Analysis
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max time kernel
149s -
max time network
155s -
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, 10:43
Static task
static1
Behavioral task
behavioral1
Sample
8d9459dbefdbcc8ba684016669437be04234e8889fb5d41b93ff08288de08c8f.exe
Resource
win10v2004-20240508-en
General
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Target
8d9459dbefdbcc8ba684016669437be04234e8889fb5d41b93ff08288de08c8f.exe
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Size
4.1MB
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MD5
65c9fda7c255881d9deb74f1c5a732e2
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SHA1
98eab99d62ab9d0f224ac1b6e505263c59302b5d
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SHA256
8d9459dbefdbcc8ba684016669437be04234e8889fb5d41b93ff08288de08c8f
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SHA512
b7ab38633999559183103f915c4f436d7fdbcd75de249c7b01886b0b33f10c9954942e23c96868817930cb26e886558db2ded788457d3fbc0b1be0f2e10374ef
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SSDEEP
98304:dBH5QtHgtXZGwxAeX68LG3wNCsYjHyiS0gsLIyJOWEFSdaDQG3a9ntF:dBZQtHgtXlxHq4G3ixkyiJTOnSQDy9nT
Malware Config
Signatures
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Glupteba payload 17 IoCs
resource yara_rule behavioral2/memory/3472-2-0x0000000002E20000-0x000000000370B000-memory.dmp family_glupteba behavioral2/memory/3472-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3472-73-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3472-76-0x0000000002E20000-0x000000000370B000-memory.dmp family_glupteba behavioral2/memory/4132-128-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4772-198-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4772-207-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4772-218-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4772-222-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4772-226-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4772-230-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4772-234-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4772-238-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4772-242-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4772-246-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4772-250-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4772-254-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1984 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4772 csrss.exe 2908 injector.exe 652 windefender.exe 3536 windefender.exe -
resource yara_rule behavioral2/files/0x001a00000002ab42-210.dat upx behavioral2/memory/652-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3536-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/652-215-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3536-219-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3536-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 8d9459dbefdbcc8ba684016669437be04234e8889fb5d41b93ff08288de08c8f.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 8d9459dbefdbcc8ba684016669437be04234e8889fb5d41b93ff08288de08c8f.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 8d9459dbefdbcc8ba684016669437be04234e8889fb5d41b93ff08288de08c8f.exe File created C:\Windows\rss\csrss.exe 8d9459dbefdbcc8ba684016669437be04234e8889fb5d41b93ff08288de08c8f.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 1504 sc.exe -
pid Process 5116 powershell.exe 4476 powershell.exe 2400 powershell.exe 2192 powershell.exe 2596 powershell.exe 2832 powershell.exe 4780 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 2924 schtasks.exe 860 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\@tzres.dll,-2611 = "Bougainville Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2371 = "Easter Island Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time" 8d9459dbefdbcc8ba684016669437be04234e8889fb5d41b93ff08288de08c8f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time" 8d9459dbefdbcc8ba684016669437be04234e8889fb5d41b93ff08288de08c8f.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\@tzres.dll,-2612 = "Bougainville Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time" 8d9459dbefdbcc8ba684016669437be04234e8889fb5d41b93ff08288de08c8f.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,-1472 = "Magadan Standard Time" 8d9459dbefdbcc8ba684016669437be04234e8889fb5d41b93ff08288de08c8f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot 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\@tzres.dll,-1971 = "Belarus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-631 = "Tokyo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time" 8d9459dbefdbcc8ba684016669437be04234e8889fb5d41b93ff08288de08c8f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs 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\@tzres.dll,-541 = "Myanmar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" 8d9459dbefdbcc8ba684016669437be04234e8889fb5d41b93ff08288de08c8f.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" 8d9459dbefdbcc8ba684016669437be04234e8889fb5d41b93ff08288de08c8f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-502 = "Nepal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-872 = "Pakistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2392 = "Aleutian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2062 = "North Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time" 8d9459dbefdbcc8ba684016669437be04234e8889fb5d41b93ff08288de08c8f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\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\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-232 = "Hawaiian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-372 = "Jerusalem Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-371 = "Jerusalem Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time" 8d9459dbefdbcc8ba684016669437be04234e8889fb5d41b93ff08288de08c8f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1872 = "Russia TZ 7 Standard Time" 8d9459dbefdbcc8ba684016669437be04234e8889fb5d41b93ff08288de08c8f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2412 = "Marquesas Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1471 = "Magadan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time" 8d9459dbefdbcc8ba684016669437be04234e8889fb5d41b93ff08288de08c8f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" 8d9459dbefdbcc8ba684016669437be04234e8889fb5d41b93ff08288de08c8f.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\@tzres.dll,-571 = "China Daylight Time" windefender.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\@tzres.dll,-461 = "Afghanistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-142 = "Canada Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-292 = "Central European Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" 8d9459dbefdbcc8ba684016669437be04234e8889fb5d41b93ff08288de08c8f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time" 8d9459dbefdbcc8ba684016669437be04234e8889fb5d41b93ff08288de08c8f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-261 = "GMT Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-981 = "Kamchatka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2511 = "Lord Howe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2411 = "Marquesas Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs 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,-1022 = "Bangladesh Standard Time" 8d9459dbefdbcc8ba684016669437be04234e8889fb5d41b93ff08288de08c8f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" 8d9459dbefdbcc8ba684016669437be04234e8889fb5d41b93ff08288de08c8f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" 8d9459dbefdbcc8ba684016669437be04234e8889fb5d41b93ff08288de08c8f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-272 = "Greenwich Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3051 = "Qyzylorda Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 5116 powershell.exe 5116 powershell.exe 3472 8d9459dbefdbcc8ba684016669437be04234e8889fb5d41b93ff08288de08c8f.exe 3472 8d9459dbefdbcc8ba684016669437be04234e8889fb5d41b93ff08288de08c8f.exe 4476 powershell.exe 4476 powershell.exe 4132 8d9459dbefdbcc8ba684016669437be04234e8889fb5d41b93ff08288de08c8f.exe 4132 8d9459dbefdbcc8ba684016669437be04234e8889fb5d41b93ff08288de08c8f.exe 4132 8d9459dbefdbcc8ba684016669437be04234e8889fb5d41b93ff08288de08c8f.exe 4132 8d9459dbefdbcc8ba684016669437be04234e8889fb5d41b93ff08288de08c8f.exe 4132 8d9459dbefdbcc8ba684016669437be04234e8889fb5d41b93ff08288de08c8f.exe 4132 8d9459dbefdbcc8ba684016669437be04234e8889fb5d41b93ff08288de08c8f.exe 4132 8d9459dbefdbcc8ba684016669437be04234e8889fb5d41b93ff08288de08c8f.exe 4132 8d9459dbefdbcc8ba684016669437be04234e8889fb5d41b93ff08288de08c8f.exe 4132 8d9459dbefdbcc8ba684016669437be04234e8889fb5d41b93ff08288de08c8f.exe 4132 8d9459dbefdbcc8ba684016669437be04234e8889fb5d41b93ff08288de08c8f.exe 2400 powershell.exe 2400 powershell.exe 2192 powershell.exe 2192 powershell.exe 2596 powershell.exe 2596 powershell.exe 2832 powershell.exe 2832 powershell.exe 4780 powershell.exe 4780 powershell.exe 2908 injector.exe 2908 injector.exe 2908 injector.exe 2908 injector.exe 2908 injector.exe 2908 injector.exe 4772 csrss.exe 4772 csrss.exe 2908 injector.exe 2908 injector.exe 2908 injector.exe 2908 injector.exe 2908 injector.exe 2908 injector.exe 4772 csrss.exe 4772 csrss.exe 2908 injector.exe 2908 injector.exe 2908 injector.exe 2908 injector.exe 2908 injector.exe 2908 injector.exe 4772 csrss.exe 4772 csrss.exe 2908 injector.exe 2908 injector.exe 2908 injector.exe 2908 injector.exe 2908 injector.exe 2908 injector.exe 2908 injector.exe 2908 injector.exe 2908 injector.exe 2908 injector.exe 2908 injector.exe 2908 injector.exe 2908 injector.exe 2908 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 5116 powershell.exe Token: SeDebugPrivilege 3472 8d9459dbefdbcc8ba684016669437be04234e8889fb5d41b93ff08288de08c8f.exe Token: SeImpersonatePrivilege 3472 8d9459dbefdbcc8ba684016669437be04234e8889fb5d41b93ff08288de08c8f.exe Token: SeDebugPrivilege 4476 powershell.exe Token: SeDebugPrivilege 2400 powershell.exe Token: SeDebugPrivilege 2192 powershell.exe Token: SeDebugPrivilege 2596 powershell.exe Token: SeDebugPrivilege 2832 powershell.exe Token: SeDebugPrivilege 4780 powershell.exe Token: SeSystemEnvironmentPrivilege 4772 csrss.exe Token: SeSecurityPrivilege 1504 sc.exe Token: SeSecurityPrivilege 1504 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3472 wrote to memory of 5116 3472 8d9459dbefdbcc8ba684016669437be04234e8889fb5d41b93ff08288de08c8f.exe 82 PID 3472 wrote to memory of 5116 3472 8d9459dbefdbcc8ba684016669437be04234e8889fb5d41b93ff08288de08c8f.exe 82 PID 3472 wrote to memory of 5116 3472 8d9459dbefdbcc8ba684016669437be04234e8889fb5d41b93ff08288de08c8f.exe 82 PID 4132 wrote to memory of 4476 4132 8d9459dbefdbcc8ba684016669437be04234e8889fb5d41b93ff08288de08c8f.exe 87 PID 4132 wrote to memory of 4476 4132 8d9459dbefdbcc8ba684016669437be04234e8889fb5d41b93ff08288de08c8f.exe 87 PID 4132 wrote to memory of 4476 4132 8d9459dbefdbcc8ba684016669437be04234e8889fb5d41b93ff08288de08c8f.exe 87 PID 4132 wrote to memory of 5044 4132 8d9459dbefdbcc8ba684016669437be04234e8889fb5d41b93ff08288de08c8f.exe 89 PID 4132 wrote to memory of 5044 4132 8d9459dbefdbcc8ba684016669437be04234e8889fb5d41b93ff08288de08c8f.exe 89 PID 5044 wrote to memory of 1984 5044 cmd.exe 91 PID 5044 wrote to memory of 1984 5044 cmd.exe 91 PID 4132 wrote to memory of 2400 4132 8d9459dbefdbcc8ba684016669437be04234e8889fb5d41b93ff08288de08c8f.exe 92 PID 4132 wrote to memory of 2400 4132 8d9459dbefdbcc8ba684016669437be04234e8889fb5d41b93ff08288de08c8f.exe 92 PID 4132 wrote to memory of 2400 4132 8d9459dbefdbcc8ba684016669437be04234e8889fb5d41b93ff08288de08c8f.exe 92 PID 4132 wrote to memory of 2192 4132 8d9459dbefdbcc8ba684016669437be04234e8889fb5d41b93ff08288de08c8f.exe 94 PID 4132 wrote to memory of 2192 4132 8d9459dbefdbcc8ba684016669437be04234e8889fb5d41b93ff08288de08c8f.exe 94 PID 4132 wrote to memory of 2192 4132 8d9459dbefdbcc8ba684016669437be04234e8889fb5d41b93ff08288de08c8f.exe 94 PID 4132 wrote to memory of 4772 4132 8d9459dbefdbcc8ba684016669437be04234e8889fb5d41b93ff08288de08c8f.exe 96 PID 4132 wrote to memory of 4772 4132 8d9459dbefdbcc8ba684016669437be04234e8889fb5d41b93ff08288de08c8f.exe 96 PID 4132 wrote to memory of 4772 4132 8d9459dbefdbcc8ba684016669437be04234e8889fb5d41b93ff08288de08c8f.exe 96 PID 4772 wrote to memory of 2596 4772 csrss.exe 97 PID 4772 wrote to memory of 2596 4772 csrss.exe 97 PID 4772 wrote to memory of 2596 4772 csrss.exe 97 PID 4772 wrote to memory of 2832 4772 csrss.exe 102 PID 4772 wrote to memory of 2832 4772 csrss.exe 102 PID 4772 wrote to memory of 2832 4772 csrss.exe 102 PID 4772 wrote to memory of 4780 4772 csrss.exe 105 PID 4772 wrote to memory of 4780 4772 csrss.exe 105 PID 4772 wrote to memory of 4780 4772 csrss.exe 105 PID 4772 wrote to memory of 2908 4772 csrss.exe 107 PID 4772 wrote to memory of 2908 4772 csrss.exe 107 PID 652 wrote to memory of 2784 652 windefender.exe 113 PID 652 wrote to memory of 2784 652 windefender.exe 113 PID 652 wrote to memory of 2784 652 windefender.exe 113 PID 2784 wrote to memory of 1504 2784 cmd.exe 114 PID 2784 wrote to memory of 1504 2784 cmd.exe 114 PID 2784 wrote to memory of 1504 2784 cmd.exe 114 -
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\8d9459dbefdbcc8ba684016669437be04234e8889fb5d41b93ff08288de08c8f.exe"C:\Users\Admin\AppData\Local\Temp\8d9459dbefdbcc8ba684016669437be04234e8889fb5d41b93ff08288de08c8f.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3472 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5116
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C:\Users\Admin\AppData\Local\Temp\8d9459dbefdbcc8ba684016669437be04234e8889fb5d41b93ff08288de08c8f.exe"C:\Users\Admin\AppData\Local\Temp\8d9459dbefdbcc8ba684016669437be04234e8889fb5d41b93ff08288de08c8f.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:4132 -
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:4476
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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:5044 -
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:1984
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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:2400
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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:2192
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C:\Windows\rss\csrss.exeC:\Windows\rss\csrss.exe3⤵
- Executes dropped EXE
- Adds Run key to start application
- Manipulates WinMonFS driver.
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4772 -
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:2596
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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:860
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3096
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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:2832
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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:4780
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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:2908
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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:2924
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:652 -
C:\Windows\SysWOW64\cmd.execmd.exe /C sc sdset WinDefender D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPLOCRSDRCWDWO;;;BA)(D;;WPDT;;;BA)(A;;CCLCSWLOCRRC;;;IU)(A;;CCLCSWLOCRRC;;;SU)S:(AU;FA;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;WD)5⤵
- Suspicious use of WriteProcessMemory
PID:2784 -
C:\Windows\SysWOW64\sc.exesc sdset WinDefender D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPLOCRSDRCWDWO;;;BA)(D;;WPDT;;;BA)(A;;CCLCSWLOCRRC;;;IU)(A;;CCLCSWLOCRRC;;;SU)S:(AU;FA;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;WD)6⤵
- Launches sc.exe
- Suspicious use of AdjustPrivilegeToken
PID:1504
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3536
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
MD55b214c7ac698cfc9d4cdee76f8db961b
SHA1d0c8a6edb17e662ce27fb01376686530355ca711
SHA2561b140aab7da24b03ed1733ef5c103b8c1d5d62b9a424caee91bd511d2e6aab77
SHA51246531309a2434d5328c88c43f47a7a077bfcdd48b6d9ccc3b7c8eaede9485ffc79b4fed5637dbf9fbae85493863aa69c62fd323c7993da3b7f531fff0d7fb052
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56aca311d419b712070a7973aebc4d2c8
SHA1e24a37d4a70b7ef7aa308f09d320fe458d212586
SHA25630d5a22e7fa725858cfda0eddfe3b01e6af9f65b9880d2d6c01f123cfda4606b
SHA51240b827b7b6bccec336b47e3486519856575c9f2f038b9c24850a0cc2af0d2d8a47dcad7fcbbbd228454f4f07675d69c6ba137bf3a4c12ce1318d898002c87313
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5241adab59f94cfff965e7d4cf7b850ef
SHA14eaff9e54883e79510434b7fd7f0af35777cd143
SHA2565bdd3b9287a6d128383221de2abb6d0f5a3422704f4984fe1e3e74f486dad245
SHA512344cec5fdaa114c7a8b7fa89952d2ee80ed55c71c151ea803c896a58377adbca0e58f8d6cd58b45f64ccab586a4808d29492fd87a36efb5623c858f5404da26e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e1e87c1aaf594d10f9f2101db909136e
SHA1000df92468b9ed4da4a9448e13caf6c633df1c83
SHA25647932bcb67391c53c09a371f2a1d25ac116ef36de4a67f9d21abcd2e76d7b76b
SHA5128adfcc095edd2535383a99f87a57b3d1079c30d252de1eee045fa27669699d3ec301bcddbfe904501e3335f7287be3191d54c5b778c3dbab2cd75cff96a38dae
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d7687f235a79890b9d1add17833fd288
SHA18abd391aae75514316ecb21b1a673ee2e7fa3f04
SHA256f6d29140732300876dad7e4dd7823d79fc5cb952c203c61e4ba86fd598e68bd3
SHA5126977483dc632ac0e3133219cf5d422995d3a2540e6844385b0c3a41966714c210a0c11fcc70293f36ae5a5b873b93e4c0d14f31252b7da802dfbb7acd4101051
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Filesize
4.1MB
MD565c9fda7c255881d9deb74f1c5a732e2
SHA198eab99d62ab9d0f224ac1b6e505263c59302b5d
SHA2568d9459dbefdbcc8ba684016669437be04234e8889fb5d41b93ff08288de08c8f
SHA512b7ab38633999559183103f915c4f436d7fdbcd75de249c7b01886b0b33f10c9954942e23c96868817930cb26e886558db2ded788457d3fbc0b1be0f2e10374ef
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec