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Analysis
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max time kernel
150s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-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 behavioral1/memory/1624-2-0x0000000004F90000-0x000000000587B000-memory.dmp family_glupteba behavioral1/memory/1624-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1624-55-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/1624-95-0x0000000004F90000-0x000000000587B000-memory.dmp family_glupteba behavioral1/memory/5108-134-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/1624-138-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4940-213-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/4940-228-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/4940-230-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/4940-233-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/4940-236-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/4940-239-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/4940-242-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/4940-245-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/4940-248-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/4940-251-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/4940-255-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/4940-257-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1252 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4940 csrss.exe 436 injector.exe 4376 windefender.exe 1352 windefender.exe -
resource yara_rule behavioral1/files/0x000900000002341a-221.dat upx behavioral1/memory/4376-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1352-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4376-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1352-231-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1352-237-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" d7a332b941b584760969d2fe3c758cfa3f73ee8d7dbe83c81bad49c29f746d7e.exe Set value (str) \REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\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 created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe 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 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 2764 sc.exe -
pid Process 924 powershell.exe 3336 powershell.exe 4028 powershell.exe 3068 powershell.exe 4300 powershell.exe 4368 powershell.exe 3448 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 2952 schtasks.exe 3908 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-671 = "AUS Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-502 = "Nepal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-202 = "US Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time" d7a332b941b584760969d2fe3c758cfa3f73ee8d7dbe83c81bad49c29f746d7e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time" d7a332b941b584760969d2fe3c758cfa3f73ee8d7dbe83c81bad49c29f746d7e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-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,-571 = "China Daylight Time" d7a332b941b584760969d2fe3c758cfa3f73ee8d7dbe83c81bad49c29f746d7e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time" d7a332b941b584760969d2fe3c758cfa3f73ee8d7dbe83c81bad49c29f746d7e.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,-2411 = "Marquesas Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2592 = "Tocantins Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" d7a332b941b584760969d2fe3c758cfa3f73ee8d7dbe83c81bad49c29f746d7e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time" d7a332b941b584760969d2fe3c758cfa3f73ee8d7dbe83c81bad49c29f746d7e.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,-152 = "Central America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-105 = "Central Brazilian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time" d7a332b941b584760969d2fe3c758cfa3f73ee8d7dbe83c81bad49c29f746d7e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" d7a332b941b584760969d2fe3c758cfa3f73ee8d7dbe83c81bad49c29f746d7e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-448 = "Azerbaijan Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs 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,-661 = "Cen. Australia Daylight Time" d7a332b941b584760969d2fe3c758cfa3f73ee8d7dbe83c81bad49c29f746d7e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-981 = "Kamchatka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-431 = "Iran Daylight Time" 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,-2891 = "Sudan Daylight Time" d7a332b941b584760969d2fe3c758cfa3f73ee8d7dbe83c81bad49c29f746d7e.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,-332 = "E. Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-112 = "Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-365 = "Middle East Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-431 = "Iran Daylight Time" d7a332b941b584760969d2fe3c758cfa3f73ee8d7dbe83c81bad49c29f746d7e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-12 = "Azores Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed 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,-2871 = "Magallanes Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-562 = "SE Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time" d7a332b941b584760969d2fe3c758cfa3f73ee8d7dbe83c81bad49c29f746d7e.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\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-392 = "Arab Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2432 = "Cuba 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,-501 = "Nepal Daylight Time" d7a332b941b584760969d2fe3c758cfa3f73ee8d7dbe83c81bad49c29f746d7e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time" d7a332b941b584760969d2fe3c758cfa3f73ee8d7dbe83c81bad49c29f746d7e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1932 = "Russia TZ 11 Standard Time" d7a332b941b584760969d2fe3c758cfa3f73ee8d7dbe83c81bad49c29f746d7e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2371 = "Easter Island Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1722 = "Libya Standard 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,-462 = "Afghanistan Standard Time" d7a332b941b584760969d2fe3c758cfa3f73ee8d7dbe83c81bad49c29f746d7e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight 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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" d7a332b941b584760969d2fe3c758cfa3f73ee8d7dbe83c81bad49c29f746d7e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs 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,-2161 = "Altai Daylight Time" d7a332b941b584760969d2fe3c758cfa3f73ee8d7dbe83c81bad49c29f746d7e.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 924 powershell.exe 924 powershell.exe 1624 d7a332b941b584760969d2fe3c758cfa3f73ee8d7dbe83c81bad49c29f746d7e.exe 1624 d7a332b941b584760969d2fe3c758cfa3f73ee8d7dbe83c81bad49c29f746d7e.exe 3336 powershell.exe 3336 powershell.exe 5108 d7a332b941b584760969d2fe3c758cfa3f73ee8d7dbe83c81bad49c29f746d7e.exe 5108 d7a332b941b584760969d2fe3c758cfa3f73ee8d7dbe83c81bad49c29f746d7e.exe 5108 d7a332b941b584760969d2fe3c758cfa3f73ee8d7dbe83c81bad49c29f746d7e.exe 5108 d7a332b941b584760969d2fe3c758cfa3f73ee8d7dbe83c81bad49c29f746d7e.exe 5108 d7a332b941b584760969d2fe3c758cfa3f73ee8d7dbe83c81bad49c29f746d7e.exe 5108 d7a332b941b584760969d2fe3c758cfa3f73ee8d7dbe83c81bad49c29f746d7e.exe 5108 d7a332b941b584760969d2fe3c758cfa3f73ee8d7dbe83c81bad49c29f746d7e.exe 5108 d7a332b941b584760969d2fe3c758cfa3f73ee8d7dbe83c81bad49c29f746d7e.exe 5108 d7a332b941b584760969d2fe3c758cfa3f73ee8d7dbe83c81bad49c29f746d7e.exe 5108 d7a332b941b584760969d2fe3c758cfa3f73ee8d7dbe83c81bad49c29f746d7e.exe 4028 powershell.exe 4028 powershell.exe 3068 powershell.exe 3068 powershell.exe 4300 powershell.exe 4300 powershell.exe 4368 powershell.exe 4368 powershell.exe 3448 powershell.exe 3448 powershell.exe 436 injector.exe 436 injector.exe 436 injector.exe 436 injector.exe 436 injector.exe 436 injector.exe 4940 csrss.exe 4940 csrss.exe 436 injector.exe 436 injector.exe 436 injector.exe 436 injector.exe 436 injector.exe 436 injector.exe 4940 csrss.exe 4940 csrss.exe 436 injector.exe 436 injector.exe 436 injector.exe 436 injector.exe 4940 csrss.exe 4940 csrss.exe 436 injector.exe 436 injector.exe 436 injector.exe 436 injector.exe 436 injector.exe 436 injector.exe 436 injector.exe 436 injector.exe 436 injector.exe 436 injector.exe 436 injector.exe 436 injector.exe 436 injector.exe 436 injector.exe 436 injector.exe 436 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 924 powershell.exe Token: SeDebugPrivilege 1624 d7a332b941b584760969d2fe3c758cfa3f73ee8d7dbe83c81bad49c29f746d7e.exe Token: SeImpersonatePrivilege 1624 d7a332b941b584760969d2fe3c758cfa3f73ee8d7dbe83c81bad49c29f746d7e.exe Token: SeDebugPrivilege 3336 powershell.exe Token: SeDebugPrivilege 4028 powershell.exe Token: SeDebugPrivilege 3068 powershell.exe Token: SeDebugPrivilege 4300 powershell.exe Token: SeDebugPrivilege 4368 powershell.exe Token: SeDebugPrivilege 3448 powershell.exe Token: SeSystemEnvironmentPrivilege 4940 csrss.exe Token: SeSecurityPrivilege 2764 sc.exe Token: SeSecurityPrivilege 2764 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1624 wrote to memory of 924 1624 d7a332b941b584760969d2fe3c758cfa3f73ee8d7dbe83c81bad49c29f746d7e.exe 89 PID 1624 wrote to memory of 924 1624 d7a332b941b584760969d2fe3c758cfa3f73ee8d7dbe83c81bad49c29f746d7e.exe 89 PID 1624 wrote to memory of 924 1624 d7a332b941b584760969d2fe3c758cfa3f73ee8d7dbe83c81bad49c29f746d7e.exe 89 PID 5108 wrote to memory of 3336 5108 d7a332b941b584760969d2fe3c758cfa3f73ee8d7dbe83c81bad49c29f746d7e.exe 96 PID 5108 wrote to memory of 3336 5108 d7a332b941b584760969d2fe3c758cfa3f73ee8d7dbe83c81bad49c29f746d7e.exe 96 PID 5108 wrote to memory of 3336 5108 d7a332b941b584760969d2fe3c758cfa3f73ee8d7dbe83c81bad49c29f746d7e.exe 96 PID 5108 wrote to memory of 2328 5108 d7a332b941b584760969d2fe3c758cfa3f73ee8d7dbe83c81bad49c29f746d7e.exe 98 PID 5108 wrote to memory of 2328 5108 d7a332b941b584760969d2fe3c758cfa3f73ee8d7dbe83c81bad49c29f746d7e.exe 98 PID 2328 wrote to memory of 1252 2328 cmd.exe 100 PID 2328 wrote to memory of 1252 2328 cmd.exe 100 PID 5108 wrote to memory of 4028 5108 d7a332b941b584760969d2fe3c758cfa3f73ee8d7dbe83c81bad49c29f746d7e.exe 101 PID 5108 wrote to memory of 4028 5108 d7a332b941b584760969d2fe3c758cfa3f73ee8d7dbe83c81bad49c29f746d7e.exe 101 PID 5108 wrote to memory of 4028 5108 d7a332b941b584760969d2fe3c758cfa3f73ee8d7dbe83c81bad49c29f746d7e.exe 101 PID 5108 wrote to memory of 3068 5108 d7a332b941b584760969d2fe3c758cfa3f73ee8d7dbe83c81bad49c29f746d7e.exe 103 PID 5108 wrote to memory of 3068 5108 d7a332b941b584760969d2fe3c758cfa3f73ee8d7dbe83c81bad49c29f746d7e.exe 103 PID 5108 wrote to memory of 3068 5108 d7a332b941b584760969d2fe3c758cfa3f73ee8d7dbe83c81bad49c29f746d7e.exe 103 PID 5108 wrote to memory of 4940 5108 d7a332b941b584760969d2fe3c758cfa3f73ee8d7dbe83c81bad49c29f746d7e.exe 105 PID 5108 wrote to memory of 4940 5108 d7a332b941b584760969d2fe3c758cfa3f73ee8d7dbe83c81bad49c29f746d7e.exe 105 PID 5108 wrote to memory of 4940 5108 d7a332b941b584760969d2fe3c758cfa3f73ee8d7dbe83c81bad49c29f746d7e.exe 105 PID 4940 wrote to memory of 4300 4940 csrss.exe 106 PID 4940 wrote to memory of 4300 4940 csrss.exe 106 PID 4940 wrote to memory of 4300 4940 csrss.exe 106 PID 4940 wrote to memory of 4368 4940 csrss.exe 112 PID 4940 wrote to memory of 4368 4940 csrss.exe 112 PID 4940 wrote to memory of 4368 4940 csrss.exe 112 PID 4940 wrote to memory of 3448 4940 csrss.exe 115 PID 4940 wrote to memory of 3448 4940 csrss.exe 115 PID 4940 wrote to memory of 3448 4940 csrss.exe 115 PID 4940 wrote to memory of 436 4940 csrss.exe 117 PID 4940 wrote to memory of 436 4940 csrss.exe 117 PID 4376 wrote to memory of 2556 4376 windefender.exe 124 PID 4376 wrote to memory of 2556 4376 windefender.exe 124 PID 4376 wrote to memory of 2556 4376 windefender.exe 124 PID 2556 wrote to memory of 2764 2556 cmd.exe 125 PID 2556 wrote to memory of 2764 2556 cmd.exe 125 PID 2556 wrote to memory of 2764 2556 cmd.exe 125 -
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:1624 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:924
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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:5108 -
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:3336
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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:2328 -
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:1252
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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:4028
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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:3068
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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:4940 -
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:4300
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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:2952
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1480
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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:4368
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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:3448
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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:436
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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:3908
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4376 -
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:2556 -
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:2764
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1352
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52cf70261282cb659de99e8a23b9943ea
SHA1364a4cd7583384120c587ce6e8dbb7eaeb89c427
SHA256f8ea402618f481d596a872b7c925d77fc0a20ce8c747d7d018e7dbbfb8ff6e5a
SHA512e95ba71f33e1e3b81a2ab89c1394420fa83166a6a0076ceecaec4d2c68d02dd0c866561813083dd304d41b1abbf312d83dd9f28a66750e5063a37af504ac10d9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b6d621f1490edd6a299d619fc8a7d6c2
SHA110a33e42476e230a56e891042bce2706a39a1235
SHA256b63edaf7bb53977c1ecff1157d8339474e908ad94ca1cd2ea59c572e5f662a07
SHA512741ba76c6796363c9c57c5c9e6449f6ead7a8cd2a615531906dd72395ecf48056defd3381109dfeadc422a28a0e96c051c7dfa572da7610856d58bfbf06482fc
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f679e724ac54bc80217bcbe3a1fb69f5
SHA127ef8154c6185d93e0c70c8d34a89302644fff1b
SHA2563407d082cb772ede2c3eb0ddddb1554384acc0d73555280611ad966de156c920
SHA512b8a9066204a3e5b967497e24ec11c6295867e5e2e430672b515d9d6cea2aab9e7eec53f79e8685c4a74795752c0998e69000c9b457344beae1ac85779f282df6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f358f2891b09c079af0d4be6b8cd4006
SHA1cbf365b3ed85a1552653d1eed084347bbfed5b0e
SHA2564a895b612fd2a54bd37cf097dbf60c3124c0f2c35eb18ece8e1391cd2df7e7a4
SHA512b8aff385397672e077bb35c807c8974fb62aee0164ce263a79c57be4d7f867b3ec9ecce497e693efac0d9870b0c3d885890e2c983c6c839edf98b609aee5d42b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c7f5332b19886891a4efdf9ee938b816
SHA1588b11a1e05d30751a45ee994ba5120b3b49685e
SHA256aed4594aa3126db093292e174375febc87db3fec8f50bd3545d2cc3a8942a608
SHA512b8483c16459962c2168354e8d9a649d3d10533cccff3fadfdfd080245f17304f8e2eef26eec3d98bd8e9b8cbee89790a2e75c0f2f75c26c094ad033f4090c455
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Filesize
4.1MB
MD5cb81b0e64247f910f88468427269ccf7
SHA12c8089314f5f28438586ba5bb29aaa28eb891192
SHA256d7a332b941b584760969d2fe3c758cfa3f73ee8d7dbe83c81bad49c29f746d7e
SHA512760da83de80037dc4e3dfc0c180aa985cbd90030a1400e90199de9afd2a00de09f76f1bd116f0c40dbf78a1b4e98e26600f8a649c1a69a5168b5a38b1b7bd0c2
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec