Analysis
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max time kernel
150s -
max time network
150s -
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, 16:50
Static task
static1
Behavioral task
behavioral1
Sample
ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe
Resource
win10v2004-20240426-en
General
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Target
ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe
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Size
4.1MB
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MD5
71a7eb12dad2372dc64f6549ef333883
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SHA1
7fb77158b157866598a0b7d42d9a161f0dcb55a8
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SHA256
ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003
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SHA512
a903a469f4d3d3e4997a13b9ad5484978b3e91b5dce057a0115df6bafc5d33c7caf0ef77d192c09748440ccaf5f2d9e2528d7858662533b1ecd03b8eea1ea7b0
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SSDEEP
98304:blDK2ogLLeo95J5ZPcfTDKdk17ZCPQ0/B9CeuvJXiZ9xD4RskEV31KmzW:h7B3j0rWdEQQ059Cfd4xbkE91KmS
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral1/memory/3528-2-0x0000000004F20000-0x000000000580B000-memory.dmp family_glupteba behavioral1/memory/3528-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3528-55-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/3528-57-0x0000000004F20000-0x000000000580B000-memory.dmp family_glupteba behavioral1/memory/3528-98-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1656-97-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/1656-139-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/5092-214-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/5092-231-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/5092-234-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/5092-238-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/5092-242-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/5092-246-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/5092-250-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/5092-254-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/5092-258-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/5092-262-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/5092-267-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4224 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 5092 csrss.exe 1428 injector.exe 4656 windefender.exe 3596 windefender.exe -
resource yara_rule behavioral1/files/0x000800000002344f-224.dat upx behavioral1/memory/4656-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4656-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3596-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3596-235-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3596-243-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe Set value (str) \REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\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 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 -
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 ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe File created C:\Windows\rss\csrss.exe ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 3340 sc.exe -
pid Process 2420 powershell.exe 4204 powershell.exe 2128 powershell.exe 716 powershell.exe 4016 powershell.exe 4788 powershell.exe 2108 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 3820 schtasks.exe 4452 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,-2451 = "Saint Pierre Daylight Time" ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1801 = "Line Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-541 = "Myanmar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2791 = "Novosibirsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-121 = "SA Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time" ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.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\@tzres.dll,-2371 = "Easter Island Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2142 = "Transbaikal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time" ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\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\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time" ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time" ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time" ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time" ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time" ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed 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,-621 = "Korea 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\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time" ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time" ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time" ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time" ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time" ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time" ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-141 = "Canada Central 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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1412 = "Syria Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)" ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time" ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)" ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-291 = "Central European Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2842 = "Saratov Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-81 = "Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-411 = "E. Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-342 = "Egypt Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2452 = "Saint Pierre Standard Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.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\@tzres.dll,-732 = "Fiji Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time" ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.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" ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2128 powershell.exe 2128 powershell.exe 3528 ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe 3528 ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe 716 powershell.exe 716 powershell.exe 1656 ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe 1656 ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe 1656 ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe 1656 ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe 1656 ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe 1656 ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe 1656 ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe 1656 ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe 1656 ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe 1656 ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe 4016 powershell.exe 4016 powershell.exe 4788 powershell.exe 4788 powershell.exe 2108 powershell.exe 2108 powershell.exe 2420 powershell.exe 2420 powershell.exe 4204 powershell.exe 4204 powershell.exe 1428 injector.exe 1428 injector.exe 1428 injector.exe 1428 injector.exe 1428 injector.exe 1428 injector.exe 1428 injector.exe 1428 injector.exe 5092 csrss.exe 5092 csrss.exe 1428 injector.exe 1428 injector.exe 1428 injector.exe 1428 injector.exe 1428 injector.exe 1428 injector.exe 5092 csrss.exe 5092 csrss.exe 1428 injector.exe 1428 injector.exe 5092 csrss.exe 5092 csrss.exe 1428 injector.exe 1428 injector.exe 1428 injector.exe 1428 injector.exe 1428 injector.exe 1428 injector.exe 1428 injector.exe 1428 injector.exe 1428 injector.exe 1428 injector.exe 1428 injector.exe 1428 injector.exe 1428 injector.exe 1428 injector.exe 1428 injector.exe 1428 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2128 powershell.exe Token: SeDebugPrivilege 3528 ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe Token: SeImpersonatePrivilege 3528 ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe Token: SeDebugPrivilege 716 powershell.exe Token: SeDebugPrivilege 4016 powershell.exe Token: SeDebugPrivilege 4788 powershell.exe Token: SeDebugPrivilege 2108 powershell.exe Token: SeDebugPrivilege 2420 powershell.exe Token: SeDebugPrivilege 4204 powershell.exe Token: SeSystemEnvironmentPrivilege 5092 csrss.exe Token: SeSecurityPrivilege 3340 sc.exe Token: SeSecurityPrivilege 3340 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3528 wrote to memory of 2128 3528 ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe 94 PID 3528 wrote to memory of 2128 3528 ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe 94 PID 3528 wrote to memory of 2128 3528 ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe 94 PID 1656 wrote to memory of 716 1656 ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe 100 PID 1656 wrote to memory of 716 1656 ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe 100 PID 1656 wrote to memory of 716 1656 ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe 100 PID 1656 wrote to memory of 3632 1656 ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe 102 PID 1656 wrote to memory of 3632 1656 ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe 102 PID 3632 wrote to memory of 4224 3632 cmd.exe 104 PID 3632 wrote to memory of 4224 3632 cmd.exe 104 PID 1656 wrote to memory of 4016 1656 ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe 105 PID 1656 wrote to memory of 4016 1656 ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe 105 PID 1656 wrote to memory of 4016 1656 ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe 105 PID 1656 wrote to memory of 4788 1656 ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe 107 PID 1656 wrote to memory of 4788 1656 ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe 107 PID 1656 wrote to memory of 4788 1656 ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe 107 PID 1656 wrote to memory of 5092 1656 ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe 109 PID 1656 wrote to memory of 5092 1656 ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe 109 PID 1656 wrote to memory of 5092 1656 ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe 109 PID 5092 wrote to memory of 2108 5092 csrss.exe 112 PID 5092 wrote to memory of 2108 5092 csrss.exe 112 PID 5092 wrote to memory of 2108 5092 csrss.exe 112 PID 5092 wrote to memory of 2420 5092 csrss.exe 118 PID 5092 wrote to memory of 2420 5092 csrss.exe 118 PID 5092 wrote to memory of 2420 5092 csrss.exe 118 PID 5092 wrote to memory of 4204 5092 csrss.exe 120 PID 5092 wrote to memory of 4204 5092 csrss.exe 120 PID 5092 wrote to memory of 4204 5092 csrss.exe 120 PID 5092 wrote to memory of 1428 5092 csrss.exe 122 PID 5092 wrote to memory of 1428 5092 csrss.exe 122 PID 4656 wrote to memory of 4784 4656 windefender.exe 128 PID 4656 wrote to memory of 4784 4656 windefender.exe 128 PID 4656 wrote to memory of 4784 4656 windefender.exe 128 PID 4784 wrote to memory of 3340 4784 cmd.exe 129 PID 4784 wrote to memory of 3340 4784 cmd.exe 129 PID 4784 wrote to memory of 3340 4784 cmd.exe 129 -
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\ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe"C:\Users\Admin\AppData\Local\Temp\ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3528 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2128
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C:\Users\Admin\AppData\Local\Temp\ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.exe"C:\Users\Admin\AppData\Local\Temp\ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003.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:1656 -
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:716
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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:3632 -
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:4224
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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:4016
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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:4788
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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:5092 -
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:2108
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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:3820
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4824
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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:2420
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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:4204
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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:1428
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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:4452
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4656 -
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:4784 -
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:3340
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3596
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
MD5f440cc8d381ea7a56925d3f1399c2869
SHA1ae4ad9555ef3dbb912b7fae94d626747a225856a
SHA25668a3b3326f6e9ea697f9cb421db955e3c0248efe1c915ab7671dff2dc3916534
SHA5126c2b04f8713f02097d5d163e9bfc6dd17640aaa86e96a0d221d53d914192c3709d7227ae0f298eb85a51101a7fe31cd33b450b642b76398676869ccfe2d2ced3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD553a875ccde8c4415a7244bb8c73c3001
SHA10eceb8b3864f89f91d8df27b8ab9ed4bc00072a5
SHA256bb1c59eda6b51720d4135cf2dba6008ebc21e4d2a7cd0b4968beefa840c3fd92
SHA512d9af3586ffb6e6733dc3f492952e3fae291c6cf6b2a87c5b2386ba23e1b100d459593aae65996055fe405f6ef3be8b2089e56a5fbaa236987148e9f70dd56df5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b67de4094a52f7dab5f774663d2bb2e5
SHA18f8dc8a5c9493580c5b7190167165a1752e4df5c
SHA256c70a1cf0f2825ee354b4c00afe949666809059968098ee0c65c26b36b1025958
SHA512857050627b2e3f26c720564a12e360a03b9bdfe39541aa36c3bd7847269b301f62f15ed17151f1cc1d478eff5b2416e56d8e3b3d653dde153bba854ac4025b81
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD590f49ae2db295977eb29880b083f8cf8
SHA1b2132059d6c8ef4defc01544fa622e38a184acd8
SHA256b2ef9434ae213365807f00522c260673c1c5187b35e50321f25caaf9558ca121
SHA51249a61f5bca776fa01f4908c7595d0d52ff4b5e869748955bdbf0bcb23a53aba602c0c7652d05a130d951274ec2deee870dcc10deeef22e9ea66bb13811e3b6cf
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a1daf7b7d1cb183a5c6d7b0bd41b1267
SHA1fd9b27ecd975e1705f174b663fc8d674ce9ae10d
SHA256ed0d94e6431783ef5c7ea9f98197368fdf618aef3c0d76adbd31a95dfb7e25e7
SHA51246685ef6dc95b26fc2c73870057fa14be3f746f32ace005c73f59c81a83620db5d61f540fffbf11e192a76fe21e8bfa032aa19e67e25aa5388f91d74e2ebf59d
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Filesize
4.1MB
MD571a7eb12dad2372dc64f6549ef333883
SHA17fb77158b157866598a0b7d42d9a161f0dcb55a8
SHA256ab7dd508e16a2a78100f71ba00c1942f84481997bf21f4988866b1596cb37003
SHA512a903a469f4d3d3e4997a13b9ad5484978b3e91b5dce057a0115df6bafc5d33c7caf0ef77d192c09748440ccaf5f2d9e2528d7858662533b1ecd03b8eea1ea7b0
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec