Analysis
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max time kernel
149s -
max time network
131s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
18-05-2024 16:48
Static task
static1
Behavioral task
behavioral1
Sample
796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6.exe
Resource
win10v2004-20240508-en
General
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Target
796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6.exe
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Size
4.1MB
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MD5
ae80ef5f4a461ac52887230717e428dd
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SHA1
55f13d6df0930874e20cf6971f3fcb0c93e1bf89
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SHA256
796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6
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SHA512
91da3f934b41c7f72caff29cb3c1c495f3b81477b17931bfb425bfc41e292fb85142a84b6333f7b0821fea7b73a3c5748c0248871f32ade88ddba84c63f9a60c
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SSDEEP
98304:Yc7aFVXn+Lid2bryXaMbaClZg093y0sFFfdliBdPw:IX++d2b0aMbplZO0sFfSw
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/4460-2-0x00000000047D0000-0x00000000050BB000-memory.dmp family_glupteba behavioral1/memory/4460-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4460-56-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4460-57-0x00000000047D0000-0x00000000050BB000-memory.dmp family_glupteba behavioral1/memory/4460-54-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/4488-134-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/2172-219-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/2172-229-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/2172-231-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/2172-233-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/2172-235-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/2172-237-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/2172-239-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/2172-241-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/2172-243-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/2172-245-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/2172-247-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/2172-249-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/2172-251-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2608 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2172 csrss.exe 764 injector.exe 2608 windefender.exe 1492 windefender.exe -
resource yara_rule behavioral1/files/0x0009000000023523-222.dat upx behavioral1/memory/2608-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1492-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2608-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1492-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1492-234-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6.exe Set value (str) \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\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.
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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 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 -
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 796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6.exe File created C:\Windows\rss\csrss.exe 796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6.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 1252 sc.exe -
pid Process 1620 powershell.exe 4476 powershell.exe 3684 powershell.exe 3448 powershell.exe 4200 powershell.exe 3160 powershell.exe 3788 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 3628 schtasks.exe 740 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\@tzres.dll,-351 = "FLE Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-932 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time" 796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs 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\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time" 796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6.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,-221 = "Alaskan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-251 = "Dateline Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" 796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time" 796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\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\@tzres.dll,-435 = "Georgian Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-261 = "GMT Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time" 796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time" 796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time" 796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time" 796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time" 796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\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\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" 796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2162 = "Altai Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-132 = "US Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2632 = "Norfolk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" 796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time" 796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6.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\@tzres.dll,-442 = "Arabian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-621 = "Korea Daylight Time" windefender.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,-2532 = "Chatham Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time" 796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" 796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-651 = "AUS Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" 796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time" 796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time" 796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1721 = "Libya Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-772 = "Montevideo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-72 = "Newfoundland Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-391 = "Arab Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\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,-2001 = "Cabo Verde Daylight Time" 796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3448 powershell.exe 3448 powershell.exe 3448 powershell.exe 4460 796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6.exe 4460 796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6.exe 4200 powershell.exe 4200 powershell.exe 4200 powershell.exe 4488 796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6.exe 4488 796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6.exe 4488 796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6.exe 4488 796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6.exe 4488 796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6.exe 4488 796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6.exe 4488 796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6.exe 4488 796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6.exe 4488 796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6.exe 4488 796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6.exe 3160 powershell.exe 3160 powershell.exe 3160 powershell.exe 3788 powershell.exe 3788 powershell.exe 3788 powershell.exe 1620 powershell.exe 1620 powershell.exe 1620 powershell.exe 4476 powershell.exe 4476 powershell.exe 4476 powershell.exe 3684 powershell.exe 3684 powershell.exe 3684 powershell.exe 764 injector.exe 764 injector.exe 764 injector.exe 764 injector.exe 764 injector.exe 764 injector.exe 2172 csrss.exe 2172 csrss.exe 764 injector.exe 764 injector.exe 764 injector.exe 764 injector.exe 764 injector.exe 764 injector.exe 2172 csrss.exe 2172 csrss.exe 764 injector.exe 764 injector.exe 2172 csrss.exe 2172 csrss.exe 764 injector.exe 764 injector.exe 764 injector.exe 764 injector.exe 764 injector.exe 764 injector.exe 764 injector.exe 764 injector.exe 764 injector.exe 764 injector.exe 764 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3448 powershell.exe Token: SeDebugPrivilege 4460 796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6.exe Token: SeImpersonatePrivilege 4460 796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6.exe Token: SeDebugPrivilege 4200 powershell.exe Token: SeDebugPrivilege 3160 powershell.exe Token: SeDebugPrivilege 3788 powershell.exe Token: SeDebugPrivilege 1620 powershell.exe Token: SeDebugPrivilege 4476 powershell.exe Token: SeDebugPrivilege 3684 powershell.exe Token: SeSystemEnvironmentPrivilege 2172 csrss.exe Token: SeSecurityPrivilege 1252 sc.exe Token: SeSecurityPrivilege 1252 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4460 wrote to memory of 3448 4460 796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6.exe 94 PID 4460 wrote to memory of 3448 4460 796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6.exe 94 PID 4460 wrote to memory of 3448 4460 796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6.exe 94 PID 4488 wrote to memory of 4200 4488 796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6.exe 107 PID 4488 wrote to memory of 4200 4488 796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6.exe 107 PID 4488 wrote to memory of 4200 4488 796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6.exe 107 PID 4488 wrote to memory of 4604 4488 796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6.exe 111 PID 4488 wrote to memory of 4604 4488 796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6.exe 111 PID 4604 wrote to memory of 2608 4604 cmd.exe 113 PID 4604 wrote to memory of 2608 4604 cmd.exe 113 PID 4488 wrote to memory of 3160 4488 796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6.exe 114 PID 4488 wrote to memory of 3160 4488 796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6.exe 114 PID 4488 wrote to memory of 3160 4488 796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6.exe 114 PID 4488 wrote to memory of 3788 4488 796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6.exe 116 PID 4488 wrote to memory of 3788 4488 796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6.exe 116 PID 4488 wrote to memory of 3788 4488 796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6.exe 116 PID 4488 wrote to memory of 2172 4488 796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6.exe 118 PID 4488 wrote to memory of 2172 4488 796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6.exe 118 PID 4488 wrote to memory of 2172 4488 796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6.exe 118 PID 2172 wrote to memory of 1620 2172 csrss.exe 119 PID 2172 wrote to memory of 1620 2172 csrss.exe 119 PID 2172 wrote to memory of 1620 2172 csrss.exe 119 PID 2172 wrote to memory of 4476 2172 csrss.exe 124 PID 2172 wrote to memory of 4476 2172 csrss.exe 124 PID 2172 wrote to memory of 4476 2172 csrss.exe 124 PID 2172 wrote to memory of 3684 2172 csrss.exe 127 PID 2172 wrote to memory of 3684 2172 csrss.exe 127 PID 2172 wrote to memory of 3684 2172 csrss.exe 127 PID 2172 wrote to memory of 764 2172 csrss.exe 129 PID 2172 wrote to memory of 764 2172 csrss.exe 129 PID 2608 wrote to memory of 4644 2608 windefender.exe 136 PID 2608 wrote to memory of 4644 2608 windefender.exe 136 PID 2608 wrote to memory of 4644 2608 windefender.exe 136 PID 4644 wrote to memory of 1252 4644 cmd.exe 137 PID 4644 wrote to memory of 1252 4644 cmd.exe 137 PID 4644 wrote to memory of 1252 4644 cmd.exe 137 -
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
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C:\Users\Admin\AppData\Local\Temp\796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6.exe"C:\Users\Admin\AppData\Local\Temp\796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4460 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3448
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C:\Users\Admin\AppData\Local\Temp\796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6.exe"C:\Users\Admin\AppData\Local\Temp\796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6.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:4488 -
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:4200
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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:4604 -
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:2608
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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:3160
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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:3788
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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:2172 -
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:1620
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C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:3628
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2680
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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:4476
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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:3684
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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:764
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C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:740
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2608 -
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:4644 -
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:1252
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=3688,i,14648456027158448592,4956305794400220180,262144 --variations-seed-version --mojo-platform-channel-handle=4112 /prefetch:81⤵PID:2228
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1492
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
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50e8deda0b830edc9fc4ff97a9d26f1a0
SHA16e730df5a10d4ed5a3f1b6054e787ee1a515b27a
SHA256fa50e3ee7bf36a3ce212a1f197434ebfcb1e6e42c714362f86fb8e3087e131d1
SHA512245af769e5a6d3d6dcb355a33b84a1e8b6968a4c1baade51733e0a44e10a828be21ef5df29200a5a3ac25c88c90c0c7acff1469a6ad9ea525845e992222db0ad
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD599c2680604a0c4340a266ddd07eea822
SHA1981f2547a91865f7a4a1c0df6d51db75e5468ea2
SHA256e54c47059094389b73f03c20fdefe8cc4c643e95fa0be11df48c8b61cc36b2b8
SHA5124d8665e1082a1979dd27428a3398390a69b099547ff0a85d1cf43b71ed239d83bd67f573b19921a4bc5171cc253d6747ac76ba758b9d8430e4df961ee432ef7a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5052a5dd35ec03b0b24cafbe29f82b311
SHA1402e314ce40989420eda42dad7750b43ef2e0915
SHA256f7327f240be92ce280049086391b2a12b53c2fc113563cfa83acaa75994830fc
SHA51241bd7b3e04196bc7cb57ed4b08b48a222658156e3e960e7c26925af81cbec499c757646856c63094dbc9979381bdcacef7d5ccb6f44b2d0c32f2fcdcb770d891
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52a8bbc3f9beaf280e030deda8e2c0099
SHA15ddce629c49f5769dd6f785c89389b70adffb82d
SHA256b1ee924b6d4c754fcd6dfbd18bcbec0286bebf7106669094b825156c96afc02f
SHA512656d11cc5914677475e150e66b91d358853e901b81a7e89f9c11740a756e869855d3c4b442572d157697ec6bd7112a77cf3a7938f2c49a9d7ccf4a9dfe52c467
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a9a09679a8e57da3da44705b74cfc0f3
SHA150e9dab173bb436dfe202d8902eeb628a44f962a
SHA2563b808199020017f184f63b239b6761072d2a8cd312d5f85978216cec5aa41538
SHA512643a27582eeeb9953326392bbc1a4aa9a4780e71299ae4570e32555185ce3b3c822e64bcacd68ba5046d33ad8ef239262b908cc3c4f1982f4942fe7d51a6691b
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Filesize
4.1MB
MD5ae80ef5f4a461ac52887230717e428dd
SHA155f13d6df0930874e20cf6971f3fcb0c93e1bf89
SHA256796524acbd02a2ed031545a70c4357c85f35ff80e1d09d714776634dc92060f6
SHA51291da3f934b41c7f72caff29cb3c1c495f3b81477b17931bfb425bfc41e292fb85142a84b6333f7b0821fea7b73a3c5748c0248871f32ade88ddba84c63f9a60c
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec