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Analysis
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max time kernel
150s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20240319-en -
resource tags
arch:x64arch:x86image:win10v2004-20240319-enlocale:en-usos:windows10-2004-x64system -
submitted
10/04/2024, 04:51
Static task
static1
Behavioral task
behavioral1
Sample
956f1fb101b4342417e27c132aeb22f3fc45aca55d171d8a0f98f629f6efae9f.exe
Resource
win10v2004-20240319-en
General
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Target
956f1fb101b4342417e27c132aeb22f3fc45aca55d171d8a0f98f629f6efae9f.exe
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Size
4.2MB
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MD5
c3626635ac1fd8ec1233f483eb853436
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SHA1
989800829f066bc0e33145517e814a7289b4fdb9
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SHA256
956f1fb101b4342417e27c132aeb22f3fc45aca55d171d8a0f98f629f6efae9f
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SHA512
e490938709728681e057a0a0aabf60ee4e716630bb39c6e350d2060e2bbd22ca4b4ab492e9f09c84c8c18a104ae8dfd8e0e6472597011a89f5d205a588690a74
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SSDEEP
98304:eECH+3DSWnI1KGGLxQ5XsnDnmKFULzGt/AOX9k/3NCXH+HNQDf1Liq9:etH+32WnIs1Fg8DnrtoOX9+mBz9
Malware Config
Signatures
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Glupteba payload 17 IoCs
resource yara_rule behavioral1/memory/3656-2-0x0000000003030000-0x000000000391B000-memory.dmp family_glupteba behavioral1/memory/3656-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3656-24-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3656-48-0x0000000003030000-0x000000000391B000-memory.dmp family_glupteba behavioral1/memory/3656-51-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3656-58-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3612-61-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3612-96-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3612-100-0x0000000002980000-0x0000000002D7B000-memory.dmp family_glupteba behavioral1/memory/3612-125-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3612-158-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1136-226-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1136-261-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1136-269-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1136-271-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1136-273-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1136-275-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2416 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1136 csrss.exe 3848 injector.exe 1688 windefender.exe 4340 windefender.exe -
resource yara_rule behavioral1/files/0x000a0000000230ea-264.dat upx behavioral1/memory/1688-268-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4340-270-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4340-274-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-817259280-2658881748-983986378-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 956f1fb101b4342417e27c132aeb22f3fc45aca55d171d8a0f98f629f6efae9f.exe Set value (str) \REGISTRY\USER\S-1-5-21-817259280-2658881748-983986378-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 956f1fb101b4342417e27c132aeb22f3fc45aca55d171d8a0f98f629f6efae9f.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 956f1fb101b4342417e27c132aeb22f3fc45aca55d171d8a0f98f629f6efae9f.exe File created C:\Windows\rss\csrss.exe 956f1fb101b4342417e27c132aeb22f3fc45aca55d171d8a0f98f629f6efae9f.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 1344 sc.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3868 schtasks.exe 2816 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time" 956f1fb101b4342417e27c132aeb22f3fc45aca55d171d8a0f98f629f6efae9f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" 956f1fb101b4342417e27c132aeb22f3fc45aca55d171d8a0f98f629f6efae9f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time" 956f1fb101b4342417e27c132aeb22f3fc45aca55d171d8a0f98f629f6efae9f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-891 = "Morocco Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2631 = "Norfolk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" 956f1fb101b4342417e27c132aeb22f3fc45aca55d171d8a0f98f629f6efae9f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-391 = "Arab Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1972 = "Belarus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-161 = "Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1801 = "Line Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time" 956f1fb101b4342417e27c132aeb22f3fc45aca55d171d8a0f98f629f6efae9f.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\22\52C64B7E\@tzres.dll,-261 = "GMT Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-384 = "Namibia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2571 = "Turks and Caicos Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time" 956f1fb101b4342417e27c132aeb22f3fc45aca55d171d8a0f98f629f6efae9f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time" 956f1fb101b4342417e27c132aeb22f3fc45aca55d171d8a0f98f629f6efae9f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1021 = "Bangladesh Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2751 = "Tomsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time" 956f1fb101b4342417e27c132aeb22f3fc45aca55d171d8a0f98f629f6efae9f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-682 = "E. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-434 = "Georgian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-364 = "Middle East Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time" 956f1fb101b4342417e27c132aeb22f3fc45aca55d171d8a0f98f629f6efae9f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-441 = "Arabian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1832 = "Russia TZ 2 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-431 = "Iran Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-602 = "Taipei Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-841 = "Argentina Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-571 = "China Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-351 = "FLE Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2492 = "Aus Central W. Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-772 = "Montevideo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-91 = "Pacific SA Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1842 = "Russia TZ 4 Standard Time" 956f1fb101b4342417e27c132aeb22f3fc45aca55d171d8a0f98f629f6efae9f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time" 956f1fb101b4342417e27c132aeb22f3fc45aca55d171d8a0f98f629f6efae9f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" 956f1fb101b4342417e27c132aeb22f3fc45aca55d171d8a0f98f629f6efae9f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time" 956f1fb101b4342417e27c132aeb22f3fc45aca55d171d8a0f98f629f6efae9f.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust 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\22\52C64B7E\@tzres.dll,-1721 = "Libya Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-982 = "Kamchatka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-382 = "South Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" 956f1fb101b4342417e27c132aeb22f3fc45aca55d171d8a0f98f629f6efae9f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time" 956f1fb101b4342417e27c132aeb22f3fc45aca55d171d8a0f98f629f6efae9f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time" 956f1fb101b4342417e27c132aeb22f3fc45aca55d171d8a0f98f629f6efae9f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time" 956f1fb101b4342417e27c132aeb22f3fc45aca55d171d8a0f98f629f6efae9f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time" 956f1fb101b4342417e27c132aeb22f3fc45aca55d171d8a0f98f629f6efae9f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time" 956f1fb101b4342417e27c132aeb22f3fc45aca55d171d8a0f98f629f6efae9f.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4360 powershell.exe 4360 powershell.exe 4360 powershell.exe 3656 956f1fb101b4342417e27c132aeb22f3fc45aca55d171d8a0f98f629f6efae9f.exe 3656 956f1fb101b4342417e27c132aeb22f3fc45aca55d171d8a0f98f629f6efae9f.exe 5000 powershell.exe 5000 powershell.exe 5000 powershell.exe 3612 956f1fb101b4342417e27c132aeb22f3fc45aca55d171d8a0f98f629f6efae9f.exe 3612 956f1fb101b4342417e27c132aeb22f3fc45aca55d171d8a0f98f629f6efae9f.exe 3612 956f1fb101b4342417e27c132aeb22f3fc45aca55d171d8a0f98f629f6efae9f.exe 3612 956f1fb101b4342417e27c132aeb22f3fc45aca55d171d8a0f98f629f6efae9f.exe 3612 956f1fb101b4342417e27c132aeb22f3fc45aca55d171d8a0f98f629f6efae9f.exe 3612 956f1fb101b4342417e27c132aeb22f3fc45aca55d171d8a0f98f629f6efae9f.exe 3612 956f1fb101b4342417e27c132aeb22f3fc45aca55d171d8a0f98f629f6efae9f.exe 3612 956f1fb101b4342417e27c132aeb22f3fc45aca55d171d8a0f98f629f6efae9f.exe 3612 956f1fb101b4342417e27c132aeb22f3fc45aca55d171d8a0f98f629f6efae9f.exe 3612 956f1fb101b4342417e27c132aeb22f3fc45aca55d171d8a0f98f629f6efae9f.exe 4520 powershell.exe 4520 powershell.exe 4520 powershell.exe 4980 powershell.exe 4980 powershell.exe 4980 powershell.exe 1072 powershell.exe 1072 powershell.exe 1072 powershell.exe 3144 powershell.exe 3144 powershell.exe 3144 powershell.exe 2340 powershell.exe 2340 powershell.exe 2340 powershell.exe 3848 injector.exe 3848 injector.exe 3848 injector.exe 3848 injector.exe 3848 injector.exe 3848 injector.exe 1136 csrss.exe 1136 csrss.exe 3848 injector.exe 3848 injector.exe 3848 injector.exe 3848 injector.exe 3848 injector.exe 3848 injector.exe 1136 csrss.exe 1136 csrss.exe 3848 injector.exe 3848 injector.exe 3848 injector.exe 3848 injector.exe 1136 csrss.exe 1136 csrss.exe 3848 injector.exe 3848 injector.exe 3848 injector.exe 3848 injector.exe 3848 injector.exe 3848 injector.exe 3848 injector.exe 3848 injector.exe 3848 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4360 powershell.exe Token: SeDebugPrivilege 3656 956f1fb101b4342417e27c132aeb22f3fc45aca55d171d8a0f98f629f6efae9f.exe Token: SeImpersonatePrivilege 3656 956f1fb101b4342417e27c132aeb22f3fc45aca55d171d8a0f98f629f6efae9f.exe Token: SeDebugPrivilege 5000 powershell.exe Token: SeDebugPrivilege 4520 powershell.exe Token: SeDebugPrivilege 4980 powershell.exe Token: SeDebugPrivilege 1072 powershell.exe Token: SeDebugPrivilege 3144 powershell.exe Token: SeDebugPrivilege 2340 powershell.exe Token: SeSystemEnvironmentPrivilege 1136 csrss.exe Token: SeSecurityPrivilege 1344 sc.exe Token: SeSecurityPrivilege 1344 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3656 wrote to memory of 4360 3656 956f1fb101b4342417e27c132aeb22f3fc45aca55d171d8a0f98f629f6efae9f.exe 103 PID 3656 wrote to memory of 4360 3656 956f1fb101b4342417e27c132aeb22f3fc45aca55d171d8a0f98f629f6efae9f.exe 103 PID 3656 wrote to memory of 4360 3656 956f1fb101b4342417e27c132aeb22f3fc45aca55d171d8a0f98f629f6efae9f.exe 103 PID 3612 wrote to memory of 5000 3612 956f1fb101b4342417e27c132aeb22f3fc45aca55d171d8a0f98f629f6efae9f.exe 114 PID 3612 wrote to memory of 5000 3612 956f1fb101b4342417e27c132aeb22f3fc45aca55d171d8a0f98f629f6efae9f.exe 114 PID 3612 wrote to memory of 5000 3612 956f1fb101b4342417e27c132aeb22f3fc45aca55d171d8a0f98f629f6efae9f.exe 114 PID 3612 wrote to memory of 2924 3612 956f1fb101b4342417e27c132aeb22f3fc45aca55d171d8a0f98f629f6efae9f.exe 117 PID 3612 wrote to memory of 2924 3612 956f1fb101b4342417e27c132aeb22f3fc45aca55d171d8a0f98f629f6efae9f.exe 117 PID 2924 wrote to memory of 2416 2924 cmd.exe 119 PID 2924 wrote to memory of 2416 2924 cmd.exe 119 PID 3612 wrote to memory of 4520 3612 956f1fb101b4342417e27c132aeb22f3fc45aca55d171d8a0f98f629f6efae9f.exe 120 PID 3612 wrote to memory of 4520 3612 956f1fb101b4342417e27c132aeb22f3fc45aca55d171d8a0f98f629f6efae9f.exe 120 PID 3612 wrote to memory of 4520 3612 956f1fb101b4342417e27c132aeb22f3fc45aca55d171d8a0f98f629f6efae9f.exe 120 PID 3612 wrote to memory of 4980 3612 956f1fb101b4342417e27c132aeb22f3fc45aca55d171d8a0f98f629f6efae9f.exe 122 PID 3612 wrote to memory of 4980 3612 956f1fb101b4342417e27c132aeb22f3fc45aca55d171d8a0f98f629f6efae9f.exe 122 PID 3612 wrote to memory of 4980 3612 956f1fb101b4342417e27c132aeb22f3fc45aca55d171d8a0f98f629f6efae9f.exe 122 PID 3612 wrote to memory of 1136 3612 956f1fb101b4342417e27c132aeb22f3fc45aca55d171d8a0f98f629f6efae9f.exe 125 PID 3612 wrote to memory of 1136 3612 956f1fb101b4342417e27c132aeb22f3fc45aca55d171d8a0f98f629f6efae9f.exe 125 PID 3612 wrote to memory of 1136 3612 956f1fb101b4342417e27c132aeb22f3fc45aca55d171d8a0f98f629f6efae9f.exe 125 PID 1136 wrote to memory of 1072 1136 csrss.exe 126 PID 1136 wrote to memory of 1072 1136 csrss.exe 126 PID 1136 wrote to memory of 1072 1136 csrss.exe 126 PID 1136 wrote to memory of 3144 1136 csrss.exe 132 PID 1136 wrote to memory of 3144 1136 csrss.exe 132 PID 1136 wrote to memory of 3144 1136 csrss.exe 132 PID 1136 wrote to memory of 2340 1136 csrss.exe 134 PID 1136 wrote to memory of 2340 1136 csrss.exe 134 PID 1136 wrote to memory of 2340 1136 csrss.exe 134 PID 1136 wrote to memory of 3848 1136 csrss.exe 138 PID 1136 wrote to memory of 3848 1136 csrss.exe 138 PID 1688 wrote to memory of 3128 1688 windefender.exe 151 PID 1688 wrote to memory of 3128 1688 windefender.exe 151 PID 1688 wrote to memory of 3128 1688 windefender.exe 151 PID 3128 wrote to memory of 1344 3128 cmd.exe 152 PID 3128 wrote to memory of 1344 3128 cmd.exe 152 PID 3128 wrote to memory of 1344 3128 cmd.exe 152 -
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\956f1fb101b4342417e27c132aeb22f3fc45aca55d171d8a0f98f629f6efae9f.exe"C:\Users\Admin\AppData\Local\Temp\956f1fb101b4342417e27c132aeb22f3fc45aca55d171d8a0f98f629f6efae9f.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3656 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4360
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C:\Users\Admin\AppData\Local\Temp\956f1fb101b4342417e27c132aeb22f3fc45aca55d171d8a0f98f629f6efae9f.exe"C:\Users\Admin\AppData\Local\Temp\956f1fb101b4342417e27c132aeb22f3fc45aca55d171d8a0f98f629f6efae9f.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:3612 -
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:5000
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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:2924 -
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:2416
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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:4520
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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:4980
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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:1136 -
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:1072
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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:3868
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4908
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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:3144
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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:2340
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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:3848
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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:2816
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1688 -
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:3128 -
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:1344
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=5020 --field-trial-handle=2268,i,4334050275411101233,11484630688883830558,262144 --variations-seed-version /prefetch:81⤵PID:2976
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4340
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
MD545399671672a19441586d4711f05f411
SHA1107aa3fba7ce6b8f1cf93c704d68dcae27835830
SHA2561b7bab0664c5748b83aebe1cfb4055c17e8b17d56c3db85f4c47cea54ed03d43
SHA512a88700bfb87650cc1399639c6375132980980d3378383efe965c75228158d4a9d666e050272454527d9a4d6ef36605a6a02b83996f29eef5642866cb3a8c1b8e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD510586b3a801188841bf332c7c31ca9c2
SHA114fda06b2eb9f7a0951e09d0152dbcfbba202d4e
SHA2567b4a43053257ea8100d3a04f94068524d91653ab79e58c4c35bcdafeeb281753
SHA512a11454ac27fb2aaa0a853134d03accf5adce6cbc7a5252b6d0e24fbdec6dccea6c31e0d326aabb7c0440b71661d186765450f864a23f7d8bd854ce2b016dff50
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ebbfdbe374400d570f19c9081f93e901
SHA1a5235132d29b7a2d13cadb28b116689c1232abd8
SHA25698a630d37060c5b16615932962741b316a3967c91cbfbd4fd77a604148f2ba03
SHA5125f68cc44c9e5c066448657869e2e699fbfedb5e18e4285efa8a5d85fdce86dd5ffcb03f61f8a624332b38feff59935e5082191fe657bea781ec811271c8f93af
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59ff743789942fc08ce6f0a35bd3546d7
SHA1b1b511dad681277a4ccb435bda5e382d7f6a5416
SHA2567f8827fceca64e2a344e9a711ca352acb222490e65affe1b49c9036c973fe72d
SHA512c70e38aed06ff1b418278f192ca36f459b9c04c9dbc23bd05ec1d28c28fc7799b0f317e6ef0db54fa365eaa703085f7b31e5c9330ffc0de5106862b3d3804749
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59a56d27d320c7065abb56efd097141d4
SHA1373acb70dfabf6d882bf9248b4b616c7ab28139a
SHA25650e6952529c52ed32796ff878e82af8c48da14ddb9e85a84c474b3c492e208a9
SHA512ee9a985b84f7b8d6c5fc633d09b0dc2c92955a862a0b6c5c2ecdfc1ee35cf157b55d1a4b6046f389d243c4a1684cfa8b79c4a1709762f0a1802a586a798326df
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Filesize
4.2MB
MD5c3626635ac1fd8ec1233f483eb853436
SHA1989800829f066bc0e33145517e814a7289b4fdb9
SHA256956f1fb101b4342417e27c132aeb22f3fc45aca55d171d8a0f98f629f6efae9f
SHA512e490938709728681e057a0a0aabf60ee4e716630bb39c6e350d2060e2bbd22ca4b4ab492e9f09c84c8c18a104ae8dfd8e0e6472597011a89f5d205a588690a74
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec