Analysis
-
max time kernel
149s -
max time network
147s -
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 07:06
Static task
static1
Behavioral task
behavioral1
Sample
86b718dc035f6a1e4f6d93a94ecc09e5249fcb758f1142b625efa19c81823837.exe
Resource
win10v2004-20240426-en
General
-
Target
86b718dc035f6a1e4f6d93a94ecc09e5249fcb758f1142b625efa19c81823837.exe
-
Size
4.1MB
-
MD5
22f1778a96692782c1d7f7f6f3cffa57
-
SHA1
92afc8285831970b0ce8a09a9aee82e8831b3a9f
-
SHA256
86b718dc035f6a1e4f6d93a94ecc09e5249fcb758f1142b625efa19c81823837
-
SHA512
f47b1d614a4f2c9d868cefa828095d24e268bc15b395d3bd4346f7ab2260e7fdf3a227a18168cd930bf38eec22e22a32ab4912f9f971c4829557c6eb898ad9ec
-
SSDEEP
98304:g0IUXroYDzElV89sdV2qHm3LaKbYXl7F29tEHWEXgelgSAZWSyDiLZ:bIU7SlV8K2X2AhEHFgekcW
Malware Config
Signatures
-
Glupteba payload 20 IoCs
Processes:
resource yara_rule behavioral1/memory/3184-2-0x0000000004C10000-0x00000000054FB000-memory.dmp family_glupteba behavioral1/memory/3184-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3184-28-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/3184-67-0x0000000004C10000-0x00000000054FB000-memory.dmp family_glupteba behavioral1/memory/3184-66-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/3184-108-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/5012-107-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/5012-135-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/1912-210-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/1912-220-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/1912-228-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/1912-231-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/1912-234-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/1912-237-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/1912-240-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/1912-243-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/1912-246-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/1912-249-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/1912-252-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/1912-255-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 724 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid process 1912 csrss.exe 2564 injector.exe 1512 windefender.exe 4856 windefender.exe -
Processes:
resource yara_rule C:\Windows\windefender.exe upx behavioral1/memory/1512-221-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4856-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1512-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4856-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4856-235-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4856-244-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
csrss.exe86b718dc035f6a1e4f6d93a94ecc09e5249fcb758f1142b625efa19c81823837.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 86b718dc035f6a1e4f6d93a94ecc09e5249fcb758f1142b625efa19c81823837.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:
86b718dc035f6a1e4f6d93a94ecc09e5249fcb758f1142b625efa19c81823837.exedescription ioc process File opened (read-only) \??\VBoxMiniRdrDN 86b718dc035f6a1e4f6d93a94ecc09e5249fcb758f1142b625efa19c81823837.exe -
Drops file in Windows directory 4 IoCs
Processes:
86b718dc035f6a1e4f6d93a94ecc09e5249fcb758f1142b625efa19c81823837.execsrss.exedescription ioc process File opened for modification C:\Windows\rss 86b718dc035f6a1e4f6d93a94ecc09e5249fcb758f1142b625efa19c81823837.exe File created C:\Windows\rss\csrss.exe 86b718dc035f6a1e4f6d93a94ecc09e5249fcb758f1142b625efa19c81823837.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 2452 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid process 1000 powershell.exe 552 powershell.exe 2636 powershell.exe 1908 powershell.exe 2128 powershell.exe 3704 powershell.exe 3172 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 4236 schtasks.exe 2748 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
powershell.exe86b718dc035f6a1e4f6d93a94ecc09e5249fcb758f1142b625efa19c81823837.exepowershell.exepowershell.exepowershell.exewindefender.exepowershell.exepowershell.exedescription ioc process 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\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time" 86b718dc035f6a1e4f6d93a94ecc09e5249fcb758f1142b625efa19c81823837.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 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,-651 = "AUS Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time" 86b718dc035f6a1e4f6d93a94ecc09e5249fcb758f1142b625efa19c81823837.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time" 86b718dc035f6a1e4f6d93a94ecc09e5249fcb758f1142b625efa19c81823837.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time" 86b718dc035f6a1e4f6d93a94ecc09e5249fcb758f1142b625efa19c81823837.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time" 86b718dc035f6a1e4f6d93a94ecc09e5249fcb758f1142b625efa19c81823837.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2431 = "Cuba 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,-2451 = "Saint Pierre Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-502 = "Nepal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time" 86b718dc035f6a1e4f6d93a94ecc09e5249fcb758f1142b625efa19c81823837.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates 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\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-222 = "Alaskan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1722 = "Libya Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3142 = "South Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2591 = "Tocantins Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time" 86b718dc035f6a1e4f6d93a94ecc09e5249fcb758f1142b625efa19c81823837.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-932 = "Coordinated Universal 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" 86b718dc035f6a1e4f6d93a94ecc09e5249fcb758f1142b625efa19c81823837.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time" 86b718dc035f6a1e4f6d93a94ecc09e5249fcb758f1142b625efa19c81823837.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-271 = "Greenwich Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time" 86b718dc035f6a1e4f6d93a94ecc09e5249fcb758f1142b625efa19c81823837.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time" 86b718dc035f6a1e4f6d93a94ecc09e5249fcb758f1142b625efa19c81823837.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-261 = "GMT Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time" 86b718dc035f6a1e4f6d93a94ecc09e5249fcb758f1142b625efa19c81823837.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time" 86b718dc035f6a1e4f6d93a94ecc09e5249fcb758f1142b625efa19c81823837.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time" 86b718dc035f6a1e4f6d93a94ecc09e5249fcb758f1142b625efa19c81823837.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time" 86b718dc035f6a1e4f6d93a94ecc09e5249fcb758f1142b625efa19c81823837.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" 86b718dc035f6a1e4f6d93a94ecc09e5249fcb758f1142b625efa19c81823837.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" 86b718dc035f6a1e4f6d93a94ecc09e5249fcb758f1142b625efa19c81823837.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.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\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-402 = "Arabic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-351 = "FLE Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-41 = "E. South America Daylight Time" 86b718dc035f6a1e4f6d93a94ecc09e5249fcb758f1142b625efa19c81823837.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" 86b718dc035f6a1e4f6d93a94ecc09e5249fcb758f1142b625efa19c81823837.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time" 86b718dc035f6a1e4f6d93a94ecc09e5249fcb758f1142b625efa19c81823837.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust 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\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time" 86b718dc035f6a1e4f6d93a94ecc09e5249fcb758f1142b625efa19c81823837.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe86b718dc035f6a1e4f6d93a94ecc09e5249fcb758f1142b625efa19c81823837.exepowershell.exe86b718dc035f6a1e4f6d93a94ecc09e5249fcb758f1142b625efa19c81823837.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid process 1000 powershell.exe 1000 powershell.exe 3184 86b718dc035f6a1e4f6d93a94ecc09e5249fcb758f1142b625efa19c81823837.exe 3184 86b718dc035f6a1e4f6d93a94ecc09e5249fcb758f1142b625efa19c81823837.exe 552 powershell.exe 552 powershell.exe 5012 86b718dc035f6a1e4f6d93a94ecc09e5249fcb758f1142b625efa19c81823837.exe 5012 86b718dc035f6a1e4f6d93a94ecc09e5249fcb758f1142b625efa19c81823837.exe 5012 86b718dc035f6a1e4f6d93a94ecc09e5249fcb758f1142b625efa19c81823837.exe 5012 86b718dc035f6a1e4f6d93a94ecc09e5249fcb758f1142b625efa19c81823837.exe 5012 86b718dc035f6a1e4f6d93a94ecc09e5249fcb758f1142b625efa19c81823837.exe 5012 86b718dc035f6a1e4f6d93a94ecc09e5249fcb758f1142b625efa19c81823837.exe 5012 86b718dc035f6a1e4f6d93a94ecc09e5249fcb758f1142b625efa19c81823837.exe 5012 86b718dc035f6a1e4f6d93a94ecc09e5249fcb758f1142b625efa19c81823837.exe 5012 86b718dc035f6a1e4f6d93a94ecc09e5249fcb758f1142b625efa19c81823837.exe 5012 86b718dc035f6a1e4f6d93a94ecc09e5249fcb758f1142b625efa19c81823837.exe 2636 powershell.exe 2636 powershell.exe 1908 powershell.exe 1908 powershell.exe 2128 powershell.exe 2128 powershell.exe 3704 powershell.exe 3704 powershell.exe 3172 powershell.exe 3172 powershell.exe 2564 injector.exe 2564 injector.exe 2564 injector.exe 2564 injector.exe 2564 injector.exe 2564 injector.exe 1912 csrss.exe 1912 csrss.exe 2564 injector.exe 2564 injector.exe 2564 injector.exe 2564 injector.exe 2564 injector.exe 2564 injector.exe 1912 csrss.exe 1912 csrss.exe 2564 injector.exe 2564 injector.exe 2564 injector.exe 2564 injector.exe 1912 csrss.exe 1912 csrss.exe 2564 injector.exe 2564 injector.exe 2564 injector.exe 2564 injector.exe 2564 injector.exe 2564 injector.exe 2564 injector.exe 2564 injector.exe 2564 injector.exe 2564 injector.exe 2564 injector.exe 2564 injector.exe 2564 injector.exe 2564 injector.exe 2564 injector.exe 2564 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe86b718dc035f6a1e4f6d93a94ecc09e5249fcb758f1142b625efa19c81823837.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid process Token: SeDebugPrivilege 1000 powershell.exe Token: SeDebugPrivilege 3184 86b718dc035f6a1e4f6d93a94ecc09e5249fcb758f1142b625efa19c81823837.exe Token: SeImpersonatePrivilege 3184 86b718dc035f6a1e4f6d93a94ecc09e5249fcb758f1142b625efa19c81823837.exe Token: SeDebugPrivilege 552 powershell.exe Token: SeDebugPrivilege 2636 powershell.exe Token: SeDebugPrivilege 1908 powershell.exe Token: SeDebugPrivilege 2128 powershell.exe Token: SeDebugPrivilege 3704 powershell.exe Token: SeDebugPrivilege 3172 powershell.exe Token: SeSystemEnvironmentPrivilege 1912 csrss.exe Token: SeSecurityPrivilege 2452 sc.exe Token: SeSecurityPrivilege 2452 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
86b718dc035f6a1e4f6d93a94ecc09e5249fcb758f1142b625efa19c81823837.exe86b718dc035f6a1e4f6d93a94ecc09e5249fcb758f1142b625efa19c81823837.execmd.execsrss.exewindefender.execmd.exedescription pid process target process PID 3184 wrote to memory of 1000 3184 86b718dc035f6a1e4f6d93a94ecc09e5249fcb758f1142b625efa19c81823837.exe powershell.exe PID 3184 wrote to memory of 1000 3184 86b718dc035f6a1e4f6d93a94ecc09e5249fcb758f1142b625efa19c81823837.exe powershell.exe PID 3184 wrote to memory of 1000 3184 86b718dc035f6a1e4f6d93a94ecc09e5249fcb758f1142b625efa19c81823837.exe powershell.exe PID 5012 wrote to memory of 552 5012 86b718dc035f6a1e4f6d93a94ecc09e5249fcb758f1142b625efa19c81823837.exe powershell.exe PID 5012 wrote to memory of 552 5012 86b718dc035f6a1e4f6d93a94ecc09e5249fcb758f1142b625efa19c81823837.exe powershell.exe PID 5012 wrote to memory of 552 5012 86b718dc035f6a1e4f6d93a94ecc09e5249fcb758f1142b625efa19c81823837.exe powershell.exe PID 5012 wrote to memory of 1432 5012 86b718dc035f6a1e4f6d93a94ecc09e5249fcb758f1142b625efa19c81823837.exe cmd.exe PID 5012 wrote to memory of 1432 5012 86b718dc035f6a1e4f6d93a94ecc09e5249fcb758f1142b625efa19c81823837.exe cmd.exe PID 1432 wrote to memory of 724 1432 cmd.exe Conhost.exe PID 1432 wrote to memory of 724 1432 cmd.exe Conhost.exe PID 5012 wrote to memory of 2636 5012 86b718dc035f6a1e4f6d93a94ecc09e5249fcb758f1142b625efa19c81823837.exe powershell.exe PID 5012 wrote to memory of 2636 5012 86b718dc035f6a1e4f6d93a94ecc09e5249fcb758f1142b625efa19c81823837.exe powershell.exe PID 5012 wrote to memory of 2636 5012 86b718dc035f6a1e4f6d93a94ecc09e5249fcb758f1142b625efa19c81823837.exe powershell.exe PID 5012 wrote to memory of 1908 5012 86b718dc035f6a1e4f6d93a94ecc09e5249fcb758f1142b625efa19c81823837.exe powershell.exe PID 5012 wrote to memory of 1908 5012 86b718dc035f6a1e4f6d93a94ecc09e5249fcb758f1142b625efa19c81823837.exe powershell.exe PID 5012 wrote to memory of 1908 5012 86b718dc035f6a1e4f6d93a94ecc09e5249fcb758f1142b625efa19c81823837.exe powershell.exe PID 5012 wrote to memory of 1912 5012 86b718dc035f6a1e4f6d93a94ecc09e5249fcb758f1142b625efa19c81823837.exe csrss.exe PID 5012 wrote to memory of 1912 5012 86b718dc035f6a1e4f6d93a94ecc09e5249fcb758f1142b625efa19c81823837.exe csrss.exe PID 5012 wrote to memory of 1912 5012 86b718dc035f6a1e4f6d93a94ecc09e5249fcb758f1142b625efa19c81823837.exe csrss.exe PID 1912 wrote to memory of 2128 1912 csrss.exe powershell.exe PID 1912 wrote to memory of 2128 1912 csrss.exe powershell.exe PID 1912 wrote to memory of 2128 1912 csrss.exe powershell.exe PID 1912 wrote to memory of 3704 1912 csrss.exe powershell.exe PID 1912 wrote to memory of 3704 1912 csrss.exe powershell.exe PID 1912 wrote to memory of 3704 1912 csrss.exe powershell.exe PID 1912 wrote to memory of 3172 1912 csrss.exe powershell.exe PID 1912 wrote to memory of 3172 1912 csrss.exe powershell.exe PID 1912 wrote to memory of 3172 1912 csrss.exe powershell.exe PID 1912 wrote to memory of 2564 1912 csrss.exe injector.exe PID 1912 wrote to memory of 2564 1912 csrss.exe injector.exe PID 1512 wrote to memory of 4752 1512 windefender.exe cmd.exe PID 1512 wrote to memory of 4752 1512 windefender.exe cmd.exe PID 1512 wrote to memory of 4752 1512 windefender.exe cmd.exe PID 4752 wrote to memory of 2452 4752 cmd.exe sc.exe PID 4752 wrote to memory of 2452 4752 cmd.exe sc.exe PID 4752 wrote to memory of 2452 4752 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\86b718dc035f6a1e4f6d93a94ecc09e5249fcb758f1142b625efa19c81823837.exe"C:\Users\Admin\AppData\Local\Temp\86b718dc035f6a1e4f6d93a94ecc09e5249fcb758f1142b625efa19c81823837.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3184 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1000 -
C:\Users\Admin\AppData\Local\Temp\86b718dc035f6a1e4f6d93a94ecc09e5249fcb758f1142b625efa19c81823837.exe"C:\Users\Admin\AppData\Local\Temp\86b718dc035f6a1e4f6d93a94ecc09e5249fcb758f1142b625efa19c81823837.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:5012 -
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:552 -
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:1432 -
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:724 -
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:2636 -
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:1908 -
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:1912 -
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:2128 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:4236 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4884
-
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:3704 -
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:3172 -
C:\Windows\System32\Conhost.exe\??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV15⤵PID:724
-
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:2564 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:2748 -
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1512 -
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:4752 -
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:2452
-
C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4856
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
MD582724e42e819942e9a189f98a1fcf984
SHA1a8543ad5143afca80256d10e54219e3a07a6ac5f
SHA256f71bd82c2fb66c3f63eb6d0d91bb2ea3135e841bc31d5ad1229e61011cc397b3
SHA512d122f3282be9d36a9a272c14890e273639f4b5868dd9b8f591de11ab095c4089ddd70ad8fc8249e71de1e77dad554a1d9509c7138cce4fc08f3275ad55abb19a
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5fc7e54aef3090984233317acd37d55bd
SHA1b73e08f2dbde50c51200d0d1c6a4662f6af3b6de
SHA2563d5e285d3ad8b00f2a846ba7676a2da7455bb4c5d112e044b846a6e01e2b3ab9
SHA512d81e9264a00f2ab22378ad57e2d4c0ff6a991843a0770f83665a9df93963129ca6ba4107d6c32892dcecfbba3d4f59bb2992fde71a51b36a0eaf77477f3159b5
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f9bdb9d65563d1afaf19607b4a4f7a2d
SHA118eb5b6749ec9f0c6465a29ccabe9f170db92bbe
SHA2566ee6af3fd22efaf2074527a65b878dcf571847dccff9ad4c540d7cba91edd645
SHA512fd1b5b6074a5b50991497f2e262a04dbfd0c4346d08311ec7e8a2827873ba09aca6f6555e7c26c3b5404556540eb013b879a24a5d7b84b20e00e6e7da6cbcbf7
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD556f70f79db5a589a6e9ccaa797c40c94
SHA1b8eba5b60edee194842e55822e8320a722e01d69
SHA25640244c1dc5922af8d96ba5384357c4a5ceac311413fa75219196089849a2ceaa
SHA51218f0cb5ff3aece1639bc0c8fafd16c72a77328de8a0abcc6b83cbd4e259751fa3ca8fd4ceb4ab70d82470acdc03034e6f8a1b8c1bf816bb743d6bd15affdedf6
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54f446fdde4b683acb4130885bcc18566
SHA17b4446fc6d5ebd825fa3d2d7c6b57e64723b11fd
SHA25648d9085e3e0380bb42bbed34f0c0fe1fda2d4d7d84585b3f43d3fc85cef6357d
SHA51241bd257b4393dfd2acecdef7a4093bd0b88a382201bc5d5d7ff5e30abd88601f4ef5aba6e7848197410d6d4f311c2a2f4fe26838c9a4cfe228a227640cf51519
-
Filesize
4.1MB
MD522f1778a96692782c1d7f7f6f3cffa57
SHA192afc8285831970b0ce8a09a9aee82e8831b3a9f
SHA25686b718dc035f6a1e4f6d93a94ecc09e5249fcb758f1142b625efa19c81823837
SHA512f47b1d614a4f2c9d868cefa828095d24e268bc15b395d3bd4346f7ab2260e7fdf3a227a18168cd930bf38eec22e22a32ab4912f9f971c4829557c6eb898ad9ec
-
Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec