Analysis
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max time kernel
150s -
max time network
149s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
16/05/2024, 12:26
Static task
static1
Behavioral task
behavioral1
Sample
645fec0ae111385e0a402969e771c8d671271a55ff1aaee72947dc1508e038fd.exe
Resource
win10v2004-20240226-en
General
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Target
645fec0ae111385e0a402969e771c8d671271a55ff1aaee72947dc1508e038fd.exe
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Size
4.1MB
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MD5
b769a0548f0520d90f0553ce278e74e9
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SHA1
f787addff8bb2688f7000849f79f3e26376bbb13
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SHA256
645fec0ae111385e0a402969e771c8d671271a55ff1aaee72947dc1508e038fd
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SHA512
090088a9e70c6233d55f5b885310f42ef5452ce2551e47552f01b35cf4bbf200c0affa7cef99d41eab38f238f1f4d465a54193bff1ee4128e0f4a58d1b174143
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SSDEEP
98304:N/lx2VB4FLDQS1OmkYbRsTncIxTvyO2P5x7YbDUU8T:dlgkYS1OmbburVLyO2P5x7Yb4F
Malware Config
Signatures
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Glupteba payload 17 IoCs
resource yara_rule behavioral2/memory/4260-2-0x0000000002E30000-0x000000000371B000-memory.dmp family_glupteba behavioral2/memory/4260-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4260-73-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2200-120-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2200-194-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5016-200-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5016-211-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5016-217-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5016-221-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5016-225-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5016-229-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5016-233-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5016-237-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5016-241-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5016-245-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5016-249-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5016-253-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1576 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 5016 csrss.exe 2096 injector.exe 3752 windefender.exe 1700 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a9ea-207.dat upx behavioral2/memory/3752-208-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1700-212-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3752-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1700-218-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1700-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2457560273-69882387-977367775-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 645fec0ae111385e0a402969e771c8d671271a55ff1aaee72947dc1508e038fd.exe Set value (str) \REGISTRY\USER\S-1-5-21-2457560273-69882387-977367775-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File 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 -
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 645fec0ae111385e0a402969e771c8d671271a55ff1aaee72947dc1508e038fd.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 645fec0ae111385e0a402969e771c8d671271a55ff1aaee72947dc1508e038fd.exe File created C:\Windows\rss\csrss.exe 645fec0ae111385e0a402969e771c8d671271a55ff1aaee72947dc1508e038fd.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 4928 sc.exe -
pid Process 2536 powershell.exe 1984 powershell.exe 1616 powershell.exe 4092 powershell.exe 4480 powershell.exe 3420 powershell.exe 3528 powershell.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 276 schtasks.exe 2424 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" 645fec0ae111385e0a402969e771c8d671271a55ff1aaee72947dc1508e038fd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2181 = "Astrakhan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-651 = "AUS Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time" 645fec0ae111385e0a402969e771c8d671271a55ff1aaee72947dc1508e038fd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time" 645fec0ae111385e0a402969e771c8d671271a55ff1aaee72947dc1508e038fd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time" 645fec0ae111385e0a402969e771c8d671271a55ff1aaee72947dc1508e038fd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1661 = "Bahia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-152 = "Central America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time" 645fec0ae111385e0a402969e771c8d671271a55ff1aaee72947dc1508e038fd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time" 645fec0ae111385e0a402969e771c8d671271a55ff1aaee72947dc1508e038fd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-384 = "Namibia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2941 = "Sao Tome Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2161 = "Altai Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-72 = "Newfoundland Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs 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\2a\52C64B7E\@tzres.dll,-351 = "FLE Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2341 = "Haiti Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time" 645fec0ae111385e0a402969e771c8d671271a55ff1aaee72947dc1508e038fd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" 645fec0ae111385e0a402969e771c8d671271a55ff1aaee72947dc1508e038fd.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,-2182 = "Astrakhan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-572 = "China Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-431 = "Iran Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2872 = "Magallanes Standard 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,-502 = "Nepal Standard Time" 645fec0ae111385e0a402969e771c8d671271a55ff1aaee72947dc1508e038fd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time" 645fec0ae111385e0a402969e771c8d671271a55ff1aaee72947dc1508e038fd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-262 = "GMT Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-261 = "GMT Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time" 645fec0ae111385e0a402969e771c8d671271a55ff1aaee72947dc1508e038fd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-452 = "Caucasus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-105 = "Central Brazilian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-112 = "Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-492 = "India Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-385 = "Namibia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time" 645fec0ae111385e0a402969e771c8d671271a55ff1aaee72947dc1508e038fd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-632 = "Tokyo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" 645fec0ae111385e0a402969e771c8d671271a55ff1aaee72947dc1508e038fd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time" 645fec0ae111385e0a402969e771c8d671271a55ff1aaee72947dc1508e038fd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\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,-391 = "Arab Daylight Time" 645fec0ae111385e0a402969e771c8d671271a55ff1aaee72947dc1508e038fd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time" 645fec0ae111385e0a402969e771c8d671271a55ff1aaee72947dc1508e038fd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" 645fec0ae111385e0a402969e771c8d671271a55ff1aaee72947dc1508e038fd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" 645fec0ae111385e0a402969e771c8d671271a55ff1aaee72947dc1508e038fd.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4480 powershell.exe 4480 powershell.exe 4260 645fec0ae111385e0a402969e771c8d671271a55ff1aaee72947dc1508e038fd.exe 4260 645fec0ae111385e0a402969e771c8d671271a55ff1aaee72947dc1508e038fd.exe 3420 powershell.exe 3420 powershell.exe 2200 645fec0ae111385e0a402969e771c8d671271a55ff1aaee72947dc1508e038fd.exe 2200 645fec0ae111385e0a402969e771c8d671271a55ff1aaee72947dc1508e038fd.exe 2200 645fec0ae111385e0a402969e771c8d671271a55ff1aaee72947dc1508e038fd.exe 2200 645fec0ae111385e0a402969e771c8d671271a55ff1aaee72947dc1508e038fd.exe 2200 645fec0ae111385e0a402969e771c8d671271a55ff1aaee72947dc1508e038fd.exe 2200 645fec0ae111385e0a402969e771c8d671271a55ff1aaee72947dc1508e038fd.exe 2200 645fec0ae111385e0a402969e771c8d671271a55ff1aaee72947dc1508e038fd.exe 2200 645fec0ae111385e0a402969e771c8d671271a55ff1aaee72947dc1508e038fd.exe 2200 645fec0ae111385e0a402969e771c8d671271a55ff1aaee72947dc1508e038fd.exe 2200 645fec0ae111385e0a402969e771c8d671271a55ff1aaee72947dc1508e038fd.exe 3528 powershell.exe 3528 powershell.exe 2536 powershell.exe 2536 powershell.exe 1984 powershell.exe 1984 powershell.exe 1616 powershell.exe 1616 powershell.exe 4092 powershell.exe 4092 powershell.exe 2096 injector.exe 2096 injector.exe 2096 injector.exe 2096 injector.exe 2096 injector.exe 2096 injector.exe 2096 injector.exe 2096 injector.exe 5016 csrss.exe 5016 csrss.exe 2096 injector.exe 2096 injector.exe 2096 injector.exe 2096 injector.exe 5016 csrss.exe 5016 csrss.exe 2096 injector.exe 2096 injector.exe 5016 csrss.exe 5016 csrss.exe 2096 injector.exe 2096 injector.exe 2096 injector.exe 2096 injector.exe 2096 injector.exe 2096 injector.exe 2096 injector.exe 2096 injector.exe 2096 injector.exe 2096 injector.exe 2096 injector.exe 2096 injector.exe 2096 injector.exe 2096 injector.exe 2096 injector.exe 2096 injector.exe 2096 injector.exe 2096 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4480 powershell.exe Token: SeDebugPrivilege 4260 645fec0ae111385e0a402969e771c8d671271a55ff1aaee72947dc1508e038fd.exe Token: SeImpersonatePrivilege 4260 645fec0ae111385e0a402969e771c8d671271a55ff1aaee72947dc1508e038fd.exe Token: SeDebugPrivilege 3420 powershell.exe Token: SeDebugPrivilege 3528 powershell.exe Token: SeDebugPrivilege 2536 powershell.exe Token: SeDebugPrivilege 1984 powershell.exe Token: SeDebugPrivilege 1616 powershell.exe Token: SeDebugPrivilege 4092 powershell.exe Token: SeSystemEnvironmentPrivilege 5016 csrss.exe Token: SeSecurityPrivilege 4928 sc.exe Token: SeSecurityPrivilege 4928 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4260 wrote to memory of 4480 4260 645fec0ae111385e0a402969e771c8d671271a55ff1aaee72947dc1508e038fd.exe 79 PID 4260 wrote to memory of 4480 4260 645fec0ae111385e0a402969e771c8d671271a55ff1aaee72947dc1508e038fd.exe 79 PID 4260 wrote to memory of 4480 4260 645fec0ae111385e0a402969e771c8d671271a55ff1aaee72947dc1508e038fd.exe 79 PID 2200 wrote to memory of 3420 2200 645fec0ae111385e0a402969e771c8d671271a55ff1aaee72947dc1508e038fd.exe 84 PID 2200 wrote to memory of 3420 2200 645fec0ae111385e0a402969e771c8d671271a55ff1aaee72947dc1508e038fd.exe 84 PID 2200 wrote to memory of 3420 2200 645fec0ae111385e0a402969e771c8d671271a55ff1aaee72947dc1508e038fd.exe 84 PID 2200 wrote to memory of 2308 2200 645fec0ae111385e0a402969e771c8d671271a55ff1aaee72947dc1508e038fd.exe 86 PID 2200 wrote to memory of 2308 2200 645fec0ae111385e0a402969e771c8d671271a55ff1aaee72947dc1508e038fd.exe 86 PID 2308 wrote to memory of 1576 2308 cmd.exe 88 PID 2308 wrote to memory of 1576 2308 cmd.exe 88 PID 2200 wrote to memory of 3528 2200 645fec0ae111385e0a402969e771c8d671271a55ff1aaee72947dc1508e038fd.exe 89 PID 2200 wrote to memory of 3528 2200 645fec0ae111385e0a402969e771c8d671271a55ff1aaee72947dc1508e038fd.exe 89 PID 2200 wrote to memory of 3528 2200 645fec0ae111385e0a402969e771c8d671271a55ff1aaee72947dc1508e038fd.exe 89 PID 2200 wrote to memory of 2536 2200 645fec0ae111385e0a402969e771c8d671271a55ff1aaee72947dc1508e038fd.exe 91 PID 2200 wrote to memory of 2536 2200 645fec0ae111385e0a402969e771c8d671271a55ff1aaee72947dc1508e038fd.exe 91 PID 2200 wrote to memory of 2536 2200 645fec0ae111385e0a402969e771c8d671271a55ff1aaee72947dc1508e038fd.exe 91 PID 2200 wrote to memory of 5016 2200 645fec0ae111385e0a402969e771c8d671271a55ff1aaee72947dc1508e038fd.exe 93 PID 2200 wrote to memory of 5016 2200 645fec0ae111385e0a402969e771c8d671271a55ff1aaee72947dc1508e038fd.exe 93 PID 2200 wrote to memory of 5016 2200 645fec0ae111385e0a402969e771c8d671271a55ff1aaee72947dc1508e038fd.exe 93 PID 5016 wrote to memory of 1984 5016 csrss.exe 94 PID 5016 wrote to memory of 1984 5016 csrss.exe 94 PID 5016 wrote to memory of 1984 5016 csrss.exe 94 PID 5016 wrote to memory of 1616 5016 csrss.exe 100 PID 5016 wrote to memory of 1616 5016 csrss.exe 100 PID 5016 wrote to memory of 1616 5016 csrss.exe 100 PID 5016 wrote to memory of 4092 5016 csrss.exe 102 PID 5016 wrote to memory of 4092 5016 csrss.exe 102 PID 5016 wrote to memory of 4092 5016 csrss.exe 102 PID 5016 wrote to memory of 2096 5016 csrss.exe 104 PID 5016 wrote to memory of 2096 5016 csrss.exe 104 PID 3752 wrote to memory of 876 3752 windefender.exe 110 PID 3752 wrote to memory of 876 3752 windefender.exe 110 PID 3752 wrote to memory of 876 3752 windefender.exe 110 PID 876 wrote to memory of 4928 876 cmd.exe 111 PID 876 wrote to memory of 4928 876 cmd.exe 111 PID 876 wrote to memory of 4928 876 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\645fec0ae111385e0a402969e771c8d671271a55ff1aaee72947dc1508e038fd.exe"C:\Users\Admin\AppData\Local\Temp\645fec0ae111385e0a402969e771c8d671271a55ff1aaee72947dc1508e038fd.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4260 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4480
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C:\Users\Admin\AppData\Local\Temp\645fec0ae111385e0a402969e771c8d671271a55ff1aaee72947dc1508e038fd.exe"C:\Users\Admin\AppData\Local\Temp\645fec0ae111385e0a402969e771c8d671271a55ff1aaee72947dc1508e038fd.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:2200 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3420
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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:2308 -
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:1576
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3528
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2536
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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:5016 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1984
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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:276
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2032
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1616
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4092
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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:2096
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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:2424
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3752 -
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:876 -
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:4928
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1700
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51e1adb8711c107d43ca72366e84582e5
SHA130b57e252aacce95881f95a2b14d6b1677bb8605
SHA256ae0d9da02f309dbfaf502053353784cbe3d37788b379007c7a74f5597c0e93ed
SHA512fc8e82103132993931904300da6cc8eddaa963e0c84d87b98504b5f82b2fcba75803f8bec08bcb6279088ac762765f8f9150bc61edbfad0c70bec3e0708ee095
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e81928bbc8b4fab8ed7a1c1605a9b34c
SHA1b8a27ec8b1fc8581f2e4f3669d71892a6c1a75ae
SHA256d382c52af947d682e88c5577ad0da7ada3679e35f2a80beec9ce48240d25d344
SHA5125f361894c2dfc6ecf4460dbc8f342fd63dca0c3cb372b4b356b543108ba26897c077d548b2c54930253f533a7c7c9dcbafa121b5ba30e6f64b4dc0ddf3a5251b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52413e4fc919b965cfbd1e075dfa163e7
SHA1d8b642908b3123ef40a95303494a22ec93bfd333
SHA256fed165f5ea0e9fd858ebd0a4e428b9f7b4aa84999829543a3e09924db9d71a4c
SHA51294367b1318080f8d60b5e17499ded807bd7ea1f3c75a78145b38ecc8b32b814fa1556dd32b1a335bdc42640d8005df724e4383e6398b4d3bacdc3158852a4243
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD527e09ca0dfe78802e7b92de7056d9db2
SHA1a1641e22ac9c02abd17eba4df0a80e71cbbd6d40
SHA25676365437753ce30a85e277f693338f5a245a75c9e98c4c3c238fb66d877dd822
SHA512c449acc9a349c9a6c2aaa290a7af30835903aabb3da62e0dd483b658a022bbdde251c610cf1d9e3feea077edfa27a1651dafd2180e6283976028b23131fd7bc4
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5de57d24f1ba80f8805484f46fa059074
SHA11579214cbacbfa2eb6938c273bd48cb376d292c7
SHA256d68adccdcad98e326b82303d4cf1b754f1dcf5a06266a3ca32594afd992763be
SHA512e4dfe2ee8f2e0fff20ed5680f136d08787f30d75d240f772e94789b07c8cd1f7c5c086f023c94df216b4512c4643e1dfbb4e61843bec6b0a6f9dee4b4e729234
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Filesize
4.1MB
MD5b769a0548f0520d90f0553ce278e74e9
SHA1f787addff8bb2688f7000849f79f3e26376bbb13
SHA256645fec0ae111385e0a402969e771c8d671271a55ff1aaee72947dc1508e038fd
SHA512090088a9e70c6233d55f5b885310f42ef5452ce2551e47552f01b35cf4bbf200c0affa7cef99d41eab38f238f1f4d465a54193bff1ee4128e0f4a58d1b174143
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec