Analysis
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max time kernel
150s -
max time network
126s -
platform
windows10-2004_x64 -
resource
win10v2004-20240419-en -
resource tags
arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system -
submitted
07/05/2024, 19:46
Static task
static1
Behavioral task
behavioral1
Sample
a2455f3ab2a50b8ac82769d012a737114c251f05df1b645261d58948eb8b5aed.exe
Resource
win10v2004-20240419-en
General
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Target
a2455f3ab2a50b8ac82769d012a737114c251f05df1b645261d58948eb8b5aed.exe
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Size
4.1MB
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MD5
2d14dc8f44e224378b21a04c53952e67
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SHA1
036b2edf360e7f621a783a5862bb16194c518cd8
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SHA256
a2455f3ab2a50b8ac82769d012a737114c251f05df1b645261d58948eb8b5aed
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SHA512
e26cb57d30e7d377f3db1109bd1aabb90a481888087124fe2553a7e4ee745db7f31dfb957094d59176120d3c38a0d3040d16b7ab0b65a01f5b3598c044bd543d
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SSDEEP
98304:6hmuVfMdjxpGXzj6u2Qs59B1FlEndk49vn8VDl82JcFTl:6hmCWjqzX2vxAndk49qBUf
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral1/memory/1548-2-0x0000000004FA0000-0x000000000588B000-memory.dmp family_glupteba behavioral1/memory/1548-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1548-4-0x0000000000400000-0x0000000002EE2000-memory.dmp family_glupteba behavioral1/memory/1548-57-0x0000000004FA0000-0x000000000588B000-memory.dmp family_glupteba behavioral1/memory/1548-58-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1548-56-0x0000000000400000-0x0000000002EE2000-memory.dmp family_glupteba behavioral1/memory/388-135-0x0000000000400000-0x0000000002EE2000-memory.dmp family_glupteba behavioral1/memory/4188-150-0x0000000000400000-0x0000000002EE2000-memory.dmp family_glupteba behavioral1/memory/4188-219-0x0000000000400000-0x0000000002EE2000-memory.dmp family_glupteba behavioral1/memory/4188-230-0x0000000000400000-0x0000000002EE2000-memory.dmp family_glupteba behavioral1/memory/4188-231-0x0000000000400000-0x0000000002EE2000-memory.dmp family_glupteba behavioral1/memory/4188-233-0x0000000000400000-0x0000000002EE2000-memory.dmp family_glupteba behavioral1/memory/4188-236-0x0000000000400000-0x0000000002EE2000-memory.dmp family_glupteba behavioral1/memory/4188-238-0x0000000000400000-0x0000000002EE2000-memory.dmp family_glupteba behavioral1/memory/4188-239-0x0000000000400000-0x0000000002EE2000-memory.dmp family_glupteba behavioral1/memory/4188-241-0x0000000000400000-0x0000000002EE2000-memory.dmp family_glupteba behavioral1/memory/4188-244-0x0000000000400000-0x0000000002EE2000-memory.dmp family_glupteba behavioral1/memory/4188-246-0x0000000000400000-0x0000000002EE2000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4184 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4188 csrss.exe 5100 injector.exe 5068 windefender.exe 2840 windefender.exe -
resource yara_rule behavioral1/files/0x000b000000023b9f-223.dat upx behavioral1/memory/5068-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2840-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/5068-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2840-232-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2840-235-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3411335054-1982420046-2118495756-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" a2455f3ab2a50b8ac82769d012a737114c251f05df1b645261d58948eb8b5aed.exe Set value (str) \REGISTRY\USER\S-1-5-21-3411335054-1982420046-2118495756-1000\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 a2455f3ab2a50b8ac82769d012a737114c251f05df1b645261d58948eb8b5aed.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss a2455f3ab2a50b8ac82769d012a737114c251f05df1b645261d58948eb8b5aed.exe File created C:\Windows\rss\csrss.exe a2455f3ab2a50b8ac82769d012a737114c251f05df1b645261d58948eb8b5aed.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 3424 sc.exe -
pid Process 3124 powershell.exe 4124 powershell.exe 4268 powershell.exe 4700 powershell.exe 3232 powershell.exe 4976 powershell.exe 1352 powershell.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 2140 1548 WerFault.exe 82 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3688 schtasks.exe 2176 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,-1862 = "Russia TZ 6 Standard Time" a2455f3ab2a50b8ac82769d012a737114c251f05df1b645261d58948eb8b5aed.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs 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,-221 = "Alaskan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-11 = "Azores Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-591 = "Malay Peninsula Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time" a2455f3ab2a50b8ac82769d012a737114c251f05df1b645261d58948eb8b5aed.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time" a2455f3ab2a50b8ac82769d012a737114c251f05df1b645261d58948eb8b5aed.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" a2455f3ab2a50b8ac82769d012a737114c251f05df1b645261d58948eb8b5aed.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" a2455f3ab2a50b8ac82769d012a737114c251f05df1b645261d58948eb8b5aed.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.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,-334 = "Jordan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time" a2455f3ab2a50b8ac82769d012a737114c251f05df1b645261d58948eb8b5aed.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates 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,-162 = "Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-232 = "Hawaiian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2062 = "North Korea Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-432 = "Iran Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time" a2455f3ab2a50b8ac82769d012a737114c251f05df1b645261d58948eb8b5aed.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,-2001 = "Cabo Verde Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1722 = "Libya Standard Time" windefender.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\@tzres.dll,-1042 = "Ulaanbaatar Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time" a2455f3ab2a50b8ac82769d012a737114c251f05df1b645261d58948eb8b5aed.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-431 = "Iran Daylight Time" a2455f3ab2a50b8ac82769d012a737114c251f05df1b645261d58948eb8b5aed.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" a2455f3ab2a50b8ac82769d012a737114c251f05df1b645261d58948eb8b5aed.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" a2455f3ab2a50b8ac82769d012a737114c251f05df1b645261d58948eb8b5aed.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\@tzres.dll,-431 = "Iran Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2511 = "Lord Howe 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,-201 = "US Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time" a2455f3ab2a50b8ac82769d012a737114c251f05df1b645261d58948eb8b5aed.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time" a2455f3ab2a50b8ac82769d012a737114c251f05df1b645261d58948eb8b5aed.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates 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,-2612 = "Bougainville Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2841 = "Saratov Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time" a2455f3ab2a50b8ac82769d012a737114c251f05df1b645261d58948eb8b5aed.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" a2455f3ab2a50b8ac82769d012a737114c251f05df1b645261d58948eb8b5aed.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-251 = "Dateline Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time" a2455f3ab2a50b8ac82769d012a737114c251f05df1b645261d58948eb8b5aed.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" a2455f3ab2a50b8ac82769d012a737114c251f05df1b645261d58948eb8b5aed.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.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,-3051 = "Qyzylorda Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3232 powershell.exe 3232 powershell.exe 1548 a2455f3ab2a50b8ac82769d012a737114c251f05df1b645261d58948eb8b5aed.exe 1548 a2455f3ab2a50b8ac82769d012a737114c251f05df1b645261d58948eb8b5aed.exe 4976 powershell.exe 4976 powershell.exe 388 a2455f3ab2a50b8ac82769d012a737114c251f05df1b645261d58948eb8b5aed.exe 388 a2455f3ab2a50b8ac82769d012a737114c251f05df1b645261d58948eb8b5aed.exe 388 a2455f3ab2a50b8ac82769d012a737114c251f05df1b645261d58948eb8b5aed.exe 388 a2455f3ab2a50b8ac82769d012a737114c251f05df1b645261d58948eb8b5aed.exe 388 a2455f3ab2a50b8ac82769d012a737114c251f05df1b645261d58948eb8b5aed.exe 388 a2455f3ab2a50b8ac82769d012a737114c251f05df1b645261d58948eb8b5aed.exe 388 a2455f3ab2a50b8ac82769d012a737114c251f05df1b645261d58948eb8b5aed.exe 388 a2455f3ab2a50b8ac82769d012a737114c251f05df1b645261d58948eb8b5aed.exe 388 a2455f3ab2a50b8ac82769d012a737114c251f05df1b645261d58948eb8b5aed.exe 388 a2455f3ab2a50b8ac82769d012a737114c251f05df1b645261d58948eb8b5aed.exe 1352 powershell.exe 1352 powershell.exe 3124 powershell.exe 3124 powershell.exe 4124 powershell.exe 4124 powershell.exe 4268 powershell.exe 4268 powershell.exe 4700 powershell.exe 4700 powershell.exe 5100 injector.exe 5100 injector.exe 5100 injector.exe 5100 injector.exe 5100 injector.exe 5100 injector.exe 4188 csrss.exe 4188 csrss.exe 5100 injector.exe 5100 injector.exe 5100 injector.exe 5100 injector.exe 5100 injector.exe 5100 injector.exe 4188 csrss.exe 4188 csrss.exe 5100 injector.exe 5100 injector.exe 4188 csrss.exe 4188 csrss.exe 5100 injector.exe 5100 injector.exe 5100 injector.exe 5100 injector.exe 5100 injector.exe 5100 injector.exe 5100 injector.exe 5100 injector.exe 5100 injector.exe 5100 injector.exe 5100 injector.exe 5100 injector.exe 5100 injector.exe 5100 injector.exe 5100 injector.exe 5100 injector.exe 5100 injector.exe 5100 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3232 powershell.exe Token: SeDebugPrivilege 1548 a2455f3ab2a50b8ac82769d012a737114c251f05df1b645261d58948eb8b5aed.exe Token: SeImpersonatePrivilege 1548 a2455f3ab2a50b8ac82769d012a737114c251f05df1b645261d58948eb8b5aed.exe Token: SeDebugPrivilege 4976 powershell.exe Token: SeDebugPrivilege 1352 powershell.exe Token: SeDebugPrivilege 3124 powershell.exe Token: SeDebugPrivilege 4124 powershell.exe Token: SeDebugPrivilege 4268 powershell.exe Token: SeDebugPrivilege 4700 powershell.exe Token: SeSystemEnvironmentPrivilege 4188 csrss.exe Token: SeSecurityPrivilege 3424 sc.exe Token: SeSecurityPrivilege 3424 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1548 wrote to memory of 3232 1548 a2455f3ab2a50b8ac82769d012a737114c251f05df1b645261d58948eb8b5aed.exe 97 PID 1548 wrote to memory of 3232 1548 a2455f3ab2a50b8ac82769d012a737114c251f05df1b645261d58948eb8b5aed.exe 97 PID 1548 wrote to memory of 3232 1548 a2455f3ab2a50b8ac82769d012a737114c251f05df1b645261d58948eb8b5aed.exe 97 PID 388 wrote to memory of 4976 388 a2455f3ab2a50b8ac82769d012a737114c251f05df1b645261d58948eb8b5aed.exe 104 PID 388 wrote to memory of 4976 388 a2455f3ab2a50b8ac82769d012a737114c251f05df1b645261d58948eb8b5aed.exe 104 PID 388 wrote to memory of 4976 388 a2455f3ab2a50b8ac82769d012a737114c251f05df1b645261d58948eb8b5aed.exe 104 PID 388 wrote to memory of 3536 388 a2455f3ab2a50b8ac82769d012a737114c251f05df1b645261d58948eb8b5aed.exe 107 PID 388 wrote to memory of 3536 388 a2455f3ab2a50b8ac82769d012a737114c251f05df1b645261d58948eb8b5aed.exe 107 PID 3536 wrote to memory of 4184 3536 cmd.exe 109 PID 3536 wrote to memory of 4184 3536 cmd.exe 109 PID 388 wrote to memory of 1352 388 a2455f3ab2a50b8ac82769d012a737114c251f05df1b645261d58948eb8b5aed.exe 110 PID 388 wrote to memory of 1352 388 a2455f3ab2a50b8ac82769d012a737114c251f05df1b645261d58948eb8b5aed.exe 110 PID 388 wrote to memory of 1352 388 a2455f3ab2a50b8ac82769d012a737114c251f05df1b645261d58948eb8b5aed.exe 110 PID 388 wrote to memory of 3124 388 a2455f3ab2a50b8ac82769d012a737114c251f05df1b645261d58948eb8b5aed.exe 112 PID 388 wrote to memory of 3124 388 a2455f3ab2a50b8ac82769d012a737114c251f05df1b645261d58948eb8b5aed.exe 112 PID 388 wrote to memory of 3124 388 a2455f3ab2a50b8ac82769d012a737114c251f05df1b645261d58948eb8b5aed.exe 112 PID 388 wrote to memory of 4188 388 a2455f3ab2a50b8ac82769d012a737114c251f05df1b645261d58948eb8b5aed.exe 115 PID 388 wrote to memory of 4188 388 a2455f3ab2a50b8ac82769d012a737114c251f05df1b645261d58948eb8b5aed.exe 115 PID 388 wrote to memory of 4188 388 a2455f3ab2a50b8ac82769d012a737114c251f05df1b645261d58948eb8b5aed.exe 115 PID 4188 wrote to memory of 4124 4188 csrss.exe 116 PID 4188 wrote to memory of 4124 4188 csrss.exe 116 PID 4188 wrote to memory of 4124 4188 csrss.exe 116 PID 4188 wrote to memory of 4268 4188 csrss.exe 122 PID 4188 wrote to memory of 4268 4188 csrss.exe 122 PID 4188 wrote to memory of 4268 4188 csrss.exe 122 PID 4188 wrote to memory of 4700 4188 csrss.exe 124 PID 4188 wrote to memory of 4700 4188 csrss.exe 124 PID 4188 wrote to memory of 4700 4188 csrss.exe 124 PID 4188 wrote to memory of 5100 4188 csrss.exe 126 PID 4188 wrote to memory of 5100 4188 csrss.exe 126 PID 5068 wrote to memory of 2008 5068 windefender.exe 132 PID 5068 wrote to memory of 2008 5068 windefender.exe 132 PID 5068 wrote to memory of 2008 5068 windefender.exe 132 PID 2008 wrote to memory of 3424 2008 cmd.exe 133 PID 2008 wrote to memory of 3424 2008 cmd.exe 133 PID 2008 wrote to memory of 3424 2008 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\a2455f3ab2a50b8ac82769d012a737114c251f05df1b645261d58948eb8b5aed.exe"C:\Users\Admin\AppData\Local\Temp\a2455f3ab2a50b8ac82769d012a737114c251f05df1b645261d58948eb8b5aed.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1548 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3232
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C:\Users\Admin\AppData\Local\Temp\a2455f3ab2a50b8ac82769d012a737114c251f05df1b645261d58948eb8b5aed.exe"C:\Users\Admin\AppData\Local\Temp\a2455f3ab2a50b8ac82769d012a737114c251f05df1b645261d58948eb8b5aed.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:388 -
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:4976
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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:3536 -
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:4184
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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:1352
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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:3124
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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:4188 -
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:4124
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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:3688
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4928
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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:4268
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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:4700
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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:5100
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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:2176
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:5068 -
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:2008 -
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:3424
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1548 -s 6362⤵
- Program crash
PID:2140
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 1548 -ip 15481⤵PID:4488
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2840
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
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5bae1bc93346389a7604979383839cabd
SHA11727b7dd983f594d49f1ac4fdd6fbc51f591048c
SHA2568a80f98da03bb98e2ccbf16be6c84fa265cc99c44f89b18f07001d415e80ffa8
SHA512cb27e039435dd868bbc26d2b781ba24bfe8a54568b2674081c06b19ffbfc0a650d9693a97652290470cd9887af2ea87826dc80d02db28f617ad84843db28794d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58ebcc55207cfa2f852cc7f8cb739fc24
SHA1ac32149f02d7cc9c6f48bf93026fc84442e804a1
SHA256b6542f355b873442603113b5ec0296a31f1e6ec254ca162386a51a38f219f0da
SHA512846395fbc2b76f8c2a6b21fa17f7f683f163484096d7c56111668a129fa7586fc040871834cb87a2ecdf0cbb863deeefa0944e0712aecdab7a59da876d8fbe25
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c88c8d6ead5c6bf7a6e772d0e39578e0
SHA14e52cd3d5a8fbfe5a972b0d324383b1b32ff435d
SHA256ac6afb53909e9a1e94b2708365e08e53ffc30d4e439050994839ff117b938bc5
SHA512da46d488ad9d0fe8a1ee7c13c906ae75d76e4ad35d410842f79e6996df4a710dffc63d962780f670784178d6b89c004ffe3347a89e58db1dd88e142f940bb165
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD533601674aea79cf94fb721f79c08df37
SHA126588d10a63e119d27c32675f6818d3fe06f7a46
SHA2565a2cabd216d410c74ef4574129d05d3ac930c05d224a4abe9860fb4f864c6b59
SHA51232f99f825d5ca9a9a6b2efec0b0865af5fbef0004b2ce3d5309a59fbf96d4c8c50919c689fa930963a4edd5bae3784cacd42c4837fc85e43978456a02ef17ae7
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD502a689bc8adcca0cdf318f294c96af10
SHA1877843b5df861563a68541434e6e6660bf992b86
SHA256fb5178634963c25c23eb9195d4feff225ce4a9350a57a8033bf08f1ad860cf4a
SHA512aa498b3432a4020dbc2cb3faa941a6782719b5c09ec218b9be1f68e8f5a04f2cc763b810b47bcdd7f89a00f6ceb47a5e7cb05326aeb172e8e7249b72fd49b44b
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Filesize
4.1MB
MD52d14dc8f44e224378b21a04c53952e67
SHA1036b2edf360e7f621a783a5862bb16194c518cd8
SHA256a2455f3ab2a50b8ac82769d012a737114c251f05df1b645261d58948eb8b5aed
SHA512e26cb57d30e7d377f3db1109bd1aabb90a481888087124fe2553a7e4ee745db7f31dfb957094d59176120d3c38a0d3040d16b7ab0b65a01f5b3598c044bd543d
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec