Analysis
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max time kernel
149s -
max time network
150s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
19-05-2024 11:17
Static task
static1
Behavioral task
behavioral1
Sample
b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe
Resource
win10v2004-20240426-en
General
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Target
b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe
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Size
4.1MB
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MD5
4c13a7b9fa15748f918c7ebc8692feb7
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SHA1
a83a2575e3a1a16266e9ce27832a1850347aeb74
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SHA256
b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770
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SHA512
bcf0be98fc76abeec8989bd71251a3f95708fc1007b4a0518b2e20b74c2c7d1b8448040762609cd80261871bc1565c9e6b62342b77b235fc3bbe4d9a4a81dc11
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SSDEEP
98304:lH+PiUxpnK5pcCD6RLXH4DRMjOnEmJ5mWZ44js55cU5wvI2b:lH+PiSfw6Rz4ejOEAZ44S5J5ww2b
Malware Config
Signatures
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Glupteba payload 19 IoCs
Processes:
resource yara_rule behavioral2/memory/3580-2-0x0000000004570000-0x0000000004E5B000-memory.dmp family_glupteba behavioral2/memory/3580-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3580-53-0x0000000004570000-0x0000000004E5B000-memory.dmp family_glupteba behavioral2/memory/3580-54-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3580-51-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/488-125-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/1464-202-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/1464-212-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/1464-214-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/1464-216-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/1464-218-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/1464-220-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/1464-222-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/1464-224-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/1464-226-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/1464-228-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/1464-230-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/1464-232-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/1464-234-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 4576 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 1464 csrss.exe 996 injector.exe 3924 windefender.exe 3204 windefender.exe -
Processes:
resource yara_rule behavioral2/files/0x000200000002a9e3-205.dat upx behavioral2/memory/3924-207-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3924-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3204-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3204-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3204-217-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
csrss.exeb92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1696768468-2170909707-4198977321-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-1696768468-2170909707-4198977321-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.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:
b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe -
Drops file in Windows directory 4 IoCs
Processes:
b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.execsrss.exedescription ioc Process File created C:\Windows\rss\csrss.exe b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
Processes:
sc.exepid Process 232 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 4948 powershell.exe 3308 powershell.exe 4512 powershell.exe 4224 powershell.exe 3756 powershell.exe 1212 powershell.exe 3596 powershell.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 2796 schtasks.exe 1104 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exepowershell.exewindefender.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time" b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.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\2a\52C64B7E\@tzres.dll,-2322 = "Sakhalin Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.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\@tzres.dll,-2891 = "Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time" b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time" b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time" b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-452 = "Caucasus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1722 = "Libya 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,-931 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2771 = "Omsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time" b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-12 = "Azores Standard 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,-2002 = "Cabo Verde Standard Time" b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time" b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.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,-462 = "Afghanistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-512 = "Central Asia Standard Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-212 = "Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-241 = "Samoa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time" b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time" b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-441 = "Arabian 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\@tzres.dll,-251 = "Dateline Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time" b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-841 = "Argentina Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-682 = "E. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time" b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time" b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time" b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time" b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time" b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-352 = "FLE Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exeb92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exepowershell.exeb92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 4512 powershell.exe 4512 powershell.exe 3580 b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe 3580 b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe 4224 powershell.exe 4224 powershell.exe 488 b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe 488 b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe 488 b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe 488 b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe 488 b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe 488 b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe 488 b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe 488 b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe 488 b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe 488 b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe 3756 powershell.exe 3756 powershell.exe 1212 powershell.exe 1212 powershell.exe 3596 powershell.exe 3596 powershell.exe 4948 powershell.exe 4948 powershell.exe 3308 powershell.exe 3308 powershell.exe 996 injector.exe 996 injector.exe 996 injector.exe 996 injector.exe 996 injector.exe 996 injector.exe 1464 csrss.exe 1464 csrss.exe 996 injector.exe 996 injector.exe 996 injector.exe 996 injector.exe 996 injector.exe 996 injector.exe 1464 csrss.exe 1464 csrss.exe 996 injector.exe 996 injector.exe 996 injector.exe 996 injector.exe 1464 csrss.exe 1464 csrss.exe 996 injector.exe 996 injector.exe 996 injector.exe 996 injector.exe 996 injector.exe 996 injector.exe 996 injector.exe 996 injector.exe 996 injector.exe 996 injector.exe 996 injector.exe 996 injector.exe 996 injector.exe 996 injector.exe 996 injector.exe 996 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exeb92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 4512 powershell.exe Token: SeDebugPrivilege 3580 b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe Token: SeImpersonatePrivilege 3580 b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe Token: SeDebugPrivilege 4224 powershell.exe Token: SeDebugPrivilege 3756 powershell.exe Token: SeDebugPrivilege 1212 powershell.exe Token: SeDebugPrivilege 3596 powershell.exe Token: SeDebugPrivilege 4948 powershell.exe Token: SeDebugPrivilege 3308 powershell.exe Token: SeSystemEnvironmentPrivilege 1464 csrss.exe Token: SeSecurityPrivilege 232 sc.exe Token: SeSecurityPrivilege 232 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exeb92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 3580 wrote to memory of 4512 3580 b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe 79 PID 3580 wrote to memory of 4512 3580 b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe 79 PID 3580 wrote to memory of 4512 3580 b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe 79 PID 488 wrote to memory of 4224 488 b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe 84 PID 488 wrote to memory of 4224 488 b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe 84 PID 488 wrote to memory of 4224 488 b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe 84 PID 488 wrote to memory of 1484 488 b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe 86 PID 488 wrote to memory of 1484 488 b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe 86 PID 1484 wrote to memory of 4576 1484 cmd.exe 88 PID 1484 wrote to memory of 4576 1484 cmd.exe 88 PID 488 wrote to memory of 3756 488 b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe 89 PID 488 wrote to memory of 3756 488 b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe 89 PID 488 wrote to memory of 3756 488 b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe 89 PID 488 wrote to memory of 1212 488 b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe 91 PID 488 wrote to memory of 1212 488 b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe 91 PID 488 wrote to memory of 1212 488 b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe 91 PID 488 wrote to memory of 1464 488 b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe 93 PID 488 wrote to memory of 1464 488 b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe 93 PID 488 wrote to memory of 1464 488 b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe 93 PID 1464 wrote to memory of 3596 1464 csrss.exe 94 PID 1464 wrote to memory of 3596 1464 csrss.exe 94 PID 1464 wrote to memory of 3596 1464 csrss.exe 94 PID 1464 wrote to memory of 4948 1464 csrss.exe 100 PID 1464 wrote to memory of 4948 1464 csrss.exe 100 PID 1464 wrote to memory of 4948 1464 csrss.exe 100 PID 1464 wrote to memory of 3308 1464 csrss.exe 102 PID 1464 wrote to memory of 3308 1464 csrss.exe 102 PID 1464 wrote to memory of 3308 1464 csrss.exe 102 PID 1464 wrote to memory of 996 1464 csrss.exe 104 PID 1464 wrote to memory of 996 1464 csrss.exe 104 PID 3924 wrote to memory of 3060 3924 windefender.exe 110 PID 3924 wrote to memory of 3060 3924 windefender.exe 110 PID 3924 wrote to memory of 3060 3924 windefender.exe 110 PID 3060 wrote to memory of 232 3060 cmd.exe 111 PID 3060 wrote to memory of 232 3060 cmd.exe 111 PID 3060 wrote to memory of 232 3060 cmd.exe 111 -
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\b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe"C:\Users\Admin\AppData\Local\Temp\b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3580 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4512
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C:\Users\Admin\AppData\Local\Temp\b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe"C:\Users\Admin\AppData\Local\Temp\b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.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:488 -
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:4224
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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:1484 -
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:4576
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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:3756
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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:1212
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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:1464 -
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:3596
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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:1104
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4036
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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:4948
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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:3308
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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:996
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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:2796
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3924 -
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:3060 -
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:232
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3204
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
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b442ee8af690d61b4fefe865bb8f9916
SHA16221356e0730be4fac60620b7e214e7c68a56c3d
SHA256af2ce0f01b39e3c681fbedee6fb8496053a3a203a38819f5fcb698c051baac38
SHA5127bb28a6ac93439ad70f9a7d641658ded306cf8e23888ad115441d8b79a8b861c742640d499b49a95e9fdd8e2fb960763cb786c89dc667a70842c7a35588f9e4a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5324529877bef586435c9ff3bd69e5eb1
SHA13a9a755c0e07889f3596187c16b3b54489e5755c
SHA25685a21a0025a39c47e0815077fb3c0b83bc4746bb15eb0a5e72bec070621ebfcc
SHA51228fe6de06492c3f507e597bd02e41386ca5d9ea68625c7a30361e55471bd091c6feb0df49e3bf5b1a05ba6ed5ff95080b54c92f94c13e22189ceeae0f82e4a43
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c21ef056534b202f895b64716f52ac45
SHA1d6159c1c683803afc2b819e1ee767f237fa799c5
SHA256d6e353674430450c6f90ce93ba48b6d9500a710cefe56a6707debdf996b34c07
SHA512ab020a2b0dbf269f859fdcca9b8fe7e1314048ba1077f94ddd0bfa0cec3dbe5e7130ad86dff1e932b404acff520fcd955e75feae3bc5774740b95e32bfb160cc
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5dbbb1e97fe5dab4e66de13019d4a9542
SHA15bd5fa83a0f758c5b2c9aa62e03a42168c7997bf
SHA2568fc5a77a52427b02acb6362c4308f64ad273bca2bf58dfb68cc6f9fb9b4d5729
SHA512181efff0a2598dc64408025231d33113499e1210de8e4710c15620790ab3b52d4f3d6949d59dd4a827c13b821d7e260c15b6954ea17ec3c899886e1ed7adf712
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5385c47c5dbb312a217fdb7fdee697609
SHA14a6b70ea29549efb22c30929bc0b917719fa545d
SHA2561c57a10ef6a947ac4a85f37ae0e6c985e4d67d64b1a43a82f2d83c5146e10941
SHA5124f0ac1da184b6481d90fd115f978428a8935ee1945dc37cb246fe726d4e281b60836dc7c5bcc04f942f1c121d3fd57b53b7a78ac924eba269fc2fb42f82f5688
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Filesize
4.1MB
MD54c13a7b9fa15748f918c7ebc8692feb7
SHA1a83a2575e3a1a16266e9ce27832a1850347aeb74
SHA256b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770
SHA512bcf0be98fc76abeec8989bd71251a3f95708fc1007b4a0518b2e20b74c2c7d1b8448040762609cd80261871bc1565c9e6b62342b77b235fc3bbe4d9a4a81dc11
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec