Analysis
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max time kernel
149s -
max time network
151s -
platform
windows11-21h2_x64 -
resource
win11-20240412-en -
resource tags
arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system -
submitted
25-04-2024 12:48
Static task
static1
Behavioral task
behavioral1
Sample
7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe
Resource
win10v2004-20240412-en
General
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Target
7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe
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Size
4.2MB
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MD5
39152c6e7646d3755b388d3e5676c491
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SHA1
d649bc114f8887c4502790b038926692cf43f3ee
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SHA256
7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a
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SHA512
8d867ab5ef94f0732d4f4b94d53d9e5493f0884800ce1f9ca522ee8b0c03bc68aa7035dcf2de453b7a56ffdad410a895404f0803a00c888daa1a21987e65a686
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SSDEEP
98304:ZlPNnLMcliXgk6mZUGEiVLqbbhuqLV4AlEjP7a:ZlP9LMc0wkDbEiV0LVIG
Malware Config
Signatures
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Glupteba payload 19 IoCs
Processes:
resource yara_rule behavioral2/memory/1480-2-0x00000000052F0000-0x0000000005BDB000-memory.dmp family_glupteba behavioral2/memory/1480-3-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral2/memory/1480-51-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral2/memory/1480-53-0x00000000052F0000-0x0000000005BDB000-memory.dmp family_glupteba behavioral2/memory/976-55-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral2/memory/976-101-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral2/memory/976-117-0x0000000003590000-0x0000000003995000-memory.dmp family_glupteba behavioral2/memory/976-148-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral2/memory/1504-182-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral2/memory/1504-247-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral2/memory/1504-256-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral2/memory/1504-258-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral2/memory/1504-260-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral2/memory/1504-262-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral2/memory/1504-264-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral2/memory/1504-266-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral2/memory/1504-268-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral2/memory/1504-270-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral2/memory/1504-272-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 3868 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid process 1504 csrss.exe 2792 injector.exe 4568 windefender.exe 2036 windefender.exe -
Processes:
resource yara_rule C:\Windows\windefender.exe upx behavioral2/memory/4568-254-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2036-257-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2036-261-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.execsrss.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-801765966-3955847401-2235691403-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe Set value (str) \REGISTRY\USER\S-1-5-21-801765966-3955847401-2235691403-1000\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 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 -
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:
7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exedescription ioc process File opened (read-only) \??\VBoxMiniRdrDN 7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe -
Drops file in Windows directory 4 IoCs
Processes:
7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.execsrss.exedescription ioc process File created C:\Windows\rss\csrss.exe 7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe 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 7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
Processes:
sc.exepid process 2732 sc.exe -
Program crash 6 IoCs
Processes:
WerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exepid pid_target process target process 2912 1480 WerFault.exe 7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe 4148 1480 WerFault.exe 7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe 2820 1480 WerFault.exe 7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe 2252 976 WerFault.exe 7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe 4656 976 WerFault.exe 7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe 2548 976 WerFault.exe 7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.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 2684 schtasks.exe 3908 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
windefender.exe7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-252 = "Dateline Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-911 = "Mauritius Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-892 = "Morocco Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time" 7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time" 7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1971 = "Belarus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2751 = "Tomsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time" 7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" 7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-162 = "Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1832 = "Russia TZ 2 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-791 = "SA Western Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time" 7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time" 7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-332 = "E. Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-342 = "Egypt Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time" 7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-221 = "Alaskan Daylight Time" 7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2791 = "Novosibirsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time" 7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2511 = "Lord Howe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1872 = "Russia TZ 7 Standard Time" 7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" 7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time" 7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time" 7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time" 7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-752 = "Tonga Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-981 = "Kamchatka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2871 = "Magallanes Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1932 = "Russia TZ 11 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" 7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" 7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\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 powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. Standard Time" 7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time" 7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-671 = "AUS Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-52 = "Greenland Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-105 = "Central Brazilian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-112 = "Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-182 = "Mountain Standard Time (Mexico)" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-411 = "E. Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time" 7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exepowershell.exe7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid process 1100 powershell.exe 1100 powershell.exe 1480 7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe 1480 7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe 2076 powershell.exe 2076 powershell.exe 976 7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe 976 7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe 976 7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe 976 7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe 976 7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe 976 7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe 976 7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe 976 7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe 976 7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe 976 7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe 1188 powershell.exe 1188 powershell.exe 2448 powershell.exe 2448 powershell.exe 3496 powershell.exe 3496 powershell.exe 568 powershell.exe 568 powershell.exe 4476 powershell.exe 4476 powershell.exe 2792 injector.exe 2792 injector.exe 2792 injector.exe 2792 injector.exe 2792 injector.exe 2792 injector.exe 1504 csrss.exe 1504 csrss.exe 2792 injector.exe 2792 injector.exe 2792 injector.exe 2792 injector.exe 2792 injector.exe 2792 injector.exe 1504 csrss.exe 1504 csrss.exe 2792 injector.exe 2792 injector.exe 2792 injector.exe 2792 injector.exe 1504 csrss.exe 1504 csrss.exe 2792 injector.exe 2792 injector.exe 2792 injector.exe 2792 injector.exe 2792 injector.exe 2792 injector.exe 2792 injector.exe 2792 injector.exe 2792 injector.exe 2792 injector.exe 2792 injector.exe 2792 injector.exe 2792 injector.exe 2792 injector.exe 2792 injector.exe 2792 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid process Token: SeDebugPrivilege 1100 powershell.exe Token: SeDebugPrivilege 1480 7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe Token: SeImpersonatePrivilege 1480 7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe Token: SeDebugPrivilege 2076 powershell.exe Token: SeDebugPrivilege 1188 powershell.exe Token: SeDebugPrivilege 2448 powershell.exe Token: SeDebugPrivilege 3496 powershell.exe Token: SeDebugPrivilege 568 powershell.exe Token: SeDebugPrivilege 4476 powershell.exe Token: SeSystemEnvironmentPrivilege 1504 csrss.exe Token: SeSecurityPrivilege 2732 sc.exe Token: SeSecurityPrivilege 2732 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.execmd.execsrss.exewindefender.execmd.exedescription pid process target process PID 1480 wrote to memory of 1100 1480 7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe powershell.exe PID 1480 wrote to memory of 1100 1480 7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe powershell.exe PID 1480 wrote to memory of 1100 1480 7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe powershell.exe PID 976 wrote to memory of 2076 976 7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe powershell.exe PID 976 wrote to memory of 2076 976 7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe powershell.exe PID 976 wrote to memory of 2076 976 7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe powershell.exe PID 976 wrote to memory of 2976 976 7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe cmd.exe PID 976 wrote to memory of 2976 976 7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe cmd.exe PID 2976 wrote to memory of 3868 2976 cmd.exe netsh.exe PID 2976 wrote to memory of 3868 2976 cmd.exe netsh.exe PID 976 wrote to memory of 1188 976 7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe powershell.exe PID 976 wrote to memory of 1188 976 7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe powershell.exe PID 976 wrote to memory of 1188 976 7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe powershell.exe PID 976 wrote to memory of 2448 976 7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe powershell.exe PID 976 wrote to memory of 2448 976 7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe powershell.exe PID 976 wrote to memory of 2448 976 7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe powershell.exe PID 976 wrote to memory of 1504 976 7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe csrss.exe PID 976 wrote to memory of 1504 976 7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe csrss.exe PID 976 wrote to memory of 1504 976 7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe csrss.exe PID 1504 wrote to memory of 3496 1504 csrss.exe powershell.exe PID 1504 wrote to memory of 3496 1504 csrss.exe powershell.exe PID 1504 wrote to memory of 3496 1504 csrss.exe powershell.exe PID 1504 wrote to memory of 568 1504 csrss.exe powershell.exe PID 1504 wrote to memory of 568 1504 csrss.exe powershell.exe PID 1504 wrote to memory of 568 1504 csrss.exe powershell.exe PID 1504 wrote to memory of 4476 1504 csrss.exe powershell.exe PID 1504 wrote to memory of 4476 1504 csrss.exe powershell.exe PID 1504 wrote to memory of 4476 1504 csrss.exe powershell.exe PID 1504 wrote to memory of 2792 1504 csrss.exe injector.exe PID 1504 wrote to memory of 2792 1504 csrss.exe injector.exe PID 4568 wrote to memory of 540 4568 windefender.exe cmd.exe PID 4568 wrote to memory of 540 4568 windefender.exe cmd.exe PID 4568 wrote to memory of 540 4568 windefender.exe cmd.exe PID 540 wrote to memory of 2732 540 cmd.exe sc.exe PID 540 wrote to memory of 2732 540 cmd.exe sc.exe PID 540 wrote to memory of 2732 540 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\7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe"C:\Users\Admin\AppData\Local\Temp\7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1480 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1100 -
C:\Users\Admin\AppData\Local\Temp\7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe"C:\Users\Admin\AppData\Local\Temp\7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.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:976 -
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:2076 -
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:2976 -
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:3868 -
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:1188 -
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:2448 -
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:1504 -
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:3496 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:2684 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:584
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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:568 -
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:4476 -
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:2792 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:3908 -
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4568 -
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:540 -
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:2732 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 976 -s 6123⤵
- Program crash
PID:2252 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 976 -s 6163⤵
- Program crash
PID:4656 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 976 -s 7243⤵
- Program crash
PID:2548 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1480 -s 8202⤵
- Program crash
PID:2912 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1480 -s 8442⤵
- Program crash
PID:4148 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1480 -s 6562⤵
- Program crash
PID:2820
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1480 -ip 14801⤵PID:8
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1480 -ip 14801⤵PID:4056
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 400 -p 1480 -ip 14801⤵PID:2256
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 400 -p 976 -ip 9761⤵PID:4920
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 976 -ip 9761⤵PID:2864
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 976 -ip 9761⤵PID:4212
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2036
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
MD527575133f573d748fdc71dec382007db
SHA161f23b2202bb5cf730783fc7a7b11d3ae74c9c4e
SHA256248271dc92610c9ace67e8e3ea9c214d27b0c344db843cd27ae58d022fd90ef8
SHA512e6bec228d0a7134e04bf922ca080896f1fc583e9bef145ce3e99b225aa56c8822bddfee196eba510b82aa81261220e5fe37ebd4b16f44b98829acd63af9545c6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ce41c58b8e72a8c02995239696cd8887
SHA110f43eb90f634357f5833a15cb4aa548b9715192
SHA2567fdee088bc58426ff1e21506d1d1333d49ebfae24a0c3efb9df5b5f8497faaba
SHA512178dfa00e5630a9e60b2cf2ee918fe73ea8ece79380e43c174926901dc8e94961daac3c91a4e75d84be2dbe229069939d59808bf46f4c8e26b89185f6bc46df7
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e77ecdf142f22a740c1f609e2f029c60
SHA1be4bb0d9960af8c955f3830e9955ba93831ba07c
SHA256b9cdf37325a5407067c07b2e0139b28b0ee6e1ba4b4ad5504ff60baaf5182de5
SHA5125ed5ee6507f4e8904c721a14759e673f0402a0eac3cb1e031a622c93838eb5d4c9decf966e5692d069fe964be2ed4cfa61f4936f0fe0799158277df66f0ec193
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58d2a0bc14ab11af2a3268b86fae51aac
SHA171b5b26f78c560662692a15e1ab950d1e3b54a95
SHA2560a90e5a9a13a5e96066efe4f34d2b7f91275962a28c430835c28d546526e196a
SHA5128197b20c324acd9f77e03c3e66f91bcf7257ddb58e33b780eb8f7aeb873b58bbe27a065c8d62ee6fb4bc37dd877279040df8f98ba61df13011b750df0eae1d08
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53cfd6e2b426b4e87027a1fdbe6d0ba78
SHA1be2a56f364e592c4ead01162c1c2a1ebf8f02c8b
SHA2560405769fe58f17f82e4733b9a9ebbeac03b55eea7c09e4d9cffa1e8f0f384c4b
SHA51244f3a153b8587b0fdf9b705e0e8e6054a15b3dc3ba310b416950983eb3eb16a76ddd832577d22558ecb9b85f309349942c3dfd10c4c6f22312883bdf68ce4dfe
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Filesize
4.2MB
MD539152c6e7646d3755b388d3e5676c491
SHA1d649bc114f8887c4502790b038926692cf43f3ee
SHA2567db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a
SHA5128d867ab5ef94f0732d4f4b94d53d9e5493f0884800ce1f9ca522ee8b0c03bc68aa7035dcf2de453b7a56ffdad410a895404f0803a00c888daa1a21987e65a686
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec