Analysis
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max time kernel
149s -
max time network
152s -
platform
windows11-21h2_x64 -
resource
win11-20240419-en -
resource tags
arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system -
submitted
19-05-2024 01:31
Static task
static1
Behavioral task
behavioral1
Sample
88365e9d60596063c013f6f7db123a7d8c51ddd4702c02e387c96254c2e371eb.exe
Resource
win10v2004-20240426-en
General
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Target
88365e9d60596063c013f6f7db123a7d8c51ddd4702c02e387c96254c2e371eb.exe
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Size
4.1MB
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MD5
44de4b4d95c61e9e0be947bd8006de68
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SHA1
3c2e7e5ad27de2dae531d9e0663f59961ddcbd51
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SHA256
88365e9d60596063c013f6f7db123a7d8c51ddd4702c02e387c96254c2e371eb
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SHA512
a8208c724dd570f567e2669ce1f766ac4757efed135de14c87df4e7e10c4a2282aa103906d9e39a8fde615cb47fddd4cc2c51bd9e1506bf3db323c5e772cd557
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SSDEEP
98304:yf+oTi6061rsx4yGF2uQjPQS21lHMnsqkLrDDcuTdH2a0g7PFn:Bos8riuQnYS21lsngzdH/0gp
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/3564-2-0x0000000004A10000-0x00000000052FB000-memory.dmp family_glupteba behavioral2/memory/3564-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3564-109-0x0000000004A10000-0x00000000052FB000-memory.dmp family_glupteba behavioral2/memory/3564-108-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/3564-171-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1572-170-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/484-201-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/484-213-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/484-217-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/484-221-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/484-225-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/484-229-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/484-233-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/484-237-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/484-241-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/484-245-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/484-249-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/484-253-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/484-257-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1540 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 484 csrss.exe 3124 injector.exe 2864 windefender.exe 4988 windefender.exe -
resource yara_rule behavioral2/files/0x001a00000002ab2a-205.dat upx behavioral2/memory/2864-206-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4988-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2864-212-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4988-216-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4988-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4988-236-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 88365e9d60596063c013f6f7db123a7d8c51ddd4702c02e387c96254c2e371eb.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 88365e9d60596063c013f6f7db123a7d8c51ddd4702c02e387c96254c2e371eb.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 88365e9d60596063c013f6f7db123a7d8c51ddd4702c02e387c96254c2e371eb.exe File created C:\Windows\rss\csrss.exe 88365e9d60596063c013f6f7db123a7d8c51ddd4702c02e387c96254c2e371eb.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 1776 sc.exe -
pid Process 4784 powershell.exe 684 powershell.exe 2324 powershell.exe 412 powershell.exe 1352 powershell.exe 2184 powershell.exe 4376 powershell.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 2420 schtasks.exe 2360 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2791 = "Novosibirsk Daylight Time" 88365e9d60596063c013f6f7db123a7d8c51ddd4702c02e387c96254c2e371eb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time" 88365e9d60596063c013f6f7db123a7d8c51ddd4702c02e387c96254c2e371eb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2411 = "Marquesas Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-152 = "Central America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-292 = "Central European Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2792 = "Novosibirsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time" 88365e9d60596063c013f6f7db123a7d8c51ddd4702c02e387c96254c2e371eb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" 88365e9d60596063c013f6f7db123a7d8c51ddd4702c02e387c96254c2e371eb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2941 = "Sao Tome Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs 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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" 88365e9d60596063c013f6f7db123a7d8c51ddd4702c02e387c96254c2e371eb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time" 88365e9d60596063c013f6f7db123a7d8c51ddd4702c02e387c96254c2e371eb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" 88365e9d60596063c013f6f7db123a7d8c51ddd4702c02e387c96254c2e371eb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-462 = "Afghanistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-262 = "GMT Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-364 = "Middle East 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\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" 88365e9d60596063c013f6f7db123a7d8c51ddd4702c02e387c96254c2e371eb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\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\2a\52C64B7E\@tzres.dll,-892 = "Morocco Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-302 = "Romance Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2571 = "Turks and Caicos Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time" 88365e9d60596063c013f6f7db123a7d8c51ddd4702c02e387c96254c2e371eb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" 88365e9d60596063c013f6f7db123a7d8c51ddd4702c02e387c96254c2e371eb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-772 = "Montevideo Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1661 = "Bahia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2141 = "Transbaikal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time" 88365e9d60596063c013f6f7db123a7d8c51ddd4702c02e387c96254c2e371eb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time" 88365e9d60596063c013f6f7db123a7d8c51ddd4702c02e387c96254c2e371eb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-392 = "Arab Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-351 = "FLE Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-621 = "Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time" 88365e9d60596063c013f6f7db123a7d8c51ddd4702c02e387c96254c2e371eb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" 88365e9d60596063c013f6f7db123a7d8c51ddd4702c02e387c96254c2e371eb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time" 88365e9d60596063c013f6f7db123a7d8c51ddd4702c02e387c96254c2e371eb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time" 88365e9d60596063c013f6f7db123a7d8c51ddd4702c02e387c96254c2e371eb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-682 = "E. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-911 = "Mauritius Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-41 = "E. South America Daylight Time" 88365e9d60596063c013f6f7db123a7d8c51ddd4702c02e387c96254c2e371eb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" 88365e9d60596063c013f6f7db123a7d8c51ddd4702c02e387c96254c2e371eb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust 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\2a\52C64B7E\@tzres.dll,-391 = "Arab Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2532 = "Chatham Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3051 = "Qyzylorda Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2324 powershell.exe 2324 powershell.exe 3564 88365e9d60596063c013f6f7db123a7d8c51ddd4702c02e387c96254c2e371eb.exe 3564 88365e9d60596063c013f6f7db123a7d8c51ddd4702c02e387c96254c2e371eb.exe 412 powershell.exe 412 powershell.exe 1572 88365e9d60596063c013f6f7db123a7d8c51ddd4702c02e387c96254c2e371eb.exe 1572 88365e9d60596063c013f6f7db123a7d8c51ddd4702c02e387c96254c2e371eb.exe 1572 88365e9d60596063c013f6f7db123a7d8c51ddd4702c02e387c96254c2e371eb.exe 1572 88365e9d60596063c013f6f7db123a7d8c51ddd4702c02e387c96254c2e371eb.exe 1572 88365e9d60596063c013f6f7db123a7d8c51ddd4702c02e387c96254c2e371eb.exe 1572 88365e9d60596063c013f6f7db123a7d8c51ddd4702c02e387c96254c2e371eb.exe 1572 88365e9d60596063c013f6f7db123a7d8c51ddd4702c02e387c96254c2e371eb.exe 1572 88365e9d60596063c013f6f7db123a7d8c51ddd4702c02e387c96254c2e371eb.exe 1572 88365e9d60596063c013f6f7db123a7d8c51ddd4702c02e387c96254c2e371eb.exe 1572 88365e9d60596063c013f6f7db123a7d8c51ddd4702c02e387c96254c2e371eb.exe 1352 powershell.exe 1352 powershell.exe 2184 powershell.exe 2184 powershell.exe 4376 powershell.exe 4376 powershell.exe 4784 powershell.exe 4784 powershell.exe 684 powershell.exe 684 powershell.exe 3124 injector.exe 3124 injector.exe 3124 injector.exe 3124 injector.exe 3124 injector.exe 3124 injector.exe 484 csrss.exe 484 csrss.exe 3124 injector.exe 3124 injector.exe 3124 injector.exe 3124 injector.exe 3124 injector.exe 3124 injector.exe 484 csrss.exe 484 csrss.exe 3124 injector.exe 3124 injector.exe 484 csrss.exe 484 csrss.exe 3124 injector.exe 3124 injector.exe 3124 injector.exe 3124 injector.exe 3124 injector.exe 3124 injector.exe 3124 injector.exe 3124 injector.exe 3124 injector.exe 3124 injector.exe 3124 injector.exe 3124 injector.exe 3124 injector.exe 3124 injector.exe 3124 injector.exe 3124 injector.exe 3124 injector.exe 3124 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2324 powershell.exe Token: SeDebugPrivilege 3564 88365e9d60596063c013f6f7db123a7d8c51ddd4702c02e387c96254c2e371eb.exe Token: SeImpersonatePrivilege 3564 88365e9d60596063c013f6f7db123a7d8c51ddd4702c02e387c96254c2e371eb.exe Token: SeDebugPrivilege 412 powershell.exe Token: SeDebugPrivilege 1352 powershell.exe Token: SeDebugPrivilege 2184 powershell.exe Token: SeDebugPrivilege 4376 powershell.exe Token: SeDebugPrivilege 4784 powershell.exe Token: SeDebugPrivilege 684 powershell.exe Token: SeSystemEnvironmentPrivilege 484 csrss.exe Token: SeSecurityPrivilege 1776 sc.exe Token: SeSecurityPrivilege 1776 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3564 wrote to memory of 2324 3564 88365e9d60596063c013f6f7db123a7d8c51ddd4702c02e387c96254c2e371eb.exe 82 PID 3564 wrote to memory of 2324 3564 88365e9d60596063c013f6f7db123a7d8c51ddd4702c02e387c96254c2e371eb.exe 82 PID 3564 wrote to memory of 2324 3564 88365e9d60596063c013f6f7db123a7d8c51ddd4702c02e387c96254c2e371eb.exe 82 PID 1572 wrote to memory of 412 1572 88365e9d60596063c013f6f7db123a7d8c51ddd4702c02e387c96254c2e371eb.exe 87 PID 1572 wrote to memory of 412 1572 88365e9d60596063c013f6f7db123a7d8c51ddd4702c02e387c96254c2e371eb.exe 87 PID 1572 wrote to memory of 412 1572 88365e9d60596063c013f6f7db123a7d8c51ddd4702c02e387c96254c2e371eb.exe 87 PID 1572 wrote to memory of 2360 1572 88365e9d60596063c013f6f7db123a7d8c51ddd4702c02e387c96254c2e371eb.exe 89 PID 1572 wrote to memory of 2360 1572 88365e9d60596063c013f6f7db123a7d8c51ddd4702c02e387c96254c2e371eb.exe 89 PID 2360 wrote to memory of 1540 2360 cmd.exe 91 PID 2360 wrote to memory of 1540 2360 cmd.exe 91 PID 1572 wrote to memory of 1352 1572 88365e9d60596063c013f6f7db123a7d8c51ddd4702c02e387c96254c2e371eb.exe 92 PID 1572 wrote to memory of 1352 1572 88365e9d60596063c013f6f7db123a7d8c51ddd4702c02e387c96254c2e371eb.exe 92 PID 1572 wrote to memory of 1352 1572 88365e9d60596063c013f6f7db123a7d8c51ddd4702c02e387c96254c2e371eb.exe 92 PID 1572 wrote to memory of 2184 1572 88365e9d60596063c013f6f7db123a7d8c51ddd4702c02e387c96254c2e371eb.exe 94 PID 1572 wrote to memory of 2184 1572 88365e9d60596063c013f6f7db123a7d8c51ddd4702c02e387c96254c2e371eb.exe 94 PID 1572 wrote to memory of 2184 1572 88365e9d60596063c013f6f7db123a7d8c51ddd4702c02e387c96254c2e371eb.exe 94 PID 1572 wrote to memory of 484 1572 88365e9d60596063c013f6f7db123a7d8c51ddd4702c02e387c96254c2e371eb.exe 96 PID 1572 wrote to memory of 484 1572 88365e9d60596063c013f6f7db123a7d8c51ddd4702c02e387c96254c2e371eb.exe 96 PID 1572 wrote to memory of 484 1572 88365e9d60596063c013f6f7db123a7d8c51ddd4702c02e387c96254c2e371eb.exe 96 PID 484 wrote to memory of 4376 484 csrss.exe 97 PID 484 wrote to memory of 4376 484 csrss.exe 97 PID 484 wrote to memory of 4376 484 csrss.exe 97 PID 484 wrote to memory of 4784 484 csrss.exe 102 PID 484 wrote to memory of 4784 484 csrss.exe 102 PID 484 wrote to memory of 4784 484 csrss.exe 102 PID 484 wrote to memory of 684 484 csrss.exe 105 PID 484 wrote to memory of 684 484 csrss.exe 105 PID 484 wrote to memory of 684 484 csrss.exe 105 PID 484 wrote to memory of 3124 484 csrss.exe 107 PID 484 wrote to memory of 3124 484 csrss.exe 107 PID 2864 wrote to memory of 4700 2864 windefender.exe 113 PID 2864 wrote to memory of 4700 2864 windefender.exe 113 PID 2864 wrote to memory of 4700 2864 windefender.exe 113 PID 4700 wrote to memory of 1776 4700 cmd.exe 114 PID 4700 wrote to memory of 1776 4700 cmd.exe 114 PID 4700 wrote to memory of 1776 4700 cmd.exe 114 -
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\88365e9d60596063c013f6f7db123a7d8c51ddd4702c02e387c96254c2e371eb.exe"C:\Users\Admin\AppData\Local\Temp\88365e9d60596063c013f6f7db123a7d8c51ddd4702c02e387c96254c2e371eb.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3564 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2324
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C:\Users\Admin\AppData\Local\Temp\88365e9d60596063c013f6f7db123a7d8c51ddd4702c02e387c96254c2e371eb.exe"C:\Users\Admin\AppData\Local\Temp\88365e9d60596063c013f6f7db123a7d8c51ddd4702c02e387c96254c2e371eb.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:1572 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:412
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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:2360 -
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:1540
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1352
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2184
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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:484 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4376
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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:2420
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4812
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4784
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:684
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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:3124
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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:2360
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2864 -
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:4700 -
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:1776
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4988
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
MD59a4b370a90a71d0f014b4e13327774fc
SHA15665a1ecc154402613479ab5a0fdc07feea596d6
SHA2560885f382dcf5d20aaf74b3dab79e234f99b8d43226bcc37a31985422694ff126
SHA51234754669331ee3c09b589d4b298aba105cf191385c14b83ad7ede9617f0b73c0020f1cf08a57d7221a32baf9756b0314a7aba29efb81a97e0a01d9a20a3cbe57
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD528fa813725f26598b0672a7b4c3c1145
SHA1f42003c4cb91a2cab5b1e8b1bc3541fa6ed31961
SHA256acb426adf95a39e2fefb9e6c3362afcd33c03c049962b137e58606df4ce42a87
SHA512249bafdabeaed9e2b861371e79bc3dd47551fc9a42e5485f2680d921e19e88bfcda81af8af5d65200b871c026b100f5991c46b2bdf4a71b98f33bdeaf38ec8ec
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD580dbf8ce7ae55e5c6ce93dd3b4013595
SHA186b6ab32d0f40f899d5452aabd9dee4f53f09096
SHA256e66d3722aa3839ab5b702b26d2aae32b81e81e5a62f749f5c71b331c1cbd7ece
SHA5121b7f5945ddb9c691f4e5a3d6d1869e335de8db197beeb1c41caa721e65cb8845687b640ab610df2d7242d17c8fb6fa70db57c6b44376c5a819f9b88001225d05
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55e7e4d5b8f09180d2ec3744fe282009b
SHA1853c27f8b071841b4ed9838d874663cded5637dc
SHA256787ea6d02d496d01d730c9fee1b0208362853c5b7301b4ab59cd7d1f15f209d7
SHA512a49a3be3e8a83650ab184841f0ec9947b07863be0208a50ae6892407bfe90e13c6ce1c38f8f334a28ea958656b0bd37672b4cc128b32b91ab6af8ec46175b6e9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f548f1d80f265768b3b2070e4c8a2008
SHA13f5ab2992ea70beb67b85139e484723dd56ceeb1
SHA256e586c2b418ca1c3838d542a5b6db0e576448c306bce225a26af7ec0c0a77e8f9
SHA5122004beb3938b0fe9ef349a8c3acde953180635c359b9bbc774098e3e3ee1b6fa0b0aed4972726baaf6241e59a21e74a91f252d3781345144cba122ff5a7d21b2
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Filesize
4.1MB
MD544de4b4d95c61e9e0be947bd8006de68
SHA13c2e7e5ad27de2dae531d9e0663f59961ddcbd51
SHA25688365e9d60596063c013f6f7db123a7d8c51ddd4702c02e387c96254c2e371eb
SHA512a8208c724dd570f567e2669ce1f766ac4757efed135de14c87df4e7e10c4a2282aa103906d9e39a8fde615cb47fddd4cc2c51bd9e1506bf3db323c5e772cd557
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec