Analysis
-
max time kernel
149s -
max time network
144s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
19-05-2024 16:27
Static task
static1
Behavioral task
behavioral1
Sample
2cd989a642e7271bba17689b3d9dd31473cd1a0da797528ec68b7a2ccd3c1ccf.exe
Resource
win10v2004-20240508-en
General
-
Target
2cd989a642e7271bba17689b3d9dd31473cd1a0da797528ec68b7a2ccd3c1ccf.exe
-
Size
4.1MB
-
MD5
cc3a818164350095888eac968fc2fdec
-
SHA1
d456a93da14729bdbb25041b0d22f4fbd0636197
-
SHA256
2cd989a642e7271bba17689b3d9dd31473cd1a0da797528ec68b7a2ccd3c1ccf
-
SHA512
f0ffe11cba556fd6cc26928408dbf5d05d7f132f3bd552c8a257aa96d962f7999e227990622abc398c363d520a0a73445e852bc9b0cc5c40d6af94341541e96f
-
SSDEEP
98304:5vHfbigA34ifkpJZQU0TgaIfW6UkFHwAhDtgwFW+1s:5vHfb2IifudqhIuUHwAjW+W
Malware Config
Signatures
-
Glupteba payload 19 IoCs
Processes:
resource yara_rule behavioral1/memory/3644-2-0x0000000004920000-0x000000000520B000-memory.dmp family_glupteba behavioral1/memory/3644-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3644-76-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/1292-104-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3644-107-0x0000000004920000-0x000000000520B000-memory.dmp family_glupteba behavioral1/memory/3644-155-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1688-181-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/1688-189-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/1688-200-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/1688-203-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/1688-206-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/1688-209-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/1688-212-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/1688-215-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/1688-218-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/1688-221-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/1688-224-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/1688-227-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/1688-230-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 3036 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 1688 csrss.exe 100 injector.exe 4444 windefender.exe 4612 windefender.exe -
Processes:
resource yara_rule behavioral1/files/0x0009000000023456-192.dat upx behavioral1/memory/4444-193-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4612-196-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4444-198-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4612-202-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4612-207-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
2cd989a642e7271bba17689b3d9dd31473cd1a0da797528ec68b7a2ccd3c1ccf.execsrss.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 2cd989a642e7271bba17689b3d9dd31473cd1a0da797528ec68b7a2ccd3c1ccf.exe Set value (str) \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\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.
-
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 6 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription 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 -
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:
2cd989a642e7271bba17689b3d9dd31473cd1a0da797528ec68b7a2ccd3c1ccf.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN 2cd989a642e7271bba17689b3d9dd31473cd1a0da797528ec68b7a2ccd3c1ccf.exe -
Drops file in Windows directory 4 IoCs
Processes:
csrss.exe2cd989a642e7271bba17689b3d9dd31473cd1a0da797528ec68b7a2ccd3c1ccf.exedescription ioc Process File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 2cd989a642e7271bba17689b3d9dd31473cd1a0da797528ec68b7a2ccd3c1ccf.exe File created C:\Windows\rss\csrss.exe 2cd989a642e7271bba17689b3d9dd31473cd1a0da797528ec68b7a2ccd3c1ccf.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 5048 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 2484 powershell.exe 4500 powershell.exe 3596 powershell.exe 1416 powershell.exe 3576 powershell.exe 1304 powershell.exe 2808 powershell.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target Process procid_target 1336 4500 WerFault.exe 85 -
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 4160 schtasks.exe 3084 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
2cd989a642e7271bba17689b3d9dd31473cd1a0da797528ec68b7a2ccd3c1ccf.exepowershell.exepowershell.exepowershell.exewindefender.exepowershell.exepowershell.exepowershell.exedescription ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time" 2cd989a642e7271bba17689b3d9dd31473cd1a0da797528ec68b7a2ccd3c1ccf.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time" 2cd989a642e7271bba17689b3d9dd31473cd1a0da797528ec68b7a2ccd3c1ccf.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs 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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" 2cd989a642e7271bba17689b3d9dd31473cd1a0da797528ec68b7a2ccd3c1ccf.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2791 = "Novosibirsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" 2cd989a642e7271bba17689b3d9dd31473cd1a0da797528ec68b7a2ccd3c1ccf.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time" 2cd989a642e7271bba17689b3d9dd31473cd1a0da797528ec68b7a2ccd3c1ccf.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time" 2cd989a642e7271bba17689b3d9dd31473cd1a0da797528ec68b7a2ccd3c1ccf.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time" 2cd989a642e7271bba17689b3d9dd31473cd1a0da797528ec68b7a2ccd3c1ccf.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" 2cd989a642e7271bba17689b3d9dd31473cd1a0da797528ec68b7a2ccd3c1ccf.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,-251 = "Dateline Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-681 = "E. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time" 2cd989a642e7271bba17689b3d9dd31473cd1a0da797528ec68b7a2ccd3c1ccf.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2411 = "Marquesas Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-32 = "Mid-Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-272 = "Greenwich Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-282 = "Central Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-431 = "Iran Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2941 = "Sao Tome Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-632 = "Tokyo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time" 2cd989a642e7271bba17689b3d9dd31473cd1a0da797528ec68b7a2ccd3c1ccf.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-401 = "Arabic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-621 = "Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2592 = "Tocantins Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" 2cd989a642e7271bba17689b3d9dd31473cd1a0da797528ec68b7a2ccd3c1ccf.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" 2cd989a642e7271bba17689b3d9dd31473cd1a0da797528ec68b7a2ccd3c1ccf.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time" 2cd989a642e7271bba17689b3d9dd31473cd1a0da797528ec68b7a2ccd3c1ccf.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs 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,-435 = "Georgian Standard 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,-1831 = "Russia TZ 2 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" 2cd989a642e7271bba17689b3d9dd31473cd1a0da797528ec68b7a2ccd3c1ccf.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2451 = "Saint Pierre Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time" 2cd989a642e7271bba17689b3d9dd31473cd1a0da797528ec68b7a2ccd3c1ccf.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\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,-721 = "Central Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" 2cd989a642e7271bba17689b3d9dd31473cd1a0da797528ec68b7a2ccd3c1ccf.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,-411 = "E. Africa Daylight Time" windefender.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" 2cd989a642e7271bba17689b3d9dd31473cd1a0da797528ec68b7a2ccd3c1ccf.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1912 = "Russia TZ 10 Standard Time" 2cd989a642e7271bba17689b3d9dd31473cd1a0da797528ec68b7a2ccd3c1ccf.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" 2cd989a642e7271bba17689b3d9dd31473cd1a0da797528ec68b7a2ccd3c1ccf.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time" 2cd989a642e7271bba17689b3d9dd31473cd1a0da797528ec68b7a2ccd3c1ccf.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time" 2cd989a642e7271bba17689b3d9dd31473cd1a0da797528ec68b7a2ccd3c1ccf.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-131 = "US Eastern Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe2cd989a642e7271bba17689b3d9dd31473cd1a0da797528ec68b7a2ccd3c1ccf.exepowershell.exe2cd989a642e7271bba17689b3d9dd31473cd1a0da797528ec68b7a2ccd3c1ccf.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 4500 powershell.exe 4500 powershell.exe 3644 2cd989a642e7271bba17689b3d9dd31473cd1a0da797528ec68b7a2ccd3c1ccf.exe 3644 2cd989a642e7271bba17689b3d9dd31473cd1a0da797528ec68b7a2ccd3c1ccf.exe 3596 powershell.exe 3596 powershell.exe 1292 2cd989a642e7271bba17689b3d9dd31473cd1a0da797528ec68b7a2ccd3c1ccf.exe 1292 2cd989a642e7271bba17689b3d9dd31473cd1a0da797528ec68b7a2ccd3c1ccf.exe 1292 2cd989a642e7271bba17689b3d9dd31473cd1a0da797528ec68b7a2ccd3c1ccf.exe 1292 2cd989a642e7271bba17689b3d9dd31473cd1a0da797528ec68b7a2ccd3c1ccf.exe 1292 2cd989a642e7271bba17689b3d9dd31473cd1a0da797528ec68b7a2ccd3c1ccf.exe 1292 2cd989a642e7271bba17689b3d9dd31473cd1a0da797528ec68b7a2ccd3c1ccf.exe 1292 2cd989a642e7271bba17689b3d9dd31473cd1a0da797528ec68b7a2ccd3c1ccf.exe 1292 2cd989a642e7271bba17689b3d9dd31473cd1a0da797528ec68b7a2ccd3c1ccf.exe 1292 2cd989a642e7271bba17689b3d9dd31473cd1a0da797528ec68b7a2ccd3c1ccf.exe 1292 2cd989a642e7271bba17689b3d9dd31473cd1a0da797528ec68b7a2ccd3c1ccf.exe 3576 powershell.exe 3576 powershell.exe 1304 powershell.exe 1304 powershell.exe 2808 powershell.exe 2808 powershell.exe 2484 powershell.exe 2484 powershell.exe 100 injector.exe 100 injector.exe 100 injector.exe 100 injector.exe 100 injector.exe 100 injector.exe 1688 csrss.exe 1688 csrss.exe 100 injector.exe 100 injector.exe 100 injector.exe 100 injector.exe 100 injector.exe 100 injector.exe 1688 csrss.exe 1688 csrss.exe 100 injector.exe 100 injector.exe 100 injector.exe 100 injector.exe 1688 csrss.exe 1688 csrss.exe 100 injector.exe 100 injector.exe 100 injector.exe 100 injector.exe 100 injector.exe 100 injector.exe 100 injector.exe 100 injector.exe 100 injector.exe 100 injector.exe 100 injector.exe 100 injector.exe 100 injector.exe 100 injector.exe 100 injector.exe 100 injector.exe 100 injector.exe 100 injector.exe -
Suspicious use of AdjustPrivilegeToken 11 IoCs
Processes:
powershell.exe2cd989a642e7271bba17689b3d9dd31473cd1a0da797528ec68b7a2ccd3c1ccf.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 4500 powershell.exe Token: SeDebugPrivilege 3644 2cd989a642e7271bba17689b3d9dd31473cd1a0da797528ec68b7a2ccd3c1ccf.exe Token: SeImpersonatePrivilege 3644 2cd989a642e7271bba17689b3d9dd31473cd1a0da797528ec68b7a2ccd3c1ccf.exe Token: SeDebugPrivilege 3596 powershell.exe Token: SeDebugPrivilege 3576 powershell.exe Token: SeDebugPrivilege 1304 powershell.exe Token: SeDebugPrivilege 2808 powershell.exe Token: SeDebugPrivilege 2484 powershell.exe Token: SeSystemEnvironmentPrivilege 1688 csrss.exe Token: SeSecurityPrivilege 5048 sc.exe Token: SeSecurityPrivilege 5048 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
2cd989a642e7271bba17689b3d9dd31473cd1a0da797528ec68b7a2ccd3c1ccf.exe2cd989a642e7271bba17689b3d9dd31473cd1a0da797528ec68b7a2ccd3c1ccf.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 3644 wrote to memory of 4500 3644 2cd989a642e7271bba17689b3d9dd31473cd1a0da797528ec68b7a2ccd3c1ccf.exe 85 PID 3644 wrote to memory of 4500 3644 2cd989a642e7271bba17689b3d9dd31473cd1a0da797528ec68b7a2ccd3c1ccf.exe 85 PID 3644 wrote to memory of 4500 3644 2cd989a642e7271bba17689b3d9dd31473cd1a0da797528ec68b7a2ccd3c1ccf.exe 85 PID 1292 wrote to memory of 3596 1292 2cd989a642e7271bba17689b3d9dd31473cd1a0da797528ec68b7a2ccd3c1ccf.exe 100 PID 1292 wrote to memory of 3596 1292 2cd989a642e7271bba17689b3d9dd31473cd1a0da797528ec68b7a2ccd3c1ccf.exe 100 PID 1292 wrote to memory of 3596 1292 2cd989a642e7271bba17689b3d9dd31473cd1a0da797528ec68b7a2ccd3c1ccf.exe 100 PID 1292 wrote to memory of 2184 1292 2cd989a642e7271bba17689b3d9dd31473cd1a0da797528ec68b7a2ccd3c1ccf.exe 104 PID 1292 wrote to memory of 2184 1292 2cd989a642e7271bba17689b3d9dd31473cd1a0da797528ec68b7a2ccd3c1ccf.exe 104 PID 2184 wrote to memory of 3036 2184 cmd.exe 106 PID 2184 wrote to memory of 3036 2184 cmd.exe 106 PID 1292 wrote to memory of 1416 1292 2cd989a642e7271bba17689b3d9dd31473cd1a0da797528ec68b7a2ccd3c1ccf.exe 107 PID 1292 wrote to memory of 1416 1292 2cd989a642e7271bba17689b3d9dd31473cd1a0da797528ec68b7a2ccd3c1ccf.exe 107 PID 1292 wrote to memory of 1416 1292 2cd989a642e7271bba17689b3d9dd31473cd1a0da797528ec68b7a2ccd3c1ccf.exe 107 PID 1292 wrote to memory of 3576 1292 2cd989a642e7271bba17689b3d9dd31473cd1a0da797528ec68b7a2ccd3c1ccf.exe 110 PID 1292 wrote to memory of 3576 1292 2cd989a642e7271bba17689b3d9dd31473cd1a0da797528ec68b7a2ccd3c1ccf.exe 110 PID 1292 wrote to memory of 3576 1292 2cd989a642e7271bba17689b3d9dd31473cd1a0da797528ec68b7a2ccd3c1ccf.exe 110 PID 1292 wrote to memory of 1688 1292 2cd989a642e7271bba17689b3d9dd31473cd1a0da797528ec68b7a2ccd3c1ccf.exe 112 PID 1292 wrote to memory of 1688 1292 2cd989a642e7271bba17689b3d9dd31473cd1a0da797528ec68b7a2ccd3c1ccf.exe 112 PID 1292 wrote to memory of 1688 1292 2cd989a642e7271bba17689b3d9dd31473cd1a0da797528ec68b7a2ccd3c1ccf.exe 112 PID 1688 wrote to memory of 1304 1688 csrss.exe 113 PID 1688 wrote to memory of 1304 1688 csrss.exe 113 PID 1688 wrote to memory of 1304 1688 csrss.exe 113 PID 1688 wrote to memory of 2808 1688 csrss.exe 119 PID 1688 wrote to memory of 2808 1688 csrss.exe 119 PID 1688 wrote to memory of 2808 1688 csrss.exe 119 PID 1688 wrote to memory of 2484 1688 csrss.exe 121 PID 1688 wrote to memory of 2484 1688 csrss.exe 121 PID 1688 wrote to memory of 2484 1688 csrss.exe 121 PID 1688 wrote to memory of 100 1688 csrss.exe 123 PID 1688 wrote to memory of 100 1688 csrss.exe 123 PID 4444 wrote to memory of 4384 4444 windefender.exe 131 PID 4444 wrote to memory of 4384 4444 windefender.exe 131 PID 4444 wrote to memory of 4384 4444 windefender.exe 131 PID 4384 wrote to memory of 5048 4384 cmd.exe 132 PID 4384 wrote to memory of 5048 4384 cmd.exe 132 PID 4384 wrote to memory of 5048 4384 cmd.exe 132 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
-
C:\Users\Admin\AppData\Local\Temp\2cd989a642e7271bba17689b3d9dd31473cd1a0da797528ec68b7a2ccd3c1ccf.exe"C:\Users\Admin\AppData\Local\Temp\2cd989a642e7271bba17689b3d9dd31473cd1a0da797528ec68b7a2ccd3c1ccf.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3644 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4500 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4500 -s 25763⤵
- Program crash
PID:1336
-
-
-
C:\Users\Admin\AppData\Local\Temp\2cd989a642e7271bba17689b3d9dd31473cd1a0da797528ec68b7a2ccd3c1ccf.exe"C:\Users\Admin\AppData\Local\Temp\2cd989a642e7271bba17689b3d9dd31473cd1a0da797528ec68b7a2ccd3c1ccf.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:1292 -
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:3596
-
-
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:2184 -
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:3036
-
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
PID:1416
-
-
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:3576
-
-
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:1688 -
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:1304
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:4160
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:764
-
-
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:2808
-
-
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:2484
-
-
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:100
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:3084
-
-
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4444 -
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:4384 -
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:5048
-
-
-
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4500 -ip 45001⤵PID:2552
-
C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4612
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
Loading Replay Monitor...
Downloads
-
Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
-
Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57aaa581bb3cd37a49277f2d8fd3ff02a
SHA13e369b4f879da0bf90dadbeb9a5151ef63119a96
SHA2567181878418ae9c8b3b3fee3448525bf4c6162a38917b9739a01bdfe4b4cb53df
SHA512ccbbfe07685058c66405857ff03e283c6185259efe003992c1340eddd44fe8a60a11d9350ca3d252f8bd1d590b79d8efbc3939715a49d2d6bbf35bf19bec4ca3
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD539baccb9884665c13d79ea181e1b43e4
SHA1cc8583e03a3b87d8f86391915653a05316b9e510
SHA256c5b39c422cb9c29842609b2d6fe982c9b2e91e525b0453e0c74b25664476f715
SHA51215f44fcfb7215d7561d9cea1c735d70d200c819f6a9fbe92e21b50341c123b3d3eb49d043c6e5a88f0e5910a31c6f49b4719d48263fdc804fc0e9386f0e5e5e2
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53796e7b90f55d1942e2ce0ec35833ec7
SHA1d05ea770386dd16c8d0d17805447817c97b3681f
SHA256bbfdd1f13b2f921dc85f2e1813e24f48dd9e2dd574cb10e7e27c435b04dfed24
SHA5121568a214ddec5c73904917a6762a065c93745c20caff025f7c79fe691cf42db9d06e005db10953c2fb401f35653e96cf7e24b27106c317c9d3f717186e1801ca
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ed4572c0c7b8a4b9475ae8606c99b0c2
SHA1a49644817495125cb6973a6b9c7121ae2bb2069d
SHA25692b1a7896058d7db666b108ab5c07a93cbcbed5abd79ea76dd70f65cf9b0fc7c
SHA512c9fe5a3520ad13bdfe7218397561046aa35b229cf74f3dfda66ce7f24a6233707ca154b806fefb53bb26421da328d9e5bc2a5b0fa1dceb8c7d3e1db375f8e8e8
-
Filesize
4.1MB
MD5cc3a818164350095888eac968fc2fdec
SHA1d456a93da14729bdbb25041b0d22f4fbd0636197
SHA2562cd989a642e7271bba17689b3d9dd31473cd1a0da797528ec68b7a2ccd3c1ccf
SHA512f0ffe11cba556fd6cc26928408dbf5d05d7f132f3bd552c8a257aa96d962f7999e227990622abc398c363d520a0a73445e852bc9b0cc5c40d6af94341541e96f
-
Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec