Analysis
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max time kernel
136s -
max time network
154s -
platform
windows11-21h2_x64 -
resource
win11-20240412-en -
resource tags
arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system -
submitted
19/04/2024, 20:04
Static task
static1
Behavioral task
behavioral1
Sample
01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe
Resource
win10v2004-20240412-en
General
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Target
01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe
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Size
4.2MB
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MD5
d2805a8299404e46f878f35d08c0587e
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SHA1
5bf687466238c3de1c3edc625fa9214d63f1eba8
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SHA256
01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5
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SHA512
cafcf7c9e83852e4f2d6e836a396fa2b633749b290a3c728a0a13bf453986785f7f46bb5d23a55c62a9e8d4ce95dad850b739b8f43e812ba5436cf1ba28f9fd7
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SSDEEP
98304:500QK3N3Jc8wpX9Ml+P+WnP01raAvqFLRTemOJzdkXGm:7pJcNpX++PyaASVpB6kz
Malware Config
Signatures
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Glupteba payload 21 IoCs
resource yara_rule behavioral2/memory/3764-2-0x0000000004170000-0x0000000004A5B000-memory.dmp family_glupteba behavioral2/memory/3764-3-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/3764-51-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/4668-52-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/3764-53-0x0000000004170000-0x0000000004A5B000-memory.dmp family_glupteba behavioral2/memory/4668-115-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/4668-143-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/1856-145-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/1856-238-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/1856-242-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/1856-248-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/1856-250-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/1856-252-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/1856-254-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/1856-256-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/1856-258-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/1856-260-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/1856-262-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/1856-264-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/1856-266-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/1856-268-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2720 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1856 csrss.exe 1660 injector.exe 2540 windefender.exe 3720 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a9d2-241.dat upx behavioral2/memory/2540-247-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3720-249-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3720-253-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3777591257-2471171023-3629228286-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe Set value (str) \REGISTRY\USER\S-1-5-21-3777591257-2471171023-3629228286-1000\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 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.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe File created C:\Windows\rss\csrss.exe 01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 2348 sc.exe -
Program crash 2 IoCs
pid pid_target Process procid_target 1976 3764 WerFault.exe 79 1100 4668 WerFault.exe 86 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 5008 schtasks.exe 2364 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,-191 = "Mountain Daylight Time" 01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time" 01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-261 = "GMT Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2872 = "Magallanes Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" 01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.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,-441 = "Arabian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1832 = "Russia TZ 2 Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" 01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time" 01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time" 01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time" 01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time" 01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time" 01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time" 01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time" 01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time" 01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time" 01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-491 = "India Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1722 = "Libya Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time" 01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.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\@tzres.dll,-841 = "Argentina Daylight Time" windefender.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,-2771 = "Omsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time" 01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-891 = "Morocco Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2321 = "Sakhalin Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time" 01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" 01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-81 = "Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2772 = "Omsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time" 01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time" 01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" windefender.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\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time" 01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" 01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time" 01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time" 01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1872 = "Russia TZ 7 Standard Time" 01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" 01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-681 = "E. Australia Daylight 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,-2632 = "Norfolk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2591 = "Tocantins Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" 01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" 01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2024 powershell.exe 2024 powershell.exe 3764 01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe 3764 01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe 1012 powershell.exe 1012 powershell.exe 4668 01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe 4668 01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe 4668 01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe 4668 01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe 4668 01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe 4668 01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe 4668 01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe 4668 01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe 4668 01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe 4668 01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe 3856 powershell.exe 3856 powershell.exe 1208 powershell.exe 1208 powershell.exe 872 powershell.exe 872 powershell.exe 2412 powershell.exe 2412 powershell.exe 4356 powershell.exe 4356 powershell.exe 1660 injector.exe 1660 injector.exe 1660 injector.exe 1660 injector.exe 1660 injector.exe 1660 injector.exe 1856 csrss.exe 1856 csrss.exe 1660 injector.exe 1660 injector.exe 1660 injector.exe 1660 injector.exe 1660 injector.exe 1660 injector.exe 1856 csrss.exe 1856 csrss.exe 1660 injector.exe 1660 injector.exe 1660 injector.exe 1660 injector.exe 1660 injector.exe 1660 injector.exe 1660 injector.exe 1660 injector.exe 1660 injector.exe 1660 injector.exe 1856 csrss.exe 1856 csrss.exe 1660 injector.exe 1660 injector.exe 1660 injector.exe 1660 injector.exe 1660 injector.exe 1660 injector.exe 1660 injector.exe 1660 injector.exe 1660 injector.exe 1660 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2024 powershell.exe Token: SeDebugPrivilege 3764 01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe Token: SeImpersonatePrivilege 3764 01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe Token: SeDebugPrivilege 1012 powershell.exe Token: SeDebugPrivilege 3856 powershell.exe Token: SeDebugPrivilege 1208 powershell.exe Token: SeDebugPrivilege 872 powershell.exe Token: SeDebugPrivilege 2412 powershell.exe Token: SeDebugPrivilege 4356 powershell.exe Token: SeSystemEnvironmentPrivilege 1856 csrss.exe Token: SeSecurityPrivilege 2348 sc.exe Token: SeSecurityPrivilege 2348 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3764 wrote to memory of 2024 3764 01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe 82 PID 3764 wrote to memory of 2024 3764 01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe 82 PID 3764 wrote to memory of 2024 3764 01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe 82 PID 4668 wrote to memory of 1012 4668 01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe 90 PID 4668 wrote to memory of 1012 4668 01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe 90 PID 4668 wrote to memory of 1012 4668 01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe 90 PID 4668 wrote to memory of 1960 4668 01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe 92 PID 4668 wrote to memory of 1960 4668 01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe 92 PID 1960 wrote to memory of 2720 1960 cmd.exe 94 PID 1960 wrote to memory of 2720 1960 cmd.exe 94 PID 4668 wrote to memory of 3856 4668 01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe 95 PID 4668 wrote to memory of 3856 4668 01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe 95 PID 4668 wrote to memory of 3856 4668 01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe 95 PID 4668 wrote to memory of 1208 4668 01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe 97 PID 4668 wrote to memory of 1208 4668 01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe 97 PID 4668 wrote to memory of 1208 4668 01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe 97 PID 4668 wrote to memory of 1856 4668 01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe 99 PID 4668 wrote to memory of 1856 4668 01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe 99 PID 4668 wrote to memory of 1856 4668 01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe 99 PID 1856 wrote to memory of 872 1856 csrss.exe 102 PID 1856 wrote to memory of 872 1856 csrss.exe 102 PID 1856 wrote to memory of 872 1856 csrss.exe 102 PID 1856 wrote to memory of 2412 1856 csrss.exe 108 PID 1856 wrote to memory of 2412 1856 csrss.exe 108 PID 1856 wrote to memory of 2412 1856 csrss.exe 108 PID 1856 wrote to memory of 4356 1856 csrss.exe 110 PID 1856 wrote to memory of 4356 1856 csrss.exe 110 PID 1856 wrote to memory of 4356 1856 csrss.exe 110 PID 1856 wrote to memory of 1660 1856 csrss.exe 112 PID 1856 wrote to memory of 1660 1856 csrss.exe 112 PID 2540 wrote to memory of 4944 2540 windefender.exe 118 PID 2540 wrote to memory of 4944 2540 windefender.exe 118 PID 2540 wrote to memory of 4944 2540 windefender.exe 118 PID 4944 wrote to memory of 2348 4944 cmd.exe 119 PID 4944 wrote to memory of 2348 4944 cmd.exe 119 PID 4944 wrote to memory of 2348 4944 cmd.exe 119 -
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\01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe"C:\Users\Admin\AppData\Local\Temp\01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3764 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2024
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C:\Users\Admin\AppData\Local\Temp\01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe"C:\Users\Admin\AppData\Local\Temp\01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.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:4668 -
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:1012
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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:1960 -
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:2720
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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:3856
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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:1208
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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:1856 -
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:872
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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:5008
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2196
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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:2412
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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:4356
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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:1660
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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:2364
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2540 -
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:4944 -
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:2348
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4668 -s 7483⤵
- Program crash
PID:1100
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3764 -s 9562⤵
- Program crash
PID:1976
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3764 -ip 37641⤵PID:4344
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4668 -ip 46681⤵PID:1456
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3720
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
MD5dda7c99d70a7799bb7152aca6377889c
SHA1d27654342fb3403ef41e8a97365bf6b06ac77ab6
SHA25661fcc3c5fedb135dc144cbcfa1ec4380486a896c5c2c1fb6eb18c9567ec6c946
SHA512ddb30f2e2e27500447ee18fc6328b7d582007fa6f43a7951b318e1a70727f0de3bd7ab01bd2a7c6162bf0ab8e9fe151668f9a3e8602336dff28cf1b93ad98f9a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59986ecb1289293ba6e985b8222f5b677
SHA146ad905450e2e2849ec568413acfb0d059ebfe3e
SHA2566c183e12625cb267a064607ab737f636a01d146cb256e527a8fb0e12e33afe9a
SHA5127af9340563b0c98d397975c1b359093d9aef3848f5b692c7654603709f6873ed7af0e5c0243aa395e623cebc4154eeb0e77117155fad19a89369440177fa52b0
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55638d1f3467dd449b82315e3fda6e77c
SHA1eeafc21793e6de84877ffd437fc2a81672dff870
SHA25629c4bd8c037c70c157c0055de8b4f469a4fe37f47f9b7a2f5c67e0ef4acbbfe5
SHA512ca207813cc903e1df38589e6d86ffc257391f090cc3a182bb0894c4767fa2c88416f82f55fd8ae10eb8638791feaddde23db4602abf530efe110ff09450f6958
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5cc2a14f0bbeed03e95bd513fef067bed
SHA1f41651b2c7bc8086d3c9f1f7f2dde7945bdf9fdd
SHA25653f65389a5eb627b458d1f05ce07e594d5bf1e4229a6a51bc0fafc4b2f269caa
SHA512c9f890e100f5367799c889c85501cd7122f89536ed67dcbe7da23b90444e4a033f26d696dfca076ac2492e6aab9d8ae7c00d65ae90084a8cbcebd99a4420927d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5000f89da70c8935a1eeb691b88e0f7bb
SHA1d0259f956cc1e105eacd6ef82bfe87ba921a96a7
SHA2568fb00d09b67bcef64e72d8594e1b3d3108320b51c1792b7069583862dcd30bba
SHA512119399785289288dc8356649c0d74c676e35383769609d9312fd47d704e7f502a25672e912e2f35aa6327715f187e2d3cb2a7bef5d1b57832797248987ed01d3
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Filesize
4.2MB
MD5d2805a8299404e46f878f35d08c0587e
SHA15bf687466238c3de1c3edc625fa9214d63f1eba8
SHA25601c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5
SHA512cafcf7c9e83852e4f2d6e836a396fa2b633749b290a3c728a0a13bf453986785f7f46bb5d23a55c62a9e8d4ce95dad850b739b8f43e812ba5436cf1ba28f9fd7
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec