Analysis
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max time kernel
149s -
max time network
147s -
platform
windows11-21h2_x64 -
resource
win11-20240412-en -
resource tags
arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system -
submitted
19/04/2024, 16:04
Static task
static1
Behavioral task
behavioral1
Sample
73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.exe
Resource
win10v2004-20240412-en
General
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Target
73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.exe
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Size
4.2MB
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MD5
e95ec308bcb51cbda0e87cf175527699
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SHA1
e7e2cb7995de5a9d8ffb4e6dbe608ffad20fbe7a
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SHA256
73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203
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SHA512
72fa0284dcd8578912fffdecacb2074b67c6ad77c6f90292099fbd1e54795aba14901a9ad099928b190b1ba060258662357458b28655a522b9d812a74ce4d41d
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SSDEEP
98304:noZCtMNcIJm/Wi5iI7vKblq/qDx6472PxO1xv/KiJe5:n3OuIEug7vwUGt7S+nKr
Malware Config
Signatures
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Glupteba payload 21 IoCs
resource yara_rule behavioral2/memory/980-2-0x00000000040A0000-0x000000000498B000-memory.dmp family_glupteba behavioral2/memory/980-3-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/2408-44-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/980-56-0x00000000040A0000-0x000000000498B000-memory.dmp family_glupteba behavioral2/memory/980-70-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/2408-122-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/1564-142-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/2408-198-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/1564-231-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/1564-242-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/1564-246-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/1564-250-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/1564-254-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/1564-258-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/1564-262-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/1564-266-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/1564-270-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/1564-274-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/1564-278-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/1564-282-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/1564-286-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3488 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1564 csrss.exe 4196 injector.exe 1104 windefender.exe 240 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa33-235.dat upx behavioral2/memory/1104-240-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/240-244-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/240-252-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2718508534-2116753757-2794822388-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.exe Set value (str) \REGISTRY\USER\S-1-5-21-2718508534-2116753757-2794822388-1000\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 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.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.exe File created C:\Windows\rss\csrss.exe 73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.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 3856 sc.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 912 1608 WerFault.exe 81 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2336 schtasks.exe 2028 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1021 = "Bangladesh Daylight Time" 73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2531 = "Chatham Islands Daylight Time" 73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1842 = "Russia TZ 4 Standard Time" 73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time" 73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-201 = "US Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" 73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.exe Key created \REGISTRY\USER\.DEFAULT\Software\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\26\52C64B7E\@tzres.dll,-2341 = "Haiti Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-334 = "Jordan Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-451 = "Caucasus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2751 = "Tomsk Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-222 = "Alaskan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-842 = "Argentina Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-11 = "Azores Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-182 = "Mountain Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1501 = "Turkey Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" 73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time" 73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates 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\26\52C64B7E\@tzres.dll,-602 = "Taipei Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time" 73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time" 73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 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\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-3051 = "Qyzylorda Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-272 = "Greenwich Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-542 = "Myanmar Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time" 73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time" 73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time" 73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-672 = "AUS Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2841 = "Saratov Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time" 73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs 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\26\52C64B7E\@tzres.dll,-291 = "Central European Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1412 = "Syria Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time" 73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" 73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time" 73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.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 (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-622 = "Korea Standard Time" 73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time" 73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time" 73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1608 powershell.exe 1608 powershell.exe 980 73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.exe 980 73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.exe 3532 powershell.exe 3532 powershell.exe 2408 73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.exe 2408 73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.exe 2408 73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.exe 2408 73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.exe 2408 73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.exe 2408 73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.exe 2408 73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.exe 2408 73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.exe 2408 73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.exe 2408 73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.exe 2036 powershell.exe 2036 powershell.exe 1780 powershell.exe 1780 powershell.exe 4960 powershell.exe 4960 powershell.exe 1608 powershell.exe 1608 powershell.exe 248 powershell.exe 248 powershell.exe 4196 injector.exe 4196 injector.exe 4196 injector.exe 4196 injector.exe 4196 injector.exe 4196 injector.exe 1564 csrss.exe 1564 csrss.exe 4196 injector.exe 4196 injector.exe 4196 injector.exe 4196 injector.exe 4196 injector.exe 4196 injector.exe 1564 csrss.exe 1564 csrss.exe 4196 injector.exe 4196 injector.exe 1564 csrss.exe 1564 csrss.exe 4196 injector.exe 4196 injector.exe 4196 injector.exe 4196 injector.exe 4196 injector.exe 4196 injector.exe 4196 injector.exe 4196 injector.exe 4196 injector.exe 4196 injector.exe 4196 injector.exe 4196 injector.exe 4196 injector.exe 4196 injector.exe 4196 injector.exe 4196 injector.exe 4196 injector.exe 4196 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1608 powershell.exe Token: SeDebugPrivilege 980 73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.exe Token: SeImpersonatePrivilege 980 73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.exe Token: SeDebugPrivilege 3532 powershell.exe Token: SeDebugPrivilege 2036 powershell.exe Token: SeDebugPrivilege 1780 powershell.exe Token: SeDebugPrivilege 4960 powershell.exe Token: SeDebugPrivilege 1608 powershell.exe Token: SeDebugPrivilege 248 powershell.exe Token: SeSystemEnvironmentPrivilege 1564 csrss.exe Token: SeSecurityPrivilege 3856 sc.exe Token: SeSecurityPrivilege 3856 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 980 wrote to memory of 1608 980 73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.exe 123 PID 980 wrote to memory of 1608 980 73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.exe 123 PID 980 wrote to memory of 1608 980 73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.exe 123 PID 2408 wrote to memory of 3532 2408 73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.exe 89 PID 2408 wrote to memory of 3532 2408 73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.exe 89 PID 2408 wrote to memory of 3532 2408 73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.exe 89 PID 2408 wrote to memory of 1916 2408 73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.exe 91 PID 2408 wrote to memory of 1916 2408 73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.exe 91 PID 1916 wrote to memory of 3488 1916 cmd.exe 93 PID 1916 wrote to memory of 3488 1916 cmd.exe 93 PID 2408 wrote to memory of 2036 2408 73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.exe 94 PID 2408 wrote to memory of 2036 2408 73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.exe 94 PID 2408 wrote to memory of 2036 2408 73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.exe 94 PID 2408 wrote to memory of 1780 2408 73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.exe 96 PID 2408 wrote to memory of 1780 2408 73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.exe 96 PID 2408 wrote to memory of 1780 2408 73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.exe 96 PID 2408 wrote to memory of 1564 2408 73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.exe 98 PID 2408 wrote to memory of 1564 2408 73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.exe 98 PID 2408 wrote to memory of 1564 2408 73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.exe 98 PID 1564 wrote to memory of 4960 1564 csrss.exe 99 PID 1564 wrote to memory of 4960 1564 csrss.exe 99 PID 1564 wrote to memory of 4960 1564 csrss.exe 99 PID 1564 wrote to memory of 1608 1564 csrss.exe 123 PID 1564 wrote to memory of 1608 1564 csrss.exe 123 PID 1564 wrote to memory of 1608 1564 csrss.exe 123 PID 1564 wrote to memory of 248 1564 csrss.exe 107 PID 1564 wrote to memory of 248 1564 csrss.exe 107 PID 1564 wrote to memory of 248 1564 csrss.exe 107 PID 1564 wrote to memory of 4196 1564 csrss.exe 109 PID 1564 wrote to memory of 4196 1564 csrss.exe 109 PID 1104 wrote to memory of 3408 1104 windefender.exe 115 PID 1104 wrote to memory of 3408 1104 windefender.exe 115 PID 1104 wrote to memory of 3408 1104 windefender.exe 115 PID 3408 wrote to memory of 3856 3408 cmd.exe 116 PID 3408 wrote to memory of 3856 3408 cmd.exe 116 PID 3408 wrote to memory of 3856 3408 cmd.exe 116 -
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\73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.exe"C:\Users\Admin\AppData\Local\Temp\73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:980 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1608 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1608 -s 26043⤵
- Program crash
PID:912
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C:\Users\Admin\AppData\Local\Temp\73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.exe"C:\Users\Admin\AppData\Local\Temp\73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.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:2408 -
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:3532
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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:1916 -
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:3488
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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:2036
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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:1780
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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:1564 -
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:4960
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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:2336
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4988
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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:1608
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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:248
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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:4196
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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:2028
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1104 -
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:3408 -
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:3856
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1608 -ip 16081⤵PID:3596
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:240
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C:\Windows\system32\BackgroundTransferHost.exe"BackgroundTransferHost.exe" -ServerName:BackgroundTransferHost.11⤵PID:1608
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
MD544df6c56b282d294445e47c495ac070c
SHA1018243c30c2f78a82bfae3761ccc6618ecc34a05
SHA25648fee724aa0ae4a9580b6264498f5cfa7829ece6eb13a88d0ef224277f4ad116
SHA512c427b97a2903af0b941eed7154069fa0f9240cf226b00a2f1357756aa1308ace3b8d32f689a4704a11e895e72c5991ce322934d18b8d7ca83ec87158bc6283f2
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f98b53f20d0a9066ac98d90d426818c9
SHA151427984829ba05e9bf158385230cdc95c448a1c
SHA2569685df8a928ee00ba1c5c82912bb9a51b3a6005f670d880652d8096a4c11ca16
SHA512c2d34dd65a4b3a1da6abbcd884ca0a8ed3baab8b355db247d7bea3fcc6742eb6bdbbedaf5c6b2cca75723d3debb0c84628feea28186a2a6a1adaffdcf9107110
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD533e46ee8a48275c3c02efea8afedff84
SHA180f15e70447a44f3433e2d0d988c6b0458fa4c26
SHA2560dc0ccc9e815865b41ba4e17599c99e66bae555af9989bdd5a5cdad525331591
SHA5126dc33458216bc6fe98c4c2ca51fbc0c2a44f68b48d6257851faf4deda943d04759b301d7b2f6dee4d642a1ec5d1f23cf6f7cc27022ad952fee991dd1b51d032f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD573078e73d2fe41af92ab8e5ff86b9bbf
SHA18545d8811c6131895b287de2a48577079dde5f94
SHA256bc1802813a16b8d74a236bcccb4d7d86b37b50fbbc81011e70be463f8f8664ea
SHA51219a912e7e3281aa115ccff84d45997f5fd523a22cb27994d10f0c8b295959e4c89c7749b71796815a69503947f2b7325a6ada18b101f6c3fb91f289572521fa3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5cd49d51285ac84ed7921e0a9ec21ad25
SHA168b5c9f4a321564c0f467561225d999b81fd76e1
SHA25636917b0b1e6531d36af347eb466a088c4e42aedd691a183591c58972818ac7e4
SHA512526574b00795603de1f8efe007a33490374a245dec541c2fd3a9ff2b208c45ec227698336320cce8106c1cfd105b91fd54aa823611386331a601117922ce3901
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Filesize
4.2MB
MD5e95ec308bcb51cbda0e87cf175527699
SHA1e7e2cb7995de5a9d8ffb4e6dbe608ffad20fbe7a
SHA25673ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203
SHA51272fa0284dcd8578912fffdecacb2074b67c6ad77c6f90292099fbd1e54795aba14901a9ad099928b190b1ba060258662357458b28655a522b9d812a74ce4d41d
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec