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Analysis
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max time kernel
149s -
max time network
126s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
18/05/2024, 13:23
Static task
static1
Behavioral task
behavioral1
Sample
cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exe
Resource
win7-20240419-en
General
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Target
cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exe
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Size
4.1MB
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MD5
27d8dc29c2a83a9ddffc9d2f9adc0ee7
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SHA1
c85fd10546791b19e8849f9e1c23a45b35474640
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SHA256
cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5
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SHA512
75690c5a129f2d9b640ac26a53636ea378275f98d39362d8e60beef63e7765873b2f6905c6ca59a913ebfe41e3a7d71ec20b309f382e847a455b55f8e08432da
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SSDEEP
98304:MxfL9oyIkrku4AJMBJNRxIbk0RddEjk9Pc8cg301s2mGvS:6RrVrv4XbNRWhj2o9k8f3CspGvS
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/4740-2-0x0000000004C70000-0x000000000555B000-memory.dmp family_glupteba behavioral2/memory/4740-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4740-57-0x0000000004C70000-0x000000000555B000-memory.dmp family_glupteba behavioral2/memory/4740-56-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4740-54-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1560-134-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4380-219-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4380-228-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4380-229-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4380-231-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4380-234-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4380-236-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4380-238-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4380-239-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4380-242-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4380-244-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4380-246-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4380-247-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4380-249-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3840 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4380 csrss.exe 2928 injector.exe 2932 windefender.exe 960 windefender.exe -
resource yara_rule behavioral2/files/0x0008000000023406-222.dat upx behavioral2/memory/2932-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/960-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2932-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/960-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/960-233-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exe Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\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 created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe 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 cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exe File created C:\Windows\rss\csrss.exe cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 2584 sc.exe -
pid Process 1016 powershell.exe 4844 powershell.exe 3064 powershell.exe 4660 powershell.exe 4412 powershell.exe 3068 powershell.exe 5028 powershell.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3868 schtasks.exe 4268 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2411 = "Marquesas Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time" cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time" cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates 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\2a\52C64B7E\@tzres.dll,-662 = "Cen. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time" cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1862 = "Russia TZ 6 Standard Time" cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-391 = "Arab Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2631 = "Norfolk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-41 = "E. South America Daylight Time" cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time" cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time" cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2592 = "Tocantins Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time" cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-142 = "Canada Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2452 = "Saint Pierre Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time" cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2752 = "Tomsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time" cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time" cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time" cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time" cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-671 = "AUS Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-272 = "Greenwich Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2342 = "Haiti Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2872 = "Magallanes Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time" cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-931 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3141 = "South Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)" cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time" cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time" cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-221 = "Alaskan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1021 = "Bangladesh Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-791 = "SA Western Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-161 = "Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time" cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time" cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-172 = "Central Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time" cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-891 = "Morocco Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4412 powershell.exe 4412 powershell.exe 4740 cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exe 4740 cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exe 3068 powershell.exe 3068 powershell.exe 1560 cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exe 1560 cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exe 1560 cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exe 1560 cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exe 1560 cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exe 1560 cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exe 1560 cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exe 1560 cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exe 1560 cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exe 1560 cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exe 5028 powershell.exe 5028 powershell.exe 1016 powershell.exe 1016 powershell.exe 4844 powershell.exe 4844 powershell.exe 3064 powershell.exe 3064 powershell.exe 4660 powershell.exe 4660 powershell.exe 2928 injector.exe 2928 injector.exe 2928 injector.exe 2928 injector.exe 2928 injector.exe 2928 injector.exe 4380 csrss.exe 4380 csrss.exe 2928 injector.exe 2928 injector.exe 2928 injector.exe 2928 injector.exe 2928 injector.exe 2928 injector.exe 4380 csrss.exe 4380 csrss.exe 2928 injector.exe 2928 injector.exe 4380 csrss.exe 4380 csrss.exe 2928 injector.exe 2928 injector.exe 2928 injector.exe 2928 injector.exe 2928 injector.exe 2928 injector.exe 2928 injector.exe 2928 injector.exe 2928 injector.exe 2928 injector.exe 2928 injector.exe 2928 injector.exe 2928 injector.exe 2928 injector.exe 2928 injector.exe 2928 injector.exe 2928 injector.exe 2928 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4412 powershell.exe Token: SeDebugPrivilege 4740 cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exe Token: SeImpersonatePrivilege 4740 cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exe Token: SeDebugPrivilege 3068 powershell.exe Token: SeDebugPrivilege 5028 powershell.exe Token: SeDebugPrivilege 1016 powershell.exe Token: SeDebugPrivilege 4844 powershell.exe Token: SeDebugPrivilege 3064 powershell.exe Token: SeDebugPrivilege 4660 powershell.exe Token: SeSystemEnvironmentPrivilege 4380 csrss.exe Token: SeSecurityPrivilege 2584 sc.exe Token: SeSecurityPrivilege 2584 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4740 wrote to memory of 4412 4740 cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exe 83 PID 4740 wrote to memory of 4412 4740 cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exe 83 PID 4740 wrote to memory of 4412 4740 cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exe 83 PID 1560 wrote to memory of 3068 1560 cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exe 92 PID 1560 wrote to memory of 3068 1560 cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exe 92 PID 1560 wrote to memory of 3068 1560 cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exe 92 PID 1560 wrote to memory of 2184 1560 cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exe 95 PID 1560 wrote to memory of 2184 1560 cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exe 95 PID 2184 wrote to memory of 3840 2184 cmd.exe 97 PID 2184 wrote to memory of 3840 2184 cmd.exe 97 PID 1560 wrote to memory of 5028 1560 cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exe 98 PID 1560 wrote to memory of 5028 1560 cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exe 98 PID 1560 wrote to memory of 5028 1560 cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exe 98 PID 1560 wrote to memory of 1016 1560 cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exe 100 PID 1560 wrote to memory of 1016 1560 cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exe 100 PID 1560 wrote to memory of 1016 1560 cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exe 100 PID 1560 wrote to memory of 4380 1560 cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exe 102 PID 1560 wrote to memory of 4380 1560 cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exe 102 PID 1560 wrote to memory of 4380 1560 cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exe 102 PID 4380 wrote to memory of 4844 4380 csrss.exe 103 PID 4380 wrote to memory of 4844 4380 csrss.exe 103 PID 4380 wrote to memory of 4844 4380 csrss.exe 103 PID 4380 wrote to memory of 3064 4380 csrss.exe 109 PID 4380 wrote to memory of 3064 4380 csrss.exe 109 PID 4380 wrote to memory of 3064 4380 csrss.exe 109 PID 4380 wrote to memory of 4660 4380 csrss.exe 111 PID 4380 wrote to memory of 4660 4380 csrss.exe 111 PID 4380 wrote to memory of 4660 4380 csrss.exe 111 PID 4380 wrote to memory of 2928 4380 csrss.exe 113 PID 4380 wrote to memory of 2928 4380 csrss.exe 113 PID 2932 wrote to memory of 3764 2932 windefender.exe 120 PID 2932 wrote to memory of 3764 2932 windefender.exe 120 PID 2932 wrote to memory of 3764 2932 windefender.exe 120 PID 3764 wrote to memory of 2584 3764 cmd.exe 121 PID 3764 wrote to memory of 2584 3764 cmd.exe 121 PID 3764 wrote to memory of 2584 3764 cmd.exe 121 -
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\cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exe"C:\Users\Admin\AppData\Local\Temp\cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4740 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4412
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C:\Users\Admin\AppData\Local\Temp\cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exe"C:\Users\Admin\AppData\Local\Temp\cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.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:1560 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3068
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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:2184 -
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:3840
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5028
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1016
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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:4380 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4844
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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:3868
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2776
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3064
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4660
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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:2928
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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:4268
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2932 -
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:3764 -
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:2584
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:960
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
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5edde699653d4a8f2e97bf9b478236c6f
SHA11c16be7379efd741fc0990731a01a1a48416d896
SHA256688bcf693ec80ab358ed33cb366e972b92763d3ef9cf3b951ae7c6162b80e1a2
SHA51281fea70ab8922b21b1d150b193c5ec84d261950c9e749afdfc6aa81437380a9e0a92619c3bb636eb0e9fb877a9c4d241c66fae2cd2b133cecac6796c6ec0fe23
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53a0af4beaea04f13c160dbc4ee6c84b7
SHA1f6b216ac35dca101f0e8c096e077644554d59f70
SHA25674d718a8d8fba0e2532b7e503dd57f0d4730d59607b8280ffeffe63eb3ece4c3
SHA512c9fffb504440297c9d0996201b41f9fc4bdc0b31f438badb4231698a185cba5321d10aa6d498fc0a429e3ae4b646c4a1a77ea85b8750cdd3aaeaa7f51a1af04a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a4d338cb641b91bec873b34d3ed5c631
SHA10b127efdf7246c325b0d2953187bf7f6a477c3f7
SHA25613f00502b787cd93e091c3a84bb2bf9c3be50387d08adfb5b1f72dad518c9b13
SHA51261d7728bc553b2a095e6cdcdbb3372d7251062a89fe640a31610310f251dd83a989c9f9a68476e5eed8a3b3dbf318655107300da20e54241ec36d59468fe8398
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53b39015f804463066129255e35d31b53
SHA12643a953279d800b6e181ee6d8ab014b6dafaa66
SHA25654d941dd3139808359688e27a5f4f1c34e549942e25bd3f02769c2cfe564def0
SHA51298b35ee95f7e76b48212f32ce4dfd01fa43edcf547690a4fec89b0f7bc3b93e40408a1a0c7c0f19189ae42ec0d44b94ddf7dc3d68e4bbd03d2e1ef4510ea61da
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d11810729422118e47b416b7414a46bd
SHA1f3ae72e36051c518685ef1b6890b36d53ea3d046
SHA256854e5da490351811fc24783d483149dc6b02e3df3138c0ebaafafb9eef98c181
SHA51277aa328924f09fd89e20882cc3389a05c61a6f3913c39d5b410d7e98d0ded7285014570d80264f44612349b562e948a1ce51ffe818caae3a1c726baa03d5234a
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Filesize
4.1MB
MD527d8dc29c2a83a9ddffc9d2f9adc0ee7
SHA1c85fd10546791b19e8849f9e1c23a45b35474640
SHA256cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5
SHA51275690c5a129f2d9b640ac26a53636ea378275f98d39362d8e60beef63e7765873b2f6905c6ca59a913ebfe41e3a7d71ec20b309f382e847a455b55f8e08432da
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec