Analysis
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max time kernel
149s -
max time network
138s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
20-04-2024 05:46
Static task
static1
Behavioral task
behavioral1
Sample
bd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.exe
Resource
win10v2004-20240412-en
General
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Target
bd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.exe
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Size
4.2MB
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MD5
ad7741d10af40775a2acf5f795535257
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SHA1
d020c6481c5abb7f7a47c8d83d723bb3960424c0
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SHA256
bd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2
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SHA512
b3f917189acb297bc76796dbb8031b706415a127edc8c1fe65decb14f00da957eeecee95659d4c4f2afd61a6aec6d8febc96a5875f4f63dab3cf55a9f7d37a6e
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SSDEEP
98304:9LQYZG/dgZ86BiJBiuHE0xNIsAKMiZ9poPnhJgyiGM:df8gKxTxapLMoPnzgj
Malware Config
Signatures
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Glupteba payload 21 IoCs
Processes:
resource yara_rule behavioral1/memory/4180-2-0x0000000003F90000-0x000000000487B000-memory.dmp family_glupteba behavioral1/memory/4180-3-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4180-54-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4180-56-0x0000000003F90000-0x000000000487B000-memory.dmp family_glupteba behavioral1/memory/3084-57-0x00000000039D0000-0x0000000003DD8000-memory.dmp family_glupteba behavioral1/memory/3084-58-0x0000000003EE0000-0x00000000047CB000-memory.dmp family_glupteba behavioral1/memory/3084-59-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/3084-159-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/1584-258-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/1584-267-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/1584-268-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/1584-270-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/1584-272-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/1584-275-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/1584-276-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/1584-278-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/1584-280-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/1584-282-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/1584-285-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/1584-286-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/1584-288-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 1604 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid process 1584 csrss.exe 4724 injector.exe 2052 windefender.exe 2664 windefender.exe -
Processes:
resource yara_rule C:\Windows\windefender.exe upx behavioral1/memory/2052-266-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2664-269-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2664-273-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
bd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.execsrss.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" bd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.exe Set value (str) \REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\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 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 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 -
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:
bd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.exedescription ioc process File opened (read-only) \??\VBoxMiniRdrDN bd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.exe -
Drops file in Windows directory 4 IoCs
Processes:
csrss.exebd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.exedescription ioc process 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 bd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.exe File created C:\Windows\rss\csrss.exe bd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
Processes:
sc.exepid process 3916 sc.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 4344 3084 WerFault.exe bd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.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 1688 schtasks.exe 2996 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
powershell.exepowershell.exewindefender.exepowershell.exebd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.exepowershell.exepowershell.exepowershell.exedescription ioc process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time" bd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-791 = "SA Western Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time" bd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-292 = "Central European Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" bd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time" bd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs 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\26\52C64B7E\@tzres.dll,-362 = "GTB Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time" bd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1042 = "Ulaanbaatar Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time" bd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time" bd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.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\26\52C64B7E\@tzres.dll,-2321 = "Sakhalin Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-591 = "Malay Peninsula Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time" bd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time" bd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time" bd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-384 = "Namibia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-242 = "Samoa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1412 = "Syria Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2531 = "Chatham Islands Daylight Time" bd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time" bd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2531 = "Chatham Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-432 = "Iran Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-981 = "Kamchatka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-771 = "Montevideo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-501 = "Nepal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-412 = "E. Africa Standard Time" bd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" bd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-681 = "E. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time" bd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time" bd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" bd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-171 = "Central Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-571 = "China Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-112 = "Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-364 = "Middle East Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time" bd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.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\26\52C64B7E\@tzres.dll,-448 = "Azerbaijan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-92 = "Pacific SA Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time" bd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust 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\26\52C64B7E\@tzres.dll,-82 = "Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-301 = "Romance Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2941 = "Sao Tome Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exebd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.exepowershell.exebd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid process 444 powershell.exe 444 powershell.exe 4180 bd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.exe 4180 bd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.exe 2528 powershell.exe 2528 powershell.exe 2528 powershell.exe 3084 bd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.exe 3084 bd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.exe 3084 bd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.exe 3084 bd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.exe 3084 bd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.exe 3084 bd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.exe 3084 bd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.exe 3084 bd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.exe 3084 bd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.exe 3084 bd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.exe 3476 powershell.exe 3476 powershell.exe 3476 powershell.exe 4700 powershell.exe 4700 powershell.exe 4700 powershell.exe 4008 powershell.exe 4008 powershell.exe 4008 powershell.exe 2976 powershell.exe 2976 powershell.exe 2976 powershell.exe 3652 powershell.exe 3652 powershell.exe 3652 powershell.exe 4724 injector.exe 4724 injector.exe 4724 injector.exe 4724 injector.exe 4724 injector.exe 4724 injector.exe 1584 csrss.exe 1584 csrss.exe 4724 injector.exe 4724 injector.exe 4724 injector.exe 4724 injector.exe 4724 injector.exe 4724 injector.exe 1584 csrss.exe 1584 csrss.exe 4724 injector.exe 4724 injector.exe 4724 injector.exe 4724 injector.exe 4724 injector.exe 4724 injector.exe 1584 csrss.exe 1584 csrss.exe 4724 injector.exe 4724 injector.exe 4724 injector.exe 4724 injector.exe 4724 injector.exe 4724 injector.exe 4724 injector.exe 4724 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exebd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid process Token: SeDebugPrivilege 444 powershell.exe Token: SeDebugPrivilege 4180 bd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.exe Token: SeImpersonatePrivilege 4180 bd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.exe Token: SeDebugPrivilege 2528 powershell.exe Token: SeDebugPrivilege 3476 powershell.exe Token: SeDebugPrivilege 4700 powershell.exe Token: SeDebugPrivilege 4008 powershell.exe Token: SeDebugPrivilege 2976 powershell.exe Token: SeDebugPrivilege 3652 powershell.exe Token: SeSystemEnvironmentPrivilege 1584 csrss.exe Token: SeSecurityPrivilege 3916 sc.exe Token: SeSecurityPrivilege 3916 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
bd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.exebd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.execmd.execsrss.exewindefender.execmd.exedescription pid process target process PID 4180 wrote to memory of 444 4180 bd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.exe powershell.exe PID 4180 wrote to memory of 444 4180 bd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.exe powershell.exe PID 4180 wrote to memory of 444 4180 bd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.exe powershell.exe PID 3084 wrote to memory of 2528 3084 bd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.exe powershell.exe PID 3084 wrote to memory of 2528 3084 bd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.exe powershell.exe PID 3084 wrote to memory of 2528 3084 bd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.exe powershell.exe PID 3084 wrote to memory of 224 3084 bd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.exe cmd.exe PID 3084 wrote to memory of 224 3084 bd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.exe cmd.exe PID 224 wrote to memory of 1604 224 cmd.exe netsh.exe PID 224 wrote to memory of 1604 224 cmd.exe netsh.exe PID 3084 wrote to memory of 3476 3084 bd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.exe powershell.exe PID 3084 wrote to memory of 3476 3084 bd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.exe powershell.exe PID 3084 wrote to memory of 3476 3084 bd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.exe powershell.exe PID 3084 wrote to memory of 4700 3084 bd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.exe powershell.exe PID 3084 wrote to memory of 4700 3084 bd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.exe powershell.exe PID 3084 wrote to memory of 4700 3084 bd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.exe powershell.exe PID 3084 wrote to memory of 1584 3084 bd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.exe csrss.exe PID 3084 wrote to memory of 1584 3084 bd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.exe csrss.exe PID 3084 wrote to memory of 1584 3084 bd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.exe csrss.exe PID 1584 wrote to memory of 4008 1584 csrss.exe powershell.exe PID 1584 wrote to memory of 4008 1584 csrss.exe powershell.exe PID 1584 wrote to memory of 4008 1584 csrss.exe powershell.exe PID 1584 wrote to memory of 2976 1584 csrss.exe powershell.exe PID 1584 wrote to memory of 2976 1584 csrss.exe powershell.exe PID 1584 wrote to memory of 2976 1584 csrss.exe powershell.exe PID 1584 wrote to memory of 3652 1584 csrss.exe powershell.exe PID 1584 wrote to memory of 3652 1584 csrss.exe powershell.exe PID 1584 wrote to memory of 3652 1584 csrss.exe powershell.exe PID 1584 wrote to memory of 4724 1584 csrss.exe injector.exe PID 1584 wrote to memory of 4724 1584 csrss.exe injector.exe PID 2052 wrote to memory of 2848 2052 windefender.exe cmd.exe PID 2052 wrote to memory of 2848 2052 windefender.exe cmd.exe PID 2052 wrote to memory of 2848 2052 windefender.exe cmd.exe PID 2848 wrote to memory of 3916 2848 cmd.exe sc.exe PID 2848 wrote to memory of 3916 2848 cmd.exe sc.exe PID 2848 wrote to memory of 3916 2848 cmd.exe sc.exe -
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\bd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.exe"C:\Users\Admin\AppData\Local\Temp\bd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4180 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:444
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C:\Users\Admin\AppData\Local\Temp\bd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.exe"C:\Users\Admin\AppData\Local\Temp\bd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.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:3084 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2528
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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:224 -
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:1604
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3476
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4700
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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:1584 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4008
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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:1688
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4148
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2976
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3652
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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:4724
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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:2996
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2052 -
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:2848 -
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:3916
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3084 -s 8603⤵
- Program crash
PID:4344
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 3084 -ip 30841⤵PID:3956
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2664
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
MD5b01d4157243e3c0402929174283c1be9
SHA1259c6168516cb8b312ea05fd856850aa55ce9071
SHA25619898479d59a88fe5aeb49cc2ac7b557ec10d05f88773f3262b7a298735a4cfb
SHA512f04d52be0aca098601dbd1aae9bc6467e55164505c85069658ce8ab499fe516b17bbd64ec18fcfb307ad09fa28d64db6a79079a355ad2f1f1bdc6ac886d42b5d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5fec95baeccf2d23258c479288556a845
SHA119377e66df0d034a78f013ceed54d66a6fc2426f
SHA2561d66c465c005524a5dfce564500adcad925f4241642273f785d33b8552b378d1
SHA5128b6972c6c1e1b3a38d405757e8a34aab18f46bbb58f8215daab40acb054c04ab36992a2339f36ecd8f9dd7037f1713ec8878166d3d0f3527ecb7681b17326d48
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5660e43acd177b8a9d2d7aeda46af0e8f
SHA10609ce64e5f8d9a5b9c0e776f2028cc999fd0623
SHA2568c189610fbd92c39b613707496c8ce7e4b0942ebffbfe20e7c8a377761beaf5c
SHA51212204bb21f13b3b1875f3c8d893c9cf771858798c09ed4680467b2f45423a7c480ec3566006a4dad696862521ba44065067ade6e5b1cc620e8a8e3b90ba46f6d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5dc81ce538267a8944e562f0110756bd2
SHA13985b03df20d7c93891981a1b05704dfe3392a03
SHA256a4f5d3647572cfa93152ca020699e0303012d9ab46f25c950f7cf2158ee2dfa0
SHA5127739865de6f878b4c5a4b8b46f37193bfaadac8f4651317fee3971ee5ab36d7fae28e5efe2d67796106ad8c44b0eb448629392393510a8e52e403f569ac5cc76
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b007ddb0c231b3b38d350f61148cf50f
SHA101523bf4f52a69feb1dc5b381839bd32393c1dc8
SHA25689701c5a61cb3a9881952166796f3edf71bf9b1aadd5b3367f7481e110c2230a
SHA512683b0a6540270b4f69e44cef144efad5c6a8b6000a98f281c0861011caa9347b2afd490909afc75ff4d99e4085301c2fa6b36166c647015d21b4ab6dc449cc56
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Filesize
4.2MB
MD5ad7741d10af40775a2acf5f795535257
SHA1d020c6481c5abb7f7a47c8d83d723bb3960424c0
SHA256bd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2
SHA512b3f917189acb297bc76796dbb8031b706415a127edc8c1fe65decb14f00da957eeecee95659d4c4f2afd61a6aec6d8febc96a5875f4f63dab3cf55a9f7d37a6e
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec