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Analysis
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max time kernel
149s -
max time network
142s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
12/05/2024, 06:59
Static task
static1
Behavioral task
behavioral1
Sample
6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.exe
Resource
win10v2004-20240508-en
General
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Target
6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.exe
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Size
4.1MB
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MD5
e6e1f03cdd49b6234cc01cf624afc230
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SHA1
aa05c9573fd6f8a8c212d85e26f80133dc6996da
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SHA256
6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5
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SHA512
37ebf4d6ffc81876f96034b5154097fda3f4cb5a02b1678c9ee1102f8a6d08a668d441afc6eb67b626444a1be12fb3a1910859220c7b2f2bb87d5dcf657fe97e
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SSDEEP
98304:MTqhS9Lnz8MmSV7jAB6wVffYAFzc/C0Dla1eCdEfwq9hv7fsfHoqc5/0ndW:jS9LzA0QB3VffYAWClIC+YKgH5cgg
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral2/memory/3408-2-0x0000000002E70000-0x000000000375B000-memory.dmp family_glupteba behavioral2/memory/3408-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3408-52-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3408-53-0x0000000002E70000-0x000000000375B000-memory.dmp family_glupteba behavioral2/memory/2016-112-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2016-195-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4544-196-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4544-209-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4544-218-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4544-222-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4544-226-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4544-230-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4544-234-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4544-238-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4544-242-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4544-246-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4544-250-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4544-254-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 420 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4544 csrss.exe 2084 injector.exe 4700 windefender.exe 3228 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a9eb-208.dat upx behavioral2/memory/4700-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4700-215-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3228-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3228-219-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3228-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1230210488-3096403634-4129516247-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.exe Set value (str) \REGISTRY\USER\S-1-5-21-1230210488-3096403634-4129516247-1000\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 6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.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 6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.exe File created C:\Windows\rss\csrss.exe 6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.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 1936 sc.exe -
pid Process 3120 powershell.exe 4652 powershell.exe 2296 powershell.exe 1900 powershell.exe 2072 powershell.exe 3100 powershell.exe 2140 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 2228 schtasks.exe 3680 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2771 = "Omsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1912 = "Russia TZ 10 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2842 = "Saratov Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time" 6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" 6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-451 = "Caucasus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-341 = "Egypt Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2531 = "Chatham Islands Daylight Time" 6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" 6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time" 6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.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,-2042 = "Eastern Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" 6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time" 6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.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,-351 = "FLE Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time" 6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-72 = "Newfoundland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1021 = "Bangladesh Daylight Time" 6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time" 6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" 6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1842 = "Russia TZ 4 Standard Time" 6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time" 6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.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,-82 = "Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time" 6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time" 6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" 6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-372 = "Jerusalem Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-561 = "SE Asia Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" 6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time" 6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time" 6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-791 = "SA Western Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time" 6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.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,-511 = "Central Asia Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates 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,-832 = "SA Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time" 6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-842 = "Argentina Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3052 = "Qyzylorda Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time" 6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time" 6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time" 6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1900 powershell.exe 1900 powershell.exe 3408 6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.exe 3408 6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.exe 2072 powershell.exe 2072 powershell.exe 2016 6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.exe 2016 6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.exe 2016 6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.exe 2016 6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.exe 2016 6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.exe 2016 6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.exe 2016 6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.exe 2016 6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.exe 2016 6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.exe 2016 6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.exe 3100 powershell.exe 3100 powershell.exe 2140 powershell.exe 2140 powershell.exe 3120 powershell.exe 3120 powershell.exe 4652 powershell.exe 4652 powershell.exe 2296 powershell.exe 2296 powershell.exe 2084 injector.exe 2084 injector.exe 2084 injector.exe 2084 injector.exe 2084 injector.exe 2084 injector.exe 4544 csrss.exe 4544 csrss.exe 2084 injector.exe 2084 injector.exe 2084 injector.exe 2084 injector.exe 2084 injector.exe 2084 injector.exe 4544 csrss.exe 4544 csrss.exe 2084 injector.exe 2084 injector.exe 2084 injector.exe 2084 injector.exe 4544 csrss.exe 4544 csrss.exe 2084 injector.exe 2084 injector.exe 2084 injector.exe 2084 injector.exe 2084 injector.exe 2084 injector.exe 2084 injector.exe 2084 injector.exe 2084 injector.exe 2084 injector.exe 2084 injector.exe 2084 injector.exe 2084 injector.exe 2084 injector.exe 2084 injector.exe 2084 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1900 powershell.exe Token: SeDebugPrivilege 3408 6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.exe Token: SeImpersonatePrivilege 3408 6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.exe Token: SeDebugPrivilege 2072 powershell.exe Token: SeDebugPrivilege 3100 powershell.exe Token: SeDebugPrivilege 2140 powershell.exe Token: SeDebugPrivilege 3120 powershell.exe Token: SeDebugPrivilege 4652 powershell.exe Token: SeDebugPrivilege 2296 powershell.exe Token: SeSystemEnvironmentPrivilege 4544 csrss.exe Token: SeSecurityPrivilege 1936 sc.exe Token: SeSecurityPrivilege 1936 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3408 wrote to memory of 1900 3408 6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.exe 79 PID 3408 wrote to memory of 1900 3408 6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.exe 79 PID 3408 wrote to memory of 1900 3408 6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.exe 79 PID 2016 wrote to memory of 2072 2016 6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.exe 84 PID 2016 wrote to memory of 2072 2016 6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.exe 84 PID 2016 wrote to memory of 2072 2016 6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.exe 84 PID 2016 wrote to memory of 1244 2016 6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.exe 86 PID 2016 wrote to memory of 1244 2016 6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.exe 86 PID 1244 wrote to memory of 420 1244 cmd.exe 88 PID 1244 wrote to memory of 420 1244 cmd.exe 88 PID 2016 wrote to memory of 3100 2016 6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.exe 89 PID 2016 wrote to memory of 3100 2016 6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.exe 89 PID 2016 wrote to memory of 3100 2016 6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.exe 89 PID 2016 wrote to memory of 2140 2016 6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.exe 91 PID 2016 wrote to memory of 2140 2016 6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.exe 91 PID 2016 wrote to memory of 2140 2016 6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.exe 91 PID 2016 wrote to memory of 4544 2016 6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.exe 93 PID 2016 wrote to memory of 4544 2016 6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.exe 93 PID 2016 wrote to memory of 4544 2016 6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.exe 93 PID 4544 wrote to memory of 3120 4544 csrss.exe 94 PID 4544 wrote to memory of 3120 4544 csrss.exe 94 PID 4544 wrote to memory of 3120 4544 csrss.exe 94 PID 4544 wrote to memory of 4652 4544 csrss.exe 100 PID 4544 wrote to memory of 4652 4544 csrss.exe 100 PID 4544 wrote to memory of 4652 4544 csrss.exe 100 PID 4544 wrote to memory of 2296 4544 csrss.exe 102 PID 4544 wrote to memory of 2296 4544 csrss.exe 102 PID 4544 wrote to memory of 2296 4544 csrss.exe 102 PID 4544 wrote to memory of 2084 4544 csrss.exe 104 PID 4544 wrote to memory of 2084 4544 csrss.exe 104 PID 4700 wrote to memory of 240 4700 windefender.exe 110 PID 4700 wrote to memory of 240 4700 windefender.exe 110 PID 4700 wrote to memory of 240 4700 windefender.exe 110 PID 240 wrote to memory of 1936 240 cmd.exe 111 PID 240 wrote to memory of 1936 240 cmd.exe 111 PID 240 wrote to memory of 1936 240 cmd.exe 111 -
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\6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.exe"C:\Users\Admin\AppData\Local\Temp\6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3408 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1900
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C:\Users\Admin\AppData\Local\Temp\6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.exe"C:\Users\Admin\AppData\Local\Temp\6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.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:2016 -
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:2072
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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:1244 -
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:420
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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:3100
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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:2140
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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:4544 -
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:3120
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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:2228
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4616
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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:4652
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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:2296
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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:2084
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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:3680
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4700 -
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:240 -
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:1936
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3228
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
MD59310cf36dcbb7eacc86a802b0e477072
SHA1aaebe0a6e431c64266dd41ee497b43f70df4d303
SHA2560ca10c4bd91abcdc5da28021e9e45125deb982696f53e5e7a3ce65fcd8b31994
SHA512d978c826b5608e63e0bdce110162e3c47be5a48467d1ec59c6176eec60f21bc75e87a5f53024066adbab645b4b8af7bcd768354d45bccc5c95e473730d2cadea
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58b3e60dce9cc0797e80fbf64b3fab66c
SHA17cb004ecf16990871b806fc9a13783a2d02b8608
SHA256b9f17cbd8389d53f81c61e226fb1baff7c852a262d0c8befea5fc1d17551e9bd
SHA512045fc7bf94089ec19b7c89fd39bd6e4e3cd6e5fa6ad4b738363fb86338b31eb2050a24eab9fea0ef8f42d1c82923913926388bce0d8b211734cb0a0c8b8a2231
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d77b9c274a8fab78b5fc29cebf22b273
SHA190f67950c451598818afeb507ab365b03781c8c2
SHA25662b0a2b807723e802991f08f6bb590b499da3702da3175ec745cb34ef7f7253e
SHA51232e2a2a34bc5ad78cc68711df670314b6ad1ce438ae90083083e54fc34b966528d8e2ed985d3ff8c034918e24a933f5c9cf70314a557532d87b21416416965ed
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e1744de944d5318d168bdb57536ccf65
SHA193c619c9a61e95742bea2dc24f0e7c6f1aa570f3
SHA256ceb6ec62557d6d47b1a78242191679b83e56fc450734041f9f14fec6955a0cc7
SHA5127b68658db09e9193054ceadbb3f6ec529467d234d24cbff54a8362d3bfd3478d4c17dc80aa5062647f1581fd7af0d31af09fd05d51b59ac49864dfb02c535c5c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58ecd71f5f50ff3b618775b8a051487a4
SHA1776f2872fa23045e2f787e41212231bc17e3028d
SHA25674d0961fd8b79bbc207509e89efe5ce624a5205fc78fd145bd2a16331dd98c99
SHA5124945b16b7c875fde146b6971df24387f7a52327a2263366c79b278821df77018cbc6731f52b28f686bf3282c454b7a51350ded818e00c660919deecf039e0e66
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Filesize
4.1MB
MD5e6e1f03cdd49b6234cc01cf624afc230
SHA1aa05c9573fd6f8a8c212d85e26f80133dc6996da
SHA2566798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5
SHA51237ebf4d6ffc81876f96034b5154097fda3f4cb5a02b1678c9ee1102f8a6d08a668d441afc6eb67b626444a1be12fb3a1910859220c7b2f2bb87d5dcf657fe97e
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec