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Analysis
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max time kernel
149s -
max time network
149s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
19/05/2024, 08:57
Static task
static1
Behavioral task
behavioral1
Sample
411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.exe
Resource
win10v2004-20240426-en
General
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Target
411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.exe
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Size
4.1MB
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MD5
6c483ee8a3efdf90eda75ef0f70ccc2b
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SHA1
18e628bef94b720ad0160d1f1f67cc48641bb60b
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SHA256
411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238
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SHA512
c45a4da2821ec04fe751d11f7c8a2926cf66a6db2fa30600a5d1e7ecc0ed62e0f0bf6c3811f13cecef0cc0568ccd909b068a28cf5bc0053fdef17ff2bb00fb5f
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SSDEEP
98304:AvCQaDBnSWO/B+XxjapSyZlG1PnsYHdaWgIg92gsnC3bzMZh6P1w:AvC3DFSWO/BjYGk1PnXHoWWZ1za6Nw
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/2444-2-0x0000000004530000-0x0000000004E1B000-memory.dmp family_glupteba behavioral2/memory/2444-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2444-54-0x0000000004530000-0x0000000004E1B000-memory.dmp family_glupteba behavioral2/memory/2444-51-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral2/memory/2444-53-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3916-125-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral2/memory/4464-204-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral2/memory/4464-214-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral2/memory/4464-216-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral2/memory/4464-218-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral2/memory/4464-220-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral2/memory/4464-222-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral2/memory/4464-224-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral2/memory/4464-226-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral2/memory/4464-228-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral2/memory/4464-230-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral2/memory/4464-232-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral2/memory/4464-234-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral2/memory/4464-236-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4636 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4464 csrss.exe 428 injector.exe 4720 windefender.exe 2224 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a9e6-207.dat upx behavioral2/memory/4720-208-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2224-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4720-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2224-215-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2224-219-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3062789476-783164490-2318012559-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.exe Set value (str) \REGISTRY\USER\S-1-5-21-3062789476-783164490-2318012559-1000\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 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 -
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 411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.exe File created C:\Windows\rss\csrss.exe 411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.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 1548 sc.exe -
pid Process 4068 powershell.exe 1320 powershell.exe 2796 powershell.exe 1568 powershell.exe 2912 powershell.exe 3492 powershell.exe 4956 powershell.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3184 schtasks.exe 2680 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.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\2a\52C64B7E\@tzres.dll,-12 = "Azores Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1472 = "Magadan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-591 = "Malay Peninsula Daylight Time" windefender.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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time" 411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time" 411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time" 411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" 411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time" 411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.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,-331 = "E. Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time" 411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-652 = "AUS Central Standard Time" 411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time" 411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time" 411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" 411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time" 411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-292 = "Central European Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time" 411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-452 = "Caucasus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2891 = "Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1972 = "Belarus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time" 411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs 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\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time" 411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs 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\@tzres.dll,-911 = "Mauritius Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-132 = "US Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1021 = "Bangladesh Daylight Time" 411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-462 = "Afghanistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-42 = "E. South America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-191 = "Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-931 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time" 411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time" 411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time" 411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-32 = "Mid-Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time" 411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.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,-2182 = "Astrakhan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2532 = "Chatham Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-791 = "SA Western Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time" 411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" 411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-722 = "Central Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1471 = "Magadan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2632 = "Norfolk Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4068 powershell.exe 4068 powershell.exe 2444 411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.exe 2444 411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.exe 1320 powershell.exe 1320 powershell.exe 3916 411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.exe 3916 411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.exe 3916 411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.exe 3916 411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.exe 3916 411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.exe 3916 411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.exe 3916 411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.exe 3916 411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.exe 3916 411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.exe 3916 411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.exe 2796 powershell.exe 2796 powershell.exe 1568 powershell.exe 1568 powershell.exe 2912 powershell.exe 2912 powershell.exe 3492 powershell.exe 3492 powershell.exe 4956 powershell.exe 4956 powershell.exe 428 injector.exe 428 injector.exe 428 injector.exe 428 injector.exe 428 injector.exe 428 injector.exe 4464 csrss.exe 4464 csrss.exe 428 injector.exe 428 injector.exe 428 injector.exe 428 injector.exe 428 injector.exe 428 injector.exe 4464 csrss.exe 4464 csrss.exe 428 injector.exe 428 injector.exe 428 injector.exe 428 injector.exe 428 injector.exe 428 injector.exe 4464 csrss.exe 4464 csrss.exe 428 injector.exe 428 injector.exe 428 injector.exe 428 injector.exe 428 injector.exe 428 injector.exe 428 injector.exe 428 injector.exe 428 injector.exe 428 injector.exe 428 injector.exe 428 injector.exe 428 injector.exe 428 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4068 powershell.exe Token: SeDebugPrivilege 2444 411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.exe Token: SeImpersonatePrivilege 2444 411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.exe Token: SeDebugPrivilege 1320 powershell.exe Token: SeDebugPrivilege 2796 powershell.exe Token: SeDebugPrivilege 1568 powershell.exe Token: SeDebugPrivilege 2912 powershell.exe Token: SeDebugPrivilege 3492 powershell.exe Token: SeDebugPrivilege 4956 powershell.exe Token: SeSystemEnvironmentPrivilege 4464 csrss.exe Token: SeSecurityPrivilege 1548 sc.exe Token: SeSecurityPrivilege 1548 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2444 wrote to memory of 4068 2444 411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.exe 81 PID 2444 wrote to memory of 4068 2444 411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.exe 81 PID 2444 wrote to memory of 4068 2444 411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.exe 81 PID 3916 wrote to memory of 1320 3916 411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.exe 86 PID 3916 wrote to memory of 1320 3916 411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.exe 86 PID 3916 wrote to memory of 1320 3916 411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.exe 86 PID 3916 wrote to memory of 4688 3916 411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.exe 88 PID 3916 wrote to memory of 4688 3916 411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.exe 88 PID 4688 wrote to memory of 4636 4688 cmd.exe 90 PID 4688 wrote to memory of 4636 4688 cmd.exe 90 PID 3916 wrote to memory of 2796 3916 411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.exe 91 PID 3916 wrote to memory of 2796 3916 411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.exe 91 PID 3916 wrote to memory of 2796 3916 411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.exe 91 PID 3916 wrote to memory of 1568 3916 411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.exe 93 PID 3916 wrote to memory of 1568 3916 411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.exe 93 PID 3916 wrote to memory of 1568 3916 411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.exe 93 PID 3916 wrote to memory of 4464 3916 411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.exe 95 PID 3916 wrote to memory of 4464 3916 411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.exe 95 PID 3916 wrote to memory of 4464 3916 411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.exe 95 PID 4464 wrote to memory of 2912 4464 csrss.exe 96 PID 4464 wrote to memory of 2912 4464 csrss.exe 96 PID 4464 wrote to memory of 2912 4464 csrss.exe 96 PID 4464 wrote to memory of 3492 4464 csrss.exe 102 PID 4464 wrote to memory of 3492 4464 csrss.exe 102 PID 4464 wrote to memory of 3492 4464 csrss.exe 102 PID 4464 wrote to memory of 4956 4464 csrss.exe 104 PID 4464 wrote to memory of 4956 4464 csrss.exe 104 PID 4464 wrote to memory of 4956 4464 csrss.exe 104 PID 4464 wrote to memory of 428 4464 csrss.exe 106 PID 4464 wrote to memory of 428 4464 csrss.exe 106 PID 4720 wrote to memory of 4688 4720 windefender.exe 112 PID 4720 wrote to memory of 4688 4720 windefender.exe 112 PID 4720 wrote to memory of 4688 4720 windefender.exe 112 PID 4688 wrote to memory of 1548 4688 cmd.exe 113 PID 4688 wrote to memory of 1548 4688 cmd.exe 113 PID 4688 wrote to memory of 1548 4688 cmd.exe 113 -
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\411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.exe"C:\Users\Admin\AppData\Local\Temp\411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2444 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4068
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C:\Users\Admin\AppData\Local\Temp\411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.exe"C:\Users\Admin\AppData\Local\Temp\411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.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:3916 -
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:1320
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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:4688 -
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:4636
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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:2796
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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:1568
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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:4464 -
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:2912
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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:3184
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4912
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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:3492
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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:4956
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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:428
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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:2680
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4720 -
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:4688 -
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:1548
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2224
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
MD514f2101d49916f577de42d27df1edfa7
SHA1e020e71477de6d84bb1dfcf30e98f8d139314611
SHA25660c97ad8d2a3f7f7760e054a7d61e69c7a006bbd3cd6e6242698acb9a5e5c8db
SHA5128f58ab1bb4cf826a25a6ce1fe5eb417882cbb6dc3ad11315b87a64051796697f2f1b6f3b4d7819c52064b03441e88e6dd46c1d559461b2f6908a58303acdaec8
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD516f520efb4e7e23a67c34f75e140aab5
SHA1269fab85810c649d066b0d4b8e120d1c7aab9775
SHA25628ae0ab1e364322b41cbdda72d3ba67746ea73ecdbab276d19eafdfbfc211da5
SHA51201f87345ec2575e933bb08d0d1886c4b7c659facd213e3d4bf57891521bf9029b7cd9b7169c2580d7928fce53f3e5a7ea778d96746a0e3702c31e90036c0a522
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5fef81e7ce66b2e959ae3163ac8139a8c
SHA1b377b2081466e849b5f5f09323052bfd3e31cfbc
SHA256181171c5f8b2100add4541996980c55482e5f8ef678c3b472f9032e365132fdf
SHA512be639cd164a56973395b62b01d4c324aafa9234e7ee51950b29d6ea692cf0d7efc363650b114e38e367ff8e94a0aae0a1480d50cdd682e1e6e713a927735682a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e4186d98164c0170f1f55a3127e34173
SHA11846a020f0a0e838142bbb98dbf3d583f1b6e9fe
SHA256925aba23b6667abb696b312cc6ba944ab3d55bfe566a1ecbb6489cb1b6b270c0
SHA51288ac11149f2c731dad4ec1c01bb8afbc70badebfb66ed0e66e97d8db1b69c8d971ec30d4a6daf5d7aa04924f1a7b1aca83890da4872e99f52f4e9fb7db7fe9ba
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52efecf5e9d38539de093762a809444ec
SHA1d194601ee7e82149768de4d9d696d66c88fc7fc3
SHA256275f201fda60fc180429c135d903b93a8fc85e8779711c1c43c494dc4db794e5
SHA512bfdd0531b59422cd14010db2bdc8f1dcd286975843256343d11f4b34b95aee095a9661a75bc0ee9159faa9671668c0de9dfea42054d4b5af3965f8a7c7a5ffeb
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Filesize
4.1MB
MD56c483ee8a3efdf90eda75ef0f70ccc2b
SHA118e628bef94b720ad0160d1f1f67cc48641bb60b
SHA256411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238
SHA512c45a4da2821ec04fe751d11f7c8a2926cf66a6db2fa30600a5d1e7ecc0ed62e0f0bf6c3811f13cecef0cc0568ccd909b068a28cf5bc0053fdef17ff2bb00fb5f
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec