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Analysis
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max time kernel
149s -
max time network
146s -
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, 01:41
Static task
static1
Behavioral task
behavioral1
Sample
4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.exe
Resource
win10v2004-20240508-en
General
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Target
4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.exe
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Size
4.1MB
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MD5
633df9eea0ad9935fe8b70077ed71d8d
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SHA1
89258132be362a5e60590fdd0eaffdc08eb2c7a3
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SHA256
4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56
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SHA512
1519c7f1563ff037080cccaf05b53d4436275bafe62ab65454d698a01309f805d0b164b1607377b18c2dccd450aeea4e555c3e52ccf2bb670ee712d4e6c1c673
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SSDEEP
98304:CQGLdTw13YmTlGi/xMFRAVNS6wnhY59m5e0z8345S:CLpT0YNaxn5wu5s59YH
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/3436-2-0x00000000048F0000-0x00000000051DB000-memory.dmp family_glupteba behavioral2/memory/3436-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3436-54-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3436-53-0x00000000048F0000-0x00000000051DB000-memory.dmp family_glupteba behavioral2/memory/3436-51-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/3684-199-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/2504-205-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/2504-216-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/2504-219-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/2504-222-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/2504-225-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/2504-228-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/2504-231-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/2504-234-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/2504-237-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/2504-240-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/2504-243-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/2504-246-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/2504-249-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2116 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2504 csrss.exe 4348 injector.exe 2992 windefender.exe 3224 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa27-208.dat upx behavioral2/memory/2992-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2992-215-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3224-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3224-218-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3224-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2994005945-4089876968-1367784197-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.exe Set value (str) \REGISTRY\USER\S-1-5-21-2994005945-4089876968-1367784197-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.exe File created C:\Windows\rss\csrss.exe 4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.exe File created 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 2600 sc.exe -
pid Process 3832 powershell.exe 4372 powershell.exe 3312 powershell.exe 4024 powershell.exe 640 powershell.exe 480 powershell.exe 5072 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 2464 schtasks.exe 3140 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,-2492 = "Aus Central W. Standard Time" 4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-342 = "Egypt Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-182 = "Mountain Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-301 = "Romance Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2631 = "Norfolk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2322 = "Sakhalin Standard Time" windefender.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" 4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.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,-672 = "AUS Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1722 = "Libya Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time" 4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time" 4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.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,-142 = "Canada Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time" 4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs 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,-211 = "Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-241 = "Samoa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2141 = "Transbaikal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" 4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" 4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time" 4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.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,-391 = "Arab Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1661 = "Bahia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-334 = "Jordan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time" 4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time" 4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-662 = "Cen. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time" 4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time" 4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" 4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2612 = "Bougainville Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2751 = "Tomsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-362 = "GTB Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time" 4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time" 4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time" 4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-11 = "Azores Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time" 4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.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,-622 = "Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2841 = "Saratov Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs 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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time" 4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time" 4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time" 4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1932 = "Russia TZ 11 Standard Time" 4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" 4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.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\2a\52C64B7E\@tzres.dll,-2791 = "Novosibirsk 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,-511 = "Central Asia Daylight Time" 4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time" 4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3832 powershell.exe 3832 powershell.exe 3436 4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.exe 3436 4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.exe 4372 powershell.exe 4372 powershell.exe 3684 4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.exe 3684 4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.exe 3684 4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.exe 3684 4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.exe 3684 4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.exe 3684 4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.exe 3684 4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.exe 3684 4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.exe 3684 4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.exe 3684 4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.exe 3312 powershell.exe 3312 powershell.exe 4024 powershell.exe 4024 powershell.exe 640 powershell.exe 640 powershell.exe 480 powershell.exe 480 powershell.exe 5072 powershell.exe 5072 powershell.exe 4348 injector.exe 4348 injector.exe 4348 injector.exe 4348 injector.exe 4348 injector.exe 4348 injector.exe 2504 csrss.exe 2504 csrss.exe 4348 injector.exe 4348 injector.exe 4348 injector.exe 4348 injector.exe 4348 injector.exe 4348 injector.exe 2504 csrss.exe 2504 csrss.exe 4348 injector.exe 4348 injector.exe 4348 injector.exe 4348 injector.exe 2504 csrss.exe 2504 csrss.exe 4348 injector.exe 4348 injector.exe 4348 injector.exe 4348 injector.exe 4348 injector.exe 4348 injector.exe 4348 injector.exe 4348 injector.exe 4348 injector.exe 4348 injector.exe 4348 injector.exe 4348 injector.exe 4348 injector.exe 4348 injector.exe 4348 injector.exe 4348 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3832 powershell.exe Token: SeDebugPrivilege 3436 4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.exe Token: SeImpersonatePrivilege 3436 4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.exe Token: SeDebugPrivilege 4372 powershell.exe Token: SeDebugPrivilege 3312 powershell.exe Token: SeDebugPrivilege 4024 powershell.exe Token: SeDebugPrivilege 640 powershell.exe Token: SeDebugPrivilege 480 powershell.exe Token: SeDebugPrivilege 5072 powershell.exe Token: SeSystemEnvironmentPrivilege 2504 csrss.exe Token: SeSecurityPrivilege 2600 sc.exe Token: SeSecurityPrivilege 2600 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3436 wrote to memory of 3832 3436 4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.exe 105 PID 3436 wrote to memory of 3832 3436 4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.exe 105 PID 3436 wrote to memory of 3832 3436 4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.exe 105 PID 3684 wrote to memory of 4372 3684 4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.exe 84 PID 3684 wrote to memory of 4372 3684 4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.exe 84 PID 3684 wrote to memory of 4372 3684 4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.exe 84 PID 3684 wrote to memory of 2332 3684 4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.exe 86 PID 3684 wrote to memory of 2332 3684 4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.exe 86 PID 2332 wrote to memory of 2116 2332 cmd.exe 88 PID 2332 wrote to memory of 2116 2332 cmd.exe 88 PID 3684 wrote to memory of 3312 3684 4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.exe 89 PID 3684 wrote to memory of 3312 3684 4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.exe 89 PID 3684 wrote to memory of 3312 3684 4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.exe 89 PID 3684 wrote to memory of 4024 3684 4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.exe 91 PID 3684 wrote to memory of 4024 3684 4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.exe 91 PID 3684 wrote to memory of 4024 3684 4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.exe 91 PID 3684 wrote to memory of 2504 3684 4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.exe 93 PID 3684 wrote to memory of 2504 3684 4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.exe 93 PID 3684 wrote to memory of 2504 3684 4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.exe 93 PID 2504 wrote to memory of 640 2504 csrss.exe 94 PID 2504 wrote to memory of 640 2504 csrss.exe 94 PID 2504 wrote to memory of 640 2504 csrss.exe 94 PID 2504 wrote to memory of 480 2504 csrss.exe 100 PID 2504 wrote to memory of 480 2504 csrss.exe 100 PID 2504 wrote to memory of 480 2504 csrss.exe 100 PID 2504 wrote to memory of 5072 2504 csrss.exe 102 PID 2504 wrote to memory of 5072 2504 csrss.exe 102 PID 2504 wrote to memory of 5072 2504 csrss.exe 102 PID 2504 wrote to memory of 4348 2504 csrss.exe 104 PID 2504 wrote to memory of 4348 2504 csrss.exe 104 PID 2992 wrote to memory of 1880 2992 windefender.exe 110 PID 2992 wrote to memory of 1880 2992 windefender.exe 110 PID 2992 wrote to memory of 1880 2992 windefender.exe 110 PID 1880 wrote to memory of 2600 1880 cmd.exe 111 PID 1880 wrote to memory of 2600 1880 cmd.exe 111 PID 1880 wrote to memory of 2600 1880 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\4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.exe"C:\Users\Admin\AppData\Local\Temp\4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3436 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3832
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C:\Users\Admin\AppData\Local\Temp\4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.exe"C:\Users\Admin\AppData\Local\Temp\4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.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:3684 -
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:4372
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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:2332 -
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:2116
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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:3312
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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:4024
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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:2504 -
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:640
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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:2464
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3444
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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:480
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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:5072
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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:4348 -
C:\Windows\System32\Conhost.exe\??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV15⤵PID:3832
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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:3140
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2992 -
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:1880 -
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:2600
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3224
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
MD5f6bd140fafb117e19355e1ce5a6ed8fd
SHA1a4df24250c2abc6b18b019e4472f521358318a69
SHA2566e0ec313fd79b3277dc432a343d2b8253608de7cbdcd50fcdc00f03151322124
SHA512cde2db5d0276cb6ff3e6416ddbe1021e6d33fea5634cb73181255089243e69847e1a2802b75adf666192a09279e1930d7cff3b9cc7e2d75a194da4279c5fc143
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d31a85f793c542332ec021e94daad10b
SHA1ef8146e63995dcd518dac9193c5eee957530b9e6
SHA256c05c825001e2e9db8fe8cafcdb567c42fd46f0d135240bf789590f6ebc00973d
SHA512e6315ad06c0263700039ae7ff46f5b3b151ab49eb2915f21b9fdd5234741530eb62bf69d7a52fbb9ee5f613f05af876f62adc92a1745b8ef0f39370543246da8
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50f0d179690f78338aac1976cfa82540a
SHA1cb10fd57c24ed517d929aabe37f350291584e35a
SHA256abf923db7c3916beb598a6b14c71d0b16eca7b6b883b99f9dd5f12e1d7051518
SHA512dbc6a96ca4639c2eeb1e19fb42f2f014adcd3d5f966448add6098fdc2acdc758112c131af65343d2fc7e3fc3d3efa37709abf64fb4c7a47f3a1e67b5284cdd55
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58d1f604f69fb72610822f38a4946192d
SHA1098328f9030048eb5a3526c2a99d969ec5178802
SHA256158c7fc2009e2841a94a81b1865ca577f2a8527ae60b038a70d69914b910315a
SHA512d064c8ebf6f64055a3dbfeb4a8f86a08fa04809d6c2e985ec687b442692183630fee8f95b59be39e05b5cef6e8bc27d026ea09212766704a732dea8d071423c7
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c4eab923cadab6d42982786194da59b1
SHA1024857acc82fa85e57d02b80440930fb68ca1c8a
SHA25650545eeda6d8136553af9cf161abb0c754bbeabb6a28ee030c1f9415c6951ddf
SHA512529ae17359cf43115dfe3e44beff9d34d43e6016b7cdbb7c8b0fee21d98101643d5170c07335a59df90580c69fc7a06c2985158f10874fd58c463fdfa5940a73
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Filesize
4.1MB
MD5633df9eea0ad9935fe8b70077ed71d8d
SHA189258132be362a5e60590fdd0eaffdc08eb2c7a3
SHA2564545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56
SHA5121519c7f1563ff037080cccaf05b53d4436275bafe62ab65454d698a01309f805d0b164b1607377b18c2dccd450aeea4e555c3e52ccf2bb670ee712d4e6c1c673
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec