Analysis
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max time kernel
149s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
09/05/2024, 19:27
Static task
static1
Behavioral task
behavioral1
Sample
a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.exe
Resource
win10v2004-20240508-en
General
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Target
a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.exe
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Size
4.1MB
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MD5
09eae2db0bceb4528afae90f67ba1b21
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SHA1
c63ca12499696b116f9757c85a94fc573b1010b3
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SHA256
a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49
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SHA512
604d799acf5af8879a0a7552b2af8b1e6e2a0e94169632a067bbc0c0301d9185995be2713b49c220cf6187210f7f65f75158ba6be7215dd66da9e94606823050
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SSDEEP
98304:FwBco1salv4p8AdbboIKOJLJ1nO5Zld79mTpp:FwqoWyv4yANjKQa7of
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral1/memory/4268-2-0x0000000005030000-0x000000000591B000-memory.dmp family_glupteba behavioral1/memory/4268-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4268-28-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral1/memory/4268-58-0x0000000005030000-0x000000000591B000-memory.dmp family_glupteba behavioral1/memory/4268-56-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral1/memory/4268-98-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1552-97-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral1/memory/1552-140-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral1/memory/2872-216-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral1/memory/2872-231-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral1/memory/2872-234-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral1/memory/2872-236-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral1/memory/2872-239-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral1/memory/2872-242-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral1/memory/2872-245-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral1/memory/2872-249-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral1/memory/2872-251-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral1/memory/2872-254-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2388 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2872 csrss.exe 4704 injector.exe 3252 windefender.exe 3804 windefender.exe -
resource yara_rule behavioral1/files/0x00080000000233e4-224.dat upx behavioral1/memory/3252-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3252-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3804-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3804-233-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3804-240-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.exe Set value (str) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\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 created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.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 a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.exe File created C:\Windows\rss\csrss.exe a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 1188 sc.exe -
pid Process 3964 powershell.exe 2828 powershell.exe 3252 powershell.exe 4272 powershell.exe 5108 powershell.exe 3240 powershell.exe 1196 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 5096 schtasks.exe 2136 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\@tzres.dll,-151 = "Central America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time" a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-82 = "Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-741 = "New Zealand Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-72 = "Newfoundland Standard Time" windefender.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\@tzres.dll,-281 = "Central Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA 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\@tzres.dll,-2872 = "Magallanes Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-215 = "Pacific Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-602 = "Taipei Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time" a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 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,-602 = "Taipei Standard Time" a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time" a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA 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\@tzres.dll,-842 = "Argentina Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-141 = "Canada Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-371 = "Jerusalem Daylight Time" windefender.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" a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time" a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2841 = "Saratov Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-191 = "Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time" a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time" a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1842 = "Russia TZ 4 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2142 = "Transbaikal Standard Time" windefender.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\@tzres.dll,-372 = "Jerusalem Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-661 = "Cen. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2321 = "Sakhalin Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3142 = "South Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time" a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time" a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs 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\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-302 = "Romance 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,-332 = "E. Europe Standard Time" a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3964 powershell.exe 3964 powershell.exe 4268 a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.exe 4268 a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.exe 2828 powershell.exe 2828 powershell.exe 1552 a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.exe 1552 a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.exe 1552 a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.exe 1552 a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.exe 1552 a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.exe 1552 a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.exe 1552 a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.exe 1552 a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.exe 1552 a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.exe 1552 a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.exe 3252 powershell.exe 3252 powershell.exe 4272 powershell.exe 4272 powershell.exe 5108 powershell.exe 5108 powershell.exe 3240 powershell.exe 3240 powershell.exe 1196 powershell.exe 1196 powershell.exe 4704 injector.exe 4704 injector.exe 4704 injector.exe 4704 injector.exe 4704 injector.exe 4704 injector.exe 2872 csrss.exe 2872 csrss.exe 4704 injector.exe 4704 injector.exe 4704 injector.exe 4704 injector.exe 4704 injector.exe 4704 injector.exe 2872 csrss.exe 2872 csrss.exe 4704 injector.exe 4704 injector.exe 2872 csrss.exe 2872 csrss.exe 4704 injector.exe 4704 injector.exe 4704 injector.exe 4704 injector.exe 4704 injector.exe 4704 injector.exe 4704 injector.exe 4704 injector.exe 4704 injector.exe 4704 injector.exe 4704 injector.exe 4704 injector.exe 4704 injector.exe 4704 injector.exe 4704 injector.exe 4704 injector.exe 4704 injector.exe 4704 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3964 powershell.exe Token: SeDebugPrivilege 4268 a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.exe Token: SeImpersonatePrivilege 4268 a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.exe Token: SeDebugPrivilege 2828 powershell.exe Token: SeDebugPrivilege 3252 powershell.exe Token: SeDebugPrivilege 4272 powershell.exe Token: SeDebugPrivilege 5108 powershell.exe Token: SeDebugPrivilege 3240 powershell.exe Token: SeDebugPrivilege 1196 powershell.exe Token: SeSystemEnvironmentPrivilege 2872 csrss.exe Token: SeSecurityPrivilege 1188 sc.exe Token: SeSecurityPrivilege 1188 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4268 wrote to memory of 3964 4268 a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.exe 87 PID 4268 wrote to memory of 3964 4268 a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.exe 87 PID 4268 wrote to memory of 3964 4268 a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.exe 87 PID 1552 wrote to memory of 2828 1552 a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.exe 92 PID 1552 wrote to memory of 2828 1552 a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.exe 92 PID 1552 wrote to memory of 2828 1552 a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.exe 92 PID 1552 wrote to memory of 1380 1552 a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.exe 94 PID 1552 wrote to memory of 1380 1552 a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.exe 94 PID 1380 wrote to memory of 2388 1380 cmd.exe 96 PID 1380 wrote to memory of 2388 1380 cmd.exe 96 PID 1552 wrote to memory of 3252 1552 a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.exe 97 PID 1552 wrote to memory of 3252 1552 a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.exe 97 PID 1552 wrote to memory of 3252 1552 a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.exe 97 PID 1552 wrote to memory of 4272 1552 a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.exe 99 PID 1552 wrote to memory of 4272 1552 a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.exe 99 PID 1552 wrote to memory of 4272 1552 a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.exe 99 PID 1552 wrote to memory of 2872 1552 a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.exe 102 PID 1552 wrote to memory of 2872 1552 a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.exe 102 PID 1552 wrote to memory of 2872 1552 a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.exe 102 PID 2872 wrote to memory of 5108 2872 csrss.exe 104 PID 2872 wrote to memory of 5108 2872 csrss.exe 104 PID 2872 wrote to memory of 5108 2872 csrss.exe 104 PID 2872 wrote to memory of 3240 2872 csrss.exe 110 PID 2872 wrote to memory of 3240 2872 csrss.exe 110 PID 2872 wrote to memory of 3240 2872 csrss.exe 110 PID 2872 wrote to memory of 1196 2872 csrss.exe 112 PID 2872 wrote to memory of 1196 2872 csrss.exe 112 PID 2872 wrote to memory of 1196 2872 csrss.exe 112 PID 2872 wrote to memory of 4704 2872 csrss.exe 114 PID 2872 wrote to memory of 4704 2872 csrss.exe 114 PID 3252 wrote to memory of 1640 3252 windefender.exe 120 PID 3252 wrote to memory of 1640 3252 windefender.exe 120 PID 3252 wrote to memory of 1640 3252 windefender.exe 120 PID 1640 wrote to memory of 1188 1640 cmd.exe 121 PID 1640 wrote to memory of 1188 1640 cmd.exe 121 PID 1640 wrote to memory of 1188 1640 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\a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.exe"C:\Users\Admin\AppData\Local\Temp\a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4268 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3964
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C:\Users\Admin\AppData\Local\Temp\a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.exe"C:\Users\Admin\AppData\Local\Temp\a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.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:1552 -
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:2828
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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:1380 -
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:2388
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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:3252
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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:4272
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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:2872 -
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:5108
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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:2136
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2364
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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:3240
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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:1196
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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:4704
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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:5096
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3252 -
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:1640 -
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:1188
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3804
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
MD542e579c96d3a11e917bdcda3ff8f6b62
SHA14ba13aa45f961608306f51596c3bdd433f99106a
SHA2565418447fafa0dbf9e2911bb09afcfa4fcace95147b1b97d0adfaf5a60c32327a
SHA512656d121535dd2990de6e2274fa61cd24c0aa2d8ac0a41666525595ddfe603132a69553fec0d98cdbbd62492d72f1be67015e17fae345fbe7184aba336c77595c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58413b7fd1e599bec87309d38ef29a84e
SHA14452bcf6e28465b2af01496091345233bf79d38b
SHA256e07b893fec74bdf5118a44f04dba43c00ec628de49fc6ea6615b1d8144860c23
SHA51231ec8a65db16a35fa1094bd02076674ac3a836b8b9aa83d741942e977e7145e3159934b5adf3557e8fc7a56e8fb7d284a3e93ab14b6a4f9b2c9d38f391d1f3ff
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e72dc182bb9059f796914bcb1c9c9238
SHA1acc629782e8182ab57b5742ace4651364238e766
SHA256a37568ddf4dff60c6fcb844a6718716948f4e66b79de012385fd64c6dd3eafe3
SHA512980e846373ecb23e1f3e214f71296d2bc156f694fe963edab2446b0bcb7f58a2cb5d32cc4afe93508edc484dda78e8f2c7e367ad0957107c8a6287bae9cf9497
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b269a66f6a91a9f29895d73bf02cdd58
SHA1931c7feece14685e511df1a0b8c375be218333bb
SHA256e1fbf07a65f6abe8b4f2dcb9d9ebdd506007fa512c3d72a21137d66bbf45b7c1
SHA51239de5c4fa0c72956d99bc45edceac1dbb5d13dae20bf616e21ff1f6fa8afc8cba06e85abc3c077e6b129740e8da606467d7e1b11e7b3baac74a3bd1741e6e7ba
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59ecdeb00e172afddf16a3b20a5bc70b2
SHA13587c43978e762bb582d74ec001b62c02c031bcc
SHA25654376fee87a5b4e84a105a8cef53e854e14b570d09d1aabe5a2ab1d5388fb6eb
SHA51220390216b5f65a8cb81c4fc900c90b112ab503c678d0da39f6259c9a6da8e3115e45004524506ab6344c162da091f6cd6ce77e1d374be3feb03adae1d0f094fb
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Filesize
4.1MB
MD509eae2db0bceb4528afae90f67ba1b21
SHA1c63ca12499696b116f9757c85a94fc573b1010b3
SHA256a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49
SHA512604d799acf5af8879a0a7552b2af8b1e6e2a0e94169632a067bbc0c0301d9185995be2713b49c220cf6187210f7f65f75158ba6be7215dd66da9e94606823050
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec