Analysis
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max time kernel
150s -
max time network
124s -
platform
windows11-21h2_x64 -
resource
win11-20240412-en -
resource tags
arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system -
submitted
17/04/2024, 16:00
Static task
static1
Behavioral task
behavioral1
Sample
39e5f969c9d0913d31e2198f9b7926bfd44e7966a24743f43f98d8e6f34f5890.exe
Resource
win10v2004-20240412-en
General
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Target
39e5f969c9d0913d31e2198f9b7926bfd44e7966a24743f43f98d8e6f34f5890.exe
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Size
4.2MB
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MD5
611bed5efb6f16974243d16714b8f5e7
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SHA1
983c358f76644e4832e4a358617d82cef9fe7442
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SHA256
39e5f969c9d0913d31e2198f9b7926bfd44e7966a24743f43f98d8e6f34f5890
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SHA512
e07e7e20fd7f8d5f59851408ebfd8bdfc024d1a2b8b034a7dbb4c98ef3913a32a3c933b5d20bef9a1c2d608c92c77632372730525f4f8a573072b9501cd06cf4
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SSDEEP
98304:uz7Cg0ld9bGpeFIidtQ9zICqBAsCsR7hN5aqRYTU71:k7NcfZtQ9LJEd3aOYT+1
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral2/memory/236-2-0x0000000005380000-0x0000000005C6B000-memory.dmp family_glupteba behavioral2/memory/236-3-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral2/memory/4776-52-0x0000000005220000-0x0000000005B0B000-memory.dmp family_glupteba behavioral2/memory/4776-53-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral2/memory/236-64-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral2/memory/4776-125-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral2/memory/4776-143-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral2/memory/1680-239-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral2/memory/1680-249-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral2/memory/1680-251-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral2/memory/1680-254-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral2/memory/1680-258-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral2/memory/1680-261-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral2/memory/1680-264-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral2/memory/1680-267-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral2/memory/1680-270-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral2/memory/1680-272-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral2/memory/1680-275-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral2/memory/1680-279-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral2/memory/1680-282-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2580 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1680 csrss.exe 1080 injector.exe 2900 windefender.exe 4988 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a9bc-243.dat upx behavioral2/memory/2900-248-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4988-252-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4988-257-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3263309122-2820180308-3568046652-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 39e5f969c9d0913d31e2198f9b7926bfd44e7966a24743f43f98d8e6f34f5890.exe Set value (str) \REGISTRY\USER\S-1-5-21-3263309122-2820180308-3568046652-1000\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 39e5f969c9d0913d31e2198f9b7926bfd44e7966a24743f43f98d8e6f34f5890.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe 39e5f969c9d0913d31e2198f9b7926bfd44e7966a24743f43f98d8e6f34f5890.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 39e5f969c9d0913d31e2198f9b7926bfd44e7966a24743f43f98d8e6f34f5890.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 2020 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 4536 schtasks.exe 2716 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\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time" 39e5f969c9d0913d31e2198f9b7926bfd44e7966a24743f43f98d8e6f34f5890.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" 39e5f969c9d0913d31e2198f9b7926bfd44e7966a24743f43f98d8e6f34f5890.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time" 39e5f969c9d0913d31e2198f9b7926bfd44e7966a24743f43f98d8e6f34f5890.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs 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,-81 = "Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time" 39e5f969c9d0913d31e2198f9b7926bfd44e7966a24743f43f98d8e6f34f5890.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" 39e5f969c9d0913d31e2198f9b7926bfd44e7966a24743f43f98d8e6f34f5890.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-621 = "Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-449 = "Azerbaijan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1021 = "Bangladesh Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-352 = "FLE Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-931 = "Coordinated Universal Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-391 = "Arab Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-105 = "Central Brazilian Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates 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\@tzres.dll,-271 = "Greenwich Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time" 39e5f969c9d0913d31e2198f9b7926bfd44e7966a24743f43f98d8e6f34f5890.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" 39e5f969c9d0913d31e2198f9b7926bfd44e7966a24743f43f98d8e6f34f5890.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time" 39e5f969c9d0913d31e2198f9b7926bfd44e7966a24743f43f98d8e6f34f5890.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" 39e5f969c9d0913d31e2198f9b7926bfd44e7966a24743f43f98d8e6f34f5890.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time" 39e5f969c9d0913d31e2198f9b7926bfd44e7966a24743f43f98d8e6f34f5890.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time" 39e5f969c9d0913d31e2198f9b7926bfd44e7966a24743f43f98d8e6f34f5890.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time" 39e5f969c9d0913d31e2198f9b7926bfd44e7966a24743f43f98d8e6f34f5890.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" 39e5f969c9d0913d31e2198f9b7926bfd44e7966a24743f43f98d8e6f34f5890.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs 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\@tzres.dll,-1502 = "Turkey Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs 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\@tzres.dll,-402 = "Arabic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-231 = "Hawaiian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" 39e5f969c9d0913d31e2198f9b7926bfd44e7966a24743f43f98d8e6f34f5890.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2871 = "Magallanes Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-932 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2791 = "Novosibirsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2141 = "Transbaikal Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" 39e5f969c9d0913d31e2198f9b7926bfd44e7966a24743f43f98d8e6f34f5890.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-141 = "Canada Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-572 = "China Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time" 39e5f969c9d0913d31e2198f9b7926bfd44e7966a24743f43f98d8e6f34f5890.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" 39e5f969c9d0913d31e2198f9b7926bfd44e7966a24743f43f98d8e6f34f5890.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-491 = "India Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2632 = "Norfolk Standard Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 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\@tzres.dll,-2372 = "Easter Island Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1360 powershell.exe 1360 powershell.exe 236 39e5f969c9d0913d31e2198f9b7926bfd44e7966a24743f43f98d8e6f34f5890.exe 236 39e5f969c9d0913d31e2198f9b7926bfd44e7966a24743f43f98d8e6f34f5890.exe 3556 powershell.exe 3556 powershell.exe 4776 39e5f969c9d0913d31e2198f9b7926bfd44e7966a24743f43f98d8e6f34f5890.exe 4776 39e5f969c9d0913d31e2198f9b7926bfd44e7966a24743f43f98d8e6f34f5890.exe 4776 39e5f969c9d0913d31e2198f9b7926bfd44e7966a24743f43f98d8e6f34f5890.exe 4776 39e5f969c9d0913d31e2198f9b7926bfd44e7966a24743f43f98d8e6f34f5890.exe 4776 39e5f969c9d0913d31e2198f9b7926bfd44e7966a24743f43f98d8e6f34f5890.exe 4776 39e5f969c9d0913d31e2198f9b7926bfd44e7966a24743f43f98d8e6f34f5890.exe 4776 39e5f969c9d0913d31e2198f9b7926bfd44e7966a24743f43f98d8e6f34f5890.exe 4776 39e5f969c9d0913d31e2198f9b7926bfd44e7966a24743f43f98d8e6f34f5890.exe 4776 39e5f969c9d0913d31e2198f9b7926bfd44e7966a24743f43f98d8e6f34f5890.exe 4776 39e5f969c9d0913d31e2198f9b7926bfd44e7966a24743f43f98d8e6f34f5890.exe 4556 powershell.exe 4556 powershell.exe 1904 powershell.exe 1904 powershell.exe 476 powershell.exe 476 powershell.exe 3840 powershell.exe 3840 powershell.exe 2568 powershell.exe 2568 powershell.exe 1080 injector.exe 1080 injector.exe 1080 injector.exe 1080 injector.exe 1080 injector.exe 1080 injector.exe 1680 csrss.exe 1680 csrss.exe 1080 injector.exe 1080 injector.exe 1080 injector.exe 1080 injector.exe 1080 injector.exe 1080 injector.exe 1680 csrss.exe 1680 csrss.exe 1080 injector.exe 1080 injector.exe 1080 injector.exe 1080 injector.exe 1680 csrss.exe 1680 csrss.exe 1080 injector.exe 1080 injector.exe 1080 injector.exe 1080 injector.exe 1080 injector.exe 1080 injector.exe 1080 injector.exe 1080 injector.exe 1080 injector.exe 1080 injector.exe 1080 injector.exe 1080 injector.exe 1080 injector.exe 1080 injector.exe 1080 injector.exe 1080 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1360 powershell.exe Token: SeDebugPrivilege 236 39e5f969c9d0913d31e2198f9b7926bfd44e7966a24743f43f98d8e6f34f5890.exe Token: SeImpersonatePrivilege 236 39e5f969c9d0913d31e2198f9b7926bfd44e7966a24743f43f98d8e6f34f5890.exe Token: SeDebugPrivilege 3556 powershell.exe Token: SeDebugPrivilege 4556 powershell.exe Token: SeDebugPrivilege 1904 powershell.exe Token: SeDebugPrivilege 476 powershell.exe Token: SeDebugPrivilege 3840 powershell.exe Token: SeDebugPrivilege 2568 powershell.exe Token: SeSystemEnvironmentPrivilege 1680 csrss.exe Token: SeSecurityPrivilege 2020 sc.exe Token: SeSecurityPrivilege 2020 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 236 wrote to memory of 1360 236 39e5f969c9d0913d31e2198f9b7926bfd44e7966a24743f43f98d8e6f34f5890.exe 83 PID 236 wrote to memory of 1360 236 39e5f969c9d0913d31e2198f9b7926bfd44e7966a24743f43f98d8e6f34f5890.exe 83 PID 236 wrote to memory of 1360 236 39e5f969c9d0913d31e2198f9b7926bfd44e7966a24743f43f98d8e6f34f5890.exe 83 PID 4776 wrote to memory of 3556 4776 39e5f969c9d0913d31e2198f9b7926bfd44e7966a24743f43f98d8e6f34f5890.exe 88 PID 4776 wrote to memory of 3556 4776 39e5f969c9d0913d31e2198f9b7926bfd44e7966a24743f43f98d8e6f34f5890.exe 88 PID 4776 wrote to memory of 3556 4776 39e5f969c9d0913d31e2198f9b7926bfd44e7966a24743f43f98d8e6f34f5890.exe 88 PID 4776 wrote to memory of 5040 4776 39e5f969c9d0913d31e2198f9b7926bfd44e7966a24743f43f98d8e6f34f5890.exe 90 PID 4776 wrote to memory of 5040 4776 39e5f969c9d0913d31e2198f9b7926bfd44e7966a24743f43f98d8e6f34f5890.exe 90 PID 5040 wrote to memory of 2580 5040 cmd.exe 92 PID 5040 wrote to memory of 2580 5040 cmd.exe 92 PID 4776 wrote to memory of 4556 4776 39e5f969c9d0913d31e2198f9b7926bfd44e7966a24743f43f98d8e6f34f5890.exe 93 PID 4776 wrote to memory of 4556 4776 39e5f969c9d0913d31e2198f9b7926bfd44e7966a24743f43f98d8e6f34f5890.exe 93 PID 4776 wrote to memory of 4556 4776 39e5f969c9d0913d31e2198f9b7926bfd44e7966a24743f43f98d8e6f34f5890.exe 93 PID 4776 wrote to memory of 1904 4776 39e5f969c9d0913d31e2198f9b7926bfd44e7966a24743f43f98d8e6f34f5890.exe 95 PID 4776 wrote to memory of 1904 4776 39e5f969c9d0913d31e2198f9b7926bfd44e7966a24743f43f98d8e6f34f5890.exe 95 PID 4776 wrote to memory of 1904 4776 39e5f969c9d0913d31e2198f9b7926bfd44e7966a24743f43f98d8e6f34f5890.exe 95 PID 4776 wrote to memory of 1680 4776 39e5f969c9d0913d31e2198f9b7926bfd44e7966a24743f43f98d8e6f34f5890.exe 97 PID 4776 wrote to memory of 1680 4776 39e5f969c9d0913d31e2198f9b7926bfd44e7966a24743f43f98d8e6f34f5890.exe 97 PID 4776 wrote to memory of 1680 4776 39e5f969c9d0913d31e2198f9b7926bfd44e7966a24743f43f98d8e6f34f5890.exe 97 PID 1680 wrote to memory of 476 1680 csrss.exe 98 PID 1680 wrote to memory of 476 1680 csrss.exe 98 PID 1680 wrote to memory of 476 1680 csrss.exe 98 PID 1680 wrote to memory of 3840 1680 csrss.exe 103 PID 1680 wrote to memory of 3840 1680 csrss.exe 103 PID 1680 wrote to memory of 3840 1680 csrss.exe 103 PID 1680 wrote to memory of 2568 1680 csrss.exe 106 PID 1680 wrote to memory of 2568 1680 csrss.exe 106 PID 1680 wrote to memory of 2568 1680 csrss.exe 106 PID 1680 wrote to memory of 1080 1680 csrss.exe 108 PID 1680 wrote to memory of 1080 1680 csrss.exe 108 PID 2900 wrote to memory of 4576 2900 windefender.exe 114 PID 2900 wrote to memory of 4576 2900 windefender.exe 114 PID 2900 wrote to memory of 4576 2900 windefender.exe 114 PID 4576 wrote to memory of 2020 4576 cmd.exe 115 PID 4576 wrote to memory of 2020 4576 cmd.exe 115 PID 4576 wrote to memory of 2020 4576 cmd.exe 115 -
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\39e5f969c9d0913d31e2198f9b7926bfd44e7966a24743f43f98d8e6f34f5890.exe"C:\Users\Admin\AppData\Local\Temp\39e5f969c9d0913d31e2198f9b7926bfd44e7966a24743f43f98d8e6f34f5890.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:236 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1360
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C:\Users\Admin\AppData\Local\Temp\39e5f969c9d0913d31e2198f9b7926bfd44e7966a24743f43f98d8e6f34f5890.exe"C:\Users\Admin\AppData\Local\Temp\39e5f969c9d0913d31e2198f9b7926bfd44e7966a24743f43f98d8e6f34f5890.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:4776 -
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:3556
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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:5040 -
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:2580
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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:4556
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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:1904
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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:1680 -
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:476
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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:4536
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3828
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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:3840
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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:2568
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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:1080
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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:2716
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2900 -
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:4576 -
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:2020
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4988
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57b89f18908a43c369e1d0800efa43a17
SHA10a37cac6b86a4313d30ecad52aaee79d618fc311
SHA2569aa9e1364fa1d78ba735ff84a3c5da156afe5e8ac9e704d45dea122cf1724aba
SHA5127d54f66ec571b043c3106fc7c854ee93726b6e22a110fc62ab0772a819438be0df32be5e8db8219f6601b65f92d2f31041a9dd5b3e98d08557e143c78c34c3a6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD508b631e2f0a18f8a9a397eb0e53bce67
SHA107d58c9ec091672096767b67f61ef0a8c2289643
SHA256d130025d641a0739f9b03a8d323625f6688c4ca46c3be4989d13cbb8e0003be8
SHA512fb36ac6585e9c88957ee74cc72789bf81e41e87b44d7e959cce36d7b4fe0d6e176f3075f97c2eefdbf192ef28451c1d6bfd78ec4904ad1874d006295d1de3e35
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5cf80582a7379b9a7c2deadccb7fb23d2
SHA118d4cd5e5c0f99b09ee12d29dcf4a11c9cb72b3c
SHA25629efdce19e72552fb136c064067194189de3b082840df626289ec6217ea89305
SHA5121fab0f4eab3c70262598c1d9f17798d46e4860576aa870364126f2db1227dfd467891b71e464922850d7df9a0c47b5945780b113c95d6d61bced60febaae2a6e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51f43e9615198ac2def68b395140bcb67
SHA12b560152a0f66d925085fe43631ded236e38ec1d
SHA2565ba373102854cd53d654de0ead035fabc0d7b7a79caf45b2604b057e9c7e558c
SHA512b885559ab5dfa0dca26c30d7a489c569bc3dfd2df3ab6a8c5a431f26a91361c90d4aced58e94f9c45deb5305395c8d5e1872b59df21a1b8a6ece39c052b6fd62
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5547af6e54a0dddf4fb502e605d38c375
SHA1519d8b4b4330a12b3b85a8068d3a96ed87588bb5
SHA256e4c899b76cc41fa402e6d8501124f37394e566d780df6598874be6b2f771ac05
SHA512b74463dfcb81a0e7e57770fdbf2a5387e3abcb95f166cd57688ebde5c7708c3481c09f2b36559829a2cc858144e28ccadbb4b68e2901e1c62d3e575f14f98ee5
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Filesize
4.2MB
MD5611bed5efb6f16974243d16714b8f5e7
SHA1983c358f76644e4832e4a358617d82cef9fe7442
SHA25639e5f969c9d0913d31e2198f9b7926bfd44e7966a24743f43f98d8e6f34f5890
SHA512e07e7e20fd7f8d5f59851408ebfd8bdfc024d1a2b8b034a7dbb4c98ef3913a32a3c933b5d20bef9a1c2d608c92c77632372730525f4f8a573072b9501cd06cf4
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec