Analysis
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max time kernel
150s -
max time network
145s -
platform
windows11-21h2_x64 -
resource
win11-20240412-en -
resource tags
arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system -
submitted
25-04-2024 12:47
Static task
static1
Behavioral task
behavioral1
Sample
9127b9a8ff6ddb58cecc278c07897a3d280f178a9f56df03daccccf2f7101801.exe
Resource
win10v2004-20240226-en
General
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Target
9127b9a8ff6ddb58cecc278c07897a3d280f178a9f56df03daccccf2f7101801.exe
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Size
4.2MB
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MD5
c978c65c0f9a22e93997243720415127
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SHA1
10b52c071e96711ce9bb7abbd0f8a899898f5f57
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SHA256
9127b9a8ff6ddb58cecc278c07897a3d280f178a9f56df03daccccf2f7101801
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SHA512
556f8cea4130e8c80b7117a27b64e18f000489471651c138e0786e66ca1334b61d2c830a6197bd6ffa8a3f090e8168010e155553b5be0fa7187a95b3f0c41895
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SSDEEP
98304:5lPNnLMcliXgk6mZUGEiVLqbbhuqLV4AlEjP7H:5lP9LMc0wkDbEiV0LVIb
Malware Config
Signatures
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Glupteba payload 20 IoCs
Processes:
resource yara_rule behavioral2/memory/2876-2-0x0000000005350000-0x0000000005C3B000-memory.dmp family_glupteba behavioral2/memory/2876-3-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral2/memory/2876-49-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral2/memory/2876-51-0x0000000005350000-0x0000000005C3B000-memory.dmp family_glupteba behavioral2/memory/2504-53-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral2/memory/2504-86-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral2/memory/2504-112-0x0000000003620000-0x0000000003A27000-memory.dmp family_glupteba behavioral2/memory/2504-135-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral2/memory/2504-144-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral2/memory/1992-210-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral2/memory/1992-243-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral2/memory/1992-252-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral2/memory/1992-254-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral2/memory/1992-256-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral2/memory/1992-258-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral2/memory/1992-260-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral2/memory/1992-262-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral2/memory/1992-264-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral2/memory/1992-266-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral2/memory/1992-268-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 2864 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid process 1992 csrss.exe 4912 injector.exe 4832 windefender.exe 2008 windefender.exe -
Processes:
resource yara_rule C:\Windows\windefender.exe upx behavioral2/memory/4832-251-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2008-253-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2008-257-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2008-263-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
9127b9a8ff6ddb58cecc278c07897a3d280f178a9f56df03daccccf2f7101801.execsrss.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2718508534-2116753757-2794822388-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 9127b9a8ff6ddb58cecc278c07897a3d280f178a9f56df03daccccf2f7101801.exe Set value (str) \REGISTRY\USER\S-1-5-21-2718508534-2116753757-2794822388-1000\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\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
Processes:
9127b9a8ff6ddb58cecc278c07897a3d280f178a9f56df03daccccf2f7101801.exedescription ioc process File opened (read-only) \??\VBoxMiniRdrDN 9127b9a8ff6ddb58cecc278c07897a3d280f178a9f56df03daccccf2f7101801.exe -
Drops file in Windows directory 4 IoCs
Processes:
9127b9a8ff6ddb58cecc278c07897a3d280f178a9f56df03daccccf2f7101801.execsrss.exedescription ioc process File opened for modification C:\Windows\rss 9127b9a8ff6ddb58cecc278c07897a3d280f178a9f56df03daccccf2f7101801.exe File created C:\Windows\rss\csrss.exe 9127b9a8ff6ddb58cecc278c07897a3d280f178a9f56df03daccccf2f7101801.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 3804 sc.exe -
Program crash 6 IoCs
Processes:
WerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exepid pid_target process target process 4412 2876 WerFault.exe 9127b9a8ff6ddb58cecc278c07897a3d280f178a9f56df03daccccf2f7101801.exe 1828 2876 WerFault.exe 9127b9a8ff6ddb58cecc278c07897a3d280f178a9f56df03daccccf2f7101801.exe 5008 2876 WerFault.exe 9127b9a8ff6ddb58cecc278c07897a3d280f178a9f56df03daccccf2f7101801.exe 1816 2504 WerFault.exe 9127b9a8ff6ddb58cecc278c07897a3d280f178a9f56df03daccccf2f7101801.exe 1436 2504 WerFault.exe 9127b9a8ff6ddb58cecc278c07897a3d280f178a9f56df03daccccf2f7101801.exe 4132 2504 WerFault.exe 9127b9a8ff6ddb58cecc278c07897a3d280f178a9f56df03daccccf2f7101801.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 2876 schtasks.exe 2752 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
powershell.exewindefender.exe9127b9a8ff6ddb58cecc278c07897a3d280f178a9f56df03daccccf2f7101801.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-651 = "AUS Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" 9127b9a8ff6ddb58cecc278c07897a3d280f178a9f56df03daccccf2f7101801.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time" 9127b9a8ff6ddb58cecc278c07897a3d280f178a9f56df03daccccf2f7101801.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" 9127b9a8ff6ddb58cecc278c07897a3d280f178a9f56df03daccccf2f7101801.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time" 9127b9a8ff6ddb58cecc278c07897a3d280f178a9f56df03daccccf2f7101801.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time" 9127b9a8ff6ddb58cecc278c07897a3d280f178a9f56df03daccccf2f7101801.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-52 = "Greenland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" 9127b9a8ff6ddb58cecc278c07897a3d280f178a9f56df03daccccf2f7101801.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-452 = "Caucasus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-434 = "Georgian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-3052 = "Qyzylorda Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" 9127b9a8ff6ddb58cecc278c07897a3d280f178a9f56df03daccccf2f7101801.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs 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\26\52C64B7E\@tzres.dll,-2432 = "Cuba Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-41 = "E. South America Daylight Time" 9127b9a8ff6ddb58cecc278c07897a3d280f178a9f56df03daccccf2f7101801.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" 9127b9a8ff6ddb58cecc278c07897a3d280f178a9f56df03daccccf2f7101801.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-231 = "Hawaiian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-215 = "Pacific Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-131 = "US Eastern Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" 9127b9a8ff6ddb58cecc278c07897a3d280f178a9f56df03daccccf2f7101801.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time" 9127b9a8ff6ddb58cecc278c07897a3d280f178a9f56df03daccccf2f7101801.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2572 = "Turks and Caicos Standard Time" 9127b9a8ff6ddb58cecc278c07897a3d280f178a9f56df03daccccf2f7101801.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-912 = "Mauritius Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-561 = "SE Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-531 = "Sri Lanka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time" 9127b9a8ff6ddb58cecc278c07897a3d280f178a9f56df03daccccf2f7101801.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time" 9127b9a8ff6ddb58cecc278c07897a3d280f178a9f56df03daccccf2f7101801.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" 9127b9a8ff6ddb58cecc278c07897a3d280f178a9f56df03daccccf2f7101801.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" 9127b9a8ff6ddb58cecc278c07897a3d280f178a9f56df03daccccf2f7101801.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time" 9127b9a8ff6ddb58cecc278c07897a3d280f178a9f56df03daccccf2f7101801.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time" 9127b9a8ff6ddb58cecc278c07897a3d280f178a9f56df03daccccf2f7101801.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time" 9127b9a8ff6ddb58cecc278c07897a3d280f178a9f56df03daccccf2f7101801.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" 9127b9a8ff6ddb58cecc278c07897a3d280f178a9f56df03daccccf2f7101801.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time" 9127b9a8ff6ddb58cecc278c07897a3d280f178a9f56df03daccccf2f7101801.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" 9127b9a8ff6ddb58cecc278c07897a3d280f178a9f56df03daccccf2f7101801.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-162 = "Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2771 = "Omsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-961 = "Paraguay Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2451 = "Saint Pierre Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" 9127b9a8ff6ddb58cecc278c07897a3d280f178a9f56df03daccccf2f7101801.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" 9127b9a8ff6ddb58cecc278c07897a3d280f178a9f56df03daccccf2f7101801.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-391 = "Arab Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-12 = "Azores Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-372 = "Jerusalem Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-931 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time" 9127b9a8ff6ddb58cecc278c07897a3d280f178a9f56df03daccccf2f7101801.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe9127b9a8ff6ddb58cecc278c07897a3d280f178a9f56df03daccccf2f7101801.exepowershell.exe9127b9a8ff6ddb58cecc278c07897a3d280f178a9f56df03daccccf2f7101801.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid process 1292 powershell.exe 1292 powershell.exe 2876 9127b9a8ff6ddb58cecc278c07897a3d280f178a9f56df03daccccf2f7101801.exe 2876 9127b9a8ff6ddb58cecc278c07897a3d280f178a9f56df03daccccf2f7101801.exe 2588 powershell.exe 2588 powershell.exe 2504 9127b9a8ff6ddb58cecc278c07897a3d280f178a9f56df03daccccf2f7101801.exe 2504 9127b9a8ff6ddb58cecc278c07897a3d280f178a9f56df03daccccf2f7101801.exe 2504 9127b9a8ff6ddb58cecc278c07897a3d280f178a9f56df03daccccf2f7101801.exe 2504 9127b9a8ff6ddb58cecc278c07897a3d280f178a9f56df03daccccf2f7101801.exe 2504 9127b9a8ff6ddb58cecc278c07897a3d280f178a9f56df03daccccf2f7101801.exe 2504 9127b9a8ff6ddb58cecc278c07897a3d280f178a9f56df03daccccf2f7101801.exe 2504 9127b9a8ff6ddb58cecc278c07897a3d280f178a9f56df03daccccf2f7101801.exe 2504 9127b9a8ff6ddb58cecc278c07897a3d280f178a9f56df03daccccf2f7101801.exe 2504 9127b9a8ff6ddb58cecc278c07897a3d280f178a9f56df03daccccf2f7101801.exe 2504 9127b9a8ff6ddb58cecc278c07897a3d280f178a9f56df03daccccf2f7101801.exe 2576 powershell.exe 2576 powershell.exe 2456 powershell.exe 2456 powershell.exe 3240 powershell.exe 3240 powershell.exe 3536 powershell.exe 3536 powershell.exe 564 powershell.exe 564 powershell.exe 4912 injector.exe 4912 injector.exe 4912 injector.exe 4912 injector.exe 4912 injector.exe 4912 injector.exe 1992 csrss.exe 1992 csrss.exe 4912 injector.exe 4912 injector.exe 4912 injector.exe 4912 injector.exe 4912 injector.exe 4912 injector.exe 1992 csrss.exe 1992 csrss.exe 4912 injector.exe 4912 injector.exe 4912 injector.exe 4912 injector.exe 1992 csrss.exe 1992 csrss.exe 4912 injector.exe 4912 injector.exe 4912 injector.exe 4912 injector.exe 4912 injector.exe 4912 injector.exe 4912 injector.exe 4912 injector.exe 4912 injector.exe 4912 injector.exe 4912 injector.exe 4912 injector.exe 4912 injector.exe 4912 injector.exe 4912 injector.exe 4912 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe9127b9a8ff6ddb58cecc278c07897a3d280f178a9f56df03daccccf2f7101801.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid process Token: SeDebugPrivilege 1292 powershell.exe Token: SeDebugPrivilege 2876 9127b9a8ff6ddb58cecc278c07897a3d280f178a9f56df03daccccf2f7101801.exe Token: SeImpersonatePrivilege 2876 9127b9a8ff6ddb58cecc278c07897a3d280f178a9f56df03daccccf2f7101801.exe Token: SeDebugPrivilege 2588 powershell.exe Token: SeDebugPrivilege 2576 powershell.exe Token: SeDebugPrivilege 2456 powershell.exe Token: SeDebugPrivilege 3240 powershell.exe Token: SeDebugPrivilege 3536 powershell.exe Token: SeDebugPrivilege 564 powershell.exe Token: SeSystemEnvironmentPrivilege 1992 csrss.exe Token: SeSecurityPrivilege 3804 sc.exe Token: SeSecurityPrivilege 3804 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
9127b9a8ff6ddb58cecc278c07897a3d280f178a9f56df03daccccf2f7101801.exe9127b9a8ff6ddb58cecc278c07897a3d280f178a9f56df03daccccf2f7101801.execmd.execsrss.exewindefender.execmd.exedescription pid process target process PID 2876 wrote to memory of 1292 2876 9127b9a8ff6ddb58cecc278c07897a3d280f178a9f56df03daccccf2f7101801.exe powershell.exe PID 2876 wrote to memory of 1292 2876 9127b9a8ff6ddb58cecc278c07897a3d280f178a9f56df03daccccf2f7101801.exe powershell.exe PID 2876 wrote to memory of 1292 2876 9127b9a8ff6ddb58cecc278c07897a3d280f178a9f56df03daccccf2f7101801.exe powershell.exe PID 2504 wrote to memory of 2588 2504 9127b9a8ff6ddb58cecc278c07897a3d280f178a9f56df03daccccf2f7101801.exe powershell.exe PID 2504 wrote to memory of 2588 2504 9127b9a8ff6ddb58cecc278c07897a3d280f178a9f56df03daccccf2f7101801.exe powershell.exe PID 2504 wrote to memory of 2588 2504 9127b9a8ff6ddb58cecc278c07897a3d280f178a9f56df03daccccf2f7101801.exe powershell.exe PID 2504 wrote to memory of 4912 2504 9127b9a8ff6ddb58cecc278c07897a3d280f178a9f56df03daccccf2f7101801.exe injector.exe PID 2504 wrote to memory of 4912 2504 9127b9a8ff6ddb58cecc278c07897a3d280f178a9f56df03daccccf2f7101801.exe injector.exe PID 4912 wrote to memory of 2864 4912 cmd.exe netsh.exe PID 4912 wrote to memory of 2864 4912 cmd.exe netsh.exe PID 2504 wrote to memory of 2576 2504 9127b9a8ff6ddb58cecc278c07897a3d280f178a9f56df03daccccf2f7101801.exe powershell.exe PID 2504 wrote to memory of 2576 2504 9127b9a8ff6ddb58cecc278c07897a3d280f178a9f56df03daccccf2f7101801.exe powershell.exe PID 2504 wrote to memory of 2576 2504 9127b9a8ff6ddb58cecc278c07897a3d280f178a9f56df03daccccf2f7101801.exe powershell.exe PID 2504 wrote to memory of 2456 2504 9127b9a8ff6ddb58cecc278c07897a3d280f178a9f56df03daccccf2f7101801.exe powershell.exe PID 2504 wrote to memory of 2456 2504 9127b9a8ff6ddb58cecc278c07897a3d280f178a9f56df03daccccf2f7101801.exe powershell.exe PID 2504 wrote to memory of 2456 2504 9127b9a8ff6ddb58cecc278c07897a3d280f178a9f56df03daccccf2f7101801.exe powershell.exe PID 2504 wrote to memory of 1992 2504 9127b9a8ff6ddb58cecc278c07897a3d280f178a9f56df03daccccf2f7101801.exe csrss.exe PID 2504 wrote to memory of 1992 2504 9127b9a8ff6ddb58cecc278c07897a3d280f178a9f56df03daccccf2f7101801.exe csrss.exe PID 2504 wrote to memory of 1992 2504 9127b9a8ff6ddb58cecc278c07897a3d280f178a9f56df03daccccf2f7101801.exe csrss.exe PID 1992 wrote to memory of 3240 1992 csrss.exe powershell.exe PID 1992 wrote to memory of 3240 1992 csrss.exe powershell.exe PID 1992 wrote to memory of 3240 1992 csrss.exe powershell.exe PID 1992 wrote to memory of 3536 1992 csrss.exe powershell.exe PID 1992 wrote to memory of 3536 1992 csrss.exe powershell.exe PID 1992 wrote to memory of 3536 1992 csrss.exe powershell.exe PID 1992 wrote to memory of 564 1992 csrss.exe powershell.exe PID 1992 wrote to memory of 564 1992 csrss.exe powershell.exe PID 1992 wrote to memory of 564 1992 csrss.exe powershell.exe PID 1992 wrote to memory of 4912 1992 csrss.exe injector.exe PID 1992 wrote to memory of 4912 1992 csrss.exe injector.exe PID 4832 wrote to memory of 4624 4832 windefender.exe cmd.exe PID 4832 wrote to memory of 4624 4832 windefender.exe cmd.exe PID 4832 wrote to memory of 4624 4832 windefender.exe cmd.exe PID 4624 wrote to memory of 3804 4624 cmd.exe sc.exe PID 4624 wrote to memory of 3804 4624 cmd.exe sc.exe PID 4624 wrote to memory of 3804 4624 cmd.exe sc.exe -
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\9127b9a8ff6ddb58cecc278c07897a3d280f178a9f56df03daccccf2f7101801.exe"C:\Users\Admin\AppData\Local\Temp\9127b9a8ff6ddb58cecc278c07897a3d280f178a9f56df03daccccf2f7101801.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2876 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1292 -
C:\Users\Admin\AppData\Local\Temp\9127b9a8ff6ddb58cecc278c07897a3d280f178a9f56df03daccccf2f7101801.exe"C:\Users\Admin\AppData\Local\Temp\9127b9a8ff6ddb58cecc278c07897a3d280f178a9f56df03daccccf2f7101801.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:2504 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2588 -
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:4912 -
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:2864 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2576 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2456 -
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:1992 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3240 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:2876 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2184
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3536 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:564 -
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:4912 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:2752 -
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4832 -
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:4624 -
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:3804 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2504 -s 8323⤵
- Program crash
PID:1816 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2504 -s 4923⤵
- Program crash
PID:1436 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2504 -s 7243⤵
- Program crash
PID:4132 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2876 -s 9962⤵
- Program crash
PID:4412 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2876 -s 9442⤵
- Program crash
PID:1828 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2876 -s 9642⤵
- Program crash
PID:5008
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2876 -ip 28761⤵PID:4656
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 2876 -ip 28761⤵PID:2940
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 2876 -ip 28761⤵PID:2040
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 2504 -ip 25041⤵PID:3920
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 2504 -ip 25041⤵PID:1344
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 2504 -ip 25041⤵PID:3696
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2008
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
MD577e185b674694da053a43961567990ba
SHA1af92df87c7b5eb936bb89ebd74e959d8bf4f9a2e
SHA2564e62394b3f08f617dfcb465c48557a51345676d31e5619e611659a81b4a2f3a6
SHA5128d5fafb07549ca1158beb7495ed53dac9d926e2c8cd814c943fd6d376df3fe549446aa0de36d67648fe14dc1a23f0e45f6c56dade98e35815c3437696b4ed0e2
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55afd2dcf3f7980e359322620551bd518
SHA14548317bdc851d33e52e0ed723f7856f5c585462
SHA256badef0e19d5bdeeb6010104057ed75ce598f26c96d9756274a36515f0895fe12
SHA5120a5064a6ddaea9a989bf228525cbd1eb4106d02ca449da8c25d65dfb4e8be32a0edb7c95bced4605c97415f9f084e2f5cb0042f6edffd39aa588778f23abb05b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c4a0a437d40c7febffa969d8aeed4771
SHA126a570a72f488ead0959773441ea1a53ed5b4ff6
SHA256e54c6c8df787c2ea173332b3c292d3e38f11cf61e7fe94a507e83aa8e31309e7
SHA512d7e7e48a356b2e574fd272e143db4ca988984183ff97cd8fd1f9df576e4fe6f1e22644fbef578981007d44cc8b44dd4560f35d911302ee6aecc6809e4b600774
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57049c6f8a5cf98f5d18bbdb93e69c22f
SHA1a40bebfa2c43ae1adfb31112af744ef9c4496f21
SHA25672c1af0c36ed1a38eb4a8ab83e9af0c4ded0613842d42b9ec2b02e25eb9a6813
SHA512600743c7d2b685176f8cc7da84e735b84c704ce428614bde8eb2e692f215c5257df1e189e02e30b3ab337df9a0bc4a82b93069c282af76319def205e58e792f2
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD503c47b0bface283365e3c8d19532acb4
SHA164d381cdbbd3ff67c122f7d1fe97b270ffa83352
SHA256cc08cffe0cc4a9ebdd6fb07f573c09b6fb49e986a76f100a2b0485f1abb7df2f
SHA512a3143854317f7a4b85eda7e70388c9ec9f5c78addc810b191c1f9420d768cc8a3a61b513fa95013cc3f0872dee5db834a27485e8da818583138e19f7a413952c
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Filesize
4.2MB
MD5c978c65c0f9a22e93997243720415127
SHA110b52c071e96711ce9bb7abbd0f8a899898f5f57
SHA2569127b9a8ff6ddb58cecc278c07897a3d280f178a9f56df03daccccf2f7101801
SHA512556f8cea4130e8c80b7117a27b64e18f000489471651c138e0786e66ca1334b61d2c830a6197bd6ffa8a3f090e8168010e155553b5be0fa7187a95b3f0c41895
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec