Analysis
-
max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
17-05-2024 09:52
Static task
static1
Behavioral task
behavioral1
Sample
8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exe
Resource
win10v2004-20240426-en
General
-
Target
8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exe
-
Size
4.1MB
-
MD5
59990a5499023b306158797a9c82b604
-
SHA1
f6ad40ffc1e024e51feae1f5a0ef9dbe4b0054ef
-
SHA256
8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9
-
SHA512
ff4cf11d628d3308db0dc78ca89ca9d63323ae3ec52a83fda9241b7543e98d12905a797dabb59c6b9e8ee69dad7fbaf7326b9864775a22adba05a41873da2eba
-
SSDEEP
98304:shY2qRRjR1paGoDMO/b2fpl9vUYBzPUd5cvaqxgKnFtiaj:yYlRLXY4O+pXvrLaqWucq
Malware Config
Signatures
-
Glupteba payload 20 IoCs
resource yara_rule behavioral1/memory/2280-2-0x0000000004C10000-0x00000000054FB000-memory.dmp family_glupteba behavioral1/memory/2280-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2280-28-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/2280-57-0x0000000004C10000-0x00000000054FB000-memory.dmp family_glupteba behavioral1/memory/2280-83-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/2280-135-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1940-131-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/1940-210-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4236-211-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4236-228-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4236-231-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4236-235-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4236-239-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4236-244-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4236-247-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4236-251-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4236-255-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4236-259-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4236-264-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4236-267-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1044 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4236 csrss.exe 2436 injector.exe 3624 windefender.exe 3136 windefender.exe -
resource yara_rule behavioral1/files/0x000f000000023393-221.dat upx behavioral1/memory/3624-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3136-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3624-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3136-232-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3136-240-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exe Set value (str) \REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
-
Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
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 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.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exe File created C:\Windows\rss\csrss.exe 8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.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 1896 sc.exe -
pid Process 1504 powershell.exe 4668 powershell.exe 3160 powershell.exe 772 powershell.exe 5108 powershell.exe 816 powershell.exe 3704 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 3184 schtasks.exe 1012 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,-42 = "E. South America Standard Time" 8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed 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\@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1802 = "Line Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2872 = "Magallanes Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1502 = "Turkey Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" 8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1971 = "Belarus Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-334 = "Jordan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time" 8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3141 = "South Sudan Daylight Time" 8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" 8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-981 = "Kamchatka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2572 = "Turks and Caicos Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-391 = "Arab Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time" 8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time" 8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time" 8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople 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\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time" 8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.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\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,-742 = "New Zealand Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3051 = "Qyzylorda Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time" 8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs 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\@tzres.dll,-1661 = "Bahia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-872 = "Pakistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" 8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" 8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time" 8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2631 = "Norfolk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2772 = "Omsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time" 8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" 8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" 8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time" 8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time" 8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1801 = "Line Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time" 8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.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,-661 = "Cen. Australia Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 816 powershell.exe 816 powershell.exe 2280 8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exe 2280 8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exe 3704 powershell.exe 3704 powershell.exe 1940 8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exe 1940 8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exe 1940 8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exe 1940 8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exe 1940 8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exe 1940 8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exe 1940 8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exe 1940 8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exe 1940 8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exe 1940 8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exe 1504 powershell.exe 1504 powershell.exe 4668 powershell.exe 4668 powershell.exe 3160 powershell.exe 3160 powershell.exe 772 powershell.exe 772 powershell.exe 772 powershell.exe 5108 powershell.exe 5108 powershell.exe 5108 powershell.exe 2436 injector.exe 2436 injector.exe 2436 injector.exe 2436 injector.exe 2436 injector.exe 2436 injector.exe 4236 csrss.exe 4236 csrss.exe 2436 injector.exe 2436 injector.exe 2436 injector.exe 2436 injector.exe 2436 injector.exe 2436 injector.exe 4236 csrss.exe 4236 csrss.exe 2436 injector.exe 2436 injector.exe 4236 csrss.exe 4236 csrss.exe 2436 injector.exe 2436 injector.exe 2436 injector.exe 2436 injector.exe 2436 injector.exe 2436 injector.exe 2436 injector.exe 2436 injector.exe 2436 injector.exe 2436 injector.exe 2436 injector.exe 2436 injector.exe 2436 injector.exe 2436 injector.exe 2436 injector.exe 2436 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 816 powershell.exe Token: SeDebugPrivilege 2280 8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exe Token: SeImpersonatePrivilege 2280 8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exe Token: SeDebugPrivilege 3704 powershell.exe Token: SeDebugPrivilege 1504 powershell.exe Token: SeDebugPrivilege 4668 powershell.exe Token: SeDebugPrivilege 3160 powershell.exe Token: SeDebugPrivilege 772 powershell.exe Token: SeDebugPrivilege 5108 powershell.exe Token: SeSystemEnvironmentPrivilege 4236 csrss.exe Token: SeSecurityPrivilege 1896 sc.exe Token: SeSecurityPrivilege 1896 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2280 wrote to memory of 816 2280 8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exe 93 PID 2280 wrote to memory of 816 2280 8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exe 93 PID 2280 wrote to memory of 816 2280 8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exe 93 PID 1940 wrote to memory of 3704 1940 8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exe 100 PID 1940 wrote to memory of 3704 1940 8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exe 100 PID 1940 wrote to memory of 3704 1940 8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exe 100 PID 1940 wrote to memory of 3136 1940 8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exe 130 PID 1940 wrote to memory of 3136 1940 8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exe 130 PID 3136 wrote to memory of 1044 3136 cmd.exe 131 PID 3136 wrote to memory of 1044 3136 cmd.exe 131 PID 1940 wrote to memory of 1504 1940 8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exe 105 PID 1940 wrote to memory of 1504 1940 8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exe 105 PID 1940 wrote to memory of 1504 1940 8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exe 105 PID 1940 wrote to memory of 4668 1940 8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exe 107 PID 1940 wrote to memory of 4668 1940 8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exe 107 PID 1940 wrote to memory of 4668 1940 8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exe 107 PID 1940 wrote to memory of 4236 1940 8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exe 109 PID 1940 wrote to memory of 4236 1940 8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exe 109 PID 1940 wrote to memory of 4236 1940 8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exe 109 PID 4236 wrote to memory of 3160 4236 csrss.exe 110 PID 4236 wrote to memory of 3160 4236 csrss.exe 110 PID 4236 wrote to memory of 3160 4236 csrss.exe 110 PID 4236 wrote to memory of 772 4236 csrss.exe 116 PID 4236 wrote to memory of 772 4236 csrss.exe 116 PID 4236 wrote to memory of 772 4236 csrss.exe 116 PID 4236 wrote to memory of 5108 4236 csrss.exe 119 PID 4236 wrote to memory of 5108 4236 csrss.exe 119 PID 4236 wrote to memory of 5108 4236 csrss.exe 119 PID 4236 wrote to memory of 2436 4236 csrss.exe 121 PID 4236 wrote to memory of 2436 4236 csrss.exe 121 PID 3624 wrote to memory of 2500 3624 windefender.exe 128 PID 3624 wrote to memory of 2500 3624 windefender.exe 128 PID 3624 wrote to memory of 2500 3624 windefender.exe 128 PID 2500 wrote to memory of 1896 2500 cmd.exe 129 PID 2500 wrote to memory of 1896 2500 cmd.exe 129 PID 2500 wrote to memory of 1896 2500 cmd.exe 129 -
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\8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exe"C:\Users\Admin\AppData\Local\Temp\8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2280 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:816
-
-
C:\Users\Admin\AppData\Local\Temp\8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.exe"C:\Users\Admin\AppData\Local\Temp\8287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9.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:1940 -
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:3704
-
-
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:3136 -
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:1044
-
-
-
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:1504
-
-
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:4668
-
-
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:4236 -
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:3160
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:3184
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2560
-
-
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:772
-
-
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:5108
-
-
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:2436
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:1012
-
-
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3624 -
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:2500 -
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:1896
-
-
-
-
-
-
C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3136
-
C:\Windows\system32\backgroundTaskHost.exe"C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca1⤵PID:1044
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
MD5b264e1e76ddd830e2f867eb19b3168d7
SHA14c5d1c1929a362c5d4f081b83b9275f4317d2098
SHA256a815454e26ae576326c79cda53fa338be26f705508b6b9dd0cf6f1154b92969f
SHA5124c1bb1eca1f7ae724d4647e92e62dff861bb799dd2681e125a301ab582e5980a17000c4530dad483f3c44161645b6172ca491a415440c3581a128105bee86f4c
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD514083c2067bc38a93e12f604c8d7749c
SHA1dc2cce0aedd83e1cf53ee1c68bdc833da80305ab
SHA256a05217f475fd83f291858b219ee2a345613fb69f00f5e4cd70013edfb7ba3ab3
SHA51204d9dab87919d6eb6a6894d172a87bfefe0fb401dfc2fb100796782ed3d4d811483a3057c35ee17be5e5f7e46ab5c32959eadcae4a10ec2e19375e588394a17a
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58caa7ca78ef9ab5990495f2801f776d7
SHA1ea64ea1c13f5a7cab8c6dc76cfefa3de7bcf4549
SHA2569f023bbdd9f564e0805794f75ea5163ae8e054e9cbb955afb66820cf76bb2757
SHA512f271b3a68aab1758e85b4ee13083b7c1668ffa7c7b57fcc8f5406c9e4cb9c64ae46680c007b5ea5657ff1f85610bc2657af0aab6cbe6c01f85bf21daf1c1c5d0
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD558781930ff0a573c0e86ac43ffa067c3
SHA101a141b30c58c34ad40ee0c62202ba365495a22f
SHA25652891712f1de405b333fb07e05ccb82351fd33a4168f346907fe19afbf87a75c
SHA5124475ee73b59c1db556669656bb139f322c678ed09f0e6c563d9a90ac852b084aab11da6c6f51d1bdfbf37c23e6b903882bed54d178bc87179b391d36c83d4736
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5caa463cb5c28e8478ea6cdc675526fbb
SHA13aa28ab56ae949da5f3dda6b1f71ccfb3095ab73
SHA256c46998fa3d6b3149609d7de285def51a7fb0de5efbe7d0fea5a47c4f65321c47
SHA5128888c003f1f17e2c4e97cf49163049d082b7cc740af81842e9939753c27a4e60fc69c0da7ad582aedfbdea700e141cf85d0a1b038ee92f2e1337b7d110f03223
-
Filesize
4.1MB
MD559990a5499023b306158797a9c82b604
SHA1f6ad40ffc1e024e51feae1f5a0ef9dbe4b0054ef
SHA2568287d4dd6a452e7cc9c6b16e1355d90414c92eb73162765c592d11b1060e9cc9
SHA512ff4cf11d628d3308db0dc78ca89ca9d63323ae3ec52a83fda9241b7543e98d12905a797dabb59c6b9e8ee69dad7fbaf7326b9864775a22adba05a41873da2eba
-
Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec