Analysis
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max time kernel
153s -
max time network
157s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
18/04/2024, 20:23
Static task
static1
Behavioral task
behavioral1
Sample
8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe
Resource
win10v2004-20240412-en
General
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Target
8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe
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Size
4.2MB
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MD5
08ac55e6e61e9315ce956b99e5a0fb51
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SHA1
803c344a9e8f79b66e209dffa10bdd61a76f32f6
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SHA256
8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f
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SHA512
1827878cce05815659156a4672072c9faa2fb758e412531d93104c67a69b233c4b886de8aeca78ffc0118ef08652064ae2c4df050b591b372e9dc64226594948
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SSDEEP
98304:WRe06RCZ8qdKnAdKFoI0tkW+Km95muXXLdVYjOy3P9UT:bUuqUAddtM55murAiy9m
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/4748-2-0x0000000005080000-0x000000000596B000-memory.dmp family_glupteba behavioral1/memory/4748-3-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral1/memory/4748-4-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral1/memory/4748-50-0x0000000005080000-0x000000000596B000-memory.dmp family_glupteba behavioral1/memory/4748-53-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral1/memory/4748-59-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral1/memory/1040-62-0x0000000005150000-0x0000000005A3B000-memory.dmp family_glupteba behavioral1/memory/1040-63-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral1/memory/1040-77-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral1/memory/1040-97-0x00000000033A0000-0x00000000037A3000-memory.dmp family_glupteba behavioral1/memory/1040-112-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral1/memory/1040-113-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral1/memory/1040-153-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral1/memory/1040-159-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral1/memory/3304-164-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral1/memory/3304-228-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral1/memory/3304-258-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral1/memory/3304-266-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral1/memory/3304-274-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4744 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3304 csrss.exe 1836 injector.exe 3840 windefender.exe 4648 windefender.exe -
resource yara_rule behavioral1/files/0x0009000000023503-269.dat upx behavioral1/memory/3840-273-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4648-275-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1230272463-3683322193-511842230-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe Set value (str) \REGISTRY\USER\S-1-5-21-1230272463-3683322193-511842230-1000\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 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe 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 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 2212 sc.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 1088 4748 WerFault.exe 90 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1740 schtasks.exe 4268 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time" 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time" 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time" 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2571 = "Turks and Caicos Daylight Time" 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1021 = "Bangladesh Daylight Time" 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time" 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time" 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates 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\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time" 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time" 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates 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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time" 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1862 = "Russia TZ 6 Standard Time" 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time" 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates 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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time" 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time" 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time" 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time" 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust 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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time" 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time" 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time" 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time" 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time" 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time" 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 5032 powershell.exe 5032 powershell.exe 5032 powershell.exe 4748 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe 4748 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe 4512 powershell.exe 4512 powershell.exe 4512 powershell.exe 1040 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe 1040 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe 1040 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe 1040 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe 1040 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe 1040 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe 1040 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe 1040 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe 1040 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe 1040 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe 3988 powershell.exe 3988 powershell.exe 3988 powershell.exe 436 powershell.exe 436 powershell.exe 1220 powershell.exe 1220 powershell.exe 5060 powershell.exe 5060 powershell.exe 5060 powershell.exe 4968 powershell.exe 4968 powershell.exe 1836 injector.exe 1836 injector.exe 1836 injector.exe 1836 injector.exe 1836 injector.exe 1836 injector.exe 1836 injector.exe 1836 injector.exe 3304 csrss.exe 3304 csrss.exe 1836 injector.exe 1836 injector.exe 1836 injector.exe 1836 injector.exe 1836 injector.exe 1836 injector.exe 3304 csrss.exe 3304 csrss.exe 1836 injector.exe 1836 injector.exe 3304 csrss.exe 3304 csrss.exe 1836 injector.exe 1836 injector.exe 1836 injector.exe 1836 injector.exe 1836 injector.exe 1836 injector.exe 1836 injector.exe 1836 injector.exe 1836 injector.exe 1836 injector.exe 1836 injector.exe 1836 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 5032 powershell.exe Token: SeDebugPrivilege 4748 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe Token: SeImpersonatePrivilege 4748 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe Token: SeDebugPrivilege 4512 powershell.exe Token: SeDebugPrivilege 3988 powershell.exe Token: SeDebugPrivilege 436 powershell.exe Token: SeDebugPrivilege 1220 powershell.exe Token: SeDebugPrivilege 5060 powershell.exe Token: SeDebugPrivilege 4968 powershell.exe Token: SeSystemEnvironmentPrivilege 3304 csrss.exe Token: SeSecurityPrivilege 2212 sc.exe Token: SeSecurityPrivilege 2212 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4748 wrote to memory of 5032 4748 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe 97 PID 4748 wrote to memory of 5032 4748 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe 97 PID 4748 wrote to memory of 5032 4748 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe 97 PID 1040 wrote to memory of 4512 1040 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe 106 PID 1040 wrote to memory of 4512 1040 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe 106 PID 1040 wrote to memory of 4512 1040 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe 106 PID 1040 wrote to memory of 3204 1040 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe 108 PID 1040 wrote to memory of 3204 1040 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe 108 PID 3204 wrote to memory of 4744 3204 cmd.exe 110 PID 3204 wrote to memory of 4744 3204 cmd.exe 110 PID 1040 wrote to memory of 3988 1040 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe 111 PID 1040 wrote to memory of 3988 1040 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe 111 PID 1040 wrote to memory of 3988 1040 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe 111 PID 1040 wrote to memory of 436 1040 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe 113 PID 1040 wrote to memory of 436 1040 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe 113 PID 1040 wrote to memory of 436 1040 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe 113 PID 1040 wrote to memory of 3304 1040 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe 115 PID 1040 wrote to memory of 3304 1040 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe 115 PID 1040 wrote to memory of 3304 1040 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe 115 PID 3304 wrote to memory of 1220 3304 csrss.exe 116 PID 3304 wrote to memory of 1220 3304 csrss.exe 116 PID 3304 wrote to memory of 1220 3304 csrss.exe 116 PID 3304 wrote to memory of 5060 3304 csrss.exe 122 PID 3304 wrote to memory of 5060 3304 csrss.exe 122 PID 3304 wrote to memory of 5060 3304 csrss.exe 122 PID 3304 wrote to memory of 4968 3304 csrss.exe 124 PID 3304 wrote to memory of 4968 3304 csrss.exe 124 PID 3304 wrote to memory of 4968 3304 csrss.exe 124 PID 3304 wrote to memory of 1836 3304 csrss.exe 126 PID 3304 wrote to memory of 1836 3304 csrss.exe 126 PID 3840 wrote to memory of 2584 3840 windefender.exe 132 PID 3840 wrote to memory of 2584 3840 windefender.exe 132 PID 3840 wrote to memory of 2584 3840 windefender.exe 132 PID 2584 wrote to memory of 2212 2584 cmd.exe 133 PID 2584 wrote to memory of 2212 2584 cmd.exe 133 PID 2584 wrote to memory of 2212 2584 cmd.exe 133 -
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\8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe"C:\Users\Admin\AppData\Local\Temp\8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4748 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5032
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C:\Users\Admin\AppData\Local\Temp\8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe"C:\Users\Admin\AppData\Local\Temp\8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.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:1040 -
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:4512
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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:3204 -
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:4744
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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:3988
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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:436
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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:3304 -
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:1220
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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:1740
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3736
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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:5060
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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:4968
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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:1836
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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:4268
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3840 -
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:2584 -
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:2212
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4748 -s 9362⤵
- Program crash
PID:1088
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4112,i,4770062162764366287,7825742579436984831,262144 --variations-seed-version --mojo-platform-channel-handle=4228 /prefetch:81⤵PID:1836
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 4748 -ip 47481⤵PID:2704
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
PID:4648
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
MD533e48d593dbb6d5627e2e37dc807093d
SHA1c3d9f388417ecf73dccdb57c60bceb8a8dc8381d
SHA2563bc5c9af54134756ac39d7a0714c70939b51aa692162fa0f59314bf4e0a0ad80
SHA51297027cf39ab1d8071f19fa5f468922c5531e72c0ca0a188173cd25bc6c74071f336963739b3bdc4b53df0ba68d1e25c40d171b0ad90298a5f5dfcf53abcef134
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD595b16efb74a4135c1ad77b569a173bd9
SHA188b9071e2d0bccc3ac5ed1982831fec6ed766b68
SHA25647613a90b1cc2e261b85d3e52876f07e520f7cfd6cb64590ee5e09e01e68831c
SHA51252cffe3def746569e3bb33eba4b5a6d939a2fc926c98152c35bc09a504d700842a0fe5255999e26ab4d6dea0f85b5729e95dfa1d1ce9764e25c111a977a62902
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56cba4c59b0522dadd1252d2d82b28a0a
SHA149647cb4a7e57fe33fd714f92c1b6c2ab2f39cf1
SHA25611a3dfa91d8560d0201726d71c75f00c4fc6c1a945c1311038a6ed0caf45e9a5
SHA512f18770c3491c24c3e09c99d05fa84d9337fa320932d1b0005b36fcc10be067b8392003446025d121d195af3349b804ace24512ddec9cc3032446c855cb6be609
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55f78e7bf506a6b607c9dc442c6db1d98
SHA1932eb56aa51cc3452da779e033a8462eb1cf2fca
SHA2569b9eff71ba5d19925daeba1f5db41fbd16373ae3cce2764de454e68c910a6055
SHA512e4fcca1a2940cb7f5c310d2d130db5e5cde8442e867c2e5e6a9333b8eee272e0df9e7043a123ad706a1664a2500d69a3131c024e6b0d21bf05cfc5f79e75c70a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD506360b9864af561a2be213192236674f
SHA1818ff2bbf77106a01e863495cc6ddd8ac908b746
SHA256dcd204cd483369b88af99dde645530c4d2c33be8932b3474c0372cb73aede20e
SHA5124440d5d5b0555ef0d542ff612cbffd3f9e953be673f41cfbc4c11aa4aca32bdf18595162dfb185499e76a2b9741247bb55e2ee75ca954901eb2ac67092d273c5
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Filesize
4.2MB
MD508ac55e6e61e9315ce956b99e5a0fb51
SHA1803c344a9e8f79b66e209dffa10bdd61a76f32f6
SHA2568fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f
SHA5121827878cce05815659156a4672072c9faa2fb758e412531d93104c67a69b233c4b886de8aeca78ffc0118ef08652064ae2c4df050b591b372e9dc64226594948
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec