Analysis
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max time kernel
149s -
max time network
128s -
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 21:13
Static task
static1
Behavioral task
behavioral1
Sample
44fa41f5a8603c4345ca5584635e1bc363940838e0f6fded5473817f83ac5e01.exe
Resource
win10v2004-20240508-en
General
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Target
44fa41f5a8603c4345ca5584635e1bc363940838e0f6fded5473817f83ac5e01.exe
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Size
4.1MB
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MD5
b7e05a3614ff16867211c60f2879ed16
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SHA1
385ab25df7d0c410612525c475d2d35badef694a
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SHA256
44fa41f5a8603c4345ca5584635e1bc363940838e0f6fded5473817f83ac5e01
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SHA512
d715a219c6b61f53fbae513221375c8b3529c18da6d983f786765cb53e618d6857ccdb51cabd8d33ad3378d9c356a5ef3203994f26fbfc4c6e5050266f737302
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SSDEEP
98304:zmSOHuT7egJLhRTCVEkOCdqjiWtSbuAFmh92f:z0ObLh9WfG/tSde4
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/3448-2-0x00000000047C0000-0x00000000050AB000-memory.dmp family_glupteba behavioral1/memory/3448-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3448-93-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/3448-135-0x00000000047C0000-0x00000000050AB000-memory.dmp family_glupteba behavioral1/memory/540-184-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/3448-209-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1740-215-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/1740-228-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/1740-231-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/1740-235-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/1740-239-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/1740-244-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/1740-247-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/1740-251-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/1740-255-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/1740-260-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/1740-263-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/1740-267-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/1740-271-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3592 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1740 csrss.exe 1200 injector.exe 3864 windefender.exe 2348 windefender.exe -
resource yara_rule behavioral1/files/0x000a000000023418-220.dat upx behavioral1/memory/3864-221-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2348-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3864-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2348-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2348-238-0x0000000000400000-0x00000000008DF000-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\"" 44fa41f5a8603c4345ca5584635e1bc363940838e0f6fded5473817f83ac5e01.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.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File 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 -
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 44fa41f5a8603c4345ca5584635e1bc363940838e0f6fded5473817f83ac5e01.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 44fa41f5a8603c4345ca5584635e1bc363940838e0f6fded5473817f83ac5e01.exe File created C:\Windows\rss\csrss.exe 44fa41f5a8603c4345ca5584635e1bc363940838e0f6fded5473817f83ac5e01.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 4668 sc.exe -
pid Process 2620 powershell.exe 1644 powershell.exe 2340 powershell.exe 2384 powershell.exe 1280 powershell.exe 1088 powershell.exe 1740 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 4960 schtasks.exe 4660 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\@tzres.dll,-591 = "Malay Peninsula Daylight 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" 44fa41f5a8603c4345ca5584635e1bc363940838e0f6fded5473817f83ac5e01.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-561 = "SE Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2142 = "Transbaikal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" 44fa41f5a8603c4345ca5584635e1bc363940838e0f6fded5473817f83ac5e01.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1892 = "Russia TZ 3 Standard Time" 44fa41f5a8603c4345ca5584635e1bc363940838e0f6fded5473817f83ac5e01.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time" 44fa41f5a8603c4345ca5584635e1bc363940838e0f6fded5473817f83ac5e01.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA 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\@tzres.dll,-351 = "FLE Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-382 = "South Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" 44fa41f5a8603c4345ca5584635e1bc363940838e0f6fded5473817f83ac5e01.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time" 44fa41f5a8603c4345ca5584635e1bc363940838e0f6fded5473817f83ac5e01.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time" 44fa41f5a8603c4345ca5584635e1bc363940838e0f6fded5473817f83ac5e01.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,-1502 = "Turkey Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time" 44fa41f5a8603c4345ca5584635e1bc363940838e0f6fded5473817f83ac5e01.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-432 = "Iran Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-242 = "Samoa Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.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\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" 44fa41f5a8603c4345ca5584635e1bc363940838e0f6fded5473817f83ac5e01.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" 44fa41f5a8603c4345ca5584635e1bc363940838e0f6fded5473817f83ac5e01.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1842 = "Russia TZ 4 Standard 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 Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-652 = "AUS Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1822 = "Russia TZ 1 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time" 44fa41f5a8603c4345ca5584635e1bc363940838e0f6fded5473817f83ac5e01.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-662 = "Cen. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" 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,-632 = "Tokyo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2571 = "Turks and Caicos Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-631 = "Tokyo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time" 44fa41f5a8603c4345ca5584635e1bc363940838e0f6fded5473817f83ac5e01.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-31 = "Mid-Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2772 = "Omsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2792 = "Novosibirsk Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-335 = "Jordan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-541 = "Myanmar Daylight Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1740 powershell.exe 1740 powershell.exe 3448 44fa41f5a8603c4345ca5584635e1bc363940838e0f6fded5473817f83ac5e01.exe 3448 44fa41f5a8603c4345ca5584635e1bc363940838e0f6fded5473817f83ac5e01.exe 2620 powershell.exe 2620 powershell.exe 540 44fa41f5a8603c4345ca5584635e1bc363940838e0f6fded5473817f83ac5e01.exe 540 44fa41f5a8603c4345ca5584635e1bc363940838e0f6fded5473817f83ac5e01.exe 540 44fa41f5a8603c4345ca5584635e1bc363940838e0f6fded5473817f83ac5e01.exe 540 44fa41f5a8603c4345ca5584635e1bc363940838e0f6fded5473817f83ac5e01.exe 540 44fa41f5a8603c4345ca5584635e1bc363940838e0f6fded5473817f83ac5e01.exe 540 44fa41f5a8603c4345ca5584635e1bc363940838e0f6fded5473817f83ac5e01.exe 540 44fa41f5a8603c4345ca5584635e1bc363940838e0f6fded5473817f83ac5e01.exe 540 44fa41f5a8603c4345ca5584635e1bc363940838e0f6fded5473817f83ac5e01.exe 540 44fa41f5a8603c4345ca5584635e1bc363940838e0f6fded5473817f83ac5e01.exe 540 44fa41f5a8603c4345ca5584635e1bc363940838e0f6fded5473817f83ac5e01.exe 1644 powershell.exe 1644 powershell.exe 1644 powershell.exe 2340 powershell.exe 2340 powershell.exe 2340 powershell.exe 2384 powershell.exe 2384 powershell.exe 2384 powershell.exe 1280 powershell.exe 1280 powershell.exe 1280 powershell.exe 1088 powershell.exe 1088 powershell.exe 1088 powershell.exe 1200 injector.exe 1200 injector.exe 1200 injector.exe 1200 injector.exe 1200 injector.exe 1200 injector.exe 1740 csrss.exe 1740 csrss.exe 1200 injector.exe 1200 injector.exe 1200 injector.exe 1200 injector.exe 1200 injector.exe 1200 injector.exe 1740 csrss.exe 1740 csrss.exe 1200 injector.exe 1200 injector.exe 1740 csrss.exe 1740 csrss.exe 1200 injector.exe 1200 injector.exe 1200 injector.exe 1200 injector.exe 1200 injector.exe 1200 injector.exe 1200 injector.exe 1200 injector.exe 1200 injector.exe 1200 injector.exe 1200 injector.exe 1200 injector.exe 1200 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1740 powershell.exe Token: SeDebugPrivilege 3448 44fa41f5a8603c4345ca5584635e1bc363940838e0f6fded5473817f83ac5e01.exe Token: SeImpersonatePrivilege 3448 44fa41f5a8603c4345ca5584635e1bc363940838e0f6fded5473817f83ac5e01.exe Token: SeDebugPrivilege 2620 powershell.exe Token: SeDebugPrivilege 1644 powershell.exe Token: SeDebugPrivilege 2340 powershell.exe Token: SeDebugPrivilege 2384 powershell.exe Token: SeDebugPrivilege 1280 powershell.exe Token: SeDebugPrivilege 1088 powershell.exe Token: SeSystemEnvironmentPrivilege 1740 csrss.exe Token: SeSecurityPrivilege 4668 sc.exe Token: SeSecurityPrivilege 4668 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3448 wrote to memory of 1740 3448 44fa41f5a8603c4345ca5584635e1bc363940838e0f6fded5473817f83ac5e01.exe 84 PID 3448 wrote to memory of 1740 3448 44fa41f5a8603c4345ca5584635e1bc363940838e0f6fded5473817f83ac5e01.exe 84 PID 3448 wrote to memory of 1740 3448 44fa41f5a8603c4345ca5584635e1bc363940838e0f6fded5473817f83ac5e01.exe 84 PID 540 wrote to memory of 2620 540 44fa41f5a8603c4345ca5584635e1bc363940838e0f6fded5473817f83ac5e01.exe 95 PID 540 wrote to memory of 2620 540 44fa41f5a8603c4345ca5584635e1bc363940838e0f6fded5473817f83ac5e01.exe 95 PID 540 wrote to memory of 2620 540 44fa41f5a8603c4345ca5584635e1bc363940838e0f6fded5473817f83ac5e01.exe 95 PID 540 wrote to memory of 3068 540 44fa41f5a8603c4345ca5584635e1bc363940838e0f6fded5473817f83ac5e01.exe 98 PID 540 wrote to memory of 3068 540 44fa41f5a8603c4345ca5584635e1bc363940838e0f6fded5473817f83ac5e01.exe 98 PID 3068 wrote to memory of 3592 3068 cmd.exe 100 PID 3068 wrote to memory of 3592 3068 cmd.exe 100 PID 540 wrote to memory of 1644 540 44fa41f5a8603c4345ca5584635e1bc363940838e0f6fded5473817f83ac5e01.exe 102 PID 540 wrote to memory of 1644 540 44fa41f5a8603c4345ca5584635e1bc363940838e0f6fded5473817f83ac5e01.exe 102 PID 540 wrote to memory of 1644 540 44fa41f5a8603c4345ca5584635e1bc363940838e0f6fded5473817f83ac5e01.exe 102 PID 540 wrote to memory of 2340 540 44fa41f5a8603c4345ca5584635e1bc363940838e0f6fded5473817f83ac5e01.exe 105 PID 540 wrote to memory of 2340 540 44fa41f5a8603c4345ca5584635e1bc363940838e0f6fded5473817f83ac5e01.exe 105 PID 540 wrote to memory of 2340 540 44fa41f5a8603c4345ca5584635e1bc363940838e0f6fded5473817f83ac5e01.exe 105 PID 540 wrote to memory of 1740 540 44fa41f5a8603c4345ca5584635e1bc363940838e0f6fded5473817f83ac5e01.exe 108 PID 540 wrote to memory of 1740 540 44fa41f5a8603c4345ca5584635e1bc363940838e0f6fded5473817f83ac5e01.exe 108 PID 540 wrote to memory of 1740 540 44fa41f5a8603c4345ca5584635e1bc363940838e0f6fded5473817f83ac5e01.exe 108 PID 1740 wrote to memory of 2384 1740 csrss.exe 109 PID 1740 wrote to memory of 2384 1740 csrss.exe 109 PID 1740 wrote to memory of 2384 1740 csrss.exe 109 PID 1740 wrote to memory of 1280 1740 csrss.exe 115 PID 1740 wrote to memory of 1280 1740 csrss.exe 115 PID 1740 wrote to memory of 1280 1740 csrss.exe 115 PID 1740 wrote to memory of 1088 1740 csrss.exe 118 PID 1740 wrote to memory of 1088 1740 csrss.exe 118 PID 1740 wrote to memory of 1088 1740 csrss.exe 118 PID 1740 wrote to memory of 1200 1740 csrss.exe 120 PID 1740 wrote to memory of 1200 1740 csrss.exe 120 PID 3864 wrote to memory of 4432 3864 windefender.exe 127 PID 3864 wrote to memory of 4432 3864 windefender.exe 127 PID 3864 wrote to memory of 4432 3864 windefender.exe 127 PID 4432 wrote to memory of 4668 4432 cmd.exe 128 PID 4432 wrote to memory of 4668 4432 cmd.exe 128 PID 4432 wrote to memory of 4668 4432 cmd.exe 128 -
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\44fa41f5a8603c4345ca5584635e1bc363940838e0f6fded5473817f83ac5e01.exe"C:\Users\Admin\AppData\Local\Temp\44fa41f5a8603c4345ca5584635e1bc363940838e0f6fded5473817f83ac5e01.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3448 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1740
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C:\Users\Admin\AppData\Local\Temp\44fa41f5a8603c4345ca5584635e1bc363940838e0f6fded5473817f83ac5e01.exe"C:\Users\Admin\AppData\Local\Temp\44fa41f5a8603c4345ca5584635e1bc363940838e0f6fded5473817f83ac5e01.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:540 -
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:2620
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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:3068 -
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:3592
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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:1644
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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:2340
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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:1740 -
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:2384
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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:4660
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4568
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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:1280
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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:1088
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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:1200
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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:4960
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3864 -
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:4432 -
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:4668
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2348
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
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5483cad1dd0b58b4079b2db150c697777
SHA19b33260ec38323dd2a9bc793cf143acf076bb987
SHA256e8ce3ce7b014a8f2a2cfa6f0195c2fb8a8899f65b553213da36542e601b8eee1
SHA512b4b94bf53056db7dd84eb68379974cfae46a17c42e4f96b7075ebb43774b3524bd0519ec14c2fa1bf482f748b3b5ad2e84561f20e2f541b6f71f2035175ede93
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55259fa6ebf74ebf89a8a97bf6fd24b10
SHA1c934c486b61713fa3fd7483e0c779a40e8374269
SHA256976749657412efbe24ee9472810b3918ed0e3871d595dac9f24f59eec5db7e31
SHA5127d16013a29b8f97683b46188b6f5aeb97c17c7c2d00ae1cae21ec464f89fdd13fdaa06fcd3abce16f87237e7ce0fbe22001aaf9493f5217fa61d5a207185abd9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c819c6bbb1aee2d48fecdd1d92bdc71d
SHA14a6dab98dcc10b86a50c335370ae86d5b14ba4d5
SHA256aa29c468bd4a0b0c71805cb9ff9c0d2651ebc46eb6f530c61d431034ad27570e
SHA512093232e9767932ebc83d3f5635046bb33ed8bf5c94ab40afd3603133a2e53aa3e53b611e8485f5e42eae4f2fb7a70fdebbbec861a94ca776c60c292c605c9439
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54f8e24279680f419377cb43d977793b1
SHA1b48818a36b45d9b731c3bd08a262ac9a1877b0ff
SHA256b250964284713c4876cbf765cfb3cfe3194acc08687420317330ef96b9e463fe
SHA51216a4e7f2c8bd20d265d387280918f9e75bd49f572d1f3e0282d7f9f6b17c5d26630fe03e1c3ddda377bd780eee1c11640ee965760717c0e6a6e8d321c3c100b7
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD515664a79f76e47fdd0fc8295b558afcd
SHA12dfe87fdbdf105fb6134d5aa6a6b401a95c5048a
SHA2563037e521d0722732555616ac62f607181ad5d9142d1e24305a5f5b5b15deb925
SHA51268955c00ba66ee52f5481d8944c81d35d2304be950f216e6bdcbb122a161e1c954696e07045766f79b3be30162ed3c50904560e662490caa7723ffab50bb944a
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Filesize
4.1MB
MD5b7e05a3614ff16867211c60f2879ed16
SHA1385ab25df7d0c410612525c475d2d35badef694a
SHA25644fa41f5a8603c4345ca5584635e1bc363940838e0f6fded5473817f83ac5e01
SHA512d715a219c6b61f53fbae513221375c8b3529c18da6d983f786765cb53e618d6857ccdb51cabd8d33ad3378d9c356a5ef3203994f26fbfc4c6e5050266f737302
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec