Analysis
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max time kernel
150s -
max time network
146s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
02-05-2024 10:45
Static task
static1
Behavioral task
behavioral1
Sample
3e4e5fb000d99ce3514dc5d467637c9b8bc5b34f8b2795129f20596d243b4828.exe
Resource
win10v2004-20240426-en
General
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Target
3e4e5fb000d99ce3514dc5d467637c9b8bc5b34f8b2795129f20596d243b4828.exe
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Size
4.2MB
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MD5
67a16135586c80390e387e760971d81f
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SHA1
fb35b276ebb3033d6acedf8fbd5b01c0c973fbdd
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SHA256
3e4e5fb000d99ce3514dc5d467637c9b8bc5b34f8b2795129f20596d243b4828
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SHA512
fdac4e8706ce16ac8329721674d83ad844d8752ab735be880f4bd8b632a809dd624c2d6cc1fa6c1e46d201c7b6844f334cf054d89307a4d111f0df4099ebab2e
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SSDEEP
98304:RmcdVizNdJYxsSxyizv9uZxQSfn8uvMtdEwSWhQvhlrA:QcbizJ9SDBuZxQNtdIWhSM
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/3980-2-0x0000000003F50000-0x000000000483B000-memory.dmp family_glupteba behavioral2/memory/3980-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3980-119-0x0000000003F50000-0x000000000483B000-memory.dmp family_glupteba behavioral2/memory/3980-107-0x0000000000400000-0x0000000001DF2000-memory.dmp family_glupteba behavioral2/memory/5004-124-0x0000000000400000-0x0000000001DF2000-memory.dmp family_glupteba behavioral2/memory/3980-193-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1360-200-0x0000000000400000-0x0000000001DF2000-memory.dmp family_glupteba behavioral2/memory/1360-211-0x0000000000400000-0x0000000001DF2000-memory.dmp family_glupteba behavioral2/memory/1360-214-0x0000000000400000-0x0000000001DF2000-memory.dmp family_glupteba behavioral2/memory/1360-217-0x0000000000400000-0x0000000001DF2000-memory.dmp family_glupteba behavioral2/memory/1360-220-0x0000000000400000-0x0000000001DF2000-memory.dmp family_glupteba behavioral2/memory/1360-223-0x0000000000400000-0x0000000001DF2000-memory.dmp family_glupteba behavioral2/memory/1360-226-0x0000000000400000-0x0000000001DF2000-memory.dmp family_glupteba behavioral2/memory/1360-229-0x0000000000400000-0x0000000001DF2000-memory.dmp family_glupteba behavioral2/memory/1360-232-0x0000000000400000-0x0000000001DF2000-memory.dmp family_glupteba behavioral2/memory/1360-235-0x0000000000400000-0x0000000001DF2000-memory.dmp family_glupteba behavioral2/memory/1360-238-0x0000000000400000-0x0000000001DF2000-memory.dmp family_glupteba behavioral2/memory/1360-241-0x0000000000400000-0x0000000001DF2000-memory.dmp family_glupteba behavioral2/memory/1360-244-0x0000000000400000-0x0000000001DF2000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3340 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1360 csrss.exe 2472 injector.exe 4824 windefender.exe 3264 windefender.exe -
resource yara_rule behavioral2/memory/4824-205-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/files/0x000200000002aa3e-204.dat upx behavioral2/memory/4824-209-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3264-208-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3264-212-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3264-218-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3938118698-2964058152-2337880935-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 3e4e5fb000d99ce3514dc5d467637c9b8bc5b34f8b2795129f20596d243b4828.exe Set value (str) \REGISTRY\USER\S-1-5-21-3938118698-2964058152-2337880935-1000\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 3e4e5fb000d99ce3514dc5d467637c9b8bc5b34f8b2795129f20596d243b4828.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 3e4e5fb000d99ce3514dc5d467637c9b8bc5b34f8b2795129f20596d243b4828.exe File created C:\Windows\rss\csrss.exe 3e4e5fb000d99ce3514dc5d467637c9b8bc5b34f8b2795129f20596d243b4828.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 3396 sc.exe -
pid Process 4580 powershell.exe 3348 powershell.exe 2360 powershell.exe 3984 powershell.exe 1584 powershell.exe 3604 powershell.exe 3704 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 3972 schtasks.exe 2060 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 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\2a\52C64B7E\@tzres.dll,-365 = "Middle East Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1912 = "Russia TZ 10 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-932 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-431 = "Iran Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-212 = "Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2842 = "Saratov Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1022 = "Bangladesh Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time" 3e4e5fb000d99ce3514dc5d467637c9b8bc5b34f8b2795129f20596d243b4828.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time" 3e4e5fb000d99ce3514dc5d467637c9b8bc5b34f8b2795129f20596d243b4828.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time" 3e4e5fb000d99ce3514dc5d467637c9b8bc5b34f8b2795129f20596d243b4828.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time" 3e4e5fb000d99ce3514dc5d467637c9b8bc5b34f8b2795129f20596d243b4828.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\2a\52C64B7E\@tzres.dll,-461 = "Afghanistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2492 = "Aus Central W. Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates 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,-281 = "Central Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-72 = "Newfoundland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-961 = "Paraguay Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-132 = "US Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-202 = "US Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time" 3e4e5fb000d99ce3514dc5d467637c9b8bc5b34f8b2795129f20596d243b4828.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" 3e4e5fb000d99ce3514dc5d467637c9b8bc5b34f8b2795129f20596d243b4828.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time" 3e4e5fb000d99ce3514dc5d467637c9b8bc5b34f8b2795129f20596d243b4828.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2571 = "Turks and Caicos Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" 3e4e5fb000d99ce3514dc5d467637c9b8bc5b34f8b2795129f20596d243b4828.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" 3e4e5fb000d99ce3514dc5d467637c9b8bc5b34f8b2795129f20596d243b4828.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time" 3e4e5fb000d99ce3514dc5d467637c9b8bc5b34f8b2795129f20596d243b4828.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.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\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" 3e4e5fb000d99ce3514dc5d467637c9b8bc5b34f8b2795129f20596d243b4828.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.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,-511 = "Central Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-872 = "Pakistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-632 = "Tokyo Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-742 = "New Zealand Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time" 3e4e5fb000d99ce3514dc5d467637c9b8bc5b34f8b2795129f20596d243b4828.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1892 = "Russia TZ 3 Standard Time" 3e4e5fb000d99ce3514dc5d467637c9b8bc5b34f8b2795129f20596d243b4828.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2512 = "Lord Howe Standard 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,-281 = "Central Europe Daylight Time" 3e4e5fb000d99ce3514dc5d467637c9b8bc5b34f8b2795129f20596d243b4828.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\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\2a\52C64B7E\@tzres.dll,-291 = "Central European Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-682 = "E. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2792 = "Novosibirsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time" 3e4e5fb000d99ce3514dc5d467637c9b8bc5b34f8b2795129f20596d243b4828.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" 3e4e5fb000d99ce3514dc5d467637c9b8bc5b34f8b2795129f20596d243b4828.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" 3e4e5fb000d99ce3514dc5d467637c9b8bc5b34f8b2795129f20596d243b4828.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-452 = "Caucasus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-232 = "Hawaiian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2062 = "North Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-512 = "Central Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" 3e4e5fb000d99ce3514dc5d467637c9b8bc5b34f8b2795129f20596d243b4828.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" 3e4e5fb000d99ce3514dc5d467637c9b8bc5b34f8b2795129f20596d243b4828.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time" 3e4e5fb000d99ce3514dc5d467637c9b8bc5b34f8b2795129f20596d243b4828.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3984 powershell.exe 3984 powershell.exe 3980 3e4e5fb000d99ce3514dc5d467637c9b8bc5b34f8b2795129f20596d243b4828.exe 3980 3e4e5fb000d99ce3514dc5d467637c9b8bc5b34f8b2795129f20596d243b4828.exe 1584 powershell.exe 1584 powershell.exe 5004 3e4e5fb000d99ce3514dc5d467637c9b8bc5b34f8b2795129f20596d243b4828.exe 5004 3e4e5fb000d99ce3514dc5d467637c9b8bc5b34f8b2795129f20596d243b4828.exe 5004 3e4e5fb000d99ce3514dc5d467637c9b8bc5b34f8b2795129f20596d243b4828.exe 5004 3e4e5fb000d99ce3514dc5d467637c9b8bc5b34f8b2795129f20596d243b4828.exe 5004 3e4e5fb000d99ce3514dc5d467637c9b8bc5b34f8b2795129f20596d243b4828.exe 5004 3e4e5fb000d99ce3514dc5d467637c9b8bc5b34f8b2795129f20596d243b4828.exe 5004 3e4e5fb000d99ce3514dc5d467637c9b8bc5b34f8b2795129f20596d243b4828.exe 5004 3e4e5fb000d99ce3514dc5d467637c9b8bc5b34f8b2795129f20596d243b4828.exe 5004 3e4e5fb000d99ce3514dc5d467637c9b8bc5b34f8b2795129f20596d243b4828.exe 5004 3e4e5fb000d99ce3514dc5d467637c9b8bc5b34f8b2795129f20596d243b4828.exe 3604 powershell.exe 3604 powershell.exe 3704 powershell.exe 3704 powershell.exe 4580 powershell.exe 4580 powershell.exe 3348 powershell.exe 3348 powershell.exe 2360 powershell.exe 2360 powershell.exe 2472 injector.exe 2472 injector.exe 2472 injector.exe 2472 injector.exe 2472 injector.exe 2472 injector.exe 1360 csrss.exe 1360 csrss.exe 2472 injector.exe 2472 injector.exe 2472 injector.exe 2472 injector.exe 2472 injector.exe 2472 injector.exe 1360 csrss.exe 1360 csrss.exe 2472 injector.exe 2472 injector.exe 2472 injector.exe 2472 injector.exe 1360 csrss.exe 1360 csrss.exe 2472 injector.exe 2472 injector.exe 2472 injector.exe 2472 injector.exe 2472 injector.exe 2472 injector.exe 2472 injector.exe 2472 injector.exe 2472 injector.exe 2472 injector.exe 2472 injector.exe 2472 injector.exe 2472 injector.exe 2472 injector.exe 2472 injector.exe 2472 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3984 powershell.exe Token: SeDebugPrivilege 3980 3e4e5fb000d99ce3514dc5d467637c9b8bc5b34f8b2795129f20596d243b4828.exe Token: SeImpersonatePrivilege 3980 3e4e5fb000d99ce3514dc5d467637c9b8bc5b34f8b2795129f20596d243b4828.exe Token: SeDebugPrivilege 1584 powershell.exe Token: SeDebugPrivilege 3604 powershell.exe Token: SeDebugPrivilege 3704 powershell.exe Token: SeDebugPrivilege 4580 powershell.exe Token: SeDebugPrivilege 3348 powershell.exe Token: SeDebugPrivilege 2360 powershell.exe Token: SeSystemEnvironmentPrivilege 1360 csrss.exe Token: SeSecurityPrivilege 3396 sc.exe Token: SeSecurityPrivilege 3396 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3980 wrote to memory of 3984 3980 3e4e5fb000d99ce3514dc5d467637c9b8bc5b34f8b2795129f20596d243b4828.exe 82 PID 3980 wrote to memory of 3984 3980 3e4e5fb000d99ce3514dc5d467637c9b8bc5b34f8b2795129f20596d243b4828.exe 82 PID 3980 wrote to memory of 3984 3980 3e4e5fb000d99ce3514dc5d467637c9b8bc5b34f8b2795129f20596d243b4828.exe 82 PID 5004 wrote to memory of 1584 5004 3e4e5fb000d99ce3514dc5d467637c9b8bc5b34f8b2795129f20596d243b4828.exe 88 PID 5004 wrote to memory of 1584 5004 3e4e5fb000d99ce3514dc5d467637c9b8bc5b34f8b2795129f20596d243b4828.exe 88 PID 5004 wrote to memory of 1584 5004 3e4e5fb000d99ce3514dc5d467637c9b8bc5b34f8b2795129f20596d243b4828.exe 88 PID 5004 wrote to memory of 3432 5004 3e4e5fb000d99ce3514dc5d467637c9b8bc5b34f8b2795129f20596d243b4828.exe 90 PID 5004 wrote to memory of 3432 5004 3e4e5fb000d99ce3514dc5d467637c9b8bc5b34f8b2795129f20596d243b4828.exe 90 PID 3432 wrote to memory of 3340 3432 cmd.exe 92 PID 3432 wrote to memory of 3340 3432 cmd.exe 92 PID 5004 wrote to memory of 3604 5004 3e4e5fb000d99ce3514dc5d467637c9b8bc5b34f8b2795129f20596d243b4828.exe 93 PID 5004 wrote to memory of 3604 5004 3e4e5fb000d99ce3514dc5d467637c9b8bc5b34f8b2795129f20596d243b4828.exe 93 PID 5004 wrote to memory of 3604 5004 3e4e5fb000d99ce3514dc5d467637c9b8bc5b34f8b2795129f20596d243b4828.exe 93 PID 5004 wrote to memory of 3704 5004 3e4e5fb000d99ce3514dc5d467637c9b8bc5b34f8b2795129f20596d243b4828.exe 95 PID 5004 wrote to memory of 3704 5004 3e4e5fb000d99ce3514dc5d467637c9b8bc5b34f8b2795129f20596d243b4828.exe 95 PID 5004 wrote to memory of 3704 5004 3e4e5fb000d99ce3514dc5d467637c9b8bc5b34f8b2795129f20596d243b4828.exe 95 PID 5004 wrote to memory of 1360 5004 3e4e5fb000d99ce3514dc5d467637c9b8bc5b34f8b2795129f20596d243b4828.exe 97 PID 5004 wrote to memory of 1360 5004 3e4e5fb000d99ce3514dc5d467637c9b8bc5b34f8b2795129f20596d243b4828.exe 97 PID 5004 wrote to memory of 1360 5004 3e4e5fb000d99ce3514dc5d467637c9b8bc5b34f8b2795129f20596d243b4828.exe 97 PID 1360 wrote to memory of 4580 1360 csrss.exe 98 PID 1360 wrote to memory of 4580 1360 csrss.exe 98 PID 1360 wrote to memory of 4580 1360 csrss.exe 98 PID 1360 wrote to memory of 3348 1360 csrss.exe 103 PID 1360 wrote to memory of 3348 1360 csrss.exe 103 PID 1360 wrote to memory of 3348 1360 csrss.exe 103 PID 1360 wrote to memory of 2360 1360 csrss.exe 106 PID 1360 wrote to memory of 2360 1360 csrss.exe 106 PID 1360 wrote to memory of 2360 1360 csrss.exe 106 PID 1360 wrote to memory of 2472 1360 csrss.exe 108 PID 1360 wrote to memory of 2472 1360 csrss.exe 108 PID 4824 wrote to memory of 3536 4824 windefender.exe 114 PID 4824 wrote to memory of 3536 4824 windefender.exe 114 PID 4824 wrote to memory of 3536 4824 windefender.exe 114 PID 3536 wrote to memory of 3396 3536 cmd.exe 115 PID 3536 wrote to memory of 3396 3536 cmd.exe 115 PID 3536 wrote to memory of 3396 3536 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\3e4e5fb000d99ce3514dc5d467637c9b8bc5b34f8b2795129f20596d243b4828.exe"C:\Users\Admin\AppData\Local\Temp\3e4e5fb000d99ce3514dc5d467637c9b8bc5b34f8b2795129f20596d243b4828.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3980 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3984
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C:\Users\Admin\AppData\Local\Temp\3e4e5fb000d99ce3514dc5d467637c9b8bc5b34f8b2795129f20596d243b4828.exe"C:\Users\Admin\AppData\Local\Temp\3e4e5fb000d99ce3514dc5d467637c9b8bc5b34f8b2795129f20596d243b4828.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:5004 -
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:1584
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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:3432 -
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:3340
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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:3604
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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:3704
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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:1360 -
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:4580
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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:3972
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:944
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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:3348
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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:2360
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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:2472
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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:2060
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4824 -
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:3536 -
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:3396
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3264
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
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b66a93b5020728a44a8beec9b72ffab5
SHA159315dbf693efcf51f4b1ceb72743c6623449221
SHA25697c1dd0582587040014b9600c788efab74883f425599e6b18e4a80de4d3e097c
SHA5124d4244a852d0ef047503c84816b21ea0a416404f4abd38debc04c38f95c9fdefea11ff2627b0aa783801098138540f310228b25367e55927513f7f9b16318b48
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58718b47e15caec58b8c92342024708b7
SHA16c1242fbed48e291c0534b569ca542d0e0d1269b
SHA256d248d40371d44240330f0bd2a4acc302b6742bd0e04da7d3b48c2219746350c6
SHA512a509ea09b86d87845ce9af063508f0264bc56d29977303c71262b45cba126a4b499bd34a74f674f634ffd7d3b94ee3d33e5e92cc4c10bf1b0a21d9d302bc1a34
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e5b6729b7f3d5703eb4862522c43cfd9
SHA17d28b60958d5647e34ea8ed6bb110be0ffcc73e3
SHA2562f66a8c4fbe7f04f5407b81c195f492e8153444e154392a5aa1fbaa468cce7db
SHA512e4019bf7aa9aa7dfabaab7f8e7b8b16bab23f9aca7841953ceb7b07e726d62fe61cee1b9462b1cf9e8dbf73e09fc56748755ac066970a00234819dd2ed0cb347
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD527b06d6236c0c558fd62904d15153ff4
SHA1206914f107c8bf1886adfe648420226673c9f37b
SHA25645e09d1ccf00e85f09b4b00e295f3b64b104c9d1a6acb3a8ad64c163eb7379e6
SHA51275903451c0207043974970262096d7822fe6a14fbe5f3b5266c98420ac537f59557c0485a59b1b796c985ec643c10abe8c6439d74b985d1678d6e2e78f26111a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD527aafa45ee957c0a3e4dcc1efcd31619
SHA14f25edfe8bc14c5d3b5e54e408091ab49df82df3
SHA256c49f1b31a8d1388ee221a20fe076035161cdcc34ffd7c196c6d4d443af80c653
SHA512132559721bdbbe79578abcc03d91e8f1c89ec4949975fa075b8f02adbde9d7ab15d8612615ec8168f56ce93af5e35dfb70bfaa6daa49ac3d3e2c84d0fce91ae5
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Filesize
4.2MB
MD567a16135586c80390e387e760971d81f
SHA1fb35b276ebb3033d6acedf8fbd5b01c0c973fbdd
SHA2563e4e5fb000d99ce3514dc5d467637c9b8bc5b34f8b2795129f20596d243b4828
SHA512fdac4e8706ce16ac8329721674d83ad844d8752ab735be880f4bd8b632a809dd624c2d6cc1fa6c1e46d201c7b6844f334cf054d89307a4d111f0df4099ebab2e
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec