Analysis
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max time kernel
150s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
17-05-2024 19:56
Static task
static1
Behavioral task
behavioral1
Sample
acd4bc93214ae8e9ef722c8e9943186907f5b66e734e8c914ac9be9e45f4c140.exe
Resource
win10v2004-20240508-en
General
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Target
acd4bc93214ae8e9ef722c8e9943186907f5b66e734e8c914ac9be9e45f4c140.exe
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Size
4.1MB
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MD5
5e6e88e6229170d173cf47fcf6e9a790
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SHA1
29bb92ebf3f571adcca130328b3a6747e6d2b2c2
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SHA256
acd4bc93214ae8e9ef722c8e9943186907f5b66e734e8c914ac9be9e45f4c140
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SHA512
d87a44287d1d90a42b4926217deb19398b2eb4d85cd5dc3b1b799ccbf1f9fa261d542ea5c9f6345b04b8a1d1a18b9b2a0243e212ebdb25bf9224c3791c4028f1
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SSDEEP
49152:9KSHQE6bCrQt9J2m6qYk0f+BzgqdGFArOOO8EeNSlBbqHPgo81vjAIlxiZQJw/:91wCr5kG+hEArjFEeNSldQg15xmh/
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/1040-2-0x0000000004D40000-0x000000000562B000-memory.dmp family_glupteba behavioral1/memory/1040-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1040-118-0x0000000004D40000-0x000000000562B000-memory.dmp family_glupteba behavioral1/memory/1040-116-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/1040-159-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4500-158-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4844-210-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4844-218-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4844-221-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4844-224-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4844-228-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4844-230-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4844-233-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4844-236-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4844-240-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4844-242-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4844-245-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4844-248-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4844-252-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4504 netsh.exe -
Executes dropped EXE 2 IoCs
pid Process 4844 csrss.exe 3684 injector.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" acd4bc93214ae8e9ef722c8e9943186907f5b66e734e8c914ac9be9e45f4c140.exe Set value (str) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 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 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 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 acd4bc93214ae8e9ef722c8e9943186907f5b66e734e8c914ac9be9e45f4c140.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\rss acd4bc93214ae8e9ef722c8e9943186907f5b66e734e8c914ac9be9e45f4c140.exe File created C:\Windows\rss\csrss.exe acd4bc93214ae8e9ef722c8e9943186907f5b66e734e8c914ac9be9e45f4c140.exe -
pid Process 1396 powershell.exe 2732 powershell.exe 1104 powershell.exe 1948 powershell.exe 8 powershell.exe 3472 powershell.exe 3380 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 328 schtasks.exe 1948 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time" acd4bc93214ae8e9ef722c8e9943186907f5b66e734e8c914ac9be9e45f4c140.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" acd4bc93214ae8e9ef722c8e9943186907f5b66e734e8c914ac9be9e45f4c140.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time" acd4bc93214ae8e9ef722c8e9943186907f5b66e734e8c914ac9be9e45f4c140.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time" acd4bc93214ae8e9ef722c8e9943186907f5b66e734e8c914ac9be9e45f4c140.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time" acd4bc93214ae8e9ef722c8e9943186907f5b66e734e8c914ac9be9e45f4c140.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1912 = "Russia TZ 10 Standard Time" acd4bc93214ae8e9ef722c8e9943186907f5b66e734e8c914ac9be9e45f4c140.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" acd4bc93214ae8e9ef722c8e9943186907f5b66e734e8c914ac9be9e45f4c140.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time" acd4bc93214ae8e9ef722c8e9943186907f5b66e734e8c914ac9be9e45f4c140.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)" acd4bc93214ae8e9ef722c8e9943186907f5b66e734e8c914ac9be9e45f4c140.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" acd4bc93214ae8e9ef722c8e9943186907f5b66e734e8c914ac9be9e45f4c140.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" acd4bc93214ae8e9ef722c8e9943186907f5b66e734e8c914ac9be9e45f4c140.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time" acd4bc93214ae8e9ef722c8e9943186907f5b66e734e8c914ac9be9e45f4c140.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time" acd4bc93214ae8e9ef722c8e9943186907f5b66e734e8c914ac9be9e45f4c140.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time" acd4bc93214ae8e9ef722c8e9943186907f5b66e734e8c914ac9be9e45f4c140.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates 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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time" acd4bc93214ae8e9ef722c8e9943186907f5b66e734e8c914ac9be9e45f4c140.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time" acd4bc93214ae8e9ef722c8e9943186907f5b66e734e8c914ac9be9e45f4c140.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" acd4bc93214ae8e9ef722c8e9943186907f5b66e734e8c914ac9be9e45f4c140.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time" acd4bc93214ae8e9ef722c8e9943186907f5b66e734e8c914ac9be9e45f4c140.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time" acd4bc93214ae8e9ef722c8e9943186907f5b66e734e8c914ac9be9e45f4c140.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time" acd4bc93214ae8e9ef722c8e9943186907f5b66e734e8c914ac9be9e45f4c140.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time" acd4bc93214ae8e9ef722c8e9943186907f5b66e734e8c914ac9be9e45f4c140.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot 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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" acd4bc93214ae8e9ef722c8e9943186907f5b66e734e8c914ac9be9e45f4c140.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time" acd4bc93214ae8e9ef722c8e9943186907f5b66e734e8c914ac9be9e45f4c140.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time" acd4bc93214ae8e9ef722c8e9943186907f5b66e734e8c914ac9be9e45f4c140.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time" acd4bc93214ae8e9ef722c8e9943186907f5b66e734e8c914ac9be9e45f4c140.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time" acd4bc93214ae8e9ef722c8e9943186907f5b66e734e8c914ac9be9e45f4c140.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)" acd4bc93214ae8e9ef722c8e9943186907f5b66e734e8c914ac9be9e45f4c140.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" acd4bc93214ae8e9ef722c8e9943186907f5b66e734e8c914ac9be9e45f4c140.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time" acd4bc93214ae8e9ef722c8e9943186907f5b66e734e8c914ac9be9e45f4c140.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1396 powershell.exe 1396 powershell.exe 1040 acd4bc93214ae8e9ef722c8e9943186907f5b66e734e8c914ac9be9e45f4c140.exe 1040 acd4bc93214ae8e9ef722c8e9943186907f5b66e734e8c914ac9be9e45f4c140.exe 2732 powershell.exe 2732 powershell.exe 4500 acd4bc93214ae8e9ef722c8e9943186907f5b66e734e8c914ac9be9e45f4c140.exe 4500 acd4bc93214ae8e9ef722c8e9943186907f5b66e734e8c914ac9be9e45f4c140.exe 4500 acd4bc93214ae8e9ef722c8e9943186907f5b66e734e8c914ac9be9e45f4c140.exe 4500 acd4bc93214ae8e9ef722c8e9943186907f5b66e734e8c914ac9be9e45f4c140.exe 4500 acd4bc93214ae8e9ef722c8e9943186907f5b66e734e8c914ac9be9e45f4c140.exe 4500 acd4bc93214ae8e9ef722c8e9943186907f5b66e734e8c914ac9be9e45f4c140.exe 4500 acd4bc93214ae8e9ef722c8e9943186907f5b66e734e8c914ac9be9e45f4c140.exe 4500 acd4bc93214ae8e9ef722c8e9943186907f5b66e734e8c914ac9be9e45f4c140.exe 4500 acd4bc93214ae8e9ef722c8e9943186907f5b66e734e8c914ac9be9e45f4c140.exe 4500 acd4bc93214ae8e9ef722c8e9943186907f5b66e734e8c914ac9be9e45f4c140.exe 1104 powershell.exe 1104 powershell.exe 1104 powershell.exe 1948 powershell.exe 1948 powershell.exe 8 powershell.exe 8 powershell.exe 3472 powershell.exe 3472 powershell.exe 3380 powershell.exe 3380 powershell.exe 3684 injector.exe 3684 injector.exe 3684 injector.exe 3684 injector.exe 3684 injector.exe 3684 injector.exe 4844 csrss.exe 4844 csrss.exe 3684 injector.exe 3684 injector.exe 3684 injector.exe 3684 injector.exe 3684 injector.exe 3684 injector.exe 4844 csrss.exe 4844 csrss.exe 3684 injector.exe 3684 injector.exe 3684 injector.exe 3684 injector.exe 3684 injector.exe 3684 injector.exe 3684 injector.exe 3684 injector.exe 3684 injector.exe 3684 injector.exe 3684 injector.exe 3684 injector.exe 3684 injector.exe 3684 injector.exe 3684 injector.exe 3684 injector.exe 3684 injector.exe 3684 injector.exe 3684 injector.exe 3684 injector.exe 3684 injector.exe -
Suspicious use of AdjustPrivilegeToken 10 IoCs
description pid Process Token: SeDebugPrivilege 1396 powershell.exe Token: SeDebugPrivilege 1040 acd4bc93214ae8e9ef722c8e9943186907f5b66e734e8c914ac9be9e45f4c140.exe Token: SeImpersonatePrivilege 1040 acd4bc93214ae8e9ef722c8e9943186907f5b66e734e8c914ac9be9e45f4c140.exe Token: SeDebugPrivilege 2732 powershell.exe Token: SeDebugPrivilege 1104 powershell.exe Token: SeDebugPrivilege 1948 powershell.exe Token: SeDebugPrivilege 8 powershell.exe Token: SeDebugPrivilege 3472 powershell.exe Token: SeDebugPrivilege 3380 powershell.exe Token: SeSystemEnvironmentPrivilege 4844 csrss.exe -
Suspicious use of WriteProcessMemory 30 IoCs
description pid Process procid_target PID 1040 wrote to memory of 1396 1040 acd4bc93214ae8e9ef722c8e9943186907f5b66e734e8c914ac9be9e45f4c140.exe 85 PID 1040 wrote to memory of 1396 1040 acd4bc93214ae8e9ef722c8e9943186907f5b66e734e8c914ac9be9e45f4c140.exe 85 PID 1040 wrote to memory of 1396 1040 acd4bc93214ae8e9ef722c8e9943186907f5b66e734e8c914ac9be9e45f4c140.exe 85 PID 4500 wrote to memory of 2732 4500 acd4bc93214ae8e9ef722c8e9943186907f5b66e734e8c914ac9be9e45f4c140.exe 94 PID 4500 wrote to memory of 2732 4500 acd4bc93214ae8e9ef722c8e9943186907f5b66e734e8c914ac9be9e45f4c140.exe 94 PID 4500 wrote to memory of 2732 4500 acd4bc93214ae8e9ef722c8e9943186907f5b66e734e8c914ac9be9e45f4c140.exe 94 PID 4500 wrote to memory of 3172 4500 acd4bc93214ae8e9ef722c8e9943186907f5b66e734e8c914ac9be9e45f4c140.exe 97 PID 4500 wrote to memory of 3172 4500 acd4bc93214ae8e9ef722c8e9943186907f5b66e734e8c914ac9be9e45f4c140.exe 97 PID 3172 wrote to memory of 4504 3172 cmd.exe 99 PID 3172 wrote to memory of 4504 3172 cmd.exe 99 PID 4500 wrote to memory of 1104 4500 acd4bc93214ae8e9ef722c8e9943186907f5b66e734e8c914ac9be9e45f4c140.exe 101 PID 4500 wrote to memory of 1104 4500 acd4bc93214ae8e9ef722c8e9943186907f5b66e734e8c914ac9be9e45f4c140.exe 101 PID 4500 wrote to memory of 1104 4500 acd4bc93214ae8e9ef722c8e9943186907f5b66e734e8c914ac9be9e45f4c140.exe 101 PID 4500 wrote to memory of 1948 4500 acd4bc93214ae8e9ef722c8e9943186907f5b66e734e8c914ac9be9e45f4c140.exe 104 PID 4500 wrote to memory of 1948 4500 acd4bc93214ae8e9ef722c8e9943186907f5b66e734e8c914ac9be9e45f4c140.exe 104 PID 4500 wrote to memory of 1948 4500 acd4bc93214ae8e9ef722c8e9943186907f5b66e734e8c914ac9be9e45f4c140.exe 104 PID 4500 wrote to memory of 4844 4500 acd4bc93214ae8e9ef722c8e9943186907f5b66e734e8c914ac9be9e45f4c140.exe 107 PID 4500 wrote to memory of 4844 4500 acd4bc93214ae8e9ef722c8e9943186907f5b66e734e8c914ac9be9e45f4c140.exe 107 PID 4500 wrote to memory of 4844 4500 acd4bc93214ae8e9ef722c8e9943186907f5b66e734e8c914ac9be9e45f4c140.exe 107 PID 4844 wrote to memory of 8 4844 csrss.exe 108 PID 4844 wrote to memory of 8 4844 csrss.exe 108 PID 4844 wrote to memory of 8 4844 csrss.exe 108 PID 4844 wrote to memory of 3472 4844 csrss.exe 113 PID 4844 wrote to memory of 3472 4844 csrss.exe 113 PID 4844 wrote to memory of 3472 4844 csrss.exe 113 PID 4844 wrote to memory of 3380 4844 csrss.exe 116 PID 4844 wrote to memory of 3380 4844 csrss.exe 116 PID 4844 wrote to memory of 3380 4844 csrss.exe 116 PID 4844 wrote to memory of 3684 4844 csrss.exe 118 PID 4844 wrote to memory of 3684 4844 csrss.exe 118 -
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\acd4bc93214ae8e9ef722c8e9943186907f5b66e734e8c914ac9be9e45f4c140.exe"C:\Users\Admin\AppData\Local\Temp\acd4bc93214ae8e9ef722c8e9943186907f5b66e734e8c914ac9be9e45f4c140.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1040 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1396
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C:\Users\Admin\AppData\Local\Temp\acd4bc93214ae8e9ef722c8e9943186907f5b66e734e8c914ac9be9e45f4c140.exe"C:\Users\Admin\AppData\Local\Temp\acd4bc93214ae8e9ef722c8e9943186907f5b66e734e8c914ac9be9e45f4c140.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:4500 -
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:2732
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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:3172 -
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:4504
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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:1104
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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:1948
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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.
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4844 -
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:8
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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:328
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3912
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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:3472
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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:3380
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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:3684
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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:1948
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b64dbb771761aa837bb2fc9683c80c0c
SHA1d0c68d33934845390152a31f06ce6f59be1ae5fb
SHA2560f22352f4f987cd13e3e43d9311c19b5bc6263c5182c48e15c47120e0d0399af
SHA512a901d81f8c47fa0d22f772d657e629aff611e1fde2654f5cd0e2a8253e07ace7a286f7f90781b92ba08de32a00a18658cb9b2df400efb80e1b3da7044e8f253e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD510168c658de8e9d61a7117db661db6e1
SHA147f4fc2ce9d8d6995cddaa3e6419ac982f27d89b
SHA256a461fcdaff1cb4a4d8cdbe2004998364260c15b98c276a8e4680a14e4788d9ac
SHA512c2adac69985e257211e1ea420c21cb267d55aa9bae99ede4954ddf7eb647a1ff72723441a60571a518a7d89419565446c9c11e960e67f27a19fea2ee75197c17
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD568d5dcc53e378a7ed14205de3f24f48b
SHA100cbb692bc975bddb37c54356a6e3a73a6e75448
SHA256e03e3ab19f59520eb1c6d36e6c6701d78b35e937504bc1beab7fad30ae40365e
SHA512ceed2554603fbab99896f38da4a69a3c9adb5808b1ed7aeebb81925f7c7c9778b2e779feaa6b75d5556797c98804765c7417e17a7c059560c9a353863c43dc7b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52f27994c2cab881d0db61bf3d7dab36b
SHA1bb1dc4e53a8ffa99dc06c2dd05995d38d67204ee
SHA256ff0af940fdc9a0a0860c8bf87bbe26b5040e736a45dc8fc24618bdb240cdab74
SHA5128716134fcc47eb95873a52fd39b49c08b7cdc3bfa8f5f4a45bbff048d2a168c9a3eacb374cc4e2b8f7c82b0c408aedf8d4d4a643fb9e593201d19d525308b335
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b7968509edf1b1b4b01c801676cdfef9
SHA10e6ab17f1bef11a9ec94f882bfacc2827232eb45
SHA256c718fc6306f9c11424e74e3f05e4447163183a860700da3873ca19276c54a60c
SHA512c684398f78b472ce6cb7e5897c636c0ebd892c9f4af7f0a53f88be589544a1624b1efc6f0bf1df617c86712bf00ca06e60f586fcfb8526d4f1149674c8836276
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Filesize
4.1MB
MD55e6e88e6229170d173cf47fcf6e9a790
SHA129bb92ebf3f571adcca130328b3a6747e6d2b2c2
SHA256acd4bc93214ae8e9ef722c8e9943186907f5b66e734e8c914ac9be9e45f4c140
SHA512d87a44287d1d90a42b4926217deb19398b2eb4d85cd5dc3b1b799ccbf1f9fa261d542ea5c9f6345b04b8a1d1a18b9b2a0243e212ebdb25bf9224c3791c4028f1