Analysis
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max time kernel
150s -
max time network
124s -
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, 18:04
Static task
static1
Behavioral task
behavioral1
Sample
df8b7d55111ef8311fe85ffac0fb5be0b404739985d56ffd93aaba3311f3e140.exe
Resource
win10v2004-20240412-en
General
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Target
df8b7d55111ef8311fe85ffac0fb5be0b404739985d56ffd93aaba3311f3e140.exe
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Size
4.2MB
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MD5
08dc3333bd8bd2ff601a9d461a62ac69
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SHA1
4d29e94533c6b31b9d29aefc9fcc7de99e510aeb
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SHA256
df8b7d55111ef8311fe85ffac0fb5be0b404739985d56ffd93aaba3311f3e140
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SHA512
19606962ed24e2046d8c1717f55ad10782f22d54bf609076adbc47dfe7de14588b9f44500730d4cb33af143e156a9644437d8728899a191143f5d7d0f206e631
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SSDEEP
98304:NBy5JAu+Hk0Et5Mgg8VWlfA2+5+VVv7Fm6fCG:GAu+ENnjVyYiVNw4j
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/1384-2-0x0000000004250000-0x0000000004B3B000-memory.dmp family_glupteba behavioral2/memory/1384-3-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/3416-54-0x0000000003FF0000-0x00000000048DB000-memory.dmp family_glupteba behavioral2/memory/3416-55-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/1384-79-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/3416-147-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/4152-245-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/4152-255-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/4152-258-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/4152-261-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/4152-264-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/4152-267-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/4152-270-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/4152-273-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/4152-276-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/4152-279-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/4152-282-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/4152-285-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/4152-288-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4816 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4152 csrss.exe 4100 injector.exe 2340 windefender.exe 2492 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa06-248.dat upx behavioral2/memory/2340-254-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2492-257-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2492-263-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-801765966-3955847401-2235691403-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" df8b7d55111ef8311fe85ffac0fb5be0b404739985d56ffd93aaba3311f3e140.exe Set value (str) \REGISTRY\USER\S-1-5-21-801765966-3955847401-2235691403-1000\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 df8b7d55111ef8311fe85ffac0fb5be0b404739985d56ffd93aaba3311f3e140.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss df8b7d55111ef8311fe85ffac0fb5be0b404739985d56ffd93aaba3311f3e140.exe File created C:\Windows\rss\csrss.exe df8b7d55111ef8311fe85ffac0fb5be0b404739985d56ffd93aaba3311f3e140.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 3988 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 2180 schtasks.exe 668 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs 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,-282 = "Central Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-212 = "Pacific Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-622 = "Korea Standard Time" df8b7d55111ef8311fe85ffac0fb5be0b404739985d56ffd93aaba3311f3e140.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-841 = "Argentina Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-72 = "Newfoundland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time" df8b7d55111ef8311fe85ffac0fb5be0b404739985d56ffd93aaba3311f3e140.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time" df8b7d55111ef8311fe85ffac0fb5be0b404739985d56ffd93aaba3311f3e140.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" df8b7d55111ef8311fe85ffac0fb5be0b404739985d56ffd93aaba3311f3e140.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-732 = "Fiji Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2452 = "Saint Pierre Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-3141 = "South Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-132 = "US Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time" df8b7d55111ef8311fe85ffac0fb5be0b404739985d56ffd93aaba3311f3e140.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-202 = "US Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time" df8b7d55111ef8311fe85ffac0fb5be0b404739985d56ffd93aaba3311f3e140.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time" df8b7d55111ef8311fe85ffac0fb5be0b404739985d56ffd93aaba3311f3e140.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" df8b7d55111ef8311fe85ffac0fb5be0b404739985d56ffd93aaba3311f3e140.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs 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\26\52C64B7E\@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time" df8b7d55111ef8311fe85ffac0fb5be0b404739985d56ffd93aaba3311f3e140.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time" df8b7d55111ef8311fe85ffac0fb5be0b404739985d56ffd93aaba3311f3e140.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" df8b7d55111ef8311fe85ffac0fb5be0b404739985d56ffd93aaba3311f3e140.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2181 = "Astrakhan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-364 = "Middle East Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2631 = "Norfolk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time" df8b7d55111ef8311fe85ffac0fb5be0b404739985d56ffd93aaba3311f3e140.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust 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\26\52C64B7E\@tzres.dll,-361 = "GTB Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time" df8b7d55111ef8311fe85ffac0fb5be0b404739985d56ffd93aaba3311f3e140.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time" df8b7d55111ef8311fe85ffac0fb5be0b404739985d56ffd93aaba3311f3e140.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time" df8b7d55111ef8311fe85ffac0fb5be0b404739985d56ffd93aaba3311f3e140.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" df8b7d55111ef8311fe85ffac0fb5be0b404739985d56ffd93aaba3311f3e140.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time" df8b7d55111ef8311fe85ffac0fb5be0b404739985d56ffd93aaba3311f3e140.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time" df8b7d55111ef8311fe85ffac0fb5be0b404739985d56ffd93aaba3311f3e140.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" df8b7d55111ef8311fe85ffac0fb5be0b404739985d56ffd93aaba3311f3e140.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot 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\26\52C64B7E\@tzres.dll,-2432 = "Cuba Standard Time" windefender.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" df8b7d55111ef8311fe85ffac0fb5be0b404739985d56ffd93aaba3311f3e140.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" df8b7d55111ef8311fe85ffac0fb5be0b404739985d56ffd93aaba3311f3e140.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-42 = "E. South America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" df8b7d55111ef8311fe85ffac0fb5be0b404739985d56ffd93aaba3311f3e140.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2952 powershell.exe 2952 powershell.exe 1384 df8b7d55111ef8311fe85ffac0fb5be0b404739985d56ffd93aaba3311f3e140.exe 1384 df8b7d55111ef8311fe85ffac0fb5be0b404739985d56ffd93aaba3311f3e140.exe 2404 powershell.exe 2404 powershell.exe 3416 df8b7d55111ef8311fe85ffac0fb5be0b404739985d56ffd93aaba3311f3e140.exe 3416 df8b7d55111ef8311fe85ffac0fb5be0b404739985d56ffd93aaba3311f3e140.exe 3416 df8b7d55111ef8311fe85ffac0fb5be0b404739985d56ffd93aaba3311f3e140.exe 3416 df8b7d55111ef8311fe85ffac0fb5be0b404739985d56ffd93aaba3311f3e140.exe 3416 df8b7d55111ef8311fe85ffac0fb5be0b404739985d56ffd93aaba3311f3e140.exe 3416 df8b7d55111ef8311fe85ffac0fb5be0b404739985d56ffd93aaba3311f3e140.exe 3416 df8b7d55111ef8311fe85ffac0fb5be0b404739985d56ffd93aaba3311f3e140.exe 3416 df8b7d55111ef8311fe85ffac0fb5be0b404739985d56ffd93aaba3311f3e140.exe 3416 df8b7d55111ef8311fe85ffac0fb5be0b404739985d56ffd93aaba3311f3e140.exe 3416 df8b7d55111ef8311fe85ffac0fb5be0b404739985d56ffd93aaba3311f3e140.exe 3712 powershell.exe 3712 powershell.exe 4796 powershell.exe 4796 powershell.exe 3680 powershell.exe 3680 powershell.exe 3664 powershell.exe 3664 powershell.exe 3448 powershell.exe 3448 powershell.exe 4100 injector.exe 4100 injector.exe 4100 injector.exe 4100 injector.exe 4100 injector.exe 4100 injector.exe 4152 csrss.exe 4152 csrss.exe 4100 injector.exe 4100 injector.exe 4100 injector.exe 4100 injector.exe 4100 injector.exe 4100 injector.exe 4152 csrss.exe 4152 csrss.exe 4100 injector.exe 4100 injector.exe 4100 injector.exe 4100 injector.exe 4152 csrss.exe 4152 csrss.exe 4100 injector.exe 4100 injector.exe 4100 injector.exe 4100 injector.exe 4100 injector.exe 4100 injector.exe 4100 injector.exe 4100 injector.exe 4100 injector.exe 4100 injector.exe 4100 injector.exe 4100 injector.exe 4100 injector.exe 4100 injector.exe 4100 injector.exe 4100 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2952 powershell.exe Token: SeDebugPrivilege 1384 df8b7d55111ef8311fe85ffac0fb5be0b404739985d56ffd93aaba3311f3e140.exe Token: SeImpersonatePrivilege 1384 df8b7d55111ef8311fe85ffac0fb5be0b404739985d56ffd93aaba3311f3e140.exe Token: SeDebugPrivilege 2404 powershell.exe Token: SeDebugPrivilege 3712 powershell.exe Token: SeDebugPrivilege 4796 powershell.exe Token: SeDebugPrivilege 3680 powershell.exe Token: SeDebugPrivilege 3664 powershell.exe Token: SeDebugPrivilege 3448 powershell.exe Token: SeSystemEnvironmentPrivilege 4152 csrss.exe Token: SeSecurityPrivilege 3988 sc.exe Token: SeSecurityPrivilege 3988 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1384 wrote to memory of 2952 1384 df8b7d55111ef8311fe85ffac0fb5be0b404739985d56ffd93aaba3311f3e140.exe 81 PID 1384 wrote to memory of 2952 1384 df8b7d55111ef8311fe85ffac0fb5be0b404739985d56ffd93aaba3311f3e140.exe 81 PID 1384 wrote to memory of 2952 1384 df8b7d55111ef8311fe85ffac0fb5be0b404739985d56ffd93aaba3311f3e140.exe 81 PID 3416 wrote to memory of 2404 3416 df8b7d55111ef8311fe85ffac0fb5be0b404739985d56ffd93aaba3311f3e140.exe 86 PID 3416 wrote to memory of 2404 3416 df8b7d55111ef8311fe85ffac0fb5be0b404739985d56ffd93aaba3311f3e140.exe 86 PID 3416 wrote to memory of 2404 3416 df8b7d55111ef8311fe85ffac0fb5be0b404739985d56ffd93aaba3311f3e140.exe 86 PID 3416 wrote to memory of 1952 3416 df8b7d55111ef8311fe85ffac0fb5be0b404739985d56ffd93aaba3311f3e140.exe 88 PID 3416 wrote to memory of 1952 3416 df8b7d55111ef8311fe85ffac0fb5be0b404739985d56ffd93aaba3311f3e140.exe 88 PID 1952 wrote to memory of 4816 1952 cmd.exe 90 PID 1952 wrote to memory of 4816 1952 cmd.exe 90 PID 3416 wrote to memory of 3712 3416 df8b7d55111ef8311fe85ffac0fb5be0b404739985d56ffd93aaba3311f3e140.exe 91 PID 3416 wrote to memory of 3712 3416 df8b7d55111ef8311fe85ffac0fb5be0b404739985d56ffd93aaba3311f3e140.exe 91 PID 3416 wrote to memory of 3712 3416 df8b7d55111ef8311fe85ffac0fb5be0b404739985d56ffd93aaba3311f3e140.exe 91 PID 3416 wrote to memory of 4796 3416 df8b7d55111ef8311fe85ffac0fb5be0b404739985d56ffd93aaba3311f3e140.exe 93 PID 3416 wrote to memory of 4796 3416 df8b7d55111ef8311fe85ffac0fb5be0b404739985d56ffd93aaba3311f3e140.exe 93 PID 3416 wrote to memory of 4796 3416 df8b7d55111ef8311fe85ffac0fb5be0b404739985d56ffd93aaba3311f3e140.exe 93 PID 3416 wrote to memory of 4152 3416 df8b7d55111ef8311fe85ffac0fb5be0b404739985d56ffd93aaba3311f3e140.exe 95 PID 3416 wrote to memory of 4152 3416 df8b7d55111ef8311fe85ffac0fb5be0b404739985d56ffd93aaba3311f3e140.exe 95 PID 3416 wrote to memory of 4152 3416 df8b7d55111ef8311fe85ffac0fb5be0b404739985d56ffd93aaba3311f3e140.exe 95 PID 4152 wrote to memory of 3680 4152 csrss.exe 96 PID 4152 wrote to memory of 3680 4152 csrss.exe 96 PID 4152 wrote to memory of 3680 4152 csrss.exe 96 PID 4152 wrote to memory of 3664 4152 csrss.exe 102 PID 4152 wrote to memory of 3664 4152 csrss.exe 102 PID 4152 wrote to memory of 3664 4152 csrss.exe 102 PID 4152 wrote to memory of 3448 4152 csrss.exe 104 PID 4152 wrote to memory of 3448 4152 csrss.exe 104 PID 4152 wrote to memory of 3448 4152 csrss.exe 104 PID 4152 wrote to memory of 4100 4152 csrss.exe 106 PID 4152 wrote to memory of 4100 4152 csrss.exe 106 PID 2340 wrote to memory of 3268 2340 windefender.exe 112 PID 2340 wrote to memory of 3268 2340 windefender.exe 112 PID 2340 wrote to memory of 3268 2340 windefender.exe 112 PID 3268 wrote to memory of 3988 3268 cmd.exe 113 PID 3268 wrote to memory of 3988 3268 cmd.exe 113 PID 3268 wrote to memory of 3988 3268 cmd.exe 113 -
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\df8b7d55111ef8311fe85ffac0fb5be0b404739985d56ffd93aaba3311f3e140.exe"C:\Users\Admin\AppData\Local\Temp\df8b7d55111ef8311fe85ffac0fb5be0b404739985d56ffd93aaba3311f3e140.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1384 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2952
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C:\Users\Admin\AppData\Local\Temp\df8b7d55111ef8311fe85ffac0fb5be0b404739985d56ffd93aaba3311f3e140.exe"C:\Users\Admin\AppData\Local\Temp\df8b7d55111ef8311fe85ffac0fb5be0b404739985d56ffd93aaba3311f3e140.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:3416 -
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:2404
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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:1952 -
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:4816
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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:3712
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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:4796
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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:4152 -
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:3680
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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:2180
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1232
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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:3664
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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:3448
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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:4100
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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:668
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2340 -
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:3268 -
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:3988
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2492
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
MD5e286bc190038022102b8ffcc362b39b3
SHA124aaadd9d1e8e33427bc6e123dc5d9793ee8e44f
SHA2568e59bbe3c49d4501b296001571bb4b339ebda10ce3452dcfcd8f055526d2b76e
SHA5125a2242b285e659e918ceacf6c7e097f27497256f73a6f5e1c99d07207bd931c7e794d61e0c3cd56c6b680e579213372eedd066274dbd349f24f21d4d1120e62a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5866cacd13b96be0626e7fc6b501e19b6
SHA11c4e3610bab8ac0b7cde11b8571d13c92138439d
SHA256c61e68d14afe628bbcf52007a12a92f129542f8f68c442cfa1c250cf2ca1cada
SHA5125c0ba2d6ae2ae373ef2effc14437c8cc9ef2a97614d1d37f026f4991a346da3202769873dec4cf6b970b481540d2ef70cbe7884188575c2679ba8b437772f0f6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD537cea801a25d2c8925c6408865e9a009
SHA14cdbda112131252232d39a22718fd55cdcad3661
SHA256505f00bc73b01ea60c9a7dd5fce123e5818b1027f67e5db5412e0fd6168cace5
SHA5127644ad0d0cb464d24b0e9cdbe69e8e8a19acbcb3bcd2e7c771c69ae0cdab9000dc73b585e68b0ede8711308c282dbfff1f18c630592b5d989a2c03c90a102bdd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD528a3fb97deecd4cda9db9fcdc8ed2f15
SHA1e4720e1e5ea45f045db2f5676b828104dbe2ad6b
SHA25626edbc59e92d2b390fbac68a366efb82e784b2a22e15e1b4b1b5b27991db5ffa
SHA512c47b0454ec266ea2e9d0fe4bc8697025f90c00fce2fc7d14640fc8adb2a1657bd303ef76df029e5fe479680d2051934307cf882a167a324212005d73d20b3067
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56aa79d2782b8e73d95763714f0223b8c
SHA1417cba1a1886284c03214a93e1c93af9f591fdc4
SHA256daa907018fec5317dc96ef219a49a2b281357dc68268f704e127b6f13158b3d8
SHA512195f2d4afaa81f4d2272e06897c2cb6d4939cf9a624f5487b365d74e7825bfadd5addb358cf340f8d64a4bde3f94c3331e19b643647e99a7d316ede826f49a1c
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Filesize
4.2MB
MD508dc3333bd8bd2ff601a9d461a62ac69
SHA14d29e94533c6b31b9d29aefc9fcc7de99e510aeb
SHA256df8b7d55111ef8311fe85ffac0fb5be0b404739985d56ffd93aaba3311f3e140
SHA51219606962ed24e2046d8c1717f55ad10782f22d54bf609076adbc47dfe7de14588b9f44500730d4cb33af143e156a9644437d8728899a191143f5d7d0f206e631
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec