Analysis
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max time kernel
149s -
max time network
142s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-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 19 IoCs
resource yara_rule behavioral1/memory/216-2-0x0000000002D70000-0x000000000365B000-memory.dmp family_glupteba behavioral1/memory/216-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/216-54-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/216-55-0x0000000002D70000-0x000000000365B000-memory.dmp family_glupteba behavioral1/memory/2840-119-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2840-135-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4148-215-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4148-230-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4148-231-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4148-233-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4148-235-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4148-238-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4148-239-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4148-241-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4148-243-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4148-246-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4148-247-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4148-249-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4148-251-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4268 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4148 csrss.exe 3428 injector.exe 1772 windefender.exe 2044 windefender.exe -
resource yara_rule behavioral1/files/0x0009000000022ae1-223.dat upx behavioral1/memory/1772-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2044-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1772-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2044-232-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2044-236-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 8d9459dbefdbcc8ba684016669437be04234e8889fb5d41b93ff08288de08c8f.exe Set value (str) \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created 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 3836 sc.exe -
pid Process 3088 powershell.exe 3352 powershell.exe 668 powershell.exe 1100 powershell.exe 2704 powershell.exe 1840 powershell.exe 3656 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 3040 schtasks.exe 1164 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,-1932 = "Russia TZ 11 Standard Time" 8d9459dbefdbcc8ba684016669437be04234e8889fb5d41b93ff08288de08c8f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-449 = "Azerbaijan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1842 = "Russia TZ 4 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-352 = "FLE Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-182 = "Mountain Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2942 = "Sao Tome Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" 8d9459dbefdbcc8ba684016669437be04234e8889fb5d41b93ff08288de08c8f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1502 = "Turkey Standard Time" windefender.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 Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-621 = "Korea Daylight Time" windefender.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,-211 = "Pacific Daylight Time" 8d9459dbefdbcc8ba684016669437be04234e8889fb5d41b93ff08288de08c8f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo 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\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-342 = "Egypt Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-962 = "Paraguay Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time" 8d9459dbefdbcc8ba684016669437be04234e8889fb5d41b93ff08288de08c8f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-432 = "Iran Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time" 8d9459dbefdbcc8ba684016669437be04234e8889fb5d41b93ff08288de08c8f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2941 = "Sao Tome Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time" 8d9459dbefdbcc8ba684016669437be04234e8889fb5d41b93ff08288de08c8f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" 8d9459dbefdbcc8ba684016669437be04234e8889fb5d41b93ff08288de08c8f.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2512 = "Lord Howe Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root 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\Disallowed powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-392 = "Arab Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time" 8d9459dbefdbcc8ba684016669437be04234e8889fb5d41b93ff08288de08c8f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-448 = "Azerbaijan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-252 = "Dateline Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-131 = "US Eastern Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov 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\@tzres.dll,-282 = "Central Europe 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\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" 8d9459dbefdbcc8ba684016669437be04234e8889fb5d41b93ff08288de08c8f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2372 = "Easter Island Standard Time" windefender.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\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" 8d9459dbefdbcc8ba684016669437be04234e8889fb5d41b93ff08288de08c8f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time" 8d9459dbefdbcc8ba684016669437be04234e8889fb5d41b93ff08288de08c8f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time" 8d9459dbefdbcc8ba684016669437be04234e8889fb5d41b93ff08288de08c8f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" 8d9459dbefdbcc8ba684016669437be04234e8889fb5d41b93ff08288de08c8f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" 8d9459dbefdbcc8ba684016669437be04234e8889fb5d41b93ff08288de08c8f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3141 = "South Sudan Daylight Time" 8d9459dbefdbcc8ba684016669437be04234e8889fb5d41b93ff08288de08c8f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time" 8d9459dbefdbcc8ba684016669437be04234e8889fb5d41b93ff08288de08c8f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3352 powershell.exe 3352 powershell.exe 216 8d9459dbefdbcc8ba684016669437be04234e8889fb5d41b93ff08288de08c8f.exe 216 8d9459dbefdbcc8ba684016669437be04234e8889fb5d41b93ff08288de08c8f.exe 668 powershell.exe 668 powershell.exe 2840 8d9459dbefdbcc8ba684016669437be04234e8889fb5d41b93ff08288de08c8f.exe 2840 8d9459dbefdbcc8ba684016669437be04234e8889fb5d41b93ff08288de08c8f.exe 2840 8d9459dbefdbcc8ba684016669437be04234e8889fb5d41b93ff08288de08c8f.exe 2840 8d9459dbefdbcc8ba684016669437be04234e8889fb5d41b93ff08288de08c8f.exe 2840 8d9459dbefdbcc8ba684016669437be04234e8889fb5d41b93ff08288de08c8f.exe 2840 8d9459dbefdbcc8ba684016669437be04234e8889fb5d41b93ff08288de08c8f.exe 2840 8d9459dbefdbcc8ba684016669437be04234e8889fb5d41b93ff08288de08c8f.exe 2840 8d9459dbefdbcc8ba684016669437be04234e8889fb5d41b93ff08288de08c8f.exe 2840 8d9459dbefdbcc8ba684016669437be04234e8889fb5d41b93ff08288de08c8f.exe 2840 8d9459dbefdbcc8ba684016669437be04234e8889fb5d41b93ff08288de08c8f.exe 1100 powershell.exe 1100 powershell.exe 2704 powershell.exe 2704 powershell.exe 1840 powershell.exe 1840 powershell.exe 3656 powershell.exe 3656 powershell.exe 3088 powershell.exe 3088 powershell.exe 3428 injector.exe 3428 injector.exe 3428 injector.exe 3428 injector.exe 3428 injector.exe 3428 injector.exe 4148 csrss.exe 4148 csrss.exe 3428 injector.exe 3428 injector.exe 3428 injector.exe 3428 injector.exe 3428 injector.exe 3428 injector.exe 4148 csrss.exe 4148 csrss.exe 3428 injector.exe 3428 injector.exe 4148 csrss.exe 4148 csrss.exe 3428 injector.exe 3428 injector.exe 3428 injector.exe 3428 injector.exe 3428 injector.exe 3428 injector.exe 3428 injector.exe 3428 injector.exe 3428 injector.exe 3428 injector.exe 3428 injector.exe 3428 injector.exe 3428 injector.exe 3428 injector.exe 3428 injector.exe 3428 injector.exe 3428 injector.exe 3428 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3352 powershell.exe Token: SeDebugPrivilege 216 8d9459dbefdbcc8ba684016669437be04234e8889fb5d41b93ff08288de08c8f.exe Token: SeImpersonatePrivilege 216 8d9459dbefdbcc8ba684016669437be04234e8889fb5d41b93ff08288de08c8f.exe Token: SeDebugPrivilege 668 powershell.exe Token: SeDebugPrivilege 1100 powershell.exe Token: SeDebugPrivilege 2704 powershell.exe Token: SeDebugPrivilege 1840 powershell.exe Token: SeDebugPrivilege 3656 powershell.exe Token: SeDebugPrivilege 3088 powershell.exe Token: SeSystemEnvironmentPrivilege 4148 csrss.exe Token: SeSecurityPrivilege 3836 sc.exe Token: SeSecurityPrivilege 3836 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 216 wrote to memory of 3352 216 8d9459dbefdbcc8ba684016669437be04234e8889fb5d41b93ff08288de08c8f.exe 87 PID 216 wrote to memory of 3352 216 8d9459dbefdbcc8ba684016669437be04234e8889fb5d41b93ff08288de08c8f.exe 87 PID 216 wrote to memory of 3352 216 8d9459dbefdbcc8ba684016669437be04234e8889fb5d41b93ff08288de08c8f.exe 87 PID 2840 wrote to memory of 668 2840 8d9459dbefdbcc8ba684016669437be04234e8889fb5d41b93ff08288de08c8f.exe 98 PID 2840 wrote to memory of 668 2840 8d9459dbefdbcc8ba684016669437be04234e8889fb5d41b93ff08288de08c8f.exe 98 PID 2840 wrote to memory of 668 2840 8d9459dbefdbcc8ba684016669437be04234e8889fb5d41b93ff08288de08c8f.exe 98 PID 2840 wrote to memory of 4312 2840 8d9459dbefdbcc8ba684016669437be04234e8889fb5d41b93ff08288de08c8f.exe 101 PID 2840 wrote to memory of 4312 2840 8d9459dbefdbcc8ba684016669437be04234e8889fb5d41b93ff08288de08c8f.exe 101 PID 4312 wrote to memory of 4268 4312 cmd.exe 103 PID 4312 wrote to memory of 4268 4312 cmd.exe 103 PID 2840 wrote to memory of 1100 2840 8d9459dbefdbcc8ba684016669437be04234e8889fb5d41b93ff08288de08c8f.exe 104 PID 2840 wrote to memory of 1100 2840 8d9459dbefdbcc8ba684016669437be04234e8889fb5d41b93ff08288de08c8f.exe 104 PID 2840 wrote to memory of 1100 2840 8d9459dbefdbcc8ba684016669437be04234e8889fb5d41b93ff08288de08c8f.exe 104 PID 2840 wrote to memory of 2704 2840 8d9459dbefdbcc8ba684016669437be04234e8889fb5d41b93ff08288de08c8f.exe 106 PID 2840 wrote to memory of 2704 2840 8d9459dbefdbcc8ba684016669437be04234e8889fb5d41b93ff08288de08c8f.exe 106 PID 2840 wrote to memory of 2704 2840 8d9459dbefdbcc8ba684016669437be04234e8889fb5d41b93ff08288de08c8f.exe 106 PID 2840 wrote to memory of 4148 2840 8d9459dbefdbcc8ba684016669437be04234e8889fb5d41b93ff08288de08c8f.exe 108 PID 2840 wrote to memory of 4148 2840 8d9459dbefdbcc8ba684016669437be04234e8889fb5d41b93ff08288de08c8f.exe 108 PID 2840 wrote to memory of 4148 2840 8d9459dbefdbcc8ba684016669437be04234e8889fb5d41b93ff08288de08c8f.exe 108 PID 4148 wrote to memory of 1840 4148 csrss.exe 109 PID 4148 wrote to memory of 1840 4148 csrss.exe 109 PID 4148 wrote to memory of 1840 4148 csrss.exe 109 PID 4148 wrote to memory of 3656 4148 csrss.exe 115 PID 4148 wrote to memory of 3656 4148 csrss.exe 115 PID 4148 wrote to memory of 3656 4148 csrss.exe 115 PID 4148 wrote to memory of 3088 4148 csrss.exe 117 PID 4148 wrote to memory of 3088 4148 csrss.exe 117 PID 4148 wrote to memory of 3088 4148 csrss.exe 117 PID 4148 wrote to memory of 3428 4148 csrss.exe 120 PID 4148 wrote to memory of 3428 4148 csrss.exe 120 PID 1772 wrote to memory of 2296 1772 windefender.exe 127 PID 1772 wrote to memory of 2296 1772 windefender.exe 127 PID 1772 wrote to memory of 2296 1772 windefender.exe 127 PID 2296 wrote to memory of 3836 2296 cmd.exe 128 PID 2296 wrote to memory of 3836 2296 cmd.exe 128 PID 2296 wrote to memory of 3836 2296 cmd.exe 128 -
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:216 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3352
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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:2840 -
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:668
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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:4312 -
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:4268
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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:1100
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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:2704
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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:4148 -
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:1840
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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:1164
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4976
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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:3656
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3088
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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:3428
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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:3040
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1772 -
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:2296 -
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:3836
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2044
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54bfb9ea0ee991c6c8d5d37012120ecbe
SHA1e61e4977a74b4756bf7385b025966dcd712cadf1
SHA2561074409653e68f3d3587ed44408722cdb191388cb422cf0e7eab6b6bff6cbd08
SHA5121f99e6afc39a9beec2a66bcac7090eb4401d1906a862ff0ee4e1f2fac573f5e86faf9dd10a80f4737f81f595efbe9d982d3d19cf41cd18cb34244f5a7241ddff
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57b6d2da59c85fe84e2f0fd33c3eab968
SHA1a768b0ed88e3b291159c51bb06f712a7bab5074b
SHA25610cd11d13bd79990052c38d964e95f646de01107d89cbb98ca4adfe51604e396
SHA51254f53e7ed3e2732f37eacc7a1e8d70a8a2f2f561dcfe331050ca6624e29efb259f018875c8ef355a61edcfca757c153bc580059c36c3eaba81d8cb23d324ae88
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD596ab6b67689b5781c589f7b4f6791df0
SHA1d8cd24e40221c7661f2adbe1df9eb2486633c6d2
SHA256622fd8620b19291d25a6e4e5377a45c83836ad42a0d9630f43f8da4e731d5163
SHA512d4dd0c81c07f7162c7545f6a0aff93a4900ec8081a8d9a7d790ad24c81c4ae74ba372223690dacb2042bde928265b3436b5370ca8542ef06c5dd76b22db0d275
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54f012061e55957ff824bad7f579152bc
SHA1b43ffb45d7bd0f095c2a341aed75a499e9bea0cf
SHA256d0c3a9b0bbcc05514ac16058c1e0051f495eb988d7a387ef21b50aef9b42af92
SHA512523e9491837a55674b173b80aa8fb4b671781134352311ec7cded49de8cabaf9826f03a83d8aaaf76c16159f41ec4bb7be792562bad9c359f0c0d84ae960dba9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c253ab42b0b0f8780ec0aeaa459be70c
SHA185cd358e4d80b674f7db381f1273e7d2af7d61bd
SHA2561d2b4bd9cfef36814124de4be629beece524ff03ba879fd5725949cac4f507d6
SHA512f2db4018158e6ac877e18260e71f77965677b3132c6719df192642dd9a09c6950a8d6b779a6230770d9cc2e8923e6bfaf34dfc95f54b4d5fd7825193527d1c63
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Filesize
4.1MB
MD565c9fda7c255881d9deb74f1c5a732e2
SHA198eab99d62ab9d0f224ac1b6e505263c59302b5d
SHA2568d9459dbefdbcc8ba684016669437be04234e8889fb5d41b93ff08288de08c8f
SHA512b7ab38633999559183103f915c4f436d7fdbcd75de249c7b01886b0b33f10c9954942e23c96868817930cb26e886558db2ded788457d3fbc0b1be0f2e10374ef
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec