Analysis
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max time kernel
150s -
max time network
140s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
10/05/2024, 19:13
Static task
static1
Behavioral task
behavioral1
Sample
d46ca10f1f915907aac316b86d2238fc6bae55078c1d46f39deff5b59a3b88b6.exe
Resource
win10v2004-20240426-en
General
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Target
d46ca10f1f915907aac316b86d2238fc6bae55078c1d46f39deff5b59a3b88b6.exe
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Size
4.1MB
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MD5
29bf67745becc52947d37dbdff94c879
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SHA1
f413e7cee7d81c1fabfda15ffdb3264f7d58c1e0
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SHA256
d46ca10f1f915907aac316b86d2238fc6bae55078c1d46f39deff5b59a3b88b6
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SHA512
47bef64447995dcbe505f84d0710c0fd0c8a8ddfb0118fb945dcdef0f3f5ca802de08092a868de2a4e3381a340ee50e152645782c807b6ffb6a4c63d041d9a0f
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SSDEEP
98304:8Ox+yLAsWcX5ANOp80aGDbz4ZHRnWgYq13pS/Dvn0YngW:sE1pj8JRnW2pojn0YgW
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral2/memory/2476-2-0x0000000004B00000-0x00000000053EB000-memory.dmp family_glupteba behavioral2/memory/2476-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2476-48-0x0000000000400000-0x0000000002959000-memory.dmp family_glupteba behavioral2/memory/2476-76-0x0000000004B00000-0x00000000053EB000-memory.dmp family_glupteba behavioral2/memory/2476-100-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2476-99-0x0000000000400000-0x0000000002959000-memory.dmp family_glupteba behavioral2/memory/2004-122-0x0000000000400000-0x0000000002959000-memory.dmp family_glupteba behavioral2/memory/2004-150-0x0000000000400000-0x0000000002959000-memory.dmp family_glupteba behavioral2/memory/880-186-0x0000000000400000-0x0000000002959000-memory.dmp family_glupteba behavioral2/memory/880-205-0x0000000000400000-0x0000000002959000-memory.dmp family_glupteba behavioral2/memory/880-217-0x0000000000400000-0x0000000002959000-memory.dmp family_glupteba behavioral2/memory/880-221-0x0000000000400000-0x0000000002959000-memory.dmp family_glupteba behavioral2/memory/880-225-0x0000000000400000-0x0000000002959000-memory.dmp family_glupteba behavioral2/memory/880-229-0x0000000000400000-0x0000000002959000-memory.dmp family_glupteba behavioral2/memory/880-233-0x0000000000400000-0x0000000002959000-memory.dmp family_glupteba behavioral2/memory/880-237-0x0000000000400000-0x0000000002959000-memory.dmp family_glupteba behavioral2/memory/880-241-0x0000000000400000-0x0000000002959000-memory.dmp family_glupteba behavioral2/memory/880-245-0x0000000000400000-0x0000000002959000-memory.dmp family_glupteba behavioral2/memory/880-249-0x0000000000400000-0x0000000002959000-memory.dmp family_glupteba behavioral2/memory/880-253-0x0000000000400000-0x0000000002959000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2116 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 880 csrss.exe 4248 injector.exe 3576 windefender.exe 2100 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa4e-208.dat upx behavioral2/memory/3576-209-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3576-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2100-212-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2100-218-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2100-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3433428765-2473475212-4279855560-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" d46ca10f1f915907aac316b86d2238fc6bae55078c1d46f39deff5b59a3b88b6.exe Set value (str) \REGISTRY\USER\S-1-5-21-3433428765-2473475212-4279855560-1000\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\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN d46ca10f1f915907aac316b86d2238fc6bae55078c1d46f39deff5b59a3b88b6.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss d46ca10f1f915907aac316b86d2238fc6bae55078c1d46f39deff5b59a3b88b6.exe File created C:\Windows\rss\csrss.exe d46ca10f1f915907aac316b86d2238fc6bae55078c1d46f39deff5b59a3b88b6.exe File created 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 3568 sc.exe -
pid Process 4580 powershell.exe 1968 powershell.exe 2708 powershell.exe 4728 powershell.exe 1508 powershell.exe 3140 powershell.exe 1012 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 4676 schtasks.exe 4736 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process 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,-632 = "Tokyo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" d46ca10f1f915907aac316b86d2238fc6bae55078c1d46f39deff5b59a3b88b6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates 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,-391 = "Arab Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time" d46ca10f1f915907aac316b86d2238fc6bae55078c1d46f39deff5b59a3b88b6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1932 = "Russia TZ 11 Standard Time" d46ca10f1f915907aac316b86d2238fc6bae55078c1d46f39deff5b59a3b88b6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1822 = "Russia TZ 1 Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-364 = "Middle East Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time" d46ca10f1f915907aac316b86d2238fc6bae55078c1d46f39deff5b59a3b88b6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1842 = "Russia TZ 4 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time" d46ca10f1f915907aac316b86d2238fc6bae55078c1d46f39deff5b59a3b88b6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time" d46ca10f1f915907aac316b86d2238fc6bae55078c1d46f39deff5b59a3b88b6.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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" d46ca10f1f915907aac316b86d2238fc6bae55078c1d46f39deff5b59a3b88b6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" d46ca10f1f915907aac316b86d2238fc6bae55078c1d46f39deff5b59a3b88b6.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\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-302 = "Romance Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" d46ca10f1f915907aac316b86d2238fc6bae55078c1d46f39deff5b59a3b88b6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time" d46ca10f1f915907aac316b86d2238fc6bae55078c1d46f39deff5b59a3b88b6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" d46ca10f1f915907aac316b86d2238fc6bae55078c1d46f39deff5b59a3b88b6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time" d46ca10f1f915907aac316b86d2238fc6bae55078c1d46f39deff5b59a3b88b6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" d46ca10f1f915907aac316b86d2238fc6bae55078c1d46f39deff5b59a3b88b6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" d46ca10f1f915907aac316b86d2238fc6bae55078c1d46f39deff5b59a3b88b6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time" d46ca10f1f915907aac316b86d2238fc6bae55078c1d46f39deff5b59a3b88b6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" d46ca10f1f915907aac316b86d2238fc6bae55078c1d46f39deff5b59a3b88b6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-152 = "Central America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-411 = "E. Africa Daylight Time" 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\@tzres.dll,-832 = "SA Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2321 = "Sakhalin Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" d46ca10f1f915907aac316b86d2238fc6bae55078c1d46f39deff5b59a3b88b6.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\2a\52C64B7E\@tzres.dll,-1042 = "Ulaanbaatar Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-448 = "Azerbaijan Daylight Time" windefender.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,-2392 = "Aleutian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" d46ca10f1f915907aac316b86d2238fc6bae55078c1d46f39deff5b59a3b88b6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time" d46ca10f1f915907aac316b86d2238fc6bae55078c1d46f39deff5b59a3b88b6.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\2a\52C64B7E\@tzres.dll,-12 = "Azores Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-151 = "Central America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-385 = "Namibia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-122 = "SA Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. Standard Time" d46ca10f1f915907aac316b86d2238fc6bae55078c1d46f39deff5b59a3b88b6.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1968 powershell.exe 1968 powershell.exe 2476 d46ca10f1f915907aac316b86d2238fc6bae55078c1d46f39deff5b59a3b88b6.exe 2476 d46ca10f1f915907aac316b86d2238fc6bae55078c1d46f39deff5b59a3b88b6.exe 2708 powershell.exe 2708 powershell.exe 2004 d46ca10f1f915907aac316b86d2238fc6bae55078c1d46f39deff5b59a3b88b6.exe 2004 d46ca10f1f915907aac316b86d2238fc6bae55078c1d46f39deff5b59a3b88b6.exe 2004 d46ca10f1f915907aac316b86d2238fc6bae55078c1d46f39deff5b59a3b88b6.exe 2004 d46ca10f1f915907aac316b86d2238fc6bae55078c1d46f39deff5b59a3b88b6.exe 2004 d46ca10f1f915907aac316b86d2238fc6bae55078c1d46f39deff5b59a3b88b6.exe 2004 d46ca10f1f915907aac316b86d2238fc6bae55078c1d46f39deff5b59a3b88b6.exe 2004 d46ca10f1f915907aac316b86d2238fc6bae55078c1d46f39deff5b59a3b88b6.exe 2004 d46ca10f1f915907aac316b86d2238fc6bae55078c1d46f39deff5b59a3b88b6.exe 2004 d46ca10f1f915907aac316b86d2238fc6bae55078c1d46f39deff5b59a3b88b6.exe 2004 d46ca10f1f915907aac316b86d2238fc6bae55078c1d46f39deff5b59a3b88b6.exe 4728 powershell.exe 4728 powershell.exe 1508 powershell.exe 1508 powershell.exe 3140 powershell.exe 3140 powershell.exe 1012 powershell.exe 1012 powershell.exe 4580 powershell.exe 4580 powershell.exe 4248 injector.exe 4248 injector.exe 4248 injector.exe 4248 injector.exe 4248 injector.exe 4248 injector.exe 880 csrss.exe 880 csrss.exe 4248 injector.exe 4248 injector.exe 4248 injector.exe 4248 injector.exe 4248 injector.exe 4248 injector.exe 880 csrss.exe 880 csrss.exe 4248 injector.exe 4248 injector.exe 880 csrss.exe 880 csrss.exe 4248 injector.exe 4248 injector.exe 4248 injector.exe 4248 injector.exe 4248 injector.exe 4248 injector.exe 4248 injector.exe 4248 injector.exe 4248 injector.exe 4248 injector.exe 4248 injector.exe 4248 injector.exe 4248 injector.exe 4248 injector.exe 4248 injector.exe 4248 injector.exe 4248 injector.exe 4248 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1968 powershell.exe Token: SeDebugPrivilege 2476 d46ca10f1f915907aac316b86d2238fc6bae55078c1d46f39deff5b59a3b88b6.exe Token: SeImpersonatePrivilege 2476 d46ca10f1f915907aac316b86d2238fc6bae55078c1d46f39deff5b59a3b88b6.exe Token: SeDebugPrivilege 2708 powershell.exe Token: SeDebugPrivilege 4728 powershell.exe Token: SeDebugPrivilege 1508 powershell.exe Token: SeDebugPrivilege 3140 powershell.exe Token: SeDebugPrivilege 1012 powershell.exe Token: SeDebugPrivilege 4580 powershell.exe Token: SeSystemEnvironmentPrivilege 880 csrss.exe Token: SeSecurityPrivilege 3568 sc.exe Token: SeSecurityPrivilege 3568 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2476 wrote to memory of 1968 2476 d46ca10f1f915907aac316b86d2238fc6bae55078c1d46f39deff5b59a3b88b6.exe 86 PID 2476 wrote to memory of 1968 2476 d46ca10f1f915907aac316b86d2238fc6bae55078c1d46f39deff5b59a3b88b6.exe 86 PID 2476 wrote to memory of 1968 2476 d46ca10f1f915907aac316b86d2238fc6bae55078c1d46f39deff5b59a3b88b6.exe 86 PID 2004 wrote to memory of 2708 2004 d46ca10f1f915907aac316b86d2238fc6bae55078c1d46f39deff5b59a3b88b6.exe 91 PID 2004 wrote to memory of 2708 2004 d46ca10f1f915907aac316b86d2238fc6bae55078c1d46f39deff5b59a3b88b6.exe 91 PID 2004 wrote to memory of 2708 2004 d46ca10f1f915907aac316b86d2238fc6bae55078c1d46f39deff5b59a3b88b6.exe 91 PID 2004 wrote to memory of 3292 2004 d46ca10f1f915907aac316b86d2238fc6bae55078c1d46f39deff5b59a3b88b6.exe 93 PID 2004 wrote to memory of 3292 2004 d46ca10f1f915907aac316b86d2238fc6bae55078c1d46f39deff5b59a3b88b6.exe 93 PID 3292 wrote to memory of 2116 3292 cmd.exe 95 PID 3292 wrote to memory of 2116 3292 cmd.exe 95 PID 2004 wrote to memory of 4728 2004 d46ca10f1f915907aac316b86d2238fc6bae55078c1d46f39deff5b59a3b88b6.exe 96 PID 2004 wrote to memory of 4728 2004 d46ca10f1f915907aac316b86d2238fc6bae55078c1d46f39deff5b59a3b88b6.exe 96 PID 2004 wrote to memory of 4728 2004 d46ca10f1f915907aac316b86d2238fc6bae55078c1d46f39deff5b59a3b88b6.exe 96 PID 2004 wrote to memory of 1508 2004 d46ca10f1f915907aac316b86d2238fc6bae55078c1d46f39deff5b59a3b88b6.exe 98 PID 2004 wrote to memory of 1508 2004 d46ca10f1f915907aac316b86d2238fc6bae55078c1d46f39deff5b59a3b88b6.exe 98 PID 2004 wrote to memory of 1508 2004 d46ca10f1f915907aac316b86d2238fc6bae55078c1d46f39deff5b59a3b88b6.exe 98 PID 2004 wrote to memory of 880 2004 d46ca10f1f915907aac316b86d2238fc6bae55078c1d46f39deff5b59a3b88b6.exe 100 PID 2004 wrote to memory of 880 2004 d46ca10f1f915907aac316b86d2238fc6bae55078c1d46f39deff5b59a3b88b6.exe 100 PID 2004 wrote to memory of 880 2004 d46ca10f1f915907aac316b86d2238fc6bae55078c1d46f39deff5b59a3b88b6.exe 100 PID 880 wrote to memory of 3140 880 csrss.exe 101 PID 880 wrote to memory of 3140 880 csrss.exe 101 PID 880 wrote to memory of 3140 880 csrss.exe 101 PID 880 wrote to memory of 1012 880 csrss.exe 108 PID 880 wrote to memory of 1012 880 csrss.exe 108 PID 880 wrote to memory of 1012 880 csrss.exe 108 PID 880 wrote to memory of 4580 880 csrss.exe 110 PID 880 wrote to memory of 4580 880 csrss.exe 110 PID 880 wrote to memory of 4580 880 csrss.exe 110 PID 880 wrote to memory of 4248 880 csrss.exe 112 PID 880 wrote to memory of 4248 880 csrss.exe 112 PID 3576 wrote to memory of 4912 3576 windefender.exe 118 PID 3576 wrote to memory of 4912 3576 windefender.exe 118 PID 3576 wrote to memory of 4912 3576 windefender.exe 118 PID 4912 wrote to memory of 3568 4912 cmd.exe 119 PID 4912 wrote to memory of 3568 4912 cmd.exe 119 PID 4912 wrote to memory of 3568 4912 cmd.exe 119 -
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\d46ca10f1f915907aac316b86d2238fc6bae55078c1d46f39deff5b59a3b88b6.exe"C:\Users\Admin\AppData\Local\Temp\d46ca10f1f915907aac316b86d2238fc6bae55078c1d46f39deff5b59a3b88b6.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2476 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1968
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C:\Users\Admin\AppData\Local\Temp\d46ca10f1f915907aac316b86d2238fc6bae55078c1d46f39deff5b59a3b88b6.exe"C:\Users\Admin\AppData\Local\Temp\d46ca10f1f915907aac316b86d2238fc6bae55078c1d46f39deff5b59a3b88b6.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:2004 -
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:2708
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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:3292 -
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:2116
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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: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:1508
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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:880 -
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:3140
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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:4676
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3476
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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:1012
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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:4580
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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:4248
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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:4736
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3576 -
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:4912 -
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:3568
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2100
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
MD5e94887674f6731786347762faafadc5a
SHA1653019f2dda45670335a1d5abe29b7dccbbb8cbb
SHA25647828e422dcf0ea4af3701a0f6fd607d833877e0cce9b95dfc67617338126962
SHA512c05805c43af11b41fdcf94965d9030b6769f311ea9a46586ebbd38d5ec8a0cd03b444833a9411b9fd851c15c3a653c92d595c3926145efa89e73c58d97db8b5e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c878780ef60360cb6949eb5ff411fd48
SHA13aa645c60c9bbf4ec90f16456544a32be5e522ea
SHA2567c4cf6c3f3709b04dca78a9085a48dfa59bd7efcfc70508515ea5bd97ebcd7a8
SHA512756c9b74a0e35b2628fa3cf088fff7631cebf8c529820c476dbf979df2144fcb98c2b28ac6ff6bf033487bd6c66f6d877bba013d1e5e09d99ee8cd5a89a8119c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ee30b4cbb8a3f34a89514d1892f8b664
SHA12a91a7d2215292605c976cf20a263e4297385728
SHA256b628d227851f93f6f4e28b9104a140f20e6370d349db6cced0a7895bb999cdd9
SHA5124539110311b209f01d7c6fb386ccf40138e3b6da2c6ba0865a0a4a692f0299609fe2da7d4e6e7612ec9c9454921d6e05b5b8a028a8c5a84bad96fd7b3a071bf2
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5497a8dfc306fb797e7ac68bdd3065955
SHA118b729f785721570b576f034486614296711e6e5
SHA2565d56dfc931a08c9707c859dd7e6ee0f314a26935254c80d6c73b31b3bb19982e
SHA512f5f56176329e4eec81a71b7724764a49f8e67d051c0af43271a683acccd86b1177079a2e7a270950488ec4bc1cd93f2a40838fc2c17beaff1e8306a180bd4b0d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD582581e33cdaedb6932c950e4b71d92ca
SHA1662ec92600f5d8b2ff185dc7dcf03dc846f6a21d
SHA256e40f2422976ff87e5d35d2fa114f8a8afc23387631cb015810b1b14b6c4cceb6
SHA512d1f16779fc5fd517575603e5c74d9317b1171ef29754548b2d62ed56fedaa604d7918e1847559e88780435b0a5eadeaf590ee6e20a105cd5d46dabf9be6a17c2
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Filesize
4.1MB
MD529bf67745becc52947d37dbdff94c879
SHA1f413e7cee7d81c1fabfda15ffdb3264f7d58c1e0
SHA256d46ca10f1f915907aac316b86d2238fc6bae55078c1d46f39deff5b59a3b88b6
SHA51247bef64447995dcbe505f84d0710c0fd0c8a8ddfb0118fb945dcdef0f3f5ca802de08092a868de2a4e3381a340ee50e152645782c807b6ffb6a4c63d041d9a0f
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec