Analysis
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max time kernel
149s -
max time network
142s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
19-05-2024 11:14
Static task
static1
Behavioral task
behavioral1
Sample
abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exe
Resource
win10v2004-20240508-en
General
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Target
abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exe
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Size
4.1MB
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MD5
bfc77870fcad48f856615d312559975a
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SHA1
287d403fe07847c573ce4738c452036446d10f1b
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SHA256
abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8
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SHA512
4630c50137325dcf49b2ab74c56da7a28b35b2b493694e56444843bf84d19bd982c29dc52d34db017049d3e8c45b39ed37d3130d951c67954485e85494e8b4ac
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SSDEEP
98304:1H+PiUxpnK5pcCD6RLXH4DRMjOnEmJ5mWZ44js55cU5wvI2L:1H+PiSfw6Rz4ejOEAZ44S5J5ww2L
Malware Config
Signatures
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Glupteba payload 19 IoCs
Processes:
resource yara_rule behavioral1/memory/2336-2-0x0000000004410000-0x0000000004CFB000-memory.dmp family_glupteba behavioral1/memory/2336-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2336-56-0x0000000004410000-0x0000000004CFB000-memory.dmp family_glupteba behavioral1/memory/2336-57-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2336-55-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/2768-136-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/3152-218-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/3152-227-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/3152-228-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/3152-230-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/3152-233-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/3152-235-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/3152-236-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/3152-238-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/3152-241-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/3152-243-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/3152-244-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/3152-246-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/3152-249-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 3060 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 3152 csrss.exe 1492 injector.exe 1832 windefender.exe 3372 windefender.exe -
Processes:
resource yara_rule behavioral1/files/0x0009000000023424-221.dat upx behavioral1/memory/1832-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3372-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1832-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3372-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3372-232-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3372-239-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.execsrss.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exe Set value (str) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
Processes:
csrss.exedescription ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
Processes:
abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exe -
Drops file in Windows directory 4 IoCs
Processes:
abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.execsrss.exedescription ioc Process File opened for modification C:\Windows\rss abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exe File created C:\Windows\rss\csrss.exe abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.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 3524 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 444 powershell.exe 4304 powershell.exe 2936 powershell.exe 5036 powershell.exe 1832 powershell.exe 4660 powershell.exe 4608 powershell.exe -
Program crash 2 IoCs
Processes:
WerFault.exeWerFault.exepid pid_target Process procid_target 4304 2336 WerFault.exe 82 2644 2768 WerFault.exe 95 -
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 4220 schtasks.exe 4240 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
powershell.exewindefender.exeabdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2611 = "Bougainville Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-511 = "Central Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time" abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time" abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time" abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot 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\2a\52C64B7E\@tzres.dll,-11 = "Azores Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-621 = "Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs 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\2a\52C64B7E\@tzres.dll,-892 = "Morocco Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-752 = "Tonga Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time" abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-571 = "China Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2062 = "North Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time" abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time" abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time" abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-411 = "E. Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-492 = "India Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-192 = "Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-301 = "Romance Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-792 = "SA Western Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time" abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1021 = "Bangladesh Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-362 = "GTB Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates 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\2a\52C64B7E\@tzres.dll,-2531 = "Chatham Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-262 = "GMT Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time" abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time" abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time" abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time" abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2841 = "Saratov Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time" abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1822 = "Russia TZ 1 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-772 = "Montevideo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2321 = "Sakhalin Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-162 = "Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-731 = "Fiji Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-371 = "Jerusalem Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2491 = "Aus Central W. Daylight Time" abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time" abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2162 = "Altai Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exeabdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exepowershell.exeabdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 1832 powershell.exe 1832 powershell.exe 2336 abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exe 2336 abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exe 4660 powershell.exe 4660 powershell.exe 2768 abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exe 2768 abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exe 2768 abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exe 2768 abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exe 2768 abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exe 2768 abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exe 2768 abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exe 2768 abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exe 2768 abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exe 2768 abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exe 4608 powershell.exe 4608 powershell.exe 444 powershell.exe 444 powershell.exe 4304 powershell.exe 4304 powershell.exe 2936 powershell.exe 2936 powershell.exe 5036 powershell.exe 5036 powershell.exe 1492 injector.exe 1492 injector.exe 1492 injector.exe 1492 injector.exe 1492 injector.exe 1492 injector.exe 3152 csrss.exe 3152 csrss.exe 1492 injector.exe 1492 injector.exe 1492 injector.exe 1492 injector.exe 1492 injector.exe 1492 injector.exe 3152 csrss.exe 3152 csrss.exe 1492 injector.exe 1492 injector.exe 3152 csrss.exe 3152 csrss.exe 1492 injector.exe 1492 injector.exe 1492 injector.exe 1492 injector.exe 1492 injector.exe 1492 injector.exe 1492 injector.exe 1492 injector.exe 1492 injector.exe 1492 injector.exe 1492 injector.exe 1492 injector.exe 1492 injector.exe 1492 injector.exe 1492 injector.exe 1492 injector.exe 1492 injector.exe 1492 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exeabdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 1832 powershell.exe Token: SeDebugPrivilege 2336 abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exe Token: SeImpersonatePrivilege 2336 abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exe Token: SeDebugPrivilege 4660 powershell.exe Token: SeDebugPrivilege 4608 powershell.exe Token: SeDebugPrivilege 444 powershell.exe Token: SeDebugPrivilege 4304 powershell.exe Token: SeDebugPrivilege 2936 powershell.exe Token: SeDebugPrivilege 5036 powershell.exe Token: SeSystemEnvironmentPrivilege 3152 csrss.exe Token: SeSecurityPrivilege 3524 sc.exe Token: SeSecurityPrivilege 3524 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exeabdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 2336 wrote to memory of 1832 2336 abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exe 86 PID 2336 wrote to memory of 1832 2336 abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exe 86 PID 2336 wrote to memory of 1832 2336 abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exe 86 PID 2768 wrote to memory of 4660 2768 abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exe 100 PID 2768 wrote to memory of 4660 2768 abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exe 100 PID 2768 wrote to memory of 4660 2768 abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exe 100 PID 2768 wrote to memory of 2356 2768 abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exe 103 PID 2768 wrote to memory of 2356 2768 abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exe 103 PID 2356 wrote to memory of 3060 2356 cmd.exe 105 PID 2356 wrote to memory of 3060 2356 cmd.exe 105 PID 2768 wrote to memory of 4608 2768 abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exe 106 PID 2768 wrote to memory of 4608 2768 abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exe 106 PID 2768 wrote to memory of 4608 2768 abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exe 106 PID 2768 wrote to memory of 444 2768 abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exe 109 PID 2768 wrote to memory of 444 2768 abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exe 109 PID 2768 wrote to memory of 444 2768 abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exe 109 PID 2768 wrote to memory of 3152 2768 abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exe 111 PID 2768 wrote to memory of 3152 2768 abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exe 111 PID 2768 wrote to memory of 3152 2768 abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exe 111 PID 3152 wrote to memory of 4304 3152 csrss.exe 114 PID 3152 wrote to memory of 4304 3152 csrss.exe 114 PID 3152 wrote to memory of 4304 3152 csrss.exe 114 PID 3152 wrote to memory of 2936 3152 csrss.exe 120 PID 3152 wrote to memory of 2936 3152 csrss.exe 120 PID 3152 wrote to memory of 2936 3152 csrss.exe 120 PID 3152 wrote to memory of 5036 3152 csrss.exe 122 PID 3152 wrote to memory of 5036 3152 csrss.exe 122 PID 3152 wrote to memory of 5036 3152 csrss.exe 122 PID 3152 wrote to memory of 1492 3152 csrss.exe 124 PID 3152 wrote to memory of 1492 3152 csrss.exe 124 PID 1832 wrote to memory of 1776 1832 windefender.exe 132 PID 1832 wrote to memory of 1776 1832 windefender.exe 132 PID 1832 wrote to memory of 1776 1832 windefender.exe 132 PID 1776 wrote to memory of 3524 1776 cmd.exe 133 PID 1776 wrote to memory of 3524 1776 cmd.exe 133 PID 1776 wrote to memory of 3524 1776 cmd.exe 133 -
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\abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exe"C:\Users\Admin\AppData\Local\Temp\abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2336 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1832
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C:\Users\Admin\AppData\Local\Temp\abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exe"C:\Users\Admin\AppData\Local\Temp\abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.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:2768 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4660
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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:2356 -
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:3060
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4608
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:444
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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:3152 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4304
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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:4220
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:404
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2936
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5036
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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:1492
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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:4240
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1832 -
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:1776 -
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:3524
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2768 -s 9363⤵
- Program crash
PID:2644
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2336 -s 7602⤵
- Program crash
PID:4304
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2336 -ip 23361⤵PID:4228
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 2768 -ip 27681⤵PID:532
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3372
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
MD54996d5486db90fbfa74cab1c3b3b7d96
SHA1f4763ffc8be5baad79406a5377a20ef39c801bfb
SHA25664f3eb99e4baa620ded13ae18ab048924760dcc287292f1bfa02b8dc248d1836
SHA512fd16918a2556314248cca055188d876e302d83369e2b25b0bb3999d5e79e89860ada3589a0bc9f432e28ecc0195dd930b5f11ba61ff9aa46ece89004c2d05fef
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a9706c6486f7b464d2ca15d00812257c
SHA1e820cb64a663f8ed4bb0378378e1aba80df222cf
SHA256293f9e020ac4356890e6b16f1f985bee186fdd9d47f48e1dced5605b604d1be6
SHA5120add065bea0875162d3d8962b5784ecc04245acc635461cb077d200b7b22c53f92f1098330bb396863eb857af07a7103141e3531686e36690a781663d58ebcba
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d59aa8d086de6242d4bddf8a9de9893b
SHA1d4c51cf637b95d7b19574b9757ffd4514f7eeae3
SHA256f3579b4972ae89ac44ac5f1c7d39d4b52a761fe7b64f4228045e2171435fe4be
SHA51281ef58debea7b3754f13195180664d1c6b16179008b3477bdf9ab2845c35d7c56a7dbaf05daffb3a295991d9b11585ea3f896a7c40fd561b9b083ac0beee792e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f764bc4d4998b5bcdaab04acd2ed1f21
SHA157d5b9d1ec66846367c1f1b7b8a0c5707e703726
SHA256171517df50dca702f3e04c3c843e7f5fd827cc9c644c6cc98f3b13ed5efdfb77
SHA512b268fe8a5214c13a74f20e826c386a8f6bc5c642d41663f30eec5dc5b3384557a778e6314b0c07a493fcd2ed1c24dae37accb2d93775b8c729604e83cab3be8b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5620cf341ced86bcd76bbf2558727f09c
SHA151826009e9236c49529dde02058f61ccae0e0bdf
SHA2564ef153b54f886739552854d50bab19e08a5a9a58010985b05ea21af09e9a11cc
SHA512f3dd7ff3e1f377a0748ceabae7200ca3650213db658396d0660f7caacd68b6c30054e7ac17564c8ab3c1b3c9d4d1c75b72028e7368eb37a55e2bb6f0f0c1f906
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Filesize
4.1MB
MD5bfc77870fcad48f856615d312559975a
SHA1287d403fe07847c573ce4738c452036446d10f1b
SHA256abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8
SHA5124630c50137325dcf49b2ab74c56da7a28b35b2b493694e56444843bf84d19bd982c29dc52d34db017049d3e8c45b39ed37d3130d951c67954485e85494e8b4ac
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec