Analysis
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max time kernel
150s -
max time network
131s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
16-05-2024 10:20
Static task
static1
Behavioral task
behavioral1
Sample
c2ac6602b80a8faf3b2dacf3a9d1fb73f81a72d079944234cd293af88efc14ef.exe
Resource
win10v2004-20240426-en
General
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Target
c2ac6602b80a8faf3b2dacf3a9d1fb73f81a72d079944234cd293af88efc14ef.exe
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Size
4.1MB
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MD5
ff517167739e9a3c22813702ea067be5
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SHA1
db22cfd1119e1be0366774ea74b35e07644bffbc
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SHA256
c2ac6602b80a8faf3b2dacf3a9d1fb73f81a72d079944234cd293af88efc14ef
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SHA512
8b891d1c798643fa7b89e139af4ff97a3ee8b554a6f9b8a54a99ebe9d7638b1ee9465a4d760904b3a2e30aa38cb49b242e02bca7f5e8036c752296518b106ecd
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SSDEEP
98304:1BH5QtHgtXZGwxAeX68LG3wNCsYjHyiS0gsLIyJOWEFSdaDQG3a9nt1:1BZQtHgtXlxHq4G3ixkyiJTOnSQDy9nD
Malware Config
Signatures
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Glupteba payload 19 IoCs
Processes:
resource yara_rule behavioral1/memory/2476-2-0x0000000002D80000-0x000000000366B000-memory.dmp family_glupteba behavioral1/memory/2476-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3396-57-0x0000000002D70000-0x000000000365B000-memory.dmp family_glupteba behavioral1/memory/2476-81-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2476-107-0x0000000002D80000-0x000000000366B000-memory.dmp family_glupteba behavioral1/memory/3396-148-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2956-212-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2956-222-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2956-234-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2956-238-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2956-242-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2956-246-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2956-250-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2956-254-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2956-258-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2956-262-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2956-266-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2956-270-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2956-274-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 3924 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 2956 csrss.exe 4124 injector.exe 4108 windefender.exe 4580 windefender.exe -
Processes:
resource yara_rule behavioral1/files/0x0009000000023491-225.dat upx behavioral1/memory/4108-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4580-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4108-231-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4580-235-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4580-244-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
csrss.exec2ac6602b80a8faf3b2dacf3a9d1fb73f81a72d079944234cd293af88efc14ef.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" c2ac6602b80a8faf3b2dacf3a9d1fb73f81a72d079944234cd293af88efc14ef.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.
Processes:
csrss.exedescription ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process 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 File created 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.
Processes:
c2ac6602b80a8faf3b2dacf3a9d1fb73f81a72d079944234cd293af88efc14ef.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN c2ac6602b80a8faf3b2dacf3a9d1fb73f81a72d079944234cd293af88efc14ef.exe -
Drops file in Windows directory 4 IoCs
Processes:
c2ac6602b80a8faf3b2dacf3a9d1fb73f81a72d079944234cd293af88efc14ef.execsrss.exedescription ioc Process File opened for modification C:\Windows\rss c2ac6602b80a8faf3b2dacf3a9d1fb73f81a72d079944234cd293af88efc14ef.exe File created C:\Windows\rss\csrss.exe c2ac6602b80a8faf3b2dacf3a9d1fb73f81a72d079944234cd293af88efc14ef.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.
Processes:
sc.exepid Process 4316 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 2000 powershell.exe 4772 powershell.exe 4308 powershell.exe 4960 powershell.exe 2136 powershell.exe 3676 powershell.exe 4900 powershell.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exepid Process 1732 schtasks.exe 4984 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
c2ac6602b80a8faf3b2dacf3a9d1fb73f81a72d079944234cd293af88efc14ef.exepowershell.exewindefender.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" c2ac6602b80a8faf3b2dacf3a9d1fb73f81a72d079944234cd293af88efc14ef.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time" c2ac6602b80a8faf3b2dacf3a9d1fb73f81a72d079944234cd293af88efc14ef.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs 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,-441 = "Arabian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-112 = "Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-365 = "Middle East Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-72 = "Newfoundland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time" c2ac6602b80a8faf3b2dacf3a9d1fb73f81a72d079944234cd293af88efc14ef.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time" c2ac6602b80a8faf3b2dacf3a9d1fb73f81a72d079944234cd293af88efc14ef.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time" c2ac6602b80a8faf3b2dacf3a9d1fb73f81a72d079944234cd293af88efc14ef.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,-451 = "Caucasus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2341 = "Haiti Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time" c2ac6602b80a8faf3b2dacf3a9d1fb73f81a72d079944234cd293af88efc14ef.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time" c2ac6602b80a8faf3b2dacf3a9d1fb73f81a72d079944234cd293af88efc14ef.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" c2ac6602b80a8faf3b2dacf3a9d1fb73f81a72d079944234cd293af88efc14ef.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-501 = "Nepal Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-692 = "Tasmania Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" c2ac6602b80a8faf3b2dacf3a9d1fb73f81a72d079944234cd293af88efc14ef.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" c2ac6602b80a8faf3b2dacf3a9d1fb73f81a72d079944234cd293af88efc14ef.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time" c2ac6602b80a8faf3b2dacf3a9d1fb73f81a72d079944234cd293af88efc14ef.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2892 = "Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-202 = "US Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1862 = "Russia TZ 6 Standard Time" c2ac6602b80a8faf3b2dacf3a9d1fb73f81a72d079944234cd293af88efc14ef.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" c2ac6602b80a8faf3b2dacf3a9d1fb73f81a72d079944234cd293af88efc14ef.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed 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\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time" c2ac6602b80a8faf3b2dacf3a9d1fb73f81a72d079944234cd293af88efc14ef.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs 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,-2491 = "Aus Central W. Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2842 = "Saratov Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time" c2ac6602b80a8faf3b2dacf3a9d1fb73f81a72d079944234cd293af88efc14ef.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" c2ac6602b80a8faf3b2dacf3a9d1fb73f81a72d079944234cd293af88efc14ef.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\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\2a\52C64B7E\@tzres.dll,-271 = "Greenwich Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time" c2ac6602b80a8faf3b2dacf3a9d1fb73f81a72d079944234cd293af88efc14ef.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" c2ac6602b80a8faf3b2dacf3a9d1fb73f81a72d079944234cd293af88efc14ef.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time" c2ac6602b80a8faf3b2dacf3a9d1fb73f81a72d079944234cd293af88efc14ef.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2771 = "Omsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-592 = "Malay Peninsula Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time" c2ac6602b80a8faf3b2dacf3a9d1fb73f81a72d079944234cd293af88efc14ef.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2572 = "Turks and Caicos Standard Time" c2ac6602b80a8faf3b2dacf3a9d1fb73f81a72d079944234cd293af88efc14ef.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time" c2ac6602b80a8faf3b2dacf3a9d1fb73f81a72d079944234cd293af88efc14ef.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3141 = "South Sudan Daylight Time" c2ac6602b80a8faf3b2dacf3a9d1fb73f81a72d079944234cd293af88efc14ef.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exec2ac6602b80a8faf3b2dacf3a9d1fb73f81a72d079944234cd293af88efc14ef.exepowershell.exec2ac6602b80a8faf3b2dacf3a9d1fb73f81a72d079944234cd293af88efc14ef.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 4900 powershell.exe 4900 powershell.exe 2476 c2ac6602b80a8faf3b2dacf3a9d1fb73f81a72d079944234cd293af88efc14ef.exe 2476 c2ac6602b80a8faf3b2dacf3a9d1fb73f81a72d079944234cd293af88efc14ef.exe 2000 powershell.exe 2000 powershell.exe 3396 c2ac6602b80a8faf3b2dacf3a9d1fb73f81a72d079944234cd293af88efc14ef.exe 3396 c2ac6602b80a8faf3b2dacf3a9d1fb73f81a72d079944234cd293af88efc14ef.exe 3396 c2ac6602b80a8faf3b2dacf3a9d1fb73f81a72d079944234cd293af88efc14ef.exe 3396 c2ac6602b80a8faf3b2dacf3a9d1fb73f81a72d079944234cd293af88efc14ef.exe 3396 c2ac6602b80a8faf3b2dacf3a9d1fb73f81a72d079944234cd293af88efc14ef.exe 3396 c2ac6602b80a8faf3b2dacf3a9d1fb73f81a72d079944234cd293af88efc14ef.exe 3396 c2ac6602b80a8faf3b2dacf3a9d1fb73f81a72d079944234cd293af88efc14ef.exe 3396 c2ac6602b80a8faf3b2dacf3a9d1fb73f81a72d079944234cd293af88efc14ef.exe 3396 c2ac6602b80a8faf3b2dacf3a9d1fb73f81a72d079944234cd293af88efc14ef.exe 3396 c2ac6602b80a8faf3b2dacf3a9d1fb73f81a72d079944234cd293af88efc14ef.exe 4772 powershell.exe 4772 powershell.exe 4308 powershell.exe 4308 powershell.exe 4960 powershell.exe 4960 powershell.exe 2136 powershell.exe 2136 powershell.exe 3676 powershell.exe 3676 powershell.exe 4124 injector.exe 4124 injector.exe 4124 injector.exe 4124 injector.exe 4124 injector.exe 4124 injector.exe 2956 csrss.exe 2956 csrss.exe 4124 injector.exe 4124 injector.exe 4124 injector.exe 4124 injector.exe 4124 injector.exe 4124 injector.exe 2956 csrss.exe 2956 csrss.exe 4124 injector.exe 4124 injector.exe 4124 injector.exe 4124 injector.exe 2956 csrss.exe 2956 csrss.exe 4124 injector.exe 4124 injector.exe 4124 injector.exe 4124 injector.exe 4124 injector.exe 4124 injector.exe 4124 injector.exe 4124 injector.exe 4124 injector.exe 4124 injector.exe 4124 injector.exe 4124 injector.exe 4124 injector.exe 4124 injector.exe 4124 injector.exe 4124 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exec2ac6602b80a8faf3b2dacf3a9d1fb73f81a72d079944234cd293af88efc14ef.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 4900 powershell.exe Token: SeDebugPrivilege 2476 c2ac6602b80a8faf3b2dacf3a9d1fb73f81a72d079944234cd293af88efc14ef.exe Token: SeImpersonatePrivilege 2476 c2ac6602b80a8faf3b2dacf3a9d1fb73f81a72d079944234cd293af88efc14ef.exe Token: SeDebugPrivilege 2000 powershell.exe Token: SeDebugPrivilege 4772 powershell.exe Token: SeDebugPrivilege 4308 powershell.exe Token: SeDebugPrivilege 4960 powershell.exe Token: SeDebugPrivilege 2136 powershell.exe Token: SeDebugPrivilege 3676 powershell.exe Token: SeSystemEnvironmentPrivilege 2956 csrss.exe Token: SeSecurityPrivilege 4316 sc.exe Token: SeSecurityPrivilege 4316 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
c2ac6602b80a8faf3b2dacf3a9d1fb73f81a72d079944234cd293af88efc14ef.exec2ac6602b80a8faf3b2dacf3a9d1fb73f81a72d079944234cd293af88efc14ef.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 2476 wrote to memory of 4900 2476 c2ac6602b80a8faf3b2dacf3a9d1fb73f81a72d079944234cd293af88efc14ef.exe 87 PID 2476 wrote to memory of 4900 2476 c2ac6602b80a8faf3b2dacf3a9d1fb73f81a72d079944234cd293af88efc14ef.exe 87 PID 2476 wrote to memory of 4900 2476 c2ac6602b80a8faf3b2dacf3a9d1fb73f81a72d079944234cd293af88efc14ef.exe 87 PID 3396 wrote to memory of 2000 3396 c2ac6602b80a8faf3b2dacf3a9d1fb73f81a72d079944234cd293af88efc14ef.exe 99 PID 3396 wrote to memory of 2000 3396 c2ac6602b80a8faf3b2dacf3a9d1fb73f81a72d079944234cd293af88efc14ef.exe 99 PID 3396 wrote to memory of 2000 3396 c2ac6602b80a8faf3b2dacf3a9d1fb73f81a72d079944234cd293af88efc14ef.exe 99 PID 3396 wrote to memory of 4348 3396 c2ac6602b80a8faf3b2dacf3a9d1fb73f81a72d079944234cd293af88efc14ef.exe 101 PID 3396 wrote to memory of 4348 3396 c2ac6602b80a8faf3b2dacf3a9d1fb73f81a72d079944234cd293af88efc14ef.exe 101 PID 4348 wrote to memory of 3924 4348 cmd.exe 103 PID 4348 wrote to memory of 3924 4348 cmd.exe 103 PID 3396 wrote to memory of 4772 3396 c2ac6602b80a8faf3b2dacf3a9d1fb73f81a72d079944234cd293af88efc14ef.exe 104 PID 3396 wrote to memory of 4772 3396 c2ac6602b80a8faf3b2dacf3a9d1fb73f81a72d079944234cd293af88efc14ef.exe 104 PID 3396 wrote to memory of 4772 3396 c2ac6602b80a8faf3b2dacf3a9d1fb73f81a72d079944234cd293af88efc14ef.exe 104 PID 3396 wrote to memory of 4308 3396 c2ac6602b80a8faf3b2dacf3a9d1fb73f81a72d079944234cd293af88efc14ef.exe 106 PID 3396 wrote to memory of 4308 3396 c2ac6602b80a8faf3b2dacf3a9d1fb73f81a72d079944234cd293af88efc14ef.exe 106 PID 3396 wrote to memory of 4308 3396 c2ac6602b80a8faf3b2dacf3a9d1fb73f81a72d079944234cd293af88efc14ef.exe 106 PID 3396 wrote to memory of 2956 3396 c2ac6602b80a8faf3b2dacf3a9d1fb73f81a72d079944234cd293af88efc14ef.exe 108 PID 3396 wrote to memory of 2956 3396 c2ac6602b80a8faf3b2dacf3a9d1fb73f81a72d079944234cd293af88efc14ef.exe 108 PID 3396 wrote to memory of 2956 3396 c2ac6602b80a8faf3b2dacf3a9d1fb73f81a72d079944234cd293af88efc14ef.exe 108 PID 2956 wrote to memory of 4960 2956 csrss.exe 109 PID 2956 wrote to memory of 4960 2956 csrss.exe 109 PID 2956 wrote to memory of 4960 2956 csrss.exe 109 PID 2956 wrote to memory of 2136 2956 csrss.exe 115 PID 2956 wrote to memory of 2136 2956 csrss.exe 115 PID 2956 wrote to memory of 2136 2956 csrss.exe 115 PID 2956 wrote to memory of 3676 2956 csrss.exe 117 PID 2956 wrote to memory of 3676 2956 csrss.exe 117 PID 2956 wrote to memory of 3676 2956 csrss.exe 117 PID 2956 wrote to memory of 4124 2956 csrss.exe 119 PID 2956 wrote to memory of 4124 2956 csrss.exe 119 PID 4108 wrote to memory of 3472 4108 windefender.exe 126 PID 4108 wrote to memory of 3472 4108 windefender.exe 126 PID 4108 wrote to memory of 3472 4108 windefender.exe 126 PID 3472 wrote to memory of 4316 3472 cmd.exe 127 PID 3472 wrote to memory of 4316 3472 cmd.exe 127 PID 3472 wrote to memory of 4316 3472 cmd.exe 127 -
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\c2ac6602b80a8faf3b2dacf3a9d1fb73f81a72d079944234cd293af88efc14ef.exe"C:\Users\Admin\AppData\Local\Temp\c2ac6602b80a8faf3b2dacf3a9d1fb73f81a72d079944234cd293af88efc14ef.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2476 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4900
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C:\Users\Admin\AppData\Local\Temp\c2ac6602b80a8faf3b2dacf3a9d1fb73f81a72d079944234cd293af88efc14ef.exe"C:\Users\Admin\AppData\Local\Temp\c2ac6602b80a8faf3b2dacf3a9d1fb73f81a72d079944234cd293af88efc14ef.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:3396 -
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:2000
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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:4348 -
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:3924
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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:4772
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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:4308
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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:2956 -
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: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:1732
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1916
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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:2136
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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:3676
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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: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:4984
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4108 -
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:3472 -
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:4316
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4580
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
MD5e399b04431901cc9f510eb4927fa8ddf
SHA120355a40acbee7c51679bdd3ed15c56ae96b6efc
SHA256cf8a9caf94051989206511c72d5aa04f90bd59ff0a120506744928c666ac1cab
SHA51220b1c34e1a576c76668da10d7a205f69ff987873ec6a5a36c305a2667035fe06de333226082882139d19e8eb8afc2efea0d7968af53b54cb03bed0619291afdc
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57b6690e6689c5fe6c8482711b65ccb79
SHA14d9fc7e85e319a28751d24dfcbae51f6109a8310
SHA25652dd0508f12ee541f3529cde1091935e450fd1a73f1c16929f7d1cb707767ac3
SHA5120d95b04fd6532918bfc347bcfcb2024cd9303c2d133a0d3499fbdbc95a47e2dbf9d18f87fc0540ce7b2788fa703d59d4bd8d8a4d9ed398288bc3863b9343b6aa
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b4574a0fb1754fe2b0fe91479dc4edd8
SHA1579b4076a0f557be9b72942a28d7423a112455ee
SHA25654cba8c7e415a083f9afeaf582c1d734dafa06c75b86b6a9a5b6ec773c78e7bb
SHA512f9496b1038b66891fefe19cd2c79d2800b9fc8105b5ed3b3f6c3185615c9e511facb9774b2fbc5cdd8f647af143553e3a587dd9f9590e2b9c1632207f8a972c2
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50fb661ff27a5244e4430ac5b43f3bb27
SHA1d25fb5b2dbfa35966a86ce0f70242ad2e58f0f13
SHA256ffd487e060108498448ec1d1b827eca7d9bfef74d1c8bb3b7598f1038b647746
SHA5128b17b8593557e9464a37a5f5c358830af0370bf0e84317f793a956227bd178e10088acad022f9d6dce755808fdc43b643c7f6d6a181d7173c1563c1c496bc567
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59a36cbb850c0d2a8520df14278048e3c
SHA1e98499c3a91cadcf54e04a66d3635696d7adf6ac
SHA2561d6e9b2eb922de3e41679a6a9f806f3e7920070e56b1f764e659723ae8d99bd4
SHA512ad13ebf1ae8690042ba467b82a742d390ddfc718a2f3d39d4b34edd84ba97045e54e78652ad64bef643a555e37d4563711e9467f34c61366618fc73eccf2c841
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Filesize
4.1MB
MD5ff517167739e9a3c22813702ea067be5
SHA1db22cfd1119e1be0366774ea74b35e07644bffbc
SHA256c2ac6602b80a8faf3b2dacf3a9d1fb73f81a72d079944234cd293af88efc14ef
SHA5128b891d1c798643fa7b89e139af4ff97a3ee8b554a6f9b8a54a99ebe9d7638b1ee9465a4d760904b3a2e30aa38cb49b242e02bca7f5e8036c752296518b106ecd
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec