Analysis
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max time kernel
150s -
max time network
150s -
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 12:31
Static task
static1
Behavioral task
behavioral1
Sample
e9728e12a609e49526465bfd233969cd505f74381ba21846b516665ab16e4306.exe
Resource
win10v2004-20240508-en
General
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Target
e9728e12a609e49526465bfd233969cd505f74381ba21846b516665ab16e4306.exe
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Size
4.1MB
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MD5
3d591d377816940266d56ff606f2ef46
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SHA1
6fd6fc254bade4a2683943be8ccee0c97d8498a4
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SHA256
e9728e12a609e49526465bfd233969cd505f74381ba21846b516665ab16e4306
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SHA512
abc2917974c2693bf1de62e4eccc4a6f75eb9a2d0a1de35dc5c6b32ee9f144111eeb82995c4075999e863182b757a36d6edda84db507ed48cceb08ce440b4b43
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SSDEEP
98304:8d7tSzSG1TEQyj2soCVZzfOSLUhtCaFAX/iUIATxmmpvA2aCdQuFREnErO:eRMSLQaVNfPUP9FaqUIATxXaCdFFREnL
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral1/memory/3444-2-0x0000000004BE0000-0x00000000054CB000-memory.dmp family_glupteba behavioral1/memory/3444-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3444-55-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/3444-57-0x0000000004BE0000-0x00000000054CB000-memory.dmp family_glupteba behavioral1/memory/3444-58-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4024-69-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4024-132-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4024-151-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/3304-152-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/3304-217-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/3304-225-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/3304-228-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/3304-231-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/3304-234-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/3304-237-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/3304-240-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/3304-243-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/3304-246-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4020 netsh.exe -
Executes dropped EXE 2 IoCs
pid Process 3304 csrss.exe 2512 injector.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" e9728e12a609e49526465bfd233969cd505f74381ba21846b516665ab16e4306.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 opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe 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 -
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 e9728e12a609e49526465bfd233969cd505f74381ba21846b516665ab16e4306.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\rss e9728e12a609e49526465bfd233969cd505f74381ba21846b516665ab16e4306.exe File created C:\Windows\rss\csrss.exe e9728e12a609e49526465bfd233969cd505f74381ba21846b516665ab16e4306.exe -
pid Process 2116 powershell.exe 3896 powershell.exe 780 powershell.exe 2584 powershell.exe 3608 powershell.exe 3664 powershell.exe 4180 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 4424 schtasks.exe 2760 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process 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,-2162 = "Altai Standard Time" e9728e12a609e49526465bfd233969cd505f74381ba21846b516665ab16e4306.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" e9728e12a609e49526465bfd233969cd505f74381ba21846b516665ab16e4306.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. Standard Time" e9728e12a609e49526465bfd233969cd505f74381ba21846b516665ab16e4306.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time" e9728e12a609e49526465bfd233969cd505f74381ba21846b516665ab16e4306.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" e9728e12a609e49526465bfd233969cd505f74381ba21846b516665ab16e4306.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust 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,-162 = "Central Standard Time" e9728e12a609e49526465bfd233969cd505f74381ba21846b516665ab16e4306.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time" e9728e12a609e49526465bfd233969cd505f74381ba21846b516665ab16e4306.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time" e9728e12a609e49526465bfd233969cd505f74381ba21846b516665ab16e4306.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time" e9728e12a609e49526465bfd233969cd505f74381ba21846b516665ab16e4306.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time" e9728e12a609e49526465bfd233969cd505f74381ba21846b516665ab16e4306.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time" e9728e12a609e49526465bfd233969cd505f74381ba21846b516665ab16e4306.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time" e9728e12a609e49526465bfd233969cd505f74381ba21846b516665ab16e4306.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed 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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time" e9728e12a609e49526465bfd233969cd505f74381ba21846b516665ab16e4306.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)" e9728e12a609e49526465bfd233969cd505f74381ba21846b516665ab16e4306.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" e9728e12a609e49526465bfd233969cd505f74381ba21846b516665ab16e4306.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs 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\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time" e9728e12a609e49526465bfd233969cd505f74381ba21846b516665ab16e4306.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time" e9728e12a609e49526465bfd233969cd505f74381ba21846b516665ab16e4306.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" e9728e12a609e49526465bfd233969cd505f74381ba21846b516665ab16e4306.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time" e9728e12a609e49526465bfd233969cd505f74381ba21846b516665ab16e4306.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time" e9728e12a609e49526465bfd233969cd505f74381ba21846b516665ab16e4306.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-412 = "E. Africa Standard Time" e9728e12a609e49526465bfd233969cd505f74381ba21846b516665ab16e4306.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed 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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" e9728e12a609e49526465bfd233969cd505f74381ba21846b516665ab16e4306.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" e9728e12a609e49526465bfd233969cd505f74381ba21846b516665ab16e4306.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time" e9728e12a609e49526465bfd233969cd505f74381ba21846b516665ab16e4306.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" e9728e12a609e49526465bfd233969cd505f74381ba21846b516665ab16e4306.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time" e9728e12a609e49526465bfd233969cd505f74381ba21846b516665ab16e4306.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time" e9728e12a609e49526465bfd233969cd505f74381ba21846b516665ab16e4306.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,-2591 = "Tocantins Daylight Time" e9728e12a609e49526465bfd233969cd505f74381ba21846b516665ab16e4306.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time" e9728e12a609e49526465bfd233969cd505f74381ba21846b516665ab16e4306.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time" e9728e12a609e49526465bfd233969cd505f74381ba21846b516665ab16e4306.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2116 powershell.exe 2116 powershell.exe 3444 e9728e12a609e49526465bfd233969cd505f74381ba21846b516665ab16e4306.exe 3444 e9728e12a609e49526465bfd233969cd505f74381ba21846b516665ab16e4306.exe 3896 powershell.exe 3896 powershell.exe 4024 e9728e12a609e49526465bfd233969cd505f74381ba21846b516665ab16e4306.exe 4024 e9728e12a609e49526465bfd233969cd505f74381ba21846b516665ab16e4306.exe 4024 e9728e12a609e49526465bfd233969cd505f74381ba21846b516665ab16e4306.exe 4024 e9728e12a609e49526465bfd233969cd505f74381ba21846b516665ab16e4306.exe 4024 e9728e12a609e49526465bfd233969cd505f74381ba21846b516665ab16e4306.exe 4024 e9728e12a609e49526465bfd233969cd505f74381ba21846b516665ab16e4306.exe 4024 e9728e12a609e49526465bfd233969cd505f74381ba21846b516665ab16e4306.exe 4024 e9728e12a609e49526465bfd233969cd505f74381ba21846b516665ab16e4306.exe 4024 e9728e12a609e49526465bfd233969cd505f74381ba21846b516665ab16e4306.exe 4024 e9728e12a609e49526465bfd233969cd505f74381ba21846b516665ab16e4306.exe 780 powershell.exe 780 powershell.exe 2584 powershell.exe 2584 powershell.exe 3608 powershell.exe 3608 powershell.exe 3664 powershell.exe 3664 powershell.exe 4180 powershell.exe 4180 powershell.exe 2512 injector.exe 2512 injector.exe 2512 injector.exe 2512 injector.exe 2512 injector.exe 2512 injector.exe 3304 csrss.exe 3304 csrss.exe 2512 injector.exe 2512 injector.exe 2512 injector.exe 2512 injector.exe 2512 injector.exe 2512 injector.exe 3304 csrss.exe 3304 csrss.exe 2512 injector.exe 2512 injector.exe 2512 injector.exe 2512 injector.exe 2512 injector.exe 2512 injector.exe 2512 injector.exe 2512 injector.exe 2512 injector.exe 2512 injector.exe 2512 injector.exe 2512 injector.exe 2512 injector.exe 2512 injector.exe 2512 injector.exe 2512 injector.exe 2512 injector.exe 2512 injector.exe 2512 injector.exe 2512 injector.exe 2512 injector.exe 2512 injector.exe -
Suspicious use of AdjustPrivilegeToken 10 IoCs
description pid Process Token: SeDebugPrivilege 2116 powershell.exe Token: SeDebugPrivilege 3444 e9728e12a609e49526465bfd233969cd505f74381ba21846b516665ab16e4306.exe Token: SeImpersonatePrivilege 3444 e9728e12a609e49526465bfd233969cd505f74381ba21846b516665ab16e4306.exe Token: SeDebugPrivilege 3896 powershell.exe Token: SeDebugPrivilege 780 powershell.exe Token: SeDebugPrivilege 2584 powershell.exe Token: SeDebugPrivilege 3608 powershell.exe Token: SeDebugPrivilege 3664 powershell.exe Token: SeDebugPrivilege 4180 powershell.exe Token: SeSystemEnvironmentPrivilege 3304 csrss.exe -
Suspicious use of WriteProcessMemory 30 IoCs
description pid Process procid_target PID 3444 wrote to memory of 2116 3444 e9728e12a609e49526465bfd233969cd505f74381ba21846b516665ab16e4306.exe 98 PID 3444 wrote to memory of 2116 3444 e9728e12a609e49526465bfd233969cd505f74381ba21846b516665ab16e4306.exe 98 PID 3444 wrote to memory of 2116 3444 e9728e12a609e49526465bfd233969cd505f74381ba21846b516665ab16e4306.exe 98 PID 4024 wrote to memory of 3896 4024 e9728e12a609e49526465bfd233969cd505f74381ba21846b516665ab16e4306.exe 104 PID 4024 wrote to memory of 3896 4024 e9728e12a609e49526465bfd233969cd505f74381ba21846b516665ab16e4306.exe 104 PID 4024 wrote to memory of 3896 4024 e9728e12a609e49526465bfd233969cd505f74381ba21846b516665ab16e4306.exe 104 PID 4024 wrote to memory of 4956 4024 e9728e12a609e49526465bfd233969cd505f74381ba21846b516665ab16e4306.exe 109 PID 4024 wrote to memory of 4956 4024 e9728e12a609e49526465bfd233969cd505f74381ba21846b516665ab16e4306.exe 109 PID 4956 wrote to memory of 4020 4956 cmd.exe 111 PID 4956 wrote to memory of 4020 4956 cmd.exe 111 PID 4024 wrote to memory of 780 4024 e9728e12a609e49526465bfd233969cd505f74381ba21846b516665ab16e4306.exe 112 PID 4024 wrote to memory of 780 4024 e9728e12a609e49526465bfd233969cd505f74381ba21846b516665ab16e4306.exe 112 PID 4024 wrote to memory of 780 4024 e9728e12a609e49526465bfd233969cd505f74381ba21846b516665ab16e4306.exe 112 PID 4024 wrote to memory of 2584 4024 e9728e12a609e49526465bfd233969cd505f74381ba21846b516665ab16e4306.exe 114 PID 4024 wrote to memory of 2584 4024 e9728e12a609e49526465bfd233969cd505f74381ba21846b516665ab16e4306.exe 114 PID 4024 wrote to memory of 2584 4024 e9728e12a609e49526465bfd233969cd505f74381ba21846b516665ab16e4306.exe 114 PID 4024 wrote to memory of 3304 4024 e9728e12a609e49526465bfd233969cd505f74381ba21846b516665ab16e4306.exe 116 PID 4024 wrote to memory of 3304 4024 e9728e12a609e49526465bfd233969cd505f74381ba21846b516665ab16e4306.exe 116 PID 4024 wrote to memory of 3304 4024 e9728e12a609e49526465bfd233969cd505f74381ba21846b516665ab16e4306.exe 116 PID 3304 wrote to memory of 3608 3304 csrss.exe 117 PID 3304 wrote to memory of 3608 3304 csrss.exe 117 PID 3304 wrote to memory of 3608 3304 csrss.exe 117 PID 3304 wrote to memory of 3664 3304 csrss.exe 122 PID 3304 wrote to memory of 3664 3304 csrss.exe 122 PID 3304 wrote to memory of 3664 3304 csrss.exe 122 PID 3304 wrote to memory of 4180 3304 csrss.exe 125 PID 3304 wrote to memory of 4180 3304 csrss.exe 125 PID 3304 wrote to memory of 4180 3304 csrss.exe 125 PID 3304 wrote to memory of 2512 3304 csrss.exe 127 PID 3304 wrote to memory of 2512 3304 csrss.exe 127 -
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\e9728e12a609e49526465bfd233969cd505f74381ba21846b516665ab16e4306.exe"C:\Users\Admin\AppData\Local\Temp\e9728e12a609e49526465bfd233969cd505f74381ba21846b516665ab16e4306.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3444 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2116
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C:\Users\Admin\AppData\Local\Temp\e9728e12a609e49526465bfd233969cd505f74381ba21846b516665ab16e4306.exe"C:\Users\Admin\AppData\Local\Temp\e9728e12a609e49526465bfd233969cd505f74381ba21846b516665ab16e4306.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:4024 -
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:3896
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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:4956 -
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:4020
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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:780
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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:2584
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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:3304 -
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:3608
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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:4424
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2836
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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:3664
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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:4180
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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:2512
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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:2760
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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
MD54572324a111704242e69232ecf7375f6
SHA142cf4842064e4f01821b1ee9edbb3d17763f00b3
SHA256deee45559e241ac752205665911cb681ec7762e317a054713de51056b38382e3
SHA512e394053ab5b3b56ef834706a2f8c4d04f91a36d408bf2e993768455edb8c89abce2f18b84068edaceff9542c43897857a0bf50d1ff329cc8cf9cb0377d8b6e9c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5fe035f44de87ccd94d292f78bf24cc0c
SHA13e958c279b751d3fc2cde4dc002d4d48b215b2e6
SHA256ce16f6b3a7791c89f6ae2a9a94a826e4e643126b3b2e55674bd0049b6fd2fd3b
SHA5129856dd06687235ec8dc4c288839d6fea5d4257274b16523067a4b0f57d0000bc9c5e42f842e9630b227a5922a46c34ee51e35c57d41b584698964eaf0f27fd61
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53fade0bad4d52a4a0b60113f90693e85
SHA1c39e0c3f267d15783115aef826cfd7635d2bf3ae
SHA256e5ac95c6ac5e671c773f152cb0697c66c1d612f8c4c381e727d331735cca1a11
SHA5121017f5c28a8ac3e2c1afbd9477561a1e44ffd728828530dd65002772ef34858f937074a1581ce8c5b88e20cc093acbe95fe0b555d8cb99fc037e0004f60d7e59
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c405f9614b585dace4ceb1a41d9c8c89
SHA1f76e1577fc434dd6ffb168f5a68477090a966eac
SHA2561af077b278fb0e50956858f6d9f61f1a7ad19c53eaf113ff497cf44141d8a469
SHA5126e24cf8d1ad42e587e86dfc81f579eb8eb18a87c1d465309605267a9786e4de8f3f8ce9d93477223ad9e2d6add016a20a7b7e76c3a41152b3c8da412924f2159
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD548b068cb76e437c6d89e0787cac5ce39
SHA19e1fcf550c3102a97bb79aa4a55ba3d46cf3a141
SHA256109d776ec928d4e393e944cab324ac4e71115d5d6982249affdaebd3662f0a67
SHA5120d67349ddaea5c9814e8c02c48f58efb9606b6f6b989776d84631805c4e2d09b0e0a41fc0308e7f7fb51889551d7b21b5463a2a6a45498ad455b652533ad0dd5
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Filesize
4.1MB
MD53d591d377816940266d56ff606f2ef46
SHA16fd6fc254bade4a2683943be8ccee0c97d8498a4
SHA256e9728e12a609e49526465bfd233969cd505f74381ba21846b516665ab16e4306
SHA512abc2917974c2693bf1de62e4eccc4a6f75eb9a2d0a1de35dc5c6b32ee9f144111eeb82995c4075999e863182b757a36d6edda84db507ed48cceb08ce440b4b43