Analysis
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max time kernel
150s -
max time network
148s -
platform
windows11-21h2_x64 -
resource
win11-20240419-en -
resource tags
arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system -
submitted
15-05-2024 15:36
Static task
static1
Behavioral task
behavioral1
Sample
eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.exe
Resource
win10v2004-20240426-en
General
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Target
eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.exe
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Size
4.1MB
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MD5
6e970a7404786e5a9f6a27982a558982
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SHA1
8684c48f889339ec994a8d3d255b22c17f0c5a32
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SHA256
eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc
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SHA512
3ab47ba9b56cbc53f1ace02cb409d857db2477b96fce71a75cb2a462bf8d0b5d6589d67d039ad44de3f810180e2e7655b20801ab47bd8ad6975768c046fdddfb
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SSDEEP
98304:M4ziXPD6JlCwAB9MdaGWF4olx/WA7Yvzbb8JpNy:M4G/GRAB9MdaGBolx/Wzu4
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral2/memory/3692-2-0x0000000004CE0000-0x00000000055CB000-memory.dmp family_glupteba behavioral2/memory/3692-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3692-24-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/3692-54-0x0000000004CE0000-0x00000000055CB000-memory.dmp family_glupteba behavioral2/memory/3692-56-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3692-55-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/3416-78-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/3416-129-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/2104-205-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/2104-216-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/2104-219-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/2104-224-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/2104-228-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/2104-232-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/2104-235-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/2104-240-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/2104-244-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/2104-247-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4888 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2104 csrss.exe 4568 injector.exe 1628 windefender.exe 1868 windefender.exe -
resource yara_rule behavioral2/files/0x001a00000002ab58-209.dat upx behavioral2/memory/1628-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1628-215-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1868-220-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1868-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.exe Set value (str) \REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.exe 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 eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 256 sc.exe -
pid Process 5080 powershell.exe 2084 powershell.exe 4480 powershell.exe 2808 powershell.exe 3024 powershell.exe 3964 powershell.exe 2192 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 1712 schtasks.exe 4524 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process 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\@tzres.dll,-461 = "Afghanistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-371 = "Jerusalem Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-92 = "Pacific SA Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time" eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.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\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-542 = "Myanmar Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1912 = "Russia TZ 10 Standard Time" eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-232 = "Hawaiian Standard Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 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\2a\52C64B7E\@tzres.dll,-442 = "Arabian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2371 = "Easter Island Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-431 = "Iran Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-562 = "SE Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time" eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1021 = "Bangladesh Daylight Time" eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time" eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time" eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.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\@tzres.dll,-104 = "Central Brazilian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-832 = "SA Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-691 = "Tasmania Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-131 = "US Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-392 = "Arab Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-652 = "AUS Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1932 = "Russia TZ 11 Standard Time" windefender.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" eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.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\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-12 = "Azores Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-512 = "Central Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time" eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time" eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople 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\2a\52C64B7E\@tzres.dll,-2512 = "Lord Howe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2841 = "Saratov Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1501 = "Turkey Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1842 = "Russia TZ 4 Standard Time" eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates 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\@tzres.dll,-451 = "Caucasus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-435 = "Georgian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-791 = "SA Western Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time" eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-111 = "Eastern Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3024 powershell.exe 3024 powershell.exe 3692 eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.exe 3692 eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.exe 3964 powershell.exe 3964 powershell.exe 3416 eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.exe 3416 eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.exe 3416 eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.exe 3416 eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.exe 3416 eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.exe 3416 eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.exe 3416 eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.exe 3416 eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.exe 3416 eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.exe 3416 eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.exe 2192 powershell.exe 2192 powershell.exe 5080 powershell.exe 5080 powershell.exe 2084 powershell.exe 2084 powershell.exe 4480 powershell.exe 4480 powershell.exe 2808 powershell.exe 2808 powershell.exe 4568 injector.exe 4568 injector.exe 4568 injector.exe 4568 injector.exe 4568 injector.exe 4568 injector.exe 2104 csrss.exe 2104 csrss.exe 4568 injector.exe 4568 injector.exe 4568 injector.exe 4568 injector.exe 4568 injector.exe 4568 injector.exe 2104 csrss.exe 2104 csrss.exe 4568 injector.exe 4568 injector.exe 2104 csrss.exe 2104 csrss.exe 4568 injector.exe 4568 injector.exe 4568 injector.exe 4568 injector.exe 4568 injector.exe 4568 injector.exe 4568 injector.exe 4568 injector.exe 4568 injector.exe 4568 injector.exe 4568 injector.exe 4568 injector.exe 4568 injector.exe 4568 injector.exe 4568 injector.exe 4568 injector.exe 4568 injector.exe 4568 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3024 powershell.exe Token: SeDebugPrivilege 3692 eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.exe Token: SeImpersonatePrivilege 3692 eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.exe Token: SeDebugPrivilege 3964 powershell.exe Token: SeDebugPrivilege 2192 powershell.exe Token: SeDebugPrivilege 5080 powershell.exe Token: SeDebugPrivilege 2084 powershell.exe Token: SeDebugPrivilege 4480 powershell.exe Token: SeDebugPrivilege 2808 powershell.exe Token: SeSystemEnvironmentPrivilege 2104 csrss.exe Token: SeSecurityPrivilege 256 sc.exe Token: SeSecurityPrivilege 256 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3692 wrote to memory of 3024 3692 eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.exe 83 PID 3692 wrote to memory of 3024 3692 eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.exe 83 PID 3692 wrote to memory of 3024 3692 eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.exe 83 PID 3416 wrote to memory of 3964 3416 eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.exe 88 PID 3416 wrote to memory of 3964 3416 eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.exe 88 PID 3416 wrote to memory of 3964 3416 eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.exe 88 PID 3416 wrote to memory of 1456 3416 eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.exe 90 PID 3416 wrote to memory of 1456 3416 eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.exe 90 PID 1456 wrote to memory of 4888 1456 cmd.exe 92 PID 1456 wrote to memory of 4888 1456 cmd.exe 92 PID 3416 wrote to memory of 2192 3416 eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.exe 93 PID 3416 wrote to memory of 2192 3416 eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.exe 93 PID 3416 wrote to memory of 2192 3416 eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.exe 93 PID 3416 wrote to memory of 5080 3416 eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.exe 95 PID 3416 wrote to memory of 5080 3416 eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.exe 95 PID 3416 wrote to memory of 5080 3416 eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.exe 95 PID 3416 wrote to memory of 2104 3416 eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.exe 97 PID 3416 wrote to memory of 2104 3416 eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.exe 97 PID 3416 wrote to memory of 2104 3416 eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.exe 97 PID 2104 wrote to memory of 2084 2104 csrss.exe 98 PID 2104 wrote to memory of 2084 2104 csrss.exe 98 PID 2104 wrote to memory of 2084 2104 csrss.exe 98 PID 2104 wrote to memory of 4480 2104 csrss.exe 104 PID 2104 wrote to memory of 4480 2104 csrss.exe 104 PID 2104 wrote to memory of 4480 2104 csrss.exe 104 PID 2104 wrote to memory of 2808 2104 csrss.exe 106 PID 2104 wrote to memory of 2808 2104 csrss.exe 106 PID 2104 wrote to memory of 2808 2104 csrss.exe 106 PID 2104 wrote to memory of 4568 2104 csrss.exe 108 PID 2104 wrote to memory of 4568 2104 csrss.exe 108 PID 1628 wrote to memory of 2320 1628 windefender.exe 114 PID 1628 wrote to memory of 2320 1628 windefender.exe 114 PID 1628 wrote to memory of 2320 1628 windefender.exe 114 PID 2320 wrote to memory of 256 2320 cmd.exe 115 PID 2320 wrote to memory of 256 2320 cmd.exe 115 PID 2320 wrote to memory of 256 2320 cmd.exe 115 -
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\eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.exe"C:\Users\Admin\AppData\Local\Temp\eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3692 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3024
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C:\Users\Admin\AppData\Local\Temp\eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.exe"C:\Users\Admin\AppData\Local\Temp\eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc.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:3416 -
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:3964
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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:1456 -
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:4888
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2192
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5080
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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:2104 -
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:2084
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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:1712
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3152
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4480
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2808
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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:4568
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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:4524
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1628 -
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:2320 -
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:256
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1868
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5cea7602c3e6610e3e0b91710168cd093
SHA1004e087d1504690082ab71b01c9901a1be96d19f
SHA2563091d4e5cab4d8a33b8fee9b589886d81ff64a84a6b39129b2f94f3e0ebb5ff0
SHA512c47fa592230d219b3311fbe7156ac6bdeddc44e3ffdcc61093bbb5c96cfbab9f32aa3d17081a4f3d984dfbdc541fa440ce94181addf6bfdfba84cfda857e411e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52da98e1ded8fe2e2f3c58a9a7713ae49
SHA1e655dafd8bb9ee5c07480872c2dea0f98c6653fb
SHA2567fe5956441f8759bde2767a1b230e6c5141c4fc7e9e4d758064e2570057d6e28
SHA512aaa37823dfa0b823febe145cbe83e36014bdc5a581d340920e5c36838476a2a24122dc2597aba559b142fa216c42ed7edb5f10fcba2c4059a3be9b5b0c532ef6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d116eb570b091f501976f1d91412321d
SHA1cf854aab3e1ab5ccb4dc52d7f799233aa5f07b00
SHA25657bf6ebd6cdd3a1233535df0a3aa22fd856fadf3b62e6812987ab6746ab985b9
SHA5123335524697389ff64948c48dc1cde8db3f7f8892405dfab6b16215cc8e050446d24be03b774e1918acd1c96d1ca8bf8fa603ea92e81e7ae6227215e4d727bc21
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51bbc5aea83635ad0ae57e61c4ba35ed8
SHA10309d14aa64dbb55b8e56434911ea52b65def53f
SHA25687cba1bb89a2f3da3c61f0b945273a8e115baa97b6f4c667e0565d91906ddc6d
SHA51229ae546e098322542b9a00f31946882ced93fc920874246146c5bc38022bd2e85babfbf76dae56974ffd05a5d0392618e1a4e139577726078a598561885d03cf
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c8ffa606a993ac985c5d9a0bad237a3b
SHA112bae422cf4adce140a21d31f523b6f8378f1e31
SHA25675bb054e1bc67c292599dbd5fa70bb9387d24089eebcd018db6d992d27edf286
SHA512dc607b4ce6d21cf9c094318326d64fc205dc29b572989c663421886ada15b1ba62caf185fc52d7c23e0bbbf7db4bf5f0931eee7e32f345e9209cf0dc7dad2e05
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Filesize
4.1MB
MD56e970a7404786e5a9f6a27982a558982
SHA18684c48f889339ec994a8d3d255b22c17f0c5a32
SHA256eb25d2beb11350982613ed5c44d6e788d4ad6071a8524d8f785167865245ebbc
SHA5123ab47ba9b56cbc53f1ace02cb409d857db2477b96fce71a75cb2a462bf8d0b5d6589d67d039ad44de3f810180e2e7655b20801ab47bd8ad6975768c046fdddfb
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec