Analysis
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max time kernel
150s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
17/04/2024, 15:47
Static task
static1
Behavioral task
behavioral1
Sample
e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe
Resource
win10v2004-20240412-en
General
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Target
e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe
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Size
4.2MB
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MD5
1668ccef2fc9bdcfc1defa824c8e5a81
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SHA1
956525e1188ea6a6935f105a60f57b93ef53e633
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SHA256
e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349
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SHA512
231b31ae22bb5459c6cf5f5c8baa3e897522678b50a727ac5acc51bf70520c0af2a9a47e15b87fa56da3ce87bf87305f45ac020094eb895b2a73b0b1c54b51d1
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SSDEEP
98304:ez7Cg0ld9bGpeFIidtQ9zICqBAsCsR7hN5aqRYTU7A:U7NcfZtQ9LJEd3aOYT+A
Malware Config
Signatures
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Glupteba payload 21 IoCs
resource yara_rule behavioral1/memory/2684-2-0x0000000005270000-0x0000000005B5B000-memory.dmp family_glupteba behavioral1/memory/2684-3-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral1/memory/2684-24-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral1/memory/2684-56-0x0000000005270000-0x0000000005B5B000-memory.dmp family_glupteba behavioral1/memory/2684-58-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral1/memory/3624-59-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral1/memory/2684-61-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral1/memory/3624-73-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral1/memory/3624-121-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral1/memory/3624-125-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral1/memory/3624-160-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral1/memory/2488-224-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral1/memory/2488-259-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral1/memory/2488-269-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral1/memory/2488-272-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral1/memory/2488-275-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral1/memory/2488-278-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral1/memory/2488-281-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral1/memory/2488-284-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral1/memory/2488-287-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral1/memory/2488-290-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1452 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2488 csrss.exe 4668 injector.exe 3208 windefender.exe 3904 windefender.exe -
resource yara_rule behavioral1/files/0x0008000000023417-262.dat upx behavioral1/memory/3208-267-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3904-270-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3904-277-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1826666146-2574340311-1877551059-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe Set value (str) \REGISTRY\USER\S-1-5-21-1826666146-2574340311-1877551059-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File 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.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe File created C:\Windows\rss\csrss.exe e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.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.
pid Process 3532 sc.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1544 schtasks.exe 5048 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time" e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time" e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time" e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1721 = "Libya Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2491 = "Aus Central W. Daylight Time" e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1832 = "Russia TZ 2 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1472 = "Magadan Standard Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2392 = "Aleutian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-31 = "Mid-Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-384 = "Namibia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-302 = "Romance Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1412 = "Syria Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time" e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates 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\26\52C64B7E\@tzres.dll,-2452 = "Saint Pierre Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time" e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-842 = "Argentina Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-561 = "SE Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time" e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-261 = "GMT Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-362 = "GTB Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-382 = "South Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs 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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time" e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time" e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time" e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates 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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time" e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-291 = "Central European Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-651 = "AUS Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time" e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1411 = "Syria Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2572 = "Turks and Caicos Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time" e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust 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\26\52C64B7E\@tzres.dll,-172 = "Central Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2891 = "Sudan Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs 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\26\52C64B7E\@tzres.dll,-672 = "AUS Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time" e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3100 powershell.exe 3100 powershell.exe 2684 e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe 2684 e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe 3684 powershell.exe 3684 powershell.exe 3624 e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe 3624 e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe 3624 e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe 3624 e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe 3624 e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe 3624 e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe 3624 e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe 3624 e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe 3624 e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe 3624 e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe 4256 powershell.exe 4256 powershell.exe 2020 powershell.exe 2020 powershell.exe 1108 powershell.exe 1108 powershell.exe 2264 powershell.exe 2264 powershell.exe 1412 powershell.exe 1412 powershell.exe 4668 injector.exe 4668 injector.exe 4668 injector.exe 4668 injector.exe 4668 injector.exe 4668 injector.exe 2488 csrss.exe 2488 csrss.exe 4668 injector.exe 4668 injector.exe 4668 injector.exe 4668 injector.exe 4668 injector.exe 4668 injector.exe 2488 csrss.exe 2488 csrss.exe 4668 injector.exe 4668 injector.exe 4668 injector.exe 4668 injector.exe 2488 csrss.exe 2488 csrss.exe 4668 injector.exe 4668 injector.exe 4668 injector.exe 4668 injector.exe 4668 injector.exe 4668 injector.exe 4668 injector.exe 4668 injector.exe 4668 injector.exe 4668 injector.exe 4668 injector.exe 4668 injector.exe 4668 injector.exe 4668 injector.exe 4668 injector.exe 4668 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3100 powershell.exe Token: SeDebugPrivilege 2684 e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe Token: SeImpersonatePrivilege 2684 e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe Token: SeDebugPrivilege 3684 powershell.exe Token: SeDebugPrivilege 4256 powershell.exe Token: SeDebugPrivilege 2020 powershell.exe Token: SeDebugPrivilege 1108 powershell.exe Token: SeDebugPrivilege 2264 powershell.exe Token: SeDebugPrivilege 1412 powershell.exe Token: SeSystemEnvironmentPrivilege 2488 csrss.exe Token: SeSecurityPrivilege 3532 sc.exe Token: SeSecurityPrivilege 3532 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2684 wrote to memory of 3100 2684 e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe 87 PID 2684 wrote to memory of 3100 2684 e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe 87 PID 2684 wrote to memory of 3100 2684 e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe 87 PID 3624 wrote to memory of 3684 3624 e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe 99 PID 3624 wrote to memory of 3684 3624 e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe 99 PID 3624 wrote to memory of 3684 3624 e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe 99 PID 3624 wrote to memory of 2628 3624 e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe 102 PID 3624 wrote to memory of 2628 3624 e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe 102 PID 2628 wrote to memory of 1452 2628 cmd.exe 104 PID 2628 wrote to memory of 1452 2628 cmd.exe 104 PID 3624 wrote to memory of 4256 3624 e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe 105 PID 3624 wrote to memory of 4256 3624 e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe 105 PID 3624 wrote to memory of 4256 3624 e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe 105 PID 3624 wrote to memory of 2020 3624 e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe 107 PID 3624 wrote to memory of 2020 3624 e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe 107 PID 3624 wrote to memory of 2020 3624 e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe 107 PID 3624 wrote to memory of 2488 3624 e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe 109 PID 3624 wrote to memory of 2488 3624 e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe 109 PID 3624 wrote to memory of 2488 3624 e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe 109 PID 2488 wrote to memory of 1108 2488 csrss.exe 110 PID 2488 wrote to memory of 1108 2488 csrss.exe 110 PID 2488 wrote to memory of 1108 2488 csrss.exe 110 PID 2488 wrote to memory of 2264 2488 csrss.exe 117 PID 2488 wrote to memory of 2264 2488 csrss.exe 117 PID 2488 wrote to memory of 2264 2488 csrss.exe 117 PID 2488 wrote to memory of 1412 2488 csrss.exe 119 PID 2488 wrote to memory of 1412 2488 csrss.exe 119 PID 2488 wrote to memory of 1412 2488 csrss.exe 119 PID 2488 wrote to memory of 4668 2488 csrss.exe 121 PID 2488 wrote to memory of 4668 2488 csrss.exe 121 PID 3208 wrote to memory of 3428 3208 windefender.exe 127 PID 3208 wrote to memory of 3428 3208 windefender.exe 127 PID 3208 wrote to memory of 3428 3208 windefender.exe 127 PID 3428 wrote to memory of 3532 3428 cmd.exe 128 PID 3428 wrote to memory of 3532 3428 cmd.exe 128 PID 3428 wrote to memory of 3532 3428 cmd.exe 128 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe"C:\Users\Admin\AppData\Local\Temp\e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2684 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3100
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C:\Users\Admin\AppData\Local\Temp\e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.exe"C:\Users\Admin\AppData\Local\Temp\e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349.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:3624 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3684
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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:2628 -
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:1452
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4256
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2020
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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:2488 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1108
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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:1544
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4968
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2264
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1412
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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:4668
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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:5048
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3208 -
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:3428 -
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:3532
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3904
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
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD547efdcf0f1b4f9dfcbe56b20634d7be9
SHA1c7624446156cbcc7e54f4a024fca55efdea01d14
SHA25606a0dfe9d541a73de45257e16ebe5878bbaf3b08191f3cb53250c5d73f5d2800
SHA5122b464529cad86a3f011034663eacef2e07aa63a0a11cb178c30039ae255019dba1994f422d61005692c67c4d739123aa2ab8947316c1a3d2b51101c2353cc34b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD575fa12fc28e58782320906dfe106fba2
SHA1bcedc25916b1a5cf9819eaa06a165577f1d7555d
SHA2560101a472d2d12895d8881e07e0168a1f2a73b9c2553a7bc6379fa6b667148803
SHA512c15effb2dfa192647119be0360fc08ac768bb97ecd6c455f8921a2f24726a342d68e9615cc95d119e5193c18223df4f8053a9b04ef26d82acedfebb4528c8b78
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD528ebf3514c858c43f6139f46831a5cbb
SHA18c9b215e4c6f2f8a497d82ccc0d23465f71492b8
SHA2564a9faa3c61781a37ae434370cdd7f2c5a4a9893cd3fd754491effcb7fd066014
SHA512b0fac6220438bce0000ed6d4063bd7cf7e9ce66e4f8b6e429f83adbae87c513c5a60cdf5c7f89623587ea12a381adf232fd3516468f97aa853e1b0f6374b2d66
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5bc5044b5c1f543b1124f3400fdac5d90
SHA10c87a570fb67ae8d2c76c3ade737b959638b3d86
SHA25623298fea359daf8b5716f0ad91c7c490901ee122f9e249df7d4bfff078ec29d1
SHA512da89c174d52e4d38d10d864eee83f8b4d18501ea5dc446e4dd54c7cc8580a4d9961a1072950ccd04169281cde2d03057019b90438c172c5bb15e8acdb307c9c4
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58861e9ffd69ecc7419e0b66e7cc231ad
SHA1a3f51452c576e833d79c75944422076a3b7e5fc0
SHA256a373e2e7a927eb54b6aa87e7e70dcba3715c148a219c5e8fcd60663f1805f93c
SHA5121822f05fe13dadaa6f773d2d96b25a9ea6cc762a25bcdfe42d4c2378cf43d20622015d4e337908acb8d2a7c82fee05d156062044e629b2f083f8b9fb3b0a3468
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Filesize
4.2MB
MD51668ccef2fc9bdcfc1defa824c8e5a81
SHA1956525e1188ea6a6935f105a60f57b93ef53e633
SHA256e557ec68d2de589e9acfae0ca6eafca3b1d96b41b8ec0307a0b75a193551a349
SHA512231b31ae22bb5459c6cf5f5c8baa3e897522678b50a727ac5acc51bf70520c0af2a9a47e15b87fa56da3ce87bf87305f45ac020094eb895b2a73b0b1c54b51d1
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec