Analysis
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max time kernel
149s -
max time network
141s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
19-05-2024 20:40
Static task
static1
Behavioral task
behavioral1
Sample
4a19d644aa02cc453bf994e19af077dd4bcecaa8d823a2577cad7e4bc56f577e.exe
Resource
win10v2004-20240508-en
General
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Target
4a19d644aa02cc453bf994e19af077dd4bcecaa8d823a2577cad7e4bc56f577e.exe
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Size
4.1MB
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MD5
2b0e7dd9a821b775705acf166d96e59a
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SHA1
a79f1f477a253ce730f7b58bf34c4c5258cc4da4
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SHA256
4a19d644aa02cc453bf994e19af077dd4bcecaa8d823a2577cad7e4bc56f577e
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SHA512
c71e855cf9b5fb306dea7d926cf2397afedfaad91accc29d6184ed280454bcc2384f626d4b4b5f242638960b8b4b7c0d7a4c506228a2e497034d457013656c9a
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SSDEEP
98304:r7sgfTqZm7fywQIpjGUn+cmloZHued8miXbTsPufBvNX:rzgmDywQg+foZ8mw6Sp
Malware Config
Signatures
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Glupteba payload 19 IoCs
Processes:
resource yara_rule behavioral1/memory/5040-2-0x0000000004830000-0x000000000511B000-memory.dmp family_glupteba behavioral1/memory/5040-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/5040-96-0x0000000004830000-0x000000000511B000-memory.dmp family_glupteba behavioral1/memory/5040-95-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/5040-158-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/984-157-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/5072-211-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/5072-220-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/5072-232-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/5072-235-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/5072-240-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/5072-244-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/5072-248-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/5072-252-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/5072-256-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/5072-260-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/5072-264-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/5072-268-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/5072-271-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 4812 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 5072 csrss.exe 4432 injector.exe 1992 windefender.exe 2568 windefender.exe -
Processes:
resource yara_rule behavioral1/files/0x0003000000022a48-224.dat upx behavioral1/memory/1992-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2568-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1992-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2568-236-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2568-242-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
4a19d644aa02cc453bf994e19af077dd4bcecaa8d823a2577cad7e4bc56f577e.execsrss.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 4a19d644aa02cc453bf994e19af077dd4bcecaa8d823a2577cad7e4bc56f577e.exe Set value (str) \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\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.
Processes:
csrss.exedescription ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process 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 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.
Processes:
4a19d644aa02cc453bf994e19af077dd4bcecaa8d823a2577cad7e4bc56f577e.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN 4a19d644aa02cc453bf994e19af077dd4bcecaa8d823a2577cad7e4bc56f577e.exe -
Drops file in Windows directory 4 IoCs
Processes:
4a19d644aa02cc453bf994e19af077dd4bcecaa8d823a2577cad7e4bc56f577e.execsrss.exedescription ioc Process File created C:\Windows\rss\csrss.exe 4a19d644aa02cc453bf994e19af077dd4bcecaa8d823a2577cad7e4bc56f577e.exe 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 4a19d644aa02cc453bf994e19af077dd4bcecaa8d823a2577cad7e4bc56f577e.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
Processes:
sc.exepid Process 3660 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 3612 powershell.exe 1788 powershell.exe 1192 powershell.exe 3136 powershell.exe 3352 powershell.exe 2176 powershell.exe 1516 powershell.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 3196 schtasks.exe 2160 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
4a19d644aa02cc453bf994e19af077dd4bcecaa8d823a2577cad7e4bc56f577e.exepowershell.exepowershell.exewindefender.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" 4a19d644aa02cc453bf994e19af077dd4bcecaa8d823a2577cad7e4bc56f577e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" 4a19d644aa02cc453bf994e19af077dd4bcecaa8d823a2577cad7e4bc56f577e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" 4a19d644aa02cc453bf994e19af077dd4bcecaa8d823a2577cad7e4bc56f577e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time" 4a19d644aa02cc453bf994e19af077dd4bcecaa8d823a2577cad7e4bc56f577e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2491 = "Aus Central W. 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" 4a19d644aa02cc453bf994e19af077dd4bcecaa8d823a2577cad7e4bc56f577e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-171 = "Central Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time" 4a19d644aa02cc453bf994e19af077dd4bcecaa8d823a2577cad7e4bc56f577e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time" 4a19d644aa02cc453bf994e19af077dd4bcecaa8d823a2577cad7e4bc56f577e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time" 4a19d644aa02cc453bf994e19af077dd4bcecaa8d823a2577cad7e4bc56f577e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates 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\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time" 4a19d644aa02cc453bf994e19af077dd4bcecaa8d823a2577cad7e4bc56f577e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" 4a19d644aa02cc453bf994e19af077dd4bcecaa8d823a2577cad7e4bc56f577e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2062 = "North Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2842 = "Saratov Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-412 = "E. Africa Standard Time" 4a19d644aa02cc453bf994e19af077dd4bcecaa8d823a2577cad7e4bc56f577e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time" 4a19d644aa02cc453bf994e19af077dd4bcecaa8d823a2577cad7e4bc56f577e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time" 4a19d644aa02cc453bf994e19af077dd4bcecaa8d823a2577cad7e4bc56f577e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time" 4a19d644aa02cc453bf994e19af077dd4bcecaa8d823a2577cad7e4bc56f577e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-381 = "South Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time" 4a19d644aa02cc453bf994e19af077dd4bcecaa8d823a2577cad7e4bc56f577e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2002 = "Cabo Verde Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-962 = "Paraguay Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-41 = "E. South America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2061 = "North Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2141 = "Transbaikal Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA 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\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-342 = "Egypt Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-491 = "India Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2791 = "Novosibirsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-241 = "Samoa Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" 4a19d644aa02cc453bf994e19af077dd4bcecaa8d823a2577cad7e4bc56f577e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time" 4a19d644aa02cc453bf994e19af077dd4bcecaa8d823a2577cad7e4bc56f577e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs 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\2a\52C64B7E\@tzres.dll,-771 = "Montevideo Daylight 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" 4a19d644aa02cc453bf994e19af077dd4bcecaa8d823a2577cad7e4bc56f577e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-201 = "US Mountain Daylight Time" windefender.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\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time" 4a19d644aa02cc453bf994e19af077dd4bcecaa8d823a2577cad7e4bc56f577e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time" 4a19d644aa02cc453bf994e19af077dd4bcecaa8d823a2577cad7e4bc56f577e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" 4a19d644aa02cc453bf994e19af077dd4bcecaa8d823a2577cad7e4bc56f577e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time" 4a19d644aa02cc453bf994e19af077dd4bcecaa8d823a2577cad7e4bc56f577e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time" 4a19d644aa02cc453bf994e19af077dd4bcecaa8d823a2577cad7e4bc56f577e.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\@tzres.dll,-261 = "GMT Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe4a19d644aa02cc453bf994e19af077dd4bcecaa8d823a2577cad7e4bc56f577e.exepowershell.exe4a19d644aa02cc453bf994e19af077dd4bcecaa8d823a2577cad7e4bc56f577e.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 3612 powershell.exe 3612 powershell.exe 3612 powershell.exe 5040 4a19d644aa02cc453bf994e19af077dd4bcecaa8d823a2577cad7e4bc56f577e.exe 5040 4a19d644aa02cc453bf994e19af077dd4bcecaa8d823a2577cad7e4bc56f577e.exe 1788 powershell.exe 1788 powershell.exe 1788 powershell.exe 984 4a19d644aa02cc453bf994e19af077dd4bcecaa8d823a2577cad7e4bc56f577e.exe 984 4a19d644aa02cc453bf994e19af077dd4bcecaa8d823a2577cad7e4bc56f577e.exe 984 4a19d644aa02cc453bf994e19af077dd4bcecaa8d823a2577cad7e4bc56f577e.exe 984 4a19d644aa02cc453bf994e19af077dd4bcecaa8d823a2577cad7e4bc56f577e.exe 984 4a19d644aa02cc453bf994e19af077dd4bcecaa8d823a2577cad7e4bc56f577e.exe 984 4a19d644aa02cc453bf994e19af077dd4bcecaa8d823a2577cad7e4bc56f577e.exe 984 4a19d644aa02cc453bf994e19af077dd4bcecaa8d823a2577cad7e4bc56f577e.exe 984 4a19d644aa02cc453bf994e19af077dd4bcecaa8d823a2577cad7e4bc56f577e.exe 984 4a19d644aa02cc453bf994e19af077dd4bcecaa8d823a2577cad7e4bc56f577e.exe 984 4a19d644aa02cc453bf994e19af077dd4bcecaa8d823a2577cad7e4bc56f577e.exe 1192 powershell.exe 1192 powershell.exe 1192 powershell.exe 3136 powershell.exe 3136 powershell.exe 3136 powershell.exe 3352 powershell.exe 3352 powershell.exe 3352 powershell.exe 2176 powershell.exe 2176 powershell.exe 2176 powershell.exe 1516 powershell.exe 1516 powershell.exe 1516 powershell.exe 4432 injector.exe 4432 injector.exe 4432 injector.exe 4432 injector.exe 4432 injector.exe 4432 injector.exe 4432 injector.exe 4432 injector.exe 5072 csrss.exe 5072 csrss.exe 4432 injector.exe 4432 injector.exe 4432 injector.exe 4432 injector.exe 5072 csrss.exe 5072 csrss.exe 4432 injector.exe 4432 injector.exe 4432 injector.exe 4432 injector.exe 4432 injector.exe 4432 injector.exe 4432 injector.exe 4432 injector.exe 4432 injector.exe 4432 injector.exe 4432 injector.exe 4432 injector.exe 4432 injector.exe 4432 injector.exe 5072 csrss.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe4a19d644aa02cc453bf994e19af077dd4bcecaa8d823a2577cad7e4bc56f577e.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 3612 powershell.exe Token: SeDebugPrivilege 5040 4a19d644aa02cc453bf994e19af077dd4bcecaa8d823a2577cad7e4bc56f577e.exe Token: SeImpersonatePrivilege 5040 4a19d644aa02cc453bf994e19af077dd4bcecaa8d823a2577cad7e4bc56f577e.exe Token: SeDebugPrivilege 1788 powershell.exe Token: SeDebugPrivilege 1192 powershell.exe Token: SeDebugPrivilege 3136 powershell.exe Token: SeDebugPrivilege 3352 powershell.exe Token: SeDebugPrivilege 2176 powershell.exe Token: SeDebugPrivilege 1516 powershell.exe Token: SeSystemEnvironmentPrivilege 5072 csrss.exe Token: SeSecurityPrivilege 3660 sc.exe Token: SeSecurityPrivilege 3660 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
4a19d644aa02cc453bf994e19af077dd4bcecaa8d823a2577cad7e4bc56f577e.exe4a19d644aa02cc453bf994e19af077dd4bcecaa8d823a2577cad7e4bc56f577e.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 5040 wrote to memory of 3612 5040 4a19d644aa02cc453bf994e19af077dd4bcecaa8d823a2577cad7e4bc56f577e.exe 91 PID 5040 wrote to memory of 3612 5040 4a19d644aa02cc453bf994e19af077dd4bcecaa8d823a2577cad7e4bc56f577e.exe 91 PID 5040 wrote to memory of 3612 5040 4a19d644aa02cc453bf994e19af077dd4bcecaa8d823a2577cad7e4bc56f577e.exe 91 PID 984 wrote to memory of 1788 984 4a19d644aa02cc453bf994e19af077dd4bcecaa8d823a2577cad7e4bc56f577e.exe 106 PID 984 wrote to memory of 1788 984 4a19d644aa02cc453bf994e19af077dd4bcecaa8d823a2577cad7e4bc56f577e.exe 106 PID 984 wrote to memory of 1788 984 4a19d644aa02cc453bf994e19af077dd4bcecaa8d823a2577cad7e4bc56f577e.exe 106 PID 984 wrote to memory of 2468 984 4a19d644aa02cc453bf994e19af077dd4bcecaa8d823a2577cad7e4bc56f577e.exe 109 PID 984 wrote to memory of 2468 984 4a19d644aa02cc453bf994e19af077dd4bcecaa8d823a2577cad7e4bc56f577e.exe 109 PID 2468 wrote to memory of 4812 2468 cmd.exe 111 PID 2468 wrote to memory of 4812 2468 cmd.exe 111 PID 984 wrote to memory of 1192 984 4a19d644aa02cc453bf994e19af077dd4bcecaa8d823a2577cad7e4bc56f577e.exe 113 PID 984 wrote to memory of 1192 984 4a19d644aa02cc453bf994e19af077dd4bcecaa8d823a2577cad7e4bc56f577e.exe 113 PID 984 wrote to memory of 1192 984 4a19d644aa02cc453bf994e19af077dd4bcecaa8d823a2577cad7e4bc56f577e.exe 113 PID 984 wrote to memory of 3136 984 4a19d644aa02cc453bf994e19af077dd4bcecaa8d823a2577cad7e4bc56f577e.exe 115 PID 984 wrote to memory of 3136 984 4a19d644aa02cc453bf994e19af077dd4bcecaa8d823a2577cad7e4bc56f577e.exe 115 PID 984 wrote to memory of 3136 984 4a19d644aa02cc453bf994e19af077dd4bcecaa8d823a2577cad7e4bc56f577e.exe 115 PID 984 wrote to memory of 5072 984 4a19d644aa02cc453bf994e19af077dd4bcecaa8d823a2577cad7e4bc56f577e.exe 117 PID 984 wrote to memory of 5072 984 4a19d644aa02cc453bf994e19af077dd4bcecaa8d823a2577cad7e4bc56f577e.exe 117 PID 984 wrote to memory of 5072 984 4a19d644aa02cc453bf994e19af077dd4bcecaa8d823a2577cad7e4bc56f577e.exe 117 PID 5072 wrote to memory of 3352 5072 csrss.exe 118 PID 5072 wrote to memory of 3352 5072 csrss.exe 118 PID 5072 wrote to memory of 3352 5072 csrss.exe 118 PID 5072 wrote to memory of 2176 5072 csrss.exe 123 PID 5072 wrote to memory of 2176 5072 csrss.exe 123 PID 5072 wrote to memory of 2176 5072 csrss.exe 123 PID 5072 wrote to memory of 1516 5072 csrss.exe 126 PID 5072 wrote to memory of 1516 5072 csrss.exe 126 PID 5072 wrote to memory of 1516 5072 csrss.exe 126 PID 5072 wrote to memory of 4432 5072 csrss.exe 129 PID 5072 wrote to memory of 4432 5072 csrss.exe 129 PID 1992 wrote to memory of 4844 1992 windefender.exe 136 PID 1992 wrote to memory of 4844 1992 windefender.exe 136 PID 1992 wrote to memory of 4844 1992 windefender.exe 136 PID 4844 wrote to memory of 3660 4844 cmd.exe 137 PID 4844 wrote to memory of 3660 4844 cmd.exe 137 PID 4844 wrote to memory of 3660 4844 cmd.exe 137 -
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\4a19d644aa02cc453bf994e19af077dd4bcecaa8d823a2577cad7e4bc56f577e.exe"C:\Users\Admin\AppData\Local\Temp\4a19d644aa02cc453bf994e19af077dd4bcecaa8d823a2577cad7e4bc56f577e.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5040 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3612
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C:\Users\Admin\AppData\Local\Temp\4a19d644aa02cc453bf994e19af077dd4bcecaa8d823a2577cad7e4bc56f577e.exe"C:\Users\Admin\AppData\Local\Temp\4a19d644aa02cc453bf994e19af077dd4bcecaa8d823a2577cad7e4bc56f577e.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:984 -
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:1788
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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:2468 -
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:4812
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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:1192
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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:3136
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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:5072 -
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:3352
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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:3196
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4536
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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:2176
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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:1516
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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:4432
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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:2160
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1992 -
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:4844 -
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:3660
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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 --field-trial-handle=3416,i,13879737908471496610,15335851594401413307,262144 --variations-seed-version --mojo-platform-channel-handle=4088 /prefetch:81⤵PID:3676
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2568
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
MD593e1798fa99e304eec7038b65bd5944c
SHA1be2f054d2f78d3b8c4e39b6c5b0e66e14175d3fd
SHA256057f3dc939ea94171109dce2a1b0a1ef9a76a2e58e6bdae1124a16847c340527
SHA5120c50b4f319f69003512b47174d6123eaa1dda10fd8040bcd343b8027549a3686151ec100474e496c098984e719f592e8ab824c8856cfe1055579209ee94355c7
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a7917ff7f5c77b7aaa5a4817b70a4209
SHA13af15aac01c1f1401ab6ea782ed60b172184213f
SHA256260924bdc970140e44b45f0a51d743142bc7798d270e08f2c76be6b431333326
SHA5129b9675e3fdb5a35b9d822223681a93dfc86ac548bec007e419823fdd6c0cc02a6747caac3a8edcce94be841dc26b9b82ec297bf521ed19b56690525de54e8501
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b707fcf366db91ce3f97f26a5a66a21b
SHA1bfa4fd88f7f548411835f12006e128a7feb5ebfe
SHA256137ae54943f5d98b1d2fc7f87cb4c5277ad249fd926c2bdb3326dcd9617e2401
SHA5122ff3909ca81cf1715c18c2c8d47e83dbe78a118b8fdc0b2e5f0d4cb6ed1da0bf8230365a8caac007dc64218dba4fd28313fe47807b8fb400294fbc00a9819589
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e426520ec88b7f2cbc78073675a6317a
SHA16e1179dd60541d84c7ab05400310294d514cc1ab
SHA25617791e7f77a75a70ec33aab919f3f82cb2981c06ceb091b7bfca60732a20e81e
SHA512f0bddb43cdd1fe89c232cc766888b315912b8ae67b8b311af80d42f70b5c0c5f702ed86b28c0ef05900e90e78976d4df97635d73ddbb65dd1521b6811f330ae9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ebb8307a468afcfbc68b91f35bb35786
SHA17601e06b61e70e5392b834d7384ce3b3b5bc8dc3
SHA2568a147a03da7d577580dc2e41746a7e22fe5afa2d477c36a1f8bd0076f28bb85c
SHA51292b9ca37b3cf0f01ef5cace79d100889e1162ed5c51d2f9d204ddf05060578908e509dd46be098a9615bbfeb9bff693a50fa287dc9f827d56e933fb871b21b68
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Filesize
4.1MB
MD52b0e7dd9a821b775705acf166d96e59a
SHA1a79f1f477a253ce730f7b58bf34c4c5258cc4da4
SHA2564a19d644aa02cc453bf994e19af077dd4bcecaa8d823a2577cad7e4bc56f577e
SHA512c71e855cf9b5fb306dea7d926cf2397afedfaad91accc29d6184ed280454bcc2384f626d4b4b5f242638960b8b4b7c0d7a4c506228a2e497034d457013656c9a
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec