Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240419-en -
resource tags
arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system -
submitted
30/04/2024, 17:58
Static task
static1
Behavioral task
behavioral1
Sample
3610f767667500c6a218f78ca2c5fd780294340286e4307de12147a039071461.exe
Resource
win10v2004-20240419-en
General
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Target
3610f767667500c6a218f78ca2c5fd780294340286e4307de12147a039071461.exe
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Size
4.1MB
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MD5
4c305ab8ba5a57c6d884690f88e095fc
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SHA1
fb364c0975f593ab5e9b36bd9f405c9a52fe60b4
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SHA256
3610f767667500c6a218f78ca2c5fd780294340286e4307de12147a039071461
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SHA512
6d21ac3e53414b69a08bc3d31b98af5a6a6adcf20f368960b88285bc068b52f418f8ceb6f70404797f110ff74f1c6db8f5d69515e782369aa5d73d74d46a44ec
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SSDEEP
98304:GmUnerS5zFAwe9KTsAr0OuRiq2zSe1g61PvWIVkllA:4nC9KAfOq2vzHbVkO
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral1/memory/5100-2-0x0000000003E30000-0x000000000471B000-memory.dmp family_glupteba behavioral1/memory/5100-3-0x0000000000400000-0x0000000001DF1000-memory.dmp family_glupteba behavioral1/memory/5100-58-0x0000000003E30000-0x000000000471B000-memory.dmp family_glupteba behavioral1/memory/5100-56-0x0000000000400000-0x0000000001DF1000-memory.dmp family_glupteba behavioral1/memory/1436-149-0x0000000000400000-0x0000000001DF1000-memory.dmp family_glupteba behavioral1/memory/5048-166-0x0000000000400000-0x0000000001DF1000-memory.dmp family_glupteba behavioral1/memory/5048-223-0x0000000000400000-0x0000000001DF1000-memory.dmp family_glupteba behavioral1/memory/5048-225-0x0000000000400000-0x0000000001DF1000-memory.dmp family_glupteba behavioral1/memory/5048-227-0x0000000000400000-0x0000000001DF1000-memory.dmp family_glupteba behavioral1/memory/5048-228-0x0000000000400000-0x0000000001DF1000-memory.dmp family_glupteba behavioral1/memory/5048-231-0x0000000000400000-0x0000000001DF1000-memory.dmp family_glupteba behavioral1/memory/5048-233-0x0000000000400000-0x0000000001DF1000-memory.dmp family_glupteba behavioral1/memory/5048-235-0x0000000000400000-0x0000000001DF1000-memory.dmp family_glupteba behavioral1/memory/5048-236-0x0000000000400000-0x0000000001DF1000-memory.dmp family_glupteba behavioral1/memory/5048-239-0x0000000000400000-0x0000000001DF1000-memory.dmp family_glupteba behavioral1/memory/5048-241-0x0000000000400000-0x0000000001DF1000-memory.dmp family_glupteba behavioral1/memory/5048-243-0x0000000000400000-0x0000000001DF1000-memory.dmp family_glupteba behavioral1/memory/5048-245-0x0000000000400000-0x0000000001DF1000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 5068 netsh.exe -
Executes dropped EXE 2 IoCs
pid Process 5048 csrss.exe 2408 injector.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-17203666-93769886-2545153620-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 3610f767667500c6a218f78ca2c5fd780294340286e4307de12147a039071461.exe Set value (str) \REGISTRY\USER\S-1-5-21-17203666-93769886-2545153620-1000\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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Legitimate hosting services abused for malware hosting/C2 1 TTPs 1 IoCs
flow ioc 22 raw.githubusercontent.com -
Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 3610f767667500c6a218f78ca2c5fd780294340286e4307de12147a039071461.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe 3610f767667500c6a218f78ca2c5fd780294340286e4307de12147a039071461.exe File opened for modification C:\Windows\rss 3610f767667500c6a218f78ca2c5fd780294340286e4307de12147a039071461.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 5100 schtasks.exe 2196 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" 3610f767667500c6a218f78ca2c5fd780294340286e4307de12147a039071461.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" 3610f767667500c6a218f78ca2c5fd780294340286e4307de12147a039071461.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" 3610f767667500c6a218f78ca2c5fd780294340286e4307de12147a039071461.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs 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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time" 3610f767667500c6a218f78ca2c5fd780294340286e4307de12147a039071461.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time" 3610f767667500c6a218f78ca2c5fd780294340286e4307de12147a039071461.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time" 3610f767667500c6a218f78ca2c5fd780294340286e4307de12147a039071461.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time" 3610f767667500c6a218f78ca2c5fd780294340286e4307de12147a039071461.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time" 3610f767667500c6a218f78ca2c5fd780294340286e4307de12147a039071461.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" 3610f767667500c6a218f78ca2c5fd780294340286e4307de12147a039071461.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time" 3610f767667500c6a218f78ca2c5fd780294340286e4307de12147a039071461.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" 3610f767667500c6a218f78ca2c5fd780294340286e4307de12147a039071461.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-221 = "Alaskan Daylight Time" 3610f767667500c6a218f78ca2c5fd780294340286e4307de12147a039071461.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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" 3610f767667500c6a218f78ca2c5fd780294340286e4307de12147a039071461.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time" 3610f767667500c6a218f78ca2c5fd780294340286e4307de12147a039071461.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time" 3610f767667500c6a218f78ca2c5fd780294340286e4307de12147a039071461.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" 3610f767667500c6a218f78ca2c5fd780294340286e4307de12147a039071461.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time" 3610f767667500c6a218f78ca2c5fd780294340286e4307de12147a039071461.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" 3610f767667500c6a218f78ca2c5fd780294340286e4307de12147a039071461.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time" 3610f767667500c6a218f78ca2c5fd780294340286e4307de12147a039071461.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" 3610f767667500c6a218f78ca2c5fd780294340286e4307de12147a039071461.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time" 3610f767667500c6a218f78ca2c5fd780294340286e4307de12147a039071461.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" 3610f767667500c6a218f78ca2c5fd780294340286e4307de12147a039071461.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" 3610f767667500c6a218f78ca2c5fd780294340286e4307de12147a039071461.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time" 3610f767667500c6a218f78ca2c5fd780294340286e4307de12147a039071461.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time" 3610f767667500c6a218f78ca2c5fd780294340286e4307de12147a039071461.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time" 3610f767667500c6a218f78ca2c5fd780294340286e4307de12147a039071461.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" 3610f767667500c6a218f78ca2c5fd780294340286e4307de12147a039071461.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time" 3610f767667500c6a218f78ca2c5fd780294340286e4307de12147a039071461.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time" 3610f767667500c6a218f78ca2c5fd780294340286e4307de12147a039071461.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" 3610f767667500c6a218f78ca2c5fd780294340286e4307de12147a039071461.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" 3610f767667500c6a218f78ca2c5fd780294340286e4307de12147a039071461.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4444 powershell.exe 4444 powershell.exe 5100 3610f767667500c6a218f78ca2c5fd780294340286e4307de12147a039071461.exe 5100 3610f767667500c6a218f78ca2c5fd780294340286e4307de12147a039071461.exe 4764 powershell.exe 4764 powershell.exe 1436 3610f767667500c6a218f78ca2c5fd780294340286e4307de12147a039071461.exe 1436 3610f767667500c6a218f78ca2c5fd780294340286e4307de12147a039071461.exe 1436 3610f767667500c6a218f78ca2c5fd780294340286e4307de12147a039071461.exe 1436 3610f767667500c6a218f78ca2c5fd780294340286e4307de12147a039071461.exe 1436 3610f767667500c6a218f78ca2c5fd780294340286e4307de12147a039071461.exe 1436 3610f767667500c6a218f78ca2c5fd780294340286e4307de12147a039071461.exe 1436 3610f767667500c6a218f78ca2c5fd780294340286e4307de12147a039071461.exe 1436 3610f767667500c6a218f78ca2c5fd780294340286e4307de12147a039071461.exe 1436 3610f767667500c6a218f78ca2c5fd780294340286e4307de12147a039071461.exe 1436 3610f767667500c6a218f78ca2c5fd780294340286e4307de12147a039071461.exe 4380 powershell.exe 4380 powershell.exe 864 powershell.exe 864 powershell.exe 2176 powershell.exe 2176 powershell.exe 4904 powershell.exe 4904 powershell.exe 2332 powershell.exe 2332 powershell.exe 2408 injector.exe 2408 injector.exe 2408 injector.exe 2408 injector.exe 2408 injector.exe 2408 injector.exe 5048 csrss.exe 5048 csrss.exe 2408 injector.exe 2408 injector.exe 2408 injector.exe 2408 injector.exe 2408 injector.exe 2408 injector.exe 5048 csrss.exe 5048 csrss.exe 2408 injector.exe 2408 injector.exe 2408 injector.exe 2408 injector.exe 2408 injector.exe 2408 injector.exe 2408 injector.exe 2408 injector.exe 2408 injector.exe 2408 injector.exe 2408 injector.exe 2408 injector.exe 2408 injector.exe 2408 injector.exe 2408 injector.exe 2408 injector.exe 2408 injector.exe 2408 injector.exe 2408 injector.exe 2408 injector.exe 2408 injector.exe 2408 injector.exe -
Suspicious use of AdjustPrivilegeToken 10 IoCs
description pid Process Token: SeDebugPrivilege 4444 powershell.exe Token: SeDebugPrivilege 5100 3610f767667500c6a218f78ca2c5fd780294340286e4307de12147a039071461.exe Token: SeImpersonatePrivilege 5100 3610f767667500c6a218f78ca2c5fd780294340286e4307de12147a039071461.exe Token: SeDebugPrivilege 4764 powershell.exe Token: SeDebugPrivilege 4380 powershell.exe Token: SeDebugPrivilege 864 powershell.exe Token: SeDebugPrivilege 2176 powershell.exe Token: SeDebugPrivilege 4904 powershell.exe Token: SeDebugPrivilege 2332 powershell.exe Token: SeSystemEnvironmentPrivilege 5048 csrss.exe -
Suspicious use of WriteProcessMemory 30 IoCs
description pid Process procid_target PID 5100 wrote to memory of 4444 5100 3610f767667500c6a218f78ca2c5fd780294340286e4307de12147a039071461.exe 88 PID 5100 wrote to memory of 4444 5100 3610f767667500c6a218f78ca2c5fd780294340286e4307de12147a039071461.exe 88 PID 5100 wrote to memory of 4444 5100 3610f767667500c6a218f78ca2c5fd780294340286e4307de12147a039071461.exe 88 PID 1436 wrote to memory of 4764 1436 3610f767667500c6a218f78ca2c5fd780294340286e4307de12147a039071461.exe 94 PID 1436 wrote to memory of 4764 1436 3610f767667500c6a218f78ca2c5fd780294340286e4307de12147a039071461.exe 94 PID 1436 wrote to memory of 4764 1436 3610f767667500c6a218f78ca2c5fd780294340286e4307de12147a039071461.exe 94 PID 1436 wrote to memory of 2932 1436 3610f767667500c6a218f78ca2c5fd780294340286e4307de12147a039071461.exe 96 PID 1436 wrote to memory of 2932 1436 3610f767667500c6a218f78ca2c5fd780294340286e4307de12147a039071461.exe 96 PID 2932 wrote to memory of 5068 2932 cmd.exe 98 PID 2932 wrote to memory of 5068 2932 cmd.exe 98 PID 1436 wrote to memory of 4380 1436 3610f767667500c6a218f78ca2c5fd780294340286e4307de12147a039071461.exe 99 PID 1436 wrote to memory of 4380 1436 3610f767667500c6a218f78ca2c5fd780294340286e4307de12147a039071461.exe 99 PID 1436 wrote to memory of 4380 1436 3610f767667500c6a218f78ca2c5fd780294340286e4307de12147a039071461.exe 99 PID 1436 wrote to memory of 864 1436 3610f767667500c6a218f78ca2c5fd780294340286e4307de12147a039071461.exe 101 PID 1436 wrote to memory of 864 1436 3610f767667500c6a218f78ca2c5fd780294340286e4307de12147a039071461.exe 101 PID 1436 wrote to memory of 864 1436 3610f767667500c6a218f78ca2c5fd780294340286e4307de12147a039071461.exe 101 PID 1436 wrote to memory of 5048 1436 3610f767667500c6a218f78ca2c5fd780294340286e4307de12147a039071461.exe 103 PID 1436 wrote to memory of 5048 1436 3610f767667500c6a218f78ca2c5fd780294340286e4307de12147a039071461.exe 103 PID 1436 wrote to memory of 5048 1436 3610f767667500c6a218f78ca2c5fd780294340286e4307de12147a039071461.exe 103 PID 5048 wrote to memory of 2176 5048 csrss.exe 104 PID 5048 wrote to memory of 2176 5048 csrss.exe 104 PID 5048 wrote to memory of 2176 5048 csrss.exe 104 PID 5048 wrote to memory of 4904 5048 csrss.exe 110 PID 5048 wrote to memory of 4904 5048 csrss.exe 110 PID 5048 wrote to memory of 4904 5048 csrss.exe 110 PID 5048 wrote to memory of 2332 5048 csrss.exe 113 PID 5048 wrote to memory of 2332 5048 csrss.exe 113 PID 5048 wrote to memory of 2332 5048 csrss.exe 113 PID 5048 wrote to memory of 2408 5048 csrss.exe 117 PID 5048 wrote to memory of 2408 5048 csrss.exe 117 -
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\3610f767667500c6a218f78ca2c5fd780294340286e4307de12147a039071461.exe"C:\Users\Admin\AppData\Local\Temp\3610f767667500c6a218f78ca2c5fd780294340286e4307de12147a039071461.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5100 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4444
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C:\Users\Admin\AppData\Local\Temp\3610f767667500c6a218f78ca2c5fd780294340286e4307de12147a039071461.exe"C:\Users\Admin\AppData\Local\Temp\3610f767667500c6a218f78ca2c5fd780294340286e4307de12147a039071461.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:1436 -
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:4764
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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:2932 -
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:5068
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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:4380
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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:864
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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.
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5048 -
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:2176
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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:5100
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1820
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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:4904
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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:2332
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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:2408
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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:2196
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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
MD592821f31ec3c0124cb6d4434da78c6dd
SHA1449b9a62deb7ea578b00920cfb5b697ad4b21d7b
SHA256ddcafef2850976bf6af155021a85f9cc18f9c23de64d605cc30c275d024f4fda
SHA512b768b9e152a3dffb1926ba0670b209e0372656a713960458123c8e29e6dc509ef3670cc6cc6ba2d3bce95703e791b965d0da0d7ff614717cfc0965dc800b1b7f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5896c0fd7c88f1312ee96aa8e01f20e90
SHA1de8c59d0fb681a3069b534a2bbdcafff5001f3a5
SHA2565ba6b46ea97e8abcdd813cd30e625f506e6e3b07a36aa9b380ba5a2085848d6f
SHA512a3d8aa9e208c8e47efc2fda739bb67829a0a08d3dbf1f0e2a29288aafdcceb9d9bb416cbf35f475562745a8ba0e19f111b7d6427a37754182013ec7731426b0d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d13f5ef80ef9baf7d6802890531179c1
SHA18829c23dc4a55589b84a143dbc5d2ec7d29b70c9
SHA256543a682342cf73a4fc87b04c10086476378ae58d739adf87dbc21da9ff497ac8
SHA5129cae19840f91637cafead3d7e9fe4a50f20b11040e51b9da49d49309931bc9f988cd6032f5bbb8aad1e5297f2cc36373a23cbca9c4093f8a38be2ca616bfad85
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5169ba98790d59e2f92ad17e21961d912
SHA11a41c0f82b424439ade13c612d6ad5b2f2fdeff2
SHA25694253032f7276fb92f775668ab3e6cc006f7c1f87ac68ca220a60aeee3daf933
SHA512078bff82446222eec8b785744ef00c45138f3026ea2e8ce9248954b4e2628f442a7f4b6793f611081334034b2620826ce76aeca9e9594f62377d5a2ac1099b65
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e880694eda962979d8c3ef4eb703ff7e
SHA14fa700b2996371a86d8a799f4077ecee215880cd
SHA256e9cb25c37b1b2a69a5ed4a70b32b5aef2785397bdc1915d4a79cc42091ab5fbe
SHA5122a58c7fad1a8c9a9d070efc3bda4afd9ab6fb90da1344c797ea532d4dd321a56e486db88f4e6abb851009c919ae9de3e74638858ca172dd776dba6a8857dc25d
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Filesize
4.1MB
MD54c305ab8ba5a57c6d884690f88e095fc
SHA1fb364c0975f593ab5e9b36bd9f405c9a52fe60b4
SHA2563610f767667500c6a218f78ca2c5fd780294340286e4307de12147a039071461
SHA5126d21ac3e53414b69a08bc3d31b98af5a6a6adcf20f368960b88285bc068b52f418f8ceb6f70404797f110ff74f1c6db8f5d69515e782369aa5d73d74d46a44ec