Analysis
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max time kernel
150s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
16-05-2024 10:22
Static task
static1
Behavioral task
behavioral1
Sample
311b93602be5954fd0fd5c5b27bd8dbedf1ed5f1276255c2b242719a00a1297a.exe
Resource
win10v2004-20240508-en
General
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Target
311b93602be5954fd0fd5c5b27bd8dbedf1ed5f1276255c2b242719a00a1297a.exe
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Size
4.1MB
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MD5
66704c4648d3dd1ece32a06644386ff2
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SHA1
63b9d767df00cb65447992ef7353527d7caee2c6
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SHA256
311b93602be5954fd0fd5c5b27bd8dbedf1ed5f1276255c2b242719a00a1297a
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SHA512
74c7a6ee75fca3a12bc5dac376dd8d09b7999c23db59882d20e30aa283397d1a54fb2bc2304184c129fda123dfe8153aa11e182151dee9fd7c3144b6dbf11f22
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SSDEEP
98304:1BH5QtHgtXZGwxAeX68LG3wNCsYjHyiS0gsLIyJOWEFSdaDQG3a9nt5:1BZQtHgtXlxHq4G3ixkyiJTOnSQDy9nr
Malware Config
Signatures
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Glupteba payload 18 IoCs
Processes:
resource yara_rule behavioral1/memory/4264-2-0x0000000002D90000-0x000000000367B000-memory.dmp family_glupteba behavioral1/memory/4264-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3256-58-0x0000000002D50000-0x000000000363B000-memory.dmp family_glupteba behavioral1/memory/4264-85-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3256-137-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4924-212-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4924-231-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4924-234-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4924-237-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4924-241-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4924-245-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4924-250-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4924-253-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4924-257-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4924-261-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4924-266-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4924-269-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4924-273-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 2080 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 4924 csrss.exe 4352 injector.exe 2116 windefender.exe 440 windefender.exe -
Processes:
resource yara_rule behavioral1/files/0x0009000000023424-222.dat upx behavioral1/memory/2116-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/440-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2116-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/440-232-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/440-242-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
csrss.exe311b93602be5954fd0fd5c5b27bd8dbedf1ed5f1276255c2b242719a00a1297a.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 311b93602be5954fd0fd5c5b27bd8dbedf1ed5f1276255c2b242719a00a1297a.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:
311b93602be5954fd0fd5c5b27bd8dbedf1ed5f1276255c2b242719a00a1297a.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN 311b93602be5954fd0fd5c5b27bd8dbedf1ed5f1276255c2b242719a00a1297a.exe -
Drops file in Windows directory 4 IoCs
Processes:
csrss.exe311b93602be5954fd0fd5c5b27bd8dbedf1ed5f1276255c2b242719a00a1297a.exedescription ioc Process File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 311b93602be5954fd0fd5c5b27bd8dbedf1ed5f1276255c2b242719a00a1297a.exe File created C:\Windows\rss\csrss.exe 311b93602be5954fd0fd5c5b27bd8dbedf1ed5f1276255c2b242719a00a1297a.exe File created 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 836 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 1644 powershell.exe 2892 powershell.exe 3076 powershell.exe 4352 powershell.exe 3212 powershell.exe 3728 powershell.exe 2232 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 2052 schtasks.exe 1740 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
311b93602be5954fd0fd5c5b27bd8dbedf1ed5f1276255c2b242719a00a1297a.exepowershell.exewindefender.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" 311b93602be5954fd0fd5c5b27bd8dbedf1ed5f1276255c2b242719a00a1297a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time" 311b93602be5954fd0fd5c5b27bd8dbedf1ed5f1276255c2b242719a00a1297a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time" 311b93602be5954fd0fd5c5b27bd8dbedf1ed5f1276255c2b242719a00a1297a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time" 311b93602be5954fd0fd5c5b27bd8dbedf1ed5f1276255c2b242719a00a1297a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2322 = "Sakhalin Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" 311b93602be5954fd0fd5c5b27bd8dbedf1ed5f1276255c2b242719a00a1297a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time" 311b93602be5954fd0fd5c5b27bd8dbedf1ed5f1276255c2b242719a00a1297a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time" 311b93602be5954fd0fd5c5b27bd8dbedf1ed5f1276255c2b242719a00a1297a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1802 = "Line Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-121 = "SA Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time" 311b93602be5954fd0fd5c5b27bd8dbedf1ed5f1276255c2b242719a00a1297a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time" 311b93602be5954fd0fd5c5b27bd8dbedf1ed5f1276255c2b242719a00a1297a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" 311b93602be5954fd0fd5c5b27bd8dbedf1ed5f1276255c2b242719a00a1297a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-202 = "US Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" 311b93602be5954fd0fd5c5b27bd8dbedf1ed5f1276255c2b242719a00a1297a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.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,-1862 = "Russia TZ 6 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time" 311b93602be5954fd0fd5c5b27bd8dbedf1ed5f1276255c2b242719a00a1297a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time" 311b93602be5954fd0fd5c5b27bd8dbedf1ed5f1276255c2b242719a00a1297a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-461 = "Afghanistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-42 = "E. South America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1471 = "Magadan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-384 = "Namibia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2591 = "Tocantins Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time" 311b93602be5954fd0fd5c5b27bd8dbedf1ed5f1276255c2b242719a00a1297a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" 311b93602be5954fd0fd5c5b27bd8dbedf1ed5f1276255c2b242719a00a1297a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" 311b93602be5954fd0fd5c5b27bd8dbedf1ed5f1276255c2b242719a00a1297a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time" 311b93602be5954fd0fd5c5b27bd8dbedf1ed5f1276255c2b242719a00a1297a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs 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,-2571 = "Turks and Caicos Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1042 = "Ulaanbaatar Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time" 311b93602be5954fd0fd5c5b27bd8dbedf1ed5f1276255c2b242719a00a1297a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs 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 Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-141 = "Canada Central Daylight Time" windefender.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,-142 = "Canada Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1021 = "Bangladesh Daylight Time" 311b93602be5954fd0fd5c5b27bd8dbedf1ed5f1276255c2b242719a00a1297a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time" 311b93602be5954fd0fd5c5b27bd8dbedf1ed5f1276255c2b242719a00a1297a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time" 311b93602be5954fd0fd5c5b27bd8dbedf1ed5f1276255c2b242719a00a1297a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-502 = "Nepal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1892 = "Russia TZ 3 Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" 311b93602be5954fd0fd5c5b27bd8dbedf1ed5f1276255c2b242719a00a1297a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time" 311b93602be5954fd0fd5c5b27bd8dbedf1ed5f1276255c2b242719a00a1297a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time" 311b93602be5954fd0fd5c5b27bd8dbedf1ed5f1276255c2b242719a00a1297a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe311b93602be5954fd0fd5c5b27bd8dbedf1ed5f1276255c2b242719a00a1297a.exepowershell.exe311b93602be5954fd0fd5c5b27bd8dbedf1ed5f1276255c2b242719a00a1297a.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 2892 powershell.exe 2892 powershell.exe 4264 311b93602be5954fd0fd5c5b27bd8dbedf1ed5f1276255c2b242719a00a1297a.exe 4264 311b93602be5954fd0fd5c5b27bd8dbedf1ed5f1276255c2b242719a00a1297a.exe 3076 powershell.exe 3076 powershell.exe 3256 311b93602be5954fd0fd5c5b27bd8dbedf1ed5f1276255c2b242719a00a1297a.exe 3256 311b93602be5954fd0fd5c5b27bd8dbedf1ed5f1276255c2b242719a00a1297a.exe 3256 311b93602be5954fd0fd5c5b27bd8dbedf1ed5f1276255c2b242719a00a1297a.exe 3256 311b93602be5954fd0fd5c5b27bd8dbedf1ed5f1276255c2b242719a00a1297a.exe 3256 311b93602be5954fd0fd5c5b27bd8dbedf1ed5f1276255c2b242719a00a1297a.exe 3256 311b93602be5954fd0fd5c5b27bd8dbedf1ed5f1276255c2b242719a00a1297a.exe 3256 311b93602be5954fd0fd5c5b27bd8dbedf1ed5f1276255c2b242719a00a1297a.exe 3256 311b93602be5954fd0fd5c5b27bd8dbedf1ed5f1276255c2b242719a00a1297a.exe 3256 311b93602be5954fd0fd5c5b27bd8dbedf1ed5f1276255c2b242719a00a1297a.exe 3256 311b93602be5954fd0fd5c5b27bd8dbedf1ed5f1276255c2b242719a00a1297a.exe 4352 powershell.exe 4352 powershell.exe 3212 powershell.exe 3212 powershell.exe 3728 powershell.exe 3728 powershell.exe 2232 powershell.exe 2232 powershell.exe 1644 powershell.exe 1644 powershell.exe 4352 injector.exe 4352 injector.exe 4352 injector.exe 4352 injector.exe 4352 injector.exe 4352 injector.exe 4924 csrss.exe 4924 csrss.exe 4352 injector.exe 4352 injector.exe 4352 injector.exe 4352 injector.exe 4352 injector.exe 4352 injector.exe 4924 csrss.exe 4924 csrss.exe 4352 injector.exe 4352 injector.exe 4924 csrss.exe 4924 csrss.exe 4352 injector.exe 4352 injector.exe 4352 injector.exe 4352 injector.exe 4352 injector.exe 4352 injector.exe 4352 injector.exe 4352 injector.exe 4352 injector.exe 4352 injector.exe 4352 injector.exe 4352 injector.exe 4352 injector.exe 4352 injector.exe 4352 injector.exe 4352 injector.exe 4352 injector.exe 4352 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe311b93602be5954fd0fd5c5b27bd8dbedf1ed5f1276255c2b242719a00a1297a.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 2892 powershell.exe Token: SeDebugPrivilege 4264 311b93602be5954fd0fd5c5b27bd8dbedf1ed5f1276255c2b242719a00a1297a.exe Token: SeImpersonatePrivilege 4264 311b93602be5954fd0fd5c5b27bd8dbedf1ed5f1276255c2b242719a00a1297a.exe Token: SeDebugPrivilege 3076 powershell.exe Token: SeDebugPrivilege 4352 powershell.exe Token: SeDebugPrivilege 3212 powershell.exe Token: SeDebugPrivilege 3728 powershell.exe Token: SeDebugPrivilege 2232 powershell.exe Token: SeDebugPrivilege 1644 powershell.exe Token: SeSystemEnvironmentPrivilege 4924 csrss.exe Token: SeSecurityPrivilege 836 sc.exe Token: SeSecurityPrivilege 836 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
311b93602be5954fd0fd5c5b27bd8dbedf1ed5f1276255c2b242719a00a1297a.exe311b93602be5954fd0fd5c5b27bd8dbedf1ed5f1276255c2b242719a00a1297a.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 4264 wrote to memory of 2892 4264 311b93602be5954fd0fd5c5b27bd8dbedf1ed5f1276255c2b242719a00a1297a.exe 87 PID 4264 wrote to memory of 2892 4264 311b93602be5954fd0fd5c5b27bd8dbedf1ed5f1276255c2b242719a00a1297a.exe 87 PID 4264 wrote to memory of 2892 4264 311b93602be5954fd0fd5c5b27bd8dbedf1ed5f1276255c2b242719a00a1297a.exe 87 PID 3256 wrote to memory of 3076 3256 311b93602be5954fd0fd5c5b27bd8dbedf1ed5f1276255c2b242719a00a1297a.exe 98 PID 3256 wrote to memory of 3076 3256 311b93602be5954fd0fd5c5b27bd8dbedf1ed5f1276255c2b242719a00a1297a.exe 98 PID 3256 wrote to memory of 3076 3256 311b93602be5954fd0fd5c5b27bd8dbedf1ed5f1276255c2b242719a00a1297a.exe 98 PID 3256 wrote to memory of 2544 3256 311b93602be5954fd0fd5c5b27bd8dbedf1ed5f1276255c2b242719a00a1297a.exe 101 PID 3256 wrote to memory of 2544 3256 311b93602be5954fd0fd5c5b27bd8dbedf1ed5f1276255c2b242719a00a1297a.exe 101 PID 2544 wrote to memory of 2080 2544 cmd.exe 103 PID 2544 wrote to memory of 2080 2544 cmd.exe 103 PID 3256 wrote to memory of 4352 3256 311b93602be5954fd0fd5c5b27bd8dbedf1ed5f1276255c2b242719a00a1297a.exe 104 PID 3256 wrote to memory of 4352 3256 311b93602be5954fd0fd5c5b27bd8dbedf1ed5f1276255c2b242719a00a1297a.exe 104 PID 3256 wrote to memory of 4352 3256 311b93602be5954fd0fd5c5b27bd8dbedf1ed5f1276255c2b242719a00a1297a.exe 104 PID 3256 wrote to memory of 3212 3256 311b93602be5954fd0fd5c5b27bd8dbedf1ed5f1276255c2b242719a00a1297a.exe 106 PID 3256 wrote to memory of 3212 3256 311b93602be5954fd0fd5c5b27bd8dbedf1ed5f1276255c2b242719a00a1297a.exe 106 PID 3256 wrote to memory of 3212 3256 311b93602be5954fd0fd5c5b27bd8dbedf1ed5f1276255c2b242719a00a1297a.exe 106 PID 3256 wrote to memory of 4924 3256 311b93602be5954fd0fd5c5b27bd8dbedf1ed5f1276255c2b242719a00a1297a.exe 108 PID 3256 wrote to memory of 4924 3256 311b93602be5954fd0fd5c5b27bd8dbedf1ed5f1276255c2b242719a00a1297a.exe 108 PID 3256 wrote to memory of 4924 3256 311b93602be5954fd0fd5c5b27bd8dbedf1ed5f1276255c2b242719a00a1297a.exe 108 PID 4924 wrote to memory of 3728 4924 csrss.exe 109 PID 4924 wrote to memory of 3728 4924 csrss.exe 109 PID 4924 wrote to memory of 3728 4924 csrss.exe 109 PID 4924 wrote to memory of 2232 4924 csrss.exe 115 PID 4924 wrote to memory of 2232 4924 csrss.exe 115 PID 4924 wrote to memory of 2232 4924 csrss.exe 115 PID 4924 wrote to memory of 1644 4924 csrss.exe 117 PID 4924 wrote to memory of 1644 4924 csrss.exe 117 PID 4924 wrote to memory of 1644 4924 csrss.exe 117 PID 4924 wrote to memory of 4352 4924 csrss.exe 119 PID 4924 wrote to memory of 4352 4924 csrss.exe 119 PID 2116 wrote to memory of 3584 2116 windefender.exe 126 PID 2116 wrote to memory of 3584 2116 windefender.exe 126 PID 2116 wrote to memory of 3584 2116 windefender.exe 126 PID 3584 wrote to memory of 836 3584 cmd.exe 127 PID 3584 wrote to memory of 836 3584 cmd.exe 127 PID 3584 wrote to memory of 836 3584 cmd.exe 127 -
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\311b93602be5954fd0fd5c5b27bd8dbedf1ed5f1276255c2b242719a00a1297a.exe"C:\Users\Admin\AppData\Local\Temp\311b93602be5954fd0fd5c5b27bd8dbedf1ed5f1276255c2b242719a00a1297a.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4264 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2892
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C:\Users\Admin\AppData\Local\Temp\311b93602be5954fd0fd5c5b27bd8dbedf1ed5f1276255c2b242719a00a1297a.exe"C:\Users\Admin\AppData\Local\Temp\311b93602be5954fd0fd5c5b27bd8dbedf1ed5f1276255c2b242719a00a1297a.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:3256 -
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:3076
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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:2544 -
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:2080
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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:4352
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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:3212
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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:4924 -
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:3728
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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:1740
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4100
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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:2232
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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:1644
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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:4352
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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:2052
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2116 -
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:3584 -
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:836
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:440
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
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD561d644f904af641a209fc21dcb78250f
SHA1a0d1e7da8accecf67dfdad0808cf29f253f95b6a
SHA2566d959a483455a779036776dd1be9e7376c1c61e02f5e2a34c03e0f93aaff0cd6
SHA51267b9f669588ff83e50b0d0fe26f96af4653641b1bf9033acdf205c6ef60385bd276a95cbfbc4d432af44753c1b0db88376ddf49cd95d8939925272676cd79d47
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD511051b9ad2df6556e3dec51e8e565367
SHA15ff3bd53910abbbcec4c4c0bbb44c1a8a246dfc5
SHA25691af0fa35c52133735a1239fe064883de228df9aaff977f462dd03ee85b04aba
SHA512f8d61f2c0c29a3bd622bac6d1bc029f9da215a1430a916c09690bc47fc03fb21ed357361e210b8e15616a368c8d3fb1d6fe3314256fbb8ac027c236194df647b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a3bb36e02b3b91d99b9000062773cf04
SHA124976775af571c6113963af943bfbe6f0bf6a386
SHA256d0acb0c5f3e1a206aa10f52e66a69f236e18d6d8ff7f81d016b2457a6bcafa64
SHA512befb496b11473602ded3b12d847cfa905541114d85412af61dbde53738127960a013da33b782b5e0785368dcb1a764bfc13ca366ea2236b848911ed7b8a2f608
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5953d0ce7088a9bcc694546715c7faf41
SHA1e18b72fe55030aa91a6c2e82d3f9cd48b1c6f08b
SHA25608bef6cc6d02ca12a35b89558987155d8b631093954977400ae6fa42ce35bf17
SHA51218ca3e5f2787850fa1fa8bf82250a0801020f99cd0722058be0d5aa4f3099a5d84545a859aaf5a4e17e955268133634dadcd92cf4147dd093cc3096489be432f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e04bc306d01561228be786e43946b38b
SHA19665542728c3ff16f499c9bde72e57346c6d8c24
SHA25626843b151bc25e8edc97893aea94a50541f665282b570c322c28914c15118aa7
SHA51247536eef44bcd859b25c7eae1663268b8a406f65f798596fa93c929d413d5ec14738f24b996dad7f146eb65886a48c82fdb660cfb5872f30fc29e2bb3edee385
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Filesize
4.1MB
MD566704c4648d3dd1ece32a06644386ff2
SHA163b9d767df00cb65447992ef7353527d7caee2c6
SHA256311b93602be5954fd0fd5c5b27bd8dbedf1ed5f1276255c2b242719a00a1297a
SHA51274c7a6ee75fca3a12bc5dac376dd8d09b7999c23db59882d20e30aa283397d1a54fb2bc2304184c129fda123dfe8153aa11e182151dee9fd7c3144b6dbf11f22
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec