Analysis
-
max time kernel
149s -
max time network
151s -
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 13:23
Static task
static1
Behavioral task
behavioral1
Sample
cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.exe
Resource
win10v2004-20240426-en
General
-
Target
cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.exe
-
Size
4.1MB
-
MD5
5b757bfa4853e2eee90b10dc0dfc8f59
-
SHA1
d9f6a1873809e88aeff21286534999cc05999944
-
SHA256
cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c
-
SHA512
f8a605741f0722bae4153f01c5f7f377e3a7b0126b445a3e80ee62c53389e329f6f777d053305debfd077f9c2e7e16f50a81cbe6608b64fe158bb40214cfe7dd
-
SSDEEP
98304:EQJMl/iXMhTmfDhNRe9xfYVEx7xkD10HZd3scl3XzHAtmo0F5:/b8hTmbBIxHPR3rn3oK5
Malware Config
Signatures
-
Glupteba payload 19 IoCs
Processes:
resource yara_rule behavioral1/memory/4148-2-0x0000000004BD0000-0x00000000054BB000-memory.dmp family_glupteba behavioral1/memory/4148-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4148-45-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4148-58-0x0000000004BD0000-0x00000000054BB000-memory.dmp family_glupteba behavioral1/memory/4148-59-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4148-56-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/2124-138-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/3216-215-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/3216-222-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/3216-232-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/3216-234-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/3216-236-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/3216-238-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/3216-240-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/3216-242-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/3216-244-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/3216-246-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/3216-248-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/3216-250-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 1056 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid process 3216 csrss.exe 1740 injector.exe 1168 windefender.exe 4180 windefender.exe -
Processes:
resource yara_rule C:\Windows\windefender.exe upx behavioral1/memory/1168-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1168-231-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4180-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4180-233-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4180-237-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.execsrss.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.exe Set value (str) \REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\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:
cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.exedescription ioc process File opened (read-only) \??\VBoxMiniRdrDN cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.exe -
Drops file in Windows directory 4 IoCs
Processes:
cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.execsrss.exedescription ioc process File opened for modification C:\Windows\rss cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.exe File created C:\Windows\rss\csrss.exe cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.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 3588 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid process 3044 powershell.exe 1864 powershell.exe 2640 powershell.exe 2924 powershell.exe 1128 powershell.exe 4356 powershell.exe 3996 powershell.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 2740 2124 WerFault.exe cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.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 1060 schtasks.exe 2472 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.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,-252 = "Dateline Standard Time" cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-891 = "Morocco Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-105 = "Central Brazilian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2002 = "Cabo Verde Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2431 = "Cuba Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.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,-162 = "Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time" cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time" cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot 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\@tzres.dll,-232 = "Hawaiian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2512 = "Lord Howe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-912 = "Mauritius Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2772 = "Omsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2842 = "Saratov Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time" cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-441 = "Arabian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1022 = "Bangladesh Standard 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,-1802 = "Line Islands Standard Time" cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.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 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\@tzres.dll,-501 = "Nepal Daylight 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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2141 = "Transbaikal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time" cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time" cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.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\@tzres.dll,-2392 = "Aleutian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2612 = "Bougainville Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.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\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time" cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time" cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-741 = "New Zealand Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time" cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust 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\@tzres.dll,-231 = "Hawaiian 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,-2061 = "North Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time" cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time" cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.execae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.exepowershell.execae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid process 1128 powershell.exe 1128 powershell.exe 4148 cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.exe 4148 cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.exe 4356 powershell.exe 4356 powershell.exe 2124 cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.exe 2124 cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.exe 2124 cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.exe 2124 cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.exe 2124 cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.exe 2124 cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.exe 2124 cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.exe 2124 cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.exe 2124 cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.exe 2124 cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.exe 3996 powershell.exe 3996 powershell.exe 3044 powershell.exe 3044 powershell.exe 1864 powershell.exe 1864 powershell.exe 2640 powershell.exe 2640 powershell.exe 2924 powershell.exe 2924 powershell.exe 1740 injector.exe 1740 injector.exe 1740 injector.exe 1740 injector.exe 1740 injector.exe 1740 injector.exe 3216 csrss.exe 3216 csrss.exe 1740 injector.exe 1740 injector.exe 1740 injector.exe 1740 injector.exe 1740 injector.exe 1740 injector.exe 3216 csrss.exe 3216 csrss.exe 1740 injector.exe 1740 injector.exe 3216 csrss.exe 3216 csrss.exe 1740 injector.exe 1740 injector.exe 1740 injector.exe 1740 injector.exe 1740 injector.exe 1740 injector.exe 1740 injector.exe 1740 injector.exe 1740 injector.exe 1740 injector.exe 1740 injector.exe 1740 injector.exe 1740 injector.exe 1740 injector.exe 1740 injector.exe 1740 injector.exe 1740 injector.exe 1740 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.execae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid process Token: SeDebugPrivilege 1128 powershell.exe Token: SeDebugPrivilege 4148 cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.exe Token: SeImpersonatePrivilege 4148 cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.exe Token: SeDebugPrivilege 4356 powershell.exe Token: SeDebugPrivilege 3996 powershell.exe Token: SeDebugPrivilege 3044 powershell.exe Token: SeDebugPrivilege 1864 powershell.exe Token: SeDebugPrivilege 2640 powershell.exe Token: SeDebugPrivilege 2924 powershell.exe Token: SeSystemEnvironmentPrivilege 3216 csrss.exe Token: SeSecurityPrivilege 3588 sc.exe Token: SeSecurityPrivilege 3588 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.execae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.execmd.execsrss.exewindefender.execmd.exedescription pid process target process PID 4148 wrote to memory of 1128 4148 cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.exe powershell.exe PID 4148 wrote to memory of 1128 4148 cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.exe powershell.exe PID 4148 wrote to memory of 1128 4148 cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.exe powershell.exe PID 2124 wrote to memory of 4356 2124 cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.exe powershell.exe PID 2124 wrote to memory of 4356 2124 cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.exe powershell.exe PID 2124 wrote to memory of 4356 2124 cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.exe powershell.exe PID 2124 wrote to memory of 5096 2124 cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.exe cmd.exe PID 2124 wrote to memory of 5096 2124 cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.exe cmd.exe PID 5096 wrote to memory of 1056 5096 cmd.exe netsh.exe PID 5096 wrote to memory of 1056 5096 cmd.exe netsh.exe PID 2124 wrote to memory of 3996 2124 cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.exe powershell.exe PID 2124 wrote to memory of 3996 2124 cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.exe powershell.exe PID 2124 wrote to memory of 3996 2124 cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.exe powershell.exe PID 2124 wrote to memory of 3044 2124 cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.exe powershell.exe PID 2124 wrote to memory of 3044 2124 cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.exe powershell.exe PID 2124 wrote to memory of 3044 2124 cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.exe powershell.exe PID 2124 wrote to memory of 3216 2124 cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.exe csrss.exe PID 2124 wrote to memory of 3216 2124 cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.exe csrss.exe PID 2124 wrote to memory of 3216 2124 cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.exe csrss.exe PID 3216 wrote to memory of 1864 3216 csrss.exe powershell.exe PID 3216 wrote to memory of 1864 3216 csrss.exe powershell.exe PID 3216 wrote to memory of 1864 3216 csrss.exe powershell.exe PID 3216 wrote to memory of 2640 3216 csrss.exe powershell.exe PID 3216 wrote to memory of 2640 3216 csrss.exe powershell.exe PID 3216 wrote to memory of 2640 3216 csrss.exe powershell.exe PID 3216 wrote to memory of 2924 3216 csrss.exe powershell.exe PID 3216 wrote to memory of 2924 3216 csrss.exe powershell.exe PID 3216 wrote to memory of 2924 3216 csrss.exe powershell.exe PID 3216 wrote to memory of 1740 3216 csrss.exe injector.exe PID 3216 wrote to memory of 1740 3216 csrss.exe injector.exe PID 1168 wrote to memory of 4436 1168 windefender.exe cmd.exe PID 1168 wrote to memory of 4436 1168 windefender.exe cmd.exe PID 1168 wrote to memory of 4436 1168 windefender.exe cmd.exe PID 4436 wrote to memory of 3588 4436 cmd.exe sc.exe PID 4436 wrote to memory of 3588 4436 cmd.exe sc.exe PID 4436 wrote to memory of 3588 4436 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\cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.exe"C:\Users\Admin\AppData\Local\Temp\cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4148 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1128 -
C:\Users\Admin\AppData\Local\Temp\cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.exe"C:\Users\Admin\AppData\Local\Temp\cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.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:2124 -
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:4356 -
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:5096 -
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:1056 -
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:3996 -
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:3044 -
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:3216 -
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:1864 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:1060 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4352
-
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:2640 -
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:2924 -
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:1740 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:2472 -
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1168 -
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:4436 -
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:3588 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2124 -s 7963⤵
- Program crash
PID:2740
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 2124 -ip 21241⤵PID:1892
-
C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4180
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
MD5cc4f50c0ab3627d6cfae11438462263a
SHA1a96910250f756b340a7bb437d4673dff191c8023
SHA256585e6c263b32f678186f5116aaeed6e682f5ab50d4dee543d27c25740e53494d
SHA51270c9db816858f626638c70ebd0ea04ad203d648b66f5a9d906c5c151c8043c05a7844f6559f1f01a3f4a20509e45ef26cb1f8b78aa3e78ae7de3b24121d0d99c
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d5d73e856f40a6735d78f9e00674ba27
SHA14745edf3fc02f2f8004716dfcca9b2106e7b9951
SHA25638f400a85e5aeff37355b33fdb05b8f5c4688c4122967f0412c244668aadbdd3
SHA5120b2f9e17866d40e292856b2a57378a36f843eab16e645e738fd6bd2e0f2f78b72b9c835eab1307c7ea852aace10982a5834409c50b4bfae1edd1c0060547bd41
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a023ac6127eb331867a76649d1544663
SHA140104ff6ff56e1d035eafe859669e4e03f4e5be0
SHA25667ad3049ecf106f915461b27e30873df429e56bea8efd73b845e6256b02c7e0a
SHA512698f8824aa7bc3a4b94d5295caa4cfb361f23f924d6e166575ea888b2787715c2f02d3ff8ec8cbbe5b4babaa0d17ad3bd92130348cd3b5144bf5319c9933dcf0
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52ede95c0cad29fd8cbaf3e1a5a3570ba
SHA1529320a38bb5170c989f75c808a14d80bb994728
SHA2569936556972b7296d2cf346c81e212b86a6e12596cacb2b471c1a15f4e4ec9bd4
SHA512296f6e72a7b3cd22d9f09d453b0eb50cfefef4410bae226293bdeb9b61cdefea1aa8c2ee0252f71bbde28ad5308fa51290ba8350ee31b3142c14ca83cfcbe67b
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5aad2b13988d09a614bd62f7b706028d1
SHA18d109705a6a682a9035bfc07628b600d76f0412d
SHA256d864c36f70a57c07e81b22bbf64e9129d74a22de21af116cf672fdeff4182419
SHA5124d2c777cb0bcfb39791992995dd85095524741da0c8e8d7b4e887eb9d9db16df07b93ac100742f45c9c1e519bd6d90bb12ea0bb36e05fdc7a770d164c2f13fcd
-
Filesize
4.1MB
MD55b757bfa4853e2eee90b10dc0dfc8f59
SHA1d9f6a1873809e88aeff21286534999cc05999944
SHA256cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c
SHA512f8a605741f0722bae4153f01c5f7f377e3a7b0126b445a3e80ee62c53389e329f6f777d053305debfd077f9c2e7e16f50a81cbe6608b64fe158bb40214cfe7dd
-
Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec