Analysis
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max time kernel
150s -
max time network
148s -
platform
windows10-1703_x64 -
resource
win10-20231020-en -
resource tags
arch:x64arch:x86image:win10-20231020-enlocale:en-usos:windows10-1703-x64system -
submitted
03/11/2023, 20:30
Static task
static1
General
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Target
40790c741512722a0a45db61bb1153a55142865ad4829a0498eba1c2637c7c00.exe
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Size
4.1MB
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MD5
d719586593e16675623a58c1a5619ec8
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SHA1
5bb0ff88ba6968c80ca2fa38b3208d4319f3cd06
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SHA256
40790c741512722a0a45db61bb1153a55142865ad4829a0498eba1c2637c7c00
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SHA512
e147f8f80e76c75d52bcda645ab8611e23702a42cd05c530c8cc58d6fe06259f3c10b1a7258eaafdf3ff78690c1fc90601b74303ec28ad79f3b99bbc9af03b64
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SSDEEP
98304:cihWAbYk3XjesXqx9Ls3V+r8KFMheZa+1KJWkQ:coWSTe/Ls3V+r8KShe3IgkQ
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral1/memory/1540-2-0x0000000002D70000-0x000000000365B000-memory.dmp family_glupteba behavioral1/memory/1540-3-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1540-28-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1540-30-0x0000000002D70000-0x000000000365B000-memory.dmp family_glupteba behavioral1/memory/1540-307-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2388-310-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2388-345-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2388-828-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2388-1053-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1400-1057-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1400-1297-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1400-1770-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1400-1805-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1400-1813-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1400-1815-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1400-1817-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1400-1819-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1400-1821-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1400-1823-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1400-1825-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" 40790c741512722a0a45db61bb1153a55142865ad4829a0498eba1c2637c7c00.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" 40790c741512722a0a45db61bb1153a55142865ad4829a0498eba1c2637c7c00.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" 40790c741512722a0a45db61bb1153a55142865ad4829a0498eba1c2637c7c00.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\40790c741512722a0a45db61bb1153a55142865ad4829a0498eba1c2637c7c00.exe = "0" 40790c741512722a0a45db61bb1153a55142865ad4829a0498eba1c2637c7c00.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" 40790c741512722a0a45db61bb1153a55142865ad4829a0498eba1c2637c7c00.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" 40790c741512722a0a45db61bb1153a55142865ad4829a0498eba1c2637c7c00.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" 40790c741512722a0a45db61bb1153a55142865ad4829a0498eba1c2637c7c00.exe -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 2124 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1400 csrss.exe 1156 injector.exe 3068 windefender.exe 1712 windefender.exe -
resource yara_rule behavioral1/files/0x000700000001abc3-1808.dat upx behavioral1/files/0x000700000001abc3-1810.dat upx behavioral1/files/0x000700000001abc3-1811.dat upx behavioral1/memory/3068-1812-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1712-1814-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1712-1818-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" 40790c741512722a0a45db61bb1153a55142865ad4829a0498eba1c2637c7c00.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\40790c741512722a0a45db61bb1153a55142865ad4829a0498eba1c2637c7c00.exe = "0" 40790c741512722a0a45db61bb1153a55142865ad4829a0498eba1c2637c7c00.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" 40790c741512722a0a45db61bb1153a55142865ad4829a0498eba1c2637c7c00.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" 40790c741512722a0a45db61bb1153a55142865ad4829a0498eba1c2637c7c00.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" 40790c741512722a0a45db61bb1153a55142865ad4829a0498eba1c2637c7c00.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" 40790c741512722a0a45db61bb1153a55142865ad4829a0498eba1c2637c7c00.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" 40790c741512722a0a45db61bb1153a55142865ad4829a0498eba1c2637c7c00.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2508097367-364665605-1201309312-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 40790c741512722a0a45db61bb1153a55142865ad4829a0498eba1c2637c7c00.exe Set value (str) \REGISTRY\USER\S-1-5-21-2508097367-364665605-1201309312-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 40790c741512722a0a45db61bb1153a55142865ad4829a0498eba1c2637c7c00.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 40790c741512722a0a45db61bb1153a55142865ad4829a0498eba1c2637c7c00.exe File created C:\Windows\rss\csrss.exe 40790c741512722a0a45db61bb1153a55142865ad4829a0498eba1c2637c7c00.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 4840 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 4624 schtasks.exe 4972 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,-201 = "US Mountain Daylight Time" 40790c741512722a0a45db61bb1153a55142865ad4829a0498eba1c2637c7c00.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.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\@tzres.dll,-962 = "Paraguay Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" 40790c741512722a0a45db61bb1153a55142865ad4829a0498eba1c2637c7c00.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" 40790c741512722a0a45db61bb1153a55142865ad4829a0498eba1c2637c7c00.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-364 = "Middle East Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time" 40790c741512722a0a45db61bb1153a55142865ad4829a0498eba1c2637c7c00.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time" 40790c741512722a0a45db61bb1153a55142865ad4829a0498eba1c2637c7c00.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,-291 = "Central European Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1862 = "Russia TZ 6 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time" 40790c741512722a0a45db61bb1153a55142865ad4829a0498eba1c2637c7c00.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" 40790c741512722a0a45db61bb1153a55142865ad4829a0498eba1c2637c7c00.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-301 = "Romance Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time" 40790c741512722a0a45db61bb1153a55142865ad4829a0498eba1c2637c7c00.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)" 40790c741512722a0a45db61bb1153a55142865ad4829a0498eba1c2637c7c00.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1912 = "Russia TZ 10 Standard Time" 40790c741512722a0a45db61bb1153a55142865ad4829a0498eba1c2637c7c00.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.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\1a\52C64B7E\@tzres.dll,-232 = "Hawaiian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time" 40790c741512722a0a45db61bb1153a55142865ad4829a0498eba1c2637c7c00.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\@tzres.dll,-302 = "Romance Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" 40790c741512722a0a45db61bb1153a55142865ad4829a0498eba1c2637c7c00.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time" 40790c741512722a0a45db61bb1153a55142865ad4829a0498eba1c2637c7c00.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time" 40790c741512722a0a45db61bb1153a55142865ad4829a0498eba1c2637c7c00.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs 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\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time" 40790c741512722a0a45db61bb1153a55142865ad4829a0498eba1c2637c7c00.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time" 40790c741512722a0a45db61bb1153a55142865ad4829a0498eba1c2637c7c00.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" 40790c741512722a0a45db61bb1153a55142865ad4829a0498eba1c2637c7c00.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" 40790c741512722a0a45db61bb1153a55142865ad4829a0498eba1c2637c7c00.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2491 = "Aus Central W. Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time" 40790c741512722a0a45db61bb1153a55142865ad4829a0498eba1c2637c7c00.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time" 40790c741512722a0a45db61bb1153a55142865ad4829a0498eba1c2637c7c00.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" 40790c741512722a0a45db61bb1153a55142865ad4829a0498eba1c2637c7c00.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\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,-2531 = "Chatham Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-252 = "Dateline Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time" 40790c741512722a0a45db61bb1153a55142865ad4829a0498eba1c2637c7c00.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-434 = "Georgian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2511 = "Lord Howe Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2604 powershell.exe 2604 powershell.exe 2604 powershell.exe 1540 40790c741512722a0a45db61bb1153a55142865ad4829a0498eba1c2637c7c00.exe 1540 40790c741512722a0a45db61bb1153a55142865ad4829a0498eba1c2637c7c00.exe 4748 powershell.exe 4748 powershell.exe 4748 powershell.exe 2388 40790c741512722a0a45db61bb1153a55142865ad4829a0498eba1c2637c7c00.exe 2388 40790c741512722a0a45db61bb1153a55142865ad4829a0498eba1c2637c7c00.exe 2388 40790c741512722a0a45db61bb1153a55142865ad4829a0498eba1c2637c7c00.exe 2388 40790c741512722a0a45db61bb1153a55142865ad4829a0498eba1c2637c7c00.exe 2388 40790c741512722a0a45db61bb1153a55142865ad4829a0498eba1c2637c7c00.exe 2388 40790c741512722a0a45db61bb1153a55142865ad4829a0498eba1c2637c7c00.exe 2388 40790c741512722a0a45db61bb1153a55142865ad4829a0498eba1c2637c7c00.exe 2388 40790c741512722a0a45db61bb1153a55142865ad4829a0498eba1c2637c7c00.exe 2388 40790c741512722a0a45db61bb1153a55142865ad4829a0498eba1c2637c7c00.exe 2388 40790c741512722a0a45db61bb1153a55142865ad4829a0498eba1c2637c7c00.exe 4320 powershell.exe 4320 powershell.exe 4320 powershell.exe 5056 powershell.exe 5056 powershell.exe 5056 powershell.exe 3980 powershell.exe 3980 powershell.exe 3980 powershell.exe 5016 powershell.exe 5016 powershell.exe 5016 powershell.exe 308 powershell.exe 308 powershell.exe 308 powershell.exe 1156 injector.exe 1156 injector.exe 1156 injector.exe 1156 injector.exe 1156 injector.exe 1156 injector.exe 1156 injector.exe 1156 injector.exe 1400 csrss.exe 1400 csrss.exe 1156 injector.exe 1156 injector.exe 1156 injector.exe 1156 injector.exe 1156 injector.exe 1156 injector.exe 1400 csrss.exe 1400 csrss.exe 1156 injector.exe 1156 injector.exe 1400 csrss.exe 1400 csrss.exe 1156 injector.exe 1156 injector.exe 1156 injector.exe 1156 injector.exe 1156 injector.exe 1156 injector.exe 1156 injector.exe 1156 injector.exe 1156 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2604 powershell.exe Token: SeDebugPrivilege 1540 40790c741512722a0a45db61bb1153a55142865ad4829a0498eba1c2637c7c00.exe Token: SeImpersonatePrivilege 1540 40790c741512722a0a45db61bb1153a55142865ad4829a0498eba1c2637c7c00.exe Token: SeDebugPrivilege 4748 powershell.exe Token: SeDebugPrivilege 4320 powershell.exe Token: SeDebugPrivilege 5056 powershell.exe Token: SeDebugPrivilege 3980 powershell.exe Token: SeDebugPrivilege 5016 powershell.exe Token: SeDebugPrivilege 308 powershell.exe Token: SeSystemEnvironmentPrivilege 1400 csrss.exe Token: SeSecurityPrivilege 4840 sc.exe Token: SeSecurityPrivilege 4840 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1540 wrote to memory of 2604 1540 40790c741512722a0a45db61bb1153a55142865ad4829a0498eba1c2637c7c00.exe 72 PID 1540 wrote to memory of 2604 1540 40790c741512722a0a45db61bb1153a55142865ad4829a0498eba1c2637c7c00.exe 72 PID 1540 wrote to memory of 2604 1540 40790c741512722a0a45db61bb1153a55142865ad4829a0498eba1c2637c7c00.exe 72 PID 2388 wrote to memory of 4748 2388 40790c741512722a0a45db61bb1153a55142865ad4829a0498eba1c2637c7c00.exe 77 PID 2388 wrote to memory of 4748 2388 40790c741512722a0a45db61bb1153a55142865ad4829a0498eba1c2637c7c00.exe 77 PID 2388 wrote to memory of 4748 2388 40790c741512722a0a45db61bb1153a55142865ad4829a0498eba1c2637c7c00.exe 77 PID 2388 wrote to memory of 3720 2388 40790c741512722a0a45db61bb1153a55142865ad4829a0498eba1c2637c7c00.exe 79 PID 2388 wrote to memory of 3720 2388 40790c741512722a0a45db61bb1153a55142865ad4829a0498eba1c2637c7c00.exe 79 PID 3720 wrote to memory of 2124 3720 cmd.exe 81 PID 3720 wrote to memory of 2124 3720 cmd.exe 81 PID 2388 wrote to memory of 4320 2388 40790c741512722a0a45db61bb1153a55142865ad4829a0498eba1c2637c7c00.exe 82 PID 2388 wrote to memory of 4320 2388 40790c741512722a0a45db61bb1153a55142865ad4829a0498eba1c2637c7c00.exe 82 PID 2388 wrote to memory of 4320 2388 40790c741512722a0a45db61bb1153a55142865ad4829a0498eba1c2637c7c00.exe 82 PID 2388 wrote to memory of 5056 2388 40790c741512722a0a45db61bb1153a55142865ad4829a0498eba1c2637c7c00.exe 84 PID 2388 wrote to memory of 5056 2388 40790c741512722a0a45db61bb1153a55142865ad4829a0498eba1c2637c7c00.exe 84 PID 2388 wrote to memory of 5056 2388 40790c741512722a0a45db61bb1153a55142865ad4829a0498eba1c2637c7c00.exe 84 PID 2388 wrote to memory of 1400 2388 40790c741512722a0a45db61bb1153a55142865ad4829a0498eba1c2637c7c00.exe 86 PID 2388 wrote to memory of 1400 2388 40790c741512722a0a45db61bb1153a55142865ad4829a0498eba1c2637c7c00.exe 86 PID 2388 wrote to memory of 1400 2388 40790c741512722a0a45db61bb1153a55142865ad4829a0498eba1c2637c7c00.exe 86 PID 1400 wrote to memory of 3980 1400 csrss.exe 87 PID 1400 wrote to memory of 3980 1400 csrss.exe 87 PID 1400 wrote to memory of 3980 1400 csrss.exe 87 PID 1400 wrote to memory of 5016 1400 csrss.exe 95 PID 1400 wrote to memory of 5016 1400 csrss.exe 95 PID 1400 wrote to memory of 5016 1400 csrss.exe 95 PID 1400 wrote to memory of 308 1400 csrss.exe 96 PID 1400 wrote to memory of 308 1400 csrss.exe 96 PID 1400 wrote to memory of 308 1400 csrss.exe 96 PID 1400 wrote to memory of 1156 1400 csrss.exe 98 PID 1400 wrote to memory of 1156 1400 csrss.exe 98 PID 3068 wrote to memory of 224 3068 windefender.exe 105 PID 3068 wrote to memory of 224 3068 windefender.exe 105 PID 3068 wrote to memory of 224 3068 windefender.exe 105 PID 224 wrote to memory of 4840 224 cmd.exe 106 PID 224 wrote to memory of 4840 224 cmd.exe 106 PID 224 wrote to memory of 4840 224 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\40790c741512722a0a45db61bb1153a55142865ad4829a0498eba1c2637c7c00.exe"C:\Users\Admin\AppData\Local\Temp\40790c741512722a0a45db61bb1153a55142865ad4829a0498eba1c2637c7c00.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1540 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2604
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C:\Users\Admin\AppData\Local\Temp\40790c741512722a0a45db61bb1153a55142865ad4829a0498eba1c2637c7c00.exe"C:\Users\Admin\AppData\Local\Temp\40790c741512722a0a45db61bb1153a55142865ad4829a0498eba1c2637c7c00.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:2388 -
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:4748
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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:3720 -
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:2124
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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:4320
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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:5056
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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:1400 -
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:3980
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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:4624
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3900
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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:5016
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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:308
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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:1156
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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:4972
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3068 -
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:224 -
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:4840
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1712
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
MD5db01a2c1c7e70b2b038edf8ad5ad9826
SHA1540217c647a73bad8d8a79e3a0f3998b5abd199b
SHA256413da361d77055dae7007f82b58b366c8783aa72e0b8fbe41519b940c253b38d
SHA512c76ff57fcee5cdf9fdf3116d4e1dc0cf106867bf19ab474b763e242acf5dca9a7509cb837c35e130c3e056636b4e8a4e135512a978bcd3dd641e20f5bf76c3d6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD51fffb1258ba6276f664b331433228d62
SHA114f8c6474492d917e4469b4f749c413035e546a6
SHA2560a30d32e2006efcd69c9d71314b0b1c8d045f68ec2bfb113e5ff071feeec5e65
SHA5128fef9893c57e0237af9c3b56aa8f3d1123f8bed99459a0a5272966d7a14101957e715ac567d6c56a8516703bdf2c6d0c77cdbf52e834f3b5294417089c6d939e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5688dd6bf0cf68058fab43cc45ee5c117
SHA130a5474107dc9d23c2f2917f8134e313a63d8df9
SHA256ecd960b90a760c6b89f3404cbeb494941569441a078a7a8261e2e5268e2494f5
SHA512081fcb29c0b4b20794f5711159321c8fe99909ef7a1edf11e58bb4d28344fa718f3bc867b095757114a897093ea11992049d219f2d94d21453ddf10ab5aa183e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD54690729627ea3ca65783e6a047f83ed7
SHA154f3e1b4695538c5ad0600c0cd9c9391d211b9d2
SHA2563777dc327a9c0fc8580170ee116aa64ebad913b9528057a0da7c7a34f1637e00
SHA512c4c7369b44df0f654b9446a38cbebe83f1a8ae3f48adaa5d1fc3d12222c6924954a11aa4bbcfa2c4a70515a288a9ca39409574dc4d4f603bd57c082b9cd44fb6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD58c67e36f5444108211c94e38bced2e1a
SHA100383f644c631cfe38737ac0f9cba8bc930ea192
SHA2563e7f4d16e8147c1a85cfcc9ced66dec646b129833eb4815cba093e4cc2196ab4
SHA512c98ff1f01d1c86985e567f478e836508551f86f4db89d463451317f87cd5fadbcdc0791522686785bb6652b9f0dc8cefe108c720b7a2eca3bee717f75d6938aa
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5797e6aa2f20681d402ae73267b47ed06
SHA1b98f849b99cef0cb0a24a9308acdd6c9376f735f
SHA256de4f4cb67b264061f5e4cbbb21a4fe7fcf661b5f240072189afd42b61c9668c0
SHA5124bbd1aab633a5f44e30c8e8cd1d6a804ba1bd920a576fcfd7dcc4687e60a14d547c4eecf3707e47ca8e26722a37637f2d20a6769bbd45a04e4943077d5bc4ef4
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Filesize
4.1MB
MD5d719586593e16675623a58c1a5619ec8
SHA15bb0ff88ba6968c80ca2fa38b3208d4319f3cd06
SHA25640790c741512722a0a45db61bb1153a55142865ad4829a0498eba1c2637c7c00
SHA512e147f8f80e76c75d52bcda645ab8611e23702a42cd05c530c8cc58d6fe06259f3c10b1a7258eaafdf3ff78690c1fc90601b74303ec28ad79f3b99bbc9af03b64
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Filesize
4.1MB
MD5d719586593e16675623a58c1a5619ec8
SHA15bb0ff88ba6968c80ca2fa38b3208d4319f3cd06
SHA25640790c741512722a0a45db61bb1153a55142865ad4829a0498eba1c2637c7c00
SHA512e147f8f80e76c75d52bcda645ab8611e23702a42cd05c530c8cc58d6fe06259f3c10b1a7258eaafdf3ff78690c1fc90601b74303ec28ad79f3b99bbc9af03b64
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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