Analysis
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max time kernel
150s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
19/04/2024, 22:48
Static task
static1
Behavioral task
behavioral1
Sample
e982cfff440829fddcea5a149f67fe0c519cedd1d80be97002e5c9dff0681743.exe
Resource
win10v2004-20240412-en
General
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Target
e982cfff440829fddcea5a149f67fe0c519cedd1d80be97002e5c9dff0681743.exe
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Size
4.2MB
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MD5
7c5db887e99d14244e2d8616c6229523
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SHA1
5b4c40ce8699f97e244fd3e8b7c13d1872308b92
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SHA256
e982cfff440829fddcea5a149f67fe0c519cedd1d80be97002e5c9dff0681743
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SHA512
fa33743263ffe875009e912895c91716f04b4346f8e519135bd6935a4a8a5b11948f1c431a1afa2242dee6428ae90871d0bd1c52ee36a3240cf7fdaa61e15f99
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SSDEEP
98304:f/40EOOAEftLoGWLNDgTXMgGOTrFzBqlMJaGItfGu6:XdVQtLoTZDg5GO9Bqlcn
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/4524-2-0x0000000004060000-0x000000000494B000-memory.dmp family_glupteba behavioral1/memory/4524-3-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4516-56-0x0000000003F10000-0x00000000047FB000-memory.dmp family_glupteba behavioral1/memory/4516-57-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4524-58-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4516-154-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/5020-260-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/5020-269-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/5020-271-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/5020-273-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/5020-275-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/5020-277-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/5020-279-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/5020-281-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/5020-282-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/5020-285-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/5020-287-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/5020-289-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/5020-291-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4976 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 5020 csrss.exe 1268 injector.exe 748 windefender.exe 4568 windefender.exe -
resource yara_rule behavioral1/files/0x000e00000000002e-263.dat upx behavioral1/memory/748-268-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4568-270-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4568-274-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4568-280-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2288054676-1871194608-3559553667-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" e982cfff440829fddcea5a149f67fe0c519cedd1d80be97002e5c9dff0681743.exe Set value (str) \REGISTRY\USER\S-1-5-21-2288054676-1871194608-3559553667-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File 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.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN e982cfff440829fddcea5a149f67fe0c519cedd1d80be97002e5c9dff0681743.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss e982cfff440829fddcea5a149f67fe0c519cedd1d80be97002e5c9dff0681743.exe File created C:\Windows\rss\csrss.exe e982cfff440829fddcea5a149f67fe0c519cedd1d80be97002e5c9dff0681743.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.
pid Process 4892 sc.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 1696 4524 WerFault.exe 85 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1060 schtasks.exe 3924 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time" e982cfff440829fddcea5a149f67fe0c519cedd1d80be97002e5c9dff0681743.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" e982cfff440829fddcea5a149f67fe0c519cedd1d80be97002e5c9dff0681743.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2842 = "Saratov Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-602 = "Taipei Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" e982cfff440829fddcea5a149f67fe0c519cedd1d80be97002e5c9dff0681743.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-31 = "Mid-Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time" e982cfff440829fddcea5a149f67fe0c519cedd1d80be97002e5c9dff0681743.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time" e982cfff440829fddcea5a149f67fe0c519cedd1d80be97002e5c9dff0681743.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" e982cfff440829fddcea5a149f67fe0c519cedd1d80be97002e5c9dff0681743.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2342 = "Haiti Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" e982cfff440829fddcea5a149f67fe0c519cedd1d80be97002e5c9dff0681743.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2791 = "Novosibirsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-231 = "Hawaiian Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-461 = "Afghanistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-622 = "Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2411 = "Marquesas Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-791 = "SA Western Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2571 = "Turks and Caicos Daylight Time" e982cfff440829fddcea5a149f67fe0c519cedd1d80be97002e5c9dff0681743.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-142 = "Canada Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1842 = "Russia TZ 4 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-772 = "Montevideo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time" e982cfff440829fddcea5a149f67fe0c519cedd1d80be97002e5c9dff0681743.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time" e982cfff440829fddcea5a149f67fe0c519cedd1d80be97002e5c9dff0681743.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.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\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time" e982cfff440829fddcea5a149f67fe0c519cedd1d80be97002e5c9dff0681743.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs 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\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" e982cfff440829fddcea5a149f67fe0c519cedd1d80be97002e5c9dff0681743.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-591 = "Malay Peninsula Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time" e982cfff440829fddcea5a149f67fe0c519cedd1d80be97002e5c9dff0681743.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time" e982cfff440829fddcea5a149f67fe0c519cedd1d80be97002e5c9dff0681743.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-161 = "Central Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" e982cfff440829fddcea5a149f67fe0c519cedd1d80be97002e5c9dff0681743.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1164 powershell.exe 1164 powershell.exe 4524 e982cfff440829fddcea5a149f67fe0c519cedd1d80be97002e5c9dff0681743.exe 4524 e982cfff440829fddcea5a149f67fe0c519cedd1d80be97002e5c9dff0681743.exe 1292 powershell.exe 1292 powershell.exe 1292 powershell.exe 4516 e982cfff440829fddcea5a149f67fe0c519cedd1d80be97002e5c9dff0681743.exe 4516 e982cfff440829fddcea5a149f67fe0c519cedd1d80be97002e5c9dff0681743.exe 4516 e982cfff440829fddcea5a149f67fe0c519cedd1d80be97002e5c9dff0681743.exe 4516 e982cfff440829fddcea5a149f67fe0c519cedd1d80be97002e5c9dff0681743.exe 4516 e982cfff440829fddcea5a149f67fe0c519cedd1d80be97002e5c9dff0681743.exe 4516 e982cfff440829fddcea5a149f67fe0c519cedd1d80be97002e5c9dff0681743.exe 4516 e982cfff440829fddcea5a149f67fe0c519cedd1d80be97002e5c9dff0681743.exe 4516 e982cfff440829fddcea5a149f67fe0c519cedd1d80be97002e5c9dff0681743.exe 4516 e982cfff440829fddcea5a149f67fe0c519cedd1d80be97002e5c9dff0681743.exe 4516 e982cfff440829fddcea5a149f67fe0c519cedd1d80be97002e5c9dff0681743.exe 2472 powershell.exe 2472 powershell.exe 3144 powershell.exe 3144 powershell.exe 3144 powershell.exe 4776 powershell.exe 4776 powershell.exe 4776 powershell.exe 4280 powershell.exe 4280 powershell.exe 4280 powershell.exe 416 powershell.exe 416 powershell.exe 416 powershell.exe 1268 injector.exe 1268 injector.exe 1268 injector.exe 1268 injector.exe 1268 injector.exe 1268 injector.exe 5020 csrss.exe 5020 csrss.exe 1268 injector.exe 1268 injector.exe 1268 injector.exe 1268 injector.exe 1268 injector.exe 1268 injector.exe 5020 csrss.exe 5020 csrss.exe 1268 injector.exe 1268 injector.exe 1268 injector.exe 1268 injector.exe 1268 injector.exe 1268 injector.exe 1268 injector.exe 1268 injector.exe 5020 csrss.exe 5020 csrss.exe 1268 injector.exe 1268 injector.exe 1268 injector.exe 1268 injector.exe 1268 injector.exe 1268 injector.exe 1268 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1164 powershell.exe Token: SeDebugPrivilege 4524 e982cfff440829fddcea5a149f67fe0c519cedd1d80be97002e5c9dff0681743.exe Token: SeImpersonatePrivilege 4524 e982cfff440829fddcea5a149f67fe0c519cedd1d80be97002e5c9dff0681743.exe Token: SeDebugPrivilege 1292 powershell.exe Token: SeDebugPrivilege 2472 powershell.exe Token: SeDebugPrivilege 3144 powershell.exe Token: SeDebugPrivilege 4776 powershell.exe Token: SeDebugPrivilege 4280 powershell.exe Token: SeDebugPrivilege 416 powershell.exe Token: SeSystemEnvironmentPrivilege 5020 csrss.exe Token: SeSecurityPrivilege 4892 sc.exe Token: SeSecurityPrivilege 4892 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4524 wrote to memory of 1164 4524 e982cfff440829fddcea5a149f67fe0c519cedd1d80be97002e5c9dff0681743.exe 90 PID 4524 wrote to memory of 1164 4524 e982cfff440829fddcea5a149f67fe0c519cedd1d80be97002e5c9dff0681743.exe 90 PID 4524 wrote to memory of 1164 4524 e982cfff440829fddcea5a149f67fe0c519cedd1d80be97002e5c9dff0681743.exe 90 PID 4516 wrote to memory of 1292 4516 e982cfff440829fddcea5a149f67fe0c519cedd1d80be97002e5c9dff0681743.exe 100 PID 4516 wrote to memory of 1292 4516 e982cfff440829fddcea5a149f67fe0c519cedd1d80be97002e5c9dff0681743.exe 100 PID 4516 wrote to memory of 1292 4516 e982cfff440829fddcea5a149f67fe0c519cedd1d80be97002e5c9dff0681743.exe 100 PID 4516 wrote to memory of 4576 4516 e982cfff440829fddcea5a149f67fe0c519cedd1d80be97002e5c9dff0681743.exe 105 PID 4516 wrote to memory of 4576 4516 e982cfff440829fddcea5a149f67fe0c519cedd1d80be97002e5c9dff0681743.exe 105 PID 4576 wrote to memory of 4976 4576 cmd.exe 122 PID 4576 wrote to memory of 4976 4576 cmd.exe 122 PID 4516 wrote to memory of 2472 4516 e982cfff440829fddcea5a149f67fe0c519cedd1d80be97002e5c9dff0681743.exe 108 PID 4516 wrote to memory of 2472 4516 e982cfff440829fddcea5a149f67fe0c519cedd1d80be97002e5c9dff0681743.exe 108 PID 4516 wrote to memory of 2472 4516 e982cfff440829fddcea5a149f67fe0c519cedd1d80be97002e5c9dff0681743.exe 108 PID 4516 wrote to memory of 3144 4516 e982cfff440829fddcea5a149f67fe0c519cedd1d80be97002e5c9dff0681743.exe 114 PID 4516 wrote to memory of 3144 4516 e982cfff440829fddcea5a149f67fe0c519cedd1d80be97002e5c9dff0681743.exe 114 PID 4516 wrote to memory of 3144 4516 e982cfff440829fddcea5a149f67fe0c519cedd1d80be97002e5c9dff0681743.exe 114 PID 4516 wrote to memory of 5020 4516 e982cfff440829fddcea5a149f67fe0c519cedd1d80be97002e5c9dff0681743.exe 116 PID 4516 wrote to memory of 5020 4516 e982cfff440829fddcea5a149f67fe0c519cedd1d80be97002e5c9dff0681743.exe 116 PID 4516 wrote to memory of 5020 4516 e982cfff440829fddcea5a149f67fe0c519cedd1d80be97002e5c9dff0681743.exe 116 PID 5020 wrote to memory of 4776 5020 csrss.exe 133 PID 5020 wrote to memory of 4776 5020 csrss.exe 133 PID 5020 wrote to memory of 4776 5020 csrss.exe 133 PID 5020 wrote to memory of 4280 5020 csrss.exe 124 PID 5020 wrote to memory of 4280 5020 csrss.exe 124 PID 5020 wrote to memory of 4280 5020 csrss.exe 124 PID 5020 wrote to memory of 416 5020 csrss.exe 127 PID 5020 wrote to memory of 416 5020 csrss.exe 127 PID 5020 wrote to memory of 416 5020 csrss.exe 127 PID 5020 wrote to memory of 1268 5020 csrss.exe 129 PID 5020 wrote to memory of 1268 5020 csrss.exe 129 PID 748 wrote to memory of 4592 748 windefender.exe 136 PID 748 wrote to memory of 4592 748 windefender.exe 136 PID 748 wrote to memory of 4592 748 windefender.exe 136 PID 4592 wrote to memory of 4892 4592 cmd.exe 137 PID 4592 wrote to memory of 4892 4592 cmd.exe 137 PID 4592 wrote to memory of 4892 4592 cmd.exe 137 -
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\e982cfff440829fddcea5a149f67fe0c519cedd1d80be97002e5c9dff0681743.exe"C:\Users\Admin\AppData\Local\Temp\e982cfff440829fddcea5a149f67fe0c519cedd1d80be97002e5c9dff0681743.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4524 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1164
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C:\Users\Admin\AppData\Local\Temp\e982cfff440829fddcea5a149f67fe0c519cedd1d80be97002e5c9dff0681743.exe"C:\Users\Admin\AppData\Local\Temp\e982cfff440829fddcea5a149f67fe0c519cedd1d80be97002e5c9dff0681743.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:4516 -
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:1292
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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:4576 -
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:4976
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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:2472
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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:3144
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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:5020 -
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:4776
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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:1060
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4976
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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:4280
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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:416
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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:1268
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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:3924
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:748 -
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:4592 -
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:4892
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4524 -s 9522⤵
- Program crash
PID:1696
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4524 -ip 45241⤵PID:640
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C:\Windows\System32\sihclient.exeC:\Windows\System32\sihclient.exe /cv o2DV1v+jwUG2TY80ND5F0g.0.21⤵PID:4776
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4568
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5afd5ed75312d035ee9bc232e59af8890
SHA13f1c0dbb5906dbcc1ee5ef2e6d0ad9d4dd6032c9
SHA2563536e57ecd360b92aed64a653426433c63115936639788a3d851d41d558c175d
SHA5125ee9f269ec4299efd21bf50969637cf4875ec390d4a98dfe2bc735fe3fb90abbabe09e69148cdfed2ae401180278e21629ae75eb3f7eaf338dbc45a197d3bcfc
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57132fd819afc98ddb973c0822de36064
SHA12de20ed461d47179d4946a957b6d951615f58c1a
SHA256af812d014e8c458d560776ccd02b6d51bdd5863bb67334ed5454d8e2709e51db
SHA512a1af051797e50d8cc3eb9bd33134c0775765eeb22e7ffed0f51f3f1939741f861a8c73388c2fd384392f050ba535b8c5942301842a8a5c992585661231b69ae4
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5dd2616ae6adfb7be9cae5d70cd4e16a6
SHA1dfd429909fe66db2d3c6fa54a4daf5be9e7c8be4
SHA25628c011b7b810d08a0bd939b160e69414c36d6272385d2437fca5741afc738cb6
SHA5121a7e4ccad5b6d3de0d6010dafe2d2efcbff3e08766359b0a207c32ef0c8d96574192ddc195ec5a9e1d7999947fd94eb31a5d9777860fab7ad1b94a5650307136
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5897c650b2cbcb046423892857e7510d0
SHA1b98b4dfa4e89b3a587ebb66804a365b698a08dc0
SHA256cde97d959238c3635ef263521eb81827cdd0d3202b2390e1d3786b16fb2ddcb2
SHA512c603bfa6fc4820e94438c750808bcfa3e7445165361c0f4836fc7ea4a5eeefaea34a74eaeddbe483fc124242773d07ceee0730e60cfb4b5eebbe366a9bbb126b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD534ac01ca586a5771085560c8423347b2
SHA1f8c281a7289c21e429d2aa5648a477a113440a87
SHA256911eb7013b8baaf85c50e86fe20b96fbafc100fe2628d7ff6348776189a48f49
SHA51236f0a0faebd08cc338be0a8cf2005d4cae8844cd842e20f2ee36026c8e7dcf9e68bd273280f0d3e1ab3e4038a0ea1a870637d525e8d3b2520872d27ee16b438e
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Filesize
4.2MB
MD57c5db887e99d14244e2d8616c6229523
SHA15b4c40ce8699f97e244fd3e8b7c13d1872308b92
SHA256e982cfff440829fddcea5a149f67fe0c519cedd1d80be97002e5c9dff0681743
SHA512fa33743263ffe875009e912895c91716f04b4346f8e519135bd6935a4a8a5b11948f1c431a1afa2242dee6428ae90871d0bd1c52ee36a3240cf7fdaa61e15f99
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec