Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
09/05/2024, 19:34
Static task
static1
Behavioral task
behavioral1
Sample
691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.exe
Resource
win10v2004-20240508-en
General
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Target
691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.exe
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Size
4.1MB
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MD5
0ed8d071deae90ff638cb070d0b9559d
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SHA1
9b39b4703ccd78d9ca56bbf2f4c168d71a7bcfda
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SHA256
691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99
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SHA512
960a5a4e2b4f82bb7273cbab8bf622933c6e603cdc44b59b409c285b62c3a2c741bca7692ed77864520aa95c85a2f3fc31ddc9383caada588828d953346c2729
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SSDEEP
98304:lwBco1salv4p8AdbboIKOJLJ1nO5Zld79mTp+:lwqoWyv4yANjKQa7oU
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/4344-2-0x0000000005050000-0x000000000593B000-memory.dmp family_glupteba behavioral1/memory/4344-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4344-28-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral1/memory/4344-57-0x0000000005050000-0x000000000593B000-memory.dmp family_glupteba behavioral1/memory/4344-58-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral1/memory/4344-59-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1720-83-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral1/memory/1720-137-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral1/memory/2664-161-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral1/memory/2664-218-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral1/memory/2664-227-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral1/memory/2664-229-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral1/memory/2664-233-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral1/memory/2664-236-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral1/memory/2664-239-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral1/memory/2664-241-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral1/memory/2664-245-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral1/memory/2664-248-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral1/memory/2664-251-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3772 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2664 csrss.exe 816 injector.exe 2116 windefender.exe 4268 windefender.exe -
resource yara_rule behavioral1/files/0x00080000000233f1-222.dat upx behavioral1/memory/2116-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2116-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4268-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4268-235-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4268-244-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.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.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created 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.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe 691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 1880 sc.exe -
pid Process 2912 powershell.exe 1320 powershell.exe 2628 powershell.exe 3132 powershell.exe 4088 powershell.exe 5096 powershell.exe 2140 powershell.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4536 schtasks.exe 2280 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2491 = "Aus Central W. Daylight Time" 691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-742 = "New Zealand Standard Time" windefender.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,-1471 = "Magadan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time" 691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time" 691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time" 691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\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\2a\52C64B7E\@tzres.dll,-382 = "South Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" 691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time" 691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1042 = "Ulaanbaatar Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-461 = "Afghanistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1912 = "Russia TZ 10 Standard Time" 691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" 691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.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\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.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\@tzres.dll,-962 = "Paraguay Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-721 = "Central Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-41 = "E. South America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time" 691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time" 691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time" 691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" 691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-142 = "Canada Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-111 = "Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2631 = "Norfolk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-221 = "Alaskan Daylight Time" 691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time" 691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" 691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-651 = "AUS Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-681 = "E. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-302 = "Romance Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time" 691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time" 691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time" 691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs 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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time" 691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time" 691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.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,-221 = "Alaskan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" 691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-392 = "Arab Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time" 691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" 691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time" 691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2912 powershell.exe 2912 powershell.exe 4344 691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.exe 4344 691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.exe 1320 powershell.exe 1320 powershell.exe 1720 691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.exe 1720 691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.exe 1720 691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.exe 1720 691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.exe 1720 691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.exe 1720 691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.exe 1720 691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.exe 1720 691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.exe 1720 691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.exe 1720 691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.exe 2628 powershell.exe 2628 powershell.exe 3132 powershell.exe 3132 powershell.exe 4088 powershell.exe 4088 powershell.exe 5096 powershell.exe 5096 powershell.exe 2140 powershell.exe 2140 powershell.exe 816 injector.exe 816 injector.exe 816 injector.exe 816 injector.exe 816 injector.exe 816 injector.exe 2664 csrss.exe 2664 csrss.exe 816 injector.exe 816 injector.exe 816 injector.exe 816 injector.exe 816 injector.exe 816 injector.exe 2664 csrss.exe 2664 csrss.exe 816 injector.exe 816 injector.exe 2664 csrss.exe 2664 csrss.exe 816 injector.exe 816 injector.exe 816 injector.exe 816 injector.exe 816 injector.exe 816 injector.exe 816 injector.exe 816 injector.exe 816 injector.exe 816 injector.exe 816 injector.exe 816 injector.exe 816 injector.exe 816 injector.exe 816 injector.exe 816 injector.exe 816 injector.exe 816 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2912 powershell.exe Token: SeDebugPrivilege 4344 691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.exe Token: SeImpersonatePrivilege 4344 691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.exe Token: SeDebugPrivilege 1320 powershell.exe Token: SeDebugPrivilege 2628 powershell.exe Token: SeDebugPrivilege 3132 powershell.exe Token: SeDebugPrivilege 4088 powershell.exe Token: SeDebugPrivilege 5096 powershell.exe Token: SeDebugPrivilege 2140 powershell.exe Token: SeSystemEnvironmentPrivilege 2664 csrss.exe Token: SeSecurityPrivilege 1880 sc.exe Token: SeSecurityPrivilege 1880 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4344 wrote to memory of 2912 4344 691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.exe 88 PID 4344 wrote to memory of 2912 4344 691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.exe 88 PID 4344 wrote to memory of 2912 4344 691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.exe 88 PID 1720 wrote to memory of 1320 1720 691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.exe 93 PID 1720 wrote to memory of 1320 1720 691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.exe 93 PID 1720 wrote to memory of 1320 1720 691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.exe 93 PID 1720 wrote to memory of 4456 1720 691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.exe 96 PID 1720 wrote to memory of 4456 1720 691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.exe 96 PID 4456 wrote to memory of 3772 4456 cmd.exe 99 PID 4456 wrote to memory of 3772 4456 cmd.exe 99 PID 1720 wrote to memory of 2628 1720 691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.exe 100 PID 1720 wrote to memory of 2628 1720 691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.exe 100 PID 1720 wrote to memory of 2628 1720 691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.exe 100 PID 1720 wrote to memory of 3132 1720 691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.exe 102 PID 1720 wrote to memory of 3132 1720 691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.exe 102 PID 1720 wrote to memory of 3132 1720 691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.exe 102 PID 1720 wrote to memory of 2664 1720 691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.exe 104 PID 1720 wrote to memory of 2664 1720 691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.exe 104 PID 1720 wrote to memory of 2664 1720 691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.exe 104 PID 2664 wrote to memory of 4088 2664 csrss.exe 105 PID 2664 wrote to memory of 4088 2664 csrss.exe 105 PID 2664 wrote to memory of 4088 2664 csrss.exe 105 PID 2664 wrote to memory of 5096 2664 csrss.exe 111 PID 2664 wrote to memory of 5096 2664 csrss.exe 111 PID 2664 wrote to memory of 5096 2664 csrss.exe 111 PID 2664 wrote to memory of 2140 2664 csrss.exe 113 PID 2664 wrote to memory of 2140 2664 csrss.exe 113 PID 2664 wrote to memory of 2140 2664 csrss.exe 113 PID 2664 wrote to memory of 816 2664 csrss.exe 115 PID 2664 wrote to memory of 816 2664 csrss.exe 115 PID 2116 wrote to memory of 2228 2116 windefender.exe 121 PID 2116 wrote to memory of 2228 2116 windefender.exe 121 PID 2116 wrote to memory of 2228 2116 windefender.exe 121 PID 2228 wrote to memory of 1880 2228 cmd.exe 122 PID 2228 wrote to memory of 1880 2228 cmd.exe 122 PID 2228 wrote to memory of 1880 2228 cmd.exe 122 -
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\691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.exe"C:\Users\Admin\AppData\Local\Temp\691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4344 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2912
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C:\Users\Admin\AppData\Local\Temp\691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.exe"C:\Users\Admin\AppData\Local\Temp\691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99.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:1720 -
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:1320
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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:4456 -
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:3772
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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:2628
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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:3132
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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:2664 -
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:4088
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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:4536
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1944
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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:5096
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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:2140
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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:816
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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:2280
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2116 -
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:2228 -
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:1880
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4268
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
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53687ddc0bef36351a9ce3bb58a06d2d8
SHA1ac66fd61b697046ec2f5e8c19b334639b3d243fc
SHA256fe154667bfdba2c11fefe75f5a97df2cf1d86444c726058b3ce9090f5b109f8b
SHA51297238997a727d91509e61c2ef103fe2e887c490dd593765ff9e2997d7343a592710b80c7e306b2a32e768c4cc2437bbde6eb5e1c051ce50b4e85677f7558bc46
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c457bb89314632b3373ddf5109ffa6b8
SHA1a75cbdbf014e4dd65fae2eae0541d79bac1c32d3
SHA25630eb0f15d09247ae398b155683b28f814ccb3b00425361c398024844de42b4d2
SHA5124bdd4a555b298a46186f6bfd796c1a492d7eb1461e323d6892aabf74ee3fa4ae2cc98b806edc8bb362f4cd2de6c078f8a17b891ff08e0ee9f9a3abd67ef28d5e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d5189b5151be2030781549c08a26bc09
SHA1b3e752d156b8a9fd83f285c2968bcee7cb8037de
SHA25621c0a080df824b825a083fb4c4b5ae24d25219eb126f64bf88558db556179e92
SHA512fee128e13f53a8cb3d24469f62b9939b2dc6716ca6cee4165ec2501d103988f6bfba5579f7a89386276d58a17ff52d7ca4d569813e4958a56d99ed49f1d0d705
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD503a0f4c8eeb930f54603b3c975ffc612
SHA1fd46cb83b9a55ee91cbbbcb9f31d588b614c2511
SHA256271087ea93abd0d5ceb7c5bc7b8f8f0defa1dec765333b79c19b096619de0882
SHA51221b357f1895736f8186483862a2d262b9163574cae0a7df888036b9794eb5ad7a6603d457d60d243be4c3d46c72da4c5dd039ec789a24eb774933e2417701f43
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5cd2d186edf64b18711d7d593fe32f3a3
SHA16d58b24af795391879cf26ab517a7c8dd4755c99
SHA2566505d966a1976819377fb1d6500f9a678608943fe10da9987fbd4caf8ad50a3f
SHA512dbf228fcb66371e1a2a9d82fc435d82ee3708242038aab2bc81fabe4b67e0c2d8f1a842c2a2b8018d604d54845a31701dc65fe942ebcb42d9d5af1596d29fc6f
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Filesize
4.1MB
MD50ed8d071deae90ff638cb070d0b9559d
SHA19b39b4703ccd78d9ca56bbf2f4c168d71a7bcfda
SHA256691bddda01382e95f74905b1fc77da9acbb73383734ca3116075be2c7d62cf99
SHA512960a5a4e2b4f82bb7273cbab8bf622933c6e603cdc44b59b409c285b62c3a2c741bca7692ed77864520aa95c85a2f3fc31ddc9383caada588828d953346c2729
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec