Analysis
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max time kernel
150s -
max time network
132s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
18-05-2024 21:47
Static task
static1
Behavioral task
behavioral1
Sample
9a6765dc00367236dad8e45bfbead9d02034aa05cbbf011f3f19356688dc7d64.exe
Resource
win10v2004-20240508-en
General
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Target
9a6765dc00367236dad8e45bfbead9d02034aa05cbbf011f3f19356688dc7d64.exe
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Size
4.1MB
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MD5
537aa0f899ac790aba441a3f63a659d2
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SHA1
bc2b72c13d96e3da00efde6818121e69895ff60b
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SHA256
9a6765dc00367236dad8e45bfbead9d02034aa05cbbf011f3f19356688dc7d64
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SHA512
3753655a90b5836fd8f3e3f410fb9689f8396078384511d795ee9b6db88d06794775650ba172de3b24adbbfceff616fef4dafdfc44eb7c81abb8c10fd652f829
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SSDEEP
98304:BsVQ+hudF4keJeyEqK0evsENr9r54Wa5Cc1nHXivv:Bs5hioeyE6OsERj43nE
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/3780-2-0x0000000004970000-0x000000000525B000-memory.dmp family_glupteba behavioral1/memory/3780-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3780-81-0x0000000004970000-0x000000000525B000-memory.dmp family_glupteba behavioral1/memory/3780-79-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/3780-135-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2800-132-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/3380-213-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/3380-224-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/3380-227-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/3380-230-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/3380-233-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/3380-237-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/3380-239-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/3380-242-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/3380-245-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/3380-248-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/3380-251-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/3380-254-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/3380-257-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2500 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3380 csrss.exe 4524 injector.exe 3596 windefender.exe 3236 windefender.exe -
resource yara_rule behavioral1/files/0x0009000000023413-217.dat upx behavioral1/memory/3596-218-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3236-221-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3596-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3236-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3236-232-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3236-241-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 9a6765dc00367236dad8e45bfbead9d02034aa05cbbf011f3f19356688dc7d64.exe Set value (str) \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\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 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 -
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 9a6765dc00367236dad8e45bfbead9d02034aa05cbbf011f3f19356688dc7d64.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe 9a6765dc00367236dad8e45bfbead9d02034aa05cbbf011f3f19356688dc7d64.exe 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 9a6765dc00367236dad8e45bfbead9d02034aa05cbbf011f3f19356688dc7d64.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 2544 sc.exe -
pid Process 4120 powershell.exe 2524 powershell.exe 3536 powershell.exe 2228 powershell.exe 1824 powershell.exe 1636 powershell.exe 4816 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 3868 schtasks.exe 3660 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process 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\2a\52C64B7E\@tzres.dll,-51 = "Greenland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2062 = "North Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time" 9a6765dc00367236dad8e45bfbead9d02034aa05cbbf011f3f19356688dc7d64.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time" 9a6765dc00367236dad8e45bfbead9d02034aa05cbbf011f3f19356688dc7d64.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2322 = "Sakhalin Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" 9a6765dc00367236dad8e45bfbead9d02034aa05cbbf011f3f19356688dc7d64.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time" 9a6765dc00367236dad8e45bfbead9d02034aa05cbbf011f3f19356688dc7d64.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" 9a6765dc00367236dad8e45bfbead9d02034aa05cbbf011f3f19356688dc7d64.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" 9a6765dc00367236dad8e45bfbead9d02034aa05cbbf011f3f19356688dc7d64.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2141 = "Transbaikal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1501 = "Turkey Daylight Time" windefender.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,-2392 = "Aleutian Standard Time" windefender.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,-2451 = "Saint Pierre Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time" 9a6765dc00367236dad8e45bfbead9d02034aa05cbbf011f3f19356688dc7d64.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time" 9a6765dc00367236dad8e45bfbead9d02034aa05cbbf011f3f19356688dc7d64.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time" 9a6765dc00367236dad8e45bfbead9d02034aa05cbbf011f3f19356688dc7d64.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2791 = "Novosibirsk Daylight Time" 9a6765dc00367236dad8e45bfbead9d02034aa05cbbf011f3f19356688dc7d64.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2791 = "Novosibirsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" 9a6765dc00367236dad8e45bfbead9d02034aa05cbbf011f3f19356688dc7d64.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-111 = "Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time" 9a6765dc00367236dad8e45bfbead9d02034aa05cbbf011f3f19356688dc7d64.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time" 9a6765dc00367236dad8e45bfbead9d02034aa05cbbf011f3f19356688dc7d64.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" 9a6765dc00367236dad8e45bfbead9d02034aa05cbbf011f3f19356688dc7d64.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time" 9a6765dc00367236dad8e45bfbead9d02034aa05cbbf011f3f19356688dc7d64.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" 9a6765dc00367236dad8e45bfbead9d02034aa05cbbf011f3f19356688dc7d64.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time" 9a6765dc00367236dad8e45bfbead9d02034aa05cbbf011f3f19356688dc7d64.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time" 9a6765dc00367236dad8e45bfbead9d02034aa05cbbf011f3f19356688dc7d64.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time" 9a6765dc00367236dad8e45bfbead9d02034aa05cbbf011f3f19356688dc7d64.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time" 9a6765dc00367236dad8e45bfbead9d02034aa05cbbf011f3f19356688dc7d64.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-451 = "Caucasus Daylight Time" windefender.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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-652 = "AUS Central Standard Time" 9a6765dc00367236dad8e45bfbead9d02034aa05cbbf011f3f19356688dc7d64.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time" 9a6765dc00367236dad8e45bfbead9d02034aa05cbbf011f3f19356688dc7d64.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-662 = "Cen. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2941 = "Sao Tome 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" 9a6765dc00367236dad8e45bfbead9d02034aa05cbbf011f3f19356688dc7d64.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time" 9a6765dc00367236dad8e45bfbead9d02034aa05cbbf011f3f19356688dc7d64.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,-2492 = "Aus Central W. Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2228 powershell.exe 2228 powershell.exe 3780 9a6765dc00367236dad8e45bfbead9d02034aa05cbbf011f3f19356688dc7d64.exe 3780 9a6765dc00367236dad8e45bfbead9d02034aa05cbbf011f3f19356688dc7d64.exe 1824 powershell.exe 1824 powershell.exe 2800 9a6765dc00367236dad8e45bfbead9d02034aa05cbbf011f3f19356688dc7d64.exe 2800 9a6765dc00367236dad8e45bfbead9d02034aa05cbbf011f3f19356688dc7d64.exe 2800 9a6765dc00367236dad8e45bfbead9d02034aa05cbbf011f3f19356688dc7d64.exe 2800 9a6765dc00367236dad8e45bfbead9d02034aa05cbbf011f3f19356688dc7d64.exe 2800 9a6765dc00367236dad8e45bfbead9d02034aa05cbbf011f3f19356688dc7d64.exe 2800 9a6765dc00367236dad8e45bfbead9d02034aa05cbbf011f3f19356688dc7d64.exe 2800 9a6765dc00367236dad8e45bfbead9d02034aa05cbbf011f3f19356688dc7d64.exe 2800 9a6765dc00367236dad8e45bfbead9d02034aa05cbbf011f3f19356688dc7d64.exe 2800 9a6765dc00367236dad8e45bfbead9d02034aa05cbbf011f3f19356688dc7d64.exe 2800 9a6765dc00367236dad8e45bfbead9d02034aa05cbbf011f3f19356688dc7d64.exe 1636 powershell.exe 1636 powershell.exe 4816 powershell.exe 4816 powershell.exe 4120 powershell.exe 4120 powershell.exe 2524 powershell.exe 2524 powershell.exe 3536 powershell.exe 3536 powershell.exe 4524 injector.exe 4524 injector.exe 4524 injector.exe 4524 injector.exe 4524 injector.exe 4524 injector.exe 3380 csrss.exe 3380 csrss.exe 4524 injector.exe 4524 injector.exe 4524 injector.exe 4524 injector.exe 4524 injector.exe 4524 injector.exe 3380 csrss.exe 3380 csrss.exe 4524 injector.exe 4524 injector.exe 3380 csrss.exe 3380 csrss.exe 4524 injector.exe 4524 injector.exe 4524 injector.exe 4524 injector.exe 4524 injector.exe 4524 injector.exe 4524 injector.exe 4524 injector.exe 4524 injector.exe 4524 injector.exe 4524 injector.exe 4524 injector.exe 4524 injector.exe 4524 injector.exe 4524 injector.exe 4524 injector.exe 4524 injector.exe 4524 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2228 powershell.exe Token: SeDebugPrivilege 3780 9a6765dc00367236dad8e45bfbead9d02034aa05cbbf011f3f19356688dc7d64.exe Token: SeImpersonatePrivilege 3780 9a6765dc00367236dad8e45bfbead9d02034aa05cbbf011f3f19356688dc7d64.exe Token: SeDebugPrivilege 1824 powershell.exe Token: SeDebugPrivilege 1636 powershell.exe Token: SeDebugPrivilege 4816 powershell.exe Token: SeDebugPrivilege 4120 powershell.exe Token: SeDebugPrivilege 2524 powershell.exe Token: SeDebugPrivilege 3536 powershell.exe Token: SeSystemEnvironmentPrivilege 3380 csrss.exe Token: SeSecurityPrivilege 2544 sc.exe Token: SeSecurityPrivilege 2544 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3780 wrote to memory of 2228 3780 9a6765dc00367236dad8e45bfbead9d02034aa05cbbf011f3f19356688dc7d64.exe 87 PID 3780 wrote to memory of 2228 3780 9a6765dc00367236dad8e45bfbead9d02034aa05cbbf011f3f19356688dc7d64.exe 87 PID 3780 wrote to memory of 2228 3780 9a6765dc00367236dad8e45bfbead9d02034aa05cbbf011f3f19356688dc7d64.exe 87 PID 2800 wrote to memory of 1824 2800 9a6765dc00367236dad8e45bfbead9d02034aa05cbbf011f3f19356688dc7d64.exe 98 PID 2800 wrote to memory of 1824 2800 9a6765dc00367236dad8e45bfbead9d02034aa05cbbf011f3f19356688dc7d64.exe 98 PID 2800 wrote to memory of 1824 2800 9a6765dc00367236dad8e45bfbead9d02034aa05cbbf011f3f19356688dc7d64.exe 98 PID 2800 wrote to memory of 3240 2800 9a6765dc00367236dad8e45bfbead9d02034aa05cbbf011f3f19356688dc7d64.exe 101 PID 2800 wrote to memory of 3240 2800 9a6765dc00367236dad8e45bfbead9d02034aa05cbbf011f3f19356688dc7d64.exe 101 PID 3240 wrote to memory of 2500 3240 cmd.exe 104 PID 3240 wrote to memory of 2500 3240 cmd.exe 104 PID 2800 wrote to memory of 1636 2800 9a6765dc00367236dad8e45bfbead9d02034aa05cbbf011f3f19356688dc7d64.exe 105 PID 2800 wrote to memory of 1636 2800 9a6765dc00367236dad8e45bfbead9d02034aa05cbbf011f3f19356688dc7d64.exe 105 PID 2800 wrote to memory of 1636 2800 9a6765dc00367236dad8e45bfbead9d02034aa05cbbf011f3f19356688dc7d64.exe 105 PID 2800 wrote to memory of 4816 2800 9a6765dc00367236dad8e45bfbead9d02034aa05cbbf011f3f19356688dc7d64.exe 107 PID 2800 wrote to memory of 4816 2800 9a6765dc00367236dad8e45bfbead9d02034aa05cbbf011f3f19356688dc7d64.exe 107 PID 2800 wrote to memory of 4816 2800 9a6765dc00367236dad8e45bfbead9d02034aa05cbbf011f3f19356688dc7d64.exe 107 PID 2800 wrote to memory of 3380 2800 9a6765dc00367236dad8e45bfbead9d02034aa05cbbf011f3f19356688dc7d64.exe 109 PID 2800 wrote to memory of 3380 2800 9a6765dc00367236dad8e45bfbead9d02034aa05cbbf011f3f19356688dc7d64.exe 109 PID 2800 wrote to memory of 3380 2800 9a6765dc00367236dad8e45bfbead9d02034aa05cbbf011f3f19356688dc7d64.exe 109 PID 3380 wrote to memory of 4120 3380 csrss.exe 110 PID 3380 wrote to memory of 4120 3380 csrss.exe 110 PID 3380 wrote to memory of 4120 3380 csrss.exe 110 PID 3380 wrote to memory of 2524 3380 csrss.exe 116 PID 3380 wrote to memory of 2524 3380 csrss.exe 116 PID 3380 wrote to memory of 2524 3380 csrss.exe 116 PID 3380 wrote to memory of 3536 3380 csrss.exe 118 PID 3380 wrote to memory of 3536 3380 csrss.exe 118 PID 3380 wrote to memory of 3536 3380 csrss.exe 118 PID 3380 wrote to memory of 4524 3380 csrss.exe 120 PID 3380 wrote to memory of 4524 3380 csrss.exe 120 PID 3596 wrote to memory of 384 3596 windefender.exe 127 PID 3596 wrote to memory of 384 3596 windefender.exe 127 PID 3596 wrote to memory of 384 3596 windefender.exe 127 PID 384 wrote to memory of 2544 384 cmd.exe 128 PID 384 wrote to memory of 2544 384 cmd.exe 128 PID 384 wrote to memory of 2544 384 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\9a6765dc00367236dad8e45bfbead9d02034aa05cbbf011f3f19356688dc7d64.exe"C:\Users\Admin\AppData\Local\Temp\9a6765dc00367236dad8e45bfbead9d02034aa05cbbf011f3f19356688dc7d64.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3780 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2228
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C:\Users\Admin\AppData\Local\Temp\9a6765dc00367236dad8e45bfbead9d02034aa05cbbf011f3f19356688dc7d64.exe"C:\Users\Admin\AppData\Local\Temp\9a6765dc00367236dad8e45bfbead9d02034aa05cbbf011f3f19356688dc7d64.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:2800 -
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:1824
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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:3240 -
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:2500
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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:1636
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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:4816
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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:3380 -
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:4120
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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:3868
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3980
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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:2524
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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:3536
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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:4524
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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:3660
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3596 -
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:384 -
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:2544
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3236
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
MD5c1c1dbdc5f45827b1b0f2fb1f8c2bf8b
SHA1a4f2f50a6ad5881d46b86dad7cbf0208997434e4
SHA256c59acfaefeb21cbc5dae7f14283ed6a6f806467dd17125ad1ab4721be7c4309b
SHA512e14480d266149f0037cad9b15f21dd40a8c0c5c23b08087dc8aab6c29ca2c868396c5c1b62f1adcf220a3f829aa02ca115dfad096223fe980253581b66512b2b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5aef681019cfc802a7acf8031220dfb62
SHA108b865d7e95e26247fc92f7063ae022cc8e89063
SHA25608ed233663617aaeab1d26fe8f472737f3b1b4e392b22266208c2df52b1210a5
SHA512749ba5507fe4f1d1e5a9015d5911dd28aa9c57c201a69ed3daec849353d62b3910ac77124c7c4b9e2bdd6b190a67a3ae61e469ace283e0555905d0a4dbcf8157
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50b00494b5c365458ce68618465e0523e
SHA1369fceaf3e970591259ba9c6216a0b9b2b094553
SHA25630832379df24cfc1871e7ad08a9f7e079f6ff19f0bb0362002920a362b15a105
SHA51227e2d1db7d9edbe7dceb2d23b0574eaa0d2b3e46b4fc36b2bd58ec36ab6963734ceacaa01027afaa9f291b44d58960efa1614d42da8b142335f1389372edc393
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c946ab9ba60f6ac46e1ce655b4f66888
SHA1ac051e7d3d4f0d508929e093ab985421178d4bdc
SHA2565dfae5289de66224d1baf5cd1a5965a2410074fc4bedaee3904629b7ca3cda6a
SHA5127835d80d1717741b926af5cfadf92f3c7fc36b4f779f782234e689f12dbca959d88088fee9bd7ef47e8d02e4c3aa4d21c97abf15343abfb9b23fcae5cf63bc39
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58b1eabbac83807c1a19ddf456c6187c6
SHA1465ff6394990a162841ddb47416d9229d55ea280
SHA2561b85223c3287cb9b3124f8a2629bc4a807d2dd5155a219035333adb46c360219
SHA512dec76919271faffc7d1cb703a2c977203415fd6cbbccf894b494e91cf60e240b74091139428589ebcb90c3ac96c74f441f069a34a1488657c1be9ff88e417ae4
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Filesize
4.1MB
MD5537aa0f899ac790aba441a3f63a659d2
SHA1bc2b72c13d96e3da00efde6818121e69895ff60b
SHA2569a6765dc00367236dad8e45bfbead9d02034aa05cbbf011f3f19356688dc7d64
SHA5123753655a90b5836fd8f3e3f410fb9689f8396078384511d795ee9b6db88d06794775650ba172de3b24adbbfceff616fef4dafdfc44eb7c81abb8c10fd652f829
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec