Analysis
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max time kernel
149s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20231020-en -
resource tags
arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system -
submitted
01/11/2023, 07:25
Static task
static1
General
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Target
f85440f6d62e544ba203cb82aaf0c5f87891a169d06fad35b005eed3cbd2b7ea.exe
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Size
4.1MB
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MD5
1e2af774b1398122d50fa935f17dd0dc
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SHA1
d4bd6d2a8f1c9eb3d7b9d8cd786b9bb51e4b471b
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SHA256
f85440f6d62e544ba203cb82aaf0c5f87891a169d06fad35b005eed3cbd2b7ea
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SHA512
b7c4d231f3604e8a9c2627e31d7fa3d3202abf717eac7e4ec661127a910ce42ffd6d06fe029ef07411b6766567c919294815353d79c0a0fd20095209e56df402
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SSDEEP
98304:VTuWA16aaCRDeEmORNPlRT58ekiS1OPHAtZgoxATG:nAZ5eEmORVlRzxSdx7
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral1/memory/4436-2-0x00000000031E0000-0x0000000003ACB000-memory.dmp family_glupteba behavioral1/memory/4436-3-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4436-23-0x00000000031E0000-0x0000000003ACB000-memory.dmp family_glupteba behavioral1/memory/4436-26-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4436-60-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3432-63-0x0000000002EC0000-0x00000000037AB000-memory.dmp family_glupteba behavioral1/memory/3432-64-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3432-93-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3432-99-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3432-142-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3432-208-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3300-228-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3300-265-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3300-275-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3300-279-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3300-283-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3300-287-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3300-291-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3300-295-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3300-303-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 3532 netsh.exe -
Executes dropped EXE 5 IoCs
pid Process 3300 csrss.exe 3448 injector.exe 2812 windefender.exe 316 windefender.exe 2276 f801950a962ddba14caaa44bf084b55c.exe -
resource yara_rule behavioral1/files/0x0007000000022e9c-268.dat upx behavioral1/files/0x0007000000022e9c-270.dat upx behavioral1/files/0x0007000000022e9c-271.dat upx behavioral1/memory/2812-272-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/316-276-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/316-284-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/files/0x00100000000006d7-299.dat upx behavioral1/files/0x00100000000006d7-301.dat upx behavioral1/memory/316-302-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2276-306-0x0000000000400000-0x0000000000C25000-memory.dmp upx behavioral1/memory/2276-308-0x0000000000400000-0x0000000000C25000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3350690463-3549324357-1323838019-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" f85440f6d62e544ba203cb82aaf0c5f87891a169d06fad35b005eed3cbd2b7ea.exe Set value (str) \REGISTRY\USER\S-1-5-21-3350690463-3549324357-1323838019-1000\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 f85440f6d62e544ba203cb82aaf0c5f87891a169d06fad35b005eed3cbd2b7ea.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss f85440f6d62e544ba203cb82aaf0c5f87891a169d06fad35b005eed3cbd2b7ea.exe File created C:\Windows\rss\csrss.exe f85440f6d62e544ba203cb82aaf0c5f87891a169d06fad35b005eed3cbd2b7ea.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 2788 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 2056 schtasks.exe 1524 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-722 = "Central Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time" f85440f6d62e544ba203cb82aaf0c5f87891a169d06fad35b005eed3cbd2b7ea.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates 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\1a\52C64B7E\@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time" f85440f6d62e544ba203cb82aaf0c5f87891a169d06fad35b005eed3cbd2b7ea.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time" f85440f6d62e544ba203cb82aaf0c5f87891a169d06fad35b005eed3cbd2b7ea.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\1a\52C64B7E\@tzres.dll,-2432 = "Cuba Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-961 = "Paraguay Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-3142 = "South Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" f85440f6d62e544ba203cb82aaf0c5f87891a169d06fad35b005eed3cbd2b7ea.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time" f85440f6d62e544ba203cb82aaf0c5f87891a169d06fad35b005eed3cbd2b7ea.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" f85440f6d62e544ba203cb82aaf0c5f87891a169d06fad35b005eed3cbd2b7ea.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" f85440f6d62e544ba203cb82aaf0c5f87891a169d06fad35b005eed3cbd2b7ea.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" f85440f6d62e544ba203cb82aaf0c5f87891a169d06fad35b005eed3cbd2b7ea.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time" f85440f6d62e544ba203cb82aaf0c5f87891a169d06fad35b005eed3cbd2b7ea.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time" f85440f6d62e544ba203cb82aaf0c5f87891a169d06fad35b005eed3cbd2b7ea.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time" f85440f6d62e544ba203cb82aaf0c5f87891a169d06fad35b005eed3cbd2b7ea.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time" f85440f6d62e544ba203cb82aaf0c5f87891a169d06fad35b005eed3cbd2b7ea.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time" f85440f6d62e544ba203cb82aaf0c5f87891a169d06fad35b005eed3cbd2b7ea.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs 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\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time" f85440f6d62e544ba203cb82aaf0c5f87891a169d06fad35b005eed3cbd2b7ea.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time" f85440f6d62e544ba203cb82aaf0c5f87891a169d06fad35b005eed3cbd2b7ea.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-12 = "Azores Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-141 = "Canada Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-411 = "E. Africa Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust 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\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-81 = "Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-151 = "Central America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-282 = "Central Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-721 = "Central Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time" f85440f6d62e544ba203cb82aaf0c5f87891a169d06fad35b005eed3cbd2b7ea.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time" f85440f6d62e544ba203cb82aaf0c5f87891a169d06fad35b005eed3cbd2b7ea.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-152 = "Central America Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-111 = "Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2451 = "Saint Pierre Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2892 = "Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time" f85440f6d62e544ba203cb82aaf0c5f87891a169d06fad35b005eed3cbd2b7ea.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" f85440f6d62e544ba203cb82aaf0c5f87891a169d06fad35b005eed3cbd2b7ea.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" f85440f6d62e544ba203cb82aaf0c5f87891a169d06fad35b005eed3cbd2b7ea.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.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\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time" f85440f6d62e544ba203cb82aaf0c5f87891a169d06fad35b005eed3cbd2b7ea.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" f85440f6d62e544ba203cb82aaf0c5f87891a169d06fad35b005eed3cbd2b7ea.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-232 = "Hawaiian Standard Time" windefender.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\1a\52C64B7E\@tzres.dll,-1722 = "Libya Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4972 powershell.exe 4972 powershell.exe 4436 f85440f6d62e544ba203cb82aaf0c5f87891a169d06fad35b005eed3cbd2b7ea.exe 4436 f85440f6d62e544ba203cb82aaf0c5f87891a169d06fad35b005eed3cbd2b7ea.exe 1356 powershell.exe 1356 powershell.exe 1356 powershell.exe 3432 f85440f6d62e544ba203cb82aaf0c5f87891a169d06fad35b005eed3cbd2b7ea.exe 3432 f85440f6d62e544ba203cb82aaf0c5f87891a169d06fad35b005eed3cbd2b7ea.exe 3432 f85440f6d62e544ba203cb82aaf0c5f87891a169d06fad35b005eed3cbd2b7ea.exe 3432 f85440f6d62e544ba203cb82aaf0c5f87891a169d06fad35b005eed3cbd2b7ea.exe 3432 f85440f6d62e544ba203cb82aaf0c5f87891a169d06fad35b005eed3cbd2b7ea.exe 3432 f85440f6d62e544ba203cb82aaf0c5f87891a169d06fad35b005eed3cbd2b7ea.exe 3432 f85440f6d62e544ba203cb82aaf0c5f87891a169d06fad35b005eed3cbd2b7ea.exe 3432 f85440f6d62e544ba203cb82aaf0c5f87891a169d06fad35b005eed3cbd2b7ea.exe 3432 f85440f6d62e544ba203cb82aaf0c5f87891a169d06fad35b005eed3cbd2b7ea.exe 3432 f85440f6d62e544ba203cb82aaf0c5f87891a169d06fad35b005eed3cbd2b7ea.exe 2288 powershell.exe 2288 powershell.exe 2288 powershell.exe 2116 powershell.exe 2116 powershell.exe 2904 powershell.exe 2904 powershell.exe 2904 powershell.exe 4780 powershell.exe 4780 powershell.exe 4780 powershell.exe 2288 powershell.exe 2288 powershell.exe 2288 powershell.exe 3448 injector.exe 3448 injector.exe 3448 injector.exe 3448 injector.exe 3448 injector.exe 3448 injector.exe 3300 csrss.exe 3300 csrss.exe 3448 injector.exe 3448 injector.exe 3448 injector.exe 3448 injector.exe 3448 injector.exe 3448 injector.exe 3300 csrss.exe 3300 csrss.exe 3448 injector.exe 3448 injector.exe 3448 injector.exe 3448 injector.exe 3300 csrss.exe 3300 csrss.exe 3448 injector.exe 3448 injector.exe 3448 injector.exe 3448 injector.exe 3448 injector.exe 3448 injector.exe 3448 injector.exe 3448 injector.exe 3448 injector.exe 3448 injector.exe 3448 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4972 powershell.exe Token: SeDebugPrivilege 4436 f85440f6d62e544ba203cb82aaf0c5f87891a169d06fad35b005eed3cbd2b7ea.exe Token: SeImpersonatePrivilege 4436 f85440f6d62e544ba203cb82aaf0c5f87891a169d06fad35b005eed3cbd2b7ea.exe Token: SeDebugPrivilege 1356 powershell.exe Token: SeDebugPrivilege 2288 powershell.exe Token: SeDebugPrivilege 2116 powershell.exe Token: SeDebugPrivilege 2904 powershell.exe Token: SeDebugPrivilege 4780 powershell.exe Token: SeDebugPrivilege 2288 powershell.exe Token: SeSystemEnvironmentPrivilege 3300 csrss.exe Token: SeSecurityPrivilege 2788 sc.exe Token: SeSecurityPrivilege 2788 sc.exe -
Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 4436 wrote to memory of 4972 4436 f85440f6d62e544ba203cb82aaf0c5f87891a169d06fad35b005eed3cbd2b7ea.exe 90 PID 4436 wrote to memory of 4972 4436 f85440f6d62e544ba203cb82aaf0c5f87891a169d06fad35b005eed3cbd2b7ea.exe 90 PID 4436 wrote to memory of 4972 4436 f85440f6d62e544ba203cb82aaf0c5f87891a169d06fad35b005eed3cbd2b7ea.exe 90 PID 3432 wrote to memory of 1356 3432 f85440f6d62e544ba203cb82aaf0c5f87891a169d06fad35b005eed3cbd2b7ea.exe 103 PID 3432 wrote to memory of 1356 3432 f85440f6d62e544ba203cb82aaf0c5f87891a169d06fad35b005eed3cbd2b7ea.exe 103 PID 3432 wrote to memory of 1356 3432 f85440f6d62e544ba203cb82aaf0c5f87891a169d06fad35b005eed3cbd2b7ea.exe 103 PID 3432 wrote to memory of 3704 3432 f85440f6d62e544ba203cb82aaf0c5f87891a169d06fad35b005eed3cbd2b7ea.exe 105 PID 3432 wrote to memory of 3704 3432 f85440f6d62e544ba203cb82aaf0c5f87891a169d06fad35b005eed3cbd2b7ea.exe 105 PID 3704 wrote to memory of 3532 3704 cmd.exe 107 PID 3704 wrote to memory of 3532 3704 cmd.exe 107 PID 3432 wrote to memory of 2288 3432 f85440f6d62e544ba203cb82aaf0c5f87891a169d06fad35b005eed3cbd2b7ea.exe 108 PID 3432 wrote to memory of 2288 3432 f85440f6d62e544ba203cb82aaf0c5f87891a169d06fad35b005eed3cbd2b7ea.exe 108 PID 3432 wrote to memory of 2288 3432 f85440f6d62e544ba203cb82aaf0c5f87891a169d06fad35b005eed3cbd2b7ea.exe 108 PID 3432 wrote to memory of 2116 3432 f85440f6d62e544ba203cb82aaf0c5f87891a169d06fad35b005eed3cbd2b7ea.exe 110 PID 3432 wrote to memory of 2116 3432 f85440f6d62e544ba203cb82aaf0c5f87891a169d06fad35b005eed3cbd2b7ea.exe 110 PID 3432 wrote to memory of 2116 3432 f85440f6d62e544ba203cb82aaf0c5f87891a169d06fad35b005eed3cbd2b7ea.exe 110 PID 3432 wrote to memory of 3300 3432 f85440f6d62e544ba203cb82aaf0c5f87891a169d06fad35b005eed3cbd2b7ea.exe 113 PID 3432 wrote to memory of 3300 3432 f85440f6d62e544ba203cb82aaf0c5f87891a169d06fad35b005eed3cbd2b7ea.exe 113 PID 3432 wrote to memory of 3300 3432 f85440f6d62e544ba203cb82aaf0c5f87891a169d06fad35b005eed3cbd2b7ea.exe 113 PID 3300 wrote to memory of 2904 3300 csrss.exe 114 PID 3300 wrote to memory of 2904 3300 csrss.exe 114 PID 3300 wrote to memory of 2904 3300 csrss.exe 114 PID 3300 wrote to memory of 4780 3300 csrss.exe 119 PID 3300 wrote to memory of 4780 3300 csrss.exe 119 PID 3300 wrote to memory of 4780 3300 csrss.exe 119 PID 3300 wrote to memory of 2288 3300 csrss.exe 122 PID 3300 wrote to memory of 2288 3300 csrss.exe 122 PID 3300 wrote to memory of 2288 3300 csrss.exe 122 PID 3300 wrote to memory of 3448 3300 csrss.exe 124 PID 3300 wrote to memory of 3448 3300 csrss.exe 124 PID 2812 wrote to memory of 1608 2812 windefender.exe 130 PID 2812 wrote to memory of 1608 2812 windefender.exe 130 PID 2812 wrote to memory of 1608 2812 windefender.exe 130 PID 1608 wrote to memory of 2788 1608 cmd.exe 131 PID 1608 wrote to memory of 2788 1608 cmd.exe 131 PID 1608 wrote to memory of 2788 1608 cmd.exe 131 PID 3300 wrote to memory of 2276 3300 csrss.exe 143 PID 3300 wrote to memory of 2276 3300 csrss.exe 143 PID 3300 wrote to memory of 2276 3300 csrss.exe 143 -
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\f85440f6d62e544ba203cb82aaf0c5f87891a169d06fad35b005eed3cbd2b7ea.exe"C:\Users\Admin\AppData\Local\Temp\f85440f6d62e544ba203cb82aaf0c5f87891a169d06fad35b005eed3cbd2b7ea.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4436 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4972
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C:\Users\Admin\AppData\Local\Temp\f85440f6d62e544ba203cb82aaf0c5f87891a169d06fad35b005eed3cbd2b7ea.exe"C:\Users\Admin\AppData\Local\Temp\f85440f6d62e544ba203cb82aaf0c5f87891a169d06fad35b005eed3cbd2b7ea.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:3432 -
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:1356
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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:3704 -
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:3532
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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:2288
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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:2116
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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:3300 -
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:2904
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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:1524
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:400
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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:\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:2288
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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:3448
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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:2056
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2812 -
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:1608 -
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:2788
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C:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exeC:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exe4⤵
- Executes dropped EXE
PID:2276 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn "csrss" /f5⤵PID:780
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn "ScheduledUpdate" /f5⤵PID:5028
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:316
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
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
3.2MB
MD5f801950a962ddba14caaa44bf084b55c
SHA17cadc9076121297428442785536ba0df2d4ae996
SHA256c3946ec89e15b24b743c46f9acacb58cff47da63f3ce2799d71ed90496b8891f
SHA5124183bc76bdc84fb779e2e573d9a63d7de47096b63b945f9e335bee95ae28eb208f5ee15f6501ac59623b97c5b77f3455ca313512e7d9803e1704ae22a52459c5
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Filesize
3.2MB
MD5f801950a962ddba14caaa44bf084b55c
SHA17cadc9076121297428442785536ba0df2d4ae996
SHA256c3946ec89e15b24b743c46f9acacb58cff47da63f3ce2799d71ed90496b8891f
SHA5124183bc76bdc84fb779e2e573d9a63d7de47096b63b945f9e335bee95ae28eb208f5ee15f6501ac59623b97c5b77f3455ca313512e7d9803e1704ae22a52459c5
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Filesize
99KB
MD509031a062610d77d685c9934318b4170
SHA1880f744184e7774f3d14c1bb857e21cc7fe89a6d
SHA256778bd69af403df3c4e074c31b3850d71bf0e64524bea4272a802ca9520b379dd
SHA5129a276e1f0f55d35f2bf38eb093464f7065bdd30a660e6d1c62eed5e76d1fb2201567b89d9ae65d2d89dc99b142159e36fb73be8d5e08252a975d50544a7cda27
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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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
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5be9558080eca2aef0253b6198f0eb67c
SHA1d24fda6024648e5d41fe4dd3d9c57ab79cf6aca1
SHA256289cad7bf53612e4396f7fb00ad83dd52ff71285d5769c44459b23a2ff44bd3c
SHA5122b02ef0efcc34d0500a938f8c9b2f8b63970c5584bcf8a2425b58c7d547a67ebf010980f77e02ecceeb499df275a70e73745e152c87f28daa5bbe95ed64dde4c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5eedb56f341392c001cc7b66506cf68d4
SHA198853d53f350ae2e78cf107ce06c5829fbd8c4cd
SHA2561cbc73b590b4f23575220bd4d8724009f4b79dba3250f439be5cf01cdee22891
SHA5125163170c8b5472929fbe00ecbfd666450aca4c663c2f03d7f31ec79d33fd660e8132bd7453a76030103eb1c828e4c12abea0b3da3677c83a2c5d99b0c51b58aa
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5fde3aeee346b76d4caa9f77348d939dc
SHA109ec51f6e71d25d92fac693279746425064ac91a
SHA2563d3999d406f8bfaf62c2a75e99aa82c61e3267c0e76fa18fe3f16894b2a69c64
SHA5122745ac0b701ce6b6852115621aff24989c39af3c5d09ef6824be9bce72fd83bca959c50f9ffa517db0f8949e2fcef8316934ff09db2e1664a08af058044ffc0c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57b4640c2ff2ea976673c711a6d4d75bf
SHA1d1c6111e57a722192edb3b9c4324f4af0e908e63
SHA256ef47267b260e59ba16efe69c839ba41cbcf44eb068df7f71c17b0e4d7ef54c00
SHA512e9c83b227f0bbae5abffb3f0dd15612748056de40aaabe39070458050c5569a6339773094e8d7fb22ede17bd6cadffbce2645f040f42852fe5b16d0fa2dfbda1
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57b44254e320d31f776b2c4e4fd3e715b
SHA1112b8bc7f8a70fddd10873ae6c3bb5d1c4da6ce2
SHA256cda75c2522009e384585e908d15a5e0649200e6d6bb20d35baecf81132aba361
SHA512f7620a4bd9f9c466a7d1ca40ce971f0ef6305f4bc22f19dd38405388c145a7f03ca68941b1c9834411a9e324ebcedf3c5947f66185ed430b70bead4d3f914f50
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Filesize
4.1MB
MD51e2af774b1398122d50fa935f17dd0dc
SHA1d4bd6d2a8f1c9eb3d7b9d8cd786b9bb51e4b471b
SHA256f85440f6d62e544ba203cb82aaf0c5f87891a169d06fad35b005eed3cbd2b7ea
SHA512b7c4d231f3604e8a9c2627e31d7fa3d3202abf717eac7e4ec661127a910ce42ffd6d06fe029ef07411b6766567c919294815353d79c0a0fd20095209e56df402
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Filesize
4.1MB
MD51e2af774b1398122d50fa935f17dd0dc
SHA1d4bd6d2a8f1c9eb3d7b9d8cd786b9bb51e4b471b
SHA256f85440f6d62e544ba203cb82aaf0c5f87891a169d06fad35b005eed3cbd2b7ea
SHA512b7c4d231f3604e8a9c2627e31d7fa3d3202abf717eac7e4ec661127a910ce42ffd6d06fe029ef07411b6766567c919294815353d79c0a0fd20095209e56df402
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec