Analysis
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max time kernel
150s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
19-05-2024 08:59
Static task
static1
Behavioral task
behavioral1
Sample
32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe
Resource
win10v2004-20240426-en
General
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Target
32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe
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Size
4.1MB
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MD5
84e26c2043049ad15f5c75ae56221b40
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SHA1
b410d83980e463db075f2acab3ae2eecdc438d70
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SHA256
32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9
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SHA512
530830641ca74fcb5f35388067268b4334a623a0eb945af01a0a1a95faed19bbf3ce57802bcbaa503bd728ee61d8b3bed03e5a8ba0248620a530c9e984be2086
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SSDEEP
98304:gvCQaDBnSWO/B+XxjapSyZlG1PnsYHdaWgIg92gsnC3bzMZh6P16:gvC3DFSWO/BjYGk1PnXHoWWZ1za6N6
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/2924-2-0x0000000004460000-0x0000000004D4B000-memory.dmp family_glupteba behavioral1/memory/2924-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2924-53-0x0000000004460000-0x0000000004D4B000-memory.dmp family_glupteba behavioral1/memory/2924-50-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/2924-52-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1504-133-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/4788-216-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/4788-226-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/4788-228-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/4788-230-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/4788-232-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/4788-234-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/4788-236-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/4788-238-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/4788-240-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/4788-242-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/4788-244-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/4788-246-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/4788-248-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3696 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4788 csrss.exe 4344 injector.exe 3596 windefender.exe 4452 windefender.exe -
resource yara_rule behavioral1/files/0x0008000000023418-219.dat upx behavioral1/memory/3596-220-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4452-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3596-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4452-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4452-231-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.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 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 -
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 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe -
Drops file in Windows directory 4 IoCs
description ioc Process 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 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe File created C:\Windows\rss\csrss.exe 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 2384 sc.exe -
pid Process 2264 powershell.exe 2712 powershell.exe 3184 powershell.exe 3912 powershell.exe 3992 powershell.exe 220 powershell.exe 3728 powershell.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 2316 1504 WerFault.exe 93 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4432 schtasks.exe 4304 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,-2872 = "Magallanes Standard Time" 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-892 = "Morocco Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2752 = "Tomsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time" 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time" 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-391 = "Arab Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-261 = "GMT Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time" 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-435 = "Georgian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2841 = "Saratov 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" 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1661 = "Bahia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time" 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-741 = "New Zealand Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time" 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time" 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time" 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\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,-362 = "GTB 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,-1471 = "Magadan Daylight Time" 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time" 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-262 = "GMT Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-491 = "India Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.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\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time" 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2532 = "Chatham Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time" 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time" 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-621 = "Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2792 = "Novosibirsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-385 = "Namibia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-201 = "US Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time" 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time" 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2712 powershell.exe 2712 powershell.exe 2924 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe 2924 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe 3184 powershell.exe 3184 powershell.exe 1504 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe 1504 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe 1504 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe 1504 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe 1504 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe 1504 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe 1504 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe 1504 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe 1504 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe 1504 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe 3912 powershell.exe 3912 powershell.exe 3992 powershell.exe 3992 powershell.exe 220 powershell.exe 220 powershell.exe 220 powershell.exe 3728 powershell.exe 3728 powershell.exe 2264 powershell.exe 2264 powershell.exe 4344 injector.exe 4344 injector.exe 4344 injector.exe 4344 injector.exe 4344 injector.exe 4344 injector.exe 4788 csrss.exe 4788 csrss.exe 4344 injector.exe 4344 injector.exe 4344 injector.exe 4344 injector.exe 4344 injector.exe 4344 injector.exe 4788 csrss.exe 4788 csrss.exe 4344 injector.exe 4344 injector.exe 4344 injector.exe 4344 injector.exe 4788 csrss.exe 4788 csrss.exe 4344 injector.exe 4344 injector.exe 4344 injector.exe 4344 injector.exe 4344 injector.exe 4344 injector.exe 4344 injector.exe 4344 injector.exe 4344 injector.exe 4344 injector.exe 4344 injector.exe 4344 injector.exe 4344 injector.exe 4344 injector.exe 4344 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2712 powershell.exe Token: SeDebugPrivilege 2924 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe Token: SeImpersonatePrivilege 2924 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe Token: SeDebugPrivilege 3184 powershell.exe Token: SeDebugPrivilege 3912 powershell.exe Token: SeDebugPrivilege 3992 powershell.exe Token: SeDebugPrivilege 220 powershell.exe Token: SeDebugPrivilege 3728 powershell.exe Token: SeDebugPrivilege 2264 powershell.exe Token: SeSystemEnvironmentPrivilege 4788 csrss.exe Token: SeSecurityPrivilege 2384 sc.exe Token: SeSecurityPrivilege 2384 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2924 wrote to memory of 2712 2924 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe 85 PID 2924 wrote to memory of 2712 2924 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe 85 PID 2924 wrote to memory of 2712 2924 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe 85 PID 1504 wrote to memory of 3184 1504 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe 94 PID 1504 wrote to memory of 3184 1504 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe 94 PID 1504 wrote to memory of 3184 1504 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe 94 PID 1504 wrote to memory of 212 1504 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe 98 PID 1504 wrote to memory of 212 1504 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe 98 PID 212 wrote to memory of 3696 212 cmd.exe 100 PID 212 wrote to memory of 3696 212 cmd.exe 100 PID 1504 wrote to memory of 3912 1504 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe 101 PID 1504 wrote to memory of 3912 1504 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe 101 PID 1504 wrote to memory of 3912 1504 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe 101 PID 1504 wrote to memory of 3992 1504 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe 105 PID 1504 wrote to memory of 3992 1504 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe 105 PID 1504 wrote to memory of 3992 1504 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe 105 PID 1504 wrote to memory of 4788 1504 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe 107 PID 1504 wrote to memory of 4788 1504 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe 107 PID 1504 wrote to memory of 4788 1504 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe 107 PID 4788 wrote to memory of 220 4788 csrss.exe 111 PID 4788 wrote to memory of 220 4788 csrss.exe 111 PID 4788 wrote to memory of 220 4788 csrss.exe 111 PID 4788 wrote to memory of 3728 4788 csrss.exe 117 PID 4788 wrote to memory of 3728 4788 csrss.exe 117 PID 4788 wrote to memory of 3728 4788 csrss.exe 117 PID 4788 wrote to memory of 2264 4788 csrss.exe 119 PID 4788 wrote to memory of 2264 4788 csrss.exe 119 PID 4788 wrote to memory of 2264 4788 csrss.exe 119 PID 4788 wrote to memory of 4344 4788 csrss.exe 121 PID 4788 wrote to memory of 4344 4788 csrss.exe 121 PID 3596 wrote to memory of 1348 3596 windefender.exe 127 PID 3596 wrote to memory of 1348 3596 windefender.exe 127 PID 3596 wrote to memory of 1348 3596 windefender.exe 127 PID 1348 wrote to memory of 2384 1348 cmd.exe 128 PID 1348 wrote to memory of 2384 1348 cmd.exe 128 PID 1348 wrote to memory of 2384 1348 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\32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe"C:\Users\Admin\AppData\Local\Temp\32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2924 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2712
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C:\Users\Admin\AppData\Local\Temp\32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe"C:\Users\Admin\AppData\Local\Temp\32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.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:1504 -
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:3184
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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:212 -
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:3696
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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:3912
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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:3992
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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:4788 -
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:220
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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:4432
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4360
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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:3728
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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:2264
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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:4344
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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:4304
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3596 -
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:1348 -
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:2384
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1504 -s 8683⤵
- Program crash
PID:2316
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1504 -ip 15041⤵PID:1668
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4452
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f422fa1aeb42937c0260a1056e7ce137
SHA1728d4c40b18905cbef3eb15d64200f1d6a30d277
SHA2560dcfbf81f102a0704ca8233c9f98d0c9342f86c772980dc5857c06224b5da930
SHA51240811bcd3b0ffa8986a5e17916102eb489698d0539009d77cbbdbca902024f630acef82d38e5f711b3bef4ebab460a4243554e53a5fd0b1e3d48817387362323
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5cbc8f03fa4c08d82dc7df65552818915
SHA156b51886ac631d4ecea3fd481596bb5c100fda70
SHA256b1b222ae5d4cf24d99016287ecac0ce521612927d3f99843f72443ba21664ebb
SHA51235ec9370f21f772ece01d030263641617ab52990091edb011a6c0968e819b5298367663d2cee2dce6175bda0eaed6bcb544bd14cbf238cd07ec8a59c204ef395
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5bbf5c7d3a2979df904aa179fae51a964
SHA15dea960b1a4d24420f607bd1ed9005565ff562f6
SHA2561a88c17310ebfb7b132cf6fd45ef8a472d42ee30215ff80cf1799c0ade55d770
SHA5127acc47e1de8b9f61cddbb92345f629fd81f76e7894b69c3e06966b73a1fc044e2406969ea6dc26ae07c490ebf4f37830f081bb8f5319a02232287b98518abee3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5da8a059a26d4934afb2a1431075373f0
SHA1254e2d80d8160e4e73b0ae74379052a869915901
SHA256a55f256e619a789608be8648256421791334b5766289dc70311711f59b7a4a45
SHA5129ef136979fd48d80f6755d26b0388b3388248d14523914333d18bf705b3ff8fdd4b174ca800f9edc5ec81845a626d4ccca23f0cbab3dbb3c33c572be7bff8817
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5db9108734873c6bafda769ce07080c84
SHA158aad38c02f630234f99e44938b8863cf8b3b633
SHA256ac91027d031f75d4ff0d25db9d908fc507d6757bb7cee605826457bbf62c08dd
SHA5123e0ae5dcf353aa75e863ab0d471d93deb78afe6f211867ef64c5535b360ca65e1119f487d0ff7c0aa93b302bd35e4c204f812166f61d77c8dc6d098b159235b7
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Filesize
4.1MB
MD584e26c2043049ad15f5c75ae56221b40
SHA1b410d83980e463db075f2acab3ae2eecdc438d70
SHA25632822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9
SHA512530830641ca74fcb5f35388067268b4334a623a0eb945af01a0a1a95faed19bbf3ce57802bcbaa503bd728ee61d8b3bed03e5a8ba0248620a530c9e984be2086
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec