Analysis
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max time kernel
149s -
max time network
149s -
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, 20:05
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 behavioral2/memory/8-2-0x0000000004220000-0x0000000004B0B000-memory.dmp family_glupteba behavioral2/memory/8-3-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/8-53-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/3036-55-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/8-56-0x0000000004220000-0x0000000004B0B000-memory.dmp family_glupteba behavioral2/memory/3036-152-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/2100-246-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/2100-255-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/2100-256-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/2100-259-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/2100-261-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/2100-263-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/2100-264-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/2100-266-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/2100-269-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/2100-271-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/2100-273-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/2100-274-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/2100-276-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2060 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2100 csrss.exe 2484 injector.exe 1968 windefender.exe 4764 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a9ae-250.dat upx behavioral2/memory/1968-253-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4764-257-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4764-260-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-834482027-582050234-2368284635-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 41c1226b4f3a772fd5f9f30be633b911bde6d06373b2d622002c00332f453866.exe Set value (str) \REGISTRY\USER\S-1-5-21-834482027-582050234-2368284635-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 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 2624 sc.exe -
Program crash 2 IoCs
pid pid_target Process procid_target 4664 8 WerFault.exe 79 4656 3036 WerFault.exe 87 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4548 schtasks.exe 2676 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,-462 = "Afghanistan Standard Time" 41c1226b4f3a772fd5f9f30be633b911bde6d06373b2d622002c00332f453866.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" 41c1226b4f3a772fd5f9f30be633b911bde6d06373b2d622002c00332f453866.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time" 41c1226b4f3a772fd5f9f30be633b911bde6d06373b2d622002c00332f453866.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-132 = "US Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time" 41c1226b4f3a772fd5f9f30be633b911bde6d06373b2d622002c00332f453866.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" 41c1226b4f3a772fd5f9f30be633b911bde6d06373b2d622002c00332f453866.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1472 = "Magadan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-365 = "Middle East Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" 41c1226b4f3a772fd5f9f30be633b911bde6d06373b2d622002c00332f453866.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-171 = "Central Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-741 = "New Zealand Daylight 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,-601 = "Taipei Daylight Time" 41c1226b4f3a772fd5f9f30be633b911bde6d06373b2d622002c00332f453866.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time" 41c1226b4f3a772fd5f9f30be633b911bde6d06373b2d622002c00332f453866.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-161 = "Central 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,-3051 = "Qyzylorda Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-562 = "SE Asia Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2531 = "Chatham Islands Daylight Time" 41c1226b4f3a772fd5f9f30be633b911bde6d06373b2d622002c00332f453866.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-111 = "Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-492 = "India Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard 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\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2162 = "Altai Standard 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,-832 = "SA Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-561 = "SE Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-932 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2572 = "Turks and Caicos Standard Time" 41c1226b4f3a772fd5f9f30be633b911bde6d06373b2d622002c00332f453866.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2872 = "Magallanes Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2062 = "North Korea Standard Time" windefender.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 Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 5000 powershell.exe 5000 powershell.exe 8 41c1226b4f3a772fd5f9f30be633b911bde6d06373b2d622002c00332f453866.exe 8 41c1226b4f3a772fd5f9f30be633b911bde6d06373b2d622002c00332f453866.exe 4428 powershell.exe 4428 powershell.exe 3036 41c1226b4f3a772fd5f9f30be633b911bde6d06373b2d622002c00332f453866.exe 3036 41c1226b4f3a772fd5f9f30be633b911bde6d06373b2d622002c00332f453866.exe 3036 41c1226b4f3a772fd5f9f30be633b911bde6d06373b2d622002c00332f453866.exe 3036 41c1226b4f3a772fd5f9f30be633b911bde6d06373b2d622002c00332f453866.exe 3036 41c1226b4f3a772fd5f9f30be633b911bde6d06373b2d622002c00332f453866.exe 3036 41c1226b4f3a772fd5f9f30be633b911bde6d06373b2d622002c00332f453866.exe 3036 41c1226b4f3a772fd5f9f30be633b911bde6d06373b2d622002c00332f453866.exe 3036 41c1226b4f3a772fd5f9f30be633b911bde6d06373b2d622002c00332f453866.exe 3036 41c1226b4f3a772fd5f9f30be633b911bde6d06373b2d622002c00332f453866.exe 3036 41c1226b4f3a772fd5f9f30be633b911bde6d06373b2d622002c00332f453866.exe 2624 powershell.exe 2624 powershell.exe 3684 powershell.exe 3684 powershell.exe 2068 powershell.exe 2068 powershell.exe 4084 powershell.exe 4084 powershell.exe 2756 powershell.exe 2756 powershell.exe 2484 injector.exe 2484 injector.exe 2484 injector.exe 2484 injector.exe 2484 injector.exe 2484 injector.exe 2100 csrss.exe 2100 csrss.exe 2484 injector.exe 2484 injector.exe 2484 injector.exe 2484 injector.exe 2484 injector.exe 2484 injector.exe 2100 csrss.exe 2100 csrss.exe 2484 injector.exe 2484 injector.exe 2484 injector.exe 2484 injector.exe 2484 injector.exe 2484 injector.exe 2484 injector.exe 2484 injector.exe 2484 injector.exe 2484 injector.exe 2100 csrss.exe 2100 csrss.exe 2484 injector.exe 2484 injector.exe 2484 injector.exe 2484 injector.exe 2484 injector.exe 2484 injector.exe 2484 injector.exe 2484 injector.exe 2484 injector.exe 2484 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 5000 powershell.exe Token: SeDebugPrivilege 8 41c1226b4f3a772fd5f9f30be633b911bde6d06373b2d622002c00332f453866.exe Token: SeImpersonatePrivilege 8 41c1226b4f3a772fd5f9f30be633b911bde6d06373b2d622002c00332f453866.exe Token: SeDebugPrivilege 4428 powershell.exe Token: SeDebugPrivilege 2624 powershell.exe Token: SeDebugPrivilege 3684 powershell.exe Token: SeDebugPrivilege 2068 powershell.exe Token: SeDebugPrivilege 4084 powershell.exe Token: SeDebugPrivilege 2756 powershell.exe Token: SeSystemEnvironmentPrivilege 2100 csrss.exe Token: SeSecurityPrivilege 2624 sc.exe Token: SeSecurityPrivilege 2624 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 8 wrote to memory of 5000 8 41c1226b4f3a772fd5f9f30be633b911bde6d06373b2d622002c00332f453866.exe 82 PID 8 wrote to memory of 5000 8 41c1226b4f3a772fd5f9f30be633b911bde6d06373b2d622002c00332f453866.exe 82 PID 8 wrote to memory of 5000 8 41c1226b4f3a772fd5f9f30be633b911bde6d06373b2d622002c00332f453866.exe 82 PID 3036 wrote to memory of 4428 3036 41c1226b4f3a772fd5f9f30be633b911bde6d06373b2d622002c00332f453866.exe 91 PID 3036 wrote to memory of 4428 3036 41c1226b4f3a772fd5f9f30be633b911bde6d06373b2d622002c00332f453866.exe 91 PID 3036 wrote to memory of 4428 3036 41c1226b4f3a772fd5f9f30be633b911bde6d06373b2d622002c00332f453866.exe 91 PID 3036 wrote to memory of 1516 3036 41c1226b4f3a772fd5f9f30be633b911bde6d06373b2d622002c00332f453866.exe 93 PID 3036 wrote to memory of 1516 3036 41c1226b4f3a772fd5f9f30be633b911bde6d06373b2d622002c00332f453866.exe 93 PID 1516 wrote to memory of 2060 1516 cmd.exe 95 PID 1516 wrote to memory of 2060 1516 cmd.exe 95 PID 3036 wrote to memory of 2624 3036 41c1226b4f3a772fd5f9f30be633b911bde6d06373b2d622002c00332f453866.exe 120 PID 3036 wrote to memory of 2624 3036 41c1226b4f3a772fd5f9f30be633b911bde6d06373b2d622002c00332f453866.exe 120 PID 3036 wrote to memory of 2624 3036 41c1226b4f3a772fd5f9f30be633b911bde6d06373b2d622002c00332f453866.exe 120 PID 3036 wrote to memory of 3684 3036 41c1226b4f3a772fd5f9f30be633b911bde6d06373b2d622002c00332f453866.exe 98 PID 3036 wrote to memory of 3684 3036 41c1226b4f3a772fd5f9f30be633b911bde6d06373b2d622002c00332f453866.exe 98 PID 3036 wrote to memory of 3684 3036 41c1226b4f3a772fd5f9f30be633b911bde6d06373b2d622002c00332f453866.exe 98 PID 3036 wrote to memory of 2100 3036 41c1226b4f3a772fd5f9f30be633b911bde6d06373b2d622002c00332f453866.exe 100 PID 3036 wrote to memory of 2100 3036 41c1226b4f3a772fd5f9f30be633b911bde6d06373b2d622002c00332f453866.exe 100 PID 3036 wrote to memory of 2100 3036 41c1226b4f3a772fd5f9f30be633b911bde6d06373b2d622002c00332f453866.exe 100 PID 2100 wrote to memory of 2068 2100 csrss.exe 103 PID 2100 wrote to memory of 2068 2100 csrss.exe 103 PID 2100 wrote to memory of 2068 2100 csrss.exe 103 PID 2100 wrote to memory of 4084 2100 csrss.exe 109 PID 2100 wrote to memory of 4084 2100 csrss.exe 109 PID 2100 wrote to memory of 4084 2100 csrss.exe 109 PID 2100 wrote to memory of 2756 2100 csrss.exe 111 PID 2100 wrote to memory of 2756 2100 csrss.exe 111 PID 2100 wrote to memory of 2756 2100 csrss.exe 111 PID 2100 wrote to memory of 2484 2100 csrss.exe 113 PID 2100 wrote to memory of 2484 2100 csrss.exe 113 PID 1968 wrote to memory of 2416 1968 windefender.exe 119 PID 1968 wrote to memory of 2416 1968 windefender.exe 119 PID 1968 wrote to memory of 2416 1968 windefender.exe 119 PID 2416 wrote to memory of 2624 2416 cmd.exe 120 PID 2416 wrote to memory of 2624 2416 cmd.exe 120 PID 2416 wrote to memory of 2624 2416 cmd.exe 120 -
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:8 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5000
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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:3036 -
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:4428
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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:1516 -
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:2060
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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:2624
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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:3684
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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:2100 -
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:2068
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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:4548
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2848
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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:4084
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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:2756
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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:2484
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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:2676
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1968 -
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:2416 -
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:2624
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3036 -s 6283⤵
- Program crash
PID:4656
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 8 -s 9882⤵
- Program crash
PID:4664
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 8 -ip 81⤵PID:3204
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 3036 -ip 30361⤵PID:3672
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4764
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
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD585e62445d9d3467b6cb49afc22a13238
SHA1e633c2745d957a690865a0774c50b7ab219403c1
SHA256aa32fc02f4f1b2d947b48cc8e75c410c3d141fc2f88b02263f0a85485816025e
SHA5127a55e6f2f178955b3dccbed7fa75a77719e98585e5ccfc03aa929c6e07fe275887ebc6fab719df7306fc78828e4c0f2401ec359b5d0fd6685ff4e4bd71cb4e74
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD561d73c148f8ac64171e196c7e14aaedf
SHA13496f34ff4eb88dd05ee2c589de73c1cc668ee15
SHA2564dbc89fb0eb86ca9d9e712fb633f404a135dd423be5ad775579a5e064b222f9c
SHA51241e6748c08e346222e9582a691b1cd0d97c88320e15cba0d311ad788fbcc8df791aaf49a9bd2367ffa94b0fb4fae724003c008470879b804533ba276a3a2cec6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD587d5d743c2f030b88bc65817c06c5e82
SHA146f8d87ff81ae03869370d788afe2ebc1078f470
SHA2563d50843651eba1b86976d75ba1b81910bfce4b73d477c76a222f4c9934580bf0
SHA512428a2d572f4b9ef57337c3475aeaa2d5387f8b271006d5b8195ce53f3043b9a2b0660f632e6b219581ac25c911c79d87b0167c9997ba8d1bae732a2cd558d621
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50946e8dd61c998cdbdd718fc1a8ebe84
SHA173b44b3b63608e70fc8c9a9f6dda5f473acb8c5c
SHA256f1811c5751f0a671440cc70227f712c43e7a18300c7840f76715453a7a3eef6b
SHA5120bc1f6ef39c63fe2fb2925f68a463bb3f925b6cb57224ff7fb55ae9700ea6c354315a2cd0db27bcb7f029acb573363a2017271cbb9e64760fe586ef12dc1d179
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58c736239cf62e0b3c6295a6cbbd1442f
SHA19fb85cf836558e71c7eb53d5fd3256c5ba3d94c1
SHA2563c7babc98421231aadaedcc311581f68855ec4da074fc5fc50b51fa2ad93c953
SHA512ad85ff4f9a5c20c954862ff569707092a5d3b240410a893cae0e8520ebb1d5622f65fbd338852a10b1a88de58eb5e15dfef7d59d21d8a355f95c04a2324633d7
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Filesize
4.2MB
MD589e9fa5807537d62539534aa9c0b543a
SHA12306cfc6d0f63272355f488cb5ee168d73396114
SHA25641c1226b4f3a772fd5f9f30be633b911bde6d06373b2d622002c00332f453866
SHA51235879ccc0a7f83b03aa9dccc2387a0fe4782f660b97f2bbd25d5228922d80986a5f3fc2f40c0be9ccd043d07f08668f88dfdc4c5dbd7f6c3eb934bc2535beaff
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec