Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
12/05/2024, 08:55
Static task
static1
Behavioral task
behavioral1
Sample
285a9a7692bc591efff8167116ed317901a98fab361b76cdd1b8b979770d8695.exe
Resource
win10v2004-20240426-en
General
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Target
285a9a7692bc591efff8167116ed317901a98fab361b76cdd1b8b979770d8695.exe
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Size
4.1MB
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MD5
340b96993bf6fd77244216235e54b9b2
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SHA1
c3a64f6452e647f58f594296b4dd2100031607ae
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SHA256
285a9a7692bc591efff8167116ed317901a98fab361b76cdd1b8b979770d8695
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SHA512
3764ecfa07406037e092b98eab19bc0d191766c671664af8f91f67f32eec2e4bfd72eefee474812404dffc9b78bc985162214f512241141e8b6c7296a8263fa0
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SSDEEP
98304:swHa1f4lPh+ikf8lko3jmF3E4wVqF6tPv6O1tM612:swH/lppkSNoF61P1tM612
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/4424-2-0x0000000002D70000-0x000000000365B000-memory.dmp family_glupteba behavioral1/memory/4424-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4424-55-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4424-81-0x0000000002D70000-0x000000000365B000-memory.dmp family_glupteba behavioral1/memory/2896-131-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2896-212-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2072-213-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2072-232-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2072-234-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2072-238-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2072-242-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2072-248-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2072-250-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2072-254-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2072-258-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2072-264-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2072-266-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2072-270-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2072-274-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1508 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2072 csrss.exe 4288 injector.exe 3464 windefender.exe 4428 windefender.exe -
resource yara_rule behavioral1/files/0x0009000000023439-223.dat upx behavioral1/memory/3464-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4428-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3464-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4428-235-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4428-243-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 285a9a7692bc591efff8167116ed317901a98fab361b76cdd1b8b979770d8695.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 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 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 285a9a7692bc591efff8167116ed317901a98fab361b76cdd1b8b979770d8695.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 285a9a7692bc591efff8167116ed317901a98fab361b76cdd1b8b979770d8695.exe File created C:\Windows\rss\csrss.exe 285a9a7692bc591efff8167116ed317901a98fab361b76cdd1b8b979770d8695.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 4892 sc.exe -
pid Process 2400 powershell.exe 1988 powershell.exe 2372 powershell.exe 4240 powershell.exe 3492 powershell.exe 4736 powershell.exe 1508 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 1884 schtasks.exe 1336 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,-572 = "China Standard Time" 285a9a7692bc591efff8167116ed317901a98fab361b76cdd1b8b979770d8695.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-435 = "Georgian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time" 285a9a7692bc591efff8167116ed317901a98fab361b76cdd1b8b979770d8695.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" 285a9a7692bc591efff8167116ed317901a98fab361b76cdd1b8b979770d8695.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.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,-842 = "Argentina Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-622 = "Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-215 = "Pacific Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" 285a9a7692bc591efff8167116ed317901a98fab361b76cdd1b8b979770d8695.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time" 285a9a7692bc591efff8167116ed317901a98fab361b76cdd1b8b979770d8695.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3141 = "South Sudan Daylight Time" 285a9a7692bc591efff8167116ed317901a98fab361b76cdd1b8b979770d8695.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" 285a9a7692bc591efff8167116ed317901a98fab361b76cdd1b8b979770d8695.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" 285a9a7692bc591efff8167116ed317901a98fab361b76cdd1b8b979770d8695.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time" 285a9a7692bc591efff8167116ed317901a98fab361b76cdd1b8b979770d8695.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" 285a9a7692bc591efff8167116ed317901a98fab361b76cdd1b8b979770d8695.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\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,-832 = "SA Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2751 = "Tomsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time" 285a9a7692bc591efff8167116ed317901a98fab361b76cdd1b8b979770d8695.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-682 = "E. Australia Standard Time" windefender.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,-3051 = "Qyzylorda Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time" 285a9a7692bc591efff8167116ed317901a98fab361b76cdd1b8b979770d8695.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" 285a9a7692bc591efff8167116ed317901a98fab361b76cdd1b8b979770d8695.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" 285a9a7692bc591efff8167116ed317901a98fab361b76cdd1b8b979770d8695.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time" 285a9a7692bc591efff8167116ed317901a98fab361b76cdd1b8b979770d8695.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\@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1932 = "Russia TZ 11 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time" 285a9a7692bc591efff8167116ed317901a98fab361b76cdd1b8b979770d8695.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1971 = "Belarus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-632 = "Tokyo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time" 285a9a7692bc591efff8167116ed317901a98fab361b76cdd1b8b979770d8695.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-211 = "Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time" 285a9a7692bc591efff8167116ed317901a98fab361b76cdd1b8b979770d8695.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1872 = "Russia TZ 7 Standard Time" 285a9a7692bc591efff8167116ed317901a98fab361b76cdd1b8b979770d8695.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" 285a9a7692bc591efff8167116ed317901a98fab361b76cdd1b8b979770d8695.exe 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,-462 = "Afghanistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2592 = "Tocantins Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time" 285a9a7692bc591efff8167116ed317901a98fab361b76cdd1b8b979770d8695.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-601 = "Taipei Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time" 285a9a7692bc591efff8167116ed317901a98fab361b76cdd1b8b979770d8695.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" 285a9a7692bc591efff8167116ed317901a98fab361b76cdd1b8b979770d8695.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2400 powershell.exe 2400 powershell.exe 4424 285a9a7692bc591efff8167116ed317901a98fab361b76cdd1b8b979770d8695.exe 4424 285a9a7692bc591efff8167116ed317901a98fab361b76cdd1b8b979770d8695.exe 1988 powershell.exe 1988 powershell.exe 1988 powershell.exe 2896 285a9a7692bc591efff8167116ed317901a98fab361b76cdd1b8b979770d8695.exe 2896 285a9a7692bc591efff8167116ed317901a98fab361b76cdd1b8b979770d8695.exe 2896 285a9a7692bc591efff8167116ed317901a98fab361b76cdd1b8b979770d8695.exe 2896 285a9a7692bc591efff8167116ed317901a98fab361b76cdd1b8b979770d8695.exe 2896 285a9a7692bc591efff8167116ed317901a98fab361b76cdd1b8b979770d8695.exe 2896 285a9a7692bc591efff8167116ed317901a98fab361b76cdd1b8b979770d8695.exe 2896 285a9a7692bc591efff8167116ed317901a98fab361b76cdd1b8b979770d8695.exe 2896 285a9a7692bc591efff8167116ed317901a98fab361b76cdd1b8b979770d8695.exe 2896 285a9a7692bc591efff8167116ed317901a98fab361b76cdd1b8b979770d8695.exe 2896 285a9a7692bc591efff8167116ed317901a98fab361b76cdd1b8b979770d8695.exe 2372 powershell.exe 2372 powershell.exe 4240 powershell.exe 4240 powershell.exe 3492 powershell.exe 3492 powershell.exe 4736 powershell.exe 4736 powershell.exe 1508 powershell.exe 1508 powershell.exe 4288 injector.exe 4288 injector.exe 4288 injector.exe 4288 injector.exe 4288 injector.exe 4288 injector.exe 2072 csrss.exe 2072 csrss.exe 4288 injector.exe 4288 injector.exe 4288 injector.exe 4288 injector.exe 4288 injector.exe 4288 injector.exe 2072 csrss.exe 2072 csrss.exe 4288 injector.exe 4288 injector.exe 4288 injector.exe 4288 injector.exe 2072 csrss.exe 2072 csrss.exe 4288 injector.exe 4288 injector.exe 4288 injector.exe 4288 injector.exe 4288 injector.exe 4288 injector.exe 4288 injector.exe 4288 injector.exe 4288 injector.exe 4288 injector.exe 4288 injector.exe 4288 injector.exe 4288 injector.exe 4288 injector.exe 4288 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2400 powershell.exe Token: SeDebugPrivilege 4424 285a9a7692bc591efff8167116ed317901a98fab361b76cdd1b8b979770d8695.exe Token: SeImpersonatePrivilege 4424 285a9a7692bc591efff8167116ed317901a98fab361b76cdd1b8b979770d8695.exe Token: SeDebugPrivilege 1988 powershell.exe Token: SeDebugPrivilege 2372 powershell.exe Token: SeDebugPrivilege 4240 powershell.exe Token: SeDebugPrivilege 3492 powershell.exe Token: SeDebugPrivilege 4736 powershell.exe Token: SeDebugPrivilege 1508 powershell.exe Token: SeSystemEnvironmentPrivilege 2072 csrss.exe Token: SeSecurityPrivilege 4892 sc.exe Token: SeSecurityPrivilege 4892 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4424 wrote to memory of 2400 4424 285a9a7692bc591efff8167116ed317901a98fab361b76cdd1b8b979770d8695.exe 88 PID 4424 wrote to memory of 2400 4424 285a9a7692bc591efff8167116ed317901a98fab361b76cdd1b8b979770d8695.exe 88 PID 4424 wrote to memory of 2400 4424 285a9a7692bc591efff8167116ed317901a98fab361b76cdd1b8b979770d8695.exe 88 PID 2896 wrote to memory of 1988 2896 285a9a7692bc591efff8167116ed317901a98fab361b76cdd1b8b979770d8695.exe 103 PID 2896 wrote to memory of 1988 2896 285a9a7692bc591efff8167116ed317901a98fab361b76cdd1b8b979770d8695.exe 103 PID 2896 wrote to memory of 1988 2896 285a9a7692bc591efff8167116ed317901a98fab361b76cdd1b8b979770d8695.exe 103 PID 2896 wrote to memory of 1504 2896 285a9a7692bc591efff8167116ed317901a98fab361b76cdd1b8b979770d8695.exe 105 PID 2896 wrote to memory of 1504 2896 285a9a7692bc591efff8167116ed317901a98fab361b76cdd1b8b979770d8695.exe 105 PID 1504 wrote to memory of 1508 1504 cmd.exe 107 PID 1504 wrote to memory of 1508 1504 cmd.exe 107 PID 2896 wrote to memory of 2372 2896 285a9a7692bc591efff8167116ed317901a98fab361b76cdd1b8b979770d8695.exe 108 PID 2896 wrote to memory of 2372 2896 285a9a7692bc591efff8167116ed317901a98fab361b76cdd1b8b979770d8695.exe 108 PID 2896 wrote to memory of 2372 2896 285a9a7692bc591efff8167116ed317901a98fab361b76cdd1b8b979770d8695.exe 108 PID 2896 wrote to memory of 4240 2896 285a9a7692bc591efff8167116ed317901a98fab361b76cdd1b8b979770d8695.exe 110 PID 2896 wrote to memory of 4240 2896 285a9a7692bc591efff8167116ed317901a98fab361b76cdd1b8b979770d8695.exe 110 PID 2896 wrote to memory of 4240 2896 285a9a7692bc591efff8167116ed317901a98fab361b76cdd1b8b979770d8695.exe 110 PID 2896 wrote to memory of 2072 2896 285a9a7692bc591efff8167116ed317901a98fab361b76cdd1b8b979770d8695.exe 112 PID 2896 wrote to memory of 2072 2896 285a9a7692bc591efff8167116ed317901a98fab361b76cdd1b8b979770d8695.exe 112 PID 2896 wrote to memory of 2072 2896 285a9a7692bc591efff8167116ed317901a98fab361b76cdd1b8b979770d8695.exe 112 PID 2072 wrote to memory of 3492 2072 csrss.exe 113 PID 2072 wrote to memory of 3492 2072 csrss.exe 113 PID 2072 wrote to memory of 3492 2072 csrss.exe 113 PID 2072 wrote to memory of 4736 2072 csrss.exe 119 PID 2072 wrote to memory of 4736 2072 csrss.exe 119 PID 2072 wrote to memory of 4736 2072 csrss.exe 119 PID 2072 wrote to memory of 1508 2072 csrss.exe 121 PID 2072 wrote to memory of 1508 2072 csrss.exe 121 PID 2072 wrote to memory of 1508 2072 csrss.exe 121 PID 2072 wrote to memory of 4288 2072 csrss.exe 123 PID 2072 wrote to memory of 4288 2072 csrss.exe 123 PID 3464 wrote to memory of 4392 3464 windefender.exe 132 PID 3464 wrote to memory of 4392 3464 windefender.exe 132 PID 3464 wrote to memory of 4392 3464 windefender.exe 132 PID 4392 wrote to memory of 4892 4392 cmd.exe 133 PID 4392 wrote to memory of 4892 4392 cmd.exe 133 PID 4392 wrote to memory of 4892 4392 cmd.exe 133 -
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\285a9a7692bc591efff8167116ed317901a98fab361b76cdd1b8b979770d8695.exe"C:\Users\Admin\AppData\Local\Temp\285a9a7692bc591efff8167116ed317901a98fab361b76cdd1b8b979770d8695.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4424 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2400
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C:\Users\Admin\AppData\Local\Temp\285a9a7692bc591efff8167116ed317901a98fab361b76cdd1b8b979770d8695.exe"C:\Users\Admin\AppData\Local\Temp\285a9a7692bc591efff8167116ed317901a98fab361b76cdd1b8b979770d8695.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:2896 -
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:1988
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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:1504 -
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:1508
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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:2372
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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:4240
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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:2072 -
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:3492
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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:1884
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4332
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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:4736
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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:1508
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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:4288
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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:1336
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3464 -
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:4392 -
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:4892
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4428
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
MD588090e2365ae70af859fd80ebbdd5e8c
SHA19c7f80cc4322bbf7a6ad0d145d4e7b21cf0d523e
SHA25651be61061303df0b965a9c45f12854396bceead0d6fa82e6701ff9a16e4b4b6a
SHA5120716b166efed99b6ab5b78d21904dc85b54bc598a7d3aea5794b6665522233d58406e47b9beac862613f0432c37159d219e132fe69b76985e66f031751a1f22b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5db1d698a102d19e1a3fd08d92eefe093
SHA1dc641f74a7d2db598fa7fc3a5ab6c40c8a4dc295
SHA25625f93a828dac1d5cf0e97f9e6e38c8c4df8765d9c3dec1be029e81211bb96872
SHA512134bb300c3cdafd53c106ba6c3a533b6e769994990e7d1c4905066bdd16ba95d05693a74d43cf8920551b43e704e2b09d1fb7f983b92795d54418e185eb6a4af
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a1fe18ea5db252c458677a0b0415874e
SHA1afd41876ea1825b990c42de1e15cd28edfe235b1
SHA2560a0cefb87d741ed0e05457aa7948b01ddcd9824b802216382e49a2d18e8f2d4a
SHA512ffea19c6b782bcab578b3cd457caad99bb76f0bdb48ae201c814d5cf1c8401fa33f0fdb6ba0f3b425650000be180749630ce8bbd610e313901135feaebb24551
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD576a5a62371ce2f8a34042cd6976fa853
SHA12ede60b55dd57e6c2584120839f7452f91d60b65
SHA256305bf7ee4d9c63b74342f83b8e34d5621be1c613c419321491fc3e752379d295
SHA512e5f7263919c656ae617d2f1bac41186bb13eea85a127eb8503b7cc16d1384937841d887c132668f7ceb1bbf5d29e98a657f1171d9983fe16733cc1b21bc8e523
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d2d38f521f5ccd7b4d628897b5ed0509
SHA1913075830eefe21fcb952b1f1f18dc7a4f4c5387
SHA2568fcb939571548ab61db06094f1083fbaf7704e0deea33e44464031439c1b7ff2
SHA5129d782e3a22fd85e05d1aadd14588116006daf4b9e2be9f3802cda9e578fdd09f8949a974ba0ba564d8ab802eccea6c56128a2f178d1d15f801bf4e0d8e259e00
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Filesize
4.1MB
MD5340b96993bf6fd77244216235e54b9b2
SHA1c3a64f6452e647f58f594296b4dd2100031607ae
SHA256285a9a7692bc591efff8167116ed317901a98fab361b76cdd1b8b979770d8695
SHA5123764ecfa07406037e092b98eab19bc0d191766c671664af8f91f67f32eec2e4bfd72eefee474812404dffc9b78bc985162214f512241141e8b6c7296a8263fa0
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec