Analysis
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max time kernel
149s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
19/04/2024, 19:14
Static task
static1
Behavioral task
behavioral1
Sample
15892d4d3eb84ee95595ac4604045f85cc3e98c4fce097cabf4b04eaf6c7a8e8.exe
Resource
win10v2004-20240412-en
General
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Target
15892d4d3eb84ee95595ac4604045f85cc3e98c4fce097cabf4b04eaf6c7a8e8.exe
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Size
4.2MB
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MD5
122170f6e1d797f4f5d77c58b2fe6c51
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SHA1
95248f218acbd41cb77e785f7082896a4c731f3d
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SHA256
15892d4d3eb84ee95595ac4604045f85cc3e98c4fce097cabf4b04eaf6c7a8e8
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SHA512
d6eb342cc3d46400ff3fd1cb408ac901fcb47b7865d7003a44ace2ac5c693c1b80e281897f983ef6580e30dcdad82a4421d32187104e43fa9bd069250fb4f934
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SSDEEP
98304:ZqrB5wn4OMCZOc7+DuxcvwRwKkZb9A25YIHnzSUGXdTRu1L6z:GBo4d4+DucuGBGNT0Ly
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/2496-2-0x0000000004000000-0x00000000048EB000-memory.dmp family_glupteba behavioral1/memory/2496-3-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/3892-57-0x0000000003EF0000-0x00000000047DB000-memory.dmp family_glupteba behavioral1/memory/3892-58-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/2496-83-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/3892-234-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/1184-258-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/1184-269-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/1184-273-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/1184-277-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/1184-281-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/1184-285-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/1184-289-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/1184-293-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/1184-297-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/1184-301-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/1184-305-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/1184-309-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/1184-313-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4332 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1184 csrss.exe 1940 injector.exe 2548 windefender.exe 4908 windefender.exe -
resource yara_rule behavioral1/files/0x0008000000023424-262.dat upx behavioral1/memory/2548-267-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4908-271-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4908-279-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4908-291-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1132431369-515282257-1998160155-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 15892d4d3eb84ee95595ac4604045f85cc3e98c4fce097cabf4b04eaf6c7a8e8.exe Set value (str) \REGISTRY\USER\S-1-5-21-1132431369-515282257-1998160155-1000\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 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 -
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 15892d4d3eb84ee95595ac4604045f85cc3e98c4fce097cabf4b04eaf6c7a8e8.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 15892d4d3eb84ee95595ac4604045f85cc3e98c4fce097cabf4b04eaf6c7a8e8.exe File created C:\Windows\rss\csrss.exe 15892d4d3eb84ee95595ac4604045f85cc3e98c4fce097cabf4b04eaf6c7a8e8.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 4540 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 4004 schtasks.exe 60 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-341 = "Egypt Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.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\26\52C64B7E\@tzres.dll,-331 = "E. Europe Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust 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\@tzres.dll,-2512 = "Lord Howe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1501 = "Turkey Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time" 15892d4d3eb84ee95595ac4604045f85cc3e98c4fce097cabf4b04eaf6c7a8e8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" 15892d4d3eb84ee95595ac4604045f85cc3e98c4fce097cabf4b04eaf6c7a8e8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time" 15892d4d3eb84ee95595ac4604045f85cc3e98c4fce097cabf4b04eaf6c7a8e8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-672 = "AUS Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2841 = "Saratov Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-382 = "South Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time" 15892d4d3eb84ee95595ac4604045f85cc3e98c4fce097cabf4b04eaf6c7a8e8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" 15892d4d3eb84ee95595ac4604045f85cc3e98c4fce097cabf4b04eaf6c7a8e8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time" 15892d4d3eb84ee95595ac4604045f85cc3e98c4fce097cabf4b04eaf6c7a8e8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time" 15892d4d3eb84ee95595ac4604045f85cc3e98c4fce097cabf4b04eaf6c7a8e8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" 15892d4d3eb84ee95595ac4604045f85cc3e98c4fce097cabf4b04eaf6c7a8e8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time" 15892d4d3eb84ee95595ac4604045f85cc3e98c4fce097cabf4b04eaf6c7a8e8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-192 = "Mountain Standard Time" windefender.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\@tzres.dll,-512 = "Central Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-32 = "Mid-Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2341 = "Haiti Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time" 15892d4d3eb84ee95595ac4604045f85cc3e98c4fce097cabf4b04eaf6c7a8e8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs 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\@tzres.dll,-212 = "Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-602 = "Taipei Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root 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\@tzres.dll,-391 = "Arab Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-52 = "Greenland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time" 15892d4d3eb84ee95595ac4604045f85cc3e98c4fce097cabf4b04eaf6c7a8e8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot 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,-1862 = "Russia TZ 6 Standard Time" 15892d4d3eb84ee95595ac4604045f85cc3e98c4fce097cabf4b04eaf6c7a8e8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time" 15892d4d3eb84ee95595ac4604045f85cc3e98c4fce097cabf4b04eaf6c7a8e8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2492 = "Aus Central W. Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2371 = "Easter Island Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-771 = "Montevideo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time" 15892d4d3eb84ee95595ac4604045f85cc3e98c4fce097cabf4b04eaf6c7a8e8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1972 = "Belarus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-981 = "Kamchatka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-622 = "Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1802 = "Line Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" 15892d4d3eb84ee95595ac4604045f85cc3e98c4fce097cabf4b04eaf6c7a8e8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time" 15892d4d3eb84ee95595ac4604045f85cc3e98c4fce097cabf4b04eaf6c7a8e8.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 5028 powershell.exe 5028 powershell.exe 2496 15892d4d3eb84ee95595ac4604045f85cc3e98c4fce097cabf4b04eaf6c7a8e8.exe 2496 15892d4d3eb84ee95595ac4604045f85cc3e98c4fce097cabf4b04eaf6c7a8e8.exe 4488 powershell.exe 4488 powershell.exe 3892 15892d4d3eb84ee95595ac4604045f85cc3e98c4fce097cabf4b04eaf6c7a8e8.exe 3892 15892d4d3eb84ee95595ac4604045f85cc3e98c4fce097cabf4b04eaf6c7a8e8.exe 3892 15892d4d3eb84ee95595ac4604045f85cc3e98c4fce097cabf4b04eaf6c7a8e8.exe 3892 15892d4d3eb84ee95595ac4604045f85cc3e98c4fce097cabf4b04eaf6c7a8e8.exe 3892 15892d4d3eb84ee95595ac4604045f85cc3e98c4fce097cabf4b04eaf6c7a8e8.exe 3892 15892d4d3eb84ee95595ac4604045f85cc3e98c4fce097cabf4b04eaf6c7a8e8.exe 3892 15892d4d3eb84ee95595ac4604045f85cc3e98c4fce097cabf4b04eaf6c7a8e8.exe 3892 15892d4d3eb84ee95595ac4604045f85cc3e98c4fce097cabf4b04eaf6c7a8e8.exe 3892 15892d4d3eb84ee95595ac4604045f85cc3e98c4fce097cabf4b04eaf6c7a8e8.exe 3892 15892d4d3eb84ee95595ac4604045f85cc3e98c4fce097cabf4b04eaf6c7a8e8.exe 2592 powershell.exe 2592 powershell.exe 2592 powershell.exe 3112 powershell.exe 3112 powershell.exe 3112 powershell.exe 3500 powershell.exe 3500 powershell.exe 3500 powershell.exe 2068 powershell.exe 2068 powershell.exe 2068 powershell.exe 380 powershell.exe 380 powershell.exe 380 powershell.exe 1940 injector.exe 1940 injector.exe 1940 injector.exe 1940 injector.exe 1940 injector.exe 1940 injector.exe 1184 csrss.exe 1184 csrss.exe 1940 injector.exe 1940 injector.exe 1940 injector.exe 1940 injector.exe 1940 injector.exe 1940 injector.exe 1184 csrss.exe 1184 csrss.exe 1940 injector.exe 1940 injector.exe 1940 injector.exe 1940 injector.exe 1940 injector.exe 1940 injector.exe 1184 csrss.exe 1184 csrss.exe 1940 injector.exe 1940 injector.exe 1940 injector.exe 1940 injector.exe 1940 injector.exe 1940 injector.exe 1940 injector.exe 1940 injector.exe 1940 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 5028 powershell.exe Token: SeDebugPrivilege 2496 15892d4d3eb84ee95595ac4604045f85cc3e98c4fce097cabf4b04eaf6c7a8e8.exe Token: SeImpersonatePrivilege 2496 15892d4d3eb84ee95595ac4604045f85cc3e98c4fce097cabf4b04eaf6c7a8e8.exe Token: SeDebugPrivilege 4488 powershell.exe Token: SeDebugPrivilege 2592 powershell.exe Token: SeDebugPrivilege 3112 powershell.exe Token: SeDebugPrivilege 3500 powershell.exe Token: SeDebugPrivilege 2068 powershell.exe Token: SeDebugPrivilege 380 powershell.exe Token: SeSystemEnvironmentPrivilege 1184 csrss.exe Token: SeSecurityPrivilege 4540 sc.exe Token: SeSecurityPrivilege 4540 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2496 wrote to memory of 5028 2496 15892d4d3eb84ee95595ac4604045f85cc3e98c4fce097cabf4b04eaf6c7a8e8.exe 89 PID 2496 wrote to memory of 5028 2496 15892d4d3eb84ee95595ac4604045f85cc3e98c4fce097cabf4b04eaf6c7a8e8.exe 89 PID 2496 wrote to memory of 5028 2496 15892d4d3eb84ee95595ac4604045f85cc3e98c4fce097cabf4b04eaf6c7a8e8.exe 89 PID 3892 wrote to memory of 4488 3892 15892d4d3eb84ee95595ac4604045f85cc3e98c4fce097cabf4b04eaf6c7a8e8.exe 97 PID 3892 wrote to memory of 4488 3892 15892d4d3eb84ee95595ac4604045f85cc3e98c4fce097cabf4b04eaf6c7a8e8.exe 97 PID 3892 wrote to memory of 4488 3892 15892d4d3eb84ee95595ac4604045f85cc3e98c4fce097cabf4b04eaf6c7a8e8.exe 97 PID 3892 wrote to memory of 3844 3892 15892d4d3eb84ee95595ac4604045f85cc3e98c4fce097cabf4b04eaf6c7a8e8.exe 100 PID 3892 wrote to memory of 3844 3892 15892d4d3eb84ee95595ac4604045f85cc3e98c4fce097cabf4b04eaf6c7a8e8.exe 100 PID 3844 wrote to memory of 4332 3844 cmd.exe 102 PID 3844 wrote to memory of 4332 3844 cmd.exe 102 PID 3892 wrote to memory of 2592 3892 15892d4d3eb84ee95595ac4604045f85cc3e98c4fce097cabf4b04eaf6c7a8e8.exe 103 PID 3892 wrote to memory of 2592 3892 15892d4d3eb84ee95595ac4604045f85cc3e98c4fce097cabf4b04eaf6c7a8e8.exe 103 PID 3892 wrote to memory of 2592 3892 15892d4d3eb84ee95595ac4604045f85cc3e98c4fce097cabf4b04eaf6c7a8e8.exe 103 PID 3892 wrote to memory of 3112 3892 15892d4d3eb84ee95595ac4604045f85cc3e98c4fce097cabf4b04eaf6c7a8e8.exe 106 PID 3892 wrote to memory of 3112 3892 15892d4d3eb84ee95595ac4604045f85cc3e98c4fce097cabf4b04eaf6c7a8e8.exe 106 PID 3892 wrote to memory of 3112 3892 15892d4d3eb84ee95595ac4604045f85cc3e98c4fce097cabf4b04eaf6c7a8e8.exe 106 PID 3892 wrote to memory of 1184 3892 15892d4d3eb84ee95595ac4604045f85cc3e98c4fce097cabf4b04eaf6c7a8e8.exe 108 PID 3892 wrote to memory of 1184 3892 15892d4d3eb84ee95595ac4604045f85cc3e98c4fce097cabf4b04eaf6c7a8e8.exe 108 PID 3892 wrote to memory of 1184 3892 15892d4d3eb84ee95595ac4604045f85cc3e98c4fce097cabf4b04eaf6c7a8e8.exe 108 PID 1184 wrote to memory of 3500 1184 csrss.exe 109 PID 1184 wrote to memory of 3500 1184 csrss.exe 109 PID 1184 wrote to memory of 3500 1184 csrss.exe 109 PID 1184 wrote to memory of 2068 1184 csrss.exe 116 PID 1184 wrote to memory of 2068 1184 csrss.exe 116 PID 1184 wrote to memory of 2068 1184 csrss.exe 116 PID 1184 wrote to memory of 380 1184 csrss.exe 118 PID 1184 wrote to memory of 380 1184 csrss.exe 118 PID 1184 wrote to memory of 380 1184 csrss.exe 118 PID 1184 wrote to memory of 1940 1184 csrss.exe 120 PID 1184 wrote to memory of 1940 1184 csrss.exe 120 PID 2548 wrote to memory of 3976 2548 windefender.exe 126 PID 2548 wrote to memory of 3976 2548 windefender.exe 126 PID 2548 wrote to memory of 3976 2548 windefender.exe 126 PID 3976 wrote to memory of 4540 3976 cmd.exe 127 PID 3976 wrote to memory of 4540 3976 cmd.exe 127 PID 3976 wrote to memory of 4540 3976 cmd.exe 127 -
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\15892d4d3eb84ee95595ac4604045f85cc3e98c4fce097cabf4b04eaf6c7a8e8.exe"C:\Users\Admin\AppData\Local\Temp\15892d4d3eb84ee95595ac4604045f85cc3e98c4fce097cabf4b04eaf6c7a8e8.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2496 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5028
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C:\Users\Admin\AppData\Local\Temp\15892d4d3eb84ee95595ac4604045f85cc3e98c4fce097cabf4b04eaf6c7a8e8.exe"C:\Users\Admin\AppData\Local\Temp\15892d4d3eb84ee95595ac4604045f85cc3e98c4fce097cabf4b04eaf6c7a8e8.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:3892 -
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:4488
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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:3844 -
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:4332
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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:2592
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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:3112
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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:1184 -
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:3500
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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:60
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4052
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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:2068
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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:380
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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:1940
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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:4004
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2548 -
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:3976 -
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:4540
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4908
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
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50038a94a35f045aba87033f95871634b
SHA1a366439878c6b7b39f0838223c8cda7a4a3d2bc9
SHA256e5eea336828dc78cd94c75a9523fbfcf0a0a0da2586523ff5ba3156ed384e563
SHA51273808184190f18276380d44a5be35ecd517cde5a373b479d1395a53f899c9126903ef436d8b05e85c1ed2f2867638372eedcdf514ba8b6d8e8d42525a4b5ce69
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59afbb7dd23c6fd60783d9beab84d5569
SHA1e3e56151a745da3e7b33d6736ff1192efdbc6d97
SHA256761da17c3895f99cd7006d220ebc6c1b4950f2dbfb8a68004234b71cef89bde2
SHA5120e5fcd58f985d984ddf1d7dc79f42858247a34f3dc2a384c25027e8a319a4528fd180602ca80100ac8b1684b8c99238684704e437c5a04aceb7d5a033c3ecd4a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52f92bf839e923a5cacd581bf1ea9923f
SHA1f106826092d79da399dca836f0ff9a3d0189db5b
SHA2560b1fb7328e08ae82e46f0ef0d1f5949f30e7ef5c29c774c643beadea3dde065b
SHA5129ce8671b6c60a8f1eed544aa2e9f22bc7b232615c4d2ed171380ba614f2ba2c996e38e2219a295a85dff1705dde20532ca1a8db6db26efb66ece420d15a0ea2a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD522277425e2a18645f1ae475408c54392
SHA14199874e9b8e2e41cf916d1689288b0838739a34
SHA256c2690cddb97c3c3866312c6878abfdab98acb8c9a72677402fa92a692292d23a
SHA51216fe9509a164c388be7a9106a4b02d354f4c9f5a515735af0fcc70e045160de6e2894f45de808a944f4845cb7989e2c45f192424f21f080c2740bd1c111afe45
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD523923400e4b6dcfd7603bcd4fda673df
SHA1aac46b0e9abcb199c49c921626de8560e972b794
SHA2562d6bee30dfdf1f15999ee4a5e5ef41f4723b99223944b432f846f8b3af656f42
SHA512fa7a1061ceca51e2552a8f7e5f1a95dcefb7df5a10362020b146abe36014172d1cbf2469fd77980eabda3e0cc4639370a69b9ef857c25cddcb2f3156cba7bd14
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Filesize
4.2MB
MD5122170f6e1d797f4f5d77c58b2fe6c51
SHA195248f218acbd41cb77e785f7082896a4c731f3d
SHA25615892d4d3eb84ee95595ac4604045f85cc3e98c4fce097cabf4b04eaf6c7a8e8
SHA512d6eb342cc3d46400ff3fd1cb408ac901fcb47b7865d7003a44ace2ac5c693c1b80e281897f983ef6580e30dcdad82a4421d32187104e43fa9bd069250fb4f934
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec