Analysis
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max time kernel
149s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
15-05-2024 15:39
Static task
static1
Behavioral task
behavioral1
Sample
94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.exe
Resource
win10v2004-20240508-en
General
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Target
94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.exe
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Size
4.1MB
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MD5
b642129a947608e13ba27bb887e2aeda
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SHA1
f4e401d53b9c34b6ee6fc706afaf75091190d1e8
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SHA256
94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3
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SHA512
c6f1b50d255c195ca7b1cbd21f4bdc05e24bf2a51c1fc04c3be2e9f161d997d8a7b792ff946a8820c027eca3d0aa3fc5f06ee25efa1a7c6b8039f00d1e13aca6
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SSDEEP
98304:E4ziXPD6JlCwAB9MdaGWF4olx/WA7Yvzbb8JpN2:E4G/GRAB9MdaGBolx/Wzu0
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/2428-2-0x0000000004CA0000-0x000000000558B000-memory.dmp family_glupteba behavioral1/memory/2428-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2428-28-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2428-56-0x0000000004CA0000-0x000000000558B000-memory.dmp family_glupteba behavioral1/memory/2428-58-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2428-55-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/3068-83-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/3068-138-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/1612-167-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/1612-223-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/1612-233-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/1612-235-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/1612-239-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/1612-242-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/1612-245-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/1612-247-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/1612-251-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/1612-254-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/1612-256-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1232 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1612 csrss.exe 1044 injector.exe 4524 windefender.exe 1040 windefender.exe -
resource yara_rule behavioral1/files/0x0008000000023617-227.dat upx behavioral1/memory/4524-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1040-231-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4524-232-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1040-236-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1040-241-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1040-250-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.exe Set value (str) \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\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\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.exe File created C:\Windows\rss\csrss.exe 94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.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 4816 sc.exe -
pid Process 3660 powershell.exe 3988 powershell.exe 1384 powershell.exe 3332 powershell.exe 3004 powershell.exe 4140 powershell.exe 1404 powershell.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2672 schtasks.exe 2532 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-831 = "SA Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. Standard Time" 94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed 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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time" 94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-631 = "Tokyo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time" 94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" 94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-622 = "Korea Standard Time" 94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time" 94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.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\2a\52C64B7E\@tzres.dll,-231 = "Hawaiian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time" 94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time" 94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-449 = "Azerbaijan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time" 94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-491 = "India Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2512 = "Lord Howe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time" 94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-591 = "Malay Peninsula Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2412 = "Marquesas Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3141 = "South Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" 94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time" 94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time" 94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2872 = "Magallanes Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" 94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-741 = "New Zealand Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-381 = "South Africa Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-182 = "Mountain Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" 94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" 94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" 94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" 94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-962 = "Paraguay Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2891 = "Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time" 94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.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\2a\52C64B7E\@tzres.dll,-335 = "Jordan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs 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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2491 = "Aus Central W. Daylight Time" 94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time" 94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)" 94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time" 94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time" 94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3332 powershell.exe 3332 powershell.exe 2428 94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.exe 2428 94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.exe 3004 powershell.exe 3004 powershell.exe 3004 powershell.exe 3068 94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.exe 3068 94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.exe 3068 94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.exe 3068 94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.exe 3068 94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.exe 3068 94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.exe 3068 94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.exe 3068 94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.exe 3068 94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.exe 3068 94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.exe 4140 powershell.exe 4140 powershell.exe 4140 powershell.exe 1404 powershell.exe 1404 powershell.exe 1404 powershell.exe 3660 powershell.exe 3660 powershell.exe 3660 powershell.exe 3988 powershell.exe 3988 powershell.exe 1384 powershell.exe 1384 powershell.exe 1044 injector.exe 1044 injector.exe 1044 injector.exe 1044 injector.exe 1044 injector.exe 1044 injector.exe 1612 csrss.exe 1612 csrss.exe 1044 injector.exe 1044 injector.exe 1044 injector.exe 1044 injector.exe 1044 injector.exe 1044 injector.exe 1612 csrss.exe 1612 csrss.exe 1044 injector.exe 1044 injector.exe 1044 injector.exe 1044 injector.exe 1612 csrss.exe 1612 csrss.exe 1044 injector.exe 1044 injector.exe 1044 injector.exe 1044 injector.exe 1044 injector.exe 1044 injector.exe 1044 injector.exe 1044 injector.exe 1044 injector.exe 1044 injector.exe 1044 injector.exe 1044 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3332 powershell.exe Token: SeDebugPrivilege 2428 94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.exe Token: SeImpersonatePrivilege 2428 94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.exe Token: SeDebugPrivilege 3004 powershell.exe Token: SeDebugPrivilege 4140 powershell.exe Token: SeDebugPrivilege 1404 powershell.exe Token: SeDebugPrivilege 3660 powershell.exe Token: SeDebugPrivilege 3988 powershell.exe Token: SeDebugPrivilege 1384 powershell.exe Token: SeSystemEnvironmentPrivilege 1612 csrss.exe Token: SeSecurityPrivilege 4816 sc.exe Token: SeSecurityPrivilege 4816 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2428 wrote to memory of 3332 2428 94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.exe 94 PID 2428 wrote to memory of 3332 2428 94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.exe 94 PID 2428 wrote to memory of 3332 2428 94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.exe 94 PID 3068 wrote to memory of 3004 3068 94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.exe 99 PID 3068 wrote to memory of 3004 3068 94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.exe 99 PID 3068 wrote to memory of 3004 3068 94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.exe 99 PID 3068 wrote to memory of 4212 3068 94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.exe 101 PID 3068 wrote to memory of 4212 3068 94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.exe 101 PID 4212 wrote to memory of 1232 4212 cmd.exe 103 PID 4212 wrote to memory of 1232 4212 cmd.exe 103 PID 3068 wrote to memory of 4140 3068 94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.exe 104 PID 3068 wrote to memory of 4140 3068 94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.exe 104 PID 3068 wrote to memory of 4140 3068 94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.exe 104 PID 3068 wrote to memory of 1404 3068 94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.exe 107 PID 3068 wrote to memory of 1404 3068 94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.exe 107 PID 3068 wrote to memory of 1404 3068 94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.exe 107 PID 3068 wrote to memory of 1612 3068 94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.exe 109 PID 3068 wrote to memory of 1612 3068 94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.exe 109 PID 3068 wrote to memory of 1612 3068 94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.exe 109 PID 1612 wrote to memory of 3660 1612 csrss.exe 111 PID 1612 wrote to memory of 3660 1612 csrss.exe 111 PID 1612 wrote to memory of 3660 1612 csrss.exe 111 PID 1612 wrote to memory of 3988 1612 csrss.exe 117 PID 1612 wrote to memory of 3988 1612 csrss.exe 117 PID 1612 wrote to memory of 3988 1612 csrss.exe 117 PID 1612 wrote to memory of 1384 1612 csrss.exe 119 PID 1612 wrote to memory of 1384 1612 csrss.exe 119 PID 1612 wrote to memory of 1384 1612 csrss.exe 119 PID 1612 wrote to memory of 1044 1612 csrss.exe 121 PID 1612 wrote to memory of 1044 1612 csrss.exe 121 PID 4524 wrote to memory of 4704 4524 windefender.exe 127 PID 4524 wrote to memory of 4704 4524 windefender.exe 127 PID 4524 wrote to memory of 4704 4524 windefender.exe 127 PID 4704 wrote to memory of 4816 4704 cmd.exe 128 PID 4704 wrote to memory of 4816 4704 cmd.exe 128 PID 4704 wrote to memory of 4816 4704 cmd.exe 128 -
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\94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.exe"C:\Users\Admin\AppData\Local\Temp\94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2428 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3332
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C:\Users\Admin\AppData\Local\Temp\94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.exe"C:\Users\Admin\AppData\Local\Temp\94af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3.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:3068 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3004
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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:4212 -
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:1232
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4140
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1404
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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:1612 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3660
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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:2672
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1480
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3988
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1384
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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:1044
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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:2532
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4524 -
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:4704 -
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:4816
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4268,i,18168883380598738769,14202261231630113808,262144 --variations-seed-version --mojo-platform-channel-handle=4300 /prefetch:81⤵PID:2636
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1040
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
MD56d5ad8cf57474bc06c102abe7092c937
SHA1436728666bc46e121856fe185dbd82c60ba86269
SHA2566cc3cbf0ef67cf208fb9c10ea4ff65c30c1e7329099f600c593adf9347ad05da
SHA512bafc6d97c8cbcc59ee5b3e6a393f099d3e0ed5f1707abcc14ae8a953d29dd7a97142cad2a676fd48a436d52c39fe5e65af243360c38dfd91837fa6ea2bab3cfc
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d016f93c76b8f50a3935f87825a010e0
SHA17bc5199db336b48b2d59a9bf36140b01eea2574d
SHA256ae10b27fc33d3b441b8bc14c0a1387a50c87cecfec91a392267cbe86330fe027
SHA512c95c66a4acf3d7c368475743509a512c5488510977db42a16de669a8e1edd462c9743a8a87ed617168f40ed002a00ffe58226ba18621dc45b75dbf250535b8b7
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e55ae1603c95dc7414cbb4f7f184f4f4
SHA15304db9dbdb64cd63127972238738e964d5c4316
SHA256464e1e76f9b867d0862bbf6f17b76557434ef4248f6489ac620d2f5c324dd0b1
SHA512c7f5593a47ab062f258320d97c670ec06c04c0e4aa7fa782803ae87e202e65663193869095985acd7f1f5c4c99ae6e6bbdf4c4079ed8fd059b04b9fcbd121f0a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD551eb700e53b78b9261119a0e861837e9
SHA1b7e94e114a87e624567f9ca482a0b0d1cea1f3b3
SHA256c07ac277ba52e4e19ee14568a4490b5d292006390d6a12547d280980a4eba833
SHA5120ed516ad8c2f74059e3a4c1a5e0956ec89dd9e436b78f58d397291304911916bf233d4d3df0af35522aee26c72707fd0216eb5d94155497515ea87273508c6a9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ed7c3fc6be638c2f34bf917f3423b9fc
SHA10842d5b3ab8c704a50934f4db040f49e8bc1c242
SHA2562ac4af8af0ca82031a051fdea47bbf86cbab1893faf37ba2c136eeb6beec84c0
SHA51216ccdb8a4b0b077adda27762a5d56858d1907dc7c092042d4fff383b6c28f11ce629f9198ac950a21eb35b5e7c753a6b54c49ddf91f86df46fa7fdfd11392ef4
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Filesize
4.1MB
MD5b642129a947608e13ba27bb887e2aeda
SHA1f4e401d53b9c34b6ee6fc706afaf75091190d1e8
SHA25694af38f60f51e8be7c069d0a3dd34bbd1142041a88f6c65f2025942fe30d5af3
SHA512c6f1b50d255c195ca7b1cbd21f4bdc05e24bf2a51c1fc04c3be2e9f161d997d8a7b792ff946a8820c027eca3d0aa3fc5f06ee25efa1a7c6b8039f00d1e13aca6
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec