Analysis
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max time kernel
149s -
max time network
122s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
17/05/2024, 05:02
Static task
static1
Behavioral task
behavioral1
Sample
fae301ca74b03c36a3bda1ca7f6b88b8148f430ac1e86d888658f9179d33192c.exe
Resource
win10v2004-20240508-en
General
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Target
fae301ca74b03c36a3bda1ca7f6b88b8148f430ac1e86d888658f9179d33192c.exe
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Size
4.1MB
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MD5
e2269f9e7b311ee5ca8649d5ef6ca70f
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SHA1
793e6ca75aea843c8e5a20cab989150b757ce03f
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SHA256
fae301ca74b03c36a3bda1ca7f6b88b8148f430ac1e86d888658f9179d33192c
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SHA512
c5630cc76ece2803684b1d8489fdfb11662680420a3f73105486f4748dca59f1153faee8bb3e209dca71bdaceab71750ca526020eed8b72d06151d91c3545c3d
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SSDEEP
98304:mNO3yy04ogde7ep0A2AdPyQGNgd0+V4CCH3iZ/qkVniougG10:AOA8mA0A2AFyQ3d0+aD4qkVni50
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/4648-2-0x0000000004C40000-0x000000000552B000-memory.dmp family_glupteba behavioral2/memory/4648-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4648-24-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/4648-53-0x0000000004C40000-0x000000000552B000-memory.dmp family_glupteba behavioral2/memory/4648-54-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/4648-75-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5080-100-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/5080-127-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/3444-140-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/3444-198-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/3444-214-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/3444-216-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/3444-219-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/3444-222-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/3444-225-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/3444-229-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/3444-231-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/3444-234-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/3444-237-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 992 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3444 csrss.exe 3836 injector.exe 688 windefender.exe 4548 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa5e-207.dat upx behavioral2/memory/688-208-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4548-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/688-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4548-217-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4548-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3433428765-2473475212-4279855560-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" fae301ca74b03c36a3bda1ca7f6b88b8148f430ac1e86d888658f9179d33192c.exe Set value (str) \REGISTRY\USER\S-1-5-21-3433428765-2473475212-4279855560-1000\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 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 -
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 fae301ca74b03c36a3bda1ca7f6b88b8148f430ac1e86d888658f9179d33192c.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe fae301ca74b03c36a3bda1ca7f6b88b8148f430ac1e86d888658f9179d33192c.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss fae301ca74b03c36a3bda1ca7f6b88b8148f430ac1e86d888658f9179d33192c.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 4156 sc.exe -
pid Process 4972 powershell.exe 2620 powershell.exe 4236 powershell.exe 768 powershell.exe 1048 powershell.exe 3840 powershell.exe 1872 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 784 schtasks.exe 4264 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,-652 = "AUS Central Standard Time" fae301ca74b03c36a3bda1ca7f6b88b8148f430ac1e86d888658f9179d33192c.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,-2892 = "Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2141 = "Transbaikal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1502 = "Turkey Standard Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.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\@tzres.dll,-982 = "Kamchatka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time" fae301ca74b03c36a3bda1ca7f6b88b8148f430ac1e86d888658f9179d33192c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-391 = "Arab Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-12 = "Azores Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" fae301ca74b03c36a3bda1ca7f6b88b8148f430ac1e86d888658f9179d33192c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time" fae301ca74b03c36a3bda1ca7f6b88b8148f430ac1e86d888658f9179d33192c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" fae301ca74b03c36a3bda1ca7f6b88b8148f430ac1e86d888658f9179d33192c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2571 = "Turks and Caicos Daylight Time" fae301ca74b03c36a3bda1ca7f6b88b8148f430ac1e86d888658f9179d33192c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-221 = "Alaskan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" fae301ca74b03c36a3bda1ca7f6b88b8148f430ac1e86d888658f9179d33192c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" fae301ca74b03c36a3bda1ca7f6b88b8148f430ac1e86d888658f9179d33192c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time" fae301ca74b03c36a3bda1ca7f6b88b8148f430ac1e86d888658f9179d33192c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2491 = "Aus Central W. Daylight Time" fae301ca74b03c36a3bda1ca7f6b88b8148f430ac1e86d888658f9179d33192c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time" fae301ca74b03c36a3bda1ca7f6b88b8148f430ac1e86d888658f9179d33192c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time" fae301ca74b03c36a3bda1ca7f6b88b8148f430ac1e86d888658f9179d33192c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time" fae301ca74b03c36a3bda1ca7f6b88b8148f430ac1e86d888658f9179d33192c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\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,-462 = "Afghanistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-434 = "Georgian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-362 = "GTB Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2341 = "Haiti Daylight 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,-2942 = "Sao Tome Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2891 = "Sudan Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1972 = "Belarus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-662 = "Cen. Australia Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2431 = "Cuba Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-792 = "SA Western Standard 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,-1862 = "Russia TZ 6 Standard Time" fae301ca74b03c36a3bda1ca7f6b88b8148f430ac1e86d888658f9179d33192c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" fae301ca74b03c36a3bda1ca7f6b88b8148f430ac1e86d888658f9179d33192c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs 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,-2871 = "Magallanes Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-365 = "Middle East Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\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,-512 = "Central Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time" fae301ca74b03c36a3bda1ca7f6b88b8148f430ac1e86d888658f9179d33192c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time" fae301ca74b03c36a3bda1ca7f6b88b8148f430ac1e86d888658f9179d33192c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" fae301ca74b03c36a3bda1ca7f6b88b8148f430ac1e86d888658f9179d33192c.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4236 powershell.exe 4236 powershell.exe 4648 fae301ca74b03c36a3bda1ca7f6b88b8148f430ac1e86d888658f9179d33192c.exe 4648 fae301ca74b03c36a3bda1ca7f6b88b8148f430ac1e86d888658f9179d33192c.exe 768 powershell.exe 768 powershell.exe 5080 fae301ca74b03c36a3bda1ca7f6b88b8148f430ac1e86d888658f9179d33192c.exe 5080 fae301ca74b03c36a3bda1ca7f6b88b8148f430ac1e86d888658f9179d33192c.exe 5080 fae301ca74b03c36a3bda1ca7f6b88b8148f430ac1e86d888658f9179d33192c.exe 5080 fae301ca74b03c36a3bda1ca7f6b88b8148f430ac1e86d888658f9179d33192c.exe 5080 fae301ca74b03c36a3bda1ca7f6b88b8148f430ac1e86d888658f9179d33192c.exe 5080 fae301ca74b03c36a3bda1ca7f6b88b8148f430ac1e86d888658f9179d33192c.exe 5080 fae301ca74b03c36a3bda1ca7f6b88b8148f430ac1e86d888658f9179d33192c.exe 5080 fae301ca74b03c36a3bda1ca7f6b88b8148f430ac1e86d888658f9179d33192c.exe 5080 fae301ca74b03c36a3bda1ca7f6b88b8148f430ac1e86d888658f9179d33192c.exe 5080 fae301ca74b03c36a3bda1ca7f6b88b8148f430ac1e86d888658f9179d33192c.exe 1048 powershell.exe 1048 powershell.exe 3840 powershell.exe 3840 powershell.exe 1872 powershell.exe 1872 powershell.exe 4972 powershell.exe 4972 powershell.exe 2620 powershell.exe 2620 powershell.exe 3836 injector.exe 3836 injector.exe 3836 injector.exe 3836 injector.exe 3836 injector.exe 3836 injector.exe 3444 csrss.exe 3444 csrss.exe 3836 injector.exe 3836 injector.exe 3836 injector.exe 3836 injector.exe 3836 injector.exe 3836 injector.exe 3444 csrss.exe 3444 csrss.exe 3836 injector.exe 3836 injector.exe 3444 csrss.exe 3444 csrss.exe 3836 injector.exe 3836 injector.exe 3836 injector.exe 3836 injector.exe 3836 injector.exe 3836 injector.exe 3836 injector.exe 3836 injector.exe 3836 injector.exe 3836 injector.exe 3836 injector.exe 3836 injector.exe 3836 injector.exe 3836 injector.exe 3836 injector.exe 3836 injector.exe 3836 injector.exe 3836 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4236 powershell.exe Token: SeDebugPrivilege 4648 fae301ca74b03c36a3bda1ca7f6b88b8148f430ac1e86d888658f9179d33192c.exe Token: SeImpersonatePrivilege 4648 fae301ca74b03c36a3bda1ca7f6b88b8148f430ac1e86d888658f9179d33192c.exe Token: SeDebugPrivilege 768 powershell.exe Token: SeDebugPrivilege 1048 powershell.exe Token: SeDebugPrivilege 3840 powershell.exe Token: SeDebugPrivilege 1872 powershell.exe Token: SeDebugPrivilege 4972 powershell.exe Token: SeDebugPrivilege 2620 powershell.exe Token: SeSystemEnvironmentPrivilege 3444 csrss.exe Token: SeSecurityPrivilege 4156 sc.exe Token: SeSecurityPrivilege 4156 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4648 wrote to memory of 4236 4648 fae301ca74b03c36a3bda1ca7f6b88b8148f430ac1e86d888658f9179d33192c.exe 82 PID 4648 wrote to memory of 4236 4648 fae301ca74b03c36a3bda1ca7f6b88b8148f430ac1e86d888658f9179d33192c.exe 82 PID 4648 wrote to memory of 4236 4648 fae301ca74b03c36a3bda1ca7f6b88b8148f430ac1e86d888658f9179d33192c.exe 82 PID 5080 wrote to memory of 768 5080 fae301ca74b03c36a3bda1ca7f6b88b8148f430ac1e86d888658f9179d33192c.exe 87 PID 5080 wrote to memory of 768 5080 fae301ca74b03c36a3bda1ca7f6b88b8148f430ac1e86d888658f9179d33192c.exe 87 PID 5080 wrote to memory of 768 5080 fae301ca74b03c36a3bda1ca7f6b88b8148f430ac1e86d888658f9179d33192c.exe 87 PID 5080 wrote to memory of 1336 5080 fae301ca74b03c36a3bda1ca7f6b88b8148f430ac1e86d888658f9179d33192c.exe 89 PID 5080 wrote to memory of 1336 5080 fae301ca74b03c36a3bda1ca7f6b88b8148f430ac1e86d888658f9179d33192c.exe 89 PID 1336 wrote to memory of 992 1336 cmd.exe 91 PID 1336 wrote to memory of 992 1336 cmd.exe 91 PID 5080 wrote to memory of 1048 5080 fae301ca74b03c36a3bda1ca7f6b88b8148f430ac1e86d888658f9179d33192c.exe 92 PID 5080 wrote to memory of 1048 5080 fae301ca74b03c36a3bda1ca7f6b88b8148f430ac1e86d888658f9179d33192c.exe 92 PID 5080 wrote to memory of 1048 5080 fae301ca74b03c36a3bda1ca7f6b88b8148f430ac1e86d888658f9179d33192c.exe 92 PID 5080 wrote to memory of 3840 5080 fae301ca74b03c36a3bda1ca7f6b88b8148f430ac1e86d888658f9179d33192c.exe 94 PID 5080 wrote to memory of 3840 5080 fae301ca74b03c36a3bda1ca7f6b88b8148f430ac1e86d888658f9179d33192c.exe 94 PID 5080 wrote to memory of 3840 5080 fae301ca74b03c36a3bda1ca7f6b88b8148f430ac1e86d888658f9179d33192c.exe 94 PID 5080 wrote to memory of 3444 5080 fae301ca74b03c36a3bda1ca7f6b88b8148f430ac1e86d888658f9179d33192c.exe 96 PID 5080 wrote to memory of 3444 5080 fae301ca74b03c36a3bda1ca7f6b88b8148f430ac1e86d888658f9179d33192c.exe 96 PID 5080 wrote to memory of 3444 5080 fae301ca74b03c36a3bda1ca7f6b88b8148f430ac1e86d888658f9179d33192c.exe 96 PID 3444 wrote to memory of 1872 3444 csrss.exe 97 PID 3444 wrote to memory of 1872 3444 csrss.exe 97 PID 3444 wrote to memory of 1872 3444 csrss.exe 97 PID 3444 wrote to memory of 4972 3444 csrss.exe 103 PID 3444 wrote to memory of 4972 3444 csrss.exe 103 PID 3444 wrote to memory of 4972 3444 csrss.exe 103 PID 3444 wrote to memory of 2620 3444 csrss.exe 105 PID 3444 wrote to memory of 2620 3444 csrss.exe 105 PID 3444 wrote to memory of 2620 3444 csrss.exe 105 PID 3444 wrote to memory of 3836 3444 csrss.exe 107 PID 3444 wrote to memory of 3836 3444 csrss.exe 107 PID 688 wrote to memory of 924 688 windefender.exe 113 PID 688 wrote to memory of 924 688 windefender.exe 113 PID 688 wrote to memory of 924 688 windefender.exe 113 PID 924 wrote to memory of 4156 924 cmd.exe 114 PID 924 wrote to memory of 4156 924 cmd.exe 114 PID 924 wrote to memory of 4156 924 cmd.exe 114 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\fae301ca74b03c36a3bda1ca7f6b88b8148f430ac1e86d888658f9179d33192c.exe"C:\Users\Admin\AppData\Local\Temp\fae301ca74b03c36a3bda1ca7f6b88b8148f430ac1e86d888658f9179d33192c.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4648 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4236
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C:\Users\Admin\AppData\Local\Temp\fae301ca74b03c36a3bda1ca7f6b88b8148f430ac1e86d888658f9179d33192c.exe"C:\Users\Admin\AppData\Local\Temp\fae301ca74b03c36a3bda1ca7f6b88b8148f430ac1e86d888658f9179d33192c.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:5080 -
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:768
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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:1336 -
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:992
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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:1048
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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:3840
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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:3444 -
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:1872
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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:784
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2828
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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:4972
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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:2620
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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:3836
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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:4264
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:688 -
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:924 -
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:4156
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4548
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD583df95494164f4a1067cd37422ec0bea
SHA13c01499f913c49b3f60d17ff2319eaa2f5c5154d
SHA256f965d7c852755d35110d4dd425dd61fa4be1d596776854b2f862b2e473ab6a12
SHA512314805dca1f7e124b00919474802399d6dff6e82a47b8071778143c021edc9377a11eedbbf90aa10e52f1f3138555489bf143bd58a49b1f77dfd8faaec681bf8
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5361330f09a141e5ca3f3b92f12b8791f
SHA1f44e312344659f77ca15bf0dd7e1e3d3f95ba82f
SHA25614ee62bdf4ab820427ce3974911284b1620e4242f1a4d9850e7106bc20194c14
SHA5129782eb1f47d5951ec748c4621ecbe5b72015be14f2fc47cf9bc82b65c92e150e1d3ac76e34372240608c18d84f70241f75d1c5fc9861b59a995fe88363cfb932
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD573f747993541d9b9bbb6a5e9ad272d8b
SHA1a5b28fb5139703b64da314bad4f614ce0a6c9cbb
SHA256f5544053c86bdd385ff633e42dfaf9de35f96f721b15e2628c6db2febf85080d
SHA5120d36f9c3d32ecc812162f400f7ea1d22e1d0415678c5d5c4804a619004eae09ba3fb72378247c5e18f49f481fed87be13c9289a400191d804c72a6a1ba29eb38
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD597c1f93580ee8e8b22dbea78371a5544
SHA1fdd01a2385d719f61f89c767e23d810b760d03ee
SHA2564332fc3f40541cb98d80680638366ae246881aa05787eafa313a09d4078953b4
SHA5121df6235444ee42eb5894bda565f5d278b1587a884b755659d797ce2d82c6f572f2f75a2d16ed875c91e3df64e90867c7473493f6679f18579bf2cbc3fc4b95d1
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52837b40f3052851a4a1d332764c248af
SHA13673fbe910ed993d9ddebf63b76e79107b303079
SHA25609af9e15e0b839c5294f71c8ee98f72be0050f1b2459860b6fa52efef12dee52
SHA512570ee6b1d0597a337373be26ddabf594cc8c79f5042e06b2b4a70afc0fb40e1ab98dbcb7bfea64eaa27d40d0239a43d93e959bedc9114dd66a563a258b374361
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Filesize
4.1MB
MD5e2269f9e7b311ee5ca8649d5ef6ca70f
SHA1793e6ca75aea843c8e5a20cab989150b757ce03f
SHA256fae301ca74b03c36a3bda1ca7f6b88b8148f430ac1e86d888658f9179d33192c
SHA512c5630cc76ece2803684b1d8489fdfb11662680420a3f73105486f4748dca59f1153faee8bb3e209dca71bdaceab71750ca526020eed8b72d06151d91c3545c3d
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec