Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
03-05-2024 12:58
Static task
static1
Behavioral task
behavioral1
Sample
42357c039270ba12fd007170fb317f954e7f1a7e683fa0e47f7af596df72da8d.exe
Resource
win10v2004-20240426-en
General
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Target
42357c039270ba12fd007170fb317f954e7f1a7e683fa0e47f7af596df72da8d.exe
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Size
4.2MB
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MD5
e26cd86799540bd4595992a421a61dea
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SHA1
cf52ca4b56c075fb8bf5054126e5c3db09ffdfec
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SHA256
42357c039270ba12fd007170fb317f954e7f1a7e683fa0e47f7af596df72da8d
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SHA512
43ffc44c8a02306b2303f855e96d566678dce662f61197ce783024c3670b3db4aeecc6ffd968057089c727545be025b808f4b33bf7f902bca1ec5dc3afcca23d
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SSDEEP
98304:d66HNO0ylQtNh50u8nZN5r+4ZcMdFNSdJaf0a3yQkwIGjeLr:d5zyCNYuQZdcMdFNGa3yIIGjs
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/2800-2-0x0000000003E40000-0x000000000472B000-memory.dmp family_glupteba behavioral1/memory/2800-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2800-117-0x0000000003E40000-0x000000000472B000-memory.dmp family_glupteba behavioral1/memory/2800-115-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral1/memory/1084-181-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral1/memory/2800-182-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2964-216-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral1/memory/2964-226-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral1/memory/2964-231-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral1/memory/2964-234-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral1/memory/2964-238-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral1/memory/2964-242-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral1/memory/2964-247-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral1/memory/2964-250-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral1/memory/2964-254-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral1/memory/2964-258-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral1/memory/2964-263-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral1/memory/2964-266-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral1/memory/2964-270-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 812 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2964 csrss.exe 4520 injector.exe 2188 windefender.exe 768 windefender.exe -
resource yara_rule behavioral1/files/0x000800000002344d-220.dat upx behavioral1/memory/2188-221-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/768-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2188-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/768-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/768-237-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 42357c039270ba12fd007170fb317f954e7f1a7e683fa0e47f7af596df72da8d.exe Set value (str) \REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\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 42357c039270ba12fd007170fb317f954e7f1a7e683fa0e47f7af596df72da8d.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 42357c039270ba12fd007170fb317f954e7f1a7e683fa0e47f7af596df72da8d.exe File created C:\Windows\rss\csrss.exe 42357c039270ba12fd007170fb317f954e7f1a7e683fa0e47f7af596df72da8d.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 396 sc.exe -
pid Process 1044 powershell.exe 1464 powershell.exe 4260 powershell.exe 2704 powershell.exe 4304 powershell.exe 232 powershell.exe 3840 powershell.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 3616 schtasks.exe 2204 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" 42357c039270ba12fd007170fb317f954e7f1a7e683fa0e47f7af596df72da8d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time" 42357c039270ba12fd007170fb317f954e7f1a7e683fa0e47f7af596df72da8d.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\ProxyBypass = "1" powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe 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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" 42357c039270ba12fd007170fb317f954e7f1a7e683fa0e47f7af596df72da8d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" 42357c039270ba12fd007170fb317f954e7f1a7e683fa0e47f7af596df72da8d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-732 = "Fiji Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-434 = "Georgian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-432 = "Iran Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-911 = "Mauritius Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2841 = "Saratov Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs 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\@tzres.dll,-2391 = "Aleutian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-461 = "Afghanistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-111 = "Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-52 = "Greenland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time" 42357c039270ba12fd007170fb317f954e7f1a7e683fa0e47f7af596df72da8d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" 42357c039270ba12fd007170fb317f954e7f1a7e683fa0e47f7af596df72da8d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" 42357c039270ba12fd007170fb317f954e7f1a7e683fa0e47f7af596df72da8d.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\@tzres.dll,-448 = "Azerbaijan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" 42357c039270ba12fd007170fb317f954e7f1a7e683fa0e47f7af596df72da8d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time" 42357c039270ba12fd007170fb317f954e7f1a7e683fa0e47f7af596df72da8d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs 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\2a\52C64B7E\@tzres.dll,-82 = "Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-291 = "Central European Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-741 = "New Zealand Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-532 = "Sri Lanka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time" 42357c039270ba12fd007170fb317f954e7f1a7e683fa0e47f7af596df72da8d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time" 42357c039270ba12fd007170fb317f954e7f1a7e683fa0e47f7af596df72da8d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time" 42357c039270ba12fd007170fb317f954e7f1a7e683fa0e47f7af596df72da8d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs 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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time" 42357c039270ba12fd007170fb317f954e7f1a7e683fa0e47f7af596df72da8d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)" 42357c039270ba12fd007170fb317f954e7f1a7e683fa0e47f7af596df72da8d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-12 = "Azores Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-11 = "Azores Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-602 = "Taipei Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-692 = "Tasmania Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time" 42357c039270ba12fd007170fb317f954e7f1a7e683fa0e47f7af596df72da8d.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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2372 = "Easter Island Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" 42357c039270ba12fd007170fb317f954e7f1a7e683fa0e47f7af596df72da8d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs 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\2a\52C64B7E\@tzres.dll,-2002 = "Cabo Verde Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-662 = "Cen. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-152 = "Central America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-681 = "E. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1721 = "Libya Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time" 42357c039270ba12fd007170fb317f954e7f1a7e683fa0e47f7af596df72da8d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" 42357c039270ba12fd007170fb317f954e7f1a7e683fa0e47f7af596df72da8d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2321 = "Sakhalin Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2704 powershell.exe 2704 powershell.exe 2800 42357c039270ba12fd007170fb317f954e7f1a7e683fa0e47f7af596df72da8d.exe 2800 42357c039270ba12fd007170fb317f954e7f1a7e683fa0e47f7af596df72da8d.exe 4304 powershell.exe 4304 powershell.exe 1084 42357c039270ba12fd007170fb317f954e7f1a7e683fa0e47f7af596df72da8d.exe 1084 42357c039270ba12fd007170fb317f954e7f1a7e683fa0e47f7af596df72da8d.exe 1084 42357c039270ba12fd007170fb317f954e7f1a7e683fa0e47f7af596df72da8d.exe 1084 42357c039270ba12fd007170fb317f954e7f1a7e683fa0e47f7af596df72da8d.exe 1084 42357c039270ba12fd007170fb317f954e7f1a7e683fa0e47f7af596df72da8d.exe 1084 42357c039270ba12fd007170fb317f954e7f1a7e683fa0e47f7af596df72da8d.exe 1084 42357c039270ba12fd007170fb317f954e7f1a7e683fa0e47f7af596df72da8d.exe 1084 42357c039270ba12fd007170fb317f954e7f1a7e683fa0e47f7af596df72da8d.exe 1084 42357c039270ba12fd007170fb317f954e7f1a7e683fa0e47f7af596df72da8d.exe 1084 42357c039270ba12fd007170fb317f954e7f1a7e683fa0e47f7af596df72da8d.exe 232 powershell.exe 232 powershell.exe 3840 powershell.exe 3840 powershell.exe 1044 powershell.exe 1044 powershell.exe 1464 powershell.exe 1464 powershell.exe 4260 powershell.exe 4260 powershell.exe 4520 injector.exe 4520 injector.exe 4520 injector.exe 4520 injector.exe 4520 injector.exe 4520 injector.exe 2964 csrss.exe 2964 csrss.exe 4520 injector.exe 4520 injector.exe 4520 injector.exe 4520 injector.exe 4520 injector.exe 4520 injector.exe 2964 csrss.exe 2964 csrss.exe 4520 injector.exe 4520 injector.exe 2964 csrss.exe 2964 csrss.exe 4520 injector.exe 4520 injector.exe 4520 injector.exe 4520 injector.exe 4520 injector.exe 4520 injector.exe 4520 injector.exe 4520 injector.exe 4520 injector.exe 4520 injector.exe 4520 injector.exe 4520 injector.exe 4520 injector.exe 4520 injector.exe 4520 injector.exe 4520 injector.exe 4520 injector.exe 4520 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2704 powershell.exe Token: SeDebugPrivilege 2800 42357c039270ba12fd007170fb317f954e7f1a7e683fa0e47f7af596df72da8d.exe Token: SeImpersonatePrivilege 2800 42357c039270ba12fd007170fb317f954e7f1a7e683fa0e47f7af596df72da8d.exe Token: SeDebugPrivilege 4304 powershell.exe Token: SeDebugPrivilege 232 powershell.exe Token: SeDebugPrivilege 3840 powershell.exe Token: SeDebugPrivilege 1044 powershell.exe Token: SeDebugPrivilege 1464 powershell.exe Token: SeDebugPrivilege 4260 powershell.exe Token: SeSystemEnvironmentPrivilege 2964 csrss.exe Token: SeSecurityPrivilege 396 sc.exe Token: SeSecurityPrivilege 396 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2800 wrote to memory of 2704 2800 42357c039270ba12fd007170fb317f954e7f1a7e683fa0e47f7af596df72da8d.exe 86 PID 2800 wrote to memory of 2704 2800 42357c039270ba12fd007170fb317f954e7f1a7e683fa0e47f7af596df72da8d.exe 86 PID 2800 wrote to memory of 2704 2800 42357c039270ba12fd007170fb317f954e7f1a7e683fa0e47f7af596df72da8d.exe 86 PID 1084 wrote to memory of 4304 1084 42357c039270ba12fd007170fb317f954e7f1a7e683fa0e47f7af596df72da8d.exe 93 PID 1084 wrote to memory of 4304 1084 42357c039270ba12fd007170fb317f954e7f1a7e683fa0e47f7af596df72da8d.exe 93 PID 1084 wrote to memory of 4304 1084 42357c039270ba12fd007170fb317f954e7f1a7e683fa0e47f7af596df72da8d.exe 93 PID 1084 wrote to memory of 4520 1084 42357c039270ba12fd007170fb317f954e7f1a7e683fa0e47f7af596df72da8d.exe 95 PID 1084 wrote to memory of 4520 1084 42357c039270ba12fd007170fb317f954e7f1a7e683fa0e47f7af596df72da8d.exe 95 PID 4520 wrote to memory of 812 4520 cmd.exe 97 PID 4520 wrote to memory of 812 4520 cmd.exe 97 PID 1084 wrote to memory of 232 1084 42357c039270ba12fd007170fb317f954e7f1a7e683fa0e47f7af596df72da8d.exe 98 PID 1084 wrote to memory of 232 1084 42357c039270ba12fd007170fb317f954e7f1a7e683fa0e47f7af596df72da8d.exe 98 PID 1084 wrote to memory of 232 1084 42357c039270ba12fd007170fb317f954e7f1a7e683fa0e47f7af596df72da8d.exe 98 PID 1084 wrote to memory of 3840 1084 42357c039270ba12fd007170fb317f954e7f1a7e683fa0e47f7af596df72da8d.exe 100 PID 1084 wrote to memory of 3840 1084 42357c039270ba12fd007170fb317f954e7f1a7e683fa0e47f7af596df72da8d.exe 100 PID 1084 wrote to memory of 3840 1084 42357c039270ba12fd007170fb317f954e7f1a7e683fa0e47f7af596df72da8d.exe 100 PID 1084 wrote to memory of 2964 1084 42357c039270ba12fd007170fb317f954e7f1a7e683fa0e47f7af596df72da8d.exe 102 PID 1084 wrote to memory of 2964 1084 42357c039270ba12fd007170fb317f954e7f1a7e683fa0e47f7af596df72da8d.exe 102 PID 1084 wrote to memory of 2964 1084 42357c039270ba12fd007170fb317f954e7f1a7e683fa0e47f7af596df72da8d.exe 102 PID 2964 wrote to memory of 1044 2964 csrss.exe 103 PID 2964 wrote to memory of 1044 2964 csrss.exe 103 PID 2964 wrote to memory of 1044 2964 csrss.exe 103 PID 2964 wrote to memory of 1464 2964 csrss.exe 108 PID 2964 wrote to memory of 1464 2964 csrss.exe 108 PID 2964 wrote to memory of 1464 2964 csrss.exe 108 PID 2964 wrote to memory of 4260 2964 csrss.exe 111 PID 2964 wrote to memory of 4260 2964 csrss.exe 111 PID 2964 wrote to memory of 4260 2964 csrss.exe 111 PID 2964 wrote to memory of 4520 2964 csrss.exe 113 PID 2964 wrote to memory of 4520 2964 csrss.exe 113 PID 2188 wrote to memory of 4124 2188 windefender.exe 120 PID 2188 wrote to memory of 4124 2188 windefender.exe 120 PID 2188 wrote to memory of 4124 2188 windefender.exe 120 PID 4124 wrote to memory of 396 4124 cmd.exe 121 PID 4124 wrote to memory of 396 4124 cmd.exe 121 PID 4124 wrote to memory of 396 4124 cmd.exe 121 -
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\42357c039270ba12fd007170fb317f954e7f1a7e683fa0e47f7af596df72da8d.exe"C:\Users\Admin\AppData\Local\Temp\42357c039270ba12fd007170fb317f954e7f1a7e683fa0e47f7af596df72da8d.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2800 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2704
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C:\Users\Admin\AppData\Local\Temp\42357c039270ba12fd007170fb317f954e7f1a7e683fa0e47f7af596df72da8d.exe"C:\Users\Admin\AppData\Local\Temp\42357c039270ba12fd007170fb317f954e7f1a7e683fa0e47f7af596df72da8d.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:1084 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4304
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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:4520 -
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:812
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:232
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3840
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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:2964 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1044
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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:2204
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3152
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1464
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4260
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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:4520
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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:3616
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2188 -
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:4124 -
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:396
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:768
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
MD51107c3f7876732869390c6994515de69
SHA14b811f819509a6837af88db6c4e47c6ff5499529
SHA2566886a94cc17edb115ffd1dffeb31eef08080bf8e2b1b8766f5686778d62f8d8e
SHA512d3dadff7dc46246adecbeacad414dde8f985a9004efc4ea7d227b3999bb0b5c0c2bc41d79e5fa45a724a816acbf6c23acae39303cf74e33518ca600024863c19
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59d6affdfd4a9c716d99b54acd4ff0b46
SHA154231ea0706c657a387524165e6314a652f10477
SHA256937d227e268c7011900e03c246fc0182bef851b495a0a634ee7777198ba1ce55
SHA512f44783c051fe0825f948ead0074f56bd9df6e4ec3e34615d71fe580d8fc8551060eceedc2c66c961bb91ca0a1d4604c03da896e3980f89c7a9fb6232b20fa92d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54f18b3b29519b6d59acee2ab97398dae
SHA113531adaed889077e72288b29ba5a1e133710bc7
SHA2562f453645b52d64b607ef6ab1dd70e58bd9133ccc374b2adfb5b3c0cb7d37021e
SHA5124d235b7c9ba9fd39cdc35e1e4a427ab53a2e9c377823f7822382763ddd11ead35f4809918a1343f374620f652535cfbffef96f05f371d27bb8ad9697b9bd9043
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5017c3e49671ea205e12f2233aa932d12
SHA16ea4d0e276d39846331b481754b5fed06354e4f7
SHA2563e318c9f72b927be96cb04911e6b42c49f9dc0b84d2f8293b30868bdf5682f03
SHA512358324982aae45df2a2b661af92d93760608f4c562ac45e9f633b59b38377c23346ca473658e8a97be8d58ff4894c378a01e81e5b91c8ac76aeee4f2d8e7b3ec
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD563bd8275fcd6d8ccb56dec94c941ea8e
SHA172cc7428b8adb3b73aa27091b0554bcc497e0a1d
SHA25631e249b5834369fb1d47555fa2e1326a12bdb1acbf77bfd8f8950dc0da481793
SHA51283f9f76b2d367f516d716cfb2227a04fd08d3344f5d4912c76b96d1504c8cb556ce6ad92f1c0f8a349fbc0aab2a45440dd5566d0a21f274cdaa39006f347efaf
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Filesize
4.2MB
MD5e26cd86799540bd4595992a421a61dea
SHA1cf52ca4b56c075fb8bf5054126e5c3db09ffdfec
SHA25642357c039270ba12fd007170fb317f954e7f1a7e683fa0e47f7af596df72da8d
SHA51243ffc44c8a02306b2303f855e96d566678dce662f61197ce783024c3670b3db4aeecc6ffd968057089c727545be025b808f4b33bf7f902bca1ec5dc3afcca23d
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec