Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
19-05-2024 08:56
Static task
static1
Behavioral task
behavioral1
Sample
5469493967b62a9d55e0e0f7895df32d37e909aa77a7ca7ec6bade23c17b649d.exe
Resource
win10v2004-20240508-en
General
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Target
5469493967b62a9d55e0e0f7895df32d37e909aa77a7ca7ec6bade23c17b649d.exe
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Size
4.1MB
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MD5
983f78a4179867e5818b73db3e5e8b1d
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SHA1
aeeaa70a50f085930e3a5f6dbc381b199282fa15
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SHA256
5469493967b62a9d55e0e0f7895df32d37e909aa77a7ca7ec6bade23c17b649d
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SHA512
3e47961b20fba86879f682a63aa75ae9e008a80663421e490c1aafe0d806a8c8e978eed92c4b2103803fd4193d6bf81427046ec014c2ee7f7e86cc2e08e8c2f6
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SSDEEP
98304:gvCQaDBnSWO/B+XxjapSyZlG1PnsYHdaWgIg92gsnC3bzMZh6P1+:gvC3DFSWO/BjYGk1PnXHoWWZ1za6N+
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/2364-2-0x00000000044B0000-0x0000000004D9B000-memory.dmp family_glupteba behavioral1/memory/2364-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2364-56-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2364-55-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/2364-57-0x00000000044B0000-0x0000000004D9B000-memory.dmp family_glupteba behavioral1/memory/2816-130-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/2816-135-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/4704-219-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/4704-220-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/4704-221-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/4704-222-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/4704-223-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/4704-224-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/4704-225-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/4704-226-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/4704-227-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/4704-228-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/4704-229-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/4704-230-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2852 netsh.exe -
Executes dropped EXE 2 IoCs
pid Process 4704 csrss.exe 5108 injector.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 5469493967b62a9d55e0e0f7895df32d37e909aa77a7ca7ec6bade23c17b649d.exe Set value (str) \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\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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Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
flow ioc 80 raw.githubusercontent.com 81 raw.githubusercontent.com -
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 5469493967b62a9d55e0e0f7895df32d37e909aa77a7ca7ec6bade23c17b649d.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\rss 5469493967b62a9d55e0e0f7895df32d37e909aa77a7ca7ec6bade23c17b649d.exe File created C:\Windows\rss\csrss.exe 5469493967b62a9d55e0e0f7895df32d37e909aa77a7ca7ec6bade23c17b649d.exe -
pid Process 1600 powershell.exe 3616 powershell.exe 2864 powershell.exe 4484 powershell.exe 632 powershell.exe 3208 powershell.exe 2168 powershell.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 1532 2364 WerFault.exe 82 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4660 schtasks.exe 8 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" 5469493967b62a9d55e0e0f7895df32d37e909aa77a7ca7ec6bade23c17b649d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time" 5469493967b62a9d55e0e0f7895df32d37e909aa77a7ca7ec6bade23c17b649d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" 5469493967b62a9d55e0e0f7895df32d37e909aa77a7ca7ec6bade23c17b649d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time" 5469493967b62a9d55e0e0f7895df32d37e909aa77a7ca7ec6bade23c17b649d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed 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\trust\CTLs csrss.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time" 5469493967b62a9d55e0e0f7895df32d37e909aa77a7ca7ec6bade23c17b649d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time" 5469493967b62a9d55e0e0f7895df32d37e909aa77a7ca7ec6bade23c17b649d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1912 = "Russia TZ 10 Standard Time" 5469493967b62a9d55e0e0f7895df32d37e909aa77a7ca7ec6bade23c17b649d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" 5469493967b62a9d55e0e0f7895df32d37e909aa77a7ca7ec6bade23c17b649d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" 5469493967b62a9d55e0e0f7895df32d37e909aa77a7ca7ec6bade23c17b649d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time" 5469493967b62a9d55e0e0f7895df32d37e909aa77a7ca7ec6bade23c17b649d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" 5469493967b62a9d55e0e0f7895df32d37e909aa77a7ca7ec6bade23c17b649d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3141 = "South Sudan Daylight Time" 5469493967b62a9d55e0e0f7895df32d37e909aa77a7ca7ec6bade23c17b649d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" 5469493967b62a9d55e0e0f7895df32d37e909aa77a7ca7ec6bade23c17b649d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" 5469493967b62a9d55e0e0f7895df32d37e909aa77a7ca7ec6bade23c17b649d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time" 5469493967b62a9d55e0e0f7895df32d37e909aa77a7ca7ec6bade23c17b649d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time" 5469493967b62a9d55e0e0f7895df32d37e909aa77a7ca7ec6bade23c17b649d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" 5469493967b62a9d55e0e0f7895df32d37e909aa77a7ca7ec6bade23c17b649d.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time" 5469493967b62a9d55e0e0f7895df32d37e909aa77a7ca7ec6bade23c17b649d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time" 5469493967b62a9d55e0e0f7895df32d37e909aa77a7ca7ec6bade23c17b649d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" 5469493967b62a9d55e0e0f7895df32d37e909aa77a7ca7ec6bade23c17b649d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time" 5469493967b62a9d55e0e0f7895df32d37e909aa77a7ca7ec6bade23c17b649d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2491 = "Aus Central W. Daylight Time" 5469493967b62a9d55e0e0f7895df32d37e909aa77a7ca7ec6bade23c17b649d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" 5469493967b62a9d55e0e0f7895df32d37e909aa77a7ca7ec6bade23c17b649d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time" 5469493967b62a9d55e0e0f7895df32d37e909aa77a7ca7ec6bade23c17b649d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" 5469493967b62a9d55e0e0f7895df32d37e909aa77a7ca7ec6bade23c17b649d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time" 5469493967b62a9d55e0e0f7895df32d37e909aa77a7ca7ec6bade23c17b649d.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3208 powershell.exe 3208 powershell.exe 2364 5469493967b62a9d55e0e0f7895df32d37e909aa77a7ca7ec6bade23c17b649d.exe 2364 5469493967b62a9d55e0e0f7895df32d37e909aa77a7ca7ec6bade23c17b649d.exe 2168 powershell.exe 2168 powershell.exe 2816 5469493967b62a9d55e0e0f7895df32d37e909aa77a7ca7ec6bade23c17b649d.exe 2816 5469493967b62a9d55e0e0f7895df32d37e909aa77a7ca7ec6bade23c17b649d.exe 2816 5469493967b62a9d55e0e0f7895df32d37e909aa77a7ca7ec6bade23c17b649d.exe 2816 5469493967b62a9d55e0e0f7895df32d37e909aa77a7ca7ec6bade23c17b649d.exe 2816 5469493967b62a9d55e0e0f7895df32d37e909aa77a7ca7ec6bade23c17b649d.exe 2816 5469493967b62a9d55e0e0f7895df32d37e909aa77a7ca7ec6bade23c17b649d.exe 2816 5469493967b62a9d55e0e0f7895df32d37e909aa77a7ca7ec6bade23c17b649d.exe 2816 5469493967b62a9d55e0e0f7895df32d37e909aa77a7ca7ec6bade23c17b649d.exe 2816 5469493967b62a9d55e0e0f7895df32d37e909aa77a7ca7ec6bade23c17b649d.exe 2816 5469493967b62a9d55e0e0f7895df32d37e909aa77a7ca7ec6bade23c17b649d.exe 1600 powershell.exe 1600 powershell.exe 3616 powershell.exe 3616 powershell.exe 2864 powershell.exe 2864 powershell.exe 4484 powershell.exe 4484 powershell.exe 632 powershell.exe 632 powershell.exe 5108 injector.exe 5108 injector.exe 5108 injector.exe 5108 injector.exe 5108 injector.exe 5108 injector.exe 4704 csrss.exe 4704 csrss.exe 5108 injector.exe 5108 injector.exe 5108 injector.exe 5108 injector.exe 5108 injector.exe 5108 injector.exe 4704 csrss.exe 4704 csrss.exe 5108 injector.exe 5108 injector.exe 5108 injector.exe 5108 injector.exe 5108 injector.exe 5108 injector.exe 5108 injector.exe 5108 injector.exe 5108 injector.exe 5108 injector.exe 5108 injector.exe 5108 injector.exe 5108 injector.exe 5108 injector.exe 5108 injector.exe 5108 injector.exe 5108 injector.exe 5108 injector.exe 5108 injector.exe 5108 injector.exe 5108 injector.exe 5108 injector.exe -
Suspicious use of AdjustPrivilegeToken 10 IoCs
description pid Process Token: SeDebugPrivilege 3208 powershell.exe Token: SeDebugPrivilege 2364 5469493967b62a9d55e0e0f7895df32d37e909aa77a7ca7ec6bade23c17b649d.exe Token: SeImpersonatePrivilege 2364 5469493967b62a9d55e0e0f7895df32d37e909aa77a7ca7ec6bade23c17b649d.exe Token: SeDebugPrivilege 2168 powershell.exe Token: SeDebugPrivilege 1600 powershell.exe Token: SeDebugPrivilege 3616 powershell.exe Token: SeDebugPrivilege 2864 powershell.exe Token: SeDebugPrivilege 4484 powershell.exe Token: SeDebugPrivilege 632 powershell.exe Token: SeSystemEnvironmentPrivilege 4704 csrss.exe -
Suspicious use of WriteProcessMemory 30 IoCs
description pid Process procid_target PID 2364 wrote to memory of 3208 2364 5469493967b62a9d55e0e0f7895df32d37e909aa77a7ca7ec6bade23c17b649d.exe 85 PID 2364 wrote to memory of 3208 2364 5469493967b62a9d55e0e0f7895df32d37e909aa77a7ca7ec6bade23c17b649d.exe 85 PID 2364 wrote to memory of 3208 2364 5469493967b62a9d55e0e0f7895df32d37e909aa77a7ca7ec6bade23c17b649d.exe 85 PID 2816 wrote to memory of 2168 2816 5469493967b62a9d55e0e0f7895df32d37e909aa77a7ca7ec6bade23c17b649d.exe 96 PID 2816 wrote to memory of 2168 2816 5469493967b62a9d55e0e0f7895df32d37e909aa77a7ca7ec6bade23c17b649d.exe 96 PID 2816 wrote to memory of 2168 2816 5469493967b62a9d55e0e0f7895df32d37e909aa77a7ca7ec6bade23c17b649d.exe 96 PID 2816 wrote to memory of 976 2816 5469493967b62a9d55e0e0f7895df32d37e909aa77a7ca7ec6bade23c17b649d.exe 98 PID 2816 wrote to memory of 976 2816 5469493967b62a9d55e0e0f7895df32d37e909aa77a7ca7ec6bade23c17b649d.exe 98 PID 976 wrote to memory of 2852 976 cmd.exe 100 PID 976 wrote to memory of 2852 976 cmd.exe 100 PID 2816 wrote to memory of 1600 2816 5469493967b62a9d55e0e0f7895df32d37e909aa77a7ca7ec6bade23c17b649d.exe 103 PID 2816 wrote to memory of 1600 2816 5469493967b62a9d55e0e0f7895df32d37e909aa77a7ca7ec6bade23c17b649d.exe 103 PID 2816 wrote to memory of 1600 2816 5469493967b62a9d55e0e0f7895df32d37e909aa77a7ca7ec6bade23c17b649d.exe 103 PID 2816 wrote to memory of 3616 2816 5469493967b62a9d55e0e0f7895df32d37e909aa77a7ca7ec6bade23c17b649d.exe 106 PID 2816 wrote to memory of 3616 2816 5469493967b62a9d55e0e0f7895df32d37e909aa77a7ca7ec6bade23c17b649d.exe 106 PID 2816 wrote to memory of 3616 2816 5469493967b62a9d55e0e0f7895df32d37e909aa77a7ca7ec6bade23c17b649d.exe 106 PID 2816 wrote to memory of 4704 2816 5469493967b62a9d55e0e0f7895df32d37e909aa77a7ca7ec6bade23c17b649d.exe 109 PID 2816 wrote to memory of 4704 2816 5469493967b62a9d55e0e0f7895df32d37e909aa77a7ca7ec6bade23c17b649d.exe 109 PID 2816 wrote to memory of 4704 2816 5469493967b62a9d55e0e0f7895df32d37e909aa77a7ca7ec6bade23c17b649d.exe 109 PID 4704 wrote to memory of 2864 4704 csrss.exe 110 PID 4704 wrote to memory of 2864 4704 csrss.exe 110 PID 4704 wrote to memory of 2864 4704 csrss.exe 110 PID 4704 wrote to memory of 4484 4704 csrss.exe 116 PID 4704 wrote to memory of 4484 4704 csrss.exe 116 PID 4704 wrote to memory of 4484 4704 csrss.exe 116 PID 4704 wrote to memory of 632 4704 csrss.exe 119 PID 4704 wrote to memory of 632 4704 csrss.exe 119 PID 4704 wrote to memory of 632 4704 csrss.exe 119 PID 4704 wrote to memory of 5108 4704 csrss.exe 121 PID 4704 wrote to memory of 5108 4704 csrss.exe 121 -
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\5469493967b62a9d55e0e0f7895df32d37e909aa77a7ca7ec6bade23c17b649d.exe"C:\Users\Admin\AppData\Local\Temp\5469493967b62a9d55e0e0f7895df32d37e909aa77a7ca7ec6bade23c17b649d.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2364 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3208
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C:\Users\Admin\AppData\Local\Temp\5469493967b62a9d55e0e0f7895df32d37e909aa77a7ca7ec6bade23c17b649d.exe"C:\Users\Admin\AppData\Local\Temp\5469493967b62a9d55e0e0f7895df32d37e909aa77a7ca7ec6bade23c17b649d.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:2816 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2168
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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:976 -
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:2852
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1600
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3616
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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.
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4704 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2864
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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:4660
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1072
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4484
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:632
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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:5108
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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:8
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2364 -s 8762⤵
- Program crash
PID:1532
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2364 -ip 23641⤵PID:1920
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
MD5e3218052e166d7c0dfe28aa037217fa9
SHA19318cc7ad2a10f30189ebe37579b445e7fdeb965
SHA25681f42381c30cc61c9ac752594d9c67feaa9591cf4bb206a2db03805646382e8e
SHA5123b18092ea5926927eceac13284e783583241dc233cd6bcb5a195305e46e0cc9f9f7ac63666a8d8be7faa18d607949451f276ee56c0582a3df1d220e086022119
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5615fd31561687f7ee04d1d9b095340da
SHA19c877e5598e42ff52ce57506219546ce8bf61575
SHA2561adf971e0c0dda1e4df5d84340dda851b0460cab4f62630a3db9494465e11f6e
SHA51231afc26093de38df67f97bcec61732e1e8c5e3bbea8d28c5379557b400478987a0a23637f228de2bf705c7ee85cb3faf0ac810fb86302eafb77fcb6d37ad9b81
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5fe352a4bd5815cd5014697f458c914f1
SHA1dfccf076af2c5146a786f44060ea93def8540c48
SHA256dbbe36e240362e8ec7520e9edaf6ba05d0bf5216fe68c894f306b939f2554475
SHA51235907280c5940f4b983b40c9ff52aef5a0bb7b981963bf8c0d24204c0fea74308911f6d59d64dc38f0bebc25bb917795b39a132ee87659aae521f1c39ad285fd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e7615fc167e54f90ecf9bdb17e89c42f
SHA177ee411556b86434e9d1288c3e8993160feb9b05
SHA2567f8b4bf5f7c1c30cb7a93d6e7c82709d5debe0838e10be0b8a73f48b78f17875
SHA512b81b0a8df6a39095d1125733757b69a4566dc91b07ea10e1550e5db4a8df261b910dec15d3d610fe2601a3c5d7b7534f16d4d4e2f5f822c0cb2a79ffbcba9a59
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55178193cd4db0f0f5b35de762943c90e
SHA11520ddd209975e0fecdd7cd5adc6278effb494dd
SHA25637032ac36c27fd1f1db74535ee9bd654b98bf5a892071eb9d7d97b8f1702fb23
SHA5125abc453b8215e930e8ae8e910b7e88a7f74ac1f8c650818b7cf5b6fb946557ea6e7415b12c0b4601452bca9903368228f9318e0b01d40103c5f6678db2cf94c3
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Filesize
4.1MB
MD5983f78a4179867e5818b73db3e5e8b1d
SHA1aeeaa70a50f085930e3a5f6dbc381b199282fa15
SHA2565469493967b62a9d55e0e0f7895df32d37e909aa77a7ca7ec6bade23c17b649d
SHA5123e47961b20fba86879f682a63aa75ae9e008a80663421e490c1aafe0d806a8c8e978eed92c4b2103803fd4193d6bf81427046ec014c2ee7f7e86cc2e08e8c2f6