Analysis
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max time kernel
149s -
max time network
150s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-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 behavioral2/memory/1212-2-0x0000000004AC0000-0x00000000053AB000-memory.dmp family_glupteba behavioral2/memory/1212-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1212-94-0x0000000004AC0000-0x00000000053AB000-memory.dmp family_glupteba behavioral2/memory/1212-92-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/2588-119-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/1212-153-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2920-195-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/2920-206-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/2920-209-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/2920-212-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/2920-215-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/2920-218-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/2920-221-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/2920-224-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/2920-227-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/2920-230-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/2920-233-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/2920-236-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/2920-239-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 244 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 2920 csrss.exe 4828 injector.exe 5068 windefender.exe 3256 windefender.exe -
Processes:
resource yara_rule behavioral2/files/0x000200000002aa1c-198.dat upx behavioral2/memory/5068-199-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/5068-204-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3256-202-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3256-208-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3256-214-0x0000000000400000-0x00000000008DF000-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-1-5-21-3938118698-2964058152-2337880935-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exe Set value (str) \REGISTRY\USER\S-1-5-21-3938118698-2964058152-2337880935-1000\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 4100 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 1256 powershell.exe 72 powershell.exe 2244 powershell.exe 436 powershell.exe 2764 powershell.exe 2400 powershell.exe 4948 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 3204 schtasks.exe 4564 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exepowershell.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,-2591 = "Tocantins Daylight Time" d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.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,-2512 = "Lord Howe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-592 = "Malay Peninsula Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-122 = "SA Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.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,-51 = "Greenland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-932 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time" d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs 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\C:\Windows\system32\,@tzres.dll,-1892 = "Russia TZ 3 Standard Time" d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time" d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time" d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.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\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time" d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.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,-632 = "Tokyo Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time" d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time" d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time" d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.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\@tzres.dll,-2531 = "Chatham Islands Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-911 = "Mauritius Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs 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,-292 = "Central European Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-334 = "Jordan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-841 = "Argentina Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-81 = "Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1502 = "Turkey Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2572 = "Turks and Caicos Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exed1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exepowershell.exed1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 1256 powershell.exe 1256 powershell.exe 1212 d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exe 1212 d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exe 72 powershell.exe 72 powershell.exe 2588 d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exe 2588 d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exe 2588 d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exe 2588 d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exe 2588 d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exe 2588 d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exe 2588 d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exe 2588 d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exe 2588 d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exe 2588 d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exe 2244 powershell.exe 2244 powershell.exe 436 powershell.exe 436 powershell.exe 2764 powershell.exe 2764 powershell.exe 2400 powershell.exe 2400 powershell.exe 4948 powershell.exe 4948 powershell.exe 4828 injector.exe 4828 injector.exe 4828 injector.exe 4828 injector.exe 4828 injector.exe 4828 injector.exe 2920 csrss.exe 2920 csrss.exe 4828 injector.exe 4828 injector.exe 4828 injector.exe 4828 injector.exe 4828 injector.exe 4828 injector.exe 2920 csrss.exe 2920 csrss.exe 4828 injector.exe 4828 injector.exe 2920 csrss.exe 2920 csrss.exe 4828 injector.exe 4828 injector.exe 4828 injector.exe 4828 injector.exe 4828 injector.exe 4828 injector.exe 4828 injector.exe 4828 injector.exe 4828 injector.exe 4828 injector.exe 4828 injector.exe 4828 injector.exe 4828 injector.exe 4828 injector.exe 4828 injector.exe 4828 injector.exe 4828 injector.exe 4828 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exed1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 1256 powershell.exe Token: SeDebugPrivilege 1212 d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exe Token: SeImpersonatePrivilege 1212 d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exe Token: SeDebugPrivilege 72 powershell.exe Token: SeDebugPrivilege 2244 powershell.exe Token: SeDebugPrivilege 436 powershell.exe Token: SeDebugPrivilege 2764 powershell.exe Token: SeDebugPrivilege 2400 powershell.exe Token: SeDebugPrivilege 4948 powershell.exe Token: SeSystemEnvironmentPrivilege 2920 csrss.exe Token: SeSecurityPrivilege 4100 sc.exe Token: SeSecurityPrivilege 4100 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exed1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 1212 wrote to memory of 1256 1212 d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exe 82 PID 1212 wrote to memory of 1256 1212 d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exe 82 PID 1212 wrote to memory of 1256 1212 d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exe 82 PID 2588 wrote to memory of 72 2588 d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exe 88 PID 2588 wrote to memory of 72 2588 d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exe 88 PID 2588 wrote to memory of 72 2588 d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exe 88 PID 2588 wrote to memory of 3384 2588 d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exe 90 PID 2588 wrote to memory of 3384 2588 d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exe 90 PID 3384 wrote to memory of 244 3384 cmd.exe 92 PID 3384 wrote to memory of 244 3384 cmd.exe 92 PID 2588 wrote to memory of 2244 2588 d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exe 93 PID 2588 wrote to memory of 2244 2588 d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exe 93 PID 2588 wrote to memory of 2244 2588 d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exe 93 PID 2588 wrote to memory of 436 2588 d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exe 95 PID 2588 wrote to memory of 436 2588 d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exe 95 PID 2588 wrote to memory of 436 2588 d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exe 95 PID 2588 wrote to memory of 2920 2588 d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exe 97 PID 2588 wrote to memory of 2920 2588 d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exe 97 PID 2588 wrote to memory of 2920 2588 d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exe 97 PID 2920 wrote to memory of 2764 2920 csrss.exe 98 PID 2920 wrote to memory of 2764 2920 csrss.exe 98 PID 2920 wrote to memory of 2764 2920 csrss.exe 98 PID 2920 wrote to memory of 2400 2920 csrss.exe 103 PID 2920 wrote to memory of 2400 2920 csrss.exe 103 PID 2920 wrote to memory of 2400 2920 csrss.exe 103 PID 2920 wrote to memory of 4948 2920 csrss.exe 106 PID 2920 wrote to memory of 4948 2920 csrss.exe 106 PID 2920 wrote to memory of 4948 2920 csrss.exe 106 PID 2920 wrote to memory of 4828 2920 csrss.exe 108 PID 2920 wrote to memory of 4828 2920 csrss.exe 108 PID 5068 wrote to memory of 2332 5068 windefender.exe 114 PID 5068 wrote to memory of 2332 5068 windefender.exe 114 PID 5068 wrote to memory of 2332 5068 windefender.exe 114 PID 2332 wrote to memory of 4100 2332 cmd.exe 115 PID 2332 wrote to memory of 4100 2332 cmd.exe 115 PID 2332 wrote to memory of 4100 2332 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\d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exe"C:\Users\Admin\AppData\Local\Temp\d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1212 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1256
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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:2588 -
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:72
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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:3384 -
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:244
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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:2244
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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:436
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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:2920 -
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:2764
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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:3204
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4900
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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:2400
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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:4948
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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:4828
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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:4564
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:5068 -
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:2332 -
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:4100
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3256
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
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57e1cc2fb61cf9701fb99ee0bfd4c42ab
SHA12a129623439b6fc2578be3546e3e7b2e669e5592
SHA2565f58e73fd8d58a72e1c6b61bdeb0f84bb6bd8b7918268e82d612fdbc5785d1cc
SHA5124a7bb0e2467d2d3a2d0dfd94d0083c0b64e4d2b6192f381460428eb5d3a1e9aea74bd068bf31887beeab50ac92f89bd2e7927105f52b3c7a1a12f006a80ca8d6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b57362538f5a93229684b8b7d1defa89
SHA10225014d89ee0067c25a7dedfbc8399247d6b3e8
SHA2568a1f5598b1ca5189193d05a7d89c5f375b298b11d0c2828358a9e89f3a849b65
SHA512f75ab0b80a1da3a2274947c50876027ed4b89bd4773fe2921d1da4a437ca578df7b6e39363f837f875fddfd6f0416b905ffa4ff0fa580a8631af6c5c7b56c428
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5acd83b4da5f8de7b160a5a80187a620f
SHA1c4e547b06c1d6f5d15553b42106ac7f2112cd08c
SHA256d1cbb2d8003f42c7844537390c1b7a9543aa5b744bc2404bd211f55ec2565b57
SHA512d371e78e4f794e540984641394a2c36b05bc4c0c6afaac051ab6ac8f9481fa5a99f4fcaab572b3864bb7d7d58eef8ffa6a3f5ee2d241db4b77b4be9318b01974
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54c19c33985098282814dc60f3c4076b5
SHA127a60eb0acdebde5d0f0e8863d7b1700f09e1b8d
SHA256496c51a7315b636cc0da9cfc3a9f6ef81cf4afde285f7ef49cb46b1b17cba942
SHA5126e0d7eb4e4d873140383c1aeb62e50a66c7ea0c6fdc967e29915fcb99204e0916c263b199e38431339203e9abdc7bfe95783ccd866c318574537f66397fd53a0
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a799daf13e79cf14f76cce0d649da737
SHA1734da4d02d4f72edc67133e645608267a06e116d
SHA256b9b30404b192e79ca01767e1cdcee69c0a49d2b7837334403f2871c322c5a33a
SHA512bee9939f2da0c0e8a26a201ece19650e862674e30140431b0ec1f5392b91a2d381e39a6afe20327e885fa90bacb985db344ec1d3c80b0fc17e12bdbbd1bbe76e
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Filesize
4.1MB
MD5cb9fc70d346fd5f1283e5b6b940391e1
SHA113ad8f619a046005a1c0b988e9c84dcd3d138ea5
SHA256d1648e0b486ef23e5f0c2e8c1d39faaece1da141f8dcbe16dfb560c169f28114
SHA5127582da619825621549cc094a49e342e3604cc7bb3644da9b96915dbed0c626246ee57983fd513ef459b75467ef1889c47bf042fefffa9643118ab8fafbf40700
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec