Analysis
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max time kernel
142s -
max time network
144s -
platform
windows10-2004_x64 -
resource
win10v2004-20231127-en -
resource tags
arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system -
submitted
10/12/2023, 17:28
Static task
static1
General
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Target
bbc70d7b985db91d9f8a0f5e0838e809e480b96d5d2f9815da897e31db29bf1d.exe
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Size
4.2MB
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MD5
1a5630dd5451bd4433366dda9da5b936
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SHA1
2facfc5440938e8ee7512b69cbadd4ae5af44b73
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SHA256
bbc70d7b985db91d9f8a0f5e0838e809e480b96d5d2f9815da897e31db29bf1d
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SHA512
2ba0098b1877f7914e5282d72f35aae4d7b413c614fdec5953680dfab3f4c972f95f3fff4f2d827a168f990344f584f433f8808788dd779381aa687ce0a6ba28
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SSDEEP
49152:q2/g+sRcy0oKWykSpnCgh9RFXJ9HKuPXUlWoVxQiTHPKp8D6c7dyQxJhYmlEtI5H:q2Y+6cyrKQmnRXHKuAVTvvZyq+W
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/3640-2-0x00000000031E0000-0x0000000003ACB000-memory.dmp family_glupteba behavioral1/memory/3640-3-0x0000000000400000-0x0000000000F96000-memory.dmp family_glupteba behavioral1/memory/3640-22-0x0000000000400000-0x0000000000F96000-memory.dmp family_glupteba behavioral1/memory/3640-31-0x0000000000400000-0x0000000000F96000-memory.dmp family_glupteba behavioral1/memory/3640-32-0x00000000031E0000-0x0000000003ACB000-memory.dmp family_glupteba behavioral1/memory/3640-61-0x0000000000400000-0x0000000000F96000-memory.dmp family_glupteba behavioral1/memory/4200-63-0x0000000000400000-0x0000000000F96000-memory.dmp family_glupteba behavioral1/memory/4200-92-0x0000000000400000-0x0000000000F96000-memory.dmp family_glupteba behavioral1/memory/4200-99-0x0000000002C40000-0x000000000303E000-memory.dmp family_glupteba behavioral1/memory/4200-112-0x0000000000400000-0x0000000000F96000-memory.dmp family_glupteba behavioral1/memory/4200-144-0x0000000000400000-0x0000000000F96000-memory.dmp family_glupteba behavioral1/memory/4200-227-0x0000000000400000-0x0000000000F96000-memory.dmp family_glupteba behavioral1/memory/4124-264-0x0000000000400000-0x0000000000F96000-memory.dmp family_glupteba behavioral1/memory/4124-275-0x0000000000400000-0x0000000000F96000-memory.dmp family_glupteba behavioral1/memory/4124-279-0x0000000000400000-0x0000000000F96000-memory.dmp family_glupteba behavioral1/memory/4124-283-0x0000000000400000-0x0000000000F96000-memory.dmp family_glupteba behavioral1/memory/4124-287-0x0000000000400000-0x0000000000F96000-memory.dmp family_glupteba behavioral1/memory/4124-291-0x0000000000400000-0x0000000000F96000-memory.dmp family_glupteba behavioral1/memory/4124-303-0x0000000000400000-0x0000000000F96000-memory.dmp family_glupteba -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 4916 netsh.exe -
Executes dropped EXE 5 IoCs
pid Process 4124 csrss.exe 3476 injector.exe 4504 windefender.exe 5008 windefender.exe 320 f801950a962ddba14caaa44bf084b55c.exe -
resource yara_rule behavioral1/files/0x0007000000023128-267.dat upx behavioral1/memory/4504-272-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/5008-276-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/5008-284-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/files/0x000800000002312e-298.dat upx behavioral1/memory/5008-302-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/320-307-0x0000000000400000-0x0000000000C25000-memory.dmp upx behavioral1/memory/320-309-0x0000000000400000-0x0000000000C25000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3635043082-2972811465-3176142135-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-3635043082-2972811465-3176142135-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" bbc70d7b985db91d9f8a0f5e0838e809e480b96d5d2f9815da897e31db29bf1d.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 bbc70d7b985db91d9f8a0f5e0838e809e480b96d5d2f9815da897e31db29bf1d.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss bbc70d7b985db91d9f8a0f5e0838e809e480b96d5d2f9815da897e31db29bf1d.exe File created C:\Windows\rss\csrss.exe bbc70d7b985db91d9f8a0f5e0838e809e480b96d5d2f9815da897e31db29bf1d.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 448 sc.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 4672 schtasks.exe 3904 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time" bbc70d7b985db91d9f8a0f5e0838e809e480b96d5d2f9815da897e31db29bf1d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" bbc70d7b985db91d9f8a0f5e0838e809e480b96d5d2f9815da897e31db29bf1d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2431 = "Cuba Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time" bbc70d7b985db91d9f8a0f5e0838e809e480b96d5d2f9815da897e31db29bf1d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-571 = "China Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1932 = "Russia TZ 11 Standard Time" windefender.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\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" bbc70d7b985db91d9f8a0f5e0838e809e480b96d5d2f9815da897e31db29bf1d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-3052 = "Qyzylorda Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time" bbc70d7b985db91d9f8a0f5e0838e809e480b96d5d2f9815da897e31db29bf1d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time" bbc70d7b985db91d9f8a0f5e0838e809e480b96d5d2f9815da897e31db29bf1d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2371 = "Easter Island Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2592 = "Tocantins Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" bbc70d7b985db91d9f8a0f5e0838e809e480b96d5d2f9815da897e31db29bf1d.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\22\52C64B7E\@tzres.dll,-2062 = "North Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-31 = "Mid-Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time" bbc70d7b985db91d9f8a0f5e0838e809e480b96d5d2f9815da897e31db29bf1d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-401 = "Arabic Daylight Time" windefender.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\22\52C64B7E\@tzres.dll,-431 = "Iran Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2892 = "Sudan Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1662 = "Bahia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1872 = "Russia TZ 7 Standard Time" windefender.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\22\52C64B7E\@tzres.dll,-3142 = "South Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time" bbc70d7b985db91d9f8a0f5e0838e809e480b96d5d2f9815da897e31db29bf1d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" bbc70d7b985db91d9f8a0f5e0838e809e480b96d5d2f9815da897e31db29bf1d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-221 = "Alaskan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time" bbc70d7b985db91d9f8a0f5e0838e809e480b96d5d2f9815da897e31db29bf1d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2142 = "Transbaikal Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-452 = "Caucasus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" bbc70d7b985db91d9f8a0f5e0838e809e480b96d5d2f9815da897e31db29bf1d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-292 = "Central European Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs 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\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" bbc70d7b985db91d9f8a0f5e0838e809e480b96d5d2f9815da897e31db29bf1d.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\22\52C64B7E\@tzres.dll,-301 = "Romance Daylight Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time" bbc70d7b985db91d9f8a0f5e0838e809e480b96d5d2f9815da897e31db29bf1d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time" bbc70d7b985db91d9f8a0f5e0838e809e480b96d5d2f9815da897e31db29bf1d.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\22\52C64B7E\@tzres.dll,-2162 = "Altai Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-632 = "Tokyo Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.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\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time" bbc70d7b985db91d9f8a0f5e0838e809e480b96d5d2f9815da897e31db29bf1d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time" bbc70d7b985db91d9f8a0f5e0838e809e480b96d5d2f9815da897e31db29bf1d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-561 = "SE Asia Daylight Time" windefender.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\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2872 = "Magallanes Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4636 powershell.exe 4636 powershell.exe 4636 powershell.exe 3640 bbc70d7b985db91d9f8a0f5e0838e809e480b96d5d2f9815da897e31db29bf1d.exe 3640 bbc70d7b985db91d9f8a0f5e0838e809e480b96d5d2f9815da897e31db29bf1d.exe 1624 powershell.exe 1624 powershell.exe 1624 powershell.exe 4200 bbc70d7b985db91d9f8a0f5e0838e809e480b96d5d2f9815da897e31db29bf1d.exe 4200 bbc70d7b985db91d9f8a0f5e0838e809e480b96d5d2f9815da897e31db29bf1d.exe 4200 bbc70d7b985db91d9f8a0f5e0838e809e480b96d5d2f9815da897e31db29bf1d.exe 4200 bbc70d7b985db91d9f8a0f5e0838e809e480b96d5d2f9815da897e31db29bf1d.exe 4200 bbc70d7b985db91d9f8a0f5e0838e809e480b96d5d2f9815da897e31db29bf1d.exe 4200 bbc70d7b985db91d9f8a0f5e0838e809e480b96d5d2f9815da897e31db29bf1d.exe 4200 bbc70d7b985db91d9f8a0f5e0838e809e480b96d5d2f9815da897e31db29bf1d.exe 4200 bbc70d7b985db91d9f8a0f5e0838e809e480b96d5d2f9815da897e31db29bf1d.exe 4200 bbc70d7b985db91d9f8a0f5e0838e809e480b96d5d2f9815da897e31db29bf1d.exe 4200 bbc70d7b985db91d9f8a0f5e0838e809e480b96d5d2f9815da897e31db29bf1d.exe 4320 powershell.exe 4320 powershell.exe 4320 powershell.exe 392 powershell.exe 392 powershell.exe 392 powershell.exe 2152 powershell.exe 2152 powershell.exe 2152 powershell.exe 4544 powershell.exe 4544 powershell.exe 4544 powershell.exe 4636 powershell.exe 4636 powershell.exe 4636 powershell.exe 3476 injector.exe 3476 injector.exe 3476 injector.exe 3476 injector.exe 3476 injector.exe 3476 injector.exe 4124 csrss.exe 4124 csrss.exe 3476 injector.exe 3476 injector.exe 3476 injector.exe 3476 injector.exe 3476 injector.exe 3476 injector.exe 4124 csrss.exe 4124 csrss.exe 3476 injector.exe 3476 injector.exe 4124 csrss.exe 4124 csrss.exe 3476 injector.exe 3476 injector.exe 3476 injector.exe 3476 injector.exe 3476 injector.exe 3476 injector.exe 3476 injector.exe 3476 injector.exe 3476 injector.exe 3476 injector.exe 3476 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4636 powershell.exe Token: SeDebugPrivilege 3640 bbc70d7b985db91d9f8a0f5e0838e809e480b96d5d2f9815da897e31db29bf1d.exe Token: SeImpersonatePrivilege 3640 bbc70d7b985db91d9f8a0f5e0838e809e480b96d5d2f9815da897e31db29bf1d.exe Token: SeDebugPrivilege 1624 powershell.exe Token: SeDebugPrivilege 4320 powershell.exe Token: SeDebugPrivilege 392 powershell.exe Token: SeDebugPrivilege 2152 powershell.exe Token: SeDebugPrivilege 4544 powershell.exe Token: SeDebugPrivilege 4636 powershell.exe Token: SeSystemEnvironmentPrivilege 4124 csrss.exe Token: SeSecurityPrivilege 448 sc.exe Token: SeSecurityPrivilege 448 sc.exe -
Suspicious use of WriteProcessMemory 42 IoCs
description pid Process procid_target PID 3640 wrote to memory of 4636 3640 bbc70d7b985db91d9f8a0f5e0838e809e480b96d5d2f9815da897e31db29bf1d.exe 94 PID 3640 wrote to memory of 4636 3640 bbc70d7b985db91d9f8a0f5e0838e809e480b96d5d2f9815da897e31db29bf1d.exe 94 PID 3640 wrote to memory of 4636 3640 bbc70d7b985db91d9f8a0f5e0838e809e480b96d5d2f9815da897e31db29bf1d.exe 94 PID 4200 wrote to memory of 1624 4200 bbc70d7b985db91d9f8a0f5e0838e809e480b96d5d2f9815da897e31db29bf1d.exe 111 PID 4200 wrote to memory of 1624 4200 bbc70d7b985db91d9f8a0f5e0838e809e480b96d5d2f9815da897e31db29bf1d.exe 111 PID 4200 wrote to memory of 1624 4200 bbc70d7b985db91d9f8a0f5e0838e809e480b96d5d2f9815da897e31db29bf1d.exe 111 PID 4200 wrote to memory of 4544 4200 bbc70d7b985db91d9f8a0f5e0838e809e480b96d5d2f9815da897e31db29bf1d.exe 113 PID 4200 wrote to memory of 4544 4200 bbc70d7b985db91d9f8a0f5e0838e809e480b96d5d2f9815da897e31db29bf1d.exe 113 PID 4544 wrote to memory of 4916 4544 cmd.exe 115 PID 4544 wrote to memory of 4916 4544 cmd.exe 115 PID 4200 wrote to memory of 4320 4200 bbc70d7b985db91d9f8a0f5e0838e809e480b96d5d2f9815da897e31db29bf1d.exe 117 PID 4200 wrote to memory of 4320 4200 bbc70d7b985db91d9f8a0f5e0838e809e480b96d5d2f9815da897e31db29bf1d.exe 117 PID 4200 wrote to memory of 4320 4200 bbc70d7b985db91d9f8a0f5e0838e809e480b96d5d2f9815da897e31db29bf1d.exe 117 PID 4200 wrote to memory of 392 4200 bbc70d7b985db91d9f8a0f5e0838e809e480b96d5d2f9815da897e31db29bf1d.exe 119 PID 4200 wrote to memory of 392 4200 bbc70d7b985db91d9f8a0f5e0838e809e480b96d5d2f9815da897e31db29bf1d.exe 119 PID 4200 wrote to memory of 392 4200 bbc70d7b985db91d9f8a0f5e0838e809e480b96d5d2f9815da897e31db29bf1d.exe 119 PID 4200 wrote to memory of 4124 4200 bbc70d7b985db91d9f8a0f5e0838e809e480b96d5d2f9815da897e31db29bf1d.exe 121 PID 4200 wrote to memory of 4124 4200 bbc70d7b985db91d9f8a0f5e0838e809e480b96d5d2f9815da897e31db29bf1d.exe 121 PID 4200 wrote to memory of 4124 4200 bbc70d7b985db91d9f8a0f5e0838e809e480b96d5d2f9815da897e31db29bf1d.exe 121 PID 4124 wrote to memory of 2152 4124 csrss.exe 122 PID 4124 wrote to memory of 2152 4124 csrss.exe 122 PID 4124 wrote to memory of 2152 4124 csrss.exe 122 PID 4124 wrote to memory of 4544 4124 csrss.exe 127 PID 4124 wrote to memory of 4544 4124 csrss.exe 127 PID 4124 wrote to memory of 4544 4124 csrss.exe 127 PID 4124 wrote to memory of 4636 4124 csrss.exe 130 PID 4124 wrote to memory of 4636 4124 csrss.exe 130 PID 4124 wrote to memory of 4636 4124 csrss.exe 130 PID 4124 wrote to memory of 3476 4124 csrss.exe 132 PID 4124 wrote to memory of 3476 4124 csrss.exe 132 PID 4504 wrote to memory of 3280 4504 windefender.exe 138 PID 4504 wrote to memory of 3280 4504 windefender.exe 138 PID 4504 wrote to memory of 3280 4504 windefender.exe 138 PID 3280 wrote to memory of 448 3280 cmd.exe 139 PID 3280 wrote to memory of 448 3280 cmd.exe 139 PID 3280 wrote to memory of 448 3280 cmd.exe 139 PID 4124 wrote to memory of 2484 4124 csrss.exe 145 PID 4124 wrote to memory of 2484 4124 csrss.exe 145 PID 4124 wrote to memory of 2484 4124 csrss.exe 145 PID 4124 wrote to memory of 320 4124 csrss.exe 149 PID 4124 wrote to memory of 320 4124 csrss.exe 149 PID 4124 wrote to memory of 320 4124 csrss.exe 149 -
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\bbc70d7b985db91d9f8a0f5e0838e809e480b96d5d2f9815da897e31db29bf1d.exe"C:\Users\Admin\AppData\Local\Temp\bbc70d7b985db91d9f8a0f5e0838e809e480b96d5d2f9815da897e31db29bf1d.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3640 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4636
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C:\Users\Admin\AppData\Local\Temp\bbc70d7b985db91d9f8a0f5e0838e809e480b96d5d2f9815da897e31db29bf1d.exe"C:\Users\Admin\AppData\Local\Temp\bbc70d7b985db91d9f8a0f5e0838e809e480b96d5d2f9815da897e31db29bf1d.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:4200 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1624
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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:4544 -
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:4916
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4320
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:392
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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:4124 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2152
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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:4672
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4432
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4544
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4636
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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:3476
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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:3904
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4504 -
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:3280 -
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:448
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Modifies data under HKEY_USERS
PID:2484
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C:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exeC:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exe4⤵
- Executes dropped EXE
PID:320 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn "csrss" /f5⤵PID:1260
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn "ScheduledUpdate" /f5⤵PID:4436
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:5008
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
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
3.2MB
MD5f801950a962ddba14caaa44bf084b55c
SHA17cadc9076121297428442785536ba0df2d4ae996
SHA256c3946ec89e15b24b743c46f9acacb58cff47da63f3ce2799d71ed90496b8891f
SHA5124183bc76bdc84fb779e2e573d9a63d7de47096b63b945f9e335bee95ae28eb208f5ee15f6501ac59623b97c5b77f3455ca313512e7d9803e1704ae22a52459c5
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Filesize
99KB
MD509031a062610d77d685c9934318b4170
SHA1880f744184e7774f3d14c1bb857e21cc7fe89a6d
SHA256778bd69af403df3c4e074c31b3850d71bf0e64524bea4272a802ca9520b379dd
SHA5129a276e1f0f55d35f2bf38eb093464f7065bdd30a660e6d1c62eed5e76d1fb2201567b89d9ae65d2d89dc99b142159e36fb73be8d5e08252a975d50544a7cda27
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD597b3d365d0b26bd09df91139568ea04b
SHA175cf8eccf5da8fc6fbea3ebc4af2710491cee5ba
SHA25681bdff1c741758a45b8ceb8bbda92795a587c1202c607378cccdd8e764511ac9
SHA5124830b6da0558c475acc7c8d4b8b614ef69686e324425e8d7b9c2effd07b70033ac5729735615105c7827cfc0247461c3531c05081f288804aaaf5e78a4e1a7de
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a26039e67957c6ad1eb8ccdde0fff4ce
SHA13ae8b8f9f0c9686733ba8a7eb470440a3bc7dc4c
SHA256c2ac50b561e4929847d884136610d5df5ff7c3b49fae32f9df1481702cd0acb3
SHA51224a36ceb0b05358e03685fd37ab32f7a12a14132f1fe76f08328e939905e76eea1bf9672b495697b5a393ed0d4c3043e3f8653bebba26ed554cdae5d3f9bf2c7
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f50792e885e6f91f7c8dbe427f382d4b
SHA192b8ec1dca2d0ef3e1f9806bd41bfe937a36fc5f
SHA25693aa2691735b8d3f25eb609717dde1128fc17d3c4ff7df7f70088c5bcfd7b63a
SHA512c4b3adb0c7900a701dcbae4d0f98c6d322aa7dee453bea43a3a2318666ba78fce15f1f67b7fa4eeb5184d72b274840b5c686efa2b5f2f0c71b15ee737210a25d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d9fc66b7195ea84cce93a6d016390601
SHA13108604ae0da4e5687041b315d6ea7c0100da69b
SHA25636945bfacbcc34cf63dcb5e8d963574ab66cafde40f6dad471be03de80d64793
SHA5120cd59d20975a88b77e1e34dc5d9ca5af262428e4246bc6995cc507246ceb44f437a96d49d931cfd1c8be5b44dc4fe90adc3f7718d39986821cfce1d82c4f962c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50f40daee76372f7f8a29a440ec8afbdb
SHA1512a2978164c4b882e63e999e39e0e5c4c9eec61
SHA2564bebf959a6a0103848dd7a144179f714f7379b770a7deb54e38b8ffb347609b5
SHA512ef865451b98f50ff38a45318de6c6370a6b151b1466d8ab7ecda4be7a2a2baeff93ba25b74c3f5f8974e5672af72cee02854a5d8dbe342504d366c2b3a055028
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Filesize
4.2MB
MD51a5630dd5451bd4433366dda9da5b936
SHA12facfc5440938e8ee7512b69cbadd4ae5af44b73
SHA256bbc70d7b985db91d9f8a0f5e0838e809e480b96d5d2f9815da897e31db29bf1d
SHA5122ba0098b1877f7914e5282d72f35aae4d7b413c614fdec5953680dfab3f4c972f95f3fff4f2d827a168f990344f584f433f8808788dd779381aa687ce0a6ba28
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec