Analysis
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max time kernel
149s -
max time network
136s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
20-05-2024 04:04
Static task
static1
Behavioral task
behavioral1
Sample
b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.exe
Resource
win10v2004-20240426-en
General
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Target
b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.exe
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Size
4.1MB
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MD5
913016c057745b4209865e82b93bf284
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SHA1
b58b838ed0334d981b1c44f4351589b20b86ca16
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SHA256
b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c
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SHA512
775ed796717dd965a318f0f31ef8cacdc3cef1545dbb5a61f3088a4f744c582d472876a7ac268cd4fb71e80592c2545c7b260c83433d617ed2b9373f11f13263
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SSDEEP
98304:uQAQcsa3GhfWYEvpb4LdECaqY+VYhFzXw/u5g9cAd9nw:uQAQcDPYxuCJe7X5ghfw
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/3880-2-0x00000000049D0000-0x00000000052BB000-memory.dmp family_glupteba behavioral2/memory/3880-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3880-48-0x00000000049D0000-0x00000000052BB000-memory.dmp family_glupteba behavioral2/memory/3880-62-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/3880-99-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3560-121-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/3560-126-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/4976-196-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/4976-204-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/4976-215-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/4976-218-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/4976-221-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/4976-224-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/4976-227-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/4976-230-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/4976-233-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/4976-236-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/4976-239-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/4976-242-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2524 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4976 csrss.exe 3120 injector.exe 4520 windefender.exe 4780 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa66-207.dat upx behavioral2/memory/4520-208-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4520-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4780-212-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4780-216-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4780-222-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3433428765-2473475212-4279855560-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.exe Set value (str) \REGISTRY\USER\S-1-5-21-3433428765-2473475212-4279855560-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.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 b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.exe File created C:\Windows\rss\csrss.exe b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.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 2304 sc.exe -
pid Process 1676 powershell.exe 3320 powershell.exe 4388 powershell.exe 3704 powershell.exe 4548 powershell.exe 4820 powershell.exe 1560 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 1920 schtasks.exe 772 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process 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,-448 = "Azerbaijan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-171 = "Central Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-692 = "Tasmania Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-411 = "E. Africa 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,-432 = "Iran Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.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,-2432 = "Cuba Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 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,-722 = "Central Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-492 = "India Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time" b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time" b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-772 = "Montevideo Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time" b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.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,-2411 = "Marquesas Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time" b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time" b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time" b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time" b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time" b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time" b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-31 = "Mid-Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2892 = "Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time" b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.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\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\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\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time" b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1892 = "Russia TZ 3 Standard Time" b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time" b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.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,-731 = "Fiji Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-122 = "SA Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4820 powershell.exe 4820 powershell.exe 3880 b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.exe 3880 b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.exe 1560 powershell.exe 1560 powershell.exe 3560 b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.exe 3560 b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.exe 3560 b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.exe 3560 b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.exe 3560 b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.exe 3560 b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.exe 3560 b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.exe 3560 b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.exe 3560 b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.exe 3560 b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.exe 1676 powershell.exe 1676 powershell.exe 3320 powershell.exe 3320 powershell.exe 4388 powershell.exe 4388 powershell.exe 3704 powershell.exe 3704 powershell.exe 4548 powershell.exe 4548 powershell.exe 3120 injector.exe 3120 injector.exe 3120 injector.exe 3120 injector.exe 3120 injector.exe 3120 injector.exe 4976 csrss.exe 4976 csrss.exe 3120 injector.exe 3120 injector.exe 3120 injector.exe 3120 injector.exe 3120 injector.exe 3120 injector.exe 4976 csrss.exe 4976 csrss.exe 3120 injector.exe 3120 injector.exe 4976 csrss.exe 4976 csrss.exe 3120 injector.exe 3120 injector.exe 3120 injector.exe 3120 injector.exe 3120 injector.exe 3120 injector.exe 3120 injector.exe 3120 injector.exe 3120 injector.exe 3120 injector.exe 3120 injector.exe 3120 injector.exe 3120 injector.exe 3120 injector.exe 3120 injector.exe 3120 injector.exe 3120 injector.exe 3120 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4820 powershell.exe Token: SeDebugPrivilege 3880 b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.exe Token: SeImpersonatePrivilege 3880 b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.exe Token: SeDebugPrivilege 1560 powershell.exe Token: SeDebugPrivilege 1676 powershell.exe Token: SeDebugPrivilege 3320 powershell.exe Token: SeDebugPrivilege 4388 powershell.exe Token: SeDebugPrivilege 3704 powershell.exe Token: SeDebugPrivilege 4548 powershell.exe Token: SeSystemEnvironmentPrivilege 4976 csrss.exe Token: SeSecurityPrivilege 2304 sc.exe Token: SeSecurityPrivilege 2304 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3880 wrote to memory of 4820 3880 b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.exe 82 PID 3880 wrote to memory of 4820 3880 b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.exe 82 PID 3880 wrote to memory of 4820 3880 b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.exe 82 PID 3560 wrote to memory of 1560 3560 b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.exe 87 PID 3560 wrote to memory of 1560 3560 b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.exe 87 PID 3560 wrote to memory of 1560 3560 b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.exe 87 PID 3560 wrote to memory of 2932 3560 b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.exe 89 PID 3560 wrote to memory of 2932 3560 b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.exe 89 PID 2932 wrote to memory of 2524 2932 cmd.exe 91 PID 2932 wrote to memory of 2524 2932 cmd.exe 91 PID 3560 wrote to memory of 1676 3560 b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.exe 92 PID 3560 wrote to memory of 1676 3560 b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.exe 92 PID 3560 wrote to memory of 1676 3560 b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.exe 92 PID 3560 wrote to memory of 3320 3560 b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.exe 94 PID 3560 wrote to memory of 3320 3560 b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.exe 94 PID 3560 wrote to memory of 3320 3560 b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.exe 94 PID 3560 wrote to memory of 4976 3560 b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.exe 96 PID 3560 wrote to memory of 4976 3560 b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.exe 96 PID 3560 wrote to memory of 4976 3560 b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.exe 96 PID 4976 wrote to memory of 4388 4976 csrss.exe 97 PID 4976 wrote to memory of 4388 4976 csrss.exe 97 PID 4976 wrote to memory of 4388 4976 csrss.exe 97 PID 4976 wrote to memory of 3704 4976 csrss.exe 103 PID 4976 wrote to memory of 3704 4976 csrss.exe 103 PID 4976 wrote to memory of 3704 4976 csrss.exe 103 PID 4976 wrote to memory of 4548 4976 csrss.exe 105 PID 4976 wrote to memory of 4548 4976 csrss.exe 105 PID 4976 wrote to memory of 4548 4976 csrss.exe 105 PID 4976 wrote to memory of 3120 4976 csrss.exe 107 PID 4976 wrote to memory of 3120 4976 csrss.exe 107 PID 4520 wrote to memory of 1856 4520 windefender.exe 113 PID 4520 wrote to memory of 1856 4520 windefender.exe 113 PID 4520 wrote to memory of 1856 4520 windefender.exe 113 PID 1856 wrote to memory of 2304 1856 cmd.exe 114 PID 1856 wrote to memory of 2304 1856 cmd.exe 114 PID 1856 wrote to memory of 2304 1856 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\b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.exe"C:\Users\Admin\AppData\Local\Temp\b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3880 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4820
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C:\Users\Admin\AppData\Local\Temp\b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.exe"C:\Users\Admin\AppData\Local\Temp\b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.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:3560 -
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:1560
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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:2932 -
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:2524
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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:1676
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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:3320
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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:4976 -
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:4388
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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:1920
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4668
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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:3704
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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:4548
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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:3120
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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:772
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4520 -
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:1856 -
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:2304
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4780
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b99d543c3ec67b3787b91a38341cbf2d
SHA174a9734f21feeb2820c752db9ee29ab16d614591
SHA2568d3b4cf6d1b9dc1aebe263383120cc6b1af10a84714cacf5381a455ef0d5a8ae
SHA512303bd461e17568b7ac452a568514dc6e153cfa623687649d0b19a0e64f311c8260ca4423bdd898c912adadb54f056c63ba69af4fdf842ffe1d12e56ae6e26a4f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ef28d5ee28408d6c4894a636157d5738
SHA11d2584477d2bbcd28094ef44172db2208053669d
SHA256e4a29f9c2bee3e186f867fa9aff6c343c1bb030846232e33701d3f77eb3025e2
SHA51249a1dcc01c27293aaf22d624227f61345de4cf0d765fb4b86d4f6a9b6c8b8a8c84cdfc8abf10ab603ee5d8d40cf58d2fe8d443c4d69d243542a47a8fcedc83de
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d0d12a99534e02215c7b0f8fe73c799a
SHA1988b278f5e836898251331c714e707215a346b3c
SHA256116342142f6d5e12bbf6a0d930fd438a7be1847b5329c3034384923cf61138ef
SHA512293219a18b5ba5d6aab013f9a10f62a7cb52eff6d61081d6f8e31ad618f8583d11a083e2c5e9a23fe50ea58b41e3f842daa37e46e244d5bbe2305a22c2157001
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5864b5fdf1c08fc09fb66b211de408a93
SHA1ca6982f22fba0b69cb517e68a61f70631eeb4b47
SHA2562eae4214f02eb1b6cd7e5222b80ad69b2be7f31e28de3fb7ed9b2dd2936aedbc
SHA5127b567746c9184b6c5c564c9f658db0047edd8ed1796c69c0df0dbde27b0ae7d7fc4d9bd93cfc3a782fcc5574ab4aee6b493b2b57e3cfe7ac64a446dc65018584
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5205429028ff011eccbe208ca9f6aaeac
SHA19861338fa90e160f24f79f59fc21660c9c548860
SHA25691cb2e3c6e6457fd2983f5f2072c8e6ca8a071905600170e325e443b74cd6e87
SHA5126ef1f22497d8d8fef5567679811dc1531d4482eca28da68d365de158f03819c8a96199c0d986cae884b4bfc518b6717f9a6b4ae6b6b4420264e22e2ff5758baa
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Filesize
4.1MB
MD5913016c057745b4209865e82b93bf284
SHA1b58b838ed0334d981b1c44f4351589b20b86ca16
SHA256b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c
SHA512775ed796717dd965a318f0f31ef8cacdc3cef1545dbb5a61f3088a4f744c582d472876a7ac268cd4fb71e80592c2545c7b260c83433d617ed2b9373f11f13263
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec