Analysis
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max time kernel
149s -
max time network
143s -
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 11:34
Static task
static1
Behavioral task
behavioral1
Sample
6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exe
Resource
win10v2004-20240508-en
General
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Target
6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exe
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Size
4.1MB
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MD5
d633c1a28c9b62e5f283345d7e863574
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SHA1
9a695c0071f59ee88c2c3b35b14e6f24031eb183
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SHA256
6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51
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SHA512
87ec9e1621cb36dea11678fa50d27d09dc2dcd81980f932d6fc4695486b008b2a86f2803152ba435a0d7d30b9cd210d5301134c7ff6ce17bb64a642397c6a880
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SSDEEP
98304:Wk/C6baF9NNXYvR+SQPyohxfWe3/GY9pAEj6E:Wn6bazjovoyoHfX3/GYHX
Malware Config
Signatures
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Glupteba payload 19 IoCs
Processes:
resource yara_rule behavioral1/memory/2764-2-0x00000000043A0000-0x0000000004C8B000-memory.dmp family_glupteba behavioral1/memory/2764-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2764-57-0x00000000043A0000-0x0000000004C8B000-memory.dmp family_glupteba behavioral1/memory/2764-54-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/2764-56-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3592-136-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/452-215-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/452-221-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/452-222-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/452-232-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/452-234-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/452-236-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/452-238-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/452-240-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/452-242-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/452-244-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/452-246-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/452-248-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/452-250-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 948 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 452 csrss.exe 1284 injector.exe 388 windefender.exe 4728 windefender.exe -
Processes:
resource yara_rule behavioral1/files/0x00090000000233c2-225.dat upx behavioral1/memory/388-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4728-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/388-231-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4728-233-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4728-237-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4728-243-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.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\"" 6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.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 created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
Processes:
6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN 6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exe -
Drops file in Windows directory 4 IoCs
Processes:
6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.execsrss.exedescription ioc Process File created C:\Windows\rss\csrss.exe 6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.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 6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
Processes:
sc.exepid Process 1420 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 1476 powershell.exe 4500 powershell.exe 1008 powershell.exe 1512 powershell.exe 4336 powershell.exe 2904 powershell.exe 2168 powershell.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target Process procid_target 404 3592 WerFault.exe 86 -
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 2964 schtasks.exe 4592 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exepowershell.exepowershell.exepowershell.exewindefender.exepowershell.exepowershell.exepowershell.exedescription ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time" 6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" 6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2431 = "Cuba Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" 6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" 6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time" 6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" 6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.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\@tzres.dll,-981 = "Kamchatka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time" 6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time" 6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time" 6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" 6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2391 = "Aleutian Daylight Time" windefender.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\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time" 6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2371 = "Easter Island Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-452 = "Caucasus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time" 6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\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\2a\52C64B7E\@tzres.dll,-512 = "Central Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time" 6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople 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\2a\52C64B7E\@tzres.dll,-72 = "Newfoundland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-211 = "Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-962 = "Paraguay Standard Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time" 6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" 6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\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\@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,-82 = "Atlantic Standard Time" 6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-652 = "AUS Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-42 = "E. South America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-622 = "Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1932 = "Russia TZ 11 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" 6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-721 = "Central Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2451 = "Saint Pierre Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-632 = "Tokyo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" 6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" 6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exepowershell.exe6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 1476 powershell.exe 1476 powershell.exe 2764 6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exe 2764 6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exe 4500 powershell.exe 4500 powershell.exe 3592 6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exe 3592 6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exe 3592 6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exe 3592 6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exe 3592 6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exe 3592 6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exe 3592 6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exe 3592 6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exe 3592 6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exe 3592 6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exe 1008 powershell.exe 1008 powershell.exe 1512 powershell.exe 1512 powershell.exe 4336 powershell.exe 4336 powershell.exe 2904 powershell.exe 2904 powershell.exe 2168 powershell.exe 2168 powershell.exe 1284 injector.exe 1284 injector.exe 1284 injector.exe 1284 injector.exe 1284 injector.exe 1284 injector.exe 452 csrss.exe 452 csrss.exe 1284 injector.exe 1284 injector.exe 1284 injector.exe 1284 injector.exe 1284 injector.exe 1284 injector.exe 452 csrss.exe 452 csrss.exe 1284 injector.exe 1284 injector.exe 1284 injector.exe 1284 injector.exe 1284 injector.exe 1284 injector.exe 1284 injector.exe 1284 injector.exe 1284 injector.exe 1284 injector.exe 1284 injector.exe 1284 injector.exe 1284 injector.exe 1284 injector.exe 1284 injector.exe 1284 injector.exe 1284 injector.exe 1284 injector.exe 1284 injector.exe 1284 injector.exe 1284 injector.exe 1284 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 1476 powershell.exe Token: SeDebugPrivilege 2764 6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exe Token: SeImpersonatePrivilege 2764 6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exe Token: SeDebugPrivilege 4500 powershell.exe Token: SeDebugPrivilege 1008 powershell.exe Token: SeDebugPrivilege 1512 powershell.exe Token: SeDebugPrivilege 4336 powershell.exe Token: SeDebugPrivilege 2904 powershell.exe Token: SeDebugPrivilege 2168 powershell.exe Token: SeSystemEnvironmentPrivilege 452 csrss.exe Token: SeSecurityPrivilege 1420 sc.exe Token: SeSecurityPrivilege 1420 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exe6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 2764 wrote to memory of 1476 2764 6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exe 82 PID 2764 wrote to memory of 1476 2764 6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exe 82 PID 2764 wrote to memory of 1476 2764 6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exe 82 PID 3592 wrote to memory of 4500 3592 6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exe 87 PID 3592 wrote to memory of 4500 3592 6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exe 87 PID 3592 wrote to memory of 4500 3592 6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exe 87 PID 3592 wrote to memory of 1940 3592 6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exe 89 PID 3592 wrote to memory of 1940 3592 6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exe 89 PID 1940 wrote to memory of 948 1940 cmd.exe 91 PID 1940 wrote to memory of 948 1940 cmd.exe 91 PID 3592 wrote to memory of 1008 3592 6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exe 94 PID 3592 wrote to memory of 1008 3592 6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exe 94 PID 3592 wrote to memory of 1008 3592 6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exe 94 PID 3592 wrote to memory of 1512 3592 6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exe 97 PID 3592 wrote to memory of 1512 3592 6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exe 97 PID 3592 wrote to memory of 1512 3592 6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exe 97 PID 3592 wrote to memory of 452 3592 6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exe 100 PID 3592 wrote to memory of 452 3592 6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exe 100 PID 3592 wrote to memory of 452 3592 6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exe 100 PID 452 wrote to memory of 4336 452 csrss.exe 103 PID 452 wrote to memory of 4336 452 csrss.exe 103 PID 452 wrote to memory of 4336 452 csrss.exe 103 PID 452 wrote to memory of 2904 452 csrss.exe 110 PID 452 wrote to memory of 2904 452 csrss.exe 110 PID 452 wrote to memory of 2904 452 csrss.exe 110 PID 452 wrote to memory of 2168 452 csrss.exe 113 PID 452 wrote to memory of 2168 452 csrss.exe 113 PID 452 wrote to memory of 2168 452 csrss.exe 113 PID 452 wrote to memory of 1284 452 csrss.exe 115 PID 452 wrote to memory of 1284 452 csrss.exe 115 PID 388 wrote to memory of 404 388 windefender.exe 122 PID 388 wrote to memory of 404 388 windefender.exe 122 PID 388 wrote to memory of 404 388 windefender.exe 122 PID 404 wrote to memory of 1420 404 cmd.exe 123 PID 404 wrote to memory of 1420 404 cmd.exe 123 PID 404 wrote to memory of 1420 404 cmd.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\6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exe"C:\Users\Admin\AppData\Local\Temp\6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2764 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1476
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C:\Users\Admin\AppData\Local\Temp\6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.exe"C:\Users\Admin\AppData\Local\Temp\6f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51.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:3592 -
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:4500
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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:1940 -
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:948
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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:1008
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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:1512
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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:452 -
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:4336
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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:2964
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1496
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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:2904
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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:2168
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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:1284
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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:4592
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:388 -
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:404 -
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:1420
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3592 -s 8843⤵
- Program crash
PID:404
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 3592 -ip 35921⤵PID:1232
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4728
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
MD5eced808a4752d1987bab5f5ef0bdc085
SHA1b510481996c175702ad9a5ad3ebacb83a45c57cd
SHA25666e090af68d5c5947b239069a784f7c2e7ed86099b5190af1729a1b8752ac1f4
SHA51270ba1c6e310dc7a4e6cf1f0a40a1e98e6e77f5fccb3dd2643643ac35d9280b57a836d2e0a7af9c77641c080adc1e1cd4e0ab7e44d41ae60f64dfb39a303c9c46
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f710406fdb7f0191e015ae77ac609e47
SHA1fdaa16e2dee65d62c13390fe047f4ab79e8d64f5
SHA25615928ca3c870e0f21465ad104962f69957a7e4a114d864ac2dc36a25540e7d95
SHA51255d764f933b36b4b423198f6210f5d0856fb0a3e5f4461002c301b3e37093aaa86e4a9918cbaca810a84a0441c4779cb8362d391834f5e0140bae2d2ace298d6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5496143b0159426dc858dc079f5032d8b
SHA1378af09b6bf704fc4c3b4c925175c6b9d0047ea2
SHA2560f6fcfdeb45ddbe084d3c6b7139137eafbf136499e0f4ad64e8c500153607d91
SHA5129e7428dadb7f5681f485f5c953e67f2aeed7fcdd8e1469f0c0c4833e40d988cc42b46cdfd6a14ae8ffc356330ce0863d463c61720e9624dc49a0127656e54841
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD523920bcdc783b9dc97e1f5e5a80c9fe8
SHA1edf3c768ece9b1d039d2a2e2aee3cd3007c2f19d
SHA25621eeaf36f53b2cb4d1f1ec718c5a39d04af38e74cef9a90b3ccb96d172eebf6f
SHA512a4d9fb9efd4d818471d2b3cfcec99aec45b7535381f32b47d9dcc1b5a64b1e052e177cf851cd277a1e23ee7214230714fdf95488bcd671399a5c556a26067e62
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5763fedfe8d941a95488e9e47435a2963
SHA15f59691753cec814d6f2eddcdd4748de65664420
SHA2561e8df23c3969f72679c15ff9636bfceebab1fcdabe9c72a2ebed91b657cb047e
SHA5124fae528778329788f6f34e10107edda489bcd4f09e7019c6d4dee806d83cc8df74730a70cd5268f5253249a249f5bb974daf02491e15394e5114d198cbf608a9
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Filesize
4.1MB
MD5d633c1a28c9b62e5f283345d7e863574
SHA19a695c0071f59ee88c2c3b35b14e6f24031eb183
SHA2566f512709caaffbaafb68379aeeb97cf5c328040fed6444e96bd1acc0428b5b51
SHA51287ec9e1621cb36dea11678fa50d27d09dc2dcd81980f932d6fc4695486b008b2a86f2803152ba435a0d7d30b9cd210d5301134c7ff6ce17bb64a642397c6a880
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec