Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
17-05-2024 07:39
Static task
static1
Behavioral task
behavioral1
Sample
8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.exe
Resource
win10v2004-20240508-en
General
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Target
8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.exe
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Size
4.1MB
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MD5
9488a1add393c655e00741529f1a2c72
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SHA1
0c234c1dd855c39b8d2653d302d78c40e9f4a2f1
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SHA256
8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87
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SHA512
c851274058ecf86037cbe7961b73c0402efc6c4cc84e24970bdcd94d39fc4fb0b39cb5ab600adc042759310f9529b73c6959ccc8114c9378923e735c29a2814f
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SSDEEP
98304:g0IUXroYDzElV89sdV2qHm3LaKbYXl7F29tEHWEXgelgSAZWSyDiLT:bIU7SlV8K2X2AhEHFgekcA
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/2552-2-0x0000000004B40000-0x000000000542B000-memory.dmp family_glupteba behavioral1/memory/2552-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2552-8-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/2552-57-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2552-58-0x0000000004B40000-0x000000000542B000-memory.dmp family_glupteba behavioral1/memory/2552-55-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/2204-83-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/2204-137-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/3972-164-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/3972-222-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/3972-230-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/3972-232-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/3972-234-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/3972-236-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/3972-238-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/3972-240-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/3972-242-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/3972-244-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/3972-246-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 804 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3972 csrss.exe 3928 injector.exe 2944 windefender.exe 2684 windefender.exe -
resource yara_rule behavioral1/files/0x0008000000023418-225.dat upx behavioral1/memory/2944-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2944-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2684-231-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2684-235-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.exe Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\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 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 -
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 8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.exe File created C:\Windows\rss\csrss.exe 8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.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 2768 sc.exe -
pid Process 2364 powershell.exe 4852 powershell.exe 3704 powershell.exe 2396 powershell.exe 2624 powershell.exe 4988 powershell.exe 4976 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 2832 schtasks.exe 1096 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,-1472 = "Magadan Standard Time" 8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time" 8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" 8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-262 = "GMT Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-412 = "E. Africa Standard Time" 8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time" 8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time" 8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.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\@tzres.dll,-2061 = "North Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time" 8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time" 8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" 8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time" 8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1721 = "Libya Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" 8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.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,-2042 = "Eastern Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-791 = "SA Western Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time" 8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" 8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.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,-2161 = "Altai Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2512 = "Lord Howe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3142 = "South Sudan Standard Time" windefender.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" 8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time" 8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-652 = "AUS Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time" 8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.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\@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,-42 = "E. South America Standard Time" 8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time" 8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.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\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" 8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs 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,-291 = "Central European Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1801 = "Line Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time" 8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates 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\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-449 = "Azerbaijan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-362 = "GTB Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" 8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-151 = "Central America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-572 = "China Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time" 8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time" 8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4976 powershell.exe 4976 powershell.exe 2552 8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.exe 2552 8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.exe 2364 powershell.exe 2364 powershell.exe 2204 8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.exe 2204 8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.exe 2204 8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.exe 2204 8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.exe 2204 8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.exe 2204 8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.exe 2204 8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.exe 2204 8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.exe 2204 8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.exe 2204 8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.exe 4852 powershell.exe 4852 powershell.exe 3704 powershell.exe 3704 powershell.exe 2396 powershell.exe 2396 powershell.exe 2624 powershell.exe 2624 powershell.exe 4988 powershell.exe 4988 powershell.exe 3928 injector.exe 3928 injector.exe 3928 injector.exe 3928 injector.exe 3928 injector.exe 3928 injector.exe 3972 csrss.exe 3972 csrss.exe 3928 injector.exe 3928 injector.exe 3928 injector.exe 3928 injector.exe 3928 injector.exe 3928 injector.exe 3972 csrss.exe 3972 csrss.exe 3928 injector.exe 3928 injector.exe 3972 csrss.exe 3972 csrss.exe 3928 injector.exe 3928 injector.exe 3928 injector.exe 3928 injector.exe 3928 injector.exe 3928 injector.exe 3928 injector.exe 3928 injector.exe 3928 injector.exe 3928 injector.exe 3928 injector.exe 3928 injector.exe 3928 injector.exe 3928 injector.exe 3928 injector.exe 3928 injector.exe 3928 injector.exe 3928 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4976 powershell.exe Token: SeDebugPrivilege 2552 8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.exe Token: SeImpersonatePrivilege 2552 8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.exe Token: SeDebugPrivilege 2364 powershell.exe Token: SeDebugPrivilege 4852 powershell.exe Token: SeDebugPrivilege 3704 powershell.exe Token: SeDebugPrivilege 2396 powershell.exe Token: SeDebugPrivilege 2624 powershell.exe Token: SeDebugPrivilege 4988 powershell.exe Token: SeSystemEnvironmentPrivilege 3972 csrss.exe Token: SeSecurityPrivilege 2768 sc.exe Token: SeSecurityPrivilege 2768 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2552 wrote to memory of 4976 2552 8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.exe 90 PID 2552 wrote to memory of 4976 2552 8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.exe 90 PID 2552 wrote to memory of 4976 2552 8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.exe 90 PID 2204 wrote to memory of 2364 2204 8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.exe 96 PID 2204 wrote to memory of 2364 2204 8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.exe 96 PID 2204 wrote to memory of 2364 2204 8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.exe 96 PID 2204 wrote to memory of 5004 2204 8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.exe 98 PID 2204 wrote to memory of 5004 2204 8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.exe 98 PID 5004 wrote to memory of 804 5004 cmd.exe 100 PID 5004 wrote to memory of 804 5004 cmd.exe 100 PID 2204 wrote to memory of 4852 2204 8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.exe 101 PID 2204 wrote to memory of 4852 2204 8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.exe 101 PID 2204 wrote to memory of 4852 2204 8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.exe 101 PID 2204 wrote to memory of 3704 2204 8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.exe 104 PID 2204 wrote to memory of 3704 2204 8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.exe 104 PID 2204 wrote to memory of 3704 2204 8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.exe 104 PID 2204 wrote to memory of 3972 2204 8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.exe 106 PID 2204 wrote to memory of 3972 2204 8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.exe 106 PID 2204 wrote to memory of 3972 2204 8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.exe 106 PID 3972 wrote to memory of 2396 3972 csrss.exe 108 PID 3972 wrote to memory of 2396 3972 csrss.exe 108 PID 3972 wrote to memory of 2396 3972 csrss.exe 108 PID 3972 wrote to memory of 2624 3972 csrss.exe 113 PID 3972 wrote to memory of 2624 3972 csrss.exe 113 PID 3972 wrote to memory of 2624 3972 csrss.exe 113 PID 3972 wrote to memory of 4988 3972 csrss.exe 116 PID 3972 wrote to memory of 4988 3972 csrss.exe 116 PID 3972 wrote to memory of 4988 3972 csrss.exe 116 PID 3972 wrote to memory of 3928 3972 csrss.exe 118 PID 3972 wrote to memory of 3928 3972 csrss.exe 118 PID 2944 wrote to memory of 4008 2944 windefender.exe 124 PID 2944 wrote to memory of 4008 2944 windefender.exe 124 PID 2944 wrote to memory of 4008 2944 windefender.exe 124 PID 4008 wrote to memory of 2768 4008 cmd.exe 125 PID 4008 wrote to memory of 2768 4008 cmd.exe 125 PID 4008 wrote to memory of 2768 4008 cmd.exe 125 -
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\8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.exe"C:\Users\Admin\AppData\Local\Temp\8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2552 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4976
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C:\Users\Admin\AppData\Local\Temp\8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.exe"C:\Users\Admin\AppData\Local\Temp\8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.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:2204 -
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:2364
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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:5004 -
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:804
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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:4852
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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:3704
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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:3972 -
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:2396
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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:1096
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4624
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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:2624
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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:4988
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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:3928
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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:2832
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2944 -
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:4008 -
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:2768
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2684
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
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e3b5a18eaba04af3bbd22c7bb903898b
SHA1b0bbf80d0d68e23552e8b16b4324cb88836bd2f8
SHA25661179491403f1158c6c4bf6c521b49b2bc276e407160cbfad7196a83aed84cce
SHA512ba4fbb4ed57ef4d18bfb515c56ae8287bc7bbcdee917af5dab2bb42dccf8c0097c0030f58f721f3a6063feffef300b9e6cd8a46f040e4bcb1e2b157111c65528
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5bd6bc0f7b704565b1060eb5196ae57c1
SHA18d9ce3af43046907018d0b925501a92d438d36e8
SHA256ba05e4a562f8ed204c1285cfe3cfea1d0d39f64c69e28787f6a56f2bff509a12
SHA512c3d51d2f5e9b6df0d8255592618db607205d7133102c4368313511d885640cf3001f93626bbe71eb61aca03f427c2231e172cc3e49be75a641ffd3f99ff6eea7
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5573ec944862fac885c6576716ea7a53c
SHA15b07144263c9eab8a9fc5297a76def928cbd9e84
SHA25681e7a19306a036289e0ce2324f7e9e69548172e1f9fd7686147022bdeead1ab1
SHA512d7c53dd86f6856d1fb5b409fd5086de04dffd1cb07c860ab8fe51ec6d4b3c002b6027d608b560a804b81dcc7322c9997953ecd77098df77afefec945b1718e3f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51f08ba15aa93fbc5c7d7a3af46b6d56f
SHA196bb6a34df53d641315350c66e14dbfcdce2e539
SHA256627ab0566c8d39713987aea7204be824b38664a983faeca4740d6b05a42dacdd
SHA5128ec68f43d2b36a36313df7b7065f62b83703a068eeae3311b1cb0f096ad4cccf2b8bc620f93a7bd7c24068fbfec87349874b0ba0a2628035347ea66a688306d5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54124af351ed173c77a445aa0ed372b31
SHA1343bad70d171a28dc40bc1692a7459843c44d12a
SHA256af244dc3a7e6097ed3c9c8a999e023b7689240b4de6285440836ec987a40b706
SHA512ae8838eefdd652a61e3fa5e37f0398ee068c1ca79ec6ab83e6d70fff210dd55f96d69f34a826bdb8f86662f49090a5c30cb8157317d79313b26c7f90ed121dc0
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Filesize
4.1MB
MD59488a1add393c655e00741529f1a2c72
SHA10c234c1dd855c39b8d2653d302d78c40e9f4a2f1
SHA2568fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87
SHA512c851274058ecf86037cbe7961b73c0402efc6c4cc84e24970bdcd94d39fc4fb0b39cb5ab600adc042759310f9529b73c6959ccc8114c9378923e735c29a2814f
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec