Analysis
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max time kernel
149s -
max time network
147s -
platform
windows11-21h2_x64 -
resource
win11-20240221-en -
resource tags
arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system -
submitted
08/04/2024, 10:13
Static task
static1
Behavioral task
behavioral1
Sample
7a2bdad6ad8eb23f66ed5494dc1bc471ed6c1c8c8c9d39e6d5b1446704454408.exe
Resource
win10v2004-20240226-en
General
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Target
7a2bdad6ad8eb23f66ed5494dc1bc471ed6c1c8c8c9d39e6d5b1446704454408.exe
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Size
4.2MB
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MD5
2faa28f16a928db66b29c3140e8f22c1
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SHA1
e9a88006af7cd499f3085d22194e4ce7fecdf318
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SHA256
7a2bdad6ad8eb23f66ed5494dc1bc471ed6c1c8c8c9d39e6d5b1446704454408
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SHA512
8d9a4fcd2c76e6b6b6a2b05303f5de7568e3bb3cebde8aab6cfc84a67f8a81de8b734f9626c3c60195353dd92489fc7d7dd0474f1cd1631856d06e51866854b7
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SSDEEP
98304:/l9W08YtDjWV+0XViQwsO3M4qhOaONscG:PW088DjWwSxO39S
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral2/memory/3116-2-0x0000000002E30000-0x000000000371B000-memory.dmp family_glupteba behavioral2/memory/3116-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3160-53-0x0000000002E30000-0x000000000371B000-memory.dmp family_glupteba behavioral2/memory/3160-54-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3116-68-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3160-137-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3160-145-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/480-237-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/480-247-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/480-252-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/480-256-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/480-260-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/480-264-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/480-266-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/480-272-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/480-276-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/480-280-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/480-284-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/480-288-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/480-292-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1104 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 480 csrss.exe 4872 injector.exe 236 windefender.exe 1468 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a785-241.dat upx behavioral2/memory/236-246-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1468-250-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1468-258-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2930051783-2551506282-3430162621-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 7a2bdad6ad8eb23f66ed5494dc1bc471ed6c1c8c8c9d39e6d5b1446704454408.exe Set value (str) \REGISTRY\USER\S-1-5-21-2930051783-2551506282-3430162621-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 7a2bdad6ad8eb23f66ed5494dc1bc471ed6c1c8c8c9d39e6d5b1446704454408.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 7a2bdad6ad8eb23f66ed5494dc1bc471ed6c1c8c8c9d39e6d5b1446704454408.exe File created C:\Windows\rss\csrss.exe 7a2bdad6ad8eb23f66ed5494dc1bc471ed6c1c8c8c9d39e6d5b1446704454408.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 2364 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 4024 schtasks.exe 4748 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" 7a2bdad6ad8eb23f66ed5494dc1bc471ed6c1c8c8c9d39e6d5b1446704454408.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2531 = "Chatham Islands Daylight Time" 7a2bdad6ad8eb23f66ed5494dc1bc471ed6c1c8c8c9d39e6d5b1446704454408.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time" 7a2bdad6ad8eb23f66ed5494dc1bc471ed6c1c8c8c9d39e6d5b1446704454408.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs 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\22\52C64B7E\@tzres.dll,-362 = "GTB Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" 7a2bdad6ad8eb23f66ed5494dc1bc471ed6c1c8c8c9d39e6d5b1446704454408.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1842 = "Russia TZ 4 Standard Time" 7a2bdad6ad8eb23f66ed5494dc1bc471ed6c1c8c8c9d39e6d5b1446704454408.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\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\22\52C64B7E\@tzres.dll,-441 = "Arabian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-92 = "Pacific SA Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" 7a2bdad6ad8eb23f66ed5494dc1bc471ed6c1c8c8c9d39e6d5b1446704454408.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time" 7a2bdad6ad8eb23f66ed5494dc1bc471ed6c1c8c8c9d39e6d5b1446704454408.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time" 7a2bdad6ad8eb23f66ed5494dc1bc471ed6c1c8c8c9d39e6d5b1446704454408.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\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\22\52C64B7E\@tzres.dll,-722 = "Central Pacific Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time" 7a2bdad6ad8eb23f66ed5494dc1bc471ed6c1c8c8c9d39e6d5b1446704454408.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" 7a2bdad6ad8eb23f66ed5494dc1bc471ed6c1c8c8c9d39e6d5b1446704454408.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" 7a2bdad6ad8eb23f66ed5494dc1bc471ed6c1c8c8c9d39e6d5b1446704454408.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time" 7a2bdad6ad8eb23f66ed5494dc1bc471ed6c1c8c8c9d39e6d5b1446704454408.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-12 = "Azores Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-622 = "Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2872 = "Magallanes Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-221 = "Alaskan Daylight Time" 7a2bdad6ad8eb23f66ed5494dc1bc471ed6c1c8c8c9d39e6d5b1446704454408.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)" 7a2bdad6ad8eb23f66ed5494dc1bc471ed6c1c8c8c9d39e6d5b1446704454408.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-402 = "Arabic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-161 = "Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time" 7a2bdad6ad8eb23f66ed5494dc1bc471ed6c1c8c8c9d39e6d5b1446704454408.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time" 7a2bdad6ad8eb23f66ed5494dc1bc471ed6c1c8c8c9d39e6d5b1446704454408.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" 7a2bdad6ad8eb23f66ed5494dc1bc471ed6c1c8c8c9d39e6d5b1446704454408.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-461 = "Afghanistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-52 = "Greenland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1412 = "Syria Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-831 = "SA Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" 7a2bdad6ad8eb23f66ed5494dc1bc471ed6c1c8c8c9d39e6d5b1446704454408.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time" 7a2bdad6ad8eb23f66ed5494dc1bc471ed6c1c8c8c9d39e6d5b1446704454408.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time" 7a2bdad6ad8eb23f66ed5494dc1bc471ed6c1c8c8c9d39e6d5b1446704454408.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-11 = "Azores Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-341 = "Egypt Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4324 powershell.exe 4324 powershell.exe 3116 7a2bdad6ad8eb23f66ed5494dc1bc471ed6c1c8c8c9d39e6d5b1446704454408.exe 3116 7a2bdad6ad8eb23f66ed5494dc1bc471ed6c1c8c8c9d39e6d5b1446704454408.exe 2476 powershell.exe 2476 powershell.exe 3160 7a2bdad6ad8eb23f66ed5494dc1bc471ed6c1c8c8c9d39e6d5b1446704454408.exe 3160 7a2bdad6ad8eb23f66ed5494dc1bc471ed6c1c8c8c9d39e6d5b1446704454408.exe 3160 7a2bdad6ad8eb23f66ed5494dc1bc471ed6c1c8c8c9d39e6d5b1446704454408.exe 3160 7a2bdad6ad8eb23f66ed5494dc1bc471ed6c1c8c8c9d39e6d5b1446704454408.exe 3160 7a2bdad6ad8eb23f66ed5494dc1bc471ed6c1c8c8c9d39e6d5b1446704454408.exe 3160 7a2bdad6ad8eb23f66ed5494dc1bc471ed6c1c8c8c9d39e6d5b1446704454408.exe 3160 7a2bdad6ad8eb23f66ed5494dc1bc471ed6c1c8c8c9d39e6d5b1446704454408.exe 3160 7a2bdad6ad8eb23f66ed5494dc1bc471ed6c1c8c8c9d39e6d5b1446704454408.exe 3160 7a2bdad6ad8eb23f66ed5494dc1bc471ed6c1c8c8c9d39e6d5b1446704454408.exe 3160 7a2bdad6ad8eb23f66ed5494dc1bc471ed6c1c8c8c9d39e6d5b1446704454408.exe 244 powershell.exe 244 powershell.exe 1744 powershell.exe 1744 powershell.exe 1548 powershell.exe 1548 powershell.exe 3168 powershell.exe 3168 powershell.exe 1568 powershell.exe 1568 powershell.exe 4872 injector.exe 4872 injector.exe 4872 injector.exe 4872 injector.exe 4872 injector.exe 4872 injector.exe 480 csrss.exe 480 csrss.exe 4872 injector.exe 4872 injector.exe 4872 injector.exe 4872 injector.exe 4872 injector.exe 4872 injector.exe 480 csrss.exe 480 csrss.exe 4872 injector.exe 4872 injector.exe 4872 injector.exe 4872 injector.exe 480 csrss.exe 480 csrss.exe 4872 injector.exe 4872 injector.exe 4872 injector.exe 4872 injector.exe 4872 injector.exe 4872 injector.exe 4872 injector.exe 4872 injector.exe 4872 injector.exe 4872 injector.exe 4872 injector.exe 4872 injector.exe 4872 injector.exe 4872 injector.exe 4872 injector.exe 4872 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4324 powershell.exe Token: SeDebugPrivilege 3116 7a2bdad6ad8eb23f66ed5494dc1bc471ed6c1c8c8c9d39e6d5b1446704454408.exe Token: SeImpersonatePrivilege 3116 7a2bdad6ad8eb23f66ed5494dc1bc471ed6c1c8c8c9d39e6d5b1446704454408.exe Token: SeDebugPrivilege 2476 powershell.exe Token: SeDebugPrivilege 244 powershell.exe Token: SeDebugPrivilege 1744 powershell.exe Token: SeDebugPrivilege 1548 powershell.exe Token: SeDebugPrivilege 3168 powershell.exe Token: SeDebugPrivilege 1568 powershell.exe Token: SeSystemEnvironmentPrivilege 480 csrss.exe Token: SeSecurityPrivilege 2364 sc.exe Token: SeSecurityPrivilege 2364 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3116 wrote to memory of 4324 3116 7a2bdad6ad8eb23f66ed5494dc1bc471ed6c1c8c8c9d39e6d5b1446704454408.exe 79 PID 3116 wrote to memory of 4324 3116 7a2bdad6ad8eb23f66ed5494dc1bc471ed6c1c8c8c9d39e6d5b1446704454408.exe 79 PID 3116 wrote to memory of 4324 3116 7a2bdad6ad8eb23f66ed5494dc1bc471ed6c1c8c8c9d39e6d5b1446704454408.exe 79 PID 3160 wrote to memory of 2476 3160 7a2bdad6ad8eb23f66ed5494dc1bc471ed6c1c8c8c9d39e6d5b1446704454408.exe 84 PID 3160 wrote to memory of 2476 3160 7a2bdad6ad8eb23f66ed5494dc1bc471ed6c1c8c8c9d39e6d5b1446704454408.exe 84 PID 3160 wrote to memory of 2476 3160 7a2bdad6ad8eb23f66ed5494dc1bc471ed6c1c8c8c9d39e6d5b1446704454408.exe 84 PID 3160 wrote to memory of 2700 3160 7a2bdad6ad8eb23f66ed5494dc1bc471ed6c1c8c8c9d39e6d5b1446704454408.exe 86 PID 3160 wrote to memory of 2700 3160 7a2bdad6ad8eb23f66ed5494dc1bc471ed6c1c8c8c9d39e6d5b1446704454408.exe 86 PID 2700 wrote to memory of 1104 2700 cmd.exe 88 PID 2700 wrote to memory of 1104 2700 cmd.exe 88 PID 3160 wrote to memory of 244 3160 7a2bdad6ad8eb23f66ed5494dc1bc471ed6c1c8c8c9d39e6d5b1446704454408.exe 89 PID 3160 wrote to memory of 244 3160 7a2bdad6ad8eb23f66ed5494dc1bc471ed6c1c8c8c9d39e6d5b1446704454408.exe 89 PID 3160 wrote to memory of 244 3160 7a2bdad6ad8eb23f66ed5494dc1bc471ed6c1c8c8c9d39e6d5b1446704454408.exe 89 PID 3160 wrote to memory of 1744 3160 7a2bdad6ad8eb23f66ed5494dc1bc471ed6c1c8c8c9d39e6d5b1446704454408.exe 91 PID 3160 wrote to memory of 1744 3160 7a2bdad6ad8eb23f66ed5494dc1bc471ed6c1c8c8c9d39e6d5b1446704454408.exe 91 PID 3160 wrote to memory of 1744 3160 7a2bdad6ad8eb23f66ed5494dc1bc471ed6c1c8c8c9d39e6d5b1446704454408.exe 91 PID 3160 wrote to memory of 480 3160 7a2bdad6ad8eb23f66ed5494dc1bc471ed6c1c8c8c9d39e6d5b1446704454408.exe 93 PID 3160 wrote to memory of 480 3160 7a2bdad6ad8eb23f66ed5494dc1bc471ed6c1c8c8c9d39e6d5b1446704454408.exe 93 PID 3160 wrote to memory of 480 3160 7a2bdad6ad8eb23f66ed5494dc1bc471ed6c1c8c8c9d39e6d5b1446704454408.exe 93 PID 480 wrote to memory of 1548 480 csrss.exe 94 PID 480 wrote to memory of 1548 480 csrss.exe 94 PID 480 wrote to memory of 1548 480 csrss.exe 94 PID 480 wrote to memory of 3168 480 csrss.exe 100 PID 480 wrote to memory of 3168 480 csrss.exe 100 PID 480 wrote to memory of 3168 480 csrss.exe 100 PID 480 wrote to memory of 1568 480 csrss.exe 102 PID 480 wrote to memory of 1568 480 csrss.exe 102 PID 480 wrote to memory of 1568 480 csrss.exe 102 PID 480 wrote to memory of 4872 480 csrss.exe 104 PID 480 wrote to memory of 4872 480 csrss.exe 104 PID 236 wrote to memory of 4736 236 windefender.exe 110 PID 236 wrote to memory of 4736 236 windefender.exe 110 PID 236 wrote to memory of 4736 236 windefender.exe 110 PID 4736 wrote to memory of 2364 4736 cmd.exe 111 PID 4736 wrote to memory of 2364 4736 cmd.exe 111 PID 4736 wrote to memory of 2364 4736 cmd.exe 111 -
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\7a2bdad6ad8eb23f66ed5494dc1bc471ed6c1c8c8c9d39e6d5b1446704454408.exe"C:\Users\Admin\AppData\Local\Temp\7a2bdad6ad8eb23f66ed5494dc1bc471ed6c1c8c8c9d39e6d5b1446704454408.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3116 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4324
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C:\Users\Admin\AppData\Local\Temp\7a2bdad6ad8eb23f66ed5494dc1bc471ed6c1c8c8c9d39e6d5b1446704454408.exe"C:\Users\Admin\AppData\Local\Temp\7a2bdad6ad8eb23f66ed5494dc1bc471ed6c1c8c8c9d39e6d5b1446704454408.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:3160 -
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:2476
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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:2700 -
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:1104
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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:244
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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:1744
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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:480 -
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:1548
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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:4748
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4760
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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:3168
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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:1568
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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:4872
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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:4024
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:236 -
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:4736 -
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:2364
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1468
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD576d2470e59b04a2d3004cf84e1dacbb5
SHA162add69bc53fcfcc6c6cb61134c5d2adf456fa14
SHA256cf5fdec73b4e4400c07e29f98f98fd6ad1585860961d93d5cc0ec2f013356983
SHA5122ce7dad7ec8d14eb672f282a1e3264f406969203ee0ac4128919e1406563ec09bde0929eafaab55ef72c11aa08b669b9c3d8ac304a52665d6b751461fce471ec
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58d8c38ef6e92656a23d2ed50f732d6c1
SHA103562e7a9c156d6229fd5685279d56652d0c4723
SHA256141ec3599d61b67de620174530f1d3a12828c0e3579a4f28dc299dc0c59f52a3
SHA512236e8ccbb4666838e9c5de3191fdb18c5599fbcf34faf50f05eb0d1a80ac02e3534d757f23c4eaab6fd86d39f094d9b9bc3f289a9cf845f3a5b4f1283f7834b0
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5de94f34c8d80f1a6cebedfd373f52bf5
SHA1e5ec1d3fef719132cc2d1459ca9c0df648d1a946
SHA25657901cbbcd4eab0c4c195e03e4773a5d538d4fcb1c0036864c73dccd5a70e16c
SHA5124124de21a8affe80b85f94b2c070f81e4aacd17d5e2ca90b07827ac41f8ec9626ff1eeb5be88f9f51f2f9baaf4f73076858b9a79d324070f236919856076912c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5bba740c4288460aeb39498fa2a39938a
SHA145a3680caebde153552bea66230e3fbf9ee739dd
SHA256a685538a1ca0c254cb0923b62eadfcd707a74079285d35741ae9e3c4aed1130f
SHA512a64b85ff9596fb273d40f3fd0554e26e1665a23fb5569e7f95d0955f052dfeccdb873edb3e872da1b0a75ffb6fdc9b54ab8169dd442eb2ee545466dae65686df
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59ed19f8ae23acbe81078d38a9ec20b88
SHA16cfea2786a35ce25e5761704e3f1b18b6d4fa799
SHA2566d4a73b705f996fddf3ec0597d0b391dc703df70afa50fbca5536174d810fc20
SHA5120899094308db1a9065c652a89e14dafed7fe317c54691a27d3300499163c1839ac6c41a09557b4330e07e793cc7d28d020766b794a71f81ed92dc22a0dda3c1e
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Filesize
4.2MB
MD52faa28f16a928db66b29c3140e8f22c1
SHA1e9a88006af7cd499f3085d22194e4ce7fecdf318
SHA2567a2bdad6ad8eb23f66ed5494dc1bc471ed6c1c8c8c9d39e6d5b1446704454408
SHA5128d9a4fcd2c76e6b6b6a2b05303f5de7568e3bb3cebde8aab6cfc84a67f8a81de8b734f9626c3c60195353dd92489fc7d7dd0474f1cd1631856d06e51866854b7
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec