Analysis
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max time kernel
149s -
max time network
127s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
19-05-2024 11:15
Static task
static1
Behavioral task
behavioral1
Sample
f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exe
Resource
win10v2004-20240508-en
General
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Target
f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exe
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Size
4.1MB
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MD5
2a6d0d21000c5f8a4aa40028709a6abb
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SHA1
4ece0c32a2405373325e4816090191dfacb14b8d
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SHA256
f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9
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SHA512
ccd553e3007e53a783684b15f55c74d7505a75b8a7b6cc2b20728581c43401c3284957c279fb9eb26cc95ad36db48560e45315698eac2058dd3286c43bc7f804
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SSDEEP
98304:tH+PiUxpnK5pcCD6RLXH4DRMjOnEmJ5mWZ44js55cU5wvI27:tH+PiSfw6Rz4ejOEAZ44S5J5ww27
Malware Config
Signatures
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Glupteba payload 19 IoCs
Processes:
resource yara_rule behavioral2/memory/2948-2-0x00000000045F0000-0x0000000004EDB000-memory.dmp family_glupteba behavioral2/memory/2948-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2948-53-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2948-54-0x00000000045F0000-0x0000000004EDB000-memory.dmp family_glupteba behavioral2/memory/2948-51-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/900-126-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/2160-205-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/2160-215-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/2160-216-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/2160-218-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/2160-221-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/2160-223-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/2160-224-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/2160-226-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/2160-229-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/2160-231-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/2160-232-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/2160-234-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/2160-237-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 2116 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 2160 csrss.exe 1508 injector.exe 1360 windefender.exe 3588 windefender.exe -
Processes:
resource yara_rule behavioral2/files/0x000200000002aa04-208.dat upx behavioral2/memory/1360-209-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3588-212-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1360-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3588-217-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3588-220-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
csrss.exef6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3107365284-1576850094-161165143-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-3107365284-1576850094-161165143-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.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.
Processes:
csrss.exedescription ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription 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 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 -
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.
Processes:
f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exe -
Drops file in Windows directory 4 IoCs
Processes:
f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.execsrss.exedescription ioc Process File opened for modification C:\Windows\rss f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exe File created C:\Windows\rss\csrss.exe f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.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.
Processes:
sc.exepid Process 4600 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 1120 powershell.exe 2640 powershell.exe 5028 powershell.exe 3720 powershell.exe 3728 powershell.exe 1556 powershell.exe 3712 powershell.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exepid Process 2604 schtasks.exe 796 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exewindefender.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time" f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time" f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time" f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2872 = "Magallanes Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-871 = "Pakistan 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\@tzres.dll,-1912 = "Russia TZ 10 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)" f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time" f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-332 = "E. Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2511 = "Lord Howe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time" f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.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,-982 = "Kamchatka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-52 = "Greenland Standard Time" windefender.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\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time" f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\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\@tzres.dll,-411 = "E. Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-341 = "Egypt Daylight Time" windefender.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\@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,-462 = "Afghanistan Standard Time" f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2161 = "Altai Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2752 = "Tomsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-532 = "Sri Lanka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time" f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2181 = "Astrakhan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-671 = "AUS Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time" f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time" f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs 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\@tzres.dll,-571 = "China 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,-81 = "Atlantic Daylight Time" f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time" f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time" f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-81 = "Atlantic Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-41 = "E. South America Daylight Time" f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.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,-172 = "Central Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2432 = "Cuba Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exef6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exepowershell.exef6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 3712 powershell.exe 3712 powershell.exe 2948 f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exe 2948 f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exe 1120 powershell.exe 1120 powershell.exe 900 f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exe 900 f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exe 900 f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exe 900 f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exe 900 f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exe 900 f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exe 900 f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exe 900 f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exe 900 f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exe 900 f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exe 2640 powershell.exe 2640 powershell.exe 5028 powershell.exe 5028 powershell.exe 3720 powershell.exe 3720 powershell.exe 3728 powershell.exe 3728 powershell.exe 1556 powershell.exe 1556 powershell.exe 1508 injector.exe 1508 injector.exe 1508 injector.exe 1508 injector.exe 1508 injector.exe 1508 injector.exe 2160 csrss.exe 2160 csrss.exe 1508 injector.exe 1508 injector.exe 1508 injector.exe 1508 injector.exe 1508 injector.exe 1508 injector.exe 2160 csrss.exe 2160 csrss.exe 1508 injector.exe 1508 injector.exe 2160 csrss.exe 2160 csrss.exe 1508 injector.exe 1508 injector.exe 1508 injector.exe 1508 injector.exe 1508 injector.exe 1508 injector.exe 1508 injector.exe 1508 injector.exe 1508 injector.exe 1508 injector.exe 1508 injector.exe 1508 injector.exe 1508 injector.exe 1508 injector.exe 1508 injector.exe 1508 injector.exe 1508 injector.exe 1508 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exef6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 3712 powershell.exe Token: SeDebugPrivilege 2948 f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exe Token: SeImpersonatePrivilege 2948 f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exe Token: SeDebugPrivilege 1120 powershell.exe Token: SeDebugPrivilege 2640 powershell.exe Token: SeDebugPrivilege 5028 powershell.exe Token: SeDebugPrivilege 3720 powershell.exe Token: SeDebugPrivilege 3728 powershell.exe Token: SeDebugPrivilege 1556 powershell.exe Token: SeSystemEnvironmentPrivilege 2160 csrss.exe Token: SeSecurityPrivilege 4600 sc.exe Token: SeSecurityPrivilege 4600 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exef6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 2948 wrote to memory of 3712 2948 f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exe 83 PID 2948 wrote to memory of 3712 2948 f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exe 83 PID 2948 wrote to memory of 3712 2948 f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exe 83 PID 900 wrote to memory of 1120 900 f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exe 88 PID 900 wrote to memory of 1120 900 f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exe 88 PID 900 wrote to memory of 1120 900 f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exe 88 PID 900 wrote to memory of 4520 900 f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exe 90 PID 900 wrote to memory of 4520 900 f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exe 90 PID 4520 wrote to memory of 2116 4520 cmd.exe 92 PID 4520 wrote to memory of 2116 4520 cmd.exe 92 PID 900 wrote to memory of 2640 900 f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exe 93 PID 900 wrote to memory of 2640 900 f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exe 93 PID 900 wrote to memory of 2640 900 f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exe 93 PID 900 wrote to memory of 5028 900 f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exe 95 PID 900 wrote to memory of 5028 900 f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exe 95 PID 900 wrote to memory of 5028 900 f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exe 95 PID 900 wrote to memory of 2160 900 f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exe 97 PID 900 wrote to memory of 2160 900 f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exe 97 PID 900 wrote to memory of 2160 900 f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exe 97 PID 2160 wrote to memory of 3720 2160 csrss.exe 98 PID 2160 wrote to memory of 3720 2160 csrss.exe 98 PID 2160 wrote to memory of 3720 2160 csrss.exe 98 PID 2160 wrote to memory of 3728 2160 csrss.exe 104 PID 2160 wrote to memory of 3728 2160 csrss.exe 104 PID 2160 wrote to memory of 3728 2160 csrss.exe 104 PID 2160 wrote to memory of 1556 2160 csrss.exe 106 PID 2160 wrote to memory of 1556 2160 csrss.exe 106 PID 2160 wrote to memory of 1556 2160 csrss.exe 106 PID 2160 wrote to memory of 1508 2160 csrss.exe 108 PID 2160 wrote to memory of 1508 2160 csrss.exe 108 PID 1360 wrote to memory of 3544 1360 windefender.exe 114 PID 1360 wrote to memory of 3544 1360 windefender.exe 114 PID 1360 wrote to memory of 3544 1360 windefender.exe 114 PID 3544 wrote to memory of 4600 3544 cmd.exe 115 PID 3544 wrote to memory of 4600 3544 cmd.exe 115 PID 3544 wrote to memory of 4600 3544 cmd.exe 115 -
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\f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exe"C:\Users\Admin\AppData\Local\Temp\f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2948 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3712
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C:\Users\Admin\AppData\Local\Temp\f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exe"C:\Users\Admin\AppData\Local\Temp\f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.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:900 -
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:1120
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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:4520 -
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:2116
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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:2640
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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:5028
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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:2160 -
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:3720
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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:796
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3568
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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:3728
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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:1556
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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:1508
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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:2604
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1360 -
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:3544 -
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:4600
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3588
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
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51f6000fe03437c9050999cb6428aedc5
SHA1c3f3b3d984b52157fb8a30d33a8a673af4e36d01
SHA256fa6dd5bdea99887c1fec6f0d350e8a20d9b95fbc1193c156082013e1fd8b6d5c
SHA5124671f0e20e18d34806aff6ac3bafc584801537a23af35bc1b69480a4773461f28bd4688eef5251fe9fbee1547af27b7fc956eb86e521b2d40279dbdac9c87cf2
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5857feebd0947305de954a2fbd513bcad
SHA1af25cddc126879ac214a6d9ff20d5d2befe550dc
SHA2563c4da269ca77685919ae29b64e7e397a3b16b3c5d3f234aad24ea6e89d6e672e
SHA51262cd738fcb660c5b9eee536e0b48f55390f75bfad1837e1ae7103c30a172cea6842474778832ab16fa2597e80e7c458899a4019a30bf2767e2a3bf200836cd06
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56a71634212266151e5102be22cab5733
SHA135ebe6282a5901adf6da397fd44e1d5a2527caae
SHA256bc292ac04674ec65bda40b665e4feb9653cb4b7a353264e2520a1aa31a2bd057
SHA512f72d6e8de1bdef5d217e7d1e4ee684f7080029d95f12b25cf17589b41177c52b0724b5dec65f4e87d0d16a127fa079287161298d496e532b102c542e2cc488bb
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ca66b9fe2e30eee4dbc98d9217ea7fd6
SHA1c02f58fb581a309c336247ac4ff572efab475a78
SHA256f96a470c5d369a9eb0bfc49bb2dd974cedf65a89892daf1980f8e5dcecdd5cf9
SHA5122c74d2c850951fad56b25a34e4548a190b41df692945b1cc000ef1fda558dc773a0a35f7264071d4d9cfc8ec2d3456ab8ed1cca8b36ed9bfe15d13d1a8a2635f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a2a6ff4e53cf081082d7dd587b19c9dc
SHA172d69480d287121a6114b9bddd2bbaff51c86f3b
SHA2562ff54a79a205b68553719f57e8daa95a355584ea5c8ca095e2b93475bb6fa9ba
SHA5121fee95e236cce474c1527d6b11ffa938c5a61f0222462ead58beb3df12bdace9e32aaa10c3e75c800c068f41a58efdcb05ccbe4d9c5e15bb4834fdf7c536c7c2
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Filesize
4.1MB
MD52a6d0d21000c5f8a4aa40028709a6abb
SHA14ece0c32a2405373325e4816090191dfacb14b8d
SHA256f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9
SHA512ccd553e3007e53a783684b15f55c74d7505a75b8a7b6cc2b20728581c43401c3284957c279fb9eb26cc95ad36db48560e45315698eac2058dd3286c43bc7f804
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec