Analysis
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max time kernel
150s -
max time network
127s -
platform
windows10-1703_x64 -
resource
win10-20231020-en -
resource tags
arch:x64arch:x86image:win10-20231020-enlocale:en-usos:windows10-1703-x64system -
submitted
30-10-2023 17:08
Static task
static1
General
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Target
df51715b0c2d91287da62aa1bd0549677e548253e849386c93e3c8d6fbf85fe4.exe
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Size
4.1MB
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MD5
f61dbb65c2521f183d56d9b74258d719
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SHA1
282a3132805fa53cb2b59d952970406bd0f008bd
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SHA256
df51715b0c2d91287da62aa1bd0549677e548253e849386c93e3c8d6fbf85fe4
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SHA512
9dbdfe4fa924eb8c41d01cdb72a5213656ea92e4a628eebc4e489c25b270061b814ddfe008d4ffec226f2fd2a5df544c4192e23830890eb547ae50c9e71d707b
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SSDEEP
98304:SuiFdBOIYSN/ODfRFzGICAHf4ErmcY7mkDVKeODrkd2pqdUhb:09OGBOVJG9K9kEDr2YuUV
Malware Config
Signatures
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Glupteba payload 21 IoCs
resource yara_rule behavioral1/memory/1144-2-0x0000000003060000-0x000000000394B000-memory.dmp family_glupteba behavioral1/memory/1144-3-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1144-83-0x0000000003060000-0x000000000394B000-memory.dmp family_glupteba behavioral1/memory/1144-154-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1144-307-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2560-310-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2560-514-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2560-558-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2560-1052-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3184-1056-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3184-1408-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3184-1803-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3184-1811-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3184-1813-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3184-1815-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3184-1817-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3184-1818-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3184-1821-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3184-1823-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3184-1825-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3184-1827-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\df51715b0c2d91287da62aa1bd0549677e548253e849386c93e3c8d6fbf85fe4.exe = "0" df51715b0c2d91287da62aa1bd0549677e548253e849386c93e3c8d6fbf85fe4.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" df51715b0c2d91287da62aa1bd0549677e548253e849386c93e3c8d6fbf85fe4.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" df51715b0c2d91287da62aa1bd0549677e548253e849386c93e3c8d6fbf85fe4.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" df51715b0c2d91287da62aa1bd0549677e548253e849386c93e3c8d6fbf85fe4.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" df51715b0c2d91287da62aa1bd0549677e548253e849386c93e3c8d6fbf85fe4.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" df51715b0c2d91287da62aa1bd0549677e548253e849386c93e3c8d6fbf85fe4.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" df51715b0c2d91287da62aa1bd0549677e548253e849386c93e3c8d6fbf85fe4.exe -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 4220 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3184 csrss.exe 8 injector.exe 4376 windefender.exe 1008 windefender.exe -
resource yara_rule behavioral1/files/0x000700000001abf5-1806.dat upx behavioral1/files/0x000700000001abf5-1808.dat upx behavioral1/files/0x000700000001abf5-1809.dat upx behavioral1/memory/4376-1810-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1008-1812-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1008-1816-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" df51715b0c2d91287da62aa1bd0549677e548253e849386c93e3c8d6fbf85fe4.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" df51715b0c2d91287da62aa1bd0549677e548253e849386c93e3c8d6fbf85fe4.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" df51715b0c2d91287da62aa1bd0549677e548253e849386c93e3c8d6fbf85fe4.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" df51715b0c2d91287da62aa1bd0549677e548253e849386c93e3c8d6fbf85fe4.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" df51715b0c2d91287da62aa1bd0549677e548253e849386c93e3c8d6fbf85fe4.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" df51715b0c2d91287da62aa1bd0549677e548253e849386c93e3c8d6fbf85fe4.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\df51715b0c2d91287da62aa1bd0549677e548253e849386c93e3c8d6fbf85fe4.exe = "0" df51715b0c2d91287da62aa1bd0549677e548253e849386c93e3c8d6fbf85fe4.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-459651055-4136032345-1270294931-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" df51715b0c2d91287da62aa1bd0549677e548253e849386c93e3c8d6fbf85fe4.exe Set value (str) \REGISTRY\USER\S-1-5-21-459651055-4136032345-1270294931-1000\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 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 -
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 df51715b0c2d91287da62aa1bd0549677e548253e849386c93e3c8d6fbf85fe4.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss df51715b0c2d91287da62aa1bd0549677e548253e849386c93e3c8d6fbf85fe4.exe File created C:\Windows\rss\csrss.exe df51715b0c2d91287da62aa1bd0549677e548253e849386c93e3c8d6fbf85fe4.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 3596 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 3536 schtasks.exe 996 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time" df51715b0c2d91287da62aa1bd0549677e548253e849386c93e3c8d6fbf85fe4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-12 = "Azores Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-511 = "Central Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-215 = "Pacific Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2451 = "Saint Pierre Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time" df51715b0c2d91287da62aa1bd0549677e548253e849386c93e3c8d6fbf85fe4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" df51715b0c2d91287da62aa1bd0549677e548253e849386c93e3c8d6fbf85fe4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time" df51715b0c2d91287da62aa1bd0549677e548253e849386c93e3c8d6fbf85fe4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" df51715b0c2d91287da62aa1bd0549677e548253e849386c93e3c8d6fbf85fe4.exe Key created \REGISTRY\USER\.DEFAULT\System\CurrentControlSet\Control\NetTrace\Session netsh.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-412 = "E. Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time" df51715b0c2d91287da62aa1bd0549677e548253e849386c93e3c8d6fbf85fe4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time" df51715b0c2d91287da62aa1bd0549677e548253e849386c93e3c8d6fbf85fe4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" df51715b0c2d91287da62aa1bd0549677e548253e849386c93e3c8d6fbf85fe4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-751 = "Tonga Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time" df51715b0c2d91287da62aa1bd0549677e548253e849386c93e3c8d6fbf85fe4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time" df51715b0c2d91287da62aa1bd0549677e548253e849386c93e3c8d6fbf85fe4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1892 = "Russia TZ 3 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-242 = "Samoa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-561 = "SE Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1042 = "Ulaanbaatar Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time" df51715b0c2d91287da62aa1bd0549677e548253e849386c93e3c8d6fbf85fe4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-572 = "China Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-335 = "Jordan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time" df51715b0c2d91287da62aa1bd0549677e548253e849386c93e3c8d6fbf85fe4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-692 = "Tasmania Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\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\1a\52C64B7E\@tzres.dll,-401 = "Arabic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-571 = "China Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time" df51715b0c2d91287da62aa1bd0549677e548253e849386c93e3c8d6fbf85fe4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-771 = "Montevideo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time" df51715b0c2d91287da62aa1bd0549677e548253e849386c93e3c8d6fbf85fe4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time" df51715b0c2d91287da62aa1bd0549677e548253e849386c93e3c8d6fbf85fe4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" df51715b0c2d91287da62aa1bd0549677e548253e849386c93e3c8d6fbf85fe4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-41 = "E. South America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-492 = "India Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1872 = "Russia TZ 7 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time" df51715b0c2d91287da62aa1bd0549677e548253e849386c93e3c8d6fbf85fe4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-562 = "SE Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-302 = "Romance Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time" df51715b0c2d91287da62aa1bd0549677e548253e849386c93e3c8d6fbf85fe4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-82 = "Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-281 = "Central Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-262 = "GMT Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time" df51715b0c2d91287da62aa1bd0549677e548253e849386c93e3c8d6fbf85fe4.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1324 powershell.exe 1324 powershell.exe 1324 powershell.exe 1144 df51715b0c2d91287da62aa1bd0549677e548253e849386c93e3c8d6fbf85fe4.exe 1144 df51715b0c2d91287da62aa1bd0549677e548253e849386c93e3c8d6fbf85fe4.exe 4156 powershell.exe 4156 powershell.exe 4156 powershell.exe 2560 df51715b0c2d91287da62aa1bd0549677e548253e849386c93e3c8d6fbf85fe4.exe 2560 df51715b0c2d91287da62aa1bd0549677e548253e849386c93e3c8d6fbf85fe4.exe 2560 df51715b0c2d91287da62aa1bd0549677e548253e849386c93e3c8d6fbf85fe4.exe 2560 df51715b0c2d91287da62aa1bd0549677e548253e849386c93e3c8d6fbf85fe4.exe 2560 df51715b0c2d91287da62aa1bd0549677e548253e849386c93e3c8d6fbf85fe4.exe 2560 df51715b0c2d91287da62aa1bd0549677e548253e849386c93e3c8d6fbf85fe4.exe 2560 df51715b0c2d91287da62aa1bd0549677e548253e849386c93e3c8d6fbf85fe4.exe 2560 df51715b0c2d91287da62aa1bd0549677e548253e849386c93e3c8d6fbf85fe4.exe 2560 df51715b0c2d91287da62aa1bd0549677e548253e849386c93e3c8d6fbf85fe4.exe 2560 df51715b0c2d91287da62aa1bd0549677e548253e849386c93e3c8d6fbf85fe4.exe 3812 powershell.exe 3812 powershell.exe 3812 powershell.exe 4800 powershell.exe 4800 powershell.exe 4800 powershell.exe 3748 powershell.exe 3748 powershell.exe 3748 powershell.exe 4704 powershell.exe 4704 powershell.exe 4704 powershell.exe 4712 powershell.exe 4712 powershell.exe 4712 powershell.exe 8 injector.exe 8 injector.exe 8 injector.exe 8 injector.exe 8 injector.exe 8 injector.exe 3184 csrss.exe 3184 csrss.exe 8 injector.exe 8 injector.exe 8 injector.exe 8 injector.exe 8 injector.exe 8 injector.exe 3184 csrss.exe 3184 csrss.exe 8 injector.exe 8 injector.exe 3184 csrss.exe 3184 csrss.exe 8 injector.exe 8 injector.exe 8 injector.exe 8 injector.exe 8 injector.exe 8 injector.exe 8 injector.exe 8 injector.exe 8 injector.exe 8 injector.exe 8 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1324 powershell.exe Token: SeDebugPrivilege 1144 df51715b0c2d91287da62aa1bd0549677e548253e849386c93e3c8d6fbf85fe4.exe Token: SeImpersonatePrivilege 1144 df51715b0c2d91287da62aa1bd0549677e548253e849386c93e3c8d6fbf85fe4.exe Token: SeDebugPrivilege 4156 powershell.exe Token: SeDebugPrivilege 3812 powershell.exe Token: SeDebugPrivilege 4800 powershell.exe Token: SeDebugPrivilege 3748 powershell.exe Token: SeDebugPrivilege 4704 powershell.exe Token: SeDebugPrivilege 4712 powershell.exe Token: SeSystemEnvironmentPrivilege 3184 csrss.exe Token: SeSecurityPrivilege 3596 sc.exe Token: SeSecurityPrivilege 3596 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1144 wrote to memory of 1324 1144 df51715b0c2d91287da62aa1bd0549677e548253e849386c93e3c8d6fbf85fe4.exe 72 PID 1144 wrote to memory of 1324 1144 df51715b0c2d91287da62aa1bd0549677e548253e849386c93e3c8d6fbf85fe4.exe 72 PID 1144 wrote to memory of 1324 1144 df51715b0c2d91287da62aa1bd0549677e548253e849386c93e3c8d6fbf85fe4.exe 72 PID 2560 wrote to memory of 4156 2560 df51715b0c2d91287da62aa1bd0549677e548253e849386c93e3c8d6fbf85fe4.exe 77 PID 2560 wrote to memory of 4156 2560 df51715b0c2d91287da62aa1bd0549677e548253e849386c93e3c8d6fbf85fe4.exe 77 PID 2560 wrote to memory of 4156 2560 df51715b0c2d91287da62aa1bd0549677e548253e849386c93e3c8d6fbf85fe4.exe 77 PID 2560 wrote to memory of 4760 2560 df51715b0c2d91287da62aa1bd0549677e548253e849386c93e3c8d6fbf85fe4.exe 79 PID 2560 wrote to memory of 4760 2560 df51715b0c2d91287da62aa1bd0549677e548253e849386c93e3c8d6fbf85fe4.exe 79 PID 4760 wrote to memory of 4220 4760 cmd.exe 81 PID 4760 wrote to memory of 4220 4760 cmd.exe 81 PID 2560 wrote to memory of 3812 2560 df51715b0c2d91287da62aa1bd0549677e548253e849386c93e3c8d6fbf85fe4.exe 82 PID 2560 wrote to memory of 3812 2560 df51715b0c2d91287da62aa1bd0549677e548253e849386c93e3c8d6fbf85fe4.exe 82 PID 2560 wrote to memory of 3812 2560 df51715b0c2d91287da62aa1bd0549677e548253e849386c93e3c8d6fbf85fe4.exe 82 PID 2560 wrote to memory of 4800 2560 df51715b0c2d91287da62aa1bd0549677e548253e849386c93e3c8d6fbf85fe4.exe 85 PID 2560 wrote to memory of 4800 2560 df51715b0c2d91287da62aa1bd0549677e548253e849386c93e3c8d6fbf85fe4.exe 85 PID 2560 wrote to memory of 4800 2560 df51715b0c2d91287da62aa1bd0549677e548253e849386c93e3c8d6fbf85fe4.exe 85 PID 2560 wrote to memory of 3184 2560 df51715b0c2d91287da62aa1bd0549677e548253e849386c93e3c8d6fbf85fe4.exe 86 PID 2560 wrote to memory of 3184 2560 df51715b0c2d91287da62aa1bd0549677e548253e849386c93e3c8d6fbf85fe4.exe 86 PID 2560 wrote to memory of 3184 2560 df51715b0c2d91287da62aa1bd0549677e548253e849386c93e3c8d6fbf85fe4.exe 86 PID 3184 wrote to memory of 3748 3184 csrss.exe 87 PID 3184 wrote to memory of 3748 3184 csrss.exe 87 PID 3184 wrote to memory of 3748 3184 csrss.exe 87 PID 3184 wrote to memory of 4704 3184 csrss.exe 94 PID 3184 wrote to memory of 4704 3184 csrss.exe 94 PID 3184 wrote to memory of 4704 3184 csrss.exe 94 PID 3184 wrote to memory of 4712 3184 csrss.exe 96 PID 3184 wrote to memory of 4712 3184 csrss.exe 96 PID 3184 wrote to memory of 4712 3184 csrss.exe 96 PID 3184 wrote to memory of 8 3184 csrss.exe 98 PID 3184 wrote to memory of 8 3184 csrss.exe 98 PID 4376 wrote to memory of 992 4376 windefender.exe 105 PID 4376 wrote to memory of 992 4376 windefender.exe 105 PID 4376 wrote to memory of 992 4376 windefender.exe 105 PID 992 wrote to memory of 3596 992 cmd.exe 106 PID 992 wrote to memory of 3596 992 cmd.exe 106 PID 992 wrote to memory of 3596 992 cmd.exe 106 -
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\df51715b0c2d91287da62aa1bd0549677e548253e849386c93e3c8d6fbf85fe4.exe"C:\Users\Admin\AppData\Local\Temp\df51715b0c2d91287da62aa1bd0549677e548253e849386c93e3c8d6fbf85fe4.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1144 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1324
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C:\Users\Admin\AppData\Local\Temp\df51715b0c2d91287da62aa1bd0549677e548253e849386c93e3c8d6fbf85fe4.exe"C:\Users\Admin\AppData\Local\Temp\df51715b0c2d91287da62aa1bd0549677e548253e849386c93e3c8d6fbf85fe4.exe"2⤵
- Windows security bypass
- Windows security modification
- 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:2560 -
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:4156
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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:4760 -
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
- Modifies data under HKEY_USERS
PID:4220
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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:3812
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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:4800
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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:3184 -
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:3748
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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:3536
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3668
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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:4704
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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:4712
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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:8
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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:996
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4376 -
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:992 -
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:3596
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1008
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
1B
MD5c4ca4238a0b923820dcc509a6f75849b
SHA1356a192b7913b04c54574d18c28d46e6395428ab
SHA2566b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b
SHA5124dff4ea340f0a823f15d3f4f01ab62eae0e5da579ccb851f8db9dfe84c58b2b37b89903a740e1ee172da793a6e79d560e5f7f9bd058a12a280433ed6fa46510a
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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
MD51c19c16e21c97ed42d5beabc93391fc5
SHA18ad83f8e0b3acf8dfbbf87931e41f0d664c4df68
SHA2561bcd97396c83babfe6c5068ba590d7a3f8b70e72955a9d1e4070648e404cbf05
SHA5127d18776d8f649b3d29c182ff03efc6cea8b527542ee55304980f24577aae8b64e37044407776e220984346c3998ace5f8853afa58c8b38407482a728e9495e0c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5b9388a0c29d7e1dc5b5776aaf3832fbf
SHA12cea61ba1b50b675cda9468d2e24bff74b825cef
SHA256d97853b198ec2006facbdaa16e1aac19fbb9c4edbe09018ffbaff996efb4e1a0
SHA512b75c4722b89a2ffd2e270da186f5b6449764b836635bafd25255c04cc7213460336384542998f2a4f6d73feae185f8c1b07830e8de2cb359bbb29d2d5e28f822
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD50a0bf8761f5fa02af6cf66b17f5aaef9
SHA1dc734639b7657a6f0b5a8a8cf83f023c6c3b0db6
SHA256cf54fed84336099d967da81f5a6b2db5704452fb07f7ddc2c07fe9203468ded3
SHA5121c9fd36c37d923162ad1163bfcb644f5e7ee9bf36f17d228ad53ebf5205b649eb9526cc38253d8d2e25380f880fe08464732aca6d319357d9d1f0115bafdf12e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD58d6a0dc3161b1b401462f5aa5885c76d
SHA1ad5239134bb031da681c710e18f8720d3e5b9e4b
SHA256271cb2de199562df265837094ebd028f7de5be1c7594d2b6e6a29815df92863e
SHA512bacd56e88ed0f0e14717df2b45d8b23c40d2b1c9378e7b8dad6193207d1baf6ff878cea33aa56b023227de68295b2ee6258c1cf17d04453e1cb7b95c8029c438
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD563032682245f1d54d63f38da83c86bbc
SHA12c4bd55b6b11e4e751a443a2d0ec03c416a3731e
SHA256fc238996a52821dff04e29862af364d3a26aac904fb73ee3f7aa27c8b155bae5
SHA512cf0f4fc091a14a4e32498ae5e62ff2ee89e410ddfd7dc438cbb8ffee399836e2e6a50dd5d6080907acfe26dea4b01cfcfea8fd1cc3a7c48b5e765ed0accd8dc2
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5805b7b0c5975f91ad9789a78f0a5d8a2
SHA151c6b132dae94b77ccb7b12c557ecc36bba4ab5d
SHA256454849f0fefb9448f43890845edf133c92cd5207cf6b1bdfd949725d76a342c2
SHA512d3daaa8c36ce30cdc7f04498737f4ab826f9ec4d907e974207f2f38af892cb0eada9fa832618554775afaae2019e518a47ec9e4de46e24d83c646d041286c583
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Filesize
4.1MB
MD5f61dbb65c2521f183d56d9b74258d719
SHA1282a3132805fa53cb2b59d952970406bd0f008bd
SHA256df51715b0c2d91287da62aa1bd0549677e548253e849386c93e3c8d6fbf85fe4
SHA5129dbdfe4fa924eb8c41d01cdb72a5213656ea92e4a628eebc4e489c25b270061b814ddfe008d4ffec226f2fd2a5df544c4192e23830890eb547ae50c9e71d707b
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Filesize
4.1MB
MD5f61dbb65c2521f183d56d9b74258d719
SHA1282a3132805fa53cb2b59d952970406bd0f008bd
SHA256df51715b0c2d91287da62aa1bd0549677e548253e849386c93e3c8d6fbf85fe4
SHA5129dbdfe4fa924eb8c41d01cdb72a5213656ea92e4a628eebc4e489c25b270061b814ddfe008d4ffec226f2fd2a5df544c4192e23830890eb547ae50c9e71d707b
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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