Analysis
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max time kernel
150s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-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 21 IoCs
resource yara_rule behavioral1/memory/1852-2-0x0000000005270000-0x0000000005B5B000-memory.dmp family_glupteba behavioral1/memory/1852-3-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral1/memory/1852-24-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral1/memory/1852-55-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral1/memory/1852-56-0x0000000005270000-0x0000000005B5B000-memory.dmp family_glupteba behavioral1/memory/2140-58-0x0000000004D30000-0x0000000005132000-memory.dmp family_glupteba behavioral1/memory/2140-59-0x0000000005140000-0x0000000005A2B000-memory.dmp family_glupteba behavioral1/memory/2140-60-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral1/memory/2140-89-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral1/memory/2140-129-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral1/memory/2140-155-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral1/memory/336-224-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral1/memory/336-257-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral1/memory/336-264-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral1/memory/336-268-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral1/memory/336-269-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral1/memory/336-271-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral1/memory/336-273-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral1/memory/336-275-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral1/memory/336-277-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral1/memory/336-279-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4008 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 336 csrss.exe 452 injector.exe 4768 windefender.exe 1184 windefender.exe -
resource yara_rule behavioral1/files/0x00080000000233e3-260.dat upx behavioral1/memory/4768-265-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1184-272-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-553605503-2331009851-2137262461-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.exe Set value (str) \REGISTRY\USER\S-1-5-21-553605503-2331009851-2137262461-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 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 1204 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 4848 schtasks.exe 2196 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,-71 = "Newfoundland Daylight Time" bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.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,-281 = "Central Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-3141 = "South Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-221 = "Alaskan Daylight Time" bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time" bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time" bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-92 = "Pacific SA Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1042 = "Ulaanbaatar Standard 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" bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time" bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.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\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time" bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs 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,-512 = "Central Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2791 = "Novosibirsk Daylight Time" bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.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,-2002 = "Cabo Verde Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-532 = "Sri Lanka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-932 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time" bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time" bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1971 = "Belarus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-772 = "Montevideo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-182 = "Mountain Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time" bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time" bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.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,-771 = "Montevideo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time" bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time" bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-382 = "South Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time" bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2531 = "Chatham Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time" bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.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,-435 = "Georgian Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3028 powershell.exe 3028 powershell.exe 1852 bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.exe 1852 bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.exe 1492 powershell.exe 1492 powershell.exe 2140 bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.exe 2140 bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.exe 2140 bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.exe 2140 bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.exe 2140 bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.exe 2140 bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.exe 2140 bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.exe 2140 bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.exe 2140 bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.exe 2140 bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.exe 2196 powershell.exe 2196 powershell.exe 3288 powershell.exe 3288 powershell.exe 5052 powershell.exe 5052 powershell.exe 3996 powershell.exe 3996 powershell.exe 5048 powershell.exe 5048 powershell.exe 452 injector.exe 452 injector.exe 452 injector.exe 452 injector.exe 452 injector.exe 452 injector.exe 336 csrss.exe 336 csrss.exe 452 injector.exe 452 injector.exe 452 injector.exe 452 injector.exe 452 injector.exe 452 injector.exe 336 csrss.exe 336 csrss.exe 452 injector.exe 452 injector.exe 452 injector.exe 452 injector.exe 452 injector.exe 452 injector.exe 336 csrss.exe 336 csrss.exe 452 injector.exe 452 injector.exe 452 injector.exe 452 injector.exe 452 injector.exe 452 injector.exe 452 injector.exe 452 injector.exe 452 injector.exe 452 injector.exe 452 injector.exe 452 injector.exe 452 injector.exe 452 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3028 powershell.exe Token: SeDebugPrivilege 1852 bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.exe Token: SeImpersonatePrivilege 1852 bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.exe Token: SeDebugPrivilege 1492 powershell.exe Token: SeDebugPrivilege 2196 powershell.exe Token: SeDebugPrivilege 3288 powershell.exe Token: SeDebugPrivilege 5052 powershell.exe Token: SeDebugPrivilege 3996 powershell.exe Token: SeDebugPrivilege 5048 powershell.exe Token: SeSystemEnvironmentPrivilege 336 csrss.exe Token: SeSecurityPrivilege 1204 sc.exe Token: SeSecurityPrivilege 1204 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1852 wrote to memory of 3028 1852 bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.exe 92 PID 1852 wrote to memory of 3028 1852 bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.exe 92 PID 1852 wrote to memory of 3028 1852 bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.exe 92 PID 2140 wrote to memory of 1492 2140 bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.exe 98 PID 2140 wrote to memory of 1492 2140 bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.exe 98 PID 2140 wrote to memory of 1492 2140 bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.exe 98 PID 2140 wrote to memory of 1140 2140 bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.exe 102 PID 2140 wrote to memory of 1140 2140 bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.exe 102 PID 1140 wrote to memory of 4008 1140 cmd.exe 104 PID 1140 wrote to memory of 4008 1140 cmd.exe 104 PID 2140 wrote to memory of 2196 2140 bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.exe 105 PID 2140 wrote to memory of 2196 2140 bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.exe 105 PID 2140 wrote to memory of 2196 2140 bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.exe 105 PID 2140 wrote to memory of 3288 2140 bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.exe 107 PID 2140 wrote to memory of 3288 2140 bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.exe 107 PID 2140 wrote to memory of 3288 2140 bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.exe 107 PID 2140 wrote to memory of 336 2140 bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.exe 109 PID 2140 wrote to memory of 336 2140 bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.exe 109 PID 2140 wrote to memory of 336 2140 bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6.exe 109 PID 336 wrote to memory of 5052 336 csrss.exe 110 PID 336 wrote to memory of 5052 336 csrss.exe 110 PID 336 wrote to memory of 5052 336 csrss.exe 110 PID 336 wrote to memory of 3996 336 csrss.exe 115 PID 336 wrote to memory of 3996 336 csrss.exe 115 PID 336 wrote to memory of 3996 336 csrss.exe 115 PID 336 wrote to memory of 5048 336 csrss.exe 118 PID 336 wrote to memory of 5048 336 csrss.exe 118 PID 336 wrote to memory of 5048 336 csrss.exe 118 PID 336 wrote to memory of 452 336 csrss.exe 120 PID 336 wrote to memory of 452 336 csrss.exe 120 PID 4768 wrote to memory of 4704 4768 windefender.exe 126 PID 4768 wrote to memory of 4704 4768 windefender.exe 126 PID 4768 wrote to memory of 4704 4768 windefender.exe 126 PID 4704 wrote to memory of 1204 4704 cmd.exe 127 PID 4704 wrote to memory of 1204 4704 cmd.exe 127 PID 4704 wrote to memory of 1204 4704 cmd.exe 127 -
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:1852 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3028
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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:2140 -
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:1492
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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:1140 -
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:4008
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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:2196
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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:3288
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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:336 -
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:5052
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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:4848
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1628
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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:3996
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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:5048
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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:452
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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:2196
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4768 -
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:4704 -
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:1204
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1184
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
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5bb726147145b514b2884afb2e875ebc3
SHA12799d447503b3b1da87e525a7aa1601f8741c07f
SHA256a49a8891b0f533ef8690aa7d46a22a786d6355ce675af3ec2ebf3ffb7b93d347
SHA512544080110f5d0165db443a1d22ddd982aadbe83c93cda8e6c6b1f1708e5afbdc67e6d5f475f3ee02dbf555b412aea3098a5e37e566f55b5ea4b761d10daef794
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5995897d9b6d5c65cb9803817cc1a109d
SHA1aba5e2fec6dfc2ce83f4ee0eea8b2616169ad631
SHA256862ce3e9da5598c869d594cf3be2f4e51a50e80dd17180f29d3a1f629e9afe59
SHA512fa2ed218196680871610467b07454eda69ed1a1069ffbdf601ebf8edb99910ce6eab55f6ce4457b60e1d649e1ca51927b16dab0645824c14638280bb3b7d78dc
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52b32246a426ac556033a383890e8ce8e
SHA183fd79684b36ccb0c3c89cdcd9a9400adc5ea233
SHA2568505d32ffd4b5cdf326d77e3e877e6a5147c3615bd0063cb708e99d5e682a010
SHA5120a37b41159fd758d876c80f9995f54957f91b6782ee8723c868cc70f2fdddd1f6a4259610c3f79e7f0e15e86a14f5cbd90d6769172f8671d2568cb58d7517424
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59b7b31db981fd77ac067cdd5eb7e1d60
SHA1534f5ba4fb3a58d39b161f454cf2eae0efdca04c
SHA2564c31bff0fa44caea176745e06e8b649220472ceca224cd8e7fdb617158b268fd
SHA5126cafa8f721a9017bd00029f6d229614616419875d8bb6743f4c5973e44e8b885771359935fe1c602931b535ec0819cbbd58c31a40ff79b18210157ae3834fbfe
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e6cb31ca7c4c03dd72e4a9fad192d78b
SHA1d1ff0ef9e5f24663bbed56124a8d300d5ff5e461
SHA256c061b470289e541694c6025126212c1b08b526a4521fd4802130a5f553878481
SHA5129c7c6fc388e9772555bac1a97686a48d7d2d4287aabcd556b91f204a14a335438e489f61b942338a8592f2041ad3c0dd9b578c395c656c9fef6210534e4ee82d
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Filesize
4.2MB
MD5ce57b5dce0868245685f17d73c85aea1
SHA12811a64847b91d734e17ba35ee73a803ab680cac
SHA256bf1497d3bcdbe24885b0fc93de19b08fc8e091f1083c282bb5f51d4940d3c3f6
SHA5122b18e1feaee10706bc024655949900db21f85b3da2d7e9aed5b55d5ca210057288c82d62d4125e84fbc9aec932c252e785d01c214518f66b719fbddff4e9fea7
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec