Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
17-05-2024 09:53
Static task
static1
Behavioral task
behavioral1
Sample
ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.exe
Resource
win10v2004-20240426-en
General
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Target
ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.exe
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Size
4.1MB
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MD5
41741bd88e1d102f077b036648b2c687
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SHA1
8a96ce47debb903d8b2b134188d5798bdee6649a
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SHA256
ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7
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SHA512
dd238fcc5ae0e43b657727f722937b4a7dde60ef22c37179b803af72b3e7e910688b0dd92f55edb6eed1ccc274937e5ec05fce2868300437d65ad3dd2953b36e
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SSDEEP
98304:EhY2qRRjR1paGoDMO/b2fpl9vUYBzPUd5cvaqxgKnFtia9:6YlRLXY4O+pXvrLaqWuck
Malware Config
Signatures
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Glupteba payload 19 IoCs
Processes:
resource yara_rule behavioral1/memory/4696-2-0x0000000004B70000-0x000000000545B000-memory.dmp family_glupteba behavioral1/memory/4696-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4696-55-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4696-57-0x0000000004B70000-0x000000000545B000-memory.dmp family_glupteba behavioral1/memory/4696-107-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2084-106-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/2084-137-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/2840-161-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/2840-219-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/2840-230-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/2840-234-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/2840-238-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/2840-242-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/2840-246-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/2840-250-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/2840-254-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/2840-258-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/2840-262-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/2840-266-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 1564 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid process 2840 csrss.exe 1952 injector.exe 4876 windefender.exe 3236 windefender.exe -
Processes:
resource yara_rule C:\Windows\windefender.exe upx behavioral1/memory/4876-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3236-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4876-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3236-232-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3236-240-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
csrss.exeebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.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 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 -
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:
ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.exedescription ioc process File opened (read-only) \??\VBoxMiniRdrDN ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.exe -
Drops file in Windows directory 4 IoCs
Processes:
ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.execsrss.exedescription ioc process File opened for modification C:\Windows\rss ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.exe File created C:\Windows\rss\csrss.exe ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.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 1476 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid process 1952 powershell.exe 4216 powershell.exe 1824 powershell.exe 1056 powershell.exe 4588 powershell.exe 1496 powershell.exe 4028 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 4032 schtasks.exe 4992 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.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,-2411 = "Marquesas Daylight Time" ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.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,-842 = "Argentina Standard Time" ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.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,-2371 = "Easter Island 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\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time" ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA 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\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time" ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time" ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1912 = "Russia TZ 10 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-791 = "SA Western Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-531 = "Sri Lanka Daylight Time" windefender.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,-41 = "E. South America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-271 = "Greenwich Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-364 = "Middle East Daylight Time" windefender.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\@tzres.dll,-512 = "Central Asia Standard 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\@tzres.dll,-2511 = "Lord Howe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time" ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time" ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed 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\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1661 = "Bahia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-281 = "Central Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-592 = "Malay Peninsula Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time" ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates 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\C:\Windows\system32\,@tzres.dll,-41 = "E. South America Daylight Time" ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time" ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time" ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-932 = "Coordinated Universal 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,-112 = "Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-111 = "Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-381 = "South Africa Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.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,-2392 = "Aleutian Standard Time" windefender.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,-392 = "Arab Standard Time" ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time" ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-201 = "US Mountain Daylight 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\Microsoft\SystemCertificates\CA\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,-491 = "India Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time" ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exeebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.exepowershell.exeebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid process 1952 powershell.exe 1952 powershell.exe 4696 ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.exe 4696 ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.exe 4216 powershell.exe 4216 powershell.exe 2084 ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.exe 2084 ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.exe 2084 ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.exe 2084 ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.exe 2084 ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.exe 2084 ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.exe 2084 ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.exe 2084 ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.exe 2084 ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.exe 2084 ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.exe 1824 powershell.exe 1824 powershell.exe 1056 powershell.exe 1056 powershell.exe 4588 powershell.exe 4588 powershell.exe 1496 powershell.exe 1496 powershell.exe 4028 powershell.exe 4028 powershell.exe 1952 injector.exe 1952 injector.exe 1952 injector.exe 1952 injector.exe 1952 injector.exe 1952 injector.exe 2840 csrss.exe 2840 csrss.exe 1952 injector.exe 1952 injector.exe 1952 injector.exe 1952 injector.exe 1952 injector.exe 1952 injector.exe 2840 csrss.exe 2840 csrss.exe 1952 injector.exe 1952 injector.exe 1952 injector.exe 1952 injector.exe 2840 csrss.exe 2840 csrss.exe 1952 injector.exe 1952 injector.exe 1952 injector.exe 1952 injector.exe 1952 injector.exe 1952 injector.exe 1952 injector.exe 1952 injector.exe 1952 injector.exe 1952 injector.exe 1952 injector.exe 1952 injector.exe 1952 injector.exe 1952 injector.exe 1952 injector.exe 1952 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exeebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid process Token: SeDebugPrivilege 1952 powershell.exe Token: SeDebugPrivilege 4696 ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.exe Token: SeImpersonatePrivilege 4696 ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.exe Token: SeDebugPrivilege 4216 powershell.exe Token: SeDebugPrivilege 1824 powershell.exe Token: SeDebugPrivilege 1056 powershell.exe Token: SeDebugPrivilege 4588 powershell.exe Token: SeDebugPrivilege 1496 powershell.exe Token: SeDebugPrivilege 4028 powershell.exe Token: SeSystemEnvironmentPrivilege 2840 csrss.exe Token: SeSecurityPrivilege 1476 sc.exe Token: SeSecurityPrivilege 1476 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.exeebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.execmd.execsrss.exewindefender.execmd.exedescription pid process target process PID 4696 wrote to memory of 1952 4696 ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.exe powershell.exe PID 4696 wrote to memory of 1952 4696 ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.exe powershell.exe PID 4696 wrote to memory of 1952 4696 ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.exe powershell.exe PID 2084 wrote to memory of 4216 2084 ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.exe powershell.exe PID 2084 wrote to memory of 4216 2084 ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.exe powershell.exe PID 2084 wrote to memory of 4216 2084 ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.exe powershell.exe PID 2084 wrote to memory of 4580 2084 ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.exe cmd.exe PID 2084 wrote to memory of 4580 2084 ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.exe cmd.exe PID 4580 wrote to memory of 1564 4580 cmd.exe netsh.exe PID 4580 wrote to memory of 1564 4580 cmd.exe netsh.exe PID 2084 wrote to memory of 1824 2084 ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.exe powershell.exe PID 2084 wrote to memory of 1824 2084 ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.exe powershell.exe PID 2084 wrote to memory of 1824 2084 ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.exe powershell.exe PID 2084 wrote to memory of 1056 2084 ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.exe powershell.exe PID 2084 wrote to memory of 1056 2084 ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.exe powershell.exe PID 2084 wrote to memory of 1056 2084 ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.exe powershell.exe PID 2084 wrote to memory of 2840 2084 ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.exe csrss.exe PID 2084 wrote to memory of 2840 2084 ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.exe csrss.exe PID 2084 wrote to memory of 2840 2084 ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.exe csrss.exe PID 2840 wrote to memory of 4588 2840 csrss.exe powershell.exe PID 2840 wrote to memory of 4588 2840 csrss.exe powershell.exe PID 2840 wrote to memory of 4588 2840 csrss.exe powershell.exe PID 2840 wrote to memory of 1496 2840 csrss.exe powershell.exe PID 2840 wrote to memory of 1496 2840 csrss.exe powershell.exe PID 2840 wrote to memory of 1496 2840 csrss.exe powershell.exe PID 2840 wrote to memory of 4028 2840 csrss.exe powershell.exe PID 2840 wrote to memory of 4028 2840 csrss.exe powershell.exe PID 2840 wrote to memory of 4028 2840 csrss.exe powershell.exe PID 2840 wrote to memory of 1952 2840 csrss.exe injector.exe PID 2840 wrote to memory of 1952 2840 csrss.exe injector.exe PID 4876 wrote to memory of 4844 4876 windefender.exe cmd.exe PID 4876 wrote to memory of 4844 4876 windefender.exe cmd.exe PID 4876 wrote to memory of 4844 4876 windefender.exe cmd.exe PID 4844 wrote to memory of 1476 4844 cmd.exe sc.exe PID 4844 wrote to memory of 1476 4844 cmd.exe sc.exe PID 4844 wrote to memory of 1476 4844 cmd.exe sc.exe -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.exe"C:\Users\Admin\AppData\Local\Temp\ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4696 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1952 -
C:\Users\Admin\AppData\Local\Temp\ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.exe"C:\Users\Admin\AppData\Local\Temp\ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7.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:2084 -
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:4216 -
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:4580 -
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:1564 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1824 -
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:1056 -
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:2840 -
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:4588 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:4032 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2396
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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:1496 -
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:4028 -
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:1952 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:4992 -
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4876 -
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:4844 -
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:1476
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3236
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
MD53a40c7e9725ccf398b2d86b5ecf1404e
SHA1b4d411b068fa22c3ec9f7b4384bda3730dec2508
SHA256bb2011fef88b67e621c6b646db8b9af574e75e0d41511f32d93cd029772aa2d5
SHA5126a242ae61c9ddbc3da690d34e4538b9d65f3f38e86e816ad38d2661afc0c75d8f713e00584bf32bf18fcd362a9fc12e3a5ab304a2a643262c02d6c4f214b0ef3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5921e8d45e8a501aab452aded1be4dafe
SHA1860ef84392297259b32c12f9bf5db9786f4638e3
SHA256402384cc083f341bada72ceefab23589327ea568dfa0e4ea86a5f095de83cf3f
SHA512c8067bbfd0f9327a663ed42b19ddb64843f4e00e50cbf0cb7ac7f168a9da0801dfd7c66e8965c14f1de911e7b1f384cde081a5a21c2a08e8ac78a83c5f1ec01e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50379c0938d0f0405eaa0fac419a789a6
SHA1ce94bbd466fb6243652871586645303879028d3a
SHA25618d89f41e8ef4550e9bae3979ccb4d7065a400d6d25bbd2a9c671383611574c5
SHA512182baa41b37ef2df8f5ebe99f382615f01f772ab7ac16e276456d381900500cd8a3725dd1ac55c6e5df4e9a1c9481a10cf053f0cce0412cb71358aa80684aec1
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5efba81222b568f4198cdec79e77905e8
SHA1dd7bacb768ca4ef433748def9f645eb5c161d864
SHA2560bc947917d6ffabf264fa2f81144961842db8f2f30e09e74fdbf600d51fb577d
SHA512f957931bfac64cb20c5fbc31080176b1d0db9ac60db99fe6c2efc67c51cdcb6b427efc414fbf62f5588f21b21f6bd31ad7de99af3f1154edacc89992114f500c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58e97ba818e88828bd1082c59fc97e003
SHA11236a1cff0923576076a046e32b52cdf58cb1ca5
SHA25689a11072d46e851e39146c0d33bf2f9aec4dc2cc16e0000bcc95671ea1329074
SHA5126bb392fa6dad89c1fc66e6474d0d4fc6b287e4fb15f11b1c269a8b13744d4c256a7b763d07143f4890c5d1137c13b0a29618c4aaa1770d54cddfdf74eab6933d
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Filesize
4.1MB
MD541741bd88e1d102f077b036648b2c687
SHA18a96ce47debb903d8b2b134188d5798bdee6649a
SHA256ebd137cdd1b593ce8189ed043d9c2be17254639f3c38f0ab3815aff391143ab7
SHA512dd238fcc5ae0e43b657727f722937b4a7dde60ef22c37179b803af72b3e7e910688b0dd92f55edb6eed1ccc274937e5ec05fce2868300437d65ad3dd2953b36e
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec