Analysis
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max time kernel
149s -
max time network
152s -
platform
windows11-21h2_x64 -
resource
win11-20240419-en -
resource tags
arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system -
submitted
17-05-2024 15:46
Static task
static1
Behavioral task
behavioral1
Sample
137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.exe
Resource
win10v2004-20240426-en
General
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Target
137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.exe
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Size
4.1MB
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MD5
e9a12479e3f081a7659e0b73fb5baa3a
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SHA1
cccc590e656973ff713053889464b55bb0e99bb7
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SHA256
137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba
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SHA512
6107535742ac0d27b8524ffb0067a832ebdd7b05afd55ad49ae685fc6b63d693c5b8eff0d4850037ad698fd150a4ecb8436cb1a7eca1e1c512194f5c90963eef
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SSDEEP
98304:/Qx32Mq02zAeaet/0/YHlEVnWsL/fnVsJseCa8CK6QwXNx08FH:Ix32Mq02zAeLCVnWszfVfeCa8CLXv/Z
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral2/memory/3584-2-0x0000000004D90000-0x000000000567B000-memory.dmp family_glupteba behavioral2/memory/3584-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3584-24-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3584-54-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3584-55-0x0000000004D90000-0x000000000567B000-memory.dmp family_glupteba behavioral2/memory/3584-53-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2132-66-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2132-127-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3500-201-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3500-216-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3500-217-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3500-219-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3500-221-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3500-224-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3500-225-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3500-227-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3500-229-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3500-232-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 5000 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3500 csrss.exe 3904 injector.exe 3372 windefender.exe 4836 windefender.exe -
resource yara_rule behavioral2/files/0x001a00000002ab42-209.dat upx behavioral2/memory/3372-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4836-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3372-215-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4836-218-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4836-222-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.exe Set value (str) \REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000\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 137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.exe File created C:\Windows\rss\csrss.exe 137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.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 3112 sc.exe -
pid Process 2280 powershell.exe 1320 powershell.exe 3512 powershell.exe 4980 powershell.exe 3268 powershell.exe 2528 powershell.exe 1396 powershell.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 2440 3584 WerFault.exe 78 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3228 schtasks.exe 3504 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time" 137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople 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\2a\52C64B7E\@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" 137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" 137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-385 = "Namibia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time" 137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" 137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-462 = "Afghanistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2001 = "Cabo Verde Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time" 137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-11 = "Azores Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1932 = "Russia TZ 11 Standard Time" 137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-182 = "Mountain Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time" 137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time" 137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-435 = "Georgian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" 137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2181 = "Astrakhan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-622 = "Korea Standard Time" windefender.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,-792 = "SA Western Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2452 = "Saint Pierre Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-562 = "SE Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time" 137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-442 = "Arabian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-771 = "Montevideo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-302 = "Romance Standard Time" windefender.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\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time" 137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" 137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time" 137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time" 137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time" 137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1912 = "Russia TZ 10 Standard Time" 137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-372 = "Jerusalem Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1501 = "Turkey Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time" 137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1661 = "Bahia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-105 = "Central Brazilian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" 137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time" 137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4980 powershell.exe 4980 powershell.exe 3584 137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.exe 3584 137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.exe 3268 powershell.exe 3268 powershell.exe 2132 137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.exe 2132 137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.exe 2132 137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.exe 2132 137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.exe 2132 137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.exe 2132 137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.exe 2132 137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.exe 2132 137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.exe 2132 137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.exe 2132 137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.exe 2528 powershell.exe 2528 powershell.exe 1396 powershell.exe 1396 powershell.exe 2280 powershell.exe 2280 powershell.exe 1320 powershell.exe 1320 powershell.exe 3512 powershell.exe 3512 powershell.exe 3904 injector.exe 3904 injector.exe 3904 injector.exe 3904 injector.exe 3904 injector.exe 3904 injector.exe 3500 csrss.exe 3500 csrss.exe 3904 injector.exe 3904 injector.exe 3904 injector.exe 3904 injector.exe 3904 injector.exe 3904 injector.exe 3500 csrss.exe 3500 csrss.exe 3904 injector.exe 3904 injector.exe 3500 csrss.exe 3500 csrss.exe 3904 injector.exe 3904 injector.exe 3904 injector.exe 3904 injector.exe 3904 injector.exe 3904 injector.exe 3904 injector.exe 3904 injector.exe 3904 injector.exe 3904 injector.exe 3904 injector.exe 3904 injector.exe 3904 injector.exe 3904 injector.exe 3904 injector.exe 3904 injector.exe 3904 injector.exe 3904 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4980 powershell.exe Token: SeDebugPrivilege 3584 137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.exe Token: SeImpersonatePrivilege 3584 137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.exe Token: SeDebugPrivilege 3268 powershell.exe Token: SeDebugPrivilege 2528 powershell.exe Token: SeDebugPrivilege 1396 powershell.exe Token: SeDebugPrivilege 2280 powershell.exe Token: SeDebugPrivilege 1320 powershell.exe Token: SeDebugPrivilege 3512 powershell.exe Token: SeSystemEnvironmentPrivilege 3500 csrss.exe Token: SeSecurityPrivilege 3112 sc.exe Token: SeSecurityPrivilege 3112 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3584 wrote to memory of 4980 3584 137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.exe 81 PID 3584 wrote to memory of 4980 3584 137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.exe 81 PID 3584 wrote to memory of 4980 3584 137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.exe 81 PID 2132 wrote to memory of 3268 2132 137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.exe 89 PID 2132 wrote to memory of 3268 2132 137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.exe 89 PID 2132 wrote to memory of 3268 2132 137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.exe 89 PID 2132 wrote to memory of 1956 2132 137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.exe 91 PID 2132 wrote to memory of 1956 2132 137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.exe 91 PID 1956 wrote to memory of 5000 1956 cmd.exe 93 PID 1956 wrote to memory of 5000 1956 cmd.exe 93 PID 2132 wrote to memory of 2528 2132 137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.exe 94 PID 2132 wrote to memory of 2528 2132 137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.exe 94 PID 2132 wrote to memory of 2528 2132 137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.exe 94 PID 2132 wrote to memory of 1396 2132 137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.exe 96 PID 2132 wrote to memory of 1396 2132 137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.exe 96 PID 2132 wrote to memory of 1396 2132 137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.exe 96 PID 2132 wrote to memory of 3500 2132 137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.exe 98 PID 2132 wrote to memory of 3500 2132 137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.exe 98 PID 2132 wrote to memory of 3500 2132 137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.exe 98 PID 3500 wrote to memory of 2280 3500 csrss.exe 99 PID 3500 wrote to memory of 2280 3500 csrss.exe 99 PID 3500 wrote to memory of 2280 3500 csrss.exe 99 PID 3500 wrote to memory of 1320 3500 csrss.exe 104 PID 3500 wrote to memory of 1320 3500 csrss.exe 104 PID 3500 wrote to memory of 1320 3500 csrss.exe 104 PID 3500 wrote to memory of 3512 3500 csrss.exe 107 PID 3500 wrote to memory of 3512 3500 csrss.exe 107 PID 3500 wrote to memory of 3512 3500 csrss.exe 107 PID 3500 wrote to memory of 3904 3500 csrss.exe 109 PID 3500 wrote to memory of 3904 3500 csrss.exe 109 PID 3372 wrote to memory of 2092 3372 windefender.exe 115 PID 3372 wrote to memory of 2092 3372 windefender.exe 115 PID 3372 wrote to memory of 2092 3372 windefender.exe 115 PID 2092 wrote to memory of 3112 2092 cmd.exe 116 PID 2092 wrote to memory of 3112 2092 cmd.exe 116 PID 2092 wrote to memory of 3112 2092 cmd.exe 116 -
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\137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.exe"C:\Users\Admin\AppData\Local\Temp\137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3584 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4980
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C:\Users\Admin\AppData\Local\Temp\137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.exe"C:\Users\Admin\AppData\Local\Temp\137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.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:2132 -
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:3268
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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:1956 -
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:5000
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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:2528
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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:1396
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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:3500 -
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:2280
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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:3228
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4212
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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:1320
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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:3512
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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:3904
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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:3504
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3372 -
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:2092 -
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:3112
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3584 -s 9562⤵
- Program crash
PID:2440
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 3584 -ip 35841⤵PID:3756
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4836
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
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD508bd2ed4cdb18540830a392ccf7355ec
SHA1c9f1fdf5427b4fe7f25b8651711449d211cf736b
SHA2569b6ad4f7a5b8d225285498fe6cebcd875c1f1ef43d4e8e1b55e44e41d8803226
SHA51217bc82cff7a8fd61ee624b5901130a14c9590a6c5a74f83281f5947b23492120624efca09c9eb84bb26742292c9d6812e5ef3401efa50cf13bff5056379d1061
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5432155b2d15d0ef89c533d7a62ed0551
SHA1b3d3828d8cfd1c81bf08255642b9d6aa22a50826
SHA2564aafb4c89eab45de9dfdb83d33a295a23ee70b27cf0f9a3f4371ffaecc2539c3
SHA512b28536cb290bf6c49620859c8c9cacf30940934c20548e4860a00dad15bbc21ae49e1f13f93eff4332ef84b799e746faa4923424bc3049d62e386f44733c4ae3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56f678bbe0580c7b83653a4d1661d1f18
SHA16c1995e42e90a6c43f8dcef889fbb5093e600938
SHA256aa0fb3c5dd2dd59645ab8aeacad6c46345fb8aa0ecc10144a3275830016679ea
SHA5126331aacd419e42aa743fcfdd576855d080d39d3d7d81c38afe6b34f4985dd770b4aa4703fe0b569b33fff6836f0e0a7a298c5647e0a798fd7eff892437f0555c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e99e213fa9a6ff87ff5f0e03513b2ba3
SHA17d452dbaacf1c857c410043c31dc7c936dd308ec
SHA256ae0917a8526d6fccedd6ef768dca0dc33b574e1a7ee3883ac1bc25125eabca78
SHA5121ee45254b84658a972ae10caf8c0070b98acfe70aec397a6022e6284aa80212f325c0f08e5aa0a2fa06d5d4f4d012a114727357f29f9c27cddd756563eb82f64
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56c23dcc89486445940d9f8b8dce94ba8
SHA1172851f0776ba169012136e1e02dbb82558a13ff
SHA25663ed35ee4623bf382f667c44393df19c8465d73329b3b59499ba61ba77b710da
SHA5125f6027b6b9cc4269da9b2a7408cff2bb992eda5ff76af80d175ce5c0627bfe415452f596fd5f592c907faf7c36a5305de03b20ccb418db546dbae08fc2cc28fc
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Filesize
4.1MB
MD5e9a12479e3f081a7659e0b73fb5baa3a
SHA1cccc590e656973ff713053889464b55bb0e99bb7
SHA256137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba
SHA5126107535742ac0d27b8524ffb0067a832ebdd7b05afd55ad49ae685fc6b63d693c5b8eff0d4850037ad698fd150a4ecb8436cb1a7eca1e1c512194f5c90963eef
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec