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Analysis
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max time kernel
149s -
max time network
141s -
platform
windows10-2004_x64 -
resource
win10v2004-20240419-en -
resource tags
arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system -
submitted
29/04/2024, 19:44
Static task
static1
Behavioral task
behavioral1
Sample
d8f62d50bcacd08f63e9b410da1e3e8165957265ffc038318484116ccaa4563f.exe
Resource
win10v2004-20240419-en
General
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Target
d8f62d50bcacd08f63e9b410da1e3e8165957265ffc038318484116ccaa4563f.exe
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Size
4.1MB
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MD5
e8d3abafd52c58d8156c7fac68bb0c2f
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SHA1
469600b25b3acb5d8f944fccf4a0accb6c31ca1a
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SHA256
d8f62d50bcacd08f63e9b410da1e3e8165957265ffc038318484116ccaa4563f
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SHA512
197a01329720d90533aa3ea74b7fec45b69876526c58b2e11d0fd7507e4661f777e18144fea37e2c1519fb857837a25b5deb851447ae38f4c557463a61dadda5
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SSDEEP
98304:BdQuuPHa5MdStgxripkXnRwi4vnPQHeH26Ah+8mVZTj:guu/awStgipkXtkP6Loj
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral1/memory/1212-2-0x0000000004F50000-0x000000000583B000-memory.dmp family_glupteba behavioral1/memory/1212-3-0x0000000000400000-0x0000000002ED3000-memory.dmp family_glupteba behavioral1/memory/1212-28-0x0000000000400000-0x0000000002ED3000-memory.dmp family_glupteba behavioral1/memory/1212-59-0x0000000004F50000-0x000000000583B000-memory.dmp family_glupteba behavioral1/memory/1212-57-0x0000000000400000-0x0000000002ED3000-memory.dmp family_glupteba behavioral1/memory/1788-71-0x0000000000400000-0x0000000002ED3000-memory.dmp family_glupteba behavioral1/memory/1788-136-0x0000000000400000-0x0000000002ED3000-memory.dmp family_glupteba behavioral1/memory/2588-163-0x0000000000400000-0x0000000002ED3000-memory.dmp family_glupteba behavioral1/memory/2588-167-0x0000000000400000-0x0000000002ED3000-memory.dmp family_glupteba behavioral1/memory/2588-217-0x0000000000400000-0x0000000002ED3000-memory.dmp family_glupteba behavioral1/memory/2588-223-0x0000000000400000-0x0000000002ED3000-memory.dmp family_glupteba behavioral1/memory/2588-224-0x0000000000400000-0x0000000002ED3000-memory.dmp family_glupteba behavioral1/memory/2588-225-0x0000000000400000-0x0000000002ED3000-memory.dmp family_glupteba behavioral1/memory/2588-226-0x0000000000400000-0x0000000002ED3000-memory.dmp family_glupteba behavioral1/memory/2588-227-0x0000000000400000-0x0000000002ED3000-memory.dmp family_glupteba behavioral1/memory/2588-228-0x0000000000400000-0x0000000002ED3000-memory.dmp family_glupteba behavioral1/memory/2588-229-0x0000000000400000-0x0000000002ED3000-memory.dmp family_glupteba behavioral1/memory/2588-230-0x0000000000400000-0x0000000002ED3000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4572 netsh.exe -
Executes dropped EXE 2 IoCs
pid Process 2588 csrss.exe 364 injector.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-17203666-93769886-2545153620-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" d8f62d50bcacd08f63e9b410da1e3e8165957265ffc038318484116ccaa4563f.exe Set value (str) \REGISTRY\USER\S-1-5-21-17203666-93769886-2545153620-1000\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 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 -
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 d8f62d50bcacd08f63e9b410da1e3e8165957265ffc038318484116ccaa4563f.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\rss d8f62d50bcacd08f63e9b410da1e3e8165957265ffc038318484116ccaa4563f.exe File created C:\Windows\rss\csrss.exe d8f62d50bcacd08f63e9b410da1e3e8165957265ffc038318484116ccaa4563f.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 4828 schtasks.exe 4196 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,-1021 = "Bangladesh Daylight Time" d8f62d50bcacd08f63e9b410da1e3e8165957265ffc038318484116ccaa4563f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time" d8f62d50bcacd08f63e9b410da1e3e8165957265ffc038318484116ccaa4563f.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,-1822 = "Russia TZ 1 Standard Time" d8f62d50bcacd08f63e9b410da1e3e8165957265ffc038318484116ccaa4563f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" d8f62d50bcacd08f63e9b410da1e3e8165957265ffc038318484116ccaa4563f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1862 = "Russia TZ 6 Standard Time" d8f62d50bcacd08f63e9b410da1e3e8165957265ffc038318484116ccaa4563f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" d8f62d50bcacd08f63e9b410da1e3e8165957265ffc038318484116ccaa4563f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time" d8f62d50bcacd08f63e9b410da1e3e8165957265ffc038318484116ccaa4563f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" d8f62d50bcacd08f63e9b410da1e3e8165957265ffc038318484116ccaa4563f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time" d8f62d50bcacd08f63e9b410da1e3e8165957265ffc038318484116ccaa4563f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople 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" d8f62d50bcacd08f63e9b410da1e3e8165957265ffc038318484116ccaa4563f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time" d8f62d50bcacd08f63e9b410da1e3e8165957265ffc038318484116ccaa4563f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates 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,-92 = "Pacific SA Standard Time" d8f62d50bcacd08f63e9b410da1e3e8165957265ffc038318484116ccaa4563f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time" d8f62d50bcacd08f63e9b410da1e3e8165957265ffc038318484116ccaa4563f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" d8f62d50bcacd08f63e9b410da1e3e8165957265ffc038318484116ccaa4563f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs 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,-372 = "Jerusalem Standard Time" d8f62d50bcacd08f63e9b410da1e3e8165957265ffc038318484116ccaa4563f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time" d8f62d50bcacd08f63e9b410da1e3e8165957265ffc038318484116ccaa4563f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs 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\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,-241 = "Samoa Daylight Time" d8f62d50bcacd08f63e9b410da1e3e8165957265ffc038318484116ccaa4563f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 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,-112 = "Eastern Standard Time" d8f62d50bcacd08f63e9b410da1e3e8165957265ffc038318484116ccaa4563f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time" d8f62d50bcacd08f63e9b410da1e3e8165957265ffc038318484116ccaa4563f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time" d8f62d50bcacd08f63e9b410da1e3e8165957265ffc038318484116ccaa4563f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" d8f62d50bcacd08f63e9b410da1e3e8165957265ffc038318484116ccaa4563f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot 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,-1971 = "Belarus Daylight Time" d8f62d50bcacd08f63e9b410da1e3e8165957265ffc038318484116ccaa4563f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time" d8f62d50bcacd08f63e9b410da1e3e8165957265ffc038318484116ccaa4563f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" d8f62d50bcacd08f63e9b410da1e3e8165957265ffc038318484116ccaa4563f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time" d8f62d50bcacd08f63e9b410da1e3e8165957265ffc038318484116ccaa4563f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" d8f62d50bcacd08f63e9b410da1e3e8165957265ffc038318484116ccaa4563f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople 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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" d8f62d50bcacd08f63e9b410da1e3e8165957265ffc038318484116ccaa4563f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time" d8f62d50bcacd08f63e9b410da1e3e8165957265ffc038318484116ccaa4563f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time" d8f62d50bcacd08f63e9b410da1e3e8165957265ffc038318484116ccaa4563f.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3820 powershell.exe 3820 powershell.exe 1212 d8f62d50bcacd08f63e9b410da1e3e8165957265ffc038318484116ccaa4563f.exe 1212 d8f62d50bcacd08f63e9b410da1e3e8165957265ffc038318484116ccaa4563f.exe 2744 powershell.exe 2744 powershell.exe 1788 d8f62d50bcacd08f63e9b410da1e3e8165957265ffc038318484116ccaa4563f.exe 1788 d8f62d50bcacd08f63e9b410da1e3e8165957265ffc038318484116ccaa4563f.exe 1788 d8f62d50bcacd08f63e9b410da1e3e8165957265ffc038318484116ccaa4563f.exe 1788 d8f62d50bcacd08f63e9b410da1e3e8165957265ffc038318484116ccaa4563f.exe 1788 d8f62d50bcacd08f63e9b410da1e3e8165957265ffc038318484116ccaa4563f.exe 1788 d8f62d50bcacd08f63e9b410da1e3e8165957265ffc038318484116ccaa4563f.exe 1788 d8f62d50bcacd08f63e9b410da1e3e8165957265ffc038318484116ccaa4563f.exe 1788 d8f62d50bcacd08f63e9b410da1e3e8165957265ffc038318484116ccaa4563f.exe 1788 d8f62d50bcacd08f63e9b410da1e3e8165957265ffc038318484116ccaa4563f.exe 1788 d8f62d50bcacd08f63e9b410da1e3e8165957265ffc038318484116ccaa4563f.exe 1228 powershell.exe 1228 powershell.exe 2024 powershell.exe 2024 powershell.exe 2036 powershell.exe 2036 powershell.exe 3160 powershell.exe 3160 powershell.exe 4288 powershell.exe 4288 powershell.exe 364 injector.exe 364 injector.exe 364 injector.exe 364 injector.exe 364 injector.exe 364 injector.exe 364 injector.exe 364 injector.exe 2588 csrss.exe 2588 csrss.exe 364 injector.exe 364 injector.exe 364 injector.exe 364 injector.exe 364 injector.exe 364 injector.exe 2588 csrss.exe 2588 csrss.exe 364 injector.exe 364 injector.exe 364 injector.exe 364 injector.exe 364 injector.exe 364 injector.exe 364 injector.exe 364 injector.exe 364 injector.exe 364 injector.exe 364 injector.exe 364 injector.exe 364 injector.exe 364 injector.exe 364 injector.exe 364 injector.exe 364 injector.exe 364 injector.exe 364 injector.exe 364 injector.exe -
Suspicious use of AdjustPrivilegeToken 10 IoCs
description pid Process Token: SeDebugPrivilege 3820 powershell.exe Token: SeDebugPrivilege 1212 d8f62d50bcacd08f63e9b410da1e3e8165957265ffc038318484116ccaa4563f.exe Token: SeImpersonatePrivilege 1212 d8f62d50bcacd08f63e9b410da1e3e8165957265ffc038318484116ccaa4563f.exe Token: SeDebugPrivilege 2744 powershell.exe Token: SeDebugPrivilege 1228 powershell.exe Token: SeDebugPrivilege 2024 powershell.exe Token: SeDebugPrivilege 2036 powershell.exe Token: SeDebugPrivilege 3160 powershell.exe Token: SeDebugPrivilege 4288 powershell.exe Token: SeSystemEnvironmentPrivilege 2588 csrss.exe -
Suspicious use of WriteProcessMemory 30 IoCs
description pid Process procid_target PID 1212 wrote to memory of 3820 1212 d8f62d50bcacd08f63e9b410da1e3e8165957265ffc038318484116ccaa4563f.exe 90 PID 1212 wrote to memory of 3820 1212 d8f62d50bcacd08f63e9b410da1e3e8165957265ffc038318484116ccaa4563f.exe 90 PID 1212 wrote to memory of 3820 1212 d8f62d50bcacd08f63e9b410da1e3e8165957265ffc038318484116ccaa4563f.exe 90 PID 1788 wrote to memory of 2744 1788 d8f62d50bcacd08f63e9b410da1e3e8165957265ffc038318484116ccaa4563f.exe 95 PID 1788 wrote to memory of 2744 1788 d8f62d50bcacd08f63e9b410da1e3e8165957265ffc038318484116ccaa4563f.exe 95 PID 1788 wrote to memory of 2744 1788 d8f62d50bcacd08f63e9b410da1e3e8165957265ffc038318484116ccaa4563f.exe 95 PID 1788 wrote to memory of 3384 1788 d8f62d50bcacd08f63e9b410da1e3e8165957265ffc038318484116ccaa4563f.exe 97 PID 1788 wrote to memory of 3384 1788 d8f62d50bcacd08f63e9b410da1e3e8165957265ffc038318484116ccaa4563f.exe 97 PID 3384 wrote to memory of 4572 3384 cmd.exe 99 PID 3384 wrote to memory of 4572 3384 cmd.exe 99 PID 1788 wrote to memory of 1228 1788 d8f62d50bcacd08f63e9b410da1e3e8165957265ffc038318484116ccaa4563f.exe 100 PID 1788 wrote to memory of 1228 1788 d8f62d50bcacd08f63e9b410da1e3e8165957265ffc038318484116ccaa4563f.exe 100 PID 1788 wrote to memory of 1228 1788 d8f62d50bcacd08f63e9b410da1e3e8165957265ffc038318484116ccaa4563f.exe 100 PID 1788 wrote to memory of 2024 1788 d8f62d50bcacd08f63e9b410da1e3e8165957265ffc038318484116ccaa4563f.exe 103 PID 1788 wrote to memory of 2024 1788 d8f62d50bcacd08f63e9b410da1e3e8165957265ffc038318484116ccaa4563f.exe 103 PID 1788 wrote to memory of 2024 1788 d8f62d50bcacd08f63e9b410da1e3e8165957265ffc038318484116ccaa4563f.exe 103 PID 1788 wrote to memory of 2588 1788 d8f62d50bcacd08f63e9b410da1e3e8165957265ffc038318484116ccaa4563f.exe 105 PID 1788 wrote to memory of 2588 1788 d8f62d50bcacd08f63e9b410da1e3e8165957265ffc038318484116ccaa4563f.exe 105 PID 1788 wrote to memory of 2588 1788 d8f62d50bcacd08f63e9b410da1e3e8165957265ffc038318484116ccaa4563f.exe 105 PID 2588 wrote to memory of 2036 2588 csrss.exe 106 PID 2588 wrote to memory of 2036 2588 csrss.exe 106 PID 2588 wrote to memory of 2036 2588 csrss.exe 106 PID 2588 wrote to memory of 3160 2588 csrss.exe 115 PID 2588 wrote to memory of 3160 2588 csrss.exe 115 PID 2588 wrote to memory of 3160 2588 csrss.exe 115 PID 2588 wrote to memory of 4288 2588 csrss.exe 118 PID 2588 wrote to memory of 4288 2588 csrss.exe 118 PID 2588 wrote to memory of 4288 2588 csrss.exe 118 PID 2588 wrote to memory of 364 2588 csrss.exe 120 PID 2588 wrote to memory of 364 2588 csrss.exe 120 -
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\d8f62d50bcacd08f63e9b410da1e3e8165957265ffc038318484116ccaa4563f.exe"C:\Users\Admin\AppData\Local\Temp\d8f62d50bcacd08f63e9b410da1e3e8165957265ffc038318484116ccaa4563f.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1212 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3820
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C:\Users\Admin\AppData\Local\Temp\d8f62d50bcacd08f63e9b410da1e3e8165957265ffc038318484116ccaa4563f.exe"C:\Users\Admin\AppData\Local\Temp\d8f62d50bcacd08f63e9b410da1e3e8165957265ffc038318484116ccaa4563f.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:1788 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2744
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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:3384 -
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:4572
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1228
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2024
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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:2588 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2036
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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:4196
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1936
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3160
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4288
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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:364
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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:4828
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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
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5dfb9aff2e95f147b0241b5adfb514070
SHA1b36b175960d1102d4b46f75a1d58d5d4ad3e79d7
SHA256b18bcd33edf1605633aa6f236538ffd6270705e074d2a8b20e5f2753e704ce86
SHA5129c5e2a941b39df95a7bd3ca3c6fe9f54eb1317d1ecf2664bdf800afc068717c3f4697d4de71a95ab70af835d34428f8469074624296bb86cb9376ba06c770a2f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d5e6604fb456923d12e80697095e0471
SHA1b9f5f1401348bebf28c836bf2d16fb5b3d866e6c
SHA25633e763da30381f76955a5194bf8cb35b5109f5dae352f51dcdec3c006d21769e
SHA5125b61c6534051dde22fd9987d4543e90ed96b10c3951b0e9b72907d16f3d795348f2ba59b385eb75d639335a940031bebbe003d68ef66c90b78e2c248cf89fd13
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD542af07cf8de9012076f9477d80d0859b
SHA19837da8d37ba5e5d05c468e3b8c1b410fee7f6f9
SHA256bd312bab4463d56d80403b348c11743b4805e2b0f2a7387afef6b7f33cca620e
SHA512691b06561fd6f2600fca64dfb90970198b8a0b50903d7f226a8a5d367652ee01d89dfbe044ad7c08e1a28abde9c1b03817de1710d6cd64a805b6ec5b98b211db
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5699dead118c7f2dc31c594a1a0fe9d82
SHA1ef0ef7c3ffb78a1866097cece4623f769033d726
SHA256e05aa214cbf6ba780d68df94b13e8512b2f026c732b96e17985b6981c6ce67d1
SHA5123ade4483e778896626f5fcd31a4c0db6bc1e79428e8480e961aada62ec6981a1c9a30d52850f0b34ef998497d6fc0b80fc2f5a421c94d9cb0734f7239cdb3b9e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5814be363c49a1f1abf38818d18e5d8ab
SHA1341f5d32b3d3e525673f50bfd805a11e0b90055b
SHA25642de801209437d3e28304df45636d336ae932ffbc6dd0849fb3fae5ab84fa7e2
SHA5120e695dd067d12f62049e1962bb08f1b171ab8157652c306632fb295db1b6844b1adf23069f700e2ac7aa4e3bf59ff4a6c29889150c890ddfe028d4d3047211cf
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Filesize
4.1MB
MD5e8d3abafd52c58d8156c7fac68bb0c2f
SHA1469600b25b3acb5d8f944fccf4a0accb6c31ca1a
SHA256d8f62d50bcacd08f63e9b410da1e3e8165957265ffc038318484116ccaa4563f
SHA512197a01329720d90533aa3ea74b7fec45b69876526c58b2e11d0fd7507e4661f777e18144fea37e2c1519fb857837a25b5deb851447ae38f4c557463a61dadda5