Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
20-05-2024 04:52
Static task
static1
Behavioral task
behavioral1
Sample
af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297.exe
Resource
win10v2004-20240426-en
General
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Target
af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297.exe
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Size
4.1MB
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MD5
73721887b1e40471f291a80a58d66ff0
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SHA1
6066a9a7b39677b25ac347cf911abc4d68cc75e0
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SHA256
af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297
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SHA512
df281d4c2f9ef8812aec35ddafed222da487ee0af69b4be95578a2680ab562b9ce95c935eddfd1358c0b447d750be3c6184a4d3fd9fdc5954f2f228d9b948e8a
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SSDEEP
98304:HquwTfmIkbquibhaubey8xw4weLmAcL8k4+6XNB3Rebmbqb0l:YLmIkbquibpii2yAk4+2fEKmbm
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral1/memory/2564-2-0x0000000002DB0000-0x000000000369B000-memory.dmp family_glupteba behavioral1/memory/2564-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2564-81-0x0000000002DB0000-0x000000000369B000-memory.dmp family_glupteba behavioral1/memory/2564-106-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/884-133-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1116-214-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1116-225-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1116-228-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1116-231-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1116-234-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1116-237-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1116-240-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1116-243-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1116-246-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1116-249-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1116-252-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1116-255-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1116-258-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1400 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1116 csrss.exe 1576 injector.exe 1644 windefender.exe 3096 windefender.exe -
resource yara_rule behavioral1/files/0x000a000000022976-218.dat upx behavioral1/memory/1644-219-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3096-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1644-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3096-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3096-233-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297.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\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297.exe File created C:\Windows\rss\csrss.exe af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 5080 sc.exe -
pid Process 4668 powershell.exe 1236 powershell.exe 3644 powershell.exe 4636 powershell.exe 5052 powershell.exe 4132 powershell.exe 3248 powershell.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 5088 schtasks.exe 1884 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs 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\2a\52C64B7E\@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2871 = "Magallanes Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time" af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1912 = "Russia TZ 10 Standard Time" af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-962 = "Paraguay Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-201 = "US Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-771 = "Montevideo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2631 = "Norfolk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297.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 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-391 = "Arab Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-491 = "India Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time" af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time" af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1822 = "Russia TZ 1 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time" af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1862 = "Russia TZ 6 Standard Time" af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time" af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2001 = "Cabo Verde Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time" af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-721 = "Central Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time" af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-42 = "E. South America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-241 = "Samoa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time" af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1971 = "Belarus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-502 = "Nepal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1892 = "Russia TZ 3 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1842 = "Russia TZ 4 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\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\2a\52C64B7E\@tzres.dll,-331 = "E. Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time" af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time" af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time" af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-371 = "Jerusalem Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-385 = "Namibia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 5052 powershell.exe 5052 powershell.exe 2564 af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297.exe 2564 af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297.exe 4132 powershell.exe 4132 powershell.exe 884 af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297.exe 884 af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297.exe 884 af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297.exe 884 af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297.exe 884 af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297.exe 884 af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297.exe 884 af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297.exe 884 af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297.exe 884 af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297.exe 884 af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297.exe 3248 powershell.exe 3248 powershell.exe 4668 powershell.exe 4668 powershell.exe 1236 powershell.exe 1236 powershell.exe 3644 powershell.exe 3644 powershell.exe 4636 powershell.exe 4636 powershell.exe 1576 injector.exe 1576 injector.exe 1576 injector.exe 1576 injector.exe 1576 injector.exe 1576 injector.exe 1116 csrss.exe 1116 csrss.exe 1576 injector.exe 1576 injector.exe 1576 injector.exe 1576 injector.exe 1576 injector.exe 1576 injector.exe 1116 csrss.exe 1116 csrss.exe 1576 injector.exe 1576 injector.exe 1576 injector.exe 1576 injector.exe 1116 csrss.exe 1116 csrss.exe 1576 injector.exe 1576 injector.exe 1576 injector.exe 1576 injector.exe 1576 injector.exe 1576 injector.exe 1576 injector.exe 1576 injector.exe 1576 injector.exe 1576 injector.exe 1576 injector.exe 1576 injector.exe 1576 injector.exe 1576 injector.exe 1576 injector.exe 1576 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 5052 powershell.exe Token: SeDebugPrivilege 2564 af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297.exe Token: SeImpersonatePrivilege 2564 af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297.exe Token: SeDebugPrivilege 4132 powershell.exe Token: SeDebugPrivilege 3248 powershell.exe Token: SeDebugPrivilege 4668 powershell.exe Token: SeDebugPrivilege 1236 powershell.exe Token: SeDebugPrivilege 3644 powershell.exe Token: SeDebugPrivilege 4636 powershell.exe Token: SeSystemEnvironmentPrivilege 1116 csrss.exe Token: SeSecurityPrivilege 5080 sc.exe Token: SeSecurityPrivilege 5080 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2564 wrote to memory of 5052 2564 af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297.exe 87 PID 2564 wrote to memory of 5052 2564 af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297.exe 87 PID 2564 wrote to memory of 5052 2564 af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297.exe 87 PID 884 wrote to memory of 4132 884 af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297.exe 97 PID 884 wrote to memory of 4132 884 af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297.exe 97 PID 884 wrote to memory of 4132 884 af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297.exe 97 PID 884 wrote to memory of 2400 884 af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297.exe 101 PID 884 wrote to memory of 2400 884 af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297.exe 101 PID 2400 wrote to memory of 1400 2400 cmd.exe 103 PID 2400 wrote to memory of 1400 2400 cmd.exe 103 PID 884 wrote to memory of 3248 884 af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297.exe 104 PID 884 wrote to memory of 3248 884 af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297.exe 104 PID 884 wrote to memory of 3248 884 af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297.exe 104 PID 884 wrote to memory of 4668 884 af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297.exe 106 PID 884 wrote to memory of 4668 884 af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297.exe 106 PID 884 wrote to memory of 4668 884 af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297.exe 106 PID 884 wrote to memory of 1116 884 af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297.exe 108 PID 884 wrote to memory of 1116 884 af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297.exe 108 PID 884 wrote to memory of 1116 884 af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297.exe 108 PID 1116 wrote to memory of 1236 1116 csrss.exe 109 PID 1116 wrote to memory of 1236 1116 csrss.exe 109 PID 1116 wrote to memory of 1236 1116 csrss.exe 109 PID 1116 wrote to memory of 3644 1116 csrss.exe 115 PID 1116 wrote to memory of 3644 1116 csrss.exe 115 PID 1116 wrote to memory of 3644 1116 csrss.exe 115 PID 1116 wrote to memory of 4636 1116 csrss.exe 117 PID 1116 wrote to memory of 4636 1116 csrss.exe 117 PID 1116 wrote to memory of 4636 1116 csrss.exe 117 PID 1116 wrote to memory of 1576 1116 csrss.exe 119 PID 1116 wrote to memory of 1576 1116 csrss.exe 119 PID 1644 wrote to memory of 2296 1644 windefender.exe 127 PID 1644 wrote to memory of 2296 1644 windefender.exe 127 PID 1644 wrote to memory of 2296 1644 windefender.exe 127 PID 2296 wrote to memory of 5080 2296 cmd.exe 128 PID 2296 wrote to memory of 5080 2296 cmd.exe 128 PID 2296 wrote to memory of 5080 2296 cmd.exe 128 -
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\af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297.exe"C:\Users\Admin\AppData\Local\Temp\af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2564 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5052
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C:\Users\Admin\AppData\Local\Temp\af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297.exe"C:\Users\Admin\AppData\Local\Temp\af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297.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:884 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4132
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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:2400 -
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:1400
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3248
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4668
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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:1116 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1236
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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:5088
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4464
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3644
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4636
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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:1576
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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:1884
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1644 -
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:2296 -
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:5080
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3096
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
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f6e59e45c7556dc2e034ef2ba4bda2a5
SHA1464976d84b17f3b87e6661fa74ec6d478e497342
SHA256368d9b332c2f68a4fe64eab4cd181bec77f92b807b55f7b7a5be6908719388b5
SHA51223636c0316350e9deec794a1b098d5b952329b0ce6c275700b6b7465132fa4e2695984cc3b623811027a842baea8a3b23904d4064253b442d60cf2d68e04eb09
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5152237119250d0c6296af58e3a087274
SHA1c609e911f762a053fd081aef33fdc0daf0d81335
SHA256d9a320459d9b30bf2879c435b6faf8b2f2d6bd2b7803aaabd76aaaab75174c7f
SHA5125712fa75f738efa2bee5a3423445df2dc00d28bd6420d4fee4a29e2ef7df9786960ecfaa41072d8d7d269ceebf5030a8784daee6c9fa147b976886eb5245177b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57c98cf0fce6b74b76106af5349cb6d37
SHA10c2008088d0ab18107a5f9ecab4cef37c27eb62f
SHA256a4326da77d4b9c631789dd5ef57d51bd74789b7fd3d318b8358809b4b78cae17
SHA5127d4699ede0b3de25db2ca3367d9ef89d60a7e00675ac0ec9fb8b71406a4f7e54468b564bebd74924dac5d7c778d76423cce93728464c51678c3e9b529acf3813
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c43d110dbcd2d2ea82895a77557ccbde
SHA1814e121403fde0ca1bc688e48dd881e5b5621929
SHA25685591e90349ce832f209bf099457372160558de6462431a4cff66b11e56ef386
SHA51265414ecf71329554dfc39f672860dd66c60abfd0a85a41dac2ce403b00df8578193676ed5cbd282df66bb896659d1636f88575e0d8e749830e4c30dce1940d54
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53e13d5069a4ff3bf493258028985ba5a
SHA16fa852f0921b6298fafc1f24454331f54d05c96f
SHA2561c46eb5a5364e2c5f1832f1a328c1a84f05c338ee7df92e8750673a82d931294
SHA512942f1509b88ba2e7542435145e8d3dd09ae2a1009e43cd1caff029300c233dfd46aa600d160966b7fef934ffc1396f07d49fd37346b0dc5fd7e3e9312364200c
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Filesize
4.1MB
MD573721887b1e40471f291a80a58d66ff0
SHA16066a9a7b39677b25ac347cf911abc4d68cc75e0
SHA256af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297
SHA512df281d4c2f9ef8812aec35ddafed222da487ee0af69b4be95578a2680ab562b9ce95c935eddfd1358c0b447d750be3c6184a4d3fd9fdc5954f2f228d9b948e8a
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec