Analysis
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max time kernel
150s -
max time network
153s -
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 12:46
Static task
static1
Behavioral task
behavioral1
Sample
5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exe
Resource
win10v2004-20240412-en
General
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Target
5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exe
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Size
4.2MB
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MD5
edb747df35bbc58371e0251806a4fbd1
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SHA1
2c5db0c9b9c1667152d50572fd797e8d9ede5cc1
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SHA256
5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9
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SHA512
afe3812b26f847fd4f4c8ef49c0c2d021e4154d3899fae6a9d220850a4b6d0b90b822644876998aa89efbea464c90b34a7802fc3b59217cfc51b58b74d1eb9bd
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SSDEEP
98304:JlPNnLMcliXgk6mZUGEiVLqbbhuqLV4AlEjP7t:JlP9LMc0wkDbEiV0LVIB
Malware Config
Signatures
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Glupteba payload 19 IoCs
Processes:
resource yara_rule behavioral2/memory/3600-2-0x0000000005420000-0x0000000005D0B000-memory.dmp family_glupteba behavioral2/memory/3600-3-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral2/memory/3600-51-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral2/memory/3600-53-0x0000000005420000-0x0000000005D0B000-memory.dmp family_glupteba behavioral2/memory/2616-55-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral2/memory/2616-100-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral2/memory/2616-126-0x00000000037F0000-0x0000000003BF2000-memory.dmp family_glupteba behavioral2/memory/2616-138-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral2/memory/2616-145-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral2/memory/4912-209-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral2/memory/4912-240-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral2/memory/4912-249-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral2/memory/4912-251-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral2/memory/4912-253-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral2/memory/4912-255-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral2/memory/4912-257-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral2/memory/4912-259-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral2/memory/4912-261-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral2/memory/4912-263-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 3776 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid process 4912 csrss.exe 4216 injector.exe 4248 windefender.exe 1500 windefender.exe -
Processes:
resource yara_rule C:\Windows\windefender.exe upx behavioral2/memory/4248-248-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1500-250-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1500-254-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.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\"" 5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.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 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:
5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exedescription ioc process File opened (read-only) \??\VBoxMiniRdrDN 5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exe -
Drops file in Windows directory 4 IoCs
Processes:
5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.execsrss.exedescription ioc process File opened for modification C:\Windows\rss 5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exe File created C:\Windows\rss\csrss.exe 5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.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 3744 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 4636 schtasks.exe 5008 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exepowershell.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,-732 = "Fiji Standard Time" 5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.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\CA\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,-281 = "Central Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-31 = "Mid-Atlantic 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" 5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2161 = "Altai Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1912 = "Russia TZ 10 Standard Time" windefender.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\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time" 5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" 5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time" 5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time" 5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\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,-1802 = "Line Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2061 = "North Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time" 5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time" 5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time" 5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" 5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time" 5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.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\@tzres.dll,-251 = "Dateline Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2572 = "Turks and Caicos Standard Time" windefender.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,-771 = "Montevideo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time" 5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time" 5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 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\@tzres.dll,-2872 = "Magallanes Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time" 5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2531 = "Chatham Islands Daylight Time" 5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time" 5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" 5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time" 5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-732 = "Fiji 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,-2592 = "Tocantins Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time" 5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time" 5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" 5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-52 = "Greenland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2631 = "Norfolk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" 5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exepowershell.exe5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid process 4636 powershell.exe 4636 powershell.exe 3600 5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exe 3600 5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exe 3032 powershell.exe 3032 powershell.exe 2616 5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exe 2616 5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exe 2616 5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exe 2616 5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exe 2616 5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exe 2616 5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exe 2616 5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exe 2616 5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exe 2616 5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exe 2616 5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exe 3396 powershell.exe 3396 powershell.exe 1408 powershell.exe 1408 powershell.exe 3188 powershell.exe 3188 powershell.exe 644 powershell.exe 644 powershell.exe 3704 powershell.exe 3704 powershell.exe 4216 injector.exe 4216 injector.exe 4216 injector.exe 4216 injector.exe 4216 injector.exe 4216 injector.exe 4912 csrss.exe 4912 csrss.exe 4216 injector.exe 4216 injector.exe 4216 injector.exe 4216 injector.exe 4216 injector.exe 4216 injector.exe 4912 csrss.exe 4912 csrss.exe 4216 injector.exe 4216 injector.exe 4216 injector.exe 4216 injector.exe 4216 injector.exe 4216 injector.exe 4912 csrss.exe 4912 csrss.exe 4216 injector.exe 4216 injector.exe 4216 injector.exe 4216 injector.exe 4216 injector.exe 4216 injector.exe 4216 injector.exe 4216 injector.exe 4216 injector.exe 4216 injector.exe 4216 injector.exe 4216 injector.exe 4216 injector.exe 4216 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid process Token: SeDebugPrivilege 4636 powershell.exe Token: SeDebugPrivilege 3600 5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exe Token: SeImpersonatePrivilege 3600 5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exe Token: SeDebugPrivilege 3032 powershell.exe Token: SeDebugPrivilege 3396 powershell.exe Token: SeDebugPrivilege 1408 powershell.exe Token: SeDebugPrivilege 3188 powershell.exe Token: SeDebugPrivilege 644 powershell.exe Token: SeDebugPrivilege 3704 powershell.exe Token: SeSystemEnvironmentPrivilege 4912 csrss.exe Token: SeSecurityPrivilege 3744 sc.exe Token: SeSecurityPrivilege 3744 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exe5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.execmd.execsrss.exewindefender.execmd.exedescription pid process target process PID 3600 wrote to memory of 4636 3600 5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exe schtasks.exe PID 3600 wrote to memory of 4636 3600 5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exe schtasks.exe PID 3600 wrote to memory of 4636 3600 5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exe schtasks.exe PID 2616 wrote to memory of 3032 2616 5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exe powershell.exe PID 2616 wrote to memory of 3032 2616 5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exe powershell.exe PID 2616 wrote to memory of 3032 2616 5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exe powershell.exe PID 2616 wrote to memory of 1384 2616 5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exe cmd.exe PID 2616 wrote to memory of 1384 2616 5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exe cmd.exe PID 1384 wrote to memory of 3776 1384 cmd.exe netsh.exe PID 1384 wrote to memory of 3776 1384 cmd.exe netsh.exe PID 2616 wrote to memory of 3396 2616 5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exe powershell.exe PID 2616 wrote to memory of 3396 2616 5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exe powershell.exe PID 2616 wrote to memory of 3396 2616 5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exe powershell.exe PID 2616 wrote to memory of 1408 2616 5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exe powershell.exe PID 2616 wrote to memory of 1408 2616 5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exe powershell.exe PID 2616 wrote to memory of 1408 2616 5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exe powershell.exe PID 2616 wrote to memory of 4912 2616 5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exe csrss.exe PID 2616 wrote to memory of 4912 2616 5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exe csrss.exe PID 2616 wrote to memory of 4912 2616 5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exe csrss.exe PID 4912 wrote to memory of 3188 4912 csrss.exe powershell.exe PID 4912 wrote to memory of 3188 4912 csrss.exe powershell.exe PID 4912 wrote to memory of 3188 4912 csrss.exe powershell.exe PID 4912 wrote to memory of 644 4912 csrss.exe powershell.exe PID 4912 wrote to memory of 644 4912 csrss.exe powershell.exe PID 4912 wrote to memory of 644 4912 csrss.exe powershell.exe PID 4912 wrote to memory of 3704 4912 csrss.exe powershell.exe PID 4912 wrote to memory of 3704 4912 csrss.exe powershell.exe PID 4912 wrote to memory of 3704 4912 csrss.exe powershell.exe PID 4912 wrote to memory of 4216 4912 csrss.exe injector.exe PID 4912 wrote to memory of 4216 4912 csrss.exe injector.exe PID 4248 wrote to memory of 1356 4248 windefender.exe cmd.exe PID 4248 wrote to memory of 1356 4248 windefender.exe cmd.exe PID 4248 wrote to memory of 1356 4248 windefender.exe cmd.exe PID 1356 wrote to memory of 3744 1356 cmd.exe sc.exe PID 1356 wrote to memory of 3744 1356 cmd.exe sc.exe PID 1356 wrote to memory of 3744 1356 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\5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exe"C:\Users\Admin\AppData\Local\Temp\5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3600 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4636 -
C:\Users\Admin\AppData\Local\Temp\5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exe"C:\Users\Admin\AppData\Local\Temp\5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.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:2616 -
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:3032 -
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:1384 -
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:3776 -
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:3396 -
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:1408 -
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:4912 -
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:3188 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:4636 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1344
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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:644 -
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:3704 -
C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exeC:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe taskmgr.exe C:\Users\Admin\AppData\Local\Temp\csrss\injector\NtQuerySystemInformationHook.dll4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:4216 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:5008 -
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4248 -
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:1356 -
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:3744
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1500
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
MD5bd4011459370d6f150545a1912e5b7f8
SHA1332006819101fb755c6522b60c65bb8f552a2f4e
SHA2567c701a63f77821e33bbd5095f6bdfe002c4b50924eedf52d224cf48c0efe4ab5
SHA5126454f03daf9addab23864e22d0eec923099521582e15c351cba0ce670f929d68cc94dfdce496d381de081b2f63894a51bcf26a7d42f51e9659250dfa70001fe4
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b47a8f0d692409299d2f51bd1e51e3f3
SHA1a1cbcfbf98481cb36af6374ede91338dae0eb462
SHA2562b160a39fbaf9552b40f0cf3324043b16ce66c97976b65b5d2fdfb17e29032bb
SHA51280772006bfe18908c949da976175508e6823958ff577e289d2b2ebbd87f7ae8361382beab701dd881a5d80a2568a518869cada78e3fe480d718d38f3883a529d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52f5f5278ab5ad4cc8382a7faf6908f60
SHA19c4d7bba9a2a24b6328a5147bb26dc2a3c48c5ec
SHA256eaa5e9a33d512cd5022edd097d072f1331274c30826115c596bc71f70fce1c30
SHA5124c8f7abe01859b8055698fe60f9224ba7e902fcdb0bdc23981c6225b7e810099ce473e732b46a2711ee2bd3b5c47a6a147af3d438c53d60115f27152ab7ccebc
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD551dc48a90ede03c354197e7b1422e21a
SHA10dbcabfc151b136018aff8294cf8f31f94bf93e5
SHA256e6f3aeb162eb44522890d81b3a781db3cae0fc7c09017eb8d1745ccdf9af6dfe
SHA51217bf39a7b7df9aa40972f7fb3501f50ab8d96cb85315087436335b688a9ea30fa6ce79615513af1788ca43aa1afa79b5dd4bd601ee16d61b6d84b1c23d58ed58
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD545269bd63ae9f99f8c59a995f65b89dc
SHA15e8cc8a9052d8222590384a23f9779eda1d0e60c
SHA256304b605bf087f36037daacd9578abee6790738020827592069b70330d02c0dfa
SHA512e29888e26c21c946bdebf5eb5b057b1b2dbaebb85b2352c7f6e91f6512cc8850e7e128f796b06f1165edb7e4ddc4a448598a14400761cbd0695067301f543827
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Filesize
4.2MB
MD5edb747df35bbc58371e0251806a4fbd1
SHA12c5db0c9b9c1667152d50572fd797e8d9ede5cc1
SHA2565d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9
SHA512afe3812b26f847fd4f4c8ef49c0c2d021e4154d3899fae6a9d220850a4b6d0b90b822644876998aa89efbea464c90b34a7802fc3b59217cfc51b58b74d1eb9bd
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec