Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
20-04-2024 08:32
Static task
static1
Behavioral task
behavioral1
Sample
d5e3c64e1a710143cf08e55d5fea271b6adc1f4ac7da52f8c9ce896c33093b0c.exe
Resource
win10v2004-20240412-en
General
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Target
d5e3c64e1a710143cf08e55d5fea271b6adc1f4ac7da52f8c9ce896c33093b0c.exe
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Size
4.2MB
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MD5
c0599080d46c896e58766d7eb9a89653
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SHA1
07d5691a662df1cd381b6934fc9eddc0d7ab8f01
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SHA256
d5e3c64e1a710143cf08e55d5fea271b6adc1f4ac7da52f8c9ce896c33093b0c
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SHA512
d92ae4dcd008a189f53790d85bc05168e05fb71609ee3bbbe4cdd8810acb58bec376a2d1ecd2148947063529c48fc065d3949b683e54a4db88666d82963462d3
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SSDEEP
98304:qS8Tc81AzKVcNOUNHF6RiNP154spKvDdhObEo7QvVY0ryRAf1Tp7ORq:rEcJzF4UNHqA/dsmoVS4YAf19p
Malware Config
Signatures
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Glupteba payload 20 IoCs
Processes:
resource yara_rule behavioral1/memory/4372-2-0x0000000004000000-0x00000000048EB000-memory.dmp family_glupteba behavioral1/memory/4372-3-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/804-47-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4372-48-0x0000000004000000-0x00000000048EB000-memory.dmp family_glupteba behavioral1/memory/4372-61-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/804-131-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/804-182-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4916-252-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4916-263-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4916-266-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4916-270-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4916-276-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4916-279-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4916-283-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4916-287-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4916-291-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4916-294-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4916-298-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4916-304-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4916-307-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 4916 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid process 4916 csrss.exe 792 injector.exe 2756 windefender.exe 2500 windefender.exe -
Processes:
resource yara_rule C:\Windows\windefender.exe upx behavioral1/memory/2756-262-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2500-267-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2500-274-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2500-286-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
d5e3c64e1a710143cf08e55d5fea271b6adc1f4ac7da52f8c9ce896c33093b0c.execsrss.exedescription 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\"" d5e3c64e1a710143cf08e55d5fea271b6adc1f4ac7da52f8c9ce896c33093b0c.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.
Processes:
csrss.exedescription ioc process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc process File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
Processes:
d5e3c64e1a710143cf08e55d5fea271b6adc1f4ac7da52f8c9ce896c33093b0c.exedescription ioc process File opened (read-only) \??\VBoxMiniRdrDN d5e3c64e1a710143cf08e55d5fea271b6adc1f4ac7da52f8c9ce896c33093b0c.exe -
Drops file in Windows directory 4 IoCs
Processes:
d5e3c64e1a710143cf08e55d5fea271b6adc1f4ac7da52f8c9ce896c33093b0c.execsrss.exedescription ioc process File opened for modification C:\Windows\rss d5e3c64e1a710143cf08e55d5fea271b6adc1f4ac7da52f8c9ce896c33093b0c.exe File created C:\Windows\rss\csrss.exe d5e3c64e1a710143cf08e55d5fea271b6adc1f4ac7da52f8c9ce896c33093b0c.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.
Processes:
sc.exepid process 1752 sc.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 4900 2640 WerFault.exe powershell.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exepid process 1520 schtasks.exe 1468 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
powershell.exepowershell.exepowershell.exewindefender.exed5e3c64e1a710143cf08e55d5fea271b6adc1f4ac7da52f8c9ce896c33093b0c.exepowershell.exepowershell.exepowershell.exedescription ioc process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2531 = "Chatham Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time" d5e3c64e1a710143cf08e55d5fea271b6adc1f4ac7da52f8c9ce896c33093b0c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1872 = "Russia TZ 7 Standard Time" d5e3c64e1a710143cf08e55d5fea271b6adc1f4ac7da52f8c9ce896c33093b0c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-961 = "Paraguay Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-302 = "Romance Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-751 = "Tonga Daylight 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" d5e3c64e1a710143cf08e55d5fea271b6adc1f4ac7da52f8c9ce896c33093b0c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time" d5e3c64e1a710143cf08e55d5fea271b6adc1f4ac7da52f8c9ce896c33093b0c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time" d5e3c64e1a710143cf08e55d5fea271b6adc1f4ac7da52f8c9ce896c33093b0c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time" d5e3c64e1a710143cf08e55d5fea271b6adc1f4ac7da52f8c9ce896c33093b0c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs 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\C:\Windows\system32\,@tzres.dll,-652 = "AUS Central Standard Time" d5e3c64e1a710143cf08e55d5fea271b6adc1f4ac7da52f8c9ce896c33093b0c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time" d5e3c64e1a710143cf08e55d5fea271b6adc1f4ac7da52f8c9ce896c33093b0c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time" d5e3c64e1a710143cf08e55d5fea271b6adc1f4ac7da52f8c9ce896c33093b0c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-434 = "Georgian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1862 = "Russia TZ 6 Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-141 = "Canada Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1932 = "Russia TZ 11 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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" d5e3c64e1a710143cf08e55d5fea271b6adc1f4ac7da52f8c9ce896c33093b0c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" d5e3c64e1a710143cf08e55d5fea271b6adc1f4ac7da52f8c9ce896c33093b0c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time" d5e3c64e1a710143cf08e55d5fea271b6adc1f4ac7da52f8c9ce896c33093b0c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-272 = "Greenwich 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\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time" d5e3c64e1a710143cf08e55d5fea271b6adc1f4ac7da52f8c9ce896c33093b0c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time" d5e3c64e1a710143cf08e55d5fea271b6adc1f4ac7da52f8c9ce896c33093b0c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time" d5e3c64e1a710143cf08e55d5fea271b6adc1f4ac7da52f8c9ce896c33093b0c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2791 = "Novosibirsk Daylight Time" windefender.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,-222 = "Alaskan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-721 = "Central Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time" d5e3c64e1a710143cf08e55d5fea271b6adc1f4ac7da52f8c9ce896c33093b0c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-271 = "Greenwich Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2181 = "Astrakhan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-142 = "Canada Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" d5e3c64e1a710143cf08e55d5fea271b6adc1f4ac7da52f8c9ce896c33093b0c.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,-212 = "Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-215 = "Pacific Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" d5e3c64e1a710143cf08e55d5fea271b6adc1f4ac7da52f8c9ce896c33093b0c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time" d5e3c64e1a710143cf08e55d5fea271b6adc1f4ac7da52f8c9ce896c33093b0c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time" d5e3c64e1a710143cf08e55d5fea271b6adc1f4ac7da52f8c9ce896c33093b0c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-931 = "Coordinated Universal Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates 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\26\52C64B7E\@tzres.dll,-122 = "SA Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time" d5e3c64e1a710143cf08e55d5fea271b6adc1f4ac7da52f8c9ce896c33093b0c.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exed5e3c64e1a710143cf08e55d5fea271b6adc1f4ac7da52f8c9ce896c33093b0c.exepowershell.exed5e3c64e1a710143cf08e55d5fea271b6adc1f4ac7da52f8c9ce896c33093b0c.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid process 2640 powershell.exe 2640 powershell.exe 4372 d5e3c64e1a710143cf08e55d5fea271b6adc1f4ac7da52f8c9ce896c33093b0c.exe 4372 d5e3c64e1a710143cf08e55d5fea271b6adc1f4ac7da52f8c9ce896c33093b0c.exe 2340 powershell.exe 2340 powershell.exe 2340 powershell.exe 804 d5e3c64e1a710143cf08e55d5fea271b6adc1f4ac7da52f8c9ce896c33093b0c.exe 804 d5e3c64e1a710143cf08e55d5fea271b6adc1f4ac7da52f8c9ce896c33093b0c.exe 804 d5e3c64e1a710143cf08e55d5fea271b6adc1f4ac7da52f8c9ce896c33093b0c.exe 804 d5e3c64e1a710143cf08e55d5fea271b6adc1f4ac7da52f8c9ce896c33093b0c.exe 804 d5e3c64e1a710143cf08e55d5fea271b6adc1f4ac7da52f8c9ce896c33093b0c.exe 804 d5e3c64e1a710143cf08e55d5fea271b6adc1f4ac7da52f8c9ce896c33093b0c.exe 804 d5e3c64e1a710143cf08e55d5fea271b6adc1f4ac7da52f8c9ce896c33093b0c.exe 804 d5e3c64e1a710143cf08e55d5fea271b6adc1f4ac7da52f8c9ce896c33093b0c.exe 804 d5e3c64e1a710143cf08e55d5fea271b6adc1f4ac7da52f8c9ce896c33093b0c.exe 804 d5e3c64e1a710143cf08e55d5fea271b6adc1f4ac7da52f8c9ce896c33093b0c.exe 4460 powershell.exe 4460 powershell.exe 4460 powershell.exe 1624 powershell.exe 1624 powershell.exe 1624 powershell.exe 2928 powershell.exe 2928 powershell.exe 2928 powershell.exe 2952 powershell.exe 2952 powershell.exe 2952 powershell.exe 2240 powershell.exe 2240 powershell.exe 2240 powershell.exe 792 injector.exe 792 injector.exe 792 injector.exe 792 injector.exe 792 injector.exe 792 injector.exe 4916 csrss.exe 4916 csrss.exe 792 injector.exe 792 injector.exe 792 injector.exe 792 injector.exe 792 injector.exe 792 injector.exe 4916 csrss.exe 4916 csrss.exe 792 injector.exe 792 injector.exe 792 injector.exe 792 injector.exe 792 injector.exe 792 injector.exe 792 injector.exe 792 injector.exe 4916 csrss.exe 4916 csrss.exe 792 injector.exe 792 injector.exe 792 injector.exe 792 injector.exe 792 injector.exe 792 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exed5e3c64e1a710143cf08e55d5fea271b6adc1f4ac7da52f8c9ce896c33093b0c.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid process Token: SeDebugPrivilege 2640 powershell.exe Token: SeDebugPrivilege 4372 d5e3c64e1a710143cf08e55d5fea271b6adc1f4ac7da52f8c9ce896c33093b0c.exe Token: SeImpersonatePrivilege 4372 d5e3c64e1a710143cf08e55d5fea271b6adc1f4ac7da52f8c9ce896c33093b0c.exe Token: SeDebugPrivilege 2340 powershell.exe Token: SeDebugPrivilege 4460 powershell.exe Token: SeDebugPrivilege 1624 powershell.exe Token: SeDebugPrivilege 2928 powershell.exe Token: SeDebugPrivilege 2952 powershell.exe Token: SeDebugPrivilege 2240 powershell.exe Token: SeSystemEnvironmentPrivilege 4916 csrss.exe Token: SeSecurityPrivilege 1752 sc.exe Token: SeSecurityPrivilege 1752 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
d5e3c64e1a710143cf08e55d5fea271b6adc1f4ac7da52f8c9ce896c33093b0c.exed5e3c64e1a710143cf08e55d5fea271b6adc1f4ac7da52f8c9ce896c33093b0c.execmd.execsrss.exewindefender.execmd.exedescription pid process target process PID 4372 wrote to memory of 2640 4372 d5e3c64e1a710143cf08e55d5fea271b6adc1f4ac7da52f8c9ce896c33093b0c.exe powershell.exe PID 4372 wrote to memory of 2640 4372 d5e3c64e1a710143cf08e55d5fea271b6adc1f4ac7da52f8c9ce896c33093b0c.exe powershell.exe PID 4372 wrote to memory of 2640 4372 d5e3c64e1a710143cf08e55d5fea271b6adc1f4ac7da52f8c9ce896c33093b0c.exe powershell.exe PID 804 wrote to memory of 2340 804 d5e3c64e1a710143cf08e55d5fea271b6adc1f4ac7da52f8c9ce896c33093b0c.exe powershell.exe PID 804 wrote to memory of 2340 804 d5e3c64e1a710143cf08e55d5fea271b6adc1f4ac7da52f8c9ce896c33093b0c.exe powershell.exe PID 804 wrote to memory of 2340 804 d5e3c64e1a710143cf08e55d5fea271b6adc1f4ac7da52f8c9ce896c33093b0c.exe powershell.exe PID 804 wrote to memory of 3320 804 d5e3c64e1a710143cf08e55d5fea271b6adc1f4ac7da52f8c9ce896c33093b0c.exe cmd.exe PID 804 wrote to memory of 3320 804 d5e3c64e1a710143cf08e55d5fea271b6adc1f4ac7da52f8c9ce896c33093b0c.exe cmd.exe PID 3320 wrote to memory of 4916 3320 cmd.exe netsh.exe PID 3320 wrote to memory of 4916 3320 cmd.exe netsh.exe PID 804 wrote to memory of 4460 804 d5e3c64e1a710143cf08e55d5fea271b6adc1f4ac7da52f8c9ce896c33093b0c.exe powershell.exe PID 804 wrote to memory of 4460 804 d5e3c64e1a710143cf08e55d5fea271b6adc1f4ac7da52f8c9ce896c33093b0c.exe powershell.exe PID 804 wrote to memory of 4460 804 d5e3c64e1a710143cf08e55d5fea271b6adc1f4ac7da52f8c9ce896c33093b0c.exe powershell.exe PID 804 wrote to memory of 1624 804 d5e3c64e1a710143cf08e55d5fea271b6adc1f4ac7da52f8c9ce896c33093b0c.exe powershell.exe PID 804 wrote to memory of 1624 804 d5e3c64e1a710143cf08e55d5fea271b6adc1f4ac7da52f8c9ce896c33093b0c.exe powershell.exe PID 804 wrote to memory of 1624 804 d5e3c64e1a710143cf08e55d5fea271b6adc1f4ac7da52f8c9ce896c33093b0c.exe powershell.exe PID 804 wrote to memory of 4916 804 d5e3c64e1a710143cf08e55d5fea271b6adc1f4ac7da52f8c9ce896c33093b0c.exe csrss.exe PID 804 wrote to memory of 4916 804 d5e3c64e1a710143cf08e55d5fea271b6adc1f4ac7da52f8c9ce896c33093b0c.exe csrss.exe PID 804 wrote to memory of 4916 804 d5e3c64e1a710143cf08e55d5fea271b6adc1f4ac7da52f8c9ce896c33093b0c.exe csrss.exe PID 4916 wrote to memory of 2928 4916 csrss.exe powershell.exe PID 4916 wrote to memory of 2928 4916 csrss.exe powershell.exe PID 4916 wrote to memory of 2928 4916 csrss.exe powershell.exe PID 4916 wrote to memory of 2952 4916 csrss.exe powershell.exe PID 4916 wrote to memory of 2952 4916 csrss.exe powershell.exe PID 4916 wrote to memory of 2952 4916 csrss.exe powershell.exe PID 4916 wrote to memory of 2240 4916 csrss.exe powershell.exe PID 4916 wrote to memory of 2240 4916 csrss.exe powershell.exe PID 4916 wrote to memory of 2240 4916 csrss.exe powershell.exe PID 4916 wrote to memory of 792 4916 csrss.exe injector.exe PID 4916 wrote to memory of 792 4916 csrss.exe injector.exe PID 2756 wrote to memory of 1580 2756 windefender.exe cmd.exe PID 2756 wrote to memory of 1580 2756 windefender.exe cmd.exe PID 2756 wrote to memory of 1580 2756 windefender.exe cmd.exe PID 1580 wrote to memory of 1752 1580 cmd.exe sc.exe PID 1580 wrote to memory of 1752 1580 cmd.exe sc.exe PID 1580 wrote to memory of 1752 1580 cmd.exe sc.exe -
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\d5e3c64e1a710143cf08e55d5fea271b6adc1f4ac7da52f8c9ce896c33093b0c.exe"C:\Users\Admin\AppData\Local\Temp\d5e3c64e1a710143cf08e55d5fea271b6adc1f4ac7da52f8c9ce896c33093b0c.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4372 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2640 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2640 -s 25083⤵
- Program crash
PID:4900
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C:\Users\Admin\AppData\Local\Temp\d5e3c64e1a710143cf08e55d5fea271b6adc1f4ac7da52f8c9ce896c33093b0c.exe"C:\Users\Admin\AppData\Local\Temp\d5e3c64e1a710143cf08e55d5fea271b6adc1f4ac7da52f8c9ce896c33093b0c.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:804 -
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:2340
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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:3320 -
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:4916
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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:4460
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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:1624
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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:4916 -
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:2928
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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:1520
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3288
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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:2952
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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:2240
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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:792
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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:1468
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2756 -
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:1580 -
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:1752
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2640 -ip 26401⤵PID:4124
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2500
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
MD58b8cdc44d35533c8d80e962ef95de679
SHA120e91a625b30d24127d43cb766250ee40c1cc367
SHA256bdf8e097cbe1feeb6269b7ab11f178e511d6f0b283f168a8b2fee3ba0fc06c2d
SHA5123ecbb88e22bbfe29f542abf0483da3a2bad1240ea310d656d6708943723edca01a66f53d6394de895e9df834bad6b63ea495f9bcc526c6d52a6416c329cfd7cd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55174985f164543b3567e30347f825b8f
SHA18064a18563fc43c9106f34c486f9adc45fad5d61
SHA256bcfc137e8a7701a5660dbc34997ac73def6647a6f0b19881ad29688390e92538
SHA51216461c0322349808946a146c4cd8c0ad73671f18513b70987ca9cd7ca196c07f3ffb46d3afebaca4e2aaafff11b837fe01d07e64f587eafba6b021de5458153f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a41485a7a1cdc3b93f8100cb5be643c4
SHA13e55f0193aef7356c296d3ff1ddaceef7cfab8f2
SHA25674c85296281c6bcb1292de6f039a1e39da50b8a24e3b7bd2f57a75ffed2e8a7e
SHA512191e160428edc6a60f69064ee241aa37c83142e82f632ff79c01612c4c1bbb76ad445ed9539bb444cf45f94d8e6ee87561f2bb70562dfbb246d8ed041bcdd61a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD503ff4561f0f480b7cc35c6629adf82ac
SHA1417482bd5bd99247a3cb5160576c20b2fca31d30
SHA256786a51cbcc907a2879609c1b0596e831aecafcb60f09466b0ac957223b157bf8
SHA512f8336c62df1ff4fdf7bf72b21cf2c2b8e4d966cf09455a0baa8b87f36f188b00d0365caca9f822d6369105eb20ffb6db4a1a90f72864da1910b8c00bc03991e5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ca9d036cf30938994c96359cb94a5fe4
SHA1e79448a215b8358725562c2701ff22296ac3467f
SHA256b363bf96d7c691c498b59a4019a48054a719a48410148486ffa0b0e02c7adf56
SHA512dcd17b00f1ab3b8d263b24162ae75f7eee3b402beebabaeed30eb30f33fef954e8e06e8e93611c69bea87faf2d4b041de2944703c6cdf6dca1e92351b8c5c8d9
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Filesize
4.2MB
MD5c0599080d46c896e58766d7eb9a89653
SHA107d5691a662df1cd381b6934fc9eddc0d7ab8f01
SHA256d5e3c64e1a710143cf08e55d5fea271b6adc1f4ac7da52f8c9ce896c33093b0c
SHA512d92ae4dcd008a189f53790d85bc05168e05fb71609ee3bbbe4cdd8810acb58bec376a2d1ecd2148947063529c48fc065d3949b683e54a4db88666d82963462d3
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec