Analysis
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max time kernel
150s -
max time network
146s -
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, 22:49
Static task
static1
Behavioral task
behavioral1
Sample
5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.exe
Resource
win10v2004-20240412-en
General
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Target
5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.exe
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Size
4.2MB
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MD5
592f08c552febfa8516b737bb0db08de
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SHA1
cd06fbc58a4834240a355dfc215f3c1a35fc9875
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SHA256
5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86
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SHA512
61ffe72c24441fc19d0549bdec857ceaffda276e78f319cc6b3452a5f688615ffd91a5fc4ba7accec9da38369f05be082437a6f1150326196cd8af5f26a70109
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SSDEEP
98304:3/40EOOAEftLoGWLNDgTXMgGOTrFzBqlMJaGItfGm:PdVQtLoTZDg5GO9Bqlce
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral2/memory/1700-2-0x0000000004060000-0x000000000494B000-memory.dmp family_glupteba behavioral2/memory/1700-3-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/4816-54-0x00000000040E0000-0x00000000049CB000-memory.dmp family_glupteba behavioral2/memory/1700-53-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/4816-56-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/4816-128-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/4816-148-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/1552-246-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/1552-255-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/1552-257-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/1552-259-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/1552-261-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/1552-263-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/1552-265-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/1552-267-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/1552-269-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/1552-271-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/1552-273-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/1552-275-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/1552-277-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4752 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1552 csrss.exe 2696 injector.exe 3852 windefender.exe 2372 windefender.exe -
resource yara_rule behavioral2/files/0x000100000002a9d2-249.dat upx behavioral2/memory/3852-254-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2372-256-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2372-260-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-834482027-582050234-2368284635-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.exe Set value (str) \REGISTRY\USER\S-1-5-21-834482027-582050234-2368284635-1000\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\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 File created 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 5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.exe File created C:\Windows\rss\csrss.exe 5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.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 4524 sc.exe -
Program crash 2 IoCs
pid pid_target Process procid_target 960 1700 WerFault.exe 78 2472 4816 WerFault.exe 86 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4392 schtasks.exe 432 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\@tzres.dll,-671 = "AUS Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-142 = "Canada Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-661 = "Cen. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-982 = "Kamchatka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time" 5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-41 = "E. South America Daylight Time" 5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-912 = "Mauritius Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2771 = "Omsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1832 = "Russia TZ 2 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time" 5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time" 5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates 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,-1501 = "Turkey Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" 5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" 5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-492 = "India Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-832 = "SA Eastern Standard 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,-2392 = "Aleutian Standard Time" 5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time" 5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople 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,-2412 = "Marquesas Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1892 = "Russia TZ 3 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-831 = "SA Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" 5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.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,-162 = "Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-111 = "Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-591 = "Malay Peninsula Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" 5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time" 5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-681 = "E. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-231 = "Hawaiian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2791 = "Novosibirsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2061 = "North Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-751 = "Tonga Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time" 5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.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\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time" 5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" 5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1822 = "Russia TZ 1 Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2611 = "Bougainville Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1932 = "Russia TZ 11 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" 5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" 5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.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,-792 = "SA Western Standard Time" 5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1844 powershell.exe 1844 powershell.exe 1700 5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.exe 1700 5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.exe 4712 powershell.exe 4712 powershell.exe 4816 5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.exe 4816 5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.exe 4816 5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.exe 4816 5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.exe 4816 5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.exe 4816 5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.exe 4816 5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.exe 4816 5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.exe 4816 5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.exe 4816 5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.exe 1364 powershell.exe 1364 powershell.exe 2652 powershell.exe 2652 powershell.exe 3312 powershell.exe 3312 powershell.exe 4068 powershell.exe 4068 powershell.exe 2176 powershell.exe 2176 powershell.exe 2696 injector.exe 2696 injector.exe 2696 injector.exe 2696 injector.exe 2696 injector.exe 2696 injector.exe 1552 csrss.exe 1552 csrss.exe 2696 injector.exe 2696 injector.exe 2696 injector.exe 2696 injector.exe 2696 injector.exe 2696 injector.exe 1552 csrss.exe 1552 csrss.exe 2696 injector.exe 2696 injector.exe 2696 injector.exe 2696 injector.exe 1552 csrss.exe 1552 csrss.exe 2696 injector.exe 2696 injector.exe 2696 injector.exe 2696 injector.exe 2696 injector.exe 2696 injector.exe 2696 injector.exe 2696 injector.exe 2696 injector.exe 2696 injector.exe 2696 injector.exe 2696 injector.exe 2696 injector.exe 2696 injector.exe 2696 injector.exe 2696 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1844 powershell.exe Token: SeDebugPrivilege 1700 5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.exe Token: SeImpersonatePrivilege 1700 5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.exe Token: SeDebugPrivilege 4712 powershell.exe Token: SeDebugPrivilege 1364 powershell.exe Token: SeDebugPrivilege 2652 powershell.exe Token: SeDebugPrivilege 3312 powershell.exe Token: SeDebugPrivilege 4068 powershell.exe Token: SeDebugPrivilege 2176 powershell.exe Token: SeSystemEnvironmentPrivilege 1552 csrss.exe Token: SeSecurityPrivilege 4524 sc.exe Token: SeSecurityPrivilege 4524 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1700 wrote to memory of 1844 1700 5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.exe 81 PID 1700 wrote to memory of 1844 1700 5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.exe 81 PID 1700 wrote to memory of 1844 1700 5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.exe 81 PID 4816 wrote to memory of 4712 4816 5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.exe 90 PID 4816 wrote to memory of 4712 4816 5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.exe 90 PID 4816 wrote to memory of 4712 4816 5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.exe 90 PID 4816 wrote to memory of 1556 4816 5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.exe 92 PID 4816 wrote to memory of 1556 4816 5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.exe 92 PID 1556 wrote to memory of 4752 1556 cmd.exe 94 PID 1556 wrote to memory of 4752 1556 cmd.exe 94 PID 4816 wrote to memory of 1364 4816 5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.exe 95 PID 4816 wrote to memory of 1364 4816 5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.exe 95 PID 4816 wrote to memory of 1364 4816 5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.exe 95 PID 4816 wrote to memory of 2652 4816 5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.exe 97 PID 4816 wrote to memory of 2652 4816 5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.exe 97 PID 4816 wrote to memory of 2652 4816 5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.exe 97 PID 4816 wrote to memory of 1552 4816 5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.exe 99 PID 4816 wrote to memory of 1552 4816 5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.exe 99 PID 4816 wrote to memory of 1552 4816 5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.exe 99 PID 1552 wrote to memory of 3312 1552 csrss.exe 102 PID 1552 wrote to memory of 3312 1552 csrss.exe 102 PID 1552 wrote to memory of 3312 1552 csrss.exe 102 PID 1552 wrote to memory of 4068 1552 csrss.exe 108 PID 1552 wrote to memory of 4068 1552 csrss.exe 108 PID 1552 wrote to memory of 4068 1552 csrss.exe 108 PID 1552 wrote to memory of 2176 1552 csrss.exe 110 PID 1552 wrote to memory of 2176 1552 csrss.exe 110 PID 1552 wrote to memory of 2176 1552 csrss.exe 110 PID 1552 wrote to memory of 2696 1552 csrss.exe 112 PID 1552 wrote to memory of 2696 1552 csrss.exe 112 PID 3852 wrote to memory of 2676 3852 windefender.exe 118 PID 3852 wrote to memory of 2676 3852 windefender.exe 118 PID 3852 wrote to memory of 2676 3852 windefender.exe 118 PID 2676 wrote to memory of 4524 2676 cmd.exe 119 PID 2676 wrote to memory of 4524 2676 cmd.exe 119 PID 2676 wrote to memory of 4524 2676 cmd.exe 119 -
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\5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.exe"C:\Users\Admin\AppData\Local\Temp\5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1700 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1844
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C:\Users\Admin\AppData\Local\Temp\5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.exe"C:\Users\Admin\AppData\Local\Temp\5c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86.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:4816 -
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:4712
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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:1556 -
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:4752
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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:1364
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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:2652
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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:1552 -
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:3312
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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:4392
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3860
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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:4068
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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:2176
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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:2696
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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:432
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3852 -
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:2676 -
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:4524
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4816 -s 8723⤵
- Program crash
PID:2472
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1700 -s 9442⤵
- Program crash
PID:960
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 1700 -ip 17001⤵PID:2244
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 4816 -ip 48161⤵PID:3828
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2372
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
MD5c5ab1a7d1497a2995c0f03116277fc22
SHA1a2bc65d046bdb0e2ea2ff4f35911c769a11dcf2f
SHA25642a69d8993c02a7cc55cbf23998f39e012c8c2302b699f6d407646a1ce098090
SHA5129144328280335f3885a6e907ac5a4b46e92e24694d58dc44968ae5b4f28f3737e2ef423dc99726da1d48a30f16fd858432c9164afbc35b8582409bb3cebc2154
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53c10a073b59afdbb722ba580ad4c0489
SHA149401ec4ddc176799b8839e442948445042067f7
SHA2561ef2d4a87d801fc1667835156565faeed124086054c46c2f3cd1a35ad2f5b3ad
SHA5121f60341cfbf9412b137774e760ab8b160d7f370ca9a2a141706a98d5ef5b2ad7c3b13fc048a5c6675e660c90a5338f321022ceffa260295a6c4a3f9787540f59
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD545e16ccad8141655c9c8360a7b5b5750
SHA11f7d91cb162e7439c6cad870beb6f49c8a9c5a86
SHA256aff63b98092ad0815058ae93bcf1e53aa0287933d1846108e57d0cc247ada3e7
SHA512317ca1538a50b9166042bbbaa5b923054b53ed7a89cb70932d81deaa49c97532ed1a737f08d8561a32772f9554a54ab8635f7f8110eb64119a8500f8f0c38ea0
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52c2284ee25a2b11026c41b0f8bff2a3b
SHA1b19e7bf2f2be3466a308566db7a43342a38f3177
SHA256ed1eedc3284b0c0bcf517c1865cd4ad949ec33e123cb2b85e1d77cf268dcb200
SHA512dbdb00b2c275bef851414176506b029a5382988bd328e07dc9ff1f4601a9541d6dbe85b97fcdc2c8dbb8b5f105ba1a2e911e44c25e99a2af9825368f5d2cc96b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55dabf3b7b16c4030747a170d1752f771
SHA116663101b15323d9914c84c311aa6cb3839de8ca
SHA2561c628c070fdd5f153b74ee23225ec7fa84ddd5b7d7292328548378be0449d403
SHA512b5d3e3d6fa8a180511baafde01ee904265ff009b73714c70eaa8b361f7e5d9d1bda170fc6ceec5c9ecc6b78b660715e2d318b75198d2b6ef2a22c30edae23e0b
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Filesize
4.2MB
MD5592f08c552febfa8516b737bb0db08de
SHA1cd06fbc58a4834240a355dfc215f3c1a35fc9875
SHA2565c4cbe34b106246972fe8abc7ca4c24c426210c4d45e988cb90df2a89b732a86
SHA51261ffe72c24441fc19d0549bdec857ceaffda276e78f319cc6b3452a5f688615ffd91a5fc4ba7accec9da38369f05be082437a6f1150326196cd8af5f26a70109
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec