Analysis
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max time kernel
150s -
max time network
130s -
platform
windows11-21h2_x64 -
resource
win11-20240221-en -
resource tags
arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system -
submitted
26/03/2024, 00:47
Static task
static1
Behavioral task
behavioral1
Sample
bd934a1392706d8ad39f652b363abbaa8d11ef8ee271448a4ec5a682fb337e4f.exe
Resource
win10v2004-20240226-en
General
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Target
bd934a1392706d8ad39f652b363abbaa8d11ef8ee271448a4ec5a682fb337e4f.exe
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Size
4.2MB
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MD5
8eb134d003fb1c004957023a78029f66
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SHA1
ec5201fde46f5c0b956b6b2e53b416d7f1bff939
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SHA256
bd934a1392706d8ad39f652b363abbaa8d11ef8ee271448a4ec5a682fb337e4f
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SHA512
5245335699dc0a784148241568ff5f06a3bc2a32a251e50c8984b272116811b890164c68af01d9697fbef53abefc08586577c70f9728840c775614b80e8e95d9
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SSDEEP
98304:EMyKfNuXaHZ9b6EhwgnluNC+UvJtD6kk1SvQ1ZbBK+Mwc:7yKfIX+Z5ZfyzIHDtE1Kdwc
Malware Config
Signatures
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Glupteba payload 21 IoCs
resource yara_rule behavioral2/memory/4704-2-0x0000000003120000-0x0000000003A0B000-memory.dmp family_glupteba behavioral2/memory/4704-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4704-44-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4704-54-0x0000000003120000-0x0000000003A0B000-memory.dmp family_glupteba behavioral2/memory/4616-56-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4704-57-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4616-89-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4616-117-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4616-145-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4616-195-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3004-211-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3004-246-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3004-257-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3004-260-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3004-264-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3004-268-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3004-272-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3004-276-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3004-280-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3004-284-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3004-288-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4644 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3004 csrss.exe 2360 injector.exe 344 windefender.exe 3156 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a812-250.dat upx behavioral2/memory/344-256-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3156-261-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3156-269-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-160263616-143223877-1356318919-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" bd934a1392706d8ad39f652b363abbaa8d11ef8ee271448a4ec5a682fb337e4f.exe Set value (str) \REGISTRY\USER\S-1-5-21-160263616-143223877-1356318919-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN bd934a1392706d8ad39f652b363abbaa8d11ef8ee271448a4ec5a682fb337e4f.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 bd934a1392706d8ad39f652b363abbaa8d11ef8ee271448a4ec5a682fb337e4f.exe File created C:\Windows\rss\csrss.exe bd934a1392706d8ad39f652b363abbaa8d11ef8ee271448a4ec5a682fb337e4f.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 2160 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 3884 schtasks.exe 3484 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-652 = "AUS Central Standard Time" bd934a1392706d8ad39f652b363abbaa8d11ef8ee271448a4ec5a682fb337e4f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" bd934a1392706d8ad39f652b363abbaa8d11ef8ee271448a4ec5a682fb337e4f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time" bd934a1392706d8ad39f652b363abbaa8d11ef8ee271448a4ec5a682fb337e4f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-51 = "Greenland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2941 = "Sao Tome Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.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\22\52C64B7E\@tzres.dll,-448 = "Azerbaijan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-434 = "Georgian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1872 = "Russia TZ 7 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2842 = "Saratov Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-131 = "US Eastern Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time" bd934a1392706d8ad39f652b363abbaa8d11ef8ee271448a4ec5a682fb337e4f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time" bd934a1392706d8ad39f652b363abbaa8d11ef8ee271448a4ec5a682fb337e4f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" bd934a1392706d8ad39f652b363abbaa8d11ef8ee271448a4ec5a682fb337e4f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time" bd934a1392706d8ad39f652b363abbaa8d11ef8ee271448a4ec5a682fb337e4f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates 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\22\52C64B7E\@tzres.dll,-81 = "Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-891 = "Morocco Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-3141 = "South Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-402 = "Arabic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time" bd934a1392706d8ad39f652b363abbaa8d11ef8ee271448a4ec5a682fb337e4f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" bd934a1392706d8ad39f652b363abbaa8d11ef8ee271448a4ec5a682fb337e4f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-52 = "Greenland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-502 = "Nepal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-384 = "Namibia Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-462 = "Afghanistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-542 = "Myanmar Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" bd934a1392706d8ad39f652b363abbaa8d11ef8ee271448a4ec5a682fb337e4f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" bd934a1392706d8ad39f652b363abbaa8d11ef8ee271448a4ec5a682fb337e4f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs 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\22\52C64B7E\@tzres.dll,-335 = "Jordan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" bd934a1392706d8ad39f652b363abbaa8d11ef8ee271448a4ec5a682fb337e4f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time" bd934a1392706d8ad39f652b363abbaa8d11ef8ee271448a4ec5a682fb337e4f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-682 = "E. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1822 = "Russia TZ 1 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2412 = "Marquesas Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-211 = "Pacific Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\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\22\52C64B7E\@tzres.dll,-432 = "Iran Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" bd934a1392706d8ad39f652b363abbaa8d11ef8ee271448a4ec5a682fb337e4f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time" bd934a1392706d8ad39f652b363abbaa8d11ef8ee271448a4ec5a682fb337e4f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2451 = "Saint Pierre Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4028 powershell.exe 4028 powershell.exe 4704 bd934a1392706d8ad39f652b363abbaa8d11ef8ee271448a4ec5a682fb337e4f.exe 4704 bd934a1392706d8ad39f652b363abbaa8d11ef8ee271448a4ec5a682fb337e4f.exe 3268 powershell.exe 3268 powershell.exe 4616 bd934a1392706d8ad39f652b363abbaa8d11ef8ee271448a4ec5a682fb337e4f.exe 4616 bd934a1392706d8ad39f652b363abbaa8d11ef8ee271448a4ec5a682fb337e4f.exe 4616 bd934a1392706d8ad39f652b363abbaa8d11ef8ee271448a4ec5a682fb337e4f.exe 4616 bd934a1392706d8ad39f652b363abbaa8d11ef8ee271448a4ec5a682fb337e4f.exe 4616 bd934a1392706d8ad39f652b363abbaa8d11ef8ee271448a4ec5a682fb337e4f.exe 4616 bd934a1392706d8ad39f652b363abbaa8d11ef8ee271448a4ec5a682fb337e4f.exe 4616 bd934a1392706d8ad39f652b363abbaa8d11ef8ee271448a4ec5a682fb337e4f.exe 4616 bd934a1392706d8ad39f652b363abbaa8d11ef8ee271448a4ec5a682fb337e4f.exe 4616 bd934a1392706d8ad39f652b363abbaa8d11ef8ee271448a4ec5a682fb337e4f.exe 4616 bd934a1392706d8ad39f652b363abbaa8d11ef8ee271448a4ec5a682fb337e4f.exe 1988 powershell.exe 1988 powershell.exe 3784 powershell.exe 3784 powershell.exe 440 powershell.exe 440 powershell.exe 2500 powershell.exe 2500 powershell.exe 4416 powershell.exe 4416 powershell.exe 2360 injector.exe 2360 injector.exe 2360 injector.exe 2360 injector.exe 2360 injector.exe 2360 injector.exe 2360 injector.exe 2360 injector.exe 2360 injector.exe 3004 csrss.exe 2360 injector.exe 3004 csrss.exe 2360 injector.exe 2360 injector.exe 2360 injector.exe 2360 injector.exe 2360 injector.exe 2360 injector.exe 3004 csrss.exe 3004 csrss.exe 2360 injector.exe 2360 injector.exe 2360 injector.exe 2360 injector.exe 3004 csrss.exe 3004 csrss.exe 2360 injector.exe 2360 injector.exe 2360 injector.exe 2360 injector.exe 2360 injector.exe 2360 injector.exe 2360 injector.exe 2360 injector.exe 2360 injector.exe 2360 injector.exe 2360 injector.exe 2360 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4028 powershell.exe Token: SeDebugPrivilege 4704 bd934a1392706d8ad39f652b363abbaa8d11ef8ee271448a4ec5a682fb337e4f.exe Token: SeImpersonatePrivilege 4704 bd934a1392706d8ad39f652b363abbaa8d11ef8ee271448a4ec5a682fb337e4f.exe Token: SeDebugPrivilege 3268 powershell.exe Token: SeDebugPrivilege 1988 powershell.exe Token: SeDebugPrivilege 3784 powershell.exe Token: SeDebugPrivilege 440 powershell.exe Token: SeDebugPrivilege 2500 powershell.exe Token: SeDebugPrivilege 4416 powershell.exe Token: SeSystemEnvironmentPrivilege 3004 csrss.exe Token: SeSecurityPrivilege 2160 sc.exe Token: SeSecurityPrivilege 2160 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4704 wrote to memory of 4028 4704 bd934a1392706d8ad39f652b363abbaa8d11ef8ee271448a4ec5a682fb337e4f.exe 81 PID 4704 wrote to memory of 4028 4704 bd934a1392706d8ad39f652b363abbaa8d11ef8ee271448a4ec5a682fb337e4f.exe 81 PID 4704 wrote to memory of 4028 4704 bd934a1392706d8ad39f652b363abbaa8d11ef8ee271448a4ec5a682fb337e4f.exe 81 PID 4616 wrote to memory of 3268 4616 bd934a1392706d8ad39f652b363abbaa8d11ef8ee271448a4ec5a682fb337e4f.exe 86 PID 4616 wrote to memory of 3268 4616 bd934a1392706d8ad39f652b363abbaa8d11ef8ee271448a4ec5a682fb337e4f.exe 86 PID 4616 wrote to memory of 3268 4616 bd934a1392706d8ad39f652b363abbaa8d11ef8ee271448a4ec5a682fb337e4f.exe 86 PID 4616 wrote to memory of 3184 4616 bd934a1392706d8ad39f652b363abbaa8d11ef8ee271448a4ec5a682fb337e4f.exe 88 PID 4616 wrote to memory of 3184 4616 bd934a1392706d8ad39f652b363abbaa8d11ef8ee271448a4ec5a682fb337e4f.exe 88 PID 3184 wrote to memory of 4644 3184 cmd.exe 90 PID 3184 wrote to memory of 4644 3184 cmd.exe 90 PID 4616 wrote to memory of 1988 4616 bd934a1392706d8ad39f652b363abbaa8d11ef8ee271448a4ec5a682fb337e4f.exe 91 PID 4616 wrote to memory of 1988 4616 bd934a1392706d8ad39f652b363abbaa8d11ef8ee271448a4ec5a682fb337e4f.exe 91 PID 4616 wrote to memory of 1988 4616 bd934a1392706d8ad39f652b363abbaa8d11ef8ee271448a4ec5a682fb337e4f.exe 91 PID 4616 wrote to memory of 3784 4616 bd934a1392706d8ad39f652b363abbaa8d11ef8ee271448a4ec5a682fb337e4f.exe 93 PID 4616 wrote to memory of 3784 4616 bd934a1392706d8ad39f652b363abbaa8d11ef8ee271448a4ec5a682fb337e4f.exe 93 PID 4616 wrote to memory of 3784 4616 bd934a1392706d8ad39f652b363abbaa8d11ef8ee271448a4ec5a682fb337e4f.exe 93 PID 4616 wrote to memory of 3004 4616 bd934a1392706d8ad39f652b363abbaa8d11ef8ee271448a4ec5a682fb337e4f.exe 95 PID 4616 wrote to memory of 3004 4616 bd934a1392706d8ad39f652b363abbaa8d11ef8ee271448a4ec5a682fb337e4f.exe 95 PID 4616 wrote to memory of 3004 4616 bd934a1392706d8ad39f652b363abbaa8d11ef8ee271448a4ec5a682fb337e4f.exe 95 PID 3004 wrote to memory of 440 3004 csrss.exe 96 PID 3004 wrote to memory of 440 3004 csrss.exe 96 PID 3004 wrote to memory of 440 3004 csrss.exe 96 PID 3004 wrote to memory of 2500 3004 csrss.exe 102 PID 3004 wrote to memory of 2500 3004 csrss.exe 102 PID 3004 wrote to memory of 2500 3004 csrss.exe 102 PID 3004 wrote to memory of 4416 3004 csrss.exe 104 PID 3004 wrote to memory of 4416 3004 csrss.exe 104 PID 3004 wrote to memory of 4416 3004 csrss.exe 104 PID 3004 wrote to memory of 2360 3004 csrss.exe 106 PID 3004 wrote to memory of 2360 3004 csrss.exe 106 PID 344 wrote to memory of 2040 344 windefender.exe 112 PID 344 wrote to memory of 2040 344 windefender.exe 112 PID 344 wrote to memory of 2040 344 windefender.exe 112 PID 2040 wrote to memory of 2160 2040 cmd.exe 113 PID 2040 wrote to memory of 2160 2040 cmd.exe 113 PID 2040 wrote to memory of 2160 2040 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\bd934a1392706d8ad39f652b363abbaa8d11ef8ee271448a4ec5a682fb337e4f.exe"C:\Users\Admin\AppData\Local\Temp\bd934a1392706d8ad39f652b363abbaa8d11ef8ee271448a4ec5a682fb337e4f.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4704 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4028
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C:\Users\Admin\AppData\Local\Temp\bd934a1392706d8ad39f652b363abbaa8d11ef8ee271448a4ec5a682fb337e4f.exe"C:\Users\Admin\AppData\Local\Temp\bd934a1392706d8ad39f652b363abbaa8d11ef8ee271448a4ec5a682fb337e4f.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:4616 -
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:3268
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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:3184 -
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:4644
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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:1988
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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:3784
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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:3004 -
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:440
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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:3884
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3244
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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:2500
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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:4416
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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:2360
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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:3484
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:344 -
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:2040 -
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:2160
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3156
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
MD5a8cdd7e198ae942c4c7e151092a659ff
SHA124affb67a2ba8d5186a66b750a075b71de893b35
SHA256c0db7ddd308d68588ba4bee289701159bc169f435ade945982673bc684f36ab1
SHA512b9e4101e17264b677c4318db8756d614caff978187ba9a69d81ae2ff6e008ddbf4f5b90c9cbe57d140340ffe119ac241e738788ca7d55a84a0af5821de589b69
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58e6952fe90551411b0f01babe9b2a109
SHA1ca66be83dfba1a0842de3d7be377c7bf00d37b17
SHA256666a227cac03718c75ed0ebe42b22ec32c0230730fcc1c28deec40c60ea224d4
SHA512ffb0909c85d5cbc398ff45b2885a225d90ef22d38338d1b608f537e6c8a954a02c2509e18f20ae31a3234dc68629ce96b9f77d5188d8748c0ad8e02bc5c79d9a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ef3c7456ea766daae11a9bbf68f2caaa
SHA1a57f06774204817991e581383c5cd613e8f68222
SHA2561023091e20b3db72c6064bcb28e0b53ed8239a1555347def24bf02469e138482
SHA512021fbc7418cff66c12ccb0b4715cc0fec94ddfb292537be1916fdc1901f76f5bfc304bc17880984b90f96c179f328729ff0fe642ce71647f85ce6f49710f5066
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5dbab5e59ed050908bf91cd7e500548be
SHA1754fbf1971e9e73064503a39ff142fafc05d138f
SHA256bc5b9145a09691a79a5a950104d4556c13ac5e2cf5d5a9ae065c8944e188d2f9
SHA512cdd4614eb2d9882e1a70bb310629d8e69506ad7c88a9f6a45286dd041a1c64b9f3b721f4990f89e11ac582b90c25c4e55511202ce64488b7e67a76ff4ff3c7a0
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57e0a82567fa6496ed18416b50a9faac0
SHA1d4114caab2296efa26f179cf25f4c77a46e10e03
SHA256a3c935c9405f29e85271fe2c2acbcb121022f664045f8d874620e3ba48b7f7b2
SHA51212411f4b2df8205fef9acdcbe4f660824f42f049db6eacac9c4f480c788966f2e27eefb304f8a4084ab4bb0cdce966e5f7f8bd68f692e85754cd65ef22aa1c7d
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Filesize
4.2MB
MD58eb134d003fb1c004957023a78029f66
SHA1ec5201fde46f5c0b956b6b2e53b416d7f1bff939
SHA256bd934a1392706d8ad39f652b363abbaa8d11ef8ee271448a4ec5a682fb337e4f
SHA5125245335699dc0a784148241568ff5f06a3bc2a32a251e50c8984b272116811b890164c68af01d9697fbef53abefc08586577c70f9728840c775614b80e8e95d9
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec