Analysis
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max time kernel
150s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
10-10-2023 22:27
Static task
static1
Behavioral task
behavioral1
Sample
e90424aede26e1dab377e4fa67d993bd.exe
Resource
win7-20230831-en
General
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Target
e90424aede26e1dab377e4fa67d993bd.exe
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Size
4.1MB
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MD5
e90424aede26e1dab377e4fa67d993bd
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SHA1
beaa664c8ae8862d51a38aad3274213c3392ab8f
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SHA256
edc7a1ca30b7dd9e8eccee42f47121d144f2bd410ae6cb522cc9b52902a1d74a
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SHA512
fb7186160f8cd8dbfb386df97d1c41c402f6343d3a543f2662e2b25a037386b31c974337680fade5e62f6bae65e59815ecb5a85b15a2a6d056c52841407210c2
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SSDEEP
98304:oRTkDuHgmYx/lUN44oPlaFTRDd8Vl17ZH+qKHzyof587dicDjg0:SumYx/lUN44oEJmBCTyoq7dicB
Malware Config
Signatures
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Glupteba payload 17 IoCs
Processes:
resource yara_rule behavioral2/memory/868-1-0x0000000002EA0000-0x000000000378B000-memory.dmp family_glupteba behavioral2/memory/868-2-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/868-3-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/868-22-0x0000000002EA0000-0x000000000378B000-memory.dmp family_glupteba behavioral2/memory/868-31-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/868-60-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/4184-62-0x0000000002E40000-0x000000000372B000-memory.dmp family_glupteba behavioral2/memory/4184-63-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/4184-93-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/4184-98-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/4184-100-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/4184-116-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/4184-166-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/772-198-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/772-249-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/772-271-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/772-278-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba -
Modifies Windows Firewall 1 TTPs 1 IoCs
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Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid process 772 csrss.exe 3880 injector.exe 8 windefender.exe 1692 windefender.exe -
Processes:
resource yara_rule C:\Windows\windefender.exe upx C:\Windows\windefender.exe upx C:\Windows\windefender.exe upx behavioral2/memory/8-280-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
e90424aede26e1dab377e4fa67d993bd.execsrss.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1926387074-3400613176-3566796709-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" e90424aede26e1dab377e4fa67d993bd.exe Set value (str) \REGISTRY\USER\S-1-5-21-1926387074-3400613176-3566796709-1000\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 opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe 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:
e90424aede26e1dab377e4fa67d993bd.exedescription ioc process File opened (read-only) \??\VBoxMiniRdrDN e90424aede26e1dab377e4fa67d993bd.exe -
Drops file in Windows directory 4 IoCs
Processes:
e90424aede26e1dab377e4fa67d993bd.execsrss.exedescription ioc process File opened for modification C:\Windows\rss e90424aede26e1dab377e4fa67d993bd.exe File created C:\Windows\rss\csrss.exe e90424aede26e1dab377e4fa67d993bd.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
Processes:
sc.exepid process 2956 sc.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exepid process 2484 schtasks.exe 1636 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
e90424aede26e1dab377e4fa67d993bd.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1862 = "Russia TZ 6 Standard Time" e90424aede26e1dab377e4fa67d993bd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time" e90424aede26e1dab377e4fa67d993bd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" e90424aede26e1dab377e4fa67d993bd.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time" e90424aede26e1dab377e4fa67d993bd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" e90424aede26e1dab377e4fa67d993bd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" e90424aede26e1dab377e4fa67d993bd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" e90424aede26e1dab377e4fa67d993bd.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time" e90424aede26e1dab377e4fa67d993bd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time" e90424aede26e1dab377e4fa67d993bd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" e90424aede26e1dab377e4fa67d993bd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 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\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time" e90424aede26e1dab377e4fa67d993bd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time" e90424aede26e1dab377e4fa67d993bd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time" e90424aede26e1dab377e4fa67d993bd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time" e90424aede26e1dab377e4fa67d993bd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time" e90424aede26e1dab377e4fa67d993bd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)" e90424aede26e1dab377e4fa67d993bd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" e90424aede26e1dab377e4fa67d993bd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time" e90424aede26e1dab377e4fa67d993bd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" e90424aede26e1dab377e4fa67d993bd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time" e90424aede26e1dab377e4fa67d993bd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" e90424aede26e1dab377e4fa67d993bd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.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 (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time" e90424aede26e1dab377e4fa67d993bd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time" e90424aede26e1dab377e4fa67d993bd.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" e90424aede26e1dab377e4fa67d993bd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time" e90424aede26e1dab377e4fa67d993bd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time" e90424aede26e1dab377e4fa67d993bd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time" e90424aede26e1dab377e4fa67d993bd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1892 = "Russia TZ 3 Standard Time" e90424aede26e1dab377e4fa67d993bd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time" e90424aede26e1dab377e4fa67d993bd.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exee90424aede26e1dab377e4fa67d993bd.exepowershell.exee90424aede26e1dab377e4fa67d993bd.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid process 2676 powershell.exe 2676 powershell.exe 2676 powershell.exe 868 e90424aede26e1dab377e4fa67d993bd.exe 868 e90424aede26e1dab377e4fa67d993bd.exe 3316 powershell.exe 3316 powershell.exe 4184 e90424aede26e1dab377e4fa67d993bd.exe 4184 e90424aede26e1dab377e4fa67d993bd.exe 4184 e90424aede26e1dab377e4fa67d993bd.exe 4184 e90424aede26e1dab377e4fa67d993bd.exe 4184 e90424aede26e1dab377e4fa67d993bd.exe 4184 e90424aede26e1dab377e4fa67d993bd.exe 4184 e90424aede26e1dab377e4fa67d993bd.exe 4184 e90424aede26e1dab377e4fa67d993bd.exe 4184 e90424aede26e1dab377e4fa67d993bd.exe 4184 e90424aede26e1dab377e4fa67d993bd.exe 1492 powershell.exe 1492 powershell.exe 4704 powershell.exe 4704 powershell.exe 1072 powershell.exe 1072 powershell.exe 4224 powershell.exe 4224 powershell.exe 2560 powershell.exe 2560 powershell.exe 3880 injector.exe 3880 injector.exe 3880 injector.exe 3880 injector.exe 3880 injector.exe 3880 injector.exe 3880 injector.exe 3880 injector.exe 3880 injector.exe 3880 injector.exe 3880 injector.exe 3880 injector.exe 772 csrss.exe 772 csrss.exe 3880 injector.exe 3880 injector.exe 3880 injector.exe 3880 injector.exe 3880 injector.exe 3880 injector.exe 772 csrss.exe 772 csrss.exe 3880 injector.exe 3880 injector.exe 3880 injector.exe 3880 injector.exe 3880 injector.exe 3880 injector.exe 3880 injector.exe 3880 injector.exe 772 csrss.exe 772 csrss.exe 3880 injector.exe 3880 injector.exe 3880 injector.exe 3880 injector.exe 3880 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exee90424aede26e1dab377e4fa67d993bd.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid process Token: SeDebugPrivilege 2676 powershell.exe Token: SeDebugPrivilege 868 e90424aede26e1dab377e4fa67d993bd.exe Token: SeImpersonatePrivilege 868 e90424aede26e1dab377e4fa67d993bd.exe Token: SeDebugPrivilege 3316 powershell.exe Token: SeDebugPrivilege 1492 powershell.exe Token: SeDebugPrivilege 4704 powershell.exe Token: SeDebugPrivilege 1072 powershell.exe Token: SeDebugPrivilege 4224 powershell.exe Token: SeDebugPrivilege 2560 powershell.exe Token: SeSystemEnvironmentPrivilege 772 csrss.exe Token: SeSecurityPrivilege 2956 sc.exe Token: SeSecurityPrivilege 2956 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
e90424aede26e1dab377e4fa67d993bd.exee90424aede26e1dab377e4fa67d993bd.execmd.execsrss.exewindefender.execmd.exedescription pid process target process PID 868 wrote to memory of 2676 868 e90424aede26e1dab377e4fa67d993bd.exe powershell.exe PID 868 wrote to memory of 2676 868 e90424aede26e1dab377e4fa67d993bd.exe powershell.exe PID 868 wrote to memory of 2676 868 e90424aede26e1dab377e4fa67d993bd.exe powershell.exe PID 4184 wrote to memory of 3316 4184 e90424aede26e1dab377e4fa67d993bd.exe powershell.exe PID 4184 wrote to memory of 3316 4184 e90424aede26e1dab377e4fa67d993bd.exe powershell.exe PID 4184 wrote to memory of 3316 4184 e90424aede26e1dab377e4fa67d993bd.exe powershell.exe PID 4184 wrote to memory of 3880 4184 e90424aede26e1dab377e4fa67d993bd.exe cmd.exe PID 4184 wrote to memory of 3880 4184 e90424aede26e1dab377e4fa67d993bd.exe cmd.exe PID 3880 wrote to memory of 1020 3880 cmd.exe netsh.exe PID 3880 wrote to memory of 1020 3880 cmd.exe netsh.exe PID 4184 wrote to memory of 1492 4184 e90424aede26e1dab377e4fa67d993bd.exe powershell.exe PID 4184 wrote to memory of 1492 4184 e90424aede26e1dab377e4fa67d993bd.exe powershell.exe PID 4184 wrote to memory of 1492 4184 e90424aede26e1dab377e4fa67d993bd.exe powershell.exe PID 4184 wrote to memory of 4704 4184 e90424aede26e1dab377e4fa67d993bd.exe powershell.exe PID 4184 wrote to memory of 4704 4184 e90424aede26e1dab377e4fa67d993bd.exe powershell.exe PID 4184 wrote to memory of 4704 4184 e90424aede26e1dab377e4fa67d993bd.exe powershell.exe PID 4184 wrote to memory of 772 4184 e90424aede26e1dab377e4fa67d993bd.exe csrss.exe PID 4184 wrote to memory of 772 4184 e90424aede26e1dab377e4fa67d993bd.exe csrss.exe PID 4184 wrote to memory of 772 4184 e90424aede26e1dab377e4fa67d993bd.exe csrss.exe PID 772 wrote to memory of 1072 772 csrss.exe powershell.exe PID 772 wrote to memory of 1072 772 csrss.exe powershell.exe PID 772 wrote to memory of 1072 772 csrss.exe powershell.exe PID 772 wrote to memory of 4224 772 csrss.exe powershell.exe PID 772 wrote to memory of 4224 772 csrss.exe powershell.exe PID 772 wrote to memory of 4224 772 csrss.exe powershell.exe PID 772 wrote to memory of 2560 772 csrss.exe powershell.exe PID 772 wrote to memory of 2560 772 csrss.exe powershell.exe PID 772 wrote to memory of 2560 772 csrss.exe powershell.exe PID 772 wrote to memory of 3880 772 csrss.exe injector.exe PID 772 wrote to memory of 3880 772 csrss.exe injector.exe PID 8 wrote to memory of 636 8 windefender.exe cmd.exe PID 8 wrote to memory of 636 8 windefender.exe cmd.exe PID 8 wrote to memory of 636 8 windefender.exe cmd.exe PID 636 wrote to memory of 2956 636 cmd.exe sc.exe PID 636 wrote to memory of 2956 636 cmd.exe sc.exe PID 636 wrote to memory of 2956 636 cmd.exe sc.exe -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\e90424aede26e1dab377e4fa67d993bd.exe"C:\Users\Admin\AppData\Local\Temp\e90424aede26e1dab377e4fa67d993bd.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:868 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2676 -
C:\Users\Admin\AppData\Local\Temp\e90424aede26e1dab377e4fa67d993bd.exe"C:\Users\Admin\AppData\Local\Temp\e90424aede26e1dab377e4fa67d993bd.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:4184 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3316 -
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:3880 -
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:1020 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1492 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4704 -
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:772 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1072 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:2484 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1888
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4224 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2560 -
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:3880 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:1636 -
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:8 -
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:636 -
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:2956
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
PID:1692
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
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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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
MD50287a366732376734b2defcb617bf67e
SHA1c45c86d9e4b46aacf7d101890f85a4da88120c4e
SHA2569ec5d5670b08526d5abb824e31f15aaa9aa159c86eb47263a940d558044bb620
SHA512e4210f8236213b761cd5faee13ff68bee72bfdb81f77721de65ac53a50bda9ad5a110cf7d33b68294086e152c7723648504b86cfd5bdd592d2ed92fbd9a483f1
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c4fb28c237280e9633fa8d7e54041dff
SHA1151518dfaf583863db58965bd7d0ec7a01afb61c
SHA256d417c592f6ce0ced2e131ec4fb0149d47d30a9a91e6be8fa062455595cd53861
SHA51223410c5e82c27a1e1a021ab1dc46d99c93255a3b418777618b182157b698723b0a3b58bc7cac30bd4ae115210feef2bb88e89e14917d631d1c6789310e545fce
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57163db9bbb2a1ed515b67d31f3a0212e
SHA16edecc17d71f1fd2a36429ffa4cb96f4457c35b5
SHA2569ba12bc7b5242eac5ab796e221c65dfd22bae241a277f57cee53e37e0f7be09e
SHA5124a6f906fa038904e1c66d0f65a5f00d09bc51614ff2b7dc752b1f5d4379b0ba2d43a644095a2a97983293541a0551f4a1584cbf420373f7d3ba7b32a659abfeb
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59a8071400ea0e224c873a1dbce5d1a53
SHA1ab445bad7e4c766481326ddd87d5b6aa86c519d9
SHA25694ba79088be502cead03b59c66693abd056c387d88972a4e9cccf6d995b236f9
SHA5123282b3ac6980547893beb47da434a65ff2187b121370160ecfe03cb093bf2fe2b8a73e695cbda37d7d84f86360d1ab29bbd41fc260f3ec1d4073fc7db27418c7
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ef5daac785ea5d5f7f9ed47ab1a23b87
SHA1b08020f6767676e960d83891d0fa7a08c57ab7e9
SHA2562608b268163ab9766a481e8c28e75846a129b4ef53fad98aa6763787d4ff4b7a
SHA512ddf2aa7b6287de5f0d97375443cd939478a9952e15fe513b5f15b09afaf85393c43e6e83305236fd01bd17dcdd5c5134dd16949b8c33bcb78d09af9a983d50f3
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Filesize
4.1MB
MD5e90424aede26e1dab377e4fa67d993bd
SHA1beaa664c8ae8862d51a38aad3274213c3392ab8f
SHA256edc7a1ca30b7dd9e8eccee42f47121d144f2bd410ae6cb522cc9b52902a1d74a
SHA512fb7186160f8cd8dbfb386df97d1c41c402f6343d3a543f2662e2b25a037386b31c974337680fade5e62f6bae65e59815ecb5a85b15a2a6d056c52841407210c2
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Filesize
4.1MB
MD5e90424aede26e1dab377e4fa67d993bd
SHA1beaa664c8ae8862d51a38aad3274213c3392ab8f
SHA256edc7a1ca30b7dd9e8eccee42f47121d144f2bd410ae6cb522cc9b52902a1d74a
SHA512fb7186160f8cd8dbfb386df97d1c41c402f6343d3a543f2662e2b25a037386b31c974337680fade5e62f6bae65e59815ecb5a85b15a2a6d056c52841407210c2
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec