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Analysis
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max time kernel
150s -
max time network
122s -
platform
windows11-21h2_x64 -
resource
win11-20240419-en -
resource tags
arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system -
submitted
02/05/2024, 20:08
Static task
static1
Behavioral task
behavioral1
Sample
3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.exe
Resource
win10v2004-20240419-en
General
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Target
3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.exe
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Size
4.2MB
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MD5
0f6f8c16a70edd50e9e000c4ff4ac2ec
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SHA1
ed5a776c43806713cb97a23309669389df0e7751
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SHA256
3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931
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SHA512
0c8d85a2b26ebc573ba0d92e1c8fab9676abe0fded9c0634cb8a62254ef8c50246440ce2e97c56e693c2c492c3b59a9d10f35fe27f0cbd380b6d641d4f0c9464
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SSDEEP
98304:p6SrQKkBQC4PnHNiNLk7n0q6bsVEgqWgwUIwD+toyYlM5LNuOc:nvwh4PnHck7nOsVEgAwH9tZh5Ls
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/2932-2-0x0000000005070000-0x000000000595B000-memory.dmp family_glupteba behavioral2/memory/2932-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2932-24-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral2/memory/2932-52-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2932-53-0x0000000005070000-0x000000000595B000-memory.dmp family_glupteba behavioral2/memory/2932-50-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral2/memory/900-64-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral2/memory/900-127-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral2/memory/4212-140-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral2/memory/4212-206-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral2/memory/4212-217-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral2/memory/4212-219-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral2/memory/4212-222-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral2/memory/4212-225-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral2/memory/4212-229-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral2/memory/4212-232-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral2/memory/4212-234-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral2/memory/4212-237-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral2/memory/4212-239-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1656 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4212 csrss.exe 132 injector.exe 3032 windefender.exe 4860 windefender.exe -
resource yara_rule behavioral2/files/0x001a00000002ab24-209.dat upx behavioral2/memory/3032-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4860-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3032-215-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4860-220-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4860-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-293923083-2364846840-4256557006-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-293923083-2364846840-4256557006-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.exe File created C:\Windows\rss\csrss.exe 3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 1916 sc.exe -
pid Process 2392 powershell.exe 1080 powershell.exe 4180 powershell.exe 2084 powershell.exe 2212 powershell.exe 944 powershell.exe 1484 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 4080 schtasks.exe 1716 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,-2391 = "Aleutian Daylight Time" 3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time" 3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" 3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time" 3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time" 3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates 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,-982 = "Kamchatka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1472 = "Magadan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time" 3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.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,-2391 = "Aleutian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-741 = "New Zealand Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2491 = "Aus Central W. Daylight Time" 3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" 3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time" 3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-831 = "SA Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time" 3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-652 = "AUS Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2431 = "Cuba Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2592 = "Tocantins Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" 3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-365 = "Middle East Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time" 3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.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,-492 = "India Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-371 = "Jerusalem Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.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\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time" 3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time" 3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" 3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" 3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time" 3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1932 = "Russia TZ 11 Standard Time" 3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-511 = "Central Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time" 3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time" 3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-461 = "Afghanistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-142 = "Canada Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-232 = "Hawaiian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2412 = "Marquesas Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-384 = "Namibia Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2392 powershell.exe 2392 powershell.exe 2932 3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.exe 2932 3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.exe 1080 powershell.exe 1080 powershell.exe 900 3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.exe 900 3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.exe 900 3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.exe 900 3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.exe 900 3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.exe 900 3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.exe 900 3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.exe 900 3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.exe 900 3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.exe 900 3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.exe 4180 powershell.exe 4180 powershell.exe 2084 powershell.exe 2084 powershell.exe 2212 powershell.exe 2212 powershell.exe 944 powershell.exe 944 powershell.exe 1484 powershell.exe 1484 powershell.exe 132 injector.exe 132 injector.exe 132 injector.exe 132 injector.exe 132 injector.exe 132 injector.exe 4212 csrss.exe 4212 csrss.exe 132 injector.exe 132 injector.exe 132 injector.exe 132 injector.exe 132 injector.exe 132 injector.exe 4212 csrss.exe 4212 csrss.exe 132 injector.exe 132 injector.exe 4212 csrss.exe 4212 csrss.exe 132 injector.exe 132 injector.exe 132 injector.exe 132 injector.exe 132 injector.exe 132 injector.exe 132 injector.exe 132 injector.exe 132 injector.exe 132 injector.exe 132 injector.exe 132 injector.exe 132 injector.exe 132 injector.exe 132 injector.exe 132 injector.exe 132 injector.exe 132 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2392 powershell.exe Token: SeDebugPrivilege 2932 3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.exe Token: SeImpersonatePrivilege 2932 3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.exe Token: SeDebugPrivilege 1080 powershell.exe Token: SeDebugPrivilege 4180 powershell.exe Token: SeDebugPrivilege 2084 powershell.exe Token: SeDebugPrivilege 2212 powershell.exe Token: SeDebugPrivilege 944 powershell.exe Token: SeDebugPrivilege 1484 powershell.exe Token: SeSystemEnvironmentPrivilege 4212 csrss.exe Token: SeSecurityPrivilege 1916 sc.exe Token: SeSecurityPrivilege 1916 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2932 wrote to memory of 2392 2932 3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.exe 81 PID 2932 wrote to memory of 2392 2932 3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.exe 81 PID 2932 wrote to memory of 2392 2932 3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.exe 81 PID 900 wrote to memory of 1080 900 3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.exe 86 PID 900 wrote to memory of 1080 900 3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.exe 86 PID 900 wrote to memory of 1080 900 3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.exe 86 PID 900 wrote to memory of 1916 900 3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.exe 88 PID 900 wrote to memory of 1916 900 3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.exe 88 PID 1916 wrote to memory of 1656 1916 cmd.exe 90 PID 1916 wrote to memory of 1656 1916 cmd.exe 90 PID 900 wrote to memory of 4180 900 3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.exe 91 PID 900 wrote to memory of 4180 900 3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.exe 91 PID 900 wrote to memory of 4180 900 3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.exe 91 PID 900 wrote to memory of 2084 900 3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.exe 93 PID 900 wrote to memory of 2084 900 3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.exe 93 PID 900 wrote to memory of 2084 900 3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.exe 93 PID 900 wrote to memory of 4212 900 3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.exe 95 PID 900 wrote to memory of 4212 900 3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.exe 95 PID 900 wrote to memory of 4212 900 3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.exe 95 PID 4212 wrote to memory of 2212 4212 csrss.exe 96 PID 4212 wrote to memory of 2212 4212 csrss.exe 96 PID 4212 wrote to memory of 2212 4212 csrss.exe 96 PID 4212 wrote to memory of 944 4212 csrss.exe 102 PID 4212 wrote to memory of 944 4212 csrss.exe 102 PID 4212 wrote to memory of 944 4212 csrss.exe 102 PID 4212 wrote to memory of 1484 4212 csrss.exe 104 PID 4212 wrote to memory of 1484 4212 csrss.exe 104 PID 4212 wrote to memory of 1484 4212 csrss.exe 104 PID 4212 wrote to memory of 132 4212 csrss.exe 106 PID 4212 wrote to memory of 132 4212 csrss.exe 106 PID 3032 wrote to memory of 3552 3032 windefender.exe 112 PID 3032 wrote to memory of 3552 3032 windefender.exe 112 PID 3032 wrote to memory of 3552 3032 windefender.exe 112 PID 3552 wrote to memory of 1916 3552 cmd.exe 113 PID 3552 wrote to memory of 1916 3552 cmd.exe 113 PID 3552 wrote to memory of 1916 3552 cmd.exe 113 -
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\3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.exe"C:\Users\Admin\AppData\Local\Temp\3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2932 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2392
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C:\Users\Admin\AppData\Local\Temp\3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.exe"C:\Users\Admin\AppData\Local\Temp\3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.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:900 -
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:1080
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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:1916 -
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:1656
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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:4180
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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:2084
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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:4212 -
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:2212
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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:4080
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2024
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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:944
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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:1484
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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:132
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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:1716
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3032 -
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:3552 -
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:1916
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4860
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
MD5f4e0bf5297e328bc5d01fe5493c0c625
SHA1cc602763ba728bae95d5463d492277b25503bb1d
SHA256a9ed71cd5b18c31378ec3400fa130fc6ade2e19ffd0a9ceed66d70f8bfa8819b
SHA512958b3ee55fe2c5691e2b1c52d3110b7aee80b249adc896c82f4e3af5350b97bbf89d44fca03db10c60753c19dcbeb072fc12ff21636b603c026f22a0cf69ef7f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50c184137cf9b41e392c3376926500077
SHA13da2b8c88bd3ba3301163a81584c8c775da1d811
SHA2564febd7742db20054aed29b668e204b739a2dc63e9f16c8a595e4e7bd4b0eddbc
SHA512c42f2f2830bc7b4ef941351b508989371ba10ad4c98e5926f2c4489c383b932772f156e259a2a617e58bc1db17ab68d85d773d97e63421fa4e289b5e2aafe282
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5efae6f17c7f63be1f2cbfb0a2b74f39c
SHA16ff58f400554587637f1f43fbcacf7fd7a2ff474
SHA2568fdd3902f8bf50912f55af72f85fc2d879cb058f5c19e1e9b01b08ed46fd8ea3
SHA51280f9081c319f2d02b1f4fff21e08b9d543c88913edc0a5ea11c9a472de514a67256ac71df1353c7441216c7544bd559387c40c5095b37e9be8916534c2aec5a4
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a169928f1a2a6d09406b61ad88a86a0c
SHA1bfd6c164fdb3bfbc0ea6a292e1838d4b60af89e3
SHA256c2981f1dc644b1dc6d22e35c41f699e91c061a3ca411be307c0f1c577d44fa20
SHA51238424507afba1272d29ecb4d00ea89be55e3d6513c194d180cc82aab9bca0da5f1890d95872d182646cba186dbe3d0071e4f5ac93790d4c7d7745b9a12566d17
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b71831b4bf304e082bb74707b1870fc8
SHA1354eb7ed32b2a5433144b0f14fe8cb9cb9f98f30
SHA256f33ff8614b0a764bbd5e62546a1bd10e38edafcdd8f658545884bdc7342ce061
SHA512e1dd0c0bf969f6d4f7e9ed15f9aabacf934c01b6c667e2ea04e85f06d8b0fb863668747cbbd3950f0b6520e8ddf760f32bd58de178b6123f7ddea071596ba313
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Filesize
4.2MB
MD50f6f8c16a70edd50e9e000c4ff4ac2ec
SHA1ed5a776c43806713cb97a23309669389df0e7751
SHA2563a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931
SHA5120c8d85a2b26ebc573ba0d92e1c8fab9676abe0fded9c0634cb8a62254ef8c50246440ce2e97c56e693c2c492c3b59a9d10f35fe27f0cbd380b6d641d4f0c9464
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec