Analysis
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max time kernel
150s -
max time network
129s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-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 behavioral2/memory/1352-2-0x0000000004950000-0x000000000523B000-memory.dmp family_glupteba behavioral2/memory/1352-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1352-74-0x0000000004950000-0x000000000523B000-memory.dmp family_glupteba behavioral2/memory/1352-73-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/1352-99-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2200-120-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/2200-126-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/3516-201-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/3516-212-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/3516-215-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/3516-217-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/3516-219-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/3516-224-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/3516-227-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/3516-230-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/3516-231-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/3516-236-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/3516-239-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/3516-242-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 4244 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 3516 csrss.exe 4260 injector.exe 1188 windefender.exe 4244 windefender.exe -
Processes:
resource yara_rule behavioral2/files/0x000100000002a9e1-204.dat upx behavioral2/memory/1188-205-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4244-208-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1188-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4244-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4244-220-0x0000000000400000-0x00000000008DF000-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-1-5-21-2457560273-69882387-977367775-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.exe Set value (str) \REGISTRY\USER\S-1-5-21-2457560273-69882387-977367775-1000\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 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.
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 2132 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 3572 powershell.exe 2296 powershell.exe 2176 powershell.exe 2744 powershell.exe 4640 powershell.exe 3476 powershell.exe 3868 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 3928 schtasks.exe 1664 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
powershell.exepowershell.exepowershell.exewindefender.exe1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.exepowershell.exepowershell.exepowershell.exedescription ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-41 = "E. South America Daylight Time" windefender.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\2a\52C64B7E\@tzres.dll,-462 = "Afghanistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-215 = "Pacific Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2941 = "Sao Tome Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. Standard Time" 1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time" 1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 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\2a\52C64B7E\@tzres.dll,-112 = "Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-364 = "Middle East Daylight Time" windefender.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,-512 = "Central Asia Standard Time" 1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1932 = "Russia TZ 11 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1501 = "Turkey Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time" 1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-41 = "E. South America 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 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-361 = "GTB Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2632 = "Norfolk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard 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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time" 1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.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,-2631 = "Norfolk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1912 = "Russia TZ 10 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" 1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" 1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-51 = "Greenland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2591 = "Tocantins Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" 1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-81 = "Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-451 = "Caucasus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-541 = "Myanmar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-591 = "Malay Peninsula Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time" 1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.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,-492 = "India Standard Time" 1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates 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\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-602 = "Taipei Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" 1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time" 1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2002 = "Cabo Verde Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-721 = "Central Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" 1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2572 = "Turks and Caicos Standard Time" 1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.exepowershell.exe1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 3476 powershell.exe 3476 powershell.exe 1352 1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.exe 1352 1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.exe 3868 powershell.exe 3868 powershell.exe 2200 1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.exe 2200 1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.exe 2200 1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.exe 2200 1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.exe 2200 1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.exe 2200 1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.exe 2200 1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.exe 2200 1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.exe 2200 1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.exe 2200 1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.exe 3572 powershell.exe 3572 powershell.exe 2296 powershell.exe 2296 powershell.exe 2176 powershell.exe 2176 powershell.exe 2744 powershell.exe 2744 powershell.exe 4640 powershell.exe 4640 powershell.exe 4260 injector.exe 4260 injector.exe 4260 injector.exe 4260 injector.exe 4260 injector.exe 4260 injector.exe 3516 csrss.exe 3516 csrss.exe 4260 injector.exe 4260 injector.exe 4260 injector.exe 4260 injector.exe 4260 injector.exe 4260 injector.exe 3516 csrss.exe 3516 csrss.exe 4260 injector.exe 4260 injector.exe 3516 csrss.exe 3516 csrss.exe 4260 injector.exe 4260 injector.exe 4260 injector.exe 4260 injector.exe 4260 injector.exe 4260 injector.exe 4260 injector.exe 4260 injector.exe 4260 injector.exe 4260 injector.exe 4260 injector.exe 4260 injector.exe 4260 injector.exe 4260 injector.exe 4260 injector.exe 4260 injector.exe 4260 injector.exe 4260 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 3476 powershell.exe Token: SeDebugPrivilege 1352 1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.exe Token: SeImpersonatePrivilege 1352 1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.exe Token: SeDebugPrivilege 3868 powershell.exe Token: SeDebugPrivilege 3572 powershell.exe Token: SeDebugPrivilege 2296 powershell.exe Token: SeDebugPrivilege 2176 powershell.exe Token: SeDebugPrivilege 2744 powershell.exe Token: SeDebugPrivilege 4640 powershell.exe Token: SeSystemEnvironmentPrivilege 3516 csrss.exe Token: SeSecurityPrivilege 2132 sc.exe Token: SeSecurityPrivilege 2132 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.exe1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 1352 wrote to memory of 3476 1352 1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.exe 79 PID 1352 wrote to memory of 3476 1352 1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.exe 79 PID 1352 wrote to memory of 3476 1352 1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.exe 79 PID 2200 wrote to memory of 3868 2200 1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.exe 84 PID 2200 wrote to memory of 3868 2200 1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.exe 84 PID 2200 wrote to memory of 3868 2200 1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.exe 84 PID 2200 wrote to memory of 4840 2200 1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.exe 86 PID 2200 wrote to memory of 4840 2200 1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.exe 86 PID 4840 wrote to memory of 4244 4840 cmd.exe 88 PID 4840 wrote to memory of 4244 4840 cmd.exe 88 PID 2200 wrote to memory of 3572 2200 1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.exe 89 PID 2200 wrote to memory of 3572 2200 1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.exe 89 PID 2200 wrote to memory of 3572 2200 1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.exe 89 PID 2200 wrote to memory of 2296 2200 1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.exe 91 PID 2200 wrote to memory of 2296 2200 1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.exe 91 PID 2200 wrote to memory of 2296 2200 1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.exe 91 PID 2200 wrote to memory of 3516 2200 1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.exe 93 PID 2200 wrote to memory of 3516 2200 1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.exe 93 PID 2200 wrote to memory of 3516 2200 1aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e.exe 93 PID 3516 wrote to memory of 2176 3516 csrss.exe 94 PID 3516 wrote to memory of 2176 3516 csrss.exe 94 PID 3516 wrote to memory of 2176 3516 csrss.exe 94 PID 3516 wrote to memory of 2744 3516 csrss.exe 100 PID 3516 wrote to memory of 2744 3516 csrss.exe 100 PID 3516 wrote to memory of 2744 3516 csrss.exe 100 PID 3516 wrote to memory of 4640 3516 csrss.exe 102 PID 3516 wrote to memory of 4640 3516 csrss.exe 102 PID 3516 wrote to memory of 4640 3516 csrss.exe 102 PID 3516 wrote to memory of 4260 3516 csrss.exe 104 PID 3516 wrote to memory of 4260 3516 csrss.exe 104 PID 1188 wrote to memory of 2756 1188 windefender.exe 110 PID 1188 wrote to memory of 2756 1188 windefender.exe 110 PID 1188 wrote to memory of 2756 1188 windefender.exe 110 PID 2756 wrote to memory of 2132 2756 cmd.exe 111 PID 2756 wrote to memory of 2132 2756 cmd.exe 111 PID 2756 wrote to memory of 2132 2756 cmd.exe 111 -
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:1352 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3476
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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:2200 -
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:3868
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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:4840 -
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:4244
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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:3572
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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:2296
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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:3516 -
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:2176
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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:3928
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:328
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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:2744
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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:4640
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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:4260
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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:1664
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1188 -
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:2756 -
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:2132
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4244
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f45d72decd598775fa35fa0f66749058
SHA1b390bb875d3e0cbe9b52b76cac73172fac217f4b
SHA256cbbbe4e9ca97abdb0d1209cb8b5ae92d12f1076eb0212207682f236ece196f2b
SHA512353bbf642b5c9b131badb10e8a3dc47da8e9e683e5f3d9807ba9cb545e715715f9e9089fd471554876a8b74bef3d5dc42b967cf6a56058496fe725965a67fe45
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51d0bb0afa9d7842c46b3fcc73468ad2e
SHA1b1b25b0113ea3c7ec9f859c10a9d32eb1f8b9a86
SHA25652a1a2036ba488c8e4b72a2036e67d11bb213d310e0aff43c950a72c1fede587
SHA51200ae3ca6ed45a8c1ae10fed63c76f6e5c520ab8c7cf804daeeb46ff641687b31bc8a586df06821554f27cda485e534d6f29a70da7d7d1312b66efa0bfe80b189
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d98c37fb1184f1f2ac5f3c2e2ce0ab14
SHA1062959c1ea5d4d89d0e9cebabd1ffa80dd164c6e
SHA2566436a8efaf90ab394a12be00563e430ea20b4cd36fb072928e4a0d455ec43a25
SHA5121e75cb41c9f374081c515c7936f8161aa9e144c76e1b6a812c9728f1d66e79978efd40da89b4573064a1365534f8cd5c7dc891be292110d60e21a89fd3f0e89e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58131e1496afc0511dd3845edd7bea181
SHA1bbb436b818e4247c69f2a68bd935f31e314c0c23
SHA2562a13e5c256c82258ca5fe63e65ec0d5448163f77204523bb30e35dee830363de
SHA5127f34032727452dedddc9229b81694b9d639d80074e6f9ae551657ee3f6bd12ece49e6bb6c4fd6c009b01e1e54b7da13213c1ddb7a2013e73796899a8329cc4c9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53883612fe40652040d9ea1cf6352ae9e
SHA16cb2d11f5482d3ad390b9060e8c04aef03a3a024
SHA25689e343280ca6b69d86a05b1195ae0ba8892c12d0b8e54433aab3e5f10bdeb0d9
SHA512d835e8b3fe5bc6e58f102a2c042b096b0d64cefc9312395e05eba98c5b20a9d06a74c536d5e37412472238d07190b34ddf4ed87c3a0ad546037ba0cf0eb21185
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Filesize
4.1MB
MD5c4bd0bf741db0f5a30da36584f769266
SHA169b800374d3eb3e95e7a990b6ed55a53f090104a
SHA2561aeb3a3c45cf2a057e3cee856fde99ab78b534f2fe560e0e919c6d2ff5fb0e2e
SHA5122eff25ac724fd751c67f62f1d2f359dd2a29c18b871a2342fb20e38c7811f98d6718d156aefd53da876718b200ce1a6ec13460c81e6062066d2b7ac57edcce0e
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec