Analysis
-
max time kernel
150s -
max time network
130s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
15-05-2024 15:28
Static task
static1
Behavioral task
behavioral1
Sample
604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.exe
Resource
win10v2004-20240508-en
General
-
Target
604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.exe
-
Size
4.1MB
-
MD5
fd9a845cee7cb461002ae885dee64b89
-
SHA1
4647ed87d3160075412de8f39c4e60fbbc2196d6
-
SHA256
604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3
-
SHA512
19ec85ddf8c43f756137f121ee11da95316bca0887d486494eed2f95a74d4e67b66bf860bfd1bc29d675d29ec32c40df25209958c0e9dade807b1b4fc36eef5d
-
SSDEEP
98304:04ziXPD6JlCwAB9MdaGWF4olx/WA7Yvzbb8JpND:04G/GRAB9MdaGBolx/Wzut
Malware Config
Signatures
-
Glupteba payload 18 IoCs
resource yara_rule behavioral2/memory/1696-2-0x0000000004D40000-0x000000000562B000-memory.dmp family_glupteba behavioral2/memory/1696-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1696-52-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/1696-63-0x0000000004D40000-0x000000000562B000-memory.dmp family_glupteba behavioral2/memory/1696-126-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3028-125-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4904-195-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4904-213-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4904-216-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4904-220-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4904-224-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4904-228-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4904-231-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4904-236-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4904-240-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4904-244-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4904-248-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4904-251-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 5032 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4904 csrss.exe 3812 injector.exe 4568 windefender.exe 2944 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa1d-207.dat upx behavioral2/memory/4568-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2944-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4568-206-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2944-217-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2944-225-0x0000000000400000-0x00000000008DF000-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\"" 604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.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.
-
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 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 -
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 604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.exe File created C:\Windows\rss\csrss.exe 604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 3128 sc.exe -
pid Process 2884 powershell.exe 4668 powershell.exe 240 powershell.exe 456 powershell.exe 3824 powershell.exe 3928 powershell.exe 744 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 4532 schtasks.exe 236 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time" 604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time" 604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" 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,-742 = "New Zealand Standard Time" 604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" 604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.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,-2942 = "Sao Tome Standard Time" 604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time" 604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time" 604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" 604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time" 604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time" 604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-632 = "Tokyo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-441 = "Arabian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-81 = "Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2512 = "Lord Howe Standard 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" 604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" 604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.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\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time" 604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time" 604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time" 604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2162 = "Altai 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\@tzres.dll,-1722 = "Libya Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time" 604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time" 604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1912 = "Russia TZ 10 Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time" 604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time" 604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time" 604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-681 = "E. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-982 = "Kamchatka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-741 = "New Zealand Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" 604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time" 604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-282 = "Central Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time" 604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.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,-2611 = "Bougainville Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-361 = "GTB Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time" 604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" 604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time" 604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3824 powershell.exe 3824 powershell.exe 1696 604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.exe 1696 604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.exe 3928 powershell.exe 3928 powershell.exe 3028 604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.exe 3028 604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.exe 3028 604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.exe 3028 604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.exe 3028 604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.exe 3028 604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.exe 3028 604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.exe 3028 604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.exe 3028 604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.exe 3028 604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.exe 744 powershell.exe 744 powershell.exe 2884 powershell.exe 2884 powershell.exe 4668 powershell.exe 4668 powershell.exe 240 powershell.exe 240 powershell.exe 456 powershell.exe 456 powershell.exe 3812 injector.exe 3812 injector.exe 3812 injector.exe 3812 injector.exe 3812 injector.exe 3812 injector.exe 4904 csrss.exe 4904 csrss.exe 3812 injector.exe 3812 injector.exe 3812 injector.exe 3812 injector.exe 3812 injector.exe 3812 injector.exe 4904 csrss.exe 4904 csrss.exe 3812 injector.exe 3812 injector.exe 4904 csrss.exe 4904 csrss.exe 3812 injector.exe 3812 injector.exe 3812 injector.exe 3812 injector.exe 3812 injector.exe 3812 injector.exe 3812 injector.exe 3812 injector.exe 3812 injector.exe 3812 injector.exe 3812 injector.exe 3812 injector.exe 3812 injector.exe 3812 injector.exe 3812 injector.exe 3812 injector.exe 3812 injector.exe 3812 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3824 powershell.exe Token: SeDebugPrivilege 1696 604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.exe Token: SeImpersonatePrivilege 1696 604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.exe Token: SeDebugPrivilege 3928 powershell.exe Token: SeDebugPrivilege 744 powershell.exe Token: SeDebugPrivilege 2884 powershell.exe Token: SeDebugPrivilege 4668 powershell.exe Token: SeDebugPrivilege 240 powershell.exe Token: SeDebugPrivilege 456 powershell.exe Token: SeSystemEnvironmentPrivilege 4904 csrss.exe Token: SeSecurityPrivilege 3128 sc.exe Token: SeSecurityPrivilege 3128 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1696 wrote to memory of 3824 1696 604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.exe 82 PID 1696 wrote to memory of 3824 1696 604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.exe 82 PID 1696 wrote to memory of 3824 1696 604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.exe 82 PID 3028 wrote to memory of 3928 3028 604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.exe 87 PID 3028 wrote to memory of 3928 3028 604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.exe 87 PID 3028 wrote to memory of 3928 3028 604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.exe 87 PID 3028 wrote to memory of 1604 3028 604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.exe 89 PID 3028 wrote to memory of 1604 3028 604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.exe 89 PID 1604 wrote to memory of 5032 1604 cmd.exe 91 PID 1604 wrote to memory of 5032 1604 cmd.exe 91 PID 3028 wrote to memory of 744 3028 604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.exe 92 PID 3028 wrote to memory of 744 3028 604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.exe 92 PID 3028 wrote to memory of 744 3028 604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.exe 92 PID 3028 wrote to memory of 2884 3028 604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.exe 94 PID 3028 wrote to memory of 2884 3028 604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.exe 94 PID 3028 wrote to memory of 2884 3028 604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.exe 94 PID 3028 wrote to memory of 4904 3028 604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.exe 96 PID 3028 wrote to memory of 4904 3028 604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.exe 96 PID 3028 wrote to memory of 4904 3028 604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.exe 96 PID 4904 wrote to memory of 4668 4904 csrss.exe 97 PID 4904 wrote to memory of 4668 4904 csrss.exe 97 PID 4904 wrote to memory of 4668 4904 csrss.exe 97 PID 4904 wrote to memory of 240 4904 csrss.exe 102 PID 4904 wrote to memory of 240 4904 csrss.exe 102 PID 4904 wrote to memory of 240 4904 csrss.exe 102 PID 4904 wrote to memory of 456 4904 csrss.exe 105 PID 4904 wrote to memory of 456 4904 csrss.exe 105 PID 4904 wrote to memory of 456 4904 csrss.exe 105 PID 4904 wrote to memory of 3812 4904 csrss.exe 107 PID 4904 wrote to memory of 3812 4904 csrss.exe 107 PID 4568 wrote to memory of 760 4568 windefender.exe 113 PID 4568 wrote to memory of 760 4568 windefender.exe 113 PID 4568 wrote to memory of 760 4568 windefender.exe 113 PID 760 wrote to memory of 3128 760 cmd.exe 114 PID 760 wrote to memory of 3128 760 cmd.exe 114 PID 760 wrote to memory of 3128 760 cmd.exe 114 -
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
-
C:\Users\Admin\AppData\Local\Temp\604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.exe"C:\Users\Admin\AppData\Local\Temp\604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1696 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3824
-
-
C:\Users\Admin\AppData\Local\Temp\604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.exe"C:\Users\Admin\AppData\Local\Temp\604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.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:3028 -
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:3928
-
-
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:1604 -
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:5032
-
-
-
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:744
-
-
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:2884
-
-
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:4904 -
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:4668
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:4532
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3500
-
-
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:240
-
-
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:456
-
-
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:3812
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:236
-
-
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4568 -
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:760 -
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:3128
-
-
-
-
-
-
C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2944
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
Loading Replay Monitor...
Downloads
-
Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
-
Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD505756230e12e1769778781720820e63b
SHA1a505cfde6573c54f0b78d1cb960595c49c0b464d
SHA2569516468871dcb1214a0ab61794572553ef7fe8549cb6d273894cb4203f957c8d
SHA512947dbd59bb2e95798d509c13291d7b72a9d7f9f346bfaee41a80702ebf07b0be03888c1f9bffbdc6696e80623ee14f3c87b81c065f460298f997426db7c4d568
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c1df5ac3423a5001c5aa7584abdb37cc
SHA1262a23b8025a24b76d53fd6446734c0e0e79c1c5
SHA256c1482114d1fe145a7b880368a2d0824813c0a754c8121c2c03fbefc0deb0b667
SHA51212c08444825ea97f7e2fc50b48cba8f85722bcdeead22785b83733877d2de2adb5bf8c8924ce04600d574bc063730701dfc4542b3de365bffd35cc7c21287e41
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5bc50e4f1411eb8bb81f7a460e5b8a1a6
SHA1797a0940efcbbc0f0addb070585617597d4c2df8
SHA25648b8b0282480ea93987891a3bb32d73d194361030eb8be4bda9acbab7e68fbb9
SHA512cf09ca13105a02805a9c7c452633ab9734442f032b1fa6df0b15e9d83ba21fed153a1d25ecf49ee884cc1ae58a6fe9d7412a3e70e6a2bd789e666495f0a16c25
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ff893c95e448798a1c2007b3b2a447ab
SHA11117d7e284310f6da1e21b4972259fe675d828fe
SHA256472b5904d7b7baea5080e26fa1fc29f8cab4095bf0e468dd62c2143b73baaa83
SHA512f5073cc707a3fefc48d066ecdf131ec3004a961879c2ecfa69fecaab2329ec88e0ae614dec83030510816f7f8db4eed441826f58da0d974f7d908863c685b312
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57c86a689ea7f9672ccceed3f3b263a3f
SHA1d587ea05ed7569dfbf69cf99658700633bde8aeb
SHA2561c59a4c32b8951c7840a774e955124d6e4b4682b706d792deb10c2ca9e73d7ae
SHA5120e340914f133cee332374dd80820b7a7117d85c94b60ac888949f14cebc7196238a73f37ba87718e466a91000f1c0f6a58a4c48a24b35a1afccba47fe581f525
-
Filesize
4.1MB
MD5fd9a845cee7cb461002ae885dee64b89
SHA14647ed87d3160075412de8f39c4e60fbbc2196d6
SHA256604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3
SHA51219ec85ddf8c43f756137f121ee11da95316bca0887d486494eed2f95a74d4e67b66bf860bfd1bc29d675d29ec32c40df25209958c0e9dade807b1b4fc36eef5d
-
Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec