Analysis
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max time kernel
89s -
max time network
165s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
21/04/2024, 20:27
Static task
static1
Behavioral task
behavioral1
Sample
65a3b2e0cf5e4f75e7b59e5dc41be0aca76f9f0c9f98a20cfed2ffb07041f00f.exe
Resource
win10v2004-20240226-en
General
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Target
65a3b2e0cf5e4f75e7b59e5dc41be0aca76f9f0c9f98a20cfed2ffb07041f00f.exe
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Size
4.1MB
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MD5
ec20ed75c12aabc62117e2bd9bea1b35
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SHA1
7db91cf22e90eb6f500edb4f5df83fd4704fa007
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SHA256
65a3b2e0cf5e4f75e7b59e5dc41be0aca76f9f0c9f98a20cfed2ffb07041f00f
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SHA512
b89de8e85210c0332a3adf13827bca611715bf5211fac36615490c031c461ae332101410d1172b331668ce6fa37c6a923bc8d6e3be30c8f07ab3836892e81473
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SSDEEP
98304:A6+NbupGYWkWUKqb2mQEf1KRMJYjr3YWC6hMfGb3gpntSE:h+NqpqkWfc2mFNDYjrxhMfGQpntD
Malware Config
Signatures
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Glupteba payload 17 IoCs
resource yara_rule behavioral1/memory/332-2-0x0000000006610000-0x0000000006EFB000-memory.dmp family_glupteba behavioral1/memory/332-3-0x0000000000400000-0x0000000004417000-memory.dmp family_glupteba behavioral1/memory/332-18-0x0000000000400000-0x0000000004417000-memory.dmp family_glupteba behavioral1/memory/332-31-0x0000000006610000-0x0000000006EFB000-memory.dmp family_glupteba behavioral1/memory/332-32-0x0000000000400000-0x0000000004417000-memory.dmp family_glupteba behavioral1/memory/332-59-0x0000000000400000-0x0000000004417000-memory.dmp family_glupteba behavioral1/memory/2896-96-0x0000000000400000-0x0000000004417000-memory.dmp family_glupteba behavioral1/memory/2896-141-0x0000000000400000-0x0000000004417000-memory.dmp family_glupteba behavioral1/memory/2896-192-0x0000000000400000-0x0000000004417000-memory.dmp family_glupteba behavioral1/memory/3580-212-0x0000000000400000-0x0000000004417000-memory.dmp family_glupteba behavioral1/memory/3580-257-0x0000000000400000-0x0000000004417000-memory.dmp family_glupteba behavioral1/memory/3580-265-0x0000000000400000-0x0000000004417000-memory.dmp family_glupteba behavioral1/memory/3580-275-0x0000000000400000-0x0000000004417000-memory.dmp family_glupteba behavioral1/memory/3580-278-0x0000000000400000-0x0000000004417000-memory.dmp family_glupteba behavioral1/memory/3580-281-0x0000000000400000-0x0000000004417000-memory.dmp family_glupteba behavioral1/memory/3580-284-0x0000000000400000-0x0000000004417000-memory.dmp family_glupteba behavioral1/memory/3580-287-0x0000000000400000-0x0000000004417000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1208 netsh.exe -
Executes dropped EXE 1 IoCs
pid Process 3580 csrss.exe -
resource yara_rule behavioral1/files/0x0004000000000735-268.dat upx behavioral1/memory/4912-273-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1688-283-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 65a3b2e0cf5e4f75e7b59e5dc41be0aca76f9f0c9f98a20cfed2ffb07041f00f.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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Drops file in System32 directory 6 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 -
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 65a3b2e0cf5e4f75e7b59e5dc41be0aca76f9f0c9f98a20cfed2ffb07041f00f.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\rss 65a3b2e0cf5e4f75e7b59e5dc41be0aca76f9f0c9f98a20cfed2ffb07041f00f.exe File created C:\Windows\rss\csrss.exe 65a3b2e0cf5e4f75e7b59e5dc41be0aca76f9f0c9f98a20cfed2ffb07041f00f.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 3852 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 3564 schtasks.exe 3964 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" 65a3b2e0cf5e4f75e7b59e5dc41be0aca76f9f0c9f98a20cfed2ffb07041f00f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time" 65a3b2e0cf5e4f75e7b59e5dc41be0aca76f9f0c9f98a20cfed2ffb07041f00f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time" 65a3b2e0cf5e4f75e7b59e5dc41be0aca76f9f0c9f98a20cfed2ffb07041f00f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time" 65a3b2e0cf5e4f75e7b59e5dc41be0aca76f9f0c9f98a20cfed2ffb07041f00f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" 65a3b2e0cf5e4f75e7b59e5dc41be0aca76f9f0c9f98a20cfed2ffb07041f00f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time" 65a3b2e0cf5e4f75e7b59e5dc41be0aca76f9f0c9f98a20cfed2ffb07041f00f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" 65a3b2e0cf5e4f75e7b59e5dc41be0aca76f9f0c9f98a20cfed2ffb07041f00f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" 65a3b2e0cf5e4f75e7b59e5dc41be0aca76f9f0c9f98a20cfed2ffb07041f00f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" 65a3b2e0cf5e4f75e7b59e5dc41be0aca76f9f0c9f98a20cfed2ffb07041f00f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates 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\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time" 65a3b2e0cf5e4f75e7b59e5dc41be0aca76f9f0c9f98a20cfed2ffb07041f00f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" 65a3b2e0cf5e4f75e7b59e5dc41be0aca76f9f0c9f98a20cfed2ffb07041f00f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" 65a3b2e0cf5e4f75e7b59e5dc41be0aca76f9f0c9f98a20cfed2ffb07041f00f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-412 = "E. Africa Standard Time" 65a3b2e0cf5e4f75e7b59e5dc41be0aca76f9f0c9f98a20cfed2ffb07041f00f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time" 65a3b2e0cf5e4f75e7b59e5dc41be0aca76f9f0c9f98a20cfed2ffb07041f00f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time" 65a3b2e0cf5e4f75e7b59e5dc41be0aca76f9f0c9f98a20cfed2ffb07041f00f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time" 65a3b2e0cf5e4f75e7b59e5dc41be0aca76f9f0c9f98a20cfed2ffb07041f00f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time" 65a3b2e0cf5e4f75e7b59e5dc41be0aca76f9f0c9f98a20cfed2ffb07041f00f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" 65a3b2e0cf5e4f75e7b59e5dc41be0aca76f9f0c9f98a20cfed2ffb07041f00f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time" 65a3b2e0cf5e4f75e7b59e5dc41be0aca76f9f0c9f98a20cfed2ffb07041f00f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" 65a3b2e0cf5e4f75e7b59e5dc41be0aca76f9f0c9f98a20cfed2ffb07041f00f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time" 65a3b2e0cf5e4f75e7b59e5dc41be0aca76f9f0c9f98a20cfed2ffb07041f00f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time" 65a3b2e0cf5e4f75e7b59e5dc41be0aca76f9f0c9f98a20cfed2ffb07041f00f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" 65a3b2e0cf5e4f75e7b59e5dc41be0aca76f9f0c9f98a20cfed2ffb07041f00f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" 65a3b2e0cf5e4f75e7b59e5dc41be0aca76f9f0c9f98a20cfed2ffb07041f00f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time" 65a3b2e0cf5e4f75e7b59e5dc41be0aca76f9f0c9f98a20cfed2ffb07041f00f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time" 65a3b2e0cf5e4f75e7b59e5dc41be0aca76f9f0c9f98a20cfed2ffb07041f00f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" 65a3b2e0cf5e4f75e7b59e5dc41be0aca76f9f0c9f98a20cfed2ffb07041f00f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time" 65a3b2e0cf5e4f75e7b59e5dc41be0aca76f9f0c9f98a20cfed2ffb07041f00f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time" 65a3b2e0cf5e4f75e7b59e5dc41be0aca76f9f0c9f98a20cfed2ffb07041f00f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time" 65a3b2e0cf5e4f75e7b59e5dc41be0aca76f9f0c9f98a20cfed2ffb07041f00f.exe -
Suspicious behavior: EnumeratesProcesses 29 IoCs
pid Process 2940 powershell.exe 2940 powershell.exe 332 65a3b2e0cf5e4f75e7b59e5dc41be0aca76f9f0c9f98a20cfed2ffb07041f00f.exe 332 65a3b2e0cf5e4f75e7b59e5dc41be0aca76f9f0c9f98a20cfed2ffb07041f00f.exe 3292 powershell.exe 3292 powershell.exe 3292 powershell.exe 2896 65a3b2e0cf5e4f75e7b59e5dc41be0aca76f9f0c9f98a20cfed2ffb07041f00f.exe 2896 65a3b2e0cf5e4f75e7b59e5dc41be0aca76f9f0c9f98a20cfed2ffb07041f00f.exe 2896 65a3b2e0cf5e4f75e7b59e5dc41be0aca76f9f0c9f98a20cfed2ffb07041f00f.exe 2896 65a3b2e0cf5e4f75e7b59e5dc41be0aca76f9f0c9f98a20cfed2ffb07041f00f.exe 2896 65a3b2e0cf5e4f75e7b59e5dc41be0aca76f9f0c9f98a20cfed2ffb07041f00f.exe 2896 65a3b2e0cf5e4f75e7b59e5dc41be0aca76f9f0c9f98a20cfed2ffb07041f00f.exe 2896 65a3b2e0cf5e4f75e7b59e5dc41be0aca76f9f0c9f98a20cfed2ffb07041f00f.exe 2896 65a3b2e0cf5e4f75e7b59e5dc41be0aca76f9f0c9f98a20cfed2ffb07041f00f.exe 2896 65a3b2e0cf5e4f75e7b59e5dc41be0aca76f9f0c9f98a20cfed2ffb07041f00f.exe 2896 65a3b2e0cf5e4f75e7b59e5dc41be0aca76f9f0c9f98a20cfed2ffb07041f00f.exe 1140 powershell.exe 1140 powershell.exe 1140 powershell.exe 2668 powershell.exe 2668 powershell.exe 2668 powershell.exe 2716 powershell.exe 2716 powershell.exe 2716 powershell.exe 1804 powershell.exe 1804 powershell.exe 1804 powershell.exe -
Suspicious use of AdjustPrivilegeToken 8 IoCs
description pid Process Token: SeDebugPrivilege 2940 powershell.exe Token: SeDebugPrivilege 332 65a3b2e0cf5e4f75e7b59e5dc41be0aca76f9f0c9f98a20cfed2ffb07041f00f.exe Token: SeImpersonatePrivilege 332 65a3b2e0cf5e4f75e7b59e5dc41be0aca76f9f0c9f98a20cfed2ffb07041f00f.exe Token: SeDebugPrivilege 3292 powershell.exe Token: SeDebugPrivilege 1140 powershell.exe Token: SeDebugPrivilege 2668 powershell.exe Token: SeDebugPrivilege 2716 powershell.exe Token: SeDebugPrivilege 1804 powershell.exe -
Suspicious use of WriteProcessMemory 28 IoCs
description pid Process procid_target PID 332 wrote to memory of 2940 332 65a3b2e0cf5e4f75e7b59e5dc41be0aca76f9f0c9f98a20cfed2ffb07041f00f.exe 93 PID 332 wrote to memory of 2940 332 65a3b2e0cf5e4f75e7b59e5dc41be0aca76f9f0c9f98a20cfed2ffb07041f00f.exe 93 PID 332 wrote to memory of 2940 332 65a3b2e0cf5e4f75e7b59e5dc41be0aca76f9f0c9f98a20cfed2ffb07041f00f.exe 93 PID 2896 wrote to memory of 3292 2896 65a3b2e0cf5e4f75e7b59e5dc41be0aca76f9f0c9f98a20cfed2ffb07041f00f.exe 105 PID 2896 wrote to memory of 3292 2896 65a3b2e0cf5e4f75e7b59e5dc41be0aca76f9f0c9f98a20cfed2ffb07041f00f.exe 105 PID 2896 wrote to memory of 3292 2896 65a3b2e0cf5e4f75e7b59e5dc41be0aca76f9f0c9f98a20cfed2ffb07041f00f.exe 105 PID 2896 wrote to memory of 4092 2896 65a3b2e0cf5e4f75e7b59e5dc41be0aca76f9f0c9f98a20cfed2ffb07041f00f.exe 107 PID 2896 wrote to memory of 4092 2896 65a3b2e0cf5e4f75e7b59e5dc41be0aca76f9f0c9f98a20cfed2ffb07041f00f.exe 107 PID 4092 wrote to memory of 1208 4092 cmd.exe 109 PID 4092 wrote to memory of 1208 4092 cmd.exe 109 PID 2896 wrote to memory of 1140 2896 65a3b2e0cf5e4f75e7b59e5dc41be0aca76f9f0c9f98a20cfed2ffb07041f00f.exe 110 PID 2896 wrote to memory of 1140 2896 65a3b2e0cf5e4f75e7b59e5dc41be0aca76f9f0c9f98a20cfed2ffb07041f00f.exe 110 PID 2896 wrote to memory of 1140 2896 65a3b2e0cf5e4f75e7b59e5dc41be0aca76f9f0c9f98a20cfed2ffb07041f00f.exe 110 PID 2896 wrote to memory of 2668 2896 65a3b2e0cf5e4f75e7b59e5dc41be0aca76f9f0c9f98a20cfed2ffb07041f00f.exe 112 PID 2896 wrote to memory of 2668 2896 65a3b2e0cf5e4f75e7b59e5dc41be0aca76f9f0c9f98a20cfed2ffb07041f00f.exe 112 PID 2896 wrote to memory of 2668 2896 65a3b2e0cf5e4f75e7b59e5dc41be0aca76f9f0c9f98a20cfed2ffb07041f00f.exe 112 PID 2896 wrote to memory of 3580 2896 65a3b2e0cf5e4f75e7b59e5dc41be0aca76f9f0c9f98a20cfed2ffb07041f00f.exe 114 PID 2896 wrote to memory of 3580 2896 65a3b2e0cf5e4f75e7b59e5dc41be0aca76f9f0c9f98a20cfed2ffb07041f00f.exe 114 PID 2896 wrote to memory of 3580 2896 65a3b2e0cf5e4f75e7b59e5dc41be0aca76f9f0c9f98a20cfed2ffb07041f00f.exe 114 PID 3580 wrote to memory of 2716 3580 csrss.exe 115 PID 3580 wrote to memory of 2716 3580 csrss.exe 115 PID 3580 wrote to memory of 2716 3580 csrss.exe 115 PID 3580 wrote to memory of 1804 3580 csrss.exe 119 PID 3580 wrote to memory of 1804 3580 csrss.exe 119 PID 3580 wrote to memory of 1804 3580 csrss.exe 119 PID 3580 wrote to memory of 4584 3580 csrss.exe 123 PID 3580 wrote to memory of 4584 3580 csrss.exe 123 PID 3580 wrote to memory of 4584 3580 csrss.exe 123 -
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\65a3b2e0cf5e4f75e7b59e5dc41be0aca76f9f0c9f98a20cfed2ffb07041f00f.exe"C:\Users\Admin\AppData\Local\Temp\65a3b2e0cf5e4f75e7b59e5dc41be0aca76f9f0c9f98a20cfed2ffb07041f00f.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:332 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2940
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C:\Users\Admin\AppData\Local\Temp\65a3b2e0cf5e4f75e7b59e5dc41be0aca76f9f0c9f98a20cfed2ffb07041f00f.exe"C:\Users\Admin\AppData\Local\Temp\65a3b2e0cf5e4f75e7b59e5dc41be0aca76f9f0c9f98a20cfed2ffb07041f00f.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:2896 -
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:3292
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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:4092 -
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:1208
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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:1140
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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:2668
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C:\Windows\rss\csrss.exeC:\Windows\rss\csrss.exe3⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3580 -
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:2716
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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:3564
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4948
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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:1804
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵PID:4584
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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⤵PID:3660
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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:3964
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵PID:4912
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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⤵PID:1188
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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
PID:3852
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=2392 --field-trial-handle=2276,i,11674642242468042059,14711253743544118298,262144 --variations-seed-version /prefetch:81⤵PID:4612
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵PID:1688
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
MD5c0796f6973ce2377ef590ff2f4dfe26f
SHA11f7c73ef47ac63bda05bbfbe7fc93ea68902cd55
SHA256ea2950a65545a9e822d4be11e558d24cd2e49d9b8468b4ad3350a97a24d64a6f
SHA512047bc0c2c9da546e11a88fddbdb4447f75ec87ce6fa1fbe32c539f6964fed11b411145efa3880716843a87bfc5ab039333fbfac1e2b26c2d0a5c64933f657314
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5610b99a0f980e807f319286047cc39f4
SHA1091a99d5d3346f97520510c0eb944b10ae9d5518
SHA256f1b10adca546c836e1459600448743a55c709581c336dd90c40bf6e3a865d523
SHA51217c5d4826ef76f508020ae08e7228694aee29bc0bdb47a3dde3088596f60006563281c548cfb1e4353bfca608dcc7167f9594c56317642a7fc12fa7975112f0e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD595ca5c9e315755eedacafc996b12740c
SHA1dadf1228989b208d81edf995f65ca076f1887458
SHA256895405092631ac4a1d17811ffbf5a32c9315e68f4f176a3a4732a8dba1395272
SHA512efbab3995f1e41218b1abc8a9e092d82d7c1d52c91e7cd7a44b8bf7886749a7532dd486c81d61ef09399dd063c8e7c5b2c2910a9f893182efa362fe7ae70c948
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e330a2184526bf5a81503bd31544c041
SHA19f5f3ba2bec5f7ad65364da42a96fe86420cc049
SHA2566ba43967424913c4ac396fb0d690aa86d285f05ca747beb698052a386af1ac50
SHA5126df58d2ad61d645194d26ca6395addbdc1c4a43624725e3902e88b43b57f4b0e9f615024b9663305cd9fe94393f53657c522ff98a76f369128d6d69919ed5251
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51dfd18d4ece437d58eec3f345604964f
SHA14e74de9a3dd54439bfd852453ecf36ba995063b3
SHA256d9987c393bead873b9311b47c95dbc6900ed6d35477b5bd083708291042485e2
SHA512e554d61492777e74337bda09479b40276da7541fb7aa60128744495e99c467083568e5796ee4dd9240518cafb3083d50c7e44367c5e0f7bb84c43647cba050ca
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Filesize
4.1MB
MD5ec20ed75c12aabc62117e2bd9bea1b35
SHA17db91cf22e90eb6f500edb4f5df83fd4704fa007
SHA25665a3b2e0cf5e4f75e7b59e5dc41be0aca76f9f0c9f98a20cfed2ffb07041f00f
SHA512b89de8e85210c0332a3adf13827bca611715bf5211fac36615490c031c461ae332101410d1172b331668ce6fa37c6a923bc8d6e3be30c8f07ab3836892e81473
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec