Analysis
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max time kernel
152s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
10/04/2024, 15:31
Static task
static1
Behavioral task
behavioral1
Sample
fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe
Resource
win10v2004-20240226-en
General
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Target
fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe
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Size
4.2MB
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MD5
2feff1347e8d8070f7c7fb13a2445769
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SHA1
3613e9a80d23bf7a1baec54c60fa6e66d33c250a
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SHA256
fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1
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SHA512
170037b0c6af14851e9cc435aa9af8b3ea62039f6434a97f9656eaf035af5204c3934bad7d9723d07a8d61e6a09407115cbd1e656254ba7c80c2b7547548eb4a
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SSDEEP
98304:0A2b/gyyoCeaK1nZALAHJsOWqOFSziCqThhMPSDvDpMEvsOH:D2bYyYeaK1ZA827grTPop1vr
Malware Config
Signatures
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Glupteba payload 17 IoCs
resource yara_rule behavioral1/memory/4620-2-0x0000000003050000-0x000000000393B000-memory.dmp family_glupteba behavioral1/memory/4620-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4620-4-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4620-23-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4620-28-0x0000000003050000-0x000000000393B000-memory.dmp family_glupteba behavioral1/memory/4620-34-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4620-59-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4192-63-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4192-96-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4192-106-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4192-155-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4192-158-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4356-178-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4356-230-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4356-265-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4356-274-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4356-276-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3124 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4356 csrss.exe 3936 injector.exe 332 windefender.exe 1988 windefender.exe -
resource yara_rule behavioral1/files/0x0004000000000711-268.dat upx behavioral1/memory/332-273-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1988-275-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\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 fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 3952 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 3548 schtasks.exe 1144 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time" fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time" fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-652 = "AUS Central Standard Time" fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time" fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time" fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.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\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time" fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time" fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time" fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time" fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates 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\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time" fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time" fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time" fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs 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\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time" fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time" fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 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\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time" fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time" fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time" fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time" fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time" fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2572 = "Turks and Caicos Standard Time" fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA 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\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1936 powershell.exe 1936 powershell.exe 4620 fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe 4620 fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe 5032 powershell.exe 5032 powershell.exe 5032 powershell.exe 4192 fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe 4192 fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe 4192 fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe 4192 fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe 4192 fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe 4192 fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe 4192 fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe 4192 fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe 4192 fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe 4192 fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe 4952 powershell.exe 4952 powershell.exe 4952 powershell.exe 872 powershell.exe 872 powershell.exe 872 powershell.exe 5996 powershell.exe 5996 powershell.exe 2428 powershell.exe 2428 powershell.exe 4160 powershell.exe 4160 powershell.exe 3936 injector.exe 3936 injector.exe 3936 injector.exe 3936 injector.exe 3936 injector.exe 3936 injector.exe 4356 csrss.exe 4356 csrss.exe 3936 injector.exe 3936 injector.exe 3936 injector.exe 3936 injector.exe 3936 injector.exe 3936 injector.exe 4356 csrss.exe 4356 csrss.exe 3936 injector.exe 3936 injector.exe 4356 csrss.exe 4356 csrss.exe 3936 injector.exe 3936 injector.exe 3936 injector.exe 3936 injector.exe 3936 injector.exe 3936 injector.exe 3936 injector.exe 3936 injector.exe 3936 injector.exe 3936 injector.exe 3936 injector.exe 3936 injector.exe 3936 injector.exe 3936 injector.exe 3936 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1936 powershell.exe Token: SeDebugPrivilege 4620 fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe Token: SeImpersonatePrivilege 4620 fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe Token: SeDebugPrivilege 5032 powershell.exe Token: SeDebugPrivilege 4952 powershell.exe Token: SeDebugPrivilege 872 powershell.exe Token: SeDebugPrivilege 5996 powershell.exe Token: SeDebugPrivilege 2428 powershell.exe Token: SeDebugPrivilege 4160 powershell.exe Token: SeSystemEnvironmentPrivilege 4356 csrss.exe Token: SeSecurityPrivilege 3952 sc.exe Token: SeSecurityPrivilege 3952 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4620 wrote to memory of 1936 4620 fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe 92 PID 4620 wrote to memory of 1936 4620 fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe 92 PID 4620 wrote to memory of 1936 4620 fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe 92 PID 4192 wrote to memory of 5032 4192 fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe 104 PID 4192 wrote to memory of 5032 4192 fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe 104 PID 4192 wrote to memory of 5032 4192 fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe 104 PID 4192 wrote to memory of 4188 4192 fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe 106 PID 4192 wrote to memory of 4188 4192 fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe 106 PID 4188 wrote to memory of 3124 4188 cmd.exe 108 PID 4188 wrote to memory of 3124 4188 cmd.exe 108 PID 4192 wrote to memory of 4952 4192 fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe 109 PID 4192 wrote to memory of 4952 4192 fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe 109 PID 4192 wrote to memory of 4952 4192 fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe 109 PID 4192 wrote to memory of 872 4192 fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe 111 PID 4192 wrote to memory of 872 4192 fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe 111 PID 4192 wrote to memory of 872 4192 fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe 111 PID 4192 wrote to memory of 4356 4192 fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe 113 PID 4192 wrote to memory of 4356 4192 fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe 113 PID 4192 wrote to memory of 4356 4192 fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe 113 PID 4356 wrote to memory of 5996 4356 csrss.exe 114 PID 4356 wrote to memory of 5996 4356 csrss.exe 114 PID 4356 wrote to memory of 5996 4356 csrss.exe 114 PID 4356 wrote to memory of 2428 4356 csrss.exe 120 PID 4356 wrote to memory of 2428 4356 csrss.exe 120 PID 4356 wrote to memory of 2428 4356 csrss.exe 120 PID 4356 wrote to memory of 4160 4356 csrss.exe 122 PID 4356 wrote to memory of 4160 4356 csrss.exe 122 PID 4356 wrote to memory of 4160 4356 csrss.exe 122 PID 4356 wrote to memory of 3936 4356 csrss.exe 124 PID 4356 wrote to memory of 3936 4356 csrss.exe 124 PID 332 wrote to memory of 2204 332 windefender.exe 130 PID 332 wrote to memory of 2204 332 windefender.exe 130 PID 332 wrote to memory of 2204 332 windefender.exe 130 PID 2204 wrote to memory of 3952 2204 cmd.exe 131 PID 2204 wrote to memory of 3952 2204 cmd.exe 131 PID 2204 wrote to memory of 3952 2204 cmd.exe 131 -
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\fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe"C:\Users\Admin\AppData\Local\Temp\fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4620 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1936
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C:\Users\Admin\AppData\Local\Temp\fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe"C:\Users\Admin\AppData\Local\Temp\fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.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:4192 -
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:5032
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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:4188 -
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:3124
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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:4952
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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:872
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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:4356 -
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:5996
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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:3548
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2212
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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:2428
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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:4160
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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:3936
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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:1144
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:332 -
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:2204 -
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:3952
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3992 --field-trial-handle=2280,i,1836084024518340990,18250262151825427757,262144 --variations-seed-version /prefetch:81⤵PID:3076
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
PID:1988
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
MD5686b62046a8e38d23839061816072612
SHA16d795a134d16c4eb9ca9122ab0de4ef9c9d38255
SHA256bbc0540deba79aa4dc7644a14eebe7790344e5bc17ca8c12df6d946218020ab3
SHA512f8192d2d3ae294557e679ff36bd31197a265929e819319ea5b444c349fcef4e39e98dbefca1ae5d09ed23b14ca9b51687059fef0261d1ab73c1a47d62cf186aa
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD540d815e429de0afccb135edbaa49f168
SHA180bd7bc0167c8f139ce07e7797e53c45e71aec68
SHA2568b7ad28bd0cd1578d01379a2556a1883c78531582cc7c20cb2636bb01575604c
SHA512b041b044c832a11c76873f065abbd894a1037aafd3defc5e70dcc900dfe793989b7920bfa0b3fe98a6c9a5d718ae02191e601c320c060d994273b1650f4daf8b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55c53a909159120dcffd84512f68b588d
SHA12b65b4254ced9c2728b2a5032f151286568ead7f
SHA256c79896a7cc6a6ef733e2c9b91cc959929ce14ff87aa1c9a1a7ce6f0237dc1818
SHA512bdfb139427b60b0b25cd87cf492d35c0efae77ca53f2044372a7c532355cd4051650b1f02b203218c9f61e3ad64b4b29b00fd3279d642defa30e30aa1c716c7c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5acda708c245db6cca50a5204bddbfc20
SHA126ca39ca233bf0a801825f896131919093bd1acd
SHA2562e2cc2ee40db2a43fc6db2b36693504acf4a85612beeac899f667839f10bb7c3
SHA5122e91113607c75a98577c783ad4897b73ce911827c316551aaddab07255afcd519fba1371ce3950dfae9e91be1d1e00beae28a95fd122072db6e650646d525cdb
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52f91c5730a3a5b9fafe34180cc73c960
SHA179dabead814936901c78a1cca65eafa1b3afbf88
SHA25650afec309d4797ed0d603de953652c89da0a425a8d6e854491c3817bc566c982
SHA512000783270e0feecdc96c3a30be6558b4f4fc821a20da9287ad724ee3b499e1d180c6e143ca9bfe3e0c1e076d56f42b226697ba2172f4bc426a1962363d0deef2
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Filesize
4.2MB
MD52feff1347e8d8070f7c7fb13a2445769
SHA13613e9a80d23bf7a1baec54c60fa6e66d33c250a
SHA256fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1
SHA512170037b0c6af14851e9cc435aa9af8b3ea62039f6434a97f9656eaf035af5204c3934bad7d9723d07a8d61e6a09407115cbd1e656254ba7c80c2b7547548eb4a
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec