Analysis
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max time kernel
150s -
max time network
153s -
platform
windows11-21h2_x64 -
resource
win11-20240419-en -
resource tags
arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system -
submitted
19-05-2024 11:15
Static task
static1
Behavioral task
behavioral1
Sample
2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exe
Resource
win10v2004-20240508-en
General
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Target
2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exe
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Size
4.1MB
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MD5
fa7498e3c0481427c170f39e32584f47
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SHA1
28702347c340a586c440ffdc8e037e68c8e45fdb
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SHA256
2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f
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SHA512
b6ad713ce18241fb0628b119dcabec1ee88f813c892cf5e6ecb460c11b2957bfe15807e1a426375fc5706d1259278beaf5d5817592aa9718f09908caedb6787d
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SSDEEP
98304:1H+PiUxpnK5pcCD6RLXH4DRMjOnEmJ5mWZ44js55cU5wvI2a:1H+PiSfw6Rz4ejOEAZ44S5J5ww2a
Malware Config
Signatures
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Glupteba payload 19 IoCs
Processes:
resource yara_rule behavioral2/memory/4932-2-0x0000000004590000-0x0000000004E7B000-memory.dmp family_glupteba behavioral2/memory/4932-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4932-51-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/4932-54-0x0000000004590000-0x0000000004E7B000-memory.dmp family_glupteba behavioral2/memory/4932-53-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2660-126-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/2060-204-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/2060-213-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/2060-215-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/2060-216-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/2060-218-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/2060-221-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/2060-223-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/2060-224-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/2060-226-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/2060-229-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/2060-231-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/2060-232-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/2060-234-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 4248 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 2060 csrss.exe 2348 injector.exe 3712 windefender.exe 4708 windefender.exe -
Processes:
resource yara_rule behavioral2/files/0x001a00000002ab36-207.dat upx behavioral2/memory/3712-208-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3712-212-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4708-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4708-219-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.execsrss.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exe Set value (str) \REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000\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.
Processes:
csrss.exedescription ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription 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.
Processes:
2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN 2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exe -
Drops file in Windows directory 4 IoCs
Processes:
2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.execsrss.exedescription ioc Process File opened for modification C:\Windows\rss 2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exe File created C:\Windows\rss\csrss.exe 2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.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.
Processes:
sc.exepid Process 1528 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 2856 powershell.exe 1396 powershell.exe 404 powershell.exe 3144 powershell.exe 1108 powershell.exe 3384 powershell.exe 4968 powershell.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exepid Process 912 schtasks.exe 3092 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exepowershell.exewindefender.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. Standard Time" 2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" 2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-192 = "Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2451 = "Saint Pierre Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-602 = "Taipei Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates 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,-2612 = "Bougainville Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-262 = "GMT Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2751 = "Tomsk Daylight 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" 2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-742 = "New Zealand Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-132 = "US Eastern Standard Time" windefender.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\@tzres.dll,-215 = "Pacific Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time" 2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time" 2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 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\2a\52C64B7E\@tzres.dll,-1022 = "Bangladesh Standard Time" windefender.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,-501 = "Nepal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" 2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time" 2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.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\@tzres.dll,-1872 = "Russia TZ 7 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" 2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" 2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs 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\2a\52C64B7E\@tzres.dll,-2342 = "Haiti Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1412 = "Syria Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.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\C:\Windows\system32\,@tzres.dll,-221 = "Alaskan Daylight Time" 2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time" 2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time" 2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-171 = "Central Daylight Time (Mexico)" windefender.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\@tzres.dll,-2591 = "Tocantins Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" 2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time" 2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.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\2a\52C64B7E\@tzres.dll,-431 = "Iran Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time" 2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time" 2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.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,-341 = "Egypt Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-772 = "Montevideo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1021 = "Bangladesh Daylight Time" 2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time" 2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time" 2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time" 2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.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,-1721 = "Libya Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" 2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exepowershell.exe2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 1396 powershell.exe 1396 powershell.exe 4932 2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exe 4932 2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exe 404 powershell.exe 404 powershell.exe 2660 2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exe 2660 2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exe 2660 2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exe 2660 2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exe 2660 2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exe 2660 2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exe 2660 2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exe 2660 2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exe 2660 2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exe 2660 2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exe 3144 powershell.exe 3144 powershell.exe 1108 powershell.exe 1108 powershell.exe 3384 powershell.exe 3384 powershell.exe 4968 powershell.exe 4968 powershell.exe 2856 powershell.exe 2856 powershell.exe 2348 injector.exe 2348 injector.exe 2348 injector.exe 2348 injector.exe 2348 injector.exe 2348 injector.exe 2060 csrss.exe 2060 csrss.exe 2348 injector.exe 2348 injector.exe 2348 injector.exe 2348 injector.exe 2348 injector.exe 2348 injector.exe 2060 csrss.exe 2060 csrss.exe 2348 injector.exe 2348 injector.exe 2060 csrss.exe 2060 csrss.exe 2348 injector.exe 2348 injector.exe 2348 injector.exe 2348 injector.exe 2348 injector.exe 2348 injector.exe 2348 injector.exe 2348 injector.exe 2348 injector.exe 2348 injector.exe 2348 injector.exe 2348 injector.exe 2348 injector.exe 2348 injector.exe 2348 injector.exe 2348 injector.exe 2348 injector.exe 2348 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 1396 powershell.exe Token: SeDebugPrivilege 4932 2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exe Token: SeImpersonatePrivilege 4932 2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exe Token: SeDebugPrivilege 404 powershell.exe Token: SeDebugPrivilege 3144 powershell.exe Token: SeDebugPrivilege 1108 powershell.exe Token: SeDebugPrivilege 3384 powershell.exe Token: SeDebugPrivilege 4968 powershell.exe Token: SeDebugPrivilege 2856 powershell.exe Token: SeSystemEnvironmentPrivilege 2060 csrss.exe Token: SeSecurityPrivilege 1528 sc.exe Token: SeSecurityPrivilege 1528 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exe2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 4932 wrote to memory of 1396 4932 2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exe 81 PID 4932 wrote to memory of 1396 4932 2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exe 81 PID 4932 wrote to memory of 1396 4932 2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exe 81 PID 2660 wrote to memory of 404 2660 2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exe 87 PID 2660 wrote to memory of 404 2660 2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exe 87 PID 2660 wrote to memory of 404 2660 2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exe 87 PID 2660 wrote to memory of 5004 2660 2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exe 89 PID 2660 wrote to memory of 5004 2660 2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exe 89 PID 5004 wrote to memory of 4248 5004 cmd.exe 91 PID 5004 wrote to memory of 4248 5004 cmd.exe 91 PID 2660 wrote to memory of 3144 2660 2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exe 92 PID 2660 wrote to memory of 3144 2660 2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exe 92 PID 2660 wrote to memory of 3144 2660 2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exe 92 PID 2660 wrote to memory of 1108 2660 2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exe 94 PID 2660 wrote to memory of 1108 2660 2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exe 94 PID 2660 wrote to memory of 1108 2660 2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exe 94 PID 2660 wrote to memory of 2060 2660 2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exe 96 PID 2660 wrote to memory of 2060 2660 2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exe 96 PID 2660 wrote to memory of 2060 2660 2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exe 96 PID 2060 wrote to memory of 3384 2060 csrss.exe 97 PID 2060 wrote to memory of 3384 2060 csrss.exe 97 PID 2060 wrote to memory of 3384 2060 csrss.exe 97 PID 2060 wrote to memory of 4968 2060 csrss.exe 103 PID 2060 wrote to memory of 4968 2060 csrss.exe 103 PID 2060 wrote to memory of 4968 2060 csrss.exe 103 PID 2060 wrote to memory of 2856 2060 csrss.exe 105 PID 2060 wrote to memory of 2856 2060 csrss.exe 105 PID 2060 wrote to memory of 2856 2060 csrss.exe 105 PID 2060 wrote to memory of 2348 2060 csrss.exe 107 PID 2060 wrote to memory of 2348 2060 csrss.exe 107 PID 3712 wrote to memory of 3156 3712 windefender.exe 113 PID 3712 wrote to memory of 3156 3712 windefender.exe 113 PID 3712 wrote to memory of 3156 3712 windefender.exe 113 PID 3156 wrote to memory of 1528 3156 cmd.exe 114 PID 3156 wrote to memory of 1528 3156 cmd.exe 114 PID 3156 wrote to memory of 1528 3156 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\2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exe"C:\Users\Admin\AppData\Local\Temp\2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4932 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1396
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C:\Users\Admin\AppData\Local\Temp\2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.exe"C:\Users\Admin\AppData\Local\Temp\2c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f.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:2660 -
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:404
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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:5004 -
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:4248
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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:3144
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1108
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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:2060 -
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:3384
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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:912
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1264
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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:4968
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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:2856
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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:2348
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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:3092
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3712 -
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:3156 -
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:1528
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4708
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56766bc9ad8cbb67b7b5bc8f0db95f1dc
SHA1a7a66004ee9531187686a076215eb7f1e17a79b4
SHA256634997bd6eb3735305718fe61c5722a70d41a28e3354baf4223a8cf41e22c670
SHA512b8b0fee57a90022e2e4d47c580e402b4e496db469c82e81f5cac6aaaea7aed1f5b244e66dffe687e06681fbdc7b91661988343068dc9712c5d0e42b59a40b894
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD568b6ad41e5df4c9e7fb16a9f7688ed2a
SHA17ed8b25651a0bee7f5ea4c6b2b9777161173ab05
SHA256718cf8c37fc4e2569e101484c0255dfa45a184f7c33cd2a01407a0dc74fcc971
SHA5124bb42052f31f481933ce986ac883b4352dee26df64ae3e068648673e780adf3693274bb7e8e3dc5a0870baf7ef4a4e0284842ee3eb2048caff73e073366ec2b6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5978ae1c9d6cab63175024cf28952675c
SHA1c576033ae2e19cbe1c742a036b3454aa7aa9231d
SHA2560ec0c7736e750311ae903386960469a554fa32baf030ddb0efc6772b0977ac16
SHA512e032dcee41e8ed34aba1ac93e6518578d1b6ca1ecd28d959f8acb197195b80f453a68348513d7aba82b04ebbcee5f49adf7f83d5b77e5568f577ea825ffd8872
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d09b696e5d690910ba36de222c6c9fda
SHA1c6b24214968abcec824e26703784fa9319a79d44
SHA2568e99b37a58cdad691fac45871d167aabb29a261c92bf30ad1395c4c13d26d275
SHA512fbb9fbda96e37d1162351b2d506398d1a8717c9db158c9fd6688946bcd30d672c23142770b10bb93ac49b8e5489b8ee5d58c01ad7e3363cc07ce6f1437aaa096
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD509f43b7b985cc83223cbc35253162707
SHA17a9a476a81bc19e0aefb23302f622e4a24063609
SHA25632a27e2049263ef6e7e567202b984bc01dfca2b42a00b08467286077d06719e8
SHA512753e207f99364cfebaabf19b156c61682c53e5418da681bcfc48cc11a47d20f3ff9132bd8501c53672e77d3f02949ac78b1fc3a052ab489647e49af726a56454
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Filesize
4.1MB
MD5fa7498e3c0481427c170f39e32584f47
SHA128702347c340a586c440ffdc8e037e68c8e45fdb
SHA2562c4ded62de967dbdddd28e978989500005ed7fb759e16bf43a5e839658a33b0f
SHA512b6ad713ce18241fb0628b119dcabec1ee88f813c892cf5e6ecb460c11b2957bfe15807e1a426375fc5706d1259278beaf5d5817592aa9718f09908caedb6787d
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec