Analysis
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max time kernel
150s -
max time network
153s -
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 16:24
Static task
static1
Behavioral task
behavioral1
Sample
7503d2b43dbc02aa9c1dda569e5209ed9e21de3cf4f2ef0ad1917cc74a31da6e.exe
Resource
win10v2004-20240508-en
General
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Target
7503d2b43dbc02aa9c1dda569e5209ed9e21de3cf4f2ef0ad1917cc74a31da6e.exe
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Size
4.1MB
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MD5
d1d56ec152fa176c38c7eacf6cc4e4c7
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SHA1
b79c823720c2ea13415610b4e37069649ea3058d
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SHA256
7503d2b43dbc02aa9c1dda569e5209ed9e21de3cf4f2ef0ad1917cc74a31da6e
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SHA512
521c3b1af45deb9ec778d388071ad0fc4107e83b38a4fc584c44a7c4cc8d5d9d0f9391df7b7f3e4c113c197fc2881238db187876933ce66c2a6aa4c2965965cf
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SSDEEP
98304:JvHfbigA34ifkpJZQU0TgaIfW6UkFHwAhDtgwFW+1B:JvHfb2IifudqhIuUHwAjW+f
Malware Config
Signatures
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Glupteba payload 19 IoCs
Processes:
resource yara_rule behavioral1/memory/2708-2-0x0000000004AA0000-0x000000000538B000-memory.dmp family_glupteba behavioral1/memory/2708-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2708-93-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4848-134-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/2708-136-0x0000000004AA0000-0x000000000538B000-memory.dmp family_glupteba behavioral1/memory/2708-210-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4732-216-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4732-227-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4732-229-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4732-233-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4732-236-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4732-239-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4732-241-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4732-245-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4732-248-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4732-251-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4732-253-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4732-257-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4732-260-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 4656 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 4732 csrss.exe 3308 injector.exe 3928 windefender.exe 872 windefender.exe -
Processes:
resource yara_rule behavioral1/files/0x0009000000022ad3-220.dat upx behavioral1/memory/3928-221-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/872-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3928-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/872-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/872-235-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
7503d2b43dbc02aa9c1dda569e5209ed9e21de3cf4f2ef0ad1917cc74a31da6e.execsrss.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 7503d2b43dbc02aa9c1dda569e5209ed9e21de3cf4f2ef0ad1917cc74a31da6e.exe Set value (str) \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\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 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 -
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:
7503d2b43dbc02aa9c1dda569e5209ed9e21de3cf4f2ef0ad1917cc74a31da6e.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN 7503d2b43dbc02aa9c1dda569e5209ed9e21de3cf4f2ef0ad1917cc74a31da6e.exe -
Drops file in Windows directory 4 IoCs
Processes:
7503d2b43dbc02aa9c1dda569e5209ed9e21de3cf4f2ef0ad1917cc74a31da6e.execsrss.exedescription ioc Process File opened for modification C:\Windows\rss 7503d2b43dbc02aa9c1dda569e5209ed9e21de3cf4f2ef0ad1917cc74a31da6e.exe File created C:\Windows\rss\csrss.exe 7503d2b43dbc02aa9c1dda569e5209ed9e21de3cf4f2ef0ad1917cc74a31da6e.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 2420 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 4016 powershell.exe 3060 powershell.exe 3460 powershell.exe 4016 powershell.exe 3104 powershell.exe 2740 powershell.exe 3764 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 4724 schtasks.exe 4316 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
windefender.exe7503d2b43dbc02aa9c1dda569e5209ed9e21de3cf4f2ef0ad1917cc74a31da6e.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1892 = "Russia TZ 3 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1912 = "Russia TZ 10 Standard Time" 7503d2b43dbc02aa9c1dda569e5209ed9e21de3cf4f2ef0ad1917cc74a31da6e.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,-232 = "Hawaiian Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1021 = "Bangladesh Daylight Time" 7503d2b43dbc02aa9c1dda569e5209ed9e21de3cf4f2ef0ad1917cc74a31da6e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time" 7503d2b43dbc02aa9c1dda569e5209ed9e21de3cf4f2ef0ad1917cc74a31da6e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" 7503d2b43dbc02aa9c1dda569e5209ed9e21de3cf4f2ef0ad1917cc74a31da6e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.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\@tzres.dll,-372 = "Jerusalem Standard Time" windefender.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,-2611 = "Bougainville Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-962 = "Paraguay 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,-2392 = "Aleutian Standard Time" 7503d2b43dbc02aa9c1dda569e5209ed9e21de3cf4f2ef0ad1917cc74a31da6e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-722 = "Central Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time" 7503d2b43dbc02aa9c1dda569e5209ed9e21de3cf4f2ef0ad1917cc74a31da6e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" 7503d2b43dbc02aa9c1dda569e5209ed9e21de3cf4f2ef0ad1917cc74a31da6e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time" 7503d2b43dbc02aa9c1dda569e5209ed9e21de3cf4f2ef0ad1917cc74a31da6e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-202 = "US Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time" 7503d2b43dbc02aa9c1dda569e5209ed9e21de3cf4f2ef0ad1917cc74a31da6e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2391 = "Aleutian 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\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time" 7503d2b43dbc02aa9c1dda569e5209ed9e21de3cf4f2ef0ad1917cc74a31da6e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time" 7503d2b43dbc02aa9c1dda569e5209ed9e21de3cf4f2ef0ad1917cc74a31da6e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time" 7503d2b43dbc02aa9c1dda569e5209ed9e21de3cf4f2ef0ad1917cc74a31da6e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\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\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time" 7503d2b43dbc02aa9c1dda569e5209ed9e21de3cf4f2ef0ad1917cc74a31da6e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" 7503d2b43dbc02aa9c1dda569e5209ed9e21de3cf4f2ef0ad1917cc74a31da6e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-622 = "Korea Standard Time" 7503d2b43dbc02aa9c1dda569e5209ed9e21de3cf4f2ef0ad1917cc74a31da6e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-352 = "FLE Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\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,-351 = "FLE Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time" 7503d2b43dbc02aa9c1dda569e5209ed9e21de3cf4f2ef0ad1917cc74a31da6e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-291 = "Central European Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" 7503d2b43dbc02aa9c1dda569e5209ed9e21de3cf4f2ef0ad1917cc74a31da6e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" 7503d2b43dbc02aa9c1dda569e5209ed9e21de3cf4f2ef0ad1917cc74a31da6e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time" 7503d2b43dbc02aa9c1dda569e5209ed9e21de3cf4f2ef0ad1917cc74a31da6e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-172 = "Central Standard Time (Mexico)" windefender.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,-2872 = "Magallanes Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-961 = "Paraguay 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,-431 = "Iran Daylight Time" 7503d2b43dbc02aa9c1dda569e5209ed9e21de3cf4f2ef0ad1917cc74a31da6e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time" 7503d2b43dbc02aa9c1dda569e5209ed9e21de3cf4f2ef0ad1917cc74a31da6e.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,-722 = "Central Pacific Standard Time" 7503d2b43dbc02aa9c1dda569e5209ed9e21de3cf4f2ef0ad1917cc74a31da6e.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-71 = "Newfoundland Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe7503d2b43dbc02aa9c1dda569e5209ed9e21de3cf4f2ef0ad1917cc74a31da6e.exepowershell.exe7503d2b43dbc02aa9c1dda569e5209ed9e21de3cf4f2ef0ad1917cc74a31da6e.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 3060 powershell.exe 3060 powershell.exe 2708 7503d2b43dbc02aa9c1dda569e5209ed9e21de3cf4f2ef0ad1917cc74a31da6e.exe 2708 7503d2b43dbc02aa9c1dda569e5209ed9e21de3cf4f2ef0ad1917cc74a31da6e.exe 3460 powershell.exe 3460 powershell.exe 4848 7503d2b43dbc02aa9c1dda569e5209ed9e21de3cf4f2ef0ad1917cc74a31da6e.exe 4848 7503d2b43dbc02aa9c1dda569e5209ed9e21de3cf4f2ef0ad1917cc74a31da6e.exe 4848 7503d2b43dbc02aa9c1dda569e5209ed9e21de3cf4f2ef0ad1917cc74a31da6e.exe 4848 7503d2b43dbc02aa9c1dda569e5209ed9e21de3cf4f2ef0ad1917cc74a31da6e.exe 4848 7503d2b43dbc02aa9c1dda569e5209ed9e21de3cf4f2ef0ad1917cc74a31da6e.exe 4848 7503d2b43dbc02aa9c1dda569e5209ed9e21de3cf4f2ef0ad1917cc74a31da6e.exe 4848 7503d2b43dbc02aa9c1dda569e5209ed9e21de3cf4f2ef0ad1917cc74a31da6e.exe 4848 7503d2b43dbc02aa9c1dda569e5209ed9e21de3cf4f2ef0ad1917cc74a31da6e.exe 4848 7503d2b43dbc02aa9c1dda569e5209ed9e21de3cf4f2ef0ad1917cc74a31da6e.exe 4848 7503d2b43dbc02aa9c1dda569e5209ed9e21de3cf4f2ef0ad1917cc74a31da6e.exe 4016 powershell.exe 4016 powershell.exe 4016 powershell.exe 3104 powershell.exe 3104 powershell.exe 2740 powershell.exe 2740 powershell.exe 3764 powershell.exe 3764 powershell.exe 4016 powershell.exe 4016 powershell.exe 3308 injector.exe 3308 injector.exe 3308 injector.exe 3308 injector.exe 3308 injector.exe 3308 injector.exe 4732 csrss.exe 4732 csrss.exe 3308 injector.exe 3308 injector.exe 3308 injector.exe 3308 injector.exe 3308 injector.exe 3308 injector.exe 4732 csrss.exe 4732 csrss.exe 3308 injector.exe 3308 injector.exe 3308 injector.exe 3308 injector.exe 3308 injector.exe 3308 injector.exe 4732 csrss.exe 4732 csrss.exe 3308 injector.exe 3308 injector.exe 3308 injector.exe 3308 injector.exe 3308 injector.exe 3308 injector.exe 3308 injector.exe 3308 injector.exe 3308 injector.exe 3308 injector.exe 3308 injector.exe 3308 injector.exe 3308 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe7503d2b43dbc02aa9c1dda569e5209ed9e21de3cf4f2ef0ad1917cc74a31da6e.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 3060 powershell.exe Token: SeDebugPrivilege 2708 7503d2b43dbc02aa9c1dda569e5209ed9e21de3cf4f2ef0ad1917cc74a31da6e.exe Token: SeImpersonatePrivilege 2708 7503d2b43dbc02aa9c1dda569e5209ed9e21de3cf4f2ef0ad1917cc74a31da6e.exe Token: SeDebugPrivilege 3460 powershell.exe Token: SeDebugPrivilege 4016 powershell.exe Token: SeDebugPrivilege 3104 powershell.exe Token: SeDebugPrivilege 2740 powershell.exe Token: SeDebugPrivilege 3764 powershell.exe Token: SeDebugPrivilege 4016 powershell.exe Token: SeSystemEnvironmentPrivilege 4732 csrss.exe Token: SeSecurityPrivilege 2420 sc.exe Token: SeSecurityPrivilege 2420 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
7503d2b43dbc02aa9c1dda569e5209ed9e21de3cf4f2ef0ad1917cc74a31da6e.exe7503d2b43dbc02aa9c1dda569e5209ed9e21de3cf4f2ef0ad1917cc74a31da6e.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 2708 wrote to memory of 3060 2708 7503d2b43dbc02aa9c1dda569e5209ed9e21de3cf4f2ef0ad1917cc74a31da6e.exe 85 PID 2708 wrote to memory of 3060 2708 7503d2b43dbc02aa9c1dda569e5209ed9e21de3cf4f2ef0ad1917cc74a31da6e.exe 85 PID 2708 wrote to memory of 3060 2708 7503d2b43dbc02aa9c1dda569e5209ed9e21de3cf4f2ef0ad1917cc74a31da6e.exe 85 PID 4848 wrote to memory of 3460 4848 7503d2b43dbc02aa9c1dda569e5209ed9e21de3cf4f2ef0ad1917cc74a31da6e.exe 95 PID 4848 wrote to memory of 3460 4848 7503d2b43dbc02aa9c1dda569e5209ed9e21de3cf4f2ef0ad1917cc74a31da6e.exe 95 PID 4848 wrote to memory of 3460 4848 7503d2b43dbc02aa9c1dda569e5209ed9e21de3cf4f2ef0ad1917cc74a31da6e.exe 95 PID 4848 wrote to memory of 4948 4848 7503d2b43dbc02aa9c1dda569e5209ed9e21de3cf4f2ef0ad1917cc74a31da6e.exe 99 PID 4848 wrote to memory of 4948 4848 7503d2b43dbc02aa9c1dda569e5209ed9e21de3cf4f2ef0ad1917cc74a31da6e.exe 99 PID 4948 wrote to memory of 4656 4948 cmd.exe 101 PID 4948 wrote to memory of 4656 4948 cmd.exe 101 PID 4848 wrote to memory of 4016 4848 7503d2b43dbc02aa9c1dda569e5209ed9e21de3cf4f2ef0ad1917cc74a31da6e.exe 104 PID 4848 wrote to memory of 4016 4848 7503d2b43dbc02aa9c1dda569e5209ed9e21de3cf4f2ef0ad1917cc74a31da6e.exe 104 PID 4848 wrote to memory of 4016 4848 7503d2b43dbc02aa9c1dda569e5209ed9e21de3cf4f2ef0ad1917cc74a31da6e.exe 104 PID 4848 wrote to memory of 3104 4848 7503d2b43dbc02aa9c1dda569e5209ed9e21de3cf4f2ef0ad1917cc74a31da6e.exe 106 PID 4848 wrote to memory of 3104 4848 7503d2b43dbc02aa9c1dda569e5209ed9e21de3cf4f2ef0ad1917cc74a31da6e.exe 106 PID 4848 wrote to memory of 3104 4848 7503d2b43dbc02aa9c1dda569e5209ed9e21de3cf4f2ef0ad1917cc74a31da6e.exe 106 PID 4848 wrote to memory of 4732 4848 7503d2b43dbc02aa9c1dda569e5209ed9e21de3cf4f2ef0ad1917cc74a31da6e.exe 111 PID 4848 wrote to memory of 4732 4848 7503d2b43dbc02aa9c1dda569e5209ed9e21de3cf4f2ef0ad1917cc74a31da6e.exe 111 PID 4848 wrote to memory of 4732 4848 7503d2b43dbc02aa9c1dda569e5209ed9e21de3cf4f2ef0ad1917cc74a31da6e.exe 111 PID 4732 wrote to memory of 2740 4732 csrss.exe 112 PID 4732 wrote to memory of 2740 4732 csrss.exe 112 PID 4732 wrote to memory of 2740 4732 csrss.exe 112 PID 4732 wrote to memory of 3764 4732 csrss.exe 118 PID 4732 wrote to memory of 3764 4732 csrss.exe 118 PID 4732 wrote to memory of 3764 4732 csrss.exe 118 PID 4732 wrote to memory of 4016 4732 csrss.exe 120 PID 4732 wrote to memory of 4016 4732 csrss.exe 120 PID 4732 wrote to memory of 4016 4732 csrss.exe 120 PID 4732 wrote to memory of 3308 4732 csrss.exe 122 PID 4732 wrote to memory of 3308 4732 csrss.exe 122 PID 3928 wrote to memory of 4236 3928 windefender.exe 131 PID 3928 wrote to memory of 4236 3928 windefender.exe 131 PID 3928 wrote to memory of 4236 3928 windefender.exe 131 PID 4236 wrote to memory of 2420 4236 cmd.exe 132 PID 4236 wrote to memory of 2420 4236 cmd.exe 132 PID 4236 wrote to memory of 2420 4236 cmd.exe 132 -
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\7503d2b43dbc02aa9c1dda569e5209ed9e21de3cf4f2ef0ad1917cc74a31da6e.exe"C:\Users\Admin\AppData\Local\Temp\7503d2b43dbc02aa9c1dda569e5209ed9e21de3cf4f2ef0ad1917cc74a31da6e.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2708 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3060
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C:\Users\Admin\AppData\Local\Temp\7503d2b43dbc02aa9c1dda569e5209ed9e21de3cf4f2ef0ad1917cc74a31da6e.exe"C:\Users\Admin\AppData\Local\Temp\7503d2b43dbc02aa9c1dda569e5209ed9e21de3cf4f2ef0ad1917cc74a31da6e.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:4848 -
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:3460
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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:4948 -
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:4656
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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:4016
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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:3104
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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:4732 -
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:2740
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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:4724
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:444
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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:3764
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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:4016
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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:3308
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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:4316
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3928 -
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:4236 -
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:2420
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:872
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
MD5bc0839f74110825e6739642e87c74fe6
SHA13bf42f5f345fff62c3a0d4c63cd2782220166ec7
SHA25624fce6db09239b6804900ac32619b19a7938960d9cd1530c54c4de544ab234db
SHA51207690ae9798eab230ef84b2a22492e4000cc4d57e7820c878ae072e4f7e426c37d09d6a7f6c1f35e957bf3f9ade1ecd355e2490ad5b0f8f83d828a4c368e4636
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d89f386e8acbf2663dd82761b061af90
SHA115ac8684ffd1a8582f54ee7daa52d39a2b3707c9
SHA25668dd889aff09156d3170ecbdb537d3c79e46bdae6666e041127ce73c5c9efdf6
SHA512b771b794e5675a14581db810a89eda904c8870a29cc6592259dbfc507c1e13c7516ea0b9911f55a5b1257c2d70d1524eb6c4d77cb4e8c86ed8bd044fe1aa6d7e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57086e5fc6322b4e013bebfca9418d11b
SHA175f34f3269a855a9276ca5880cdd399c8d8f0a05
SHA2561f6fe88f84f2fe10b0e631ee55f5e89159cf6a2899e2dd28f4a328a3a344af2e
SHA5123d4cd186b975d268ee3584fd0626ce81b440b9c6f305391d50cc591a55cbb20d6785e42a8f851707ad7c5ee232cca387a454d2ad3e065d77f24bf269e613516d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a6ff2cd9d57bdd3bb1f74d2b6e0a32db
SHA1428fc816bb806073806d3b4ae1d39211f9ae547d
SHA256b9ce3aefcf07d7cb6d6ceb9621f138970771be8b7a7ee754e9581ee45bdd423a
SHA512dde1a4518182d35d412a1b29f4c71e5b4845f59470b5a36c946e7e123fff2612880a64bcefc9cd54c95e91810b521533cd8450f9ab65ba8c0af64cfb7e635675
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5bab8ac4c2272b576bc7662a8a5ee8381
SHA1d5cfb03f676f31cd061a63739c8234fb3a4db28c
SHA256b8f6e285903989fff57c002f5825c56bcd5e703fd638839f90676b3f90e115ca
SHA51291221c5e74aa534824cc5e97c79e40142b3dd0a0ddfa4369ea860a9f924de7435da79a7729003de43e4d22f5d31edd890b34c40e1e4e551cea8067f883be432f
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Filesize
4.1MB
MD5d1d56ec152fa176c38c7eacf6cc4e4c7
SHA1b79c823720c2ea13415610b4e37069649ea3058d
SHA2567503d2b43dbc02aa9c1dda569e5209ed9e21de3cf4f2ef0ad1917cc74a31da6e
SHA512521c3b1af45deb9ec778d388071ad0fc4107e83b38a4fc584c44a7c4cc8d5d9d0f9391df7b7f3e4c113c197fc2881238db187876933ce66c2a6aa4c2965965cf
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec