Analysis
-
max time kernel
149s -
max time network
153s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
09/05/2024, 16:50
Static task
static1
Behavioral task
behavioral1
Sample
ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe
Resource
win10v2004-20240426-en
General
-
Target
ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe
-
Size
4.1MB
-
MD5
71a7eb12dad2372dc64f6549ef333883
-
SHA1
7fb77158b157866598a0b7d42d9a161f0dcb55a8
-
SHA256
ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003
-
SHA512
a903a469f4d3d3e4997a13b9ad5484978b3e91b5dce057a0115df6bafc5d33c7caf0ef77d192c09748440ccaf5f2d9e2528d7858662533b1ecd03b8eea1ea7b0
-
SSDEEP
98304:blDK2ogLLeo95J5ZPcfTDKdk17ZCPQ0/B9CeuvJXiZ9xD4RskEV31KmzW:h7B3j0rWdEQQ059Cfd4xbkE91KmS
Malware Config
Signatures
-
Glupteba payload 18 IoCs
resource yara_rule behavioral2/memory/2024-2-0x0000000005020000-0x000000000590B000-memory.dmp family_glupteba behavioral2/memory/2024-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2024-39-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/2024-53-0x0000000005020000-0x000000000590B000-memory.dmp family_glupteba behavioral2/memory/2024-52-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/2024-77-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4528-76-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/4528-129-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/3816-205-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/3816-216-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/3816-219-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/3816-222-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/3816-226-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/3816-232-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/3816-235-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/3816-239-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/3816-242-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/3816-248-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3424 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3816 csrss.exe 3432 injector.exe 1224 windefender.exe 1136 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a9ff-208.dat upx behavioral2/memory/1224-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1224-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1136-220-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1136-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3107365284-1576850094-161165143-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-3107365284-1576850094-161165143-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.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.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe File created C:\Windows\rss\csrss.exe ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.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.
pid Process 4716 sc.exe -
pid Process 4716 powershell.exe 4600 powershell.exe 4064 powershell.exe 3340 powershell.exe 4108 powershell.exe 3912 powershell.exe 852 powershell.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1384 schtasks.exe 2140 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time" ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time" ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs 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\@tzres.dll,-151 = "Central America 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,-832 = "SA Eastern Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\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,-451 = "Caucasus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time" ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time" ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time" ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.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,-2631 = "Norfolk Daylight 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,-2592 = "Tocantins Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time" ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1472 = "Magadan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time" ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1821 = "Russia TZ 1 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\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time" ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time" ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time" ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs 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\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time" ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time" ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time" ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time" ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\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,-512 = "Central Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-282 = "Central Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-121 = "SA Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-531 = "Sri Lanka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1411 = "Syria Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time" ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 852 powershell.exe 852 powershell.exe 2024 ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe 2024 ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe 4716 powershell.exe 4716 powershell.exe 4528 ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe 4528 ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe 4528 ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe 4528 ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe 4528 ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe 4528 ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe 4528 ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe 4528 ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe 4528 ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe 4528 ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe 4600 powershell.exe 4600 powershell.exe 4064 powershell.exe 4064 powershell.exe 3340 powershell.exe 3340 powershell.exe 4108 powershell.exe 4108 powershell.exe 3912 powershell.exe 3912 powershell.exe 3432 injector.exe 3432 injector.exe 3432 injector.exe 3432 injector.exe 3432 injector.exe 3432 injector.exe 3816 csrss.exe 3816 csrss.exe 3432 injector.exe 3432 injector.exe 3432 injector.exe 3432 injector.exe 3432 injector.exe 3432 injector.exe 3816 csrss.exe 3816 csrss.exe 3432 injector.exe 3432 injector.exe 3816 csrss.exe 3816 csrss.exe 3432 injector.exe 3432 injector.exe 3432 injector.exe 3432 injector.exe 3432 injector.exe 3432 injector.exe 3432 injector.exe 3432 injector.exe 3432 injector.exe 3432 injector.exe 3432 injector.exe 3432 injector.exe 3432 injector.exe 3432 injector.exe 3432 injector.exe 3432 injector.exe 3432 injector.exe 3432 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 852 powershell.exe Token: SeDebugPrivilege 2024 ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe Token: SeImpersonatePrivilege 2024 ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe Token: SeDebugPrivilege 4716 powershell.exe Token: SeDebugPrivilege 4600 powershell.exe Token: SeDebugPrivilege 4064 powershell.exe Token: SeDebugPrivilege 3340 powershell.exe Token: SeDebugPrivilege 4108 powershell.exe Token: SeDebugPrivilege 3912 powershell.exe Token: SeSystemEnvironmentPrivilege 3816 csrss.exe Token: SeSecurityPrivilege 4716 sc.exe Token: SeSecurityPrivilege 4716 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2024 wrote to memory of 852 2024 ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe 78 PID 2024 wrote to memory of 852 2024 ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe 78 PID 2024 wrote to memory of 852 2024 ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe 78 PID 4528 wrote to memory of 4716 4528 ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe 83 PID 4528 wrote to memory of 4716 4528 ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe 83 PID 4528 wrote to memory of 4716 4528 ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe 83 PID 4528 wrote to memory of 1604 4528 ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe 85 PID 4528 wrote to memory of 1604 4528 ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe 85 PID 1604 wrote to memory of 3424 1604 cmd.exe 87 PID 1604 wrote to memory of 3424 1604 cmd.exe 87 PID 4528 wrote to memory of 4600 4528 ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe 88 PID 4528 wrote to memory of 4600 4528 ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe 88 PID 4528 wrote to memory of 4600 4528 ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe 88 PID 4528 wrote to memory of 4064 4528 ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe 90 PID 4528 wrote to memory of 4064 4528 ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe 90 PID 4528 wrote to memory of 4064 4528 ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe 90 PID 4528 wrote to memory of 3816 4528 ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe 92 PID 4528 wrote to memory of 3816 4528 ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe 92 PID 4528 wrote to memory of 3816 4528 ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe 92 PID 3816 wrote to memory of 3340 3816 csrss.exe 93 PID 3816 wrote to memory of 3340 3816 csrss.exe 93 PID 3816 wrote to memory of 3340 3816 csrss.exe 93 PID 3816 wrote to memory of 4108 3816 csrss.exe 99 PID 3816 wrote to memory of 4108 3816 csrss.exe 99 PID 3816 wrote to memory of 4108 3816 csrss.exe 99 PID 3816 wrote to memory of 3912 3816 csrss.exe 101 PID 3816 wrote to memory of 3912 3816 csrss.exe 101 PID 3816 wrote to memory of 3912 3816 csrss.exe 101 PID 3816 wrote to memory of 3432 3816 csrss.exe 103 PID 3816 wrote to memory of 3432 3816 csrss.exe 103 PID 1224 wrote to memory of 4060 1224 windefender.exe 109 PID 1224 wrote to memory of 4060 1224 windefender.exe 109 PID 1224 wrote to memory of 4060 1224 windefender.exe 109 PID 4060 wrote to memory of 4716 4060 cmd.exe 110 PID 4060 wrote to memory of 4716 4060 cmd.exe 110 PID 4060 wrote to memory of 4716 4060 cmd.exe 110 -
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\ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe"C:\Users\Admin\AppData\Local\Temp\ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2024 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:852
-
-
C:\Users\Admin\AppData\Local\Temp\ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe"C:\Users\Admin\AppData\Local\Temp\ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.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:4528 -
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:4716
-
-
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:1604 -
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:3424
-
-
-
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:4600
-
-
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:4064
-
-
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:3816 -
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:3340
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:1384
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2788
-
-
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:4108
-
-
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:3912
-
-
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:3432
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:2140
-
-
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1224 -
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:4060 -
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:4716
-
-
-
-
-
-
C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1136
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
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e385447ab3d3a6c3121d0272da131576
SHA114f2825372590487f82038021a3467284511f35f
SHA25683678168c97bc3daa54ff658149d46c7c9a4280a98263ce7223430435de4dda3
SHA512ea521cebc85ddf7db12a6bb5dc39646e0734b622d164adf969e84052568811480c3a9cd6fd3728b58a1a5520916947eea86b6f0581ffe48bd9a8cb17a18c7333
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5cbb861194a66fda03946301487ef26a4
SHA12ba708dd0cd053da1276e917eb2aea6322ebcc58
SHA256712a0e93ca51a822ae6a0b0c62ba0c4512c5bb284d5cb693db8f1a7f5b038746
SHA512bacd91ac9d721ece1a4df197ccba78c90be6ae2c8fe39ba0f8183467f3edf4da380a9004621fdf2ce2c25c60e1f712fc51cce76670ffebf284b03397790b76b4
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58b8fa3da5feccc94592f57e8843dcbbd
SHA17f078a758fb700f6ffc39e2b2cd0c96359b4d164
SHA2562bbddcdc9367fd01506ed56cef3a741330e5acb2ca9184d7fa3ac96ce8474be3
SHA5123864de389efc8700dfc60bd53893b0a820e1e7e9dd4d1d4e2d17f76692a5b1dd0b632a0c1db161c93f2489fc848397eff7a4d0ed6511d146b11b6a225f8245d0
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54158e65a4ad9c469094c557d2ce16f2a
SHA12dd0c4e7014bbff0acb9da77dc39cb89cf73f112
SHA256640be0f9210f6a6c5fcecab7ab363f7e87175e4f608143bdeee7aedf13c860ac
SHA512a68622465837a90a9ae7d85a28d947d5e50dec6b1dce7db7e215d78c61a15a970032debf72d34a35c87f14883fa98466fb48d3822b7a9b3ad6db2a0e6182389a
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5956418236e9869839d70274a37accb9e
SHA162f485221bbdd7784fde5bbf6bf7b28dbb8f8c6e
SHA2560b1f05a41aac685097866e12988e839cc0aaef9c518894c04a15e88d2cb35681
SHA512155119587efadc53514748408781c19ae62b48979a5d0fd6006aec6cffd0ff2fdb2d3e41ae771a6530a98910c4376e34fdcb135462f4c2d941d6ba51c39cb68f
-
Filesize
4.1MB
MD571a7eb12dad2372dc64f6549ef333883
SHA17fb77158b157866598a0b7d42d9a161f0dcb55a8
SHA256ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003
SHA512a903a469f4d3d3e4997a13b9ad5484978b3e91b5dce057a0115df6bafc5d33c7caf0ef77d192c09748440ccaf5f2d9e2528d7858662533b1ecd03b8eea1ea7b0
-
Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec