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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
300s -
max time network
297s -
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, 15:38
Static task
static1
Behavioral task
behavioral1
Sample
0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe
Resource
win7-20240508-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 23 IoCs
resource yara_rule behavioral2/memory/1488-2-0x0000000004D30000-0x000000000561B000-memory.dmp family_glupteba behavioral2/memory/1488-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1488-28-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/1488-68-0x0000000004D30000-0x000000000561B000-memory.dmp family_glupteba behavioral2/memory/1488-67-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/1488-86-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3392-85-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/3392-139-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/4284-175-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/4284-220-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/4284-231-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/4284-235-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/4284-239-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/4284-243-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/4284-247-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/4284-251-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/4284-255-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/4284-259-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/4284-263-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/4284-267-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/4284-271-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/4284-275-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/4284-279-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3200 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4284 csrss.exe 1168 injector.exe 2228 windefender.exe 2568 windefender.exe -
resource yara_rule behavioral2/files/0x00080000000233dc-224.dat upx behavioral2/memory/2228-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2568-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2228-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2568-233-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2568-241-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\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\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 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 4412 sc.exe -
pid Process 4692 powershell.exe 4724 powershell.exe 5092 powershell.exe 2772 powershell.exe 4048 powershell.exe 2128 powershell.exe 4640 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 2692 schtasks.exe 3888 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,-2412 = "Marquesas Standard Time" 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time" 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot 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\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time" 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1472 = "Magadan 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,-2752 = "Tomsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time" 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust 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\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time" 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time" 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time" 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1862 = "Russia TZ 6 Standard Time" 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-871 = "Pakistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3051 = "Qyzylorda Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-692 = "Tasmania Standard Time" windefender.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,-2792 = "Novosibirsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time" 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time" 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\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,-601 = "Taipei Daylight Time" 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2341 = "Haiti Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2411 = "Marquesas Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-542 = "Myanmar Standard 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,-172 = "Central Standard Time (Mexico)" 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2371 = "Easter Island Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-361 = "GTB Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-372 = "Jerusalem Standard Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-682 = "E. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time" 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time" 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.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\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-231 = "Hawaiian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-201 = "US Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-292 = "Central European Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2128 powershell.exe 2128 powershell.exe 1488 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe 1488 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe 4640 powershell.exe 4640 powershell.exe 3392 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe 3392 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe 3392 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe 3392 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe 3392 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe 3392 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe 3392 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe 3392 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe 3392 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe 3392 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe 4692 powershell.exe 4692 powershell.exe 4724 powershell.exe 4724 powershell.exe 5092 powershell.exe 5092 powershell.exe 2772 powershell.exe 2772 powershell.exe 4048 powershell.exe 4048 powershell.exe 1168 injector.exe 1168 injector.exe 1168 injector.exe 1168 injector.exe 1168 injector.exe 1168 injector.exe 4284 csrss.exe 4284 csrss.exe 1168 injector.exe 1168 injector.exe 1168 injector.exe 1168 injector.exe 1168 injector.exe 1168 injector.exe 4284 csrss.exe 4284 csrss.exe 1168 injector.exe 1168 injector.exe 4284 csrss.exe 4284 csrss.exe 1168 injector.exe 1168 injector.exe 1168 injector.exe 1168 injector.exe 1168 injector.exe 1168 injector.exe 1168 injector.exe 1168 injector.exe 1168 injector.exe 1168 injector.exe 1168 injector.exe 1168 injector.exe 1168 injector.exe 1168 injector.exe 1168 injector.exe 1168 injector.exe 1168 injector.exe 1168 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2128 powershell.exe Token: SeDebugPrivilege 1488 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe Token: SeImpersonatePrivilege 1488 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe Token: SeDebugPrivilege 4640 powershell.exe Token: SeDebugPrivilege 4692 powershell.exe Token: SeDebugPrivilege 4724 powershell.exe Token: SeDebugPrivilege 5092 powershell.exe Token: SeDebugPrivilege 2772 powershell.exe Token: SeDebugPrivilege 4048 powershell.exe Token: SeSystemEnvironmentPrivilege 4284 csrss.exe Token: SeSecurityPrivilege 4412 sc.exe Token: SeSecurityPrivilege 4412 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1488 wrote to memory of 2128 1488 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe 81 PID 1488 wrote to memory of 2128 1488 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe 81 PID 1488 wrote to memory of 2128 1488 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe 81 PID 3392 wrote to memory of 4640 3392 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe 86 PID 3392 wrote to memory of 4640 3392 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe 86 PID 3392 wrote to memory of 4640 3392 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe 86 PID 3392 wrote to memory of 3964 3392 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe 88 PID 3392 wrote to memory of 3964 3392 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe 88 PID 3964 wrote to memory of 3200 3964 cmd.exe 90 PID 3964 wrote to memory of 3200 3964 cmd.exe 90 PID 3392 wrote to memory of 4692 3392 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe 91 PID 3392 wrote to memory of 4692 3392 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe 91 PID 3392 wrote to memory of 4692 3392 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe 91 PID 3392 wrote to memory of 4724 3392 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe 93 PID 3392 wrote to memory of 4724 3392 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe 93 PID 3392 wrote to memory of 4724 3392 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe 93 PID 3392 wrote to memory of 4284 3392 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe 96 PID 3392 wrote to memory of 4284 3392 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe 96 PID 3392 wrote to memory of 4284 3392 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe 96 PID 4284 wrote to memory of 5092 4284 csrss.exe 97 PID 4284 wrote to memory of 5092 4284 csrss.exe 97 PID 4284 wrote to memory of 5092 4284 csrss.exe 97 PID 4284 wrote to memory of 2772 4284 csrss.exe 103 PID 4284 wrote to memory of 2772 4284 csrss.exe 103 PID 4284 wrote to memory of 2772 4284 csrss.exe 103 PID 4284 wrote to memory of 4048 4284 csrss.exe 105 PID 4284 wrote to memory of 4048 4284 csrss.exe 105 PID 4284 wrote to memory of 4048 4284 csrss.exe 105 PID 4284 wrote to memory of 1168 4284 csrss.exe 107 PID 4284 wrote to memory of 1168 4284 csrss.exe 107 PID 2228 wrote to memory of 2316 2228 windefender.exe 113 PID 2228 wrote to memory of 2316 2228 windefender.exe 113 PID 2228 wrote to memory of 2316 2228 windefender.exe 113 PID 2316 wrote to memory of 4412 2316 cmd.exe 114 PID 2316 wrote to memory of 4412 2316 cmd.exe 114 PID 2316 wrote to memory of 4412 2316 cmd.exe 114 -
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:1488 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2128
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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:3392 -
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:4640
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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:3964 -
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:3200
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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:4692
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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:4724
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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:4284 -
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:5092
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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:2692
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3776
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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:2772
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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:4048
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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:1168
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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:3888
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2228 -
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:2316 -
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:4412
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2568
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
MD573846fc23c4343195ca5c00f3fcc16c1
SHA1c41a47d26c7a86a4314ef6609462594f47576a36
SHA2560beea0df32482542ace8ccf72a652a79a08ef410187b39bc2c294e3b67e80691
SHA5123c7fdd0faeb1e9610d5cb9fda29833738e005e5f97627a6daf46ee0694e31d4d29a2bc3623ce1a54828579293d0718f8b0ba2315a2453321a59321a9a655f9ec
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53ec4a3732a8826b759f32d96159c08c9
SHA1cba39780a1289ac25f56d4138bc01e41246e35e9
SHA256d708dc26baf5419d4fb11f41effa676827b30d9814f90f367ca30f83296984c0
SHA5127d12ae35f728d89f5d2b1617edd9461bc86a7766e2d54466e94ca88ecaa55cb28d40353bf57e5cbd1cfae1253d034af6d1b096d9a9fa5ec331dfdc3142a824f8
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5652c350f83fe567cca8929c2e7b0d578
SHA16d76730928c35d9974706edb439fb89470896d09
SHA256884b96846cf92dcf50c4176396a852168ba6735ad491a3b5a375369155d56873
SHA51236fe1a718165a0a46185ef8936a4cc67f9e86ba3e85796112a4516e8552c700d731c81460b76ff1db50d48c90ec420835765a34b08ea503c0f3c9b9f5db40a3f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c46df767a0238368d57b69cf4a78f9b1
SHA166c84576c515d77fce992c1ad9597097feb10610
SHA256f30c47d27ef8c3281234a8ef75d2a943cf65dcb11f77ab1b4e5042d1288b9f3d
SHA5127f2460d01439048e674512fbd841b93953cbe51745444876220dcc700e217d9899b0e8442cab5e146ee4330571f93fcc13a237dd8ac1432207cfe6d3f956f900
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD550caebae5e2e98dc38dede5beb2d5771
SHA146b8345c28107cda4b92b4e013ce83e91ff66071
SHA256ef2eb1e1bd661ae2e3a85e85d69166aa26b4cdd44a09c97360d8f972318c664c
SHA512da9312384eea52553a800a1c71d5dcc97a1588448251b4ddf05b8b4e9d96a5586c86e0e4ac3a03eabf7c1d8c1158274cf760958bae6831abd3e6d9af46c764e8
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Filesize
4.1MB
MD550bbd3c0a763696169eb0184a0a32f58
SHA14bf461d04e9538bfa6919e4c29dc9f60d3f5a6fb
SHA2560ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4
SHA512707112015a46b1de809ce7f94fe26a4bf540e2497b34ee842b7a9fcd65579d1fddc4552948474aef65bd2b36a4a4ca4e9e672631e786ad54fa8a2b08f5e89ca2
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec