Analysis
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max time kernel
150s -
max time network
150s -
platform
windows11-21h2_x64 -
resource
win11-20240419-en -
resource tags
arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system -
submitted
17-05-2024 09:49
Static task
static1
Behavioral task
behavioral1
Sample
c0d3e2641c82e6a178dde25b19c6ddf3a1a1aae483148ffa2c6ed79e9ebe6291.exe
Resource
win10v2004-20240426-en
General
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Target
c0d3e2641c82e6a178dde25b19c6ddf3a1a1aae483148ffa2c6ed79e9ebe6291.exe
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Size
4.1MB
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MD5
2fb5277b3409830018dc21c16facfc23
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SHA1
603f86770fb23e095a6b050dfeb951dc65430ec8
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SHA256
c0d3e2641c82e6a178dde25b19c6ddf3a1a1aae483148ffa2c6ed79e9ebe6291
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SHA512
ad62cb3840895eeb0adb55f0963443db54dd1809024dea82515487b9c91c41dbb10d3e64090b35d249356ef547395554ae2991e53a2ca7bb991b62e4e0496312
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SSDEEP
98304:UhY2qRRjR1paGoDMO/b2fpl9vUYBzPUd5cvaqxgKnFtiaw:qYlRLXY4O+pXvrLaqWucp
Malware Config
Signatures
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Glupteba payload 18 IoCs
Processes:
resource yara_rule behavioral2/memory/236-2-0x0000000004D50000-0x000000000563B000-memory.dmp family_glupteba behavioral2/memory/236-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/236-4-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/236-55-0x0000000004D50000-0x000000000563B000-memory.dmp family_glupteba behavioral2/memory/236-53-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/236-56-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3252-67-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3252-124-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3252-132-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3116-180-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3116-210-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3116-221-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3116-225-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3116-229-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3116-233-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3116-237-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3116-241-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3116-245-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 1036 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid process 3116 csrss.exe 4216 injector.exe 3748 windefender.exe 3404 windefender.exe -
Processes:
resource yara_rule C:\Windows\windefender.exe upx behavioral2/memory/3748-215-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3748-217-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3404-218-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3404-222-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3404-231-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
c0d3e2641c82e6a178dde25b19c6ddf3a1a1aae483148ffa2c6ed79e9ebe6291.execsrss.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" c0d3e2641c82e6a178dde25b19c6ddf3a1a1aae483148ffa2c6ed79e9ebe6291.exe Set value (str) \REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000\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 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.
Processes:
c0d3e2641c82e6a178dde25b19c6ddf3a1a1aae483148ffa2c6ed79e9ebe6291.exedescription ioc process File opened (read-only) \??\VBoxMiniRdrDN c0d3e2641c82e6a178dde25b19c6ddf3a1a1aae483148ffa2c6ed79e9ebe6291.exe -
Drops file in Windows directory 4 IoCs
Processes:
c0d3e2641c82e6a178dde25b19c6ddf3a1a1aae483148ffa2c6ed79e9ebe6291.execsrss.exedescription ioc process File opened for modification C:\Windows\rss c0d3e2641c82e6a178dde25b19c6ddf3a1a1aae483148ffa2c6ed79e9ebe6291.exe File created C:\Windows\rss\csrss.exe c0d3e2641c82e6a178dde25b19c6ddf3a1a1aae483148ffa2c6ed79e9ebe6291.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 332 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid process 2992 powershell.exe 2344 powershell.exe 3620 powershell.exe 3128 powershell.exe 760 powershell.exe 3036 powershell.exe 1716 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 2044 schtasks.exe 2352 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
powershell.exepowershell.exewindefender.exec0d3e2641c82e6a178dde25b19c6ddf3a1a1aae483148ffa2c6ed79e9ebe6291.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-732 = "Fiji Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time" c0d3e2641c82e6a178dde25b19c6ddf3a1a1aae483148ffa2c6ed79e9ebe6291.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs 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,-341 = "Egypt Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-672 = "AUS Eastern 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,-112 = "Eastern Standard Time" c0d3e2641c82e6a178dde25b19c6ddf3a1a1aae483148ffa2c6ed79e9ebe6291.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time" c0d3e2641c82e6a178dde25b19c6ddf3a1a1aae483148ffa2c6ed79e9ebe6291.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" c0d3e2641c82e6a178dde25b19c6ddf3a1a1aae483148ffa2c6ed79e9ebe6291.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time" c0d3e2641c82e6a178dde25b19c6ddf3a1a1aae483148ffa2c6ed79e9ebe6291.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" c0d3e2641c82e6a178dde25b19c6ddf3a1a1aae483148ffa2c6ed79e9ebe6291.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" c0d3e2641c82e6a178dde25b19c6ddf3a1a1aae483148ffa2c6ed79e9ebe6291.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-392 = "Arab Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-442 = "Arabian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1842 = "Russia TZ 4 Standard Time" c0d3e2641c82e6a178dde25b19c6ddf3a1a1aae483148ffa2c6ed79e9ebe6291.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time" c0d3e2641c82e6a178dde25b19c6ddf3a1a1aae483148ffa2c6ed79e9ebe6291.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,-92 = "Pacific SA Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1802 = "Line Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2631 = "Norfolk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2451 = "Saint Pierre Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time" c0d3e2641c82e6a178dde25b19c6ddf3a1a1aae483148ffa2c6ed79e9ebe6291.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time" c0d3e2641c82e6a178dde25b19c6ddf3a1a1aae483148ffa2c6ed79e9ebe6291.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2752 = "Tomsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1502 = "Turkey Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-661 = "Cen. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2792 = "Novosibirsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" c0d3e2641c82e6a178dde25b19c6ddf3a1a1aae483148ffa2c6ed79e9ebe6291.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs 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\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,-1801 = "Line Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time" c0d3e2641c82e6a178dde25b19c6ddf3a1a1aae483148ffa2c6ed79e9ebe6291.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" c0d3e2641c82e6a178dde25b19c6ddf3a1a1aae483148ffa2c6ed79e9ebe6291.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-111 = "Eastern Daylight Time" windefender.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,-1932 = "Russia TZ 11 Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-982 = "Kamchatka Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time" c0d3e2641c82e6a178dde25b19c6ddf3a1a1aae483148ffa2c6ed79e9ebe6291.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exec0d3e2641c82e6a178dde25b19c6ddf3a1a1aae483148ffa2c6ed79e9ebe6291.exepowershell.exec0d3e2641c82e6a178dde25b19c6ddf3a1a1aae483148ffa2c6ed79e9ebe6291.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid process 2992 powershell.exe 2992 powershell.exe 236 c0d3e2641c82e6a178dde25b19c6ddf3a1a1aae483148ffa2c6ed79e9ebe6291.exe 236 c0d3e2641c82e6a178dde25b19c6ddf3a1a1aae483148ffa2c6ed79e9ebe6291.exe 2344 powershell.exe 2344 powershell.exe 3252 c0d3e2641c82e6a178dde25b19c6ddf3a1a1aae483148ffa2c6ed79e9ebe6291.exe 3252 c0d3e2641c82e6a178dde25b19c6ddf3a1a1aae483148ffa2c6ed79e9ebe6291.exe 3252 c0d3e2641c82e6a178dde25b19c6ddf3a1a1aae483148ffa2c6ed79e9ebe6291.exe 3252 c0d3e2641c82e6a178dde25b19c6ddf3a1a1aae483148ffa2c6ed79e9ebe6291.exe 3252 c0d3e2641c82e6a178dde25b19c6ddf3a1a1aae483148ffa2c6ed79e9ebe6291.exe 3252 c0d3e2641c82e6a178dde25b19c6ddf3a1a1aae483148ffa2c6ed79e9ebe6291.exe 3252 c0d3e2641c82e6a178dde25b19c6ddf3a1a1aae483148ffa2c6ed79e9ebe6291.exe 3252 c0d3e2641c82e6a178dde25b19c6ddf3a1a1aae483148ffa2c6ed79e9ebe6291.exe 3252 c0d3e2641c82e6a178dde25b19c6ddf3a1a1aae483148ffa2c6ed79e9ebe6291.exe 3252 c0d3e2641c82e6a178dde25b19c6ddf3a1a1aae483148ffa2c6ed79e9ebe6291.exe 3620 powershell.exe 3620 powershell.exe 3128 powershell.exe 3128 powershell.exe 760 powershell.exe 760 powershell.exe 3036 powershell.exe 3036 powershell.exe 1716 powershell.exe 1716 powershell.exe 4216 injector.exe 4216 injector.exe 4216 injector.exe 4216 injector.exe 4216 injector.exe 4216 injector.exe 3116 csrss.exe 3116 csrss.exe 4216 injector.exe 4216 injector.exe 4216 injector.exe 4216 injector.exe 4216 injector.exe 4216 injector.exe 3116 csrss.exe 3116 csrss.exe 4216 injector.exe 4216 injector.exe 4216 injector.exe 4216 injector.exe 4216 injector.exe 4216 injector.exe 3116 csrss.exe 3116 csrss.exe 4216 injector.exe 4216 injector.exe 4216 injector.exe 4216 injector.exe 4216 injector.exe 4216 injector.exe 4216 injector.exe 4216 injector.exe 4216 injector.exe 4216 injector.exe 4216 injector.exe 4216 injector.exe 4216 injector.exe 4216 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exec0d3e2641c82e6a178dde25b19c6ddf3a1a1aae483148ffa2c6ed79e9ebe6291.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid process Token: SeDebugPrivilege 2992 powershell.exe Token: SeDebugPrivilege 236 c0d3e2641c82e6a178dde25b19c6ddf3a1a1aae483148ffa2c6ed79e9ebe6291.exe Token: SeImpersonatePrivilege 236 c0d3e2641c82e6a178dde25b19c6ddf3a1a1aae483148ffa2c6ed79e9ebe6291.exe Token: SeDebugPrivilege 2344 powershell.exe Token: SeDebugPrivilege 3620 powershell.exe Token: SeDebugPrivilege 3128 powershell.exe Token: SeDebugPrivilege 760 powershell.exe Token: SeDebugPrivilege 3036 powershell.exe Token: SeDebugPrivilege 1716 powershell.exe Token: SeSystemEnvironmentPrivilege 3116 csrss.exe Token: SeSecurityPrivilege 332 sc.exe Token: SeSecurityPrivilege 332 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
c0d3e2641c82e6a178dde25b19c6ddf3a1a1aae483148ffa2c6ed79e9ebe6291.exec0d3e2641c82e6a178dde25b19c6ddf3a1a1aae483148ffa2c6ed79e9ebe6291.execmd.execsrss.exewindefender.execmd.exedescription pid process target process PID 236 wrote to memory of 2992 236 c0d3e2641c82e6a178dde25b19c6ddf3a1a1aae483148ffa2c6ed79e9ebe6291.exe powershell.exe PID 236 wrote to memory of 2992 236 c0d3e2641c82e6a178dde25b19c6ddf3a1a1aae483148ffa2c6ed79e9ebe6291.exe powershell.exe PID 236 wrote to memory of 2992 236 c0d3e2641c82e6a178dde25b19c6ddf3a1a1aae483148ffa2c6ed79e9ebe6291.exe powershell.exe PID 3252 wrote to memory of 2344 3252 c0d3e2641c82e6a178dde25b19c6ddf3a1a1aae483148ffa2c6ed79e9ebe6291.exe powershell.exe PID 3252 wrote to memory of 2344 3252 c0d3e2641c82e6a178dde25b19c6ddf3a1a1aae483148ffa2c6ed79e9ebe6291.exe powershell.exe PID 3252 wrote to memory of 2344 3252 c0d3e2641c82e6a178dde25b19c6ddf3a1a1aae483148ffa2c6ed79e9ebe6291.exe powershell.exe PID 3252 wrote to memory of 3696 3252 c0d3e2641c82e6a178dde25b19c6ddf3a1a1aae483148ffa2c6ed79e9ebe6291.exe cmd.exe PID 3252 wrote to memory of 3696 3252 c0d3e2641c82e6a178dde25b19c6ddf3a1a1aae483148ffa2c6ed79e9ebe6291.exe cmd.exe PID 3696 wrote to memory of 1036 3696 cmd.exe netsh.exe PID 3696 wrote to memory of 1036 3696 cmd.exe netsh.exe PID 3252 wrote to memory of 3620 3252 c0d3e2641c82e6a178dde25b19c6ddf3a1a1aae483148ffa2c6ed79e9ebe6291.exe powershell.exe PID 3252 wrote to memory of 3620 3252 c0d3e2641c82e6a178dde25b19c6ddf3a1a1aae483148ffa2c6ed79e9ebe6291.exe powershell.exe PID 3252 wrote to memory of 3620 3252 c0d3e2641c82e6a178dde25b19c6ddf3a1a1aae483148ffa2c6ed79e9ebe6291.exe powershell.exe PID 3252 wrote to memory of 3128 3252 c0d3e2641c82e6a178dde25b19c6ddf3a1a1aae483148ffa2c6ed79e9ebe6291.exe powershell.exe PID 3252 wrote to memory of 3128 3252 c0d3e2641c82e6a178dde25b19c6ddf3a1a1aae483148ffa2c6ed79e9ebe6291.exe powershell.exe PID 3252 wrote to memory of 3128 3252 c0d3e2641c82e6a178dde25b19c6ddf3a1a1aae483148ffa2c6ed79e9ebe6291.exe powershell.exe PID 3252 wrote to memory of 3116 3252 c0d3e2641c82e6a178dde25b19c6ddf3a1a1aae483148ffa2c6ed79e9ebe6291.exe csrss.exe PID 3252 wrote to memory of 3116 3252 c0d3e2641c82e6a178dde25b19c6ddf3a1a1aae483148ffa2c6ed79e9ebe6291.exe csrss.exe PID 3252 wrote to memory of 3116 3252 c0d3e2641c82e6a178dde25b19c6ddf3a1a1aae483148ffa2c6ed79e9ebe6291.exe csrss.exe PID 3116 wrote to memory of 760 3116 csrss.exe powershell.exe PID 3116 wrote to memory of 760 3116 csrss.exe powershell.exe PID 3116 wrote to memory of 760 3116 csrss.exe powershell.exe PID 3116 wrote to memory of 3036 3116 csrss.exe powershell.exe PID 3116 wrote to memory of 3036 3116 csrss.exe powershell.exe PID 3116 wrote to memory of 3036 3116 csrss.exe powershell.exe PID 3116 wrote to memory of 1716 3116 csrss.exe powershell.exe PID 3116 wrote to memory of 1716 3116 csrss.exe powershell.exe PID 3116 wrote to memory of 1716 3116 csrss.exe powershell.exe PID 3116 wrote to memory of 4216 3116 csrss.exe injector.exe PID 3116 wrote to memory of 4216 3116 csrss.exe injector.exe PID 3748 wrote to memory of 2220 3748 windefender.exe cmd.exe PID 3748 wrote to memory of 2220 3748 windefender.exe cmd.exe PID 3748 wrote to memory of 2220 3748 windefender.exe cmd.exe PID 2220 wrote to memory of 332 2220 cmd.exe sc.exe PID 2220 wrote to memory of 332 2220 cmd.exe sc.exe PID 2220 wrote to memory of 332 2220 cmd.exe sc.exe -
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\c0d3e2641c82e6a178dde25b19c6ddf3a1a1aae483148ffa2c6ed79e9ebe6291.exe"C:\Users\Admin\AppData\Local\Temp\c0d3e2641c82e6a178dde25b19c6ddf3a1a1aae483148ffa2c6ed79e9ebe6291.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:236 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2992 -
C:\Users\Admin\AppData\Local\Temp\c0d3e2641c82e6a178dde25b19c6ddf3a1a1aae483148ffa2c6ed79e9ebe6291.exe"C:\Users\Admin\AppData\Local\Temp\c0d3e2641c82e6a178dde25b19c6ddf3a1a1aae483148ffa2c6ed79e9ebe6291.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:3252 -
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:2344 -
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:3696 -
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:1036 -
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:3620 -
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:3128 -
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:3116 -
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:760 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:2044 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4500
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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:3036 -
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:1716 -
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:4216 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:2352 -
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3748 -
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:2220 -
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:332
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3404
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
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c2d20aee8af1f692f1e113f9ba6a6669
SHA11d9216c17e7cdeaabdbdcc3dcf5beaca264e3afb
SHA2566158372007c6ece06c066d3d35485a6b42caaa1edfb3a2a8c5c514ef6b318168
SHA5124f5bc60c6af0677d19cac0938df657a2239552dccbd8b4f9111f866c7cdd998a26398cda384500759582aecde648f9bb863488c8a80deafa1f722a5cb9beaa19
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD504f7c986feeab11df88085b0e69a203e
SHA1dd4def36ecf2a38f569af89b610866035158f02b
SHA25618e61820b228e587f24a9ffb2677c425a960d67454305433d13af055971eee8c
SHA512a5e78c4ef527ea5ac7de5151a2b79564b6090528f7726c12876a51110981a048e2475703dd9773bdaa2f8d71e8e13c0f0b348ec135e1d8fbd52bcf91b68cb0c1
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD537768e1cb55e0bdeae8edb1a731d0e23
SHA1349d59460a11382881217fda9b821cce56669ef5
SHA2562ddc166e5a6de591d8cd89eb6fa76b8d7129de1d9d743ba8cf74baa89ab39a66
SHA51237da9ae53237564aaf0be528ac61f8181fb471ec1325a19c13d7ffbf461e23f79ea8884495f7545e1186a0a7eefb22d90a7f80543057df14a94ac8d98bd9e5d8
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5aee7d049c17d40b2bdf86a18976b1fbb
SHA1863765ac4b82714b5409a0c13a3877f951129ec0
SHA256e350e38414fef411a6064ca822acc98a841e80d6de4b028dc2221f9e2c71979b
SHA512adc793a729e318729ebbed3bc8e5baa3b21d857fe67c727e26fa0744108f87d3f8e013eeb8828aab2d6445e1f5788bd1ae6274c585c4b01c70bad27c8b0548d2
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57aacca4b4f45bbbd09cd92b4ac05633c
SHA1654de9862bf51f41a10aa03ac5c8f14ec0f68b8d
SHA256cddd054de56995e1b0d1fbf178c3e3cbec65daadb3203751093ac3aa59b7e8e7
SHA51214df6b068d5a21bb879600d227314d9358a64038121222a92c99ce2e9432460286634fc1d2ea45640c4bdf9776e337fb562b2956ca2406d3e4c788ca92dee5fa
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Filesize
4.1MB
MD52fb5277b3409830018dc21c16facfc23
SHA1603f86770fb23e095a6b050dfeb951dc65430ec8
SHA256c0d3e2641c82e6a178dde25b19c6ddf3a1a1aae483148ffa2c6ed79e9ebe6291
SHA512ad62cb3840895eeb0adb55f0963443db54dd1809024dea82515487b9c91c41dbb10d3e64090b35d249356ef547395554ae2991e53a2ca7bb991b62e4e0496312
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec