Analysis
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max time kernel
150s -
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
19-05-2024 11:21
Static task
static1
Behavioral task
behavioral1
Sample
52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exe
Resource
win10v2004-20240508-en
General
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Target
52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exe
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Size
4.1MB
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MD5
02aad7c7d835547c61ced2d9976bf92f
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SHA1
2688d5bf2d12ee8988e0c6efad9b0b1e83610c82
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SHA256
52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40
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SHA512
9a9e325e297f749af26b24483c93a1232128a80489d25271bbeda6ec457834259131d95fad3127e417d08cec6f8c5123f460ad31218a9edb35d4582f5495cc2a
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SSDEEP
98304:lH+PiUxpnK5pcCD6RLXH4DRMjOnEmJ5mWZ44js55cU5wvI29:lH+PiSfw6Rz4ejOEAZ44S5J5ww29
Malware Config
Signatures
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Glupteba payload 20 IoCs
Processes:
resource yara_rule behavioral2/memory/1568-2-0x00000000045E0000-0x0000000004ECB000-memory.dmp family_glupteba behavioral2/memory/1568-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1568-54-0x00000000045E0000-0x0000000004ECB000-memory.dmp family_glupteba behavioral2/memory/1568-52-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1568-51-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/1536-122-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/1536-127-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/380-200-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/380-212-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/380-216-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/380-218-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/380-220-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/380-222-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/380-224-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/380-226-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/380-228-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/380-230-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/380-232-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/380-234-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/380-236-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 2876 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 380 csrss.exe 2020 injector.exe 4656 windefender.exe 4784 windefender.exe -
Processes:
resource yara_rule behavioral2/files/0x000200000002a9ea-208.dat upx behavioral2/memory/4656-209-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4784-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4656-215-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4784-217-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4784-221-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.execsrss.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2457560273-69882387-977367775-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exe Set value (str) \REGISTRY\USER\S-1-5-21-2457560273-69882387-977367775-1000\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 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 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:
52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN 52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exe -
Drops file in Windows directory 4 IoCs
Processes:
52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.execsrss.exedescription ioc Process File opened for modification C:\Windows\rss 52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exe File created C:\Windows\rss\csrss.exe 52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.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 2728 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 2648 powershell.exe 4480 powershell.exe 2800 powershell.exe 1816 powershell.exe 4972 powershell.exe 3384 powershell.exe 2220 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 3544 schtasks.exe 4720 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exepowershell.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,-302 = "Romance Standard Time" 52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "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\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" 52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time" 52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" 52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" 52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2322 = "Sakhalin Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)" 52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time" 52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2571 = "Turks and Caicos Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time" 52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time" 52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-82 = "Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-331 = "E. Europe Daylight Time" windefender.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\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" 52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time" 52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\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,-2791 = "Novosibirsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3051 = "Qyzylorda Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time" 52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time" 52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" 52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\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,-11 = "Azores Daylight Time" 52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time" 52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time" 52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" 52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.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\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time" 52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time" 52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-448 = "Azerbaijan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-302 = "Romance Standard 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" 52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time" 52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2841 = "Saratov Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time" 52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time" 52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.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,-212 = "Pacific 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,-1821 = "Russia TZ 1 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2792 = "Novosibirsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" 52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exepowershell.exe52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 4480 powershell.exe 4480 powershell.exe 1568 52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exe 1568 52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exe 2800 powershell.exe 2800 powershell.exe 1536 52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exe 1536 52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exe 1536 52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exe 1536 52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exe 1536 52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exe 1536 52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exe 1536 52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exe 1536 52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exe 1536 52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exe 1536 52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exe 1816 powershell.exe 1816 powershell.exe 4972 powershell.exe 4972 powershell.exe 3384 powershell.exe 3384 powershell.exe 2220 powershell.exe 2220 powershell.exe 2648 powershell.exe 2648 powershell.exe 2020 injector.exe 2020 injector.exe 2020 injector.exe 2020 injector.exe 2020 injector.exe 2020 injector.exe 380 csrss.exe 380 csrss.exe 2020 injector.exe 2020 injector.exe 2020 injector.exe 2020 injector.exe 2020 injector.exe 2020 injector.exe 380 csrss.exe 380 csrss.exe 2020 injector.exe 2020 injector.exe 2020 injector.exe 2020 injector.exe 380 csrss.exe 380 csrss.exe 2020 injector.exe 2020 injector.exe 2020 injector.exe 2020 injector.exe 2020 injector.exe 2020 injector.exe 2020 injector.exe 2020 injector.exe 2020 injector.exe 2020 injector.exe 2020 injector.exe 2020 injector.exe 2020 injector.exe 2020 injector.exe 2020 injector.exe 2020 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 4480 powershell.exe Token: SeDebugPrivilege 1568 52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exe Token: SeImpersonatePrivilege 1568 52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exe Token: SeDebugPrivilege 2800 powershell.exe Token: SeDebugPrivilege 1816 powershell.exe Token: SeDebugPrivilege 4972 powershell.exe Token: SeDebugPrivilege 3384 powershell.exe Token: SeDebugPrivilege 2220 powershell.exe Token: SeDebugPrivilege 2648 powershell.exe Token: SeSystemEnvironmentPrivilege 380 csrss.exe Token: SeSecurityPrivilege 2728 sc.exe Token: SeSecurityPrivilege 2728 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exe52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 1568 wrote to memory of 4480 1568 52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exe 79 PID 1568 wrote to memory of 4480 1568 52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exe 79 PID 1568 wrote to memory of 4480 1568 52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exe 79 PID 1536 wrote to memory of 2800 1536 52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exe 84 PID 1536 wrote to memory of 2800 1536 52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exe 84 PID 1536 wrote to memory of 2800 1536 52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exe 84 PID 1536 wrote to memory of 1700 1536 52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exe 86 PID 1536 wrote to memory of 1700 1536 52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exe 86 PID 1700 wrote to memory of 2876 1700 cmd.exe 88 PID 1700 wrote to memory of 2876 1700 cmd.exe 88 PID 1536 wrote to memory of 1816 1536 52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exe 89 PID 1536 wrote to memory of 1816 1536 52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exe 89 PID 1536 wrote to memory of 1816 1536 52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exe 89 PID 1536 wrote to memory of 4972 1536 52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exe 91 PID 1536 wrote to memory of 4972 1536 52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exe 91 PID 1536 wrote to memory of 4972 1536 52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exe 91 PID 1536 wrote to memory of 380 1536 52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exe 93 PID 1536 wrote to memory of 380 1536 52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exe 93 PID 1536 wrote to memory of 380 1536 52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exe 93 PID 380 wrote to memory of 3384 380 csrss.exe 94 PID 380 wrote to memory of 3384 380 csrss.exe 94 PID 380 wrote to memory of 3384 380 csrss.exe 94 PID 380 wrote to memory of 2220 380 csrss.exe 100 PID 380 wrote to memory of 2220 380 csrss.exe 100 PID 380 wrote to memory of 2220 380 csrss.exe 100 PID 380 wrote to memory of 2648 380 csrss.exe 102 PID 380 wrote to memory of 2648 380 csrss.exe 102 PID 380 wrote to memory of 2648 380 csrss.exe 102 PID 380 wrote to memory of 2020 380 csrss.exe 104 PID 380 wrote to memory of 2020 380 csrss.exe 104 PID 4656 wrote to memory of 2132 4656 windefender.exe 110 PID 4656 wrote to memory of 2132 4656 windefender.exe 110 PID 4656 wrote to memory of 2132 4656 windefender.exe 110 PID 2132 wrote to memory of 2728 2132 cmd.exe 111 PID 2132 wrote to memory of 2728 2132 cmd.exe 111 PID 2132 wrote to memory of 2728 2132 cmd.exe 111 -
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\52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exe"C:\Users\Admin\AppData\Local\Temp\52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1568 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4480
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C:\Users\Admin\AppData\Local\Temp\52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exe"C:\Users\Admin\AppData\Local\Temp\52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.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:1536 -
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:2800
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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:1700 -
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:2876
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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:1816
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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:4972
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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:380 -
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:3544
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2396
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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:2220
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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:2648
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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:2020
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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:4720
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4656 -
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:2132 -
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:2728
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4784
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
MD5ce808efbdf86fbda22fca5f8446ed889
SHA1bdbbf4e05b5858ea4a9e07d62e5c074629853402
SHA25678eced8806462520ca14b68bad25bd69de602cbb0fb955f18141529cf6c0d06c
SHA5129410c563bff22a30d5e6fe07d115d606aee2f1c51a5ac1f3b3a1f51d7478ab72bffe9c8eb6f5a3115a7d9d822d3572b9f5d72ff71b876f296de3cd65b56ad5ce
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55052fbf99b489d0becd09ed0871a7b8d
SHA1f85b7d9e95ef11f7cb60431758fa21e3b7795d75
SHA2565354770f757aed755e77b5751966400cb090e44befa2dd5a455962d20506c4bc
SHA512739640213ccec34db30013ac85bd33947d0a0d0e4f1354261f5f907c2611447e235933a92ed4d33bb74a13840f9739edcb41c40083b66fcabb1c209c1e38dbc7
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD560191d8abff38d2495d78ba4b415c366
SHA12279169444df37ea6107623575c88693fde7e0f0
SHA256bec53b8c5f0af0f186b817f3de5323bb7c3fb28f688a104fa3a2a8e2b0d5e1eb
SHA512bdb7b402907d82b6eb88e69f6f7cef20fd3711f77353ed79ea197422fda36129b3cdc3cfff1a4b14ac5647d6bcfdfe03a565e4430e83a4e799e4d0cd2321cf3c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d985e7e50cee6d6faea6763421a2b880
SHA166b27fa73c690ca035124ff143e450a5cd010471
SHA256d14bdf1a5ed168a713f4d83415f4afd976eb70e78f875fdc874f1e4e8b28b89c
SHA512e08d2c85d2fc0c9b01764d0cf8e9c76d8c015484a0e02180609a437d21e205c3d6fe2d287f94262e08519eb2d606619f3c7888b87f999e6ac96387f91ead6b61
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c7d5857f987edfdd5d5b87dacda79432
SHA155a2cd561e6ab759719ff1a3125e52a8f808aa51
SHA256b808416258bc9c57d82184af19dddc60ce906e0d08eba3e3b03ea99e2f2e62f5
SHA512a1693ee1eece87f5338e8efbd5f4fd3b107b4f50a3072a33310071fa0808461eabbffcb222b200f454a42316891316c27107e2d2dfdcb5e5d1386037900eb166
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Filesize
4.1MB
MD502aad7c7d835547c61ced2d9976bf92f
SHA12688d5bf2d12ee8988e0c6efad9b0b1e83610c82
SHA25652454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40
SHA5129a9e325e297f749af26b24483c93a1232128a80489d25271bbeda6ec457834259131d95fad3127e417d08cec6f8c5123f460ad31218a9edb35d4582f5495cc2a
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec