Analysis
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max time kernel
150s -
max time network
157s -
platform
windows11-21h2_x64 -
resource
win11-20240319-en -
resource tags
arch:x64arch:x86image:win11-20240319-enlocale:en-usos:windows11-21h2-x64system -
submitted
28/03/2024, 00:57
Static task
static1
Behavioral task
behavioral1
Sample
eca0dd5d6a2545ac3cf0cbf1de657e2aa04b9da318454503f982e31f741eccc1.exe
Resource
win10v2004-20240226-en
General
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Target
eca0dd5d6a2545ac3cf0cbf1de657e2aa04b9da318454503f982e31f741eccc1.exe
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Size
4.1MB
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MD5
b2222aa6480e83ac665b5b1c84da300b
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SHA1
b18b696864d2f6d0bb0cb78afe76cd2ac9158efd
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SHA256
eca0dd5d6a2545ac3cf0cbf1de657e2aa04b9da318454503f982e31f741eccc1
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SHA512
35036e54cfd16a05c5069db6fc0577e1f3099b58f3cfe7083e1450d53ee7f0f46d6dcf81d1d362d957c9d271d25825a51d4d160bebbe3733599fa0aedeaab2fa
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SSDEEP
98304:rC0zAOJD1MZWzNiIdppgEju1xBcYO+ddIF+X0e7:FzAGD+yPPgEagYrX0e7
Malware Config
Signatures
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Glupteba payload 22 IoCs
resource yara_rule behavioral2/memory/2420-2-0x0000000003090000-0x000000000397B000-memory.dmp family_glupteba behavioral2/memory/2420-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2420-47-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2420-52-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2420-54-0x0000000003090000-0x000000000397B000-memory.dmp family_glupteba behavioral2/memory/5968-56-0x0000000002FF0000-0x00000000038DB000-memory.dmp family_glupteba behavioral2/memory/5968-57-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5968-92-0x0000000002BE0000-0x0000000002FE7000-memory.dmp family_glupteba behavioral2/memory/5968-103-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5968-105-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5968-148-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5532-215-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5532-248-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5532-256-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5532-258-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5532-260-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5532-262-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5532-264-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5532-266-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5532-268-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5532-270-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5532-272-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2824 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 5532 csrss.exe 3432 injector.exe 1128 windefender.exe 4560 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a7fd-251.dat upx behavioral2/memory/1128-255-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4560-257-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4560-261-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1233663403-1277323514-675434005-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" eca0dd5d6a2545ac3cf0cbf1de657e2aa04b9da318454503f982e31f741eccc1.exe Set value (str) \REGISTRY\USER\S-1-5-21-1233663403-1277323514-675434005-1000\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.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description 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.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN eca0dd5d6a2545ac3cf0cbf1de657e2aa04b9da318454503f982e31f741eccc1.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss eca0dd5d6a2545ac3cf0cbf1de657e2aa04b9da318454503f982e31f741eccc1.exe File created C:\Windows\rss\csrss.exe eca0dd5d6a2545ac3cf0cbf1de657e2aa04b9da318454503f982e31f741eccc1.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.
pid Process 4784 sc.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 4044 schtasks.exe 1400 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-291 = "Central European Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-932 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time" eca0dd5d6a2545ac3cf0cbf1de657e2aa04b9da318454503f982e31f741eccc1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.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\22\52C64B7E\@tzres.dll,-2162 = "Altai Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-391 = "Arab Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-191 = "Mountain Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-962 = "Paraguay Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1892 = "Russia TZ 3 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time" eca0dd5d6a2545ac3cf0cbf1de657e2aa04b9da318454503f982e31f741eccc1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" eca0dd5d6a2545ac3cf0cbf1de657e2aa04b9da318454503f982e31f741eccc1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time" eca0dd5d6a2545ac3cf0cbf1de657e2aa04b9da318454503f982e31f741eccc1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-51 = "Greenland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-334 = "Jordan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time" eca0dd5d6a2545ac3cf0cbf1de657e2aa04b9da318454503f982e31f741eccc1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" eca0dd5d6a2545ac3cf0cbf1de657e2aa04b9da318454503f982e31f741eccc1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2531 = "Chatham Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time" eca0dd5d6a2545ac3cf0cbf1de657e2aa04b9da318454503f982e31f741eccc1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" eca0dd5d6a2545ac3cf0cbf1de657e2aa04b9da318454503f982e31f741eccc1.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\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" eca0dd5d6a2545ac3cf0cbf1de657e2aa04b9da318454503f982e31f741eccc1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2632 = "Norfolk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-384 = "Namibia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1502 = "Turkey Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time" eca0dd5d6a2545ac3cf0cbf1de657e2aa04b9da318454503f982e31f741eccc1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time" eca0dd5d6a2545ac3cf0cbf1de657e2aa04b9da318454503f982e31f741eccc1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-912 = "Mauritius Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-541 = "Myanmar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time" eca0dd5d6a2545ac3cf0cbf1de657e2aa04b9da318454503f982e31f741eccc1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople 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\22\52C64B7E\@tzres.dll,-192 = "Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1912 = "Russia TZ 10 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-3142 = "South Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" eca0dd5d6a2545ac3cf0cbf1de657e2aa04b9da318454503f982e31f741eccc1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" eca0dd5d6a2545ac3cf0cbf1de657e2aa04b9da318454503f982e31f741eccc1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-622 = "Korea Standard Time" eca0dd5d6a2545ac3cf0cbf1de657e2aa04b9da318454503f982e31f741eccc1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-412 = "E. Africa Standard Time" eca0dd5d6a2545ac3cf0cbf1de657e2aa04b9da318454503f982e31f741eccc1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time" eca0dd5d6a2545ac3cf0cbf1de657e2aa04b9da318454503f982e31f741eccc1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-621 = "Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-771 = "Montevideo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" eca0dd5d6a2545ac3cf0cbf1de657e2aa04b9da318454503f982e31f741eccc1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-571 = "China Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1471 = "Magadan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time" eca0dd5d6a2545ac3cf0cbf1de657e2aa04b9da318454503f982e31f741eccc1.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4440 powershell.exe 4440 powershell.exe 2420 eca0dd5d6a2545ac3cf0cbf1de657e2aa04b9da318454503f982e31f741eccc1.exe 2420 eca0dd5d6a2545ac3cf0cbf1de657e2aa04b9da318454503f982e31f741eccc1.exe 4764 powershell.exe 4764 powershell.exe 5968 eca0dd5d6a2545ac3cf0cbf1de657e2aa04b9da318454503f982e31f741eccc1.exe 5968 eca0dd5d6a2545ac3cf0cbf1de657e2aa04b9da318454503f982e31f741eccc1.exe 5968 eca0dd5d6a2545ac3cf0cbf1de657e2aa04b9da318454503f982e31f741eccc1.exe 5968 eca0dd5d6a2545ac3cf0cbf1de657e2aa04b9da318454503f982e31f741eccc1.exe 5968 eca0dd5d6a2545ac3cf0cbf1de657e2aa04b9da318454503f982e31f741eccc1.exe 5968 eca0dd5d6a2545ac3cf0cbf1de657e2aa04b9da318454503f982e31f741eccc1.exe 5968 eca0dd5d6a2545ac3cf0cbf1de657e2aa04b9da318454503f982e31f741eccc1.exe 5968 eca0dd5d6a2545ac3cf0cbf1de657e2aa04b9da318454503f982e31f741eccc1.exe 5968 eca0dd5d6a2545ac3cf0cbf1de657e2aa04b9da318454503f982e31f741eccc1.exe 5968 eca0dd5d6a2545ac3cf0cbf1de657e2aa04b9da318454503f982e31f741eccc1.exe 4000 powershell.exe 4000 powershell.exe 5872 powershell.exe 5872 powershell.exe 3892 powershell.exe 3892 powershell.exe 2168 powershell.exe 2168 powershell.exe 2552 powershell.exe 2552 powershell.exe 3432 injector.exe 3432 injector.exe 3432 injector.exe 3432 injector.exe 3432 injector.exe 3432 injector.exe 3432 injector.exe 3432 injector.exe 5532 csrss.exe 5532 csrss.exe 3432 injector.exe 3432 injector.exe 3432 injector.exe 3432 injector.exe 5532 csrss.exe 5532 csrss.exe 3432 injector.exe 3432 injector.exe 3432 injector.exe 3432 injector.exe 5532 csrss.exe 5532 csrss.exe 3432 injector.exe 3432 injector.exe 3432 injector.exe 3432 injector.exe 3432 injector.exe 3432 injector.exe 3432 injector.exe 3432 injector.exe 3432 injector.exe 3432 injector.exe 3432 injector.exe 3432 injector.exe 3432 injector.exe 3432 injector.exe 3432 injector.exe 3432 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4440 powershell.exe Token: SeDebugPrivilege 2420 eca0dd5d6a2545ac3cf0cbf1de657e2aa04b9da318454503f982e31f741eccc1.exe Token: SeImpersonatePrivilege 2420 eca0dd5d6a2545ac3cf0cbf1de657e2aa04b9da318454503f982e31f741eccc1.exe Token: SeDebugPrivilege 4764 powershell.exe Token: SeDebugPrivilege 4000 powershell.exe Token: SeDebugPrivilege 5872 powershell.exe Token: SeDebugPrivilege 3892 powershell.exe Token: SeDebugPrivilege 2168 powershell.exe Token: SeDebugPrivilege 2552 powershell.exe Token: SeSystemEnvironmentPrivilege 5532 csrss.exe Token: SeSecurityPrivilege 4784 sc.exe Token: SeSecurityPrivilege 4784 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2420 wrote to memory of 4440 2420 eca0dd5d6a2545ac3cf0cbf1de657e2aa04b9da318454503f982e31f741eccc1.exe 83 PID 2420 wrote to memory of 4440 2420 eca0dd5d6a2545ac3cf0cbf1de657e2aa04b9da318454503f982e31f741eccc1.exe 83 PID 2420 wrote to memory of 4440 2420 eca0dd5d6a2545ac3cf0cbf1de657e2aa04b9da318454503f982e31f741eccc1.exe 83 PID 5968 wrote to memory of 4764 5968 eca0dd5d6a2545ac3cf0cbf1de657e2aa04b9da318454503f982e31f741eccc1.exe 88 PID 5968 wrote to memory of 4764 5968 eca0dd5d6a2545ac3cf0cbf1de657e2aa04b9da318454503f982e31f741eccc1.exe 88 PID 5968 wrote to memory of 4764 5968 eca0dd5d6a2545ac3cf0cbf1de657e2aa04b9da318454503f982e31f741eccc1.exe 88 PID 5968 wrote to memory of 2780 5968 eca0dd5d6a2545ac3cf0cbf1de657e2aa04b9da318454503f982e31f741eccc1.exe 90 PID 5968 wrote to memory of 2780 5968 eca0dd5d6a2545ac3cf0cbf1de657e2aa04b9da318454503f982e31f741eccc1.exe 90 PID 2780 wrote to memory of 2824 2780 cmd.exe 92 PID 2780 wrote to memory of 2824 2780 cmd.exe 92 PID 5968 wrote to memory of 4000 5968 eca0dd5d6a2545ac3cf0cbf1de657e2aa04b9da318454503f982e31f741eccc1.exe 93 PID 5968 wrote to memory of 4000 5968 eca0dd5d6a2545ac3cf0cbf1de657e2aa04b9da318454503f982e31f741eccc1.exe 93 PID 5968 wrote to memory of 4000 5968 eca0dd5d6a2545ac3cf0cbf1de657e2aa04b9da318454503f982e31f741eccc1.exe 93 PID 5968 wrote to memory of 5872 5968 eca0dd5d6a2545ac3cf0cbf1de657e2aa04b9da318454503f982e31f741eccc1.exe 95 PID 5968 wrote to memory of 5872 5968 eca0dd5d6a2545ac3cf0cbf1de657e2aa04b9da318454503f982e31f741eccc1.exe 95 PID 5968 wrote to memory of 5872 5968 eca0dd5d6a2545ac3cf0cbf1de657e2aa04b9da318454503f982e31f741eccc1.exe 95 PID 5968 wrote to memory of 5532 5968 eca0dd5d6a2545ac3cf0cbf1de657e2aa04b9da318454503f982e31f741eccc1.exe 97 PID 5968 wrote to memory of 5532 5968 eca0dd5d6a2545ac3cf0cbf1de657e2aa04b9da318454503f982e31f741eccc1.exe 97 PID 5968 wrote to memory of 5532 5968 eca0dd5d6a2545ac3cf0cbf1de657e2aa04b9da318454503f982e31f741eccc1.exe 97 PID 5532 wrote to memory of 3892 5532 csrss.exe 98 PID 5532 wrote to memory of 3892 5532 csrss.exe 98 PID 5532 wrote to memory of 3892 5532 csrss.exe 98 PID 5532 wrote to memory of 2168 5532 csrss.exe 103 PID 5532 wrote to memory of 2168 5532 csrss.exe 103 PID 5532 wrote to memory of 2168 5532 csrss.exe 103 PID 5532 wrote to memory of 2552 5532 csrss.exe 106 PID 5532 wrote to memory of 2552 5532 csrss.exe 106 PID 5532 wrote to memory of 2552 5532 csrss.exe 106 PID 5532 wrote to memory of 3432 5532 csrss.exe 108 PID 5532 wrote to memory of 3432 5532 csrss.exe 108 PID 1128 wrote to memory of 2796 1128 windefender.exe 114 PID 1128 wrote to memory of 2796 1128 windefender.exe 114 PID 1128 wrote to memory of 2796 1128 windefender.exe 114 PID 2796 wrote to memory of 4784 2796 cmd.exe 115 PID 2796 wrote to memory of 4784 2796 cmd.exe 115 PID 2796 wrote to memory of 4784 2796 cmd.exe 115 -
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\eca0dd5d6a2545ac3cf0cbf1de657e2aa04b9da318454503f982e31f741eccc1.exe"C:\Users\Admin\AppData\Local\Temp\eca0dd5d6a2545ac3cf0cbf1de657e2aa04b9da318454503f982e31f741eccc1.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2420 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4440
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C:\Users\Admin\AppData\Local\Temp\eca0dd5d6a2545ac3cf0cbf1de657e2aa04b9da318454503f982e31f741eccc1.exe"C:\Users\Admin\AppData\Local\Temp\eca0dd5d6a2545ac3cf0cbf1de657e2aa04b9da318454503f982e31f741eccc1.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:5968 -
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:4764
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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:2780 -
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:2824
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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:4000
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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:5872
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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:5532 -
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:3892
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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:4044
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:5068
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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:2168
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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:2552
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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:3432
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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:1400
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1128 -
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:2796 -
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:4784
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4560
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
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5798ea8f4258decd207293cb1e0037e5a
SHA13ad5195304d3c8daaa9bb6938a8a5add9cdd35a7
SHA256d1ef488f8347609299763ff15f36b68aea3ad9cf1ffddb4c3b459832907d5704
SHA512c09558c925304a78f587d0a64e178369967662a561a3bfd93933a071cd44c7eac7f8f0ebbdaa03a7f8af6861da2de37ca2c44f00b588da2b3ab6e7fbb8a72ec2
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e6ca647c54b057ba15abbfcd51205148
SHA1f908285067952e1da297716c12286bea0274faaf
SHA2566adf0478c116d58e0705de1a72035378df2196868c24525e094b090b63c4e75c
SHA512d71e6a5ad6ff7c7f73b3b28617d89aca243bb4db889a7d8ba49174c50c1fc47c4015b11423961dad0ae3fc54f58e64a3b15b1d141e4fafde503376facb823cf9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51400b5926fa3e4650621cb857b66624f
SHA146edb8170f7c42a44be1b48db295cdbef5f5107c
SHA2567b43ad82caed9efe7782148180a547cbca6649f755cf0a405c5466f0f91c9f17
SHA512e4e4e253a5cc737da08cb76d4fe7e2553c328448883ab23520e2d649d54e4e440e9138dca8ffbab3319ee093dd37b548c4495827a6386c40d3556ec15fcc464a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a2dc453af5ab3b247bef6c9cee80e813
SHA1d79ab97b1784042982680908303b9e6158a8a731
SHA25684ab265a1174b0903cef7599829f96c2e4f75e755a4c883193ca1ad09a74f9b3
SHA51204fe57e42880d697866929ee80f41dd7ea6b7a91b3ecf5f3461441c395f89e7d895c12710e48ea270142b91c69cd87954e454980ca424ee139c5efc96fe0b710
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD535360a839d6b03920b49979b59f65c6b
SHA1b8cfc620a44e868d6bde61a0253205de004c29b0
SHA256f5a7bc849f49d25fd204791cc26f01b10ec0aee2b167fbc4bfcdc97ac7f7117b
SHA5127c08d8042e7c5bd3faa770430f5bf915b9a30c242944bc123140e97aef31c92756d238319faf777c607eb7a3faefee28d1c4afeba5c581d2dfc488b964ae50f8
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Filesize
4.1MB
MD5b2222aa6480e83ac665b5b1c84da300b
SHA1b18b696864d2f6d0bb0cb78afe76cd2ac9158efd
SHA256eca0dd5d6a2545ac3cf0cbf1de657e2aa04b9da318454503f982e31f741eccc1
SHA51235036e54cfd16a05c5069db6fc0577e1f3099b58f3cfe7083e1450d53ee7f0f46d6dcf81d1d362d957c9d271d25825a51d4d160bebbe3733599fa0aedeaab2fa
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec