Analysis
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max time kernel
300s -
max time network
305s -
platform
windows10-1703_x64 -
resource
win10-20240404-en -
resource tags
arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system -
submitted
09/05/2024, 22:33
Static task
static1
Behavioral task
behavioral1
Sample
079be29acbc56bceff89b226b54b492c814208e8c54ca114fa037a657ebeb950.exe
Resource
win7-20240220-en
General
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Target
079be29acbc56bceff89b226b54b492c814208e8c54ca114fa037a657ebeb950.exe
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Size
4.1MB
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MD5
460066dc2560fc8d1d2a6f346b2bfaf4
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SHA1
e85247227dcb93838a77e8bc45cd43014c729f5a
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SHA256
079be29acbc56bceff89b226b54b492c814208e8c54ca114fa037a657ebeb950
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SHA512
6a26616740a2850c851e78e298b1feef704666864d2e41baa7d7989bb9aaa272c78789bae71305730eb9c5ed5b23da454de087073b13f69a37c60bef59b26a9e
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SSDEEP
98304:rl5ee2j2znhpCeVlJmVDYaIu5xiQNaHgrSmrjFbT8XBgooktPLE:54ChpCeVrmVD3IuiQQgJxTWqktPLE
Malware Config
Signatures
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Glupteba payload 32 IoCs
resource yara_rule behavioral2/memory/1900-2-0x0000000003DD0000-0x00000000046BB000-memory.dmp family_glupteba behavioral2/memory/1900-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1900-299-0x0000000000400000-0x0000000001DE5000-memory.dmp family_glupteba behavioral2/memory/1900-300-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1900-301-0x0000000003DD0000-0x00000000046BB000-memory.dmp family_glupteba behavioral2/memory/4236-1023-0x0000000000400000-0x0000000001DE5000-memory.dmp family_glupteba behavioral2/memory/3692-1743-0x0000000000400000-0x0000000001DE5000-memory.dmp family_glupteba behavioral2/memory/3692-1753-0x0000000000400000-0x0000000001DE5000-memory.dmp family_glupteba behavioral2/memory/3692-1755-0x0000000000400000-0x0000000001DE5000-memory.dmp family_glupteba behavioral2/memory/3692-1757-0x0000000000400000-0x0000000001DE5000-memory.dmp family_glupteba behavioral2/memory/3692-1759-0x0000000000400000-0x0000000001DE5000-memory.dmp family_glupteba behavioral2/memory/3692-1761-0x0000000000400000-0x0000000001DE5000-memory.dmp family_glupteba behavioral2/memory/3692-1763-0x0000000000400000-0x0000000001DE5000-memory.dmp family_glupteba behavioral2/memory/3692-1765-0x0000000000400000-0x0000000001DE5000-memory.dmp family_glupteba behavioral2/memory/3692-1767-0x0000000000400000-0x0000000001DE5000-memory.dmp family_glupteba behavioral2/memory/3692-1769-0x0000000000400000-0x0000000001DE5000-memory.dmp family_glupteba behavioral2/memory/3692-1771-0x0000000000400000-0x0000000001DE5000-memory.dmp family_glupteba behavioral2/memory/3692-1773-0x0000000000400000-0x0000000001DE5000-memory.dmp family_glupteba behavioral2/memory/3692-1775-0x0000000000400000-0x0000000001DE5000-memory.dmp family_glupteba behavioral2/memory/3692-1777-0x0000000000400000-0x0000000001DE5000-memory.dmp family_glupteba behavioral2/memory/3692-1779-0x0000000000400000-0x0000000001DE5000-memory.dmp family_glupteba behavioral2/memory/3692-1781-0x0000000000400000-0x0000000001DE5000-memory.dmp family_glupteba behavioral2/memory/3692-1783-0x0000000000400000-0x0000000001DE5000-memory.dmp family_glupteba behavioral2/memory/3692-1785-0x0000000000400000-0x0000000001DE5000-memory.dmp family_glupteba behavioral2/memory/3692-1787-0x0000000000400000-0x0000000001DE5000-memory.dmp family_glupteba behavioral2/memory/3692-1789-0x0000000000400000-0x0000000001DE5000-memory.dmp family_glupteba behavioral2/memory/3692-1791-0x0000000000400000-0x0000000001DE5000-memory.dmp family_glupteba behavioral2/memory/3692-1793-0x0000000000400000-0x0000000001DE5000-memory.dmp family_glupteba behavioral2/memory/3692-1795-0x0000000000400000-0x0000000001DE5000-memory.dmp family_glupteba behavioral2/memory/3692-1797-0x0000000000400000-0x0000000001DE5000-memory.dmp family_glupteba behavioral2/memory/3692-1799-0x0000000000400000-0x0000000001DE5000-memory.dmp family_glupteba behavioral2/memory/3692-1801-0x0000000000400000-0x0000000001DE5000-memory.dmp family_glupteba -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\079be29acbc56bceff89b226b54b492c814208e8c54ca114fa037a657ebeb950.exe = "0" 079be29acbc56bceff89b226b54b492c814208e8c54ca114fa037a657ebeb950.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" 079be29acbc56bceff89b226b54b492c814208e8c54ca114fa037a657ebeb950.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" 079be29acbc56bceff89b226b54b492c814208e8c54ca114fa037a657ebeb950.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" 079be29acbc56bceff89b226b54b492c814208e8c54ca114fa037a657ebeb950.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" 079be29acbc56bceff89b226b54b492c814208e8c54ca114fa037a657ebeb950.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" 079be29acbc56bceff89b226b54b492c814208e8c54ca114fa037a657ebeb950.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" 079be29acbc56bceff89b226b54b492c814208e8c54ca114fa037a657ebeb950.exe -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4728 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3692 csrss.exe 4020 injector.exe 1940 windefender.exe 4444 windefender.exe -
resource yara_rule behavioral2/memory/1940-1748-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/files/0x000800000001ac22-1749.dat upx behavioral2/memory/4444-1751-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1940-1752-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4444-1754-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4444-1758-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\079be29acbc56bceff89b226b54b492c814208e8c54ca114fa037a657ebeb950.exe = "0" 079be29acbc56bceff89b226b54b492c814208e8c54ca114fa037a657ebeb950.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" 079be29acbc56bceff89b226b54b492c814208e8c54ca114fa037a657ebeb950.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" 079be29acbc56bceff89b226b54b492c814208e8c54ca114fa037a657ebeb950.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" 079be29acbc56bceff89b226b54b492c814208e8c54ca114fa037a657ebeb950.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" 079be29acbc56bceff89b226b54b492c814208e8c54ca114fa037a657ebeb950.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" 079be29acbc56bceff89b226b54b492c814208e8c54ca114fa037a657ebeb950.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" 079be29acbc56bceff89b226b54b492c814208e8c54ca114fa037a657ebeb950.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3699363923-1875576828-3287151903-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 079be29acbc56bceff89b226b54b492c814208e8c54ca114fa037a657ebeb950.exe Set value (str) \REGISTRY\USER\S-1-5-21-3699363923-1875576828-3287151903-1000\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 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 -
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 079be29acbc56bceff89b226b54b492c814208e8c54ca114fa037a657ebeb950.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 079be29acbc56bceff89b226b54b492c814208e8c54ca114fa037a657ebeb950.exe File created C:\Windows\rss\csrss.exe 079be29acbc56bceff89b226b54b492c814208e8c54ca114fa037a657ebeb950.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 4368 sc.exe -
pid Process 2800 powershell.exe 4196 powershell.exe 4208 powershell.exe 196 powershell.exe 2880 powershell.exe 5084 powershell.exe 3216 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 4024 schtasks.exe 4480 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,-1822 = "Russia TZ 1 Standard Time" 079be29acbc56bceff89b226b54b492c814208e8c54ca114fa037a657ebeb950.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\LanguageList = 65006e002d0055005300000065006e0000000000 powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-172 = "Central Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time" 079be29acbc56bceff89b226b54b492c814208e8c54ca114fa037a657ebeb950.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time" 079be29acbc56bceff89b226b54b492c814208e8c54ca114fa037a657ebeb950.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-141 = "Canada Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1472 = "Magadan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" 079be29acbc56bceff89b226b54b492c814208e8c54ca114fa037a657ebeb950.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2182 = "Astrakhan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2002 = "Cabo Verde Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1471 = "Magadan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-72 = "Newfoundland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-71 = "Newfoundland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-132 = "US Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" 079be29acbc56bceff89b226b54b492c814208e8c54ca114fa037a657ebeb950.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time" 079be29acbc56bceff89b226b54b492c814208e8c54ca114fa037a657ebeb950.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" 079be29acbc56bceff89b226b54b492c814208e8c54ca114fa037a657ebeb950.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates 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,-681 = "E. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-371 = "Jerusalem Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" 079be29acbc56bceff89b226b54b492c814208e8c54ca114fa037a657ebeb950.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" 079be29acbc56bceff89b226b54b492c814208e8c54ca114fa037a657ebeb950.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\LanguageList = 65006e002d0055005300000065006e0000000000 powershell.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\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,-741 = "New Zealand Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" 079be29acbc56bceff89b226b54b492c814208e8c54ca114fa037a657ebeb950.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time" 079be29acbc56bceff89b226b54b492c814208e8c54ca114fa037a657ebeb950.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" 079be29acbc56bceff89b226b54b492c814208e8c54ca114fa037a657ebeb950.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs 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,-448 = "Azerbaijan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2772 = "Omsk Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2512 = "Lord Howe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time" 079be29acbc56bceff89b226b54b492c814208e8c54ca114fa037a657ebeb950.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time" 079be29acbc56bceff89b226b54b492c814208e8c54ca114fa037a657ebeb950.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time" 079be29acbc56bceff89b226b54b492c814208e8c54ca114fa037a657ebeb950.exe Key created \REGISTRY\USER\.DEFAULT\Software\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\@tzres.dll,-462 = "Afghanistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time" 079be29acbc56bceff89b226b54b492c814208e8c54ca114fa037a657ebeb950.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-772 = "Montevideo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" 079be29acbc56bceff89b226b54b492c814208e8c54ca114fa037a657ebeb950.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\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-11 = "Azores Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-104 = "Central Brazilian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-572 = "China Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 196 powershell.exe 196 powershell.exe 196 powershell.exe 1900 079be29acbc56bceff89b226b54b492c814208e8c54ca114fa037a657ebeb950.exe 1900 079be29acbc56bceff89b226b54b492c814208e8c54ca114fa037a657ebeb950.exe 2880 powershell.exe 2880 powershell.exe 2880 powershell.exe 4236 079be29acbc56bceff89b226b54b492c814208e8c54ca114fa037a657ebeb950.exe 4236 079be29acbc56bceff89b226b54b492c814208e8c54ca114fa037a657ebeb950.exe 4236 079be29acbc56bceff89b226b54b492c814208e8c54ca114fa037a657ebeb950.exe 4236 079be29acbc56bceff89b226b54b492c814208e8c54ca114fa037a657ebeb950.exe 4236 079be29acbc56bceff89b226b54b492c814208e8c54ca114fa037a657ebeb950.exe 4236 079be29acbc56bceff89b226b54b492c814208e8c54ca114fa037a657ebeb950.exe 4236 079be29acbc56bceff89b226b54b492c814208e8c54ca114fa037a657ebeb950.exe 4236 079be29acbc56bceff89b226b54b492c814208e8c54ca114fa037a657ebeb950.exe 4236 079be29acbc56bceff89b226b54b492c814208e8c54ca114fa037a657ebeb950.exe 4236 079be29acbc56bceff89b226b54b492c814208e8c54ca114fa037a657ebeb950.exe 5084 powershell.exe 5084 powershell.exe 5084 powershell.exe 3216 powershell.exe 3216 powershell.exe 3216 powershell.exe 2800 powershell.exe 2800 powershell.exe 2800 powershell.exe 4196 powershell.exe 4196 powershell.exe 4196 powershell.exe 4208 powershell.exe 4208 powershell.exe 4208 powershell.exe 4020 injector.exe 4020 injector.exe 4020 injector.exe 4020 injector.exe 4020 injector.exe 4020 injector.exe 3692 csrss.exe 3692 csrss.exe 4020 injector.exe 4020 injector.exe 4020 injector.exe 4020 injector.exe 4020 injector.exe 4020 injector.exe 3692 csrss.exe 3692 csrss.exe 4020 injector.exe 4020 injector.exe 4020 injector.exe 4020 injector.exe 3692 csrss.exe 3692 csrss.exe 4020 injector.exe 4020 injector.exe 4020 injector.exe 4020 injector.exe 4020 injector.exe 4020 injector.exe 4020 injector.exe 4020 injector.exe 4020 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 196 powershell.exe Token: SeDebugPrivilege 1900 079be29acbc56bceff89b226b54b492c814208e8c54ca114fa037a657ebeb950.exe Token: SeImpersonatePrivilege 1900 079be29acbc56bceff89b226b54b492c814208e8c54ca114fa037a657ebeb950.exe Token: SeDebugPrivilege 2880 powershell.exe Token: SeDebugPrivilege 5084 powershell.exe Token: SeDebugPrivilege 3216 powershell.exe Token: SeDebugPrivilege 2800 powershell.exe Token: SeDebugPrivilege 4196 powershell.exe Token: SeDebugPrivilege 4208 powershell.exe Token: SeSystemEnvironmentPrivilege 3692 csrss.exe Token: SeSecurityPrivilege 4368 sc.exe Token: SeSecurityPrivilege 4368 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1900 wrote to memory of 196 1900 079be29acbc56bceff89b226b54b492c814208e8c54ca114fa037a657ebeb950.exe 75 PID 1900 wrote to memory of 196 1900 079be29acbc56bceff89b226b54b492c814208e8c54ca114fa037a657ebeb950.exe 75 PID 1900 wrote to memory of 196 1900 079be29acbc56bceff89b226b54b492c814208e8c54ca114fa037a657ebeb950.exe 75 PID 4236 wrote to memory of 2880 4236 079be29acbc56bceff89b226b54b492c814208e8c54ca114fa037a657ebeb950.exe 80 PID 4236 wrote to memory of 2880 4236 079be29acbc56bceff89b226b54b492c814208e8c54ca114fa037a657ebeb950.exe 80 PID 4236 wrote to memory of 2880 4236 079be29acbc56bceff89b226b54b492c814208e8c54ca114fa037a657ebeb950.exe 80 PID 4236 wrote to memory of 760 4236 079be29acbc56bceff89b226b54b492c814208e8c54ca114fa037a657ebeb950.exe 82 PID 4236 wrote to memory of 760 4236 079be29acbc56bceff89b226b54b492c814208e8c54ca114fa037a657ebeb950.exe 82 PID 760 wrote to memory of 4728 760 cmd.exe 84 PID 760 wrote to memory of 4728 760 cmd.exe 84 PID 4236 wrote to memory of 5084 4236 079be29acbc56bceff89b226b54b492c814208e8c54ca114fa037a657ebeb950.exe 85 PID 4236 wrote to memory of 5084 4236 079be29acbc56bceff89b226b54b492c814208e8c54ca114fa037a657ebeb950.exe 85 PID 4236 wrote to memory of 5084 4236 079be29acbc56bceff89b226b54b492c814208e8c54ca114fa037a657ebeb950.exe 85 PID 4236 wrote to memory of 3216 4236 079be29acbc56bceff89b226b54b492c814208e8c54ca114fa037a657ebeb950.exe 87 PID 4236 wrote to memory of 3216 4236 079be29acbc56bceff89b226b54b492c814208e8c54ca114fa037a657ebeb950.exe 87 PID 4236 wrote to memory of 3216 4236 079be29acbc56bceff89b226b54b492c814208e8c54ca114fa037a657ebeb950.exe 87 PID 4236 wrote to memory of 3692 4236 079be29acbc56bceff89b226b54b492c814208e8c54ca114fa037a657ebeb950.exe 89 PID 4236 wrote to memory of 3692 4236 079be29acbc56bceff89b226b54b492c814208e8c54ca114fa037a657ebeb950.exe 89 PID 4236 wrote to memory of 3692 4236 079be29acbc56bceff89b226b54b492c814208e8c54ca114fa037a657ebeb950.exe 89 PID 3692 wrote to memory of 2800 3692 csrss.exe 90 PID 3692 wrote to memory of 2800 3692 csrss.exe 90 PID 3692 wrote to memory of 2800 3692 csrss.exe 90 PID 3692 wrote to memory of 4196 3692 csrss.exe 97 PID 3692 wrote to memory of 4196 3692 csrss.exe 97 PID 3692 wrote to memory of 4196 3692 csrss.exe 97 PID 3692 wrote to memory of 4208 3692 csrss.exe 99 PID 3692 wrote to memory of 4208 3692 csrss.exe 99 PID 3692 wrote to memory of 4208 3692 csrss.exe 99 PID 3692 wrote to memory of 4020 3692 csrss.exe 101 PID 3692 wrote to memory of 4020 3692 csrss.exe 101 PID 1940 wrote to memory of 4192 1940 windefender.exe 108 PID 1940 wrote to memory of 4192 1940 windefender.exe 108 PID 1940 wrote to memory of 4192 1940 windefender.exe 108 PID 4192 wrote to memory of 4368 4192 cmd.exe 109 PID 4192 wrote to memory of 4368 4192 cmd.exe 109 PID 4192 wrote to memory of 4368 4192 cmd.exe 109 -
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\079be29acbc56bceff89b226b54b492c814208e8c54ca114fa037a657ebeb950.exe"C:\Users\Admin\AppData\Local\Temp\079be29acbc56bceff89b226b54b492c814208e8c54ca114fa037a657ebeb950.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1900 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:196
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C:\Users\Admin\AppData\Local\Temp\079be29acbc56bceff89b226b54b492c814208e8c54ca114fa037a657ebeb950.exe"C:\Users\Admin\AppData\Local\Temp\079be29acbc56bceff89b226b54b492c814208e8c54ca114fa037a657ebeb950.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:4236 -
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:2880
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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:760 -
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:4728
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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:5084
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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:3216
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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:3692 -
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:2800
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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:4480
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3572
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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:4196
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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:4208
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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:4020
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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:4024
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1940 -
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:4192 -
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:4368
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4444
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
1B
MD5c4ca4238a0b923820dcc509a6f75849b
SHA1356a192b7913b04c54574d18c28d46e6395428ab
SHA2566b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b
SHA5124dff4ea340f0a823f15d3f4f01ab62eae0e5da579ccb851f8db9dfe84c58b2b37b89903a740e1ee172da793a6e79d560e5f7f9bd058a12a280433ed6fa46510a
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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
MD5db01a2c1c7e70b2b038edf8ad5ad9826
SHA1540217c647a73bad8d8a79e3a0f3998b5abd199b
SHA256413da361d77055dae7007f82b58b366c8783aa72e0b8fbe41519b940c253b38d
SHA512c76ff57fcee5cdf9fdf3116d4e1dc0cf106867bf19ab474b763e242acf5dca9a7509cb837c35e130c3e056636b4e8a4e135512a978bcd3dd641e20f5bf76c3d6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD54fc9ba88a69ac5fc6c412ff6bbf9ddd7
SHA134912316457f97b88b49433370c76ac8e197610c
SHA256635a34e7ae22916d0b061b9d1ee129a0efd92a298cd3051efd1e3a1e74dbb58c
SHA512f4c8ab234ddf72da36f20a136423e962c00a78de0c4c43ed8f0776cb71a1f903039c4d5e773cf38588899710c43f35912bac8d863a71dec39a5aee40e8e00df2
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5dbad605791381d1a28b6b4d6315aa302
SHA18f7515f6ecfedd37bdfad6bba4362ccf36161361
SHA256d3b9b63e55163c9df849d664e3b352683abbb67f07ec3b3a037daa1b8cd0bff4
SHA5120bf2c70b5e0a12299757cb0c9971fc172f5872acaca1dcba94e6194cc86337988894afe75c22e09fd42e969884c117f83103417714885277e6241ec05224b8e0
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD50fe5c7dab661dfa3550a3a9c29739090
SHA1f5661c873087c984590073bf66ddf14a24e005b4
SHA256db5fc05385e0366275f3a3c8916681cef1c6810b9d614b2da89b0a9d778610c3
SHA5121307f7a35016278c5c0f4e018cd69a0f21248f5d2ea07cc02116ef0aba3b9e45e4881df3d655997cc04cddef84cf8f826c01677088f00ff343ead1507b53f923
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD52680e8556fdee78c39cd337b90d8e70f
SHA12cb69cae255a2141c335f36fa7923a176957d886
SHA256dd2fc70fa16ae1a829c4e5e947210dbecde30fb60047539b3abaa4dfe7d149e4
SHA5129cb8f940fec3397853e04967ba22b9d2b8edccf737c819001623b2a1dd482954d0857c35229c0c52a37c05ca5ab2a8b0aabc097cb64e9f08d36c431b998609f0
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5a9d00268c59fd705df9c345f2490c165
SHA1c1e08be16e14249bac55128eeb989abe16fdcf6a
SHA25641b74856ddb5af083b29147b9e7b65a9d20e751f031d995fdd355ceb335644fe
SHA512ee659a7068f5d8a6c44326ddfc57812d70046690cb5b4536d44644a785225812b42f0e1f37afe13ece7a145301973c7600b79bff8bc2422bd79de71fcc36a537
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Filesize
4.1MB
MD5460066dc2560fc8d1d2a6f346b2bfaf4
SHA1e85247227dcb93838a77e8bc45cd43014c729f5a
SHA256079be29acbc56bceff89b226b54b492c814208e8c54ca114fa037a657ebeb950
SHA5126a26616740a2850c851e78e298b1feef704666864d2e41baa7d7989bb9aaa272c78789bae71305730eb9c5ed5b23da454de087073b13f69a37c60bef59b26a9e
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec