Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
16-05-2024 09:45
Static task
static1
Behavioral task
behavioral1
Sample
44439a046d976e4118c81ec55701459b1da5e34d91f01de30cc993b61a6e2e24.exe
Resource
win10v2004-20240426-en
General
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Target
44439a046d976e4118c81ec55701459b1da5e34d91f01de30cc993b61a6e2e24.exe
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Size
4.1MB
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MD5
0daf5e326061c070849efb41ec2479f6
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SHA1
d047abb419a0b0751f5f9776581e2eccf2203c00
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SHA256
44439a046d976e4118c81ec55701459b1da5e34d91f01de30cc993b61a6e2e24
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SHA512
bfb0213969194c4f87ea602d9a7cf9a84e49e72c735a52803cc447c5850ebd1ef5421535577fad7fa47277d32d93408f8979626a4d71a18b1df3844d56537521
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SSDEEP
98304:9H49zrfgobu9aDMWAg4dPDb/NQHvakIF/A8L3rqLZk5t2qZ3qL2LAZ5J:Ur7OagDbOPW/F2k5tRZaLrn
Malware Config
Signatures
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Glupteba payload 18 IoCs
Processes:
resource yara_rule behavioral1/memory/4688-2-0x0000000002D30000-0x000000000361B000-memory.dmp family_glupteba behavioral1/memory/4688-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4688-83-0x0000000002D30000-0x000000000361B000-memory.dmp family_glupteba behavioral1/memory/4688-128-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/5768-181-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2892-214-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2892-227-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2892-230-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2892-235-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2892-239-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2892-243-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2892-246-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2892-251-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2892-255-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2892-259-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2892-262-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2892-267-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2892-271-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 4972 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 2892 csrss.exe 5624 injector.exe 976 windefender.exe 1852 windefender.exe -
Processes:
resource yara_rule behavioral1/files/0x0007000000023425-220.dat upx behavioral1/memory/976-222-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1852-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/976-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1852-231-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1852-238-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
44439a046d976e4118c81ec55701459b1da5e34d91f01de30cc993b61a6e2e24.execsrss.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 44439a046d976e4118c81ec55701459b1da5e34d91f01de30cc993b61a6e2e24.exe Set value (str) \REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 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.
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 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 File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log 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:
44439a046d976e4118c81ec55701459b1da5e34d91f01de30cc993b61a6e2e24.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN 44439a046d976e4118c81ec55701459b1da5e34d91f01de30cc993b61a6e2e24.exe -
Drops file in Windows directory 4 IoCs
Processes:
44439a046d976e4118c81ec55701459b1da5e34d91f01de30cc993b61a6e2e24.execsrss.exedescription ioc Process File opened for modification C:\Windows\rss 44439a046d976e4118c81ec55701459b1da5e34d91f01de30cc993b61a6e2e24.exe File created C:\Windows\rss\csrss.exe 44439a046d976e4118c81ec55701459b1da5e34d91f01de30cc993b61a6e2e24.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 3000 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 6112 powershell.exe 3872 powershell.exe 1824 powershell.exe 5356 powershell.exe 5088 powershell.exe 5752 powershell.exe 3440 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 3976 schtasks.exe 4752 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
windefender.exe44439a046d976e4118c81ec55701459b1da5e34d91f01de30cc993b61a6e2e24.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2002 = "Cabo Verde Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time" 44439a046d976e4118c81ec55701459b1da5e34d91f01de30cc993b61a6e2e24.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time" 44439a046d976e4118c81ec55701459b1da5e34d91f01de30cc993b61a6e2e24.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time" 44439a046d976e4118c81ec55701459b1da5e34d91f01de30cc993b61a6e2e24.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-335 = "Jordan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1892 = "Russia TZ 3 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-751 = "Tonga Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" 44439a046d976e4118c81ec55701459b1da5e34d91f01de30cc993b61a6e2e24.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time" 44439a046d976e4118c81ec55701459b1da5e34d91f01de30cc993b61a6e2e24.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-961 = "Paraguay Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-301 = "Romance Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time" 44439a046d976e4118c81ec55701459b1da5e34d91f01de30cc993b61a6e2e24.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-142 = "Canada Central Standard Time" windefender.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\@tzres.dll,-382 = "South Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time" 44439a046d976e4118c81ec55701459b1da5e34d91f01de30cc993b61a6e2e24.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\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,-282 = "Central Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-261 = "GMT Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time" 44439a046d976e4118c81ec55701459b1da5e34d91f01de30cc993b61a6e2e24.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time" 44439a046d976e4118c81ec55701459b1da5e34d91f01de30cc993b61a6e2e24.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-722 = "Central Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" 44439a046d976e4118c81ec55701459b1da5e34d91f01de30cc993b61a6e2e24.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time" 44439a046d976e4118c81ec55701459b1da5e34d91f01de30cc993b61a6e2e24.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" 44439a046d976e4118c81ec55701459b1da5e34d91f01de30cc993b61a6e2e24.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1862 = "Russia TZ 6 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" 44439a046d976e4118c81ec55701459b1da5e34d91f01de30cc993b61a6e2e24.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" 44439a046d976e4118c81ec55701459b1da5e34d91f01de30cc993b61a6e2e24.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\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" 44439a046d976e4118c81ec55701459b1da5e34d91f01de30cc993b61a6e2e24.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" 44439a046d976e4118c81ec55701459b1da5e34d91f01de30cc993b61a6e2e24.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs 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\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" 44439a046d976e4118c81ec55701459b1da5e34d91f01de30cc993b61a6e2e24.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" 44439a046d976e4118c81ec55701459b1da5e34d91f01de30cc993b61a6e2e24.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" 44439a046d976e4118c81ec55701459b1da5e34d91f01de30cc993b61a6e2e24.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2322 = "Sakhalin Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2942 = "Sao Tome Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1411 = "Syria Daylight Time" windefender.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" 44439a046d976e4118c81ec55701459b1da5e34d91f01de30cc993b61a6e2e24.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time" 44439a046d976e4118c81ec55701459b1da5e34d91f01de30cc993b61a6e2e24.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA 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,-2341 = "Haiti Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe44439a046d976e4118c81ec55701459b1da5e34d91f01de30cc993b61a6e2e24.exepowershell.exe44439a046d976e4118c81ec55701459b1da5e34d91f01de30cc993b61a6e2e24.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 5356 powershell.exe 5356 powershell.exe 4688 44439a046d976e4118c81ec55701459b1da5e34d91f01de30cc993b61a6e2e24.exe 4688 44439a046d976e4118c81ec55701459b1da5e34d91f01de30cc993b61a6e2e24.exe 5088 powershell.exe 5088 powershell.exe 5768 44439a046d976e4118c81ec55701459b1da5e34d91f01de30cc993b61a6e2e24.exe 5768 44439a046d976e4118c81ec55701459b1da5e34d91f01de30cc993b61a6e2e24.exe 5768 44439a046d976e4118c81ec55701459b1da5e34d91f01de30cc993b61a6e2e24.exe 5768 44439a046d976e4118c81ec55701459b1da5e34d91f01de30cc993b61a6e2e24.exe 5768 44439a046d976e4118c81ec55701459b1da5e34d91f01de30cc993b61a6e2e24.exe 5768 44439a046d976e4118c81ec55701459b1da5e34d91f01de30cc993b61a6e2e24.exe 5768 44439a046d976e4118c81ec55701459b1da5e34d91f01de30cc993b61a6e2e24.exe 5768 44439a046d976e4118c81ec55701459b1da5e34d91f01de30cc993b61a6e2e24.exe 5768 44439a046d976e4118c81ec55701459b1da5e34d91f01de30cc993b61a6e2e24.exe 5768 44439a046d976e4118c81ec55701459b1da5e34d91f01de30cc993b61a6e2e24.exe 5752 powershell.exe 5752 powershell.exe 3440 powershell.exe 3440 powershell.exe 6112 powershell.exe 6112 powershell.exe 3872 powershell.exe 3872 powershell.exe 1824 powershell.exe 1824 powershell.exe 5624 injector.exe 5624 injector.exe 5624 injector.exe 5624 injector.exe 5624 injector.exe 5624 injector.exe 2892 csrss.exe 2892 csrss.exe 5624 injector.exe 5624 injector.exe 5624 injector.exe 5624 injector.exe 5624 injector.exe 5624 injector.exe 2892 csrss.exe 2892 csrss.exe 5624 injector.exe 5624 injector.exe 5624 injector.exe 5624 injector.exe 2892 csrss.exe 2892 csrss.exe 5624 injector.exe 5624 injector.exe 5624 injector.exe 5624 injector.exe 5624 injector.exe 5624 injector.exe 5624 injector.exe 5624 injector.exe 5624 injector.exe 5624 injector.exe 5624 injector.exe 5624 injector.exe 5624 injector.exe 5624 injector.exe 5624 injector.exe 5624 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe44439a046d976e4118c81ec55701459b1da5e34d91f01de30cc993b61a6e2e24.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 5356 powershell.exe Token: SeDebugPrivilege 4688 44439a046d976e4118c81ec55701459b1da5e34d91f01de30cc993b61a6e2e24.exe Token: SeImpersonatePrivilege 4688 44439a046d976e4118c81ec55701459b1da5e34d91f01de30cc993b61a6e2e24.exe Token: SeDebugPrivilege 5088 powershell.exe Token: SeDebugPrivilege 5752 powershell.exe Token: SeDebugPrivilege 3440 powershell.exe Token: SeDebugPrivilege 6112 powershell.exe Token: SeDebugPrivilege 3872 powershell.exe Token: SeDebugPrivilege 1824 powershell.exe Token: SeSystemEnvironmentPrivilege 2892 csrss.exe Token: SeSecurityPrivilege 3000 sc.exe Token: SeSecurityPrivilege 3000 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
44439a046d976e4118c81ec55701459b1da5e34d91f01de30cc993b61a6e2e24.exe44439a046d976e4118c81ec55701459b1da5e34d91f01de30cc993b61a6e2e24.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 4688 wrote to memory of 5356 4688 44439a046d976e4118c81ec55701459b1da5e34d91f01de30cc993b61a6e2e24.exe 86 PID 4688 wrote to memory of 5356 4688 44439a046d976e4118c81ec55701459b1da5e34d91f01de30cc993b61a6e2e24.exe 86 PID 4688 wrote to memory of 5356 4688 44439a046d976e4118c81ec55701459b1da5e34d91f01de30cc993b61a6e2e24.exe 86 PID 5768 wrote to memory of 5088 5768 44439a046d976e4118c81ec55701459b1da5e34d91f01de30cc993b61a6e2e24.exe 96 PID 5768 wrote to memory of 5088 5768 44439a046d976e4118c81ec55701459b1da5e34d91f01de30cc993b61a6e2e24.exe 96 PID 5768 wrote to memory of 5088 5768 44439a046d976e4118c81ec55701459b1da5e34d91f01de30cc993b61a6e2e24.exe 96 PID 5768 wrote to memory of 3508 5768 44439a046d976e4118c81ec55701459b1da5e34d91f01de30cc993b61a6e2e24.exe 100 PID 5768 wrote to memory of 3508 5768 44439a046d976e4118c81ec55701459b1da5e34d91f01de30cc993b61a6e2e24.exe 100 PID 3508 wrote to memory of 4972 3508 cmd.exe 102 PID 3508 wrote to memory of 4972 3508 cmd.exe 102 PID 5768 wrote to memory of 5752 5768 44439a046d976e4118c81ec55701459b1da5e34d91f01de30cc993b61a6e2e24.exe 103 PID 5768 wrote to memory of 5752 5768 44439a046d976e4118c81ec55701459b1da5e34d91f01de30cc993b61a6e2e24.exe 103 PID 5768 wrote to memory of 5752 5768 44439a046d976e4118c81ec55701459b1da5e34d91f01de30cc993b61a6e2e24.exe 103 PID 5768 wrote to memory of 3440 5768 44439a046d976e4118c81ec55701459b1da5e34d91f01de30cc993b61a6e2e24.exe 105 PID 5768 wrote to memory of 3440 5768 44439a046d976e4118c81ec55701459b1da5e34d91f01de30cc993b61a6e2e24.exe 105 PID 5768 wrote to memory of 3440 5768 44439a046d976e4118c81ec55701459b1da5e34d91f01de30cc993b61a6e2e24.exe 105 PID 5768 wrote to memory of 2892 5768 44439a046d976e4118c81ec55701459b1da5e34d91f01de30cc993b61a6e2e24.exe 107 PID 5768 wrote to memory of 2892 5768 44439a046d976e4118c81ec55701459b1da5e34d91f01de30cc993b61a6e2e24.exe 107 PID 5768 wrote to memory of 2892 5768 44439a046d976e4118c81ec55701459b1da5e34d91f01de30cc993b61a6e2e24.exe 107 PID 2892 wrote to memory of 6112 2892 csrss.exe 108 PID 2892 wrote to memory of 6112 2892 csrss.exe 108 PID 2892 wrote to memory of 6112 2892 csrss.exe 108 PID 2892 wrote to memory of 3872 2892 csrss.exe 114 PID 2892 wrote to memory of 3872 2892 csrss.exe 114 PID 2892 wrote to memory of 3872 2892 csrss.exe 114 PID 2892 wrote to memory of 1824 2892 csrss.exe 116 PID 2892 wrote to memory of 1824 2892 csrss.exe 116 PID 2892 wrote to memory of 1824 2892 csrss.exe 116 PID 2892 wrote to memory of 5624 2892 csrss.exe 118 PID 2892 wrote to memory of 5624 2892 csrss.exe 118 PID 976 wrote to memory of 3080 976 windefender.exe 125 PID 976 wrote to memory of 3080 976 windefender.exe 125 PID 976 wrote to memory of 3080 976 windefender.exe 125 PID 3080 wrote to memory of 3000 3080 cmd.exe 126 PID 3080 wrote to memory of 3000 3080 cmd.exe 126 PID 3080 wrote to memory of 3000 3080 cmd.exe 126 -
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\44439a046d976e4118c81ec55701459b1da5e34d91f01de30cc993b61a6e2e24.exe"C:\Users\Admin\AppData\Local\Temp\44439a046d976e4118c81ec55701459b1da5e34d91f01de30cc993b61a6e2e24.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4688 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5356
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C:\Users\Admin\AppData\Local\Temp\44439a046d976e4118c81ec55701459b1da5e34d91f01de30cc993b61a6e2e24.exe"C:\Users\Admin\AppData\Local\Temp\44439a046d976e4118c81ec55701459b1da5e34d91f01de30cc993b61a6e2e24.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:5768 -
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:5088
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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:3508 -
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:4972
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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:5752
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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:3440
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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:2892 -
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:6112
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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:4752
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4116
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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:3872
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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:1824
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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:5624
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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:3976
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:976 -
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:3080 -
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:3000
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1852
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
MD5667f1d540fa3e05d5cc8882e525b4a9a
SHA146c93dc38f83cda98febc540b47258e27e09e528
SHA256ac0633d05094bf40dcdf97c778a96dcfd0a5e3db0a66a51f57a8b33c262d347a
SHA512ba8a6d47f31926eac666316c285cf84802579e59c781093c63ac38eada4e0924ea37b4f26611a6a3eb36d51082ab196f4e02934e57c28789e9751839ca01f919
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5962403d9ad8f477dfba2f8023f88891b
SHA12aad90036337dae0c589911276e38a303b618fc7
SHA2560d2fe44693ff7f869873a968d603bf7467c90fc5a14be6139b839230b684b7ae
SHA512a93e8cf2353f4d12dc4f66e89026b6fd7d8cd83ec077e9285ea13ee37acc39588ee177440c4ff9e05ee005d8fe49f63a9dde4ae757b41fe931d62b7ef422393c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51c2a59bbe379514d2578a40ef65e1c97
SHA16956241d62d128898107950801da18e8a4f11330
SHA256b33a4666a9ec1aa605a061caa09f360a0b1720a88f936ace3c89a80e0781d81b
SHA5122240d92d5f47421aff299c2022d7f1042c63a3b60f2bb795c3cb5bd7d0b56bb6439808b2ba7adfa6f86f477194fc5a043fee20a1c59fff11b48486ba8a2abcdd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD539a0f164788917c3024e7d4c7e89deb5
SHA103b3eab1f489fa6b06630d20f9e43ca7244c3599
SHA256ade61ac6d049b49b211078b31825729dbf79a8ab3abe0a956bc05dff3dbc0936
SHA512845d358c69725acafcdbfb08d8f19213303a90cf6ef3dbc56276f6fc119679a1622b062998e26d2ba7027b377f0fcef273626f7b56dcf19c30b8c464851669cb
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50975f598f02e71d07f4da6ff27edc938
SHA1436c266276e0a0fc76d11ee2d3fe1c2ffd869333
SHA25686f44f65e1b914caeddffa4cbac3450f6cbb62b751fd0775def0852fb7d616a5
SHA512b245bf107cc0f8aca0fa59bfcd667e4adc5a67a46eb7c1cd8fc467ffad0015aa5096f6a0ac8fdd1a9ee7a80fe161f7e68b59d19048e5259c9a586ad5b03afdc0
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Filesize
4.1MB
MD50daf5e326061c070849efb41ec2479f6
SHA1d047abb419a0b0751f5f9776581e2eccf2203c00
SHA25644439a046d976e4118c81ec55701459b1da5e34d91f01de30cc993b61a6e2e24
SHA512bfb0213969194c4f87ea602d9a7cf9a84e49e72c735a52803cc447c5850ebd1ef5421535577fad7fa47277d32d93408f8979626a4d71a18b1df3844d56537521
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec