Analysis
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max time kernel
150s -
max time network
146s -
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, 20:05
Static task
static1
Behavioral task
behavioral1
Sample
41c1226b4f3a772fd5f9f30be633b911bde6d06373b2d622002c00332f453866.exe
Resource
win10v2004-20240412-en
General
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Target
41c1226b4f3a772fd5f9f30be633b911bde6d06373b2d622002c00332f453866.exe
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Size
4.2MB
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MD5
89e9fa5807537d62539534aa9c0b543a
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SHA1
2306cfc6d0f63272355f488cb5ee168d73396114
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SHA256
41c1226b4f3a772fd5f9f30be633b911bde6d06373b2d622002c00332f453866
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SHA512
35879ccc0a7f83b03aa9dccc2387a0fe4782f660b97f2bbd25d5228922d80986a5f3fc2f40c0be9ccd043d07f08668f88dfdc4c5dbd7f6c3eb934bc2535beaff
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SSDEEP
98304:J00QK3N3Jc8wpX9Ml+P+WnP01raAvqFLRTemOJzdkXGt:LpJcNpX++PyaASVpB6kc
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/4756-2-0x00000000040B0000-0x000000000499B000-memory.dmp family_glupteba behavioral1/memory/4756-3-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4756-55-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/2516-57-0x0000000003ED0000-0x00000000047BB000-memory.dmp family_glupteba behavioral1/memory/2516-58-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/2516-156-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/3740-258-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/3740-263-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/3740-268-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/3740-270-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/3740-272-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/3740-274-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/3740-276-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/3740-278-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/3740-280-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/3740-282-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/3740-284-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/3740-286-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/3740-288-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 60 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3740 csrss.exe 1524 injector.exe 2552 windefender.exe 2356 windefender.exe -
resource yara_rule behavioral1/files/0x00070000000233f6-262.dat upx behavioral1/memory/2552-266-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2356-269-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2356-273-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1132431369-515282257-1998160155-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 41c1226b4f3a772fd5f9f30be633b911bde6d06373b2d622002c00332f453866.exe Set value (str) \REGISTRY\USER\S-1-5-21-1132431369-515282257-1998160155-1000\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 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 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 -
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 41c1226b4f3a772fd5f9f30be633b911bde6d06373b2d622002c00332f453866.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 41c1226b4f3a772fd5f9f30be633b911bde6d06373b2d622002c00332f453866.exe File created C:\Windows\rss\csrss.exe 41c1226b4f3a772fd5f9f30be633b911bde6d06373b2d622002c00332f453866.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 316 sc.exe -
Program crash 2 IoCs
pid pid_target Process procid_target 4152 4756 WerFault.exe 86 3536 2516 WerFault.exe 95 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4436 schtasks.exe 2172 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-111 = "Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2752 = "Tomsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" 41c1226b4f3a772fd5f9f30be633b911bde6d06373b2d622002c00332f453866.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time" 41c1226b4f3a772fd5f9f30be633b911bde6d06373b2d622002c00332f453866.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs 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\26\52C64B7E\@tzres.dll,-561 = "SE Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time" 41c1226b4f3a772fd5f9f30be633b911bde6d06373b2d622002c00332f453866.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time" 41c1226b4f3a772fd5f9f30be633b911bde6d06373b2d622002c00332f453866.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-412 = "E. Africa Standard Time" 41c1226b4f3a772fd5f9f30be633b911bde6d06373b2d622002c00332f453866.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" 41c1226b4f3a772fd5f9f30be633b911bde6d06373b2d622002c00332f453866.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-172 = "Central Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2431 = "Cuba Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-262 = "GMT Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-631 = "Tokyo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time" 41c1226b4f3a772fd5f9f30be633b911bde6d06373b2d622002c00332f453866.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates 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,-384 = "Namibia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2591 = "Tocantins Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople 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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" 41c1226b4f3a772fd5f9f30be633b911bde6d06373b2d622002c00332f453866.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-341 = "Egypt Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-652 = "AUS Central Standard Time" 41c1226b4f3a772fd5f9f30be633b911bde6d06373b2d622002c00332f453866.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" 41c1226b4f3a772fd5f9f30be633b911bde6d06373b2d622002c00332f453866.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time" 41c1226b4f3a772fd5f9f30be633b911bde6d06373b2d622002c00332f453866.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,-871 = "Pakistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-932 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time" 41c1226b4f3a772fd5f9f30be633b911bde6d06373b2d622002c00332f453866.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" 41c1226b4f3a772fd5f9f30be633b911bde6d06373b2d622002c00332f453866.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-431 = "Iran Daylight Time" 41c1226b4f3a772fd5f9f30be633b911bde6d06373b2d622002c00332f453866.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" 41c1226b4f3a772fd5f9f30be633b911bde6d06373b2d622002c00332f453866.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,-2182 = "Astrakhan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-752 = "Tonga Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time" 41c1226b4f3a772fd5f9f30be633b911bde6d06373b2d622002c00332f453866.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time" 41c1226b4f3a772fd5f9f30be633b911bde6d06373b2d622002c00332f453866.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time" 41c1226b4f3a772fd5f9f30be633b911bde6d06373b2d622002c00332f453866.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2572 = "Turks and Caicos Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time" 41c1226b4f3a772fd5f9f30be633b911bde6d06373b2d622002c00332f453866.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time" 41c1226b4f3a772fd5f9f30be633b911bde6d06373b2d622002c00332f453866.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed 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\SmartCardRoot\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,-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,-104 = "Central Brazilian Daylight Time" 41c1226b4f3a772fd5f9f30be633b911bde6d06373b2d622002c00332f453866.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time" 41c1226b4f3a772fd5f9f30be633b911bde6d06373b2d622002c00332f453866.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3932 powershell.exe 3932 powershell.exe 4756 41c1226b4f3a772fd5f9f30be633b911bde6d06373b2d622002c00332f453866.exe 4756 41c1226b4f3a772fd5f9f30be633b911bde6d06373b2d622002c00332f453866.exe 4468 powershell.exe 4468 powershell.exe 4468 powershell.exe 2516 41c1226b4f3a772fd5f9f30be633b911bde6d06373b2d622002c00332f453866.exe 2516 41c1226b4f3a772fd5f9f30be633b911bde6d06373b2d622002c00332f453866.exe 2516 41c1226b4f3a772fd5f9f30be633b911bde6d06373b2d622002c00332f453866.exe 2516 41c1226b4f3a772fd5f9f30be633b911bde6d06373b2d622002c00332f453866.exe 2516 41c1226b4f3a772fd5f9f30be633b911bde6d06373b2d622002c00332f453866.exe 2516 41c1226b4f3a772fd5f9f30be633b911bde6d06373b2d622002c00332f453866.exe 2516 41c1226b4f3a772fd5f9f30be633b911bde6d06373b2d622002c00332f453866.exe 2516 41c1226b4f3a772fd5f9f30be633b911bde6d06373b2d622002c00332f453866.exe 2516 41c1226b4f3a772fd5f9f30be633b911bde6d06373b2d622002c00332f453866.exe 2516 41c1226b4f3a772fd5f9f30be633b911bde6d06373b2d622002c00332f453866.exe 5016 powershell.exe 5016 powershell.exe 5016 powershell.exe 2992 powershell.exe 2992 powershell.exe 2992 powershell.exe 1936 powershell.exe 1936 powershell.exe 1936 powershell.exe 2356 powershell.exe 2356 powershell.exe 2356 powershell.exe 3536 powershell.exe 3536 powershell.exe 3536 powershell.exe 1524 injector.exe 1524 injector.exe 1524 injector.exe 1524 injector.exe 1524 injector.exe 1524 injector.exe 3740 csrss.exe 3740 csrss.exe 1524 injector.exe 1524 injector.exe 1524 injector.exe 1524 injector.exe 1524 injector.exe 1524 injector.exe 3740 csrss.exe 3740 csrss.exe 1524 injector.exe 1524 injector.exe 1524 injector.exe 1524 injector.exe 1524 injector.exe 1524 injector.exe 1524 injector.exe 1524 injector.exe 1524 injector.exe 1524 injector.exe 1524 injector.exe 1524 injector.exe 1524 injector.exe 1524 injector.exe 3740 csrss.exe 3740 csrss.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3932 powershell.exe Token: SeDebugPrivilege 4756 41c1226b4f3a772fd5f9f30be633b911bde6d06373b2d622002c00332f453866.exe Token: SeImpersonatePrivilege 4756 41c1226b4f3a772fd5f9f30be633b911bde6d06373b2d622002c00332f453866.exe Token: SeDebugPrivilege 4468 powershell.exe Token: SeDebugPrivilege 5016 powershell.exe Token: SeDebugPrivilege 2992 powershell.exe Token: SeDebugPrivilege 1936 powershell.exe Token: SeDebugPrivilege 2356 powershell.exe Token: SeDebugPrivilege 3536 powershell.exe Token: SeSystemEnvironmentPrivilege 3740 csrss.exe Token: SeSecurityPrivilege 316 sc.exe Token: SeSecurityPrivilege 316 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4756 wrote to memory of 3932 4756 41c1226b4f3a772fd5f9f30be633b911bde6d06373b2d622002c00332f453866.exe 91 PID 4756 wrote to memory of 3932 4756 41c1226b4f3a772fd5f9f30be633b911bde6d06373b2d622002c00332f453866.exe 91 PID 4756 wrote to memory of 3932 4756 41c1226b4f3a772fd5f9f30be633b911bde6d06373b2d622002c00332f453866.exe 91 PID 2516 wrote to memory of 4468 2516 41c1226b4f3a772fd5f9f30be633b911bde6d06373b2d622002c00332f453866.exe 99 PID 2516 wrote to memory of 4468 2516 41c1226b4f3a772fd5f9f30be633b911bde6d06373b2d622002c00332f453866.exe 99 PID 2516 wrote to memory of 4468 2516 41c1226b4f3a772fd5f9f30be633b911bde6d06373b2d622002c00332f453866.exe 99 PID 2516 wrote to memory of 2080 2516 41c1226b4f3a772fd5f9f30be633b911bde6d06373b2d622002c00332f453866.exe 104 PID 2516 wrote to memory of 2080 2516 41c1226b4f3a772fd5f9f30be633b911bde6d06373b2d622002c00332f453866.exe 104 PID 2080 wrote to memory of 60 2080 cmd.exe 106 PID 2080 wrote to memory of 60 2080 cmd.exe 106 PID 2516 wrote to memory of 5016 2516 41c1226b4f3a772fd5f9f30be633b911bde6d06373b2d622002c00332f453866.exe 107 PID 2516 wrote to memory of 5016 2516 41c1226b4f3a772fd5f9f30be633b911bde6d06373b2d622002c00332f453866.exe 107 PID 2516 wrote to memory of 5016 2516 41c1226b4f3a772fd5f9f30be633b911bde6d06373b2d622002c00332f453866.exe 107 PID 2516 wrote to memory of 2992 2516 41c1226b4f3a772fd5f9f30be633b911bde6d06373b2d622002c00332f453866.exe 109 PID 2516 wrote to memory of 2992 2516 41c1226b4f3a772fd5f9f30be633b911bde6d06373b2d622002c00332f453866.exe 109 PID 2516 wrote to memory of 2992 2516 41c1226b4f3a772fd5f9f30be633b911bde6d06373b2d622002c00332f453866.exe 109 PID 2516 wrote to memory of 3740 2516 41c1226b4f3a772fd5f9f30be633b911bde6d06373b2d622002c00332f453866.exe 112 PID 2516 wrote to memory of 3740 2516 41c1226b4f3a772fd5f9f30be633b911bde6d06373b2d622002c00332f453866.exe 112 PID 2516 wrote to memory of 3740 2516 41c1226b4f3a772fd5f9f30be633b911bde6d06373b2d622002c00332f453866.exe 112 PID 3740 wrote to memory of 1936 3740 csrss.exe 115 PID 3740 wrote to memory of 1936 3740 csrss.exe 115 PID 3740 wrote to memory of 1936 3740 csrss.exe 115 PID 3740 wrote to memory of 2356 3740 csrss.exe 135 PID 3740 wrote to memory of 2356 3740 csrss.exe 135 PID 3740 wrote to memory of 2356 3740 csrss.exe 135 PID 3740 wrote to memory of 3536 3740 csrss.exe 124 PID 3740 wrote to memory of 3536 3740 csrss.exe 124 PID 3740 wrote to memory of 3536 3740 csrss.exe 124 PID 3740 wrote to memory of 1524 3740 csrss.exe 126 PID 3740 wrote to memory of 1524 3740 csrss.exe 126 PID 2552 wrote to memory of 220 2552 windefender.exe 133 PID 2552 wrote to memory of 220 2552 windefender.exe 133 PID 2552 wrote to memory of 220 2552 windefender.exe 133 PID 220 wrote to memory of 316 220 cmd.exe 134 PID 220 wrote to memory of 316 220 cmd.exe 134 PID 220 wrote to memory of 316 220 cmd.exe 134 -
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\41c1226b4f3a772fd5f9f30be633b911bde6d06373b2d622002c00332f453866.exe"C:\Users\Admin\AppData\Local\Temp\41c1226b4f3a772fd5f9f30be633b911bde6d06373b2d622002c00332f453866.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4756 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3932
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C:\Users\Admin\AppData\Local\Temp\41c1226b4f3a772fd5f9f30be633b911bde6d06373b2d622002c00332f453866.exe"C:\Users\Admin\AppData\Local\Temp\41c1226b4f3a772fd5f9f30be633b911bde6d06373b2d622002c00332f453866.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:2516 -
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:4468
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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:2080 -
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:60
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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:5016
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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:2992
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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:3740 -
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:1936
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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:4436
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1628
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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:2356
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3536
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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:1524
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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:2172
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2552 -
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:220 -
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:316
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2516 -s 9003⤵
- Program crash
PID:3536
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4756 -s 9042⤵
- Program crash
PID:4152
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4756 -ip 47561⤵PID:3864
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2516 -ip 25161⤵PID:3772
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2356
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
MD558f6c3512f1472f670accafe5bcdd7ad
SHA18868947334848b3b3d545ae7c3518dd0789ee09f
SHA2566b57b9458df5752d4cb4b867c5a4d0d967d69d00c5d7730653000a32c014f335
SHA512414c039319d406248a8241c95fcd03b229acbc449711abc680a6008d2717499cb22f888517882246fe996c5ff9d3ac630640b526a6e89fdf52a7085c487e02df
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56865d2bded28d4ddb93e495a5d83b0d3
SHA1d8241bc5054770949cd8a13db973202a7d7111f8
SHA25681a57b7ebb25dd1b6c65c45fe50e897d0d63aa93a48c14f78ac464047c0fa342
SHA5122a85653c7df88011310354de0b86c2bfb437d3146cad0ebf4d5355ca260ac7af80fd3ebbf6aa33385493415fd80ace40be7d4ec3376c7a00858f18c415e20627
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ed360d68b50d1c21228e59100988fdd1
SHA16bfc93720e81e33a2016abd8ff6342f745f77c8d
SHA256c9e8072d6d0ba173ff3fa0dfc8bb1713ecbc9230b3bdd307c63f581250a021ee
SHA5123d757a88e672914f38e99fb71aec2762c23ff2a7c8aaf2c1f961797a72ccd1e762fcbdfb3f949bf9bcf525347db2cee9319c4f77b04be174f8bf85d7079070f4
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5dcf51b329b24f00a7bd81aee87df675e
SHA1c5d7bfdc58c87a8d476589aec77d5cd6b6000193
SHA256fe0a8586037e9b9d08e09980113fc42624ec94d50623a2daeda6c50690da698a
SHA512f67dbae77d8c416d3e07ac7a94a3b665281e257ff18e393da3f992a309d391c8b081de39dd932bbd3ecb064ef53283749c1d79135c49ae78ac4dffe7b34f3952
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d8c2af0e2338b147f890f4debdd429d2
SHA1ee51a60240cf73b25ebcffa47b56080e1f4be416
SHA25609e6fc48760388f2a760d7a60f90a7a5f4dfcbc1b7942dff065b2f51606876c4
SHA5120c00cb6bf45a48e0233b006ea5582fae2554ddbface378dc992c060e460ce8e5058257b361a981cb58c880734397018b4621f397473b45c34bba4db180e700a2
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Filesize
4.2MB
MD589e9fa5807537d62539534aa9c0b543a
SHA12306cfc6d0f63272355f488cb5ee168d73396114
SHA25641c1226b4f3a772fd5f9f30be633b911bde6d06373b2d622002c00332f453866
SHA51235879ccc0a7f83b03aa9dccc2387a0fe4782f660b97f2bbd25d5228922d80986a5f3fc2f40c0be9ccd043d07f08668f88dfdc4c5dbd7f6c3eb934bc2535beaff
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec