Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
20-05-2024 04:15
Static task
static1
Behavioral task
behavioral1
Sample
d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exe
Resource
win10v2004-20240426-en
General
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Target
d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exe
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Size
4.1MB
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MD5
cb9fc70d346fd5f1283e5b6b940391e1
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SHA1
13ad8f619a046005a1c0b988e9c84dcd3d138ea5
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SHA256
d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114
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SHA512
7582da619825621549cc094a49e342e3604cc7bb3644da9b96915dbed0c626246ee57983fd513ef459b75467ef1889c47bf042fefffa9643118ab8fafbf40700
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SSDEEP
98304:GQAQcsa3GhfWYEvpb4LdECaqY+VYhFzXw/u5g9cAd9nq:GQAQcDPYxuCJe7X5ghfq
Malware Config
Signatures
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Glupteba payload 19 IoCs
Processes:
resource yara_rule behavioral1/memory/3640-2-0x0000000004950000-0x000000000523B000-memory.dmp family_glupteba behavioral1/memory/3640-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3092-130-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3640-144-0x0000000004950000-0x000000000523B000-memory.dmp family_glupteba behavioral1/memory/3640-143-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3640-207-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2140-214-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/2140-225-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/2140-228-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/2140-231-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/2140-234-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/2140-237-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/2140-240-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/2140-243-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/2140-246-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/2140-249-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/2140-252-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/2140-255-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/2140-258-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 1660 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid process 2140 csrss.exe 5300 injector.exe 4980 windefender.exe 1372 windefender.exe -
Processes:
resource yara_rule C:\Windows\windefender.exe upx behavioral1/memory/4980-219-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1372-221-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4980-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1372-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1372-232-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.execsrss.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exe Set value (str) \REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 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\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
Processes:
d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exedescription ioc process File opened (read-only) \??\VBoxMiniRdrDN d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exe -
Drops file in Windows directory 4 IoCs
Processes:
d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.execsrss.exedescription ioc process File opened for modification C:\Windows\rss d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exe File created C:\Windows\rss\csrss.exe d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.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 3944 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid process 2936 powershell.exe 4992 powershell.exe 1128 powershell.exe 3348 powershell.exe 1960 powershell.exe 1116 powershell.exe 5768 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 6124 schtasks.exe 5092 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
powershell.exewindefender.exed1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2841 = "Saratov Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-202 = "US Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time" d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.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\C:\Windows\system32\,@tzres.dll,-2531 = "Chatham Islands Daylight Time" d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time" d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time" d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-442 = "Arabian Standard Time" windefender.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\@tzres.dll,-1912 = "Russia TZ 10 Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-221 = "Alaskan Daylight Time" windefender.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\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time" d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-361 = "GTB Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time" d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time" d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time" d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.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\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time" d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time" d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.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,-51 = "Greenland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time" d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-242 = "Samoa 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" d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-104 = "Central Brazilian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time" d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time" d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1802 = "Line Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time" d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs 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,-192 = "Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-215 = "Pacific Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time" d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time" d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exed1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exepowershell.exed1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid process 1128 powershell.exe 1128 powershell.exe 3640 d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exe 3640 d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exe 3348 powershell.exe 3348 powershell.exe 3092 d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exe 3092 d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exe 3092 d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exe 3092 d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exe 3092 d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exe 3092 d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exe 3092 d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exe 3092 d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exe 3092 d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exe 3092 d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exe 1960 powershell.exe 1960 powershell.exe 1116 powershell.exe 1116 powershell.exe 1116 powershell.exe 5768 powershell.exe 5768 powershell.exe 2936 powershell.exe 2936 powershell.exe 4992 powershell.exe 4992 powershell.exe 5300 injector.exe 5300 injector.exe 5300 injector.exe 5300 injector.exe 5300 injector.exe 5300 injector.exe 2140 csrss.exe 2140 csrss.exe 5300 injector.exe 5300 injector.exe 5300 injector.exe 5300 injector.exe 5300 injector.exe 5300 injector.exe 2140 csrss.exe 2140 csrss.exe 5300 injector.exe 5300 injector.exe 5300 injector.exe 5300 injector.exe 2140 csrss.exe 2140 csrss.exe 5300 injector.exe 5300 injector.exe 5300 injector.exe 5300 injector.exe 5300 injector.exe 5300 injector.exe 5300 injector.exe 5300 injector.exe 5300 injector.exe 5300 injector.exe 5300 injector.exe 5300 injector.exe 5300 injector.exe 5300 injector.exe 5300 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exed1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid process Token: SeDebugPrivilege 1128 powershell.exe Token: SeDebugPrivilege 3640 d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exe Token: SeImpersonatePrivilege 3640 d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exe Token: SeDebugPrivilege 3348 powershell.exe Token: SeDebugPrivilege 1960 powershell.exe Token: SeDebugPrivilege 1116 powershell.exe Token: SeDebugPrivilege 5768 powershell.exe Token: SeDebugPrivilege 2936 powershell.exe Token: SeDebugPrivilege 4992 powershell.exe Token: SeSystemEnvironmentPrivilege 2140 csrss.exe Token: SeSecurityPrivilege 3944 sc.exe Token: SeSecurityPrivilege 3944 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exed1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.execmd.execsrss.exewindefender.execmd.exedescription pid process target process PID 3640 wrote to memory of 1128 3640 d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exe powershell.exe PID 3640 wrote to memory of 1128 3640 d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exe powershell.exe PID 3640 wrote to memory of 1128 3640 d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exe powershell.exe PID 3092 wrote to memory of 3348 3092 d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exe powershell.exe PID 3092 wrote to memory of 3348 3092 d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exe powershell.exe PID 3092 wrote to memory of 3348 3092 d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exe powershell.exe PID 3092 wrote to memory of 724 3092 d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exe cmd.exe PID 3092 wrote to memory of 724 3092 d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exe cmd.exe PID 724 wrote to memory of 1660 724 cmd.exe netsh.exe PID 724 wrote to memory of 1660 724 cmd.exe netsh.exe PID 3092 wrote to memory of 1960 3092 d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exe powershell.exe PID 3092 wrote to memory of 1960 3092 d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exe powershell.exe PID 3092 wrote to memory of 1960 3092 d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exe powershell.exe PID 3092 wrote to memory of 1116 3092 d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exe powershell.exe PID 3092 wrote to memory of 1116 3092 d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exe powershell.exe PID 3092 wrote to memory of 1116 3092 d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exe powershell.exe PID 3092 wrote to memory of 2140 3092 d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exe csrss.exe PID 3092 wrote to memory of 2140 3092 d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exe csrss.exe PID 3092 wrote to memory of 2140 3092 d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exe csrss.exe PID 2140 wrote to memory of 5768 2140 csrss.exe powershell.exe PID 2140 wrote to memory of 5768 2140 csrss.exe powershell.exe PID 2140 wrote to memory of 5768 2140 csrss.exe powershell.exe PID 2140 wrote to memory of 2936 2140 csrss.exe powershell.exe PID 2140 wrote to memory of 2936 2140 csrss.exe powershell.exe PID 2140 wrote to memory of 2936 2140 csrss.exe powershell.exe PID 2140 wrote to memory of 4992 2140 csrss.exe powershell.exe PID 2140 wrote to memory of 4992 2140 csrss.exe powershell.exe PID 2140 wrote to memory of 4992 2140 csrss.exe powershell.exe PID 2140 wrote to memory of 5300 2140 csrss.exe injector.exe PID 2140 wrote to memory of 5300 2140 csrss.exe injector.exe PID 4980 wrote to memory of 6068 4980 windefender.exe cmd.exe PID 4980 wrote to memory of 6068 4980 windefender.exe cmd.exe PID 4980 wrote to memory of 6068 4980 windefender.exe cmd.exe PID 6068 wrote to memory of 3944 6068 cmd.exe sc.exe PID 6068 wrote to memory of 3944 6068 cmd.exe sc.exe PID 6068 wrote to memory of 3944 6068 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\d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exe"C:\Users\Admin\AppData\Local\Temp\d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3640 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1128 -
C:\Users\Admin\AppData\Local\Temp\d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exe"C:\Users\Admin\AppData\Local\Temp\d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.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:3092 -
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:3348 -
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:724 -
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:1660 -
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:1960 -
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:1116 -
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:2140 -
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:5768 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:6124 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:5972
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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:2936 -
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:4992 -
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:5300 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:5092 -
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4980 -
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:6068 -
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:3944
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1372
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
MD5ed1f4b4288edb947ac9c448e6347fb85
SHA107f2277ea22b4f82ed844050ad2610a71bb0cc38
SHA256eacabe86b8fef589d5db354bc36e9638264019cc248893a216e669a03e99f99a
SHA512aa2d801c4e69256452462040d0e5772841476bdc62f56be87dc8ad1a44f39716bce5c401893bb6167a4c1c34fe2ca6471504f3803c3b9b36b5baad81ec9a2dca
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5988b0119fd9b5c18e7b76833a7e5dc8f
SHA1fa146d05b5ae82dde80a6cbbb6ee84b6183a5c4d
SHA2566384b267315864d6aa21fa537808b5da4385553d02bacd611b72e06931f71e7b
SHA5126f7221321788f4142cfe73c2fbf67ed1110dab220dc9d0d1e1b88b462c5c977e0ab7fd7c2367de2585b49bd2e74831e220cc246494c90bf1b088e8acd27f01b2
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50f9901c32f2800950d776987af0502ee
SHA1131bb8ae63d05ad5019b30c484f8d76b57a95232
SHA256d5ea6707fd1d35e4974de5e04f3f6a1708c8b7a6309a7441547f8302fbdd1fc0
SHA512b0d5b9a6af28843002c5eec0055f5ab155a7a0554c6eb05eb4abe56492175ca0b760e8dab7ba887c8a1be42b2aedc42fb01ee303d3bc3aed9acbe787b501b411
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b21dfe717b01aa58710e6c1348f130cb
SHA10a9593d30e95bbe87cb90eeb7d338ae1f9dd28a5
SHA256128572f811d7e0df7cc2a03ae308d41536fcffb0bec6b5523b3022b7577d24f9
SHA512bc431e0f71e8cf7458c9657bc3d5881097fad5eb19ec0560694354992e6a882ed3a6af35e711fc3b8eee8cc2bc5ee55a8bf076817e18421f20cb156173af98fb
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5391afc432131dd38150a0ba879a87011
SHA1bab2ed5e4c09d416800867fc68178a216488bd4e
SHA25627843e0868743d79b660bca5c2a81be8372121560531b33f6bf442832b1fa1a8
SHA512541cf03be4036734850b1c40b51c09abe0a65e7b054e7aadbe4652d926e24b3a9158b307302b5f0b57008da089c5f21e5650301c9a9de0c7fd917277097eb707
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Filesize
4.1MB
MD5cb9fc70d346fd5f1283e5b6b940391e1
SHA113ad8f619a046005a1c0b988e9c84dcd3d138ea5
SHA256d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114
SHA5127582da619825621549cc094a49e342e3604cc7bb3644da9b96915dbed0c626246ee57983fd513ef459b75467ef1889c47bf042fefffa9643118ab8fafbf40700
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec