Analysis
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max time kernel
150s -
max time network
151s -
platform
windows11-21h2_x64 -
resource
win11-20240412-en -
resource tags
arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system -
submitted
19/04/2024, 19:24
Static task
static1
Behavioral task
behavioral1
Sample
49eec0d1d674e35fa769b816028bd909abc9efd6c1cc74d20532c3d912d67097.exe
Resource
win10v2004-20240226-en
General
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Target
49eec0d1d674e35fa769b816028bd909abc9efd6c1cc74d20532c3d912d67097.exe
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Size
4.2MB
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MD5
2d1d199e487d372b752cb35b9baa6abb
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SHA1
0874382c679fd23f67e874bc9fef3f9976f19db3
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SHA256
49eec0d1d674e35fa769b816028bd909abc9efd6c1cc74d20532c3d912d67097
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SHA512
32518eeea419b8c6298f5ba5fd437df792e948a9197a21709e48a327fd77d1c3009d713062d7707c3c58a698c5d78dada08acd8679197945770a8fb0d4fcbff6
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SSDEEP
98304:TtwUIgr6Tu/hivXD0fl0IvZVjhgp1+mYFjvUcmYnimsjZaHe0:Rw6rquKXDtU1Y2GYniVjUHF
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral2/memory/2492-2-0x0000000004230000-0x0000000004B1B000-memory.dmp family_glupteba behavioral2/memory/2492-3-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/2900-53-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/2900-54-0x0000000004060000-0x000000000494B000-memory.dmp family_glupteba behavioral2/memory/2492-80-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/2900-119-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/2900-146-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/784-241-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/784-251-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/784-254-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/784-257-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/784-260-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/784-263-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/784-266-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/784-269-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/784-272-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/784-275-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/784-278-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/784-281-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/784-284-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1204 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 784 csrss.exe 2308 injector.exe 2972 windefender.exe 3992 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa1f-244.dat upx behavioral2/memory/2972-249-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3992-253-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3992-259-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-801878912-692986033-442676226-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 49eec0d1d674e35fa769b816028bd909abc9efd6c1cc74d20532c3d912d67097.exe Set value (str) \REGISTRY\USER\S-1-5-21-801878912-692986033-442676226-1000\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\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 49eec0d1d674e35fa769b816028bd909abc9efd6c1cc74d20532c3d912d67097.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe 49eec0d1d674e35fa769b816028bd909abc9efd6c1cc74d20532c3d912d67097.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 49eec0d1d674e35fa769b816028bd909abc9efd6c1cc74d20532c3d912d67097.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 4208 sc.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 4744 2900 WerFault.exe 85 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3424 schtasks.exe 1736 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-742 = "New Zealand Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-242 = "Samoa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" 49eec0d1d674e35fa769b816028bd909abc9efd6c1cc74d20532c3d912d67097.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs 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\@tzres.dll,-231 = "Hawaiian Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates 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,-752 = "Tonga Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" 49eec0d1d674e35fa769b816028bd909abc9efd6c1cc74d20532c3d912d67097.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time" 49eec0d1d674e35fa769b816028bd909abc9efd6c1cc74d20532c3d912d67097.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-842 = "Argentina Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time" 49eec0d1d674e35fa769b816028bd909abc9efd6c1cc74d20532c3d912d67097.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" 49eec0d1d674e35fa769b816028bd909abc9efd6c1cc74d20532c3d912d67097.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs 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,-282 = "Central Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time" 49eec0d1d674e35fa769b816028bd909abc9efd6c1cc74d20532c3d912d67097.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-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,-412 = "E. Africa Standard Time" 49eec0d1d674e35fa769b816028bd909abc9efd6c1cc74d20532c3d912d67097.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time" 49eec0d1d674e35fa769b816028bd909abc9efd6c1cc74d20532c3d912d67097.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time" 49eec0d1d674e35fa769b816028bd909abc9efd6c1cc74d20532c3d912d67097.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-385 = "Namibia Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs 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,-682 = "E. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" 49eec0d1d674e35fa769b816028bd909abc9efd6c1cc74d20532c3d912d67097.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" 49eec0d1d674e35fa769b816028bd909abc9efd6c1cc74d20532c3d912d67097.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates 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\@tzres.dll,-442 = "Arabian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-371 = "Jerusalem Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-301 = "Romance Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-791 = "SA Western Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time" 49eec0d1d674e35fa769b816028bd909abc9efd6c1cc74d20532c3d912d67097.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time" 49eec0d1d674e35fa769b816028bd909abc9efd6c1cc74d20532c3d912d67097.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.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,-1892 = "Russia TZ 3 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time" 49eec0d1d674e35fa769b816028bd909abc9efd6c1cc74d20532c3d912d67097.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" 49eec0d1d674e35fa769b816028bd909abc9efd6c1cc74d20532c3d912d67097.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time" 49eec0d1d674e35fa769b816028bd909abc9efd6c1cc74d20532c3d912d67097.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-11 = "Azores Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-435 = "Georgian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1872 = "Russia TZ 7 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2142 = "Transbaikal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time" 49eec0d1d674e35fa769b816028bd909abc9efd6c1cc74d20532c3d912d67097.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-152 = "Central America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-171 = "Central Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time" 49eec0d1d674e35fa769b816028bd909abc9efd6c1cc74d20532c3d912d67097.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)" 49eec0d1d674e35fa769b816028bd909abc9efd6c1cc74d20532c3d912d67097.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 5104 powershell.exe 5104 powershell.exe 2492 49eec0d1d674e35fa769b816028bd909abc9efd6c1cc74d20532c3d912d67097.exe 2492 49eec0d1d674e35fa769b816028bd909abc9efd6c1cc74d20532c3d912d67097.exe 2776 powershell.exe 2776 powershell.exe 2900 49eec0d1d674e35fa769b816028bd909abc9efd6c1cc74d20532c3d912d67097.exe 2900 49eec0d1d674e35fa769b816028bd909abc9efd6c1cc74d20532c3d912d67097.exe 2900 49eec0d1d674e35fa769b816028bd909abc9efd6c1cc74d20532c3d912d67097.exe 2900 49eec0d1d674e35fa769b816028bd909abc9efd6c1cc74d20532c3d912d67097.exe 2900 49eec0d1d674e35fa769b816028bd909abc9efd6c1cc74d20532c3d912d67097.exe 2900 49eec0d1d674e35fa769b816028bd909abc9efd6c1cc74d20532c3d912d67097.exe 2900 49eec0d1d674e35fa769b816028bd909abc9efd6c1cc74d20532c3d912d67097.exe 2900 49eec0d1d674e35fa769b816028bd909abc9efd6c1cc74d20532c3d912d67097.exe 2900 49eec0d1d674e35fa769b816028bd909abc9efd6c1cc74d20532c3d912d67097.exe 2900 49eec0d1d674e35fa769b816028bd909abc9efd6c1cc74d20532c3d912d67097.exe 944 powershell.exe 944 powershell.exe 3352 powershell.exe 3352 powershell.exe 676 powershell.exe 676 powershell.exe 4028 powershell.exe 4028 powershell.exe 384 powershell.exe 384 powershell.exe 2308 injector.exe 2308 injector.exe 2308 injector.exe 2308 injector.exe 2308 injector.exe 2308 injector.exe 784 csrss.exe 784 csrss.exe 2308 injector.exe 2308 injector.exe 2308 injector.exe 2308 injector.exe 2308 injector.exe 2308 injector.exe 784 csrss.exe 784 csrss.exe 2308 injector.exe 2308 injector.exe 2308 injector.exe 2308 injector.exe 2308 injector.exe 2308 injector.exe 2308 injector.exe 2308 injector.exe 784 csrss.exe 784 csrss.exe 2308 injector.exe 2308 injector.exe 2308 injector.exe 2308 injector.exe 2308 injector.exe 2308 injector.exe 2308 injector.exe 2308 injector.exe 2308 injector.exe 2308 injector.exe 2308 injector.exe 2308 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 5104 powershell.exe Token: SeDebugPrivilege 2492 49eec0d1d674e35fa769b816028bd909abc9efd6c1cc74d20532c3d912d67097.exe Token: SeImpersonatePrivilege 2492 49eec0d1d674e35fa769b816028bd909abc9efd6c1cc74d20532c3d912d67097.exe Token: SeDebugPrivilege 2776 powershell.exe Token: SeDebugPrivilege 944 powershell.exe Token: SeDebugPrivilege 3352 powershell.exe Token: SeDebugPrivilege 676 powershell.exe Token: SeDebugPrivilege 4028 powershell.exe Token: SeDebugPrivilege 384 powershell.exe Token: SeSystemEnvironmentPrivilege 784 csrss.exe Token: SeSecurityPrivilege 4208 sc.exe Token: SeSecurityPrivilege 4208 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2492 wrote to memory of 5104 2492 49eec0d1d674e35fa769b816028bd909abc9efd6c1cc74d20532c3d912d67097.exe 80 PID 2492 wrote to memory of 5104 2492 49eec0d1d674e35fa769b816028bd909abc9efd6c1cc74d20532c3d912d67097.exe 80 PID 2492 wrote to memory of 5104 2492 49eec0d1d674e35fa769b816028bd909abc9efd6c1cc74d20532c3d912d67097.exe 80 PID 2900 wrote to memory of 2776 2900 49eec0d1d674e35fa769b816028bd909abc9efd6c1cc74d20532c3d912d67097.exe 86 PID 2900 wrote to memory of 2776 2900 49eec0d1d674e35fa769b816028bd909abc9efd6c1cc74d20532c3d912d67097.exe 86 PID 2900 wrote to memory of 2776 2900 49eec0d1d674e35fa769b816028bd909abc9efd6c1cc74d20532c3d912d67097.exe 86 PID 2900 wrote to memory of 4780 2900 49eec0d1d674e35fa769b816028bd909abc9efd6c1cc74d20532c3d912d67097.exe 88 PID 2900 wrote to memory of 4780 2900 49eec0d1d674e35fa769b816028bd909abc9efd6c1cc74d20532c3d912d67097.exe 88 PID 4780 wrote to memory of 1204 4780 cmd.exe 90 PID 4780 wrote to memory of 1204 4780 cmd.exe 90 PID 2900 wrote to memory of 944 2900 49eec0d1d674e35fa769b816028bd909abc9efd6c1cc74d20532c3d912d67097.exe 91 PID 2900 wrote to memory of 944 2900 49eec0d1d674e35fa769b816028bd909abc9efd6c1cc74d20532c3d912d67097.exe 91 PID 2900 wrote to memory of 944 2900 49eec0d1d674e35fa769b816028bd909abc9efd6c1cc74d20532c3d912d67097.exe 91 PID 2900 wrote to memory of 3352 2900 49eec0d1d674e35fa769b816028bd909abc9efd6c1cc74d20532c3d912d67097.exe 93 PID 2900 wrote to memory of 3352 2900 49eec0d1d674e35fa769b816028bd909abc9efd6c1cc74d20532c3d912d67097.exe 93 PID 2900 wrote to memory of 3352 2900 49eec0d1d674e35fa769b816028bd909abc9efd6c1cc74d20532c3d912d67097.exe 93 PID 2900 wrote to memory of 784 2900 49eec0d1d674e35fa769b816028bd909abc9efd6c1cc74d20532c3d912d67097.exe 95 PID 2900 wrote to memory of 784 2900 49eec0d1d674e35fa769b816028bd909abc9efd6c1cc74d20532c3d912d67097.exe 95 PID 2900 wrote to memory of 784 2900 49eec0d1d674e35fa769b816028bd909abc9efd6c1cc74d20532c3d912d67097.exe 95 PID 784 wrote to memory of 676 784 csrss.exe 99 PID 784 wrote to memory of 676 784 csrss.exe 99 PID 784 wrote to memory of 676 784 csrss.exe 99 PID 784 wrote to memory of 4028 784 csrss.exe 105 PID 784 wrote to memory of 4028 784 csrss.exe 105 PID 784 wrote to memory of 4028 784 csrss.exe 105 PID 784 wrote to memory of 384 784 csrss.exe 107 PID 784 wrote to memory of 384 784 csrss.exe 107 PID 784 wrote to memory of 384 784 csrss.exe 107 PID 784 wrote to memory of 2308 784 csrss.exe 109 PID 784 wrote to memory of 2308 784 csrss.exe 109 PID 2972 wrote to memory of 1592 2972 windefender.exe 115 PID 2972 wrote to memory of 1592 2972 windefender.exe 115 PID 2972 wrote to memory of 1592 2972 windefender.exe 115 PID 1592 wrote to memory of 4208 1592 cmd.exe 116 PID 1592 wrote to memory of 4208 1592 cmd.exe 116 PID 1592 wrote to memory of 4208 1592 cmd.exe 116 -
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\49eec0d1d674e35fa769b816028bd909abc9efd6c1cc74d20532c3d912d67097.exe"C:\Users\Admin\AppData\Local\Temp\49eec0d1d674e35fa769b816028bd909abc9efd6c1cc74d20532c3d912d67097.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2492 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5104
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C:\Users\Admin\AppData\Local\Temp\49eec0d1d674e35fa769b816028bd909abc9efd6c1cc74d20532c3d912d67097.exe"C:\Users\Admin\AppData\Local\Temp\49eec0d1d674e35fa769b816028bd909abc9efd6c1cc74d20532c3d912d67097.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:2900 -
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:2776
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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:4780 -
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:1204
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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:944
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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:3352
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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:784 -
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:676
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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:3424
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3048
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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:4028
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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:384
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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:2308
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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:1736
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2972 -
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:1592 -
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:4208
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2900 -s 8723⤵
- Program crash
PID:4744
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2900 -ip 29001⤵PID:2668
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3992
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
MD5c7b7622adfef015b7dc7cf10a9f18423
SHA19c09f9062078a962816811d03dfb9575bce955a7
SHA2569ac301dd28c00a4bcea385b6990f7e2bd813729a697c8cb853fb864dd2a39a64
SHA512ab4b00e25a6c848c5bfffbe112142004de6c2aea35b87a43b54d8caa6334d5333f4a4d57ce95b4fee7124803cbc7e4cf47523a4fe30e1fd03e42cf0bcd574b0b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50f46f8d57a5d986b405b20d0009667ff
SHA1ed40c5c9910864643953f94c0f3e5acdb7a6faea
SHA2565b03467a14cc526a9c7cd1fb500a0ab776a1332e3d4a3d697ae7e8f8b1b3590f
SHA51219653c3c71aa448686457d263f66a7a39899310986124594f6501b0c06b475fdb97f5450c5a5631257ab79d5955c5c83f1b90446502fba4981d8b45b8358f705
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a835a4c2d5700dc221e4a65463e7b399
SHA192b209dc9ffb5f84d7fff49c34d48443aaec4e7f
SHA256a454fec200c4ee3de6793d7c91f2f70170f5dfeb236dd3be174744aacc0834c9
SHA5128057747f5e09f61e16b3398e29ad7b0d4c66548a577c4b2cc9903a8ad1a126bf4678f01582e8f9a0b9a75cf9e8a1305b35b254758f6df7f776ffdcf2d97202b4
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5be098c5dc6be8e344bf4a7b25c185f82
SHA1d6566a80d7f8ebc7f9cc398cbfb0252533276a67
SHA256681c106f5a03aaeaad5063c23e4f103175ddddb5c4de84d4221a1cdeb895febb
SHA51244a6856c560d9af9fa0dfaa416885f8854c816e3e99e236ebabea9d642de913aea319ecf5f95974aad95e8ff795ec9588a0b19cd5ac4d07ca41ce5e39f01b1c7
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a44b2bafedf28931ddc6878bcef9d056
SHA1f75104f41e29523eb8cf86e1a3bea8887283ddc1
SHA256be60f56dc3f87fcb4e622c172806c40a2f6edb636d04c0b6b8f8e77ace5024e8
SHA5123b474d5bf2c7f90af388f990150d2babb36d95ce98a64cca148bacc1ec8dac67922c8129b35ca1b17bc751b99af1055b2dbfcc00a7c822c2ead750522fe818cb
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Filesize
4.2MB
MD52d1d199e487d372b752cb35b9baa6abb
SHA10874382c679fd23f67e874bc9fef3f9976f19db3
SHA25649eec0d1d674e35fa769b816028bd909abc9efd6c1cc74d20532c3d912d67097
SHA51232518eeea419b8c6298f5ba5fd437df792e948a9197a21709e48a327fd77d1c3009d713062d7707c3c58a698c5d78dada08acd8679197945770a8fb0d4fcbff6
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec