Analysis
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max time kernel
150s -
max time network
128s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
18-05-2024 21:47
Static task
static1
Behavioral task
behavioral1
Sample
0d28ebfd3a7f6066fbe418ed81775c13c9a58cecc6640a2ee9b12e85bb0091fc.exe
Resource
win10v2004-20240508-en
General
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Target
0d28ebfd3a7f6066fbe418ed81775c13c9a58cecc6640a2ee9b12e85bb0091fc.exe
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Size
4.1MB
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MD5
ef9dd01fd12c30d526f3fd732e7db38a
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SHA1
309e0f49bad00a4fc434cf64f5a01470f6df6913
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SHA256
0d28ebfd3a7f6066fbe418ed81775c13c9a58cecc6640a2ee9b12e85bb0091fc
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SHA512
cce186e27469ade5c1639c26f0f3775bdd00a1bf7d049c1abfb5a880de7e2f28b047c84b9d613105af2bfde5baddf056b5d16f04e7af76273348b29fff97885d
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SSDEEP
98304:psVQ+hudF4keJeyEqK0evsENr9r54Wa5Cc1nHXivk:ps5hioeyE6OsERj43nD
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/4784-2-0x0000000004920000-0x000000000520B000-memory.dmp family_glupteba behavioral2/memory/4784-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4784-52-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4784-54-0x0000000004920000-0x000000000520B000-memory.dmp family_glupteba behavioral2/memory/4784-51-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/2728-149-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/4932-203-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/4932-214-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/4932-216-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/4932-219-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/4932-222-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/4932-226-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/4932-229-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/4932-232-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/4932-234-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/4932-238-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/4932-241-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/4932-244-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/4932-246-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1696 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4932 csrss.exe 1252 injector.exe 4880 windefender.exe 992 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a9e0-208.dat upx behavioral2/memory/4880-207-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/992-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4880-212-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/992-217-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/992-223-0x0000000000400000-0x00000000008DF000-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\"" 0d28ebfd3a7f6066fbe418ed81775c13c9a58cecc6640a2ee9b12e85bb0091fc.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 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 -
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 0d28ebfd3a7f6066fbe418ed81775c13c9a58cecc6640a2ee9b12e85bb0091fc.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 0d28ebfd3a7f6066fbe418ed81775c13c9a58cecc6640a2ee9b12e85bb0091fc.exe File created C:\Windows\rss\csrss.exe 0d28ebfd3a7f6066fbe418ed81775c13c9a58cecc6640a2ee9b12e85bb0091fc.exe File created 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 2964 sc.exe -
pid Process 2468 powershell.exe 648 powershell.exe 4480 powershell.exe 4204 powershell.exe 4376 powershell.exe 1644 powershell.exe 1640 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 112 schtasks.exe 3044 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,-1891 = "Russia TZ 3 Daylight Time" 0d28ebfd3a7f6066fbe418ed81775c13c9a58cecc6640a2ee9b12e85bb0091fc.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-161 = "Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-52 = "Greenland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-361 = "GTB Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2891 = "Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. Standard Time" 0d28ebfd3a7f6066fbe418ed81775c13c9a58cecc6640a2ee9b12e85bb0091fc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time" 0d28ebfd3a7f6066fbe418ed81775c13c9a58cecc6640a2ee9b12e85bb0091fc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust 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\@tzres.dll,-981 = "Kamchatka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2411 = "Marquesas Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-872 = "Pakistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time" 0d28ebfd3a7f6066fbe418ed81775c13c9a58cecc6640a2ee9b12e85bb0091fc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time" 0d28ebfd3a7f6066fbe418ed81775c13c9a58cecc6640a2ee9b12e85bb0091fc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 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,-2001 = "Cabo Verde Daylight Time" 0d28ebfd3a7f6066fbe418ed81775c13c9a58cecc6640a2ee9b12e85bb0091fc.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.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,-1971 = "Belarus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-434 = "Georgian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-71 = "Newfoundland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time" 0d28ebfd3a7f6066fbe418ed81775c13c9a58cecc6640a2ee9b12e85bb0091fc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-192 = "Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2791 = "Novosibirsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" 0d28ebfd3a7f6066fbe418ed81775c13c9a58cecc6640a2ee9b12e85bb0091fc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1021 = "Bangladesh Daylight 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,-385 = "Namibia 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 (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-931 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" 0d28ebfd3a7f6066fbe418ed81775c13c9a58cecc6640a2ee9b12e85bb0091fc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.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,-391 = "Arab Daylight Time" 0d28ebfd3a7f6066fbe418ed81775c13c9a58cecc6640a2ee9b12e85bb0091fc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-232 = "Hawaiian Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.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,-661 = "Cen. Australia Daylight Time" 0d28ebfd3a7f6066fbe418ed81775c13c9a58cecc6640a2ee9b12e85bb0091fc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" 0d28ebfd3a7f6066fbe418ed81775c13c9a58cecc6640a2ee9b12e85bb0091fc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-412 = "E. Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-741 = "New Zealand Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time" 0d28ebfd3a7f6066fbe418ed81775c13c9a58cecc6640a2ee9b12e85bb0091fc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time" 0d28ebfd3a7f6066fbe418ed81775c13c9a58cecc6640a2ee9b12e85bb0091fc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time" 0d28ebfd3a7f6066fbe418ed81775c13c9a58cecc6640a2ee9b12e85bb0091fc.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4376 powershell.exe 4376 powershell.exe 4784 0d28ebfd3a7f6066fbe418ed81775c13c9a58cecc6640a2ee9b12e85bb0091fc.exe 4784 0d28ebfd3a7f6066fbe418ed81775c13c9a58cecc6640a2ee9b12e85bb0091fc.exe 1644 powershell.exe 1644 powershell.exe 2728 0d28ebfd3a7f6066fbe418ed81775c13c9a58cecc6640a2ee9b12e85bb0091fc.exe 2728 0d28ebfd3a7f6066fbe418ed81775c13c9a58cecc6640a2ee9b12e85bb0091fc.exe 2728 0d28ebfd3a7f6066fbe418ed81775c13c9a58cecc6640a2ee9b12e85bb0091fc.exe 2728 0d28ebfd3a7f6066fbe418ed81775c13c9a58cecc6640a2ee9b12e85bb0091fc.exe 2728 0d28ebfd3a7f6066fbe418ed81775c13c9a58cecc6640a2ee9b12e85bb0091fc.exe 2728 0d28ebfd3a7f6066fbe418ed81775c13c9a58cecc6640a2ee9b12e85bb0091fc.exe 2728 0d28ebfd3a7f6066fbe418ed81775c13c9a58cecc6640a2ee9b12e85bb0091fc.exe 2728 0d28ebfd3a7f6066fbe418ed81775c13c9a58cecc6640a2ee9b12e85bb0091fc.exe 2728 0d28ebfd3a7f6066fbe418ed81775c13c9a58cecc6640a2ee9b12e85bb0091fc.exe 2728 0d28ebfd3a7f6066fbe418ed81775c13c9a58cecc6640a2ee9b12e85bb0091fc.exe 1640 powershell.exe 1640 powershell.exe 2468 powershell.exe 2468 powershell.exe 648 powershell.exe 648 powershell.exe 4480 powershell.exe 4480 powershell.exe 4204 powershell.exe 4204 powershell.exe 1252 injector.exe 1252 injector.exe 1252 injector.exe 1252 injector.exe 1252 injector.exe 1252 injector.exe 4932 csrss.exe 4932 csrss.exe 1252 injector.exe 1252 injector.exe 1252 injector.exe 1252 injector.exe 1252 injector.exe 1252 injector.exe 4932 csrss.exe 4932 csrss.exe 1252 injector.exe 1252 injector.exe 1252 injector.exe 1252 injector.exe 4932 csrss.exe 4932 csrss.exe 1252 injector.exe 1252 injector.exe 1252 injector.exe 1252 injector.exe 1252 injector.exe 1252 injector.exe 1252 injector.exe 1252 injector.exe 1252 injector.exe 1252 injector.exe 1252 injector.exe 1252 injector.exe 1252 injector.exe 1252 injector.exe 1252 injector.exe 1252 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4376 powershell.exe Token: SeDebugPrivilege 4784 0d28ebfd3a7f6066fbe418ed81775c13c9a58cecc6640a2ee9b12e85bb0091fc.exe Token: SeImpersonatePrivilege 4784 0d28ebfd3a7f6066fbe418ed81775c13c9a58cecc6640a2ee9b12e85bb0091fc.exe Token: SeDebugPrivilege 1644 powershell.exe Token: SeDebugPrivilege 1640 powershell.exe Token: SeDebugPrivilege 2468 powershell.exe Token: SeDebugPrivilege 648 powershell.exe Token: SeDebugPrivilege 4480 powershell.exe Token: SeDebugPrivilege 4204 powershell.exe Token: SeSystemEnvironmentPrivilege 4932 csrss.exe Token: SeSecurityPrivilege 2964 sc.exe Token: SeSecurityPrivilege 2964 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4784 wrote to memory of 4376 4784 0d28ebfd3a7f6066fbe418ed81775c13c9a58cecc6640a2ee9b12e85bb0091fc.exe 82 PID 4784 wrote to memory of 4376 4784 0d28ebfd3a7f6066fbe418ed81775c13c9a58cecc6640a2ee9b12e85bb0091fc.exe 82 PID 4784 wrote to memory of 4376 4784 0d28ebfd3a7f6066fbe418ed81775c13c9a58cecc6640a2ee9b12e85bb0091fc.exe 82 PID 2728 wrote to memory of 1644 2728 0d28ebfd3a7f6066fbe418ed81775c13c9a58cecc6640a2ee9b12e85bb0091fc.exe 87 PID 2728 wrote to memory of 1644 2728 0d28ebfd3a7f6066fbe418ed81775c13c9a58cecc6640a2ee9b12e85bb0091fc.exe 87 PID 2728 wrote to memory of 1644 2728 0d28ebfd3a7f6066fbe418ed81775c13c9a58cecc6640a2ee9b12e85bb0091fc.exe 87 PID 2728 wrote to memory of 4500 2728 0d28ebfd3a7f6066fbe418ed81775c13c9a58cecc6640a2ee9b12e85bb0091fc.exe 89 PID 2728 wrote to memory of 4500 2728 0d28ebfd3a7f6066fbe418ed81775c13c9a58cecc6640a2ee9b12e85bb0091fc.exe 89 PID 4500 wrote to memory of 1696 4500 cmd.exe 91 PID 4500 wrote to memory of 1696 4500 cmd.exe 91 PID 2728 wrote to memory of 1640 2728 0d28ebfd3a7f6066fbe418ed81775c13c9a58cecc6640a2ee9b12e85bb0091fc.exe 92 PID 2728 wrote to memory of 1640 2728 0d28ebfd3a7f6066fbe418ed81775c13c9a58cecc6640a2ee9b12e85bb0091fc.exe 92 PID 2728 wrote to memory of 1640 2728 0d28ebfd3a7f6066fbe418ed81775c13c9a58cecc6640a2ee9b12e85bb0091fc.exe 92 PID 2728 wrote to memory of 2468 2728 0d28ebfd3a7f6066fbe418ed81775c13c9a58cecc6640a2ee9b12e85bb0091fc.exe 94 PID 2728 wrote to memory of 2468 2728 0d28ebfd3a7f6066fbe418ed81775c13c9a58cecc6640a2ee9b12e85bb0091fc.exe 94 PID 2728 wrote to memory of 2468 2728 0d28ebfd3a7f6066fbe418ed81775c13c9a58cecc6640a2ee9b12e85bb0091fc.exe 94 PID 2728 wrote to memory of 4932 2728 0d28ebfd3a7f6066fbe418ed81775c13c9a58cecc6640a2ee9b12e85bb0091fc.exe 96 PID 2728 wrote to memory of 4932 2728 0d28ebfd3a7f6066fbe418ed81775c13c9a58cecc6640a2ee9b12e85bb0091fc.exe 96 PID 2728 wrote to memory of 4932 2728 0d28ebfd3a7f6066fbe418ed81775c13c9a58cecc6640a2ee9b12e85bb0091fc.exe 96 PID 4932 wrote to memory of 648 4932 csrss.exe 97 PID 4932 wrote to memory of 648 4932 csrss.exe 97 PID 4932 wrote to memory of 648 4932 csrss.exe 97 PID 4932 wrote to memory of 4480 4932 csrss.exe 103 PID 4932 wrote to memory of 4480 4932 csrss.exe 103 PID 4932 wrote to memory of 4480 4932 csrss.exe 103 PID 4932 wrote to memory of 4204 4932 csrss.exe 105 PID 4932 wrote to memory of 4204 4932 csrss.exe 105 PID 4932 wrote to memory of 4204 4932 csrss.exe 105 PID 4932 wrote to memory of 1252 4932 csrss.exe 107 PID 4932 wrote to memory of 1252 4932 csrss.exe 107 PID 4880 wrote to memory of 1428 4880 windefender.exe 113 PID 4880 wrote to memory of 1428 4880 windefender.exe 113 PID 4880 wrote to memory of 1428 4880 windefender.exe 113 PID 1428 wrote to memory of 2964 1428 cmd.exe 114 PID 1428 wrote to memory of 2964 1428 cmd.exe 114 PID 1428 wrote to memory of 2964 1428 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\0d28ebfd3a7f6066fbe418ed81775c13c9a58cecc6640a2ee9b12e85bb0091fc.exe"C:\Users\Admin\AppData\Local\Temp\0d28ebfd3a7f6066fbe418ed81775c13c9a58cecc6640a2ee9b12e85bb0091fc.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4784 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4376
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C:\Users\Admin\AppData\Local\Temp\0d28ebfd3a7f6066fbe418ed81775c13c9a58cecc6640a2ee9b12e85bb0091fc.exe"C:\Users\Admin\AppData\Local\Temp\0d28ebfd3a7f6066fbe418ed81775c13c9a58cecc6640a2ee9b12e85bb0091fc.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:2728 -
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:1644
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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:4500 -
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:1696
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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:1640
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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:2468
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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:4932 -
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:648
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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:112
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2520
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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:4204
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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:1252
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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:3044
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4880 -
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:1428 -
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:2964
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:992
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
MD5bc52f5daf75d84d718995f50aefb0a14
SHA130c2356857147ab7cd1523da94097bd98d9d1ca4
SHA2565115ab852954dc741e5e0d1991b80afe2eb5cbb157d6bcc5cee861a066e034f2
SHA512e8cffe99083f0e768566ff2f2bb626b24db276e39d148a9ff6fd09a8deabd1890e68bee535af63beae5656b220a0c085d33771b24a04d3ae4d1dd6d9b0772367
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5042af79ef1717ce071a7a4ab2b2894d8
SHA186c538398cadb6bfa95a51520f1bdb7d77b58508
SHA256b951c304006e8b20918bb3166b989f8d1319bf75e073fce9000f4a674712dc41
SHA512b849639fc4cebb9387324aca8ceb30c2cc681d13fec40f6926c6bede02edf9a2afe3307e38f0445256e7a0a774c8d22b2a36fc603d2d9f3cea7d1dfde98e1d0b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59ac9df868e84f54a3cf93ac0dd89f818
SHA1c52e1a4e29a225ebeb3226dedbf26cf5bbf197ca
SHA256c24665cb5364ca7d5a873764b3009265b5257b58a81e50c766228eeebd3ba119
SHA51280db5cebc36a985ce13ec67ffa20b09410c803395a5164ce91ab9b2f2b0852854a601a6297ad86f28dd8495f2d7a4b235f3bede3c15d6f705af65cd67af23b66
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD541ba1b6df0d75c57df79cd75f05bbf3b
SHA1a0a2b8f6f9275cca05620068653cfa98029138d8
SHA256f784ab6cd2cf2a530a47c6753d4f4c51ebcb781c45b4af19837b75f29916fb58
SHA512a9bf20cf8b018b2dc06e20c619c368c9ecc2fcfa1a7fd57ad55733211e8fa2197f5f05a3ac2f97a1816b6636dde709309322551b0d01f9315bc823109e06a401
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5340279874bf2ca4e7ce30ad9dc52c610
SHA16594b1f956194f95cd7bd82bcc56763d81a62d1a
SHA25601a4a85a6d8d7bcdc091a6e764b937d06010cd308d4dc00cde48ebd57b534e82
SHA512886229b292790eeee90d201417c301750d1295d5c6a955833573a7d0897def7c8b9edcd5e9bf6314cb25794178536ad090bc3753dfb6838e269592c5fdc735ea
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Filesize
4.1MB
MD5ef9dd01fd12c30d526f3fd732e7db38a
SHA1309e0f49bad00a4fc434cf64f5a01470f6df6913
SHA2560d28ebfd3a7f6066fbe418ed81775c13c9a58cecc6640a2ee9b12e85bb0091fc
SHA512cce186e27469ade5c1639c26f0f3775bdd00a1bf7d049c1abfb5a880de7e2f28b047c84b9d613105af2bfde5baddf056b5d16f04e7af76273348b29fff97885d
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec