Analysis
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max time kernel
150s -
max time network
155s -
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, 19:21
Static task
static1
Behavioral task
behavioral1
Sample
5f9ecaf3ad52a536277373da967f50d39fc06806126e5cc46a7c69b875f9005c.exe
Resource
win10v2004-20240412-en
General
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Target
5f9ecaf3ad52a536277373da967f50d39fc06806126e5cc46a7c69b875f9005c.exe
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Size
4.2MB
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MD5
f454360d3dd334dfca7c586a14a26dd5
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SHA1
52fa5fad21d38da0254aff907ee0cf7f54123a98
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SHA256
5f9ecaf3ad52a536277373da967f50d39fc06806126e5cc46a7c69b875f9005c
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SHA512
17d29715524640d6e886c4d2fed27a7233531ae18d7b9ca1e4e6fe6b2308c0820a3cb07dfbb6f7f98b33f7de559b9764a191d4adde6b16dc69299bf42e8b4ec5
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SSDEEP
98304:Lz8muvG4/7oo98xMphVIqHAQJ7eNfIWzS5gC960Xfu6ti9vBy29s:LzvuvT/7/zVIWAQdeNfIWzX0W6tA42S
Malware Config
Signatures
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Glupteba payload 21 IoCs
resource yara_rule behavioral2/memory/5116-2-0x0000000005360000-0x0000000005C4B000-memory.dmp family_glupteba behavioral2/memory/5116-3-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/5116-28-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/5116-52-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/5116-54-0x0000000005360000-0x0000000005C4B000-memory.dmp family_glupteba behavioral2/memory/2520-56-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/2520-84-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/2520-89-0x0000000004E30000-0x0000000005232000-memory.dmp family_glupteba behavioral2/memory/2520-103-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/2520-117-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/2520-147-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/4636-197-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/4636-245-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/4636-249-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/4636-256-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/4636-258-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/4636-260-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/4636-262-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/4636-264-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/4636-266-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/4636-268-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4284 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4636 csrss.exe 3196 injector.exe 4764 windefender.exe 4472 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa1e-248.dat upx behavioral2/memory/4764-255-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4472-257-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4472-261-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2516240262-2296879883-3965305654-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 5f9ecaf3ad52a536277373da967f50d39fc06806126e5cc46a7c69b875f9005c.exe Set value (str) \REGISTRY\USER\S-1-5-21-2516240262-2296879883-3965305654-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 5f9ecaf3ad52a536277373da967f50d39fc06806126e5cc46a7c69b875f9005c.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 5f9ecaf3ad52a536277373da967f50d39fc06806126e5cc46a7c69b875f9005c.exe File created C:\Windows\rss\csrss.exe 5f9ecaf3ad52a536277373da967f50d39fc06806126e5cc46a7c69b875f9005c.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 3344 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 4796 schtasks.exe 3668 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople 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,-891 = "Morocco Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time" 5f9ecaf3ad52a536277373da967f50d39fc06806126e5cc46a7c69b875f9005c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time" 5f9ecaf3ad52a536277373da967f50d39fc06806126e5cc46a7c69b875f9005c.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,-435 = "Georgian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2342 = "Haiti Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2491 = "Aus Central W. Daylight Time" 5f9ecaf3ad52a536277373da967f50d39fc06806126e5cc46a7c69b875f9005c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed 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\@tzres.dll,-571 = "China 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,-3052 = "Qyzylorda Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time" 5f9ecaf3ad52a536277373da967f50d39fc06806126e5cc46a7c69b875f9005c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs 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" 5f9ecaf3ad52a536277373da967f50d39fc06806126e5cc46a7c69b875f9005c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-431 = "Iran Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-911 = "Mauritius Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time" 5f9ecaf3ad52a536277373da967f50d39fc06806126e5cc46a7c69b875f9005c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time" 5f9ecaf3ad52a536277373da967f50d39fc06806126e5cc46a7c69b875f9005c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-412 = "E. Africa Standard Time" windefender.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,-382 = "South Africa Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs 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,-1871 = "Russia TZ 7 Daylight Time" 5f9ecaf3ad52a536277373da967f50d39fc06806126e5cc46a7c69b875f9005c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs 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\@tzres.dll,-251 = "Dateline Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" 5f9ecaf3ad52a536277373da967f50d39fc06806126e5cc46a7c69b875f9005c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" 5f9ecaf3ad52a536277373da967f50d39fc06806126e5cc46a7c69b875f9005c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\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\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2412 = "Marquesas Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" 5f9ecaf3ad52a536277373da967f50d39fc06806126e5cc46a7c69b875f9005c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time" 5f9ecaf3ad52a536277373da967f50d39fc06806126e5cc46a7c69b875f9005c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2941 = "Sao Tome Daylight 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\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\@tzres.dll,-572 = "China Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-301 = "Romance Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" 5f9ecaf3ad52a536277373da967f50d39fc06806126e5cc46a7c69b875f9005c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time" 5f9ecaf3ad52a536277373da967f50d39fc06806126e5cc46a7c69b875f9005c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\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,-449 = "Azerbaijan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" 5f9ecaf3ad52a536277373da967f50d39fc06806126e5cc46a7c69b875f9005c.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\@tzres.dll,-261 = "GMT Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" 5f9ecaf3ad52a536277373da967f50d39fc06806126e5cc46a7c69b875f9005c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1012 powershell.exe 1012 powershell.exe 5116 5f9ecaf3ad52a536277373da967f50d39fc06806126e5cc46a7c69b875f9005c.exe 5116 5f9ecaf3ad52a536277373da967f50d39fc06806126e5cc46a7c69b875f9005c.exe 944 powershell.exe 944 powershell.exe 2520 5f9ecaf3ad52a536277373da967f50d39fc06806126e5cc46a7c69b875f9005c.exe 2520 5f9ecaf3ad52a536277373da967f50d39fc06806126e5cc46a7c69b875f9005c.exe 2520 5f9ecaf3ad52a536277373da967f50d39fc06806126e5cc46a7c69b875f9005c.exe 2520 5f9ecaf3ad52a536277373da967f50d39fc06806126e5cc46a7c69b875f9005c.exe 2520 5f9ecaf3ad52a536277373da967f50d39fc06806126e5cc46a7c69b875f9005c.exe 2520 5f9ecaf3ad52a536277373da967f50d39fc06806126e5cc46a7c69b875f9005c.exe 2520 5f9ecaf3ad52a536277373da967f50d39fc06806126e5cc46a7c69b875f9005c.exe 2520 5f9ecaf3ad52a536277373da967f50d39fc06806126e5cc46a7c69b875f9005c.exe 2520 5f9ecaf3ad52a536277373da967f50d39fc06806126e5cc46a7c69b875f9005c.exe 2520 5f9ecaf3ad52a536277373da967f50d39fc06806126e5cc46a7c69b875f9005c.exe 4036 powershell.exe 4036 powershell.exe 5052 powershell.exe 5052 powershell.exe 3200 powershell.exe 3200 powershell.exe 1436 powershell.exe 1436 powershell.exe 976 powershell.exe 976 powershell.exe 3196 injector.exe 3196 injector.exe 3196 injector.exe 3196 injector.exe 3196 injector.exe 3196 injector.exe 3196 injector.exe 3196 injector.exe 4636 csrss.exe 4636 csrss.exe 3196 injector.exe 3196 injector.exe 3196 injector.exe 3196 injector.exe 4636 csrss.exe 4636 csrss.exe 3196 injector.exe 3196 injector.exe 3196 injector.exe 3196 injector.exe 4636 csrss.exe 4636 csrss.exe 3196 injector.exe 3196 injector.exe 3196 injector.exe 3196 injector.exe 3196 injector.exe 3196 injector.exe 3196 injector.exe 3196 injector.exe 3196 injector.exe 3196 injector.exe 3196 injector.exe 3196 injector.exe 3196 injector.exe 3196 injector.exe 3196 injector.exe 3196 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1012 powershell.exe Token: SeDebugPrivilege 5116 5f9ecaf3ad52a536277373da967f50d39fc06806126e5cc46a7c69b875f9005c.exe Token: SeImpersonatePrivilege 5116 5f9ecaf3ad52a536277373da967f50d39fc06806126e5cc46a7c69b875f9005c.exe Token: SeDebugPrivilege 944 powershell.exe Token: SeDebugPrivilege 4036 powershell.exe Token: SeDebugPrivilege 5052 powershell.exe Token: SeDebugPrivilege 3200 powershell.exe Token: SeDebugPrivilege 1436 powershell.exe Token: SeDebugPrivilege 976 powershell.exe Token: SeSystemEnvironmentPrivilege 4636 csrss.exe Token: SeSecurityPrivilege 3344 sc.exe Token: SeSecurityPrivilege 3344 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 5116 wrote to memory of 1012 5116 5f9ecaf3ad52a536277373da967f50d39fc06806126e5cc46a7c69b875f9005c.exe 82 PID 5116 wrote to memory of 1012 5116 5f9ecaf3ad52a536277373da967f50d39fc06806126e5cc46a7c69b875f9005c.exe 82 PID 5116 wrote to memory of 1012 5116 5f9ecaf3ad52a536277373da967f50d39fc06806126e5cc46a7c69b875f9005c.exe 82 PID 2520 wrote to memory of 944 2520 5f9ecaf3ad52a536277373da967f50d39fc06806126e5cc46a7c69b875f9005c.exe 87 PID 2520 wrote to memory of 944 2520 5f9ecaf3ad52a536277373da967f50d39fc06806126e5cc46a7c69b875f9005c.exe 87 PID 2520 wrote to memory of 944 2520 5f9ecaf3ad52a536277373da967f50d39fc06806126e5cc46a7c69b875f9005c.exe 87 PID 2520 wrote to memory of 4764 2520 5f9ecaf3ad52a536277373da967f50d39fc06806126e5cc46a7c69b875f9005c.exe 89 PID 2520 wrote to memory of 4764 2520 5f9ecaf3ad52a536277373da967f50d39fc06806126e5cc46a7c69b875f9005c.exe 89 PID 4764 wrote to memory of 4284 4764 cmd.exe 91 PID 4764 wrote to memory of 4284 4764 cmd.exe 91 PID 2520 wrote to memory of 4036 2520 5f9ecaf3ad52a536277373da967f50d39fc06806126e5cc46a7c69b875f9005c.exe 92 PID 2520 wrote to memory of 4036 2520 5f9ecaf3ad52a536277373da967f50d39fc06806126e5cc46a7c69b875f9005c.exe 92 PID 2520 wrote to memory of 4036 2520 5f9ecaf3ad52a536277373da967f50d39fc06806126e5cc46a7c69b875f9005c.exe 92 PID 2520 wrote to memory of 5052 2520 5f9ecaf3ad52a536277373da967f50d39fc06806126e5cc46a7c69b875f9005c.exe 94 PID 2520 wrote to memory of 5052 2520 5f9ecaf3ad52a536277373da967f50d39fc06806126e5cc46a7c69b875f9005c.exe 94 PID 2520 wrote to memory of 5052 2520 5f9ecaf3ad52a536277373da967f50d39fc06806126e5cc46a7c69b875f9005c.exe 94 PID 2520 wrote to memory of 4636 2520 5f9ecaf3ad52a536277373da967f50d39fc06806126e5cc46a7c69b875f9005c.exe 96 PID 2520 wrote to memory of 4636 2520 5f9ecaf3ad52a536277373da967f50d39fc06806126e5cc46a7c69b875f9005c.exe 96 PID 2520 wrote to memory of 4636 2520 5f9ecaf3ad52a536277373da967f50d39fc06806126e5cc46a7c69b875f9005c.exe 96 PID 4636 wrote to memory of 3200 4636 csrss.exe 97 PID 4636 wrote to memory of 3200 4636 csrss.exe 97 PID 4636 wrote to memory of 3200 4636 csrss.exe 97 PID 4636 wrote to memory of 1436 4636 csrss.exe 103 PID 4636 wrote to memory of 1436 4636 csrss.exe 103 PID 4636 wrote to memory of 1436 4636 csrss.exe 103 PID 4636 wrote to memory of 976 4636 csrss.exe 105 PID 4636 wrote to memory of 976 4636 csrss.exe 105 PID 4636 wrote to memory of 976 4636 csrss.exe 105 PID 4636 wrote to memory of 3196 4636 csrss.exe 107 PID 4636 wrote to memory of 3196 4636 csrss.exe 107 PID 4764 wrote to memory of 3744 4764 windefender.exe 113 PID 4764 wrote to memory of 3744 4764 windefender.exe 113 PID 4764 wrote to memory of 3744 4764 windefender.exe 113 PID 3744 wrote to memory of 3344 3744 cmd.exe 114 PID 3744 wrote to memory of 3344 3744 cmd.exe 114 PID 3744 wrote to memory of 3344 3744 cmd.exe 114 -
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\5f9ecaf3ad52a536277373da967f50d39fc06806126e5cc46a7c69b875f9005c.exe"C:\Users\Admin\AppData\Local\Temp\5f9ecaf3ad52a536277373da967f50d39fc06806126e5cc46a7c69b875f9005c.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5116 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1012
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C:\Users\Admin\AppData\Local\Temp\5f9ecaf3ad52a536277373da967f50d39fc06806126e5cc46a7c69b875f9005c.exe"C:\Users\Admin\AppData\Local\Temp\5f9ecaf3ad52a536277373da967f50d39fc06806126e5cc46a7c69b875f9005c.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:2520 -
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:944
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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:4764 -
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:4284
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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:4036
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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:5052
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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:4636 -
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:3200
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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:4796
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2540
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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:1436
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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:976
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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:3196
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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:3668
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4764 -
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:3744 -
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:3344
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4472
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a01f00e562b78ecc724829d29b17d3b4
SHA182937d75dba41b1e8d3822118ec9ba43534a6636
SHA256fdb38466cf6124c712d8ca5a8449f5a6c745c9158a9c08880572c73e1a120e75
SHA512a181d9eaaf65e74f2536c4eb949d9418bc7cc562f882b4ff46401c427fb8f327095b6b991e42a638d7176fce0d74ae27f9fcb2afb6e9c5a30b9f6689c96c24c3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5861e639ccda73f267e5e108d52b88b56
SHA1d43665f70ab64ecc793ee26aacadeb91e9185d21
SHA256ed0ed390b70b3759ce7b20c01e1af0b48567f79057485ef791c7bba3e00343c7
SHA5123a3d31379693bfc5bf9e38e0be2b0800f6f54ceb87786a2c57d9ec7be7ce55754d0824cbafe5ceb896d0de9f5341fde27818efb2b146762d103dcf14e112f008
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ca0980d0eaab58a854c98631ea1b3947
SHA171ee7d8e811447e6a58570f4424284d00ece914c
SHA256d747e095b7ba59c081b9006d5cd10c5cd1571d770c8b2283b7343a75c2004349
SHA512f22793d81e52a2a788c58d8512d07eeed30c9d924fe759686452c9a01c8f801afbbbc5cbff9ac898d1f3f57211c2be7f5fbe1c9562d1bc3869010233733f00cb
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD564996330b4049fa76130698fc8f8d291
SHA11ee6fa90a0a4a63c9be63709660dec972458e20d
SHA25668fda95005cd78a96bec145925180fb68de5f5eab3f9bb8623886034d562db5f
SHA5127c44aec86eaff4fbb330ef83e07a8b32856eb6bc645bf3ab04c6fe653cc5530b766ce212512d87a0e3111ddf6db1b9e0a0f2dd2eeff5b0f2fda2789c0cac5f7e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD542044b9014aeca395138d2becc369279
SHA126353383f021be4c0e7a7e8cc27622d4d8d61757
SHA256ecf7bef3b785f9976a6538ddf9aa01436168b796f3eab57628004f024bc70373
SHA5127f13429e86ae624f7c5464e0cbcc993a2e6a1df4d06abe04977451e89766748f6843b0f596f03dd4ec83757fbf7f7fe0b93b942e9b7be1d715608c176efc35b9
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Filesize
4.2MB
MD5f454360d3dd334dfca7c586a14a26dd5
SHA152fa5fad21d38da0254aff907ee0cf7f54123a98
SHA2565f9ecaf3ad52a536277373da967f50d39fc06806126e5cc46a7c69b875f9005c
SHA51217d29715524640d6e886c4d2fed27a7233531ae18d7b9ca1e4e6fe6b2308c0820a3cb07dfbb6f7f98b33f7de559b9764a191d4adde6b16dc69299bf42e8b4ec5
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec