Analysis
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max time kernel
149s -
max time network
149s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
17-05-2024 13:41
Static task
static1
Behavioral task
behavioral1
Sample
d252bd18fd3b2d9435d987fbd5148aa9aa73369f30b25acc14a2cd7c5d2642e2.exe
Resource
win10v2004-20240508-en
General
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Target
d252bd18fd3b2d9435d987fbd5148aa9aa73369f30b25acc14a2cd7c5d2642e2.exe
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Size
4.1MB
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MD5
ca64b58de95a5bbd0454949ee6de15f8
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SHA1
dc0080c1e47097a5972570f9f7c99a4046535277
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SHA256
d252bd18fd3b2d9435d987fbd5148aa9aa73369f30b25acc14a2cd7c5d2642e2
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SHA512
a89e6deb8f06667a65cef09f9ce40abb61b339bd284174848d2213d720460e0a6b79a2068dd775f5f9fd4524f58c24f8974b3639dae0413c66fa305155f8bb91
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SSDEEP
98304:EQJMl/iXMhTmfDhNRe9xfYVEx7xkD10HZd3scl3XzHAtmo0Fz:/b8hTmbBIxHPR3rn3oKz
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/4416-2-0x0000000004C50000-0x000000000553B000-memory.dmp family_glupteba behavioral2/memory/4416-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4416-24-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4416-55-0x0000000004C50000-0x000000000553B000-memory.dmp family_glupteba behavioral2/memory/4416-54-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4416-53-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2364-122-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2364-128-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2440-130-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2440-201-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2440-214-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2440-218-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2440-220-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2440-222-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2440-224-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2440-226-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2440-228-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2440-230-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2440-232-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4396 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2440 csrss.exe 3864 injector.exe 4108 windefender.exe 2344 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa29-210.dat upx behavioral2/memory/4108-212-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2344-215-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4108-217-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2344-219-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2344-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3107365284-1576850094-161165143-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" d252bd18fd3b2d9435d987fbd5148aa9aa73369f30b25acc14a2cd7c5d2642e2.exe Set value (str) \REGISTRY\USER\S-1-5-21-3107365284-1576850094-161165143-1000\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 d252bd18fd3b2d9435d987fbd5148aa9aa73369f30b25acc14a2cd7c5d2642e2.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss d252bd18fd3b2d9435d987fbd5148aa9aa73369f30b25acc14a2cd7c5d2642e2.exe File created C:\Windows\rss\csrss.exe d252bd18fd3b2d9435d987fbd5148aa9aa73369f30b25acc14a2cd7c5d2642e2.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 1512 sc.exe -
pid Process 4792 powershell.exe 3932 powershell.exe 2460 powershell.exe 4200 powershell.exe 4556 powershell.exe 2864 powershell.exe 1940 powershell.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 1612 4416 WerFault.exe 79 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4980 schtasks.exe 1964 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-652 = "AUS Central Standard Time" d252bd18fd3b2d9435d987fbd5148aa9aa73369f30b25acc14a2cd7c5d2642e2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" d252bd18fd3b2d9435d987fbd5148aa9aa73369f30b25acc14a2cd7c5d2642e2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.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" d252bd18fd3b2d9435d987fbd5148aa9aa73369f30b25acc14a2cd7c5d2642e2.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,-2391 = "Aleutian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-541 = "Myanmar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" d252bd18fd3b2d9435d987fbd5148aa9aa73369f30b25acc14a2cd7c5d2642e2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1021 = "Bangladesh Daylight Time" d252bd18fd3b2d9435d987fbd5148aa9aa73369f30b25acc14a2cd7c5d2642e2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-252 = "Dateline Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-191 = "Mountain Daylight Time" windefender.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,-411 = "E. Africa Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\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\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-961 = "Paraguay Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time" d252bd18fd3b2d9435d987fbd5148aa9aa73369f30b25acc14a2cd7c5d2642e2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time" d252bd18fd3b2d9435d987fbd5148aa9aa73369f30b25acc14a2cd7c5d2642e2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time" d252bd18fd3b2d9435d987fbd5148aa9aa73369f30b25acc14a2cd7c5d2642e2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" d252bd18fd3b2d9435d987fbd5148aa9aa73369f30b25acc14a2cd7c5d2642e2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\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\2a\52C64B7E\@tzres.dll,-891 = "Morocco Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-872 = "Pakistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time" d252bd18fd3b2d9435d987fbd5148aa9aa73369f30b25acc14a2cd7c5d2642e2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time" d252bd18fd3b2d9435d987fbd5148aa9aa73369f30b25acc14a2cd7c5d2642e2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time" d252bd18fd3b2d9435d987fbd5148aa9aa73369f30b25acc14a2cd7c5d2642e2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-791 = "SA Western Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time" d252bd18fd3b2d9435d987fbd5148aa9aa73369f30b25acc14a2cd7c5d2642e2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.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\2a\52C64B7E\@tzres.dll,-2431 = "Cuba Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-742 = "New Zealand Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-531 = "Sri Lanka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time" d252bd18fd3b2d9435d987fbd5148aa9aa73369f30b25acc14a2cd7c5d2642e2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" d252bd18fd3b2d9435d987fbd5148aa9aa73369f30b25acc14a2cd7c5d2642e2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time" d252bd18fd3b2d9435d987fbd5148aa9aa73369f30b25acc14a2cd7c5d2642e2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates 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,-392 = "Arab Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2492 = "Aus Central W. Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-672 = "AUS Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-771 = "Montevideo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" d252bd18fd3b2d9435d987fbd5148aa9aa73369f30b25acc14a2cd7c5d2642e2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" d252bd18fd3b2d9435d987fbd5148aa9aa73369f30b25acc14a2cd7c5d2642e2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-31 = "Mid-Atlantic Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2460 powershell.exe 2460 powershell.exe 4416 d252bd18fd3b2d9435d987fbd5148aa9aa73369f30b25acc14a2cd7c5d2642e2.exe 4416 d252bd18fd3b2d9435d987fbd5148aa9aa73369f30b25acc14a2cd7c5d2642e2.exe 4200 powershell.exe 4200 powershell.exe 2364 d252bd18fd3b2d9435d987fbd5148aa9aa73369f30b25acc14a2cd7c5d2642e2.exe 2364 d252bd18fd3b2d9435d987fbd5148aa9aa73369f30b25acc14a2cd7c5d2642e2.exe 2364 d252bd18fd3b2d9435d987fbd5148aa9aa73369f30b25acc14a2cd7c5d2642e2.exe 2364 d252bd18fd3b2d9435d987fbd5148aa9aa73369f30b25acc14a2cd7c5d2642e2.exe 2364 d252bd18fd3b2d9435d987fbd5148aa9aa73369f30b25acc14a2cd7c5d2642e2.exe 2364 d252bd18fd3b2d9435d987fbd5148aa9aa73369f30b25acc14a2cd7c5d2642e2.exe 2364 d252bd18fd3b2d9435d987fbd5148aa9aa73369f30b25acc14a2cd7c5d2642e2.exe 2364 d252bd18fd3b2d9435d987fbd5148aa9aa73369f30b25acc14a2cd7c5d2642e2.exe 2364 d252bd18fd3b2d9435d987fbd5148aa9aa73369f30b25acc14a2cd7c5d2642e2.exe 2364 d252bd18fd3b2d9435d987fbd5148aa9aa73369f30b25acc14a2cd7c5d2642e2.exe 4556 powershell.exe 4556 powershell.exe 2864 powershell.exe 2864 powershell.exe 1940 powershell.exe 1940 powershell.exe 4792 powershell.exe 4792 powershell.exe 3932 powershell.exe 3932 powershell.exe 3864 injector.exe 3864 injector.exe 3864 injector.exe 3864 injector.exe 3864 injector.exe 3864 injector.exe 2440 csrss.exe 2440 csrss.exe 3864 injector.exe 3864 injector.exe 3864 injector.exe 3864 injector.exe 3864 injector.exe 3864 injector.exe 2440 csrss.exe 2440 csrss.exe 3864 injector.exe 3864 injector.exe 2440 csrss.exe 2440 csrss.exe 3864 injector.exe 3864 injector.exe 3864 injector.exe 3864 injector.exe 3864 injector.exe 3864 injector.exe 3864 injector.exe 3864 injector.exe 3864 injector.exe 3864 injector.exe 3864 injector.exe 3864 injector.exe 3864 injector.exe 3864 injector.exe 3864 injector.exe 3864 injector.exe 3864 injector.exe 3864 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2460 powershell.exe Token: SeDebugPrivilege 4416 d252bd18fd3b2d9435d987fbd5148aa9aa73369f30b25acc14a2cd7c5d2642e2.exe Token: SeImpersonatePrivilege 4416 d252bd18fd3b2d9435d987fbd5148aa9aa73369f30b25acc14a2cd7c5d2642e2.exe Token: SeDebugPrivilege 4200 powershell.exe Token: SeDebugPrivilege 4556 powershell.exe Token: SeDebugPrivilege 2864 powershell.exe Token: SeDebugPrivilege 1940 powershell.exe Token: SeDebugPrivilege 4792 powershell.exe Token: SeDebugPrivilege 3932 powershell.exe Token: SeSystemEnvironmentPrivilege 2440 csrss.exe Token: SeSecurityPrivilege 1512 sc.exe Token: SeSecurityPrivilege 1512 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4416 wrote to memory of 2460 4416 d252bd18fd3b2d9435d987fbd5148aa9aa73369f30b25acc14a2cd7c5d2642e2.exe 83 PID 4416 wrote to memory of 2460 4416 d252bd18fd3b2d9435d987fbd5148aa9aa73369f30b25acc14a2cd7c5d2642e2.exe 83 PID 4416 wrote to memory of 2460 4416 d252bd18fd3b2d9435d987fbd5148aa9aa73369f30b25acc14a2cd7c5d2642e2.exe 83 PID 2364 wrote to memory of 4200 2364 d252bd18fd3b2d9435d987fbd5148aa9aa73369f30b25acc14a2cd7c5d2642e2.exe 91 PID 2364 wrote to memory of 4200 2364 d252bd18fd3b2d9435d987fbd5148aa9aa73369f30b25acc14a2cd7c5d2642e2.exe 91 PID 2364 wrote to memory of 4200 2364 d252bd18fd3b2d9435d987fbd5148aa9aa73369f30b25acc14a2cd7c5d2642e2.exe 91 PID 2364 wrote to memory of 1592 2364 d252bd18fd3b2d9435d987fbd5148aa9aa73369f30b25acc14a2cd7c5d2642e2.exe 93 PID 2364 wrote to memory of 1592 2364 d252bd18fd3b2d9435d987fbd5148aa9aa73369f30b25acc14a2cd7c5d2642e2.exe 93 PID 1592 wrote to memory of 4396 1592 cmd.exe 95 PID 1592 wrote to memory of 4396 1592 cmd.exe 95 PID 2364 wrote to memory of 4556 2364 d252bd18fd3b2d9435d987fbd5148aa9aa73369f30b25acc14a2cd7c5d2642e2.exe 96 PID 2364 wrote to memory of 4556 2364 d252bd18fd3b2d9435d987fbd5148aa9aa73369f30b25acc14a2cd7c5d2642e2.exe 96 PID 2364 wrote to memory of 4556 2364 d252bd18fd3b2d9435d987fbd5148aa9aa73369f30b25acc14a2cd7c5d2642e2.exe 96 PID 2364 wrote to memory of 2864 2364 d252bd18fd3b2d9435d987fbd5148aa9aa73369f30b25acc14a2cd7c5d2642e2.exe 98 PID 2364 wrote to memory of 2864 2364 d252bd18fd3b2d9435d987fbd5148aa9aa73369f30b25acc14a2cd7c5d2642e2.exe 98 PID 2364 wrote to memory of 2864 2364 d252bd18fd3b2d9435d987fbd5148aa9aa73369f30b25acc14a2cd7c5d2642e2.exe 98 PID 2364 wrote to memory of 2440 2364 d252bd18fd3b2d9435d987fbd5148aa9aa73369f30b25acc14a2cd7c5d2642e2.exe 100 PID 2364 wrote to memory of 2440 2364 d252bd18fd3b2d9435d987fbd5148aa9aa73369f30b25acc14a2cd7c5d2642e2.exe 100 PID 2364 wrote to memory of 2440 2364 d252bd18fd3b2d9435d987fbd5148aa9aa73369f30b25acc14a2cd7c5d2642e2.exe 100 PID 2440 wrote to memory of 1940 2440 csrss.exe 101 PID 2440 wrote to memory of 1940 2440 csrss.exe 101 PID 2440 wrote to memory of 1940 2440 csrss.exe 101 PID 2440 wrote to memory of 4792 2440 csrss.exe 106 PID 2440 wrote to memory of 4792 2440 csrss.exe 106 PID 2440 wrote to memory of 4792 2440 csrss.exe 106 PID 2440 wrote to memory of 3932 2440 csrss.exe 109 PID 2440 wrote to memory of 3932 2440 csrss.exe 109 PID 2440 wrote to memory of 3932 2440 csrss.exe 109 PID 2440 wrote to memory of 3864 2440 csrss.exe 111 PID 2440 wrote to memory of 3864 2440 csrss.exe 111 PID 4108 wrote to memory of 1592 4108 windefender.exe 117 PID 4108 wrote to memory of 1592 4108 windefender.exe 117 PID 4108 wrote to memory of 1592 4108 windefender.exe 117 PID 1592 wrote to memory of 1512 1592 cmd.exe 118 PID 1592 wrote to memory of 1512 1592 cmd.exe 118 PID 1592 wrote to memory of 1512 1592 cmd.exe 118 -
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\d252bd18fd3b2d9435d987fbd5148aa9aa73369f30b25acc14a2cd7c5d2642e2.exe"C:\Users\Admin\AppData\Local\Temp\d252bd18fd3b2d9435d987fbd5148aa9aa73369f30b25acc14a2cd7c5d2642e2.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4416 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2460
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C:\Users\Admin\AppData\Local\Temp\d252bd18fd3b2d9435d987fbd5148aa9aa73369f30b25acc14a2cd7c5d2642e2.exe"C:\Users\Admin\AppData\Local\Temp\d252bd18fd3b2d9435d987fbd5148aa9aa73369f30b25acc14a2cd7c5d2642e2.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:2364 -
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:4200
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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:1592 -
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:4396
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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:4556
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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:2864
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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:2440 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1940
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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:4980
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3840
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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:4792
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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:3932
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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:3864
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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:1964
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4108 -
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:1592 -
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:1512
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4416 -s 9562⤵
- Program crash
PID:1612
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4416 -ip 44161⤵PID:948
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2344
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
MD5a69d4fce6e88d36ff167aeb652868a6b
SHA1ba220108aa761bbf3fefcdaab8c7de85d96b7879
SHA2568546fcc8e958368ba05cac914e8e86e4be485919390df23d42aca648cc527ce9
SHA512c2ee5a9719c58b7646f04c6656bd2e852e4dc8afa98af1dbd68b7629524e7cc1303a0b6efe52d9eab752fa630ea5a6cf1f59b05413c72f95f25de83adaa75418
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD539a77b8928b7e0ece74f81c04155554b
SHA1b406defcfe8eedc4ee67a0b30a00cf402d9bb047
SHA256611761c7d59bb5ef5536f158cf089ea3d4810ef021175773ca982ecc8358dbbe
SHA512436b4bac5952486fa5c1376ac5f932022ab8e477bf874b0ef587a9e94012b3c8a58ed14686b094e7ea37708e14a980a627f97c9502bf70372ded2d8f78a2c48b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51dbc42ae177da8392a18e52184852e09
SHA18318bf180b03047fffd2689c9a697c502cbd3bf3
SHA256e7f0b78da632ea20eb5e761ffb39611c3ecf5a027bfabd30c211cd010684d611
SHA512fec0f240777c33d17d90acb2e407c8f38ac8606c348153a016be52a0b3b9d770aebf5fd65e33fe2ba272d7cee09144d945c03ea8bb0ec100135181fc8fafc6e2
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b8c42e032ade02257338e54c7ee67400
SHA1933546491d334b80e488ca9204bf3a47512a21f1
SHA2566a56139bd7559555c3b4bf712df348eae0277e46137a8cecfcd059284e172e66
SHA51246f4593468dab37a0259d28609a0c88929ec95916ff3a9fdb7b2c3640d6909c8d89f8fd35b2cda75f8710b7b6aee911ab026835c35ce57f56ab2fb1b7d79b5fd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5313a48fb349238ecfcbdd514f689ef3f
SHA1809e0db9994719292e95c5fe36ea36c175acd4df
SHA256e0038c399e95da2fd2aa4551cc1bd73dd6f035235d9e6664ddac014abf67ea18
SHA512a59197c38d6a51f0177bca21fa26a450d590a9ca3f2f56740ae2a8a2a1b2a6495232078cdee94beef4ac3140328d7e53349a4cae2c0ee12fba9559acf7dbed8b
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Filesize
4.1MB
MD5ca64b58de95a5bbd0454949ee6de15f8
SHA1dc0080c1e47097a5972570f9f7c99a4046535277
SHA256d252bd18fd3b2d9435d987fbd5148aa9aa73369f30b25acc14a2cd7c5d2642e2
SHA512a89e6deb8f06667a65cef09f9ce40abb61b339bd284174848d2213d720460e0a6b79a2068dd775f5f9fd4524f58c24f8974b3639dae0413c66fa305155f8bb91
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec