Analysis
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max time kernel
149s -
max time network
148s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
17-05-2024 23:48
Static task
static1
Behavioral task
behavioral1
Sample
d45bfb82e0a02b8e68bd0ea9dc62fe74959087346ae09d329d9e120961c90372.exe
Resource
win10v2004-20240508-en
General
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Target
d45bfb82e0a02b8e68bd0ea9dc62fe74959087346ae09d329d9e120961c90372.exe
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Size
4.1MB
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MD5
de2b765314032379ea393599285c4cc1
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SHA1
227a09fc69a27690e4069776e3ef15a6445bb475
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SHA256
d45bfb82e0a02b8e68bd0ea9dc62fe74959087346ae09d329d9e120961c90372
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SHA512
e886457f8e513cb919edec5176e1490495eff9265eead7782d42485f982cd60c218747db7ffea867555032d0c7610f862eda6aba84c83e20f94c0ed133d5babe
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SSDEEP
98304:ZqqJgO7W9SnF2QTYg7Hzo9TU2Df9e/pZ+O7BTR2yKUs:ZqqJgO7W9SnJ3gf8jHXKH
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/1292-2-0x0000000004D20000-0x000000000560B000-memory.dmp family_glupteba behavioral2/memory/1292-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1292-99-0x0000000004D20000-0x000000000560B000-memory.dmp family_glupteba behavioral2/memory/1292-98-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/1292-170-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2708-169-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/4756-200-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/4756-211-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/4756-215-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/4756-219-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/4756-224-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/4756-227-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/4756-231-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/4756-235-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/4756-240-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/4756-244-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/4756-247-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/4756-251-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/4756-255-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3496 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4756 csrss.exe 540 injector.exe 2516 windefender.exe 1104 windefender.exe -
resource yara_rule behavioral2/memory/2516-206-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/files/0x000200000002aa1c-205.dat upx behavioral2/memory/2516-209-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1104-208-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/files/0x000200000002aa1c-204.dat upx behavioral2/memory/1104-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1104-221-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1104-233-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2551177587-3778486488-1329702901-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-2551177587-3778486488-1329702901-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" d45bfb82e0a02b8e68bd0ea9dc62fe74959087346ae09d329d9e120961c90372.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 d45bfb82e0a02b8e68bd0ea9dc62fe74959087346ae09d329d9e120961c90372.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe d45bfb82e0a02b8e68bd0ea9dc62fe74959087346ae09d329d9e120961c90372.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss d45bfb82e0a02b8e68bd0ea9dc62fe74959087346ae09d329d9e120961c90372.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 4528 sc.exe -
pid Process 3828 powershell.exe 3736 powershell.exe 4648 powershell.exe 1432 powershell.exe 4080 powershell.exe 4480 powershell.exe 3392 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 1816 schtasks.exe 3016 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,-82 = "Atlantic Standard Time" d45bfb82e0a02b8e68bd0ea9dc62fe74959087346ae09d329d9e120961c90372.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1862 = "Russia TZ 6 Standard Time" d45bfb82e0a02b8e68bd0ea9dc62fe74959087346ae09d329d9e120961c90372.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates 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,-252 = "Dateline Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1822 = "Russia TZ 1 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-502 = "Nepal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2772 = "Omsk Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople 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\2a\52C64B7E\@tzres.dll,-272 = "Greenwich Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1722 = "Libya Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time" d45bfb82e0a02b8e68bd0ea9dc62fe74959087346ae09d329d9e120961c90372.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time" d45bfb82e0a02b8e68bd0ea9dc62fe74959087346ae09d329d9e120961c90372.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.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,-2002 = "Cabo Verde Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-571 = "China Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-912 = "Mauritius Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-591 = "Malay Peninsula Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)" d45bfb82e0a02b8e68bd0ea9dc62fe74959087346ae09d329d9e120961c90372.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time" d45bfb82e0a02b8e68bd0ea9dc62fe74959087346ae09d329d9e120961c90372.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" d45bfb82e0a02b8e68bd0ea9dc62fe74959087346ae09d329d9e120961c90372.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" d45bfb82e0a02b8e68bd0ea9dc62fe74959087346ae09d329d9e120961c90372.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" d45bfb82e0a02b8e68bd0ea9dc62fe74959087346ae09d329d9e120961c90372.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" d45bfb82e0a02b8e68bd0ea9dc62fe74959087346ae09d329d9e120961c90372.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" d45bfb82e0a02b8e68bd0ea9dc62fe74959087346ae09d329d9e120961c90372.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time" d45bfb82e0a02b8e68bd0ea9dc62fe74959087346ae09d329d9e120961c90372.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time" d45bfb82e0a02b8e68bd0ea9dc62fe74959087346ae09d329d9e120961c90372.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates 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\@tzres.dll,-2392 = "Aleutian Standard Time" windefender.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,-1891 = "Russia TZ 3 Daylight Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 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\@tzres.dll,-2162 = "Altai Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2491 = "Aus Central W. Daylight Time" d45bfb82e0a02b8e68bd0ea9dc62fe74959087346ae09d329d9e120961c90372.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1021 = "Bangladesh Daylight Time" d45bfb82e0a02b8e68bd0ea9dc62fe74959087346ae09d329d9e120961c90372.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-431 = "Iran Daylight Time" d45bfb82e0a02b8e68bd0ea9dc62fe74959087346ae09d329d9e120961c90372.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time" d45bfb82e0a02b8e68bd0ea9dc62fe74959087346ae09d329d9e120961c90372.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\@tzres.dll,-462 = "Afghanistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2341 = "Haiti Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" d45bfb82e0a02b8e68bd0ea9dc62fe74959087346ae09d329d9e120961c90372.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" d45bfb82e0a02b8e68bd0ea9dc62fe74959087346ae09d329d9e120961c90372.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs 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\2a\52C64B7E\@tzres.dll,-2181 = "Astrakhan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" d45bfb82e0a02b8e68bd0ea9dc62fe74959087346ae09d329d9e120961c90372.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3828 powershell.exe 3828 powershell.exe 1292 d45bfb82e0a02b8e68bd0ea9dc62fe74959087346ae09d329d9e120961c90372.exe 1292 d45bfb82e0a02b8e68bd0ea9dc62fe74959087346ae09d329d9e120961c90372.exe 3736 powershell.exe 3736 powershell.exe 2708 d45bfb82e0a02b8e68bd0ea9dc62fe74959087346ae09d329d9e120961c90372.exe 2708 d45bfb82e0a02b8e68bd0ea9dc62fe74959087346ae09d329d9e120961c90372.exe 2708 d45bfb82e0a02b8e68bd0ea9dc62fe74959087346ae09d329d9e120961c90372.exe 2708 d45bfb82e0a02b8e68bd0ea9dc62fe74959087346ae09d329d9e120961c90372.exe 2708 d45bfb82e0a02b8e68bd0ea9dc62fe74959087346ae09d329d9e120961c90372.exe 2708 d45bfb82e0a02b8e68bd0ea9dc62fe74959087346ae09d329d9e120961c90372.exe 2708 d45bfb82e0a02b8e68bd0ea9dc62fe74959087346ae09d329d9e120961c90372.exe 2708 d45bfb82e0a02b8e68bd0ea9dc62fe74959087346ae09d329d9e120961c90372.exe 2708 d45bfb82e0a02b8e68bd0ea9dc62fe74959087346ae09d329d9e120961c90372.exe 2708 d45bfb82e0a02b8e68bd0ea9dc62fe74959087346ae09d329d9e120961c90372.exe 4648 powershell.exe 4648 powershell.exe 1432 powershell.exe 1432 powershell.exe 4080 powershell.exe 4080 powershell.exe 4480 powershell.exe 4480 powershell.exe 3392 powershell.exe 3392 powershell.exe 540 injector.exe 540 injector.exe 540 injector.exe 540 injector.exe 540 injector.exe 540 injector.exe 4756 csrss.exe 4756 csrss.exe 540 injector.exe 540 injector.exe 540 injector.exe 540 injector.exe 540 injector.exe 540 injector.exe 4756 csrss.exe 4756 csrss.exe 540 injector.exe 540 injector.exe 4756 csrss.exe 4756 csrss.exe 540 injector.exe 540 injector.exe 540 injector.exe 540 injector.exe 540 injector.exe 540 injector.exe 540 injector.exe 540 injector.exe 540 injector.exe 540 injector.exe 540 injector.exe 540 injector.exe 540 injector.exe 540 injector.exe 540 injector.exe 540 injector.exe 540 injector.exe 540 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3828 powershell.exe Token: SeDebugPrivilege 1292 d45bfb82e0a02b8e68bd0ea9dc62fe74959087346ae09d329d9e120961c90372.exe Token: SeImpersonatePrivilege 1292 d45bfb82e0a02b8e68bd0ea9dc62fe74959087346ae09d329d9e120961c90372.exe Token: SeDebugPrivilege 3736 powershell.exe Token: SeDebugPrivilege 4648 powershell.exe Token: SeDebugPrivilege 1432 powershell.exe Token: SeDebugPrivilege 4080 powershell.exe Token: SeDebugPrivilege 4480 powershell.exe Token: SeDebugPrivilege 3392 powershell.exe Token: SeSystemEnvironmentPrivilege 4756 csrss.exe Token: SeSecurityPrivilege 4528 sc.exe Token: SeSecurityPrivilege 4528 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1292 wrote to memory of 3828 1292 d45bfb82e0a02b8e68bd0ea9dc62fe74959087346ae09d329d9e120961c90372.exe 81 PID 1292 wrote to memory of 3828 1292 d45bfb82e0a02b8e68bd0ea9dc62fe74959087346ae09d329d9e120961c90372.exe 81 PID 1292 wrote to memory of 3828 1292 d45bfb82e0a02b8e68bd0ea9dc62fe74959087346ae09d329d9e120961c90372.exe 81 PID 2708 wrote to memory of 3736 2708 d45bfb82e0a02b8e68bd0ea9dc62fe74959087346ae09d329d9e120961c90372.exe 87 PID 2708 wrote to memory of 3736 2708 d45bfb82e0a02b8e68bd0ea9dc62fe74959087346ae09d329d9e120961c90372.exe 87 PID 2708 wrote to memory of 3736 2708 d45bfb82e0a02b8e68bd0ea9dc62fe74959087346ae09d329d9e120961c90372.exe 87 PID 2708 wrote to memory of 412 2708 d45bfb82e0a02b8e68bd0ea9dc62fe74959087346ae09d329d9e120961c90372.exe 89 PID 2708 wrote to memory of 412 2708 d45bfb82e0a02b8e68bd0ea9dc62fe74959087346ae09d329d9e120961c90372.exe 89 PID 412 wrote to memory of 3496 412 cmd.exe 91 PID 412 wrote to memory of 3496 412 cmd.exe 91 PID 2708 wrote to memory of 4648 2708 d45bfb82e0a02b8e68bd0ea9dc62fe74959087346ae09d329d9e120961c90372.exe 92 PID 2708 wrote to memory of 4648 2708 d45bfb82e0a02b8e68bd0ea9dc62fe74959087346ae09d329d9e120961c90372.exe 92 PID 2708 wrote to memory of 4648 2708 d45bfb82e0a02b8e68bd0ea9dc62fe74959087346ae09d329d9e120961c90372.exe 92 PID 2708 wrote to memory of 1432 2708 d45bfb82e0a02b8e68bd0ea9dc62fe74959087346ae09d329d9e120961c90372.exe 94 PID 2708 wrote to memory of 1432 2708 d45bfb82e0a02b8e68bd0ea9dc62fe74959087346ae09d329d9e120961c90372.exe 94 PID 2708 wrote to memory of 1432 2708 d45bfb82e0a02b8e68bd0ea9dc62fe74959087346ae09d329d9e120961c90372.exe 94 PID 2708 wrote to memory of 4756 2708 d45bfb82e0a02b8e68bd0ea9dc62fe74959087346ae09d329d9e120961c90372.exe 96 PID 2708 wrote to memory of 4756 2708 d45bfb82e0a02b8e68bd0ea9dc62fe74959087346ae09d329d9e120961c90372.exe 96 PID 2708 wrote to memory of 4756 2708 d45bfb82e0a02b8e68bd0ea9dc62fe74959087346ae09d329d9e120961c90372.exe 96 PID 4756 wrote to memory of 4080 4756 csrss.exe 97 PID 4756 wrote to memory of 4080 4756 csrss.exe 97 PID 4756 wrote to memory of 4080 4756 csrss.exe 97 PID 4756 wrote to memory of 4480 4756 csrss.exe 103 PID 4756 wrote to memory of 4480 4756 csrss.exe 103 PID 4756 wrote to memory of 4480 4756 csrss.exe 103 PID 4756 wrote to memory of 3392 4756 csrss.exe 105 PID 4756 wrote to memory of 3392 4756 csrss.exe 105 PID 4756 wrote to memory of 3392 4756 csrss.exe 105 PID 4756 wrote to memory of 540 4756 csrss.exe 107 PID 4756 wrote to memory of 540 4756 csrss.exe 107 PID 2516 wrote to memory of 3220 2516 windefender.exe 113 PID 2516 wrote to memory of 3220 2516 windefender.exe 113 PID 2516 wrote to memory of 3220 2516 windefender.exe 113 PID 3220 wrote to memory of 4528 3220 cmd.exe 114 PID 3220 wrote to memory of 4528 3220 cmd.exe 114 PID 3220 wrote to memory of 4528 3220 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\d45bfb82e0a02b8e68bd0ea9dc62fe74959087346ae09d329d9e120961c90372.exe"C:\Users\Admin\AppData\Local\Temp\d45bfb82e0a02b8e68bd0ea9dc62fe74959087346ae09d329d9e120961c90372.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1292 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3828
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C:\Users\Admin\AppData\Local\Temp\d45bfb82e0a02b8e68bd0ea9dc62fe74959087346ae09d329d9e120961c90372.exe"C:\Users\Admin\AppData\Local\Temp\d45bfb82e0a02b8e68bd0ea9dc62fe74959087346ae09d329d9e120961c90372.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:2708 -
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:3736
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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:412 -
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:3496
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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:4648
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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:1432
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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:4756 -
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:4080
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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:1816
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1908
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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:4480
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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:3392
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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:540
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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:3016
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2516 -
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:3220 -
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:4528
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1104
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
MD5061e107ebff0b434be611bc42b45e140
SHA11b770d1bc19fdd20863491763df142d9907e4996
SHA25665661f7150657a9e55a7e0dd9465475116741364f3c19993f072a2aee4a88fe8
SHA5129138360a7cfb7eb18d16c52cf154822135036d414871a43ded44d7140db59b16880be74ac14608691c39d3e029aff7763b26857f25216d83c04fcbc6bb15b6f3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e84203cd62b895f751bf1a25e3c64906
SHA13260672c253f25178c5d2e34951d1c752f6e674d
SHA2562210a2849d18cf793900b1b81fa8fcc5067833d963df4cecc9979945c713e906
SHA512c5683d6d988c3e282967315babe18403c1cd6aa8e433223e307e94e04e17bba99151c86c2877cf94e2857c0dede8fd8a28a936a9e7337ee4d3528fb1047671aa
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5582c1b56e50772625456d655f997db34
SHA14ea410347e931d2c5787280fa5778a9ddb70209b
SHA256239c087af716898134df23a16d3665ce7998b454030111eade556d6cd5c1d8b0
SHA512a8e22d8603aba82c3feab02a7be041516f0c164bdc976af5c6087b2da80b808433b321400320d5aa4a4eaca59de84dbac93d211dfea034023e34bc40d0a5a03d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50d7dd163e28c82e3572f88f87196d554
SHA1b6854484536bfa7622f587bf6ba4ee90b2a247d0
SHA256b07aaeb96807c0d5952dd88f9a4e9fade24a4ad96750f29b978d82d6b8302b70
SHA51201ae138bc90ffe0a5ff749f9d45d157bdd0ee101391e346bba6e25564fdf100e03f87da0f6381e66945a5dcadab49059f06d8310a3dbb0fbbec84fd763d62159
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57c8942e119c9ccd492bb3f3999598f78
SHA1dcddf0924eb6896cde70a30df2b3798531ab3c71
SHA2562cf766c9e948b9cf48a804b9e8a5c17f3cef430761ac3b106523cf95cb94f8d1
SHA512daf740e41af97a1aea66ca217dde75281e0d1073ae7d7f4156afac862396e88ec2b1cede27ba206ab8e579496ce459a8ba39e22ca381000d79e5f4fc9d79e1e8
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Filesize
4.1MB
MD5de2b765314032379ea393599285c4cc1
SHA1227a09fc69a27690e4069776e3ef15a6445bb475
SHA256d45bfb82e0a02b8e68bd0ea9dc62fe74959087346ae09d329d9e120961c90372
SHA512e886457f8e513cb919edec5176e1490495eff9265eead7782d42485f982cd60c218747db7ffea867555032d0c7610f862eda6aba84c83e20f94c0ed133d5babe
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Filesize
1.2MB
MD5a43d1181c5c818d7d78e782ec1828903
SHA1ce87b6b09f2b30c85a2420d7e1471a0c2db55475
SHA25657b26db83b472d3aa74fdc739ae2a2aab69513a334cc9850d2adc81053093cf4
SHA5125985d550e97d5a383a3b121dd3c42ef032f3815afa7ac6ff35c0935fb143c51c5ac0406b0dd854c1936aff98d8da964ba1c390187b81380ee891ac8708cdd6d4
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec