Analysis
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max time kernel
150s -
max time network
158s -
platform
windows11-21h2_x64 -
resource
win11-20240221-en -
resource tags
arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system -
submitted
28/03/2024, 08:43
Static task
static1
Behavioral task
behavioral1
Sample
ce7a11d8c12b2b098dc49b2456a7c9d02ec2ad480f71a5885897922cd21fcf56.exe
Resource
win10v2004-20240226-en
General
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Target
ce7a11d8c12b2b098dc49b2456a7c9d02ec2ad480f71a5885897922cd21fcf56.exe
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Size
4.2MB
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MD5
aa893a1f1c74b83de42ad71d6f232e0f
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SHA1
65b08b25f25f17843968085360cda4cf35858ba0
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SHA256
ce7a11d8c12b2b098dc49b2456a7c9d02ec2ad480f71a5885897922cd21fcf56
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SHA512
18da880152e4ad1078371919cb8a30757c07be235cab431bffe3ce98a9c96d946932f1e4d35558771703c5ad3005529ba0b1027119de22362913f88b78b87741
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SSDEEP
98304:xRWUrPMJmHt5MvpdVoBNveM84qd6SL7KZWHgLJkmiXAO2ee+:xoUrPM+t6xmH8466SyJLJWXT2ef
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/3508-2-0x00000000032A0000-0x0000000003B8B000-memory.dmp family_glupteba behavioral2/memory/3508-3-0x0000000000400000-0x0000000000ED4000-memory.dmp family_glupteba behavioral2/memory/3508-44-0x0000000000400000-0x0000000000ED4000-memory.dmp family_glupteba behavioral2/memory/3232-53-0x00000000031C0000-0x0000000003AAB000-memory.dmp family_glupteba behavioral2/memory/3232-54-0x0000000000400000-0x0000000000ED4000-memory.dmp family_glupteba behavioral2/memory/3508-55-0x0000000000400000-0x0000000000ED4000-memory.dmp family_glupteba behavioral2/memory/3232-86-0x0000000000400000-0x0000000000ED4000-memory.dmp family_glupteba behavioral2/memory/3232-114-0x0000000000400000-0x0000000000ED4000-memory.dmp family_glupteba behavioral2/memory/3232-129-0x0000000000400000-0x0000000000ED4000-memory.dmp family_glupteba behavioral2/memory/3232-147-0x0000000000400000-0x0000000000ED4000-memory.dmp family_glupteba behavioral2/memory/3460-205-0x0000000000400000-0x0000000000ED4000-memory.dmp family_glupteba behavioral2/memory/3460-240-0x0000000000400000-0x0000000000ED4000-memory.dmp family_glupteba behavioral2/memory/3460-250-0x0000000000400000-0x0000000000ED4000-memory.dmp family_glupteba behavioral2/memory/3460-253-0x0000000000400000-0x0000000000ED4000-memory.dmp family_glupteba behavioral2/memory/3460-255-0x0000000000400000-0x0000000000ED4000-memory.dmp family_glupteba behavioral2/memory/3460-258-0x0000000000400000-0x0000000000ED4000-memory.dmp family_glupteba behavioral2/memory/3460-261-0x0000000000400000-0x0000000000ED4000-memory.dmp family_glupteba behavioral2/memory/3460-263-0x0000000000400000-0x0000000000ED4000-memory.dmp family_glupteba behavioral2/memory/3460-270-0x0000000000400000-0x0000000000ED4000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4992 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3460 csrss.exe 4652 injector.exe 3088 windefender.exe 2952 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a841-243.dat upx behavioral2/memory/3088-248-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2952-251-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2952-259-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-647252928-2816094679-1307623958-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" ce7a11d8c12b2b098dc49b2456a7c9d02ec2ad480f71a5885897922cd21fcf56.exe Set value (str) \REGISTRY\USER\S-1-5-21-647252928-2816094679-1307623958-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN ce7a11d8c12b2b098dc49b2456a7c9d02ec2ad480f71a5885897922cd21fcf56.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss ce7a11d8c12b2b098dc49b2456a7c9d02ec2ad480f71a5885897922cd21fcf56.exe File created C:\Windows\rss\csrss.exe ce7a11d8c12b2b098dc49b2456a7c9d02ec2ad480f71a5885897922cd21fcf56.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 1424 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 2280 schtasks.exe 4136 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time" ce7a11d8c12b2b098dc49b2456a7c9d02ec2ad480f71a5885897922cd21fcf56.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.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\22\52C64B7E\@tzres.dll,-2591 = "Tocantins Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-11 = "Azores Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-662 = "Cen. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" ce7a11d8c12b2b098dc49b2456a7c9d02ec2ad480f71a5885897922cd21fcf56.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.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\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2941 = "Sao Tome Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time" ce7a11d8c12b2b098dc49b2456a7c9d02ec2ad480f71a5885897922cd21fcf56.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time" ce7a11d8c12b2b098dc49b2456a7c9d02ec2ad480f71a5885897922cd21fcf56.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" ce7a11d8c12b2b098dc49b2456a7c9d02ec2ad480f71a5885897922cd21fcf56.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time" ce7a11d8c12b2b098dc49b2456a7c9d02ec2ad480f71a5885897922cd21fcf56.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time" ce7a11d8c12b2b098dc49b2456a7c9d02ec2ad480f71a5885897922cd21fcf56.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" ce7a11d8c12b2b098dc49b2456a7c9d02ec2ad480f71a5885897922cd21fcf56.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time" ce7a11d8c12b2b098dc49b2456a7c9d02ec2ad480f71a5885897922cd21fcf56.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2572 = "Turks and Caicos Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time" ce7a11d8c12b2b098dc49b2456a7c9d02ec2ad480f71a5885897922cd21fcf56.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time" ce7a11d8c12b2b098dc49b2456a7c9d02ec2ad480f71a5885897922cd21fcf56.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time" ce7a11d8c12b2b098dc49b2456a7c9d02ec2ad480f71a5885897922cd21fcf56.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\22\52C64B7E\@tzres.dll,-451 = "Caucasus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-212 = "Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2062 = "North Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-201 = "US Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time" ce7a11d8c12b2b098dc49b2456a7c9d02ec2ad480f71a5885897922cd21fcf56.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time" ce7a11d8c12b2b098dc49b2456a7c9d02ec2ad480f71a5885897922cd21fcf56.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2372 = "Easter Island Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time" ce7a11d8c12b2b098dc49b2456a7c9d02ec2ad480f71a5885897922cd21fcf56.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2341 = "Haiti Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-621 = "Korea Daylight Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2751 = "Tomsk Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-502 = "Nepal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time" ce7a11d8c12b2b098dc49b2456a7c9d02ec2ad480f71a5885897922cd21fcf56.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-591 = "Malay Peninsula Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time" ce7a11d8c12b2b098dc49b2456a7c9d02ec2ad480f71a5885897922cd21fcf56.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time" ce7a11d8c12b2b098dc49b2456a7c9d02ec2ad480f71a5885897922cd21fcf56.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\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" ce7a11d8c12b2b098dc49b2456a7c9d02ec2ad480f71a5885897922cd21fcf56.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2792 powershell.exe 2792 powershell.exe 3508 ce7a11d8c12b2b098dc49b2456a7c9d02ec2ad480f71a5885897922cd21fcf56.exe 3508 ce7a11d8c12b2b098dc49b2456a7c9d02ec2ad480f71a5885897922cd21fcf56.exe 4004 powershell.exe 4004 powershell.exe 3232 ce7a11d8c12b2b098dc49b2456a7c9d02ec2ad480f71a5885897922cd21fcf56.exe 3232 ce7a11d8c12b2b098dc49b2456a7c9d02ec2ad480f71a5885897922cd21fcf56.exe 3232 ce7a11d8c12b2b098dc49b2456a7c9d02ec2ad480f71a5885897922cd21fcf56.exe 3232 ce7a11d8c12b2b098dc49b2456a7c9d02ec2ad480f71a5885897922cd21fcf56.exe 3232 ce7a11d8c12b2b098dc49b2456a7c9d02ec2ad480f71a5885897922cd21fcf56.exe 3232 ce7a11d8c12b2b098dc49b2456a7c9d02ec2ad480f71a5885897922cd21fcf56.exe 3232 ce7a11d8c12b2b098dc49b2456a7c9d02ec2ad480f71a5885897922cd21fcf56.exe 3232 ce7a11d8c12b2b098dc49b2456a7c9d02ec2ad480f71a5885897922cd21fcf56.exe 3232 ce7a11d8c12b2b098dc49b2456a7c9d02ec2ad480f71a5885897922cd21fcf56.exe 3232 ce7a11d8c12b2b098dc49b2456a7c9d02ec2ad480f71a5885897922cd21fcf56.exe 4352 powershell.exe 4352 powershell.exe 4108 powershell.exe 4108 powershell.exe 3516 powershell.exe 3516 powershell.exe 5048 powershell.exe 5048 powershell.exe 1220 powershell.exe 1220 powershell.exe 4652 injector.exe 4652 injector.exe 4652 injector.exe 4652 injector.exe 4652 injector.exe 4652 injector.exe 4652 injector.exe 4652 injector.exe 3460 csrss.exe 3460 csrss.exe 4652 injector.exe 4652 injector.exe 4652 injector.exe 4652 injector.exe 4652 injector.exe 4652 injector.exe 3460 csrss.exe 3460 csrss.exe 4652 injector.exe 4652 injector.exe 4652 injector.exe 4652 injector.exe 3460 csrss.exe 3460 csrss.exe 4652 injector.exe 4652 injector.exe 4652 injector.exe 4652 injector.exe 4652 injector.exe 4652 injector.exe 4652 injector.exe 4652 injector.exe 4652 injector.exe 4652 injector.exe 4652 injector.exe 4652 injector.exe 4652 injector.exe 4652 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2792 powershell.exe Token: SeDebugPrivilege 3508 ce7a11d8c12b2b098dc49b2456a7c9d02ec2ad480f71a5885897922cd21fcf56.exe Token: SeImpersonatePrivilege 3508 ce7a11d8c12b2b098dc49b2456a7c9d02ec2ad480f71a5885897922cd21fcf56.exe Token: SeDebugPrivilege 4004 powershell.exe Token: SeDebugPrivilege 4352 powershell.exe Token: SeDebugPrivilege 4108 powershell.exe Token: SeDebugPrivilege 3516 powershell.exe Token: SeDebugPrivilege 5048 powershell.exe Token: SeDebugPrivilege 1220 powershell.exe Token: SeSystemEnvironmentPrivilege 3460 csrss.exe Token: SeSecurityPrivilege 1424 sc.exe Token: SeSecurityPrivilege 1424 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3508 wrote to memory of 2792 3508 ce7a11d8c12b2b098dc49b2456a7c9d02ec2ad480f71a5885897922cd21fcf56.exe 82 PID 3508 wrote to memory of 2792 3508 ce7a11d8c12b2b098dc49b2456a7c9d02ec2ad480f71a5885897922cd21fcf56.exe 82 PID 3508 wrote to memory of 2792 3508 ce7a11d8c12b2b098dc49b2456a7c9d02ec2ad480f71a5885897922cd21fcf56.exe 82 PID 3232 wrote to memory of 4004 3232 ce7a11d8c12b2b098dc49b2456a7c9d02ec2ad480f71a5885897922cd21fcf56.exe 87 PID 3232 wrote to memory of 4004 3232 ce7a11d8c12b2b098dc49b2456a7c9d02ec2ad480f71a5885897922cd21fcf56.exe 87 PID 3232 wrote to memory of 4004 3232 ce7a11d8c12b2b098dc49b2456a7c9d02ec2ad480f71a5885897922cd21fcf56.exe 87 PID 3232 wrote to memory of 2720 3232 ce7a11d8c12b2b098dc49b2456a7c9d02ec2ad480f71a5885897922cd21fcf56.exe 89 PID 3232 wrote to memory of 2720 3232 ce7a11d8c12b2b098dc49b2456a7c9d02ec2ad480f71a5885897922cd21fcf56.exe 89 PID 2720 wrote to memory of 4992 2720 cmd.exe 91 PID 2720 wrote to memory of 4992 2720 cmd.exe 91 PID 3232 wrote to memory of 4352 3232 ce7a11d8c12b2b098dc49b2456a7c9d02ec2ad480f71a5885897922cd21fcf56.exe 92 PID 3232 wrote to memory of 4352 3232 ce7a11d8c12b2b098dc49b2456a7c9d02ec2ad480f71a5885897922cd21fcf56.exe 92 PID 3232 wrote to memory of 4352 3232 ce7a11d8c12b2b098dc49b2456a7c9d02ec2ad480f71a5885897922cd21fcf56.exe 92 PID 3232 wrote to memory of 4108 3232 ce7a11d8c12b2b098dc49b2456a7c9d02ec2ad480f71a5885897922cd21fcf56.exe 94 PID 3232 wrote to memory of 4108 3232 ce7a11d8c12b2b098dc49b2456a7c9d02ec2ad480f71a5885897922cd21fcf56.exe 94 PID 3232 wrote to memory of 4108 3232 ce7a11d8c12b2b098dc49b2456a7c9d02ec2ad480f71a5885897922cd21fcf56.exe 94 PID 3232 wrote to memory of 3460 3232 ce7a11d8c12b2b098dc49b2456a7c9d02ec2ad480f71a5885897922cd21fcf56.exe 96 PID 3232 wrote to memory of 3460 3232 ce7a11d8c12b2b098dc49b2456a7c9d02ec2ad480f71a5885897922cd21fcf56.exe 96 PID 3232 wrote to memory of 3460 3232 ce7a11d8c12b2b098dc49b2456a7c9d02ec2ad480f71a5885897922cd21fcf56.exe 96 PID 3460 wrote to memory of 3516 3460 csrss.exe 97 PID 3460 wrote to memory of 3516 3460 csrss.exe 97 PID 3460 wrote to memory of 3516 3460 csrss.exe 97 PID 3460 wrote to memory of 5048 3460 csrss.exe 102 PID 3460 wrote to memory of 5048 3460 csrss.exe 102 PID 3460 wrote to memory of 5048 3460 csrss.exe 102 PID 3460 wrote to memory of 1220 3460 csrss.exe 105 PID 3460 wrote to memory of 1220 3460 csrss.exe 105 PID 3460 wrote to memory of 1220 3460 csrss.exe 105 PID 3460 wrote to memory of 4652 3460 csrss.exe 107 PID 3460 wrote to memory of 4652 3460 csrss.exe 107 PID 3088 wrote to memory of 4972 3088 windefender.exe 113 PID 3088 wrote to memory of 4972 3088 windefender.exe 113 PID 3088 wrote to memory of 4972 3088 windefender.exe 113 PID 4972 wrote to memory of 1424 4972 cmd.exe 114 PID 4972 wrote to memory of 1424 4972 cmd.exe 114 PID 4972 wrote to memory of 1424 4972 cmd.exe 114 -
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\ce7a11d8c12b2b098dc49b2456a7c9d02ec2ad480f71a5885897922cd21fcf56.exe"C:\Users\Admin\AppData\Local\Temp\ce7a11d8c12b2b098dc49b2456a7c9d02ec2ad480f71a5885897922cd21fcf56.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3508 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2792
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C:\Users\Admin\AppData\Local\Temp\ce7a11d8c12b2b098dc49b2456a7c9d02ec2ad480f71a5885897922cd21fcf56.exe"C:\Users\Admin\AppData\Local\Temp\ce7a11d8c12b2b098dc49b2456a7c9d02ec2ad480f71a5885897922cd21fcf56.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:3232 -
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:4004
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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:2720 -
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:4992
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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:4352
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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:4108
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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:3460 -
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:3516
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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:2280
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4152
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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:5048
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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:1220
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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:4652
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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:4136
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3088 -
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:4972 -
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:1424
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2952
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53a0a0ed19b85a1952d2792925f09d44b
SHA18d59b93a1ac4dc0d0c9aca18bc1c34dffd25d532
SHA25698889e70b9e980b2ff83daa2bba46ab73cae9d59ce64c86bed6a400ffb286f9f
SHA51208c5ee4190b1c12e07dc292e40e830137b337c922e3f4852907b3f0ad646450649d5d3983356add6063ce270d4ad31f5b6f814ff2fb7ec21c7803939cf132e01
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51e0acb49d16c03ed8bfad883bca585f4
SHA13d7169183b0f8d3c900d73c1ac89e30e182064ce
SHA256857a4a83d7afcc946576729daf8be904a15f14fe26cf6c4866d673ec6440b837
SHA512425f22fe4b38b07b755ddcba02f46c911608e3208a118be8d521a921b912372f12eedfe44e7c64dc0324a5ed84746167d59925ee012686cd2d84927a79979e90
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5de03b0c2d98dd36cf08bb2c639a7c0db
SHA15b86163e4db4e6f1e12b49d24e3cb486451df42d
SHA256bbce8546a2c87dc9105cc416833f602cb2e3fb184e0ed3e84ba0a4a675a74bab
SHA51235091cb058971c9b3ce1130d0d7e65052bc63341fbc7ba07a78af21408db44cea4135df65fe5ecda49f373606d9ea801e3ee9ef9728a20c01e6012fce00a36b6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51a0cab43d22f33a43fc509a98987e93d
SHA16a1f21c6b7adc4bc9d8d872c6a6118508ba60891
SHA256fdec124aec7a62a9c1a3e75fb8e2ec8d87f107f58651b78c1517a32b353e3093
SHA51289d63c0a4bef4b6851e7e728c0c3a69f0a099867ea8d33191432c0a22f2cb00f2a5ac151d5d902b77f0b83f415f49ba884ea4b3dc7fc990c1d6c3b07625aab0a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53df395ddcc20162886f374d98e576e3a
SHA1ac44e383ae905b39be63959f52a94fc4d3a909f2
SHA2563be04ee5be7882d7dfb456139af4d7b92e8ce2cb570149a1d1787691aaa66e9a
SHA5125aef6de852ab9f41f1bc5a3843bfd0b1fb7a3f80aa5c8988caab2661201eb1f1737fff986a94ba08afed3eefb665fe460c3b036091c6f4fd565e81a217ae35c1
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Filesize
960KB
MD56a4a0bdd93d4095237a88f4c582b0e0c
SHA144eae1e71e1a3e8f039f3e449bb10ca50d4fa2fc
SHA25641246d995f8ff8cb7ab7eabce585e3d68ea0fb4afc9f6302c774094a1578251e
SHA512133782e5ac3525ee2636a2c69ff3d0a1f62e7c0c29e7fabb944196ea4156b14407d47db1326f0ce9452a270d8a3638cea107f2f6e2fab14bbe5454d82d1269c2
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Filesize
192KB
MD5708bbc637a04f84d168f73bb64a398e4
SHA140134d3ce517f77a03f22fe1bac96a6b8ca7bbbf
SHA2560a058f57564b40fd3877c498ff41cb8b1b78f1e3c82f07110f9a999ddcb765fd
SHA512c2a2bdde19f77c81f336865aa1dcfe264ba95aa53c186cf9061d379faa1fd09f9d626011f2e41a88aa6975167a03f58ab8ddb351bbfa02837e757a8ab3f376b2
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec