Analysis
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max time kernel
141s -
max time network
142s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
09/10/2023, 09:53
Static task
static1
General
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Target
1e28440faf68efcbfe2effd1482481421ebca4a7c08523b6153ab3c2e74dfe76.exe
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Size
4.1MB
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MD5
9e3f80bb80d18df7dfc3ad7534f3f1cc
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SHA1
e538df51690cbfbcd458eda381b0fb1a38d6656b
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SHA256
1e28440faf68efcbfe2effd1482481421ebca4a7c08523b6153ab3c2e74dfe76
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SHA512
d32fa7124bcd60f71e79bbadb1d5d9954049bd20ba705cec0e7ba272bd7ffe9ee67ce339ec22640f02a058d4eee5bcfce9ef0f9c3b98f3fc7e6ad3b5b94bd828
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SSDEEP
98304:YsamFGzqWxgMUFs5zqiJLLJL0cgsmIyDFxmCunoDxA2:DVkd3f7gsmIZnoDv
Malware Config
Signatures
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Glupteba payload 17 IoCs
resource yara_rule behavioral1/memory/552-2-0x00000000052A0000-0x0000000005B8B000-memory.dmp family_glupteba behavioral1/memory/552-3-0x0000000000400000-0x0000000002FAF000-memory.dmp family_glupteba behavioral1/memory/552-4-0x0000000000400000-0x0000000002FAF000-memory.dmp family_glupteba behavioral1/memory/552-26-0x00000000052A0000-0x0000000005B8B000-memory.dmp family_glupteba behavioral1/memory/552-50-0x0000000000400000-0x0000000002FAF000-memory.dmp family_glupteba behavioral1/memory/552-62-0x0000000000400000-0x0000000002FAF000-memory.dmp family_glupteba behavioral1/memory/2428-64-0x0000000000400000-0x0000000002FAF000-memory.dmp family_glupteba behavioral1/memory/2428-77-0x0000000000400000-0x0000000002FAF000-memory.dmp family_glupteba behavioral1/memory/2428-99-0x0000000000400000-0x0000000002FAF000-memory.dmp family_glupteba behavioral1/memory/2428-130-0x0000000000400000-0x0000000002FAF000-memory.dmp family_glupteba behavioral1/memory/2428-161-0x0000000000400000-0x0000000002FAF000-memory.dmp family_glupteba behavioral1/memory/4488-256-0x0000000000400000-0x0000000002FAF000-memory.dmp family_glupteba behavioral1/memory/4488-271-0x0000000000400000-0x0000000002FAF000-memory.dmp family_glupteba behavioral1/memory/4488-273-0x0000000000400000-0x0000000002FAF000-memory.dmp family_glupteba behavioral1/memory/4488-277-0x0000000000400000-0x0000000002FAF000-memory.dmp family_glupteba behavioral1/memory/4488-279-0x0000000000400000-0x0000000002FAF000-memory.dmp family_glupteba behavioral1/memory/4488-290-0x0000000000400000-0x0000000002FAF000-memory.dmp family_glupteba -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 3224 netsh.exe -
Executes dropped EXE 5 IoCs
pid Process 4488 csrss.exe 4820 injector.exe 1908 windefender.exe 1880 windefender.exe 4112 f801950a962ddba14caaa44bf084b55c.exe -
resource yara_rule behavioral1/files/0x000d0000000230ff-264.dat upx behavioral1/files/0x000d0000000230ff-266.dat upx behavioral1/files/0x000d0000000230ff-267.dat upx behavioral1/memory/1908-269-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1880-274-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1880-280-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/files/0x000b000000023123-285.dat upx behavioral1/files/0x000b000000023123-287.dat upx behavioral1/memory/1880-289-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4112-296-0x0000000000400000-0x0000000000C25000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 1e28440faf68efcbfe2effd1482481421ebca4a7c08523b6153ab3c2e74dfe76.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 1e28440faf68efcbfe2effd1482481421ebca4a7c08523b6153ab3c2e74dfe76.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 1e28440faf68efcbfe2effd1482481421ebca4a7c08523b6153ab3c2e74dfe76.exe File created C:\Windows\rss\csrss.exe 1e28440faf68efcbfe2effd1482481421ebca4a7c08523b6153ab3c2e74dfe76.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 2628 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 1876 schtasks.exe 4684 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time" 1e28440faf68efcbfe2effd1482481421ebca4a7c08523b6153ab3c2e74dfe76.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time" 1e28440faf68efcbfe2effd1482481421ebca4a7c08523b6153ab3c2e74dfe76.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" 1e28440faf68efcbfe2effd1482481421ebca4a7c08523b6153ab3c2e74dfe76.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-92 = "Pacific SA Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time" 1e28440faf68efcbfe2effd1482481421ebca4a7c08523b6153ab3c2e74dfe76.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-652 = "AUS Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1661 = "Bahia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-351 = "FLE Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-561 = "SE Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" 1e28440faf68efcbfe2effd1482481421ebca4a7c08523b6153ab3c2e74dfe76.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time" 1e28440faf68efcbfe2effd1482481421ebca4a7c08523b6153ab3c2e74dfe76.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates 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\1e\52C64B7E\@tzres.dll,-335 = "Jordan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1722 = "Libya Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-202 = "US Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" 1e28440faf68efcbfe2effd1482481421ebca4a7c08523b6153ab3c2e74dfe76.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-448 = "Azerbaijan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-31 = "Mid-Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time" 1e28440faf68efcbfe2effd1482481421ebca4a7c08523b6153ab3c2e74dfe76.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-3051 = "Qyzylorda Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2321 = "Sakhalin Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time" 1e28440faf68efcbfe2effd1482481421ebca4a7c08523b6153ab3c2e74dfe76.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs 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\1e\52C64B7E\@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2572 = "Turks and Caicos Standard Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time" 1e28440faf68efcbfe2effd1482481421ebca4a7c08523b6153ab3c2e74dfe76.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" 1e28440faf68efcbfe2effd1482481421ebca4a7c08523b6153ab3c2e74dfe76.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time" 1e28440faf68efcbfe2effd1482481421ebca4a7c08523b6153ab3c2e74dfe76.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time" 1e28440faf68efcbfe2effd1482481421ebca4a7c08523b6153ab3c2e74dfe76.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-961 = "Paraguay Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-242 = "Samoa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" 1e28440faf68efcbfe2effd1482481421ebca4a7c08523b6153ab3c2e74dfe76.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time" 1e28440faf68efcbfe2effd1482481421ebca4a7c08523b6153ab3c2e74dfe76.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-112 = "Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time" 1e28440faf68efcbfe2effd1482481421ebca4a7c08523b6153ab3c2e74dfe76.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time" 1e28440faf68efcbfe2effd1482481421ebca4a7c08523b6153ab3c2e74dfe76.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-334 = "Jordan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" 1e28440faf68efcbfe2effd1482481421ebca4a7c08523b6153ab3c2e74dfe76.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1892 = "Russia TZ 3 Standard Time" 1e28440faf68efcbfe2effd1482481421ebca4a7c08523b6153ab3c2e74dfe76.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-435 = "Georgian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-365 = "Middle East Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1411 = "Syria Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-981 = "Kamchatka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time" 1e28440faf68efcbfe2effd1482481421ebca4a7c08523b6153ab3c2e74dfe76.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)" 1e28440faf68efcbfe2effd1482481421ebca4a7c08523b6153ab3c2e74dfe76.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time" 1e28440faf68efcbfe2effd1482481421ebca4a7c08523b6153ab3c2e74dfe76.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1064 powershell.exe 1064 powershell.exe 552 1e28440faf68efcbfe2effd1482481421ebca4a7c08523b6153ab3c2e74dfe76.exe 552 1e28440faf68efcbfe2effd1482481421ebca4a7c08523b6153ab3c2e74dfe76.exe 2364 powershell.exe 2364 powershell.exe 2428 1e28440faf68efcbfe2effd1482481421ebca4a7c08523b6153ab3c2e74dfe76.exe 2428 1e28440faf68efcbfe2effd1482481421ebca4a7c08523b6153ab3c2e74dfe76.exe 2428 1e28440faf68efcbfe2effd1482481421ebca4a7c08523b6153ab3c2e74dfe76.exe 2428 1e28440faf68efcbfe2effd1482481421ebca4a7c08523b6153ab3c2e74dfe76.exe 2428 1e28440faf68efcbfe2effd1482481421ebca4a7c08523b6153ab3c2e74dfe76.exe 2428 1e28440faf68efcbfe2effd1482481421ebca4a7c08523b6153ab3c2e74dfe76.exe 2428 1e28440faf68efcbfe2effd1482481421ebca4a7c08523b6153ab3c2e74dfe76.exe 2428 1e28440faf68efcbfe2effd1482481421ebca4a7c08523b6153ab3c2e74dfe76.exe 2428 1e28440faf68efcbfe2effd1482481421ebca4a7c08523b6153ab3c2e74dfe76.exe 2428 1e28440faf68efcbfe2effd1482481421ebca4a7c08523b6153ab3c2e74dfe76.exe 804 powershell.exe 804 powershell.exe 804 powershell.exe 3816 powershell.exe 3816 powershell.exe 3816 powershell.exe 4944 powershell.exe 4944 powershell.exe 2728 powershell.exe 2728 powershell.exe 1824 powershell.exe 1824 powershell.exe 4820 injector.exe 4820 injector.exe 4820 injector.exe 4820 injector.exe 4820 injector.exe 4820 injector.exe 4488 csrss.exe 4488 csrss.exe 4820 injector.exe 4820 injector.exe 4820 injector.exe 4820 injector.exe 4820 injector.exe 4820 injector.exe 4488 csrss.exe 4488 csrss.exe 4820 injector.exe 4820 injector.exe 4488 csrss.exe 4488 csrss.exe 4820 injector.exe 4820 injector.exe 4820 injector.exe 4820 injector.exe 4820 injector.exe 4820 injector.exe 4820 injector.exe 4820 injector.exe 4820 injector.exe 4820 injector.exe 4820 injector.exe 4820 injector.exe 4820 injector.exe 4820 injector.exe 4820 injector.exe 4820 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1064 powershell.exe Token: SeDebugPrivilege 552 1e28440faf68efcbfe2effd1482481421ebca4a7c08523b6153ab3c2e74dfe76.exe Token: SeImpersonatePrivilege 552 1e28440faf68efcbfe2effd1482481421ebca4a7c08523b6153ab3c2e74dfe76.exe Token: SeDebugPrivilege 2364 powershell.exe Token: SeDebugPrivilege 804 powershell.exe Token: SeDebugPrivilege 3816 powershell.exe Token: SeDebugPrivilege 4944 powershell.exe Token: SeDebugPrivilege 2728 powershell.exe Token: SeDebugPrivilege 1824 powershell.exe Token: SeSystemEnvironmentPrivilege 4488 csrss.exe Token: SeSecurityPrivilege 2628 sc.exe Token: SeSecurityPrivilege 2628 sc.exe -
Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 552 wrote to memory of 1064 552 1e28440faf68efcbfe2effd1482481421ebca4a7c08523b6153ab3c2e74dfe76.exe 92 PID 552 wrote to memory of 1064 552 1e28440faf68efcbfe2effd1482481421ebca4a7c08523b6153ab3c2e74dfe76.exe 92 PID 552 wrote to memory of 1064 552 1e28440faf68efcbfe2effd1482481421ebca4a7c08523b6153ab3c2e74dfe76.exe 92 PID 2428 wrote to memory of 2364 2428 1e28440faf68efcbfe2effd1482481421ebca4a7c08523b6153ab3c2e74dfe76.exe 100 PID 2428 wrote to memory of 2364 2428 1e28440faf68efcbfe2effd1482481421ebca4a7c08523b6153ab3c2e74dfe76.exe 100 PID 2428 wrote to memory of 2364 2428 1e28440faf68efcbfe2effd1482481421ebca4a7c08523b6153ab3c2e74dfe76.exe 100 PID 2428 wrote to memory of 3736 2428 1e28440faf68efcbfe2effd1482481421ebca4a7c08523b6153ab3c2e74dfe76.exe 105 PID 2428 wrote to memory of 3736 2428 1e28440faf68efcbfe2effd1482481421ebca4a7c08523b6153ab3c2e74dfe76.exe 105 PID 3736 wrote to memory of 3224 3736 cmd.exe 106 PID 3736 wrote to memory of 3224 3736 cmd.exe 106 PID 2428 wrote to memory of 804 2428 1e28440faf68efcbfe2effd1482481421ebca4a7c08523b6153ab3c2e74dfe76.exe 108 PID 2428 wrote to memory of 804 2428 1e28440faf68efcbfe2effd1482481421ebca4a7c08523b6153ab3c2e74dfe76.exe 108 PID 2428 wrote to memory of 804 2428 1e28440faf68efcbfe2effd1482481421ebca4a7c08523b6153ab3c2e74dfe76.exe 108 PID 2428 wrote to memory of 3816 2428 1e28440faf68efcbfe2effd1482481421ebca4a7c08523b6153ab3c2e74dfe76.exe 109 PID 2428 wrote to memory of 3816 2428 1e28440faf68efcbfe2effd1482481421ebca4a7c08523b6153ab3c2e74dfe76.exe 109 PID 2428 wrote to memory of 3816 2428 1e28440faf68efcbfe2effd1482481421ebca4a7c08523b6153ab3c2e74dfe76.exe 109 PID 2428 wrote to memory of 4488 2428 1e28440faf68efcbfe2effd1482481421ebca4a7c08523b6153ab3c2e74dfe76.exe 112 PID 2428 wrote to memory of 4488 2428 1e28440faf68efcbfe2effd1482481421ebca4a7c08523b6153ab3c2e74dfe76.exe 112 PID 2428 wrote to memory of 4488 2428 1e28440faf68efcbfe2effd1482481421ebca4a7c08523b6153ab3c2e74dfe76.exe 112 PID 4488 wrote to memory of 4944 4488 csrss.exe 115 PID 4488 wrote to memory of 4944 4488 csrss.exe 115 PID 4488 wrote to memory of 4944 4488 csrss.exe 115 PID 4488 wrote to memory of 2728 4488 csrss.exe 122 PID 4488 wrote to memory of 2728 4488 csrss.exe 122 PID 4488 wrote to memory of 2728 4488 csrss.exe 122 PID 4488 wrote to memory of 1824 4488 csrss.exe 124 PID 4488 wrote to memory of 1824 4488 csrss.exe 124 PID 4488 wrote to memory of 1824 4488 csrss.exe 124 PID 4488 wrote to memory of 4820 4488 csrss.exe 127 PID 4488 wrote to memory of 4820 4488 csrss.exe 127 PID 1908 wrote to memory of 1648 1908 windefender.exe 133 PID 1908 wrote to memory of 1648 1908 windefender.exe 133 PID 1908 wrote to memory of 1648 1908 windefender.exe 133 PID 1648 wrote to memory of 2628 1648 cmd.exe 134 PID 1648 wrote to memory of 2628 1648 cmd.exe 134 PID 1648 wrote to memory of 2628 1648 cmd.exe 134 PID 4488 wrote to memory of 4112 4488 csrss.exe 137 PID 4488 wrote to memory of 4112 4488 csrss.exe 137 PID 4488 wrote to memory of 4112 4488 csrss.exe 137 -
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\1e28440faf68efcbfe2effd1482481421ebca4a7c08523b6153ab3c2e74dfe76.exe"C:\Users\Admin\AppData\Local\Temp\1e28440faf68efcbfe2effd1482481421ebca4a7c08523b6153ab3c2e74dfe76.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:552 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1064
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C:\Users\Admin\AppData\Local\Temp\1e28440faf68efcbfe2effd1482481421ebca4a7c08523b6153ab3c2e74dfe76.exe"C:\Users\Admin\AppData\Local\Temp\1e28440faf68efcbfe2effd1482481421ebca4a7c08523b6153ab3c2e74dfe76.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:2428 -
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:2364
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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:3736 -
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:3224
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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:804
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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:3816
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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:4488 -
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:4944
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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:1876
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3992
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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:2728
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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:1824
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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:4820
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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:4684
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1908 -
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:1648 -
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:2628
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C:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exeC:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exe4⤵
- Executes dropped EXE
PID:4112 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn "csrss" /f5⤵PID:4932
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn "ScheduledUpdate" /f5⤵PID:1064
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1880
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
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
3.2MB
MD5f801950a962ddba14caaa44bf084b55c
SHA17cadc9076121297428442785536ba0df2d4ae996
SHA256c3946ec89e15b24b743c46f9acacb58cff47da63f3ce2799d71ed90496b8891f
SHA5124183bc76bdc84fb779e2e573d9a63d7de47096b63b945f9e335bee95ae28eb208f5ee15f6501ac59623b97c5b77f3455ca313512e7d9803e1704ae22a52459c5
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Filesize
3.2MB
MD5f801950a962ddba14caaa44bf084b55c
SHA17cadc9076121297428442785536ba0df2d4ae996
SHA256c3946ec89e15b24b743c46f9acacb58cff47da63f3ce2799d71ed90496b8891f
SHA5124183bc76bdc84fb779e2e573d9a63d7de47096b63b945f9e335bee95ae28eb208f5ee15f6501ac59623b97c5b77f3455ca313512e7d9803e1704ae22a52459c5
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Filesize
99KB
MD509031a062610d77d685c9934318b4170
SHA1880f744184e7774f3d14c1bb857e21cc7fe89a6d
SHA256778bd69af403df3c4e074c31b3850d71bf0e64524bea4272a802ca9520b379dd
SHA5129a276e1f0f55d35f2bf38eb093464f7065bdd30a660e6d1c62eed5e76d1fb2201567b89d9ae65d2d89dc99b142159e36fb73be8d5e08252a975d50544a7cda27
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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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
MD53bbc8179716399c1679785ad30a9016e
SHA191f9f608fe9b4dcdefaf4d2d5d567dbfa508f50f
SHA256c8c60783cbfa0a9609d65b8dfe61608436352332a32b9e3611c42dc76c6994f6
SHA512bc3ff8f910aeb484a9053a7cdf336ea8d1e507be20fe7398b27ab9519069ecbf0e4474be4c027d3e2c04ab2b8ca96d394a1215bd6a21a993e409cea9e01c2f7c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59e15e761b23b95fb32aef625537fdfab
SHA17ebd49b53a280cb1498d706774601593470990a7
SHA25692f0bcc4aa5ea56bb43b92820e13dc84e73ca55b9ceaff2435c3e43ded2db43a
SHA5124813225b27a223567f028311b02a5b20020411dd9414ebce5f6c1c0ecc632b754c8ef92cb71ac8e53149833117208bbe5d4aab4970e5c8e4b0b218f3d19fac0b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5549f6c780c4a26dea32c9330bc4c72e3
SHA189feed0af1831b099f5e5f92cff5e876d4596edb
SHA2560253fe0be500f4ca30f86ed7534fc7e61782f4c96959a3a5bdf93409de6d6d89
SHA51252a2174cfd254d09e0822ec583de048849de96eead60ad01831bf967ed2f2a2d65cf5235d89f897b4308386074669d29f09ab1ba96719854fd443b5982052112
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5837534d2d28443f4120ef4782e19ba51
SHA156d1c56ee2c9c57afaedb92038730a73fddd4cfa
SHA25649d996d73b8f95020256325cef906fb702eb57d13358a41e2f8c02e2377171c1
SHA5128cb698c02663c2494a085039e6e1599665fd4b5d973a5f0548ad5182880f31b4d59d935202d7af0b397fbcca6cb20efab01d00a2f7a53ee83d19a1816bc814be
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58d1f7eb654f3b1499fbab68ee7345b35
SHA152b4f2bcba21437ac1bc17e8e56ab0a899303777
SHA256b310c8c0af879387eea3bb27b71024c461d00a494066b945c27af93a2715d063
SHA5120aa9b36def887f351f01a152f7489fc4c36e8d0f2f4a3e364bdd704d1c5948b0b9372d06723bbbca404488eefe6dd2b81a3798f7ad7782608f8a3dd51b5f305b
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Filesize
4.1MB
MD59e3f80bb80d18df7dfc3ad7534f3f1cc
SHA1e538df51690cbfbcd458eda381b0fb1a38d6656b
SHA2561e28440faf68efcbfe2effd1482481421ebca4a7c08523b6153ab3c2e74dfe76
SHA512d32fa7124bcd60f71e79bbadb1d5d9954049bd20ba705cec0e7ba272bd7ffe9ee67ce339ec22640f02a058d4eee5bcfce9ef0f9c3b98f3fc7e6ad3b5b94bd828
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Filesize
4.1MB
MD59e3f80bb80d18df7dfc3ad7534f3f1cc
SHA1e538df51690cbfbcd458eda381b0fb1a38d6656b
SHA2561e28440faf68efcbfe2effd1482481421ebca4a7c08523b6153ab3c2e74dfe76
SHA512d32fa7124bcd60f71e79bbadb1d5d9954049bd20ba705cec0e7ba272bd7ffe9ee67ce339ec22640f02a058d4eee5bcfce9ef0f9c3b98f3fc7e6ad3b5b94bd828
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec