Analysis
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max time kernel
150s -
max time network
133s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
19-05-2024 11:34
Static task
static1
Behavioral task
behavioral1
Sample
6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exe
Resource
win10v2004-20240508-en
General
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Target
6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exe
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Size
4.1MB
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MD5
d633c1a28c9b62e5f283345d7e863574
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SHA1
9a695c0071f59ee88c2c3b35b14e6f24031eb183
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SHA256
6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51
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SHA512
87ec9e1621cb36dea11678fa50d27d09dc2dcd81980f932d6fc4695486b008b2a86f2803152ba435a0d7d30b9cd210d5301134c7ff6ce17bb64a642397c6a880
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SSDEEP
98304:Wk/C6baF9NNXYvR+SQPyohxfWe3/GY9pAEj6E:Wn6bazjovoyoHfX3/GYHX
Malware Config
Signatures
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Glupteba payload 19 IoCs
Processes:
resource yara_rule behavioral2/memory/2320-2-0x00000000044B0000-0x0000000004D9B000-memory.dmp family_glupteba behavioral2/memory/2320-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2320-53-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2320-51-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/2320-54-0x00000000044B0000-0x0000000004D9B000-memory.dmp family_glupteba behavioral2/memory/3744-124-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/3732-204-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/3732-205-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/3732-215-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/3732-217-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/3732-219-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/3732-221-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/3732-223-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/3732-225-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/3732-227-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/3732-229-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/3732-231-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/3732-233-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/3732-235-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 4300 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 3732 csrss.exe 4396 injector.exe 4156 windefender.exe 2744 windefender.exe -
Processes:
resource yara_rule behavioral2/files/0x000200000002a9f5-208.dat upx behavioral2/memory/4156-209-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2744-212-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4156-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2744-216-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2744-220-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.execsrss.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3107365284-1576850094-161165143-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exe Set value (str) \REGISTRY\USER\S-1-5-21-3107365284-1576850094-161165143-1000\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:
6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN 6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exe -
Drops file in Windows directory 4 IoCs
Processes:
6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.execsrss.exedescription ioc Process File opened for modification C:\Windows\rss 6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exe File created C:\Windows\rss\csrss.exe 6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.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 4028 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 4456 powershell.exe 4536 powershell.exe 1760 powershell.exe 2476 powershell.exe 2496 powershell.exe 4276 powershell.exe 2088 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 2724 schtasks.exe 3052 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exewindefender.exepowershell.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,-52 = "Greenland Standard Time" 6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time" 6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2791 = "Novosibirsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1911 = "Russia TZ 10 Daylight 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\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time" 6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time" 6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.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,-441 = "Arabian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2432 = "Cuba Standard 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" 6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-72 = "Newfoundland Standard 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\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time" 6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs 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\2a\52C64B7E\@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time" 6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" 6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time" 6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-151 = "Central America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-231 = "Hawaiian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time" 6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs 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\2a\52C64B7E\@tzres.dll,-272 = "Greenwich Standard Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.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 powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1411 = "Syria Daylight Time" windefender.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" 6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-42 = "E. South America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-432 = "Iran Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2892 = "Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-632 = "Tokyo Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time" 6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1502 = "Turkey Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time" 6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-661 = "Cen. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time" 6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time" 6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\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,-222 = "Alaskan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time" 6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1662 = "Bahia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2061 = "North Korea Daylight Time" windefender.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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time" 6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time" 6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time" 6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exepowershell.exe6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 1760 powershell.exe 1760 powershell.exe 2320 6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exe 2320 6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exe 2476 powershell.exe 2476 powershell.exe 3744 6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exe 3744 6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exe 3744 6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exe 3744 6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exe 3744 6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exe 3744 6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exe 3744 6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exe 3744 6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exe 3744 6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exe 3744 6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exe 2496 powershell.exe 2496 powershell.exe 4276 powershell.exe 4276 powershell.exe 2088 powershell.exe 2088 powershell.exe 4456 powershell.exe 4456 powershell.exe 4536 powershell.exe 4536 powershell.exe 4396 injector.exe 4396 injector.exe 4396 injector.exe 4396 injector.exe 4396 injector.exe 4396 injector.exe 3732 csrss.exe 3732 csrss.exe 4396 injector.exe 4396 injector.exe 4396 injector.exe 4396 injector.exe 4396 injector.exe 4396 injector.exe 3732 csrss.exe 3732 csrss.exe 4396 injector.exe 4396 injector.exe 4396 injector.exe 4396 injector.exe 4396 injector.exe 4396 injector.exe 4396 injector.exe 4396 injector.exe 4396 injector.exe 4396 injector.exe 4396 injector.exe 4396 injector.exe 4396 injector.exe 4396 injector.exe 3732 csrss.exe 3732 csrss.exe 4396 injector.exe 4396 injector.exe 4396 injector.exe 4396 injector.exe 4396 injector.exe 4396 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 1760 powershell.exe Token: SeDebugPrivilege 2320 6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exe Token: SeImpersonatePrivilege 2320 6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exe Token: SeDebugPrivilege 2476 powershell.exe Token: SeDebugPrivilege 2496 powershell.exe Token: SeDebugPrivilege 4276 powershell.exe Token: SeDebugPrivilege 2088 powershell.exe Token: SeDebugPrivilege 4456 powershell.exe Token: SeDebugPrivilege 4536 powershell.exe Token: SeSystemEnvironmentPrivilege 3732 csrss.exe Token: SeSecurityPrivilege 4028 sc.exe Token: SeSecurityPrivilege 4028 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exe6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 2320 wrote to memory of 1760 2320 6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exe 81 PID 2320 wrote to memory of 1760 2320 6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exe 81 PID 2320 wrote to memory of 1760 2320 6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exe 81 PID 3744 wrote to memory of 2476 3744 6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exe 87 PID 3744 wrote to memory of 2476 3744 6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exe 87 PID 3744 wrote to memory of 2476 3744 6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exe 87 PID 3744 wrote to memory of 2400 3744 6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exe 89 PID 3744 wrote to memory of 2400 3744 6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exe 89 PID 2400 wrote to memory of 4300 2400 cmd.exe 91 PID 2400 wrote to memory of 4300 2400 cmd.exe 91 PID 3744 wrote to memory of 2496 3744 6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exe 92 PID 3744 wrote to memory of 2496 3744 6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exe 92 PID 3744 wrote to memory of 2496 3744 6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exe 92 PID 3744 wrote to memory of 4276 3744 6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exe 94 PID 3744 wrote to memory of 4276 3744 6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exe 94 PID 3744 wrote to memory of 4276 3744 6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exe 94 PID 3744 wrote to memory of 3732 3744 6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exe 96 PID 3744 wrote to memory of 3732 3744 6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exe 96 PID 3744 wrote to memory of 3732 3744 6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exe 96 PID 3732 wrote to memory of 2088 3732 csrss.exe 97 PID 3732 wrote to memory of 2088 3732 csrss.exe 97 PID 3732 wrote to memory of 2088 3732 csrss.exe 97 PID 3732 wrote to memory of 4456 3732 csrss.exe 102 PID 3732 wrote to memory of 4456 3732 csrss.exe 102 PID 3732 wrote to memory of 4456 3732 csrss.exe 102 PID 3732 wrote to memory of 4536 3732 csrss.exe 105 PID 3732 wrote to memory of 4536 3732 csrss.exe 105 PID 3732 wrote to memory of 4536 3732 csrss.exe 105 PID 3732 wrote to memory of 4396 3732 csrss.exe 107 PID 3732 wrote to memory of 4396 3732 csrss.exe 107 PID 4156 wrote to memory of 2960 4156 windefender.exe 113 PID 4156 wrote to memory of 2960 4156 windefender.exe 113 PID 4156 wrote to memory of 2960 4156 windefender.exe 113 PID 2960 wrote to memory of 4028 2960 cmd.exe 114 PID 2960 wrote to memory of 4028 2960 cmd.exe 114 PID 2960 wrote to memory of 4028 2960 cmd.exe 114 -
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\6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exe"C:\Users\Admin\AppData\Local\Temp\6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2320 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1760
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C:\Users\Admin\AppData\Local\Temp\6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exe"C:\Users\Admin\AppData\Local\Temp\6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.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:3744 -
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:2476
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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:2400 -
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:4300
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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:2496
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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:4276
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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:3732 -
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:2088
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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:2724
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2084
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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:4456
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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:4536
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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:4396
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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:3052
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4156 -
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:2960 -
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:4028
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2744
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5705dd0d30e0e95af1b881211141d582e
SHA10a1f83309203bc5ffa08320528d1ca3ccbdac6db
SHA25692eae0da6e161b6c7f8d4efa06a3dc49e194b60db516a86aa051798be1336b05
SHA5120707a88bfef71c4ecba43d4d4e262b90992504cb476cabe6cd005d4712e745cc6a30c5b1694dc5e442c5e9eb83689f1f627e78e130409aab066154ac9da0eb03
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e512f8efaaae4ee982e18a5fddaca0fc
SHA111cc8be03fb4c07b1fa72d549e6bde37e049d19f
SHA256c793cab4ee2b1745b3c1ba1f9188178b01d9c42e6ef1524b2259ed54a6277680
SHA51202413bdc0dec3f68a8f49c450ceb3e012976ef1d2375884d47d89e10176436393c04d815520eba1c819ea3040fca09d67ad6db33b28acaa76b0f2011895c419c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58130952efbcad8bd9cc0f96d47ee0ad6
SHA12e5e3417b260bcc7a1f89ddb82f91603624b0096
SHA256d050b06fc7bbdf5a79f2eab77cbbe20a0c675d03d09bd1f216f3e9b5fe706d22
SHA5120bfeafdda85e40448acadfe679060d85b2fbad7b90eeba7ea99de41987cbf54908926a5fd66bf173d61dbe19532d5717602abe9a0a815dad37ca10c556358838
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD559bc16d8b958bc7a665bf91b16810b1e
SHA1f49114e15a74189647c13fd04efc5292f24b7b37
SHA256deb177c3fe93c367aa1b2a17587e3d790d1169c61364df08f1739674de9b072e
SHA51265f59e03477f48b144858cf0ad9ec47dc8870b50be77bb55fcfd3918b782353a0e0962dd3cec233412243ffb552693256f1edf59556a48fd00fb60ebdefe875d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c75f1961d8ee12911143e757730ac6bd
SHA14e0c9bc834d619906cd2e62e34f09d1df24d932a
SHA25675c1631facd9412db555a1d039fb73ba22f8f9ab15c471e2a71c578e94927bcb
SHA51280f1d22064d630a3fc07f80065bdfd03f4d6afcb9b5448cc1c3d06a185e2afffd5457b4ff3ccd57c6d6e148be9659bab3e75e6b773b1fe445f3c27f0e2ddf797
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Filesize
4.1MB
MD5d633c1a28c9b62e5f283345d7e863574
SHA19a695c0071f59ee88c2c3b35b14e6f24031eb183
SHA2566f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51
SHA51287ec9e1621cb36dea11678fa50d27d09dc2dcd81980f932d6fc4695486b008b2a86f2803152ba435a0d7d30b9cd210d5301134c7ff6ce17bb64a642397c6a880
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec