Analysis
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max time kernel
63s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
26-04-2024 23:31
Static task
static1
Behavioral task
behavioral1
Sample
947a2d91b5473ccd681113515b28c16e1b305621ce49c6bb02c0c97852f29507.exe
Resource
win10v2004-20240226-en
General
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Target
947a2d91b5473ccd681113515b28c16e1b305621ce49c6bb02c0c97852f29507.exe
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Size
4.2MB
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MD5
899925a0183043af5779f111ef50a4fc
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SHA1
d3068abc13ded3b53b77c7a2a9f48416a7d42229
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SHA256
947a2d91b5473ccd681113515b28c16e1b305621ce49c6bb02c0c97852f29507
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SHA512
dc80e02915d616eedbbfbc16927958ef64fcc309ea42e7539d156cb1545f399d5d675baf89a10f95f3e66aed5d1a527794963e971e798f208bb36c758ca1834c
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SSDEEP
98304:uNqkCei/RpwTNwvC/d0zkTzoLKVJHo/KUEsELUhP0F0Gr:uueAwA5oTznVGKlAcF
Malware Config
Signatures
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Glupteba payload 18 IoCs
Processes:
resource yara_rule behavioral1/memory/3252-2-0x0000000006480000-0x0000000006D6B000-memory.dmp family_glupteba behavioral1/memory/3252-3-0x0000000000400000-0x000000000441C000-memory.dmp family_glupteba behavioral1/memory/3252-7-0x0000000000400000-0x000000000441C000-memory.dmp family_glupteba behavioral1/memory/3252-27-0x0000000000400000-0x000000000441C000-memory.dmp family_glupteba behavioral1/memory/3252-46-0x0000000006480000-0x0000000006D6B000-memory.dmp family_glupteba behavioral1/memory/3252-57-0x0000000000400000-0x000000000441C000-memory.dmp family_glupteba behavioral1/memory/3252-58-0x0000000000400000-0x000000000441C000-memory.dmp family_glupteba behavioral1/memory/2712-99-0x0000000000400000-0x000000000441C000-memory.dmp family_glupteba behavioral1/memory/2712-160-0x0000000000400000-0x000000000441C000-memory.dmp family_glupteba behavioral1/memory/1248-174-0x0000000000400000-0x000000000441C000-memory.dmp family_glupteba behavioral1/memory/1248-214-0x0000000000400000-0x000000000441C000-memory.dmp family_glupteba behavioral1/memory/1248-226-0x0000000000400000-0x000000000441C000-memory.dmp family_glupteba behavioral1/memory/1248-237-0x0000000000400000-0x000000000441C000-memory.dmp family_glupteba behavioral1/memory/1248-240-0x0000000000400000-0x000000000441C000-memory.dmp family_glupteba behavioral1/memory/1248-245-0x0000000000400000-0x000000000441C000-memory.dmp family_glupteba behavioral1/memory/1248-247-0x0000000000400000-0x000000000441C000-memory.dmp family_glupteba behavioral1/memory/1248-253-0x0000000000400000-0x000000000441C000-memory.dmp family_glupteba behavioral1/memory/1248-255-0x0000000000400000-0x000000000441C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 4896 netsh.exe -
Executes dropped EXE 1 IoCs
Processes:
csrss.exepid process 1248 csrss.exe -
Processes:
resource yara_rule C:\Windows\windefender.exe upx behavioral1/memory/2768-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3972-231-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2768-234-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3972-238-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3972-246-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3972-250-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3972-258-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
947a2d91b5473ccd681113515b28c16e1b305621ce49c6bb02c0c97852f29507.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 947a2d91b5473ccd681113515b28c16e1b305621ce49c6bb02c0c97852f29507.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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Drops file in System32 directory 5 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exedescription 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 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.
Processes:
947a2d91b5473ccd681113515b28c16e1b305621ce49c6bb02c0c97852f29507.exedescription ioc process File opened (read-only) \??\VBoxMiniRdrDN 947a2d91b5473ccd681113515b28c16e1b305621ce49c6bb02c0c97852f29507.exe -
Drops file in Windows directory 2 IoCs
Processes:
947a2d91b5473ccd681113515b28c16e1b305621ce49c6bb02c0c97852f29507.exedescription ioc process File opened for modification C:\Windows\rss 947a2d91b5473ccd681113515b28c16e1b305621ce49c6bb02c0c97852f29507.exe File created C:\Windows\rss\csrss.exe 947a2d91b5473ccd681113515b28c16e1b305621ce49c6bb02c0c97852f29507.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
Processes:
sc.exepid process 3448 sc.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 2728 schtasks.exe 2332 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
powershell.exe947a2d91b5473ccd681113515b28c16e1b305621ce49c6bb02c0c97852f29507.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time" 947a2d91b5473ccd681113515b28c16e1b305621ce49c6bb02c0c97852f29507.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time" 947a2d91b5473ccd681113515b28c16e1b305621ce49c6bb02c0c97852f29507.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1912 = "Russia TZ 10 Standard Time" 947a2d91b5473ccd681113515b28c16e1b305621ce49c6bb02c0c97852f29507.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates 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\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time" 947a2d91b5473ccd681113515b28c16e1b305621ce49c6bb02c0c97852f29507.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-652 = "AUS Central Standard Time" 947a2d91b5473ccd681113515b28c16e1b305621ce49c6bb02c0c97852f29507.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" 947a2d91b5473ccd681113515b28c16e1b305621ce49c6bb02c0c97852f29507.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" 947a2d91b5473ccd681113515b28c16e1b305621ce49c6bb02c0c97852f29507.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time" 947a2d91b5473ccd681113515b28c16e1b305621ce49c6bb02c0c97852f29507.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\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\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time" 947a2d91b5473ccd681113515b28c16e1b305621ce49c6bb02c0c97852f29507.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time" 947a2d91b5473ccd681113515b28c16e1b305621ce49c6bb02c0c97852f29507.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time" 947a2d91b5473ccd681113515b28c16e1b305621ce49c6bb02c0c97852f29507.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" 947a2d91b5473ccd681113515b28c16e1b305621ce49c6bb02c0c97852f29507.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time" 947a2d91b5473ccd681113515b28c16e1b305621ce49c6bb02c0c97852f29507.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" 947a2d91b5473ccd681113515b28c16e1b305621ce49c6bb02c0c97852f29507.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" 947a2d91b5473ccd681113515b28c16e1b305621ce49c6bb02c0c97852f29507.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs 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\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time" 947a2d91b5473ccd681113515b28c16e1b305621ce49c6bb02c0c97852f29507.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time" 947a2d91b5473ccd681113515b28c16e1b305621ce49c6bb02c0c97852f29507.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.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\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" 947a2d91b5473ccd681113515b28c16e1b305621ce49c6bb02c0c97852f29507.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time" 947a2d91b5473ccd681113515b28c16e1b305621ce49c6bb02c0c97852f29507.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" 947a2d91b5473ccd681113515b28c16e1b305621ce49c6bb02c0c97852f29507.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time" 947a2d91b5473ccd681113515b28c16e1b305621ce49c6bb02c0c97852f29507.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time" 947a2d91b5473ccd681113515b28c16e1b305621ce49c6bb02c0c97852f29507.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.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\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time" 947a2d91b5473ccd681113515b28c16e1b305621ce49c6bb02c0c97852f29507.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\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time" 947a2d91b5473ccd681113515b28c16e1b305621ce49c6bb02c0c97852f29507.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time" 947a2d91b5473ccd681113515b28c16e1b305621ce49c6bb02c0c97852f29507.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe -
Suspicious behavior: EnumeratesProcesses 29 IoCs
Processes:
powershell.exe947a2d91b5473ccd681113515b28c16e1b305621ce49c6bb02c0c97852f29507.exepowershell.exe947a2d91b5473ccd681113515b28c16e1b305621ce49c6bb02c0c97852f29507.exepowershell.exepowershell.exepowershell.exepowershell.exepid process 4176 powershell.exe 4176 powershell.exe 3252 947a2d91b5473ccd681113515b28c16e1b305621ce49c6bb02c0c97852f29507.exe 3252 947a2d91b5473ccd681113515b28c16e1b305621ce49c6bb02c0c97852f29507.exe 4964 powershell.exe 4964 powershell.exe 4964 powershell.exe 2712 947a2d91b5473ccd681113515b28c16e1b305621ce49c6bb02c0c97852f29507.exe 2712 947a2d91b5473ccd681113515b28c16e1b305621ce49c6bb02c0c97852f29507.exe 2712 947a2d91b5473ccd681113515b28c16e1b305621ce49c6bb02c0c97852f29507.exe 2712 947a2d91b5473ccd681113515b28c16e1b305621ce49c6bb02c0c97852f29507.exe 2712 947a2d91b5473ccd681113515b28c16e1b305621ce49c6bb02c0c97852f29507.exe 2712 947a2d91b5473ccd681113515b28c16e1b305621ce49c6bb02c0c97852f29507.exe 2712 947a2d91b5473ccd681113515b28c16e1b305621ce49c6bb02c0c97852f29507.exe 2712 947a2d91b5473ccd681113515b28c16e1b305621ce49c6bb02c0c97852f29507.exe 2712 947a2d91b5473ccd681113515b28c16e1b305621ce49c6bb02c0c97852f29507.exe 2712 947a2d91b5473ccd681113515b28c16e1b305621ce49c6bb02c0c97852f29507.exe 2564 powershell.exe 2564 powershell.exe 2564 powershell.exe 4152 powershell.exe 4152 powershell.exe 4152 powershell.exe 4788 powershell.exe 4788 powershell.exe 4788 powershell.exe 1088 powershell.exe 1088 powershell.exe 1088 powershell.exe -
Suspicious use of AdjustPrivilegeToken 8 IoCs
Processes:
powershell.exe947a2d91b5473ccd681113515b28c16e1b305621ce49c6bb02c0c97852f29507.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription pid process Token: SeDebugPrivilege 4176 powershell.exe Token: SeDebugPrivilege 3252 947a2d91b5473ccd681113515b28c16e1b305621ce49c6bb02c0c97852f29507.exe Token: SeImpersonatePrivilege 3252 947a2d91b5473ccd681113515b28c16e1b305621ce49c6bb02c0c97852f29507.exe Token: SeDebugPrivilege 4964 powershell.exe Token: SeDebugPrivilege 2564 powershell.exe Token: SeDebugPrivilege 4152 powershell.exe Token: SeDebugPrivilege 4788 powershell.exe Token: SeDebugPrivilege 1088 powershell.exe -
Suspicious use of WriteProcessMemory 25 IoCs
Processes:
947a2d91b5473ccd681113515b28c16e1b305621ce49c6bb02c0c97852f29507.exe947a2d91b5473ccd681113515b28c16e1b305621ce49c6bb02c0c97852f29507.execmd.execsrss.exedescription pid process target process PID 3252 wrote to memory of 4176 3252 947a2d91b5473ccd681113515b28c16e1b305621ce49c6bb02c0c97852f29507.exe powershell.exe PID 3252 wrote to memory of 4176 3252 947a2d91b5473ccd681113515b28c16e1b305621ce49c6bb02c0c97852f29507.exe powershell.exe PID 3252 wrote to memory of 4176 3252 947a2d91b5473ccd681113515b28c16e1b305621ce49c6bb02c0c97852f29507.exe powershell.exe PID 2712 wrote to memory of 4964 2712 947a2d91b5473ccd681113515b28c16e1b305621ce49c6bb02c0c97852f29507.exe powershell.exe PID 2712 wrote to memory of 4964 2712 947a2d91b5473ccd681113515b28c16e1b305621ce49c6bb02c0c97852f29507.exe powershell.exe PID 2712 wrote to memory of 4964 2712 947a2d91b5473ccd681113515b28c16e1b305621ce49c6bb02c0c97852f29507.exe powershell.exe PID 2712 wrote to memory of 1528 2712 947a2d91b5473ccd681113515b28c16e1b305621ce49c6bb02c0c97852f29507.exe cmd.exe PID 2712 wrote to memory of 1528 2712 947a2d91b5473ccd681113515b28c16e1b305621ce49c6bb02c0c97852f29507.exe cmd.exe PID 1528 wrote to memory of 4896 1528 cmd.exe netsh.exe PID 1528 wrote to memory of 4896 1528 cmd.exe netsh.exe PID 2712 wrote to memory of 2564 2712 947a2d91b5473ccd681113515b28c16e1b305621ce49c6bb02c0c97852f29507.exe powershell.exe PID 2712 wrote to memory of 2564 2712 947a2d91b5473ccd681113515b28c16e1b305621ce49c6bb02c0c97852f29507.exe powershell.exe PID 2712 wrote to memory of 2564 2712 947a2d91b5473ccd681113515b28c16e1b305621ce49c6bb02c0c97852f29507.exe powershell.exe PID 2712 wrote to memory of 4152 2712 947a2d91b5473ccd681113515b28c16e1b305621ce49c6bb02c0c97852f29507.exe powershell.exe PID 2712 wrote to memory of 4152 2712 947a2d91b5473ccd681113515b28c16e1b305621ce49c6bb02c0c97852f29507.exe powershell.exe PID 2712 wrote to memory of 4152 2712 947a2d91b5473ccd681113515b28c16e1b305621ce49c6bb02c0c97852f29507.exe powershell.exe PID 2712 wrote to memory of 1248 2712 947a2d91b5473ccd681113515b28c16e1b305621ce49c6bb02c0c97852f29507.exe csrss.exe PID 2712 wrote to memory of 1248 2712 947a2d91b5473ccd681113515b28c16e1b305621ce49c6bb02c0c97852f29507.exe csrss.exe PID 2712 wrote to memory of 1248 2712 947a2d91b5473ccd681113515b28c16e1b305621ce49c6bb02c0c97852f29507.exe csrss.exe PID 1248 wrote to memory of 4788 1248 csrss.exe Conhost.exe PID 1248 wrote to memory of 4788 1248 csrss.exe Conhost.exe PID 1248 wrote to memory of 4788 1248 csrss.exe Conhost.exe PID 1248 wrote to memory of 1088 1248 csrss.exe powershell.exe PID 1248 wrote to memory of 1088 1248 csrss.exe powershell.exe PID 1248 wrote to memory of 1088 1248 csrss.exe powershell.exe -
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\947a2d91b5473ccd681113515b28c16e1b305621ce49c6bb02c0c97852f29507.exe"C:\Users\Admin\AppData\Local\Temp\947a2d91b5473ccd681113515b28c16e1b305621ce49c6bb02c0c97852f29507.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\947a2d91b5473ccd681113515b28c16e1b305621ce49c6bb02c0c97852f29507.exe"C:\Users\Admin\AppData\Local\Temp\947a2d91b5473ccd681113515b28c16e1b305621ce49c6bb02c0c97852f29507.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
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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
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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
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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
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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
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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
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C:\Windows\rss\csrss.exeC:\Windows\rss\csrss.exe3⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
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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
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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)
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
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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⤵
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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)
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
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C:\Windows\System32\Conhost.exe\??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV15⤵
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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⤵
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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
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4048 --field-trial-handle=3060,i,1774866140584649235,8085848018931772189,262144 --variations-seed-version /prefetch:81⤵
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
Network
MITRE ATT&CK Matrix ATT&CK v13
Persistence
Create or Modify System Process
1Windows Service
1Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Privilege Escalation
Create or Modify System Process
1Windows Service
1Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_4nq1wb5k.12z.ps1Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exeFilesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.logFilesize
2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-InteractiveFilesize
19KB
MD5962dd1295356f7d66e27d5ed870562a7
SHA1db881e81212f74748e87a7f25f45c991c625843c
SHA256bacf1952ef01d3a1de6f5df495c6255b6a916fc9672f634bb1f3562f0a51a5cd
SHA5125a0c9daa8a981385ecacc8188249c172563f974843e844d04d88869c1bbf01d097b16427be862e131e59ff8fa164fe80d2703494f1daa47ab87144ec5ab0233b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-InteractiveFilesize
19KB
MD541fe12c5ff951953bb4445f78dbbf2f8
SHA1a2a3fc84560915cc85672ba683dbf5a88acf225a
SHA256c4d297a9280423159ae8dd323ad6dac6dd30124ba373405ac7b8c5364ee837ba
SHA5121c43db80a886b8f84c676e370ef21fa62570bec0caa1c6228940beb1a4e7e27f0fef75db16df9fbab1603f28621381e2c82574b915fd0ec0a925a337e3123479
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-InteractiveFilesize
19KB
MD57088f8fc887aa4cf930857e1fb59863f
SHA12169456a216063199daed96ce3253c96a925736d
SHA256c9c60ee8fd046815e8ad8a419ffc745f911b5ade91fd5228b3fd126662271595
SHA51204c37f53bb64641c65749d145f247b88577dd095eaf8ab055a1face947066ce9e168caf2d7d85898c64a593d9861fa816cce91e515fb6ff011497c3050a28110
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-InteractiveFilesize
19KB
MD5eabf757fc1ce256b3530fc26e1abf326
SHA1b90ebb87a7cf91c661ad380439e0f1d77ef881db
SHA256451e1298aac39850bf3aee135689aa6f91ee3406854636bf54ea487aa91303b5
SHA5125d3bb1f4578d06cf93b5ef95cb2a557f9b5ddbdf1eeecbaca87738ff8fd404629eba4ba1f77d55d43b7f96fa90db3a456854ace978e98b2d1a0c1374af25b1a8
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-InteractiveFilesize
19KB
MD5fae1710f7f68dfe1ca266f441bd239bf
SHA1d334594f7cb4cfe43dadee0d5415834b44163997
SHA2566c7bb676fecdbccdbb661573be198e8bf3c80ae0393982807408404e04372fc2
SHA5120606b1261afc6d45d03204c6130604a2db249a7d1c98e29dfa5fcebe0be48e00b4ad2e39b038810790011d4b3867a21baa614205ba2f60eaeddcecc8aacbc431
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C:\Windows\rss\csrss.exeFilesize
4.2MB
MD5899925a0183043af5779f111ef50a4fc
SHA1d3068abc13ded3b53b77c7a2a9f48416a7d42229
SHA256947a2d91b5473ccd681113515b28c16e1b305621ce49c6bb02c0c97852f29507
SHA512dc80e02915d616eedbbfbc16927958ef64fcc309ea42e7539d156cb1545f399d5d675baf89a10f95f3e66aed5d1a527794963e971e798f208bb36c758ca1834c
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C:\Windows\windefender.exeFilesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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memory/1088-175-0x0000000070710000-0x000000007075C000-memory.dmpFilesize
304KB
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memory/1088-176-0x0000000070890000-0x0000000070BE4000-memory.dmpFilesize
3.3MB
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memory/1088-171-0x00000000059B0000-0x0000000005D04000-memory.dmpFilesize
3.3MB
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memory/1088-188-0x0000000005840000-0x0000000005854000-memory.dmpFilesize
80KB
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memory/1088-187-0x00000000073E0000-0x00000000073F1000-memory.dmpFilesize
68KB
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memory/1088-173-0x00000000061F0000-0x000000000623C000-memory.dmpFilesize
304KB
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memory/1088-186-0x0000000007080000-0x0000000007123000-memory.dmpFilesize
652KB
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memory/1248-214-0x0000000000400000-0x000000000441C000-memory.dmpFilesize
64.1MB
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memory/1248-237-0x0000000000400000-0x000000000441C000-memory.dmpFilesize
64.1MB
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memory/1248-174-0x0000000000400000-0x000000000441C000-memory.dmpFilesize
64.1MB
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memory/1248-240-0x0000000000400000-0x000000000441C000-memory.dmpFilesize
64.1MB
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memory/1248-226-0x0000000000400000-0x000000000441C000-memory.dmpFilesize
64.1MB
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memory/1248-245-0x0000000000400000-0x000000000441C000-memory.dmpFilesize
64.1MB
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memory/1248-247-0x0000000000400000-0x000000000441C000-memory.dmpFilesize
64.1MB
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memory/1248-253-0x0000000000400000-0x000000000441C000-memory.dmpFilesize
64.1MB
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memory/1248-255-0x0000000000400000-0x000000000441C000-memory.dmpFilesize
64.1MB
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memory/2564-86-0x00000000054D0000-0x0000000005824000-memory.dmpFilesize
3.3MB
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memory/2564-100-0x0000000070F70000-0x00000000712C4000-memory.dmpFilesize
3.3MB
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memory/2564-98-0x00000000707F0000-0x000000007083C000-memory.dmpFilesize
304KB
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memory/2712-160-0x0000000000400000-0x000000000441C000-memory.dmpFilesize
64.1MB
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memory/2712-99-0x0000000000400000-0x000000000441C000-memory.dmpFilesize
64.1MB
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memory/2768-228-0x0000000000400000-0x00000000008DF000-memory.dmpFilesize
4.9MB
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memory/2768-234-0x0000000000400000-0x00000000008DF000-memory.dmpFilesize
4.9MB
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memory/2964-199-0x0000000006150000-0x00000000064A4000-memory.dmpFilesize
3.3MB
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memory/2964-203-0x0000000070710000-0x000000007075C000-memory.dmpFilesize
304KB
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memory/2964-204-0x0000000070EC0000-0x0000000071214000-memory.dmpFilesize
3.3MB
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memory/3252-1-0x00000000047E0000-0x0000000004BDB000-memory.dmpFilesize
4.0MB
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memory/3252-27-0x0000000000400000-0x000000000441C000-memory.dmpFilesize
64.1MB
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memory/3252-46-0x0000000006480000-0x0000000006D6B000-memory.dmpFilesize
8.9MB
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memory/3252-57-0x0000000000400000-0x000000000441C000-memory.dmpFilesize
64.1MB
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memory/3252-7-0x0000000000400000-0x000000000441C000-memory.dmpFilesize
64.1MB
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memory/3252-45-0x00000000047E0000-0x0000000004BDB000-memory.dmpFilesize
4.0MB
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memory/3252-2-0x0000000006480000-0x0000000006D6B000-memory.dmpFilesize
8.9MB
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memory/3252-3-0x0000000000400000-0x000000000441C000-memory.dmpFilesize
64.1MB
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memory/3252-58-0x0000000000400000-0x000000000441C000-memory.dmpFilesize
64.1MB
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memory/3972-250-0x0000000000400000-0x00000000008DF000-memory.dmpFilesize
4.9MB
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memory/3972-246-0x0000000000400000-0x00000000008DF000-memory.dmpFilesize
4.9MB
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memory/3972-238-0x0000000000400000-0x00000000008DF000-memory.dmpFilesize
4.9MB
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memory/3972-258-0x0000000000400000-0x00000000008DF000-memory.dmpFilesize
4.9MB
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memory/3972-231-0x0000000000400000-0x00000000008DF000-memory.dmpFilesize
4.9MB
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memory/4152-122-0x0000000070F90000-0x00000000712E4000-memory.dmpFilesize
3.3MB
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memory/4152-121-0x00000000707F0000-0x000000007083C000-memory.dmpFilesize
304KB
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memory/4176-11-0x0000000005B50000-0x0000000005BB6000-memory.dmpFilesize
408KB
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memory/4176-55-0x0000000074950000-0x0000000075100000-memory.dmpFilesize
7.7MB
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memory/4176-30-0x00000000078F0000-0x0000000007922000-memory.dmpFilesize
200KB
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memory/4176-47-0x00000000081E0000-0x0000000008276000-memory.dmpFilesize
600KB
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memory/4176-48-0x0000000007A50000-0x0000000007A61000-memory.dmpFilesize
68KB
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memory/4176-42-0x00000000078D0000-0x00000000078EE000-memory.dmpFilesize
120KB
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memory/4176-31-0x00000000707F0000-0x000000007083C000-memory.dmpFilesize
304KB
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memory/4176-29-0x0000000007520000-0x000000000753A000-memory.dmpFilesize
104KB
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memory/4176-43-0x0000000007930000-0x00000000079D3000-memory.dmpFilesize
652KB
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memory/4176-28-0x0000000007B60000-0x00000000081DA000-memory.dmpFilesize
6.5MB
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memory/4176-26-0x0000000007400000-0x0000000007476000-memory.dmpFilesize
472KB
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memory/4176-25-0x00000000068A0000-0x00000000068E4000-memory.dmpFilesize
272KB
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memory/4176-24-0x00000000063A0000-0x00000000063EC000-memory.dmpFilesize
304KB
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memory/4176-23-0x00000000050F0000-0x000000000510E000-memory.dmpFilesize
120KB
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memory/4176-22-0x0000000005D20000-0x0000000006074000-memory.dmpFilesize
3.3MB
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memory/4176-44-0x0000000007A10000-0x0000000007A1A000-memory.dmpFilesize
40KB
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memory/4176-12-0x0000000005BC0000-0x0000000005C26000-memory.dmpFilesize
408KB
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memory/4176-49-0x0000000007A90000-0x0000000007A9E000-memory.dmpFilesize
56KB
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memory/4176-50-0x0000000007AA0000-0x0000000007AB4000-memory.dmpFilesize
80KB
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memory/4176-4-0x0000000004D80000-0x0000000004DB6000-memory.dmpFilesize
216KB
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memory/4176-10-0x0000000005360000-0x0000000005382000-memory.dmpFilesize
136KB
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memory/4176-5-0x0000000074950000-0x0000000075100000-memory.dmpFilesize
7.7MB
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memory/4176-51-0x0000000007AE0000-0x0000000007AFA000-memory.dmpFilesize
104KB
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memory/4176-9-0x0000000004E70000-0x0000000004E80000-memory.dmpFilesize
64KB
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memory/4176-6-0x0000000004E70000-0x0000000004E80000-memory.dmpFilesize
64KB
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memory/4176-32-0x0000000070F30000-0x0000000071284000-memory.dmpFilesize
3.3MB
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memory/4176-52-0x0000000007AD0000-0x0000000007AD8000-memory.dmpFilesize
32KB
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memory/4176-8-0x00000000054B0000-0x0000000005AD8000-memory.dmpFilesize
6.2MB
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memory/4788-150-0x0000000070F70000-0x00000000712C4000-memory.dmpFilesize
3.3MB
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memory/4788-149-0x00000000707F0000-0x000000007083C000-memory.dmpFilesize
304KB
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memory/4964-60-0x0000000005490000-0x00000000057E4000-memory.dmpFilesize
3.3MB
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memory/4964-70-0x0000000070F90000-0x00000000712E4000-memory.dmpFilesize
3.3MB
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memory/4964-69-0x00000000707F0000-0x000000007083C000-memory.dmpFilesize
304KB
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memory/4964-80-0x0000000006CC0000-0x0000000006D63000-memory.dmpFilesize
652KB
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memory/4964-81-0x0000000006FE0000-0x0000000006FF1000-memory.dmpFilesize
68KB
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memory/4964-82-0x0000000007030000-0x0000000007044000-memory.dmpFilesize
80KB