Analysis
-
max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
17-05-2024 04:52
Static task
static1
Behavioral task
behavioral1
Sample
b709890fe477480c05dfc44aac2de7bc461cd8e09cd40627e37dccd0265635d2.exe
Resource
win10v2004-20240426-en
General
-
Target
b709890fe477480c05dfc44aac2de7bc461cd8e09cd40627e37dccd0265635d2.exe
-
Size
4.1MB
-
MD5
e02317fc70c7f8924818f349a0a83422
-
SHA1
73a694c27a20c577c4e70a4948dab469252a1444
-
SHA256
b709890fe477480c05dfc44aac2de7bc461cd8e09cd40627e37dccd0265635d2
-
SHA512
0a563ba7747fb23cd1656e64f35d97e5b0262e16f73b6d70465bf3e2f8bb8b53275095dbf138757cb96f125c415b60a80815c35a486201bc06cb7374e8d6dce2
-
SSDEEP
98304:mNO3yy04ogde7ep0A2AdPyQGNgd0+V4CCH3iZ/qkVniougG1d:AOA8mA0A2AFyQ3d0+aD4qkVni5d
Malware Config
Signatures
-
Glupteba payload 20 IoCs
Processes:
resource yara_rule behavioral1/memory/1792-2-0x0000000004BB0000-0x000000000549B000-memory.dmp family_glupteba behavioral1/memory/1792-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1792-28-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/1792-82-0x0000000004BB0000-0x000000000549B000-memory.dmp family_glupteba behavioral1/memory/1792-83-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1792-81-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/4204-120-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/4204-139-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/3200-161-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/3200-219-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/3200-230-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/3200-234-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/3200-238-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/3200-242-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/3200-246-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/3200-250-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/3200-254-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/3200-258-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/3200-262-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/3200-266-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 760 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid process 3200 csrss.exe 864 injector.exe 1852 windefender.exe 2076 windefender.exe -
Processes:
resource yara_rule C:\Windows\windefender.exe upx behavioral1/memory/1852-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2076-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1852-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2076-232-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2076-240-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2076-252-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
b709890fe477480c05dfc44aac2de7bc461cd8e09cd40627e37dccd0265635d2.execsrss.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" b709890fe477480c05dfc44aac2de7bc461cd8e09cd40627e37dccd0265635d2.exe Set value (str) \REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\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 7 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
Processes:
b709890fe477480c05dfc44aac2de7bc461cd8e09cd40627e37dccd0265635d2.exedescription ioc process File opened (read-only) \??\VBoxMiniRdrDN b709890fe477480c05dfc44aac2de7bc461cd8e09cd40627e37dccd0265635d2.exe -
Drops file in Windows directory 4 IoCs
Processes:
b709890fe477480c05dfc44aac2de7bc461cd8e09cd40627e37dccd0265635d2.execsrss.exedescription ioc process File opened for modification C:\Windows\rss b709890fe477480c05dfc44aac2de7bc461cd8e09cd40627e37dccd0265635d2.exe File created C:\Windows\rss\csrss.exe b709890fe477480c05dfc44aac2de7bc461cd8e09cd40627e37dccd0265635d2.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 2220 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid process 2708 powershell.exe 764 powershell.exe 2176 powershell.exe 4500 powershell.exe 3284 powershell.exe 5076 powershell.exe 4468 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 3768 schtasks.exe 3536 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
b709890fe477480c05dfc44aac2de7bc461cd8e09cd40627e37dccd0265635d2.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,-1831 = "Russia TZ 2 Daylight Time" b709890fe477480c05dfc44aac2de7bc461cd8e09cd40627e37dccd0265635d2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time" b709890fe477480c05dfc44aac2de7bc461cd8e09cd40627e37dccd0265635d2.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\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-442 = "Arabian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time" b709890fe477480c05dfc44aac2de7bc461cd8e09cd40627e37dccd0265635d2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time" b709890fe477480c05dfc44aac2de7bc461cd8e09cd40627e37dccd0265635d2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-352 = "FLE Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-931 = "Coordinated Universal Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-432 = "Iran Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time" b709890fe477480c05dfc44aac2de7bc461cd8e09cd40627e37dccd0265635d2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time" b709890fe477480c05dfc44aac2de7bc461cd8e09cd40627e37dccd0265635d2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2452 = "Saint Pierre Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time" b709890fe477480c05dfc44aac2de7bc461cd8e09cd40627e37dccd0265635d2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" b709890fe477480c05dfc44aac2de7bc461cd8e09cd40627e37dccd0265635d2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time" b709890fe477480c05dfc44aac2de7bc461cd8e09cd40627e37dccd0265635d2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-981 = "Kamchatka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-302 = "Romance Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time" b709890fe477480c05dfc44aac2de7bc461cd8e09cd40627e37dccd0265635d2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time" b709890fe477480c05dfc44aac2de7bc461cd8e09cd40627e37dccd0265635d2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time" b709890fe477480c05dfc44aac2de7bc461cd8e09cd40627e37dccd0265635d2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time" b709890fe477480c05dfc44aac2de7bc461cd8e09cd40627e37dccd0265635d2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time" b709890fe477480c05dfc44aac2de7bc461cd8e09cd40627e37dccd0265635d2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time" b709890fe477480c05dfc44aac2de7bc461cd8e09cd40627e37dccd0265635d2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time" b709890fe477480c05dfc44aac2de7bc461cd8e09cd40627e37dccd0265635d2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-81 = "Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-281 = "Central Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" b709890fe477480c05dfc44aac2de7bc461cd8e09cd40627e37dccd0265635d2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time" b709890fe477480c05dfc44aac2de7bc461cd8e09cd40627e37dccd0265635d2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time" b709890fe477480c05dfc44aac2de7bc461cd8e09cd40627e37dccd0265635d2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" b709890fe477480c05dfc44aac2de7bc461cd8e09cd40627e37dccd0265635d2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates 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\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,-391 = "Arab Daylight Time" b709890fe477480c05dfc44aac2de7bc461cd8e09cd40627e37dccd0265635d2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time" b709890fe477480c05dfc44aac2de7bc461cd8e09cd40627e37dccd0265635d2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-341 = "Egypt Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-742 = "New Zealand Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-691 = "Tasmania Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-201 = "US Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-682 = "E. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-331 = "E. Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time" b709890fe477480c05dfc44aac2de7bc461cd8e09cd40627e37dccd0265635d2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time" b709890fe477480c05dfc44aac2de7bc461cd8e09cd40627e37dccd0265635d2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs 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\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" b709890fe477480c05dfc44aac2de7bc461cd8e09cd40627e37dccd0265635d2.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exeb709890fe477480c05dfc44aac2de7bc461cd8e09cd40627e37dccd0265635d2.exepowershell.exeb709890fe477480c05dfc44aac2de7bc461cd8e09cd40627e37dccd0265635d2.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid process 3284 powershell.exe 3284 powershell.exe 1792 b709890fe477480c05dfc44aac2de7bc461cd8e09cd40627e37dccd0265635d2.exe 1792 b709890fe477480c05dfc44aac2de7bc461cd8e09cd40627e37dccd0265635d2.exe 5076 powershell.exe 5076 powershell.exe 4204 b709890fe477480c05dfc44aac2de7bc461cd8e09cd40627e37dccd0265635d2.exe 4204 b709890fe477480c05dfc44aac2de7bc461cd8e09cd40627e37dccd0265635d2.exe 4204 b709890fe477480c05dfc44aac2de7bc461cd8e09cd40627e37dccd0265635d2.exe 4204 b709890fe477480c05dfc44aac2de7bc461cd8e09cd40627e37dccd0265635d2.exe 4204 b709890fe477480c05dfc44aac2de7bc461cd8e09cd40627e37dccd0265635d2.exe 4204 b709890fe477480c05dfc44aac2de7bc461cd8e09cd40627e37dccd0265635d2.exe 4204 b709890fe477480c05dfc44aac2de7bc461cd8e09cd40627e37dccd0265635d2.exe 4204 b709890fe477480c05dfc44aac2de7bc461cd8e09cd40627e37dccd0265635d2.exe 4204 b709890fe477480c05dfc44aac2de7bc461cd8e09cd40627e37dccd0265635d2.exe 4204 b709890fe477480c05dfc44aac2de7bc461cd8e09cd40627e37dccd0265635d2.exe 4468 powershell.exe 4468 powershell.exe 2708 powershell.exe 2708 powershell.exe 764 powershell.exe 764 powershell.exe 2176 powershell.exe 2176 powershell.exe 4500 powershell.exe 4500 powershell.exe 864 injector.exe 864 injector.exe 864 injector.exe 864 injector.exe 864 injector.exe 864 injector.exe 3200 csrss.exe 3200 csrss.exe 864 injector.exe 864 injector.exe 864 injector.exe 864 injector.exe 864 injector.exe 864 injector.exe 3200 csrss.exe 3200 csrss.exe 864 injector.exe 864 injector.exe 3200 csrss.exe 3200 csrss.exe 864 injector.exe 864 injector.exe 864 injector.exe 864 injector.exe 864 injector.exe 864 injector.exe 864 injector.exe 864 injector.exe 864 injector.exe 864 injector.exe 864 injector.exe 864 injector.exe 864 injector.exe 864 injector.exe 864 injector.exe 864 injector.exe 864 injector.exe 864 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exeb709890fe477480c05dfc44aac2de7bc461cd8e09cd40627e37dccd0265635d2.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid process Token: SeDebugPrivilege 3284 powershell.exe Token: SeDebugPrivilege 1792 b709890fe477480c05dfc44aac2de7bc461cd8e09cd40627e37dccd0265635d2.exe Token: SeImpersonatePrivilege 1792 b709890fe477480c05dfc44aac2de7bc461cd8e09cd40627e37dccd0265635d2.exe Token: SeDebugPrivilege 5076 powershell.exe Token: SeDebugPrivilege 4468 powershell.exe Token: SeDebugPrivilege 2708 powershell.exe Token: SeDebugPrivilege 764 powershell.exe Token: SeDebugPrivilege 2176 powershell.exe Token: SeDebugPrivilege 4500 powershell.exe Token: SeSystemEnvironmentPrivilege 3200 csrss.exe Token: SeSecurityPrivilege 2220 sc.exe Token: SeSecurityPrivilege 2220 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
b709890fe477480c05dfc44aac2de7bc461cd8e09cd40627e37dccd0265635d2.exeb709890fe477480c05dfc44aac2de7bc461cd8e09cd40627e37dccd0265635d2.execmd.execsrss.exewindefender.execmd.exedescription pid process target process PID 1792 wrote to memory of 3284 1792 b709890fe477480c05dfc44aac2de7bc461cd8e09cd40627e37dccd0265635d2.exe powershell.exe PID 1792 wrote to memory of 3284 1792 b709890fe477480c05dfc44aac2de7bc461cd8e09cd40627e37dccd0265635d2.exe powershell.exe PID 1792 wrote to memory of 3284 1792 b709890fe477480c05dfc44aac2de7bc461cd8e09cd40627e37dccd0265635d2.exe powershell.exe PID 4204 wrote to memory of 5076 4204 b709890fe477480c05dfc44aac2de7bc461cd8e09cd40627e37dccd0265635d2.exe powershell.exe PID 4204 wrote to memory of 5076 4204 b709890fe477480c05dfc44aac2de7bc461cd8e09cd40627e37dccd0265635d2.exe powershell.exe PID 4204 wrote to memory of 5076 4204 b709890fe477480c05dfc44aac2de7bc461cd8e09cd40627e37dccd0265635d2.exe powershell.exe PID 4204 wrote to memory of 3208 4204 b709890fe477480c05dfc44aac2de7bc461cd8e09cd40627e37dccd0265635d2.exe cmd.exe PID 4204 wrote to memory of 3208 4204 b709890fe477480c05dfc44aac2de7bc461cd8e09cd40627e37dccd0265635d2.exe cmd.exe PID 3208 wrote to memory of 760 3208 cmd.exe netsh.exe PID 3208 wrote to memory of 760 3208 cmd.exe netsh.exe PID 4204 wrote to memory of 4468 4204 b709890fe477480c05dfc44aac2de7bc461cd8e09cd40627e37dccd0265635d2.exe powershell.exe PID 4204 wrote to memory of 4468 4204 b709890fe477480c05dfc44aac2de7bc461cd8e09cd40627e37dccd0265635d2.exe powershell.exe PID 4204 wrote to memory of 4468 4204 b709890fe477480c05dfc44aac2de7bc461cd8e09cd40627e37dccd0265635d2.exe powershell.exe PID 4204 wrote to memory of 2708 4204 b709890fe477480c05dfc44aac2de7bc461cd8e09cd40627e37dccd0265635d2.exe powershell.exe PID 4204 wrote to memory of 2708 4204 b709890fe477480c05dfc44aac2de7bc461cd8e09cd40627e37dccd0265635d2.exe powershell.exe PID 4204 wrote to memory of 2708 4204 b709890fe477480c05dfc44aac2de7bc461cd8e09cd40627e37dccd0265635d2.exe powershell.exe PID 4204 wrote to memory of 3200 4204 b709890fe477480c05dfc44aac2de7bc461cd8e09cd40627e37dccd0265635d2.exe csrss.exe PID 4204 wrote to memory of 3200 4204 b709890fe477480c05dfc44aac2de7bc461cd8e09cd40627e37dccd0265635d2.exe csrss.exe PID 4204 wrote to memory of 3200 4204 b709890fe477480c05dfc44aac2de7bc461cd8e09cd40627e37dccd0265635d2.exe csrss.exe PID 3200 wrote to memory of 764 3200 csrss.exe powershell.exe PID 3200 wrote to memory of 764 3200 csrss.exe powershell.exe PID 3200 wrote to memory of 764 3200 csrss.exe powershell.exe PID 3200 wrote to memory of 2176 3200 csrss.exe powershell.exe PID 3200 wrote to memory of 2176 3200 csrss.exe powershell.exe PID 3200 wrote to memory of 2176 3200 csrss.exe powershell.exe PID 3200 wrote to memory of 4500 3200 csrss.exe powershell.exe PID 3200 wrote to memory of 4500 3200 csrss.exe powershell.exe PID 3200 wrote to memory of 4500 3200 csrss.exe powershell.exe PID 3200 wrote to memory of 864 3200 csrss.exe injector.exe PID 3200 wrote to memory of 864 3200 csrss.exe injector.exe PID 1852 wrote to memory of 3196 1852 windefender.exe cmd.exe PID 1852 wrote to memory of 3196 1852 windefender.exe cmd.exe PID 1852 wrote to memory of 3196 1852 windefender.exe cmd.exe PID 3196 wrote to memory of 2220 3196 cmd.exe sc.exe PID 3196 wrote to memory of 2220 3196 cmd.exe sc.exe PID 3196 wrote to memory of 2220 3196 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
-
C:\Users\Admin\AppData\Local\Temp\b709890fe477480c05dfc44aac2de7bc461cd8e09cd40627e37dccd0265635d2.exe"C:\Users\Admin\AppData\Local\Temp\b709890fe477480c05dfc44aac2de7bc461cd8e09cd40627e37dccd0265635d2.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1792 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3284 -
C:\Users\Admin\AppData\Local\Temp\b709890fe477480c05dfc44aac2de7bc461cd8e09cd40627e37dccd0265635d2.exe"C:\Users\Admin\AppData\Local\Temp\b709890fe477480c05dfc44aac2de7bc461cd8e09cd40627e37dccd0265635d2.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:4204 -
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:5076 -
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:3208 -
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:760 -
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:4468 -
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:2708 -
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:3200 -
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:764 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:3768 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2180
-
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:2176 -
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:4500 -
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:864 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:3536 -
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1852 -
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:3196 -
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:2220
-
C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2076
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
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52294e8cd7db8be80fa6f04d789d13bc8
SHA1ebd2c215937fda5319df7e2fe35efced6e7e98fb
SHA256c4a918459f98c146a3460c91bf12fca26086880225b3439a6bf54ce0afe27a9f
SHA512e459a44b521ee2e4d9d13a8e3eb3a8197117c2df438f6a53accd125d3a5b2509dc444159cf566a689cb9e07ed66c66118aa3fd18d2454fb96b19781b9dee9311
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b97c040736ead70d4c65d2f9f0878ad4
SHA1f3b92ade7ee230d8d92cd8613327f2b971fd1901
SHA256c477453c4fbe0fc78ba9f3ed375630deba92f11a028819e18bd64c1d695452ad
SHA512cbe20b84d21e45f5c8bf67db47d0cb63112d84a9a56e40666675428907a1e1e0d69c00f62451df5a00b113a8bb19f7fdbf908fc5e759eb43e9d43129222ee1ef
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e7381dbdca40ea56ddcf7d87483481ca
SHA1fff6e1ccc4cd3a29542b9cb2dda6d1817c0df659
SHA256109166dcc3a669df790f28d3192268b09ed2c1b7cba120380522c4fd6eeb57f9
SHA5121e66100ebd490fa4f5097175ad93dca49ccb076a81c59c776f0d1bf53e7dbde714316660bf79dad6cd073937222c952b8f9d00c62d5ab8ddd3daff0e20169d15
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a7387f5e6ac9fd0b73942b372ef5cdd9
SHA18378f37799ea22451b0fe8874e7ea6c9874f1811
SHA2564355c277c14011ffa59ced52252a93f861d8fc3ca84f9b005877f6b9f873e95c
SHA5129d4eababee472ff9954f15ce89bc50cdf1298bf64d76a2bdaf0448d4248cc85ee0ade9a072e827c22908af82c674b8dcfaad0b6f7fa4b4936ce97d8a83b9318d
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD596d3750dfb4cbeaaa5495b1e2db68f20
SHA172aa894a60e19bc8ecfc5124409b28fa673d6e7b
SHA2566c59872d9b0a856fd89f906300e88be32146249e479f232560aaf46205d21bdf
SHA51249cd63ba6ba6ff7fea075450803824deaab30332f8d3554b47d5b6849fbfd41ba64e6d27a47a61db576f1a8b7a68c23c02bd350ffd15dd1f2c10546417da8b62
-
Filesize
4.1MB
MD5e02317fc70c7f8924818f349a0a83422
SHA173a694c27a20c577c4e70a4948dab469252a1444
SHA256b709890fe477480c05dfc44aac2de7bc461cd8e09cd40627e37dccd0265635d2
SHA5120a563ba7747fb23cd1656e64f35d97e5b0262e16f73b6d70465bf3e2f8bb8b53275095dbf138757cb96f125c415b60a80815c35a486201bc06cb7374e8d6dce2
-
Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec