Analysis
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max time kernel
150s -
max time network
124s -
platform
windows10-1703_x64 -
resource
win10-20230220-en -
resource tags
arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system -
submitted
07-06-2023 04:57
Static task
static1
General
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Target
2da9f944c4c69db081d79b5c30aee819b24dcd21c69d1fa3a471587984a4fdd3.exe
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Size
4.2MB
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MD5
eac4aa8a0c86c5e9a49f76ac0aafa72e
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SHA1
67c2e6a8b0a5650d730246127e605c9b20a99c61
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SHA256
2da9f944c4c69db081d79b5c30aee819b24dcd21c69d1fa3a471587984a4fdd3
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SHA512
76b73fa6ab614abcb38a14de6654c4042f92fb9e24abd92e62defab059f4219a15e9e811ea20bb978001a17c6fd540f299bda16d11b8b8f8bf322232f7a6c384
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SSDEEP
98304:cV3QELaGwo1qDyz+mxXMY+SZa6ZKRD/StVVtijF8Vdcthmh:cVgExzqDGjFZxZyR8VVMiAthu
Malware Config
Signatures
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Glupteba payload 14 IoCs
resource yara_rule behavioral1/memory/4220-117-0x0000000004BD0000-0x00000000054BB000-memory.dmp family_glupteba behavioral1/memory/4220-265-0x0000000000400000-0x0000000002958000-memory.dmp family_glupteba behavioral1/memory/4220-411-0x0000000000400000-0x0000000002958000-memory.dmp family_glupteba behavioral1/memory/4980-650-0x0000000000400000-0x0000000002958000-memory.dmp family_glupteba behavioral1/memory/4980-902-0x0000000000400000-0x0000000002958000-memory.dmp family_glupteba behavioral1/memory/4980-1145-0x0000000000400000-0x0000000002958000-memory.dmp family_glupteba behavioral1/memory/2072-1392-0x0000000000400000-0x0000000002958000-memory.dmp family_glupteba behavioral1/memory/2072-1656-0x0000000000400000-0x0000000002958000-memory.dmp family_glupteba behavioral1/memory/2072-1884-0x0000000000400000-0x0000000002958000-memory.dmp family_glupteba behavioral1/memory/2072-1892-0x0000000000400000-0x0000000002958000-memory.dmp family_glupteba behavioral1/memory/2072-1894-0x0000000000400000-0x0000000002958000-memory.dmp family_glupteba behavioral1/memory/2072-1896-0x0000000000400000-0x0000000002958000-memory.dmp family_glupteba behavioral1/memory/2072-1898-0x0000000000400000-0x0000000002958000-memory.dmp family_glupteba behavioral1/memory/2072-1906-0x0000000000400000-0x0000000002958000-memory.dmp family_glupteba -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" 2da9f944c4c69db081d79b5c30aee819b24dcd21c69d1fa3a471587984a4fdd3.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" 2da9f944c4c69db081d79b5c30aee819b24dcd21c69d1fa3a471587984a4fdd3.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" 2da9f944c4c69db081d79b5c30aee819b24dcd21c69d1fa3a471587984a4fdd3.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\2da9f944c4c69db081d79b5c30aee819b24dcd21c69d1fa3a471587984a4fdd3.exe = "0" 2da9f944c4c69db081d79b5c30aee819b24dcd21c69d1fa3a471587984a4fdd3.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" 2da9f944c4c69db081d79b5c30aee819b24dcd21c69d1fa3a471587984a4fdd3.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" 2da9f944c4c69db081d79b5c30aee819b24dcd21c69d1fa3a471587984a4fdd3.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" 2da9f944c4c69db081d79b5c30aee819b24dcd21c69d1fa3a471587984a4fdd3.exe -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 5036 netsh.exe -
Executes dropped EXE 5 IoCs
pid Process 2072 csrss.exe 2524 injector.exe 3092 windefender.exe 2604 windefender.exe 3940 f801950a962ddba14caaa44bf084b55c.exe -
resource yara_rule behavioral1/files/0x000700000001aeee-1887.dat upx behavioral1/files/0x000700000001aeee-1888.dat upx behavioral1/files/0x000700000001aeee-1889.dat upx behavioral1/memory/3092-1890-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2604-1891-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2604-1897-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/files/0x000600000001aeef-1902.dat upx behavioral1/memory/3940-1903-0x0000000000400000-0x0000000000C25000-memory.dmp upx behavioral1/files/0x000600000001aeef-1904.dat upx behavioral1/memory/2604-1905-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3940-1907-0x0000000000400000-0x0000000000C25000-memory.dmp upx -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" 2da9f944c4c69db081d79b5c30aee819b24dcd21c69d1fa3a471587984a4fdd3.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" 2da9f944c4c69db081d79b5c30aee819b24dcd21c69d1fa3a471587984a4fdd3.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" 2da9f944c4c69db081d79b5c30aee819b24dcd21c69d1fa3a471587984a4fdd3.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" 2da9f944c4c69db081d79b5c30aee819b24dcd21c69d1fa3a471587984a4fdd3.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" 2da9f944c4c69db081d79b5c30aee819b24dcd21c69d1fa3a471587984a4fdd3.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" 2da9f944c4c69db081d79b5c30aee819b24dcd21c69d1fa3a471587984a4fdd3.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\2da9f944c4c69db081d79b5c30aee819b24dcd21c69d1fa3a471587984a4fdd3.exe = "0" 2da9f944c4c69db081d79b5c30aee819b24dcd21c69d1fa3a471587984a4fdd3.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3853465373-1718857667-1861325682-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 2da9f944c4c69db081d79b5c30aee819b24dcd21c69d1fa3a471587984a4fdd3.exe Set value (str) \REGISTRY\USER\S-1-5-21-3853465373-1718857667-1861325682-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File 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.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 2da9f944c4c69db081d79b5c30aee819b24dcd21c69d1fa3a471587984a4fdd3.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 2da9f944c4c69db081d79b5c30aee819b24dcd21c69d1fa3a471587984a4fdd3.exe File created C:\Windows\rss\csrss.exe 2da9f944c4c69db081d79b5c30aee819b24dcd21c69d1fa3a471587984a4fdd3.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 1416 sc.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 5040 schtasks.exe 1752 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" 2da9f944c4c69db081d79b5c30aee819b24dcd21c69d1fa3a471587984a4fdd3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs 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\1e\52C64B7E\@tzres.dll,-2182 = "Astrakhan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1022 = "Bangladesh Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time" 2da9f944c4c69db081d79b5c30aee819b24dcd21c69d1fa3a471587984a4fdd3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1722 = "Libya Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" 2da9f944c4c69db081d79b5c30aee819b24dcd21c69d1fa3a471587984a4fdd3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" 2da9f944c4c69db081d79b5c30aee819b24dcd21c69d1fa3a471587984a4fdd3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time" 2da9f944c4c69db081d79b5c30aee819b24dcd21c69d1fa3a471587984a4fdd3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-892 = "Morocco Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-741 = "New Zealand Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time" 2da9f944c4c69db081d79b5c30aee819b24dcd21c69d1fa3a471587984a4fdd3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" 2da9f944c4c69db081d79b5c30aee819b24dcd21c69d1fa3a471587984a4fdd3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time" 2da9f944c4c69db081d79b5c30aee819b24dcd21c69d1fa3a471587984a4fdd3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs 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\1e\52C64B7E\@tzres.dll,-11 = "Azores Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-172 = "Central Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-232 = "Hawaiian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time" 2da9f944c4c69db081d79b5c30aee819b24dcd21c69d1fa3a471587984a4fdd3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1822 = "Russia TZ 1 Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1872 = "Russia TZ 7 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time" 2da9f944c4c69db081d79b5c30aee819b24dcd21c69d1fa3a471587984a4fdd3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs 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\1e\52C64B7E\@tzres.dll,-171 = "Central Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2432 = "Cuba Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-71 = "Newfoundland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time" 2da9f944c4c69db081d79b5c30aee819b24dcd21c69d1fa3a471587984a4fdd3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" 2da9f944c4c69db081d79b5c30aee819b24dcd21c69d1fa3a471587984a4fdd3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time" 2da9f944c4c69db081d79b5c30aee819b24dcd21c69d1fa3a471587984a4fdd3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\LanguageList = 65006e002d0055005300000065006e0000000000 csrss.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\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\1e\52C64B7E\@tzres.dll,-2061 = "North Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. Standard Time" 2da9f944c4c69db081d79b5c30aee819b24dcd21c69d1fa3a471587984a4fdd3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2572 = "Turks and Caicos Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time" 2da9f944c4c69db081d79b5c30aee819b24dcd21c69d1fa3a471587984a4fdd3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\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\1e\52C64B7E\@tzres.dll,-2631 = "Norfolk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time" 2da9f944c4c69db081d79b5c30aee819b24dcd21c69d1fa3a471587984a4fdd3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-451 = "Caucasus Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time" 2da9f944c4c69db081d79b5c30aee819b24dcd21c69d1fa3a471587984a4fdd3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates 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\1e\52C64B7E\@tzres.dll,-221 = "Alaskan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-32 = "Mid-Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time" 2da9f944c4c69db081d79b5c30aee819b24dcd21c69d1fa3a471587984a4fdd3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" 2da9f944c4c69db081d79b5c30aee819b24dcd21c69d1fa3a471587984a4fdd3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" 2da9f944c4c69db081d79b5c30aee819b24dcd21c69d1fa3a471587984a4fdd3.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2108 powershell.exe 2108 powershell.exe 2108 powershell.exe 4220 2da9f944c4c69db081d79b5c30aee819b24dcd21c69d1fa3a471587984a4fdd3.exe 4220 2da9f944c4c69db081d79b5c30aee819b24dcd21c69d1fa3a471587984a4fdd3.exe 232 powershell.exe 232 powershell.exe 232 powershell.exe 4980 2da9f944c4c69db081d79b5c30aee819b24dcd21c69d1fa3a471587984a4fdd3.exe 4980 2da9f944c4c69db081d79b5c30aee819b24dcd21c69d1fa3a471587984a4fdd3.exe 4980 2da9f944c4c69db081d79b5c30aee819b24dcd21c69d1fa3a471587984a4fdd3.exe 4980 2da9f944c4c69db081d79b5c30aee819b24dcd21c69d1fa3a471587984a4fdd3.exe 4980 2da9f944c4c69db081d79b5c30aee819b24dcd21c69d1fa3a471587984a4fdd3.exe 4980 2da9f944c4c69db081d79b5c30aee819b24dcd21c69d1fa3a471587984a4fdd3.exe 4980 2da9f944c4c69db081d79b5c30aee819b24dcd21c69d1fa3a471587984a4fdd3.exe 4980 2da9f944c4c69db081d79b5c30aee819b24dcd21c69d1fa3a471587984a4fdd3.exe 4980 2da9f944c4c69db081d79b5c30aee819b24dcd21c69d1fa3a471587984a4fdd3.exe 4980 2da9f944c4c69db081d79b5c30aee819b24dcd21c69d1fa3a471587984a4fdd3.exe 4972 powershell.exe 4972 powershell.exe 4972 powershell.exe 3852 powershell.exe 3852 powershell.exe 3852 powershell.exe 1716 powershell.exe 1716 powershell.exe 1716 powershell.exe 5020 powershell.exe 5020 powershell.exe 5020 powershell.exe 2660 powershell.exe 2660 powershell.exe 2660 powershell.exe 2524 injector.exe 2524 injector.exe 2524 injector.exe 2524 injector.exe 2524 injector.exe 2524 injector.exe 2072 csrss.exe 2072 csrss.exe 2524 injector.exe 2524 injector.exe 2524 injector.exe 2524 injector.exe 2524 injector.exe 2524 injector.exe 2072 csrss.exe 2072 csrss.exe 2524 injector.exe 2524 injector.exe 2524 injector.exe 2524 injector.exe 2072 csrss.exe 2072 csrss.exe 2524 injector.exe 2524 injector.exe 2524 injector.exe 2524 injector.exe 2524 injector.exe 2524 injector.exe 2524 injector.exe 2524 injector.exe 2524 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2108 powershell.exe Token: SeDebugPrivilege 4220 2da9f944c4c69db081d79b5c30aee819b24dcd21c69d1fa3a471587984a4fdd3.exe Token: SeImpersonatePrivilege 4220 2da9f944c4c69db081d79b5c30aee819b24dcd21c69d1fa3a471587984a4fdd3.exe Token: SeDebugPrivilege 232 powershell.exe Token: SeDebugPrivilege 4972 powershell.exe Token: SeDebugPrivilege 3852 powershell.exe Token: SeDebugPrivilege 1716 powershell.exe Token: SeDebugPrivilege 5020 powershell.exe Token: SeDebugPrivilege 2660 powershell.exe Token: SeSystemEnvironmentPrivilege 2072 csrss.exe Token: SeSecurityPrivilege 1416 sc.exe Token: SeSecurityPrivilege 1416 sc.exe -
Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 4220 wrote to memory of 2108 4220 2da9f944c4c69db081d79b5c30aee819b24dcd21c69d1fa3a471587984a4fdd3.exe 68 PID 4220 wrote to memory of 2108 4220 2da9f944c4c69db081d79b5c30aee819b24dcd21c69d1fa3a471587984a4fdd3.exe 68 PID 4220 wrote to memory of 2108 4220 2da9f944c4c69db081d79b5c30aee819b24dcd21c69d1fa3a471587984a4fdd3.exe 68 PID 4980 wrote to memory of 232 4980 2da9f944c4c69db081d79b5c30aee819b24dcd21c69d1fa3a471587984a4fdd3.exe 73 PID 4980 wrote to memory of 232 4980 2da9f944c4c69db081d79b5c30aee819b24dcd21c69d1fa3a471587984a4fdd3.exe 73 PID 4980 wrote to memory of 232 4980 2da9f944c4c69db081d79b5c30aee819b24dcd21c69d1fa3a471587984a4fdd3.exe 73 PID 4980 wrote to memory of 5072 4980 2da9f944c4c69db081d79b5c30aee819b24dcd21c69d1fa3a471587984a4fdd3.exe 75 PID 4980 wrote to memory of 5072 4980 2da9f944c4c69db081d79b5c30aee819b24dcd21c69d1fa3a471587984a4fdd3.exe 75 PID 5072 wrote to memory of 5036 5072 cmd.exe 77 PID 5072 wrote to memory of 5036 5072 cmd.exe 77 PID 4980 wrote to memory of 4972 4980 2da9f944c4c69db081d79b5c30aee819b24dcd21c69d1fa3a471587984a4fdd3.exe 78 PID 4980 wrote to memory of 4972 4980 2da9f944c4c69db081d79b5c30aee819b24dcd21c69d1fa3a471587984a4fdd3.exe 78 PID 4980 wrote to memory of 4972 4980 2da9f944c4c69db081d79b5c30aee819b24dcd21c69d1fa3a471587984a4fdd3.exe 78 PID 4980 wrote to memory of 3852 4980 2da9f944c4c69db081d79b5c30aee819b24dcd21c69d1fa3a471587984a4fdd3.exe 80 PID 4980 wrote to memory of 3852 4980 2da9f944c4c69db081d79b5c30aee819b24dcd21c69d1fa3a471587984a4fdd3.exe 80 PID 4980 wrote to memory of 3852 4980 2da9f944c4c69db081d79b5c30aee819b24dcd21c69d1fa3a471587984a4fdd3.exe 80 PID 4980 wrote to memory of 2072 4980 2da9f944c4c69db081d79b5c30aee819b24dcd21c69d1fa3a471587984a4fdd3.exe 82 PID 4980 wrote to memory of 2072 4980 2da9f944c4c69db081d79b5c30aee819b24dcd21c69d1fa3a471587984a4fdd3.exe 82 PID 4980 wrote to memory of 2072 4980 2da9f944c4c69db081d79b5c30aee819b24dcd21c69d1fa3a471587984a4fdd3.exe 82 PID 2072 wrote to memory of 1716 2072 csrss.exe 83 PID 2072 wrote to memory of 1716 2072 csrss.exe 83 PID 2072 wrote to memory of 1716 2072 csrss.exe 83 PID 2072 wrote to memory of 5020 2072 csrss.exe 89 PID 2072 wrote to memory of 5020 2072 csrss.exe 89 PID 2072 wrote to memory of 5020 2072 csrss.exe 89 PID 2072 wrote to memory of 2660 2072 csrss.exe 92 PID 2072 wrote to memory of 2660 2072 csrss.exe 92 PID 2072 wrote to memory of 2660 2072 csrss.exe 92 PID 2072 wrote to memory of 2524 2072 csrss.exe 94 PID 2072 wrote to memory of 2524 2072 csrss.exe 94 PID 3092 wrote to memory of 4168 3092 windefender.exe 101 PID 3092 wrote to memory of 4168 3092 windefender.exe 101 PID 3092 wrote to memory of 4168 3092 windefender.exe 101 PID 4168 wrote to memory of 1416 4168 cmd.exe 102 PID 4168 wrote to memory of 1416 4168 cmd.exe 102 PID 4168 wrote to memory of 1416 4168 cmd.exe 102 PID 2072 wrote to memory of 3940 2072 csrss.exe 104 PID 2072 wrote to memory of 3940 2072 csrss.exe 104 PID 2072 wrote to memory of 3940 2072 csrss.exe 104 -
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\2da9f944c4c69db081d79b5c30aee819b24dcd21c69d1fa3a471587984a4fdd3.exe"C:\Users\Admin\AppData\Local\Temp\2da9f944c4c69db081d79b5c30aee819b24dcd21c69d1fa3a471587984a4fdd3.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4220 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2108
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C:\Users\Admin\AppData\Local\Temp\2da9f944c4c69db081d79b5c30aee819b24dcd21c69d1fa3a471587984a4fdd3.exe"C:\Users\Admin\AppData\Local\Temp\2da9f944c4c69db081d79b5c30aee819b24dcd21c69d1fa3a471587984a4fdd3.exe"2⤵
- Windows security bypass
- Windows security modification
- 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:4980 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:232
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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:5072 -
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:5036
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4972
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3852
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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
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2072 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1716
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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:5040
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5020
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4360
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2660
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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:2524
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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:1752
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3092 -
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:4168 -
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:1416
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C:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exeC:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exe4⤵
- Executes dropped EXE
PID:3940
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2604
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
1B
MD5c4ca4238a0b923820dcc509a6f75849b
SHA1356a192b7913b04c54574d18c28d46e6395428ab
SHA2566b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b
SHA5124dff4ea340f0a823f15d3f4f01ab62eae0e5da579ccb851f8db9dfe84c58b2b37b89903a740e1ee172da793a6e79d560e5f7f9bd058a12a280433ed6fa46510a
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Filesize
3.2MB
MD5f801950a962ddba14caaa44bf084b55c
SHA17cadc9076121297428442785536ba0df2d4ae996
SHA256c3946ec89e15b24b743c46f9acacb58cff47da63f3ce2799d71ed90496b8891f
SHA5124183bc76bdc84fb779e2e573d9a63d7de47096b63b945f9e335bee95ae28eb208f5ee15f6501ac59623b97c5b77f3455ca313512e7d9803e1704ae22a52459c5
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Filesize
3.2MB
MD5f801950a962ddba14caaa44bf084b55c
SHA17cadc9076121297428442785536ba0df2d4ae996
SHA256c3946ec89e15b24b743c46f9acacb58cff47da63f3ce2799d71ed90496b8891f
SHA5124183bc76bdc84fb779e2e573d9a63d7de47096b63b945f9e335bee95ae28eb208f5ee15f6501ac59623b97c5b77f3455ca313512e7d9803e1704ae22a52459c5
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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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
MD51c19c16e21c97ed42d5beabc93391fc5
SHA18ad83f8e0b3acf8dfbbf87931e41f0d664c4df68
SHA2561bcd97396c83babfe6c5068ba590d7a3f8b70e72955a9d1e4070648e404cbf05
SHA5127d18776d8f649b3d29c182ff03efc6cea8b527542ee55304980f24577aae8b64e37044407776e220984346c3998ace5f8853afa58c8b38407482a728e9495e0c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5a03317490ca140b842e324b5372a2c19
SHA1212a8278395e9f59b9a16f59e3db84563a10dfa0
SHA256034e6053a7db5e44ffa90f46b01ab8725c0032b6361643b8c11b15441b869a9c
SHA5123538e1f19852d354ddf19c3c47fc72ddef51d78bf383e781871f2b9c1d7bf2fdd1a660dbb546e659008c6a12c20b584a6329f52c7c35004f43a0633368e05b04
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD542e7bfd6d0301d2b21e3b6e2bbfdacc2
SHA1dbbeb96d2b05cc6290bd35e87c697f5446cc4578
SHA256c1e98871b8c46757a043f179b9e8f68371fffec9bed39c1be1fc73e2ddb1f23a
SHA51222225122aca8472732edc7bc98193dad1ddf62c1805bbf6984e6576b14b195012b0c1680222520aa80d916d89c2854553c428b90dfcc48dfd2878643b23d18e2
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD53ffa7216d1bc722424da2199d11807e3
SHA1eafdc2be31a9775e3199b0d2b00712be8db17d13
SHA256d8f4095b99ee769a72caca56015ddd6f203cf2816feef996b5e02024079c836b
SHA5124f04b4bf5b618be8f0e9bf5322a600c6dbb46f61611ea007c61026a40a89701a6ccee06bfde473523db745c00d1cf397f21a1cf12b52dd0436672afe9dcd47d0
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD50c6b9f1f104744f6e6314fb210c0c16a
SHA14937a4ea063437d1671a7dfcb15517b2459300ee
SHA2565a4846786951bd6e978f5dad81566a7eb866c67d8ab016d4e026556ca3f31620
SHA512bba3c8fcffdb5fce17defe2fa69e9c548ba6f8ae6f4a48e55a62dfd63acf0293375268aac559b2596b390bfb194500658e710d43c074e93f5fd300d0a1bc3a3e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD52ba44a3b6413449ea7c6f905e5ef8201
SHA1a4ab879bb5f33d31129134e9c92ea76b4c26b511
SHA256b3b17c0d9602d0d8dec3f8ffe8d177f1fdf29c9aa7bd10df892dc77e9da65763
SHA512364d2e076a0050309004ea394a65556735e4f6db3e752a8b3ee15ad8f7824989e4a9dead332a028d0151b6fdc27301b6eb5a6bfeee8e469b1f37db7ab263f0c3
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Filesize
4.2MB
MD5eac4aa8a0c86c5e9a49f76ac0aafa72e
SHA167c2e6a8b0a5650d730246127e605c9b20a99c61
SHA2562da9f944c4c69db081d79b5c30aee819b24dcd21c69d1fa3a471587984a4fdd3
SHA51276b73fa6ab614abcb38a14de6654c4042f92fb9e24abd92e62defab059f4219a15e9e811ea20bb978001a17c6fd540f299bda16d11b8b8f8bf322232f7a6c384
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Filesize
4.2MB
MD5eac4aa8a0c86c5e9a49f76ac0aafa72e
SHA167c2e6a8b0a5650d730246127e605c9b20a99c61
SHA2562da9f944c4c69db081d79b5c30aee819b24dcd21c69d1fa3a471587984a4fdd3
SHA51276b73fa6ab614abcb38a14de6654c4042f92fb9e24abd92e62defab059f4219a15e9e811ea20bb978001a17c6fd540f299bda16d11b8b8f8bf322232f7a6c384
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec