Analysis
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max time kernel
76s -
max time network
157s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
20-04-2024 05:46
Static task
static1
Behavioral task
behavioral1
Sample
6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe
Resource
win10v2004-20240226-en
General
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Target
6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe
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Size
4.2MB
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MD5
83b077307531393e5e6aaf785071ad5d
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SHA1
f2967b81c058ed4c7856161f514cab2fc0fd1b4b
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SHA256
6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea
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SHA512
692e00174f30617a2b7ba84055037d20d548d8fd7089d7804584860dbfdbb74d32613fd4f3b97abcca502e043b8180a1dd77c32f0da4554d28ce98670ab02a72
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SSDEEP
98304:tLQYZG/dgZ86BiJBiuHE0xNIsAKMiZ9poPnhJgyiGt:tf8gKxTxapLMoPnzgS
Malware Config
Signatures
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Glupteba payload 19 IoCs
Processes:
resource yara_rule behavioral1/memory/4444-2-0x00000000040E0000-0x00000000049CB000-memory.dmp family_glupteba behavioral1/memory/4444-3-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4444-4-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4444-11-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4444-13-0x00000000040E0000-0x00000000049CB000-memory.dmp family_glupteba behavioral1/memory/4444-33-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4444-60-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/2576-64-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/2576-97-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/2576-110-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/2576-156-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/3432-228-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/3432-262-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/3432-271-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/3432-273-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/3432-275-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/3432-277-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/3432-279-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/3432-281-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 4052 netsh.exe -
Executes dropped EXE 1 IoCs
Processes:
csrss.exepid process 3432 csrss.exe -
Processes:
resource yara_rule C:\Windows\windefender.exe upx behavioral1/memory/1012-270-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3516-272-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3516-278-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3516-282-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.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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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:
6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exedescription ioc process File opened (read-only) \??\VBoxMiniRdrDN 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe -
Drops file in Windows directory 2 IoCs
Processes:
6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exedescription ioc process File opened for modification C:\Windows\rss 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe File created C:\Windows\rss\csrss.exe 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
Processes:
sc.exepid process 2416 sc.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 2116 schtasks.exe 3652 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time" 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs 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\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time" 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time" 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time" 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates 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\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time" 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs 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\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time" 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-3141 = "South Sudan Daylight Time" 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time" 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time" 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-412 = "E. Africa Standard Time" 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time" 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time" 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time" 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2531 = "Chatham Islands Daylight Time" 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time" 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2791 = "Novosibirsk Daylight Time" 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time" 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.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\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time" 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time" 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)" 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time" 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time" 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time" 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time" 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time" 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe -
Suspicious behavior: EnumeratesProcesses 32 IoCs
Processes:
powershell.exe6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exepowershell.exe6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid process 4428 powershell.exe 4428 powershell.exe 4444 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe 4444 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe 2868 powershell.exe 2868 powershell.exe 2868 powershell.exe 2576 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe 2576 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe 2576 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe 2576 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe 2576 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe 2576 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe 2576 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe 2576 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe 2576 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe 2576 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe 1820 powershell.exe 1820 powershell.exe 1820 powershell.exe 2988 powershell.exe 2988 powershell.exe 2988 powershell.exe 2860 powershell.exe 2860 powershell.exe 2860 powershell.exe 4512 powershell.exe 4512 powershell.exe 4512 powershell.exe 4680 powershell.exe 4680 powershell.exe 4680 powershell.exe -
Suspicious use of AdjustPrivilegeToken 9 IoCs
Processes:
powershell.exe6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription pid process Token: SeDebugPrivilege 4428 powershell.exe Token: SeDebugPrivilege 4444 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe Token: SeImpersonatePrivilege 4444 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe Token: SeDebugPrivilege 2868 powershell.exe Token: SeDebugPrivilege 1820 powershell.exe Token: SeDebugPrivilege 2988 powershell.exe Token: SeDebugPrivilege 2860 powershell.exe Token: SeDebugPrivilege 4512 powershell.exe Token: SeDebugPrivilege 4680 powershell.exe -
Suspicious use of WriteProcessMemory 28 IoCs
Processes:
6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.execmd.execsrss.exedescription pid process target process PID 4444 wrote to memory of 4428 4444 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe powershell.exe PID 4444 wrote to memory of 4428 4444 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe powershell.exe PID 4444 wrote to memory of 4428 4444 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe powershell.exe PID 2576 wrote to memory of 2868 2576 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe powershell.exe PID 2576 wrote to memory of 2868 2576 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe powershell.exe PID 2576 wrote to memory of 2868 2576 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe powershell.exe PID 2576 wrote to memory of 4256 2576 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe cmd.exe PID 2576 wrote to memory of 4256 2576 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe cmd.exe PID 4256 wrote to memory of 4052 4256 cmd.exe netsh.exe PID 4256 wrote to memory of 4052 4256 cmd.exe netsh.exe PID 2576 wrote to memory of 1820 2576 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe powershell.exe PID 2576 wrote to memory of 1820 2576 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe powershell.exe PID 2576 wrote to memory of 1820 2576 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe powershell.exe PID 2576 wrote to memory of 2988 2576 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe powershell.exe PID 2576 wrote to memory of 2988 2576 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe powershell.exe PID 2576 wrote to memory of 2988 2576 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe powershell.exe PID 2576 wrote to memory of 3432 2576 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe csrss.exe PID 2576 wrote to memory of 3432 2576 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe csrss.exe PID 2576 wrote to memory of 3432 2576 6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe csrss.exe PID 3432 wrote to memory of 2860 3432 csrss.exe powershell.exe PID 3432 wrote to memory of 2860 3432 csrss.exe powershell.exe PID 3432 wrote to memory of 2860 3432 csrss.exe powershell.exe PID 3432 wrote to memory of 4512 3432 csrss.exe powershell.exe PID 3432 wrote to memory of 4512 3432 csrss.exe powershell.exe PID 3432 wrote to memory of 4512 3432 csrss.exe powershell.exe PID 3432 wrote to memory of 4680 3432 csrss.exe powershell.exe PID 3432 wrote to memory of 4680 3432 csrss.exe powershell.exe PID 3432 wrote to memory of 4680 3432 csrss.exe powershell.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\6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe"C:\Users\Admin\AppData\Local\Temp\6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4444 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4428
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C:\Users\Admin\AppData\Local\Temp\6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.exe"C:\Users\Admin\AppData\Local\Temp\6f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea.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:2576 -
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:2868
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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:4256 -
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:4052
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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:1820
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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:2988
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C:\Windows\rss\csrss.exeC:\Windows\rss\csrss.exe3⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3432 -
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:2860
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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:2116
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2648
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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:4512
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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:4680
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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⤵PID:3196
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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:3652
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵PID:1012
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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⤵PID:3552
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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
PID:2416
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3792 --field-trial-handle=2356,i,13261194862334667799,7441241219475888176,262144 --variations-seed-version /prefetch:81⤵PID:4240
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵PID:3516
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
MD5e03d4330d7c2b1ccae04188510a74b8e
SHA1705d68d23cbfc875be7473977e515d2160ac99e6
SHA2562d16e59290a9bb2059274dfaa7e241b47e720d136680b79bc1035c68d4b9e390
SHA5120e9542bf2d739068e99ed11c03fa96ad7d623017491325a890744161bf5a27e9c0b8d4c084a1bfa64a2997e4d99e73ca53aaa0500fde2445e9cd24d0d6b4bb27
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e07e299dde5c6324a1e0fc7e3df88899
SHA13a74c0af0b6aa745ada9081dbcc29492d32dbad5
SHA2567678352a4a84fe6701706a06a4c8b54ec4507f14d40ff035d0fb31582dc7b122
SHA5125f14d1e7447aae6204611c0360bb50c0f371d10bbd801728d189a421782020882452ea4c6cb43c03da8fc399dddbf255f5fc83d2d9975a9be75a1ab2ebd500c3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57fbaf2a2db586e5f190efdfeb8c629b5
SHA194819f28df41872f3aab1bc34aa24d3c6871c493
SHA256969f0cf67e140a18566284e7cef4da5d3162902b1dc9d078f8f76a5e293ef357
SHA51298d05a452bb845c0bc8afc8a8e10261a98bc8344cf5d32d4b00c638253e03e2b0a00e7b6b8d67e4fd74597fb50b8b8df06988344008ecbbdf0c112fbfd502f88
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55b281d23fb7ff8326dabbb6e48c88dee
SHA1aba25f8bb3305018b36e7c832c4dcf49fb6b66a4
SHA2568c7fbfaf4caf7b92806e11cd6278e8d7b96791348588c9de7af16aeeceedc58d
SHA5120be17a4821f843f34b5acf9b6eacd149756defd8f8a8126c19418ecff456c2001d9200a0f71bc91a62548ad16d7f4b895ad2d8b148db287ed1822026195bda71
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f7e58bca2c9f20c8dcbafe9edef08d59
SHA1d3faa856754c7b455f027f2a801773df1ad53386
SHA25640890e2463068867d9a2a962051393450a1972fd1aa29338e302903ed48cfbcb
SHA5121ffde565f2dde3848d4e1bcb14c3cf1a364fb748096f8552a113e8f73e60e0310e39530e4d1c2a655ccef3d42cdfb2d56a3a8057e7bda101efde822d01c546c0
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Filesize
4.2MB
MD583b077307531393e5e6aaf785071ad5d
SHA1f2967b81c058ed4c7856161f514cab2fc0fd1b4b
SHA2566f609d75eae5e6fd1d0e14c5c4aed4e0003ede931ddc002038153dabbe80f1ea
SHA512692e00174f30617a2b7ba84055037d20d548d8fd7089d7804584860dbfdbb74d32613fd4f3b97abcca502e043b8180a1dd77c32f0da4554d28ce98670ab02a72
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec