Analysis
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max time kernel
150s -
max time network
129s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
17-05-2024 23:48
Static task
static1
Behavioral task
behavioral1
Sample
9b1d5a5e47dcf22fac555d9387a943b42b056240f3622fae5c937472598d1772.exe
Resource
win10v2004-20240426-en
General
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Target
9b1d5a5e47dcf22fac555d9387a943b42b056240f3622fae5c937472598d1772.exe
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Size
4.1MB
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MD5
042f10570bfac2fdcaa40f8ed989c37d
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SHA1
0d02cb97f843b63261f165b3dfb02fa5e29edcdb
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SHA256
9b1d5a5e47dcf22fac555d9387a943b42b056240f3622fae5c937472598d1772
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SHA512
1ff72551067a4da8885b34e8fd8e1175927d08c07809fbb03603fc0f05a6df8fcc02b24509609b3b59ecc3825d9c5bc90a38c8aee8f1873dd78dfc5f3e5137af
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SSDEEP
98304:BqqJgO7W9SnF2QTYg7Hzo9TU2Df9e/pZ+O7BTR2yKUq:BqqJgO7W9SnJ3gf8jHXK9
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/3664-2-0x0000000004C60000-0x000000000554B000-memory.dmp family_glupteba behavioral2/memory/3664-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3664-77-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/3664-99-0x0000000004C60000-0x000000000554B000-memory.dmp family_glupteba behavioral2/memory/3664-122-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2180-121-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/2180-195-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/2976-203-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/2976-215-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/2976-219-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/2976-222-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/2976-225-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/2976-229-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/2976-235-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/2976-239-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/2976-241-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/2976-245-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/2976-251-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/2976-255-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1176 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2976 csrss.exe 3932 injector.exe 1780 windefender.exe 1884 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a9b5-206.dat upx behavioral2/memory/1780-208-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1884-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1780-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1884-217-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1884-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2457560273-69882387-977367775-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 9b1d5a5e47dcf22fac555d9387a943b42b056240f3622fae5c937472598d1772.exe Set value (str) \REGISTRY\USER\S-1-5-21-2457560273-69882387-977367775-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File 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 -
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 9b1d5a5e47dcf22fac555d9387a943b42b056240f3622fae5c937472598d1772.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 9b1d5a5e47dcf22fac555d9387a943b42b056240f3622fae5c937472598d1772.exe File created C:\Windows\rss\csrss.exe 9b1d5a5e47dcf22fac555d9387a943b42b056240f3622fae5c937472598d1772.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 3800 sc.exe -
pid Process 128 powershell.exe 4768 powershell.exe 440 powershell.exe 3624 powershell.exe 2032 powershell.exe 3484 powershell.exe 4880 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 4688 schtasks.exe 2496 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,-2942 = "Sao Tome Standard Time" 9b1d5a5e47dcf22fac555d9387a943b42b056240f3622fae5c937472598d1772.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time" 9b1d5a5e47dcf22fac555d9387a943b42b056240f3622fae5c937472598d1772.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.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,-2531 = "Chatham Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1892 = "Russia TZ 3 Standard Time" 9b1d5a5e47dcf22fac555d9387a943b42b056240f3622fae5c937472598d1772.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" 9b1d5a5e47dcf22fac555d9387a943b42b056240f3622fae5c937472598d1772.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-532 = "Sri Lanka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)" 9b1d5a5e47dcf22fac555d9387a943b42b056240f3622fae5c937472598d1772.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs 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\@tzres.dll,-2321 = "Sakhalin Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time" 9b1d5a5e47dcf22fac555d9387a943b42b056240f3622fae5c937472598d1772.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time" 9b1d5a5e47dcf22fac555d9387a943b42b056240f3622fae5c937472598d1772.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" 9b1d5a5e47dcf22fac555d9387a943b42b056240f3622fae5c937472598d1772.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time" 9b1d5a5e47dcf22fac555d9387a943b42b056240f3622fae5c937472598d1772.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-171 = "Central Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1872 = "Russia TZ 7 Standard Time" 9b1d5a5e47dcf22fac555d9387a943b42b056240f3622fae5c937472598d1772.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time" 9b1d5a5e47dcf22fac555d9387a943b42b056240f3622fae5c937472598d1772.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2451 = "Saint Pierre Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time" 9b1d5a5e47dcf22fac555d9387a943b42b056240f3622fae5c937472598d1772.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates 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\@tzres.dll,-982 = "Kamchatka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-241 = "Samoa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time" 9b1d5a5e47dcf22fac555d9387a943b42b056240f3622fae5c937472598d1772.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time" 9b1d5a5e47dcf22fac555d9387a943b42b056240f3622fae5c937472598d1772.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-132 = "US Eastern 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" 9b1d5a5e47dcf22fac555d9387a943b42b056240f3622fae5c937472598d1772.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time" 9b1d5a5e47dcf22fac555d9387a943b42b056240f3622fae5c937472598d1772.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time" 9b1d5a5e47dcf22fac555d9387a943b42b056240f3622fae5c937472598d1772.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-31 = "Mid-Atlantic Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)" 9b1d5a5e47dcf22fac555d9387a943b42b056240f3622fae5c937472598d1772.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time" 9b1d5a5e47dcf22fac555d9387a943b42b056240f3622fae5c937472598d1772.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time" 9b1d5a5e47dcf22fac555d9387a943b42b056240f3622fae5c937472598d1772.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2412 = "Marquesas Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time" 9b1d5a5e47dcf22fac555d9387a943b42b056240f3622fae5c937472598d1772.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time" 9b1d5a5e47dcf22fac555d9387a943b42b056240f3622fae5c937472598d1772.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" 9b1d5a5e47dcf22fac555d9387a943b42b056240f3622fae5c937472598d1772.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-491 = "India Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-32 = "Mid-Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2631 = "Norfolk Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3624 powershell.exe 3624 powershell.exe 3664 9b1d5a5e47dcf22fac555d9387a943b42b056240f3622fae5c937472598d1772.exe 3664 9b1d5a5e47dcf22fac555d9387a943b42b056240f3622fae5c937472598d1772.exe 2032 powershell.exe 2032 powershell.exe 2180 9b1d5a5e47dcf22fac555d9387a943b42b056240f3622fae5c937472598d1772.exe 2180 9b1d5a5e47dcf22fac555d9387a943b42b056240f3622fae5c937472598d1772.exe 2180 9b1d5a5e47dcf22fac555d9387a943b42b056240f3622fae5c937472598d1772.exe 2180 9b1d5a5e47dcf22fac555d9387a943b42b056240f3622fae5c937472598d1772.exe 2180 9b1d5a5e47dcf22fac555d9387a943b42b056240f3622fae5c937472598d1772.exe 2180 9b1d5a5e47dcf22fac555d9387a943b42b056240f3622fae5c937472598d1772.exe 2180 9b1d5a5e47dcf22fac555d9387a943b42b056240f3622fae5c937472598d1772.exe 2180 9b1d5a5e47dcf22fac555d9387a943b42b056240f3622fae5c937472598d1772.exe 2180 9b1d5a5e47dcf22fac555d9387a943b42b056240f3622fae5c937472598d1772.exe 2180 9b1d5a5e47dcf22fac555d9387a943b42b056240f3622fae5c937472598d1772.exe 3484 powershell.exe 3484 powershell.exe 4880 powershell.exe 4880 powershell.exe 128 powershell.exe 128 powershell.exe 4768 powershell.exe 4768 powershell.exe 440 powershell.exe 440 powershell.exe 3932 injector.exe 3932 injector.exe 3932 injector.exe 3932 injector.exe 3932 injector.exe 3932 injector.exe 2976 csrss.exe 2976 csrss.exe 3932 injector.exe 3932 injector.exe 3932 injector.exe 3932 injector.exe 3932 injector.exe 3932 injector.exe 2976 csrss.exe 2976 csrss.exe 3932 injector.exe 3932 injector.exe 2976 csrss.exe 2976 csrss.exe 3932 injector.exe 3932 injector.exe 3932 injector.exe 3932 injector.exe 3932 injector.exe 3932 injector.exe 3932 injector.exe 3932 injector.exe 3932 injector.exe 3932 injector.exe 3932 injector.exe 3932 injector.exe 3932 injector.exe 3932 injector.exe 3932 injector.exe 3932 injector.exe 3932 injector.exe 3932 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3624 powershell.exe Token: SeDebugPrivilege 3664 9b1d5a5e47dcf22fac555d9387a943b42b056240f3622fae5c937472598d1772.exe Token: SeImpersonatePrivilege 3664 9b1d5a5e47dcf22fac555d9387a943b42b056240f3622fae5c937472598d1772.exe Token: SeDebugPrivilege 2032 powershell.exe Token: SeDebugPrivilege 3484 powershell.exe Token: SeDebugPrivilege 4880 powershell.exe Token: SeDebugPrivilege 128 powershell.exe Token: SeDebugPrivilege 4768 powershell.exe Token: SeDebugPrivilege 440 powershell.exe Token: SeSystemEnvironmentPrivilege 2976 csrss.exe Token: SeSecurityPrivilege 3800 sc.exe Token: SeSecurityPrivilege 3800 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3664 wrote to memory of 3624 3664 9b1d5a5e47dcf22fac555d9387a943b42b056240f3622fae5c937472598d1772.exe 79 PID 3664 wrote to memory of 3624 3664 9b1d5a5e47dcf22fac555d9387a943b42b056240f3622fae5c937472598d1772.exe 79 PID 3664 wrote to memory of 3624 3664 9b1d5a5e47dcf22fac555d9387a943b42b056240f3622fae5c937472598d1772.exe 79 PID 2180 wrote to memory of 2032 2180 9b1d5a5e47dcf22fac555d9387a943b42b056240f3622fae5c937472598d1772.exe 84 PID 2180 wrote to memory of 2032 2180 9b1d5a5e47dcf22fac555d9387a943b42b056240f3622fae5c937472598d1772.exe 84 PID 2180 wrote to memory of 2032 2180 9b1d5a5e47dcf22fac555d9387a943b42b056240f3622fae5c937472598d1772.exe 84 PID 2180 wrote to memory of 3192 2180 9b1d5a5e47dcf22fac555d9387a943b42b056240f3622fae5c937472598d1772.exe 86 PID 2180 wrote to memory of 3192 2180 9b1d5a5e47dcf22fac555d9387a943b42b056240f3622fae5c937472598d1772.exe 86 PID 3192 wrote to memory of 1176 3192 cmd.exe 88 PID 3192 wrote to memory of 1176 3192 cmd.exe 88 PID 2180 wrote to memory of 3484 2180 9b1d5a5e47dcf22fac555d9387a943b42b056240f3622fae5c937472598d1772.exe 89 PID 2180 wrote to memory of 3484 2180 9b1d5a5e47dcf22fac555d9387a943b42b056240f3622fae5c937472598d1772.exe 89 PID 2180 wrote to memory of 3484 2180 9b1d5a5e47dcf22fac555d9387a943b42b056240f3622fae5c937472598d1772.exe 89 PID 2180 wrote to memory of 4880 2180 9b1d5a5e47dcf22fac555d9387a943b42b056240f3622fae5c937472598d1772.exe 91 PID 2180 wrote to memory of 4880 2180 9b1d5a5e47dcf22fac555d9387a943b42b056240f3622fae5c937472598d1772.exe 91 PID 2180 wrote to memory of 4880 2180 9b1d5a5e47dcf22fac555d9387a943b42b056240f3622fae5c937472598d1772.exe 91 PID 2180 wrote to memory of 2976 2180 9b1d5a5e47dcf22fac555d9387a943b42b056240f3622fae5c937472598d1772.exe 93 PID 2180 wrote to memory of 2976 2180 9b1d5a5e47dcf22fac555d9387a943b42b056240f3622fae5c937472598d1772.exe 93 PID 2180 wrote to memory of 2976 2180 9b1d5a5e47dcf22fac555d9387a943b42b056240f3622fae5c937472598d1772.exe 93 PID 2976 wrote to memory of 128 2976 csrss.exe 94 PID 2976 wrote to memory of 128 2976 csrss.exe 94 PID 2976 wrote to memory of 128 2976 csrss.exe 94 PID 2976 wrote to memory of 4768 2976 csrss.exe 100 PID 2976 wrote to memory of 4768 2976 csrss.exe 100 PID 2976 wrote to memory of 4768 2976 csrss.exe 100 PID 2976 wrote to memory of 440 2976 csrss.exe 102 PID 2976 wrote to memory of 440 2976 csrss.exe 102 PID 2976 wrote to memory of 440 2976 csrss.exe 102 PID 2976 wrote to memory of 3932 2976 csrss.exe 104 PID 2976 wrote to memory of 3932 2976 csrss.exe 104 PID 1780 wrote to memory of 4084 1780 windefender.exe 110 PID 1780 wrote to memory of 4084 1780 windefender.exe 110 PID 1780 wrote to memory of 4084 1780 windefender.exe 110 PID 4084 wrote to memory of 3800 4084 cmd.exe 111 PID 4084 wrote to memory of 3800 4084 cmd.exe 111 PID 4084 wrote to memory of 3800 4084 cmd.exe 111 -
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\9b1d5a5e47dcf22fac555d9387a943b42b056240f3622fae5c937472598d1772.exe"C:\Users\Admin\AppData\Local\Temp\9b1d5a5e47dcf22fac555d9387a943b42b056240f3622fae5c937472598d1772.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3664 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3624
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C:\Users\Admin\AppData\Local\Temp\9b1d5a5e47dcf22fac555d9387a943b42b056240f3622fae5c937472598d1772.exe"C:\Users\Admin\AppData\Local\Temp\9b1d5a5e47dcf22fac555d9387a943b42b056240f3622fae5c937472598d1772.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:2180 -
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:2032
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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:3192 -
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:1176
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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:3484
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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:4880
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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:2976 -
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:128
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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:4688
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4748
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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:4768
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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:440
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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:3932
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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:2496
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1780 -
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:4084 -
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:3800
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1884
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
MD53e2151f10a68035328d8f7c40fd75bc7
SHA1471cd42f45f4d7f0c5e3a348a26185453df4d7c3
SHA25699f0c4e151e9b3d969ceb9ccadce05dab6c541df5b2a6634601258a7954f3aeb
SHA512f4fcf13df1dc9c7a98f146ca6e69efa6568c857c67b1e35fd46a050e176d4eeea54ac2faccfd0eb4f9a67fb42fd004d5ef55876d139e4a4adcfbe98e94fd0529
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53e00abedec0cd603e3fc32163fca9d6c
SHA17e80c260635e2ade848d1e82fb34c88dd846d70e
SHA256274aae69df967a9e4f93b64b3f14cf15465a66ecc18f0357c37513c1e106d51b
SHA5123fc47a9a2356b79533ea2a693bd23e7efbc6074f967909eb360601fa7c2b1a383a4a4c08fa730286e420e61e8e6528f6fd1dd97e840da8ffc03f14ef28a12f4b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50344d2207824e9aaa60916dd5f2ffc18
SHA1a822341cf616cc761fc78ed07ec2d2666d3e0853
SHA256dad8a0111b2795932eeda0c678902efc4e79aab72743cc93f19287ee3af75514
SHA512d8d65398bb0abb27b70bbb55f776226719c849596d53e967a37cdca2a477dc97ead84537738da80dfbb3522b9864e05893a67677c2bd0e172404f732d63a4326
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f032e1a952f3d48917dd7ca248dc9b1c
SHA1cc8efa40131d6ca7d6ddd89853e323fbf20168c4
SHA256499d581db4445043141288a9daaeae567c6896b649833e09303d4282b9f25bbf
SHA512b4b57cf9457b13c2e6b33e6fb0da6e254a6bcb27cbf7ebade6ea1a46b2da49fb50d299add5f1a557c7b14c8b7a3e976e5f4ef16990f50aa3d5240ea1239b2c23
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b56fdddd2ef6c6ad35c0f78fc3c28b12
SHA17e910f1bc396ad42a0baa14a915899690bc4660b
SHA256f26dad32c74e2222730a6f68a6e2fff0518cfe78b65eb233d78e214588d76fa2
SHA512d971f4a72daf7dea99fc5ed2c7326d8a1eee36269532eae1f8d93e370261a30809338bb59ea7365bb5a5da686ff02ad2d2307ce56adaa7525dfa07b788b04496
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Filesize
4.1MB
MD5042f10570bfac2fdcaa40f8ed989c37d
SHA10d02cb97f843b63261f165b3dfb02fa5e29edcdb
SHA2569b1d5a5e47dcf22fac555d9387a943b42b056240f3622fae5c937472598d1772
SHA5121ff72551067a4da8885b34e8fd8e1175927d08c07809fbb03603fc0f05a6df8fcc02b24509609b3b59ecc3825d9c5bc90a38c8aee8f1873dd78dfc5f3e5137af
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec