Analysis
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max time kernel
149s -
max time network
144s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
19-05-2024 11:37
Static task
static1
Behavioral task
behavioral1
Sample
985b14d2d4f1957a7f68304759dd0a2e4445db2a2ed593ccb23d219d0532c9c3.exe
Resource
win10v2004-20240426-en
General
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Target
985b14d2d4f1957a7f68304759dd0a2e4445db2a2ed593ccb23d219d0532c9c3.exe
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Size
4.1MB
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MD5
3fe8a86a21840c87b9b1e2a74100f002
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SHA1
833bf15d82cd4cf215173ccae45e1e47eeaeefef
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SHA256
985b14d2d4f1957a7f68304759dd0a2e4445db2a2ed593ccb23d219d0532c9c3
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SHA512
a89e132b02eec6a99060c3a1a20e26418e6e25f11cc9240d3bda5beb2572fd485129cbda7261f271de3f7bcfa0b0605a7bbaf83f9c06fc91e0a9b0692969995b
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SSDEEP
98304:Ok/C6baF9NNXYvR+SQPyohxfWe3/GY9pAEj69:On6bazjovoyoHfX3/GYHK
Malware Config
Signatures
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Glupteba payload 19 IoCs
Processes:
resource yara_rule behavioral1/memory/3740-2-0x00000000044C0000-0x0000000004DAB000-memory.dmp family_glupteba behavioral1/memory/3740-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3740-57-0x00000000044C0000-0x0000000004DAB000-memory.dmp family_glupteba behavioral1/memory/3740-54-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/3740-56-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1204-136-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/4864-219-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/4864-228-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/4864-230-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/4864-232-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/4864-234-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/4864-236-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/4864-238-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/4864-240-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/4864-242-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/4864-244-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/4864-246-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/4864-248-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/4864-250-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 3520 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 4864 csrss.exe 4724 injector.exe 3472 windefender.exe 3728 windefender.exe -
Processes:
resource yara_rule behavioral1/files/0x0008000000023405-223.dat upx behavioral1/memory/3472-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3472-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3728-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3728-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3728-233-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3728-239-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
985b14d2d4f1957a7f68304759dd0a2e4445db2a2ed593ccb23d219d0532c9c3.execsrss.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 985b14d2d4f1957a7f68304759dd0a2e4445db2a2ed593ccb23d219d0532c9c3.exe Set value (str) \REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\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 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 -
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:
985b14d2d4f1957a7f68304759dd0a2e4445db2a2ed593ccb23d219d0532c9c3.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN 985b14d2d4f1957a7f68304759dd0a2e4445db2a2ed593ccb23d219d0532c9c3.exe -
Drops file in Windows directory 4 IoCs
Processes:
985b14d2d4f1957a7f68304759dd0a2e4445db2a2ed593ccb23d219d0532c9c3.execsrss.exedescription ioc Process File opened for modification C:\Windows\rss 985b14d2d4f1957a7f68304759dd0a2e4445db2a2ed593ccb23d219d0532c9c3.exe File created C:\Windows\rss\csrss.exe 985b14d2d4f1957a7f68304759dd0a2e4445db2a2ed593ccb23d219d0532c9c3.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 2360 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 736 powershell.exe 3984 powershell.exe 1856 powershell.exe 3936 powershell.exe 4472 powershell.exe 680 powershell.exe 832 powershell.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target Process procid_target 2868 1204 WerFault.exe 92 -
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 2460 schtasks.exe 3256 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
windefender.exe985b14d2d4f1957a7f68304759dd0a2e4445db2a2ed593ccb23d219d0532c9c3.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2892 = "Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-692 = "Tasmania Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time" 985b14d2d4f1957a7f68304759dd0a2e4445db2a2ed593ccb23d219d0532c9c3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time" 985b14d2d4f1957a7f68304759dd0a2e4445db2a2ed593ccb23d219d0532c9c3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" 985b14d2d4f1957a7f68304759dd0a2e4445db2a2ed593ccb23d219d0532c9c3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-841 = "Argentina Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-831 = "SA Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time" 985b14d2d4f1957a7f68304759dd0a2e4445db2a2ed593ccb23d219d0532c9c3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time" 985b14d2d4f1957a7f68304759dd0a2e4445db2a2ed593ccb23d219d0532c9c3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2372 = "Easter Island Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-261 = "GMT Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-371 = "Jerusalem Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" 985b14d2d4f1957a7f68304759dd0a2e4445db2a2ed593ccb23d219d0532c9c3.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-452 = "Caucasus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-501 = "Nepal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2452 = "Saint Pierre Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time" 985b14d2d4f1957a7f68304759dd0a2e4445db2a2ed593ccb23d219d0532c9c3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" 985b14d2d4f1957a7f68304759dd0a2e4445db2a2ed593ccb23d219d0532c9c3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-462 = "Afghanistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-732 = "Fiji Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-411 = "E. Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1862 = "Russia TZ 6 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1502 = "Turkey Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time" 985b14d2d4f1957a7f68304759dd0a2e4445db2a2ed593ccb23d219d0532c9c3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time" 985b14d2d4f1957a7f68304759dd0a2e4445db2a2ed593ccb23d219d0532c9c3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" 985b14d2d4f1957a7f68304759dd0a2e4445db2a2ed593ccb23d219d0532c9c3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-381 = "South Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time" 985b14d2d4f1957a7f68304759dd0a2e4445db2a2ed593ccb23d219d0532c9c3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" 985b14d2d4f1957a7f68304759dd0a2e4445db2a2ed593ccb23d219d0532c9c3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-341 = "Egypt Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2062 = "North Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1412 = "Syria Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" 985b14d2d4f1957a7f68304759dd0a2e4445db2a2ed593ccb23d219d0532c9c3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time" 985b14d2d4f1957a7f68304759dd0a2e4445db2a2ed593ccb23d219d0532c9c3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" 985b14d2d4f1957a7f68304759dd0a2e4445db2a2ed593ccb23d219d0532c9c3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-82 = "Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-492 = "India Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time" 985b14d2d4f1957a7f68304759dd0a2e4445db2a2ed593ccb23d219d0532c9c3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time" 985b14d2d4f1957a7f68304759dd0a2e4445db2a2ed593ccb23d219d0532c9c3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time" 985b14d2d4f1957a7f68304759dd0a2e4445db2a2ed593ccb23d219d0532c9c3.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\ProxyBypass = "1" 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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time" 985b14d2d4f1957a7f68304759dd0a2e4445db2a2ed593ccb23d219d0532c9c3.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe985b14d2d4f1957a7f68304759dd0a2e4445db2a2ed593ccb23d219d0532c9c3.exepowershell.exe985b14d2d4f1957a7f68304759dd0a2e4445db2a2ed593ccb23d219d0532c9c3.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 680 powershell.exe 680 powershell.exe 3740 985b14d2d4f1957a7f68304759dd0a2e4445db2a2ed593ccb23d219d0532c9c3.exe 3740 985b14d2d4f1957a7f68304759dd0a2e4445db2a2ed593ccb23d219d0532c9c3.exe 832 powershell.exe 832 powershell.exe 1204 985b14d2d4f1957a7f68304759dd0a2e4445db2a2ed593ccb23d219d0532c9c3.exe 1204 985b14d2d4f1957a7f68304759dd0a2e4445db2a2ed593ccb23d219d0532c9c3.exe 1204 985b14d2d4f1957a7f68304759dd0a2e4445db2a2ed593ccb23d219d0532c9c3.exe 1204 985b14d2d4f1957a7f68304759dd0a2e4445db2a2ed593ccb23d219d0532c9c3.exe 1204 985b14d2d4f1957a7f68304759dd0a2e4445db2a2ed593ccb23d219d0532c9c3.exe 1204 985b14d2d4f1957a7f68304759dd0a2e4445db2a2ed593ccb23d219d0532c9c3.exe 1204 985b14d2d4f1957a7f68304759dd0a2e4445db2a2ed593ccb23d219d0532c9c3.exe 1204 985b14d2d4f1957a7f68304759dd0a2e4445db2a2ed593ccb23d219d0532c9c3.exe 1204 985b14d2d4f1957a7f68304759dd0a2e4445db2a2ed593ccb23d219d0532c9c3.exe 1204 985b14d2d4f1957a7f68304759dd0a2e4445db2a2ed593ccb23d219d0532c9c3.exe 736 powershell.exe 736 powershell.exe 3984 powershell.exe 3984 powershell.exe 1856 powershell.exe 1856 powershell.exe 1856 powershell.exe 3936 powershell.exe 3936 powershell.exe 4472 powershell.exe 4472 powershell.exe 4724 injector.exe 4724 injector.exe 4724 injector.exe 4724 injector.exe 4724 injector.exe 4724 injector.exe 4864 csrss.exe 4864 csrss.exe 4724 injector.exe 4724 injector.exe 4724 injector.exe 4724 injector.exe 4724 injector.exe 4724 injector.exe 4864 csrss.exe 4864 csrss.exe 4724 injector.exe 4724 injector.exe 4724 injector.exe 4724 injector.exe 4864 csrss.exe 4864 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 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.exe985b14d2d4f1957a7f68304759dd0a2e4445db2a2ed593ccb23d219d0532c9c3.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 680 powershell.exe Token: SeDebugPrivilege 3740 985b14d2d4f1957a7f68304759dd0a2e4445db2a2ed593ccb23d219d0532c9c3.exe Token: SeImpersonatePrivilege 3740 985b14d2d4f1957a7f68304759dd0a2e4445db2a2ed593ccb23d219d0532c9c3.exe Token: SeDebugPrivilege 832 powershell.exe Token: SeDebugPrivilege 736 powershell.exe Token: SeDebugPrivilege 3984 powershell.exe Token: SeDebugPrivilege 1856 powershell.exe Token: SeDebugPrivilege 3936 powershell.exe Token: SeDebugPrivilege 4472 powershell.exe Token: SeSystemEnvironmentPrivilege 4864 csrss.exe Token: SeSecurityPrivilege 2360 sc.exe Token: SeSecurityPrivilege 2360 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
985b14d2d4f1957a7f68304759dd0a2e4445db2a2ed593ccb23d219d0532c9c3.exe985b14d2d4f1957a7f68304759dd0a2e4445db2a2ed593ccb23d219d0532c9c3.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 3740 wrote to memory of 680 3740 985b14d2d4f1957a7f68304759dd0a2e4445db2a2ed593ccb23d219d0532c9c3.exe 83 PID 3740 wrote to memory of 680 3740 985b14d2d4f1957a7f68304759dd0a2e4445db2a2ed593ccb23d219d0532c9c3.exe 83 PID 3740 wrote to memory of 680 3740 985b14d2d4f1957a7f68304759dd0a2e4445db2a2ed593ccb23d219d0532c9c3.exe 83 PID 1204 wrote to memory of 832 1204 985b14d2d4f1957a7f68304759dd0a2e4445db2a2ed593ccb23d219d0532c9c3.exe 93 PID 1204 wrote to memory of 832 1204 985b14d2d4f1957a7f68304759dd0a2e4445db2a2ed593ccb23d219d0532c9c3.exe 93 PID 1204 wrote to memory of 832 1204 985b14d2d4f1957a7f68304759dd0a2e4445db2a2ed593ccb23d219d0532c9c3.exe 93 PID 1204 wrote to memory of 640 1204 985b14d2d4f1957a7f68304759dd0a2e4445db2a2ed593ccb23d219d0532c9c3.exe 99 PID 1204 wrote to memory of 640 1204 985b14d2d4f1957a7f68304759dd0a2e4445db2a2ed593ccb23d219d0532c9c3.exe 99 PID 640 wrote to memory of 3520 640 cmd.exe 101 PID 640 wrote to memory of 3520 640 cmd.exe 101 PID 1204 wrote to memory of 736 1204 985b14d2d4f1957a7f68304759dd0a2e4445db2a2ed593ccb23d219d0532c9c3.exe 102 PID 1204 wrote to memory of 736 1204 985b14d2d4f1957a7f68304759dd0a2e4445db2a2ed593ccb23d219d0532c9c3.exe 102 PID 1204 wrote to memory of 736 1204 985b14d2d4f1957a7f68304759dd0a2e4445db2a2ed593ccb23d219d0532c9c3.exe 102 PID 1204 wrote to memory of 3984 1204 985b14d2d4f1957a7f68304759dd0a2e4445db2a2ed593ccb23d219d0532c9c3.exe 106 PID 1204 wrote to memory of 3984 1204 985b14d2d4f1957a7f68304759dd0a2e4445db2a2ed593ccb23d219d0532c9c3.exe 106 PID 1204 wrote to memory of 3984 1204 985b14d2d4f1957a7f68304759dd0a2e4445db2a2ed593ccb23d219d0532c9c3.exe 106 PID 1204 wrote to memory of 4864 1204 985b14d2d4f1957a7f68304759dd0a2e4445db2a2ed593ccb23d219d0532c9c3.exe 108 PID 1204 wrote to memory of 4864 1204 985b14d2d4f1957a7f68304759dd0a2e4445db2a2ed593ccb23d219d0532c9c3.exe 108 PID 1204 wrote to memory of 4864 1204 985b14d2d4f1957a7f68304759dd0a2e4445db2a2ed593ccb23d219d0532c9c3.exe 108 PID 4864 wrote to memory of 1856 4864 csrss.exe 112 PID 4864 wrote to memory of 1856 4864 csrss.exe 112 PID 4864 wrote to memory of 1856 4864 csrss.exe 112 PID 4864 wrote to memory of 3936 4864 csrss.exe 118 PID 4864 wrote to memory of 3936 4864 csrss.exe 118 PID 4864 wrote to memory of 3936 4864 csrss.exe 118 PID 4864 wrote to memory of 4472 4864 csrss.exe 120 PID 4864 wrote to memory of 4472 4864 csrss.exe 120 PID 4864 wrote to memory of 4472 4864 csrss.exe 120 PID 4864 wrote to memory of 4724 4864 csrss.exe 122 PID 4864 wrote to memory of 4724 4864 csrss.exe 122 PID 3472 wrote to memory of 2728 3472 windefender.exe 128 PID 3472 wrote to memory of 2728 3472 windefender.exe 128 PID 3472 wrote to memory of 2728 3472 windefender.exe 128 PID 2728 wrote to memory of 2360 2728 cmd.exe 129 PID 2728 wrote to memory of 2360 2728 cmd.exe 129 PID 2728 wrote to memory of 2360 2728 cmd.exe 129 -
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\985b14d2d4f1957a7f68304759dd0a2e4445db2a2ed593ccb23d219d0532c9c3.exe"C:\Users\Admin\AppData\Local\Temp\985b14d2d4f1957a7f68304759dd0a2e4445db2a2ed593ccb23d219d0532c9c3.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3740 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:680
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C:\Users\Admin\AppData\Local\Temp\985b14d2d4f1957a7f68304759dd0a2e4445db2a2ed593ccb23d219d0532c9c3.exe"C:\Users\Admin\AppData\Local\Temp\985b14d2d4f1957a7f68304759dd0a2e4445db2a2ed593ccb23d219d0532c9c3.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:1204 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:832
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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:640 -
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:3520
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:736
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3984
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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:4864 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1856
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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:2460
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4376
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3936
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4472
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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:3256
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3472 -
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:2728 -
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:2360
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1204 -s 7483⤵
- Program crash
PID:2868
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 176 -p 1204 -ip 12041⤵PID:2724
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3728
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
MD5f25524971b820c904f21d6b1f252be3d
SHA145153a6930686763fd607922d5dda36b8d93a881
SHA256541639da9bdf4e3fa2b52e08ea0ede1be9cd48925e7f52d0914044c32db59fbc
SHA51215d72368aeeaa261f9f41342ce72f67fbc39c4760efc7f42046fb0672fd12bc3b83f0fff265da9de91fab27f754ba4534c3783736a7d500d0cc83e1c0c432cc3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c1c983081308c79e7ab10fb53ecf2cc0
SHA170e24134a7914c2ed52275f77a72da961469fce3
SHA256f07c4ca1e27010f494e71b73a7b9ee882e6372f66b7e717540baf54cfaca91b8
SHA51257cdab647e2ea2ae97f322eb3da43f2da5f5e8852e1800ca21339ce73ea4f45a4795dd2d5686624c48e2883ba98c1fb6d5d6d297eae1d808dda6669ca21408f6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ca3aceda08b8081528f0a3441971d30d
SHA1fd11466e9ec0c444c6c448da0e8a3d16786d4c01
SHA256c6172baf06e05a5ec91444fc5d97e84342bc56d7cc7f0dfd2b533f74c6753885
SHA512b9bccacb93c28f2d63b019685bdc89b217ac9c672104b6e3b4784df966524156e0ee2997d1aa80ff0f2668a93d4a9242aaa4acc3c544cd4f94d876787b4a39fd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59f404a1daab903e858e9bf070692a347
SHA1db822591e96a1573c0918a9be78f3e79c98af8db
SHA2567894baecd638fe99a632c69a864494c8c56e5b4863e55d36f564afc399049aa6
SHA512c1e5a053b54da9898d49ca4b946d0b263d3eab1ec4c886b4618ba96eb8be3d09db89e2a95a352389c11746e3dd0a0c6a52da7b01a8d3a38549e5a735714ba755
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5821b6accdf82d2af464f67727066b67a
SHA1f95dba2721c75f7469cba3a47e2d0b7503c89295
SHA256c530057b923be58ff5bb5933c6653acc56aae23ffed17191eb96793ef5828ec5
SHA5125a58f13936b9f9b18c043d317eefc13b6719e15a6f573a940d18b9ce26c01a0130215e195a7be962abb47b6e9013363e98242498f3d2f07e4aa598a325056642
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Filesize
4.1MB
MD53fe8a86a21840c87b9b1e2a74100f002
SHA1833bf15d82cd4cf215173ccae45e1e47eeaeefef
SHA256985b14d2d4f1957a7f68304759dd0a2e4445db2a2ed593ccb23d219d0532c9c3
SHA512a89e132b02eec6a99060c3a1a20e26418e6e25f11cc9240d3bda5beb2572fd485129cbda7261f271de3f7bcfa0b0605a7bbaf83f9c06fc91e0a9b0692969995b
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec