Analysis
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max time kernel
149s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
15-05-2024 18:07
Static task
static1
Behavioral task
behavioral1
Sample
2aecfb9370460b488abd4f1fb79fe3d657346634f7f51462ac34971005d05472.exe
Resource
win10v2004-20240508-en
General
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Target
2aecfb9370460b488abd4f1fb79fe3d657346634f7f51462ac34971005d05472.exe
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Size
4.1MB
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MD5
950ebbafbafdf050c1f725268544bfc6
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SHA1
7357dc12488596959b2eaa088a6f9773d5623672
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SHA256
2aecfb9370460b488abd4f1fb79fe3d657346634f7f51462ac34971005d05472
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SHA512
c485983bb4afda16aee280cce4701c324e9815d9f6a268e20bbef6df5bbd116dc5e8fdc5ecb4d4abaaf07b5f78815a5f3fd53604270e27270580dc200be1e2c2
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SSDEEP
98304:QoKALZtLSnhBaG13jSGzI9y04m/Xf7c/d7YDSGfJg5NEka2Q+gy:QC1IraEjIw04m/Xfo4a5yka2Q+gy
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral1/memory/1944-2-0x0000000004C10000-0x00000000054FB000-memory.dmp family_glupteba behavioral1/memory/1944-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1944-4-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/1944-57-0x0000000004C10000-0x00000000054FB000-memory.dmp family_glupteba behavioral1/memory/1944-58-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1944-55-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2392-70-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2392-133-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2392-138-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/3676-215-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/3676-222-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/3676-231-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/3676-233-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/3676-235-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/3676-237-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/3676-239-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/3676-241-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/3676-243-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 408 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3676 csrss.exe 3164 injector.exe 4176 windefender.exe 4536 windefender.exe -
resource yara_rule behavioral1/files/0x000a00000002341c-225.dat upx behavioral1/memory/4176-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4176-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4536-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4536-232-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4536-236-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 2aecfb9370460b488abd4f1fb79fe3d657346634f7f51462ac34971005d05472.exe Set value (str) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\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\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 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 2aecfb9370460b488abd4f1fb79fe3d657346634f7f51462ac34971005d05472.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 2aecfb9370460b488abd4f1fb79fe3d657346634f7f51462ac34971005d05472.exe File created C:\Windows\rss\csrss.exe 2aecfb9370460b488abd4f1fb79fe3d657346634f7f51462ac34971005d05472.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 2952 sc.exe -
pid Process 1996 powershell.exe 3644 powershell.exe 1400 powershell.exe 2032 powershell.exe 4268 powershell.exe 4192 powershell.exe 944 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 4752 schtasks.exe 1648 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.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,-331 = "E. Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" 2aecfb9370460b488abd4f1fb79fe3d657346634f7f51462ac34971005d05472.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-722 = "Central Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2571 = "Turks and Caicos Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-931 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" 2aecfb9370460b488abd4f1fb79fe3d657346634f7f51462ac34971005d05472.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-392 = "Arab Standard Time" windefender.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\@tzres.dll,-831 = "SA Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time" 2aecfb9370460b488abd4f1fb79fe3d657346634f7f51462ac34971005d05472.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" 2aecfb9370460b488abd4f1fb79fe3d657346634f7f51462ac34971005d05472.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time" 2aecfb9370460b488abd4f1fb79fe3d657346634f7f51462ac34971005d05472.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,-491 = "India Daylight Time" windefender.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" 2aecfb9370460b488abd4f1fb79fe3d657346634f7f51462ac34971005d05472.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-171 = "Central Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2591 = "Tocantins Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-221 = "Alaskan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-82 = "Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time" 2aecfb9370460b488abd4f1fb79fe3d657346634f7f51462ac34971005d05472.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time" 2aecfb9370460b488abd4f1fb79fe3d657346634f7f51462ac34971005d05472.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" 2aecfb9370460b488abd4f1fb79fe3d657346634f7f51462ac34971005d05472.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,-2631 = "Norfolk Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-652 = "AUS Central 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" 2aecfb9370460b488abd4f1fb79fe3d657346634f7f51462ac34971005d05472.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time" 2aecfb9370460b488abd4f1fb79fe3d657346634f7f51462ac34971005d05472.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-242 = "Samoa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" 2aecfb9370460b488abd4f1fb79fe3d657346634f7f51462ac34971005d05472.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,-2342 = "Haiti Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.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,-411 = "E. Africa 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,-331 = "E. Europe Daylight Time" 2aecfb9370460b488abd4f1fb79fe3d657346634f7f51462ac34971005d05472.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-41 = "E. South America Daylight Time" 2aecfb9370460b488abd4f1fb79fe3d657346634f7f51462ac34971005d05472.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" 2aecfb9370460b488abd4f1fb79fe3d657346634f7f51462ac34971005d05472.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-434 = "Georgian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-32 = "Mid-Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2772 = "Omsk Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2842 = "Saratov Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1042 = "Ulaanbaatar Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" 2aecfb9370460b488abd4f1fb79fe3d657346634f7f51462ac34971005d05472.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-292 = "Central European Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1996 powershell.exe 1996 powershell.exe 1944 2aecfb9370460b488abd4f1fb79fe3d657346634f7f51462ac34971005d05472.exe 1944 2aecfb9370460b488abd4f1fb79fe3d657346634f7f51462ac34971005d05472.exe 3644 powershell.exe 3644 powershell.exe 2392 2aecfb9370460b488abd4f1fb79fe3d657346634f7f51462ac34971005d05472.exe 2392 2aecfb9370460b488abd4f1fb79fe3d657346634f7f51462ac34971005d05472.exe 2392 2aecfb9370460b488abd4f1fb79fe3d657346634f7f51462ac34971005d05472.exe 2392 2aecfb9370460b488abd4f1fb79fe3d657346634f7f51462ac34971005d05472.exe 2392 2aecfb9370460b488abd4f1fb79fe3d657346634f7f51462ac34971005d05472.exe 2392 2aecfb9370460b488abd4f1fb79fe3d657346634f7f51462ac34971005d05472.exe 2392 2aecfb9370460b488abd4f1fb79fe3d657346634f7f51462ac34971005d05472.exe 2392 2aecfb9370460b488abd4f1fb79fe3d657346634f7f51462ac34971005d05472.exe 2392 2aecfb9370460b488abd4f1fb79fe3d657346634f7f51462ac34971005d05472.exe 2392 2aecfb9370460b488abd4f1fb79fe3d657346634f7f51462ac34971005d05472.exe 1400 powershell.exe 1400 powershell.exe 2032 powershell.exe 2032 powershell.exe 4268 powershell.exe 4268 powershell.exe 4192 powershell.exe 4192 powershell.exe 944 powershell.exe 944 powershell.exe 3164 injector.exe 3164 injector.exe 3164 injector.exe 3164 injector.exe 3164 injector.exe 3164 injector.exe 3676 csrss.exe 3676 csrss.exe 3164 injector.exe 3164 injector.exe 3164 injector.exe 3164 injector.exe 3164 injector.exe 3164 injector.exe 3676 csrss.exe 3676 csrss.exe 3164 injector.exe 3164 injector.exe 3676 csrss.exe 3676 csrss.exe 3164 injector.exe 3164 injector.exe 3164 injector.exe 3164 injector.exe 3164 injector.exe 3164 injector.exe 3164 injector.exe 3164 injector.exe 3164 injector.exe 3164 injector.exe 3164 injector.exe 3164 injector.exe 3164 injector.exe 3164 injector.exe 3164 injector.exe 3164 injector.exe 3164 injector.exe 3164 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1996 powershell.exe Token: SeDebugPrivilege 1944 2aecfb9370460b488abd4f1fb79fe3d657346634f7f51462ac34971005d05472.exe Token: SeImpersonatePrivilege 1944 2aecfb9370460b488abd4f1fb79fe3d657346634f7f51462ac34971005d05472.exe Token: SeDebugPrivilege 3644 powershell.exe Token: SeDebugPrivilege 1400 powershell.exe Token: SeDebugPrivilege 2032 powershell.exe Token: SeDebugPrivilege 4268 powershell.exe Token: SeDebugPrivilege 4192 powershell.exe Token: SeDebugPrivilege 944 powershell.exe Token: SeSystemEnvironmentPrivilege 3676 csrss.exe Token: SeSecurityPrivilege 2952 sc.exe Token: SeSecurityPrivilege 2952 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1944 wrote to memory of 1996 1944 2aecfb9370460b488abd4f1fb79fe3d657346634f7f51462ac34971005d05472.exe 94 PID 1944 wrote to memory of 1996 1944 2aecfb9370460b488abd4f1fb79fe3d657346634f7f51462ac34971005d05472.exe 94 PID 1944 wrote to memory of 1996 1944 2aecfb9370460b488abd4f1fb79fe3d657346634f7f51462ac34971005d05472.exe 94 PID 2392 wrote to memory of 3644 2392 2aecfb9370460b488abd4f1fb79fe3d657346634f7f51462ac34971005d05472.exe 100 PID 2392 wrote to memory of 3644 2392 2aecfb9370460b488abd4f1fb79fe3d657346634f7f51462ac34971005d05472.exe 100 PID 2392 wrote to memory of 3644 2392 2aecfb9370460b488abd4f1fb79fe3d657346634f7f51462ac34971005d05472.exe 100 PID 2392 wrote to memory of 4972 2392 2aecfb9370460b488abd4f1fb79fe3d657346634f7f51462ac34971005d05472.exe 102 PID 2392 wrote to memory of 4972 2392 2aecfb9370460b488abd4f1fb79fe3d657346634f7f51462ac34971005d05472.exe 102 PID 4972 wrote to memory of 408 4972 cmd.exe 105 PID 4972 wrote to memory of 408 4972 cmd.exe 105 PID 2392 wrote to memory of 1400 2392 2aecfb9370460b488abd4f1fb79fe3d657346634f7f51462ac34971005d05472.exe 106 PID 2392 wrote to memory of 1400 2392 2aecfb9370460b488abd4f1fb79fe3d657346634f7f51462ac34971005d05472.exe 106 PID 2392 wrote to memory of 1400 2392 2aecfb9370460b488abd4f1fb79fe3d657346634f7f51462ac34971005d05472.exe 106 PID 2392 wrote to memory of 2032 2392 2aecfb9370460b488abd4f1fb79fe3d657346634f7f51462ac34971005d05472.exe 108 PID 2392 wrote to memory of 2032 2392 2aecfb9370460b488abd4f1fb79fe3d657346634f7f51462ac34971005d05472.exe 108 PID 2392 wrote to memory of 2032 2392 2aecfb9370460b488abd4f1fb79fe3d657346634f7f51462ac34971005d05472.exe 108 PID 2392 wrote to memory of 3676 2392 2aecfb9370460b488abd4f1fb79fe3d657346634f7f51462ac34971005d05472.exe 110 PID 2392 wrote to memory of 3676 2392 2aecfb9370460b488abd4f1fb79fe3d657346634f7f51462ac34971005d05472.exe 110 PID 2392 wrote to memory of 3676 2392 2aecfb9370460b488abd4f1fb79fe3d657346634f7f51462ac34971005d05472.exe 110 PID 3676 wrote to memory of 4268 3676 csrss.exe 111 PID 3676 wrote to memory of 4268 3676 csrss.exe 111 PID 3676 wrote to memory of 4268 3676 csrss.exe 111 PID 3676 wrote to memory of 4192 3676 csrss.exe 117 PID 3676 wrote to memory of 4192 3676 csrss.exe 117 PID 3676 wrote to memory of 4192 3676 csrss.exe 117 PID 3676 wrote to memory of 944 3676 csrss.exe 119 PID 3676 wrote to memory of 944 3676 csrss.exe 119 PID 3676 wrote to memory of 944 3676 csrss.exe 119 PID 3676 wrote to memory of 3164 3676 csrss.exe 121 PID 3676 wrote to memory of 3164 3676 csrss.exe 121 PID 4176 wrote to memory of 948 4176 windefender.exe 128 PID 4176 wrote to memory of 948 4176 windefender.exe 128 PID 4176 wrote to memory of 948 4176 windefender.exe 128 PID 948 wrote to memory of 2952 948 cmd.exe 129 PID 948 wrote to memory of 2952 948 cmd.exe 129 PID 948 wrote to memory of 2952 948 cmd.exe 129 -
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\2aecfb9370460b488abd4f1fb79fe3d657346634f7f51462ac34971005d05472.exe"C:\Users\Admin\AppData\Local\Temp\2aecfb9370460b488abd4f1fb79fe3d657346634f7f51462ac34971005d05472.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1944 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1996
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C:\Users\Admin\AppData\Local\Temp\2aecfb9370460b488abd4f1fb79fe3d657346634f7f51462ac34971005d05472.exe"C:\Users\Admin\AppData\Local\Temp\2aecfb9370460b488abd4f1fb79fe3d657346634f7f51462ac34971005d05472.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:2392 -
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:3644
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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:4972 -
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:408
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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:1400
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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:2032
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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:3676 -
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:4268
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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:4752
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3148
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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:4192
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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:944
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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:3164
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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:1648
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4176 -
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:948 -
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:2952
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4536
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
MD50853c927803c51f61f895d5d0dc121ef
SHA104396954d474367485b19344a42bb7efbaad1b2e
SHA256f17b6c04fb8f050a1855924cca66a87cc676d8025431f8b92c6a2352e76b62b4
SHA5121ec7cf8211efca53f1f8cbb5af8e2260dee02a3b3f372423caf0acfdf2f7778ea81e2696ac8032ef6505e8622f655a36615a0b6fc8e8485eddb4a183496ca99d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD506e44b18c4f88adf24b961328dc82b7b
SHA12115d8a9ac2e8695e7d22a370d7c2a3d4687d163
SHA256d1e79d873bae864e271bc54dd6e6a26b3e5febba290fd33e6d742dd9605ffabd
SHA5129d7c6426ad396361c8c06a5028074c183cb073ba69981899992b7b4189e686adc705c08013bc3a6993ca8a6bf5cc087a925163df4144d2eaf501a618ee11286f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59e057509324604d90cfc2eec89981ca4
SHA15b87fec93d3b6fe98c40c103202f74aa3914c391
SHA256fa9f7e92f142d2e12fbe15ea90bf92a4e811a96b0a0970a9362ea5df6afd4903
SHA51245637de1026e17f9397dcca24ab8b2d919dc3474db8e5560cca0b47164bfa74004aac89743599dc35bc3e8380d7e88daef85d12ed144912e78adc508cc78ceab
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f156f769f5dcefd9c85203e42d984c7d
SHA1bb7d5fa252d8c4fec10d3d30a427f0e4becb4b7c
SHA2569433e12af2111fdafb75847ed24ead5dc329d80daa41ffa5b6d31aef3fb12c74
SHA5129acf81ac692c9f25e9fcb325c8ca2aeb515be20decf2a6a1a8022f8b2bd5713d3b96845920187d7eb9f16344a9b41410a4adea251b83a8d2ce32252dd174a8c4
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ce06da3724e6911658621f4763f575dd
SHA148716eb4989be82bd7025059cb66b638d6e58811
SHA25623b03d7efdf804514218c39464c932dc3c7f0c311b8dfad14868e08c782a49f0
SHA5127caa5dd7b2847892bd107a696334c59ae86fa0f5b2ad10f167dbd45a6bbde98a10122260c16de55a165a2131724ae1ed7a281f103abb6b2aaf73df227af3f762
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Filesize
4.1MB
MD5950ebbafbafdf050c1f725268544bfc6
SHA17357dc12488596959b2eaa088a6f9773d5623672
SHA2562aecfb9370460b488abd4f1fb79fe3d657346634f7f51462ac34971005d05472
SHA512c485983bb4afda16aee280cce4701c324e9815d9f6a268e20bbef6df5bbd116dc5e8fdc5ecb4d4abaaf07b5f78815a5f3fd53604270e27270580dc200be1e2c2
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec