Analysis
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max time kernel
149s -
max time network
150s -
platform
windows11-21h2_x64 -
resource
win11-20240412-en -
resource tags
arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system -
submitted
17/04/2024, 15:43
Static task
static1
Behavioral task
behavioral1
Sample
d94fc9038c52a4b2f35e3358fe3d081f3cff026a4ea7f5c949212bfe04d67365.exe
Resource
win10v2004-20240412-en
General
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Target
d94fc9038c52a4b2f35e3358fe3d081f3cff026a4ea7f5c949212bfe04d67365.exe
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Size
4.2MB
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MD5
187d241121881c5b872cb0a3c1ab5dbe
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SHA1
8cfb516f71619f540341065574ad43cc8d967505
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SHA256
d94fc9038c52a4b2f35e3358fe3d081f3cff026a4ea7f5c949212bfe04d67365
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SHA512
50d7fa2b75093e5c5af47a85eb72360a1190477ecab3039cfd51c088599237becf9d5fa0f02fd524be4546122e3cd0f9a68ec703208a6f7ada189b92ae87380d
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SSDEEP
98304:uz7Cg0ld9bGpeFIidtQ9zICqBAsCsR7hN5aqRYTU7/:k7NcfZtQ9LJEd3aOYT+/
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral2/memory/2892-2-0x0000000005360000-0x0000000005C4B000-memory.dmp family_glupteba behavioral2/memory/2892-3-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral2/memory/2468-52-0x0000000005250000-0x0000000005B3B000-memory.dmp family_glupteba behavioral2/memory/2468-62-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral2/memory/2892-78-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral2/memory/2468-137-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral2/memory/2468-145-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral2/memory/1524-240-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral2/memory/1524-250-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral2/memory/1524-253-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral2/memory/1524-256-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral2/memory/1524-259-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral2/memory/1524-262-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral2/memory/1524-265-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral2/memory/1524-268-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral2/memory/1524-271-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral2/memory/1524-274-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral2/memory/1524-277-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral2/memory/1524-280-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral2/memory/1524-283-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2284 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1524 csrss.exe 4816 injector.exe 3188 windefender.exe 3924 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a9c3-243.dat upx behavioral2/memory/3188-247-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3924-251-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3924-257-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3263309122-2820180308-3568046652-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" d94fc9038c52a4b2f35e3358fe3d081f3cff026a4ea7f5c949212bfe04d67365.exe Set value (str) \REGISTRY\USER\S-1-5-21-3263309122-2820180308-3568046652-1000\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\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 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 d94fc9038c52a4b2f35e3358fe3d081f3cff026a4ea7f5c949212bfe04d67365.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss d94fc9038c52a4b2f35e3358fe3d081f3cff026a4ea7f5c949212bfe04d67365.exe File created C:\Windows\rss\csrss.exe d94fc9038c52a4b2f35e3358fe3d081f3cff026a4ea7f5c949212bfe04d67365.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 3512 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 3016 schtasks.exe 3352 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,-1411 = "Syria Daylight Time" d94fc9038c52a4b2f35e3358fe3d081f3cff026a4ea7f5c949212bfe04d67365.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2181 = "Astrakhan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" d94fc9038c52a4b2f35e3358fe3d081f3cff026a4ea7f5c949212bfe04d67365.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1932 = "Russia TZ 11 Standard Time" d94fc9038c52a4b2f35e3358fe3d081f3cff026a4ea7f5c949212bfe04d67365.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates 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\26\52C64B7E\@tzres.dll,-262 = "GMT Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-3142 = "South Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" d94fc9038c52a4b2f35e3358fe3d081f3cff026a4ea7f5c949212bfe04d67365.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" d94fc9038c52a4b2f35e3358fe3d081f3cff026a4ea7f5c949212bfe04d67365.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" d94fc9038c52a4b2f35e3358fe3d081f3cff026a4ea7f5c949212bfe04d67365.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-512 = "Central Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-182 = "Mountain Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" d94fc9038c52a4b2f35e3358fe3d081f3cff026a4ea7f5c949212bfe04d67365.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" d94fc9038c52a4b2f35e3358fe3d081f3cff026a4ea7f5c949212bfe04d67365.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time" d94fc9038c52a4b2f35e3358fe3d081f3cff026a4ea7f5c949212bfe04d67365.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time" d94fc9038c52a4b2f35e3358fe3d081f3cff026a4ea7f5c949212bfe04d67365.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root 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,-261 = "GMT Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" d94fc9038c52a4b2f35e3358fe3d081f3cff026a4ea7f5c949212bfe04d67365.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time" d94fc9038c52a4b2f35e3358fe3d081f3cff026a4ea7f5c949212bfe04d67365.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2532 = "Chatham Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2771 = "Omsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time" d94fc9038c52a4b2f35e3358fe3d081f3cff026a4ea7f5c949212bfe04d67365.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" d94fc9038c52a4b2f35e3358fe3d081f3cff026a4ea7f5c949212bfe04d67365.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs 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\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" d94fc9038c52a4b2f35e3358fe3d081f3cff026a4ea7f5c949212bfe04d67365.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" d94fc9038c52a4b2f35e3358fe3d081f3cff026a4ea7f5c949212bfe04d67365.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time" d94fc9038c52a4b2f35e3358fe3d081f3cff026a4ea7f5c949212bfe04d67365.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.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\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" d94fc9038c52a4b2f35e3358fe3d081f3cff026a4ea7f5c949212bfe04d67365.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" d94fc9038c52a4b2f35e3358fe3d081f3cff026a4ea7f5c949212bfe04d67365.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-932 = "Coordinated Universal Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2751 = "Tomsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time" d94fc9038c52a4b2f35e3358fe3d081f3cff026a4ea7f5c949212bfe04d67365.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time" d94fc9038c52a4b2f35e3358fe3d081f3cff026a4ea7f5c949212bfe04d67365.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,-82 = "Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-3052 = "Qyzylorda Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1832 = "Russia TZ 2 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time" d94fc9038c52a4b2f35e3358fe3d081f3cff026a4ea7f5c949212bfe04d67365.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1688 powershell.exe 1688 powershell.exe 2892 d94fc9038c52a4b2f35e3358fe3d081f3cff026a4ea7f5c949212bfe04d67365.exe 2892 d94fc9038c52a4b2f35e3358fe3d081f3cff026a4ea7f5c949212bfe04d67365.exe 832 powershell.exe 832 powershell.exe 2468 d94fc9038c52a4b2f35e3358fe3d081f3cff026a4ea7f5c949212bfe04d67365.exe 2468 d94fc9038c52a4b2f35e3358fe3d081f3cff026a4ea7f5c949212bfe04d67365.exe 2468 d94fc9038c52a4b2f35e3358fe3d081f3cff026a4ea7f5c949212bfe04d67365.exe 2468 d94fc9038c52a4b2f35e3358fe3d081f3cff026a4ea7f5c949212bfe04d67365.exe 2468 d94fc9038c52a4b2f35e3358fe3d081f3cff026a4ea7f5c949212bfe04d67365.exe 2468 d94fc9038c52a4b2f35e3358fe3d081f3cff026a4ea7f5c949212bfe04d67365.exe 2468 d94fc9038c52a4b2f35e3358fe3d081f3cff026a4ea7f5c949212bfe04d67365.exe 2468 d94fc9038c52a4b2f35e3358fe3d081f3cff026a4ea7f5c949212bfe04d67365.exe 2468 d94fc9038c52a4b2f35e3358fe3d081f3cff026a4ea7f5c949212bfe04d67365.exe 2468 d94fc9038c52a4b2f35e3358fe3d081f3cff026a4ea7f5c949212bfe04d67365.exe 5116 powershell.exe 5116 powershell.exe 3852 powershell.exe 3852 powershell.exe 1728 powershell.exe 1728 powershell.exe 2840 powershell.exe 2840 powershell.exe 5112 powershell.exe 5112 powershell.exe 4816 injector.exe 4816 injector.exe 4816 injector.exe 4816 injector.exe 4816 injector.exe 4816 injector.exe 1524 csrss.exe 1524 csrss.exe 4816 injector.exe 4816 injector.exe 4816 injector.exe 4816 injector.exe 4816 injector.exe 4816 injector.exe 1524 csrss.exe 1524 csrss.exe 4816 injector.exe 4816 injector.exe 1524 csrss.exe 1524 csrss.exe 4816 injector.exe 4816 injector.exe 4816 injector.exe 4816 injector.exe 4816 injector.exe 4816 injector.exe 4816 injector.exe 4816 injector.exe 4816 injector.exe 4816 injector.exe 4816 injector.exe 4816 injector.exe 4816 injector.exe 4816 injector.exe 4816 injector.exe 4816 injector.exe 4816 injector.exe 4816 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1688 powershell.exe Token: SeDebugPrivilege 2892 d94fc9038c52a4b2f35e3358fe3d081f3cff026a4ea7f5c949212bfe04d67365.exe Token: SeImpersonatePrivilege 2892 d94fc9038c52a4b2f35e3358fe3d081f3cff026a4ea7f5c949212bfe04d67365.exe Token: SeDebugPrivilege 832 powershell.exe Token: SeDebugPrivilege 5116 powershell.exe Token: SeDebugPrivilege 3852 powershell.exe Token: SeDebugPrivilege 1728 powershell.exe Token: SeDebugPrivilege 2840 powershell.exe Token: SeDebugPrivilege 5112 powershell.exe Token: SeSystemEnvironmentPrivilege 1524 csrss.exe Token: SeSecurityPrivilege 3512 sc.exe Token: SeSecurityPrivilege 3512 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2892 wrote to memory of 1688 2892 d94fc9038c52a4b2f35e3358fe3d081f3cff026a4ea7f5c949212bfe04d67365.exe 83 PID 2892 wrote to memory of 1688 2892 d94fc9038c52a4b2f35e3358fe3d081f3cff026a4ea7f5c949212bfe04d67365.exe 83 PID 2892 wrote to memory of 1688 2892 d94fc9038c52a4b2f35e3358fe3d081f3cff026a4ea7f5c949212bfe04d67365.exe 83 PID 2468 wrote to memory of 832 2468 d94fc9038c52a4b2f35e3358fe3d081f3cff026a4ea7f5c949212bfe04d67365.exe 88 PID 2468 wrote to memory of 832 2468 d94fc9038c52a4b2f35e3358fe3d081f3cff026a4ea7f5c949212bfe04d67365.exe 88 PID 2468 wrote to memory of 832 2468 d94fc9038c52a4b2f35e3358fe3d081f3cff026a4ea7f5c949212bfe04d67365.exe 88 PID 2468 wrote to memory of 1364 2468 d94fc9038c52a4b2f35e3358fe3d081f3cff026a4ea7f5c949212bfe04d67365.exe 90 PID 2468 wrote to memory of 1364 2468 d94fc9038c52a4b2f35e3358fe3d081f3cff026a4ea7f5c949212bfe04d67365.exe 90 PID 1364 wrote to memory of 2284 1364 cmd.exe 92 PID 1364 wrote to memory of 2284 1364 cmd.exe 92 PID 2468 wrote to memory of 5116 2468 d94fc9038c52a4b2f35e3358fe3d081f3cff026a4ea7f5c949212bfe04d67365.exe 93 PID 2468 wrote to memory of 5116 2468 d94fc9038c52a4b2f35e3358fe3d081f3cff026a4ea7f5c949212bfe04d67365.exe 93 PID 2468 wrote to memory of 5116 2468 d94fc9038c52a4b2f35e3358fe3d081f3cff026a4ea7f5c949212bfe04d67365.exe 93 PID 2468 wrote to memory of 3852 2468 d94fc9038c52a4b2f35e3358fe3d081f3cff026a4ea7f5c949212bfe04d67365.exe 95 PID 2468 wrote to memory of 3852 2468 d94fc9038c52a4b2f35e3358fe3d081f3cff026a4ea7f5c949212bfe04d67365.exe 95 PID 2468 wrote to memory of 3852 2468 d94fc9038c52a4b2f35e3358fe3d081f3cff026a4ea7f5c949212bfe04d67365.exe 95 PID 2468 wrote to memory of 1524 2468 d94fc9038c52a4b2f35e3358fe3d081f3cff026a4ea7f5c949212bfe04d67365.exe 97 PID 2468 wrote to memory of 1524 2468 d94fc9038c52a4b2f35e3358fe3d081f3cff026a4ea7f5c949212bfe04d67365.exe 97 PID 2468 wrote to memory of 1524 2468 d94fc9038c52a4b2f35e3358fe3d081f3cff026a4ea7f5c949212bfe04d67365.exe 97 PID 1524 wrote to memory of 1728 1524 csrss.exe 98 PID 1524 wrote to memory of 1728 1524 csrss.exe 98 PID 1524 wrote to memory of 1728 1524 csrss.exe 98 PID 1524 wrote to memory of 2840 1524 csrss.exe 104 PID 1524 wrote to memory of 2840 1524 csrss.exe 104 PID 1524 wrote to memory of 2840 1524 csrss.exe 104 PID 1524 wrote to memory of 5112 1524 csrss.exe 106 PID 1524 wrote to memory of 5112 1524 csrss.exe 106 PID 1524 wrote to memory of 5112 1524 csrss.exe 106 PID 1524 wrote to memory of 4816 1524 csrss.exe 108 PID 1524 wrote to memory of 4816 1524 csrss.exe 108 PID 3188 wrote to memory of 3144 3188 windefender.exe 114 PID 3188 wrote to memory of 3144 3188 windefender.exe 114 PID 3188 wrote to memory of 3144 3188 windefender.exe 114 PID 3144 wrote to memory of 3512 3144 cmd.exe 115 PID 3144 wrote to memory of 3512 3144 cmd.exe 115 PID 3144 wrote to memory of 3512 3144 cmd.exe 115 -
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\d94fc9038c52a4b2f35e3358fe3d081f3cff026a4ea7f5c949212bfe04d67365.exe"C:\Users\Admin\AppData\Local\Temp\d94fc9038c52a4b2f35e3358fe3d081f3cff026a4ea7f5c949212bfe04d67365.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2892 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1688
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C:\Users\Admin\AppData\Local\Temp\d94fc9038c52a4b2f35e3358fe3d081f3cff026a4ea7f5c949212bfe04d67365.exe"C:\Users\Admin\AppData\Local\Temp\d94fc9038c52a4b2f35e3358fe3d081f3cff026a4ea7f5c949212bfe04d67365.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:2468 -
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:832
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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:1364 -
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:2284
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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:5116
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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:3852
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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:1524 -
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:1728
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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:3016
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1692
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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:2840
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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:5112
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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:4816
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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:3352
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3188 -
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:3144 -
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:3512
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3924
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD588ab28223dbacb4db13fb147ba43371e
SHA12297d8b7fcc2ffb70b4407614c05d9818e3064b7
SHA256b1079297c95f678b2dbbd82b790868dd15ed322ba6e108ee0274f8d0dbc6a846
SHA512faf657d9a3fa04ff9922e181e7b0d519c22dcdfed1cb4306ca8c8078931bf42d415bb796e8412542ca3499b8d8803ae748a16b3a0bd6b2249adb0e33a6dfbcd6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e2f836dd20dfb47533b6295493c0edf3
SHA18b5df1b81a1463576964036d5d4bec7967ea6bf5
SHA256e171ac52489976226227135fc522219334045aefeccadeec7be1508ccbab3f9b
SHA5122462eb497986eacdf1f301c9f098659f5df48ce8af2a1b847d7fcd386fb29e88120f81ffef47d650e06044adca180076a56597968d1416ddc97625815a64d36e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5073346dd26cd51f111072234c9661f16
SHA105d947c49458f1176709cb55a9148c54ede6c595
SHA256e30bc5fb7c753dc9b067f9ead74309d712a13251658d5f9fa1dfe3a47542c95b
SHA512447f1c3ae0f72d76769bda55c6dffd80ab5db17a3ebb84a321b67d85b5651c736d7eb6ad10d825d42961062cb14ef8b492b0bd551fa122afc0ef8b2b02d1d206
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5150d82c66cdda7d0cb47fe1308e9a4b6
SHA15653c96568ee7d28142c3e2c2734232dfbea6b20
SHA2563d97914279946309bab852eb7450dfef3e3c26c4464d54dc625b65ddd4a47317
SHA512fafc427b26f54f61757604f7421c433530e2c8aa8c7b6b9efbaf1950fe3299925126b7f670088ef4f341d1919ed1d166da67d4f46791a1d9497a7b8784d54185
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD528c0181214f9206fd4e13ca02ecb0271
SHA1c6a2214429d8a445281e93672b976fea6d0802f0
SHA2566b1f78aecb36765a01e490036f271326d610b8c8df99f1f5d0f1d1bad9d67ae6
SHA5125d0119452e9e605ab7b27365087de133835d8236d1bcc42c0da535bc967b105994e110eb236832a7e8a2b08eabb72e28906966dd3c6610d6d6360cc91f02d7cc
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Filesize
4.2MB
MD5187d241121881c5b872cb0a3c1ab5dbe
SHA18cfb516f71619f540341065574ad43cc8d967505
SHA256d94fc9038c52a4b2f35e3358fe3d081f3cff026a4ea7f5c949212bfe04d67365
SHA51250d7fa2b75093e5c5af47a85eb72360a1190477ecab3039cfd51c088599237becf9d5fa0f02fd524be4546122e3cd0f9a68ec703208a6f7ada189b92ae87380d
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec