Analysis
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max time kernel
150s -
max time network
149s -
platform
windows11-21h2_x64 -
resource
win11-20240412-en -
resource tags
arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-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 19 IoCs
Processes:
resource yara_rule behavioral2/memory/4544-2-0x0000000004250000-0x0000000004B3B000-memory.dmp family_glupteba behavioral2/memory/4544-3-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/4084-54-0x0000000003F90000-0x000000000487B000-memory.dmp family_glupteba behavioral2/memory/4544-52-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/4084-55-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/4084-146-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/4740-246-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/4740-255-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/4740-257-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/4740-259-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/4740-261-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/4740-263-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/4740-265-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/4740-267-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/4740-269-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/4740-271-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/4740-273-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/4740-275-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/4740-277-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 1228 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid process 4740 csrss.exe 2224 injector.exe 1944 windefender.exe 3696 windefender.exe -
Processes:
resource yara_rule C:\Windows\windefender.exe upx behavioral2/memory/1944-253-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3696-256-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3696-260-0x0000000000400000-0x00000000008DF000-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-1-5-21-2718508534-2116753757-2794822388-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" bd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.exe Set value (str) \REGISTRY\USER\S-1-5-21-2718508534-2116753757-2794822388-1000\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:
bd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.execsrss.exedescription ioc process File opened for modification C:\Windows\rss bd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.exe File created C:\Windows\rss\csrss.exe bd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
Processes:
sc.exepid process 2812 sc.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 1684 4544 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 2760 schtasks.exe 3572 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
powershell.exewindefender.exebd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-261 = "GMT Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1501 = "Turkey Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time" bd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time" bd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1041 = "Ulaanbaatar 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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" bd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-892 = "Morocco Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs 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\26\52C64B7E\@tzres.dll,-631 = "Tokyo Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2872 = "Magallanes Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-72 = "Newfoundland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2752 = "Tomsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time" bd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time" bd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-41 = "E. South America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-385 = "Namibia Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2492 = "Aus Central W. Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1861 = "Russia TZ 6 Daylight 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\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time" bd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" bd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates 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\26\52C64B7E\@tzres.dll,-2322 = "Sakhalin Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" bd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" bd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root 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\26\52C64B7E\@tzres.dll,-434 = "Georgian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time" bd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" bd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time" bd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" bd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.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\@tzres.dll,-412 = "E. Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-912 = "Mauritius 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,-661 = "Cen. Australia Daylight Time" bd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time" bd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1022 = "Bangladesh Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-621 = "Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time" bd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa 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\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exebd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.exepowershell.exebd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid process 4792 powershell.exe 4792 powershell.exe 4544 bd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.exe 4544 bd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.exe 3840 powershell.exe 3840 powershell.exe 4084 bd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.exe 4084 bd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.exe 4084 bd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.exe 4084 bd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.exe 4084 bd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.exe 4084 bd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.exe 4084 bd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.exe 4084 bd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.exe 4084 bd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.exe 4084 bd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.exe 1436 powershell.exe 1436 powershell.exe 1116 powershell.exe 1116 powershell.exe 1536 powershell.exe 1536 powershell.exe 4876 powershell.exe 4876 powershell.exe 2828 powershell.exe 2828 powershell.exe 2224 injector.exe 2224 injector.exe 2224 injector.exe 2224 injector.exe 2224 injector.exe 2224 injector.exe 4740 csrss.exe 4740 csrss.exe 2224 injector.exe 2224 injector.exe 2224 injector.exe 2224 injector.exe 2224 injector.exe 2224 injector.exe 4740 csrss.exe 4740 csrss.exe 2224 injector.exe 2224 injector.exe 2224 injector.exe 2224 injector.exe 2224 injector.exe 2224 injector.exe 4740 csrss.exe 4740 csrss.exe 2224 injector.exe 2224 injector.exe 2224 injector.exe 2224 injector.exe 2224 injector.exe 2224 injector.exe 2224 injector.exe 2224 injector.exe 2224 injector.exe 2224 injector.exe 2224 injector.exe 2224 injector.exe 2224 injector.exe 2224 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exebd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid process Token: SeDebugPrivilege 4792 powershell.exe Token: SeDebugPrivilege 4544 bd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.exe Token: SeImpersonatePrivilege 4544 bd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.exe Token: SeDebugPrivilege 3840 powershell.exe Token: SeDebugPrivilege 1436 powershell.exe Token: SeDebugPrivilege 1116 powershell.exe Token: SeDebugPrivilege 1536 powershell.exe Token: SeDebugPrivilege 4876 powershell.exe Token: SeDebugPrivilege 2828 powershell.exe Token: SeSystemEnvironmentPrivilege 4740 csrss.exe Token: SeSecurityPrivilege 2812 sc.exe Token: SeSecurityPrivilege 2812 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
bd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.exebd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.execmd.execsrss.exewindefender.execmd.exedescription pid process target process PID 4544 wrote to memory of 4792 4544 bd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.exe powershell.exe PID 4544 wrote to memory of 4792 4544 bd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.exe powershell.exe PID 4544 wrote to memory of 4792 4544 bd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.exe powershell.exe PID 4084 wrote to memory of 3840 4084 bd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.exe powershell.exe PID 4084 wrote to memory of 3840 4084 bd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.exe powershell.exe PID 4084 wrote to memory of 3840 4084 bd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.exe powershell.exe PID 4084 wrote to memory of 4444 4084 bd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.exe cmd.exe PID 4084 wrote to memory of 4444 4084 bd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.exe cmd.exe PID 4444 wrote to memory of 1228 4444 cmd.exe netsh.exe PID 4444 wrote to memory of 1228 4444 cmd.exe netsh.exe PID 4084 wrote to memory of 1436 4084 bd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.exe powershell.exe PID 4084 wrote to memory of 1436 4084 bd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.exe powershell.exe PID 4084 wrote to memory of 1436 4084 bd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.exe powershell.exe PID 4084 wrote to memory of 1116 4084 bd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.exe powershell.exe PID 4084 wrote to memory of 1116 4084 bd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.exe powershell.exe PID 4084 wrote to memory of 1116 4084 bd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.exe powershell.exe PID 4084 wrote to memory of 4740 4084 bd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.exe csrss.exe PID 4084 wrote to memory of 4740 4084 bd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.exe csrss.exe PID 4084 wrote to memory of 4740 4084 bd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2.exe csrss.exe PID 4740 wrote to memory of 1536 4740 csrss.exe powershell.exe PID 4740 wrote to memory of 1536 4740 csrss.exe powershell.exe PID 4740 wrote to memory of 1536 4740 csrss.exe powershell.exe PID 4740 wrote to memory of 4876 4740 csrss.exe powershell.exe PID 4740 wrote to memory of 4876 4740 csrss.exe powershell.exe PID 4740 wrote to memory of 4876 4740 csrss.exe powershell.exe PID 4740 wrote to memory of 2828 4740 csrss.exe powershell.exe PID 4740 wrote to memory of 2828 4740 csrss.exe powershell.exe PID 4740 wrote to memory of 2828 4740 csrss.exe powershell.exe PID 4740 wrote to memory of 2224 4740 csrss.exe injector.exe PID 4740 wrote to memory of 2224 4740 csrss.exe injector.exe PID 1944 wrote to memory of 3604 1944 windefender.exe cmd.exe PID 1944 wrote to memory of 3604 1944 windefender.exe cmd.exe PID 1944 wrote to memory of 3604 1944 windefender.exe cmd.exe PID 3604 wrote to memory of 2812 3604 cmd.exe sc.exe PID 3604 wrote to memory of 2812 3604 cmd.exe sc.exe PID 3604 wrote to memory of 2812 3604 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:4544 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4792
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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:4084 -
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:3840
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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:4444 -
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:1228
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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:1436
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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:1116
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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:4740 -
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:1536
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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:3572
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2908
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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:4876
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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:2828
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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:2224
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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:2760
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1944 -
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:3604 -
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:2812
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4544 -s 9682⤵
- Program crash
PID:1684
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4544 -ip 45441⤵PID:672
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3696
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
MD5e8a7678a85cf2c013b90b298ce226ba1
SHA196d1930cacc48b9fc18dab099e225f482b30f54a
SHA256f904152265013c97a9f66aa586f6fab3cf3c7097f6ae3fac86f45ab1f67d7c14
SHA51206c6d3d59d19b0a483c4c15e28e8d0610b523d35633b341a2b94a436044b45d2aab121597b511674ed827778a82407a632d8d82189efebe34a5a627a7aca7dcf
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5134c3f3955a0c0f06d7f7a2d026b1708
SHA10f9cef135db95fe4f59a09cf9c83151a5230cb8b
SHA2560c5a6b66a161a5511d9e409483b7333bf91b71576e5d1a3d0b86325d56833a2b
SHA512537546b34361245a79e99c96d393bb48813575b49e9eca7afee6d910ff900fc58a286a6b4df37c4edc04abd72c238fc635cc4dc159b4232d439ad79eaf896900
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59f4c90af77e3133aab80b565d1f49cb2
SHA10af629c91ad1b522630a3eacd1991f9c883f79c5
SHA2569cb16b05c753a2d95a0d1da7285d67ccd0cbc7ecc682c0ff332114c74772990f
SHA512919360664200e2323a5ea71bc1f4d0414126c5284df77263d757a06e17287b3c35e575480fe260a33f0fc04396a149f2c302787146c500ef3d513155f49ce513
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD534eed99fa81f9ce2ef92e98e48ba48a1
SHA1106ecae8ad5fdea239a84f5121f5639f3732dd38
SHA25601c7b0c9a5c7f80726d4b0c75cb5dfd4040889c03fd9427b332f5ef02e0f67d7
SHA51229fbee51c42f044c2201f46c1ab8402df82066381633254057cf1a10e329d0e88e35bf54a692d258806fd4ce81b38beb95420b494962b4d1f668f7065dd8eb90
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5fae3724f80792f8ae781794231b90ee0
SHA1a48f67ea3f3b24effcc3eacb5eb9ddf48abb0d3f
SHA256414b7fc80393951045b26b86215dec6cddb2ddc1866081163cea7678903bf195
SHA51212467afcefb9d29c2636065b858d52dfaca5a348463773e61af1c1aed8dcc91ba74ec1e3e867abad768f45c42a8e22815ff640c83469462fa8aa65a071875b60
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Filesize
4.2MB
MD5ad7741d10af40775a2acf5f795535257
SHA1d020c6481c5abb7f7a47c8d83d723bb3960424c0
SHA256bd64bb2d71c3d54a942ff7e0a0bbb78aa99074de18ca4cb2e40f01eca2f058e2
SHA512b3f917189acb297bc76796dbb8031b706415a127edc8c1fe65decb14f00da957eeecee95659d4c4f2afd61a6aec6d8febc96a5875f4f63dab3cf55a9f7d37a6e
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec