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Resubmissions
13/05/2024, 15:38
240513-s2167adc57 1013/05/2024, 15:36
240513-s154racd21 1013/05/2024, 15:30
240513-sxpbtsda56 10Analysis
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max time kernel
150s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
13/05/2024, 15:30
Static task
static1
Behavioral task
behavioral1
Sample
0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe
Resource
win10v2004-20240508-en
General
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Target
0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe
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Size
4.1MB
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MD5
50bbd3c0a763696169eb0184a0a32f58
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SHA1
4bf461d04e9538bfa6919e4c29dc9f60d3f5a6fb
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SHA256
0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4
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SHA512
707112015a46b1de809ce7f94fe26a4bf540e2497b34ee842b7a9fcd65579d1fddc4552948474aef65bd2b36a4a4ca4e9e672631e786ad54fa8a2b08f5e89ca2
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SSDEEP
98304:qqeWAqoT6kF3ZRjNKldXZ1XKZ5aruiiHpO3KKmm2RpBtpL4ErOUAYu0:qSA3Ttj6piarhiJO6KmjFV4s/B3
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/1720-2-0x0000000004B60000-0x000000000544B000-memory.dmp family_glupteba behavioral1/memory/1720-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1720-28-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/1720-57-0x0000000004B60000-0x000000000544B000-memory.dmp family_glupteba behavioral1/memory/1720-58-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1720-55-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/1332-84-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/1332-138-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/3048-216-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/3048-223-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/3048-232-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/3048-235-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/3048-238-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/3048-241-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/3048-244-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/3048-247-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/3048-250-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/3048-253-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/3048-256-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2028 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3048 csrss.exe 2044 injector.exe 2092 windefender.exe 4960 windefender.exe -
resource yara_rule behavioral1/files/0x00080000000235e5-227.dat upx behavioral1/memory/2092-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2092-231-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4960-234-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4960-240-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe Set value (str) \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created 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 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe File created C:\Windows\rss\csrss.exe 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.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 5088 sc.exe -
pid Process 3940 powershell.exe 4056 powershell.exe 1316 powershell.exe 2608 powershell.exe 3788 powershell.exe 184 powershell.exe 2980 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 2056 schtasks.exe 4008 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople 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,-2392 = "Aleutian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time" 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-571 = "China Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time" 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time" 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time" 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-222 = "Alaskan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1721 = "Libya Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time" 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.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,-151 = "Central America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-621 = "Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-751 = "Tonga Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-652 = "AUS Central Standard Time" 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2572 = "Turks and Caicos Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs 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\2a\52C64B7E\@tzres.dll,-3141 = "South Sudan Daylight 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,-961 = "Paraguay Daylight Time" 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-341 = "Egypt Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-432 = "Iran Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-561 = "SE Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time" 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-342 = "Egypt Standard Time" windefender.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,-282 = "Central Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1872 = "Russia TZ 7 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1932 = "Russia TZ 11 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time" 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2511 = "Lord Howe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-242 = "Samoa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1042 = "Ulaanbaatar Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-131 = "US Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time" 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA 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\2a\52C64B7E\@tzres.dll,-251 = "Dateline Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4056 powershell.exe 4056 powershell.exe 4056 powershell.exe 1720 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe 1720 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe 1316 powershell.exe 1316 powershell.exe 1316 powershell.exe 1332 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe 1332 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe 1332 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe 1332 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe 1332 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe 1332 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe 1332 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe 1332 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe 1332 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe 1332 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe 2608 powershell.exe 2608 powershell.exe 2608 powershell.exe 3788 powershell.exe 3788 powershell.exe 3788 powershell.exe 184 powershell.exe 184 powershell.exe 184 powershell.exe 2980 powershell.exe 2980 powershell.exe 2980 powershell.exe 3940 powershell.exe 3940 powershell.exe 3940 powershell.exe 2044 injector.exe 2044 injector.exe 2044 injector.exe 2044 injector.exe 2044 injector.exe 2044 injector.exe 3048 csrss.exe 3048 csrss.exe 2044 injector.exe 2044 injector.exe 2044 injector.exe 2044 injector.exe 2044 injector.exe 2044 injector.exe 3048 csrss.exe 3048 csrss.exe 2044 injector.exe 2044 injector.exe 3048 csrss.exe 3048 csrss.exe 2044 injector.exe 2044 injector.exe 2044 injector.exe 2044 injector.exe 2044 injector.exe 2044 injector.exe 2044 injector.exe 2044 injector.exe 2044 injector.exe 2044 injector.exe 2044 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4056 powershell.exe Token: SeDebugPrivilege 1720 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe Token: SeImpersonatePrivilege 1720 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe Token: SeDebugPrivilege 1316 powershell.exe Token: SeDebugPrivilege 2608 powershell.exe Token: SeDebugPrivilege 3788 powershell.exe Token: SeDebugPrivilege 184 powershell.exe Token: SeDebugPrivilege 2980 powershell.exe Token: SeDebugPrivilege 3940 powershell.exe Token: SeSystemEnvironmentPrivilege 3048 csrss.exe Token: SeSecurityPrivilege 5088 sc.exe Token: SeSecurityPrivilege 5088 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1720 wrote to memory of 4056 1720 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe 97 PID 1720 wrote to memory of 4056 1720 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe 97 PID 1720 wrote to memory of 4056 1720 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe 97 PID 1332 wrote to memory of 1316 1332 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe 102 PID 1332 wrote to memory of 1316 1332 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe 102 PID 1332 wrote to memory of 1316 1332 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe 102 PID 1332 wrote to memory of 3500 1332 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe 104 PID 1332 wrote to memory of 3500 1332 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe 104 PID 3500 wrote to memory of 2028 3500 cmd.exe 106 PID 3500 wrote to memory of 2028 3500 cmd.exe 106 PID 1332 wrote to memory of 2608 1332 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe 107 PID 1332 wrote to memory of 2608 1332 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe 107 PID 1332 wrote to memory of 2608 1332 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe 107 PID 1332 wrote to memory of 3788 1332 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe 110 PID 1332 wrote to memory of 3788 1332 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe 110 PID 1332 wrote to memory of 3788 1332 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe 110 PID 1332 wrote to memory of 3048 1332 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe 112 PID 1332 wrote to memory of 3048 1332 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe 112 PID 1332 wrote to memory of 3048 1332 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe 112 PID 3048 wrote to memory of 184 3048 csrss.exe 113 PID 3048 wrote to memory of 184 3048 csrss.exe 113 PID 3048 wrote to memory of 184 3048 csrss.exe 113 PID 3048 wrote to memory of 2980 3048 csrss.exe 120 PID 3048 wrote to memory of 2980 3048 csrss.exe 120 PID 3048 wrote to memory of 2980 3048 csrss.exe 120 PID 3048 wrote to memory of 3940 3048 csrss.exe 122 PID 3048 wrote to memory of 3940 3048 csrss.exe 122 PID 3048 wrote to memory of 3940 3048 csrss.exe 122 PID 3048 wrote to memory of 2044 3048 csrss.exe 124 PID 3048 wrote to memory of 2044 3048 csrss.exe 124 PID 2092 wrote to memory of 364 2092 windefender.exe 130 PID 2092 wrote to memory of 364 2092 windefender.exe 130 PID 2092 wrote to memory of 364 2092 windefender.exe 130 PID 364 wrote to memory of 5088 364 cmd.exe 131 PID 364 wrote to memory of 5088 364 cmd.exe 131 PID 364 wrote to memory of 5088 364 cmd.exe 131 -
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\0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe"C:\Users\Admin\AppData\Local\Temp\0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1720 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4056
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C:\Users\Admin\AppData\Local\Temp\0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe"C:\Users\Admin\AppData\Local\Temp\0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.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:1332 -
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:1316
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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:3500 -
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:2028
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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:2608
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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:3788
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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:3048 -
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:184
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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:4008
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3252
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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:2980
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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: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:2044
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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:2056
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2092 -
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:364 -
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:5088
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=3816,i,16488180140590516186,11762960689811837350,262144 --variations-seed-version --mojo-platform-channel-handle=4224 /prefetch:81⤵PID:2152
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4960
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
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56d97a7a24aa07faa831e490a2aed755b
SHA10c5e921600cef8effe6e73f8b094b55cc8adfc7f
SHA2562354768db47c2e1aa9ab630c8c830504a1f1055ceb147ab7dc0b9d976192f5a5
SHA51279a8d3a780dec04bf35932b1f631480c10934c8b78b69ae08a25fef2f9b7ca8819853a9d29b73a0c464874906f244c181d672c05badade17d9e14cc512f11eb4
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55452498ff99ba82bcdb8740d5cd5d81b
SHA11bfe7917bbea5fe0216cdf60387fc7e8779b8b24
SHA256c4abf01da41889646ce824c9bfb9ba7dded0db91c1e6901e0a684f001c527549
SHA512cc9204e2ee0ec081c067a432fd0dcda2253433f563551b6d3927af4edcaa7a6b68fd78752e13e301fc1b97a9ea942e9315c7d11f290f7930630b63de235ded82
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5856db937ed20ad716ce1153619fdd7a9
SHA183ff2079664435a9ef1e62eb0cae7225406fc6dd
SHA256ab4aac39ba4406854d4179e99501a38892db4d98745b1188a5ad0b806019db82
SHA512b977cb92a09dfac23610d40c69526b14a623d8ab5ab8cc36b70460ae993697f789d5a80543f18426e0d7b4c71767e3e5904f322f40f4cc11e48ca8bec8a41b14
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57bfcd4710274aee6fdf26d9591fe1b38
SHA1ba7b3947853776c8315c04988e333cd7c88d7a42
SHA2560922dcab63248e400d7c15b092af70868f30507f39acee447ffeb588b507f203
SHA51267077eb326a4bbb59df6705b101c64b5ed70aa3891cadd7b2a48c794bbc5b836413d815e7204ac0935e008f795cb5f7559aa0b40faa4745c9b358806a0af96fd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e2fcf9f1aae6b9c7f06189c5c60bd172
SHA1d45d24d6a65ae388fe7a08dc51da0925cf3b554c
SHA2565d17c7b2126b420e10b6761bb4acd362812453ff79457d3fa5cd77a2975bb845
SHA512b322208e85fbbff41561c5aebf4c666326181fad21000a01d9844c25628a68981a8ecfbd13048ef2e0761b68cbaadf5a3522359d57d5dbb451e975cb70d5a028
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Filesize
4.1MB
MD550bbd3c0a763696169eb0184a0a32f58
SHA14bf461d04e9538bfa6919e4c29dc9f60d3f5a6fb
SHA2560ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4
SHA512707112015a46b1de809ce7f94fe26a4bf540e2497b34ee842b7a9fcd65579d1fddc4552948474aef65bd2b36a4a4ca4e9e672631e786ad54fa8a2b08f5e89ca2
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec