Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
18-05-2024 11:32
Static task
static1
Behavioral task
behavioral1
Sample
0cbe83550ce73f7cce2784574c9ab9db45a6ff622a6df2babfb8e078c66dac19.exe
Resource
win10v2004-20240508-en
General
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Target
0cbe83550ce73f7cce2784574c9ab9db45a6ff622a6df2babfb8e078c66dac19.exe
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Size
4.1MB
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MD5
c5ac6245ed32f85a32176a252317adbc
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SHA1
7796e5d1ac75d9715e36b2e0e57b2b604908a3c3
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SHA256
0cbe83550ce73f7cce2784574c9ab9db45a6ff622a6df2babfb8e078c66dac19
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SHA512
3635201c12868ee47ab79c1d8848538b6ef360c017b30cd772c4975275ff9acdfa286d46ebaa0c34d81512cc33e9c435806fa336f51bfaa2cd489de04599ca5b
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SSDEEP
98304:AZ9bi3QNEOtUId2petU9sYIhWVMAA4+HI:p303UIApyYIhWVMER
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/3972-2-0x0000000004CD0000-0x00000000055BB000-memory.dmp family_glupteba behavioral1/memory/3972-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3972-79-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/3972-105-0x0000000004CD0000-0x00000000055BB000-memory.dmp family_glupteba behavioral1/memory/3480-135-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/3972-159-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/872-216-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/872-228-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/872-231-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/872-235-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/872-239-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/872-244-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/872-248-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/872-251-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/872-255-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/872-259-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/872-263-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/872-268-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/872-272-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4656 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 872 csrss.exe 2248 injector.exe 5108 windefender.exe 5104 windefender.exe -
resource yara_rule behavioral1/files/0x0009000000023431-220.dat upx behavioral1/memory/5108-221-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/5104-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/5108-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/5104-232-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/5104-240-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description 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\"" csrss.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\"" 0cbe83550ce73f7cce2784574c9ab9db45a6ff622a6df2babfb8e078c66dac19.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.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description 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.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 0cbe83550ce73f7cce2784574c9ab9db45a6ff622a6df2babfb8e078c66dac19.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 0cbe83550ce73f7cce2784574c9ab9db45a6ff622a6df2babfb8e078c66dac19.exe File created C:\Windows\rss\csrss.exe 0cbe83550ce73f7cce2784574c9ab9db45a6ff622a6df2babfb8e078c66dac19.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.
pid Process 2316 sc.exe -
pid Process 3920 powershell.exe 1368 powershell.exe 2040 powershell.exe 1116 powershell.exe 4656 powershell.exe 528 powershell.exe 4904 powershell.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1736 schtasks.exe 2080 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time" 0cbe83550ce73f7cce2784574c9ab9db45a6ff622a6df2babfb8e078c66dac19.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2511 = "Lord Howe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-385 = "Namibia 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\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-201 = "US Mountain Daylight Time" windefender.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\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" 0cbe83550ce73f7cce2784574c9ab9db45a6ff622a6df2babfb8e078c66dac19.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" 0cbe83550ce73f7cce2784574c9ab9db45a6ff622a6df2babfb8e078c66dac19.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time" 0cbe83550ce73f7cce2784574c9ab9db45a6ff622a6df2babfb8e078c66dac19.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates 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,-2371 = "Easter Island Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-732 = "Fiji Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time" 0cbe83550ce73f7cce2784574c9ab9db45a6ff622a6df2babfb8e078c66dac19.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time" 0cbe83550ce73f7cce2784574c9ab9db45a6ff622a6df2babfb8e078c66dac19.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-671 = "AUS Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2411 = "Marquesas Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1021 = "Bangladesh Daylight Time" 0cbe83550ce73f7cce2784574c9ab9db45a6ff622a6df2babfb8e078c66dac19.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time" 0cbe83550ce73f7cce2784574c9ab9db45a6ff622a6df2babfb8e078c66dac19.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" 0cbe83550ce73f7cce2784574c9ab9db45a6ff622a6df2babfb8e078c66dac19.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-511 = "Central Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-571 = "China Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-682 = "E. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2451 = "Saint Pierre Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" 0cbe83550ce73f7cce2784574c9ab9db45a6ff622a6df2babfb8e078c66dac19.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time" 0cbe83550ce73f7cce2784574c9ab9db45a6ff622a6df2babfb8e078c66dac19.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2342 = "Haiti Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2871 = "Magallanes Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2062 = "North Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time" 0cbe83550ce73f7cce2784574c9ab9db45a6ff622a6df2babfb8e078c66dac19.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" 0cbe83550ce73f7cce2784574c9ab9db45a6ff622a6df2babfb8e078c66dac19.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time" 0cbe83550ce73f7cce2784574c9ab9db45a6ff622a6df2babfb8e078c66dac19.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-871 = "Pakistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-32 = "Mid-Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time" 0cbe83550ce73f7cce2784574c9ab9db45a6ff622a6df2babfb8e078c66dac19.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" 0cbe83550ce73f7cce2784574c9ab9db45a6ff622a6df2babfb8e078c66dac19.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time" 0cbe83550ce73f7cce2784574c9ab9db45a6ff622a6df2babfb8e078c66dac19.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.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\@tzres.dll,-2751 = "Tomsk Daylight Time" windefender.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,-2872 = "Magallanes Standard Time" windefender.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,-3142 = "South Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time" 0cbe83550ce73f7cce2784574c9ab9db45a6ff622a6df2babfb8e078c66dac19.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 528 powershell.exe 528 powershell.exe 3972 0cbe83550ce73f7cce2784574c9ab9db45a6ff622a6df2babfb8e078c66dac19.exe 3972 0cbe83550ce73f7cce2784574c9ab9db45a6ff622a6df2babfb8e078c66dac19.exe 4904 powershell.exe 4904 powershell.exe 3480 0cbe83550ce73f7cce2784574c9ab9db45a6ff622a6df2babfb8e078c66dac19.exe 3480 0cbe83550ce73f7cce2784574c9ab9db45a6ff622a6df2babfb8e078c66dac19.exe 3480 0cbe83550ce73f7cce2784574c9ab9db45a6ff622a6df2babfb8e078c66dac19.exe 3480 0cbe83550ce73f7cce2784574c9ab9db45a6ff622a6df2babfb8e078c66dac19.exe 3480 0cbe83550ce73f7cce2784574c9ab9db45a6ff622a6df2babfb8e078c66dac19.exe 3480 0cbe83550ce73f7cce2784574c9ab9db45a6ff622a6df2babfb8e078c66dac19.exe 3480 0cbe83550ce73f7cce2784574c9ab9db45a6ff622a6df2babfb8e078c66dac19.exe 3480 0cbe83550ce73f7cce2784574c9ab9db45a6ff622a6df2babfb8e078c66dac19.exe 3480 0cbe83550ce73f7cce2784574c9ab9db45a6ff622a6df2babfb8e078c66dac19.exe 3480 0cbe83550ce73f7cce2784574c9ab9db45a6ff622a6df2babfb8e078c66dac19.exe 3920 powershell.exe 3920 powershell.exe 1368 powershell.exe 1368 powershell.exe 2040 powershell.exe 2040 powershell.exe 1116 powershell.exe 1116 powershell.exe 4656 powershell.exe 4656 powershell.exe 2248 injector.exe 2248 injector.exe 2248 injector.exe 2248 injector.exe 2248 injector.exe 2248 injector.exe 872 csrss.exe 872 csrss.exe 2248 injector.exe 2248 injector.exe 2248 injector.exe 2248 injector.exe 2248 injector.exe 2248 injector.exe 872 csrss.exe 872 csrss.exe 2248 injector.exe 2248 injector.exe 872 csrss.exe 872 csrss.exe 2248 injector.exe 2248 injector.exe 2248 injector.exe 2248 injector.exe 2248 injector.exe 2248 injector.exe 2248 injector.exe 2248 injector.exe 2248 injector.exe 2248 injector.exe 2248 injector.exe 2248 injector.exe 2248 injector.exe 2248 injector.exe 2248 injector.exe 2248 injector.exe 2248 injector.exe 2248 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 528 powershell.exe Token: SeDebugPrivilege 3972 0cbe83550ce73f7cce2784574c9ab9db45a6ff622a6df2babfb8e078c66dac19.exe Token: SeImpersonatePrivilege 3972 0cbe83550ce73f7cce2784574c9ab9db45a6ff622a6df2babfb8e078c66dac19.exe Token: SeDebugPrivilege 4904 powershell.exe Token: SeDebugPrivilege 3920 powershell.exe Token: SeDebugPrivilege 1368 powershell.exe Token: SeDebugPrivilege 2040 powershell.exe Token: SeDebugPrivilege 1116 powershell.exe Token: SeDebugPrivilege 4656 powershell.exe Token: SeSystemEnvironmentPrivilege 872 csrss.exe Token: SeSecurityPrivilege 2316 sc.exe Token: SeSecurityPrivilege 2316 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3972 wrote to memory of 528 3972 0cbe83550ce73f7cce2784574c9ab9db45a6ff622a6df2babfb8e078c66dac19.exe 84 PID 3972 wrote to memory of 528 3972 0cbe83550ce73f7cce2784574c9ab9db45a6ff622a6df2babfb8e078c66dac19.exe 84 PID 3972 wrote to memory of 528 3972 0cbe83550ce73f7cce2784574c9ab9db45a6ff622a6df2babfb8e078c66dac19.exe 84 PID 3480 wrote to memory of 4904 3480 0cbe83550ce73f7cce2784574c9ab9db45a6ff622a6df2babfb8e078c66dac19.exe 94 PID 3480 wrote to memory of 4904 3480 0cbe83550ce73f7cce2784574c9ab9db45a6ff622a6df2babfb8e078c66dac19.exe 94 PID 3480 wrote to memory of 4904 3480 0cbe83550ce73f7cce2784574c9ab9db45a6ff622a6df2babfb8e078c66dac19.exe 94 PID 3480 wrote to memory of 4428 3480 0cbe83550ce73f7cce2784574c9ab9db45a6ff622a6df2babfb8e078c66dac19.exe 97 PID 3480 wrote to memory of 4428 3480 0cbe83550ce73f7cce2784574c9ab9db45a6ff622a6df2babfb8e078c66dac19.exe 97 PID 4428 wrote to memory of 4656 4428 cmd.exe 100 PID 4428 wrote to memory of 4656 4428 cmd.exe 100 PID 3480 wrote to memory of 3920 3480 0cbe83550ce73f7cce2784574c9ab9db45a6ff622a6df2babfb8e078c66dac19.exe 101 PID 3480 wrote to memory of 3920 3480 0cbe83550ce73f7cce2784574c9ab9db45a6ff622a6df2babfb8e078c66dac19.exe 101 PID 3480 wrote to memory of 3920 3480 0cbe83550ce73f7cce2784574c9ab9db45a6ff622a6df2babfb8e078c66dac19.exe 101 PID 3480 wrote to memory of 1368 3480 0cbe83550ce73f7cce2784574c9ab9db45a6ff622a6df2babfb8e078c66dac19.exe 103 PID 3480 wrote to memory of 1368 3480 0cbe83550ce73f7cce2784574c9ab9db45a6ff622a6df2babfb8e078c66dac19.exe 103 PID 3480 wrote to memory of 1368 3480 0cbe83550ce73f7cce2784574c9ab9db45a6ff622a6df2babfb8e078c66dac19.exe 103 PID 3480 wrote to memory of 872 3480 0cbe83550ce73f7cce2784574c9ab9db45a6ff622a6df2babfb8e078c66dac19.exe 105 PID 3480 wrote to memory of 872 3480 0cbe83550ce73f7cce2784574c9ab9db45a6ff622a6df2babfb8e078c66dac19.exe 105 PID 3480 wrote to memory of 872 3480 0cbe83550ce73f7cce2784574c9ab9db45a6ff622a6df2babfb8e078c66dac19.exe 105 PID 872 wrote to memory of 2040 872 csrss.exe 106 PID 872 wrote to memory of 2040 872 csrss.exe 106 PID 872 wrote to memory of 2040 872 csrss.exe 106 PID 872 wrote to memory of 1116 872 csrss.exe 112 PID 872 wrote to memory of 1116 872 csrss.exe 112 PID 872 wrote to memory of 1116 872 csrss.exe 112 PID 872 wrote to memory of 4656 872 csrss.exe 114 PID 872 wrote to memory of 4656 872 csrss.exe 114 PID 872 wrote to memory of 4656 872 csrss.exe 114 PID 872 wrote to memory of 2248 872 csrss.exe 116 PID 872 wrote to memory of 2248 872 csrss.exe 116 PID 5108 wrote to memory of 1220 5108 windefender.exe 124 PID 5108 wrote to memory of 1220 5108 windefender.exe 124 PID 5108 wrote to memory of 1220 5108 windefender.exe 124 PID 1220 wrote to memory of 2316 1220 cmd.exe 125 PID 1220 wrote to memory of 2316 1220 cmd.exe 125 PID 1220 wrote to memory of 2316 1220 cmd.exe 125 -
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\0cbe83550ce73f7cce2784574c9ab9db45a6ff622a6df2babfb8e078c66dac19.exe"C:\Users\Admin\AppData\Local\Temp\0cbe83550ce73f7cce2784574c9ab9db45a6ff622a6df2babfb8e078c66dac19.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3972 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:528
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C:\Users\Admin\AppData\Local\Temp\0cbe83550ce73f7cce2784574c9ab9db45a6ff622a6df2babfb8e078c66dac19.exe"C:\Users\Admin\AppData\Local\Temp\0cbe83550ce73f7cce2784574c9ab9db45a6ff622a6df2babfb8e078c66dac19.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:3480 -
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:4904
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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:4428 -
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:3920
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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:1368
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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:872 -
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:2040
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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:1736
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1756
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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:1116
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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:4656
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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:2248
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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:2080
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:5108 -
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:1220 -
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:2316
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:5104
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
MD5a7c1569ef7df6e1d12112a0cd5228564
SHA1c7fec6d8d6e8968acd615291ff35de5f38b9935c
SHA25600c551b165fadc9facd68c98023ade8fd1ed5b50f4d20b5cac155b9b971de5a1
SHA51289b73d8b01533b34af909c68240b5022032fada214174e32e24b10ce760f144329e6a777e534ce231c394b2223909751db28d419be617831f806f469e341b31e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56a3705056d1e70431824674ea279b9c7
SHA1ef77093034548870c467124eb61898a0807649c0
SHA256d18046cf85666a3ff3c9e1b41dbfafdc1ab72d537e883af47cc3c817e4897861
SHA512966fb7312e734a019b0c30a3823f6817f7936bc7a3d8d82943c0202f6023bb7b95dd13690e38f5b33bfc476b5f4e4e0948b0fd2194f600b254498c96e226df8f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54bc90a7b71bbaf8c475a67d2eed27cb7
SHA1056b186699f7897b9c2c571180f293cbe392c9e9
SHA25672723834f8f4f8d750e43c15232e78b300c135cd62557f01079c60b369e5bd36
SHA51252086aee5f40272775bfb343789759ce847a57610c44dd3ef4e0303901142ebf0a3dc018b356ea78c41a8fdf37f02057806765f43e0116f1761b3d894c68a90b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5197e7676fab2711ad7450bc6356a54f8
SHA1031c03183fe9ab59fbd1f9c65eddee123f79bc3b
SHA2567159e90c8f86da51d36132f4cc322447120e0f99fed4ee7c51a628eca55f3eea
SHA512147cd5e59631e66d1798b4d279d581dd7eee6673067b95918048326b82db34596bd53e62acac8f8ec98bdf2054919ea20d10668c6a320f4aa243bd2497243f20
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51af855c1c882955233c011b0f7a8b3d8
SHA1c145ccd3f97a03017224c20878f87fe3adfd316d
SHA256b106fbee283896d1a2a8a8c7a6294fda438982456fb2d1f2f31c257ebc77b14b
SHA512e4996dd20b5b48f2650e2cff4871db16149b289d9694d08486111bba579fb018131f9e195a8f3aa495560de8f31954f90999409aeadcd3b7365bf3563ee7ed80
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Filesize
4.1MB
MD5c5ac6245ed32f85a32176a252317adbc
SHA17796e5d1ac75d9715e36b2e0e57b2b604908a3c3
SHA2560cbe83550ce73f7cce2784574c9ab9db45a6ff622a6df2babfb8e078c66dac19
SHA5123635201c12868ee47ab79c1d8848538b6ef360c017b30cd772c4975275ff9acdfa286d46ebaa0c34d81512cc33e9c435806fa336f51bfaa2cd489de04599ca5b
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec