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Analysis
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max time kernel
149s -
max time network
151s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
09/05/2024, 16:54
Static task
static1
Behavioral task
behavioral1
Sample
d7a332b941b584760969d2fe3c758cfa3f73ee8d7dbe83c81bad49c29f746d7e.exe
Resource
win10v2004-20240426-en
General
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Target
d7a332b941b584760969d2fe3c758cfa3f73ee8d7dbe83c81bad49c29f746d7e.exe
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Size
4.1MB
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MD5
cb81b0e64247f910f88468427269ccf7
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SHA1
2c8089314f5f28438586ba5bb29aaa28eb891192
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SHA256
d7a332b941b584760969d2fe3c758cfa3f73ee8d7dbe83c81bad49c29f746d7e
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SHA512
760da83de80037dc4e3dfc0c180aa985cbd90030a1400e90199de9afd2a00de09f76f1bd116f0c40dbf78a1b4e98e26600f8a649c1a69a5168b5a38b1b7bd0c2
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SSDEEP
98304:blDK2ogLLeo95J5ZPcfTDKdk17ZCPQ0/B9CeuvJXiZ9xD4RskEV31Kmzo:h7B3j0rWdEQQ059Cfd4xbkE91Km0
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral2/memory/4988-2-0x0000000005010000-0x00000000058FB000-memory.dmp family_glupteba behavioral2/memory/4988-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4988-42-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/4988-52-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4988-53-0x0000000005010000-0x00000000058FB000-memory.dmp family_glupteba behavioral2/memory/4988-50-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/388-76-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/388-128-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/348-205-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/348-217-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/348-219-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/348-222-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/348-226-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/348-229-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/348-231-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/348-234-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/348-238-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/348-241-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3900 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 348 csrss.exe 3428 injector.exe 1072 windefender.exe 4892 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa15-210.dat upx behavioral2/memory/1072-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4892-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1072-216-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4892-220-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4892-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1672260578-815027929-964132517-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" d7a332b941b584760969d2fe3c758cfa3f73ee8d7dbe83c81bad49c29f746d7e.exe Set value (str) \REGISTRY\USER\S-1-5-21-1672260578-815027929-964132517-1000\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 d7a332b941b584760969d2fe3c758cfa3f73ee8d7dbe83c81bad49c29f746d7e.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss d7a332b941b584760969d2fe3c758cfa3f73ee8d7dbe83c81bad49c29f746d7e.exe File created C:\Windows\rss\csrss.exe d7a332b941b584760969d2fe3c758cfa3f73ee8d7dbe83c81bad49c29f746d7e.exe File created 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 1676 sc.exe -
pid Process 4980 powershell.exe 3404 powershell.exe 2092 powershell.exe 4944 powershell.exe 2528 powershell.exe 1356 powershell.exe 2104 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 3676 schtasks.exe 4412 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,-1662 = "Bahia Standard Time" d7a332b941b584760969d2fe3c758cfa3f73ee8d7dbe83c81bad49c29f746d7e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time" d7a332b941b584760969d2fe3c758cfa3f73ee8d7dbe83c81bad49c29f746d7e.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\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time" d7a332b941b584760969d2fe3c758cfa3f73ee8d7dbe83c81bad49c29f746d7e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (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,-2571 = "Turks and Caicos Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time" d7a332b941b584760969d2fe3c758cfa3f73ee8d7dbe83c81bad49c29f746d7e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs 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,-721 = "Central Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time" d7a332b941b584760969d2fe3c758cfa3f73ee8d7dbe83c81bad49c29f746d7e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-131 = "US Eastern Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time" d7a332b941b584760969d2fe3c758cfa3f73ee8d7dbe83c81bad49c29f746d7e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" d7a332b941b584760969d2fe3c758cfa3f73ee8d7dbe83c81bad49c29f746d7e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" d7a332b941b584760969d2fe3c758cfa3f73ee8d7dbe83c81bad49c29f746d7e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.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\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" d7a332b941b584760969d2fe3c758cfa3f73ee8d7dbe83c81bad49c29f746d7e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time" d7a332b941b584760969d2fe3c758cfa3f73ee8d7dbe83c81bad49c29f746d7e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2181 = "Astrakhan Daylight Time" windefender.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,-172 = "Central Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2891 = "Sudan 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" d7a332b941b584760969d2fe3c758cfa3f73ee8d7dbe83c81bad49c29f746d7e.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" d7a332b941b584760969d2fe3c758cfa3f73ee8d7dbe83c81bad49c29f746d7e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1662 = "Bahia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3141 = "South Sudan Daylight Time" windefender.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\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time" d7a332b941b584760969d2fe3c758cfa3f73ee8d7dbe83c81bad49c29f746d7e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time" d7a332b941b584760969d2fe3c758cfa3f73ee8d7dbe83c81bad49c29f746d7e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time" d7a332b941b584760969d2fe3c758cfa3f73ee8d7dbe83c81bad49c29f746d7e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-251 = "Dateline Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-384 = "Namibia Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-871 = "Pakistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time" d7a332b941b584760969d2fe3c758cfa3f73ee8d7dbe83c81bad49c29f746d7e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time" d7a332b941b584760969d2fe3c758cfa3f73ee8d7dbe83c81bad49c29f746d7e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" d7a332b941b584760969d2fe3c758cfa3f73ee8d7dbe83c81bad49c29f746d7e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time" d7a332b941b584760969d2fe3c758cfa3f73ee8d7dbe83c81bad49c29f746d7e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time" d7a332b941b584760969d2fe3c758cfa3f73ee8d7dbe83c81bad49c29f746d7e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-442 = "Arabian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-51 = "Greenland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" d7a332b941b584760969d2fe3c758cfa3f73ee8d7dbe83c81bad49c29f746d7e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" d7a332b941b584760969d2fe3c758cfa3f73ee8d7dbe83c81bad49c29f746d7e.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\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-31 = "Mid-Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1832 = "Russia TZ 2 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time" d7a332b941b584760969d2fe3c758cfa3f73ee8d7dbe83c81bad49c29f746d7e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time" d7a332b941b584760969d2fe3c758cfa3f73ee8d7dbe83c81bad49c29f746d7e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1356 powershell.exe 1356 powershell.exe 4988 d7a332b941b584760969d2fe3c758cfa3f73ee8d7dbe83c81bad49c29f746d7e.exe 4988 d7a332b941b584760969d2fe3c758cfa3f73ee8d7dbe83c81bad49c29f746d7e.exe 2104 powershell.exe 2104 powershell.exe 388 d7a332b941b584760969d2fe3c758cfa3f73ee8d7dbe83c81bad49c29f746d7e.exe 388 d7a332b941b584760969d2fe3c758cfa3f73ee8d7dbe83c81bad49c29f746d7e.exe 388 d7a332b941b584760969d2fe3c758cfa3f73ee8d7dbe83c81bad49c29f746d7e.exe 388 d7a332b941b584760969d2fe3c758cfa3f73ee8d7dbe83c81bad49c29f746d7e.exe 388 d7a332b941b584760969d2fe3c758cfa3f73ee8d7dbe83c81bad49c29f746d7e.exe 388 d7a332b941b584760969d2fe3c758cfa3f73ee8d7dbe83c81bad49c29f746d7e.exe 388 d7a332b941b584760969d2fe3c758cfa3f73ee8d7dbe83c81bad49c29f746d7e.exe 388 d7a332b941b584760969d2fe3c758cfa3f73ee8d7dbe83c81bad49c29f746d7e.exe 388 d7a332b941b584760969d2fe3c758cfa3f73ee8d7dbe83c81bad49c29f746d7e.exe 388 d7a332b941b584760969d2fe3c758cfa3f73ee8d7dbe83c81bad49c29f746d7e.exe 4980 powershell.exe 4980 powershell.exe 3404 powershell.exe 3404 powershell.exe 2092 powershell.exe 2092 powershell.exe 4944 powershell.exe 4944 powershell.exe 2528 powershell.exe 2528 powershell.exe 3428 injector.exe 3428 injector.exe 3428 injector.exe 3428 injector.exe 3428 injector.exe 3428 injector.exe 348 csrss.exe 348 csrss.exe 3428 injector.exe 3428 injector.exe 3428 injector.exe 3428 injector.exe 3428 injector.exe 3428 injector.exe 348 csrss.exe 348 csrss.exe 3428 injector.exe 3428 injector.exe 348 csrss.exe 348 csrss.exe 3428 injector.exe 3428 injector.exe 3428 injector.exe 3428 injector.exe 3428 injector.exe 3428 injector.exe 3428 injector.exe 3428 injector.exe 3428 injector.exe 3428 injector.exe 3428 injector.exe 3428 injector.exe 3428 injector.exe 3428 injector.exe 3428 injector.exe 3428 injector.exe 3428 injector.exe 3428 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1356 powershell.exe Token: SeDebugPrivilege 4988 d7a332b941b584760969d2fe3c758cfa3f73ee8d7dbe83c81bad49c29f746d7e.exe Token: SeImpersonatePrivilege 4988 d7a332b941b584760969d2fe3c758cfa3f73ee8d7dbe83c81bad49c29f746d7e.exe Token: SeDebugPrivilege 2104 powershell.exe Token: SeDebugPrivilege 4980 powershell.exe Token: SeDebugPrivilege 3404 powershell.exe Token: SeDebugPrivilege 2092 powershell.exe Token: SeDebugPrivilege 4944 powershell.exe Token: SeDebugPrivilege 2528 powershell.exe Token: SeSystemEnvironmentPrivilege 348 csrss.exe Token: SeSecurityPrivilege 1676 sc.exe Token: SeSecurityPrivilege 1676 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4988 wrote to memory of 1356 4988 d7a332b941b584760969d2fe3c758cfa3f73ee8d7dbe83c81bad49c29f746d7e.exe 82 PID 4988 wrote to memory of 1356 4988 d7a332b941b584760969d2fe3c758cfa3f73ee8d7dbe83c81bad49c29f746d7e.exe 82 PID 4988 wrote to memory of 1356 4988 d7a332b941b584760969d2fe3c758cfa3f73ee8d7dbe83c81bad49c29f746d7e.exe 82 PID 388 wrote to memory of 2104 388 d7a332b941b584760969d2fe3c758cfa3f73ee8d7dbe83c81bad49c29f746d7e.exe 87 PID 388 wrote to memory of 2104 388 d7a332b941b584760969d2fe3c758cfa3f73ee8d7dbe83c81bad49c29f746d7e.exe 87 PID 388 wrote to memory of 2104 388 d7a332b941b584760969d2fe3c758cfa3f73ee8d7dbe83c81bad49c29f746d7e.exe 87 PID 388 wrote to memory of 3544 388 d7a332b941b584760969d2fe3c758cfa3f73ee8d7dbe83c81bad49c29f746d7e.exe 89 PID 388 wrote to memory of 3544 388 d7a332b941b584760969d2fe3c758cfa3f73ee8d7dbe83c81bad49c29f746d7e.exe 89 PID 3544 wrote to memory of 3900 3544 cmd.exe 91 PID 3544 wrote to memory of 3900 3544 cmd.exe 91 PID 388 wrote to memory of 4980 388 d7a332b941b584760969d2fe3c758cfa3f73ee8d7dbe83c81bad49c29f746d7e.exe 92 PID 388 wrote to memory of 4980 388 d7a332b941b584760969d2fe3c758cfa3f73ee8d7dbe83c81bad49c29f746d7e.exe 92 PID 388 wrote to memory of 4980 388 d7a332b941b584760969d2fe3c758cfa3f73ee8d7dbe83c81bad49c29f746d7e.exe 92 PID 388 wrote to memory of 3404 388 d7a332b941b584760969d2fe3c758cfa3f73ee8d7dbe83c81bad49c29f746d7e.exe 94 PID 388 wrote to memory of 3404 388 d7a332b941b584760969d2fe3c758cfa3f73ee8d7dbe83c81bad49c29f746d7e.exe 94 PID 388 wrote to memory of 3404 388 d7a332b941b584760969d2fe3c758cfa3f73ee8d7dbe83c81bad49c29f746d7e.exe 94 PID 388 wrote to memory of 348 388 d7a332b941b584760969d2fe3c758cfa3f73ee8d7dbe83c81bad49c29f746d7e.exe 96 PID 388 wrote to memory of 348 388 d7a332b941b584760969d2fe3c758cfa3f73ee8d7dbe83c81bad49c29f746d7e.exe 96 PID 388 wrote to memory of 348 388 d7a332b941b584760969d2fe3c758cfa3f73ee8d7dbe83c81bad49c29f746d7e.exe 96 PID 348 wrote to memory of 2092 348 csrss.exe 97 PID 348 wrote to memory of 2092 348 csrss.exe 97 PID 348 wrote to memory of 2092 348 csrss.exe 97 PID 348 wrote to memory of 4944 348 csrss.exe 103 PID 348 wrote to memory of 4944 348 csrss.exe 103 PID 348 wrote to memory of 4944 348 csrss.exe 103 PID 348 wrote to memory of 2528 348 csrss.exe 105 PID 348 wrote to memory of 2528 348 csrss.exe 105 PID 348 wrote to memory of 2528 348 csrss.exe 105 PID 348 wrote to memory of 3428 348 csrss.exe 107 PID 348 wrote to memory of 3428 348 csrss.exe 107 PID 1072 wrote to memory of 1492 1072 windefender.exe 113 PID 1072 wrote to memory of 1492 1072 windefender.exe 113 PID 1072 wrote to memory of 1492 1072 windefender.exe 113 PID 1492 wrote to memory of 1676 1492 cmd.exe 114 PID 1492 wrote to memory of 1676 1492 cmd.exe 114 PID 1492 wrote to memory of 1676 1492 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\d7a332b941b584760969d2fe3c758cfa3f73ee8d7dbe83c81bad49c29f746d7e.exe"C:\Users\Admin\AppData\Local\Temp\d7a332b941b584760969d2fe3c758cfa3f73ee8d7dbe83c81bad49c29f746d7e.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4988 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1356
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C:\Users\Admin\AppData\Local\Temp\d7a332b941b584760969d2fe3c758cfa3f73ee8d7dbe83c81bad49c29f746d7e.exe"C:\Users\Admin\AppData\Local\Temp\d7a332b941b584760969d2fe3c758cfa3f73ee8d7dbe83c81bad49c29f746d7e.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:388 -
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:2104
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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:3544 -
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:3900
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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:4980
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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:3404
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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:348 -
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:2092
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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:3676
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2184
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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:4944
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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:2528
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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:3428
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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:4412
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1072 -
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:1492 -
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:1676
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4892
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
MD52d0936133547299e3ec4ff50191e18c7
SHA193f38bcbaf8774aaa12d76f13503358a403c703d
SHA256019a269209a46fe23cb33d938f4b5eb35d8198fd840b6ca907698ab9735b7f3b
SHA512346c8f291e2a47c2cea50d49054cee9204ad8b8a2eb3b98a7de2dfd0bd19d38aa0d4554948dcc566bdc809d40805315990ac44ad22818dc3eb13882072e88500
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50e701ac50999bb547e75509901ff3f8e
SHA107f383577978fb92c3f97453099ba88585c103fd
SHA2565198a042fe4e33da73dcf7ef9bbfe05132c2a02612758c30ced4080d19f4160d
SHA5121d049627fbe166115417c4581ecb399b105144a94aedc62995c8c704d2d396bfbb36601a475e9668855609f90ddfc0386413063da45809c168019b9c72b02558
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD554d3efbc76db37b11ffd9f6fa2f0528e
SHA15f430164c298f6ec2cd33c70969ef0095f7cf5c4
SHA2560a70b07d78ddd27a8ca9b946711bf52c43712dd2fccc656dd23addf12288be18
SHA512688d372e44785b80864dc4532ee7f4a2505cb6b53efbaa39035698e52045c3abf6edbe1231fc5acefc16b1abb8618fa58ba0df7ebbc29ea5de9a7d3b4d71ef95
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD591d094f1a072689e0b4f069ff51a5bd5
SHA1015367be7188ca3839c2b176cb106cfff8d46f1a
SHA2569f441696939a441fc0b8d4fce899dce7f104854cc735169d94a5194791c9cbdf
SHA5124c8c1a64970131b0a80e6988deeccaa3270ee34d0c2acb65578f755e4a179b3e84aa1cc975b205e9f20f52c12009f0479363c5c42c2a31ab5fd2eded54301cca
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55ee5cbe88a1710fbb92f0452d4c3f749
SHA1f69365e25055ccaee223b7725b292a031e2a627c
SHA256bdc74568e9dc88e5618dee98d2fcb874fb3d93c3e86933d203262340df5e48f4
SHA512076ab22b0bc45aab6eb0fd60045a0b3b0e8461c88fcec888452a7d39f895d02eba1a9f7cef65ffcf861dcd4d515e6335a7c90c1f680e6ca2539f82b75fa36f9e
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Filesize
4.1MB
MD5cb81b0e64247f910f88468427269ccf7
SHA12c8089314f5f28438586ba5bb29aaa28eb891192
SHA256d7a332b941b584760969d2fe3c758cfa3f73ee8d7dbe83c81bad49c29f746d7e
SHA512760da83de80037dc4e3dfc0c180aa985cbd90030a1400e90199de9afd2a00de09f76f1bd116f0c40dbf78a1b4e98e26600f8a649c1a69a5168b5a38b1b7bd0c2
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec