Analysis
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max time kernel
149s -
max time network
150s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
15-05-2024 15:28
Static task
static1
Behavioral task
behavioral1
Sample
d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.exe
Resource
win10v2004-20240508-en
General
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Target
d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.exe
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Size
4.1MB
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MD5
cfd07b9cd4a95813076c3c914028a4e5
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SHA1
4ba8f87c3289a6a2e42bd6ef63c1565a5fe18362
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SHA256
d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977
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SHA512
8380426cf3fc4167dec1ea2513aeb7664adeb99052b5ee0739d02c6600474017c793dc18761b4e15e695b1dadc40a275f88907381e75b461d720310c0b03dbae
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SSDEEP
98304:M4ziXPD6JlCwAB9MdaGWF4olx/WA7Yvzbb8JpNu:M4G/GRAB9MdaGBolx/WzuY
Malware Config
Signatures
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Glupteba payload 17 IoCs
resource yara_rule behavioral2/memory/2400-2-0x0000000004DD0000-0x00000000056BB000-memory.dmp family_glupteba behavioral2/memory/2400-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2400-52-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/2400-54-0x0000000004DD0000-0x00000000056BB000-memory.dmp family_glupteba behavioral2/memory/2400-56-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4072-128-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/1028-150-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/1028-205-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/1028-217-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/1028-221-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/1028-225-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/1028-229-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/1028-233-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/1028-237-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/1028-241-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/1028-245-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/1028-249-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3280 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1028 csrss.exe 5020 injector.exe 4352 windefender.exe 420 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa3b-208.dat upx behavioral2/memory/4352-209-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/420-212-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4352-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/420-219-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/420-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1672260578-815027929-964132517-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.exe Set value (str) \REGISTRY\USER\S-1-5-21-1672260578-815027929-964132517-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.exe File created C:\Windows\rss\csrss.exe d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 1952 sc.exe -
pid Process 4480 powershell.exe 4140 powershell.exe 3344 powershell.exe 552 powershell.exe 1912 powershell.exe 2248 powershell.exe 1752 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 1528 schtasks.exe 4548 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\@tzres.dll,-1842 = "Russia TZ 4 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1801 = "Line Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-215 = "Pacific Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2891 = "Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time" d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1662 = "Bahia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2001 = "Cabo Verde Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time" d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.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,-105 = "Central Brazilian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-364 = "Middle East 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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-601 = "Taipei Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2591 = "Tocantins Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-391 = "Arab Daylight 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" d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-11 = "Azores Daylight Time" windefender.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" d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2791 = "Novosibirsk Daylight Time" d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time" d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-982 = "Kamchatka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2872 = "Magallanes Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-211 = "Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time" d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2571 = "Turks and Caicos Daylight Time" d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.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\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time" d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time" d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.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\2a\52C64B7E\@tzres.dll,-182 = "Mountain Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-831 = "SA Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1412 = "Syria Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time" d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.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,-981 = "Kamchatka Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-462 = "Afghanistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time" d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time" d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-221 = "Alaskan Daylight Time" d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time" d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.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,-672 = "AUS Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time" d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1752 powershell.exe 1752 powershell.exe 2400 d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.exe 2400 d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.exe 4480 powershell.exe 4480 powershell.exe 4072 d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.exe 4072 d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.exe 4072 d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.exe 4072 d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.exe 4072 d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.exe 4072 d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.exe 4072 d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.exe 4072 d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.exe 4072 d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.exe 4072 d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.exe 4140 powershell.exe 4140 powershell.exe 3344 powershell.exe 3344 powershell.exe 552 powershell.exe 552 powershell.exe 1912 powershell.exe 1912 powershell.exe 2248 powershell.exe 2248 powershell.exe 5020 injector.exe 5020 injector.exe 5020 injector.exe 5020 injector.exe 5020 injector.exe 5020 injector.exe 1028 csrss.exe 1028 csrss.exe 5020 injector.exe 5020 injector.exe 5020 injector.exe 5020 injector.exe 5020 injector.exe 5020 injector.exe 1028 csrss.exe 1028 csrss.exe 5020 injector.exe 5020 injector.exe 1028 csrss.exe 1028 csrss.exe 5020 injector.exe 5020 injector.exe 5020 injector.exe 5020 injector.exe 5020 injector.exe 5020 injector.exe 5020 injector.exe 5020 injector.exe 5020 injector.exe 5020 injector.exe 5020 injector.exe 5020 injector.exe 5020 injector.exe 5020 injector.exe 5020 injector.exe 5020 injector.exe 5020 injector.exe 5020 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1752 powershell.exe Token: SeDebugPrivilege 2400 d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.exe Token: SeImpersonatePrivilege 2400 d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.exe Token: SeDebugPrivilege 4480 powershell.exe Token: SeDebugPrivilege 4140 powershell.exe Token: SeDebugPrivilege 3344 powershell.exe Token: SeDebugPrivilege 552 powershell.exe Token: SeDebugPrivilege 1912 powershell.exe Token: SeDebugPrivilege 2248 powershell.exe Token: SeSystemEnvironmentPrivilege 1028 csrss.exe Token: SeSecurityPrivilege 1952 sc.exe Token: SeSecurityPrivilege 1952 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2400 wrote to memory of 1752 2400 d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.exe 82 PID 2400 wrote to memory of 1752 2400 d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.exe 82 PID 2400 wrote to memory of 1752 2400 d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.exe 82 PID 4072 wrote to memory of 4480 4072 d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.exe 87 PID 4072 wrote to memory of 4480 4072 d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.exe 87 PID 4072 wrote to memory of 4480 4072 d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.exe 87 PID 4072 wrote to memory of 2416 4072 d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.exe 89 PID 4072 wrote to memory of 2416 4072 d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.exe 89 PID 2416 wrote to memory of 3280 2416 cmd.exe 91 PID 2416 wrote to memory of 3280 2416 cmd.exe 91 PID 4072 wrote to memory of 4140 4072 d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.exe 92 PID 4072 wrote to memory of 4140 4072 d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.exe 92 PID 4072 wrote to memory of 4140 4072 d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.exe 92 PID 4072 wrote to memory of 3344 4072 d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.exe 94 PID 4072 wrote to memory of 3344 4072 d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.exe 94 PID 4072 wrote to memory of 3344 4072 d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.exe 94 PID 4072 wrote to memory of 1028 4072 d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.exe 96 PID 4072 wrote to memory of 1028 4072 d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.exe 96 PID 4072 wrote to memory of 1028 4072 d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.exe 96 PID 1028 wrote to memory of 552 1028 csrss.exe 97 PID 1028 wrote to memory of 552 1028 csrss.exe 97 PID 1028 wrote to memory of 552 1028 csrss.exe 97 PID 1028 wrote to memory of 1912 1028 csrss.exe 103 PID 1028 wrote to memory of 1912 1028 csrss.exe 103 PID 1028 wrote to memory of 1912 1028 csrss.exe 103 PID 1028 wrote to memory of 2248 1028 csrss.exe 105 PID 1028 wrote to memory of 2248 1028 csrss.exe 105 PID 1028 wrote to memory of 2248 1028 csrss.exe 105 PID 1028 wrote to memory of 5020 1028 csrss.exe 107 PID 1028 wrote to memory of 5020 1028 csrss.exe 107 PID 4352 wrote to memory of 4796 4352 windefender.exe 113 PID 4352 wrote to memory of 4796 4352 windefender.exe 113 PID 4352 wrote to memory of 4796 4352 windefender.exe 113 PID 4796 wrote to memory of 1952 4796 cmd.exe 114 PID 4796 wrote to memory of 1952 4796 cmd.exe 114 PID 4796 wrote to memory of 1952 4796 cmd.exe 114 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.exe"C:\Users\Admin\AppData\Local\Temp\d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2400 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1752
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C:\Users\Admin\AppData\Local\Temp\d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.exe"C:\Users\Admin\AppData\Local\Temp\d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.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:4072 -
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:4480
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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:2416 -
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:3280
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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:4140
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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:3344
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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:1028 -
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:552
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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:1528
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2340
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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:1912
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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:2248
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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:5020
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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:4548
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4352 -
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:4796 -
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:1952
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:420
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
MD5cc018dad66832bcf37f0e6f78cc954ff
SHA161a76f0a89bdb8a3a76db50be1bfa7fccc936f01
SHA256ed2798e85292862926614c99973de5639ba655e317af84e297fa7ae13e864a34
SHA512f26c2c7f2ab24b3c0ca8078ed8cff930e2833d51f59ee994b452accd1de5c6c1d8846022b6febadf7c85264a43506834c2473b022097ba84c472d246b5c03599
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58c2444a05ffd16899344467c726e53e6
SHA1dae878c5fa07e524ca214663c185c2ba85a4ebe9
SHA256f9f604f7c236bcbdf760d45860bf36bf1aa2c9091a0e7197827952dd21038652
SHA51278a917b681c405db03a51ba97a72762f70d7862591de6023225a3a6d1ebe71c18f31e6d38f92920417f9cf2f6aa2bc51af7ef531bf4cf35ffdbfd196bffab40a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a0ea9818f036bf25864ddaf2f547c660
SHA11f02b097398aa491c0132d3a12fc45be679d5c8a
SHA2567963f14917dfd39e54f96a1f6a0ca311cc9897845f4f58452169837d718b5d7d
SHA512aec53971e7d633b4d190bac1d03b099919b8d644058fad5e49f4b500187a47e74605f79bdfaa9d85cddca161edcb2b320d591649730482c8acce634c0a6c27bc
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD510fa4c81fea8385c5ff9e734046ed4c2
SHA11de295e2fc1407d1f587a4395777e11098d74422
SHA25613872f338633bed8bce0c94450eedfb7169bee47b31815ad5ad876441f90a432
SHA51239c34e0800f6603e95bd4997ad54bab95bb4dc0a2929b96e2cf17072fe23ef0a57254f2776604b4b6bdd220372fba701295c8dd9758c92cef1417a332380ca47
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b5a93a93584e23c33a182d1b2dfd5fcb
SHA101a19e0f671f54a51e18d52071781c7d35b610d8
SHA256530c029d7150aa8115d191e9f1bb095071533fb90d469c8a7aeba5667e705d84
SHA512592ac15aeba0a97ab371fe50652683e1467287a14157d1d1913ddcfd2691c82a7632c457544a354af56b7f86e9694bf31cdc2322774f198b57e60cb9db674d0b
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Filesize
4.1MB
MD5cfd07b9cd4a95813076c3c914028a4e5
SHA14ba8f87c3289a6a2e42bd6ef63c1565a5fe18362
SHA256d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977
SHA5128380426cf3fc4167dec1ea2513aeb7664adeb99052b5ee0739d02c6600474017c793dc18761b4e15e695b1dadc40a275f88907381e75b461d720310c0b03dbae
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec