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Analysis
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max time kernel
150s -
max time network
166s -
platform
windows11-21h2_x64 -
resource
win11-20240412-en -
resource tags
arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system -
submitted
18/04/2024, 18:23
Static task
static1
Behavioral task
behavioral1
Sample
6e4aaf030253303b37fc9adfa2c461f30f5a5aef5087eb6d50cf1075f40f7d7f.exe
Resource
win10v2004-20240412-en
General
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Target
6e4aaf030253303b37fc9adfa2c461f30f5a5aef5087eb6d50cf1075f40f7d7f.exe
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Size
4.2MB
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MD5
0c2accc2e57305304c3d82450e1a0efc
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SHA1
d64d348c3c97a1ca3d7b5392c3167a41f0534f61
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SHA256
6e4aaf030253303b37fc9adfa2c461f30f5a5aef5087eb6d50cf1075f40f7d7f
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SHA512
0405137a33c9c1903171249da07a7e0877882e0679840f46d4cf586ae883e1a0e6fdfc171186a6fa6ab40049ae0e464ff5071930087490f2617aae679e0a3f04
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SSDEEP
98304:2QInvlJBJIUJQszVJveaj34waKWau7RuKZVdiWsTMW:69QGJLORuK1UMW
Malware Config
Signatures
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Glupteba payload 17 IoCs
resource yara_rule behavioral2/memory/1396-2-0x0000000005220000-0x0000000005B0B000-memory.dmp family_glupteba behavioral2/memory/1396-3-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral2/memory/1396-24-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral2/memory/1396-52-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral2/memory/1396-53-0x0000000005220000-0x0000000005B0B000-memory.dmp family_glupteba behavioral2/memory/2376-55-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral2/memory/2376-82-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral2/memory/2376-83-0x0000000003320000-0x000000000371F000-memory.dmp family_glupteba behavioral2/memory/2376-97-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral2/memory/2376-113-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral2/memory/2376-146-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral2/memory/1640-204-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral2/memory/1640-241-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral2/memory/1640-250-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral2/memory/1640-252-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral2/memory/1640-253-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral2/memory/1640-255-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3996 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1640 csrss.exe 2132 injector.exe 4092 windefender.exe 4108 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa53-244.dat upx behavioral2/memory/4092-249-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4108-251-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4108-256-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2516240262-2296879883-3965305654-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 6e4aaf030253303b37fc9adfa2c461f30f5a5aef5087eb6d50cf1075f40f7d7f.exe Set value (str) \REGISTRY\USER\S-1-5-21-2516240262-2296879883-3965305654-1000\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 opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 6e4aaf030253303b37fc9adfa2c461f30f5a5aef5087eb6d50cf1075f40f7d7f.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 6e4aaf030253303b37fc9adfa2c461f30f5a5aef5087eb6d50cf1075f40f7d7f.exe File created C:\Windows\rss\csrss.exe 6e4aaf030253303b37fc9adfa2c461f30f5a5aef5087eb6d50cf1075f40f7d7f.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 2544 sc.exe -
Program crash 2 IoCs
pid pid_target Process procid_target 4720 1396 WerFault.exe 80 1360 2376 WerFault.exe 86 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4788 schtasks.exe 2180 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2062 = "North Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-242 = "Samoa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time" 6e4aaf030253303b37fc9adfa2c461f30f5a5aef5087eb6d50cf1075f40f7d7f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time" 6e4aaf030253303b37fc9adfa2c461f30f5a5aef5087eb6d50cf1075f40f7d7f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-3141 = "South Sudan Daylight Time" 6e4aaf030253303b37fc9adfa2c461f30f5a5aef5087eb6d50cf1075f40f7d7f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-161 = "Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2431 = "Cuba Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-961 = "Paraguay Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time" 6e4aaf030253303b37fc9adfa2c461f30f5a5aef5087eb6d50cf1075f40f7d7f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" 6e4aaf030253303b37fc9adfa2c461f30f5a5aef5087eb6d50cf1075f40f7d7f.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,-201 = "US Mountain Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-911 = "Mauritius Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time" 6e4aaf030253303b37fc9adfa2c461f30f5a5aef5087eb6d50cf1075f40f7d7f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" 6e4aaf030253303b37fc9adfa2c461f30f5a5aef5087eb6d50cf1075f40f7d7f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" 6e4aaf030253303b37fc9adfa2c461f30f5a5aef5087eb6d50cf1075f40f7d7f.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\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" 6e4aaf030253303b37fc9adfa2c461f30f5a5aef5087eb6d50cf1075f40f7d7f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" 6e4aaf030253303b37fc9adfa2c461f30f5a5aef5087eb6d50cf1075f40f7d7f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-364 = "Middle East Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time" 6e4aaf030253303b37fc9adfa2c461f30f5a5aef5087eb6d50cf1075f40f7d7f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time" 6e4aaf030253303b37fc9adfa2c461f30f5a5aef5087eb6d50cf1075f40f7d7f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-251 = "Dateline Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2342 = "Haiti Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time" 6e4aaf030253303b37fc9adfa2c461f30f5a5aef5087eb6d50cf1075f40f7d7f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time" 6e4aaf030253303b37fc9adfa2c461f30f5a5aef5087eb6d50cf1075f40f7d7f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time" 6e4aaf030253303b37fc9adfa2c461f30f5a5aef5087eb6d50cf1075f40f7d7f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2372 = "Easter Island Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. Standard Time" 6e4aaf030253303b37fc9adfa2c461f30f5a5aef5087eb6d50cf1075f40f7d7f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" 6e4aaf030253303b37fc9adfa2c461f30f5a5aef5087eb6d50cf1075f40f7d7f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time" 6e4aaf030253303b37fc9adfa2c461f30f5a5aef5087eb6d50cf1075f40f7d7f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2751 = "Tomsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2142 = "Transbaikal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2791 = "Novosibirsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" 6e4aaf030253303b37fc9adfa2c461f30f5a5aef5087eb6d50cf1075f40f7d7f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-841 = "Argentina Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-932 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time" 6e4aaf030253303b37fc9adfa2c461f30f5a5aef5087eb6d50cf1075f40f7d7f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4280 powershell.exe 4280 powershell.exe 1396 6e4aaf030253303b37fc9adfa2c461f30f5a5aef5087eb6d50cf1075f40f7d7f.exe 1396 6e4aaf030253303b37fc9adfa2c461f30f5a5aef5087eb6d50cf1075f40f7d7f.exe 2052 powershell.exe 2052 powershell.exe 2376 6e4aaf030253303b37fc9adfa2c461f30f5a5aef5087eb6d50cf1075f40f7d7f.exe 2376 6e4aaf030253303b37fc9adfa2c461f30f5a5aef5087eb6d50cf1075f40f7d7f.exe 2376 6e4aaf030253303b37fc9adfa2c461f30f5a5aef5087eb6d50cf1075f40f7d7f.exe 2376 6e4aaf030253303b37fc9adfa2c461f30f5a5aef5087eb6d50cf1075f40f7d7f.exe 2376 6e4aaf030253303b37fc9adfa2c461f30f5a5aef5087eb6d50cf1075f40f7d7f.exe 2376 6e4aaf030253303b37fc9adfa2c461f30f5a5aef5087eb6d50cf1075f40f7d7f.exe 2376 6e4aaf030253303b37fc9adfa2c461f30f5a5aef5087eb6d50cf1075f40f7d7f.exe 2376 6e4aaf030253303b37fc9adfa2c461f30f5a5aef5087eb6d50cf1075f40f7d7f.exe 2376 6e4aaf030253303b37fc9adfa2c461f30f5a5aef5087eb6d50cf1075f40f7d7f.exe 2376 6e4aaf030253303b37fc9adfa2c461f30f5a5aef5087eb6d50cf1075f40f7d7f.exe 2368 powershell.exe 2368 powershell.exe 2396 powershell.exe 2396 powershell.exe 920 powershell.exe 920 powershell.exe 2644 powershell.exe 2644 powershell.exe 1508 powershell.exe 1508 powershell.exe 2132 injector.exe 2132 injector.exe 2132 injector.exe 2132 injector.exe 2132 injector.exe 2132 injector.exe 1640 csrss.exe 1640 csrss.exe 2132 injector.exe 2132 injector.exe 2132 injector.exe 2132 injector.exe 2132 injector.exe 2132 injector.exe 1640 csrss.exe 1640 csrss.exe 2132 injector.exe 2132 injector.exe 2132 injector.exe 2132 injector.exe 1640 csrss.exe 1640 csrss.exe 2132 injector.exe 2132 injector.exe 2132 injector.exe 2132 injector.exe 2132 injector.exe 2132 injector.exe 2132 injector.exe 2132 injector.exe 2132 injector.exe 2132 injector.exe 2132 injector.exe 2132 injector.exe 2132 injector.exe 2132 injector.exe 2132 injector.exe 2132 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4280 powershell.exe Token: SeDebugPrivilege 1396 6e4aaf030253303b37fc9adfa2c461f30f5a5aef5087eb6d50cf1075f40f7d7f.exe Token: SeImpersonatePrivilege 1396 6e4aaf030253303b37fc9adfa2c461f30f5a5aef5087eb6d50cf1075f40f7d7f.exe Token: SeDebugPrivilege 2052 powershell.exe Token: SeDebugPrivilege 2368 powershell.exe Token: SeDebugPrivilege 2396 powershell.exe Token: SeDebugPrivilege 920 powershell.exe Token: SeDebugPrivilege 2644 powershell.exe Token: SeDebugPrivilege 1508 powershell.exe Token: SeSystemEnvironmentPrivilege 1640 csrss.exe Token: SeSecurityPrivilege 2544 sc.exe Token: SeSecurityPrivilege 2544 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1396 wrote to memory of 4280 1396 6e4aaf030253303b37fc9adfa2c461f30f5a5aef5087eb6d50cf1075f40f7d7f.exe 82 PID 1396 wrote to memory of 4280 1396 6e4aaf030253303b37fc9adfa2c461f30f5a5aef5087eb6d50cf1075f40f7d7f.exe 82 PID 1396 wrote to memory of 4280 1396 6e4aaf030253303b37fc9adfa2c461f30f5a5aef5087eb6d50cf1075f40f7d7f.exe 82 PID 2376 wrote to memory of 2052 2376 6e4aaf030253303b37fc9adfa2c461f30f5a5aef5087eb6d50cf1075f40f7d7f.exe 91 PID 2376 wrote to memory of 2052 2376 6e4aaf030253303b37fc9adfa2c461f30f5a5aef5087eb6d50cf1075f40f7d7f.exe 91 PID 2376 wrote to memory of 2052 2376 6e4aaf030253303b37fc9adfa2c461f30f5a5aef5087eb6d50cf1075f40f7d7f.exe 91 PID 2376 wrote to memory of 3620 2376 6e4aaf030253303b37fc9adfa2c461f30f5a5aef5087eb6d50cf1075f40f7d7f.exe 93 PID 2376 wrote to memory of 3620 2376 6e4aaf030253303b37fc9adfa2c461f30f5a5aef5087eb6d50cf1075f40f7d7f.exe 93 PID 3620 wrote to memory of 3996 3620 cmd.exe 95 PID 3620 wrote to memory of 3996 3620 cmd.exe 95 PID 2376 wrote to memory of 2368 2376 6e4aaf030253303b37fc9adfa2c461f30f5a5aef5087eb6d50cf1075f40f7d7f.exe 96 PID 2376 wrote to memory of 2368 2376 6e4aaf030253303b37fc9adfa2c461f30f5a5aef5087eb6d50cf1075f40f7d7f.exe 96 PID 2376 wrote to memory of 2368 2376 6e4aaf030253303b37fc9adfa2c461f30f5a5aef5087eb6d50cf1075f40f7d7f.exe 96 PID 2376 wrote to memory of 2396 2376 6e4aaf030253303b37fc9adfa2c461f30f5a5aef5087eb6d50cf1075f40f7d7f.exe 98 PID 2376 wrote to memory of 2396 2376 6e4aaf030253303b37fc9adfa2c461f30f5a5aef5087eb6d50cf1075f40f7d7f.exe 98 PID 2376 wrote to memory of 2396 2376 6e4aaf030253303b37fc9adfa2c461f30f5a5aef5087eb6d50cf1075f40f7d7f.exe 98 PID 2376 wrote to memory of 1640 2376 6e4aaf030253303b37fc9adfa2c461f30f5a5aef5087eb6d50cf1075f40f7d7f.exe 100 PID 2376 wrote to memory of 1640 2376 6e4aaf030253303b37fc9adfa2c461f30f5a5aef5087eb6d50cf1075f40f7d7f.exe 100 PID 2376 wrote to memory of 1640 2376 6e4aaf030253303b37fc9adfa2c461f30f5a5aef5087eb6d50cf1075f40f7d7f.exe 100 PID 1640 wrote to memory of 920 1640 csrss.exe 103 PID 1640 wrote to memory of 920 1640 csrss.exe 103 PID 1640 wrote to memory of 920 1640 csrss.exe 103 PID 1640 wrote to memory of 2644 1640 csrss.exe 109 PID 1640 wrote to memory of 2644 1640 csrss.exe 109 PID 1640 wrote to memory of 2644 1640 csrss.exe 109 PID 1640 wrote to memory of 1508 1640 csrss.exe 111 PID 1640 wrote to memory of 1508 1640 csrss.exe 111 PID 1640 wrote to memory of 1508 1640 csrss.exe 111 PID 1640 wrote to memory of 2132 1640 csrss.exe 113 PID 1640 wrote to memory of 2132 1640 csrss.exe 113 PID 4092 wrote to memory of 1408 4092 windefender.exe 119 PID 4092 wrote to memory of 1408 4092 windefender.exe 119 PID 4092 wrote to memory of 1408 4092 windefender.exe 119 PID 1408 wrote to memory of 2544 1408 cmd.exe 120 PID 1408 wrote to memory of 2544 1408 cmd.exe 120 PID 1408 wrote to memory of 2544 1408 cmd.exe 120 -
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\6e4aaf030253303b37fc9adfa2c461f30f5a5aef5087eb6d50cf1075f40f7d7f.exe"C:\Users\Admin\AppData\Local\Temp\6e4aaf030253303b37fc9adfa2c461f30f5a5aef5087eb6d50cf1075f40f7d7f.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1396 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4280
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C:\Users\Admin\AppData\Local\Temp\6e4aaf030253303b37fc9adfa2c461f30f5a5aef5087eb6d50cf1075f40f7d7f.exe"C:\Users\Admin\AppData\Local\Temp\6e4aaf030253303b37fc9adfa2c461f30f5a5aef5087eb6d50cf1075f40f7d7f.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:2376 -
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:2052
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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:3620 -
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:3996
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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:2368
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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:2396
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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:1640 -
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:920
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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:4788
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1748
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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:2644
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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:1508
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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:2132
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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:2180
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4092 -
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:1408 -
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:2544
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2376 -s 9123⤵
- Program crash
PID:1360
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1396 -s 9802⤵
- Program crash
PID:4720
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 1396 -ip 13961⤵PID:4156
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 2376 -ip 23761⤵PID:3176
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4108
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
MD5f717b37f14927567de812741a4f5c29a
SHA17911f3ba81005b9fa4c4b3aa682190a81b57b2d9
SHA256bbb0b8f6d2cdff44eb60454b0f3bcfb482b7da4b3b1c0c273e93b4ac552fe1ab
SHA5126e66d9433ace7d3592ce7dfdccd4cb7f95ba89ae49bb030c1ba01489626043f68284a6b43ec5eef3d3e2abfeeecde568dedaa40405401b2b5b1fb21c102326cc
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD580289a892f7af8a1df5df939ac360c6f
SHA1c25ea658e16317e4d8d462f976111bf09d55b900
SHA2561d2c9d582ea86f25836ea224a9e54b48bb6e2c1aa205e26c97231345c249c3fe
SHA5120044769a950f207cd48db7128060e608537a65689628673c44503d53d15ab2bb356647ce3d5364f054d9ecd6da908c4196910b456719c0bf00d7fac7efed911a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5bfffcef9f9b40cbb919d969f53e36079
SHA1bd14a96ffcbba928d7b3dfa756c2ab03b8243411
SHA2569350874a5b5e2fbcba3effa647f3f13ab85ee0d62a6846073c0be297c4edeea3
SHA5122257341ced97dc21f591a86390dbe59a64d1a63e99f0fd957e96151503440cab46af293874d9006e7d4577570dd0b0f627cb680d3347a8f9a3a2adb1d283232f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50e73e6e512fe6524297494c48569a063
SHA1e54ac586561439eaeae2b4c9e5f3122e6294754b
SHA256051ae2fc2a08b59b53e89ff746e2089622b51884760d35f179bcce13d7dc85c3
SHA512f9b1ed522814cc40d98b4b7ab57325d154a5f69142789b4e3cca88ad26adfda3d28f9d2bbbf5bfc04da70adab8c919b8858214884dc6d442019bcdadd73b8228
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5baaaad5b55b6ddf6ce16a8e085ac69af
SHA13f50c69f10ccaea95064fbfe4e16399f29b82eca
SHA256d8479a76002bf264a2770054141ca88fd426b2377048419e8023a501e486eec2
SHA512b0f2ba47e38f5a255c6065e0cb606b822aa3268cb89d3b0848cbab6d28c1dfd82a6b8eae8a0a82eb0b1591aabc2e430855d68bf8471d7a84f170ac5ab9d2ac5f
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Filesize
4.2MB
MD50c2accc2e57305304c3d82450e1a0efc
SHA1d64d348c3c97a1ca3d7b5392c3167a41f0534f61
SHA2566e4aaf030253303b37fc9adfa2c461f30f5a5aef5087eb6d50cf1075f40f7d7f
SHA5120405137a33c9c1903171249da07a7e0877882e0679840f46d4cf586ae883e1a0e6fdfc171186a6fa6ab40049ae0e464ff5071930087490f2617aae679e0a3f04
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec