Analysis
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max time kernel
37s -
max time network
132s -
platform
windows11-21h2_x64 -
resource
win11-20240419-en -
resource tags
arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system -
submitted
16-05-2024 04:25
Static task
static1
Behavioral task
behavioral1
Sample
f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe
Resource
win10v2004-20240508-en
General
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Target
f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe
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Size
4.1MB
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MD5
d7d147cfa65fd2d6347d667ca24ee34a
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SHA1
0534a2c89750d3d1ba3620cba6bf0b2bbae69215
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SHA256
f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8
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SHA512
faecf35812edf851110b9f7f2710437460d8173187342a5437d752ce690798c55b21689bd6d67c7dc1bb26a0d3cb20350e077a11ea57b7f7f6fed2213d7868e4
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SSDEEP
98304:J96GAmuNBigEkoqfZTwC6uGlBZNljS4jc9:JI9hoq9wC6uGlB/xg9
Malware Config
Signatures
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Glupteba payload 6 IoCs
resource yara_rule behavioral2/memory/2488-2-0x0000000002E50000-0x000000000373B000-memory.dmp family_glupteba behavioral2/memory/2488-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2488-74-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2488-76-0x0000000002E50000-0x000000000373B000-memory.dmp family_glupteba behavioral2/memory/5012-125-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3096-201-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3748 netsh.exe -
Executes dropped EXE 2 IoCs
pid Process 3096 csrss.exe 4812 injector.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe Set value (str) \REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\rss f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe File created C:\Windows\rss\csrss.exe f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe -
pid Process 3212 powershell.exe 4044 powershell.exe 4844 powershell.exe 3008 powershell.exe 976 powershell.exe 3380 powershell.exe 1832 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 4564 schtasks.exe 2612 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,-2941 = "Sao Tome Daylight Time" f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time" f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1842 = "Russia TZ 4 Standard Time" f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time" f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs 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,-222 = "Alaskan Standard Time" f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time" f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time" f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2571 = "Turks and Caicos Daylight Time" f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time" f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time" f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs 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,-2062 = "North Korea Standard Time" f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates 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\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time" f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time" f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates 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,-2611 = "Bougainville Daylight Time" f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time" f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-431 = "Iran Daylight Time" f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time" f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time" f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.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,-172 = "Central Standard Time (Mexico)" f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.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 powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time" f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time" f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time" f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 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,-221 = "Alaskan Daylight Time" f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time" f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time" f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time" f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe -
Suspicious behavior: EnumeratesProcesses 44 IoCs
pid Process 3212 powershell.exe 3212 powershell.exe 2488 f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe 2488 f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe 4044 powershell.exe 4044 powershell.exe 5012 f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe 5012 f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe 5012 f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe 5012 f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe 5012 f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe 5012 f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe 5012 f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe 5012 f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe 5012 f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe 5012 f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe 4844 powershell.exe 4844 powershell.exe 3008 powershell.exe 3008 powershell.exe 976 powershell.exe 976 powershell.exe 3380 powershell.exe 3380 powershell.exe 1832 powershell.exe 1832 powershell.exe 4812 injector.exe 4812 injector.exe 4812 injector.exe 4812 injector.exe 4812 injector.exe 4812 injector.exe 3096 csrss.exe 3096 csrss.exe 4812 injector.exe 4812 injector.exe 4812 injector.exe 4812 injector.exe 4812 injector.exe 4812 injector.exe 3096 csrss.exe 3096 csrss.exe 4812 injector.exe 4812 injector.exe -
Suspicious use of AdjustPrivilegeToken 10 IoCs
description pid Process Token: SeDebugPrivilege 3212 powershell.exe Token: SeDebugPrivilege 2488 f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe Token: SeImpersonatePrivilege 2488 f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe Token: SeDebugPrivilege 4044 powershell.exe Token: SeDebugPrivilege 4844 powershell.exe Token: SeDebugPrivilege 3008 powershell.exe Token: SeDebugPrivilege 976 powershell.exe Token: SeDebugPrivilege 3380 powershell.exe Token: SeDebugPrivilege 1832 powershell.exe Token: SeSystemEnvironmentPrivilege 3096 csrss.exe -
Suspicious use of WriteProcessMemory 30 IoCs
description pid Process procid_target PID 2488 wrote to memory of 3212 2488 f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe 81 PID 2488 wrote to memory of 3212 2488 f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe 81 PID 2488 wrote to memory of 3212 2488 f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe 81 PID 5012 wrote to memory of 4044 5012 f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe 87 PID 5012 wrote to memory of 4044 5012 f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe 87 PID 5012 wrote to memory of 4044 5012 f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe 87 PID 5012 wrote to memory of 2828 5012 f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe 89 PID 5012 wrote to memory of 2828 5012 f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe 89 PID 2828 wrote to memory of 3748 2828 cmd.exe 91 PID 2828 wrote to memory of 3748 2828 cmd.exe 91 PID 5012 wrote to memory of 4844 5012 f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe 92 PID 5012 wrote to memory of 4844 5012 f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe 92 PID 5012 wrote to memory of 4844 5012 f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe 92 PID 5012 wrote to memory of 3008 5012 f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe 94 PID 5012 wrote to memory of 3008 5012 f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe 94 PID 5012 wrote to memory of 3008 5012 f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe 94 PID 5012 wrote to memory of 3096 5012 f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe 96 PID 5012 wrote to memory of 3096 5012 f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe 96 PID 5012 wrote to memory of 3096 5012 f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe 96 PID 3096 wrote to memory of 976 3096 csrss.exe 97 PID 3096 wrote to memory of 976 3096 csrss.exe 97 PID 3096 wrote to memory of 976 3096 csrss.exe 97 PID 3096 wrote to memory of 3380 3096 csrss.exe 102 PID 3096 wrote to memory of 3380 3096 csrss.exe 102 PID 3096 wrote to memory of 3380 3096 csrss.exe 102 PID 3096 wrote to memory of 1832 3096 csrss.exe 105 PID 3096 wrote to memory of 1832 3096 csrss.exe 105 PID 3096 wrote to memory of 1832 3096 csrss.exe 105 PID 3096 wrote to memory of 4812 3096 csrss.exe 107 PID 3096 wrote to memory of 4812 3096 csrss.exe 107 -
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\f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe"C:\Users\Admin\AppData\Local\Temp\f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2488 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3212
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C:\Users\Admin\AppData\Local\Temp\f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.exe"C:\Users\Admin\AppData\Local\Temp\f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8.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:5012 -
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:4044
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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:2828 -
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:3748
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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:4844
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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:3008
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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:3096 -
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:976
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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:4564
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:800
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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:\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:1832
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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:4812
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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:2612
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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
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d0355e150e7c41ee9e8fe023102cd3ac
SHA1856e69a43816a09c65fbe9f62128207bd5249248
SHA25688975977633905ee886472e31978c58e3d5ebde3bfb6c6f4ab2308fc569ea5d1
SHA512ba78a77fa23939493064e4d48dc6868325d52ba3db684d036e521887256aff5aed7ff0a175acb9b79530e3ff481e4f7666d8916b32157f3fbee7897ae6de28d6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5fab58d54d947b656e3a03706b23e788d
SHA173bdc4d2ce84dd22436be5f6b2bb0d9a15454d35
SHA256437d3f04320ca1f84ca037f49d592bf9ec74d191be136a2a1cef88a273d5ff56
SHA512cc9fa3cdd6021e79654312312dc80e29e7248738c99a83d6fee114777a4d86ed1d11b026266f0b1d5ebdb82d95084b1b28ee8bdc5e4fb53a786bd29ba3f5377e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD566c31d8737c49628aa28b8cb33c571c2
SHA1b05fa7ad0e5a5d2dc2911f56effab42c04ab4909
SHA256c5f368ff5c409180a1e6a51bec96814a08b1e3d9b759443e49b23809c910c3f2
SHA5124bb4bbfa295fa31fb60a3890cfdfe1e77708f0235491c8395fe11f250f5d29cbdd4a9211171e965899b7504b1d96b790984e2ddfb6a388257d27a007e8ec6806
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD574323f6809df9a54db624a1b8e5c9f07
SHA11f144e5da1dd599986b3fbc7c7135d28c4bf51f1
SHA2560e0aea2f71008d411d0b738511cd43303598459c0a70a91288db968e8b78ffc1
SHA5126bef8b0d689eadbc3fc98b4011df67eca723549be324f5bfd7b53e519a5d2650d7a5b91040bd67de6736cca0f67a3dda9155d6077d55011dd670dbcef678d44e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e0f73bcb0bf0a808a1c52fe62e4d1c08
SHA15443ff1da2829cf9bf270a1e423649ef0f507a53
SHA256f40d5a53f29e1d300e334f05bb18e6279aa1cb8dbb53f9f11e9991c9ac179a4e
SHA512a95b22bacfd0ee8ee2d81c492258a0e00bbb0b5ae6cd8206d5100f195ba344b7d3c04f2bc1e725e18e9bb0692db42936b980bdbb2bffa7cb8ab8761b475e886b
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Filesize
4.1MB
MD5d7d147cfa65fd2d6347d667ca24ee34a
SHA10534a2c89750d3d1ba3620cba6bf0b2bbae69215
SHA256f3e6369b79f26a63c22b033973a2964715862a2b3706d4bd063f6d93534c23a8
SHA512faecf35812edf851110b9f7f2710437460d8173187342a5437d752ce690798c55b21689bd6d67c7dc1bb26a0d3cb20350e077a11ea57b7f7f6fed2213d7868e4