Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
18-04-2024 15:20
Static task
static1
Behavioral task
behavioral1
Sample
029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890.exe
Resource
win10v2004-20240412-en
General
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Target
029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890.exe
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Size
4.2MB
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MD5
32f34de12ff0a772c4d7c319ed65b823
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SHA1
dee66ee06d8b6aa4d0fb42b82a823b76ae95ead3
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SHA256
029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890
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SHA512
4426123a1e0a2e262cc981828bc50861a11b9e8d09ae5b0868efd4132e795ad24a2b034affbb30054521e862ac959dd869d1c8b25f71369678dac11e00bee71a
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SSDEEP
98304:HyIUBtT3vGjRwVZEzEjsPLznWUK1X0T/YCy4x:SIUBxmMa1PLbWoT/vy6
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/64-2-0x00000000051B0000-0x0000000005A9B000-memory.dmp family_glupteba behavioral1/memory/64-3-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral1/memory/64-55-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral1/memory/64-56-0x00000000051B0000-0x0000000005A9B000-memory.dmp family_glupteba behavioral1/memory/4144-58-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral1/memory/4144-196-0x00000000033D0000-0x00000000037D7000-memory.dmp family_glupteba behavioral1/memory/4144-222-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral1/memory/4144-231-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral1/memory/2296-330-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral1/memory/2296-344-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral1/memory/2296-345-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral1/memory/2296-347-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral1/memory/2296-349-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral1/memory/2296-351-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral1/memory/2296-353-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral1/memory/2296-356-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral1/memory/2296-357-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral1/memory/2296-359-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral1/memory/2296-361-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 716 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2296 csrss.exe 3456 injector.exe 5068 windefender.exe 4412 windefender.exe -
resource yara_rule behavioral1/files/0x0008000000023421-338.dat upx behavioral1/memory/5068-343-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4412-346-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4412-350-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1132431369-515282257-1998160155-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890.exe Set value (str) \REGISTRY\USER\S-1-5-21-1132431369-515282257-1998160155-1000\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 029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890.exe File created C:\Windows\rss\csrss.exe 029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890.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 4820 sc.exe -
Program crash 2 IoCs
pid pid_target Process procid_target 3608 64 WerFault.exe 84 3584 4144 WerFault.exe 92 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1216 schtasks.exe 4648 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\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time" 029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2341 = "Haiti Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-981 = "Kamchatka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time" 029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time" 029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time" 029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-351 = "FLE Daylight Time" windefender.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,-2342 = "Haiti Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" 029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" 029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time" 029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1972 = "Belarus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-692 = "Tasmania Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" 029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\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\26\52C64B7E\@tzres.dll,-271 = "Greenwich Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" 029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-682 = "E. Australia Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time" 029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-691 = "Tasmania Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2001 = "Cabo Verde Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-372 = "Jerusalem Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2891 = "Sudan Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2791 = "Novosibirsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2452 = "Saint Pierre Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-562 = "SE Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" 029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time" 029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time" 029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time" 029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-742 = "New Zealand Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1022 = "Bangladesh Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-162 = "Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2772 = "Omsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time" 029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time" 029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\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\26\52C64B7E\@tzres.dll,-104 = "Central Brazilian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-31 = "Mid-Atlantic Daylight 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\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4760 powershell.exe 4760 powershell.exe 64 029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890.exe 64 029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890.exe 2340 powershell.exe 2340 powershell.exe 4144 029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890.exe 4144 029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890.exe 4144 029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890.exe 4144 029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890.exe 4144 029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890.exe 4144 029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890.exe 4144 029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890.exe 4144 029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890.exe 4144 029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890.exe 4144 029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890.exe 4816 powershell.exe 4816 powershell.exe 2760 powershell.exe 2760 powershell.exe 2236 powershell.exe 2236 powershell.exe 2688 powershell.exe 2688 powershell.exe 3100 powershell.exe 3100 powershell.exe 3456 injector.exe 3456 injector.exe 3456 injector.exe 3456 injector.exe 3456 injector.exe 3456 injector.exe 2296 csrss.exe 2296 csrss.exe 3456 injector.exe 3456 injector.exe 3456 injector.exe 3456 injector.exe 3456 injector.exe 3456 injector.exe 2296 csrss.exe 2296 csrss.exe 3456 injector.exe 3456 injector.exe 3456 injector.exe 3456 injector.exe 2296 csrss.exe 2296 csrss.exe 3456 injector.exe 3456 injector.exe 3456 injector.exe 3456 injector.exe 3456 injector.exe 3456 injector.exe 3456 injector.exe 3456 injector.exe 3456 injector.exe 3456 injector.exe 3456 injector.exe 3456 injector.exe 3456 injector.exe 3456 injector.exe 3456 injector.exe 3456 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4760 powershell.exe Token: SeDebugPrivilege 64 029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890.exe Token: SeImpersonatePrivilege 64 029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890.exe Token: SeDebugPrivilege 2340 powershell.exe Token: SeDebugPrivilege 4816 powershell.exe Token: SeDebugPrivilege 2760 powershell.exe Token: SeDebugPrivilege 2236 powershell.exe Token: SeDebugPrivilege 2688 powershell.exe Token: SeDebugPrivilege 3100 powershell.exe Token: SeSystemEnvironmentPrivilege 2296 csrss.exe Token: SeSecurityPrivilege 4820 sc.exe Token: SeSecurityPrivilege 4820 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 64 wrote to memory of 4760 64 029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890.exe 87 PID 64 wrote to memory of 4760 64 029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890.exe 87 PID 64 wrote to memory of 4760 64 029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890.exe 87 PID 4144 wrote to memory of 2340 4144 029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890.exe 97 PID 4144 wrote to memory of 2340 4144 029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890.exe 97 PID 4144 wrote to memory of 2340 4144 029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890.exe 97 PID 4144 wrote to memory of 316 4144 029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890.exe 99 PID 4144 wrote to memory of 316 4144 029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890.exe 99 PID 316 wrote to memory of 716 316 cmd.exe 101 PID 316 wrote to memory of 716 316 cmd.exe 101 PID 4144 wrote to memory of 4816 4144 029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890.exe 102 PID 4144 wrote to memory of 4816 4144 029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890.exe 102 PID 4144 wrote to memory of 4816 4144 029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890.exe 102 PID 4144 wrote to memory of 2760 4144 029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890.exe 104 PID 4144 wrote to memory of 2760 4144 029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890.exe 104 PID 4144 wrote to memory of 2760 4144 029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890.exe 104 PID 4144 wrote to memory of 2296 4144 029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890.exe 106 PID 4144 wrote to memory of 2296 4144 029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890.exe 106 PID 4144 wrote to memory of 2296 4144 029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890.exe 106 PID 2296 wrote to memory of 2236 2296 csrss.exe 111 PID 2296 wrote to memory of 2236 2296 csrss.exe 111 PID 2296 wrote to memory of 2236 2296 csrss.exe 111 PID 2296 wrote to memory of 2688 2296 csrss.exe 116 PID 2296 wrote to memory of 2688 2296 csrss.exe 116 PID 2296 wrote to memory of 2688 2296 csrss.exe 116 PID 2296 wrote to memory of 3100 2296 csrss.exe 119 PID 2296 wrote to memory of 3100 2296 csrss.exe 119 PID 2296 wrote to memory of 3100 2296 csrss.exe 119 PID 2296 wrote to memory of 3456 2296 csrss.exe 121 PID 2296 wrote to memory of 3456 2296 csrss.exe 121 PID 5068 wrote to memory of 4180 5068 windefender.exe 127 PID 5068 wrote to memory of 4180 5068 windefender.exe 127 PID 5068 wrote to memory of 4180 5068 windefender.exe 127 PID 4180 wrote to memory of 4820 4180 cmd.exe 128 PID 4180 wrote to memory of 4820 4180 cmd.exe 128 PID 4180 wrote to memory of 4820 4180 cmd.exe 128 -
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\029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890.exe"C:\Users\Admin\AppData\Local\Temp\029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:64 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4760
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C:\Users\Admin\AppData\Local\Temp\029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890.exe"C:\Users\Admin\AppData\Local\Temp\029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890.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:4144 -
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:2340
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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:316 -
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:716
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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:4816
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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:2760
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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:2296 -
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:2236
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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:1216
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3120
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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:2688
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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:3100
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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:3456
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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:4648
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:5068 -
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:4180 -
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:4820
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4144 -s 7563⤵
- Program crash
PID:3584
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 64 -s 7642⤵
- Program crash
PID:3608
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 64 -ip 641⤵PID:5116
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4144 -ip 41441⤵PID:3092
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4412
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
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d2ded489e182cd12dd74c42bce2737e9
SHA121b3049fa984c1436641255e7cf8f938f65df1d7
SHA256b2c0e474c6933f6a6373df35c495dc04a972be9bf1e2ded3d232a62d417b344e
SHA512305efc99b78909dcb6a4746369ba54ede2d69f3d30f0034142eeb0b25a07f10cdd86bae5655f2c5e73989272d984800dc6ee1e1cefe47d649c466bee2d1d4107
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55a53bf838de49ee6f43bee284ced7bb5
SHA109eca2e1479860a63017d2a2d18147097f91151a
SHA256c945f1c80c903d64fd19b04dd7db12340ea27534c8f6d4efc7e7850ca857ec13
SHA5127154d86e8bc85fd8756daa00fe80e3fe2b3e40e9a9c74c509f63f04654a6e0244860974e9d63b78b79b7d1b243398d1e97130419a58d8cd0f2578becd729f75c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57b28221856b336168e7099c5d76e5561
SHA16d02d7127637e6af757264006c1ba96d9bf891a5
SHA256215a0d996dfc7a0312c93c788bd3f3ecd6f3b1ec35ff58321423c46fcf1a038b
SHA512f305fe14565b183d2f76750ebf235b855e9fa826ed2739226c7f1a65f4b3287bda8eedee36f348fd0289a8dc5f78f0b35635e595f770f49a511f6c8ddafa163b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b25b6521f0547dd4d88fd8c5b4c327e7
SHA186586a969d9f4caf70a2caa0c83f8f46c7123502
SHA2562324c777fb3b054d1d3929362d3eeb347509036ab491459b93452e9d0675125d
SHA512bdbec49aadf2b2d251e4499f07f2bcc633f028e2d34147001f87c1860e7023f8f0c0d3f1e45f5b353dd7b4d28cef747bb6b61e08826f5814b42ecf7dc97b4ac1
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD531f3dd43f22ab0107bdc1d008245b93a
SHA194eeab3ee66cf51b1658618733cc71109ea54790
SHA2560249af6d7d0b19a5ffcc6d5df6d989e3b8c9777a6fbf4470071cc0a64da15f00
SHA51214b51b34abafb1026c0bb439560adcead20a898cc14b226ca1079c108876e7be72a5233cd6036024b7cb704215630506f207f7b987c38b8bb0b1ead6f32f5fc7
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Filesize
4.2MB
MD532f34de12ff0a772c4d7c319ed65b823
SHA1dee66ee06d8b6aa4d0fb42b82a823b76ae95ead3
SHA256029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890
SHA5124426123a1e0a2e262cc981828bc50861a11b9e8d09ae5b0868efd4132e795ad24a2b034affbb30054521e862ac959dd869d1c8b25f71369678dac11e00bee71a
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec