Analysis
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max time kernel
149s -
max time network
151s -
platform
windows11-21h2_x64 -
resource
win11-20240412-en -
resource tags
arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system -
submitted
19/04/2024, 22:43
Static task
static1
Behavioral task
behavioral1
Sample
6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe
Resource
win10v2004-20240412-en
General
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Target
6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe
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Size
4.2MB
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MD5
d555a8931b9e996eef75ee0bf5185a74
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SHA1
85bbdc0f336f3d2ca8de2559a6a7d4fd454f9b24
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SHA256
6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a
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SHA512
1bfcf9be143d75574e0393b0489c3b1f7c53bcb27c4df9c1a52715394ef2695b276cf1f75d60d99159ddae9556568658c2521f5a9e620ee432eb246f99d7a9d5
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SSDEEP
98304:f/40EOOAEftLoGWLNDgTXMgGOTrFzBqlMJaGItfG9:XdVQtLoTZDg5GO9BqlcV
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral2/memory/4600-2-0x0000000004280000-0x0000000004B6B000-memory.dmp family_glupteba behavioral2/memory/4600-3-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/4600-51-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/4228-54-0x0000000003F40000-0x000000000482B000-memory.dmp family_glupteba behavioral2/memory/4228-55-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/4228-120-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/4228-142-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/1932-243-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/1932-252-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/1932-254-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/1932-256-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/1932-258-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/1932-260-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/1932-262-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/1932-264-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/1932-266-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/1932-268-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/1932-270-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/1932-272-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/1932-274-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4584 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1932 csrss.exe 3844 injector.exe 816 windefender.exe 2360 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa04-246.dat upx behavioral2/memory/816-251-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2360-253-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2360-257-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2718508534-2116753757-2794822388-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe Set value (str) \REGISTRY\USER\S-1-5-21-2718508534-2116753757-2794822388-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe File created C:\Windows\rss\csrss.exe 6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.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 1968 sc.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4368 schtasks.exe 280 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\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 powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-11 = "Azores Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-385 = "Namibia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time" 6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time" 6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" 6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-211 = "Pacific Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-141 = "Canada Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-92 = "Pacific SA Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time" 6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-241 = "Samoa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-692 = "Tasmania Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" 6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates 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\26\52C64B7E\@tzres.dll,-2511 = "Lord Howe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" 6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time" 6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time" 6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-251 = "Dateline Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time" 6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" 6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time" 6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" 6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-672 = "AUS Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time" 6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" 6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1892 = "Russia TZ 3 Standard Time" 6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-671 = "AUS Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-682 = "E. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" 6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time" 6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time" 6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-3051 = "Qyzylorda Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time" 6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time" 6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-452 = "Caucasus Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-342 = "Egypt Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time" 6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.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\26\52C64B7E\@tzres.dll,-1661 = "Bahia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-162 = "Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time" 6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time" 6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" 6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2591 = "Tocantins Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-111 = "Eastern Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3152 powershell.exe 3152 powershell.exe 4600 6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe 4600 6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe 3700 powershell.exe 3700 powershell.exe 4228 6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe 4228 6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe 4228 6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe 4228 6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe 4228 6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe 4228 6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe 4228 6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe 4228 6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe 4228 6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe 4228 6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe 2900 powershell.exe 2900 powershell.exe 1984 powershell.exe 1984 powershell.exe 1120 powershell.exe 1120 powershell.exe 1528 powershell.exe 1528 powershell.exe 2328 powershell.exe 2328 powershell.exe 3844 injector.exe 3844 injector.exe 3844 injector.exe 3844 injector.exe 3844 injector.exe 3844 injector.exe 1932 csrss.exe 1932 csrss.exe 3844 injector.exe 3844 injector.exe 3844 injector.exe 3844 injector.exe 3844 injector.exe 3844 injector.exe 1932 csrss.exe 1932 csrss.exe 3844 injector.exe 3844 injector.exe 3844 injector.exe 3844 injector.exe 1932 csrss.exe 1932 csrss.exe 3844 injector.exe 3844 injector.exe 3844 injector.exe 3844 injector.exe 3844 injector.exe 3844 injector.exe 3844 injector.exe 3844 injector.exe 3844 injector.exe 3844 injector.exe 3844 injector.exe 3844 injector.exe 3844 injector.exe 3844 injector.exe 3844 injector.exe 3844 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3152 powershell.exe Token: SeDebugPrivilege 4600 6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe Token: SeImpersonatePrivilege 4600 6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe Token: SeDebugPrivilege 3700 powershell.exe Token: SeDebugPrivilege 2900 powershell.exe Token: SeDebugPrivilege 1984 powershell.exe Token: SeDebugPrivilege 1120 powershell.exe Token: SeDebugPrivilege 1528 powershell.exe Token: SeDebugPrivilege 2328 powershell.exe Token: SeSystemEnvironmentPrivilege 1932 csrss.exe Token: SeSecurityPrivilege 1968 sc.exe Token: SeSecurityPrivilege 1968 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4600 wrote to memory of 3152 4600 6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe 81 PID 4600 wrote to memory of 3152 4600 6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe 81 PID 4600 wrote to memory of 3152 4600 6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe 81 PID 4228 wrote to memory of 3700 4228 6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe 86 PID 4228 wrote to memory of 3700 4228 6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe 86 PID 4228 wrote to memory of 3700 4228 6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe 86 PID 4228 wrote to memory of 3516 4228 6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe 88 PID 4228 wrote to memory of 3516 4228 6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe 88 PID 3516 wrote to memory of 4584 3516 cmd.exe 90 PID 3516 wrote to memory of 4584 3516 cmd.exe 90 PID 4228 wrote to memory of 2900 4228 6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe 91 PID 4228 wrote to memory of 2900 4228 6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe 91 PID 4228 wrote to memory of 2900 4228 6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe 91 PID 4228 wrote to memory of 1984 4228 6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe 93 PID 4228 wrote to memory of 1984 4228 6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe 93 PID 4228 wrote to memory of 1984 4228 6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe 93 PID 4228 wrote to memory of 1932 4228 6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe 95 PID 4228 wrote to memory of 1932 4228 6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe 95 PID 4228 wrote to memory of 1932 4228 6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe 95 PID 1932 wrote to memory of 1120 1932 csrss.exe 96 PID 1932 wrote to memory of 1120 1932 csrss.exe 96 PID 1932 wrote to memory of 1120 1932 csrss.exe 96 PID 1932 wrote to memory of 1528 1932 csrss.exe 101 PID 1932 wrote to memory of 1528 1932 csrss.exe 101 PID 1932 wrote to memory of 1528 1932 csrss.exe 101 PID 1932 wrote to memory of 2328 1932 csrss.exe 104 PID 1932 wrote to memory of 2328 1932 csrss.exe 104 PID 1932 wrote to memory of 2328 1932 csrss.exe 104 PID 1932 wrote to memory of 3844 1932 csrss.exe 106 PID 1932 wrote to memory of 3844 1932 csrss.exe 106 PID 816 wrote to memory of 3412 816 windefender.exe 112 PID 816 wrote to memory of 3412 816 windefender.exe 112 PID 816 wrote to memory of 3412 816 windefender.exe 112 PID 3412 wrote to memory of 1968 3412 cmd.exe 113 PID 3412 wrote to memory of 1968 3412 cmd.exe 113 PID 3412 wrote to memory of 1968 3412 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\6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe"C:\Users\Admin\AppData\Local\Temp\6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4600 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3152
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C:\Users\Admin\AppData\Local\Temp\6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe"C:\Users\Admin\AppData\Local\Temp\6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.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:4228 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3700
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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:3516 -
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:4584
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2900
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1984
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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:1932 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1120
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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:4368
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1040
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1528
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2328
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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:3844
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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:280
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:816 -
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:3412 -
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:1968
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2360
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
MD53a4f352f075bab8e8a5e75ed5f4997f7
SHA188dcccb57ce20b033280c2af45218be6175916db
SHA2562b3701096156e2f3e8f342450b80f6c368f7560b7b562819ae22ac3c7273066a
SHA5128b8c5d4183a871258b2e83bf7dc58cf138fa2d83cdd0d2c7bb5f6242674e0eba9c87f226cfcd62e6bb5cb02e207b966e694a88f905f7b2f999ea3e4233a09a7c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ee923283245d58bad6f21d1c68c4929d
SHA1f3e179d5e2fefaeae65f6d042eacec9c5ef57040
SHA2565bcccd6e8ea15fc5042ffc164756e38505512707134a51ff4f549e77c9627e51
SHA5124977a7b038ccd4b160aebd781c3c6f30d2e39baf0adbbd8c48cc51b6f54a2b30e73c2f355ededba6bc4bd4ee42508c9fb7bf338eea4b52f7c0b335aefaa0c8d2
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50d2c6c24b0204803c742d1cc7d7604b6
SHA171526a2bf3c3892232b10ee9f4507818c4b5a8a4
SHA25687d6d4047cd2d93e2a1f7817e6eac5e3057fdedd2b2720dc4d1181048670015d
SHA5124a6db882c8084dbe86bc7d7a6f0040ef265700a7c87bbe56d5db92cefaa9780473e589927b9d935c2a83082e2647503a1dd69de721a2ae5d78940d885016a37b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD569b2bc66cb5c6287f8c9dda38f40f814
SHA145a77849da20a2a87a9459d4aa6296d8dbb49f22
SHA256cadc4252bc11888923780451378cb3f228ca46824dea6d22df166e1a311b9444
SHA51211ada2acb5fa730ff0b2bdff314dc37f6a289b44f1cd84b9fe69c49b2d9ac1ae3fcccfccce7b27f0768eb05d222a3ca41e1b145739d6bb75b04fd0ff4d2073f3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59cd414ca6af9fa4af14969797e969537
SHA1132dc7b8a100f6616ca96b8e4732ee6642750181
SHA256515991a060e7a6012509bb0b9e367b2cf732ba980342e3bc2ee39353f7e72651
SHA5124ea96cee20e6d096a3e04d36d9e418cd102eff8012682ae3d60b2f7b2379e738bf07b9c003e1f08de36af86f17f3d58923bfe2cde38b191c9b7197930cb0276f
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Filesize
4.2MB
MD5d555a8931b9e996eef75ee0bf5185a74
SHA185bbdc0f336f3d2ca8de2559a6a7d4fd454f9b24
SHA2566864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a
SHA5121bfcf9be143d75574e0393b0489c3b1f7c53bcb27c4df9c1a52715394ef2695b276cf1f75d60d99159ddae9556568658c2521f5a9e620ee432eb246f99d7a9d5
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec