Analysis
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max time kernel
149s -
max time network
136s -
platform
windows11-21h2_x64 -
resource
win11-20240412-en -
resource tags
arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system -
submitted
19/04/2024, 22:44
Static task
static1
Behavioral task
behavioral1
Sample
8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe
Resource
win10v2004-20240412-en
General
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Target
8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe
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Size
4.2MB
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MD5
b413116e9122e54828de168502cf3316
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SHA1
75b3d573fa4ffaed32d1aeaa548b9db874ccf277
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SHA256
8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24
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SHA512
f6bc90690e144c0c2bc951d64bbc16c653d50cd7c3f939849c992aa176ed27e6b6f651388a7cebedf5bdb0ff150023b2ba5f89768ecacf7dfe76448538e15004
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SSDEEP
98304:v/40EOOAEftLoGWLNDgTXMgGOTrFzBqlMJaGItfGo:ndVQtLoTZDg5GO9Bqlcg
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral2/memory/2856-2-0x00000000040F0000-0x00000000049DB000-memory.dmp family_glupteba behavioral2/memory/2856-3-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/2856-51-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/2856-54-0x00000000040F0000-0x00000000049DB000-memory.dmp family_glupteba behavioral2/memory/772-55-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/772-137-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/772-148-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/3224-239-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/3224-245-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/3224-253-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/3224-255-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/3224-257-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/3224-259-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/3224-261-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/3224-263-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/3224-265-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/3224-267-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/3224-269-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/3224-271-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/3224-273-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4884 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3224 csrss.exe 4708 injector.exe 5116 windefender.exe 2272 windefender.exe -
resource yara_rule behavioral2/files/0x000100000002aa41-248.dat upx behavioral2/memory/5116-252-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2272-254-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2272-258-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2272-264-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2718508534-2116753757-2794822388-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe Set value (str) \REGISTRY\USER\S-1-5-21-2718508534-2116753757-2794822388-1000\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 8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe File created C:\Windows\rss\csrss.exe 8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 1172 sc.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 1604 772 WerFault.exe 85 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2020 schtasks.exe 4080 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-511 = "Central Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-681 = "E. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" 8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-651 = "AUS Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1472 = "Magadan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" 8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-462 = "Afghanistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-182 = "Mountain Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time" 8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" 8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" 8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-232 = "Hawaiian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-532 = "Sri Lanka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time" 8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time" 8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time" 8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time" 8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1832 = "Russia TZ 2 Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" 8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time" 8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time" 8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time" 8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" 8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time" 8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-152 = "Central America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time" 8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" 8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" 8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-451 = "Caucasus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-722 = "Central Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2392 = "Aleutian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-82 = "Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time" 8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates 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\26\52C64B7E\@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time" 8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time" 8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-41 = "E. South America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-131 = "US Eastern Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2342 = "Haiti Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-334 = "Jordan Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2168 powershell.exe 2168 powershell.exe 2856 8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe 2856 8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe 3792 powershell.exe 3792 powershell.exe 772 8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe 772 8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe 772 8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe 772 8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe 772 8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe 772 8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe 772 8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe 772 8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe 772 8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe 772 8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe 3948 powershell.exe 3948 powershell.exe 1772 powershell.exe 1772 powershell.exe 4924 powershell.exe 4924 powershell.exe 2580 powershell.exe 2580 powershell.exe 2424 powershell.exe 2424 powershell.exe 4708 injector.exe 4708 injector.exe 4708 injector.exe 4708 injector.exe 4708 injector.exe 4708 injector.exe 3224 csrss.exe 3224 csrss.exe 4708 injector.exe 4708 injector.exe 4708 injector.exe 4708 injector.exe 4708 injector.exe 4708 injector.exe 3224 csrss.exe 3224 csrss.exe 4708 injector.exe 4708 injector.exe 4708 injector.exe 4708 injector.exe 4708 injector.exe 4708 injector.exe 3224 csrss.exe 3224 csrss.exe 4708 injector.exe 4708 injector.exe 4708 injector.exe 4708 injector.exe 4708 injector.exe 4708 injector.exe 4708 injector.exe 4708 injector.exe 4708 injector.exe 4708 injector.exe 4708 injector.exe 4708 injector.exe 4708 injector.exe 4708 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2168 powershell.exe Token: SeDebugPrivilege 2856 8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe Token: SeImpersonatePrivilege 2856 8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe Token: SeDebugPrivilege 3792 powershell.exe Token: SeDebugPrivilege 3948 powershell.exe Token: SeDebugPrivilege 1772 powershell.exe Token: SeDebugPrivilege 4924 powershell.exe Token: SeDebugPrivilege 2580 powershell.exe Token: SeDebugPrivilege 2424 powershell.exe Token: SeSystemEnvironmentPrivilege 3224 csrss.exe Token: SeSecurityPrivilege 1172 sc.exe Token: SeSecurityPrivilege 1172 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2856 wrote to memory of 2168 2856 8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe 81 PID 2856 wrote to memory of 2168 2856 8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe 81 PID 2856 wrote to memory of 2168 2856 8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe 81 PID 772 wrote to memory of 3792 772 8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe 86 PID 772 wrote to memory of 3792 772 8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe 86 PID 772 wrote to memory of 3792 772 8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe 86 PID 772 wrote to memory of 2340 772 8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe 88 PID 772 wrote to memory of 2340 772 8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe 88 PID 2340 wrote to memory of 4884 2340 cmd.exe 90 PID 2340 wrote to memory of 4884 2340 cmd.exe 90 PID 772 wrote to memory of 3948 772 8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe 91 PID 772 wrote to memory of 3948 772 8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe 91 PID 772 wrote to memory of 3948 772 8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe 91 PID 772 wrote to memory of 1772 772 8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe 93 PID 772 wrote to memory of 1772 772 8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe 93 PID 772 wrote to memory of 1772 772 8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe 93 PID 772 wrote to memory of 3224 772 8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe 95 PID 772 wrote to memory of 3224 772 8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe 95 PID 772 wrote to memory of 3224 772 8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe 95 PID 3224 wrote to memory of 4924 3224 csrss.exe 99 PID 3224 wrote to memory of 4924 3224 csrss.exe 99 PID 3224 wrote to memory of 4924 3224 csrss.exe 99 PID 3224 wrote to memory of 2580 3224 csrss.exe 104 PID 3224 wrote to memory of 2580 3224 csrss.exe 104 PID 3224 wrote to memory of 2580 3224 csrss.exe 104 PID 3224 wrote to memory of 2424 3224 csrss.exe 107 PID 3224 wrote to memory of 2424 3224 csrss.exe 107 PID 3224 wrote to memory of 2424 3224 csrss.exe 107 PID 3224 wrote to memory of 4708 3224 csrss.exe 109 PID 3224 wrote to memory of 4708 3224 csrss.exe 109 PID 5116 wrote to memory of 3396 5116 windefender.exe 118 PID 5116 wrote to memory of 3396 5116 windefender.exe 118 PID 5116 wrote to memory of 3396 5116 windefender.exe 118 PID 3396 wrote to memory of 1172 3396 cmd.exe 119 PID 3396 wrote to memory of 1172 3396 cmd.exe 119 PID 3396 wrote to memory of 1172 3396 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\8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe"C:\Users\Admin\AppData\Local\Temp\8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2856 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2168
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C:\Users\Admin\AppData\Local\Temp\8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe"C:\Users\Admin\AppData\Local\Temp\8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.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:772 -
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:3792
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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:2340 -
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:4884
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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:3948
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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:1772
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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:3224 -
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:4924
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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:2020
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3592
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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:2580
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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:2424
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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:4708
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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:4080
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:5116 -
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:3396 -
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:1172
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 772 -s 7403⤵
- Program crash
PID:1604
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 772 -ip 7721⤵PID:4960
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2272
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
MD5933e1cb4f8b916bc7293241d3e79123b
SHA10e844fbeb427cb483ef2cd82bb1467bc099b5ac7
SHA2566bc8883774e9728cfb29a01450fb27bbe896c5bffdd75f5f4d31f134b9ff10b8
SHA5124f6e1519877769120026f3e06a9ab838202f0526683edd75e1b4d8f973bdb798e4d5df95bce022520a428690ec367520fa916b0fb4070cfba3cf59354cba4d37
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD586f4c5df68fc976011d9e978ac68aefe
SHA1128119f6ca2f0b7cb3d94528ad248c8f9f6b76a6
SHA2561757a052f97afee726bf346d7be4f16c25858f3b4d4db994bae6a78d7495f9ca
SHA5129f9a9ead691ca025022bf1cb67d5245802f9b5e3a00e012d04ae54af0979707b9468166ceb65ef8ec2f4c3f29ae649af7bb6929b4e32fa28b0ca3cd3277be474
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD595bd15b96c5f02b1ae769b920a607083
SHA17f7a9e14940927d20e72ef07b7b2573585e0989d
SHA256e280f0c6fe26564ebc5b1392e8178b9a33f0f200bc26d8f488de7a56463d2393
SHA512c7670dc94dc03a50a8161fd5b7845ace44968e473d2b07420838a9ee348212c277054c97135b5e2074696156aa46bd1461b6026d45fa6a532945b68967fe65b5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5238509234f06082ccb7dfd5c106dd32f
SHA10ea8e4bef414306f2789a9f111c1a662df544abb
SHA256e6b11dc52273e4549d07fcce091359080adcba125ccb49125bdcb11d10b76d8d
SHA512d8fdd311b1ee908540b8c3ad6813a179cdc89963c79eb275f061e87d070f8a6915b09bbe7065405d899e0b96a948b7d5d286c50dde0f82686a9419f72a2c87c0
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5504044f6c90c04de2b95ce25c4f484e4
SHA1318360f98f843112bf30fc945ef643cf527a7691
SHA256a0b2e34f20ae376f0f25be1db7473f56595f184fdb62381b244c10b56bf9d593
SHA5124ab0bb30620cc31b1fba6a75e72f7fad033ba9a3db215f484fc65599a27e66837406f34320b302b8d2a1529975ecd6b1cf7aadfc131bd7e7a9e32b2db24fff9a
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Filesize
4.2MB
MD5b413116e9122e54828de168502cf3316
SHA175b3d573fa4ffaed32d1aeaa548b9db874ccf277
SHA2568faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24
SHA512f6bc90690e144c0c2bc951d64bbc16c653d50cd7c3f939849c992aa176ed27e6b6f651388a7cebedf5bdb0ff150023b2ba5f89768ecacf7dfe76448538e15004
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec