Analysis
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max time kernel
149s -
max time network
124s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
17-05-2024 09:55
Static task
static1
Behavioral task
behavioral1
Sample
8139bbb77f31c06c640019c849c3a13a3c5857c94286d0f36e6de0e4754a495e.exe
Resource
win10v2004-20240508-en
General
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Target
8139bbb77f31c06c640019c849c3a13a3c5857c94286d0f36e6de0e4754a495e.exe
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Size
4.1MB
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MD5
5a674dad4f34f0655f3f552f3eeca3d0
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SHA1
c7ab98d205ac02f65901bc75ed10d3146078ee18
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SHA256
8139bbb77f31c06c640019c849c3a13a3c5857c94286d0f36e6de0e4754a495e
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SHA512
20b8f6d7230bab1f6c92f648380ed8895e4db9dd8fae742a18e29d719652ca7a03c81c17706eabd08ca54a7c22389a98a74902772824072c6949d3df8fa1ce1f
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SSDEEP
98304:UhY2qRRjR1paGoDMO/b2fpl9vUYBzPUd5cvaqxgKnFtiaj:qYlRLXY4O+pXvrLaqWucG
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/2784-2-0x0000000004D40000-0x000000000562B000-memory.dmp family_glupteba behavioral1/memory/2784-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2784-4-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/2784-57-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/2784-84-0x0000000004D40000-0x000000000562B000-memory.dmp family_glupteba behavioral1/memory/5044-83-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/2784-110-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/5044-139-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/2324-153-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/2324-222-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/2324-234-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/2324-237-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/2324-242-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/2324-246-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/2324-250-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/2324-253-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/2324-258-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/2324-262-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/2324-266-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2916 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2324 csrss.exe 3960 injector.exe 1628 windefender.exe 448 windefender.exe -
resource yara_rule behavioral1/files/0x0008000000023444-227.dat upx behavioral1/memory/1628-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/448-231-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1628-233-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/448-238-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/448-245-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 8139bbb77f31c06c640019c849c3a13a3c5857c94286d0f36e6de0e4754a495e.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 8139bbb77f31c06c640019c849c3a13a3c5857c94286d0f36e6de0e4754a495e.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 8139bbb77f31c06c640019c849c3a13a3c5857c94286d0f36e6de0e4754a495e.exe File created C:\Windows\rss\csrss.exe 8139bbb77f31c06c640019c849c3a13a3c5857c94286d0f36e6de0e4754a495e.exe File created 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 2256 sc.exe -
pid Process 912 powershell.exe 4232 powershell.exe 4968 powershell.exe 700 powershell.exe 4712 powershell.exe 2896 powershell.exe 2144 powershell.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 5080 schtasks.exe 976 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,-1502 = "Turkey Standard Time" 8139bbb77f31c06c640019c849c3a13a3c5857c94286d0f36e6de0e4754a495e.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time" 8139bbb77f31c06c640019c849c3a13a3c5857c94286d0f36e6de0e4754a495e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" 8139bbb77f31c06c640019c849c3a13a3c5857c94286d0f36e6de0e4754a495e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" 8139bbb77f31c06c640019c849c3a13a3c5857c94286d0f36e6de0e4754a495e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time" 8139bbb77f31c06c640019c849c3a13a3c5857c94286d0f36e6de0e4754a495e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-161 = "Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-682 = "E. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" 8139bbb77f31c06c640019c849c3a13a3c5857c94286d0f36e6de0e4754a495e.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" 8139bbb77f31c06c640019c849c3a13a3c5857c94286d0f36e6de0e4754a495e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-752 = "Tonga Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" 8139bbb77f31c06c640019c849c3a13a3c5857c94286d0f36e6de0e4754a495e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time" 8139bbb77f31c06c640019c849c3a13a3c5857c94286d0f36e6de0e4754a495e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-121 = "SA Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" 8139bbb77f31c06c640019c849c3a13a3c5857c94286d0f36e6de0e4754a495e.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" 8139bbb77f31c06c640019c849c3a13a3c5857c94286d0f36e6de0e4754a495e.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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" 8139bbb77f31c06c640019c849c3a13a3c5857c94286d0f36e6de0e4754a495e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. Standard Time" 8139bbb77f31c06c640019c849c3a13a3c5857c94286d0f36e6de0e4754a495e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time" 8139bbb77f31c06c640019c849c3a13a3c5857c94286d0f36e6de0e4754a495e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time" 8139bbb77f31c06c640019c849c3a13a3c5857c94286d0f36e6de0e4754a495e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-41 = "E. South America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-621 = "Korea Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-301 = "Romance Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time" 8139bbb77f31c06c640019c849c3a13a3c5857c94286d0f36e6de0e4754a495e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-411 = "E. Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-341 = "Egypt Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-241 = "Samoa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3142 = "South Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-632 = "Tokyo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time" 8139bbb77f31c06c640019c849c3a13a3c5857c94286d0f36e6de0e4754a495e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" 8139bbb77f31c06c640019c849c3a13a3c5857c94286d0f36e6de0e4754a495e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-732 = "Fiji Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2871 = "Magallanes Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1912 = "Russia TZ 10 Standard Time" windefender.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\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2162 = "Altai Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time" 8139bbb77f31c06c640019c849c3a13a3c5857c94286d0f36e6de0e4754a495e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time" 8139bbb77f31c06c640019c849c3a13a3c5857c94286d0f36e6de0e4754a495e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs 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,-681 = "E. Australia Daylight Time" 8139bbb77f31c06c640019c849c3a13a3c5857c94286d0f36e6de0e4754a495e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time" 8139bbb77f31c06c640019c849c3a13a3c5857c94286d0f36e6de0e4754a495e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" 8139bbb77f31c06c640019c849c3a13a3c5857c94286d0f36e6de0e4754a495e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" 8139bbb77f31c06c640019c849c3a13a3c5857c94286d0f36e6de0e4754a495e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2391 = "Aleutian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2571 = "Turks and Caicos Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-385 = "Namibia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" 8139bbb77f31c06c640019c849c3a13a3c5857c94286d0f36e6de0e4754a495e.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2896 powershell.exe 2896 powershell.exe 2784 8139bbb77f31c06c640019c849c3a13a3c5857c94286d0f36e6de0e4754a495e.exe 2784 8139bbb77f31c06c640019c849c3a13a3c5857c94286d0f36e6de0e4754a495e.exe 2144 powershell.exe 2144 powershell.exe 5044 8139bbb77f31c06c640019c849c3a13a3c5857c94286d0f36e6de0e4754a495e.exe 5044 8139bbb77f31c06c640019c849c3a13a3c5857c94286d0f36e6de0e4754a495e.exe 5044 8139bbb77f31c06c640019c849c3a13a3c5857c94286d0f36e6de0e4754a495e.exe 5044 8139bbb77f31c06c640019c849c3a13a3c5857c94286d0f36e6de0e4754a495e.exe 5044 8139bbb77f31c06c640019c849c3a13a3c5857c94286d0f36e6de0e4754a495e.exe 5044 8139bbb77f31c06c640019c849c3a13a3c5857c94286d0f36e6de0e4754a495e.exe 5044 8139bbb77f31c06c640019c849c3a13a3c5857c94286d0f36e6de0e4754a495e.exe 5044 8139bbb77f31c06c640019c849c3a13a3c5857c94286d0f36e6de0e4754a495e.exe 5044 8139bbb77f31c06c640019c849c3a13a3c5857c94286d0f36e6de0e4754a495e.exe 5044 8139bbb77f31c06c640019c849c3a13a3c5857c94286d0f36e6de0e4754a495e.exe 912 powershell.exe 912 powershell.exe 4232 powershell.exe 4232 powershell.exe 4968 powershell.exe 4968 powershell.exe 700 powershell.exe 700 powershell.exe 4712 powershell.exe 4712 powershell.exe 3960 injector.exe 3960 injector.exe 3960 injector.exe 3960 injector.exe 3960 injector.exe 3960 injector.exe 3960 injector.exe 3960 injector.exe 2324 csrss.exe 2324 csrss.exe 3960 injector.exe 3960 injector.exe 3960 injector.exe 3960 injector.exe 2324 csrss.exe 2324 csrss.exe 3960 injector.exe 3960 injector.exe 3960 injector.exe 3960 injector.exe 2324 csrss.exe 2324 csrss.exe 3960 injector.exe 3960 injector.exe 3960 injector.exe 3960 injector.exe 3960 injector.exe 3960 injector.exe 3960 injector.exe 3960 injector.exe 3960 injector.exe 3960 injector.exe 3960 injector.exe 3960 injector.exe 3960 injector.exe 3960 injector.exe 3960 injector.exe 3960 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2896 powershell.exe Token: SeDebugPrivilege 2784 8139bbb77f31c06c640019c849c3a13a3c5857c94286d0f36e6de0e4754a495e.exe Token: SeImpersonatePrivilege 2784 8139bbb77f31c06c640019c849c3a13a3c5857c94286d0f36e6de0e4754a495e.exe Token: SeDebugPrivilege 2144 powershell.exe Token: SeDebugPrivilege 912 powershell.exe Token: SeDebugPrivilege 4232 powershell.exe Token: SeDebugPrivilege 4968 powershell.exe Token: SeDebugPrivilege 700 powershell.exe Token: SeDebugPrivilege 4712 powershell.exe Token: SeSystemEnvironmentPrivilege 2324 csrss.exe Token: SeSecurityPrivilege 2256 sc.exe Token: SeSecurityPrivilege 2256 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2784 wrote to memory of 2896 2784 8139bbb77f31c06c640019c849c3a13a3c5857c94286d0f36e6de0e4754a495e.exe 94 PID 2784 wrote to memory of 2896 2784 8139bbb77f31c06c640019c849c3a13a3c5857c94286d0f36e6de0e4754a495e.exe 94 PID 2784 wrote to memory of 2896 2784 8139bbb77f31c06c640019c849c3a13a3c5857c94286d0f36e6de0e4754a495e.exe 94 PID 5044 wrote to memory of 2144 5044 8139bbb77f31c06c640019c849c3a13a3c5857c94286d0f36e6de0e4754a495e.exe 99 PID 5044 wrote to memory of 2144 5044 8139bbb77f31c06c640019c849c3a13a3c5857c94286d0f36e6de0e4754a495e.exe 99 PID 5044 wrote to memory of 2144 5044 8139bbb77f31c06c640019c849c3a13a3c5857c94286d0f36e6de0e4754a495e.exe 99 PID 5044 wrote to memory of 1788 5044 8139bbb77f31c06c640019c849c3a13a3c5857c94286d0f36e6de0e4754a495e.exe 101 PID 5044 wrote to memory of 1788 5044 8139bbb77f31c06c640019c849c3a13a3c5857c94286d0f36e6de0e4754a495e.exe 101 PID 1788 wrote to memory of 2916 1788 cmd.exe 103 PID 1788 wrote to memory of 2916 1788 cmd.exe 103 PID 5044 wrote to memory of 912 5044 8139bbb77f31c06c640019c849c3a13a3c5857c94286d0f36e6de0e4754a495e.exe 105 PID 5044 wrote to memory of 912 5044 8139bbb77f31c06c640019c849c3a13a3c5857c94286d0f36e6de0e4754a495e.exe 105 PID 5044 wrote to memory of 912 5044 8139bbb77f31c06c640019c849c3a13a3c5857c94286d0f36e6de0e4754a495e.exe 105 PID 5044 wrote to memory of 4232 5044 8139bbb77f31c06c640019c849c3a13a3c5857c94286d0f36e6de0e4754a495e.exe 107 PID 5044 wrote to memory of 4232 5044 8139bbb77f31c06c640019c849c3a13a3c5857c94286d0f36e6de0e4754a495e.exe 107 PID 5044 wrote to memory of 4232 5044 8139bbb77f31c06c640019c849c3a13a3c5857c94286d0f36e6de0e4754a495e.exe 107 PID 5044 wrote to memory of 2324 5044 8139bbb77f31c06c640019c849c3a13a3c5857c94286d0f36e6de0e4754a495e.exe 110 PID 5044 wrote to memory of 2324 5044 8139bbb77f31c06c640019c849c3a13a3c5857c94286d0f36e6de0e4754a495e.exe 110 PID 5044 wrote to memory of 2324 5044 8139bbb77f31c06c640019c849c3a13a3c5857c94286d0f36e6de0e4754a495e.exe 110 PID 2324 wrote to memory of 4968 2324 csrss.exe 111 PID 2324 wrote to memory of 4968 2324 csrss.exe 111 PID 2324 wrote to memory of 4968 2324 csrss.exe 111 PID 2324 wrote to memory of 700 2324 csrss.exe 116 PID 2324 wrote to memory of 700 2324 csrss.exe 116 PID 2324 wrote to memory of 700 2324 csrss.exe 116 PID 2324 wrote to memory of 4712 2324 csrss.exe 119 PID 2324 wrote to memory of 4712 2324 csrss.exe 119 PID 2324 wrote to memory of 4712 2324 csrss.exe 119 PID 2324 wrote to memory of 3960 2324 csrss.exe 121 PID 2324 wrote to memory of 3960 2324 csrss.exe 121 PID 1628 wrote to memory of 3280 1628 windefender.exe 127 PID 1628 wrote to memory of 3280 1628 windefender.exe 127 PID 1628 wrote to memory of 3280 1628 windefender.exe 127 PID 3280 wrote to memory of 2256 3280 cmd.exe 128 PID 3280 wrote to memory of 2256 3280 cmd.exe 128 PID 3280 wrote to memory of 2256 3280 cmd.exe 128 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\8139bbb77f31c06c640019c849c3a13a3c5857c94286d0f36e6de0e4754a495e.exe"C:\Users\Admin\AppData\Local\Temp\8139bbb77f31c06c640019c849c3a13a3c5857c94286d0f36e6de0e4754a495e.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2784 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2896
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C:\Users\Admin\AppData\Local\Temp\8139bbb77f31c06c640019c849c3a13a3c5857c94286d0f36e6de0e4754a495e.exe"C:\Users\Admin\AppData\Local\Temp\8139bbb77f31c06c640019c849c3a13a3c5857c94286d0f36e6de0e4754a495e.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:5044 -
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:2144
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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:1788 -
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:2916
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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:912
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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:4232
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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:2324 -
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:4968
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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:5080
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4964
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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:700
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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:4712
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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:3960
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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:976
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1628 -
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:3280 -
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:2256
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:448
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
MD5c41bac78e1d32d885eaeb0ecefe2bf39
SHA125b39eca7d063066a5012bfebff42e6d96db75d5
SHA2568a46167f6909a91e5d996974240bcde1cf342572c7c47a37ef1ad180ca7a78d9
SHA512b41747c268b4d3a3155b4c21197165e3d91549f634edebbaecf1978e5b997f829f34947c90e06b49546a6f7e3347abc68a99abf9eb71398cb5f1d8c5dc06e9f1
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD524aa020e989e2d77d5c266c2b67b8df8
SHA16702f429bcf13da466eb786949f4c345c528cbcb
SHA2565e108fe9ac60adc7eeb3dfbf186c1d1eca6fd9e74fd62f6b119885d3a3a40479
SHA5124f887b8aa776516730c109de839cd8787803a67b321ce1178611b2cc27188be35dfda64a15dfb7937862b1d3b83b920bb686a661093fcc6849355b140fb4e665
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53eac8a9b934600f56f1106b3bfa6df76
SHA17f79e945bf4b6d76cd4a4f712164d77fda17b7e6
SHA256185a4f152d8ed2dcf1e6f17bed1cceacc3d87d49d58f92d24b5708e358afe6db
SHA51223ac5c140f33e5b2bd87cf15e73af7678f384dd896d08b9cd13bfc9bc3bb8fc7adb2861212c9934db04a30916a05a94c7acdd78ea56959cf452c2488defb5968
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d9ad802fd16455360b8bb7b29ce462dc
SHA1e5dc059c93e037fabb9d074d92e88d00338ba9f4
SHA2569992bfb86c2ef26a8fd710a1e445f07fd7c0e4f6234d9b28e7260dd658afcf19
SHA5120c76fbb1232a877544d9dfddf17b94d29b7bab7621ace53bf36ff0aafde032275e4dbd124302a73f4e79c5f3da6780d4ef14088b943b19567467743e21d30215
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a6aa9045cb2be2799a5311d891f89e55
SHA1bac1603255a490d0772f832275345cb42c1b4682
SHA256b9897c6fdd1fd5dce761a628b559bd4d07d362f5a53c24ccf62e28f4a7dd2939
SHA5127c5c78479042759551fb82dde25fd83981305d57ef734e432c8ccc8a0dfec93131e7d79a335c4ba97bf70b5c23db5e815c04d780714e66e1bc441dfdb0160902
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Filesize
4.1MB
MD55a674dad4f34f0655f3f552f3eeca3d0
SHA1c7ab98d205ac02f65901bc75ed10d3146078ee18
SHA2568139bbb77f31c06c640019c849c3a13a3c5857c94286d0f36e6de0e4754a495e
SHA51220b8f6d7230bab1f6c92f648380ed8895e4db9dd8fae742a18e29d719652ca7a03c81c17706eabd08ca54a7c22389a98a74902772824072c6949d3df8fa1ce1f
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec