Analysis
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max time kernel
149s -
max time network
146s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
29/04/2024, 19:43
Static task
static1
Behavioral task
behavioral1
Sample
e2e745b417a0e203ab1761baadd6a6d66a540ebe3de7356dd90db1b439153172.exe
Resource
win10v2004-20240226-en
General
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Target
e2e745b417a0e203ab1761baadd6a6d66a540ebe3de7356dd90db1b439153172.exe
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Size
4.1MB
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MD5
0dcd77aa3e28266641bcdbc58d5c94c9
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SHA1
c7fb02678c194955245a123627829786b6843955
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SHA256
e2e745b417a0e203ab1761baadd6a6d66a540ebe3de7356dd90db1b439153172
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SHA512
bf7e012b313de96c31030283add07d612433818238f2f335b20c1f7316839598b2cfc63872b5a90e2c75ea3c1d850751e469c5ea552ea22e2780e8906acb46f9
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SSDEEP
98304:BdQuuPHa5MdStgxripkXnRwi4vnPQHeH26Ah+8mVZTt:guu/awStgipkXtkP6Lot
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral2/memory/4208-2-0x0000000005010000-0x00000000058FB000-memory.dmp family_glupteba behavioral2/memory/4208-3-0x0000000000400000-0x0000000002ED3000-memory.dmp family_glupteba behavioral2/memory/4208-49-0x0000000000400000-0x0000000002ED3000-memory.dmp family_glupteba behavioral2/memory/4208-75-0x0000000005010000-0x00000000058FB000-memory.dmp family_glupteba behavioral2/memory/4208-73-0x0000000000400000-0x0000000002ED3000-memory.dmp family_glupteba behavioral2/memory/2344-98-0x0000000000400000-0x0000000002ED3000-memory.dmp family_glupteba behavioral2/memory/2344-127-0x0000000000400000-0x0000000002ED3000-memory.dmp family_glupteba behavioral2/memory/1516-200-0x0000000000400000-0x0000000002ED3000-memory.dmp family_glupteba behavioral2/memory/1516-212-0x0000000000400000-0x0000000002ED3000-memory.dmp family_glupteba behavioral2/memory/1516-215-0x0000000000400000-0x0000000002ED3000-memory.dmp family_glupteba behavioral2/memory/1516-219-0x0000000000400000-0x0000000002ED3000-memory.dmp family_glupteba behavioral2/memory/1516-224-0x0000000000400000-0x0000000002ED3000-memory.dmp family_glupteba behavioral2/memory/1516-228-0x0000000000400000-0x0000000002ED3000-memory.dmp family_glupteba behavioral2/memory/1516-231-0x0000000000400000-0x0000000002ED3000-memory.dmp family_glupteba behavioral2/memory/1516-235-0x0000000000400000-0x0000000002ED3000-memory.dmp family_glupteba behavioral2/memory/1516-240-0x0000000000400000-0x0000000002ED3000-memory.dmp family_glupteba behavioral2/memory/1516-244-0x0000000000400000-0x0000000002ED3000-memory.dmp family_glupteba behavioral2/memory/1516-247-0x0000000000400000-0x0000000002ED3000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3760 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1516 csrss.exe 3352 injector.exe 3760 windefender.exe 4216 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a9f1-205.dat upx behavioral2/memory/3760-206-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3760-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4216-209-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4216-216-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4216-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3062789476-783164490-2318012559-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" e2e745b417a0e203ab1761baadd6a6d66a540ebe3de7356dd90db1b439153172.exe Set value (str) \REGISTRY\USER\S-1-5-21-3062789476-783164490-2318012559-1000\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 created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created 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 e2e745b417a0e203ab1761baadd6a6d66a540ebe3de7356dd90db1b439153172.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss e2e745b417a0e203ab1761baadd6a6d66a540ebe3de7356dd90db1b439153172.exe File created C:\Windows\rss\csrss.exe e2e745b417a0e203ab1761baadd6a6d66a540ebe3de7356dd90db1b439153172.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 1416 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 1848 schtasks.exe 1480 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2531 = "Chatham Islands Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople 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\2a\52C64B7E\@tzres.dll,-331 = "E. Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time" e2e745b417a0e203ab1761baadd6a6d66a540ebe3de7356dd90db1b439153172.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time" e2e745b417a0e203ab1761baadd6a6d66a540ebe3de7356dd90db1b439153172.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time" e2e745b417a0e203ab1761baadd6a6d66a540ebe3de7356dd90db1b439153172.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time" e2e745b417a0e203ab1761baadd6a6d66a540ebe3de7356dd90db1b439153172.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-182 = "Mountain Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time" e2e745b417a0e203ab1761baadd6a6d66a540ebe3de7356dd90db1b439153172.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" e2e745b417a0e203ab1761baadd6a6d66a540ebe3de7356dd90db1b439153172.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2181 = "Astrakhan Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" e2e745b417a0e203ab1761baadd6a6d66a540ebe3de7356dd90db1b439153172.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)" e2e745b417a0e203ab1761baadd6a6d66a540ebe3de7356dd90db1b439153172.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" e2e745b417a0e203ab1761baadd6a6d66a540ebe3de7356dd90db1b439153172.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-92 = "Pacific SA Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2892 = "Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1892 = "Russia TZ 3 Standard Time" e2e745b417a0e203ab1761baadd6a6d66a540ebe3de7356dd90db1b439153172.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\2a\52C64B7E\@tzres.dll,-2612 = "Bougainville Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-892 = "Morocco Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2411 = "Marquesas Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time" e2e745b417a0e203ab1761baadd6a6d66a540ebe3de7356dd90db1b439153172.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time" e2e745b417a0e203ab1761baadd6a6d66a540ebe3de7356dd90db1b439153172.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time" e2e745b417a0e203ab1761baadd6a6d66a540ebe3de7356dd90db1b439153172.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time" e2e745b417a0e203ab1761baadd6a6d66a540ebe3de7356dd90db1b439153172.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" e2e745b417a0e203ab1761baadd6a6d66a540ebe3de7356dd90db1b439153172.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time" e2e745b417a0e203ab1761baadd6a6d66a540ebe3de7356dd90db1b439153172.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-211 = "Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time" e2e745b417a0e203ab1761baadd6a6d66a540ebe3de7356dd90db1b439153172.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-172 = "Central Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2182 = "Astrakhan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-682 = "E. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-351 = "FLE Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" e2e745b417a0e203ab1761baadd6a6d66a540ebe3de7356dd90db1b439153172.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time" e2e745b417a0e203ab1761baadd6a6d66a540ebe3de7356dd90db1b439153172.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time" e2e745b417a0e203ab1761baadd6a6d66a540ebe3de7356dd90db1b439153172.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-791 = "SA Western Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-372 = "Jerusalem Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time" e2e745b417a0e203ab1761baadd6a6d66a540ebe3de7356dd90db1b439153172.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time" e2e745b417a0e203ab1761baadd6a6d66a540ebe3de7356dd90db1b439153172.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1572 powershell.exe 1572 powershell.exe 4208 e2e745b417a0e203ab1761baadd6a6d66a540ebe3de7356dd90db1b439153172.exe 4208 e2e745b417a0e203ab1761baadd6a6d66a540ebe3de7356dd90db1b439153172.exe 2464 powershell.exe 2464 powershell.exe 2344 e2e745b417a0e203ab1761baadd6a6d66a540ebe3de7356dd90db1b439153172.exe 2344 e2e745b417a0e203ab1761baadd6a6d66a540ebe3de7356dd90db1b439153172.exe 2344 e2e745b417a0e203ab1761baadd6a6d66a540ebe3de7356dd90db1b439153172.exe 2344 e2e745b417a0e203ab1761baadd6a6d66a540ebe3de7356dd90db1b439153172.exe 2344 e2e745b417a0e203ab1761baadd6a6d66a540ebe3de7356dd90db1b439153172.exe 2344 e2e745b417a0e203ab1761baadd6a6d66a540ebe3de7356dd90db1b439153172.exe 2344 e2e745b417a0e203ab1761baadd6a6d66a540ebe3de7356dd90db1b439153172.exe 2344 e2e745b417a0e203ab1761baadd6a6d66a540ebe3de7356dd90db1b439153172.exe 2344 e2e745b417a0e203ab1761baadd6a6d66a540ebe3de7356dd90db1b439153172.exe 2344 e2e745b417a0e203ab1761baadd6a6d66a540ebe3de7356dd90db1b439153172.exe 1488 powershell.exe 1488 powershell.exe 3544 powershell.exe 3544 powershell.exe 2536 powershell.exe 2536 powershell.exe 4884 powershell.exe 4884 powershell.exe 2412 powershell.exe 2412 powershell.exe 3352 injector.exe 3352 injector.exe 3352 injector.exe 3352 injector.exe 3352 injector.exe 3352 injector.exe 1516 csrss.exe 1516 csrss.exe 3352 injector.exe 3352 injector.exe 3352 injector.exe 3352 injector.exe 3352 injector.exe 3352 injector.exe 1516 csrss.exe 1516 csrss.exe 3352 injector.exe 3352 injector.exe 1516 csrss.exe 1516 csrss.exe 3352 injector.exe 3352 injector.exe 3352 injector.exe 3352 injector.exe 3352 injector.exe 3352 injector.exe 3352 injector.exe 3352 injector.exe 3352 injector.exe 3352 injector.exe 3352 injector.exe 3352 injector.exe 3352 injector.exe 3352 injector.exe 3352 injector.exe 3352 injector.exe 3352 injector.exe 3352 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1572 powershell.exe Token: SeDebugPrivilege 4208 e2e745b417a0e203ab1761baadd6a6d66a540ebe3de7356dd90db1b439153172.exe Token: SeImpersonatePrivilege 4208 e2e745b417a0e203ab1761baadd6a6d66a540ebe3de7356dd90db1b439153172.exe Token: SeDebugPrivilege 2464 powershell.exe Token: SeDebugPrivilege 1488 powershell.exe Token: SeDebugPrivilege 3544 powershell.exe Token: SeDebugPrivilege 2536 powershell.exe Token: SeDebugPrivilege 4884 powershell.exe Token: SeDebugPrivilege 2412 powershell.exe Token: SeSystemEnvironmentPrivilege 1516 csrss.exe Token: SeSecurityPrivilege 1416 sc.exe Token: SeSecurityPrivilege 1416 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4208 wrote to memory of 1572 4208 e2e745b417a0e203ab1761baadd6a6d66a540ebe3de7356dd90db1b439153172.exe 83 PID 4208 wrote to memory of 1572 4208 e2e745b417a0e203ab1761baadd6a6d66a540ebe3de7356dd90db1b439153172.exe 83 PID 4208 wrote to memory of 1572 4208 e2e745b417a0e203ab1761baadd6a6d66a540ebe3de7356dd90db1b439153172.exe 83 PID 2344 wrote to memory of 2464 2344 e2e745b417a0e203ab1761baadd6a6d66a540ebe3de7356dd90db1b439153172.exe 88 PID 2344 wrote to memory of 2464 2344 e2e745b417a0e203ab1761baadd6a6d66a540ebe3de7356dd90db1b439153172.exe 88 PID 2344 wrote to memory of 2464 2344 e2e745b417a0e203ab1761baadd6a6d66a540ebe3de7356dd90db1b439153172.exe 88 PID 2344 wrote to memory of 3560 2344 e2e745b417a0e203ab1761baadd6a6d66a540ebe3de7356dd90db1b439153172.exe 90 PID 2344 wrote to memory of 3560 2344 e2e745b417a0e203ab1761baadd6a6d66a540ebe3de7356dd90db1b439153172.exe 90 PID 3560 wrote to memory of 3760 3560 cmd.exe 92 PID 3560 wrote to memory of 3760 3560 cmd.exe 92 PID 2344 wrote to memory of 1488 2344 e2e745b417a0e203ab1761baadd6a6d66a540ebe3de7356dd90db1b439153172.exe 93 PID 2344 wrote to memory of 1488 2344 e2e745b417a0e203ab1761baadd6a6d66a540ebe3de7356dd90db1b439153172.exe 93 PID 2344 wrote to memory of 1488 2344 e2e745b417a0e203ab1761baadd6a6d66a540ebe3de7356dd90db1b439153172.exe 93 PID 2344 wrote to memory of 3544 2344 e2e745b417a0e203ab1761baadd6a6d66a540ebe3de7356dd90db1b439153172.exe 95 PID 2344 wrote to memory of 3544 2344 e2e745b417a0e203ab1761baadd6a6d66a540ebe3de7356dd90db1b439153172.exe 95 PID 2344 wrote to memory of 3544 2344 e2e745b417a0e203ab1761baadd6a6d66a540ebe3de7356dd90db1b439153172.exe 95 PID 2344 wrote to memory of 1516 2344 e2e745b417a0e203ab1761baadd6a6d66a540ebe3de7356dd90db1b439153172.exe 97 PID 2344 wrote to memory of 1516 2344 e2e745b417a0e203ab1761baadd6a6d66a540ebe3de7356dd90db1b439153172.exe 97 PID 2344 wrote to memory of 1516 2344 e2e745b417a0e203ab1761baadd6a6d66a540ebe3de7356dd90db1b439153172.exe 97 PID 1516 wrote to memory of 2536 1516 csrss.exe 98 PID 1516 wrote to memory of 2536 1516 csrss.exe 98 PID 1516 wrote to memory of 2536 1516 csrss.exe 98 PID 1516 wrote to memory of 4884 1516 csrss.exe 103 PID 1516 wrote to memory of 4884 1516 csrss.exe 103 PID 1516 wrote to memory of 4884 1516 csrss.exe 103 PID 1516 wrote to memory of 2412 1516 csrss.exe 106 PID 1516 wrote to memory of 2412 1516 csrss.exe 106 PID 1516 wrote to memory of 2412 1516 csrss.exe 106 PID 1516 wrote to memory of 3352 1516 csrss.exe 108 PID 1516 wrote to memory of 3352 1516 csrss.exe 108 PID 3760 wrote to memory of 4552 3760 windefender.exe 114 PID 3760 wrote to memory of 4552 3760 windefender.exe 114 PID 3760 wrote to memory of 4552 3760 windefender.exe 114 PID 4552 wrote to memory of 1416 4552 cmd.exe 115 PID 4552 wrote to memory of 1416 4552 cmd.exe 115 PID 4552 wrote to memory of 1416 4552 cmd.exe 115 -
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\e2e745b417a0e203ab1761baadd6a6d66a540ebe3de7356dd90db1b439153172.exe"C:\Users\Admin\AppData\Local\Temp\e2e745b417a0e203ab1761baadd6a6d66a540ebe3de7356dd90db1b439153172.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4208 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1572
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C:\Users\Admin\AppData\Local\Temp\e2e745b417a0e203ab1761baadd6a6d66a540ebe3de7356dd90db1b439153172.exe"C:\Users\Admin\AppData\Local\Temp\e2e745b417a0e203ab1761baadd6a6d66a540ebe3de7356dd90db1b439153172.exe"2⤵
- Adds Run key to start application
- Checks for VirtualBox DLLs, possible anti-VM trick
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2344 -
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:2464
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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:3560 -
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:3760
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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:1488
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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:3544
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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:1516 -
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:2536
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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:1480
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:432
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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:4884
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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:2412
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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:3352
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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:1848
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3760 -
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:4552 -
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:1416
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4216
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f56fedcd71341c866b8e21808e0286fd
SHA1d103763013cd53c8949f5b30968ff60386714f85
SHA25674588678ce320faceafbea6b3f77e81d8ab8fd8819344385f417c746bd51684e
SHA5128320d9a2fa98d15386104325cb14636a9a5735ee49bb4734e3f4bd1cf6263269542089c93786810f33f84a457495de7509bb5626b6528935ae07688f708a7c8a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5024805ad4ea5d988663dc7b101155339
SHA15ec1e95d6a14f987d0efad7ec5d77c0fb51ef964
SHA2568df06e5341ae795c5c0608dfb62cfbd3f296366d0643b665d64fa17ca490fe68
SHA51282bfdc0f245a2d92b4a51ae67ff4a171414256d8c2d31d4f62fab87f71ec2c455d6f5e18f0cc811cd3505446825d4cb15d12968b1a2035abec38b5f362c2b0cc
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d24c30730a4609315d88a6c7a6709227
SHA1a2e9c2522074c2e3b5c93c06584dd03e85dba486
SHA2561614fb539f093925558513c6b157ae6da132e30a87d6198c6bcbfbd6fc3bd94b
SHA512c1ed74144bcfb5fcd477d55fcbc58447bfe101123d58513a054a65ab574070e412e22ecb37e994e0c1b4d7e1194680da15a415653b36e467377fe177074953c6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53bab46ce6d51d763ed2131f69ec9413c
SHA10068b8f69985467d9e830888f4b3e6ee7570de64
SHA25680a13964493bc1be841ccbf05dcac214de1a47834c98a12ff6e0a794f9930b1f
SHA51251683d99e476fb1f02d20fc8ac42aa539085536ea8c392fff261774fc0768e1bad7dfac1eccc553afc524034094dec6bc44ac868c9902bcead5e5a8beefcc249
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57c944d2c34a8f8568e651b3d907b3704
SHA108f567850792251c07338b582d325fad7a046730
SHA256f582f4efe12f7824c8d0c15e7669a7f8b19233564b5eb7acab6119145c092b0f
SHA512f074eb1f2bfc6f94efe3de18a7e2d5780ab712378da92850b9f3d443e4f015fdffb8435f8b59713a423330436118c0f8580aec388ac27162f98f1201574e0ed5
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Filesize
4.1MB
MD50dcd77aa3e28266641bcdbc58d5c94c9
SHA1c7fb02678c194955245a123627829786b6843955
SHA256e2e745b417a0e203ab1761baadd6a6d66a540ebe3de7356dd90db1b439153172
SHA512bf7e012b313de96c31030283add07d612433818238f2f335b20c1f7316839598b2cfc63872b5a90e2c75ea3c1d850751e469c5ea552ea22e2780e8906acb46f9
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec