Analysis
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max time kernel
149s -
max time network
149s -
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, 19:20
Static task
static1
Behavioral task
behavioral1
Sample
a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.exe
Resource
win10v2004-20240508-en
General
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Target
a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.exe
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Size
4.1MB
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MD5
bf149c257d5476b462697565ccd2b916
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SHA1
59d9698919c39b07afbacc3bc4f1fb6bc8d1c1c8
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SHA256
a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25
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SHA512
ff3c413b8d9709020a09eb65b5c6844e7d5b59667a518a215bfa4fee7f9716003db9d86ea55017be1bbd9929b48acba4656c860a413e33b88e8effbe3f012436
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SSDEEP
98304:npLl5dh/cY//0ytMliSDJIrO0tWgVy355J08nZmlsCl:pLlNLHtGNcOLFp5JFwlsCl
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/1500-2-0x0000000005000000-0x00000000058EB000-memory.dmp family_glupteba behavioral1/memory/1500-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1500-6-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/1500-57-0x0000000005000000-0x00000000058EB000-memory.dmp family_glupteba behavioral1/memory/1500-55-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/1500-82-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2332-81-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/2332-136-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/4492-161-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/4492-219-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/4492-229-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/4492-231-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/4492-235-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/4492-238-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/4492-241-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/4492-243-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/4492-247-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/4492-250-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/4492-253-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2084 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4492 csrss.exe 1480 injector.exe 2308 windefender.exe 1900 windefender.exe -
resource yara_rule behavioral1/files/0x0008000000023429-223.dat upx behavioral1/memory/2308-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2308-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1900-232-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1900-237-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1900-246-0x0000000000400000-0x00000000008DF000-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\"" a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.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 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 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 -
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 a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.exe File created C:\Windows\rss\csrss.exe a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.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.
pid Process 3328 sc.exe -
pid Process 4380 powershell.exe 4268 powershell.exe 4300 powershell.exe 4072 powershell.exe 1888 powershell.exe 4500 powershell.exe 716 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 1960 schtasks.exe 3572 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time" a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time" a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time" a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-231 = "Hawaiian 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\@tzres.dll,-752 = "Tonga Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time" a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1872 = "Russia TZ 7 Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time" a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time" a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time" a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.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\2a\52C64B7E\@tzres.dll,-1472 = "Magadan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2491 = "Aus Central W. Daylight Time" a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2572 = "Turks and Caicos Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-411 = "E. Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-891 = "Morocco Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-871 = "Pakistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2752 = "Tomsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time" a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-448 = "Azerbaijan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-332 = "E. Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" windefender.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,-222 = "Alaskan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-721 = "Central Pacific Daylight 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\@tzres.dll,-632 = "Tokyo Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.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\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-562 = "SE Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time" a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time" a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.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\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 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,-2162 = "Altai Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.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,-2872 = "Magallanes Standard Time" a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time" a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-12 = "Azores Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4500 powershell.exe 4500 powershell.exe 1500 a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.exe 1500 a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.exe 716 powershell.exe 716 powershell.exe 2332 a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.exe 2332 a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.exe 2332 a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.exe 2332 a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.exe 2332 a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.exe 2332 a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.exe 2332 a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.exe 2332 a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.exe 2332 a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.exe 2332 a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.exe 4380 powershell.exe 4380 powershell.exe 4268 powershell.exe 4268 powershell.exe 4300 powershell.exe 4300 powershell.exe 4072 powershell.exe 4072 powershell.exe 1888 powershell.exe 1888 powershell.exe 1480 injector.exe 1480 injector.exe 1480 injector.exe 1480 injector.exe 1480 injector.exe 1480 injector.exe 4492 csrss.exe 4492 csrss.exe 1480 injector.exe 1480 injector.exe 1480 injector.exe 1480 injector.exe 1480 injector.exe 1480 injector.exe 4492 csrss.exe 4492 csrss.exe 1480 injector.exe 1480 injector.exe 4492 csrss.exe 4492 csrss.exe 1480 injector.exe 1480 injector.exe 1480 injector.exe 1480 injector.exe 1480 injector.exe 1480 injector.exe 1480 injector.exe 1480 injector.exe 1480 injector.exe 1480 injector.exe 1480 injector.exe 1480 injector.exe 1480 injector.exe 1480 injector.exe 1480 injector.exe 1480 injector.exe 1480 injector.exe 1480 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4500 powershell.exe Token: SeDebugPrivilege 1500 a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.exe Token: SeImpersonatePrivilege 1500 a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.exe Token: SeDebugPrivilege 716 powershell.exe Token: SeDebugPrivilege 4380 powershell.exe Token: SeDebugPrivilege 4268 powershell.exe Token: SeDebugPrivilege 4300 powershell.exe Token: SeDebugPrivilege 4072 powershell.exe Token: SeDebugPrivilege 1888 powershell.exe Token: SeSystemEnvironmentPrivilege 4492 csrss.exe Token: SeSecurityPrivilege 3328 sc.exe Token: SeSecurityPrivilege 3328 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1500 wrote to memory of 4500 1500 a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.exe 88 PID 1500 wrote to memory of 4500 1500 a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.exe 88 PID 1500 wrote to memory of 4500 1500 a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.exe 88 PID 2332 wrote to memory of 716 2332 a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.exe 93 PID 2332 wrote to memory of 716 2332 a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.exe 93 PID 2332 wrote to memory of 716 2332 a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.exe 93 PID 2332 wrote to memory of 1368 2332 a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.exe 96 PID 2332 wrote to memory of 1368 2332 a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.exe 96 PID 1368 wrote to memory of 2084 1368 cmd.exe 98 PID 1368 wrote to memory of 2084 1368 cmd.exe 98 PID 2332 wrote to memory of 4380 2332 a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.exe 99 PID 2332 wrote to memory of 4380 2332 a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.exe 99 PID 2332 wrote to memory of 4380 2332 a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.exe 99 PID 2332 wrote to memory of 4268 2332 a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.exe 101 PID 2332 wrote to memory of 4268 2332 a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.exe 101 PID 2332 wrote to memory of 4268 2332 a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.exe 101 PID 2332 wrote to memory of 4492 2332 a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.exe 104 PID 2332 wrote to memory of 4492 2332 a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.exe 104 PID 2332 wrote to memory of 4492 2332 a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.exe 104 PID 4492 wrote to memory of 4300 4492 csrss.exe 105 PID 4492 wrote to memory of 4300 4492 csrss.exe 105 PID 4492 wrote to memory of 4300 4492 csrss.exe 105 PID 4492 wrote to memory of 4072 4492 csrss.exe 111 PID 4492 wrote to memory of 4072 4492 csrss.exe 111 PID 4492 wrote to memory of 4072 4492 csrss.exe 111 PID 4492 wrote to memory of 1888 4492 csrss.exe 113 PID 4492 wrote to memory of 1888 4492 csrss.exe 113 PID 4492 wrote to memory of 1888 4492 csrss.exe 113 PID 4492 wrote to memory of 1480 4492 csrss.exe 115 PID 4492 wrote to memory of 1480 4492 csrss.exe 115 PID 2308 wrote to memory of 4452 2308 windefender.exe 121 PID 2308 wrote to memory of 4452 2308 windefender.exe 121 PID 2308 wrote to memory of 4452 2308 windefender.exe 121 PID 4452 wrote to memory of 3328 4452 cmd.exe 122 PID 4452 wrote to memory of 3328 4452 cmd.exe 122 PID 4452 wrote to memory of 3328 4452 cmd.exe 122 -
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\a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.exe"C:\Users\Admin\AppData\Local\Temp\a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1500 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4500
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C:\Users\Admin\AppData\Local\Temp\a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.exe"C:\Users\Admin\AppData\Local\Temp\a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.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:2332 -
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:716
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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:1368 -
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:2084
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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:4380
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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:4268
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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:4492 -
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:4300
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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:1960
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3124
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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:4072
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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:1888
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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:1480
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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:3572
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2308 -
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:4452 -
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:3328
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1900
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
MD59ac482f9e8cc92eb4c9faa0bb94e4aa8
SHA15ca627c3cb2baabb470814ee358187a2769bb820
SHA256c7ac042d126393b3535bd2c29f80bb469b0ab5c25fbe905cc29cfec52bcb5918
SHA512357d9775ed01ca7347caed06ebc218641a291339d0c15820cde392e5016de11abf55e2db40e96441c61e805788173bded2f05c22b4fc744a951cea0eb43970f8
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b1db53504e78661a8c6de97429eebd3e
SHA1fc6c4ae4d0e24051ce771f5cb996a74a64a03aaa
SHA256e7812377a3165b48568f3fc3f4d3b8ffdd0fb1dfe0fe8f732496262b5b888247
SHA512f5e7b0b83c9ee16bbd76a605b0c545974ee8692640e150e6c36b43525fbdc800cf7596eba15f6a007ac573a8f1cbb30181448b8956b3b09f2c0b494b1e7335d4
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5469df782ebeed217da1fe78fb58b2637
SHA17ff47c4197464e7c34fb19b61a7d92c255b6b37d
SHA25603b6705acbbe59bdc01e55d3200ce71f569ad893e855c880cddfcc169fce26f8
SHA5124ce053d37f270dcced4a049feb506c60c683b33f0aa3267092e5b2e965a8cad4ee77c9f5101655b405df0507e58d0d1b7f0800cc00e875cb7b1c0866f61ed019
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a92aac93fcba1d112c33841e268aa900
SHA1fa062ab8362af243a403d87c8088d910cabcd208
SHA25659b904c1e38e3595f7ea24f84fdf7e805d0a19962e9664ebcfa03bc52f87ad3f
SHA5126afbc43a789a6a986d92f0db508f5eabc546af8dd9c5c99b153e6681df2167c542bc25577112e3735f0104bf6c404e4e12c5a5319b1d8161c8dee54191b8366b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5246bb92469c26e7ace7b1afe900d18eb
SHA1c66299721f82bef1dc647de5d4d040c6063647c9
SHA256799c96861e0277e9ff3f324b36c010e64c552c16954cad28d9fc54eeab048d81
SHA5126b6e20b3c562dcedf874492b49c20664d18b47e7bf95e1a2d3a57aac886ce63b048140313630e5944355f50a5caa9770a0f39e2915e7b932763d9612d5ab373d
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Filesize
4.1MB
MD5bf149c257d5476b462697565ccd2b916
SHA159d9698919c39b07afbacc3bc4f1fb6bc8d1c1c8
SHA256a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25
SHA512ff3c413b8d9709020a09eb65b5c6844e7d5b59667a518a215bfa4fee7f9716003db9d86ea55017be1bbd9929b48acba4656c860a413e33b88e8effbe3f012436
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec