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Analysis
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max time kernel
149s -
max time network
139s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
14/05/2024, 19:48
Static task
static1
Behavioral task
behavioral1
Sample
096a5882217ecf9c4b8edbd4ae28d1035d6ed089b47561ec83ae871565be54b4.exe
Resource
win10v2004-20240226-en
General
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Target
096a5882217ecf9c4b8edbd4ae28d1035d6ed089b47561ec83ae871565be54b4.exe
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Size
4.1MB
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MD5
ca83d211183ef814aec4870006d579b6
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SHA1
43ba657450d69d8670f43f2627d331882faa2772
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SHA256
096a5882217ecf9c4b8edbd4ae28d1035d6ed089b47561ec83ae871565be54b4
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SHA512
ea9e104548069b35051f52bead75af9791993837e69aa6ba5ae263ce3999a93a9053bfa551c89db19784012bdb581e8a9b537d47135e0778550eefb8c284c190
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SSDEEP
49152:ffnInHQDK0wlO9rfJPTTANkdvq5+Duji334xe6X5+X6+m4ZNLcl7ubrDe/c0eSCw:0RCfJXOkdCGujW3ocq+CWmE2BmkIV7WH
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral2/memory/1884-2-0x0000000002E30000-0x000000000371B000-memory.dmp family_glupteba behavioral2/memory/1884-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1884-47-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1884-51-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1884-52-0x0000000002E30000-0x000000000371B000-memory.dmp family_glupteba behavioral2/memory/2348-111-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2348-153-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2996-179-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2348-206-0x0000000002AB0000-0x0000000002EAC000-memory.dmp family_glupteba behavioral2/memory/2996-207-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2996-218-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2996-221-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2996-224-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2996-227-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2996-230-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2996-233-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2996-236-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2996-239-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2996-242-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2996-245-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4964 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2996 csrss.exe 4196 injector.exe 5112 windefender.exe 3084 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a9f6-210.dat upx behavioral2/memory/5112-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3084-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/5112-216-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3084-219-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3084-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3107365284-1576850094-161165143-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 096a5882217ecf9c4b8edbd4ae28d1035d6ed089b47561ec83ae871565be54b4.exe Set value (str) \REGISTRY\USER\S-1-5-21-3107365284-1576850094-161165143-1000\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 created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
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 096a5882217ecf9c4b8edbd4ae28d1035d6ed089b47561ec83ae871565be54b4.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 096a5882217ecf9c4b8edbd4ae28d1035d6ed089b47561ec83ae871565be54b4.exe File created C:\Windows\rss\csrss.exe 096a5882217ecf9c4b8edbd4ae28d1035d6ed089b47561ec83ae871565be54b4.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 4432 sc.exe -
pid Process 3432 powershell.exe 2484 powershell.exe 3456 powershell.exe 788 powershell.exe 1244 powershell.exe 2044 powershell.exe 3348 powershell.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 1472 1884 WerFault.exe 78 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3656 schtasks.exe 4540 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\@tzres.dll,-2512 = "Lord Howe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time" 096a5882217ecf9c4b8edbd4ae28d1035d6ed089b47561ec83ae871565be54b4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" 096a5882217ecf9c4b8edbd4ae28d1035d6ed089b47561ec83ae871565be54b4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time" 096a5882217ecf9c4b8edbd4ae28d1035d6ed089b47561ec83ae871565be54b4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-491 = "India Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-41 = "E. South America Daylight Time" 096a5882217ecf9c4b8edbd4ae28d1035d6ed089b47561ec83ae871565be54b4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" 096a5882217ecf9c4b8edbd4ae28d1035d6ed089b47561ec83ae871565be54b4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time" 096a5882217ecf9c4b8edbd4ae28d1035d6ed089b47561ec83ae871565be54b4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2141 = "Transbaikal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time" 096a5882217ecf9c4b8edbd4ae28d1035d6ed089b47561ec83ae871565be54b4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" 096a5882217ecf9c4b8edbd4ae28d1035d6ed089b47561ec83ae871565be54b4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" 096a5882217ecf9c4b8edbd4ae28d1035d6ed089b47561ec83ae871565be54b4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2452 = "Saint Pierre Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time" 096a5882217ecf9c4b8edbd4ae28d1035d6ed089b47561ec83ae871565be54b4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time" 096a5882217ecf9c4b8edbd4ae28d1035d6ed089b47561ec83ae871565be54b4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. Standard Time" 096a5882217ecf9c4b8edbd4ae28d1035d6ed089b47561ec83ae871565be54b4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-105 = "Central Brazilian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-721 = "Central Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-241 = "Samoa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1501 = "Turkey Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1661 = "Bahia Daylight Time" windefender.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,-372 = "Jerusalem Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-121 = "SA Pacific Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-571 = "China Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-371 = "Jerusalem Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-212 = "Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3051 = "Qyzylorda Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-751 = "Tonga Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time" 096a5882217ecf9c4b8edbd4ae28d1035d6ed089b47561ec83ae871565be54b4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time" 096a5882217ecf9c4b8edbd4ae28d1035d6ed089b47561ec83ae871565be54b4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time" 096a5882217ecf9c4b8edbd4ae28d1035d6ed089b47561ec83ae871565be54b4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-341 = "Egypt 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\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time" 096a5882217ecf9c4b8edbd4ae28d1035d6ed089b47561ec83ae871565be54b4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2451 = "Saint Pierre Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time" 096a5882217ecf9c4b8edbd4ae28d1035d6ed089b47561ec83ae871565be54b4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\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 (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\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\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-401 = "Arabic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time" 096a5882217ecf9c4b8edbd4ae28d1035d6ed089b47561ec83ae871565be54b4.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3456 powershell.exe 3456 powershell.exe 1884 096a5882217ecf9c4b8edbd4ae28d1035d6ed089b47561ec83ae871565be54b4.exe 1884 096a5882217ecf9c4b8edbd4ae28d1035d6ed089b47561ec83ae871565be54b4.exe 788 powershell.exe 788 powershell.exe 2348 096a5882217ecf9c4b8edbd4ae28d1035d6ed089b47561ec83ae871565be54b4.exe 2348 096a5882217ecf9c4b8edbd4ae28d1035d6ed089b47561ec83ae871565be54b4.exe 2348 096a5882217ecf9c4b8edbd4ae28d1035d6ed089b47561ec83ae871565be54b4.exe 2348 096a5882217ecf9c4b8edbd4ae28d1035d6ed089b47561ec83ae871565be54b4.exe 2348 096a5882217ecf9c4b8edbd4ae28d1035d6ed089b47561ec83ae871565be54b4.exe 2348 096a5882217ecf9c4b8edbd4ae28d1035d6ed089b47561ec83ae871565be54b4.exe 2348 096a5882217ecf9c4b8edbd4ae28d1035d6ed089b47561ec83ae871565be54b4.exe 2348 096a5882217ecf9c4b8edbd4ae28d1035d6ed089b47561ec83ae871565be54b4.exe 2348 096a5882217ecf9c4b8edbd4ae28d1035d6ed089b47561ec83ae871565be54b4.exe 2348 096a5882217ecf9c4b8edbd4ae28d1035d6ed089b47561ec83ae871565be54b4.exe 1244 powershell.exe 1244 powershell.exe 2044 powershell.exe 2044 powershell.exe 3348 powershell.exe 3348 powershell.exe 3432 powershell.exe 3432 powershell.exe 2484 powershell.exe 2484 powershell.exe 4196 injector.exe 4196 injector.exe 4196 injector.exe 4196 injector.exe 4196 injector.exe 4196 injector.exe 2996 csrss.exe 2996 csrss.exe 4196 injector.exe 4196 injector.exe 4196 injector.exe 4196 injector.exe 4196 injector.exe 4196 injector.exe 2996 csrss.exe 2996 csrss.exe 4196 injector.exe 4196 injector.exe 4196 injector.exe 4196 injector.exe 2996 csrss.exe 2996 csrss.exe 4196 injector.exe 4196 injector.exe 4196 injector.exe 4196 injector.exe 4196 injector.exe 4196 injector.exe 4196 injector.exe 4196 injector.exe 4196 injector.exe 4196 injector.exe 4196 injector.exe 4196 injector.exe 4196 injector.exe 4196 injector.exe 4196 injector.exe 4196 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3456 powershell.exe Token: SeDebugPrivilege 1884 096a5882217ecf9c4b8edbd4ae28d1035d6ed089b47561ec83ae871565be54b4.exe Token: SeImpersonatePrivilege 1884 096a5882217ecf9c4b8edbd4ae28d1035d6ed089b47561ec83ae871565be54b4.exe Token: SeDebugPrivilege 788 powershell.exe Token: SeDebugPrivilege 1244 powershell.exe Token: SeDebugPrivilege 2044 powershell.exe Token: SeDebugPrivilege 3348 powershell.exe Token: SeDebugPrivilege 3432 powershell.exe Token: SeDebugPrivilege 2484 powershell.exe Token: SeSystemEnvironmentPrivilege 2996 csrss.exe Token: SeSecurityPrivilege 4432 sc.exe Token: SeSecurityPrivilege 4432 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1884 wrote to memory of 3456 1884 096a5882217ecf9c4b8edbd4ae28d1035d6ed089b47561ec83ae871565be54b4.exe 82 PID 1884 wrote to memory of 3456 1884 096a5882217ecf9c4b8edbd4ae28d1035d6ed089b47561ec83ae871565be54b4.exe 82 PID 1884 wrote to memory of 3456 1884 096a5882217ecf9c4b8edbd4ae28d1035d6ed089b47561ec83ae871565be54b4.exe 82 PID 2348 wrote to memory of 788 2348 096a5882217ecf9c4b8edbd4ae28d1035d6ed089b47561ec83ae871565be54b4.exe 90 PID 2348 wrote to memory of 788 2348 096a5882217ecf9c4b8edbd4ae28d1035d6ed089b47561ec83ae871565be54b4.exe 90 PID 2348 wrote to memory of 788 2348 096a5882217ecf9c4b8edbd4ae28d1035d6ed089b47561ec83ae871565be54b4.exe 90 PID 2348 wrote to memory of 3920 2348 096a5882217ecf9c4b8edbd4ae28d1035d6ed089b47561ec83ae871565be54b4.exe 92 PID 2348 wrote to memory of 3920 2348 096a5882217ecf9c4b8edbd4ae28d1035d6ed089b47561ec83ae871565be54b4.exe 92 PID 3920 wrote to memory of 4964 3920 cmd.exe 94 PID 3920 wrote to memory of 4964 3920 cmd.exe 94 PID 2348 wrote to memory of 1244 2348 096a5882217ecf9c4b8edbd4ae28d1035d6ed089b47561ec83ae871565be54b4.exe 95 PID 2348 wrote to memory of 1244 2348 096a5882217ecf9c4b8edbd4ae28d1035d6ed089b47561ec83ae871565be54b4.exe 95 PID 2348 wrote to memory of 1244 2348 096a5882217ecf9c4b8edbd4ae28d1035d6ed089b47561ec83ae871565be54b4.exe 95 PID 2348 wrote to memory of 2044 2348 096a5882217ecf9c4b8edbd4ae28d1035d6ed089b47561ec83ae871565be54b4.exe 97 PID 2348 wrote to memory of 2044 2348 096a5882217ecf9c4b8edbd4ae28d1035d6ed089b47561ec83ae871565be54b4.exe 97 PID 2348 wrote to memory of 2044 2348 096a5882217ecf9c4b8edbd4ae28d1035d6ed089b47561ec83ae871565be54b4.exe 97 PID 2348 wrote to memory of 2996 2348 096a5882217ecf9c4b8edbd4ae28d1035d6ed089b47561ec83ae871565be54b4.exe 99 PID 2348 wrote to memory of 2996 2348 096a5882217ecf9c4b8edbd4ae28d1035d6ed089b47561ec83ae871565be54b4.exe 99 PID 2348 wrote to memory of 2996 2348 096a5882217ecf9c4b8edbd4ae28d1035d6ed089b47561ec83ae871565be54b4.exe 99 PID 2996 wrote to memory of 3348 2996 csrss.exe 100 PID 2996 wrote to memory of 3348 2996 csrss.exe 100 PID 2996 wrote to memory of 3348 2996 csrss.exe 100 PID 2996 wrote to memory of 3432 2996 csrss.exe 105 PID 2996 wrote to memory of 3432 2996 csrss.exe 105 PID 2996 wrote to memory of 3432 2996 csrss.exe 105 PID 2996 wrote to memory of 2484 2996 csrss.exe 108 PID 2996 wrote to memory of 2484 2996 csrss.exe 108 PID 2996 wrote to memory of 2484 2996 csrss.exe 108 PID 2996 wrote to memory of 4196 2996 csrss.exe 110 PID 2996 wrote to memory of 4196 2996 csrss.exe 110 PID 5112 wrote to memory of 2000 5112 windefender.exe 116 PID 5112 wrote to memory of 2000 5112 windefender.exe 116 PID 5112 wrote to memory of 2000 5112 windefender.exe 116 PID 2000 wrote to memory of 4432 2000 cmd.exe 117 PID 2000 wrote to memory of 4432 2000 cmd.exe 117 PID 2000 wrote to memory of 4432 2000 cmd.exe 117 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\096a5882217ecf9c4b8edbd4ae28d1035d6ed089b47561ec83ae871565be54b4.exe"C:\Users\Admin\AppData\Local\Temp\096a5882217ecf9c4b8edbd4ae28d1035d6ed089b47561ec83ae871565be54b4.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1884 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3456
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C:\Users\Admin\AppData\Local\Temp\096a5882217ecf9c4b8edbd4ae28d1035d6ed089b47561ec83ae871565be54b4.exe"C:\Users\Admin\AppData\Local\Temp\096a5882217ecf9c4b8edbd4ae28d1035d6ed089b47561ec83ae871565be54b4.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:2348 -
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:788
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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:3920 -
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:4964
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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:1244
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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:2044
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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:2996 -
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:3348
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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:3656
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4148
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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:3432
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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:2484
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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:4196
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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:4540
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:5112 -
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:2000 -
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:4432
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1884 -s 7322⤵
- Program crash
PID:1472
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 1884 -ip 18841⤵PID:3596
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3084
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
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD589c6f821773c3c996c3d814c1b90cb96
SHA16d255304cd6e392e2c76ca34bcf708e2d61687ee
SHA256c7a797bb0048ff1fa15c5a1c7631d55a004e195c77ae3fbec7b78b90faa5fc79
SHA512a67026cdecd9f964724ab7ecb5f572b34a040792f8664e0e718b2e853ca186ffaf261eb0b0da0e25eccc44c68d029ac6838e7a3bb047d4d6ae4ab1c3464c02fc
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56128df5f768de580024c47f7824447b0
SHA1d85371e35d2ec1ce4f6997431d10fd1b68b8b191
SHA256f73cf43476f9090579ec256602ead7a6960a46ea23490068b459e71650fc988b
SHA512653daa2e755f457727f1e00170afba93ac62e5f75d3d9f9c8d873bb080d919857f0fe9bb210f0a75d883a85839d2574da9d0059fa225a86b7383013ef4731eb1
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5728abb662a876c7250bba3cb8cc80e39
SHA14a01049d9426a9d509e338b0bcd7c8b2b0a9d67e
SHA2562605d47f972e9b22b16a10ae117aebe4bea82b8fbdf070c9976b23878523540d
SHA512bb78d0a6574a7ad7d49e223a602274de908aebad9743dfa7326af1a4448ae928b0ad66166015b64da4ce8f97d463d070c82c3abf9cc4bcdfdd198033f0bd5b5c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5133768c10f331530f90913906ba37351
SHA12c63ac09eda5b02dd33a11cff9eb30a65f925866
SHA25601c46860618e7d996623387704305bc2f0b38527440d56b1103ab2e888c9b10a
SHA512321260b45b9df66decd533702302f95106cba02e7d7330720ddfcce4444ff8df77f5777511caa6593453b30608793439e9429cb7a8484080b5e17c5d13809a5c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53b6fc03b43cca824448d599ee0130426
SHA12ebbc7ee53d1a38780c9284f12fa50d36666ff20
SHA256c7bc2feefc4455b29b3f34bd540c0d88e441d02743bb3854a17c450d692e8f18
SHA512afdf64dee6c3eb017d36442f92552350263a6bc586df68c7b54e2350f0edc56c0e154cf2fec146f507893826b8f9fb7d797919ca9bfc0cb636887bd554df82c2
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Filesize
4.1MB
MD5ca83d211183ef814aec4870006d579b6
SHA143ba657450d69d8670f43f2627d331882faa2772
SHA256096a5882217ecf9c4b8edbd4ae28d1035d6ed089b47561ec83ae871565be54b4
SHA512ea9e104548069b35051f52bead75af9791993837e69aa6ba5ae263ce3999a93a9053bfa551c89db19784012bdb581e8a9b537d47135e0778550eefb8c284c190
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec