Analysis
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max time kernel
149s -
max time network
125s -
platform
windows11-21h2_x64 -
resource
win11-20240419-en -
resource tags
arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-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 16 IoCs
resource yara_rule behavioral2/memory/3380-2-0x0000000004C40000-0x000000000552B000-memory.dmp family_glupteba behavioral2/memory/3380-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3380-24-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/3380-55-0x0000000004C40000-0x000000000552B000-memory.dmp family_glupteba behavioral2/memory/3380-54-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/3380-78-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/780-77-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/780-129-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/4652-132-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/4652-200-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/4652-211-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/4652-219-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/4652-228-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/4652-237-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/4652-246-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/4652-254-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3004 netsh.exe -
Executes dropped EXE 1 IoCs
pid Process 4652 csrss.exe -
resource yara_rule behavioral2/memory/1796-206-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2612-207-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1796-209-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2612-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2612-243-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.exe Set value (str) \REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 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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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 8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe 8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.exe File opened for modification C:\Windows\rss 8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 2752 sc.exe -
pid Process 4472 powershell.exe 3916 powershell.exe 1652 powershell.exe 4252 powershell.exe 4428 powershell.exe 2472 powershell.exe 2220 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 3280 schtasks.exe 4696 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\@tzres.dll,-151 = "Central America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-342 = "Egypt Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-792 = "SA Western Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2452 = "Saint Pierre Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2752 = "Tomsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-931 = "Coordinated Universal Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" 8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-162 = "Central Standard 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\@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" 8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" 8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard 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,-2771 = "Omsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" 8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.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,-431 = "Iran Daylight Time" windefender.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\@tzres.dll,-2142 = "Transbaikal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time" 8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" 8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" 8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed 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,-651 = "AUS Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-191 = "Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time" 8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.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,-211 = "Pacific Daylight Time" 8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.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\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" 8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time" 8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time" 8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2611 = "Bougainville Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-435 = "Georgian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2322 = "Sakhalin Standard 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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" 8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time" 8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time" 8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-771 = "Montevideo 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,-2491 = "Aus Central W. Daylight Time" 8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.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,-1831 = "Russia TZ 2 Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.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,-2181 = "Astrakhan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" 8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1912 = "Russia TZ 10 Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 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\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" 8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time" 8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" 8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-105 = "Central Brazilian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time" 8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2220 powershell.exe 2220 powershell.exe 3380 8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.exe 3380 8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.exe 4472 powershell.exe 4472 powershell.exe 780 8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.exe 780 8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.exe 780 8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.exe 780 8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.exe 780 8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.exe 780 8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.exe 780 8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.exe 780 8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.exe 780 8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.exe 780 8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.exe 3916 powershell.exe 3916 powershell.exe 1652 powershell.exe 1652 powershell.exe 4252 powershell.exe 4252 powershell.exe 4428 powershell.exe 4428 powershell.exe 2472 powershell.exe 2472 powershell.exe 2836 injector.exe 2836 injector.exe 2836 injector.exe 2836 injector.exe 2836 injector.exe 2836 injector.exe 2836 injector.exe 2836 injector.exe 2836 injector.exe 2836 injector.exe 2836 injector.exe 2836 injector.exe 2836 injector.exe 2836 injector.exe 2836 injector.exe 2836 injector.exe 2836 injector.exe 2836 injector.exe 2836 injector.exe 2836 injector.exe 2836 injector.exe 2836 injector.exe 2836 injector.exe 2836 injector.exe 2836 injector.exe 2836 injector.exe 2836 injector.exe 2836 injector.exe 2836 injector.exe 2836 injector.exe 2836 injector.exe 2836 injector.exe 2836 injector.exe 2836 injector.exe 2836 injector.exe 2836 injector.exe 2836 injector.exe 2836 injector.exe -
Suspicious use of AdjustPrivilegeToken 11 IoCs
description pid Process Token: SeDebugPrivilege 2220 powershell.exe Token: SeDebugPrivilege 3380 8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.exe Token: SeImpersonatePrivilege 3380 8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.exe Token: SeDebugPrivilege 4472 powershell.exe Token: SeDebugPrivilege 3916 powershell.exe Token: SeDebugPrivilege 1652 powershell.exe Token: SeDebugPrivilege 4252 powershell.exe Token: SeDebugPrivilege 4428 powershell.exe Token: SeDebugPrivilege 2472 powershell.exe Token: SeSecurityPrivilege 2752 sc.exe Token: SeSecurityPrivilege 2752 sc.exe -
Suspicious use of WriteProcessMemory 25 IoCs
description pid Process procid_target PID 3380 wrote to memory of 2220 3380 8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.exe 82 PID 3380 wrote to memory of 2220 3380 8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.exe 82 PID 3380 wrote to memory of 2220 3380 8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.exe 82 PID 780 wrote to memory of 4472 780 8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.exe 87 PID 780 wrote to memory of 4472 780 8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.exe 87 PID 780 wrote to memory of 4472 780 8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.exe 87 PID 780 wrote to memory of 3920 780 8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.exe 89 PID 780 wrote to memory of 3920 780 8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.exe 89 PID 3920 wrote to memory of 3004 3920 cmd.exe 91 PID 3920 wrote to memory of 3004 3920 cmd.exe 91 PID 780 wrote to memory of 3916 780 8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.exe 92 PID 780 wrote to memory of 3916 780 8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.exe 92 PID 780 wrote to memory of 3916 780 8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.exe 92 PID 780 wrote to memory of 1652 780 8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.exe 94 PID 780 wrote to memory of 1652 780 8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.exe 94 PID 780 wrote to memory of 1652 780 8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.exe 94 PID 780 wrote to memory of 4652 780 8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.exe 96 PID 780 wrote to memory of 4652 780 8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.exe 96 PID 780 wrote to memory of 4652 780 8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.exe 96 PID 1796 wrote to memory of 2152 1796 windefender.exe 113 PID 1796 wrote to memory of 2152 1796 windefender.exe 113 PID 1796 wrote to memory of 2152 1796 windefender.exe 113 PID 2152 wrote to memory of 2752 2152 cmd.exe 114 PID 2152 wrote to memory of 2752 2152 cmd.exe 114 PID 2152 wrote to memory of 2752 2152 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\8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.exe"C:\Users\Admin\AppData\Local\Temp\8fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3380 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2220
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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:780 -
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:4472
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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:3920 -
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:3004
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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:3916
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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:1652
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C:\Windows\rss\csrss.exeC:\Windows\rss\csrss.exe3⤵
- Executes dropped EXE
- Adds Run key to start application
PID:4652 -
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:4252
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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:3280
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2932
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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:4428
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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:2472
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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⤵
- Suspicious behavior: EnumeratesProcesses
PID:2836
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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:4696
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Suspicious use of WriteProcessMemory
PID:1796 -
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:2152 -
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:2752
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Modifies data under HKEY_USERS
PID:2612
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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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
MD53436772f3b429a7bbc740b60b9890823
SHA1f066ceff700b85629fe85a6cd87b6eb88b1d116e
SHA2561187f90f65f3b05b7c6fd7fd8562b303f65d779bd07b73d4f0105363bccef0d2
SHA5127585e451f65a9a4c151fdd4a973599a8893f5c50b99aa81bfb3f88aaaa6e8be7ccd09b0d7f8e5e69ddf57b3d98e237b6938844f12c2b94c320f61fb588a6f36e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD526d863f41fab124ad9e4a6af3ae2848d
SHA1f8de636cbc674d5e0d019565cbab329bf4c525f7
SHA2563a6a16d64ed16779c1056609cc4b3cc2c59781afd4ce29d9e597078f3485a6b1
SHA512da9499f61bb5d7339ccad97592b87decf7063bf56160243db7f7f16e75d2e29062ef8596175e5ea1ab5c254f40fca6c644b8a83d6a8e4714af43d0e4fc021609
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c06dc8672bef0f85dc4ebf8f3b0d9f8e
SHA1698e45c39f1abc1216b4895c2200878c78617d1b
SHA2562a7461f8b7ce36351ae76723adc3ea6ca01170275cab83f96a33019310a7fa04
SHA5127d17ccbcbbe9e96c7da450cb5b93706fa3cede9270df810575bc3907d7e5642dfc5008f701babb84a2175b52f2992e657758b6695be985e4a408ca58b405c920
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5cd14f0d86109aa0cb8423bd917d8e9e0
SHA1fe055f8bef22a0b9c97c2b25466776dcd2805096
SHA256c9f1ae1ea5e1c7c964b9bd3115b52bfb1115b93cd69b31119ea81f8c4ce839f5
SHA512cee6c91a8b41f01ab411e54db57864d8422ef87205fc1fda43f7f4f11285a23b27b8742f22d0f2386fa0873f0f4aa8f36b63579a80a26b953eb0d2ceeb3163d5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54d60a33a1103ef9ae1e565bc257b6edf
SHA1a0a7d36c7baf801940278bbb925146f348e6e775
SHA2561f4c9c67f9a349cbbbcc2860b6b3d0c260e8bad060d9a8823a2bbb569b94bc9d
SHA512e411772be7c79f9680d31d07601eafd81400b229a6af1ad26e0a407244736bee14090a721cf249cec1cb4a2d4b684b1c752e421ccb459f24ebff3b0e8ed7309b
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Filesize
4.1MB
MD59488a1add393c655e00741529f1a2c72
SHA10c234c1dd855c39b8d2653d302d78c40e9f4a2f1
SHA2568fb9bacf9c4f07ba22534c99b80203a3177dfd26b80fbce6d64030a98a70dd87
SHA512c851274058ecf86037cbe7961b73c0402efc6c4cc84e24970bdcd94d39fc4fb0b39cb5ab600adc042759310f9529b73c6959ccc8114c9378923e735c29a2814f