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Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20230703-en -
resource tags
arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system -
submitted
07/08/2023, 17:06
Static task
static1
General
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Target
b688088f4b435856cf9fcb9fc5af02d40d3a1883efe65eff86f8870c87e50e72.exe
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Size
4.1MB
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MD5
bcd4ff0b06587bc0198b66780ca9f4e8
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SHA1
ea43dc47968672e2a8e9f5444bd623a246565ce5
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SHA256
b688088f4b435856cf9fcb9fc5af02d40d3a1883efe65eff86f8870c87e50e72
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SHA512
e917dd5a8521598182c41db5008b4a51efab04cafd5d0b24d2f647a7c3e5301280689fd08bb8837e0690d53e26648e055c0b2d17f4db64a2c18339253791854c
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SSDEEP
98304:evBbRYPka6x9PT8epUHvwxNID21rJ2JoyTXGp7:evB9dzV8kFJ2JoyTXM7
Malware Config
Signatures
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Glupteba payload 22 IoCs
resource yara_rule behavioral1/memory/4028-134-0x0000000003FC0000-0x00000000048AB000-memory.dmp family_glupteba behavioral1/memory/4028-135-0x0000000000400000-0x0000000001C9B000-memory.dmp family_glupteba behavioral1/memory/4028-141-0x0000000000400000-0x0000000001C9B000-memory.dmp family_glupteba behavioral1/memory/4028-155-0x0000000003FC0000-0x00000000048AB000-memory.dmp family_glupteba behavioral1/memory/4028-179-0x0000000000400000-0x0000000001C9B000-memory.dmp family_glupteba behavioral1/memory/3980-187-0x0000000000400000-0x0000000001C9B000-memory.dmp family_glupteba behavioral1/memory/4028-190-0x0000000000400000-0x0000000001C9B000-memory.dmp family_glupteba behavioral1/memory/3980-200-0x0000000000400000-0x0000000001C9B000-memory.dmp family_glupteba behavioral1/memory/3980-214-0x0000000000400000-0x0000000001C9B000-memory.dmp family_glupteba behavioral1/memory/3980-235-0x0000000000400000-0x0000000001C9B000-memory.dmp family_glupteba behavioral1/memory/3980-279-0x0000000000400000-0x0000000001C9B000-memory.dmp family_glupteba behavioral1/memory/3980-283-0x0000000000400000-0x0000000001C9B000-memory.dmp family_glupteba behavioral1/memory/228-287-0x0000000003FE0000-0x00000000048CB000-memory.dmp family_glupteba behavioral1/memory/228-288-0x0000000000400000-0x0000000001C9B000-memory.dmp family_glupteba behavioral1/memory/228-332-0x0000000000400000-0x0000000001C9B000-memory.dmp family_glupteba behavioral1/memory/228-379-0x0000000000400000-0x0000000001C9B000-memory.dmp family_glupteba behavioral1/memory/228-388-0x0000000000400000-0x0000000001C9B000-memory.dmp family_glupteba behavioral1/memory/228-391-0x0000000000400000-0x0000000001C9B000-memory.dmp family_glupteba behavioral1/memory/228-394-0x0000000000400000-0x0000000001C9B000-memory.dmp family_glupteba behavioral1/memory/228-397-0x0000000000400000-0x0000000001C9B000-memory.dmp family_glupteba behavioral1/memory/228-400-0x0000000000400000-0x0000000001C9B000-memory.dmp family_glupteba behavioral1/memory/228-403-0x0000000000400000-0x0000000001C9B000-memory.dmp family_glupteba -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 4828 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 228 csrss.exe 3844 injector.exe 3712 windefender.exe 3384 windefender.exe -
resource yara_rule behavioral1/files/0x0007000000023220-383.dat upx behavioral1/files/0x0007000000023220-384.dat upx behavioral1/files/0x0007000000023220-386.dat upx behavioral1/memory/3712-387-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3384-390-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3384-399-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" b688088f4b435856cf9fcb9fc5af02d40d3a1883efe65eff86f8870c87e50e72.exe Set value (str) \REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
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 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 File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log 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 b688088f4b435856cf9fcb9fc5af02d40d3a1883efe65eff86f8870c87e50e72.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss b688088f4b435856cf9fcb9fc5af02d40d3a1883efe65eff86f8870c87e50e72.exe File created C:\Windows\rss\csrss.exe b688088f4b435856cf9fcb9fc5af02d40d3a1883efe65eff86f8870c87e50e72.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 4172 sc.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4776 schtasks.exe 2860 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time" b688088f4b435856cf9fcb9fc5af02d40d3a1883efe65eff86f8870c87e50e72.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\1e\52C64B7E\@tzres.dll,-2491 = "Aus Central W. Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-92 = "Pacific SA Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time" b688088f4b435856cf9fcb9fc5af02d40d3a1883efe65eff86f8870c87e50e72.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" b688088f4b435856cf9fcb9fc5af02d40d3a1883efe65eff86f8870c87e50e72.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-215 = "Pacific Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" b688088f4b435856cf9fcb9fc5af02d40d3a1883efe65eff86f8870c87e50e72.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2791 = "Novosibirsk Daylight Time" b688088f4b435856cf9fcb9fc5af02d40d3a1883efe65eff86f8870c87e50e72.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time" b688088f4b435856cf9fcb9fc5af02d40d3a1883efe65eff86f8870c87e50e72.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time" b688088f4b435856cf9fcb9fc5af02d40d3a1883efe65eff86f8870c87e50e72.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.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\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time" b688088f4b435856cf9fcb9fc5af02d40d3a1883efe65eff86f8870c87e50e72.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time" b688088f4b435856cf9fcb9fc5af02d40d3a1883efe65eff86f8870c87e50e72.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-492 = "India Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-691 = "Tasmania Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates 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\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" b688088f4b435856cf9fcb9fc5af02d40d3a1883efe65eff86f8870c87e50e72.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time" b688088f4b435856cf9fcb9fc5af02d40d3a1883efe65eff86f8870c87e50e72.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 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\1e\52C64B7E\@tzres.dll,-911 = "Mauritius Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-182 = "Mountain Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time" b688088f4b435856cf9fcb9fc5af02d40d3a1883efe65eff86f8870c87e50e72.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" b688088f4b435856cf9fcb9fc5af02d40d3a1883efe65eff86f8870c87e50e72.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs 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\1e\52C64B7E\@tzres.dll,-331 = "E. Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time" b688088f4b435856cf9fcb9fc5af02d40d3a1883efe65eff86f8870c87e50e72.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople 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\1e\52C64B7E\@tzres.dll,-172 = "Central Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time" b688088f4b435856cf9fcb9fc5af02d40d3a1883efe65eff86f8870c87e50e72.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" b688088f4b435856cf9fcb9fc5af02d40d3a1883efe65eff86f8870c87e50e72.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1912 = "Russia TZ 10 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1932 = "Russia TZ 11 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time" b688088f4b435856cf9fcb9fc5af02d40d3a1883efe65eff86f8870c87e50e72.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-384 = "Namibia Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2892 = "Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time" b688088f4b435856cf9fcb9fc5af02d40d3a1883efe65eff86f8870c87e50e72.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time" b688088f4b435856cf9fcb9fc5af02d40d3a1883efe65eff86f8870c87e50e72.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-652 = "AUS Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-672 = "AUS Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-362 = "GTB Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-462 = "Afghanistan Standard 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\1e\52C64B7E\@tzres.dll,-571 = "China Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time" b688088f4b435856cf9fcb9fc5af02d40d3a1883efe65eff86f8870c87e50e72.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2600 powershell.exe 2600 powershell.exe 4028 b688088f4b435856cf9fcb9fc5af02d40d3a1883efe65eff86f8870c87e50e72.exe 4028 b688088f4b435856cf9fcb9fc5af02d40d3a1883efe65eff86f8870c87e50e72.exe 4356 powershell.exe 4356 powershell.exe 3980 b688088f4b435856cf9fcb9fc5af02d40d3a1883efe65eff86f8870c87e50e72.exe 3980 b688088f4b435856cf9fcb9fc5af02d40d3a1883efe65eff86f8870c87e50e72.exe 3980 b688088f4b435856cf9fcb9fc5af02d40d3a1883efe65eff86f8870c87e50e72.exe 3980 b688088f4b435856cf9fcb9fc5af02d40d3a1883efe65eff86f8870c87e50e72.exe 3980 b688088f4b435856cf9fcb9fc5af02d40d3a1883efe65eff86f8870c87e50e72.exe 3980 b688088f4b435856cf9fcb9fc5af02d40d3a1883efe65eff86f8870c87e50e72.exe 3980 b688088f4b435856cf9fcb9fc5af02d40d3a1883efe65eff86f8870c87e50e72.exe 3980 b688088f4b435856cf9fcb9fc5af02d40d3a1883efe65eff86f8870c87e50e72.exe 3980 b688088f4b435856cf9fcb9fc5af02d40d3a1883efe65eff86f8870c87e50e72.exe 3980 b688088f4b435856cf9fcb9fc5af02d40d3a1883efe65eff86f8870c87e50e72.exe 652 powershell.exe 652 powershell.exe 2612 powershell.exe 2612 powershell.exe 1480 powershell.exe 1480 powershell.exe 4420 powershell.exe 4420 powershell.exe 1592 powershell.exe 1592 powershell.exe 3844 injector.exe 3844 injector.exe 3844 injector.exe 3844 injector.exe 3844 injector.exe 3844 injector.exe 228 csrss.exe 228 csrss.exe 3844 injector.exe 3844 injector.exe 3844 injector.exe 3844 injector.exe 3844 injector.exe 3844 injector.exe 228 csrss.exe 228 csrss.exe 3844 injector.exe 3844 injector.exe 228 csrss.exe 228 csrss.exe 3844 injector.exe 3844 injector.exe 3844 injector.exe 3844 injector.exe 3844 injector.exe 3844 injector.exe 3844 injector.exe 3844 injector.exe 3844 injector.exe 3844 injector.exe 3844 injector.exe 3844 injector.exe 3844 injector.exe 3844 injector.exe 3844 injector.exe 3844 injector.exe 3844 injector.exe 3844 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2600 powershell.exe Token: SeDebugPrivilege 4028 b688088f4b435856cf9fcb9fc5af02d40d3a1883efe65eff86f8870c87e50e72.exe Token: SeImpersonatePrivilege 4028 b688088f4b435856cf9fcb9fc5af02d40d3a1883efe65eff86f8870c87e50e72.exe Token: SeDebugPrivilege 4356 powershell.exe Token: SeDebugPrivilege 652 powershell.exe Token: SeDebugPrivilege 2612 powershell.exe Token: SeDebugPrivilege 1480 powershell.exe Token: SeDebugPrivilege 4420 powershell.exe Token: SeDebugPrivilege 1592 powershell.exe Token: SeSystemEnvironmentPrivilege 228 csrss.exe Token: SeSecurityPrivilege 4172 sc.exe Token: SeSecurityPrivilege 4172 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4028 wrote to memory of 2600 4028 b688088f4b435856cf9fcb9fc5af02d40d3a1883efe65eff86f8870c87e50e72.exe 88 PID 4028 wrote to memory of 2600 4028 b688088f4b435856cf9fcb9fc5af02d40d3a1883efe65eff86f8870c87e50e72.exe 88 PID 4028 wrote to memory of 2600 4028 b688088f4b435856cf9fcb9fc5af02d40d3a1883efe65eff86f8870c87e50e72.exe 88 PID 3980 wrote to memory of 4356 3980 b688088f4b435856cf9fcb9fc5af02d40d3a1883efe65eff86f8870c87e50e72.exe 94 PID 3980 wrote to memory of 4356 3980 b688088f4b435856cf9fcb9fc5af02d40d3a1883efe65eff86f8870c87e50e72.exe 94 PID 3980 wrote to memory of 4356 3980 b688088f4b435856cf9fcb9fc5af02d40d3a1883efe65eff86f8870c87e50e72.exe 94 PID 3980 wrote to memory of 1476 3980 b688088f4b435856cf9fcb9fc5af02d40d3a1883efe65eff86f8870c87e50e72.exe 97 PID 3980 wrote to memory of 1476 3980 b688088f4b435856cf9fcb9fc5af02d40d3a1883efe65eff86f8870c87e50e72.exe 97 PID 1476 wrote to memory of 4828 1476 cmd.exe 99 PID 1476 wrote to memory of 4828 1476 cmd.exe 99 PID 3980 wrote to memory of 652 3980 b688088f4b435856cf9fcb9fc5af02d40d3a1883efe65eff86f8870c87e50e72.exe 100 PID 3980 wrote to memory of 652 3980 b688088f4b435856cf9fcb9fc5af02d40d3a1883efe65eff86f8870c87e50e72.exe 100 PID 3980 wrote to memory of 652 3980 b688088f4b435856cf9fcb9fc5af02d40d3a1883efe65eff86f8870c87e50e72.exe 100 PID 3980 wrote to memory of 2612 3980 b688088f4b435856cf9fcb9fc5af02d40d3a1883efe65eff86f8870c87e50e72.exe 102 PID 3980 wrote to memory of 2612 3980 b688088f4b435856cf9fcb9fc5af02d40d3a1883efe65eff86f8870c87e50e72.exe 102 PID 3980 wrote to memory of 2612 3980 b688088f4b435856cf9fcb9fc5af02d40d3a1883efe65eff86f8870c87e50e72.exe 102 PID 3980 wrote to memory of 228 3980 b688088f4b435856cf9fcb9fc5af02d40d3a1883efe65eff86f8870c87e50e72.exe 104 PID 3980 wrote to memory of 228 3980 b688088f4b435856cf9fcb9fc5af02d40d3a1883efe65eff86f8870c87e50e72.exe 104 PID 3980 wrote to memory of 228 3980 b688088f4b435856cf9fcb9fc5af02d40d3a1883efe65eff86f8870c87e50e72.exe 104 PID 228 wrote to memory of 1480 228 csrss.exe 105 PID 228 wrote to memory of 1480 228 csrss.exe 105 PID 228 wrote to memory of 1480 228 csrss.exe 105 PID 228 wrote to memory of 4420 228 csrss.exe 110 PID 228 wrote to memory of 4420 228 csrss.exe 110 PID 228 wrote to memory of 4420 228 csrss.exe 110 PID 228 wrote to memory of 1592 228 csrss.exe 113 PID 228 wrote to memory of 1592 228 csrss.exe 113 PID 228 wrote to memory of 1592 228 csrss.exe 113 PID 228 wrote to memory of 3844 228 csrss.exe 115 PID 228 wrote to memory of 3844 228 csrss.exe 115 PID 3712 wrote to memory of 3936 3712 windefender.exe 121 PID 3712 wrote to memory of 3936 3712 windefender.exe 121 PID 3712 wrote to memory of 3936 3712 windefender.exe 121 PID 3936 wrote to memory of 4172 3936 cmd.exe 122 PID 3936 wrote to memory of 4172 3936 cmd.exe 122 PID 3936 wrote to memory of 4172 3936 cmd.exe 122
Processes
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C:\Users\Admin\AppData\Local\Temp\b688088f4b435856cf9fcb9fc5af02d40d3a1883efe65eff86f8870c87e50e72.exe"C:\Users\Admin\AppData\Local\Temp\b688088f4b435856cf9fcb9fc5af02d40d3a1883efe65eff86f8870c87e50e72.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4028 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2600
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C:\Users\Admin\AppData\Local\Temp\b688088f4b435856cf9fcb9fc5af02d40d3a1883efe65eff86f8870c87e50e72.exe"C:\Users\Admin\AppData\Local\Temp\b688088f4b435856cf9fcb9fc5af02d40d3a1883efe65eff86f8870c87e50e72.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:3980 -
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:4356
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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:1476 -
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:4828
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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:652
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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:2612
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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:228 -
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:1480
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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:4776
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3472
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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:4420
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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:1592
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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:3844
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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:2860
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3712 -
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:3936 -
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:4172
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3384
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
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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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
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50dfb662a91eee0f510228f4487b3fc0f
SHA1781a5fd09b92bb7755bf4e5d710af3cd837a4a54
SHA2563b3e6e91c5251663e62d9e5c40fc9cc18af110174faced74cbbd1397af00b4e2
SHA51234a9268b355dc25bb159e0266fc082df80071b7d287857c8a357d142520c95779ff6f065c5eed46d7f2032b0d08670b3e1d81854096a5f401578d04325b592fb
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50a9d22a2706bef7c7d58e55831539220
SHA18116230c8d7dbcd4410c994f47e6ab69a4c304ca
SHA2566f32ad9844360d18ba7645a56a1285cc42038d4b69a404c0e0317ea053bab747
SHA512a0aa7334f5728b74a6bc4bca805ee68ca1e36b23449e8ab5bde04fd88cafdb1e38f1dccc3241f57fce64fc5486553c0aeabd0389759688c6cb183f20b89a2360
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a9e095225d0a1dadff26c51ab730087f
SHA129900d89be7c995d55320b945603ec20751eb0db
SHA256adfa132a9c34f20248504dd8bd787c317c9faaff43967a47dcc040bf3151c64d
SHA512c216a9a9c0cdf556f8f05f0b6fd93d51073e6900082be58d00522c897650ecb7b84a4aeda253ac88831ea3c5795beccdb240076d8cbd13bb80f4ac7c8a0416bd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5733b9f401a1f8963bd15372130f52e61
SHA1da54052c6f4b7ab1bc958932ba31dfa8566f2a3b
SHA25693eca6c48449b51564ca038e717fa27b9fa2c0cd9cf635dde34242403385bb81
SHA512c423bad9979b773917447cb2baa7699f997dbe7c7be5f13ca3ec9ccd06d22cfb335efd56c0e854c09720a34f8af24d265766df049545b43d13a8c219c376a73d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56f3ec7b59a813ba7332e8b5e1a2585f6
SHA154b9366420b8ff8b2fcfaad96c8a05203beba57e
SHA256b1c00b28509297ccc141406c2c5a4dced44200af8fa1d808cadba7edd68a346c
SHA512aa87af1ce72d772e6c822a06c4e57b7455806a2a1a3c446ecc32fbacf3bde1efe2f3de2a0d43cd0561512d823402d011e77d70e4b5d3d534109633efc6b58dcf
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Filesize
4.1MB
MD5bcd4ff0b06587bc0198b66780ca9f4e8
SHA1ea43dc47968672e2a8e9f5444bd623a246565ce5
SHA256b688088f4b435856cf9fcb9fc5af02d40d3a1883efe65eff86f8870c87e50e72
SHA512e917dd5a8521598182c41db5008b4a51efab04cafd5d0b24d2f647a7c3e5301280689fd08bb8837e0690d53e26648e055c0b2d17f4db64a2c18339253791854c
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Filesize
4.1MB
MD5bcd4ff0b06587bc0198b66780ca9f4e8
SHA1ea43dc47968672e2a8e9f5444bd623a246565ce5
SHA256b688088f4b435856cf9fcb9fc5af02d40d3a1883efe65eff86f8870c87e50e72
SHA512e917dd5a8521598182c41db5008b4a51efab04cafd5d0b24d2f647a7c3e5301280689fd08bb8837e0690d53e26648e055c0b2d17f4db64a2c18339253791854c
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec