Analysis
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max time kernel
149s -
max time network
141s -
platform
windows10-2004_x64 -
resource
win10v2004-20240419-en -
resource tags
arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system -
submitted
01-05-2024 16:29
Static task
static1
Behavioral task
behavioral1
Sample
17d50afa15010ac32d812c5dcf92ecc7ea092b211dbaf615cff598b23443d3fe.exe
Resource
win10v2004-20240419-en
General
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Target
17d50afa15010ac32d812c5dcf92ecc7ea092b211dbaf615cff598b23443d3fe.exe
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Size
4.2MB
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MD5
bcd023b39f1143fb8a92f7c3f8ef9d35
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SHA1
1bebb58a15d5ce9290a29c58a179439649bf582b
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SHA256
17d50afa15010ac32d812c5dcf92ecc7ea092b211dbaf615cff598b23443d3fe
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SHA512
4801b6c94b106afe728ba76b3cc049d03a6a269efb8a88c8b848a8309cb269ccd974057c9d0a95fb3f337a72fd2908ab0c0b49d17741ad4a69b130dbe1512003
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SSDEEP
98304:l/JQ0p3x8E8SPoR4RNZx2D64gtjtYEI4STUr/55MSjo:l/JQ0pqEXPoR4RvU1gjYEIpeBOd
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/3096-2-0x00000000050B0000-0x000000000599B000-memory.dmp family_glupteba behavioral1/memory/3096-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3096-4-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral1/memory/3096-57-0x00000000050B0000-0x000000000599B000-memory.dmp family_glupteba behavioral1/memory/3096-58-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3096-55-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral1/memory/2520-86-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral1/memory/2520-138-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral1/memory/2480-164-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral1/memory/2480-200-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral1/memory/2480-210-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral1/memory/2480-213-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral1/memory/2480-216-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral1/memory/2480-219-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral1/memory/2480-221-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral1/memory/2480-225-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral1/memory/2480-228-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral1/memory/2480-231-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral1/memory/2480-233-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4076 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2480 csrss.exe 4868 injector.exe 4760 windefender.exe 3660 windefender.exe -
resource yara_rule behavioral1/files/0x000b000000023bc9-204.dat upx behavioral1/memory/4760-205-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4760-209-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3660-212-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3660-218-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2860750803-256193626-1801997576-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 17d50afa15010ac32d812c5dcf92ecc7ea092b211dbaf615cff598b23443d3fe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2860750803-256193626-1801997576-1000\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 6 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 -
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 17d50afa15010ac32d812c5dcf92ecc7ea092b211dbaf615cff598b23443d3fe.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 17d50afa15010ac32d812c5dcf92ecc7ea092b211dbaf615cff598b23443d3fe.exe File created C:\Windows\rss\csrss.exe 17d50afa15010ac32d812c5dcf92ecc7ea092b211dbaf615cff598b23443d3fe.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 2008 sc.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 4280 schtasks.exe 4856 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.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\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time" 17d50afa15010ac32d812c5dcf92ecc7ea092b211dbaf615cff598b23443d3fe.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" 17d50afa15010ac32d812c5dcf92ecc7ea092b211dbaf615cff598b23443d3fe.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-52 = "Greenland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1872 = "Russia TZ 7 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3051 = "Qyzylorda Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" 17d50afa15010ac32d812c5dcf92ecc7ea092b211dbaf615cff598b23443d3fe.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" 17d50afa15010ac32d812c5dcf92ecc7ea092b211dbaf615cff598b23443d3fe.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" 17d50afa15010ac32d812c5dcf92ecc7ea092b211dbaf615cff598b23443d3fe.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time" 17d50afa15010ac32d812c5dcf92ecc7ea092b211dbaf615cff598b23443d3fe.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" 17d50afa15010ac32d812c5dcf92ecc7ea092b211dbaf615cff598b23443d3fe.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" 17d50afa15010ac32d812c5dcf92ecc7ea092b211dbaf615cff598b23443d3fe.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-871 = "Pakistan Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot 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\2a\52C64B7E\@tzres.dll,-172 = "Central Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-491 = "India Daylight Time" windefender.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,-111 = "Eastern Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs 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\2a\52C64B7E\@tzres.dll,-462 = "Afghanistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2431 = "Cuba Daylight 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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1842 = "Russia TZ 4 Standard Time" 17d50afa15010ac32d812c5dcf92ecc7ea092b211dbaf615cff598b23443d3fe.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time" 17d50afa15010ac32d812c5dcf92ecc7ea092b211dbaf615cff598b23443d3fe.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" 17d50afa15010ac32d812c5dcf92ecc7ea092b211dbaf615cff598b23443d3fe.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs 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,-672 = "AUS Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2772 = "Omsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2451 = "Saint Pierre Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" 17d50afa15010ac32d812c5dcf92ecc7ea092b211dbaf615cff598b23443d3fe.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time" 17d50afa15010ac32d812c5dcf92ecc7ea092b211dbaf615cff598b23443d3fe.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" 17d50afa15010ac32d812c5dcf92ecc7ea092b211dbaf615cff598b23443d3fe.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1912 = "Russia TZ 10 Standard Time" 17d50afa15010ac32d812c5dcf92ecc7ea092b211dbaf615cff598b23443d3fe.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2631 = "Norfolk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-692 = "Tasmania Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time" 17d50afa15010ac32d812c5dcf92ecc7ea092b211dbaf615cff598b23443d3fe.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time" 17d50afa15010ac32d812c5dcf92ecc7ea092b211dbaf615cff598b23443d3fe.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-281 = "Central Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-682 = "E. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1801 = "Line Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2942 = "Sao Tome Standard Time" windefender.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" 17d50afa15010ac32d812c5dcf92ecc7ea092b211dbaf615cff598b23443d3fe.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-461 = "Afghanistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-201 = "US Mountain Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-402 = "Arabic Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3892 powershell.exe 3892 powershell.exe 3096 17d50afa15010ac32d812c5dcf92ecc7ea092b211dbaf615cff598b23443d3fe.exe 3096 17d50afa15010ac32d812c5dcf92ecc7ea092b211dbaf615cff598b23443d3fe.exe 4088 powershell.exe 4088 powershell.exe 2520 17d50afa15010ac32d812c5dcf92ecc7ea092b211dbaf615cff598b23443d3fe.exe 2520 17d50afa15010ac32d812c5dcf92ecc7ea092b211dbaf615cff598b23443d3fe.exe 2520 17d50afa15010ac32d812c5dcf92ecc7ea092b211dbaf615cff598b23443d3fe.exe 2520 17d50afa15010ac32d812c5dcf92ecc7ea092b211dbaf615cff598b23443d3fe.exe 2520 17d50afa15010ac32d812c5dcf92ecc7ea092b211dbaf615cff598b23443d3fe.exe 2520 17d50afa15010ac32d812c5dcf92ecc7ea092b211dbaf615cff598b23443d3fe.exe 2520 17d50afa15010ac32d812c5dcf92ecc7ea092b211dbaf615cff598b23443d3fe.exe 2520 17d50afa15010ac32d812c5dcf92ecc7ea092b211dbaf615cff598b23443d3fe.exe 2520 17d50afa15010ac32d812c5dcf92ecc7ea092b211dbaf615cff598b23443d3fe.exe 2520 17d50afa15010ac32d812c5dcf92ecc7ea092b211dbaf615cff598b23443d3fe.exe 2264 powershell.exe 2264 powershell.exe 2072 powershell.exe 2072 powershell.exe 1224 powershell.exe 1224 powershell.exe 4504 powershell.exe 4504 powershell.exe 4868 injector.exe 4868 injector.exe 4868 injector.exe 4868 injector.exe 4868 injector.exe 4868 injector.exe 4868 injector.exe 2480 csrss.exe 2480 csrss.exe 4868 injector.exe 4868 injector.exe 4868 injector.exe 4868 injector.exe 4868 injector.exe 2480 csrss.exe 2480 csrss.exe 4868 injector.exe 4868 injector.exe 2480 csrss.exe 2480 csrss.exe 4868 injector.exe 4868 injector.exe 4868 injector.exe 4868 injector.exe 4868 injector.exe 4868 injector.exe 4868 injector.exe 4868 injector.exe 4868 injector.exe 4868 injector.exe 4868 injector.exe 4868 injector.exe 4868 injector.exe 4868 injector.exe 4868 injector.exe 4868 injector.exe 4868 injector.exe 4868 injector.exe 4868 injector.exe 4868 injector.exe -
Suspicious use of AdjustPrivilegeToken 11 IoCs
description pid Process Token: SeDebugPrivilege 3892 powershell.exe Token: SeDebugPrivilege 3096 17d50afa15010ac32d812c5dcf92ecc7ea092b211dbaf615cff598b23443d3fe.exe Token: SeImpersonatePrivilege 3096 17d50afa15010ac32d812c5dcf92ecc7ea092b211dbaf615cff598b23443d3fe.exe Token: SeDebugPrivilege 4088 powershell.exe Token: SeDebugPrivilege 2264 powershell.exe Token: SeDebugPrivilege 2072 powershell.exe Token: SeDebugPrivilege 1224 powershell.exe Token: SeDebugPrivilege 4504 powershell.exe Token: SeSystemEnvironmentPrivilege 2480 csrss.exe Token: SeSecurityPrivilege 2008 sc.exe Token: SeSecurityPrivilege 2008 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3096 wrote to memory of 3892 3096 17d50afa15010ac32d812c5dcf92ecc7ea092b211dbaf615cff598b23443d3fe.exe 97 PID 3096 wrote to memory of 3892 3096 17d50afa15010ac32d812c5dcf92ecc7ea092b211dbaf615cff598b23443d3fe.exe 97 PID 3096 wrote to memory of 3892 3096 17d50afa15010ac32d812c5dcf92ecc7ea092b211dbaf615cff598b23443d3fe.exe 97 PID 2520 wrote to memory of 4088 2520 17d50afa15010ac32d812c5dcf92ecc7ea092b211dbaf615cff598b23443d3fe.exe 102 PID 2520 wrote to memory of 4088 2520 17d50afa15010ac32d812c5dcf92ecc7ea092b211dbaf615cff598b23443d3fe.exe 102 PID 2520 wrote to memory of 4088 2520 17d50afa15010ac32d812c5dcf92ecc7ea092b211dbaf615cff598b23443d3fe.exe 102 PID 2520 wrote to memory of 3760 2520 17d50afa15010ac32d812c5dcf92ecc7ea092b211dbaf615cff598b23443d3fe.exe 104 PID 2520 wrote to memory of 3760 2520 17d50afa15010ac32d812c5dcf92ecc7ea092b211dbaf615cff598b23443d3fe.exe 104 PID 3760 wrote to memory of 4076 3760 cmd.exe 106 PID 3760 wrote to memory of 4076 3760 cmd.exe 106 PID 2520 wrote to memory of 2264 2520 17d50afa15010ac32d812c5dcf92ecc7ea092b211dbaf615cff598b23443d3fe.exe 108 PID 2520 wrote to memory of 2264 2520 17d50afa15010ac32d812c5dcf92ecc7ea092b211dbaf615cff598b23443d3fe.exe 108 PID 2520 wrote to memory of 2264 2520 17d50afa15010ac32d812c5dcf92ecc7ea092b211dbaf615cff598b23443d3fe.exe 108 PID 2520 wrote to memory of 2072 2520 17d50afa15010ac32d812c5dcf92ecc7ea092b211dbaf615cff598b23443d3fe.exe 110 PID 2520 wrote to memory of 2072 2520 17d50afa15010ac32d812c5dcf92ecc7ea092b211dbaf615cff598b23443d3fe.exe 110 PID 2520 wrote to memory of 2072 2520 17d50afa15010ac32d812c5dcf92ecc7ea092b211dbaf615cff598b23443d3fe.exe 110 PID 2520 wrote to memory of 2480 2520 17d50afa15010ac32d812c5dcf92ecc7ea092b211dbaf615cff598b23443d3fe.exe 113 PID 2520 wrote to memory of 2480 2520 17d50afa15010ac32d812c5dcf92ecc7ea092b211dbaf615cff598b23443d3fe.exe 113 PID 2520 wrote to memory of 2480 2520 17d50afa15010ac32d812c5dcf92ecc7ea092b211dbaf615cff598b23443d3fe.exe 113 PID 2480 wrote to memory of 1224 2480 csrss.exe 114 PID 2480 wrote to memory of 1224 2480 csrss.exe 114 PID 2480 wrote to memory of 1224 2480 csrss.exe 114 PID 2480 wrote to memory of 4812 2480 csrss.exe 120 PID 2480 wrote to memory of 4812 2480 csrss.exe 120 PID 2480 wrote to memory of 4812 2480 csrss.exe 120 PID 2480 wrote to memory of 4504 2480 csrss.exe 122 PID 2480 wrote to memory of 4504 2480 csrss.exe 122 PID 2480 wrote to memory of 4504 2480 csrss.exe 122 PID 2480 wrote to memory of 4868 2480 csrss.exe 124 PID 2480 wrote to memory of 4868 2480 csrss.exe 124 PID 4760 wrote to memory of 2468 4760 windefender.exe 130 PID 4760 wrote to memory of 2468 4760 windefender.exe 130 PID 4760 wrote to memory of 2468 4760 windefender.exe 130 PID 2468 wrote to memory of 2008 2468 cmd.exe 131 PID 2468 wrote to memory of 2008 2468 cmd.exe 131 PID 2468 wrote to memory of 2008 2468 cmd.exe 131 -
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\17d50afa15010ac32d812c5dcf92ecc7ea092b211dbaf615cff598b23443d3fe.exe"C:\Users\Admin\AppData\Local\Temp\17d50afa15010ac32d812c5dcf92ecc7ea092b211dbaf615cff598b23443d3fe.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3096 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3892
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C:\Users\Admin\AppData\Local\Temp\17d50afa15010ac32d812c5dcf92ecc7ea092b211dbaf615cff598b23443d3fe.exe"C:\Users\Admin\AppData\Local\Temp\17d50afa15010ac32d812c5dcf92ecc7ea092b211dbaf615cff598b23443d3fe.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:2520 -
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:4088
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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:3760 -
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:4076
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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:2264
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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:2072
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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:2480 -
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:1224
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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:4280
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:116
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Modifies data under HKEY_USERS
PID:4812
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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:4504
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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:4868
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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:4856
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4760 -
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:2468 -
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:2008
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3660
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
MD59fe61b11a8dfbfbe570219438f71755d
SHA14eb4f4d975c7420988d3cbecffef5bf753282bd9
SHA2561b71a909a3cb53443c735e97545f8b7cabfd055e3e6cc350b33d534b0335842c
SHA5120c7be8dc9bde2ad3d94acb74a828e6a9ab8e70dada086baab022998dfbf6108a282c6da869cad2a7b707953a9a35bb2114e3606d481f90bfe7ba724c17e584d1
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD545713f0d67bfba3083a7026544253bfe
SHA134ee4a0d5d6e9070873906ba7d1ac2f382b829f5
SHA25697e94f3ef58fe86246fb2317590ef9961cf6565711dc7b9d177763e861f785ba
SHA51241bc2bfade2b7fe6c18b1e598a3345d030f8aa9e691a4e9d084d020ab20e00f4ddf6c3b1ba492480c83d112d91fba7ce9472c0796830a1e9cf23cd519a03f9c8
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a9279ca79778cd4e817ec355d6003b59
SHA10134d5ebbcd5992e4210d40997a6a232b2fd1b89
SHA25666b9af72d368f910f1b18c278131635c09a067a042f73341d6f70c2bc82a79f2
SHA512e083de4cdb5a6ece6e014c5fe0fe9a4921182e7d3fe30d29ab5b7541db339afdb06fb5ee7705f9ee10a96574665f90244e550c9722d8d9b4c0ab613a794eab9a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD558c4519407da51501beda4bdb89e5929
SHA12412de5fc17988e442adc7c840f203965504d1a2
SHA256d2eb2ce3572e908c759806aec6475ad7d241ed7bdb2f87b6208592ac9ea51de0
SHA512fd2ebce7cde7a9d21aa4a97b48df04cd64cc6ddb0a22f3defedaa2feabde7d1b761d5700ca79622e379967d93d114a4f1db6d6c18961a051e36d58f3f28b7f5a
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Filesize
4.2MB
MD5bcd023b39f1143fb8a92f7c3f8ef9d35
SHA11bebb58a15d5ce9290a29c58a179439649bf582b
SHA25617d50afa15010ac32d812c5dcf92ecc7ea092b211dbaf615cff598b23443d3fe
SHA5124801b6c94b106afe728ba76b3cc049d03a6a269efb8a88c8b848a8309cb269ccd974057c9d0a95fb3f337a72fd2908ab0c0b49d17741ad4a69b130dbe1512003
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec