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Analysis
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max time kernel
150s -
max time network
151s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
18/05/2024, 15:14
Static task
static1
Behavioral task
behavioral1
Sample
433824584500a09bc7c011b5aeb57146758a334aa4b7e76d12463e39db5dee63.exe
Resource
win10v2004-20240426-en
General
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Target
433824584500a09bc7c011b5aeb57146758a334aa4b7e76d12463e39db5dee63.exe
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Size
4.1MB
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MD5
f5a3fc86085ef98887577b7a5a6db6b9
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SHA1
306c5b41fc64cdf7ff748c721599e0b01cf27191
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SHA256
433824584500a09bc7c011b5aeb57146758a334aa4b7e76d12463e39db5dee63
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SHA512
3e551ed9e748211095e55903dc9ca9519c17e6cab3a847ca54f4d1f8fb352110d1f0dcd5435fa535bff6188bf83965fff12b3e0e5d3f1f6334f58d574baae33a
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SSDEEP
98304:r3/aXnuKq8lIi6YuYM5DOP1Yy/qFVYXqnggvBm2Aw6XSjras4uEiZDLpDRiiT8:r3/aer8lIiPc9ySnggpxAJiIuBVpFiiI
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral2/memory/4560-2-0x00000000048D0000-0x00000000051BB000-memory.dmp family_glupteba behavioral2/memory/4560-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4560-53-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4560-54-0x00000000048D0000-0x00000000051BB000-memory.dmp family_glupteba behavioral2/memory/4560-51-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/800-125-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/700-204-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/700-214-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/700-216-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/700-218-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/700-220-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/700-222-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/700-224-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/700-226-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/700-228-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/700-230-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/700-232-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/700-236-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4876 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 700 csrss.exe 3088 injector.exe 1908 windefender.exe 4296 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa1d-208.dat upx behavioral2/memory/1908-209-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4296-212-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1908-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4296-215-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4296-219-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1696768468-2170909707-4198977321-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 433824584500a09bc7c011b5aeb57146758a334aa4b7e76d12463e39db5dee63.exe Set value (str) \REGISTRY\USER\S-1-5-21-1696768468-2170909707-4198977321-1000\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 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 -
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 433824584500a09bc7c011b5aeb57146758a334aa4b7e76d12463e39db5dee63.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 433824584500a09bc7c011b5aeb57146758a334aa4b7e76d12463e39db5dee63.exe File created C:\Windows\rss\csrss.exe 433824584500a09bc7c011b5aeb57146758a334aa4b7e76d12463e39db5dee63.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 2120 sc.exe -
pid Process 1824 powershell.exe 2964 powershell.exe 2488 powershell.exe 2220 powershell.exe 2264 powershell.exe 3888 powershell.exe 1824 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 2800 schtasks.exe 2452 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,-162 = "Central Standard Time" 433824584500a09bc7c011b5aeb57146758a334aa4b7e76d12463e39db5dee63.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" 433824584500a09bc7c011b5aeb57146758a334aa4b7e76d12463e39db5dee63.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-292 = "Central European Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1022 = "Bangladesh Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-104 = "Central Brazilian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" 433824584500a09bc7c011b5aeb57146758a334aa4b7e76d12463e39db5dee63.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time" 433824584500a09bc7c011b5aeb57146758a334aa4b7e76d12463e39db5dee63.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time" 433824584500a09bc7c011b5aeb57146758a334aa4b7e76d12463e39db5dee63.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,-372 = "Jerusalem Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time" 433824584500a09bc7c011b5aeb57146758a334aa4b7e76d12463e39db5dee63.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2412 = "Marquesas Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2751 = "Tomsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time" 433824584500a09bc7c011b5aeb57146758a334aa4b7e76d12463e39db5dee63.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time" 433824584500a09bc7c011b5aeb57146758a334aa4b7e76d12463e39db5dee63.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time" 433824584500a09bc7c011b5aeb57146758a334aa4b7e76d12463e39db5dee63.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1501 = "Turkey Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time" 433824584500a09bc7c011b5aeb57146758a334aa4b7e76d12463e39db5dee63.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-182 = "Mountain Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-961 = "Paraguay Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time" 433824584500a09bc7c011b5aeb57146758a334aa4b7e76d12463e39db5dee63.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time" 433824584500a09bc7c011b5aeb57146758a334aa4b7e76d12463e39db5dee63.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,-191 = "Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time" 433824584500a09bc7c011b5aeb57146758a334aa4b7e76d12463e39db5dee63.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time" 433824584500a09bc7c011b5aeb57146758a334aa4b7e76d12463e39db5dee63.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2162 = "Altai Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-281 = "Central Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-91 = "Pacific SA Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time" 433824584500a09bc7c011b5aeb57146758a334aa4b7e76d12463e39db5dee63.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" 433824584500a09bc7c011b5aeb57146758a334aa4b7e76d12463e39db5dee63.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time" 433824584500a09bc7c011b5aeb57146758a334aa4b7e76d12463e39db5dee63.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs 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,-2181 = "Astrakhan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-82 = "Atlantic Standard Time" windefender.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\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time" 433824584500a09bc7c011b5aeb57146758a334aa4b7e76d12463e39db5dee63.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" 433824584500a09bc7c011b5aeb57146758a334aa4b7e76d12463e39db5dee63.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1912 = "Russia TZ 10 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-221 = "Alaskan Daylight Time" 433824584500a09bc7c011b5aeb57146758a334aa4b7e76d12463e39db5dee63.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" 433824584500a09bc7c011b5aeb57146758a334aa4b7e76d12463e39db5dee63.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" 433824584500a09bc7c011b5aeb57146758a334aa4b7e76d12463e39db5dee63.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,-2871 = "Magallanes Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time" 433824584500a09bc7c011b5aeb57146758a334aa4b7e76d12463e39db5dee63.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs 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,-1822 = "Russia TZ 1 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-771 = "Montevideo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" 433824584500a09bc7c011b5aeb57146758a334aa4b7e76d12463e39db5dee63.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1824 powershell.exe 1824 powershell.exe 4560 433824584500a09bc7c011b5aeb57146758a334aa4b7e76d12463e39db5dee63.exe 4560 433824584500a09bc7c011b5aeb57146758a334aa4b7e76d12463e39db5dee63.exe 2964 powershell.exe 2964 powershell.exe 800 433824584500a09bc7c011b5aeb57146758a334aa4b7e76d12463e39db5dee63.exe 800 433824584500a09bc7c011b5aeb57146758a334aa4b7e76d12463e39db5dee63.exe 800 433824584500a09bc7c011b5aeb57146758a334aa4b7e76d12463e39db5dee63.exe 800 433824584500a09bc7c011b5aeb57146758a334aa4b7e76d12463e39db5dee63.exe 800 433824584500a09bc7c011b5aeb57146758a334aa4b7e76d12463e39db5dee63.exe 800 433824584500a09bc7c011b5aeb57146758a334aa4b7e76d12463e39db5dee63.exe 800 433824584500a09bc7c011b5aeb57146758a334aa4b7e76d12463e39db5dee63.exe 800 433824584500a09bc7c011b5aeb57146758a334aa4b7e76d12463e39db5dee63.exe 800 433824584500a09bc7c011b5aeb57146758a334aa4b7e76d12463e39db5dee63.exe 800 433824584500a09bc7c011b5aeb57146758a334aa4b7e76d12463e39db5dee63.exe 2488 powershell.exe 2488 powershell.exe 2220 powershell.exe 2220 powershell.exe 2264 powershell.exe 2264 powershell.exe 3888 powershell.exe 3888 powershell.exe 1824 powershell.exe 1824 powershell.exe 3088 injector.exe 3088 injector.exe 3088 injector.exe 3088 injector.exe 3088 injector.exe 3088 injector.exe 700 csrss.exe 700 csrss.exe 3088 injector.exe 3088 injector.exe 3088 injector.exe 3088 injector.exe 3088 injector.exe 3088 injector.exe 700 csrss.exe 700 csrss.exe 3088 injector.exe 3088 injector.exe 3088 injector.exe 3088 injector.exe 700 csrss.exe 700 csrss.exe 3088 injector.exe 3088 injector.exe 3088 injector.exe 3088 injector.exe 3088 injector.exe 3088 injector.exe 3088 injector.exe 3088 injector.exe 3088 injector.exe 3088 injector.exe 3088 injector.exe 3088 injector.exe 3088 injector.exe 3088 injector.exe 3088 injector.exe 3088 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1824 powershell.exe Token: SeDebugPrivilege 4560 433824584500a09bc7c011b5aeb57146758a334aa4b7e76d12463e39db5dee63.exe Token: SeImpersonatePrivilege 4560 433824584500a09bc7c011b5aeb57146758a334aa4b7e76d12463e39db5dee63.exe Token: SeDebugPrivilege 2964 powershell.exe Token: SeDebugPrivilege 2488 powershell.exe Token: SeDebugPrivilege 2220 powershell.exe Token: SeDebugPrivilege 2264 powershell.exe Token: SeDebugPrivilege 3888 powershell.exe Token: SeDebugPrivilege 1824 powershell.exe Token: SeSystemEnvironmentPrivilege 700 csrss.exe Token: SeSecurityPrivilege 2120 sc.exe Token: SeSecurityPrivilege 2120 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4560 wrote to memory of 1824 4560 433824584500a09bc7c011b5aeb57146758a334aa4b7e76d12463e39db5dee63.exe 104 PID 4560 wrote to memory of 1824 4560 433824584500a09bc7c011b5aeb57146758a334aa4b7e76d12463e39db5dee63.exe 104 PID 4560 wrote to memory of 1824 4560 433824584500a09bc7c011b5aeb57146758a334aa4b7e76d12463e39db5dee63.exe 104 PID 800 wrote to memory of 2964 800 433824584500a09bc7c011b5aeb57146758a334aa4b7e76d12463e39db5dee63.exe 86 PID 800 wrote to memory of 2964 800 433824584500a09bc7c011b5aeb57146758a334aa4b7e76d12463e39db5dee63.exe 86 PID 800 wrote to memory of 2964 800 433824584500a09bc7c011b5aeb57146758a334aa4b7e76d12463e39db5dee63.exe 86 PID 800 wrote to memory of 2260 800 433824584500a09bc7c011b5aeb57146758a334aa4b7e76d12463e39db5dee63.exe 88 PID 800 wrote to memory of 2260 800 433824584500a09bc7c011b5aeb57146758a334aa4b7e76d12463e39db5dee63.exe 88 PID 2260 wrote to memory of 4876 2260 cmd.exe 90 PID 2260 wrote to memory of 4876 2260 cmd.exe 90 PID 800 wrote to memory of 2488 800 433824584500a09bc7c011b5aeb57146758a334aa4b7e76d12463e39db5dee63.exe 91 PID 800 wrote to memory of 2488 800 433824584500a09bc7c011b5aeb57146758a334aa4b7e76d12463e39db5dee63.exe 91 PID 800 wrote to memory of 2488 800 433824584500a09bc7c011b5aeb57146758a334aa4b7e76d12463e39db5dee63.exe 91 PID 800 wrote to memory of 2220 800 433824584500a09bc7c011b5aeb57146758a334aa4b7e76d12463e39db5dee63.exe 93 PID 800 wrote to memory of 2220 800 433824584500a09bc7c011b5aeb57146758a334aa4b7e76d12463e39db5dee63.exe 93 PID 800 wrote to memory of 2220 800 433824584500a09bc7c011b5aeb57146758a334aa4b7e76d12463e39db5dee63.exe 93 PID 800 wrote to memory of 700 800 433824584500a09bc7c011b5aeb57146758a334aa4b7e76d12463e39db5dee63.exe 95 PID 800 wrote to memory of 700 800 433824584500a09bc7c011b5aeb57146758a334aa4b7e76d12463e39db5dee63.exe 95 PID 800 wrote to memory of 700 800 433824584500a09bc7c011b5aeb57146758a334aa4b7e76d12463e39db5dee63.exe 95 PID 700 wrote to memory of 2264 700 csrss.exe 96 PID 700 wrote to memory of 2264 700 csrss.exe 96 PID 700 wrote to memory of 2264 700 csrss.exe 96 PID 700 wrote to memory of 3888 700 csrss.exe 102 PID 700 wrote to memory of 3888 700 csrss.exe 102 PID 700 wrote to memory of 3888 700 csrss.exe 102 PID 700 wrote to memory of 1824 700 csrss.exe 104 PID 700 wrote to memory of 1824 700 csrss.exe 104 PID 700 wrote to memory of 1824 700 csrss.exe 104 PID 700 wrote to memory of 3088 700 csrss.exe 106 PID 700 wrote to memory of 3088 700 csrss.exe 106 PID 1908 wrote to memory of 3352 1908 windefender.exe 112 PID 1908 wrote to memory of 3352 1908 windefender.exe 112 PID 1908 wrote to memory of 3352 1908 windefender.exe 112 PID 3352 wrote to memory of 2120 3352 cmd.exe 113 PID 3352 wrote to memory of 2120 3352 cmd.exe 113 PID 3352 wrote to memory of 2120 3352 cmd.exe 113 -
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\433824584500a09bc7c011b5aeb57146758a334aa4b7e76d12463e39db5dee63.exe"C:\Users\Admin\AppData\Local\Temp\433824584500a09bc7c011b5aeb57146758a334aa4b7e76d12463e39db5dee63.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4560 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1824
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C:\Users\Admin\AppData\Local\Temp\433824584500a09bc7c011b5aeb57146758a334aa4b7e76d12463e39db5dee63.exe"C:\Users\Admin\AppData\Local\Temp\433824584500a09bc7c011b5aeb57146758a334aa4b7e76d12463e39db5dee63.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:800 -
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:2964
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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:2260 -
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:4876
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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:2488
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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:2220
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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:700 -
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:2264
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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:2800
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4908
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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:3888
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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:1824
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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:3088
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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:2452
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1908 -
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:3352 -
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:2120
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4296
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
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f9378a5bf1287bed7bc690cb847c47a7
SHA1753d5b288b4de949619e7ed97e3c93caf362b8d0
SHA256ec5ae3dda5e24bb2e38fcbd1482f69e414bcea546828b21ea693598b47a6449e
SHA512529830a320bee56f219c96120d8f811fa2a467dbb35a939498b8bcc9200d05fbb01955b42e8a503f7c06ab2f90e369bc081b5815d15d5208c31f313026e5e97a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57f98acf69847a6ea59d9cab2dc30d45c
SHA145983ae3eadc4bec40730cfb538b1149f1ba22e6
SHA2564806b432d26028ec14868d8f26803f69205e404857e201c0887729048337d122
SHA512951b0537fb3348d40c654940b6c5c4f41b980e463789906261397d4d2791465d68e6e8b635056cf623057a4b049818509c1046b85c2c4b1a91f50dc981d08ad6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55f8e31eb28370226dae9ecb0076e3fe3
SHA11b445c22f9c16566855510d094ffc1926ecec79e
SHA2562f3c4ae7db4f69c5b8b7cd086778af5cb442e415fe0befe101d176f69515f3db
SHA512a0c05281820088646a6772fd94155beb77dba3c762b91d6d3238f9e04565566bdfc02b2a05e5aae057f1cd71899e6677f6874b137fdae9f66744c54a0c5cdcd8
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5fa0532be268213f2c6d2f0ccd00ed006
SHA18cda51f2722a0102a7c43f15cc73a6da3e57ebc2
SHA256adb96e0c633f38d9c691ab5a111ee7aba39c26afca0c83024bfb4babeaafe5e0
SHA512d814734b4ea7c69d95137e68894378d1fe99bf446f5bcb217030045d59c5380a36200d3b7a6f04f38627ebfa7b7f7e1d46011f892cdbc78b1610372e124d196c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5147593477c37a546c2709fa92ea51a7f
SHA159229428b2260354531ca517ada330b3708a42ef
SHA2562cd81214f8ea60fd9b2e1e23bb8e91d0c2d54a35dfe55c70c445432159a2d5f7
SHA5128c5d67f5976cdde1df58396d1ff75657897ed7ae1ec6681242420bf0105ad959d1b3c46b6abb102b845b29fdba0768bb671bdf08c75eb86780fb87d19a02dce3
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Filesize
4.1MB
MD5f5a3fc86085ef98887577b7a5a6db6b9
SHA1306c5b41fc64cdf7ff748c721599e0b01cf27191
SHA256433824584500a09bc7c011b5aeb57146758a334aa4b7e76d12463e39db5dee63
SHA5123e551ed9e748211095e55903dc9ca9519c17e6cab3a847ca54f4d1f8fb352110d1f0dcd5435fa535bff6188bf83965fff12b3e0e5d3f1f6334f58d574baae33a
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec