Analysis
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max time kernel
150s -
max time network
139s -
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, 19:21
Static task
static1
Behavioral task
behavioral1
Sample
8b10c5f5a075c52a5116664ce4238c34af1deae59923dac75d0ca30e7066bedc.exe
Resource
win10v2004-20240508-en
General
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Target
8b10c5f5a075c52a5116664ce4238c34af1deae59923dac75d0ca30e7066bedc.exe
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Size
4.1MB
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MD5
ddc90f716bcd683e89d0f185776b1447
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SHA1
b2a945edd20da3236e99e2fdbf39cf38ac55b0d6
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SHA256
8b10c5f5a075c52a5116664ce4238c34af1deae59923dac75d0ca30e7066bedc
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SHA512
6c818b4cbef834f90446c52e6bb1bc4b061295d21dbffa25a819009565401e17bf7d22d7c7d8c96bd725daa0021e5da0b8e25f535a24ba393bc1ba26d2cbaecb
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SSDEEP
98304:YafxS+/KFMRhUpFC/J2Pi0cUKp/eH4HXqRotZhpRBIVvLyj7:Y4KGRhU7CB2KZRm43qRo3hpTj7
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral1/memory/4728-2-0x0000000002D30000-0x000000000361B000-memory.dmp family_glupteba behavioral1/memory/4728-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4728-78-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4728-106-0x0000000002D30000-0x000000000361B000-memory.dmp family_glupteba behavioral1/memory/2780-158-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4396-215-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4396-228-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4396-230-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4396-234-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4396-238-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4396-241-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4396-246-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4396-250-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4396-254-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4396-257-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4396-262-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4396-266-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4396-270-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1012 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4396 csrss.exe 4148 injector.exe 4636 windefender.exe 3644 windefender.exe -
resource yara_rule behavioral1/files/0x00090000000233d4-220.dat upx behavioral1/memory/4636-221-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4636-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3644-231-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3644-239-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 8b10c5f5a075c52a5116664ce4238c34af1deae59923dac75d0ca30e7066bedc.exe Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 8b10c5f5a075c52a5116664ce4238c34af1deae59923dac75d0ca30e7066bedc.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 8b10c5f5a075c52a5116664ce4238c34af1deae59923dac75d0ca30e7066bedc.exe File created C:\Windows\rss\csrss.exe 8b10c5f5a075c52a5116664ce4238c34af1deae59923dac75d0ca30e7066bedc.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 3832 sc.exe -
pid Process 1568 powershell.exe 2704 powershell.exe 460 powershell.exe 4016 powershell.exe 392 powershell.exe 1504 powershell.exe 620 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 1532 schtasks.exe 3516 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-772 = "Montevideo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2321 = "Sakhalin Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" 8b10c5f5a075c52a5116664ce4238c34af1deae59923dac75d0ca30e7066bedc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)" 8b10c5f5a075c52a5116664ce4238c34af1deae59923dac75d0ca30e7066bedc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time" 8b10c5f5a075c52a5116664ce4238c34af1deae59923dac75d0ca30e7066bedc.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,-215 = "Pacific Standard Time (Mexico)" 8b10c5f5a075c52a5116664ce4238c34af1deae59923dac75d0ca30e7066bedc.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 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,-1721 = "Libya Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2771 = "Omsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-301 = "Romance Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" 8b10c5f5a075c52a5116664ce4238c34af1deae59923dac75d0ca30e7066bedc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time" 8b10c5f5a075c52a5116664ce4238c34af1deae59923dac75d0ca30e7066bedc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" 8b10c5f5a075c52a5116664ce4238c34af1deae59923dac75d0ca30e7066bedc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-572 = "China Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-385 = "Namibia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-212 = "Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-592 = "Malay Peninsula Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time" 8b10c5f5a075c52a5116664ce4238c34af1deae59923dac75d0ca30e7066bedc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time" 8b10c5f5a075c52a5116664ce4238c34af1deae59923dac75d0ca30e7066bedc.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\@tzres.dll,-651 = "AUS Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-332 = "E. Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-732 = "Fiji Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time" 8b10c5f5a075c52a5116664ce4238c34af1deae59923dac75d0ca30e7066bedc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1932 = "Russia TZ 11 Standard Time" 8b10c5f5a075c52a5116664ce4238c34af1deae59923dac75d0ca30e7066bedc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-932 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time" 8b10c5f5a075c52a5116664ce4238c34af1deae59923dac75d0ca30e7066bedc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs 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,-391 = "Arab Daylight Time" 8b10c5f5a075c52a5116664ce4238c34af1deae59923dac75d0ca30e7066bedc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" 8b10c5f5a075c52a5116664ce4238c34af1deae59923dac75d0ca30e7066bedc.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\@tzres.dll,-42 = "E. South America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-364 = "Middle East Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time" 8b10c5f5a075c52a5116664ce4238c34af1deae59923dac75d0ca30e7066bedc.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" 8b10c5f5a075c52a5116664ce4238c34af1deae59923dac75d0ca30e7066bedc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 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\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time" 8b10c5f5a075c52a5116664ce4238c34af1deae59923dac75d0ca30e7066bedc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-401 = "Arabic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-161 = "Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2752 = "Tomsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" 8b10c5f5a075c52a5116664ce4238c34af1deae59923dac75d0ca30e7066bedc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2792 = "Novosibirsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time" 8b10c5f5a075c52a5116664ce4238c34af1deae59923dac75d0ca30e7066bedc.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2161 = "Altai Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2181 = "Astrakhan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-731 = "Fiji Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-871 = "Pakistan Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 460 powershell.exe 460 powershell.exe 4728 8b10c5f5a075c52a5116664ce4238c34af1deae59923dac75d0ca30e7066bedc.exe 4728 8b10c5f5a075c52a5116664ce4238c34af1deae59923dac75d0ca30e7066bedc.exe 4016 powershell.exe 4016 powershell.exe 2780 8b10c5f5a075c52a5116664ce4238c34af1deae59923dac75d0ca30e7066bedc.exe 2780 8b10c5f5a075c52a5116664ce4238c34af1deae59923dac75d0ca30e7066bedc.exe 2780 8b10c5f5a075c52a5116664ce4238c34af1deae59923dac75d0ca30e7066bedc.exe 2780 8b10c5f5a075c52a5116664ce4238c34af1deae59923dac75d0ca30e7066bedc.exe 2780 8b10c5f5a075c52a5116664ce4238c34af1deae59923dac75d0ca30e7066bedc.exe 2780 8b10c5f5a075c52a5116664ce4238c34af1deae59923dac75d0ca30e7066bedc.exe 2780 8b10c5f5a075c52a5116664ce4238c34af1deae59923dac75d0ca30e7066bedc.exe 2780 8b10c5f5a075c52a5116664ce4238c34af1deae59923dac75d0ca30e7066bedc.exe 2780 8b10c5f5a075c52a5116664ce4238c34af1deae59923dac75d0ca30e7066bedc.exe 2780 8b10c5f5a075c52a5116664ce4238c34af1deae59923dac75d0ca30e7066bedc.exe 392 powershell.exe 392 powershell.exe 1504 powershell.exe 1504 powershell.exe 620 powershell.exe 620 powershell.exe 1568 powershell.exe 1568 powershell.exe 2704 powershell.exe 2704 powershell.exe 4148 injector.exe 4148 injector.exe 4148 injector.exe 4148 injector.exe 4148 injector.exe 4148 injector.exe 4396 csrss.exe 4396 csrss.exe 4148 injector.exe 4148 injector.exe 4148 injector.exe 4148 injector.exe 4148 injector.exe 4148 injector.exe 4396 csrss.exe 4396 csrss.exe 4148 injector.exe 4148 injector.exe 4396 csrss.exe 4396 csrss.exe 4148 injector.exe 4148 injector.exe 4148 injector.exe 4148 injector.exe 4148 injector.exe 4148 injector.exe 4148 injector.exe 4148 injector.exe 4148 injector.exe 4148 injector.exe 4148 injector.exe 4148 injector.exe 4148 injector.exe 4148 injector.exe 4148 injector.exe 4148 injector.exe 4148 injector.exe 4148 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 460 powershell.exe Token: SeDebugPrivilege 4728 8b10c5f5a075c52a5116664ce4238c34af1deae59923dac75d0ca30e7066bedc.exe Token: SeImpersonatePrivilege 4728 8b10c5f5a075c52a5116664ce4238c34af1deae59923dac75d0ca30e7066bedc.exe Token: SeDebugPrivilege 4016 powershell.exe Token: SeDebugPrivilege 392 powershell.exe Token: SeDebugPrivilege 1504 powershell.exe Token: SeDebugPrivilege 620 powershell.exe Token: SeDebugPrivilege 1568 powershell.exe Token: SeDebugPrivilege 2704 powershell.exe Token: SeSystemEnvironmentPrivilege 4396 csrss.exe Token: SeSecurityPrivilege 3832 sc.exe Token: SeSecurityPrivilege 3832 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4728 wrote to memory of 460 4728 8b10c5f5a075c52a5116664ce4238c34af1deae59923dac75d0ca30e7066bedc.exe 82 PID 4728 wrote to memory of 460 4728 8b10c5f5a075c52a5116664ce4238c34af1deae59923dac75d0ca30e7066bedc.exe 82 PID 4728 wrote to memory of 460 4728 8b10c5f5a075c52a5116664ce4238c34af1deae59923dac75d0ca30e7066bedc.exe 82 PID 2780 wrote to memory of 4016 2780 8b10c5f5a075c52a5116664ce4238c34af1deae59923dac75d0ca30e7066bedc.exe 90 PID 2780 wrote to memory of 4016 2780 8b10c5f5a075c52a5116664ce4238c34af1deae59923dac75d0ca30e7066bedc.exe 90 PID 2780 wrote to memory of 4016 2780 8b10c5f5a075c52a5116664ce4238c34af1deae59923dac75d0ca30e7066bedc.exe 90 PID 2780 wrote to memory of 3984 2780 8b10c5f5a075c52a5116664ce4238c34af1deae59923dac75d0ca30e7066bedc.exe 93 PID 2780 wrote to memory of 3984 2780 8b10c5f5a075c52a5116664ce4238c34af1deae59923dac75d0ca30e7066bedc.exe 93 PID 3984 wrote to memory of 1012 3984 cmd.exe 95 PID 3984 wrote to memory of 1012 3984 cmd.exe 95 PID 2780 wrote to memory of 392 2780 8b10c5f5a075c52a5116664ce4238c34af1deae59923dac75d0ca30e7066bedc.exe 97 PID 2780 wrote to memory of 392 2780 8b10c5f5a075c52a5116664ce4238c34af1deae59923dac75d0ca30e7066bedc.exe 97 PID 2780 wrote to memory of 392 2780 8b10c5f5a075c52a5116664ce4238c34af1deae59923dac75d0ca30e7066bedc.exe 97 PID 2780 wrote to memory of 1504 2780 8b10c5f5a075c52a5116664ce4238c34af1deae59923dac75d0ca30e7066bedc.exe 99 PID 2780 wrote to memory of 1504 2780 8b10c5f5a075c52a5116664ce4238c34af1deae59923dac75d0ca30e7066bedc.exe 99 PID 2780 wrote to memory of 1504 2780 8b10c5f5a075c52a5116664ce4238c34af1deae59923dac75d0ca30e7066bedc.exe 99 PID 2780 wrote to memory of 4396 2780 8b10c5f5a075c52a5116664ce4238c34af1deae59923dac75d0ca30e7066bedc.exe 101 PID 2780 wrote to memory of 4396 2780 8b10c5f5a075c52a5116664ce4238c34af1deae59923dac75d0ca30e7066bedc.exe 101 PID 2780 wrote to memory of 4396 2780 8b10c5f5a075c52a5116664ce4238c34af1deae59923dac75d0ca30e7066bedc.exe 101 PID 4396 wrote to memory of 620 4396 csrss.exe 102 PID 4396 wrote to memory of 620 4396 csrss.exe 102 PID 4396 wrote to memory of 620 4396 csrss.exe 102 PID 4396 wrote to memory of 1568 4396 csrss.exe 107 PID 4396 wrote to memory of 1568 4396 csrss.exe 107 PID 4396 wrote to memory of 1568 4396 csrss.exe 107 PID 4396 wrote to memory of 2704 4396 csrss.exe 110 PID 4396 wrote to memory of 2704 4396 csrss.exe 110 PID 4396 wrote to memory of 2704 4396 csrss.exe 110 PID 4396 wrote to memory of 4148 4396 csrss.exe 112 PID 4396 wrote to memory of 4148 4396 csrss.exe 112 PID 4636 wrote to memory of 3252 4636 windefender.exe 119 PID 4636 wrote to memory of 3252 4636 windefender.exe 119 PID 4636 wrote to memory of 3252 4636 windefender.exe 119 PID 3252 wrote to memory of 3832 3252 cmd.exe 120 PID 3252 wrote to memory of 3832 3252 cmd.exe 120 PID 3252 wrote to memory of 3832 3252 cmd.exe 120 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\8b10c5f5a075c52a5116664ce4238c34af1deae59923dac75d0ca30e7066bedc.exe"C:\Users\Admin\AppData\Local\Temp\8b10c5f5a075c52a5116664ce4238c34af1deae59923dac75d0ca30e7066bedc.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4728 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:460
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C:\Users\Admin\AppData\Local\Temp\8b10c5f5a075c52a5116664ce4238c34af1deae59923dac75d0ca30e7066bedc.exe"C:\Users\Admin\AppData\Local\Temp\8b10c5f5a075c52a5116664ce4238c34af1deae59923dac75d0ca30e7066bedc.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:2780 -
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:4016
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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:3984 -
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:1012
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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:392
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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:1504
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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:4396 -
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:620
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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:1532
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2024
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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:1568
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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:2704
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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:4148
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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:3516
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4636 -
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:3252 -
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:3832
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3644
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
MD5d2c42737dcf7ab43ab942e2f6dccc9f1
SHA1d1ea736c4e30c22c1c03767e9eb5bb82c90db8f4
SHA25609fdb5e7b78867cb4d33e4473140f7f3daea291b70ca66095d13e6c6d01b8b25
SHA5127bd950a93f3959c4079812c0162e6fae1ce18d1f81e5a50cca1dfd38241a22d57f582a0750eca4402f728651041a151c46851393c9623cd626cc1400679e9965
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e32dbc6c6109f1cbe758101d87ffe464
SHA10ff53a23e85fc69b3e0814545a46d8c351f03144
SHA256b3c3182e2a9d14317562989f134a1c95666a1a324f8816a522db274673ed638e
SHA512c9930036004a3ba1321bfb73b2b6547ea701b7f297117180c9e841f058bea7d71e660634f7a32583037db735706dfd773c176a4bb788eddaa48fb86486e3f41f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b166658b8bff164ea3e13b2e01437c36
SHA1a681865505e571e7fd6c69a32c0a3ddf52a1ee89
SHA2563d265fd58fe99be9644a2cb395c940a9760371dee89286a3b86216e135682150
SHA512dccc0ae21a6f5f661fd474bafec05009d9d0c512be46f3743570792f6a552ab2be5df0ea707a6da6907b30bf463edfe085136ec398cfc9f420ef9629d1a2e020
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d7407e82bdeced32c4f31418bf646dbe
SHA12d2818932a216ed0ceb7e9cb42a646abc56c5b9d
SHA256b191685b1a7b0f3412d560f879a7ce78448d85874d96a7afd28a20bb687bbdb6
SHA512234c7a8f2ae81d6e6682f26fcd820ffdfcf519a9f808da9c28a98f7e7a41b9ea0f4be8459830f585621073266ee837213a750caadf3988d1518224c4740609e6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5350919a5e378c977bedfeee15a325d7c
SHA15e30a47454bf220ac72d8de752f25f61b1592701
SHA25622fc80dd7e7d0965c8b45d4ef09e720e56787ba6b119ff30849eda7e2800c073
SHA512a0d7f9fe29c57c6a3a4218a2b063b42f0949dc06a468964008b6c9ebd70875e318a982a20ad573f5f915b8977ab28e9a819f8d1d9feb56719b6a6c66fba7ba68
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Filesize
4.1MB
MD5ddc90f716bcd683e89d0f185776b1447
SHA1b2a945edd20da3236e99e2fdbf39cf38ac55b0d6
SHA2568b10c5f5a075c52a5116664ce4238c34af1deae59923dac75d0ca30e7066bedc
SHA5126c818b4cbef834f90446c52e6bb1bc4b061295d21dbffa25a819009565401e17bf7d22d7c7d8c96bd725daa0021e5da0b8e25f535a24ba393bc1ba26d2cbaecb
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec