Analysis
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max time kernel
149s -
max time network
145s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
16/05/2024, 19:35
Static task
static1
Behavioral task
behavioral1
Sample
2acdcb95226303d178b6414c57cf3d66aca5ad8dfcbf7b67922dbb615fa6b53e.exe
Resource
win10v2004-20240508-en
General
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Target
2acdcb95226303d178b6414c57cf3d66aca5ad8dfcbf7b67922dbb615fa6b53e.exe
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Size
4.1MB
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MD5
ec454093c99d040fe8bed969f9102825
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SHA1
0a97662d95a62ea5f6d82a9a90688ab6d7d876f8
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SHA256
2acdcb95226303d178b6414c57cf3d66aca5ad8dfcbf7b67922dbb615fa6b53e
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SHA512
89cd8ae99a3daf4518a27c178f17980ef451a91e4b593333261741f9fb9ffc927c7b630e2c230e67d52272e7942b910d212e87706652041161ee51c617f911b2
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SSDEEP
98304:XjrHiscAnk4Z0f7mBZCfuP+pmwVLETOu5PKDHvrjVgO2L:zrhn/yCBZkM+pB3dzO
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral2/memory/1448-2-0x0000000002E40000-0x000000000372B000-memory.dmp family_glupteba behavioral2/memory/1448-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1448-120-0x0000000002E40000-0x000000000372B000-memory.dmp family_glupteba behavioral2/memory/1448-118-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3152-193-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3284-201-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3284-214-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3284-218-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3284-222-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3284-226-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3284-230-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3284-234-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3284-238-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3284-242-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3284-246-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3284-250-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3284-254-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3284-258-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3852 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3284 csrss.exe 2712 injector.exe 4864 windefender.exe 3140 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a9eb-205.dat upx behavioral2/memory/4864-207-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4864-212-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3140-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3140-216-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3140-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1230210488-3096403634-4129516247-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 2acdcb95226303d178b6414c57cf3d66aca5ad8dfcbf7b67922dbb615fa6b53e.exe Set value (str) \REGISTRY\USER\S-1-5-21-1230210488-3096403634-4129516247-1000\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 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 -
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 2acdcb95226303d178b6414c57cf3d66aca5ad8dfcbf7b67922dbb615fa6b53e.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 2acdcb95226303d178b6414c57cf3d66aca5ad8dfcbf7b67922dbb615fa6b53e.exe File created C:\Windows\rss\csrss.exe 2acdcb95226303d178b6414c57cf3d66aca5ad8dfcbf7b67922dbb615fa6b53e.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 1416 sc.exe -
pid Process 3784 powershell.exe 4896 powershell.exe 1396 powershell.exe 3364 powershell.exe 5040 powershell.exe 5000 powershell.exe 1432 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 1252 schtasks.exe 1056 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" 2acdcb95226303d178b6414c57cf3d66aca5ad8dfcbf7b67922dbb615fa6b53e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time" 2acdcb95226303d178b6414c57cf3d66aca5ad8dfcbf7b67922dbb615fa6b53e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time" 2acdcb95226303d178b6414c57cf3d66aca5ad8dfcbf7b67922dbb615fa6b53e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time" 2acdcb95226303d178b6414c57cf3d66aca5ad8dfcbf7b67922dbb615fa6b53e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" 2acdcb95226303d178b6414c57cf3d66aca5ad8dfcbf7b67922dbb615fa6b53e.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,-1721 = "Libya Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time" 2acdcb95226303d178b6414c57cf3d66aca5ad8dfcbf7b67922dbb615fa6b53e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time" 2acdcb95226303d178b6414c57cf3d66aca5ad8dfcbf7b67922dbb615fa6b53e.exe 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 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" 2acdcb95226303d178b6414c57cf3d66aca5ad8dfcbf7b67922dbb615fa6b53e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time" 2acdcb95226303d178b6414c57cf3d66aca5ad8dfcbf7b67922dbb615fa6b53e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time" 2acdcb95226303d178b6414c57cf3d66aca5ad8dfcbf7b67922dbb615fa6b53e.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,-42 = "E. South America 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\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. Standard Time" 2acdcb95226303d178b6414c57cf3d66aca5ad8dfcbf7b67922dbb615fa6b53e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time" 2acdcb95226303d178b6414c57cf3d66aca5ad8dfcbf7b67922dbb615fa6b53e.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,-331 = "E. Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-31 = "Mid-Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1872 = "Russia TZ 7 Standard Time" 2acdcb95226303d178b6414c57cf3d66aca5ad8dfcbf7b67922dbb615fa6b53e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time" 2acdcb95226303d178b6414c57cf3d66aca5ad8dfcbf7b67922dbb615fa6b53e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" 2acdcb95226303d178b6414c57cf3d66aca5ad8dfcbf7b67922dbb615fa6b53e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-462 = "Afghanistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-841 = "Argentina Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1801 = "Line Islands 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" 2acdcb95226303d178b6414c57cf3d66aca5ad8dfcbf7b67922dbb615fa6b53e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed 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,-2941 = "Sao Tome Daylight Time" windefender.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,-451 = "Caucasus Daylight Time" 2acdcb95226303d178b6414c57cf3d66aca5ad8dfcbf7b67922dbb615fa6b53e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" 2acdcb95226303d178b6414c57cf3d66aca5ad8dfcbf7b67922dbb615fa6b53e.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,-2491 = "Aus Central W. Daylight Time" 2acdcb95226303d178b6414c57cf3d66aca5ad8dfcbf7b67922dbb615fa6b53e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time" 2acdcb95226303d178b6414c57cf3d66aca5ad8dfcbf7b67922dbb615fa6b53e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" 2acdcb95226303d178b6414c57cf3d66aca5ad8dfcbf7b67922dbb615fa6b53e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-332 = "E. Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time" 2acdcb95226303d178b6414c57cf3d66aca5ad8dfcbf7b67922dbb615fa6b53e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1862 = "Russia TZ 6 Standard Time" 2acdcb95226303d178b6414c57cf3d66aca5ad8dfcbf7b67922dbb615fa6b53e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2341 = "Haiti Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1912 = "Russia TZ 10 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time" 2acdcb95226303d178b6414c57cf3d66aca5ad8dfcbf7b67922dbb615fa6b53e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs 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,-401 = "Arabic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2492 = "Aus Central W. Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-451 = "Caucasus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time" 2acdcb95226303d178b6414c57cf3d66aca5ad8dfcbf7b67922dbb615fa6b53e.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1432 powershell.exe 1432 powershell.exe 1448 2acdcb95226303d178b6414c57cf3d66aca5ad8dfcbf7b67922dbb615fa6b53e.exe 1448 2acdcb95226303d178b6414c57cf3d66aca5ad8dfcbf7b67922dbb615fa6b53e.exe 3784 powershell.exe 3784 powershell.exe 3152 2acdcb95226303d178b6414c57cf3d66aca5ad8dfcbf7b67922dbb615fa6b53e.exe 3152 2acdcb95226303d178b6414c57cf3d66aca5ad8dfcbf7b67922dbb615fa6b53e.exe 3152 2acdcb95226303d178b6414c57cf3d66aca5ad8dfcbf7b67922dbb615fa6b53e.exe 3152 2acdcb95226303d178b6414c57cf3d66aca5ad8dfcbf7b67922dbb615fa6b53e.exe 3152 2acdcb95226303d178b6414c57cf3d66aca5ad8dfcbf7b67922dbb615fa6b53e.exe 3152 2acdcb95226303d178b6414c57cf3d66aca5ad8dfcbf7b67922dbb615fa6b53e.exe 3152 2acdcb95226303d178b6414c57cf3d66aca5ad8dfcbf7b67922dbb615fa6b53e.exe 3152 2acdcb95226303d178b6414c57cf3d66aca5ad8dfcbf7b67922dbb615fa6b53e.exe 3152 2acdcb95226303d178b6414c57cf3d66aca5ad8dfcbf7b67922dbb615fa6b53e.exe 3152 2acdcb95226303d178b6414c57cf3d66aca5ad8dfcbf7b67922dbb615fa6b53e.exe 4896 powershell.exe 4896 powershell.exe 1396 powershell.exe 1396 powershell.exe 3364 powershell.exe 3364 powershell.exe 5040 powershell.exe 5040 powershell.exe 5000 powershell.exe 5000 powershell.exe 2712 injector.exe 2712 injector.exe 2712 injector.exe 2712 injector.exe 2712 injector.exe 2712 injector.exe 3284 csrss.exe 3284 csrss.exe 2712 injector.exe 2712 injector.exe 2712 injector.exe 2712 injector.exe 2712 injector.exe 2712 injector.exe 3284 csrss.exe 3284 csrss.exe 2712 injector.exe 2712 injector.exe 2712 injector.exe 2712 injector.exe 3284 csrss.exe 3284 csrss.exe 2712 injector.exe 2712 injector.exe 2712 injector.exe 2712 injector.exe 2712 injector.exe 2712 injector.exe 2712 injector.exe 2712 injector.exe 2712 injector.exe 2712 injector.exe 2712 injector.exe 2712 injector.exe 2712 injector.exe 2712 injector.exe 2712 injector.exe 2712 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1432 powershell.exe Token: SeDebugPrivilege 1448 2acdcb95226303d178b6414c57cf3d66aca5ad8dfcbf7b67922dbb615fa6b53e.exe Token: SeImpersonatePrivilege 1448 2acdcb95226303d178b6414c57cf3d66aca5ad8dfcbf7b67922dbb615fa6b53e.exe Token: SeDebugPrivilege 3784 powershell.exe Token: SeDebugPrivilege 4896 powershell.exe Token: SeDebugPrivilege 1396 powershell.exe Token: SeDebugPrivilege 3364 powershell.exe Token: SeDebugPrivilege 5040 powershell.exe Token: SeDebugPrivilege 5000 powershell.exe Token: SeSystemEnvironmentPrivilege 3284 csrss.exe Token: SeSecurityPrivilege 1416 sc.exe Token: SeSecurityPrivilege 1416 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1448 wrote to memory of 1432 1448 2acdcb95226303d178b6414c57cf3d66aca5ad8dfcbf7b67922dbb615fa6b53e.exe 79 PID 1448 wrote to memory of 1432 1448 2acdcb95226303d178b6414c57cf3d66aca5ad8dfcbf7b67922dbb615fa6b53e.exe 79 PID 1448 wrote to memory of 1432 1448 2acdcb95226303d178b6414c57cf3d66aca5ad8dfcbf7b67922dbb615fa6b53e.exe 79 PID 3152 wrote to memory of 3784 3152 2acdcb95226303d178b6414c57cf3d66aca5ad8dfcbf7b67922dbb615fa6b53e.exe 84 PID 3152 wrote to memory of 3784 3152 2acdcb95226303d178b6414c57cf3d66aca5ad8dfcbf7b67922dbb615fa6b53e.exe 84 PID 3152 wrote to memory of 3784 3152 2acdcb95226303d178b6414c57cf3d66aca5ad8dfcbf7b67922dbb615fa6b53e.exe 84 PID 3152 wrote to memory of 5028 3152 2acdcb95226303d178b6414c57cf3d66aca5ad8dfcbf7b67922dbb615fa6b53e.exe 86 PID 3152 wrote to memory of 5028 3152 2acdcb95226303d178b6414c57cf3d66aca5ad8dfcbf7b67922dbb615fa6b53e.exe 86 PID 5028 wrote to memory of 3852 5028 cmd.exe 88 PID 5028 wrote to memory of 3852 5028 cmd.exe 88 PID 3152 wrote to memory of 4896 3152 2acdcb95226303d178b6414c57cf3d66aca5ad8dfcbf7b67922dbb615fa6b53e.exe 89 PID 3152 wrote to memory of 4896 3152 2acdcb95226303d178b6414c57cf3d66aca5ad8dfcbf7b67922dbb615fa6b53e.exe 89 PID 3152 wrote to memory of 4896 3152 2acdcb95226303d178b6414c57cf3d66aca5ad8dfcbf7b67922dbb615fa6b53e.exe 89 PID 3152 wrote to memory of 1396 3152 2acdcb95226303d178b6414c57cf3d66aca5ad8dfcbf7b67922dbb615fa6b53e.exe 91 PID 3152 wrote to memory of 1396 3152 2acdcb95226303d178b6414c57cf3d66aca5ad8dfcbf7b67922dbb615fa6b53e.exe 91 PID 3152 wrote to memory of 1396 3152 2acdcb95226303d178b6414c57cf3d66aca5ad8dfcbf7b67922dbb615fa6b53e.exe 91 PID 3152 wrote to memory of 3284 3152 2acdcb95226303d178b6414c57cf3d66aca5ad8dfcbf7b67922dbb615fa6b53e.exe 93 PID 3152 wrote to memory of 3284 3152 2acdcb95226303d178b6414c57cf3d66aca5ad8dfcbf7b67922dbb615fa6b53e.exe 93 PID 3152 wrote to memory of 3284 3152 2acdcb95226303d178b6414c57cf3d66aca5ad8dfcbf7b67922dbb615fa6b53e.exe 93 PID 3284 wrote to memory of 3364 3284 csrss.exe 94 PID 3284 wrote to memory of 3364 3284 csrss.exe 94 PID 3284 wrote to memory of 3364 3284 csrss.exe 94 PID 3284 wrote to memory of 5040 3284 csrss.exe 100 PID 3284 wrote to memory of 5040 3284 csrss.exe 100 PID 3284 wrote to memory of 5040 3284 csrss.exe 100 PID 3284 wrote to memory of 5000 3284 csrss.exe 102 PID 3284 wrote to memory of 5000 3284 csrss.exe 102 PID 3284 wrote to memory of 5000 3284 csrss.exe 102 PID 3284 wrote to memory of 2712 3284 csrss.exe 104 PID 3284 wrote to memory of 2712 3284 csrss.exe 104 PID 4864 wrote to memory of 3940 4864 windefender.exe 110 PID 4864 wrote to memory of 3940 4864 windefender.exe 110 PID 4864 wrote to memory of 3940 4864 windefender.exe 110 PID 3940 wrote to memory of 1416 3940 cmd.exe 111 PID 3940 wrote to memory of 1416 3940 cmd.exe 111 PID 3940 wrote to memory of 1416 3940 cmd.exe 111 -
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\2acdcb95226303d178b6414c57cf3d66aca5ad8dfcbf7b67922dbb615fa6b53e.exe"C:\Users\Admin\AppData\Local\Temp\2acdcb95226303d178b6414c57cf3d66aca5ad8dfcbf7b67922dbb615fa6b53e.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1448 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1432
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C:\Users\Admin\AppData\Local\Temp\2acdcb95226303d178b6414c57cf3d66aca5ad8dfcbf7b67922dbb615fa6b53e.exe"C:\Users\Admin\AppData\Local\Temp\2acdcb95226303d178b6414c57cf3d66aca5ad8dfcbf7b67922dbb615fa6b53e.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:3152 -
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:3784
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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:5028 -
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:3852
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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:4896
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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:1396
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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:3284 -
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:3364
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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:1252
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4924
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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:5040
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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:5000
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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:2712
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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:1056
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4864 -
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:3940 -
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:1416
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3140
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
MD53d522a4238a8d4da1de4e3ef280bbeda
SHA15ee997abfe2694def82c3cb55a33cf9c7c38c9ef
SHA2565ff1d729a0ce1d794f21877da6961323926638fec55fbc811bb51d52675b8c46
SHA512e77370ade83cf02cf06317c5d46ee4be507a2ebde637f9081adb97f765bee45f14addb7a16eefecd808abb52e353dc1d97c36c74f58c8bc75de101c56e4c81b8
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ccf77202d2bae8b64f69aaed114f9c1c
SHA1432f7150057a2896cbf4d32a3b292d5372e0f131
SHA256a8346405a47f669c69eb06d565bc49e56f55fa5655ddd831965b1323f4367df9
SHA512530778b39e4f3151808a1f9ef03abd25f7c99ae95130687f5ddca5e196662ace3f9ac4bca4e7fa56cf31ba88f02f44d77250ce9a546ba1ab0e1e528a42f97be0
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57cf7cbf9b6d6bc298a977c439af634dc
SHA192970407f1d912a6e58ab4f47ae2844346d8691f
SHA256e14c4a927a5aa99f957fecc304d75b914e0f4685b013e78514c0d077f8aeeb0a
SHA512c6bdfdc4c5cf3edc8a412844b87643b5b0dedba9d36ce2f1f6328f944ee7b5139d3e03c0feb9b79cb2cc259b5a2b22958c064cbb2d8a1230c4a24a6397f3c352
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5db5dd5571ec6966caf59ffe0761a0d22
SHA1bd60be98b57947f968eaf10469f35f858c423698
SHA2568faa4615c8539a02f604706124f147b3747c967d03f74717144b09c1c92e1d9b
SHA5121430e85cfc1dd3f853b5eb9a8c38237e01cd06ca163622ad0659a03ccc8debb62bf622cf64afd2881629bb3993e7750df20ce505aea37711f8e21a1035b4e18a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5198ef98fb3ca99db5a4816d6ee72a971
SHA1934f43cd8d59e96976310b77b4b8338bae52a389
SHA256555d723a3e596a4f3712e238073335f39f37e5fbb7b1910a7f00252bc8cf6c60
SHA5121c7c915f5ab6db9c287f4f8c06238c07c4311077193ffa35d66e430fcedba7381a635fdd6322add0cffa642fcc3128f7a0c36d12318f92cacb7a567f28a1fc28
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Filesize
4.1MB
MD5ec454093c99d040fe8bed969f9102825
SHA10a97662d95a62ea5f6d82a9a90688ab6d7d876f8
SHA2562acdcb95226303d178b6414c57cf3d66aca5ad8dfcbf7b67922dbb615fa6b53e
SHA51289cd8ae99a3daf4518a27c178f17980ef451a91e4b593333261741f9fb9ffc927c7b630e2c230e67d52272e7942b910d212e87706652041161ee51c617f911b2
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec