Analysis
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max time kernel
150s -
max time network
145s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
19-04-2024 09:23
Static task
static1
Behavioral task
behavioral1
Sample
ea5d8260b854616bf0ec45828e2c5a636338fc8c8f4023598913f7357909b5eb.exe
Resource
win10v2004-20240412-en
General
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Target
ea5d8260b854616bf0ec45828e2c5a636338fc8c8f4023598913f7357909b5eb.exe
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Size
4.2MB
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MD5
04c0284fe58351a338541e5e6cbba064
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SHA1
fa3fd26d02c3ccd68df60fe4a28ba69c626da566
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SHA256
ea5d8260b854616bf0ec45828e2c5a636338fc8c8f4023598913f7357909b5eb
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SHA512
9c3b51c762b65e9cff2f2e8d5d6a7a30b6b19b568dfe9d3dd2ea7ffcf0290f1cc6beab3e7a87c6dfab1bd2714fbff7d0a813b9f67c56444718d4b116f1a51585
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SSDEEP
98304:1IBNXOOfwLGhP6KRoj027D5HGyNAiNcOh9MZ99WifgA28ff94Zn:cjfa7j0YDNAHCC9Miz28ffE
Malware Config
Signatures
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Glupteba payload 19 IoCs
Processes:
resource yara_rule behavioral1/memory/2912-2-0x0000000000400000-0x0000000003111000-memory.dmp family_glupteba behavioral1/memory/2912-3-0x0000000005130000-0x0000000005A1B000-memory.dmp family_glupteba behavioral1/memory/4284-55-0x0000000005190000-0x0000000005A7B000-memory.dmp family_glupteba behavioral1/memory/4284-66-0x0000000000400000-0x0000000003111000-memory.dmp family_glupteba behavioral1/memory/2912-83-0x0000000000400000-0x0000000003111000-memory.dmp family_glupteba behavioral1/memory/4284-218-0x0000000000400000-0x0000000003111000-memory.dmp family_glupteba behavioral1/memory/4528-255-0x0000000000400000-0x0000000003111000-memory.dmp family_glupteba behavioral1/memory/4528-266-0x0000000000400000-0x0000000003111000-memory.dmp family_glupteba behavioral1/memory/4528-270-0x0000000000400000-0x0000000003111000-memory.dmp family_glupteba behavioral1/memory/4528-274-0x0000000000400000-0x0000000003111000-memory.dmp family_glupteba behavioral1/memory/4528-278-0x0000000000400000-0x0000000003111000-memory.dmp family_glupteba behavioral1/memory/4528-282-0x0000000000400000-0x0000000003111000-memory.dmp family_glupteba behavioral1/memory/4528-286-0x0000000000400000-0x0000000003111000-memory.dmp family_glupteba behavioral1/memory/4528-290-0x0000000000400000-0x0000000003111000-memory.dmp family_glupteba behavioral1/memory/4528-294-0x0000000000400000-0x0000000003111000-memory.dmp family_glupteba behavioral1/memory/4528-298-0x0000000000400000-0x0000000003111000-memory.dmp family_glupteba behavioral1/memory/4528-302-0x0000000000400000-0x0000000003111000-memory.dmp family_glupteba behavioral1/memory/4528-306-0x0000000000400000-0x0000000003111000-memory.dmp family_glupteba behavioral1/memory/4528-310-0x0000000000400000-0x0000000003111000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 2088 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid process 4528 csrss.exe 760 injector.exe 4896 windefender.exe 3020 windefender.exe -
Processes:
resource yara_rule C:\Windows\windefender.exe upx behavioral1/memory/4896-264-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3020-268-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3020-276-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
ea5d8260b854616bf0ec45828e2c5a636338fc8c8f4023598913f7357909b5eb.execsrss.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-4084619521-2220719027-1909462854-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" ea5d8260b854616bf0ec45828e2c5a636338fc8c8f4023598913f7357909b5eb.exe Set value (str) \REGISTRY\USER\S-1-5-21-4084619521-2220719027-1909462854-1000\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:
ea5d8260b854616bf0ec45828e2c5a636338fc8c8f4023598913f7357909b5eb.exedescription ioc process File opened (read-only) \??\VBoxMiniRdrDN ea5d8260b854616bf0ec45828e2c5a636338fc8c8f4023598913f7357909b5eb.exe -
Drops file in Windows directory 4 IoCs
Processes:
ea5d8260b854616bf0ec45828e2c5a636338fc8c8f4023598913f7357909b5eb.execsrss.exedescription ioc process File opened for modification C:\Windows\rss ea5d8260b854616bf0ec45828e2c5a636338fc8c8f4023598913f7357909b5eb.exe File created C:\Windows\rss\csrss.exe ea5d8260b854616bf0ec45828e2c5a636338fc8c8f4023598913f7357909b5eb.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 984 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 3936 schtasks.exe 968 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
windefender.exeea5d8260b854616bf0ec45828e2c5a636338fc8c8f4023598913f7357909b5eb.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time" ea5d8260b854616bf0ec45828e2c5a636338fc8c8f4023598913f7357909b5eb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time" ea5d8260b854616bf0ec45828e2c5a636338fc8c8f4023598913f7357909b5eb.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,-2492 = "Aus Central W. Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-282 = "Central Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-372 = "Jerusalem Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-41 = "E. South America Daylight Time" ea5d8260b854616bf0ec45828e2c5a636338fc8c8f4023598913f7357909b5eb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time" ea5d8260b854616bf0ec45828e2c5a636338fc8c8f4023598913f7357909b5eb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" ea5d8260b854616bf0ec45828e2c5a636338fc8c8f4023598913f7357909b5eb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-561 = "SE Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2491 = "Aus Central W. Daylight Time" ea5d8260b854616bf0ec45828e2c5a636338fc8c8f4023598913f7357909b5eb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" ea5d8260b854616bf0ec45828e2c5a636338fc8c8f4023598913f7357909b5eb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time" ea5d8260b854616bf0ec45828e2c5a636338fc8c8f4023598913f7357909b5eb.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,-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,-1841 = "Russia TZ 4 Daylight Time" ea5d8260b854616bf0ec45828e2c5a636338fc8c8f4023598913f7357909b5eb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2531 = "Chatham Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-621 = "Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-211 = "Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time" ea5d8260b854616bf0ec45828e2c5a636338fc8c8f4023598913f7357909b5eb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" ea5d8260b854616bf0ec45828e2c5a636338fc8c8f4023598913f7357909b5eb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time" ea5d8260b854616bf0ec45828e2c5a636338fc8c8f4023598913f7357909b5eb.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,-681 = "E. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-491 = "India Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-932 = "Coordinated Universal Time" windefender.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\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time" ea5d8260b854616bf0ec45828e2c5a636338fc8c8f4023598913f7357909b5eb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time" ea5d8260b854616bf0ec45828e2c5a636338fc8c8f4023598913f7357909b5eb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)" ea5d8260b854616bf0ec45828e2c5a636338fc8c8f4023598913f7357909b5eb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" ea5d8260b854616bf0ec45828e2c5a636338fc8c8f4023598913f7357909b5eb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time" ea5d8260b854616bf0ec45828e2c5a636338fc8c8f4023598913f7357909b5eb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" ea5d8260b854616bf0ec45828e2c5a636338fc8c8f4023598913f7357909b5eb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-152 = "Central America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-841 = "Argentina Daylight Time" windefender.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\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" ea5d8260b854616bf0ec45828e2c5a636338fc8c8f4023598913f7357909b5eb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time" ea5d8260b854616bf0ec45828e2c5a636338fc8c8f4023598913f7357909b5eb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-432 = "Iran Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1862 = "Russia TZ 6 Standard Time" ea5d8260b854616bf0ec45828e2c5a636338fc8c8f4023598913f7357909b5eb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" ea5d8260b854616bf0ec45828e2c5a636338fc8c8f4023598913f7357909b5eb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-501 = "Nepal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-962 = "Paraguay Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" ea5d8260b854616bf0ec45828e2c5a636338fc8c8f4023598913f7357909b5eb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time" ea5d8260b854616bf0ec45828e2c5a636338fc8c8f4023598913f7357909b5eb.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exeea5d8260b854616bf0ec45828e2c5a636338fc8c8f4023598913f7357909b5eb.exepowershell.exeea5d8260b854616bf0ec45828e2c5a636338fc8c8f4023598913f7357909b5eb.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid process 1844 powershell.exe 1844 powershell.exe 2912 ea5d8260b854616bf0ec45828e2c5a636338fc8c8f4023598913f7357909b5eb.exe 2912 ea5d8260b854616bf0ec45828e2c5a636338fc8c8f4023598913f7357909b5eb.exe 3752 powershell.exe 3752 powershell.exe 4284 ea5d8260b854616bf0ec45828e2c5a636338fc8c8f4023598913f7357909b5eb.exe 4284 ea5d8260b854616bf0ec45828e2c5a636338fc8c8f4023598913f7357909b5eb.exe 4284 ea5d8260b854616bf0ec45828e2c5a636338fc8c8f4023598913f7357909b5eb.exe 4284 ea5d8260b854616bf0ec45828e2c5a636338fc8c8f4023598913f7357909b5eb.exe 4284 ea5d8260b854616bf0ec45828e2c5a636338fc8c8f4023598913f7357909b5eb.exe 4284 ea5d8260b854616bf0ec45828e2c5a636338fc8c8f4023598913f7357909b5eb.exe 4284 ea5d8260b854616bf0ec45828e2c5a636338fc8c8f4023598913f7357909b5eb.exe 4284 ea5d8260b854616bf0ec45828e2c5a636338fc8c8f4023598913f7357909b5eb.exe 4284 ea5d8260b854616bf0ec45828e2c5a636338fc8c8f4023598913f7357909b5eb.exe 4284 ea5d8260b854616bf0ec45828e2c5a636338fc8c8f4023598913f7357909b5eb.exe 3180 powershell.exe 3180 powershell.exe 2304 powershell.exe 2304 powershell.exe 4180 powershell.exe 4180 powershell.exe 2560 powershell.exe 2560 powershell.exe 3740 powershell.exe 3740 powershell.exe 760 injector.exe 760 injector.exe 760 injector.exe 760 injector.exe 760 injector.exe 760 injector.exe 4528 csrss.exe 4528 csrss.exe 760 injector.exe 760 injector.exe 760 injector.exe 760 injector.exe 760 injector.exe 760 injector.exe 4528 csrss.exe 4528 csrss.exe 760 injector.exe 760 injector.exe 760 injector.exe 760 injector.exe 4528 csrss.exe 4528 csrss.exe 760 injector.exe 760 injector.exe 760 injector.exe 760 injector.exe 760 injector.exe 760 injector.exe 760 injector.exe 760 injector.exe 760 injector.exe 760 injector.exe 760 injector.exe 760 injector.exe 760 injector.exe 760 injector.exe 760 injector.exe 760 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exeea5d8260b854616bf0ec45828e2c5a636338fc8c8f4023598913f7357909b5eb.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid process Token: SeDebugPrivilege 1844 powershell.exe Token: SeDebugPrivilege 2912 ea5d8260b854616bf0ec45828e2c5a636338fc8c8f4023598913f7357909b5eb.exe Token: SeImpersonatePrivilege 2912 ea5d8260b854616bf0ec45828e2c5a636338fc8c8f4023598913f7357909b5eb.exe Token: SeDebugPrivilege 3752 powershell.exe Token: SeDebugPrivilege 3180 powershell.exe Token: SeDebugPrivilege 2304 powershell.exe Token: SeDebugPrivilege 4180 powershell.exe Token: SeDebugPrivilege 2560 powershell.exe Token: SeDebugPrivilege 3740 powershell.exe Token: SeSystemEnvironmentPrivilege 4528 csrss.exe Token: SeSecurityPrivilege 984 sc.exe Token: SeSecurityPrivilege 984 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
ea5d8260b854616bf0ec45828e2c5a636338fc8c8f4023598913f7357909b5eb.exeea5d8260b854616bf0ec45828e2c5a636338fc8c8f4023598913f7357909b5eb.execmd.execsrss.exewindefender.execmd.exedescription pid process target process PID 2912 wrote to memory of 1844 2912 ea5d8260b854616bf0ec45828e2c5a636338fc8c8f4023598913f7357909b5eb.exe powershell.exe PID 2912 wrote to memory of 1844 2912 ea5d8260b854616bf0ec45828e2c5a636338fc8c8f4023598913f7357909b5eb.exe powershell.exe PID 2912 wrote to memory of 1844 2912 ea5d8260b854616bf0ec45828e2c5a636338fc8c8f4023598913f7357909b5eb.exe powershell.exe PID 4284 wrote to memory of 3752 4284 ea5d8260b854616bf0ec45828e2c5a636338fc8c8f4023598913f7357909b5eb.exe powershell.exe PID 4284 wrote to memory of 3752 4284 ea5d8260b854616bf0ec45828e2c5a636338fc8c8f4023598913f7357909b5eb.exe powershell.exe PID 4284 wrote to memory of 3752 4284 ea5d8260b854616bf0ec45828e2c5a636338fc8c8f4023598913f7357909b5eb.exe powershell.exe PID 4284 wrote to memory of 232 4284 ea5d8260b854616bf0ec45828e2c5a636338fc8c8f4023598913f7357909b5eb.exe cmd.exe PID 4284 wrote to memory of 232 4284 ea5d8260b854616bf0ec45828e2c5a636338fc8c8f4023598913f7357909b5eb.exe cmd.exe PID 232 wrote to memory of 2088 232 cmd.exe netsh.exe PID 232 wrote to memory of 2088 232 cmd.exe netsh.exe PID 4284 wrote to memory of 3180 4284 ea5d8260b854616bf0ec45828e2c5a636338fc8c8f4023598913f7357909b5eb.exe powershell.exe PID 4284 wrote to memory of 3180 4284 ea5d8260b854616bf0ec45828e2c5a636338fc8c8f4023598913f7357909b5eb.exe powershell.exe PID 4284 wrote to memory of 3180 4284 ea5d8260b854616bf0ec45828e2c5a636338fc8c8f4023598913f7357909b5eb.exe powershell.exe PID 4284 wrote to memory of 2304 4284 ea5d8260b854616bf0ec45828e2c5a636338fc8c8f4023598913f7357909b5eb.exe powershell.exe PID 4284 wrote to memory of 2304 4284 ea5d8260b854616bf0ec45828e2c5a636338fc8c8f4023598913f7357909b5eb.exe powershell.exe PID 4284 wrote to memory of 2304 4284 ea5d8260b854616bf0ec45828e2c5a636338fc8c8f4023598913f7357909b5eb.exe powershell.exe PID 4284 wrote to memory of 4528 4284 ea5d8260b854616bf0ec45828e2c5a636338fc8c8f4023598913f7357909b5eb.exe csrss.exe PID 4284 wrote to memory of 4528 4284 ea5d8260b854616bf0ec45828e2c5a636338fc8c8f4023598913f7357909b5eb.exe csrss.exe PID 4284 wrote to memory of 4528 4284 ea5d8260b854616bf0ec45828e2c5a636338fc8c8f4023598913f7357909b5eb.exe csrss.exe PID 4528 wrote to memory of 4180 4528 csrss.exe powershell.exe PID 4528 wrote to memory of 4180 4528 csrss.exe powershell.exe PID 4528 wrote to memory of 4180 4528 csrss.exe powershell.exe PID 4528 wrote to memory of 2560 4528 csrss.exe powershell.exe PID 4528 wrote to memory of 2560 4528 csrss.exe powershell.exe PID 4528 wrote to memory of 2560 4528 csrss.exe powershell.exe PID 4528 wrote to memory of 3740 4528 csrss.exe powershell.exe PID 4528 wrote to memory of 3740 4528 csrss.exe powershell.exe PID 4528 wrote to memory of 3740 4528 csrss.exe powershell.exe PID 4528 wrote to memory of 760 4528 csrss.exe injector.exe PID 4528 wrote to memory of 760 4528 csrss.exe injector.exe PID 4896 wrote to memory of 4580 4896 windefender.exe cmd.exe PID 4896 wrote to memory of 4580 4896 windefender.exe cmd.exe PID 4896 wrote to memory of 4580 4896 windefender.exe cmd.exe PID 4580 wrote to memory of 984 4580 cmd.exe sc.exe PID 4580 wrote to memory of 984 4580 cmd.exe sc.exe PID 4580 wrote to memory of 984 4580 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\ea5d8260b854616bf0ec45828e2c5a636338fc8c8f4023598913f7357909b5eb.exe"C:\Users\Admin\AppData\Local\Temp\ea5d8260b854616bf0ec45828e2c5a636338fc8c8f4023598913f7357909b5eb.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2912 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1844
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C:\Users\Admin\AppData\Local\Temp\ea5d8260b854616bf0ec45828e2c5a636338fc8c8f4023598913f7357909b5eb.exe"C:\Users\Admin\AppData\Local\Temp\ea5d8260b854616bf0ec45828e2c5a636338fc8c8f4023598913f7357909b5eb.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:4284 -
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:3752
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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:232 -
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:2088
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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:3180
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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:2304
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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:4528 -
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:4180
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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:3936
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4076
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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:2560
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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:3740
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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:760
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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:968
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4896 -
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:4580 -
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:984
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3020
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
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD566832519d27608c0a9af18b556fb672d
SHA1297b414d9f7b7fc37f4b6ec390bc55d8a9dc5a61
SHA256aa7441d351716e1c1f247f8cfa52c2a2e65e001bc0947fdc485c04c0bce8d6a9
SHA512bd99618cd9f4d23e6ea9f81bf6b3c013eaf310cceb42427feaf08adabb9be692142e97d962f384884f9affb94cab1fee5c785f4cedfa4f44eff29e4853bc9521
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a07cdec441f57b683d3c403d965b3a71
SHA14bb2f34b50dff47f82cf9f6ed927dc39287f2d83
SHA256925280a84f9ed68fc1492564f17f50d5a7f7ca3424b23d525ab9c11f8e2760ad
SHA512af22ca1cacf4ba77cec2e089ae781292d409015a218e7b53fa50ed929ca2670dc6ed37785aa39d0d7744f62b304c397d934fd7fd07b5229d084d167fd19d64f1
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59000e8d7551078e73d24a269b864c3eb
SHA136685831bcaf4d77acf7e6b390671d3ab442ae1d
SHA256efa83c49f5eaddcf161f66989f4222517fea7a006c82eb19af49c83def42f426
SHA512a033a6afacfeea5df0b24df57789c0bdc6d7011597d8f23caa25e424dd2c0bce4978278c749caefac14c3636fa67ac798dc41905a1bb761fc155d7edf3e4475e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5721e8803c375a8cd4f2a0fc3076f4c0b
SHA126014a8adf54c510a7e311ba85543d43cf5b615a
SHA25685b4c10c21390c1dbbf2b64e85f2a9275e5b7c9c3f3d7ea67a6e581bf2429938
SHA512ffb85aa72a6dc44864bc11bd30bd7247909991f0a95de831b150c3f69149ff2fc4feff3951af5ff69db0e880014851ebd6d93c0ddaf8e0ed2908f6401a1bca6d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD527ba43752335dbe7c9391634b950cdaf
SHA102a8780c77368ed676bc1072806e19cce366354a
SHA2564fba083dc67ab8c22b806c84d916f45d2f06ca6170e820efee5582e890f03222
SHA512aab56065a6f5d895ba56a1d48accbf9aa70bf9fc21895552ba62ec2d4345a8c3c8ba77678572fb640f1bfd691595febad87bad2c5d3e8d5a2620708a2134bfc8
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Filesize
4.2MB
MD504c0284fe58351a338541e5e6cbba064
SHA1fa3fd26d02c3ccd68df60fe4a28ba69c626da566
SHA256ea5d8260b854616bf0ec45828e2c5a636338fc8c8f4023598913f7357909b5eb
SHA5129c3b51c762b65e9cff2f2e8d5d6a7a30b6b19b568dfe9d3dd2ea7ffcf0290f1cc6beab3e7a87c6dfab1bd2714fbff7d0a813b9f67c56444718d4b116f1a51585
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec