Analysis
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max time kernel
149s -
max time network
124s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
09/05/2024, 19:32
Static task
static1
Behavioral task
behavioral1
Sample
3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.exe
Resource
win10v2004-20240508-en
General
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Target
3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.exe
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Size
4.1MB
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MD5
6f4d183e5d1aab790f02bc0295e3d43e
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SHA1
1326ffb83de86687ef30cd8db10c5598be84bee2
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SHA256
3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5
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SHA512
ac935aa0489b23892a7653547888428c583ed116223c3c2cb207a8e30f5f3f0fc671fd58cc8addc5056ccfe41ab7afcd12f1f5def809f3025c4b9c36913e5f20
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SSDEEP
98304:dwBco1salv4p8AdbboIKOJLJ1nO5Zld79mTpg:dwqoWyv4yANjKQa7oi
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/4816-2-0x0000000004FC0000-0x00000000058AB000-memory.dmp family_glupteba behavioral1/memory/4816-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4816-9-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral1/memory/4816-58-0x0000000004FC0000-0x00000000058AB000-memory.dmp family_glupteba behavioral1/memory/4816-59-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral1/memory/4816-60-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4200-83-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral1/memory/4200-138-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral1/memory/3036-152-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral1/memory/3036-221-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral1/memory/3036-232-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral1/memory/3036-235-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral1/memory/3036-238-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral1/memory/3036-241-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral1/memory/3036-244-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral1/memory/3036-246-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral1/memory/3036-250-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral1/memory/3036-253-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral1/memory/3036-256-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 436 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3036 csrss.exe 3856 injector.exe 3080 windefender.exe 4208 windefender.exe -
resource yara_rule behavioral1/files/0x0008000000023427-225.dat upx behavioral1/memory/3080-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4208-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3080-231-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4208-234-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4208-240-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.exe Set value (str) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\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 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 -
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 3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.exe File created C:\Windows\rss\csrss.exe 3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.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 3520 sc.exe -
pid Process 3220 powershell.exe 2980 powershell.exe 4088 powershell.exe 2056 powershell.exe 2104 powershell.exe 3060 powershell.exe 5072 powershell.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 3852 schtasks.exe 1080 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time" 3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time" 3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2571 = "Turks and Caicos Daylight Time" 3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time" 3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.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,-2871 = "Magallanes Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-192 = "Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time" 3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" 3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-392 = "Arab Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-432 = "Iran Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-182 = "Mountain Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2572 = "Turks and Caicos Standard Time" 3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople 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\2a\52C64B7E\@tzres.dll,-401 = "Arabic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2611 = "Bougainville Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-892 = "Morocco Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time" 3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" 3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time" 3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" 3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time" 3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" 3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-681 = "E. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-271 = "Greenwich Daylight 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" 3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3052 = "Qyzylorda 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,-2161 = "Altai Daylight Time" 3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" 3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-622 = "Korea Standard Time" 3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" 3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-51 = "Greenland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1821 = "Russia TZ 1 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\2a\52C64B7E\@tzres.dll,-2631 = "Norfolk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-302 = "Romance Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2891 = "Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time" 3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)" 3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA 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\@tzres.dll,-792 = "SA Western Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2141 = "Transbaikal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1042 = "Ulaanbaatar Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time" 3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4088 powershell.exe 4088 powershell.exe 4816 3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.exe 4816 3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.exe 2056 powershell.exe 2056 powershell.exe 4200 3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.exe 4200 3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.exe 4200 3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.exe 4200 3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.exe 4200 3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.exe 4200 3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.exe 4200 3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.exe 4200 3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.exe 4200 3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.exe 4200 3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.exe 2104 powershell.exe 2104 powershell.exe 3060 powershell.exe 3060 powershell.exe 5072 powershell.exe 5072 powershell.exe 3220 powershell.exe 3220 powershell.exe 2980 powershell.exe 2980 powershell.exe 3856 injector.exe 3856 injector.exe 3856 injector.exe 3856 injector.exe 3856 injector.exe 3856 injector.exe 3036 csrss.exe 3036 csrss.exe 3856 injector.exe 3856 injector.exe 3856 injector.exe 3856 injector.exe 3856 injector.exe 3856 injector.exe 3036 csrss.exe 3036 csrss.exe 3856 injector.exe 3856 injector.exe 3036 csrss.exe 3036 csrss.exe 3856 injector.exe 3856 injector.exe 3856 injector.exe 3856 injector.exe 3856 injector.exe 3856 injector.exe 3856 injector.exe 3856 injector.exe 3856 injector.exe 3856 injector.exe 3856 injector.exe 3856 injector.exe 3856 injector.exe 3856 injector.exe 3856 injector.exe 3856 injector.exe 3856 injector.exe 3856 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4088 powershell.exe Token: SeDebugPrivilege 4816 3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.exe Token: SeImpersonatePrivilege 4816 3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.exe Token: SeDebugPrivilege 2056 powershell.exe Token: SeDebugPrivilege 2104 powershell.exe Token: SeDebugPrivilege 3060 powershell.exe Token: SeDebugPrivilege 5072 powershell.exe Token: SeDebugPrivilege 3220 powershell.exe Token: SeDebugPrivilege 2980 powershell.exe Token: SeSystemEnvironmentPrivilege 3036 csrss.exe Token: SeSecurityPrivilege 3520 sc.exe Token: SeSecurityPrivilege 3520 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4816 wrote to memory of 4088 4816 3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.exe 89 PID 4816 wrote to memory of 4088 4816 3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.exe 89 PID 4816 wrote to memory of 4088 4816 3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.exe 89 PID 4200 wrote to memory of 2056 4200 3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.exe 94 PID 4200 wrote to memory of 2056 4200 3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.exe 94 PID 4200 wrote to memory of 2056 4200 3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.exe 94 PID 4200 wrote to memory of 2008 4200 3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.exe 97 PID 4200 wrote to memory of 2008 4200 3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.exe 97 PID 2008 wrote to memory of 436 2008 cmd.exe 99 PID 2008 wrote to memory of 436 2008 cmd.exe 99 PID 4200 wrote to memory of 2104 4200 3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.exe 100 PID 4200 wrote to memory of 2104 4200 3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.exe 100 PID 4200 wrote to memory of 2104 4200 3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.exe 100 PID 4200 wrote to memory of 3060 4200 3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.exe 102 PID 4200 wrote to memory of 3060 4200 3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.exe 102 PID 4200 wrote to memory of 3060 4200 3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.exe 102 PID 4200 wrote to memory of 3036 4200 3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.exe 105 PID 4200 wrote to memory of 3036 4200 3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.exe 105 PID 4200 wrote to memory of 3036 4200 3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.exe 105 PID 3036 wrote to memory of 5072 3036 csrss.exe 106 PID 3036 wrote to memory of 5072 3036 csrss.exe 106 PID 3036 wrote to memory of 5072 3036 csrss.exe 106 PID 3036 wrote to memory of 3220 3036 csrss.exe 112 PID 3036 wrote to memory of 3220 3036 csrss.exe 112 PID 3036 wrote to memory of 3220 3036 csrss.exe 112 PID 3036 wrote to memory of 2980 3036 csrss.exe 114 PID 3036 wrote to memory of 2980 3036 csrss.exe 114 PID 3036 wrote to memory of 2980 3036 csrss.exe 114 PID 3036 wrote to memory of 3856 3036 csrss.exe 116 PID 3036 wrote to memory of 3856 3036 csrss.exe 116 PID 3080 wrote to memory of 4960 3080 windefender.exe 122 PID 3080 wrote to memory of 4960 3080 windefender.exe 122 PID 3080 wrote to memory of 4960 3080 windefender.exe 122 PID 4960 wrote to memory of 3520 4960 cmd.exe 123 PID 4960 wrote to memory of 3520 4960 cmd.exe 123 PID 4960 wrote to memory of 3520 4960 cmd.exe 123 -
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\3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.exe"C:\Users\Admin\AppData\Local\Temp\3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4816 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4088
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C:\Users\Admin\AppData\Local\Temp\3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.exe"C:\Users\Admin\AppData\Local\Temp\3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.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:4200 -
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:2056
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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:2008 -
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:436
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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:2104
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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:3060
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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:3036 -
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:5072
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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:3852
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3200
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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:3220
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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:2980
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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:3856
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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:1080
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3080 -
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:4960 -
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:3520
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4208
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b2b40f0f887f1cc41636dd424c2d1a58
SHA1d8458d5381f05fe55fd55bbf18dffbb9ef8d356a
SHA2564dc8a9e6542af2347c8bad62947c5c787203750e19758fae405a7e0b8792fc9e
SHA51256778533859b4aa3cb7b1af1aa16ad0046610ac99016262b5ae553afc835e89070f6ec17cb8d383772cb42a23e05a79b002e11f2bd6e7a2bd0540a9671075ece
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5bd84e3ce93d78ab117383a901006156f
SHA1a0fcd2742b4018bb06677cd5fd01ba6b6821c336
SHA256349526f21ad458f79f9a17b2a25e83359703d41570cb5f9d5aeb85379f63f081
SHA5129a48b558654676fcd601c53e586ca95a4be981e07053f524164bade9167b38703f9fd97efa5bb2549f3b1b8fbebd67ba9eedb54ae2884a0b67604a578ebf3128
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD515b343923f609955721e1aa423b50788
SHA12e473005cbcabb6bf93a9912dd4a4bb6044e125c
SHA256377a5eb50c34cbd93cddcad3ad4b21cfa90f0d110215260534b48706177fcb74
SHA512ed18912805245dc2a0cae9ab47049a2ed475303737335594f84487d4956e09a2c3b85fd6aa87a86357f73ff796a5f7c63252a4e9b76891c2b90833c4b2e4b6ef
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5678a89f6db42bfaa82b04420d501b5fd
SHA19c4f323b246c7cdc28227d7bcc5242f69f9179e8
SHA256ccd223eb17217abf441c24138cde59a0b7af2f5bddbc24a9398c0e97b22e29ab
SHA512a64310f3e452d27e6c5f512d139b2392c016827d885987a8a4f5c67cf2c76d4e78de1a5ac49b5ecccca40a27be53753b6e93b36466b06f82de8a0a43713dc50a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54555c9a730e687fa52d1f50293618fe9
SHA113c01c9cc4c5898404cf2084c8252ed009727fbb
SHA256947bd37597c4303ed536628cc4d7822ecb2ce411d2b8b9eab8008641c5c57270
SHA51260048b82678563d51066edc681e2cc3fb79b39409ca64275d7595402f1f8e3bd6ed1a5540ef55f7782d897010502d481cf26e417adcfa677234144ac63904bfe
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Filesize
4.1MB
MD56f4d183e5d1aab790f02bc0295e3d43e
SHA11326ffb83de86687ef30cd8db10c5598be84bee2
SHA2563390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5
SHA512ac935aa0489b23892a7653547888428c583ed116223c3c2cb207a8e30f5f3f0fc671fd58cc8addc5056ccfe41ab7afcd12f1f5def809f3025c4b9c36913e5f20
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec