Analysis
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max time kernel
150s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
10/04/2024, 15:08
Static task
static1
Behavioral task
behavioral1
Sample
f8d57716ad1a97cafbcd924781b289f47c783c899323bd24dc5252dbfc79a6ae.exe
Resource
win10v2004-20240226-en
General
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Target
f8d57716ad1a97cafbcd924781b289f47c783c899323bd24dc5252dbfc79a6ae.exe
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Size
4.2MB
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MD5
7605e635e82e4d994c6e845c836c52e3
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SHA1
194cb08e816d4f392588d0c22d741a73944a35d4
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SHA256
f8d57716ad1a97cafbcd924781b289f47c783c899323bd24dc5252dbfc79a6ae
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SHA512
5b49cc0f1749ff7aab20f3e2e9b6e078f394daf87b8823a4ebd00e0a2fcc5c89b5baa4baea0980253901236ab99d1a0d940316e81c71dff89eb2fb8b35e0c0b7
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SSDEEP
98304:1m6VidFkRvno8eOWHx67xiDnN0bAIMZdtiAwP30ixdPPt/j:Y2wNbHK4DamtirPEkdVj
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/1844-2-0x0000000003020000-0x000000000390B000-memory.dmp family_glupteba behavioral1/memory/1844-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1844-54-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1844-56-0x0000000003020000-0x000000000390B000-memory.dmp family_glupteba behavioral1/memory/3288-59-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3288-106-0x0000000002A40000-0x0000000002E43000-memory.dmp family_glupteba behavioral1/memory/3288-122-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3288-126-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3288-158-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1316-224-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1316-263-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1316-274-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1316-278-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1316-282-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1316-286-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1316-290-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1316-294-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1316-298-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1316-302-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4380 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1316 csrss.exe 848 injector.exe 3208 windefender.exe 4892 windefender.exe -
resource yara_rule behavioral1/files/0x0003000000021cfa-266.dat upx behavioral1/memory/3208-271-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4892-275-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4892-283-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" f8d57716ad1a97cafbcd924781b289f47c783c899323bd24dc5252dbfc79a6ae.exe Set value (str) \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\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\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 File created 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 f8d57716ad1a97cafbcd924781b289f47c783c899323bd24dc5252dbfc79a6ae.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss f8d57716ad1a97cafbcd924781b289f47c783c899323bd24dc5252dbfc79a6ae.exe File created C:\Windows\rss\csrss.exe f8d57716ad1a97cafbcd924781b289f47c783c899323bd24dc5252dbfc79a6ae.exe File created 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 1224 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 5028 schtasks.exe 4700 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" f8d57716ad1a97cafbcd924781b289f47c783c899323bd24dc5252dbfc79a6ae.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-911 = "Mauritius Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-932 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time" f8d57716ad1a97cafbcd924781b289f47c783c899323bd24dc5252dbfc79a6ae.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs 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,-842 = "Argentina Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time" f8d57716ad1a97cafbcd924781b289f47c783c899323bd24dc5252dbfc79a6ae.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs 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,-841 = "Argentina Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1661 = "Bahia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" f8d57716ad1a97cafbcd924781b289f47c783c899323bd24dc5252dbfc79a6ae.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)" f8d57716ad1a97cafbcd924781b289f47c783c899323bd24dc5252dbfc79a6ae.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time" f8d57716ad1a97cafbcd924781b289f47c783c899323bd24dc5252dbfc79a6ae.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2181 = "Astrakhan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2792 = "Novosibirsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" f8d57716ad1a97cafbcd924781b289f47c783c899323bd24dc5252dbfc79a6ae.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time" f8d57716ad1a97cafbcd924781b289f47c783c899323bd24dc5252dbfc79a6ae.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-32 = "Mid-Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-3142 = "South Sudan Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-282 = "Central Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1842 = "Russia TZ 4 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-51 = "Greenland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1501 = "Turkey Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" f8d57716ad1a97cafbcd924781b289f47c783c899323bd24dc5252dbfc79a6ae.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-342 = "Egypt Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-542 = "Myanmar Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time" f8d57716ad1a97cafbcd924781b289f47c783c899323bd24dc5252dbfc79a6ae.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time" f8d57716ad1a97cafbcd924781b289f47c783c899323bd24dc5252dbfc79a6ae.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2611 = "Bougainville Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time" f8d57716ad1a97cafbcd924781b289f47c783c899323bd24dc5252dbfc79a6ae.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" f8d57716ad1a97cafbcd924781b289f47c783c899323bd24dc5252dbfc79a6ae.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.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,-251 = "Dateline Daylight Time" f8d57716ad1a97cafbcd924781b289f47c783c899323bd24dc5252dbfc79a6ae.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time" f8d57716ad1a97cafbcd924781b289f47c783c899323bd24dc5252dbfc79a6ae.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time" f8d57716ad1a97cafbcd924781b289f47c783c899323bd24dc5252dbfc79a6ae.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time" f8d57716ad1a97cafbcd924781b289f47c783c899323bd24dc5252dbfc79a6ae.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time" f8d57716ad1a97cafbcd924781b289f47c783c899323bd24dc5252dbfc79a6ae.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" f8d57716ad1a97cafbcd924781b289f47c783c899323bd24dc5252dbfc79a6ae.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" f8d57716ad1a97cafbcd924781b289f47c783c899323bd24dc5252dbfc79a6ae.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time" f8d57716ad1a97cafbcd924781b289f47c783c899323bd24dc5252dbfc79a6ae.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-202 = "US Mountain Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-331 = "E. Europe Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4780 powershell.exe 4780 powershell.exe 1844 f8d57716ad1a97cafbcd924781b289f47c783c899323bd24dc5252dbfc79a6ae.exe 1844 f8d57716ad1a97cafbcd924781b289f47c783c899323bd24dc5252dbfc79a6ae.exe 2372 powershell.exe 2372 powershell.exe 3288 f8d57716ad1a97cafbcd924781b289f47c783c899323bd24dc5252dbfc79a6ae.exe 3288 f8d57716ad1a97cafbcd924781b289f47c783c899323bd24dc5252dbfc79a6ae.exe 3288 f8d57716ad1a97cafbcd924781b289f47c783c899323bd24dc5252dbfc79a6ae.exe 3288 f8d57716ad1a97cafbcd924781b289f47c783c899323bd24dc5252dbfc79a6ae.exe 3288 f8d57716ad1a97cafbcd924781b289f47c783c899323bd24dc5252dbfc79a6ae.exe 3288 f8d57716ad1a97cafbcd924781b289f47c783c899323bd24dc5252dbfc79a6ae.exe 3288 f8d57716ad1a97cafbcd924781b289f47c783c899323bd24dc5252dbfc79a6ae.exe 3288 f8d57716ad1a97cafbcd924781b289f47c783c899323bd24dc5252dbfc79a6ae.exe 3288 f8d57716ad1a97cafbcd924781b289f47c783c899323bd24dc5252dbfc79a6ae.exe 3288 f8d57716ad1a97cafbcd924781b289f47c783c899323bd24dc5252dbfc79a6ae.exe 224 powershell.exe 224 powershell.exe 4192 powershell.exe 4192 powershell.exe 3276 powershell.exe 3276 powershell.exe 3884 powershell.exe 3884 powershell.exe 4112 powershell.exe 4112 powershell.exe 848 injector.exe 848 injector.exe 848 injector.exe 848 injector.exe 848 injector.exe 848 injector.exe 848 injector.exe 848 injector.exe 1316 csrss.exe 1316 csrss.exe 848 injector.exe 848 injector.exe 848 injector.exe 848 injector.exe 848 injector.exe 848 injector.exe 1316 csrss.exe 1316 csrss.exe 848 injector.exe 848 injector.exe 1316 csrss.exe 1316 csrss.exe 848 injector.exe 848 injector.exe 848 injector.exe 848 injector.exe 848 injector.exe 848 injector.exe 848 injector.exe 848 injector.exe 848 injector.exe 848 injector.exe 848 injector.exe 848 injector.exe 848 injector.exe 848 injector.exe 848 injector.exe 848 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4780 powershell.exe Token: SeDebugPrivilege 1844 f8d57716ad1a97cafbcd924781b289f47c783c899323bd24dc5252dbfc79a6ae.exe Token: SeImpersonatePrivilege 1844 f8d57716ad1a97cafbcd924781b289f47c783c899323bd24dc5252dbfc79a6ae.exe Token: SeDebugPrivilege 2372 powershell.exe Token: SeDebugPrivilege 224 powershell.exe Token: SeDebugPrivilege 4192 powershell.exe Token: SeDebugPrivilege 3276 powershell.exe Token: SeDebugPrivilege 3884 powershell.exe Token: SeDebugPrivilege 4112 powershell.exe Token: SeSystemEnvironmentPrivilege 1316 csrss.exe Token: SeSecurityPrivilege 1224 sc.exe Token: SeSecurityPrivilege 1224 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1844 wrote to memory of 4780 1844 f8d57716ad1a97cafbcd924781b289f47c783c899323bd24dc5252dbfc79a6ae.exe 90 PID 1844 wrote to memory of 4780 1844 f8d57716ad1a97cafbcd924781b289f47c783c899323bd24dc5252dbfc79a6ae.exe 90 PID 1844 wrote to memory of 4780 1844 f8d57716ad1a97cafbcd924781b289f47c783c899323bd24dc5252dbfc79a6ae.exe 90 PID 3288 wrote to memory of 2372 3288 f8d57716ad1a97cafbcd924781b289f47c783c899323bd24dc5252dbfc79a6ae.exe 100 PID 3288 wrote to memory of 2372 3288 f8d57716ad1a97cafbcd924781b289f47c783c899323bd24dc5252dbfc79a6ae.exe 100 PID 3288 wrote to memory of 2372 3288 f8d57716ad1a97cafbcd924781b289f47c783c899323bd24dc5252dbfc79a6ae.exe 100 PID 3288 wrote to memory of 1276 3288 f8d57716ad1a97cafbcd924781b289f47c783c899323bd24dc5252dbfc79a6ae.exe 102 PID 3288 wrote to memory of 1276 3288 f8d57716ad1a97cafbcd924781b289f47c783c899323bd24dc5252dbfc79a6ae.exe 102 PID 1276 wrote to memory of 4380 1276 cmd.exe 104 PID 1276 wrote to memory of 4380 1276 cmd.exe 104 PID 3288 wrote to memory of 224 3288 f8d57716ad1a97cafbcd924781b289f47c783c899323bd24dc5252dbfc79a6ae.exe 105 PID 3288 wrote to memory of 224 3288 f8d57716ad1a97cafbcd924781b289f47c783c899323bd24dc5252dbfc79a6ae.exe 105 PID 3288 wrote to memory of 224 3288 f8d57716ad1a97cafbcd924781b289f47c783c899323bd24dc5252dbfc79a6ae.exe 105 PID 3288 wrote to memory of 4192 3288 f8d57716ad1a97cafbcd924781b289f47c783c899323bd24dc5252dbfc79a6ae.exe 108 PID 3288 wrote to memory of 4192 3288 f8d57716ad1a97cafbcd924781b289f47c783c899323bd24dc5252dbfc79a6ae.exe 108 PID 3288 wrote to memory of 4192 3288 f8d57716ad1a97cafbcd924781b289f47c783c899323bd24dc5252dbfc79a6ae.exe 108 PID 3288 wrote to memory of 1316 3288 f8d57716ad1a97cafbcd924781b289f47c783c899323bd24dc5252dbfc79a6ae.exe 110 PID 3288 wrote to memory of 1316 3288 f8d57716ad1a97cafbcd924781b289f47c783c899323bd24dc5252dbfc79a6ae.exe 110 PID 3288 wrote to memory of 1316 3288 f8d57716ad1a97cafbcd924781b289f47c783c899323bd24dc5252dbfc79a6ae.exe 110 PID 1316 wrote to memory of 3276 1316 csrss.exe 111 PID 1316 wrote to memory of 3276 1316 csrss.exe 111 PID 1316 wrote to memory of 3276 1316 csrss.exe 111 PID 1316 wrote to memory of 3884 1316 csrss.exe 117 PID 1316 wrote to memory of 3884 1316 csrss.exe 117 PID 1316 wrote to memory of 3884 1316 csrss.exe 117 PID 1316 wrote to memory of 4112 1316 csrss.exe 119 PID 1316 wrote to memory of 4112 1316 csrss.exe 119 PID 1316 wrote to memory of 4112 1316 csrss.exe 119 PID 1316 wrote to memory of 848 1316 csrss.exe 121 PID 1316 wrote to memory of 848 1316 csrss.exe 121 PID 3208 wrote to memory of 4400 3208 windefender.exe 127 PID 3208 wrote to memory of 4400 3208 windefender.exe 127 PID 3208 wrote to memory of 4400 3208 windefender.exe 127 PID 4400 wrote to memory of 1224 4400 cmd.exe 128 PID 4400 wrote to memory of 1224 4400 cmd.exe 128 PID 4400 wrote to memory of 1224 4400 cmd.exe 128 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\f8d57716ad1a97cafbcd924781b289f47c783c899323bd24dc5252dbfc79a6ae.exe"C:\Users\Admin\AppData\Local\Temp\f8d57716ad1a97cafbcd924781b289f47c783c899323bd24dc5252dbfc79a6ae.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1844 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4780
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C:\Users\Admin\AppData\Local\Temp\f8d57716ad1a97cafbcd924781b289f47c783c899323bd24dc5252dbfc79a6ae.exe"C:\Users\Admin\AppData\Local\Temp\f8d57716ad1a97cafbcd924781b289f47c783c899323bd24dc5252dbfc79a6ae.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:3288 -
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:2372
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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:1276 -
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:4380
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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:224
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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:4192
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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:1316 -
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:3276
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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:5028
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1128
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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:3884
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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:4112
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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:848
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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:4700
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3208 -
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:4400 -
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:1224
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4892
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
MD590d0a1c8f28acf74605bfe331793f80f
SHA1c9cee45a97d63cccb315ae174cc05a8413229039
SHA256010c2061f042442d550a9d3d44c5be4749c015df42acead579acbd41b0218c63
SHA512ac7f7a424420c4a181571024cdebd0d30a2701555c31385f76e7baec369eb49a4855762b2981c88a68026b2cee7e02c287f1fb33ea5ddd99650bdaa8872c02df
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f340fbea5e7aa4e92d3557f25cec9a94
SHA1900f712f36e59002841c8fff8e37ede312dd381a
SHA256fbc94ff574d35d0f105715f756db03e8348578a0b331869cc7eccaa293f21aa5
SHA5128326fa6d4526c12b7f182acad0188de1ea0c41a4c1d1306c5a94b25e1a087ac4b706758b91aaed7fc3106be4aee9937b724f714587fc4f764f56e7eb6949709e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f5da6200021f4890f6cc11a3791cb6eb
SHA1e2b0a26530eb94032cfcbe94f57fd5cbbb5249df
SHA25671c42e4a2495b5926093c355e524b9f9cf34ecadc37b27f5dd584e6645aa9f8a
SHA5124ddcf9389dd525b5dc30d7d90320b39f0b3976dd336eda27035f2b7aa82a132d34ef08c112eed8c50dfe82831c3ec6ad695c7c22bdc77af678f3ed7a5c987d95
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5443196dfdf1dc8ecf7b44d120d22d992
SHA14da450da330150b098e0b7677e8b6d7804148c61
SHA25677deb8994b5e11223c2c20550fcf210b6d4dd47c9acd390b42c0f0e0e33d1231
SHA512dd0707bf8b879691594f9d1e02cfec26f0538400340f760d9e48fa1ff0f2c91ffd8e489b765fd06bb2d588567549a130e936b7f4c6d43caee638f78bfc3ec341
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5bd67b8916bc4be5bb35f56952f706cd6
SHA1640e04a834a9d68f1624cd38cb11c76f8839e951
SHA25686ed0149340978d2319ef15cfa77a80f0717925eeb7556def349e9ad1689fe76
SHA5128dd995a4e20cdd53a7ca5f9d62965e88f6407a9285d396993dadb542ab956dda63b75374783a85ff25239c383bcf6e8f4caa995e8bfa16f81a549ffd2a7a9860
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Filesize
4.2MB
MD57605e635e82e4d994c6e845c836c52e3
SHA1194cb08e816d4f392588d0c22d741a73944a35d4
SHA256f8d57716ad1a97cafbcd924781b289f47c783c899323bd24dc5252dbfc79a6ae
SHA5125b49cc0f1749ff7aab20f3e2e9b6e078f394daf87b8823a4ebd00e0a2fcc5c89b5baa4baea0980253901236ab99d1a0d940316e81c71dff89eb2fb8b35e0c0b7
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec