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Analysis
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max time kernel
149s -
max time network
151s -
platform
windows11-21h2_x64 -
resource
win11-20240412-en -
resource tags
arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system -
submitted
25/04/2024, 15:48
Static task
static1
Behavioral task
behavioral1
Sample
28e4a736a9983b42e063afff254532385000466b50968f29651fe432450cf5e8.exe
Resource
win10v2004-20240226-en
General
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Target
28e4a736a9983b42e063afff254532385000466b50968f29651fe432450cf5e8.exe
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Size
4.1MB
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MD5
31d17088ef03d6c5513fbf7d8cb310f8
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SHA1
3fc3147d7ec3850b04a86e096af35a7b5d4fbe64
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SHA256
28e4a736a9983b42e063afff254532385000466b50968f29651fe432450cf5e8
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SHA512
5fb0ec09b35ce41d427a8ef4a0cfff8c5369ec48678ae3f0dd5745273275182cc4db79ddc386292090ab89bd80f60dcadb11580adb6c36da014d26ef8eed638d
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SSDEEP
98304:ixMvDlpZvb8ZK6Pm1OqC68DUZP3t+NAeQDD60jtf0ZJUQwpesMAQ2H/nDr:iOpbkK6P76wCP3t+NMK0jtGJUQwpe8nv
Malware Config
Signatures
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Glupteba payload 17 IoCs
resource yara_rule behavioral2/memory/4408-2-0x0000000005340000-0x0000000005C2B000-memory.dmp family_glupteba behavioral2/memory/4408-3-0x0000000000400000-0x0000000003005000-memory.dmp family_glupteba behavioral2/memory/4408-51-0x0000000000400000-0x0000000003005000-memory.dmp family_glupteba behavioral2/memory/4408-53-0x0000000005340000-0x0000000005C2B000-memory.dmp family_glupteba behavioral2/memory/2800-55-0x0000000000400000-0x0000000003005000-memory.dmp family_glupteba behavioral2/memory/2800-88-0x0000000000400000-0x0000000003005000-memory.dmp family_glupteba behavioral2/memory/2800-145-0x0000000000400000-0x0000000003005000-memory.dmp family_glupteba behavioral2/memory/3408-180-0x0000000000400000-0x0000000003005000-memory.dmp family_glupteba behavioral2/memory/3408-244-0x0000000000400000-0x0000000003005000-memory.dmp family_glupteba behavioral2/memory/3408-253-0x0000000000400000-0x0000000003005000-memory.dmp family_glupteba behavioral2/memory/3408-255-0x0000000000400000-0x0000000003005000-memory.dmp family_glupteba behavioral2/memory/3408-257-0x0000000000400000-0x0000000003005000-memory.dmp family_glupteba behavioral2/memory/3408-259-0x0000000000400000-0x0000000003005000-memory.dmp family_glupteba behavioral2/memory/3408-261-0x0000000000400000-0x0000000003005000-memory.dmp family_glupteba behavioral2/memory/3408-263-0x0000000000400000-0x0000000003005000-memory.dmp family_glupteba behavioral2/memory/3408-265-0x0000000000400000-0x0000000003005000-memory.dmp family_glupteba behavioral2/memory/3408-267-0x0000000000400000-0x0000000003005000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 5016 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3408 csrss.exe 4272 injector.exe 4240 windefender.exe 4088 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a9ff-247.dat upx behavioral2/memory/4240-252-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4088-254-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4088-258-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-801878912-692986033-442676226-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 28e4a736a9983b42e063afff254532385000466b50968f29651fe432450cf5e8.exe Set value (str) \REGISTRY\USER\S-1-5-21-801878912-692986033-442676226-1000\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 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 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 -
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 28e4a736a9983b42e063afff254532385000466b50968f29651fe432450cf5e8.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 28e4a736a9983b42e063afff254532385000466b50968f29651fe432450cf5e8.exe File created C:\Windows\rss\csrss.exe 28e4a736a9983b42e063afff254532385000466b50968f29651fe432450cf5e8.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 4700 sc.exe -
Program crash 4 IoCs
pid pid_target Process procid_target 3264 4408 WerFault.exe 78 980 4408 WerFault.exe 78 4084 2800 WerFault.exe 85 3456 2800 WerFault.exe 85 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3504 schtasks.exe 1532 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" 28e4a736a9983b42e063afff254532385000466b50968f29651fe432450cf5e8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" 28e4a736a9983b42e063afff254532385000466b50968f29651fe432450cf5e8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-105 = "Central Brazilian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2531 = "Chatham Islands Daylight Time" 28e4a736a9983b42e063afff254532385000466b50968f29651fe432450cf5e8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-691 = "Tasmania Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time" 28e4a736a9983b42e063afff254532385000466b50968f29651fe432450cf5e8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed 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\26\52C64B7E\@tzres.dll,-1832 = "Russia TZ 2 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" 28e4a736a9983b42e063afff254532385000466b50968f29651fe432450cf5e8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time" 28e4a736a9983b42e063afff254532385000466b50968f29651fe432450cf5e8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2181 = "Astrakhan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-731 = "Fiji Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" 28e4a736a9983b42e063afff254532385000466b50968f29651fe432450cf5e8.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\26\52C64B7E\@tzres.dll,-681 = "E. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-492 = "India Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time" 28e4a736a9983b42e063afff254532385000466b50968f29651fe432450cf5e8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time" 28e4a736a9983b42e063afff254532385000466b50968f29651fe432450cf5e8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" 28e4a736a9983b42e063afff254532385000466b50968f29651fe432450cf5e8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" 28e4a736a9983b42e063afff254532385000466b50968f29651fe432450cf5e8.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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" 28e4a736a9983b42e063afff254532385000466b50968f29651fe432450cf5e8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time" 28e4a736a9983b42e063afff254532385000466b50968f29651fe432450cf5e8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2791 = "Novosibirsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2632 = "Norfolk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-751 = "Tonga Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" 28e4a736a9983b42e063afff254532385000466b50968f29651fe432450cf5e8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1822 = "Russia TZ 1 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2942 = "Sao Tome Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time" 28e4a736a9983b42e063afff254532385000466b50968f29651fe432450cf5e8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time" 28e4a736a9983b42e063afff254532385000466b50968f29651fe432450cf5e8.exe Key created \REGISTRY\USER\.DEFAULT\Software\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\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-434 = "Georgian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time" 28e4a736a9983b42e063afff254532385000466b50968f29651fe432450cf5e8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-335 = "Jordan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" 28e4a736a9983b42e063afff254532385000466b50968f29651fe432450cf5e8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" 28e4a736a9983b42e063afff254532385000466b50968f29651fe432450cf5e8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-41 = "E. South America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time" 28e4a736a9983b42e063afff254532385000466b50968f29651fe432450cf5e8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-932 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time" 28e4a736a9983b42e063afff254532385000466b50968f29651fe432450cf5e8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 792 powershell.exe 792 powershell.exe 4408 28e4a736a9983b42e063afff254532385000466b50968f29651fe432450cf5e8.exe 4408 28e4a736a9983b42e063afff254532385000466b50968f29651fe432450cf5e8.exe 2376 powershell.exe 2376 powershell.exe 2800 28e4a736a9983b42e063afff254532385000466b50968f29651fe432450cf5e8.exe 2800 28e4a736a9983b42e063afff254532385000466b50968f29651fe432450cf5e8.exe 2800 28e4a736a9983b42e063afff254532385000466b50968f29651fe432450cf5e8.exe 2800 28e4a736a9983b42e063afff254532385000466b50968f29651fe432450cf5e8.exe 2800 28e4a736a9983b42e063afff254532385000466b50968f29651fe432450cf5e8.exe 2800 28e4a736a9983b42e063afff254532385000466b50968f29651fe432450cf5e8.exe 2800 28e4a736a9983b42e063afff254532385000466b50968f29651fe432450cf5e8.exe 2800 28e4a736a9983b42e063afff254532385000466b50968f29651fe432450cf5e8.exe 2800 28e4a736a9983b42e063afff254532385000466b50968f29651fe432450cf5e8.exe 2800 28e4a736a9983b42e063afff254532385000466b50968f29651fe432450cf5e8.exe 2064 powershell.exe 2064 powershell.exe 2524 powershell.exe 2524 powershell.exe 1652 powershell.exe 1652 powershell.exe 4988 powershell.exe 4988 powershell.exe 3560 powershell.exe 3560 powershell.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 3408 csrss.exe 3408 csrss.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 3408 csrss.exe 3408 csrss.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 3408 csrss.exe 3408 csrss.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 792 powershell.exe Token: SeDebugPrivilege 4408 28e4a736a9983b42e063afff254532385000466b50968f29651fe432450cf5e8.exe Token: SeImpersonatePrivilege 4408 28e4a736a9983b42e063afff254532385000466b50968f29651fe432450cf5e8.exe Token: SeDebugPrivilege 2376 powershell.exe Token: SeDebugPrivilege 2064 powershell.exe Token: SeDebugPrivilege 2524 powershell.exe Token: SeDebugPrivilege 1652 powershell.exe Token: SeDebugPrivilege 4988 powershell.exe Token: SeDebugPrivilege 3560 powershell.exe Token: SeSystemEnvironmentPrivilege 3408 csrss.exe Token: SeSecurityPrivilege 4700 sc.exe Token: SeSecurityPrivilege 4700 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4408 wrote to memory of 792 4408 28e4a736a9983b42e063afff254532385000466b50968f29651fe432450cf5e8.exe 81 PID 4408 wrote to memory of 792 4408 28e4a736a9983b42e063afff254532385000466b50968f29651fe432450cf5e8.exe 81 PID 4408 wrote to memory of 792 4408 28e4a736a9983b42e063afff254532385000466b50968f29651fe432450cf5e8.exe 81 PID 2800 wrote to memory of 2376 2800 28e4a736a9983b42e063afff254532385000466b50968f29651fe432450cf5e8.exe 91 PID 2800 wrote to memory of 2376 2800 28e4a736a9983b42e063afff254532385000466b50968f29651fe432450cf5e8.exe 91 PID 2800 wrote to memory of 2376 2800 28e4a736a9983b42e063afff254532385000466b50968f29651fe432450cf5e8.exe 91 PID 2800 wrote to memory of 432 2800 28e4a736a9983b42e063afff254532385000466b50968f29651fe432450cf5e8.exe 93 PID 2800 wrote to memory of 432 2800 28e4a736a9983b42e063afff254532385000466b50968f29651fe432450cf5e8.exe 93 PID 432 wrote to memory of 5016 432 cmd.exe 95 PID 432 wrote to memory of 5016 432 cmd.exe 95 PID 2800 wrote to memory of 2064 2800 28e4a736a9983b42e063afff254532385000466b50968f29651fe432450cf5e8.exe 96 PID 2800 wrote to memory of 2064 2800 28e4a736a9983b42e063afff254532385000466b50968f29651fe432450cf5e8.exe 96 PID 2800 wrote to memory of 2064 2800 28e4a736a9983b42e063afff254532385000466b50968f29651fe432450cf5e8.exe 96 PID 2800 wrote to memory of 2524 2800 28e4a736a9983b42e063afff254532385000466b50968f29651fe432450cf5e8.exe 98 PID 2800 wrote to memory of 2524 2800 28e4a736a9983b42e063afff254532385000466b50968f29651fe432450cf5e8.exe 98 PID 2800 wrote to memory of 2524 2800 28e4a736a9983b42e063afff254532385000466b50968f29651fe432450cf5e8.exe 98 PID 2800 wrote to memory of 3408 2800 28e4a736a9983b42e063afff254532385000466b50968f29651fe432450cf5e8.exe 100 PID 2800 wrote to memory of 3408 2800 28e4a736a9983b42e063afff254532385000466b50968f29651fe432450cf5e8.exe 100 PID 2800 wrote to memory of 3408 2800 28e4a736a9983b42e063afff254532385000466b50968f29651fe432450cf5e8.exe 100 PID 3408 wrote to memory of 1652 3408 csrss.exe 105 PID 3408 wrote to memory of 1652 3408 csrss.exe 105 PID 3408 wrote to memory of 1652 3408 csrss.exe 105 PID 3408 wrote to memory of 4988 3408 csrss.exe 110 PID 3408 wrote to memory of 4988 3408 csrss.exe 110 PID 3408 wrote to memory of 4988 3408 csrss.exe 110 PID 3408 wrote to memory of 3560 3408 csrss.exe 113 PID 3408 wrote to memory of 3560 3408 csrss.exe 113 PID 3408 wrote to memory of 3560 3408 csrss.exe 113 PID 3408 wrote to memory of 4272 3408 csrss.exe 115 PID 3408 wrote to memory of 4272 3408 csrss.exe 115 PID 4240 wrote to memory of 4660 4240 windefender.exe 121 PID 4240 wrote to memory of 4660 4240 windefender.exe 121 PID 4240 wrote to memory of 4660 4240 windefender.exe 121 PID 4660 wrote to memory of 4700 4660 cmd.exe 122 PID 4660 wrote to memory of 4700 4660 cmd.exe 122 PID 4660 wrote to memory of 4700 4660 cmd.exe 122 -
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\28e4a736a9983b42e063afff254532385000466b50968f29651fe432450cf5e8.exe"C:\Users\Admin\AppData\Local\Temp\28e4a736a9983b42e063afff254532385000466b50968f29651fe432450cf5e8.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4408 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:792
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C:\Users\Admin\AppData\Local\Temp\28e4a736a9983b42e063afff254532385000466b50968f29651fe432450cf5e8.exe"C:\Users\Admin\AppData\Local\Temp\28e4a736a9983b42e063afff254532385000466b50968f29651fe432450cf5e8.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:2800 -
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:2376
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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:432 -
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:5016
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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:2064
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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:2524
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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:3408 -
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:1652
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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:3504
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:980
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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:4988
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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:3560
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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:4272
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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:1532
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4240 -
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:4660 -
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:4700
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2800 -s 8563⤵
- Program crash
PID:4084
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2800 -s 6243⤵
- Program crash
PID:3456
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4408 -s 7482⤵
- Program crash
PID:3264
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4408 -s 10002⤵
- Program crash
PID:980
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4408 -ip 44081⤵PID:3168
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 4408 -ip 44081⤵PID:3504
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 2800 -ip 28001⤵PID:1812
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 2800 -ip 28001⤵PID:4824
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4088
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
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f4944d10188ce5453b4468db914626aa
SHA1c097cc87eda151391f415e4ed5763d40871c1d68
SHA25613c6e1b8d375fa6b62624fcf96e586d806d59047ed499662958e2a6d341453e7
SHA512d3d51cade0799e3235b95e366509ad20f5ed5408e9dad52ce82b9eaa16bbd13256dca90ad7b44a8410ebe570f8220be54fcbf6f85d321dcf73c06fc62f5712cf
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5618cb2a88f6b91dac00661b061c791ec
SHA16174da5ea685451656df88afd2bf22a717547a24
SHA2565b96d2e8b9c7328443915d3f92cadd6211beaf634271c001fb9e0290c3dfe0ca
SHA5128a797761b06dd7307c950802f6a591d42b3c72cce520dbdcab4cf069f27b23b7ce38381254e99f82cd9fb20f879e549d6e8e33c2e003dce5f16872d29adea1ed
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5012313a28c5c20b4a32eb21b104ed39e
SHA18be6d8c5f8060273804f52e68da5d06540594c05
SHA256b591c508fcf245fbee5b5340dd59b07dff52b25337e6478a8b80b47931126acf
SHA512a8eb3d90eef68ab0044bb2fe0efcffe6d7d16bfeac49a4c8d2860d4e3a625c38e459513105034902ac290a24f16d15e36ab9a4c8ba09926a9c70a1e7f94e7d27
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5632f14295a8e890f4a9136be845cdb69
SHA174cc5dd7e90cffc8dc8d9331aee85655ecba1338
SHA25605a3179c4882a27d4f2fd147927998727617220e1ebec7e3a736ca238e9a9b5f
SHA512307c33f82cc3eadb28efad97e614222f004a86db508dcc9c938c592a62ea857ebb7076d7555d74608f4fe52a1d87d92f58806966fcfaa8e0e5b7a7c652807901
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD539b597eaf51a2ac2a9d361723b7544ae
SHA1caf6412020cfe2032f0276e3898d81c88ffd84d7
SHA2564227a83e63f69aa4789532c0c1fbed8edbb0196b7f4597da6622a1c8f4dbb1fc
SHA512addd66de7b140592dd20573cf95b6a8851e9979d7c6daedd936b7204bd3e6d09bb15cf0c7984a4e08d9b3f9854f84ef0ec704a66e53643ee0d9ca868ccd897f6
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Filesize
4.1MB
MD531d17088ef03d6c5513fbf7d8cb310f8
SHA13fc3147d7ec3850b04a86e096af35a7b5d4fbe64
SHA25628e4a736a9983b42e063afff254532385000466b50968f29651fe432450cf5e8
SHA5125fb0ec09b35ce41d427a8ef4a0cfff8c5369ec48678ae3f0dd5745273275182cc4db79ddc386292090ab89bd80f60dcadb11580adb6c36da014d26ef8eed638d
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec