afddd029e1e92fab96f07b941e3e5fce30e796b3
SHA2566da9cfd9f2ad2cabdcb823ab94c37a77245dc208048ef87295fb72b9ec7d503f
SHA5120e130c153e7f9b3e86d8585ea8e863a906b2869f4d7dd59f069df8ffe87e55fb225350d1e0d2a171c16142d970fe8cb3675a0bbca76beda74ea2c13ecd6389f4
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c2e8df487dc89a25dca44d1f47d2e81d
SHA1d7124559003399af758297991129827ac97f2e96
SHA2566f69e6a3ccb22b41ed9d63371d85f4b5fbcfb2b3fb17a7c8afdbfcd4817dbf34
SHA5126eb6467b74b90aa5fdad6c9d3981ebe27039b90c1b171b3a679b070c638b1b2ec2dc5fd449e4eb4471265b138890e4a45b7ae20673e703684d488da34eb22c54
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD577f633a48dd9f381a81e6c50d9cf1a5f
SHA1d8a7c52685a843a74a3cce1854ab71566174fe32
SHA256a54357674b5e46e3aafd78db7a13b9d169581b5fbcba179db9c37ebe52af5963
SHA5123e29d9535c8b6f4306ea603584eb990208d6c523610128ad95bd1c0a79f2b9a6524771dc7d2a46ba4a2d5f3b797437334410b3899739f1ad17957a5a137090b5
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Filesize
4.2MB
MD58092261881613633ac7d2158ecc0376c
SHA15b2e5a1918b23d09277ab95808c9e3e5c35d2aba
SHA256468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1
SHA51252d89619a2249b47c32f3a088deb9d0b7dccd683bc1d4ff401b64cd076d550d93eb75826e2380518d6112b28fd6fa4c1dd534a774c718d19551b301ea42526ab
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec