Analysis
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max time kernel
149s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
19-04-2024 10:10
Static task
static1
Behavioral task
behavioral1
Sample
25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe
Resource
win10v2004-20240412-en
General
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Target
25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe
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Size
4.2MB
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MD5
20f7537fe85c46cc276b2cfa1985badd
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SHA1
c2576748fe1367574f2500213b1abbfbaf688f70
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SHA256
25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd
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SHA512
e20e00c14a6817767161dfc16c3f12318d4b195fc9ee0f3ec0a7b3036751f9b8282dc6e6e9cc2535cb7e29a7df13ee923eb81deaa445bdcc5834d73a2ab99233
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SSDEEP
98304:RkCzxGX67jziInOwT+p9cyq2eBMnsC4wev2TDFlm5IHuXj9:zAXIiaT+p9uBMsCfecmJJ
Malware Config
Signatures
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Glupteba payload 20 IoCs
Processes:
resource yara_rule behavioral1/memory/216-2-0x0000000005250000-0x0000000005B3B000-memory.dmp family_glupteba behavioral1/memory/216-3-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral1/memory/768-55-0x0000000005140000-0x0000000005A2B000-memory.dmp family_glupteba behavioral1/memory/768-57-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral1/memory/216-70-0x0000000005250000-0x0000000005B3B000-memory.dmp family_glupteba behavioral1/memory/216-85-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral1/memory/768-222-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral1/memory/3336-259-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral1/memory/3336-269-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral1/memory/3336-273-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral1/memory/3336-277-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral1/memory/3336-281-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral1/memory/3336-285-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral1/memory/3336-289-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral1/memory/3336-293-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral1/memory/3336-297-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral1/memory/3336-301-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral1/memory/3336-305-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral1/memory/3336-309-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral1/memory/3336-313-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 2092 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid process 3336 csrss.exe 4232 injector.exe 4672 windefender.exe 1532 windefender.exe -
Processes:
resource yara_rule C:\Windows\windefender.exe upx behavioral1/memory/4672-267-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1532-271-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1532-279-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1532-291-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.execsrss.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-259785868-298165991-4178590326-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe Set value (str) \REGISTRY\USER\S-1-5-21-259785868-298165991-4178590326-1000\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 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 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 -
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:
25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exedescription ioc process File opened (read-only) \??\VBoxMiniRdrDN 25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe -
Drops file in Windows directory 4 IoCs
Processes:
csrss.exe25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exedescription ioc process File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe File created C:\Windows\rss\csrss.exe 25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
Processes:
sc.exepid process 1384 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 1984 schtasks.exe 1624 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
powershell.exepowershell.exe25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exepowershell.exepowershell.exewindefender.exepowershell.exepowershell.exedescription ioc process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA 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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-622 = "Korea Standard Time" 25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time" 25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-452 = "Caucasus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-291 = "Central European Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1822 = "Russia TZ 1 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" 25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" 25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-281 = "Central Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-251 = "Dateline Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-491 = "India Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time" 25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" 25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time" 25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-301 = "Romance Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-792 = "SA Western Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time" 25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time" 25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1472 = "Magadan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time" 25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time" 25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-511 = "Central Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2792 = "Novosibirsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time" 25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" 25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-872 = "Pakistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time" 25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time" 25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-272 = "Greenwich Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2571 = "Turks and Caicos Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" 25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time" 25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2632 = "Norfolk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time" 25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time" 25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-12 = "Azores Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-52 = "Greenland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-361 = "GTB Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time" 25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1471 = "Magadan Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exepowershell.exe25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid process 384 powershell.exe 384 powershell.exe 216 25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe 216 25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe 4544 powershell.exe 4544 powershell.exe 4544 powershell.exe 768 25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe 768 25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe 768 25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe 768 25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe 768 25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe 768 25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe 768 25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe 768 25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe 768 25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe 768 25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe 1572 powershell.exe 1572 powershell.exe 4972 powershell.exe 4972 powershell.exe 4160 powershell.exe 4160 powershell.exe 3456 powershell.exe 3456 powershell.exe 2108 powershell.exe 2108 powershell.exe 4232 injector.exe 4232 injector.exe 4232 injector.exe 4232 injector.exe 4232 injector.exe 4232 injector.exe 3336 csrss.exe 3336 csrss.exe 4232 injector.exe 4232 injector.exe 4232 injector.exe 4232 injector.exe 4232 injector.exe 4232 injector.exe 3336 csrss.exe 3336 csrss.exe 4232 injector.exe 4232 injector.exe 4232 injector.exe 4232 injector.exe 3336 csrss.exe 3336 csrss.exe 4232 injector.exe 4232 injector.exe 4232 injector.exe 4232 injector.exe 4232 injector.exe 4232 injector.exe 4232 injector.exe 4232 injector.exe 4232 injector.exe 4232 injector.exe 4232 injector.exe 4232 injector.exe 4232 injector.exe 4232 injector.exe 4232 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid process Token: SeDebugPrivilege 384 powershell.exe Token: SeDebugPrivilege 216 25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe Token: SeImpersonatePrivilege 216 25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe Token: SeDebugPrivilege 4544 powershell.exe Token: SeDebugPrivilege 1572 powershell.exe Token: SeDebugPrivilege 4972 powershell.exe Token: SeDebugPrivilege 4160 powershell.exe Token: SeDebugPrivilege 3456 powershell.exe Token: SeDebugPrivilege 2108 powershell.exe Token: SeSystemEnvironmentPrivilege 3336 csrss.exe Token: SeSecurityPrivilege 1384 sc.exe Token: SeSecurityPrivilege 1384 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.execmd.execsrss.exewindefender.execmd.exedescription pid process target process PID 216 wrote to memory of 384 216 25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe Conhost.exe PID 216 wrote to memory of 384 216 25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe Conhost.exe PID 216 wrote to memory of 384 216 25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe Conhost.exe PID 768 wrote to memory of 4544 768 25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe powershell.exe PID 768 wrote to memory of 4544 768 25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe powershell.exe PID 768 wrote to memory of 4544 768 25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe powershell.exe PID 768 wrote to memory of 1968 768 25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe cmd.exe PID 768 wrote to memory of 1968 768 25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe cmd.exe PID 1968 wrote to memory of 2092 1968 cmd.exe netsh.exe PID 1968 wrote to memory of 2092 1968 cmd.exe netsh.exe PID 768 wrote to memory of 1572 768 25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe powershell.exe PID 768 wrote to memory of 1572 768 25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe powershell.exe PID 768 wrote to memory of 1572 768 25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe powershell.exe PID 768 wrote to memory of 4972 768 25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe powershell.exe PID 768 wrote to memory of 4972 768 25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe powershell.exe PID 768 wrote to memory of 4972 768 25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe powershell.exe PID 768 wrote to memory of 3336 768 25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe csrss.exe PID 768 wrote to memory of 3336 768 25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe csrss.exe PID 768 wrote to memory of 3336 768 25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe csrss.exe PID 3336 wrote to memory of 4160 3336 csrss.exe powershell.exe PID 3336 wrote to memory of 4160 3336 csrss.exe powershell.exe PID 3336 wrote to memory of 4160 3336 csrss.exe powershell.exe PID 3336 wrote to memory of 3456 3336 csrss.exe powershell.exe PID 3336 wrote to memory of 3456 3336 csrss.exe powershell.exe PID 3336 wrote to memory of 3456 3336 csrss.exe powershell.exe PID 3336 wrote to memory of 2108 3336 csrss.exe powershell.exe PID 3336 wrote to memory of 2108 3336 csrss.exe powershell.exe PID 3336 wrote to memory of 2108 3336 csrss.exe powershell.exe PID 3336 wrote to memory of 4232 3336 csrss.exe injector.exe PID 3336 wrote to memory of 4232 3336 csrss.exe injector.exe PID 4672 wrote to memory of 3700 4672 windefender.exe cmd.exe PID 4672 wrote to memory of 3700 4672 windefender.exe cmd.exe PID 4672 wrote to memory of 3700 4672 windefender.exe cmd.exe PID 3700 wrote to memory of 1384 3700 cmd.exe sc.exe PID 3700 wrote to memory of 1384 3700 cmd.exe sc.exe PID 3700 wrote to memory of 1384 3700 cmd.exe sc.exe -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe"C:\Users\Admin\AppData\Local\Temp\25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:216 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:384
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C:\Users\Admin\AppData\Local\Temp\25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.exe"C:\Users\Admin\AppData\Local\Temp\25802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd.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:768 -
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:4544
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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:1968 -
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:2092
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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:1572
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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:4972
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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:3336 -
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:4160 -
C:\Windows\System32\Conhost.exe\??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV15⤵PID:384
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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:1984
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3048
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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:3456
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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:2108
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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:4232
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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:1624
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4672 -
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:3700 -
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:1384
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1532
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
MD5ee0e5224d0e2784b5dee3b16bd8c6318
SHA15aedf23e38e44ee15a1c5a2bf87cd6fee701c76e
SHA256591f0b0d892aa745cf48693b3aa0cc2ef830b46b610676c5c40385862c11e139
SHA512908935e7fc6206c848bb57c2bf2cb148cfc33790b0934f09e0a8d93358893c4e469e209abc431537ba43dc8448511dcd2d4df6b1438276918c0009107b44e3f0
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD538b274fb46eb707a122a7c3455bf7d47
SHA15bf9e64404aeac3c985d3ccce5ee92e4a03e916d
SHA256e1f0f1d756821de32a069f83b72f01297827cbb3bdc468890d5eb73b33719e3c
SHA512bd89f9a104e280b72ab7cc9451e656fc47ce8d7fe30dd7b0e326891d980ece1be7427756072a7f429cac2377ff0016fdd2501fea1bfa16755c868d0ef900dec2
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a3cfe42885178d5fa2e85f28f4c44e09
SHA13f0b15de796ceae3616ea2ac158ddd229e312071
SHA2561b0dcf2d2c3bd5b99e47085eb9ce54f99c6fa81e51fbbdbe06568c2877fd2d61
SHA5129ec0f94362def5a9ba8886e38d469b14fb1014d493ef89ea52670654ea5c05ee9bbf709eead888b9645748f72fbaaa94f077ba1452e2db734a25ab38f4fc5a6d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5795a7bd0e68aaa515fc1928274c5d9dc
SHA1979edbe2180531c1469de9c5ebe82412d2b31602
SHA256d6ac91e6d61bcdfb6d86260a86585f9655c2dfb2acf2c53f269d2ad92693169e
SHA512800109fd3f92f5071c1bcfb29b8874b43063360db852a0e50369e6c9e902739374b7a0fe0bbeb82b8a869719fa1df09400bc79be5fc3e50ef1e76c39bc47d9a3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b62c850e21db7d00ef8daec9571eea2b
SHA161e51e118ec554657d4dd411299e7200e16941db
SHA2560044ede892abb116b22a7362648f4fa5916f96a74e0119a77a04e2bf7f00abbf
SHA5128adcbda5f7e4eebbedf9cbb598c1eb71ba5cd6b71240cdb5b55b5f0a1c90ac1a5d6eaae8a96fceef3e9f89f07bb2290027f66db7be434f6268f000088f7fce6c
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Filesize
4.2MB
MD520f7537fe85c46cc276b2cfa1985badd
SHA1c2576748fe1367574f2500213b1abbfbaf688f70
SHA25625802dfddf41019e894792606d5e5cafaca3e1e24a56524b7237c37296bf5fcd
SHA512e20e00c14a6817767161dfc16c3f12318d4b195fc9ee0f3ec0a7b3036751f9b8282dc6e6e9cc2535cb7e29a7df13ee923eb81deaa445bdcc5834d73a2ab99233
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec