Analysis
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max time kernel
149s -
max time network
143s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
19-05-2024 14:01
Static task
static1
Behavioral task
behavioral1
Sample
e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exe
Resource
win10v2004-20240426-en
General
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Target
e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exe
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Size
4.1MB
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MD5
942f7c485442d3a15b5a2da757a79b1c
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SHA1
34f9eb3fb6870a36f92da0e1575e5962a86e8901
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SHA256
e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544
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SHA512
b312626ceae03a65085afbf3fc60b4ac01bb16c7165df6b69a6d0c477adc54e48181446b9d9f35d09ae86b3181828a6a95c9f1e08a886094870c24a9deba7fba
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SSDEEP
98304:UNaXJU8AJvaro5mDbVFqT6QhicqJuM7BOvJODhfBAiYJAl59WO:UqU8A9EamDpImBOY9f2NO
Malware Config
Signatures
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Glupteba payload 20 IoCs
Processes:
resource yara_rule behavioral2/memory/3672-2-0x00000000049D0000-0x00000000052BB000-memory.dmp family_glupteba behavioral2/memory/3672-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3672-145-0x00000000049D0000-0x00000000052BB000-memory.dmp family_glupteba behavioral2/memory/3672-144-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/3672-198-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1116-197-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/2436-200-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/2436-212-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/2436-216-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/2436-219-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/2436-223-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/2436-227-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/2436-232-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/2436-236-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/2436-239-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/2436-243-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/2436-248-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/2436-252-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/2436-255-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/2436-259-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 4796 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 2436 csrss.exe 668 injector.exe 4692 windefender.exe 704 windefender.exe -
Processes:
resource yara_rule behavioral2/files/0x000200000002a9f6-203.dat upx behavioral2/memory/4692-204-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/704-208-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4692-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/704-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/704-222-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.execsrss.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3938118698-2964058152-2337880935-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exe Set value (str) \REGISTRY\USER\S-1-5-21-3938118698-2964058152-2337880935-1000\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.
Processes:
csrss.exedescription ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription 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 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 -
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.
Processes:
e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exe -
Drops file in Windows directory 4 IoCs
Processes:
e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.execsrss.exedescription ioc Process File opened for modification C:\Windows\rss e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exe File created C:\Windows\rss\csrss.exe e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.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.
Processes:
sc.exepid Process 4416 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 5048 powershell.exe 4440 powershell.exe 1680 powershell.exe 2504 powershell.exe 2948 powershell.exe 3024 powershell.exe 1048 powershell.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exepid Process 4460 schtasks.exe 4668 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exepowershell.exepowershell.exewindefender.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time" e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time" e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.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\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time" e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time" e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time" e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-91 = "Pacific SA Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-385 = "Namibia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-872 = "Pakistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time" e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.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,-351 = "FLE Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time" e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.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\@tzres.dll,-151 = "Central America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. Standard Time" e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time" e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-232 = "Hawaiian 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" e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time" e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-41 = "E. South America Daylight Time" e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time" e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time" e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-541 = "Myanmar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-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,-2791 = "Novosibirsk Daylight Time" e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.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,-1022 = "Bangladesh Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1842 = "Russia TZ 4 Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople 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\@tzres.dll,-542 = "Myanmar Standard Time" windefender.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\@tzres.dll,-1832 = "Russia TZ 2 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time" e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1971 = "Belarus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-631 = "Tokyo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\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\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time" e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2002 = "Cabo Verde Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-252 = "Dateline Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2752 = "Tomsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time" e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time" e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exee76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exepowershell.exee76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 2504 powershell.exe 2504 powershell.exe 3672 e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exe 3672 e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exe 2948 powershell.exe 2948 powershell.exe 1116 e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exe 1116 e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exe 1116 e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exe 1116 e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exe 1116 e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exe 1116 e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exe 1116 e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exe 1116 e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exe 1116 e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exe 1116 e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exe 3024 powershell.exe 3024 powershell.exe 1048 powershell.exe 1048 powershell.exe 5048 powershell.exe 5048 powershell.exe 4440 powershell.exe 4440 powershell.exe 1680 powershell.exe 1680 powershell.exe 668 injector.exe 668 injector.exe 668 injector.exe 668 injector.exe 668 injector.exe 668 injector.exe 2436 csrss.exe 2436 csrss.exe 668 injector.exe 668 injector.exe 668 injector.exe 668 injector.exe 668 injector.exe 668 injector.exe 2436 csrss.exe 2436 csrss.exe 668 injector.exe 668 injector.exe 668 injector.exe 668 injector.exe 2436 csrss.exe 2436 csrss.exe 668 injector.exe 668 injector.exe 668 injector.exe 668 injector.exe 668 injector.exe 668 injector.exe 668 injector.exe 668 injector.exe 668 injector.exe 668 injector.exe 668 injector.exe 668 injector.exe 668 injector.exe 668 injector.exe 668 injector.exe 668 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exee76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 2504 powershell.exe Token: SeDebugPrivilege 3672 e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exe Token: SeImpersonatePrivilege 3672 e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exe Token: SeDebugPrivilege 2948 powershell.exe Token: SeDebugPrivilege 3024 powershell.exe Token: SeDebugPrivilege 1048 powershell.exe Token: SeDebugPrivilege 5048 powershell.exe Token: SeDebugPrivilege 4440 powershell.exe Token: SeDebugPrivilege 1680 powershell.exe Token: SeSystemEnvironmentPrivilege 2436 csrss.exe Token: SeSecurityPrivilege 4416 sc.exe Token: SeSecurityPrivilege 4416 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exee76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 3672 wrote to memory of 2504 3672 e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exe 81 PID 3672 wrote to memory of 2504 3672 e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exe 81 PID 3672 wrote to memory of 2504 3672 e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exe 81 PID 1116 wrote to memory of 2948 1116 e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exe 108 PID 1116 wrote to memory of 2948 1116 e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exe 108 PID 1116 wrote to memory of 2948 1116 e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exe 108 PID 1116 wrote to memory of 5080 1116 e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exe 89 PID 1116 wrote to memory of 5080 1116 e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exe 89 PID 5080 wrote to memory of 4796 5080 cmd.exe 91 PID 5080 wrote to memory of 4796 5080 cmd.exe 91 PID 1116 wrote to memory of 3024 1116 e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exe 92 PID 1116 wrote to memory of 3024 1116 e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exe 92 PID 1116 wrote to memory of 3024 1116 e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exe 92 PID 1116 wrote to memory of 1048 1116 e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exe 94 PID 1116 wrote to memory of 1048 1116 e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exe 94 PID 1116 wrote to memory of 1048 1116 e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exe 94 PID 1116 wrote to memory of 2436 1116 e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exe 96 PID 1116 wrote to memory of 2436 1116 e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exe 96 PID 1116 wrote to memory of 2436 1116 e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exe 96 PID 2436 wrote to memory of 5048 2436 csrss.exe 97 PID 2436 wrote to memory of 5048 2436 csrss.exe 97 PID 2436 wrote to memory of 5048 2436 csrss.exe 97 PID 2436 wrote to memory of 4440 2436 csrss.exe 103 PID 2436 wrote to memory of 4440 2436 csrss.exe 103 PID 2436 wrote to memory of 4440 2436 csrss.exe 103 PID 2436 wrote to memory of 1680 2436 csrss.exe 105 PID 2436 wrote to memory of 1680 2436 csrss.exe 105 PID 2436 wrote to memory of 1680 2436 csrss.exe 105 PID 2436 wrote to memory of 668 2436 csrss.exe 107 PID 2436 wrote to memory of 668 2436 csrss.exe 107 PID 4692 wrote to memory of 1880 4692 windefender.exe 113 PID 4692 wrote to memory of 1880 4692 windefender.exe 113 PID 4692 wrote to memory of 1880 4692 windefender.exe 113 PID 1880 wrote to memory of 4416 1880 cmd.exe 114 PID 1880 wrote to memory of 4416 1880 cmd.exe 114 PID 1880 wrote to memory of 4416 1880 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\e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exe"C:\Users\Admin\AppData\Local\Temp\e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3672 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2504
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C:\Users\Admin\AppData\Local\Temp\e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exe"C:\Users\Admin\AppData\Local\Temp\e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.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:1116 -
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:2948
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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:5080 -
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:4796
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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:3024
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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:1048
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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:2436 -
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:5048
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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:4460
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3260
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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:4440
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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:1680
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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:668 -
C:\Windows\System32\Conhost.exe\??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV15⤵PID:2948
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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:4668
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4692 -
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:1880 -
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:4416
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:704
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
MD5b6a451ebf1bb78dd0d46810e8a3aa297
SHA1a61200452554a344ba21190ec467b19dbf61341b
SHA2563c1e67910cb21889cd0df9042968ebc62b478061ece876b4794873c3f40ef88d
SHA5125bf5c34bde37bfceffaedd61736275d65f004f22d31b4ab44c4b59dd68d379834940d3f6ed6ccc2306ec3614eaa6afd5cb91dcb312f761b7da357872e25e09e6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5af14497c63cce0e9e0cd91da04a32a2f
SHA1119e63944b24af07c47fbb9f566ca89dacaaa2da
SHA25670aa462b4acc91f4dbdd42d1c5d75c04d8c93aa0d82f80899bf8625dcdcfa263
SHA5120ba4c60be5a0032d5c290b15cea10a7d2ac67f88e6d5d300f19dea5fc0a244b424b91fba0404b51b43baafdd3b34d259eac0f7f740df799f40d0949beafb9f56
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50a1682c03302742395afa96a8f3623f2
SHA1c94502e0252e4c3ee908e2104360f028f612d206
SHA25645371cee2cd655dd2768ee5620cf4025514950082f283a0d059b1e5a760091dd
SHA5122c875544b60b8d58738f46fd8e26ead2759c3d40f47b0ec78832c5529512d2a9e9e1ea5cffcc7c561f3df8c6024cec5d751f4e96abebeea910b1364f340206e8
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5dcf443b4248557c310fbc7abedb131e0
SHA1394a31cdf0fc324e742a726395fe0148c8cbc41f
SHA2560b6a2594c424f0f9fefb14ca47dfd7cecf41639792246677d639630ea28ec7b7
SHA512899d725a37fb9158928232b7f917b9e854ba60071d0036b5344ee901352e10998f6f304be57f2f97820351d785e32f3ff2a4a3606f63a6d9d9394af17b8353e3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51c4f72cf6a32e0e69d233a3972b108f1
SHA1c8b835a593082bb39dc0c100fe99ce1c37616e52
SHA256047b0e7648e956cbb89d82474d9d02aa21920df8b3c44966de7866bd3e02a7c4
SHA5125ea0a7f8b4d2a748007235a102e7a5313e3c9b46b625902861837438c4b0e1d09506e390b04419659bd538823d7485b1dcec4c9cc8b244f24985ca91d1f8ad60
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Filesize
4.1MB
MD5942f7c485442d3a15b5a2da757a79b1c
SHA134f9eb3fb6870a36f92da0e1575e5962a86e8901
SHA256e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544
SHA512b312626ceae03a65085afbf3fc60b4ac01bb16c7165df6b69a6d0c477adc54e48181446b9d9f35d09ae86b3181828a6a95c9f1e08a886094870c24a9deba7fba
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec