Analysis
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max time kernel
150s -
max time network
137s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
19-05-2024 20:34
Static task
static1
Behavioral task
behavioral1
Sample
1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.exe
Resource
win10v2004-20240508-en
General
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Target
1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.exe
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Size
4.1MB
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MD5
c4bd0bf741db0f5a30da36584f769266
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SHA1
69b800374d3eb3e95e7a990b6ed55a53f090104a
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SHA256
1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e
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SHA512
2eff25ac724fd751c67f62f1d2f359dd2a29c18b871a2342fb20e38c7811f98d6718d156aefd53da876718b200ce1a6ec13460c81e6062066d2b7ac57edcce0e
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SSDEEP
98304:D7sgfTqZm7fywQIpjGUn+cmloZHued8miXbTsPufBvNn:DzgmDywQg+foZ8mw6Sl
Malware Config
Signatures
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Glupteba payload 19 IoCs
Processes:
resource yara_rule behavioral1/memory/3588-2-0x00000000047E0000-0x00000000050CB000-memory.dmp family_glupteba behavioral1/memory/3588-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3588-56-0x00000000047E0000-0x00000000050CB000-memory.dmp family_glupteba behavioral1/memory/3588-57-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3588-54-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4912-129-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4912-134-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/1964-202-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/1964-220-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/1964-230-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/1964-232-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/1964-234-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/1964-236-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/1964-238-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/1964-240-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/1964-242-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/1964-244-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/1964-246-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/1964-248-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 3832 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 1964 csrss.exe 232 injector.exe 4796 windefender.exe 4720 windefender.exe -
Processes:
resource yara_rule behavioral1/files/0x00080000000233d4-223.dat upx behavioral1/memory/4796-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4720-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4796-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4720-231-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4720-235-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.execsrss.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.exe Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\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.
Processes:
csrss.exedescription ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe 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.
Processes:
1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN 1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.exe -
Drops file in Windows directory 4 IoCs
Processes:
1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.execsrss.exedescription ioc Process File created C:\Windows\rss\csrss.exe 1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.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 1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
Processes:
sc.exepid Process 1800 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 740 powershell.exe 1856 powershell.exe 4184 powershell.exe 4364 powershell.exe 4768 powershell.exe 4952 powershell.exe 2152 powershell.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exepid Process 2336 schtasks.exe 2684 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
powershell.exepowershell.exewindefender.exe1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2771 = "Omsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time" 1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" 1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time" 1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-531 = "Sri Lanka Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-391 = "Arab Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-41 = "E. South America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-692 = "Tasmania Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2751 = "Tomsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time" 1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time" 1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.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,-962 = "Paraguay Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-532 = "Sri Lanka Standard Time" windefender.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 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-412 = "E. Africa Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1661 = "Bahia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1972 = "Belarus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-912 = "Mauritius Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time" 1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-732 = "Fiji Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-372 = "Jerusalem Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2842 = "Saratov Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-449 = "Azerbaijan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-682 = "E. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" 1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" 1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time" 1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1021 = "Bangladesh Daylight Time" 1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time" 1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-42 = "E. South America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1042 = "Ulaanbaatar Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time" 1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time" 1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time" 1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2892 = "Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time" 1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" 1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time" 1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1862 = "Russia TZ 6 Standard Time" 1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" 1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time" 1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" 1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2791 = "Novosibirsk Daylight Time" 1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time" 1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" 1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.exepowershell.exe1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 4952 powershell.exe 4952 powershell.exe 3588 1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.exe 3588 1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.exe 2152 powershell.exe 2152 powershell.exe 4912 1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.exe 4912 1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.exe 4912 1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.exe 4912 1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.exe 4912 1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.exe 4912 1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.exe 4912 1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.exe 4912 1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.exe 4912 1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.exe 4912 1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.exe 740 powershell.exe 740 powershell.exe 1856 powershell.exe 1856 powershell.exe 4184 powershell.exe 4184 powershell.exe 4364 powershell.exe 4364 powershell.exe 4768 powershell.exe 4768 powershell.exe 232 injector.exe 232 injector.exe 232 injector.exe 232 injector.exe 232 injector.exe 232 injector.exe 1964 csrss.exe 1964 csrss.exe 232 injector.exe 232 injector.exe 232 injector.exe 232 injector.exe 232 injector.exe 232 injector.exe 1964 csrss.exe 1964 csrss.exe 232 injector.exe 232 injector.exe 232 injector.exe 232 injector.exe 1964 csrss.exe 1964 csrss.exe 232 injector.exe 232 injector.exe 232 injector.exe 232 injector.exe 232 injector.exe 232 injector.exe 232 injector.exe 232 injector.exe 232 injector.exe 232 injector.exe 232 injector.exe 232 injector.exe 232 injector.exe 232 injector.exe 232 injector.exe 232 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 4952 powershell.exe Token: SeDebugPrivilege 3588 1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.exe Token: SeImpersonatePrivilege 3588 1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.exe Token: SeDebugPrivilege 2152 powershell.exe Token: SeDebugPrivilege 740 powershell.exe Token: SeDebugPrivilege 1856 powershell.exe Token: SeDebugPrivilege 4184 powershell.exe Token: SeDebugPrivilege 4364 powershell.exe Token: SeDebugPrivilege 4768 powershell.exe Token: SeSystemEnvironmentPrivilege 1964 csrss.exe Token: SeSecurityPrivilege 1800 sc.exe Token: SeSecurityPrivilege 1800 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.exe1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 3588 wrote to memory of 4952 3588 1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.exe 82 PID 3588 wrote to memory of 4952 3588 1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.exe 82 PID 3588 wrote to memory of 4952 3588 1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.exe 82 PID 4912 wrote to memory of 2152 4912 1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.exe 90 PID 4912 wrote to memory of 2152 4912 1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.exe 90 PID 4912 wrote to memory of 2152 4912 1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.exe 90 PID 4912 wrote to memory of 4664 4912 1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.exe 94 PID 4912 wrote to memory of 4664 4912 1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.exe 94 PID 4664 wrote to memory of 3832 4664 cmd.exe 96 PID 4664 wrote to memory of 3832 4664 cmd.exe 96 PID 4912 wrote to memory of 740 4912 1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.exe 97 PID 4912 wrote to memory of 740 4912 1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.exe 97 PID 4912 wrote to memory of 740 4912 1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.exe 97 PID 4912 wrote to memory of 1856 4912 1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.exe 99 PID 4912 wrote to memory of 1856 4912 1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.exe 99 PID 4912 wrote to memory of 1856 4912 1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.exe 99 PID 4912 wrote to memory of 1964 4912 1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.exe 101 PID 4912 wrote to memory of 1964 4912 1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.exe 101 PID 4912 wrote to memory of 1964 4912 1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.exe 101 PID 1964 wrote to memory of 4184 1964 csrss.exe 102 PID 1964 wrote to memory of 4184 1964 csrss.exe 102 PID 1964 wrote to memory of 4184 1964 csrss.exe 102 PID 1964 wrote to memory of 4364 1964 csrss.exe 107 PID 1964 wrote to memory of 4364 1964 csrss.exe 107 PID 1964 wrote to memory of 4364 1964 csrss.exe 107 PID 1964 wrote to memory of 4768 1964 csrss.exe 110 PID 1964 wrote to memory of 4768 1964 csrss.exe 110 PID 1964 wrote to memory of 4768 1964 csrss.exe 110 PID 1964 wrote to memory of 232 1964 csrss.exe 113 PID 1964 wrote to memory of 232 1964 csrss.exe 113 PID 4796 wrote to memory of 2312 4796 windefender.exe 119 PID 4796 wrote to memory of 2312 4796 windefender.exe 119 PID 4796 wrote to memory of 2312 4796 windefender.exe 119 PID 2312 wrote to memory of 1800 2312 cmd.exe 120 PID 2312 wrote to memory of 1800 2312 cmd.exe 120 PID 2312 wrote to memory of 1800 2312 cmd.exe 120 -
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\1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.exe"C:\Users\Admin\AppData\Local\Temp\1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3588 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4952
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C:\Users\Admin\AppData\Local\Temp\1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.exe"C:\Users\Admin\AppData\Local\Temp\1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.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:4912 -
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:2152
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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:4664 -
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:3832
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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:740
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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:1856
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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:1964 -
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:4184
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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:2336
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2564
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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:4364
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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:4768
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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:232
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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:2684
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4796 -
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:2312 -
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:1800
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4720
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
MD5e72a5e56eb6fd644d043302e353a9230
SHA1eeb7bba84b25ce27aec1bd08d624680bbad94b8b
SHA256454446f5729fa362c311d959a795d80d1e318540e0e4f3396963fadfdb41be5b
SHA51219660e8e37501f25122b7653be015b90b0dc8f243742c9cbb90797ceec93b6833326c665c19dd70b6f19f6ffaa40e6f19ce93af59cf199cce7bd2b01a5a04490
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f055b5503ebec17bedf22f4df2fee818
SHA1de4c7103194b5449c36b8e94aa17f19657cd9a9a
SHA2564d4c589dae1341a378b623aec6ea574c5062b09c814bad7b0808af024fad80a8
SHA5121aca3140dd7f72ad1b77968fa18a01b077c9032f88f890b7a81c6ee4fd673cf55512ab04bcf238af18f318f3ff5d0d51b7ca1a9ff8826baffd3996d87eead801
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d453c3814f6f6e0f1a02f7588e682f9f
SHA15fac6e4a60cbf92394971e8c279e02f2703981b1
SHA256af07d6a7d3c61ee1c415958ecc212466633f994a35b2d208e886119e29b9c565
SHA512dfd90e2c263bfecd9c02950c35e7a3a0465d6ff17a47ae7de2ae417a7147e7b64903c4ef6077d7d91b09be8d19e01ce1d1293af89be56bb3a20dffccdcc6c266
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d4f19fc72e6d2275f9ee35aaff2ba01d
SHA1a2e577a428fdf7ac2dc00926e067c35f0c37b3ba
SHA256b02f9bdbdd1218e880a1fe56342ad9f1da004c77da12eb6d4688e926396abb1b
SHA51210a41950fe94dad89e4eddcb2b28e640c783d26181f9e54a8924e4515b2a64a226d861c40c53be149dfe78a1ed3668d1ef20fd949aac29750b0f49e0b58fc63f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD541e5337f480e65505ad09b741d8e4111
SHA1d05cf31172747be9eac4da7e452146fea4164ead
SHA256bff6a2c1a57e3bd909c16ab0651da658d135020be356c430d2f704a9378d8166
SHA512e964223a6dcede1876e234875c00b4046338dc06b61892cc600458c0bbaca193291171c50e0dc57de3c835fedd99e039627f6b407dc9cd3ecce313b029f8f321
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Filesize
4.1MB
MD5c4bd0bf741db0f5a30da36584f769266
SHA169b800374d3eb3e95e7a990b6ed55a53f090104a
SHA2561aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e
SHA5122eff25ac724fd751c67f62f1d2f359dd2a29c18b871a2342fb20e38c7811f98d6718d156aefd53da876718b200ce1a6ec13460c81e6062066d2b7ac57edcce0e
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec