Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
20-04-2024 15:09
Static task
static1
Behavioral task
behavioral1
Sample
913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe
Resource
win10v2004-20240412-en
General
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Target
913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe
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Size
4.2MB
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MD5
03245c46a3f4e234c142245666810271
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SHA1
6e13fa6ddd11d564b322e9fd270c6e345507940b
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SHA256
913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0
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SHA512
0de4c868c18c167dfad1c094632259be71325dfc71c9a4e30d5ce2732024af3df2a3fcb2cd31b8e5bb993f6ab2216f85ce2068762b819e25e75a87f6c02295df
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SSDEEP
49152:ZKOdvREmi8iTwPpeYBnAu4QJI7RESGN2UNQnUyHdr+bW0USBgrsqhT/DWSjgq2SS:QOLEfT6eYBhfhWV+b2vbWNq2SbuhRf
Malware Config
Signatures
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Glupteba payload 19 IoCs
Processes:
resource yara_rule behavioral1/memory/876-2-0x0000000003FD0000-0x00000000048BB000-memory.dmp family_glupteba behavioral1/memory/876-3-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral1/memory/1688-57-0x0000000003E80000-0x000000000476B000-memory.dmp family_glupteba behavioral1/memory/1688-58-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral1/memory/876-70-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral1/memory/1688-204-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral1/memory/1700-257-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral1/memory/1700-267-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral1/memory/1700-270-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral1/memory/1700-274-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral1/memory/1700-278-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral1/memory/1700-283-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral1/memory/1700-287-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral1/memory/1700-291-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral1/memory/1700-295-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral1/memory/1700-299-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral1/memory/1700-302-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral1/memory/1700-306-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral1/memory/1700-311-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 1260 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid process 1700 csrss.exe 4924 injector.exe 2028 windefender.exe 4560 windefender.exe -
Processes:
resource yara_rule C:\Windows\windefender.exe upx behavioral1/memory/2028-266-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4560-271-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4560-279-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4560-290-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.execsrss.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-259785868-298165991-4178590326-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe Set value (str) \REGISTRY\USER\S-1-5-21-259785868-298165991-4178590326-1000\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:
913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exedescription ioc process File opened (read-only) \??\VBoxMiniRdrDN 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe -
Drops file in Windows directory 4 IoCs
Processes:
913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.execsrss.exedescription ioc process File opened for modification C:\Windows\rss 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe File created C:\Windows\rss\csrss.exe 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.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 2772 sc.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 4740 schtasks.exe 624 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exepowershell.exewindefender.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.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\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,-2772 = "Omsk Standard Time" 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time" 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.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\26\52C64B7E\@tzres.dll,-161 = "Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1801 = "Line Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time" 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time" 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2451 = "Saint Pierre Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2342 = "Haiti Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-431 = "Iran Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-562 = "SE Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time" 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time" 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time" 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time" 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-335 = "Jordan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2452 = "Saint Pierre Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-591 = "Malay Peninsula Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time" 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time" 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time" 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time" 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1022 = "Bangladesh Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time" 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time" 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-831 = "SA Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-561 = "SE Asia Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs 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,-151 = "Central America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time" 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time" 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time" 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-691 = "Tasmania Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time" 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time" 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs 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\26\52C64B7E\@tzres.dll,-651 = "AUS Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-371 = "Jerusalem Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time" 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2371 = "Easter Island Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1722 = "Libya Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1502 = "Turkey Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time" 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time" 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exepowershell.exe913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid process 2064 powershell.exe 2064 powershell.exe 876 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe 876 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe 1700 powershell.exe 1700 powershell.exe 1688 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe 1688 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe 1688 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe 1688 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe 1688 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe 1688 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe 1688 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe 1688 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe 1688 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe 1688 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe 5024 powershell.exe 5024 powershell.exe 5024 powershell.exe 1216 powershell.exe 1216 powershell.exe 1216 powershell.exe 3620 powershell.exe 3620 powershell.exe 3620 powershell.exe 3820 powershell.exe 3820 powershell.exe 3820 powershell.exe 4648 powershell.exe 4648 powershell.exe 4648 powershell.exe 4924 injector.exe 4924 injector.exe 4924 injector.exe 4924 injector.exe 4924 injector.exe 4924 injector.exe 1700 csrss.exe 1700 csrss.exe 4924 injector.exe 4924 injector.exe 4924 injector.exe 4924 injector.exe 4924 injector.exe 4924 injector.exe 1700 csrss.exe 1700 csrss.exe 4924 injector.exe 4924 injector.exe 4924 injector.exe 4924 injector.exe 4924 injector.exe 4924 injector.exe 4924 injector.exe 4924 injector.exe 4924 injector.exe 4924 injector.exe 1700 csrss.exe 1700 csrss.exe 4924 injector.exe 4924 injector.exe 4924 injector.exe 4924 injector.exe 4924 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid process Token: SeDebugPrivilege 2064 powershell.exe Token: SeDebugPrivilege 876 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe Token: SeImpersonatePrivilege 876 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe Token: SeDebugPrivilege 1700 powershell.exe Token: SeDebugPrivilege 5024 powershell.exe Token: SeDebugPrivilege 1216 powershell.exe Token: SeDebugPrivilege 3620 powershell.exe Token: SeDebugPrivilege 3820 powershell.exe Token: SeDebugPrivilege 4648 powershell.exe Token: SeSystemEnvironmentPrivilege 1700 csrss.exe Token: SeSecurityPrivilege 2772 sc.exe Token: SeSecurityPrivilege 2772 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.execmd.execsrss.exewindefender.execmd.exedescription pid process target process PID 876 wrote to memory of 2064 876 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe powershell.exe PID 876 wrote to memory of 2064 876 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe powershell.exe PID 876 wrote to memory of 2064 876 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe powershell.exe PID 1688 wrote to memory of 1700 1688 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe csrss.exe PID 1688 wrote to memory of 1700 1688 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe csrss.exe PID 1688 wrote to memory of 1700 1688 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe csrss.exe PID 1688 wrote to memory of 2760 1688 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe cmd.exe PID 1688 wrote to memory of 2760 1688 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe cmd.exe PID 2760 wrote to memory of 1260 2760 cmd.exe netsh.exe PID 2760 wrote to memory of 1260 2760 cmd.exe netsh.exe PID 1688 wrote to memory of 5024 1688 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe powershell.exe PID 1688 wrote to memory of 5024 1688 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe powershell.exe PID 1688 wrote to memory of 5024 1688 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe powershell.exe PID 1688 wrote to memory of 1216 1688 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe powershell.exe PID 1688 wrote to memory of 1216 1688 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe powershell.exe PID 1688 wrote to memory of 1216 1688 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe powershell.exe PID 1688 wrote to memory of 1700 1688 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe csrss.exe PID 1688 wrote to memory of 1700 1688 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe csrss.exe PID 1688 wrote to memory of 1700 1688 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe csrss.exe PID 1700 wrote to memory of 3620 1700 csrss.exe powershell.exe PID 1700 wrote to memory of 3620 1700 csrss.exe powershell.exe PID 1700 wrote to memory of 3620 1700 csrss.exe powershell.exe PID 1700 wrote to memory of 3820 1700 csrss.exe powershell.exe PID 1700 wrote to memory of 3820 1700 csrss.exe powershell.exe PID 1700 wrote to memory of 3820 1700 csrss.exe powershell.exe PID 1700 wrote to memory of 4648 1700 csrss.exe powershell.exe PID 1700 wrote to memory of 4648 1700 csrss.exe powershell.exe PID 1700 wrote to memory of 4648 1700 csrss.exe powershell.exe PID 1700 wrote to memory of 4924 1700 csrss.exe injector.exe PID 1700 wrote to memory of 4924 1700 csrss.exe injector.exe PID 2028 wrote to memory of 940 2028 windefender.exe cmd.exe PID 2028 wrote to memory of 940 2028 windefender.exe cmd.exe PID 2028 wrote to memory of 940 2028 windefender.exe cmd.exe PID 940 wrote to memory of 2772 940 cmd.exe sc.exe PID 940 wrote to memory of 2772 940 cmd.exe sc.exe PID 940 wrote to memory of 2772 940 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\913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe"C:\Users\Admin\AppData\Local\Temp\913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:876 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2064
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C:\Users\Admin\AppData\Local\Temp\913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe"C:\Users\Admin\AppData\Local\Temp\913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.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:1688 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1700
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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:2760 -
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:1260
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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:5024
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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:1216
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C:\Windows\rss\csrss.exeC:\Windows\rss\csrss.exe3⤵
- Executes dropped EXE
- Adds Run key to start application
- Manipulates WinMonFS driver.
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1700 -
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:3620
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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:624
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:316
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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:3820
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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:4648
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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:4924
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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:4740
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2028 -
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:940 -
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:2772
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4560
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54dc4a46dd995b8919c19b91ebb837d1a
SHA183fa92170fe0f9943f4acf2670e21e5a20b91524
SHA2569664c36b84f20f99c618d3e81f44898c1741d942afecb7fd909d643b69de6082
SHA512b6f5b70d6a2ec96d476cf7ab1e171d36a2662bceed68649ccc89fa9bcf56db540ce4fdd50cb0b6ba26e3444e6c51a5b7ec76cf54933b37139daefa7df4e1b7ab
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5cacefdceb80b1cba0d167a2bd7749092
SHA12dd7c242f27753ae3f15eaad48dd556f353e55f0
SHA256cd4152d44de4dbabafc676b8b966fd41e47bc8af26c954f0215be564e69ee954
SHA5120aac7b8499a3cdcf5e30d146304771f2934d50b05763f97eae16be35261b223e128f18f863d31d2ef0f748098d18c5d5fb6a7417cff057553d0d843728fed5b4
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56edbc7cc16134fb215e2e865c2a94b3a
SHA1fc6684c695fe609414159e406f3929d02829f05c
SHA256e4022afe1e5102b34794bd22e2604bdc346543b1b10c518d18a17abaec425539
SHA5124ea099d5a4d65684ed399c9f2e7342fd82be259950d3e7c68cf29f58acce0eff4d9c8c93774dee1c803fbed2585e5904e7adbbefc00e72f47f3f77a70fc8a5ab
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56fd930c2e7936e5e9557c81cdb026ef9
SHA1cd28858c66d9a65f6c4c0a9dcabc7fb5af7a73bd
SHA256e0b9726682e2aa652f687f07d5a9634d1169583dd57399d075ddf8240aceaddf
SHA5122013224517c0617e8881634a164ff396c48391e4ce42a9f5420de845fe7a9de951bc8d413d3b96aa581cd7723c6c694588046ea8a55a416e0417951f299ba169
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5db45439bb781137ed5889f638a0de742
SHA12908edf87fe75a06c3996e8fefb551dea4e12873
SHA25650a88d9051aa5efc29224f3b6f99c4236ea7edc674756d465a4999644ec73343
SHA512a97c298863c9aac9ef27c00bd1328629438b789342c8050dc5be96eb0e9b3266b2f16193616fc28a4adf56f7752febd32aabd63533ba997645518343d3aeb200
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Filesize
4.2MB
MD503245c46a3f4e234c142245666810271
SHA16e13fa6ddd11d564b322e9fd270c6e345507940b
SHA256913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0
SHA5120de4c868c18c167dfad1c094632259be71325dfc71c9a4e30d5ce2732024af3df2a3fcb2cd31b8e5bb993f6ab2216f85ce2068762b819e25e75a87f6c02295df
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec