Analysis
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max time kernel
149s -
max time network
156s -
platform
windows11-21h2_x64 -
resource
win11-20240419-en -
resource tags
arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system -
submitted
17-05-2024 21:46
Static task
static1
Behavioral task
behavioral1
Sample
d41326156d9faa44bbbcf17771d81eaf65f1d1ca3e123585a01a5e23edcf7b75.exe
Resource
win10v2004-20240508-en
General
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Target
d41326156d9faa44bbbcf17771d81eaf65f1d1ca3e123585a01a5e23edcf7b75.exe
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Size
4.1MB
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MD5
0031761a4a8dc048a54681bc02378be8
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SHA1
5a80f3d0e82b2a4a7dbc88a98e8adf8f29f296d0
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SHA256
d41326156d9faa44bbbcf17771d81eaf65f1d1ca3e123585a01a5e23edcf7b75
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SHA512
ee2a034deb6dde697137332f3bca04fbe731aead5e454c31c5f0572f5135c4ad219d37611e9e5448b1d71efc21e877612b30c669194143091f156127953331f0
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SSDEEP
98304:N/1aS45wg9wCj95WS7Tld+z+RCAmv1nHALSI8:N/oSJg9H959pd0eCv1HALSX
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/3020-2-0x0000000004D50000-0x000000000563B000-memory.dmp family_glupteba behavioral2/memory/3020-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3020-72-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/3020-97-0x0000000004D50000-0x000000000563B000-memory.dmp family_glupteba behavioral2/memory/3952-123-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/3020-169-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/124-200-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/124-211-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/124-214-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/124-217-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/124-220-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/124-223-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/124-226-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/124-229-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/124-232-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/124-235-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/124-238-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/124-241-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/124-244-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1432 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 124 csrss.exe 2692 injector.exe 4872 windefender.exe 4836 windefender.exe -
resource yara_rule behavioral2/files/0x001a00000002ab5b-204.dat upx behavioral2/memory/4872-206-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4836-209-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4872-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4836-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4836-219-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4836-222-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" d41326156d9faa44bbbcf17771d81eaf65f1d1ca3e123585a01a5e23edcf7b75.exe Set value (str) \REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000\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\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 File created 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 d41326156d9faa44bbbcf17771d81eaf65f1d1ca3e123585a01a5e23edcf7b75.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss d41326156d9faa44bbbcf17771d81eaf65f1d1ca3e123585a01a5e23edcf7b75.exe File created C:\Windows\rss\csrss.exe d41326156d9faa44bbbcf17771d81eaf65f1d1ca3e123585a01a5e23edcf7b75.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 5016 sc.exe -
pid Process 2484 powershell.exe 4540 powershell.exe 3408 powershell.exe 3208 powershell.exe 3160 powershell.exe 4264 powershell.exe 2148 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 2364 schtasks.exe 4620 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,-214 = "Pacific Daylight Time (Mexico)" 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,-592 = "Malay Peninsula Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" d41326156d9faa44bbbcf17771d81eaf65f1d1ca3e123585a01a5e23edcf7b75.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time" d41326156d9faa44bbbcf17771d81eaf65f1d1ca3e123585a01a5e23edcf7b75.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" d41326156d9faa44bbbcf17771d81eaf65f1d1ca3e123585a01a5e23edcf7b75.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1022 = "Bangladesh Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-331 = "E. Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2372 = "Easter Island Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-982 = "Kamchatka Standard Time" windefender.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,-402 = "Arabic Standard Time" d41326156d9faa44bbbcf17771d81eaf65f1d1ca3e123585a01a5e23edcf7b75.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time" d41326156d9faa44bbbcf17771d81eaf65f1d1ca3e123585a01a5e23edcf7b75.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time" d41326156d9faa44bbbcf17771d81eaf65f1d1ca3e123585a01a5e23edcf7b75.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)" d41326156d9faa44bbbcf17771d81eaf65f1d1ca3e123585a01a5e23edcf7b75.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-251 = "Dateline Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" d41326156d9faa44bbbcf17771d81eaf65f1d1ca3e123585a01a5e23edcf7b75.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-351 = "FLE Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.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,-2392 = "Aleutian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" d41326156d9faa44bbbcf17771d81eaf65f1d1ca3e123585a01a5e23edcf7b75.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2001 = "Cabo Verde Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-742 = "New Zealand Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2141 = "Transbaikal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time" d41326156d9faa44bbbcf17771d81eaf65f1d1ca3e123585a01a5e23edcf7b75.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" d41326156d9faa44bbbcf17771d81eaf65f1d1ca3e123585a01a5e23edcf7b75.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-334 = "Jordan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time" d41326156d9faa44bbbcf17771d81eaf65f1d1ca3e123585a01a5e23edcf7b75.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\@tzres.dll,-671 = "AUS Eastern Daylight Time" windefender.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,-2572 = "Turks and Caicos Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time" d41326156d9faa44bbbcf17771d81eaf65f1d1ca3e123585a01a5e23edcf7b75.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time" d41326156d9faa44bbbcf17771d81eaf65f1d1ca3e123585a01a5e23edcf7b75.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time" d41326156d9faa44bbbcf17771d81eaf65f1d1ca3e123585a01a5e23edcf7b75.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time" d41326156d9faa44bbbcf17771d81eaf65f1d1ca3e123585a01a5e23edcf7b75.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" d41326156d9faa44bbbcf17771d81eaf65f1d1ca3e123585a01a5e23edcf7b75.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time" d41326156d9faa44bbbcf17771d81eaf65f1d1ca3e123585a01a5e23edcf7b75.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" d41326156d9faa44bbbcf17771d81eaf65f1d1ca3e123585a01a5e23edcf7b75.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\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\@tzres.dll,-2322 = "Sakhalin Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" d41326156d9faa44bbbcf17771d81eaf65f1d1ca3e123585a01a5e23edcf7b75.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" d41326156d9faa44bbbcf17771d81eaf65f1d1ca3e123585a01a5e23edcf7b75.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time" d41326156d9faa44bbbcf17771d81eaf65f1d1ca3e123585a01a5e23edcf7b75.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,-292 = "Central European Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time" d41326156d9faa44bbbcf17771d81eaf65f1d1ca3e123585a01a5e23edcf7b75.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-652 = "AUS Central Standard Time" d41326156d9faa44bbbcf17771d81eaf65f1d1ca3e123585a01a5e23edcf7b75.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time" d41326156d9faa44bbbcf17771d81eaf65f1d1ca3e123585a01a5e23edcf7b75.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time" d41326156d9faa44bbbcf17771d81eaf65f1d1ca3e123585a01a5e23edcf7b75.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time" d41326156d9faa44bbbcf17771d81eaf65f1d1ca3e123585a01a5e23edcf7b75.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3208 powershell.exe 3208 powershell.exe 3020 d41326156d9faa44bbbcf17771d81eaf65f1d1ca3e123585a01a5e23edcf7b75.exe 3020 d41326156d9faa44bbbcf17771d81eaf65f1d1ca3e123585a01a5e23edcf7b75.exe 3160 powershell.exe 3160 powershell.exe 3952 d41326156d9faa44bbbcf17771d81eaf65f1d1ca3e123585a01a5e23edcf7b75.exe 3952 d41326156d9faa44bbbcf17771d81eaf65f1d1ca3e123585a01a5e23edcf7b75.exe 3952 d41326156d9faa44bbbcf17771d81eaf65f1d1ca3e123585a01a5e23edcf7b75.exe 3952 d41326156d9faa44bbbcf17771d81eaf65f1d1ca3e123585a01a5e23edcf7b75.exe 3952 d41326156d9faa44bbbcf17771d81eaf65f1d1ca3e123585a01a5e23edcf7b75.exe 3952 d41326156d9faa44bbbcf17771d81eaf65f1d1ca3e123585a01a5e23edcf7b75.exe 3952 d41326156d9faa44bbbcf17771d81eaf65f1d1ca3e123585a01a5e23edcf7b75.exe 3952 d41326156d9faa44bbbcf17771d81eaf65f1d1ca3e123585a01a5e23edcf7b75.exe 3952 d41326156d9faa44bbbcf17771d81eaf65f1d1ca3e123585a01a5e23edcf7b75.exe 3952 d41326156d9faa44bbbcf17771d81eaf65f1d1ca3e123585a01a5e23edcf7b75.exe 4264 powershell.exe 4264 powershell.exe 2148 powershell.exe 2148 powershell.exe 2484 powershell.exe 2484 powershell.exe 4540 powershell.exe 4540 powershell.exe 3408 powershell.exe 3408 powershell.exe 2692 injector.exe 2692 injector.exe 2692 injector.exe 2692 injector.exe 2692 injector.exe 2692 injector.exe 2692 injector.exe 2692 injector.exe 124 csrss.exe 124 csrss.exe 2692 injector.exe 2692 injector.exe 2692 injector.exe 2692 injector.exe 124 csrss.exe 124 csrss.exe 2692 injector.exe 2692 injector.exe 124 csrss.exe 124 csrss.exe 2692 injector.exe 2692 injector.exe 2692 injector.exe 2692 injector.exe 2692 injector.exe 2692 injector.exe 2692 injector.exe 2692 injector.exe 2692 injector.exe 2692 injector.exe 2692 injector.exe 2692 injector.exe 2692 injector.exe 2692 injector.exe 2692 injector.exe 2692 injector.exe 2692 injector.exe 2692 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3208 powershell.exe Token: SeDebugPrivilege 3020 d41326156d9faa44bbbcf17771d81eaf65f1d1ca3e123585a01a5e23edcf7b75.exe Token: SeImpersonatePrivilege 3020 d41326156d9faa44bbbcf17771d81eaf65f1d1ca3e123585a01a5e23edcf7b75.exe Token: SeDebugPrivilege 3160 powershell.exe Token: SeDebugPrivilege 4264 powershell.exe Token: SeDebugPrivilege 2148 powershell.exe Token: SeDebugPrivilege 2484 powershell.exe Token: SeDebugPrivilege 4540 powershell.exe Token: SeDebugPrivilege 3408 powershell.exe Token: SeSystemEnvironmentPrivilege 124 csrss.exe Token: SeSecurityPrivilege 5016 sc.exe Token: SeSecurityPrivilege 5016 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3020 wrote to memory of 3208 3020 d41326156d9faa44bbbcf17771d81eaf65f1d1ca3e123585a01a5e23edcf7b75.exe 82 PID 3020 wrote to memory of 3208 3020 d41326156d9faa44bbbcf17771d81eaf65f1d1ca3e123585a01a5e23edcf7b75.exe 82 PID 3020 wrote to memory of 3208 3020 d41326156d9faa44bbbcf17771d81eaf65f1d1ca3e123585a01a5e23edcf7b75.exe 82 PID 3952 wrote to memory of 3160 3952 d41326156d9faa44bbbcf17771d81eaf65f1d1ca3e123585a01a5e23edcf7b75.exe 87 PID 3952 wrote to memory of 3160 3952 d41326156d9faa44bbbcf17771d81eaf65f1d1ca3e123585a01a5e23edcf7b75.exe 87 PID 3952 wrote to memory of 3160 3952 d41326156d9faa44bbbcf17771d81eaf65f1d1ca3e123585a01a5e23edcf7b75.exe 87 PID 3952 wrote to memory of 3256 3952 d41326156d9faa44bbbcf17771d81eaf65f1d1ca3e123585a01a5e23edcf7b75.exe 89 PID 3952 wrote to memory of 3256 3952 d41326156d9faa44bbbcf17771d81eaf65f1d1ca3e123585a01a5e23edcf7b75.exe 89 PID 3256 wrote to memory of 1432 3256 cmd.exe 91 PID 3256 wrote to memory of 1432 3256 cmd.exe 91 PID 3952 wrote to memory of 4264 3952 d41326156d9faa44bbbcf17771d81eaf65f1d1ca3e123585a01a5e23edcf7b75.exe 92 PID 3952 wrote to memory of 4264 3952 d41326156d9faa44bbbcf17771d81eaf65f1d1ca3e123585a01a5e23edcf7b75.exe 92 PID 3952 wrote to memory of 4264 3952 d41326156d9faa44bbbcf17771d81eaf65f1d1ca3e123585a01a5e23edcf7b75.exe 92 PID 3952 wrote to memory of 2148 3952 d41326156d9faa44bbbcf17771d81eaf65f1d1ca3e123585a01a5e23edcf7b75.exe 94 PID 3952 wrote to memory of 2148 3952 d41326156d9faa44bbbcf17771d81eaf65f1d1ca3e123585a01a5e23edcf7b75.exe 94 PID 3952 wrote to memory of 2148 3952 d41326156d9faa44bbbcf17771d81eaf65f1d1ca3e123585a01a5e23edcf7b75.exe 94 PID 3952 wrote to memory of 124 3952 d41326156d9faa44bbbcf17771d81eaf65f1d1ca3e123585a01a5e23edcf7b75.exe 96 PID 3952 wrote to memory of 124 3952 d41326156d9faa44bbbcf17771d81eaf65f1d1ca3e123585a01a5e23edcf7b75.exe 96 PID 3952 wrote to memory of 124 3952 d41326156d9faa44bbbcf17771d81eaf65f1d1ca3e123585a01a5e23edcf7b75.exe 96 PID 124 wrote to memory of 2484 124 csrss.exe 97 PID 124 wrote to memory of 2484 124 csrss.exe 97 PID 124 wrote to memory of 2484 124 csrss.exe 97 PID 124 wrote to memory of 4540 124 csrss.exe 103 PID 124 wrote to memory of 4540 124 csrss.exe 103 PID 124 wrote to memory of 4540 124 csrss.exe 103 PID 124 wrote to memory of 3408 124 csrss.exe 105 PID 124 wrote to memory of 3408 124 csrss.exe 105 PID 124 wrote to memory of 3408 124 csrss.exe 105 PID 124 wrote to memory of 2692 124 csrss.exe 107 PID 124 wrote to memory of 2692 124 csrss.exe 107 PID 4872 wrote to memory of 2348 4872 windefender.exe 113 PID 4872 wrote to memory of 2348 4872 windefender.exe 113 PID 4872 wrote to memory of 2348 4872 windefender.exe 113 PID 2348 wrote to memory of 5016 2348 cmd.exe 114 PID 2348 wrote to memory of 5016 2348 cmd.exe 114 PID 2348 wrote to memory of 5016 2348 cmd.exe 114 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\d41326156d9faa44bbbcf17771d81eaf65f1d1ca3e123585a01a5e23edcf7b75.exe"C:\Users\Admin\AppData\Local\Temp\d41326156d9faa44bbbcf17771d81eaf65f1d1ca3e123585a01a5e23edcf7b75.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3020 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3208
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C:\Users\Admin\AppData\Local\Temp\d41326156d9faa44bbbcf17771d81eaf65f1d1ca3e123585a01a5e23edcf7b75.exe"C:\Users\Admin\AppData\Local\Temp\d41326156d9faa44bbbcf17771d81eaf65f1d1ca3e123585a01a5e23edcf7b75.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:3952 -
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:3160
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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:3256 -
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:1432
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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:4264
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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:2148
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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:124 -
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:2484
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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:4620
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4888
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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:4540
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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:3408
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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:2692
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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:2364
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4872 -
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:2348 -
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:5016
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4836
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
MD5d3dfb0487c30395314d57ce91d3b9d8a
SHA1c14b8ce2fbdf52e2e20281c6d39eed7ec6f5a88f
SHA25602bd1ab051e005138f9b18ee5ef755f7c388908abe2fec9954099ba84d81955e
SHA51258cf87501646ddc54904bb288f01de68b5a741682f3c773b14c8d84853e0b18c756a6b77e704e5279ec8ccc8b8cf8256d3d99c195db9b34157aadd7e1d62a031
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD569e5819a7fa142b1426604645b3ebc14
SHA1697c4d5dab0c1c78786a55c7edefe95055e824f6
SHA2560b9da3010ce46464f9d35858d4ccf3141540c0810de3f9ed135e2d3d14c32568
SHA51259c62412004201f25f3e44dd497675363dab40e73e6a15b90f3771136f554feab24802bba4b9acd6fe206862a0f6aa557579e97d13e9e5c2aea1275b55689f31
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD563b4ac5a054aac2667806645b07ff663
SHA13f83a1339617429026d04dd2f7211886cd72fe2a
SHA2566925bdfbac6e1f896420d11b63c8c87eeb305597e00a94fd799cb7b06499b574
SHA512d568b67305ce0dd0d78f08382800306224e0afdc0d9bb324ace9f82ab61cc3fd8b5f1f6e996d3daa22249b00339e00b15ed01d9b49c1e630c666da2dec68a25b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53f5df330080d857b58b6fde70f7c7266
SHA1c9f7cabb8e8c08a40015c0bd9730990d623dd49a
SHA256456fcd03f3d9e26833d64873b7378c4a71f3a079617bce95a67aca919c1bdc66
SHA51214678628f45d7dafb5c64e2711389fbd96ec68a58ffc71ed41382c9bedac3e97f69217d5148b5d6924e1987d763113b26688b13aab5d0a9f736d3d78ecdd3ef3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD544cf4f7a919c9524f35daf8ef599de6c
SHA12eb6858ff3b83bd7b06d5da0268ac01b638ec266
SHA256d1f67c1e6a8b80b8477ef2b1eee3eb78aabed5bf434d770ea8aef87ffc7bdfa0
SHA512f68a2422dcc17dd7d969a9ec5b5990a5793bf5b19e944e07cfb807b9e4bcf07e0715eaf3bb7498f445eb993fc07685a5cc579d3f937a8f531a9b64cd6c463d22
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Filesize
4.1MB
MD50031761a4a8dc048a54681bc02378be8
SHA15a80f3d0e82b2a4a7dbc88a98e8adf8f29f296d0
SHA256d41326156d9faa44bbbcf17771d81eaf65f1d1ca3e123585a01a5e23edcf7b75
SHA512ee2a034deb6dde697137332f3bca04fbe731aead5e454c31c5f0572f5135c4ad219d37611e9e5448b1d71efc21e877612b30c669194143091f156127953331f0
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec