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Analysis
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max time kernel
150s -
max time network
129s -
platform
windows10-2004_x64 -
resource
win10v2004-20240419-en -
resource tags
arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system -
submitted
26/04/2024, 12:35
Static task
static1
Behavioral task
behavioral1
Sample
e22e0ebd26f2afb469c55e6e235fe92705cf4a70da5debc4d041ec1aed022b53.exe
Resource
win10v2004-20240419-en
General
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Target
e22e0ebd26f2afb469c55e6e235fe92705cf4a70da5debc4d041ec1aed022b53.exe
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Size
4.2MB
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MD5
e4e9f1a48f7aab6c12ab3553df4195f1
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SHA1
cf266c0238dac9759d27a7b8d01a0d0af1f16cf8
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SHA256
e22e0ebd26f2afb469c55e6e235fe92705cf4a70da5debc4d041ec1aed022b53
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SHA512
6864cdca3a60e6f59e7121149b0255fd7c615df76f1e8ad9a92badd2454c44dac43576b59b390637a6831b22a0b5f2f0e0cbcea66e1359fb2a46b156c72ef24f
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SSDEEP
98304:GoYeyy8kHe78wPlePBdIBkk7XHCPR9lUiyPcb7obt3hLJPXS:lYed8id2le5CV69lULPddS
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral1/memory/1608-2-0x0000000006460000-0x0000000006D4B000-memory.dmp family_glupteba behavioral1/memory/1608-3-0x0000000000400000-0x000000000441F000-memory.dmp family_glupteba behavioral1/memory/1608-52-0x0000000000400000-0x000000000441F000-memory.dmp family_glupteba behavioral1/memory/1608-54-0x0000000006460000-0x0000000006D4B000-memory.dmp family_glupteba behavioral1/memory/3580-127-0x0000000000400000-0x000000000441F000-memory.dmp family_glupteba behavioral1/memory/3580-161-0x0000000000400000-0x000000000441F000-memory.dmp family_glupteba behavioral1/memory/1232-162-0x0000000000400000-0x000000000441F000-memory.dmp family_glupteba behavioral1/memory/1232-213-0x0000000000400000-0x000000000441F000-memory.dmp family_glupteba behavioral1/memory/1232-224-0x0000000000400000-0x000000000441F000-memory.dmp family_glupteba behavioral1/memory/1232-226-0x0000000000400000-0x000000000441F000-memory.dmp family_glupteba behavioral1/memory/1232-228-0x0000000000400000-0x000000000441F000-memory.dmp family_glupteba behavioral1/memory/1232-230-0x0000000000400000-0x000000000441F000-memory.dmp family_glupteba behavioral1/memory/1232-232-0x0000000000400000-0x000000000441F000-memory.dmp family_glupteba behavioral1/memory/1232-234-0x0000000000400000-0x000000000441F000-memory.dmp family_glupteba behavioral1/memory/1232-236-0x0000000000400000-0x000000000441F000-memory.dmp family_glupteba behavioral1/memory/1232-238-0x0000000000400000-0x000000000441F000-memory.dmp family_glupteba behavioral1/memory/1232-240-0x0000000000400000-0x000000000441F000-memory.dmp family_glupteba behavioral1/memory/1232-242-0x0000000000400000-0x000000000441F000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 5028 netsh.exe -
Executes dropped EXE 3 IoCs
pid Process 1232 csrss.exe 3968 injector.exe 3312 injector.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2860750803-256193626-1801997576-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" e22e0ebd26f2afb469c55e6e235fe92705cf4a70da5debc4d041ec1aed022b53.exe Set value (str) \REGISTRY\USER\S-1-5-21-2860750803-256193626-1801997576-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File 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 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN e22e0ebd26f2afb469c55e6e235fe92705cf4a70da5debc4d041ec1aed022b53.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\rss e22e0ebd26f2afb469c55e6e235fe92705cf4a70da5debc4d041ec1aed022b53.exe File created C:\Windows\rss\csrss.exe e22e0ebd26f2afb469c55e6e235fe92705cf4a70da5debc4d041ec1aed022b53.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 1980 schtasks.exe 908 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,-771 = "Montevideo Daylight Time" e22e0ebd26f2afb469c55e6e235fe92705cf4a70da5debc4d041ec1aed022b53.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2571 = "Turks and Caicos Daylight Time" e22e0ebd26f2afb469c55e6e235fe92705cf4a70da5debc4d041ec1aed022b53.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" e22e0ebd26f2afb469c55e6e235fe92705cf4a70da5debc4d041ec1aed022b53.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" e22e0ebd26f2afb469c55e6e235fe92705cf4a70da5debc4d041ec1aed022b53.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time" e22e0ebd26f2afb469c55e6e235fe92705cf4a70da5debc4d041ec1aed022b53.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" e22e0ebd26f2afb469c55e6e235fe92705cf4a70da5debc4d041ec1aed022b53.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time" e22e0ebd26f2afb469c55e6e235fe92705cf4a70da5debc4d041ec1aed022b53.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs 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\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time" e22e0ebd26f2afb469c55e6e235fe92705cf4a70da5debc4d041ec1aed022b53.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" e22e0ebd26f2afb469c55e6e235fe92705cf4a70da5debc4d041ec1aed022b53.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time" e22e0ebd26f2afb469c55e6e235fe92705cf4a70da5debc4d041ec1aed022b53.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.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\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time" e22e0ebd26f2afb469c55e6e235fe92705cf4a70da5debc4d041ec1aed022b53.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time" e22e0ebd26f2afb469c55e6e235fe92705cf4a70da5debc4d041ec1aed022b53.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\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,-1022 = "Bangladesh Standard Time" e22e0ebd26f2afb469c55e6e235fe92705cf4a70da5debc4d041ec1aed022b53.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)" e22e0ebd26f2afb469c55e6e235fe92705cf4a70da5debc4d041ec1aed022b53.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs 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,-982 = "Kamchatka Standard Time" e22e0ebd26f2afb469c55e6e235fe92705cf4a70da5debc4d041ec1aed022b53.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time" e22e0ebd26f2afb469c55e6e235fe92705cf4a70da5debc4d041ec1aed022b53.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" e22e0ebd26f2afb469c55e6e235fe92705cf4a70da5debc4d041ec1aed022b53.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" e22e0ebd26f2afb469c55e6e235fe92705cf4a70da5debc4d041ec1aed022b53.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" e22e0ebd26f2afb469c55e6e235fe92705cf4a70da5debc4d041ec1aed022b53.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time" e22e0ebd26f2afb469c55e6e235fe92705cf4a70da5debc4d041ec1aed022b53.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time" e22e0ebd26f2afb469c55e6e235fe92705cf4a70da5debc4d041ec1aed022b53.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time" e22e0ebd26f2afb469c55e6e235fe92705cf4a70da5debc4d041ec1aed022b53.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" e22e0ebd26f2afb469c55e6e235fe92705cf4a70da5debc4d041ec1aed022b53.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" e22e0ebd26f2afb469c55e6e235fe92705cf4a70da5debc4d041ec1aed022b53.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" e22e0ebd26f2afb469c55e6e235fe92705cf4a70da5debc4d041ec1aed022b53.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2572 = "Turks and Caicos Standard Time" e22e0ebd26f2afb469c55e6e235fe92705cf4a70da5debc4d041ec1aed022b53.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\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2888 powershell.exe 2888 powershell.exe 1608 e22e0ebd26f2afb469c55e6e235fe92705cf4a70da5debc4d041ec1aed022b53.exe 1608 e22e0ebd26f2afb469c55e6e235fe92705cf4a70da5debc4d041ec1aed022b53.exe 2244 powershell.exe 2244 powershell.exe 3580 e22e0ebd26f2afb469c55e6e235fe92705cf4a70da5debc4d041ec1aed022b53.exe 3580 e22e0ebd26f2afb469c55e6e235fe92705cf4a70da5debc4d041ec1aed022b53.exe 3580 e22e0ebd26f2afb469c55e6e235fe92705cf4a70da5debc4d041ec1aed022b53.exe 3580 e22e0ebd26f2afb469c55e6e235fe92705cf4a70da5debc4d041ec1aed022b53.exe 3580 e22e0ebd26f2afb469c55e6e235fe92705cf4a70da5debc4d041ec1aed022b53.exe 3580 e22e0ebd26f2afb469c55e6e235fe92705cf4a70da5debc4d041ec1aed022b53.exe 3580 e22e0ebd26f2afb469c55e6e235fe92705cf4a70da5debc4d041ec1aed022b53.exe 3580 e22e0ebd26f2afb469c55e6e235fe92705cf4a70da5debc4d041ec1aed022b53.exe 3580 e22e0ebd26f2afb469c55e6e235fe92705cf4a70da5debc4d041ec1aed022b53.exe 3580 e22e0ebd26f2afb469c55e6e235fe92705cf4a70da5debc4d041ec1aed022b53.exe 3652 powershell.exe 3652 powershell.exe 1872 powershell.exe 1872 powershell.exe 2076 powershell.exe 2076 powershell.exe 3028 powershell.exe 3028 powershell.exe 60 powershell.exe 60 powershell.exe 3968 injector.exe 3968 injector.exe 3312 injector.exe 3312 injector.exe 3968 injector.exe 3968 injector.exe 3312 injector.exe 3312 injector.exe 1232 csrss.exe 1232 csrss.exe 3968 injector.exe 3968 injector.exe 3312 injector.exe 3312 injector.exe 3968 injector.exe 3968 injector.exe 3312 injector.exe 3312 injector.exe 3968 injector.exe 3968 injector.exe 3312 injector.exe 3312 injector.exe 1232 csrss.exe 1232 csrss.exe 3968 injector.exe 3968 injector.exe 3312 injector.exe 3312 injector.exe 3968 injector.exe 3968 injector.exe 3312 injector.exe 3312 injector.exe 3968 injector.exe 3968 injector.exe 3312 injector.exe 3312 injector.exe 3968 injector.exe 3968 injector.exe -
Suspicious use of AdjustPrivilegeToken 10 IoCs
description pid Process Token: SeDebugPrivilege 2888 powershell.exe Token: SeDebugPrivilege 1608 e22e0ebd26f2afb469c55e6e235fe92705cf4a70da5debc4d041ec1aed022b53.exe Token: SeImpersonatePrivilege 1608 e22e0ebd26f2afb469c55e6e235fe92705cf4a70da5debc4d041ec1aed022b53.exe Token: SeDebugPrivilege 2244 powershell.exe Token: SeDebugPrivilege 3652 powershell.exe Token: SeDebugPrivilege 1872 powershell.exe Token: SeDebugPrivilege 2076 powershell.exe Token: SeDebugPrivilege 3028 powershell.exe Token: SeDebugPrivilege 60 powershell.exe Token: SeSystemEnvironmentPrivilege 1232 csrss.exe -
Suspicious use of WriteProcessMemory 32 IoCs
description pid Process procid_target PID 1608 wrote to memory of 2888 1608 e22e0ebd26f2afb469c55e6e235fe92705cf4a70da5debc4d041ec1aed022b53.exe 88 PID 1608 wrote to memory of 2888 1608 e22e0ebd26f2afb469c55e6e235fe92705cf4a70da5debc4d041ec1aed022b53.exe 88 PID 1608 wrote to memory of 2888 1608 e22e0ebd26f2afb469c55e6e235fe92705cf4a70da5debc4d041ec1aed022b53.exe 88 PID 3580 wrote to memory of 2244 3580 e22e0ebd26f2afb469c55e6e235fe92705cf4a70da5debc4d041ec1aed022b53.exe 93 PID 3580 wrote to memory of 2244 3580 e22e0ebd26f2afb469c55e6e235fe92705cf4a70da5debc4d041ec1aed022b53.exe 93 PID 3580 wrote to memory of 2244 3580 e22e0ebd26f2afb469c55e6e235fe92705cf4a70da5debc4d041ec1aed022b53.exe 93 PID 3580 wrote to memory of 1952 3580 e22e0ebd26f2afb469c55e6e235fe92705cf4a70da5debc4d041ec1aed022b53.exe 95 PID 3580 wrote to memory of 1952 3580 e22e0ebd26f2afb469c55e6e235fe92705cf4a70da5debc4d041ec1aed022b53.exe 95 PID 1952 wrote to memory of 5028 1952 cmd.exe 97 PID 1952 wrote to memory of 5028 1952 cmd.exe 97 PID 3580 wrote to memory of 3652 3580 e22e0ebd26f2afb469c55e6e235fe92705cf4a70da5debc4d041ec1aed022b53.exe 98 PID 3580 wrote to memory of 3652 3580 e22e0ebd26f2afb469c55e6e235fe92705cf4a70da5debc4d041ec1aed022b53.exe 98 PID 3580 wrote to memory of 3652 3580 e22e0ebd26f2afb469c55e6e235fe92705cf4a70da5debc4d041ec1aed022b53.exe 98 PID 3580 wrote to memory of 1872 3580 e22e0ebd26f2afb469c55e6e235fe92705cf4a70da5debc4d041ec1aed022b53.exe 100 PID 3580 wrote to memory of 1872 3580 e22e0ebd26f2afb469c55e6e235fe92705cf4a70da5debc4d041ec1aed022b53.exe 100 PID 3580 wrote to memory of 1872 3580 e22e0ebd26f2afb469c55e6e235fe92705cf4a70da5debc4d041ec1aed022b53.exe 100 PID 3580 wrote to memory of 1232 3580 e22e0ebd26f2afb469c55e6e235fe92705cf4a70da5debc4d041ec1aed022b53.exe 102 PID 3580 wrote to memory of 1232 3580 e22e0ebd26f2afb469c55e6e235fe92705cf4a70da5debc4d041ec1aed022b53.exe 102 PID 3580 wrote to memory of 1232 3580 e22e0ebd26f2afb469c55e6e235fe92705cf4a70da5debc4d041ec1aed022b53.exe 102 PID 1232 wrote to memory of 2076 1232 csrss.exe 103 PID 1232 wrote to memory of 2076 1232 csrss.exe 103 PID 1232 wrote to memory of 2076 1232 csrss.exe 103 PID 1232 wrote to memory of 3028 1232 csrss.exe 110 PID 1232 wrote to memory of 3028 1232 csrss.exe 110 PID 1232 wrote to memory of 3028 1232 csrss.exe 110 PID 1232 wrote to memory of 60 1232 csrss.exe 112 PID 1232 wrote to memory of 60 1232 csrss.exe 112 PID 1232 wrote to memory of 60 1232 csrss.exe 112 PID 1232 wrote to memory of 3968 1232 csrss.exe 114 PID 1232 wrote to memory of 3968 1232 csrss.exe 114 PID 1232 wrote to memory of 3312 1232 csrss.exe 116 PID 1232 wrote to memory of 3312 1232 csrss.exe 116 -
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\e22e0ebd26f2afb469c55e6e235fe92705cf4a70da5debc4d041ec1aed022b53.exe"C:\Users\Admin\AppData\Local\Temp\e22e0ebd26f2afb469c55e6e235fe92705cf4a70da5debc4d041ec1aed022b53.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1608 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2888
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C:\Users\Admin\AppData\Local\Temp\e22e0ebd26f2afb469c55e6e235fe92705cf4a70da5debc4d041ec1aed022b53.exe"C:\Users\Admin\AppData\Local\Temp\e22e0ebd26f2afb469c55e6e235fe92705cf4a70da5debc4d041ec1aed022b53.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:3580 -
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:2244
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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:1952 -
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:5028
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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:3652
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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:1872
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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.
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1232 -
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:2076
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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:1980
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2748
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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:3028
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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:60
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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:3968
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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:3312
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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:908
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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
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD564cd68c3ff62b84f29513b04ae5a4e42
SHA117ccda57009fe351c6613311facdaac8ade59edf
SHA25612a45a8eb9e2564d7361812881a5e8d3263f212ed83f73c93dde1eccdfff2759
SHA5128d44a98da7202a1d0af2a1ec137aaf1d8adddb627d617ef0d728b1f195dcd30d937f72d783fe2964e68f7c3ce20a1b353a6956d458f2992ca423c62bb34946e8
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a68c213ae7ff71d1d78edfb272cd839a
SHA1956b46aac73a3f8f73a07f901d757d84bb6aa795
SHA2562301bc0d434c6ef2552e41800bda56cb4c2038d0ae5fd868bc52c19206ce18dd
SHA512721451f7127aa5eca3d3a21341ddbfa91b290524f057bf22773e5744b561241e1ce4255a67ce29193c4a936850e23e332a54b2aaacdb1a17397747e9fb99bc4b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD513d58c4f17865d7afafb618c4c82bf85
SHA1117b70c04352e7fa1263d886dbbe950cd073c87a
SHA256cea4ffa8b260c053166920d8e3c5e61b9475785af31cee216f056c527f4e2db6
SHA512dbd923bc01bf996173035508a5eb72ec8718394f95e0486d8f6016278e7ae23272a8b3eb825f0cde019ad4bc826b19050b11fe5ee4d9ce0318534942b312029c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e3533c7bd4c8b9cbd9c97009b610dd33
SHA1e44a636feeb54eb16287fb78c308fa43d2515f74
SHA256ba5db2de491675c0453a932ec9582f517d44feb45db08a511b6c15d5b75f69cd
SHA5124c077f650e3289e2135a63000b256793db2c3dfbd8d00b7f14a9cec9339f22bed13abf86d14bc8e9dd10b665fa13b126745d0ddb58a2a6de5f031502660b1734
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5eff4c2852112bf938ea7ce64116ffaa5
SHA1313559616f219e2fb1b06093b304b60f1b5b99da
SHA25658186d4a394ec3b1da0c25494ce3f9727ad0064cb71ee0bfe01d29f26c4de1a9
SHA512e63c2101b380c4c654f60e82b8ac371dd65f331f856e53c541526319bb972348c694432c9bc2c8924878bc01cb12163dad06180b5a22a2b7aa5a476d8047fa7a
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Filesize
4.2MB
MD5e4e9f1a48f7aab6c12ab3553df4195f1
SHA1cf266c0238dac9759d27a7b8d01a0d0af1f16cf8
SHA256e22e0ebd26f2afb469c55e6e235fe92705cf4a70da5debc4d041ec1aed022b53
SHA5126864cdca3a60e6f59e7121149b0255fd7c615df76f1e8ad9a92badd2454c44dac43576b59b390637a6831b22a0b5f2f0e0cbcea66e1359fb2a46b156c72ef24f