Analysis
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max time kernel
150s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
23/04/2024, 17:50
Static task
static1
Behavioral task
behavioral1
Sample
40b88c9996809d63b87ccc08035535516c92d9f226636f7812d79423985ccffb.exe
Resource
win10v2004-20240412-en
General
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Target
40b88c9996809d63b87ccc08035535516c92d9f226636f7812d79423985ccffb.exe
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Size
4.2MB
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MD5
01184610a639c8674591e36b9181f3d0
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SHA1
2a5eb820ab0d3aafd0f25bbfb83fd6cb2b6d6d67
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SHA256
40b88c9996809d63b87ccc08035535516c92d9f226636f7812d79423985ccffb
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SHA512
c667455dca7ace8705c9ceba5c16c85fa291ba31e2c09ab5b82d957213f787f7518049990cbcfae5e02a73fca2b927a6c9516361292ba9ed8678f63e7926311d
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SSDEEP
98304:VjZ0w3JCpg65gxtzIPECtbDHCGHQv1+jWp0itpTHKkwvKchVEkEa:foB5gcPNN+GC1+jc0itcvKKr
Malware Config
Signatures
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Glupteba payload 17 IoCs
resource yara_rule behavioral1/memory/4088-2-0x00000000065C0000-0x0000000006EAB000-memory.dmp family_glupteba behavioral1/memory/4088-69-0x00000000065C0000-0x0000000006EAB000-memory.dmp family_glupteba behavioral1/memory/2096-150-0x0000000000400000-0x0000000004426000-memory.dmp family_glupteba behavioral1/memory/4088-153-0x0000000000400000-0x0000000004426000-memory.dmp family_glupteba behavioral1/memory/4260-248-0x0000000000400000-0x0000000004426000-memory.dmp family_glupteba behavioral1/memory/4260-250-0x0000000000400000-0x0000000004426000-memory.dmp family_glupteba behavioral1/memory/4260-251-0x0000000000400000-0x0000000004426000-memory.dmp family_glupteba behavioral1/memory/4260-262-0x0000000000400000-0x0000000004426000-memory.dmp family_glupteba behavioral1/memory/4260-264-0x0000000000400000-0x0000000004426000-memory.dmp family_glupteba behavioral1/memory/4260-267-0x0000000000400000-0x0000000004426000-memory.dmp family_glupteba behavioral1/memory/4260-270-0x0000000000400000-0x0000000004426000-memory.dmp family_glupteba behavioral1/memory/4260-273-0x0000000000400000-0x0000000004426000-memory.dmp family_glupteba behavioral1/memory/4260-276-0x0000000000400000-0x0000000004426000-memory.dmp family_glupteba behavioral1/memory/4260-279-0x0000000000400000-0x0000000004426000-memory.dmp family_glupteba behavioral1/memory/4260-282-0x0000000000400000-0x0000000004426000-memory.dmp family_glupteba behavioral1/memory/4260-285-0x0000000000400000-0x0000000004426000-memory.dmp family_glupteba behavioral1/memory/4260-288-0x0000000000400000-0x0000000004426000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3936 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4260 csrss.exe 2080 injector.exe 2544 windefender.exe 2472 windefender.exe -
resource yara_rule behavioral1/files/0x0004000000016928-256.dat upx behavioral1/memory/2544-260-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2472-265-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2472-271-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4084619521-2220719027-1909462854-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 40b88c9996809d63b87ccc08035535516c92d9f226636f7812d79423985ccffb.exe Set value (str) \REGISTRY\USER\S-1-5-21-4084619521-2220719027-1909462854-1000\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 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 40b88c9996809d63b87ccc08035535516c92d9f226636f7812d79423985ccffb.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 40b88c9996809d63b87ccc08035535516c92d9f226636f7812d79423985ccffb.exe File created C:\Windows\rss\csrss.exe 40b88c9996809d63b87ccc08035535516c92d9f226636f7812d79423985ccffb.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 2628 sc.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 4996 schtasks.exe 5108 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" 40b88c9996809d63b87ccc08035535516c92d9f226636f7812d79423985ccffb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-411 = "E. Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-682 = "E. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time" 40b88c9996809d63b87ccc08035535516c92d9f226636f7812d79423985ccffb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs 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\26\52C64B7E\@tzres.dll,-652 = "AUS Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time" 40b88c9996809d63b87ccc08035535516c92d9f226636f7812d79423985ccffb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2061 = "North Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time" 40b88c9996809d63b87ccc08035535516c92d9f226636f7812d79423985ccffb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time" 40b88c9996809d63b87ccc08035535516c92d9f226636f7812d79423985ccffb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-3141 = "South Sudan Daylight Time" 40b88c9996809d63b87ccc08035535516c92d9f226636f7812d79423985ccffb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2591 = "Tocantins Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" 40b88c9996809d63b87ccc08035535516c92d9f226636f7812d79423985ccffb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-282 = "Central Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2791 = "Novosibirsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" 40b88c9996809d63b87ccc08035535516c92d9f226636f7812d79423985ccffb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-211 = "Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time" 40b88c9996809d63b87ccc08035535516c92d9f226636f7812d79423985ccffb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time" 40b88c9996809d63b87ccc08035535516c92d9f226636f7812d79423985ccffb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time" 40b88c9996809d63b87ccc08035535516c92d9f226636f7812d79423985ccffb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-142 = "Canada Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-41 = "E. South America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2842 = "Saratov Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time" 40b88c9996809d63b87ccc08035535516c92d9f226636f7812d79423985ccffb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time" 40b88c9996809d63b87ccc08035535516c92d9f226636f7812d79423985ccffb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\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\26\52C64B7E\@tzres.dll,-1472 = "Magadan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" 40b88c9996809d63b87ccc08035535516c92d9f226636f7812d79423985ccffb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time" 40b88c9996809d63b87ccc08035535516c92d9f226636f7812d79423985ccffb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.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\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-501 = "Nepal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-791 = "SA Western Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time" 40b88c9996809d63b87ccc08035535516c92d9f226636f7812d79423985ccffb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time" 40b88c9996809d63b87ccc08035535516c92d9f226636f7812d79423985ccffb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time" 40b88c9996809d63b87ccc08035535516c92d9f226636f7812d79423985ccffb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time" 40b88c9996809d63b87ccc08035535516c92d9f226636f7812d79423985ccffb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.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\26\52C64B7E\@tzres.dll,-2611 = "Bougainville Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-32 = "Mid-Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-741 = "New Zealand Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time" 40b88c9996809d63b87ccc08035535516c92d9f226636f7812d79423985ccffb.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4960 powershell.exe 4960 powershell.exe 4088 40b88c9996809d63b87ccc08035535516c92d9f226636f7812d79423985ccffb.exe 4088 40b88c9996809d63b87ccc08035535516c92d9f226636f7812d79423985ccffb.exe 1160 powershell.exe 1160 powershell.exe 2096 40b88c9996809d63b87ccc08035535516c92d9f226636f7812d79423985ccffb.exe 2096 40b88c9996809d63b87ccc08035535516c92d9f226636f7812d79423985ccffb.exe 2096 40b88c9996809d63b87ccc08035535516c92d9f226636f7812d79423985ccffb.exe 2096 40b88c9996809d63b87ccc08035535516c92d9f226636f7812d79423985ccffb.exe 2096 40b88c9996809d63b87ccc08035535516c92d9f226636f7812d79423985ccffb.exe 2096 40b88c9996809d63b87ccc08035535516c92d9f226636f7812d79423985ccffb.exe 2096 40b88c9996809d63b87ccc08035535516c92d9f226636f7812d79423985ccffb.exe 2096 40b88c9996809d63b87ccc08035535516c92d9f226636f7812d79423985ccffb.exe 2096 40b88c9996809d63b87ccc08035535516c92d9f226636f7812d79423985ccffb.exe 2096 40b88c9996809d63b87ccc08035535516c92d9f226636f7812d79423985ccffb.exe 2704 powershell.exe 2704 powershell.exe 2628 powershell.exe 2628 powershell.exe 4960 powershell.exe 4960 powershell.exe 4960 powershell.exe 2544 powershell.exe 2544 powershell.exe 2544 powershell.exe 936 powershell.exe 936 powershell.exe 936 powershell.exe 2080 injector.exe 2080 injector.exe 2080 injector.exe 2080 injector.exe 2080 injector.exe 2080 injector.exe 4260 csrss.exe 4260 csrss.exe 2080 injector.exe 2080 injector.exe 2080 injector.exe 2080 injector.exe 2080 injector.exe 2080 injector.exe 4260 csrss.exe 4260 csrss.exe 2080 injector.exe 2080 injector.exe 2080 injector.exe 2080 injector.exe 2080 injector.exe 2080 injector.exe 2080 injector.exe 2080 injector.exe 2080 injector.exe 2080 injector.exe 2080 injector.exe 2080 injector.exe 2080 injector.exe 2080 injector.exe 2080 injector.exe 2080 injector.exe 2080 injector.exe 2080 injector.exe 2080 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4960 powershell.exe Token: SeDebugPrivilege 4088 40b88c9996809d63b87ccc08035535516c92d9f226636f7812d79423985ccffb.exe Token: SeImpersonatePrivilege 4088 40b88c9996809d63b87ccc08035535516c92d9f226636f7812d79423985ccffb.exe Token: SeDebugPrivilege 1160 powershell.exe Token: SeDebugPrivilege 2704 powershell.exe Token: SeDebugPrivilege 2628 powershell.exe Token: SeDebugPrivilege 4960 powershell.exe Token: SeDebugPrivilege 2544 powershell.exe Token: SeDebugPrivilege 936 powershell.exe Token: SeSystemEnvironmentPrivilege 4260 csrss.exe Token: SeSecurityPrivilege 2628 sc.exe Token: SeSecurityPrivilege 2628 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4088 wrote to memory of 4960 4088 40b88c9996809d63b87ccc08035535516c92d9f226636f7812d79423985ccffb.exe 112 PID 4088 wrote to memory of 4960 4088 40b88c9996809d63b87ccc08035535516c92d9f226636f7812d79423985ccffb.exe 112 PID 4088 wrote to memory of 4960 4088 40b88c9996809d63b87ccc08035535516c92d9f226636f7812d79423985ccffb.exe 112 PID 2096 wrote to memory of 1160 2096 40b88c9996809d63b87ccc08035535516c92d9f226636f7812d79423985ccffb.exe 94 PID 2096 wrote to memory of 1160 2096 40b88c9996809d63b87ccc08035535516c92d9f226636f7812d79423985ccffb.exe 94 PID 2096 wrote to memory of 1160 2096 40b88c9996809d63b87ccc08035535516c92d9f226636f7812d79423985ccffb.exe 94 PID 2096 wrote to memory of 892 2096 40b88c9996809d63b87ccc08035535516c92d9f226636f7812d79423985ccffb.exe 98 PID 2096 wrote to memory of 892 2096 40b88c9996809d63b87ccc08035535516c92d9f226636f7812d79423985ccffb.exe 98 PID 892 wrote to memory of 3936 892 cmd.exe 100 PID 892 wrote to memory of 3936 892 cmd.exe 100 PID 2096 wrote to memory of 2704 2096 40b88c9996809d63b87ccc08035535516c92d9f226636f7812d79423985ccffb.exe 101 PID 2096 wrote to memory of 2704 2096 40b88c9996809d63b87ccc08035535516c92d9f226636f7812d79423985ccffb.exe 101 PID 2096 wrote to memory of 2704 2096 40b88c9996809d63b87ccc08035535516c92d9f226636f7812d79423985ccffb.exe 101 PID 2096 wrote to memory of 2628 2096 40b88c9996809d63b87ccc08035535516c92d9f226636f7812d79423985ccffb.exe 133 PID 2096 wrote to memory of 2628 2096 40b88c9996809d63b87ccc08035535516c92d9f226636f7812d79423985ccffb.exe 133 PID 2096 wrote to memory of 2628 2096 40b88c9996809d63b87ccc08035535516c92d9f226636f7812d79423985ccffb.exe 133 PID 2096 wrote to memory of 4260 2096 40b88c9996809d63b87ccc08035535516c92d9f226636f7812d79423985ccffb.exe 110 PID 2096 wrote to memory of 4260 2096 40b88c9996809d63b87ccc08035535516c92d9f226636f7812d79423985ccffb.exe 110 PID 2096 wrote to memory of 4260 2096 40b88c9996809d63b87ccc08035535516c92d9f226636f7812d79423985ccffb.exe 110 PID 4260 wrote to memory of 4960 4260 csrss.exe 112 PID 4260 wrote to memory of 4960 4260 csrss.exe 112 PID 4260 wrote to memory of 4960 4260 csrss.exe 112 PID 4260 wrote to memory of 2544 4260 csrss.exe 130 PID 4260 wrote to memory of 2544 4260 csrss.exe 130 PID 4260 wrote to memory of 2544 4260 csrss.exe 130 PID 4260 wrote to memory of 936 4260 csrss.exe 121 PID 4260 wrote to memory of 936 4260 csrss.exe 121 PID 4260 wrote to memory of 936 4260 csrss.exe 121 PID 4260 wrote to memory of 2080 4260 csrss.exe 123 PID 4260 wrote to memory of 2080 4260 csrss.exe 123 PID 2544 wrote to memory of 3960 2544 windefender.exe 132 PID 2544 wrote to memory of 3960 2544 windefender.exe 132 PID 2544 wrote to memory of 3960 2544 windefender.exe 132 PID 3960 wrote to memory of 2628 3960 cmd.exe 133 PID 3960 wrote to memory of 2628 3960 cmd.exe 133 PID 3960 wrote to memory of 2628 3960 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\40b88c9996809d63b87ccc08035535516c92d9f226636f7812d79423985ccffb.exe"C:\Users\Admin\AppData\Local\Temp\40b88c9996809d63b87ccc08035535516c92d9f226636f7812d79423985ccffb.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4088 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4960
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C:\Users\Admin\AppData\Local\Temp\40b88c9996809d63b87ccc08035535516c92d9f226636f7812d79423985ccffb.exe"C:\Users\Admin\AppData\Local\Temp\40b88c9996809d63b87ccc08035535516c92d9f226636f7812d79423985ccffb.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:2096 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1160
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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:892 -
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:3936
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2704
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2628
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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:4260 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4960
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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:4996
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1208
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2544
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:936
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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:2080
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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:5108
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2544 -
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:3960 -
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:2628
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2472
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
MD51bbbd9cd7ef15b505310fa3dd079d911
SHA148db1c89760418a18a8c815f678f1c9e99bfbd8c
SHA2565c0268085991b2ceeb0c931abeeeaba4d038456013ecb54db5bb6b3ff2da2d5b
SHA51211e34d3c46a60e9eb5effa251d0bf295135f95cd11576f374a7693ef8a401ea3369279e35497063fb6ede3814b72a276e235ff8af42dd7fdfa88e2322e506ae1
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD544b296dcc98f07eaae4b7af03fdf9d26
SHA18a7c3bfecf6d519ba0d56db116fc7aed48ca1de3
SHA256e61b4312868570198dd797e3ea1b21ee42c0c198b5bee93282bcbe81679d067d
SHA512d047759d28231a6c3867348ebf8afbd34888edb9feb4e9c641b5116b5d42018ca837820524e903cea39b1f3c4aaded8b914c70e245a9b0fbf6124d3c092c09d7
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5262aa20926e6d8ab0161abfb080fefa9
SHA13e2e16b5dc6104aeb484421f190d92fea887dc38
SHA256562ece1001701b5df818d6bdc2e82e167c9e53c70b281d22247a53012b56a7ea
SHA512741e9ce223698f344e7730918f6775415d0f8898418392f61f45b81cbf5f49b61bb7ee651aae11eaca44b6079e9e4d86426d6879cad13136b966b111408398fd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d280b0205496d7ac525cf74d27ef2990
SHA18535ead6344adb2241778801551778e58cc94eec
SHA256f53f2e2bea895b783b123969245df0a7ee33b8183df013b136a8e2b59d3c17dc
SHA51268a7684f3f5d601a8d89cb8777d512c2b9b829be2ef5e40e2523716cbb2ab0756f6a5d0b73235dcf2f416e9ff441782b66da3b95cd0ba63286b1f1bad8bca849
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5494c82e844191656b550f1db3592214a
SHA1a2dc7e0d4413951387f65c72c91ce9bb7f139263
SHA2560d6641b15d2d3d87501ab868eeee64fc541a5b6cd2357cacdf04490e58d697e1
SHA512d4cf640cd88647e4c4ea9730a7077cad5e2708533c1edf7799f5bed675a4d5c511585c072d007b8dc8a76f21d60566a4d6bf94c4d9bdfc3be5d47ebe4a0c5863
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Filesize
4.2MB
MD501184610a639c8674591e36b9181f3d0
SHA12a5eb820ab0d3aafd0f25bbfb83fd6cb2b6d6d67
SHA25640b88c9996809d63b87ccc08035535516c92d9f226636f7812d79423985ccffb
SHA512c667455dca7ace8705c9ceba5c16c85fa291ba31e2c09ab5b82d957213f787f7518049990cbcfae5e02a73fca2b927a6c9516361292ba9ed8678f63e7926311d
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec