Analysis
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max time kernel
150s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
22-04-2024 15:06
Static task
static1
Behavioral task
behavioral1
Sample
a6e1409257b8b7100cd9a98f78140993bf54da6ab2c41bbbcf488554ae02bcc9.exe
Resource
win10v2004-20240412-en
General
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Target
a6e1409257b8b7100cd9a98f78140993bf54da6ab2c41bbbcf488554ae02bcc9.exe
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Size
4.2MB
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MD5
86b3448382833a2718e2563147a1f03d
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SHA1
21e2f23bdd3ab31aa68ffd8bdc8aeb7a282e309e
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SHA256
a6e1409257b8b7100cd9a98f78140993bf54da6ab2c41bbbcf488554ae02bcc9
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SHA512
355f5b10a4b6ee73b9559d7545684cd20bc93aba1fc309cc53cd0575f3b3a0459be05a6d1566b210fc4901b854163e46ed8011822dd252f4b4e3655e797283f4
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SSDEEP
98304:2mG+ILlmwFOXti2i4yafdSAta9/r6eiiYAoaUebjXDBdA:7V62/i4yafdST/r6FFcTBdA
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral1/memory/1712-2-0x00000000051B0000-0x0000000005A9B000-memory.dmp family_glupteba behavioral1/memory/1712-3-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral1/memory/1712-55-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral1/memory/1712-57-0x00000000051B0000-0x0000000005A9B000-memory.dmp family_glupteba behavioral1/memory/2968-60-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral1/memory/2968-96-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral1/memory/2968-147-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral1/memory/2968-159-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral1/memory/1104-193-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral1/memory/1104-265-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral1/memory/1104-268-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral1/memory/1104-271-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral1/memory/1104-281-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral1/memory/1104-285-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral1/memory/1104-290-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral1/memory/1104-294-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral1/memory/1104-298-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral1/memory/1104-302-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2008 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1104 csrss.exe 2096 injector.exe 4196 windefender.exe 2696 windefender.exe -
resource yara_rule behavioral1/files/0x000900000002337f-274.dat upx behavioral1/memory/4196-279-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2696-284-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2696-292-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2696-304-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2177723727-746291240-1644359950-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" a6e1409257b8b7100cd9a98f78140993bf54da6ab2c41bbbcf488554ae02bcc9.exe Set value (str) \REGISTRY\USER\S-1-5-21-2177723727-746291240-1644359950-1000\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 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 -
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 a6e1409257b8b7100cd9a98f78140993bf54da6ab2c41bbbcf488554ae02bcc9.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss a6e1409257b8b7100cd9a98f78140993bf54da6ab2c41bbbcf488554ae02bcc9.exe File created C:\Windows\rss\csrss.exe a6e1409257b8b7100cd9a98f78140993bf54da6ab2c41bbbcf488554ae02bcc9.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 3664 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 2716 schtasks.exe 3968 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,-2001 = "Cabo Verde Daylight Time" a6e1409257b8b7100cd9a98f78140993bf54da6ab2c41bbbcf488554ae02bcc9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-231 = "Hawaiian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time" a6e1409257b8b7100cd9a98f78140993bf54da6ab2c41bbbcf488554ae02bcc9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time" a6e1409257b8b7100cd9a98f78140993bf54da6ab2c41bbbcf488554ae02bcc9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" a6e1409257b8b7100cd9a98f78140993bf54da6ab2c41bbbcf488554ae02bcc9.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,-105 = "Central Brazilian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-541 = "Myanmar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" a6e1409257b8b7100cd9a98f78140993bf54da6ab2c41bbbcf488554ae02bcc9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time" a6e1409257b8b7100cd9a98f78140993bf54da6ab2c41bbbcf488554ae02bcc9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.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,-391 = "Arab Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-341 = "Egypt Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2942 = "Sao Tome Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1042 = "Ulaanbaatar Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time" a6e1409257b8b7100cd9a98f78140993bf54da6ab2c41bbbcf488554ae02bcc9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time" a6e1409257b8b7100cd9a98f78140993bf54da6ab2c41bbbcf488554ae02bcc9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" a6e1409257b8b7100cd9a98f78140993bf54da6ab2c41bbbcf488554ae02bcc9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time" a6e1409257b8b7100cd9a98f78140993bf54da6ab2c41bbbcf488554ae02bcc9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time" a6e1409257b8b7100cd9a98f78140993bf54da6ab2c41bbbcf488554ae02bcc9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2392 = "Aleutian Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs 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,-401 = "Arabic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2772 = "Omsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-3141 = "South Sudan Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2182 = "Astrakhan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-364 = "Middle East Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" a6e1409257b8b7100cd9a98f78140993bf54da6ab2c41bbbcf488554ae02bcc9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time" a6e1409257b8b7100cd9a98f78140993bf54da6ab2c41bbbcf488554ae02bcc9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-281 = "Central Europe Daylight 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,-502 = "Nepal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" a6e1409257b8b7100cd9a98f78140993bf54da6ab2c41bbbcf488554ae02bcc9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" a6e1409257b8b7100cd9a98f78140993bf54da6ab2c41bbbcf488554ae02bcc9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1662 = "Bahia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1822 = "Russia TZ 1 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-622 = "Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-562 = "SE Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" a6e1409257b8b7100cd9a98f78140993bf54da6ab2c41bbbcf488554ae02bcc9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" a6e1409257b8b7100cd9a98f78140993bf54da6ab2c41bbbcf488554ae02bcc9.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,-2162 = "Altai Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-671 = "AUS Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-682 = "E. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-892 = "Morocco Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-182 = "Mountain Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-791 = "SA Western Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" a6e1409257b8b7100cd9a98f78140993bf54da6ab2c41bbbcf488554ae02bcc9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time" a6e1409257b8b7100cd9a98f78140993bf54da6ab2c41bbbcf488554ae02bcc9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" a6e1409257b8b7100cd9a98f78140993bf54da6ab2c41bbbcf488554ae02bcc9.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,-731 = "Fiji Daylight Time" windefender.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" a6e1409257b8b7100cd9a98f78140993bf54da6ab2c41bbbcf488554ae02bcc9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)" a6e1409257b8b7100cd9a98f78140993bf54da6ab2c41bbbcf488554ae02bcc9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1776 powershell.exe 1776 powershell.exe 1712 a6e1409257b8b7100cd9a98f78140993bf54da6ab2c41bbbcf488554ae02bcc9.exe 1712 a6e1409257b8b7100cd9a98f78140993bf54da6ab2c41bbbcf488554ae02bcc9.exe 4052 powershell.exe 4052 powershell.exe 4052 powershell.exe 2968 a6e1409257b8b7100cd9a98f78140993bf54da6ab2c41bbbcf488554ae02bcc9.exe 2968 a6e1409257b8b7100cd9a98f78140993bf54da6ab2c41bbbcf488554ae02bcc9.exe 2968 a6e1409257b8b7100cd9a98f78140993bf54da6ab2c41bbbcf488554ae02bcc9.exe 2968 a6e1409257b8b7100cd9a98f78140993bf54da6ab2c41bbbcf488554ae02bcc9.exe 2968 a6e1409257b8b7100cd9a98f78140993bf54da6ab2c41bbbcf488554ae02bcc9.exe 2968 a6e1409257b8b7100cd9a98f78140993bf54da6ab2c41bbbcf488554ae02bcc9.exe 2968 a6e1409257b8b7100cd9a98f78140993bf54da6ab2c41bbbcf488554ae02bcc9.exe 2968 a6e1409257b8b7100cd9a98f78140993bf54da6ab2c41bbbcf488554ae02bcc9.exe 2968 a6e1409257b8b7100cd9a98f78140993bf54da6ab2c41bbbcf488554ae02bcc9.exe 2968 a6e1409257b8b7100cd9a98f78140993bf54da6ab2c41bbbcf488554ae02bcc9.exe 5068 powershell.exe 5068 powershell.exe 5068 powershell.exe 1452 powershell.exe 1452 powershell.exe 1452 powershell.exe 4816 powershell.exe 4816 powershell.exe 4816 powershell.exe 3348 powershell.exe 3348 powershell.exe 3348 powershell.exe 3664 powershell.exe 3664 powershell.exe 3664 powershell.exe 2096 injector.exe 2096 injector.exe 2096 injector.exe 2096 injector.exe 2096 injector.exe 2096 injector.exe 1104 csrss.exe 1104 csrss.exe 2096 injector.exe 2096 injector.exe 2096 injector.exe 2096 injector.exe 2096 injector.exe 2096 injector.exe 1104 csrss.exe 1104 csrss.exe 2096 injector.exe 2096 injector.exe 2096 injector.exe 2096 injector.exe 2096 injector.exe 2096 injector.exe 2096 injector.exe 2096 injector.exe 2096 injector.exe 2096 injector.exe 2096 injector.exe 2096 injector.exe 2096 injector.exe 2096 injector.exe 2096 injector.exe 2096 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1776 powershell.exe Token: SeDebugPrivilege 1712 a6e1409257b8b7100cd9a98f78140993bf54da6ab2c41bbbcf488554ae02bcc9.exe Token: SeImpersonatePrivilege 1712 a6e1409257b8b7100cd9a98f78140993bf54da6ab2c41bbbcf488554ae02bcc9.exe Token: SeDebugPrivilege 4052 powershell.exe Token: SeDebugPrivilege 5068 powershell.exe Token: SeDebugPrivilege 1452 powershell.exe Token: SeDebugPrivilege 4816 powershell.exe Token: SeDebugPrivilege 3348 powershell.exe Token: SeDebugPrivilege 3664 powershell.exe Token: SeSystemEnvironmentPrivilege 1104 csrss.exe Token: SeSecurityPrivilege 3664 sc.exe Token: SeSecurityPrivilege 3664 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1712 wrote to memory of 1776 1712 a6e1409257b8b7100cd9a98f78140993bf54da6ab2c41bbbcf488554ae02bcc9.exe 88 PID 1712 wrote to memory of 1776 1712 a6e1409257b8b7100cd9a98f78140993bf54da6ab2c41bbbcf488554ae02bcc9.exe 88 PID 1712 wrote to memory of 1776 1712 a6e1409257b8b7100cd9a98f78140993bf54da6ab2c41bbbcf488554ae02bcc9.exe 88 PID 2968 wrote to memory of 4052 2968 a6e1409257b8b7100cd9a98f78140993bf54da6ab2c41bbbcf488554ae02bcc9.exe 102 PID 2968 wrote to memory of 4052 2968 a6e1409257b8b7100cd9a98f78140993bf54da6ab2c41bbbcf488554ae02bcc9.exe 102 PID 2968 wrote to memory of 4052 2968 a6e1409257b8b7100cd9a98f78140993bf54da6ab2c41bbbcf488554ae02bcc9.exe 102 PID 2968 wrote to memory of 2572 2968 a6e1409257b8b7100cd9a98f78140993bf54da6ab2c41bbbcf488554ae02bcc9.exe 104 PID 2968 wrote to memory of 2572 2968 a6e1409257b8b7100cd9a98f78140993bf54da6ab2c41bbbcf488554ae02bcc9.exe 104 PID 2572 wrote to memory of 2008 2572 cmd.exe 106 PID 2572 wrote to memory of 2008 2572 cmd.exe 106 PID 2968 wrote to memory of 5068 2968 a6e1409257b8b7100cd9a98f78140993bf54da6ab2c41bbbcf488554ae02bcc9.exe 107 PID 2968 wrote to memory of 5068 2968 a6e1409257b8b7100cd9a98f78140993bf54da6ab2c41bbbcf488554ae02bcc9.exe 107 PID 2968 wrote to memory of 5068 2968 a6e1409257b8b7100cd9a98f78140993bf54da6ab2c41bbbcf488554ae02bcc9.exe 107 PID 2968 wrote to memory of 1452 2968 a6e1409257b8b7100cd9a98f78140993bf54da6ab2c41bbbcf488554ae02bcc9.exe 109 PID 2968 wrote to memory of 1452 2968 a6e1409257b8b7100cd9a98f78140993bf54da6ab2c41bbbcf488554ae02bcc9.exe 109 PID 2968 wrote to memory of 1452 2968 a6e1409257b8b7100cd9a98f78140993bf54da6ab2c41bbbcf488554ae02bcc9.exe 109 PID 2968 wrote to memory of 1104 2968 a6e1409257b8b7100cd9a98f78140993bf54da6ab2c41bbbcf488554ae02bcc9.exe 111 PID 2968 wrote to memory of 1104 2968 a6e1409257b8b7100cd9a98f78140993bf54da6ab2c41bbbcf488554ae02bcc9.exe 111 PID 2968 wrote to memory of 1104 2968 a6e1409257b8b7100cd9a98f78140993bf54da6ab2c41bbbcf488554ae02bcc9.exe 111 PID 1104 wrote to memory of 4816 1104 csrss.exe 113 PID 1104 wrote to memory of 4816 1104 csrss.exe 113 PID 1104 wrote to memory of 4816 1104 csrss.exe 113 PID 1104 wrote to memory of 3348 1104 csrss.exe 118 PID 1104 wrote to memory of 3348 1104 csrss.exe 118 PID 1104 wrote to memory of 3348 1104 csrss.exe 118 PID 1104 wrote to memory of 3664 1104 csrss.exe 122 PID 1104 wrote to memory of 3664 1104 csrss.exe 122 PID 1104 wrote to memory of 3664 1104 csrss.exe 122 PID 1104 wrote to memory of 2096 1104 csrss.exe 125 PID 1104 wrote to memory of 2096 1104 csrss.exe 125 PID 4196 wrote to memory of 2960 4196 windefender.exe 131 PID 4196 wrote to memory of 2960 4196 windefender.exe 131 PID 4196 wrote to memory of 2960 4196 windefender.exe 131 PID 2960 wrote to memory of 3664 2960 cmd.exe 132 PID 2960 wrote to memory of 3664 2960 cmd.exe 132 PID 2960 wrote to memory of 3664 2960 cmd.exe 132 -
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\a6e1409257b8b7100cd9a98f78140993bf54da6ab2c41bbbcf488554ae02bcc9.exe"C:\Users\Admin\AppData\Local\Temp\a6e1409257b8b7100cd9a98f78140993bf54da6ab2c41bbbcf488554ae02bcc9.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1712 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1776
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C:\Users\Admin\AppData\Local\Temp\a6e1409257b8b7100cd9a98f78140993bf54da6ab2c41bbbcf488554ae02bcc9.exe"C:\Users\Admin\AppData\Local\Temp\a6e1409257b8b7100cd9a98f78140993bf54da6ab2c41bbbcf488554ae02bcc9.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:2968 -
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:4052
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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:2572 -
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:2008
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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:5068
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1452
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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:1104 -
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:4816
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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:2716
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:472
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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:3348
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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:3664
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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:2096
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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:3968
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4196 -
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:2960 -
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:3664
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2696
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
MD57f0430d2f2b9ae95c536773bc017442c
SHA10f44d7677160b7c17ceeb0322672404db3eef289
SHA256bf71fad7ae8aca0d5e0118aeec66df81b4cadac2569d8a85b2fad444e2c39637
SHA5124f7ed69d82ce52c01ac49e87ada2e2a7856ae51e3ea0a41b54512c81aea807636d46dcdc25bc62a3cbc04d484206ffa7054ef497cdd89f7f59bdfd8f47a5a1a0
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51cb65f3c460b31213dfebef3db8bd41f
SHA1f979e4ce08e62966538f7e2e286cec2aaf84b6db
SHA2563de7ed2f31b6bb92b40fe941fd86591d219938173753bb9602c0027e40dc71bb
SHA512623b5649dfe957cd8f114b108d093c594af8776a7ada327f3d2ce50ac12bd9be52b621e035fe5699b2e08fd30d4bbb4a13fe160101253dd6aa19cc22cd66a07f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56a112585fe94f0419bf81f1ebbb3cd39
SHA1ce6fd8cdd23f76c71cd2af666d53ae4b22a56994
SHA2561742e3558c31f6618c7cb10502fa346703b4cf70b1d9dd4ca1dd43fa94534617
SHA5129d004ad0e1003cb4734377e388e3d2e82ea5eaac78b37f7695a1d255e40d438ce0c6c947db4dfb880aa2cf4dfddde6b9cd7016ff593ba0049afeeb9aea0d9ca7
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD585564d4d302e46d6a9ed15558d36ca14
SHA1b48efd3bbd89594f65c417ae37d17b86bc796930
SHA256f8ca4022270825331d9d52471085990ba8b9769f6dca0c885a438d2a75f901df
SHA512537af738948a87be9d546e1e07c96d72934a5fdb5fa2d054b1c19330ee3ba283bfc25b2974dd65c5573340e4b6155f62d68dbab21923a67d7d4c4e6b92f04e6c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51de3b5dec175b4b3140c2a14d0a8c730
SHA16d2e372b9668c21558047fe8a0dadcaba75f5094
SHA256ddc4ff166038257afe2df7747aba3a9f95ba8b25e6435d9e7e7f5d70cf4f498f
SHA5128d9d22a9cbba4837ecdb605ee3f79e8bf0b0704f8a1ab3dab13870f4f6cae2028c9bd27760785acdd35a85a23bb3eff55570720c33687e4d42394246bdd7d816
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Filesize
4.2MB
MD586b3448382833a2718e2563147a1f03d
SHA121e2f23bdd3ab31aa68ffd8bdc8aeb7a282e309e
SHA256a6e1409257b8b7100cd9a98f78140993bf54da6ab2c41bbbcf488554ae02bcc9
SHA512355f5b10a4b6ee73b9559d7545684cd20bc93aba1fc309cc53cd0575f3b3a0459be05a6d1566b210fc4901b854163e46ed8011822dd252f4b4e3655e797283f4
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec