Analysis
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max time kernel
150s -
max time network
144s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
26/04/2024, 20:26
Static task
static1
Behavioral task
behavioral1
Sample
53a236823792eb5298247b0d7fb5080e200e721993be81b59c4faef90e99468c.exe
Resource
win10v2004-20240426-en
General
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Target
53a236823792eb5298247b0d7fb5080e200e721993be81b59c4faef90e99468c.exe
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Size
4.2MB
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MD5
9590c0e7d5a44d31f0b6dc0a3b03a5b0
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SHA1
f85c67873bcc6467a1e94adf7680c01bd3781e88
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SHA256
53a236823792eb5298247b0d7fb5080e200e721993be81b59c4faef90e99468c
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SHA512
52f2003f33f7db8e147207f2a29d73627ef6b40ab90ff0bcf871f9ca4b7ce971f292d0e4e8fd78d49564fe4283264d4a700755348bc09ea775ab81a9a15e6b39
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SSDEEP
98304:q2m5eOYCD1ID98VF2Kih+6YxfniOeVNR3JpIP6GA7sf3HgV11G9:q2m5BYCDY8uVjYxfniXVNFJ2yR7sfQVU
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral2/memory/1716-2-0x0000000006530000-0x0000000006E1B000-memory.dmp family_glupteba behavioral2/memory/1716-3-0x0000000000400000-0x0000000004420000-memory.dmp family_glupteba behavioral2/memory/1716-163-0x0000000000400000-0x0000000004420000-memory.dmp family_glupteba behavioral2/memory/4904-187-0x0000000000400000-0x0000000004420000-memory.dmp family_glupteba behavioral2/memory/1716-194-0x0000000006530000-0x0000000006E1B000-memory.dmp family_glupteba behavioral2/memory/4584-195-0x0000000000400000-0x0000000004420000-memory.dmp family_glupteba behavioral2/memory/4584-207-0x0000000000400000-0x0000000004420000-memory.dmp family_glupteba behavioral2/memory/4584-211-0x0000000000400000-0x0000000004420000-memory.dmp family_glupteba behavioral2/memory/4584-215-0x0000000000400000-0x0000000004420000-memory.dmp family_glupteba behavioral2/memory/4584-218-0x0000000000400000-0x0000000004420000-memory.dmp family_glupteba behavioral2/memory/4584-223-0x0000000000400000-0x0000000004420000-memory.dmp family_glupteba behavioral2/memory/4584-227-0x0000000000400000-0x0000000004420000-memory.dmp family_glupteba behavioral2/memory/4584-231-0x0000000000400000-0x0000000004420000-memory.dmp family_glupteba behavioral2/memory/4584-234-0x0000000000400000-0x0000000004420000-memory.dmp family_glupteba behavioral2/memory/4584-238-0x0000000000400000-0x0000000004420000-memory.dmp family_glupteba behavioral2/memory/4584-243-0x0000000000400000-0x0000000004420000-memory.dmp family_glupteba behavioral2/memory/4584-247-0x0000000000400000-0x0000000004420000-memory.dmp family_glupteba behavioral2/memory/4584-251-0x0000000000400000-0x0000000004420000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 484 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4584 csrss.exe 4860 injector.exe 900 windefender.exe 2680 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa34-200.dat upx behavioral2/memory/900-202-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2680-204-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/900-205-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2680-209-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2680-217-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2680-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3938118698-2964058152-2337880935-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 53a236823792eb5298247b0d7fb5080e200e721993be81b59c4faef90e99468c.exe Set value (str) \REGISTRY\USER\S-1-5-21-3938118698-2964058152-2337880935-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\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.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 53a236823792eb5298247b0d7fb5080e200e721993be81b59c4faef90e99468c.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 53a236823792eb5298247b0d7fb5080e200e721993be81b59c4faef90e99468c.exe File created C:\Windows\rss\csrss.exe 53a236823792eb5298247b0d7fb5080e200e721993be81b59c4faef90e99468c.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 484 sc.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 464 schtasks.exe 2120 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs 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\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time" 53a236823792eb5298247b0d7fb5080e200e721993be81b59c4faef90e99468c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time" 53a236823792eb5298247b0d7fb5080e200e721993be81b59c4faef90e99468c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.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,-742 = "New Zealand Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-431 = "Iran Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time" 53a236823792eb5298247b0d7fb5080e200e721993be81b59c4faef90e99468c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs 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,-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,-2512 = "Lord Howe Standard Time" 53a236823792eb5298247b0d7fb5080e200e721993be81b59c4faef90e99468c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2432 = "Cuba Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-912 = "Mauritius Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time" 53a236823792eb5298247b0d7fb5080e200e721993be81b59c4faef90e99468c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe 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\@tzres.dll,-401 = "Arabic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1801 = "Line Islands 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,-561 = "SE Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-631 = "Tokyo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time" 53a236823792eb5298247b0d7fb5080e200e721993be81b59c4faef90e99468c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)" 53a236823792eb5298247b0d7fb5080e200e721993be81b59c4faef90e99468c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-72 = "Newfoundland Standard Time" windefender.exe 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,-11 = "Azores Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-452 = "Caucasus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2392 = "Aleutian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time" 53a236823792eb5298247b0d7fb5080e200e721993be81b59c4faef90e99468c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time" 53a236823792eb5298247b0d7fb5080e200e721993be81b59c4faef90e99468c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" 53a236823792eb5298247b0d7fb5080e200e721993be81b59c4faef90e99468c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-385 = "Namibia Standard 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,-832 = "SA Eastern Standard Time" 53a236823792eb5298247b0d7fb5080e200e721993be81b59c4faef90e99468c.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,-261 = "GMT Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-121 = "SA Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" 53a236823792eb5298247b0d7fb5080e200e721993be81b59c4faef90e99468c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time" 53a236823792eb5298247b0d7fb5080e200e721993be81b59c4faef90e99468c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time" 53a236823792eb5298247b0d7fb5080e200e721993be81b59c4faef90e99468c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1802 = "Line Islands Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2001 = "Cabo Verde Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-334 = "Jordan Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-291 = "Central European Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2412 = "Marquesas Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time" 53a236823792eb5298247b0d7fb5080e200e721993be81b59c4faef90e99468c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time" 53a236823792eb5298247b0d7fb5080e200e721993be81b59c4faef90e99468c.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,-351 = "FLE Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time" 53a236823792eb5298247b0d7fb5080e200e721993be81b59c4faef90e99468c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" 53a236823792eb5298247b0d7fb5080e200e721993be81b59c4faef90e99468c.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4848 powershell.exe 4848 powershell.exe 1716 53a236823792eb5298247b0d7fb5080e200e721993be81b59c4faef90e99468c.exe 1716 53a236823792eb5298247b0d7fb5080e200e721993be81b59c4faef90e99468c.exe 4872 powershell.exe 4872 powershell.exe 4904 53a236823792eb5298247b0d7fb5080e200e721993be81b59c4faef90e99468c.exe 4904 53a236823792eb5298247b0d7fb5080e200e721993be81b59c4faef90e99468c.exe 4904 53a236823792eb5298247b0d7fb5080e200e721993be81b59c4faef90e99468c.exe 4904 53a236823792eb5298247b0d7fb5080e200e721993be81b59c4faef90e99468c.exe 4904 53a236823792eb5298247b0d7fb5080e200e721993be81b59c4faef90e99468c.exe 4904 53a236823792eb5298247b0d7fb5080e200e721993be81b59c4faef90e99468c.exe 4904 53a236823792eb5298247b0d7fb5080e200e721993be81b59c4faef90e99468c.exe 4904 53a236823792eb5298247b0d7fb5080e200e721993be81b59c4faef90e99468c.exe 4904 53a236823792eb5298247b0d7fb5080e200e721993be81b59c4faef90e99468c.exe 4904 53a236823792eb5298247b0d7fb5080e200e721993be81b59c4faef90e99468c.exe 1124 powershell.exe 1124 powershell.exe 2340 powershell.exe 2340 powershell.exe 4460 powershell.exe 4460 powershell.exe 228 powershell.exe 228 powershell.exe 5000 powershell.exe 5000 powershell.exe 4860 injector.exe 4860 injector.exe 4860 injector.exe 4860 injector.exe 4860 injector.exe 4860 injector.exe 4584 csrss.exe 4584 csrss.exe 4860 injector.exe 4860 injector.exe 4860 injector.exe 4860 injector.exe 4860 injector.exe 4860 injector.exe 4584 csrss.exe 4584 csrss.exe 4860 injector.exe 4860 injector.exe 4860 injector.exe 4860 injector.exe 4584 csrss.exe 4584 csrss.exe 4860 injector.exe 4860 injector.exe 4860 injector.exe 4860 injector.exe 4860 injector.exe 4860 injector.exe 4860 injector.exe 4860 injector.exe 4860 injector.exe 4860 injector.exe 4860 injector.exe 4860 injector.exe 4860 injector.exe 4860 injector.exe 4860 injector.exe 4860 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4848 powershell.exe Token: SeDebugPrivilege 1716 53a236823792eb5298247b0d7fb5080e200e721993be81b59c4faef90e99468c.exe Token: SeImpersonatePrivilege 1716 53a236823792eb5298247b0d7fb5080e200e721993be81b59c4faef90e99468c.exe Token: SeDebugPrivilege 4872 powershell.exe Token: SeDebugPrivilege 1124 powershell.exe Token: SeDebugPrivilege 2340 powershell.exe Token: SeDebugPrivilege 4460 powershell.exe Token: SeDebugPrivilege 228 powershell.exe Token: SeDebugPrivilege 5000 powershell.exe Token: SeSystemEnvironmentPrivilege 4584 csrss.exe Token: SeSecurityPrivilege 484 sc.exe Token: SeSecurityPrivilege 484 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1716 wrote to memory of 4848 1716 53a236823792eb5298247b0d7fb5080e200e721993be81b59c4faef90e99468c.exe 79 PID 1716 wrote to memory of 4848 1716 53a236823792eb5298247b0d7fb5080e200e721993be81b59c4faef90e99468c.exe 79 PID 1716 wrote to memory of 4848 1716 53a236823792eb5298247b0d7fb5080e200e721993be81b59c4faef90e99468c.exe 79 PID 4904 wrote to memory of 4872 4904 53a236823792eb5298247b0d7fb5080e200e721993be81b59c4faef90e99468c.exe 84 PID 4904 wrote to memory of 4872 4904 53a236823792eb5298247b0d7fb5080e200e721993be81b59c4faef90e99468c.exe 84 PID 4904 wrote to memory of 4872 4904 53a236823792eb5298247b0d7fb5080e200e721993be81b59c4faef90e99468c.exe 84 PID 4904 wrote to memory of 1604 4904 53a236823792eb5298247b0d7fb5080e200e721993be81b59c4faef90e99468c.exe 86 PID 4904 wrote to memory of 1604 4904 53a236823792eb5298247b0d7fb5080e200e721993be81b59c4faef90e99468c.exe 86 PID 1604 wrote to memory of 484 1604 cmd.exe 111 PID 1604 wrote to memory of 484 1604 cmd.exe 111 PID 4904 wrote to memory of 1124 4904 53a236823792eb5298247b0d7fb5080e200e721993be81b59c4faef90e99468c.exe 89 PID 4904 wrote to memory of 1124 4904 53a236823792eb5298247b0d7fb5080e200e721993be81b59c4faef90e99468c.exe 89 PID 4904 wrote to memory of 1124 4904 53a236823792eb5298247b0d7fb5080e200e721993be81b59c4faef90e99468c.exe 89 PID 4904 wrote to memory of 2340 4904 53a236823792eb5298247b0d7fb5080e200e721993be81b59c4faef90e99468c.exe 91 PID 4904 wrote to memory of 2340 4904 53a236823792eb5298247b0d7fb5080e200e721993be81b59c4faef90e99468c.exe 91 PID 4904 wrote to memory of 2340 4904 53a236823792eb5298247b0d7fb5080e200e721993be81b59c4faef90e99468c.exe 91 PID 4904 wrote to memory of 4584 4904 53a236823792eb5298247b0d7fb5080e200e721993be81b59c4faef90e99468c.exe 93 PID 4904 wrote to memory of 4584 4904 53a236823792eb5298247b0d7fb5080e200e721993be81b59c4faef90e99468c.exe 93 PID 4904 wrote to memory of 4584 4904 53a236823792eb5298247b0d7fb5080e200e721993be81b59c4faef90e99468c.exe 93 PID 4584 wrote to memory of 4460 4584 csrss.exe 94 PID 4584 wrote to memory of 4460 4584 csrss.exe 94 PID 4584 wrote to memory of 4460 4584 csrss.exe 94 PID 4584 wrote to memory of 228 4584 csrss.exe 99 PID 4584 wrote to memory of 228 4584 csrss.exe 99 PID 4584 wrote to memory of 228 4584 csrss.exe 99 PID 4584 wrote to memory of 5000 4584 csrss.exe 102 PID 4584 wrote to memory of 5000 4584 csrss.exe 102 PID 4584 wrote to memory of 5000 4584 csrss.exe 102 PID 4584 wrote to memory of 4860 4584 csrss.exe 104 PID 4584 wrote to memory of 4860 4584 csrss.exe 104 PID 900 wrote to memory of 1672 900 windefender.exe 110 PID 900 wrote to memory of 1672 900 windefender.exe 110 PID 900 wrote to memory of 1672 900 windefender.exe 110 PID 1672 wrote to memory of 484 1672 cmd.exe 111 PID 1672 wrote to memory of 484 1672 cmd.exe 111 PID 1672 wrote to memory of 484 1672 cmd.exe 111 -
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\53a236823792eb5298247b0d7fb5080e200e721993be81b59c4faef90e99468c.exe"C:\Users\Admin\AppData\Local\Temp\53a236823792eb5298247b0d7fb5080e200e721993be81b59c4faef90e99468c.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1716 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4848
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C:\Users\Admin\AppData\Local\Temp\53a236823792eb5298247b0d7fb5080e200e721993be81b59c4faef90e99468c.exe"C:\Users\Admin\AppData\Local\Temp\53a236823792eb5298247b0d7fb5080e200e721993be81b59c4faef90e99468c.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:4904 -
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:4872
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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:1604 -
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:484
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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:1124
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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:2340
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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:4584 -
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:4460
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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:464
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2304
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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:228
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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:5000
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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:4860
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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:2120
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:900 -
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:1672 -
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:484
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2680
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
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ee7736d751fd01813cbb57939f998bdb
SHA122289704402e726facf7d02046a37b06b4b2af84
SHA256df01736519309428f17a0362c705f6394fc3beb9d82d5746da81bc84a08a8e8e
SHA51273bbe36ef97cd6ad1c3fffe5e4eb330e58a00ca9cb3a658380a180d40f9d89c48ed5078ad9dcf2db2c7645f0fd074ba81620675a8e27e909a77e4fae1ba9170c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5834d48e6422b1b7fb81651e86446ce7a
SHA174e968bde956a23a4bcbef14faff9e4f5a855108
SHA25605632d78b5dc88768fd2f16162dadc62b22b77b0bf2c52f5164ef06169208f14
SHA5120aa1551fb1e7d0a80f2e3533cef56af76356df717bb30eaac75d0f0184ce24bdeab6456141ad2237ad657183fcd033703c322b251a9124ba4262b568c2fee89d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5667658ae44fb954d34d6fc4f7d6cb64c
SHA10500aa953cc54d792701dac86182bd135cf55a77
SHA25624c340efec6273cde861a9babe5dcfb48bcab0d5f68e0cb8a5da1f4d7d6de949
SHA512d55f963b9c340439d4f4f62ed004712da6611d73eecc5ce67109abfa6a980f3d90cfcd8d3525db3f698882e6e1aa05e6290119679795045d8bb0d27e7f1138b5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD571ebf2eb099388262494a7e249f72a98
SHA139b062f82c25247634caa3eeba2c1610eb7d515e
SHA256b5152cd28d9b1520065470cb6e27bd69f70778e29e75275acdca95b2cde8db87
SHA512654840c1269af08332956c4c46412e0426484280ba91fd92ff59d5dd2271655c6d9927e7e034c1b68a025ff5748305f82427fdb570548a78cf0eda9dc03a714a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52ab23747585f29e32dcca2f377de75c0
SHA114a857a822c5e122793e89c9c147ff128b2feae0
SHA256d9211a435e7dc3c3bdeae8f1eb8b6bef67a3065d8b418cbf82f00321228cd15f
SHA5120cf7c8b9ff91b8d31ffb1c43223da27073e4952f59179e1e202d4e044433b66af5884cdf870272932e480f448b26a2e2b3abc3449164448d718c001f5dc3b139
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Filesize
4.2MB
MD59590c0e7d5a44d31f0b6dc0a3b03a5b0
SHA1f85c67873bcc6467a1e94adf7680c01bd3781e88
SHA25653a236823792eb5298247b0d7fb5080e200e721993be81b59c4faef90e99468c
SHA51252f2003f33f7db8e147207f2a29d73627ef6b40ab90ff0bcf871f9ca4b7ce971f292d0e4e8fd78d49564fe4283264d4a700755348bc09ea775ab81a9a15e6b39
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec