Analysis
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max time kernel
150s -
max time network
131s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
16/05/2024, 19:35
Static task
static1
Behavioral task
behavioral1
Sample
dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.exe
Resource
win10v2004-20240508-en
General
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Target
dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.exe
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Size
4.1MB
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MD5
106c01ee4708203217f6f876e01a80fc
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SHA1
41ac4b60dd67ec71d2b9541f7ca840c19dc87294
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SHA256
dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f
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SHA512
3c0b0a3ba432a5bb8a53d8a4876642f8f272b96e40bf1c169098bc40a23deb327f17071d48137e3371ac86904e1b29e677b193324afb73cac1026a0c77e54b01
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SSDEEP
98304:3jrHiscAnk4Z0f7mBZCfuP+pmwVLETOu5PKDHvrjVgO2O:Trhn/yCBZkM+pB3dzn
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral2/memory/3004-2-0x0000000002E70000-0x000000000375B000-memory.dmp family_glupteba behavioral2/memory/3004-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3004-73-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3004-75-0x0000000002E70000-0x000000000375B000-memory.dmp family_glupteba behavioral2/memory/4772-120-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4772-183-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4592-196-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4592-210-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4592-216-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4592-220-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4592-225-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4592-229-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4592-233-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4592-236-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4592-241-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4592-245-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4592-249-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4592-252-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3544 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4592 csrss.exe 4316 injector.exe 2376 windefender.exe 2824 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a9e4-206.dat upx behavioral2/memory/2376-207-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2824-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2376-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2824-217-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2824-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2457560273-69882387-977367775-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.exe Set value (str) \REGISTRY\USER\S-1-5-21-2457560273-69882387-977367775-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.exe File created C:\Windows\rss\csrss.exe dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.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 3388 sc.exe -
pid Process 1516 powershell.exe 4072 powershell.exe 2464 powershell.exe 2680 powershell.exe 4876 powershell.exe 1100 powershell.exe 1632 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 2780 schtasks.exe 2088 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\@tzres.dll,-191 = "Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-211 = "Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2842 = "Saratov Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time" dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-441 = "Arabian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-42 = "E. South America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2872 = "Magallanes Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-692 = "Tasmania Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-131 = "US Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\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,-1892 = "Russia TZ 3 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-221 = "Alaskan Daylight Time" dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time" dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time" dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time" dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time" dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-132 = "US Eastern Standard Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs 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,-401 = "Arabic Daylight 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,-82 = "Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-161 = "Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time" dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.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" dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.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\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time" dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time" dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs 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,-1972 = "Belarus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time" dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.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\2a\52C64B7E\@tzres.dll,-361 = "GTB Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot 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\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time" dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.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 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,-3141 = "South Sudan Daylight Time" windefender.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 (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time" dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time" dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed 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\@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" windefender.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,-462 = "Afghanistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-402 = "Arabic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-571 = "China Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-681 = "E. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1100 powershell.exe 1100 powershell.exe 3004 dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.exe 3004 dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.exe 1632 powershell.exe 1632 powershell.exe 4772 dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.exe 4772 dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.exe 4772 dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.exe 4772 dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.exe 4772 dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.exe 4772 dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.exe 4772 dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.exe 4772 dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.exe 4772 dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.exe 4772 dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.exe 1516 powershell.exe 1516 powershell.exe 4072 powershell.exe 4072 powershell.exe 2464 powershell.exe 2464 powershell.exe 2680 powershell.exe 2680 powershell.exe 4876 powershell.exe 4876 powershell.exe 4316 injector.exe 4316 injector.exe 4316 injector.exe 4316 injector.exe 4316 injector.exe 4316 injector.exe 4592 csrss.exe 4592 csrss.exe 4316 injector.exe 4316 injector.exe 4316 injector.exe 4316 injector.exe 4316 injector.exe 4316 injector.exe 4592 csrss.exe 4592 csrss.exe 4316 injector.exe 4316 injector.exe 4316 injector.exe 4316 injector.exe 4592 csrss.exe 4592 csrss.exe 4316 injector.exe 4316 injector.exe 4316 injector.exe 4316 injector.exe 4316 injector.exe 4316 injector.exe 4316 injector.exe 4316 injector.exe 4316 injector.exe 4316 injector.exe 4316 injector.exe 4316 injector.exe 4316 injector.exe 4316 injector.exe 4316 injector.exe 4316 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1100 powershell.exe Token: SeDebugPrivilege 3004 dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.exe Token: SeImpersonatePrivilege 3004 dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.exe Token: SeDebugPrivilege 1632 powershell.exe Token: SeDebugPrivilege 1516 powershell.exe Token: SeDebugPrivilege 4072 powershell.exe Token: SeDebugPrivilege 2464 powershell.exe Token: SeDebugPrivilege 2680 powershell.exe Token: SeDebugPrivilege 4876 powershell.exe Token: SeSystemEnvironmentPrivilege 4592 csrss.exe Token: SeSecurityPrivilege 3388 sc.exe Token: SeSecurityPrivilege 3388 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3004 wrote to memory of 1100 3004 dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.exe 78 PID 3004 wrote to memory of 1100 3004 dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.exe 78 PID 3004 wrote to memory of 1100 3004 dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.exe 78 PID 4772 wrote to memory of 1632 4772 dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.exe 83 PID 4772 wrote to memory of 1632 4772 dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.exe 83 PID 4772 wrote to memory of 1632 4772 dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.exe 83 PID 4772 wrote to memory of 3148 4772 dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.exe 85 PID 4772 wrote to memory of 3148 4772 dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.exe 85 PID 3148 wrote to memory of 3544 3148 cmd.exe 87 PID 3148 wrote to memory of 3544 3148 cmd.exe 87 PID 4772 wrote to memory of 1516 4772 dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.exe 88 PID 4772 wrote to memory of 1516 4772 dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.exe 88 PID 4772 wrote to memory of 1516 4772 dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.exe 88 PID 4772 wrote to memory of 4072 4772 dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.exe 90 PID 4772 wrote to memory of 4072 4772 dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.exe 90 PID 4772 wrote to memory of 4072 4772 dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.exe 90 PID 4772 wrote to memory of 4592 4772 dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.exe 92 PID 4772 wrote to memory of 4592 4772 dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.exe 92 PID 4772 wrote to memory of 4592 4772 dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.exe 92 PID 4592 wrote to memory of 2464 4592 csrss.exe 93 PID 4592 wrote to memory of 2464 4592 csrss.exe 93 PID 4592 wrote to memory of 2464 4592 csrss.exe 93 PID 4592 wrote to memory of 2680 4592 csrss.exe 98 PID 4592 wrote to memory of 2680 4592 csrss.exe 98 PID 4592 wrote to memory of 2680 4592 csrss.exe 98 PID 4592 wrote to memory of 4876 4592 csrss.exe 101 PID 4592 wrote to memory of 4876 4592 csrss.exe 101 PID 4592 wrote to memory of 4876 4592 csrss.exe 101 PID 4592 wrote to memory of 4316 4592 csrss.exe 103 PID 4592 wrote to memory of 4316 4592 csrss.exe 103 PID 2376 wrote to memory of 1156 2376 windefender.exe 109 PID 2376 wrote to memory of 1156 2376 windefender.exe 109 PID 2376 wrote to memory of 1156 2376 windefender.exe 109 PID 1156 wrote to memory of 3388 1156 cmd.exe 110 PID 1156 wrote to memory of 3388 1156 cmd.exe 110 PID 1156 wrote to memory of 3388 1156 cmd.exe 110 -
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\dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.exe"C:\Users\Admin\AppData\Local\Temp\dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3004 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1100
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C:\Users\Admin\AppData\Local\Temp\dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.exe"C:\Users\Admin\AppData\Local\Temp\dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f.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:4772 -
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:1632
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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:3148 -
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:3544
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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:1516
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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:4072
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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:4592 -
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:2464
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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:2780
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2800
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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:2680
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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:4876
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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:4316
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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:2088
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2376 -
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:1156 -
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:3388
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2824
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
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5cef29f48c43dac4d2dd0b5d143a27903
SHA15b6ae8bea85ef54ad2c6219d168583c1b1ab93b7
SHA256ae4f03d1915e27d36a74b31bdf6f34286ed0218600203e1f1130b46a349e2a56
SHA512b706757ddb137c38a7871da4b1a02d7e66cab46fb670264f581021b6ea3445d1b7794b80c48b7747c83b90f049e8de7af165ad6160781dc64c36ac6031a3c8fb
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50cd0b652d1bfd98e69ad60a8a7cee879
SHA1e141e0314930d22d60f2f7542fe1e3f9a30e2c9c
SHA256318bbfe1940bfba7587ee438427a4652503807cde1696728607545bdcd96e974
SHA512236e9ee93963cf682dffdffeb8de3ba194e0420e09d8e31854c07ae75eb923e5e733c5eaae3662132d68e92b311b602958b9f0e71f17f84b0c846ccb5b903508
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53a80f9b2cb9902600d542d03fb9717f9
SHA146b61e2dd57d34823b566b83eb522ee8a2ad8bfb
SHA25615e6424476f94c3b8bd7788a3c2da8cb25388a08ed47aa04fc3006603171708b
SHA51253082d15fb47dac02c775d3588367fa74f51264c514f448059d0482f7de3f01fed49286636428cc92839fa12d7b9027dd1d353ed24db30c609acb16a3d9af631
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5753d765eee01c4937e385703e824c0a7
SHA19cf6cbc0ddcecd8e8daa53da701650ce9a6e7926
SHA2564cc7525c456d1e074b0913128e48fff32b54acbc2c6bdf58b99ff3c0c1b571db
SHA512907cdb9e444e11c57cff95b243ef72c4811abc9166d8327d76c846c5f32833ddea47b905e203d2f4dda2e54978b04954c5022fb88ca662c11e9d93e0a67c1a3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5faf44729e07892b649d6da7aada5c0b2
SHA1574507fdcaf4e8ad6af264b283febcae94306683
SHA25696f33a93ff3e929300a6ed56e7575370ca447493c175d54481e59469fc95eacf
SHA5122c017f59e44db47f7e5a04eb48dca7039ac8b4bf1c3b96b1ec8d9fde824fdee733eef5a34d02a6dce9c1e4ba23b544076bf42db22c9ec2c3ce4a6e5baf0425ea
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Filesize
4.1MB
MD5106c01ee4708203217f6f876e01a80fc
SHA141ac4b60dd67ec71d2b9541f7ca840c19dc87294
SHA256dd26caa2fca7809e6e9732ddfcb7df266f12e5eac410bdab912dd0318f79b69f
SHA5123c0b0a3ba432a5bb8a53d8a4876642f8f272b96e40bf1c169098bc40a23deb327f17071d48137e3371ac86904e1b29e677b193324afb73cac1026a0c77e54b01
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec