Analysis
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max time kernel
150s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
28/05/2023, 17:14
Static task
static1
General
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Target
715ab043f20bd75799ea8a33c5074f63107d6a68ab127c9a9a0425f6f0340f5f.exe
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Size
4.2MB
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MD5
6e344435fd15aea44d06fb5e5f0c7d66
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SHA1
ea6b42ec609906537016356bf51a37b39912a874
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SHA256
715ab043f20bd75799ea8a33c5074f63107d6a68ab127c9a9a0425f6f0340f5f
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SHA512
e629d0f0a808bb4bc67ccbedaaff0140ec3e460c69d9cb368215e97ee7c017981d0a1a1f91afc9d72cf26b058b51277c7cc47b074c93f16f3762b932217b9bbf
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SSDEEP
98304:6tF4ah6fnbBWKRFjbBoWQaZBcADzh9LZIm9riDYPhtZ9:1c6foKbBzDcADzhht5z
Malware Config
Signatures
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Glupteba payload 17 IoCs
resource yara_rule behavioral1/memory/3364-134-0x0000000002EA0000-0x000000000378B000-memory.dmp family_glupteba behavioral1/memory/3364-173-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3364-180-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1864-232-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1864-264-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4852-318-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4852-350-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4852-351-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4852-352-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4852-353-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4852-354-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4852-355-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4852-356-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4852-357-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4852-358-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4852-359-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4852-360-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 816 netsh.exe -
Executes dropped EXE 2 IoCs
pid Process 4852 csrss.exe 4280 injector.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 715ab043f20bd75799ea8a33c5074f63107d6a68ab127c9a9a0425f6f0340f5f.exe Set value (str) \REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 715ab043f20bd75799ea8a33c5074f63107d6a68ab127c9a9a0425f6f0340f5f.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\rss 715ab043f20bd75799ea8a33c5074f63107d6a68ab127c9a9a0425f6f0340f5f.exe File created C:\Windows\rss\csrss.exe 715ab043f20bd75799ea8a33c5074f63107d6a68ab127c9a9a0425f6f0340f5f.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 3228 3364 WerFault.exe 83 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3696 schtasks.exe 1424 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time" 715ab043f20bd75799ea8a33c5074f63107d6a68ab127c9a9a0425f6f0340f5f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" 715ab043f20bd75799ea8a33c5074f63107d6a68ab127c9a9a0425f6f0340f5f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" 715ab043f20bd75799ea8a33c5074f63107d6a68ab127c9a9a0425f6f0340f5f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time" 715ab043f20bd75799ea8a33c5074f63107d6a68ab127c9a9a0425f6f0340f5f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" 715ab043f20bd75799ea8a33c5074f63107d6a68ab127c9a9a0425f6f0340f5f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA 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\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" 715ab043f20bd75799ea8a33c5074f63107d6a68ab127c9a9a0425f6f0340f5f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" 715ab043f20bd75799ea8a33c5074f63107d6a68ab127c9a9a0425f6f0340f5f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)" 715ab043f20bd75799ea8a33c5074f63107d6a68ab127c9a9a0425f6f0340f5f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" 715ab043f20bd75799ea8a33c5074f63107d6a68ab127c9a9a0425f6f0340f5f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA 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\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time" 715ab043f20bd75799ea8a33c5074f63107d6a68ab127c9a9a0425f6f0340f5f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" 715ab043f20bd75799ea8a33c5074f63107d6a68ab127c9a9a0425f6f0340f5f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" 715ab043f20bd75799ea8a33c5074f63107d6a68ab127c9a9a0425f6f0340f5f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" 715ab043f20bd75799ea8a33c5074f63107d6a68ab127c9a9a0425f6f0340f5f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1862 = "Russia TZ 6 Standard Time" 715ab043f20bd75799ea8a33c5074f63107d6a68ab127c9a9a0425f6f0340f5f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" 715ab043f20bd75799ea8a33c5074f63107d6a68ab127c9a9a0425f6f0340f5f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" 715ab043f20bd75799ea8a33c5074f63107d6a68ab127c9a9a0425f6f0340f5f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" 715ab043f20bd75799ea8a33c5074f63107d6a68ab127c9a9a0425f6f0340f5f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time" 715ab043f20bd75799ea8a33c5074f63107d6a68ab127c9a9a0425f6f0340f5f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time" 715ab043f20bd75799ea8a33c5074f63107d6a68ab127c9a9a0425f6f0340f5f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time" 715ab043f20bd75799ea8a33c5074f63107d6a68ab127c9a9a0425f6f0340f5f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" 715ab043f20bd75799ea8a33c5074f63107d6a68ab127c9a9a0425f6f0340f5f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" 715ab043f20bd75799ea8a33c5074f63107d6a68ab127c9a9a0425f6f0340f5f.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\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. Standard Time" 715ab043f20bd75799ea8a33c5074f63107d6a68ab127c9a9a0425f6f0340f5f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" 715ab043f20bd75799ea8a33c5074f63107d6a68ab127c9a9a0425f6f0340f5f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" 715ab043f20bd75799ea8a33c5074f63107d6a68ab127c9a9a0425f6f0340f5f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time" 715ab043f20bd75799ea8a33c5074f63107d6a68ab127c9a9a0425f6f0340f5f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time" 715ab043f20bd75799ea8a33c5074f63107d6a68ab127c9a9a0425f6f0340f5f.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3944 powershell.exe 3944 powershell.exe 3364 715ab043f20bd75799ea8a33c5074f63107d6a68ab127c9a9a0425f6f0340f5f.exe 3364 715ab043f20bd75799ea8a33c5074f63107d6a68ab127c9a9a0425f6f0340f5f.exe 1532 powershell.exe 1532 powershell.exe 1864 715ab043f20bd75799ea8a33c5074f63107d6a68ab127c9a9a0425f6f0340f5f.exe 1864 715ab043f20bd75799ea8a33c5074f63107d6a68ab127c9a9a0425f6f0340f5f.exe 1864 715ab043f20bd75799ea8a33c5074f63107d6a68ab127c9a9a0425f6f0340f5f.exe 1864 715ab043f20bd75799ea8a33c5074f63107d6a68ab127c9a9a0425f6f0340f5f.exe 1864 715ab043f20bd75799ea8a33c5074f63107d6a68ab127c9a9a0425f6f0340f5f.exe 1864 715ab043f20bd75799ea8a33c5074f63107d6a68ab127c9a9a0425f6f0340f5f.exe 1864 715ab043f20bd75799ea8a33c5074f63107d6a68ab127c9a9a0425f6f0340f5f.exe 1864 715ab043f20bd75799ea8a33c5074f63107d6a68ab127c9a9a0425f6f0340f5f.exe 1864 715ab043f20bd75799ea8a33c5074f63107d6a68ab127c9a9a0425f6f0340f5f.exe 1864 715ab043f20bd75799ea8a33c5074f63107d6a68ab127c9a9a0425f6f0340f5f.exe 4284 powershell.exe 4284 powershell.exe 1404 powershell.exe 1404 powershell.exe 2196 powershell.exe 2196 powershell.exe 4408 powershell.exe 4408 powershell.exe 5008 powershell.exe 5008 powershell.exe 4280 injector.exe 4280 injector.exe 4280 injector.exe 4280 injector.exe 4280 injector.exe 4280 injector.exe 4852 csrss.exe 4852 csrss.exe 4280 injector.exe 4280 injector.exe 4280 injector.exe 4280 injector.exe 4280 injector.exe 4280 injector.exe 4852 csrss.exe 4852 csrss.exe 4280 injector.exe 4280 injector.exe 4280 injector.exe 4280 injector.exe 4280 injector.exe 4280 injector.exe 4280 injector.exe 4280 injector.exe 4280 injector.exe 4280 injector.exe 4280 injector.exe 4280 injector.exe 4280 injector.exe 4280 injector.exe 4280 injector.exe 4280 injector.exe 4280 injector.exe 4280 injector.exe 4280 injector.exe 4280 injector.exe 4280 injector.exe 4280 injector.exe -
Suspicious use of AdjustPrivilegeToken 10 IoCs
description pid Process Token: SeDebugPrivilege 3944 powershell.exe Token: SeDebugPrivilege 3364 715ab043f20bd75799ea8a33c5074f63107d6a68ab127c9a9a0425f6f0340f5f.exe Token: SeImpersonatePrivilege 3364 715ab043f20bd75799ea8a33c5074f63107d6a68ab127c9a9a0425f6f0340f5f.exe Token: SeDebugPrivilege 1532 powershell.exe Token: SeDebugPrivilege 4284 powershell.exe Token: SeDebugPrivilege 1404 powershell.exe Token: SeDebugPrivilege 2196 powershell.exe Token: SeDebugPrivilege 4408 powershell.exe Token: SeDebugPrivilege 5008 powershell.exe Token: SeSystemEnvironmentPrivilege 4852 csrss.exe -
Suspicious use of WriteProcessMemory 30 IoCs
description pid Process procid_target PID 3364 wrote to memory of 3944 3364 715ab043f20bd75799ea8a33c5074f63107d6a68ab127c9a9a0425f6f0340f5f.exe 84 PID 3364 wrote to memory of 3944 3364 715ab043f20bd75799ea8a33c5074f63107d6a68ab127c9a9a0425f6f0340f5f.exe 84 PID 3364 wrote to memory of 3944 3364 715ab043f20bd75799ea8a33c5074f63107d6a68ab127c9a9a0425f6f0340f5f.exe 84 PID 1864 wrote to memory of 1532 1864 715ab043f20bd75799ea8a33c5074f63107d6a68ab127c9a9a0425f6f0340f5f.exe 94 PID 1864 wrote to memory of 1532 1864 715ab043f20bd75799ea8a33c5074f63107d6a68ab127c9a9a0425f6f0340f5f.exe 94 PID 1864 wrote to memory of 1532 1864 715ab043f20bd75799ea8a33c5074f63107d6a68ab127c9a9a0425f6f0340f5f.exe 94 PID 1864 wrote to memory of 1652 1864 715ab043f20bd75799ea8a33c5074f63107d6a68ab127c9a9a0425f6f0340f5f.exe 98 PID 1864 wrote to memory of 1652 1864 715ab043f20bd75799ea8a33c5074f63107d6a68ab127c9a9a0425f6f0340f5f.exe 98 PID 1652 wrote to memory of 816 1652 cmd.exe 100 PID 1652 wrote to memory of 816 1652 cmd.exe 100 PID 1864 wrote to memory of 4284 1864 715ab043f20bd75799ea8a33c5074f63107d6a68ab127c9a9a0425f6f0340f5f.exe 101 PID 1864 wrote to memory of 4284 1864 715ab043f20bd75799ea8a33c5074f63107d6a68ab127c9a9a0425f6f0340f5f.exe 101 PID 1864 wrote to memory of 4284 1864 715ab043f20bd75799ea8a33c5074f63107d6a68ab127c9a9a0425f6f0340f5f.exe 101 PID 1864 wrote to memory of 1404 1864 715ab043f20bd75799ea8a33c5074f63107d6a68ab127c9a9a0425f6f0340f5f.exe 103 PID 1864 wrote to memory of 1404 1864 715ab043f20bd75799ea8a33c5074f63107d6a68ab127c9a9a0425f6f0340f5f.exe 103 PID 1864 wrote to memory of 1404 1864 715ab043f20bd75799ea8a33c5074f63107d6a68ab127c9a9a0425f6f0340f5f.exe 103 PID 1864 wrote to memory of 4852 1864 715ab043f20bd75799ea8a33c5074f63107d6a68ab127c9a9a0425f6f0340f5f.exe 105 PID 1864 wrote to memory of 4852 1864 715ab043f20bd75799ea8a33c5074f63107d6a68ab127c9a9a0425f6f0340f5f.exe 105 PID 1864 wrote to memory of 4852 1864 715ab043f20bd75799ea8a33c5074f63107d6a68ab127c9a9a0425f6f0340f5f.exe 105 PID 4852 wrote to memory of 2196 4852 csrss.exe 107 PID 4852 wrote to memory of 2196 4852 csrss.exe 107 PID 4852 wrote to memory of 2196 4852 csrss.exe 107 PID 4852 wrote to memory of 4408 4852 csrss.exe 112 PID 4852 wrote to memory of 4408 4852 csrss.exe 112 PID 4852 wrote to memory of 4408 4852 csrss.exe 112 PID 4852 wrote to memory of 5008 4852 csrss.exe 115 PID 4852 wrote to memory of 5008 4852 csrss.exe 115 PID 4852 wrote to memory of 5008 4852 csrss.exe 115 PID 4852 wrote to memory of 4280 4852 csrss.exe 117 PID 4852 wrote to memory of 4280 4852 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\715ab043f20bd75799ea8a33c5074f63107d6a68ab127c9a9a0425f6f0340f5f.exe"C:\Users\Admin\AppData\Local\Temp\715ab043f20bd75799ea8a33c5074f63107d6a68ab127c9a9a0425f6f0340f5f.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3364 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3944
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C:\Users\Admin\AppData\Local\Temp\715ab043f20bd75799ea8a33c5074f63107d6a68ab127c9a9a0425f6f0340f5f.exe"C:\Users\Admin\AppData\Local\Temp\715ab043f20bd75799ea8a33c5074f63107d6a68ab127c9a9a0425f6f0340f5f.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:1864 -
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:1532
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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:1652 -
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:816
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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: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:1404
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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:4852 -
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:2196
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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:1424
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1396
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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:4408
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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:5008
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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:4280
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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:3696
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3364 -s 6482⤵
- Program crash
PID:3228
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 3364 -ip 33641⤵PID:1804
Network
MITRE ATT&CK Enterprise v6
Replay 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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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
MD57808ea23b475f888de8adcb5b5548b1b
SHA1506e0c65ae79a6ade80fb27d2e51edf36c97c672
SHA25633779ae2e64e507051e7f7c7e9ce49313fbd397233fc2dba1538bcc78e153116
SHA51248c25e76e69a1b3ae80fd87611d7e4b6f03c49e91daf564ea306213535e205837988d93ecb4d49ad55fabbeb6a09cc792952dfb65aaa3c82be563b4238643a99
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e36e7b70996322c7a25f13f6b90c6acc
SHA12d61dc395c819b585bd16ff6fc0142bdaa6c9d33
SHA256c096d833013245eae3373f77d7f0be0f2694f809076465b3bc237677b308d967
SHA5128b37555167cd133b364e94945b0cd98faa3f54c0ee5f811a386e2d57b527291c9d08d0717af859683b0fceabe7d5dffae2e2d4980524b6dada65caa497f7306d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD512073ccaca4983b67719d1845bdecb5c
SHA1bc28561abaec9f992fa0f26fe4a26c56071fefad
SHA256d57d7bc515ba6f093cb22fe9c42e72ff21371a3ecee8526e56b6a2025a9c3906
SHA512831be1e1a62ffacf3130c349695c8c0773d89da503bf8c014e771f1834182f9bd417479756b803fc0da0fc815a1025f82b2688a49be64d6f35563c2f11c8fde8
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a9e854a9d2e226bdaa4f54d0b46c7fdb
SHA1d33f0cc7d5a0765ecbbe9696d823cefbaa033190
SHA25658f1c22dd08142a559d03e9658259792bfaa62bb66a5b005f77cd709f4e9d346
SHA5127ac73b97b848454d0eff3625c9ac2a325d83c4894eafd33465504d860f562f7416e7abc44c9f6ae4bc9267350ac841954adb62980f5a5e990e61985f642d5b44
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD595293342776159366d7796ad722cff3a
SHA163673c0d478fe395a8b8d674e4f042dbd7615852
SHA256d36b81526363122779eef34b370c224365393c439089539fe354c26af791b140
SHA5126c44904d51fd2d867a2cd5e6585dacd5ca114a15846f2d02a330cc6cddbbd8c5afcbf3356833021529e3aff639052380db3b97f30d4f9a79fc9937db950709fc
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Filesize
4.2MB
MD56e344435fd15aea44d06fb5e5f0c7d66
SHA1ea6b42ec609906537016356bf51a37b39912a874
SHA256715ab043f20bd75799ea8a33c5074f63107d6a68ab127c9a9a0425f6f0340f5f
SHA512e629d0f0a808bb4bc67ccbedaaff0140ec3e460c69d9cb368215e97ee7c017981d0a1a1f91afc9d72cf26b058b51277c7cc47b074c93f16f3762b932217b9bbf
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Filesize
4.2MB
MD56e344435fd15aea44d06fb5e5f0c7d66
SHA1ea6b42ec609906537016356bf51a37b39912a874
SHA256715ab043f20bd75799ea8a33c5074f63107d6a68ab127c9a9a0425f6f0340f5f
SHA512e629d0f0a808bb4bc67ccbedaaff0140ec3e460c69d9cb368215e97ee7c017981d0a1a1f91afc9d72cf26b058b51277c7cc47b074c93f16f3762b932217b9bbf