Analysis
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max time kernel
149s -
max time network
147s -
platform
windows11-21h2_x64 -
resource
win11-20240412-en -
resource tags
arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system -
submitted
20/04/2024, 21:23
Static task
static1
Behavioral task
behavioral1
Sample
927125edace983867b209ca94ff7c96017c02532c14b08be642d1f7b1d1d691a.exe
Resource
win10v2004-20240412-en
General
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Target
927125edace983867b209ca94ff7c96017c02532c14b08be642d1f7b1d1d691a.exe
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Size
4.2MB
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MD5
6685e2156a153adde6c43c864f8ce036
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SHA1
3baa2e1b2b84e98a5582d542b36df23fca926d00
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SHA256
927125edace983867b209ca94ff7c96017c02532c14b08be642d1f7b1d1d691a
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SHA512
79981403fbc27ee07c6f5c13d84ba5f327be1569c3adfd00f682e94d61aabd4607e0dc2f116456fcfb525d48becf079ca9e05a4bdbbb784acd3e89aeacdb4466
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SSDEEP
98304:aB6TE4JDSTIitXqfSjBwF+v4rSSNjcdSqGUwT7RQU7Ou:nTFmTI8qKjKFA4r+dAh7RQUP
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral2/memory/3600-2-0x00000000041D0000-0x0000000004ABB000-memory.dmp family_glupteba behavioral2/memory/3600-3-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral2/memory/1828-53-0x00000000040B0000-0x000000000499B000-memory.dmp family_glupteba behavioral2/memory/1828-55-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral2/memory/3600-66-0x00000000041D0000-0x0000000004ABB000-memory.dmp family_glupteba behavioral2/memory/3600-80-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral2/memory/1828-188-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral2/memory/4692-239-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral2/memory/4692-250-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral2/memory/4692-254-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral2/memory/4692-258-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral2/memory/4692-262-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral2/memory/4692-266-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral2/memory/4692-270-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral2/memory/4692-274-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral2/memory/4692-278-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral2/memory/4692-282-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral2/memory/4692-286-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral2/memory/4692-290-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral2/memory/4692-294-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2728 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4692 csrss.exe 1372 injector.exe 2548 windefender.exe 1716 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa28-243.dat upx behavioral2/memory/2548-248-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1716-252-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1716-260-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2718508534-2116753757-2794822388-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 927125edace983867b209ca94ff7c96017c02532c14b08be642d1f7b1d1d691a.exe Set value (str) \REGISTRY\USER\S-1-5-21-2718508534-2116753757-2794822388-1000\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 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 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 -
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 927125edace983867b209ca94ff7c96017c02532c14b08be642d1f7b1d1d691a.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 927125edace983867b209ca94ff7c96017c02532c14b08be642d1f7b1d1d691a.exe File created C:\Windows\rss\csrss.exe 927125edace983867b209ca94ff7c96017c02532c14b08be642d1f7b1d1d691a.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 3640 sc.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 2112 schtasks.exe 2332 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1021 = "Bangladesh Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time" 927125edace983867b209ca94ff7c96017c02532c14b08be642d1f7b1d1d691a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" 927125edace983867b209ca94ff7c96017c02532c14b08be642d1f7b1d1d691a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" 927125edace983867b209ca94ff7c96017c02532c14b08be642d1f7b1d1d691a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-364 = "Middle East Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-3051 = "Qyzylorda Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-292 = "Central European Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time" 927125edace983867b209ca94ff7c96017c02532c14b08be642d1f7b1d1d691a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1862 = "Russia TZ 6 Standard Time" 927125edace983867b209ca94ff7c96017c02532c14b08be642d1f7b1d1d691a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2411 = "Marquesas Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" 927125edace983867b209ca94ff7c96017c02532c14b08be642d1f7b1d1d691a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-81 = "Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1872 = "Russia TZ 7 Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2632 = "Norfolk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" 927125edace983867b209ca94ff7c96017c02532c14b08be642d1f7b1d1d691a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" 927125edace983867b209ca94ff7c96017c02532c14b08be642d1f7b1d1d691a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time" 927125edace983867b209ca94ff7c96017c02532c14b08be642d1f7b1d1d691a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" 927125edace983867b209ca94ff7c96017c02532c14b08be642d1f7b1d1d691a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-492 = "India Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1472 = "Magadan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time" 927125edace983867b209ca94ff7c96017c02532c14b08be642d1f7b1d1d691a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2771 = "Omsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1832 = "Russia TZ 2 Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-342 = "Egypt Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-371 = "Jerusalem Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-562 = "SE Asia Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time" 927125edace983867b209ca94ff7c96017c02532c14b08be642d1f7b1d1d691a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-131 = "US Eastern Daylight 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\26\52C64B7E\@tzres.dll,-251 = "Dateline Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time" 927125edace983867b209ca94ff7c96017c02532c14b08be642d1f7b1d1d691a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates 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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time" 927125edace983867b209ca94ff7c96017c02532c14b08be642d1f7b1d1d691a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time" 927125edace983867b209ca94ff7c96017c02532c14b08be642d1f7b1d1d691a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-842 = "Argentina Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-381 = "South Africa Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates 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\26\52C64B7E\@tzres.dll,-2592 = "Tocantins Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time" 927125edace983867b209ca94ff7c96017c02532c14b08be642d1f7b1d1d691a.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 612 powershell.exe 612 powershell.exe 3600 927125edace983867b209ca94ff7c96017c02532c14b08be642d1f7b1d1d691a.exe 3600 927125edace983867b209ca94ff7c96017c02532c14b08be642d1f7b1d1d691a.exe 1884 powershell.exe 1884 powershell.exe 1828 927125edace983867b209ca94ff7c96017c02532c14b08be642d1f7b1d1d691a.exe 1828 927125edace983867b209ca94ff7c96017c02532c14b08be642d1f7b1d1d691a.exe 1828 927125edace983867b209ca94ff7c96017c02532c14b08be642d1f7b1d1d691a.exe 1828 927125edace983867b209ca94ff7c96017c02532c14b08be642d1f7b1d1d691a.exe 1828 927125edace983867b209ca94ff7c96017c02532c14b08be642d1f7b1d1d691a.exe 1828 927125edace983867b209ca94ff7c96017c02532c14b08be642d1f7b1d1d691a.exe 1828 927125edace983867b209ca94ff7c96017c02532c14b08be642d1f7b1d1d691a.exe 1828 927125edace983867b209ca94ff7c96017c02532c14b08be642d1f7b1d1d691a.exe 1828 927125edace983867b209ca94ff7c96017c02532c14b08be642d1f7b1d1d691a.exe 1828 927125edace983867b209ca94ff7c96017c02532c14b08be642d1f7b1d1d691a.exe 764 powershell.exe 764 powershell.exe 2064 powershell.exe 2064 powershell.exe 1668 powershell.exe 1668 powershell.exe 2644 powershell.exe 2644 powershell.exe 4780 powershell.exe 4780 powershell.exe 1372 injector.exe 1372 injector.exe 1372 injector.exe 1372 injector.exe 1372 injector.exe 1372 injector.exe 4692 csrss.exe 4692 csrss.exe 1372 injector.exe 1372 injector.exe 1372 injector.exe 1372 injector.exe 1372 injector.exe 1372 injector.exe 4692 csrss.exe 4692 csrss.exe 1372 injector.exe 1372 injector.exe 1372 injector.exe 1372 injector.exe 1372 injector.exe 1372 injector.exe 4692 csrss.exe 4692 csrss.exe 1372 injector.exe 1372 injector.exe 1372 injector.exe 1372 injector.exe 1372 injector.exe 1372 injector.exe 1372 injector.exe 1372 injector.exe 1372 injector.exe 1372 injector.exe 1372 injector.exe 1372 injector.exe 1372 injector.exe 1372 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 612 powershell.exe Token: SeDebugPrivilege 3600 927125edace983867b209ca94ff7c96017c02532c14b08be642d1f7b1d1d691a.exe Token: SeImpersonatePrivilege 3600 927125edace983867b209ca94ff7c96017c02532c14b08be642d1f7b1d1d691a.exe Token: SeDebugPrivilege 1884 powershell.exe Token: SeDebugPrivilege 764 powershell.exe Token: SeDebugPrivilege 2064 powershell.exe Token: SeDebugPrivilege 1668 powershell.exe Token: SeDebugPrivilege 2644 powershell.exe Token: SeDebugPrivilege 4780 powershell.exe Token: SeSystemEnvironmentPrivilege 4692 csrss.exe Token: SeSecurityPrivilege 3640 sc.exe Token: SeSecurityPrivilege 3640 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3600 wrote to memory of 612 3600 927125edace983867b209ca94ff7c96017c02532c14b08be642d1f7b1d1d691a.exe 81 PID 3600 wrote to memory of 612 3600 927125edace983867b209ca94ff7c96017c02532c14b08be642d1f7b1d1d691a.exe 81 PID 3600 wrote to memory of 612 3600 927125edace983867b209ca94ff7c96017c02532c14b08be642d1f7b1d1d691a.exe 81 PID 1828 wrote to memory of 1884 1828 927125edace983867b209ca94ff7c96017c02532c14b08be642d1f7b1d1d691a.exe 86 PID 1828 wrote to memory of 1884 1828 927125edace983867b209ca94ff7c96017c02532c14b08be642d1f7b1d1d691a.exe 86 PID 1828 wrote to memory of 1884 1828 927125edace983867b209ca94ff7c96017c02532c14b08be642d1f7b1d1d691a.exe 86 PID 1828 wrote to memory of 4604 1828 927125edace983867b209ca94ff7c96017c02532c14b08be642d1f7b1d1d691a.exe 88 PID 1828 wrote to memory of 4604 1828 927125edace983867b209ca94ff7c96017c02532c14b08be642d1f7b1d1d691a.exe 88 PID 4604 wrote to memory of 2728 4604 cmd.exe 90 PID 4604 wrote to memory of 2728 4604 cmd.exe 90 PID 1828 wrote to memory of 764 1828 927125edace983867b209ca94ff7c96017c02532c14b08be642d1f7b1d1d691a.exe 91 PID 1828 wrote to memory of 764 1828 927125edace983867b209ca94ff7c96017c02532c14b08be642d1f7b1d1d691a.exe 91 PID 1828 wrote to memory of 764 1828 927125edace983867b209ca94ff7c96017c02532c14b08be642d1f7b1d1d691a.exe 91 PID 1828 wrote to memory of 2064 1828 927125edace983867b209ca94ff7c96017c02532c14b08be642d1f7b1d1d691a.exe 93 PID 1828 wrote to memory of 2064 1828 927125edace983867b209ca94ff7c96017c02532c14b08be642d1f7b1d1d691a.exe 93 PID 1828 wrote to memory of 2064 1828 927125edace983867b209ca94ff7c96017c02532c14b08be642d1f7b1d1d691a.exe 93 PID 1828 wrote to memory of 4692 1828 927125edace983867b209ca94ff7c96017c02532c14b08be642d1f7b1d1d691a.exe 95 PID 1828 wrote to memory of 4692 1828 927125edace983867b209ca94ff7c96017c02532c14b08be642d1f7b1d1d691a.exe 95 PID 1828 wrote to memory of 4692 1828 927125edace983867b209ca94ff7c96017c02532c14b08be642d1f7b1d1d691a.exe 95 PID 4692 wrote to memory of 1668 4692 csrss.exe 96 PID 4692 wrote to memory of 1668 4692 csrss.exe 96 PID 4692 wrote to memory of 1668 4692 csrss.exe 96 PID 4692 wrote to memory of 2644 4692 csrss.exe 102 PID 4692 wrote to memory of 2644 4692 csrss.exe 102 PID 4692 wrote to memory of 2644 4692 csrss.exe 102 PID 4692 wrote to memory of 4780 4692 csrss.exe 104 PID 4692 wrote to memory of 4780 4692 csrss.exe 104 PID 4692 wrote to memory of 4780 4692 csrss.exe 104 PID 4692 wrote to memory of 1372 4692 csrss.exe 106 PID 4692 wrote to memory of 1372 4692 csrss.exe 106 PID 2548 wrote to memory of 4964 2548 windefender.exe 112 PID 2548 wrote to memory of 4964 2548 windefender.exe 112 PID 2548 wrote to memory of 4964 2548 windefender.exe 112 PID 4964 wrote to memory of 3640 4964 cmd.exe 113 PID 4964 wrote to memory of 3640 4964 cmd.exe 113 PID 4964 wrote to memory of 3640 4964 cmd.exe 113 -
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\927125edace983867b209ca94ff7c96017c02532c14b08be642d1f7b1d1d691a.exe"C:\Users\Admin\AppData\Local\Temp\927125edace983867b209ca94ff7c96017c02532c14b08be642d1f7b1d1d691a.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3600 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:612
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C:\Users\Admin\AppData\Local\Temp\927125edace983867b209ca94ff7c96017c02532c14b08be642d1f7b1d1d691a.exe"C:\Users\Admin\AppData\Local\Temp\927125edace983867b209ca94ff7c96017c02532c14b08be642d1f7b1d1d691a.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:1828 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1884
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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:4604 -
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:2728
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:764
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2064
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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:4692 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1668
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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:2112
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1440
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2644
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4780
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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:1372
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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:2332
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2548 -
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:4964 -
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:3640
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1716
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
MD5a3e16106f18c381ed226040b13b55b5f
SHA19531d5d8604b628e4e116d94920a64524b273197
SHA256f36d857efa02f91fc416a96e4174b2b71ef55d1b7847a41acdff765b92b4a41f
SHA5125b7cba7fada85ff182f012daec5ade24841bc278920cc889b5fc104cc0df380e1aa623390bd624ed0dbf36a064ff0647e5d9560dba49f70a47c694bba2e9a5df
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5cf987954bcd8ca4ecb389cc0d50ce4dd
SHA101552e75303ccef04569803b96196af6cc909d31
SHA2563d61fe93b0fe3405b4cab4aa7d95a286e90698736ac85be3be37b2412c2a3bf7
SHA51294d33b66f3218ba9c195a4aeb6ed4b50f7ca87a1bf1b803d5fcd36b60dfae409dc2420f1178e9cece5c19030d4047022dd8355b04c5e44333c55aa2978a1baba
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53356e72f62c72894e0e5eab1f766e71d
SHA11671ba853975ddcb77e15705042f0d3ed6d5af63
SHA256c99db9d8ae8843bc354da565ddba01dbe0d8ad4af8400652e307e21fff1cc030
SHA512c45d937d38dc7f6cf9b4248287e252e4026e988815b55a7c7b8ad2d8c0a811ceabe49ea109ea22dcdcdf9da692bc6ac51b893bd84ab533982a4f75b58e06d59c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a136b929d231d4774183f09103058a7d
SHA1e6beb3146b2be7adb0eaffded7fcf3b464147e2a
SHA256eb163771f5c7081e101b2d3629cca69c98e5590c3fd5d4750471cdf4ac05a300
SHA512c8c358c9f279d8e956ff04ca9f03d278cfc6e96359f3d85252a93a2b2d8ea03931e102dc717a5523ba8751be3401eb96b706cb717e665ee55ac2bc84681fa879
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58bde5bbdb3b499be9b6e0f267af49da3
SHA1b1d7232492876d6ca55f3ebaac4ae226bf2a12fe
SHA256aecce541f3bc94cdb3246749af077438309b9e468a0476405211a8853034b778
SHA5121c5a01d6aa07334b9573fef68e12acf68fef60a4ec2371c0a078608ecfbcf35b65e3e80b68593be0f7b229c134a24d1766497a1e8ab09c5be37d443bac5e5515
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Filesize
4.2MB
MD56685e2156a153adde6c43c864f8ce036
SHA13baa2e1b2b84e98a5582d542b36df23fca926d00
SHA256927125edace983867b209ca94ff7c96017c02532c14b08be642d1f7b1d1d691a
SHA51279981403fbc27ee07c6f5c13d84ba5f327be1569c3adfd00f682e94d61aabd4607e0dc2f116456fcfb525d48becf079ca9e05a4bdbbb784acd3e89aeacdb4466
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec