Analysis
-
max time kernel
150s -
max time network
139s -
platform
windows11-21h2_x64 -
resource
win11-20240419-en -
resource tags
arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system -
submitted
15-05-2024 16:12
Static task
static1
Behavioral task
behavioral1
Sample
8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe
Resource
win10v2004-20240426-en
General
-
Target
8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe
-
Size
4.1MB
-
MD5
6f5c85848a8c2bdb70eefc88a4ea0463
-
SHA1
4763d9bcacd111087e7e0aea404db6a42ed82860
-
SHA256
8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e
-
SHA512
1ece9aa2ea8bacec5c1679fad710520e9b86eaa62d1769047fd79fa00f30b81ed21979ca1bbec28d56259c3894cae60ed5bb8222899c2542f36f8bd5f8fd4321
-
SSDEEP
98304:E4ziXPD6JlCwAB9MdaGWF4olx/WA7Yvzbb8JpNL:E4G/GRAB9MdaGBolx/Wzud
Malware Config
Signatures
-
Glupteba payload 18 IoCs
resource yara_rule behavioral2/memory/1164-2-0x0000000004CA0000-0x000000000558B000-memory.dmp family_glupteba behavioral2/memory/1164-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1164-24-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/1164-64-0x0000000004CA0000-0x000000000558B000-memory.dmp family_glupteba behavioral2/memory/1164-63-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/1164-79-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/988-78-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/988-130-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4576-199-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4576-214-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4576-220-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4576-224-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4576-228-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4576-232-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4576-236-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4576-240-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4576-244-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4576-248-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3944 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4576 csrss.exe 3776 injector.exe 2120 windefender.exe 3520 windefender.exe -
resource yara_rule behavioral2/files/0x001a00000002ab59-209.dat upx behavioral2/memory/2120-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3520-215-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2120-217-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3520-221-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3520-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe Set value (str) \REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000\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.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process 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 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe File created C:\Windows\rss\csrss.exe 8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 4300 sc.exe -
pid Process 1436 powershell.exe 2708 powershell.exe 2304 powershell.exe 1488 powershell.exe 2076 powershell.exe 2912 powershell.exe 1504 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 5072 schtasks.exe 3912 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-792 = "SA Western Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time" 8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time" 8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" 8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" 8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\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,-532 = "Sri Lanka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time" 8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time" 8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 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,-12 = "Azores Standard Time" 8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" 8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" 8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time" 8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-671 = "AUS Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-892 = "Morocco Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-401 = "Arabic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-231 = "Hawaiian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2411 = "Marquesas Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-182 = "Mountain Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time" 8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time" 8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" 8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs 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,-31 = "Mid-Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" 8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time" 8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" 8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 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,-442 = "Arabian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-751 = "Tonga Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" 8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" 8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time" 8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.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\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time" 8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.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,-412 = "E. Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3052 = "Qyzylorda Standard Time" windefender.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,-602 = "Taipei Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" 8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs 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\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. Standard Time" 8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time" 8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time" 8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time" 8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-202 = "US Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time" 8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" 8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.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\@tzres.dll,-1722 = "Libya Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2708 powershell.exe 2708 powershell.exe 1164 8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe 1164 8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe 2304 powershell.exe 2304 powershell.exe 988 8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe 988 8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe 988 8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe 988 8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe 988 8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe 988 8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe 988 8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe 988 8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe 988 8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe 988 8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe 1488 powershell.exe 1488 powershell.exe 2076 powershell.exe 2076 powershell.exe 2912 powershell.exe 2912 powershell.exe 1504 powershell.exe 1504 powershell.exe 1436 powershell.exe 1436 powershell.exe 3776 injector.exe 3776 injector.exe 3776 injector.exe 3776 injector.exe 3776 injector.exe 3776 injector.exe 4576 csrss.exe 4576 csrss.exe 3776 injector.exe 3776 injector.exe 3776 injector.exe 3776 injector.exe 3776 injector.exe 3776 injector.exe 4576 csrss.exe 4576 csrss.exe 3776 injector.exe 3776 injector.exe 4576 csrss.exe 4576 csrss.exe 3776 injector.exe 3776 injector.exe 3776 injector.exe 3776 injector.exe 3776 injector.exe 3776 injector.exe 3776 injector.exe 3776 injector.exe 3776 injector.exe 3776 injector.exe 3776 injector.exe 3776 injector.exe 3776 injector.exe 3776 injector.exe 3776 injector.exe 3776 injector.exe 3776 injector.exe 3776 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2708 powershell.exe Token: SeDebugPrivilege 1164 8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe Token: SeImpersonatePrivilege 1164 8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe Token: SeDebugPrivilege 2304 powershell.exe Token: SeDebugPrivilege 1488 powershell.exe Token: SeDebugPrivilege 2076 powershell.exe Token: SeDebugPrivilege 2912 powershell.exe Token: SeDebugPrivilege 1504 powershell.exe Token: SeDebugPrivilege 1436 powershell.exe Token: SeSystemEnvironmentPrivilege 4576 csrss.exe Token: SeSecurityPrivilege 4300 sc.exe Token: SeSecurityPrivilege 4300 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1164 wrote to memory of 2708 1164 8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe 82 PID 1164 wrote to memory of 2708 1164 8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe 82 PID 1164 wrote to memory of 2708 1164 8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe 82 PID 988 wrote to memory of 2304 988 8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe 87 PID 988 wrote to memory of 2304 988 8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe 87 PID 988 wrote to memory of 2304 988 8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe 87 PID 988 wrote to memory of 1952 988 8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe 89 PID 988 wrote to memory of 1952 988 8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe 89 PID 1952 wrote to memory of 3944 1952 cmd.exe 91 PID 1952 wrote to memory of 3944 1952 cmd.exe 91 PID 988 wrote to memory of 1488 988 8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe 92 PID 988 wrote to memory of 1488 988 8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe 92 PID 988 wrote to memory of 1488 988 8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe 92 PID 988 wrote to memory of 2076 988 8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe 94 PID 988 wrote to memory of 2076 988 8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe 94 PID 988 wrote to memory of 2076 988 8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe 94 PID 988 wrote to memory of 4576 988 8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe 96 PID 988 wrote to memory of 4576 988 8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe 96 PID 988 wrote to memory of 4576 988 8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe 96 PID 4576 wrote to memory of 2912 4576 csrss.exe 97 PID 4576 wrote to memory of 2912 4576 csrss.exe 97 PID 4576 wrote to memory of 2912 4576 csrss.exe 97 PID 4576 wrote to memory of 1504 4576 csrss.exe 103 PID 4576 wrote to memory of 1504 4576 csrss.exe 103 PID 4576 wrote to memory of 1504 4576 csrss.exe 103 PID 4576 wrote to memory of 1436 4576 csrss.exe 105 PID 4576 wrote to memory of 1436 4576 csrss.exe 105 PID 4576 wrote to memory of 1436 4576 csrss.exe 105 PID 4576 wrote to memory of 3776 4576 csrss.exe 107 PID 4576 wrote to memory of 3776 4576 csrss.exe 107 PID 2120 wrote to memory of 3524 2120 windefender.exe 113 PID 2120 wrote to memory of 3524 2120 windefender.exe 113 PID 2120 wrote to memory of 3524 2120 windefender.exe 113 PID 3524 wrote to memory of 4300 3524 cmd.exe 114 PID 3524 wrote to memory of 4300 3524 cmd.exe 114 PID 3524 wrote to memory of 4300 3524 cmd.exe 114 -
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\8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe"C:\Users\Admin\AppData\Local\Temp\8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1164 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2708
-
-
C:\Users\Admin\AppData\Local\Temp\8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe"C:\Users\Admin\AppData\Local\Temp\8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.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:988 -
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:2304
-
-
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:1952 -
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:3944
-
-
-
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:1488
-
-
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:2076
-
-
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:4576 -
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:2912
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:5072
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2056
-
-
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:1504
-
-
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:1436
-
-
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:3776
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:3912
-
-
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2120 -
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:3524 -
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:4300
-
-
-
-
-
-
C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3520
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
MD501bd74de6e854abc46622e29bfb684c6
SHA16c8e50e8ac876c5e1ff246df644d7af7716817db
SHA256838604065c4fac13527675a2228d8051bb1fa3b83ca59b25b24a7b8a935fba79
SHA51274d26631e6b0d003dc01b83a374633b6706e94e27d526c44083b868ce3d87b6a1d7988c8f4268a2b87631bf71baaf73dc5298ba6ed57d44266b360f2581e2d43
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54ec2e41156e28aac7678383e2a1e7879
SHA1cb67839cadae7a8c97f5f816b38d75ed3e5df878
SHA25650edd6c796fe95b5825ce5bdc26dbaca4b09ab7308e19c19617c6265fc5ad409
SHA512aaad8d463c77ddceaf55d8799ddacbc8db6416d86219f9aad6870c2a9b94281222ebe400c68d3d59050efd8c3ad67349b0ce80f5273b5fc5e8182282b4ba238d
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5345681f8e0d05d5199568dfaefffd7ba
SHA1e14dc5bb1a5bb85b7b0c255f8f15fe88e9255242
SHA2567b9717cc0386aba4d707bd04e64e60add1d5d8e2bc0bf5612207ada24cf24325
SHA51291d2bb142df9de07f3a4527cf6be7fc90149aecbab9fa28686b435d075c05415eef7873a8438308a9f6dd1b951be133f331a379befa4fa8b94a6e03ed01a6f80
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5464f3c10979ec9bdb6088d9eaa52fb98
SHA15035993701409d1c2d74dd1ae54ed8c7c573f4b7
SHA256aeb504ff74ee61c8e7de59881f4511ecdf0d1e731ce102168da9ca110b20bc2d
SHA51255e81d8af4f9855d9cb5cc1ed245a7c12c2d99579fad7874347845af68993d78d242e44c69b98bf9050116be525095b38bb00c5f014b8e05f1ddfe095bfa2577
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d20cbd63611a1e3e5613a1c9cbb0308a
SHA1bfb57801897d4609e13eb470fb338c300630a58a
SHA256526711fd8662bd3a9b3bd08484b81bf568cef835a1a4eff770f2f53f7251f0ba
SHA51233f6870d9ba6e09716b81e2c407bffbd27821176fb1a6d7f7cf8fb09731303dc666971d3e3ff6587146c6edf5ab066e324f8497ff5973b0439dcbb5d46775978
-
Filesize
4.1MB
MD56f5c85848a8c2bdb70eefc88a4ea0463
SHA14763d9bcacd111087e7e0aea404db6a42ed82860
SHA2568e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e
SHA5121ece9aa2ea8bacec5c1679fad710520e9b86eaa62d1769047fd79fa00f30b81ed21979ca1bbec28d56259c3894cae60ed5bb8222899c2542f36f8bd5f8fd4321
-
Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec