Analysis
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max time kernel
150s -
max time network
145s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
17-05-2024 07:08
Static task
static1
Behavioral task
behavioral1
Sample
e647ad980d4ad7c55b6e01cf3922c49f0a10a46193ae49b3c3a48be31c51338d.exe
Resource
win10v2004-20240426-en
General
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Target
e647ad980d4ad7c55b6e01cf3922c49f0a10a46193ae49b3c3a48be31c51338d.exe
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Size
4.1MB
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MD5
a91f291a332061823475e8b9be911856
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SHA1
9ef1cb5989f72cd90bb05239dea4b71cc4c8318f
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SHA256
e647ad980d4ad7c55b6e01cf3922c49f0a10a46193ae49b3c3a48be31c51338d
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SHA512
b552313a8a830590637742dc61aacd65b1f3635dfc3c1d53f1579115e066806c6e2cd5e1ad556d1086394bc339d80095fcdeb91ce826e56b345aff85889e38e0
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SSDEEP
98304:g0IUXroYDzElV89sdV2qHm3LaKbYXl7F29tEHWEXgelgSAZWSyDiLx:bIU7SlV8K2X2AhEHFgekc2
Malware Config
Signatures
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Glupteba payload 19 IoCs
Processes:
resource yara_rule behavioral1/memory/3776-2-0x0000000004C10000-0x00000000054FB000-memory.dmp family_glupteba behavioral1/memory/3776-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3776-55-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/3776-57-0x0000000004C10000-0x00000000054FB000-memory.dmp family_glupteba behavioral1/memory/3776-83-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2000-82-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/2000-140-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/4156-214-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/4156-225-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/4156-234-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/4156-238-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/4156-242-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/4156-246-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/4156-250-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/4156-254-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/4156-258-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/4156-262-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/4156-266-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/4156-270-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 3660 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid process 4156 csrss.exe 4548 injector.exe 448 windefender.exe 4116 windefender.exe -
Processes:
resource yara_rule C:\Windows\windefender.exe upx behavioral1/memory/4116-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/448-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/448-231-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4116-235-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4116-243-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
e647ad980d4ad7c55b6e01cf3922c49f0a10a46193ae49b3c3a48be31c51338d.execsrss.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" e647ad980d4ad7c55b6e01cf3922c49f0a10a46193ae49b3c3a48be31c51338d.exe Set value (str) \REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\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.
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 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 File created 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:
e647ad980d4ad7c55b6e01cf3922c49f0a10a46193ae49b3c3a48be31c51338d.exedescription ioc process File opened (read-only) \??\VBoxMiniRdrDN e647ad980d4ad7c55b6e01cf3922c49f0a10a46193ae49b3c3a48be31c51338d.exe -
Drops file in Windows directory 4 IoCs
Processes:
e647ad980d4ad7c55b6e01cf3922c49f0a10a46193ae49b3c3a48be31c51338d.execsrss.exedescription ioc process File opened for modification C:\Windows\rss e647ad980d4ad7c55b6e01cf3922c49f0a10a46193ae49b3c3a48be31c51338d.exe File created C:\Windows\rss\csrss.exe e647ad980d4ad7c55b6e01cf3922c49f0a10a46193ae49b3c3a48be31c51338d.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 3592 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid process 1868 powershell.exe 5520 powershell.exe 5276 powershell.exe 5640 powershell.exe 4980 powershell.exe 1032 powershell.exe 5692 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 4712 schtasks.exe 5428 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
e647ad980d4ad7c55b6e01cf3922c49f0a10a46193ae49b3c3a48be31c51338d.exepowershell.exepowershell.exewindefender.exepowershell.exepowershell.exepowershell.exedescription ioc process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time" e647ad980d4ad7c55b6e01cf3922c49f0a10a46193ae49b3c3a48be31c51338d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2792 = "Novosibirsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" e647ad980d4ad7c55b6e01cf3922c49f0a10a46193ae49b3c3a48be31c51338d.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,-151 = "Central America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-372 = "Jerusalem Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time" e647ad980d4ad7c55b6e01cf3922c49f0a10a46193ae49b3c3a48be31c51338d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\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,-381 = "South Africa Daylight Time" e647ad980d4ad7c55b6e01cf3922c49f0a10a46193ae49b3c3a48be31c51338d.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,-448 = "Azerbaijan Daylight Time" windefender.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,-3141 = "South Sudan Daylight Time" windefender.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,-912 = "Mauritius Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time" e647ad980d4ad7c55b6e01cf3922c49f0a10a46193ae49b3c3a48be31c51338d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time" e647ad980d4ad7c55b6e01cf3922c49f0a10a46193ae49b3c3a48be31c51338d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" e647ad980d4ad7c55b6e01cf3922c49f0a10a46193ae49b3c3a48be31c51338d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time" e647ad980d4ad7c55b6e01cf3922c49f0a10a46193ae49b3c3a48be31c51338d.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\@tzres.dll,-2162 = "Altai Standard Time" windefender.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,-621 = "Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2512 = "Lord Howe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time" e647ad980d4ad7c55b6e01cf3922c49f0a10a46193ae49b3c3a48be31c51338d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs 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\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time" e647ad980d4ad7c55b6e01cf3922c49f0a10a46193ae49b3c3a48be31c51338d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time" e647ad980d4ad7c55b6e01cf3922c49f0a10a46193ae49b3c3a48be31c51338d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time" e647ad980d4ad7c55b6e01cf3922c49f0a10a46193ae49b3c3a48be31c51338d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs 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,-331 = "E. Europe Daylight Time" e647ad980d4ad7c55b6e01cf3922c49f0a10a46193ae49b3c3a48be31c51338d.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,-2001 = "Cabo Verde Daylight Time" e647ad980d4ad7c55b6e01cf3922c49f0a10a46193ae49b3c3a48be31c51338d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time" e647ad980d4ad7c55b6e01cf3922c49f0a10a46193ae49b3c3a48be31c51338d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-402 = "Arabic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-652 = "AUS Central Standard 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,-182 = "Mountain Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time" e647ad980d4ad7c55b6e01cf3922c49f0a10a46193ae49b3c3a48be31c51338d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" e647ad980d4ad7c55b6e01cf3922c49f0a10a46193ae49b3c3a48be31c51338d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" e647ad980d4ad7c55b6e01cf3922c49f0a10a46193ae49b3c3a48be31c51338d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.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,-2892 = "Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time" e647ad980d4ad7c55b6e01cf3922c49f0a10a46193ae49b3c3a48be31c51338d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\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,-771 = "Montevideo Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2942 = "Sao Tome Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-381 = "South Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time" e647ad980d4ad7c55b6e01cf3922c49f0a10a46193ae49b3c3a48be31c51338d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" e647ad980d4ad7c55b6e01cf3922c49f0a10a46193ae49b3c3a48be31c51338d.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exee647ad980d4ad7c55b6e01cf3922c49f0a10a46193ae49b3c3a48be31c51338d.exepowershell.exee647ad980d4ad7c55b6e01cf3922c49f0a10a46193ae49b3c3a48be31c51338d.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid process 4980 powershell.exe 4980 powershell.exe 3776 e647ad980d4ad7c55b6e01cf3922c49f0a10a46193ae49b3c3a48be31c51338d.exe 3776 e647ad980d4ad7c55b6e01cf3922c49f0a10a46193ae49b3c3a48be31c51338d.exe 1032 powershell.exe 1032 powershell.exe 2000 e647ad980d4ad7c55b6e01cf3922c49f0a10a46193ae49b3c3a48be31c51338d.exe 2000 e647ad980d4ad7c55b6e01cf3922c49f0a10a46193ae49b3c3a48be31c51338d.exe 2000 e647ad980d4ad7c55b6e01cf3922c49f0a10a46193ae49b3c3a48be31c51338d.exe 2000 e647ad980d4ad7c55b6e01cf3922c49f0a10a46193ae49b3c3a48be31c51338d.exe 2000 e647ad980d4ad7c55b6e01cf3922c49f0a10a46193ae49b3c3a48be31c51338d.exe 2000 e647ad980d4ad7c55b6e01cf3922c49f0a10a46193ae49b3c3a48be31c51338d.exe 2000 e647ad980d4ad7c55b6e01cf3922c49f0a10a46193ae49b3c3a48be31c51338d.exe 2000 e647ad980d4ad7c55b6e01cf3922c49f0a10a46193ae49b3c3a48be31c51338d.exe 2000 e647ad980d4ad7c55b6e01cf3922c49f0a10a46193ae49b3c3a48be31c51338d.exe 2000 e647ad980d4ad7c55b6e01cf3922c49f0a10a46193ae49b3c3a48be31c51338d.exe 5692 powershell.exe 5692 powershell.exe 1868 powershell.exe 1868 powershell.exe 5520 powershell.exe 5520 powershell.exe 5276 powershell.exe 5276 powershell.exe 5640 powershell.exe 5640 powershell.exe 4548 injector.exe 4548 injector.exe 4548 injector.exe 4548 injector.exe 4548 injector.exe 4548 injector.exe 4156 csrss.exe 4156 csrss.exe 4548 injector.exe 4548 injector.exe 4548 injector.exe 4548 injector.exe 4548 injector.exe 4548 injector.exe 4156 csrss.exe 4156 csrss.exe 4548 injector.exe 4548 injector.exe 4548 injector.exe 4548 injector.exe 4156 csrss.exe 4156 csrss.exe 4548 injector.exe 4548 injector.exe 4548 injector.exe 4548 injector.exe 4548 injector.exe 4548 injector.exe 4548 injector.exe 4548 injector.exe 4548 injector.exe 4548 injector.exe 4548 injector.exe 4548 injector.exe 4548 injector.exe 4548 injector.exe 4548 injector.exe 4548 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exee647ad980d4ad7c55b6e01cf3922c49f0a10a46193ae49b3c3a48be31c51338d.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid process Token: SeDebugPrivilege 4980 powershell.exe Token: SeDebugPrivilege 3776 e647ad980d4ad7c55b6e01cf3922c49f0a10a46193ae49b3c3a48be31c51338d.exe Token: SeImpersonatePrivilege 3776 e647ad980d4ad7c55b6e01cf3922c49f0a10a46193ae49b3c3a48be31c51338d.exe Token: SeDebugPrivilege 1032 powershell.exe Token: SeDebugPrivilege 5692 powershell.exe Token: SeDebugPrivilege 1868 powershell.exe Token: SeDebugPrivilege 5520 powershell.exe Token: SeDebugPrivilege 5276 powershell.exe Token: SeDebugPrivilege 5640 powershell.exe Token: SeSystemEnvironmentPrivilege 4156 csrss.exe Token: SeSecurityPrivilege 3592 sc.exe Token: SeSecurityPrivilege 3592 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
e647ad980d4ad7c55b6e01cf3922c49f0a10a46193ae49b3c3a48be31c51338d.exee647ad980d4ad7c55b6e01cf3922c49f0a10a46193ae49b3c3a48be31c51338d.execmd.execsrss.exewindefender.execmd.exedescription pid process target process PID 3776 wrote to memory of 4980 3776 e647ad980d4ad7c55b6e01cf3922c49f0a10a46193ae49b3c3a48be31c51338d.exe powershell.exe PID 3776 wrote to memory of 4980 3776 e647ad980d4ad7c55b6e01cf3922c49f0a10a46193ae49b3c3a48be31c51338d.exe powershell.exe PID 3776 wrote to memory of 4980 3776 e647ad980d4ad7c55b6e01cf3922c49f0a10a46193ae49b3c3a48be31c51338d.exe powershell.exe PID 2000 wrote to memory of 1032 2000 e647ad980d4ad7c55b6e01cf3922c49f0a10a46193ae49b3c3a48be31c51338d.exe powershell.exe PID 2000 wrote to memory of 1032 2000 e647ad980d4ad7c55b6e01cf3922c49f0a10a46193ae49b3c3a48be31c51338d.exe powershell.exe PID 2000 wrote to memory of 1032 2000 e647ad980d4ad7c55b6e01cf3922c49f0a10a46193ae49b3c3a48be31c51338d.exe powershell.exe PID 2000 wrote to memory of 556 2000 e647ad980d4ad7c55b6e01cf3922c49f0a10a46193ae49b3c3a48be31c51338d.exe cmd.exe PID 2000 wrote to memory of 556 2000 e647ad980d4ad7c55b6e01cf3922c49f0a10a46193ae49b3c3a48be31c51338d.exe cmd.exe PID 556 wrote to memory of 3660 556 cmd.exe netsh.exe PID 556 wrote to memory of 3660 556 cmd.exe netsh.exe PID 2000 wrote to memory of 5692 2000 e647ad980d4ad7c55b6e01cf3922c49f0a10a46193ae49b3c3a48be31c51338d.exe powershell.exe PID 2000 wrote to memory of 5692 2000 e647ad980d4ad7c55b6e01cf3922c49f0a10a46193ae49b3c3a48be31c51338d.exe powershell.exe PID 2000 wrote to memory of 5692 2000 e647ad980d4ad7c55b6e01cf3922c49f0a10a46193ae49b3c3a48be31c51338d.exe powershell.exe PID 2000 wrote to memory of 1868 2000 e647ad980d4ad7c55b6e01cf3922c49f0a10a46193ae49b3c3a48be31c51338d.exe powershell.exe PID 2000 wrote to memory of 1868 2000 e647ad980d4ad7c55b6e01cf3922c49f0a10a46193ae49b3c3a48be31c51338d.exe powershell.exe PID 2000 wrote to memory of 1868 2000 e647ad980d4ad7c55b6e01cf3922c49f0a10a46193ae49b3c3a48be31c51338d.exe powershell.exe PID 2000 wrote to memory of 4156 2000 e647ad980d4ad7c55b6e01cf3922c49f0a10a46193ae49b3c3a48be31c51338d.exe csrss.exe PID 2000 wrote to memory of 4156 2000 e647ad980d4ad7c55b6e01cf3922c49f0a10a46193ae49b3c3a48be31c51338d.exe csrss.exe PID 2000 wrote to memory of 4156 2000 e647ad980d4ad7c55b6e01cf3922c49f0a10a46193ae49b3c3a48be31c51338d.exe csrss.exe PID 4156 wrote to memory of 5520 4156 csrss.exe powershell.exe PID 4156 wrote to memory of 5520 4156 csrss.exe powershell.exe PID 4156 wrote to memory of 5520 4156 csrss.exe powershell.exe PID 4156 wrote to memory of 5276 4156 csrss.exe powershell.exe PID 4156 wrote to memory of 5276 4156 csrss.exe powershell.exe PID 4156 wrote to memory of 5276 4156 csrss.exe powershell.exe PID 4156 wrote to memory of 5640 4156 csrss.exe powershell.exe PID 4156 wrote to memory of 5640 4156 csrss.exe powershell.exe PID 4156 wrote to memory of 5640 4156 csrss.exe powershell.exe PID 4156 wrote to memory of 4548 4156 csrss.exe injector.exe PID 4156 wrote to memory of 4548 4156 csrss.exe injector.exe PID 448 wrote to memory of 4852 448 windefender.exe cmd.exe PID 448 wrote to memory of 4852 448 windefender.exe cmd.exe PID 448 wrote to memory of 4852 448 windefender.exe cmd.exe PID 4852 wrote to memory of 3592 4852 cmd.exe sc.exe PID 4852 wrote to memory of 3592 4852 cmd.exe sc.exe PID 4852 wrote to memory of 3592 4852 cmd.exe sc.exe -
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\e647ad980d4ad7c55b6e01cf3922c49f0a10a46193ae49b3c3a48be31c51338d.exe"C:\Users\Admin\AppData\Local\Temp\e647ad980d4ad7c55b6e01cf3922c49f0a10a46193ae49b3c3a48be31c51338d.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3776 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4980 -
C:\Users\Admin\AppData\Local\Temp\e647ad980d4ad7c55b6e01cf3922c49f0a10a46193ae49b3c3a48be31c51338d.exe"C:\Users\Admin\AppData\Local\Temp\e647ad980d4ad7c55b6e01cf3922c49f0a10a46193ae49b3c3a48be31c51338d.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:2000 -
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:1032 -
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:556 -
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:3660 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5692 -
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:1868 -
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:4156 -
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:5520 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:4712 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:6136
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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:5276 -
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:5640 -
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:4548 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:5428 -
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:448 -
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:4852 -
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:3592
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4116
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
MD5860860ea49ccab36d3fc57b7dbfdb4d3
SHA1a7ca4360cb72317242822acacd7dc2d160925894
SHA2562a1cb9fb14ca056e7ca7e436c783bb26112b7ebec4f669a3368bbb2a896fdde7
SHA51249d1524823c171bda53891cb367fe48bc58eafc7cd9c3478894457ffbe471cfaea9a4b174b780274e5d0c95f9e5bf19c2016243f9cac00247e50ef76ace0e24f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD509cc20d7bfb48e25c68c9c4a30acccaa
SHA1dc854c4d924cb0e2d8b3df284183f91d9d103773
SHA2567902011896854ddf2a25272cdcb76a79d5c6f2c4c0183517a4484c2c5f111301
SHA512a1330a697bc3c51ce480cfa22cd653f5ec9ce67e35d15c8235e9194a47a7810d41117452536b3e6dac1679eebfca0829b9a81a5b9edcbfc476c1a7ce943d9be0
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e9fd434afe4f9a80f6e3720d02122971
SHA17242985465400d75b9b08ab0ff3198bd77211b01
SHA256de05dcf193536b87703d02dd32066424823044c9821282fbbc89bac9ecfb4af1
SHA5123ea8c974f04896d940236fd0910f16becc52e69d233e6193b925ab1e54820537260b226b48378163333404ecb9051ab95e48061a4a1c47475e05e01be7c08391
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55e53c2998edd3736a4f685dada224f5a
SHA1bd2c0a128f4f9cfc79f503846db2842953688364
SHA256c361e8342ea391312e2a0a86cfa1a1562bfb82f0d19d14d48470fb6411b579dd
SHA51218c04c0d2028ddaef659b14fedec99419c025d1edfee3733353912093869d7aeae22d25a0c4f34945500ca6912e6ee35565171108d04da4e0eab39e499afdc4f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5003dfa2974a84bb45e5ba1621015d596
SHA127e8015624557b8fb796af8f4c3afdc414ba09ce
SHA2565392a69a8b9801b1f378759f32e19f8dee62c9c281ecc976cc01c52c59730f70
SHA512941a3ca3298544160513780330e6d62f5ff6f8d84aaf573d4bed8cf8554d27d56dffd5cd64831faabeb6e2225c63655dea1acefec002718e44b511cbc9be0081
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Filesize
4.1MB
MD5a91f291a332061823475e8b9be911856
SHA19ef1cb5989f72cd90bb05239dea4b71cc4c8318f
SHA256e647ad980d4ad7c55b6e01cf3922c49f0a10a46193ae49b3c3a48be31c51338d
SHA512b552313a8a830590637742dc61aacd65b1f3635dfc3c1d53f1579115e066806c6e2cd5e1ad556d1086394bc339d80095fcdeb91ce826e56b345aff85889e38e0
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec