Analysis
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max time kernel
152s -
max time network
162s -
platform
windows11-21h2_x64 -
resource
win11-20240412-en -
resource tags
arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system -
submitted
17/04/2024, 15:43
Static task
static1
Behavioral task
behavioral1
Sample
bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.exe
Resource
win10v2004-20240412-en
General
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Target
bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.exe
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Size
4.2MB
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MD5
ce57b5dce0868245685f17d73c85aea1
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SHA1
2811a64847b91d734e17ba35ee73a803ab680cac
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SHA256
bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6
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SHA512
2b18e1feaee10706bc024655949900db21f85b3da2d7e9aed5b55d5ca210057288c82d62d4125e84fbc9aec932c252e785d01c214518f66b719fbddff4e9fea7
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SSDEEP
98304:+z7Cg0ld9bGpeFIidtQ9zICqBAsCsR7hN5aqRYTU7J:07NcfZtQ9LJEd3aOYT+J
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/1344-2-0x0000000005370000-0x0000000005C5B000-memory.dmp family_glupteba behavioral2/memory/1344-3-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral2/memory/1344-46-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral2/memory/2780-54-0x0000000005240000-0x0000000005B2B000-memory.dmp family_glupteba behavioral2/memory/2780-55-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral2/memory/1344-65-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral2/memory/2780-84-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral2/memory/2780-114-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral2/memory/2780-145-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral2/memory/2124-150-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral2/memory/2124-175-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral2/memory/2124-238-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral2/memory/2124-245-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral2/memory/2124-255-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral2/memory/2124-258-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral2/memory/2124-261-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral2/memory/2124-264-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral2/memory/2124-267-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral2/memory/2124-270-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4084 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2124 csrss.exe 1500 injector.exe 464 windefender.exe 3304 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a9e7-248.dat upx behavioral2/memory/464-253-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3304-266-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1734202354-1504186683-2192872036-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-1734202354-1504186683-2192872036-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.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\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 File created 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 bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.exe File created C:\Windows\rss\csrss.exe bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.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 3600 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 3772 schtasks.exe 3708 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\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,-2792 = "Novosibirsk Standard Time" bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time" bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1021 = "Bangladesh Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2612 = "Bougainville Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-562 = "SE Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-412 = "E. Africa Standard Time" bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time" bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-871 = "Pakistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-41 = "E. South America Daylight Time" bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time" bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time" bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time" bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1862 = "Russia TZ 6 Standard Time" bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time" bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-911 = "Mauritius Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-131 = "US Eastern Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-981 = "Kamchatka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time" bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-3141 = "South Sudan Daylight Time" bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs 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\26\52C64B7E\@tzres.dll,-2942 = "Sao Tome Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time" bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2392 = "Aleutian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-151 = "Central America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-502 = "Nepal Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust 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,-2391 = "Aleutian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time" bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time" bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time" bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.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\26\52C64B7E\@tzres.dll,-2532 = "Chatham Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-381 = "South Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time" bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 5108 powershell.exe 5108 powershell.exe 1344 bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.exe 1344 bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.exe 1276 powershell.exe 1276 powershell.exe 2780 bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.exe 2780 bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.exe 2780 bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.exe 2780 bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.exe 2780 bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.exe 2780 bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.exe 2780 bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.exe 2780 bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.exe 2780 bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.exe 2780 bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.exe 1976 powershell.exe 1976 powershell.exe 4720 powershell.exe 4720 powershell.exe 712 powershell.exe 712 powershell.exe 2184 powershell.exe 2184 powershell.exe 3912 powershell.exe 3912 powershell.exe 1500 injector.exe 1500 injector.exe 1500 injector.exe 1500 injector.exe 1500 injector.exe 1500 injector.exe 2124 csrss.exe 2124 csrss.exe 1500 injector.exe 1500 injector.exe 1500 injector.exe 1500 injector.exe 1500 injector.exe 1500 injector.exe 2124 csrss.exe 2124 csrss.exe 1500 injector.exe 1500 injector.exe 1500 injector.exe 1500 injector.exe 1500 injector.exe 1500 injector.exe 2124 csrss.exe 2124 csrss.exe 1500 injector.exe 1500 injector.exe 1500 injector.exe 1500 injector.exe 1500 injector.exe 1500 injector.exe 1500 injector.exe 1500 injector.exe 1500 injector.exe 1500 injector.exe 1500 injector.exe 1500 injector.exe 1500 injector.exe 1500 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 5108 powershell.exe Token: SeDebugPrivilege 1344 bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.exe Token: SeImpersonatePrivilege 1344 bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.exe Token: SeDebugPrivilege 1276 powershell.exe Token: SeDebugPrivilege 1976 powershell.exe Token: SeDebugPrivilege 4720 powershell.exe Token: SeDebugPrivilege 712 powershell.exe Token: SeDebugPrivilege 2184 powershell.exe Token: SeDebugPrivilege 3912 powershell.exe Token: SeSystemEnvironmentPrivilege 2124 csrss.exe Token: SeSecurityPrivilege 3600 sc.exe Token: SeSecurityPrivilege 3600 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1344 wrote to memory of 5108 1344 bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.exe 82 PID 1344 wrote to memory of 5108 1344 bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.exe 82 PID 1344 wrote to memory of 5108 1344 bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.exe 82 PID 2780 wrote to memory of 1276 2780 bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.exe 87 PID 2780 wrote to memory of 1276 2780 bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.exe 87 PID 2780 wrote to memory of 1276 2780 bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.exe 87 PID 2780 wrote to memory of 2816 2780 bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.exe 89 PID 2780 wrote to memory of 2816 2780 bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.exe 89 PID 2816 wrote to memory of 4084 2816 cmd.exe 91 PID 2816 wrote to memory of 4084 2816 cmd.exe 91 PID 2780 wrote to memory of 1976 2780 bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.exe 92 PID 2780 wrote to memory of 1976 2780 bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.exe 92 PID 2780 wrote to memory of 1976 2780 bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.exe 92 PID 2780 wrote to memory of 4720 2780 bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.exe 94 PID 2780 wrote to memory of 4720 2780 bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.exe 94 PID 2780 wrote to memory of 4720 2780 bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.exe 94 PID 2780 wrote to memory of 2124 2780 bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.exe 96 PID 2780 wrote to memory of 2124 2780 bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.exe 96 PID 2780 wrote to memory of 2124 2780 bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.exe 96 PID 2124 wrote to memory of 712 2124 csrss.exe 97 PID 2124 wrote to memory of 712 2124 csrss.exe 97 PID 2124 wrote to memory of 712 2124 csrss.exe 97 PID 2124 wrote to memory of 2184 2124 csrss.exe 103 PID 2124 wrote to memory of 2184 2124 csrss.exe 103 PID 2124 wrote to memory of 2184 2124 csrss.exe 103 PID 2124 wrote to memory of 3912 2124 csrss.exe 105 PID 2124 wrote to memory of 3912 2124 csrss.exe 105 PID 2124 wrote to memory of 3912 2124 csrss.exe 105 PID 2124 wrote to memory of 1500 2124 csrss.exe 107 PID 2124 wrote to memory of 1500 2124 csrss.exe 107 PID 464 wrote to memory of 692 464 windefender.exe 113 PID 464 wrote to memory of 692 464 windefender.exe 113 PID 464 wrote to memory of 692 464 windefender.exe 113 PID 692 wrote to memory of 3600 692 cmd.exe 114 PID 692 wrote to memory of 3600 692 cmd.exe 114 PID 692 wrote to memory of 3600 692 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
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C:\Users\Admin\AppData\Local\Temp\bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.exe"C:\Users\Admin\AppData\Local\Temp\bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1344 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5108
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C:\Users\Admin\AppData\Local\Temp\bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.exe"C:\Users\Admin\AppData\Local\Temp\bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.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:2780 -
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:1276
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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:2816 -
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:4084
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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:1976
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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:4720
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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:2124 -
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:712
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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:3772
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4672
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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:2184
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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:3912
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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:1500
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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:3708
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:464 -
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:692 -
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:3600
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3304
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
MD545a111ad8cdd4823f7e5ccd27c53a700
SHA17a4b6d71ed7f43326739ad40da230851716ab056
SHA25643960d6a6bf4fe6b3cbddf83f77f7754e947d5049c689ca25c1256bc5382edf3
SHA5124a5ec769d656f27cf3c7ba3542e7a59d571d278aea54762d768142f73543f2e35d139e7ac925b5ba25091841e958c698b64e14057459412cf5e09e159a5ebfc6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5eb32f610c2dd5d2c8d3207ab94001b8d
SHA1327bca1288a1d71f95a86ecd8ed6c866167a8b6a
SHA256d19fa0096ca26f729ab8f3fa3a8ef1a84a1e8ebf915577aedafa6d55859d4619
SHA512e1f64c01f35f6b1b1a68e1442e872743eb17643168e1c459ed7bdea510e2c7b5b444b3e69500b2fbe880b39d45690370ecf8d067af906664e249b6dead50004a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5752dc48ac77dca51b111ddbabdf34657
SHA1da9fd4fd4d75880f82f1e09f42e9591a65d998cb
SHA256ff05a6a6e508b53b754b53f03cf11616d5166f4705380f7fcce6bb43aff3d8e8
SHA5125f958f3c4cd00c07022b99d9d8b792ce7a54e8866b75a27feb7de22e00c50991f00896e908151b3ecc132c68d2402c1cafde4df286ee7d5cf7e482638742b05d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5615717d98849f436abe9d71832dc7453
SHA195d5566ef51954cf6899662547744e37e5076088
SHA2566d97669c55dd91dec85dc53dfd9430013967b5a2f0d30fb538733556e2d23ee6
SHA5125d45aef4e61ffea1b549de0b8a91a5fdcc353eacbd1b1581237dd697052dc0c68674e87ea9d037b74e91d8186e8c28c9a12fceb17cdba5aca3198d54ad6e7875
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e2e2781e9d19e079d40980f35d8fc6bc
SHA1ae3aa2bd5391dba9b0dba75782091192a4e94c14
SHA2569bd67bd23f2d75a11ad077900319143944933171982c37cf372d17c135849484
SHA51294ce7a8d27a223b573bf0417ef75ddf18ceac3ce7c3e1e9a6d3970f2d9262c2be61cc88f577b534c07a10d4e7f6158fa4f31d7c086687eb42ebd29c7fb6ce090
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Filesize
4.2MB
MD5ce57b5dce0868245685f17d73c85aea1
SHA12811a64847b91d734e17ba35ee73a803ab680cac
SHA256bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6
SHA5122b18e1feaee10706bc024655949900db21f85b3da2d7e9aed5b55d5ca210057288c82d62d4125e84fbc9aec932c252e785d01c214518f66b719fbddff4e9fea7
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec