Analysis
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max time kernel
150s -
max time network
145s -
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, 22:43
Static task
static1
Behavioral task
behavioral1
Sample
b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.exe
Resource
win10v2004-20240412-en
General
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Target
b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.exe
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Size
4.2MB
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MD5
26e6411d7a0c48c6eeb8c754597c3780
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SHA1
5054f7863baed1540d99353fb7574fbbaed8ebb6
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SHA256
b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398
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SHA512
720324576e066820aead1cc2d40348701ad58e69789757c82452cbb5b898f4b037dc1d1f17ac88fb8e1c86e5f74d4ef3dd15178a9ce8d2ecd5e06f232edde157
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SSDEEP
98304:f/40EOOAEftLoGWLNDgTXMgGOTrFzBqlMJaGItfGk:XdVQtLoTZDg5GO9BqlcM
Malware Config
Signatures
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Glupteba payload 22 IoCs
resource yara_rule behavioral2/memory/3328-2-0x0000000004110000-0x00000000049FB000-memory.dmp family_glupteba behavioral2/memory/3328-3-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/3328-51-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/4320-55-0x0000000004050000-0x000000000493B000-memory.dmp family_glupteba behavioral2/memory/3328-54-0x0000000004110000-0x00000000049FB000-memory.dmp family_glupteba behavioral2/memory/4320-56-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/4320-100-0x0000000003C50000-0x000000000404B000-memory.dmp family_glupteba behavioral2/memory/4320-127-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/4320-148-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/2412-245-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/2412-254-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/2412-256-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/2412-258-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/2412-260-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/2412-262-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/2412-263-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/2412-266-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/2412-268-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/2412-270-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/2412-272-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/2412-273-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/2412-276-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1688 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2412 csrss.exe 812 injector.exe 3708 windefender.exe 4080 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa0b-249.dat upx behavioral2/memory/3708-252-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4080-255-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4080-259-0x0000000000400000-0x00000000008DF000-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\"" b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.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 opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe 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 b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.exe File created C:\Windows\rss\csrss.exe b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.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 1320 sc.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 3660 4320 WerFault.exe 82 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 584 schtasks.exe 1596 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process 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,-891 = "Morocco Daylight 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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time" b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.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" b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time" b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA 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,-448 = "Azerbaijan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-91 = "Pacific SA Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2512 = "Lord Howe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2412 = "Marquesas Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe 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,-11 = "Azores Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-262 = "GMT Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-92 = "Pacific SA Standard 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,-441 = "Arabian Daylight Time" b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time" b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2491 = "Aus Central W. Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2591 = "Tocantins Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time" b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1872 = "Russia TZ 7 Standard Time" b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time" b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1862 = "Russia TZ 6 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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-532 = "Sri Lanka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time" b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. Standard Time" b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)" b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-461 = "Afghanistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-441 = "Arabian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time" b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.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,-622 = "Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2941 = "Sao Tome Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-392 = "Arab Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3216 powershell.exe 3216 powershell.exe 3328 b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.exe 3328 b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.exe 352 powershell.exe 352 powershell.exe 4320 b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.exe 4320 b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.exe 4320 b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.exe 4320 b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.exe 4320 b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.exe 4320 b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.exe 4320 b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.exe 4320 b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.exe 4320 b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.exe 4320 b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.exe 4780 powershell.exe 4780 powershell.exe 2572 powershell.exe 2572 powershell.exe 228 powershell.exe 228 powershell.exe 4764 powershell.exe 4764 powershell.exe 2844 powershell.exe 2844 powershell.exe 812 injector.exe 812 injector.exe 812 injector.exe 812 injector.exe 812 injector.exe 812 injector.exe 2412 csrss.exe 2412 csrss.exe 812 injector.exe 812 injector.exe 812 injector.exe 812 injector.exe 812 injector.exe 812 injector.exe 2412 csrss.exe 2412 csrss.exe 812 injector.exe 812 injector.exe 812 injector.exe 812 injector.exe 812 injector.exe 812 injector.exe 812 injector.exe 812 injector.exe 812 injector.exe 812 injector.exe 2412 csrss.exe 2412 csrss.exe 812 injector.exe 812 injector.exe 812 injector.exe 812 injector.exe 812 injector.exe 812 injector.exe 812 injector.exe 812 injector.exe 812 injector.exe 812 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3216 powershell.exe Token: SeDebugPrivilege 3328 b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.exe Token: SeImpersonatePrivilege 3328 b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.exe Token: SeDebugPrivilege 352 powershell.exe Token: SeDebugPrivilege 4780 powershell.exe Token: SeDebugPrivilege 2572 powershell.exe Token: SeDebugPrivilege 228 powershell.exe Token: SeDebugPrivilege 4764 powershell.exe Token: SeDebugPrivilege 2844 powershell.exe Token: SeSystemEnvironmentPrivilege 2412 csrss.exe Token: SeSecurityPrivilege 1320 sc.exe Token: SeSecurityPrivilege 1320 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3328 wrote to memory of 3216 3328 b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.exe 78 PID 3328 wrote to memory of 3216 3328 b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.exe 78 PID 3328 wrote to memory of 3216 3328 b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.exe 78 PID 4320 wrote to memory of 352 4320 b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.exe 83 PID 4320 wrote to memory of 352 4320 b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.exe 83 PID 4320 wrote to memory of 352 4320 b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.exe 83 PID 4320 wrote to memory of 3780 4320 b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.exe 85 PID 4320 wrote to memory of 3780 4320 b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.exe 85 PID 3780 wrote to memory of 1688 3780 cmd.exe 87 PID 3780 wrote to memory of 1688 3780 cmd.exe 87 PID 4320 wrote to memory of 4780 4320 b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.exe 88 PID 4320 wrote to memory of 4780 4320 b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.exe 88 PID 4320 wrote to memory of 4780 4320 b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.exe 88 PID 4320 wrote to memory of 2572 4320 b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.exe 90 PID 4320 wrote to memory of 2572 4320 b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.exe 90 PID 4320 wrote to memory of 2572 4320 b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.exe 90 PID 4320 wrote to memory of 2412 4320 b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.exe 92 PID 4320 wrote to memory of 2412 4320 b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.exe 92 PID 4320 wrote to memory of 2412 4320 b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.exe 92 PID 2412 wrote to memory of 228 2412 csrss.exe 96 PID 2412 wrote to memory of 228 2412 csrss.exe 96 PID 2412 wrote to memory of 228 2412 csrss.exe 96 PID 2412 wrote to memory of 4764 2412 csrss.exe 102 PID 2412 wrote to memory of 4764 2412 csrss.exe 102 PID 2412 wrote to memory of 4764 2412 csrss.exe 102 PID 2412 wrote to memory of 2844 2412 csrss.exe 104 PID 2412 wrote to memory of 2844 2412 csrss.exe 104 PID 2412 wrote to memory of 2844 2412 csrss.exe 104 PID 2412 wrote to memory of 812 2412 csrss.exe 106 PID 2412 wrote to memory of 812 2412 csrss.exe 106 PID 3708 wrote to memory of 2292 3708 windefender.exe 112 PID 3708 wrote to memory of 2292 3708 windefender.exe 112 PID 3708 wrote to memory of 2292 3708 windefender.exe 112 PID 2292 wrote to memory of 1320 2292 cmd.exe 113 PID 2292 wrote to memory of 1320 2292 cmd.exe 113 PID 2292 wrote to memory of 1320 2292 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\b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.exe"C:\Users\Admin\AppData\Local\Temp\b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3328 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3216
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C:\Users\Admin\AppData\Local\Temp\b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.exe"C:\Users\Admin\AppData\Local\Temp\b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.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:4320 -
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:352
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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:3780 -
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:1688
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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:4780
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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:2572
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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:2412 -
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\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:584
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1840
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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:4764
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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:2844
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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:812
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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:1596
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3708 -
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:2292 -
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:1320
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4320 -s 8883⤵
- Program crash
PID:3660
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4320 -ip 43201⤵PID:4092
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4080
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
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55e012300b5539d2ed62130d847f93bb5
SHA1e34c6e217ea29d279a57e50431f8607739ea1ef5
SHA256c239be39f5959f118b134d49a21f4a5913544be174112f11ecdda87d7cd176b5
SHA512a3ba132d4d361d775b2371ecea1ca380482268591c88b1d48a220f9715b8ad9b589145239819f4114f31935f8c6664bf8221a469249a01b0a424a41393d0d356
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d03ce5f3d21cdeb2222712b69052a350
SHA185ffcc73ced81b20571a9be26789c09f3911a213
SHA25618e9709b1aa3d70bc4f38bfcf4e4c71ea203a47930c7f25533bef8db55911c75
SHA512d034df2c73c5ec0475c77cf961638f2c8ca475ec50545cbd4a910589cf677285f8591885dc0d17300742584a076eef0922e571837a2e64f1b5cb6e24005e42b1
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56fb7369de513bafcc1c15be1212e94a5
SHA1b5e4db4c64cfbec3aed0df857fda5791e507bf1d
SHA25675f732468ea9c192213e8ce5c4ff33f07d2589f5a7715a0642097e57f2267b80
SHA512c6f0826fcbff3a691c1b9d52c691d327277d69d09a14fd2c75ee51402470c0bce68122ec220cf8595316322c28e4713d0b0d4c6dfdbd6c4cf06009e0980d6116
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c1ac01793bf614755dba5423eafb4a67
SHA123d6a299bad96d8e0436960389ec9fb1d2a81c3f
SHA2561318fa520c69e63253d8384821b97c944414951dd83524f6b3b6ee51be84e595
SHA51262d9a4fe573c34a7cca69ba9591ca499feb36bdb67d7193c827da6c098ce4d0daf5fb8a9984aa4c852d5b37619c3097d59bb6f6695dcb1fccaf5e37eb171bb0b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f577d75d5d6d17d337f8c5d923ba36e6
SHA11a2ed7ca1ab7e67f19ed35d941059a99bb873a5d
SHA2562349d822e73dc5160e5300cc574dd685d2be38c4ee90c3c0001ec0e6edb5b7bb
SHA512706a859c41582a4546e233913bf788407935b997bd6839f9546fa413c27b35115c390c9d27bcbed4837831d5423349a4515f473976d709295835637422853b4e
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Filesize
4.2MB
MD526e6411d7a0c48c6eeb8c754597c3780
SHA15054f7863baed1540d99353fb7574fbbaed8ebb6
SHA256b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398
SHA512720324576e066820aead1cc2d40348701ad58e69789757c82452cbb5b898f4b037dc1d1f17ac88fb8e1c86e5f74d4ef3dd15178a9ce8d2ecd5e06f232edde157
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec