Analysis
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max time kernel
149s -
max time network
150s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-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 19 IoCs
resource yara_rule behavioral2/memory/1120-2-0x0000000004CA0000-0x000000000558B000-memory.dmp family_glupteba behavioral2/memory/1120-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1120-24-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/1120-54-0x0000000004CA0000-0x000000000558B000-memory.dmp family_glupteba behavioral2/memory/1120-55-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/1120-77-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5060-76-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/5060-129-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/1160-141-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/1160-199-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/1160-214-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/1160-216-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/1160-219-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/1160-222-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/1160-226-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/1160-228-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/1160-231-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/1160-234-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/1160-238-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3084 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1160 csrss.exe 5056 injector.exe 3996 windefender.exe 2020 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a9d6-208.dat upx behavioral2/memory/3996-209-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3996-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2020-217-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2020-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2457560273-69882387-977367775-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 2aecfb9370460b488abd4f1fb79fe3d657346634f7f51462ac34971005d05472.exe Set value (str) \REGISTRY\USER\S-1-5-21-2457560273-69882387-977367775-1000\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 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 -
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 created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 2aecfb9370460b488abd4f1fb79fe3d657346634f7f51462ac34971005d05472.exe File created C:\Windows\rss\csrss.exe 2aecfb9370460b488abd4f1fb79fe3d657346634f7f51462ac34971005d05472.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 3464 sc.exe -
pid Process 1604 powershell.exe 2276 powershell.exe 2256 powershell.exe 4588 powershell.exe 2120 powershell.exe 4604 powershell.exe 4488 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 1420 schtasks.exe 5052 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-502 = "Nepal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-531 = "Sri Lanka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" 2aecfb9370460b488abd4f1fb79fe3d657346634f7f51462ac34971005d05472.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time" 2aecfb9370460b488abd4f1fb79fe3d657346634f7f51462ac34971005d05472.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2531 = "Chatham Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-271 = "Greenwich Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-932 = "Coordinated Universal Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople 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,-91 = "Pacific SA Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-561 = "SE Asia 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\@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2531 = "Chatham Islands Daylight Time" 2aecfb9370460b488abd4f1fb79fe3d657346634f7f51462ac34971005d05472.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2372 = "Easter Island 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\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time" 2aecfb9370460b488abd4f1fb79fe3d657346634f7f51462ac34971005d05472.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time" 2aecfb9370460b488abd4f1fb79fe3d657346634f7f51462ac34971005d05472.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" 2aecfb9370460b488abd4f1fb79fe3d657346634f7f51462ac34971005d05472.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time" 2aecfb9370460b488abd4f1fb79fe3d657346634f7f51462ac34971005d05472.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time" 2aecfb9370460b488abd4f1fb79fe3d657346634f7f51462ac34971005d05472.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time" 2aecfb9370460b488abd4f1fb79fe3d657346634f7f51462ac34971005d05472.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" 2aecfb9370460b488abd4f1fb79fe3d657346634f7f51462ac34971005d05472.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time" 2aecfb9370460b488abd4f1fb79fe3d657346634f7f51462ac34971005d05472.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.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\@tzres.dll,-11 = "Azores Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2341 = "Haiti Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" 2aecfb9370460b488abd4f1fb79fe3d657346634f7f51462ac34971005d05472.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2002 = "Cabo Verde Standard Time" windefender.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,-502 = "Nepal Standard Time" 2aecfb9370460b488abd4f1fb79fe3d657346634f7f51462ac34971005d05472.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-362 = "GTB Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2411 = "Marquesas Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2322 = "Sakhalin Standard Time" windefender.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\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-231 = "Hawaiian Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time" 2aecfb9370460b488abd4f1fb79fe3d657346634f7f51462ac34971005d05472.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2791 = "Novosibirsk Daylight Time" 2aecfb9370460b488abd4f1fb79fe3d657346634f7f51462ac34971005d05472.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" 2aecfb9370460b488abd4f1fb79fe3d657346634f7f51462ac34971005d05472.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" 2aecfb9370460b488abd4f1fb79fe3d657346634f7f51462ac34971005d05472.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2276 powershell.exe 2276 powershell.exe 1120 2aecfb9370460b488abd4f1fb79fe3d657346634f7f51462ac34971005d05472.exe 1120 2aecfb9370460b488abd4f1fb79fe3d657346634f7f51462ac34971005d05472.exe 2256 powershell.exe 2256 powershell.exe 5060 2aecfb9370460b488abd4f1fb79fe3d657346634f7f51462ac34971005d05472.exe 5060 2aecfb9370460b488abd4f1fb79fe3d657346634f7f51462ac34971005d05472.exe 5060 2aecfb9370460b488abd4f1fb79fe3d657346634f7f51462ac34971005d05472.exe 5060 2aecfb9370460b488abd4f1fb79fe3d657346634f7f51462ac34971005d05472.exe 5060 2aecfb9370460b488abd4f1fb79fe3d657346634f7f51462ac34971005d05472.exe 5060 2aecfb9370460b488abd4f1fb79fe3d657346634f7f51462ac34971005d05472.exe 5060 2aecfb9370460b488abd4f1fb79fe3d657346634f7f51462ac34971005d05472.exe 5060 2aecfb9370460b488abd4f1fb79fe3d657346634f7f51462ac34971005d05472.exe 5060 2aecfb9370460b488abd4f1fb79fe3d657346634f7f51462ac34971005d05472.exe 5060 2aecfb9370460b488abd4f1fb79fe3d657346634f7f51462ac34971005d05472.exe 4588 powershell.exe 4588 powershell.exe 2120 powershell.exe 2120 powershell.exe 4604 powershell.exe 4604 powershell.exe 4488 powershell.exe 4488 powershell.exe 1604 powershell.exe 1604 powershell.exe 5056 injector.exe 5056 injector.exe 5056 injector.exe 5056 injector.exe 5056 injector.exe 5056 injector.exe 1160 csrss.exe 1160 csrss.exe 5056 injector.exe 5056 injector.exe 5056 injector.exe 5056 injector.exe 5056 injector.exe 5056 injector.exe 1160 csrss.exe 1160 csrss.exe 5056 injector.exe 5056 injector.exe 1160 csrss.exe 1160 csrss.exe 5056 injector.exe 5056 injector.exe 5056 injector.exe 5056 injector.exe 5056 injector.exe 5056 injector.exe 5056 injector.exe 5056 injector.exe 5056 injector.exe 5056 injector.exe 5056 injector.exe 5056 injector.exe 5056 injector.exe 5056 injector.exe 5056 injector.exe 5056 injector.exe 5056 injector.exe 5056 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2276 powershell.exe Token: SeDebugPrivilege 1120 2aecfb9370460b488abd4f1fb79fe3d657346634f7f51462ac34971005d05472.exe Token: SeImpersonatePrivilege 1120 2aecfb9370460b488abd4f1fb79fe3d657346634f7f51462ac34971005d05472.exe Token: SeDebugPrivilege 2256 powershell.exe Token: SeDebugPrivilege 4588 powershell.exe Token: SeDebugPrivilege 2120 powershell.exe Token: SeDebugPrivilege 4604 powershell.exe Token: SeDebugPrivilege 4488 powershell.exe Token: SeDebugPrivilege 1604 powershell.exe Token: SeSystemEnvironmentPrivilege 1160 csrss.exe Token: SeSecurityPrivilege 3464 sc.exe Token: SeSecurityPrivilege 3464 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1120 wrote to memory of 2276 1120 2aecfb9370460b488abd4f1fb79fe3d657346634f7f51462ac34971005d05472.exe 82 PID 1120 wrote to memory of 2276 1120 2aecfb9370460b488abd4f1fb79fe3d657346634f7f51462ac34971005d05472.exe 82 PID 1120 wrote to memory of 2276 1120 2aecfb9370460b488abd4f1fb79fe3d657346634f7f51462ac34971005d05472.exe 82 PID 5060 wrote to memory of 2256 5060 2aecfb9370460b488abd4f1fb79fe3d657346634f7f51462ac34971005d05472.exe 87 PID 5060 wrote to memory of 2256 5060 2aecfb9370460b488abd4f1fb79fe3d657346634f7f51462ac34971005d05472.exe 87 PID 5060 wrote to memory of 2256 5060 2aecfb9370460b488abd4f1fb79fe3d657346634f7f51462ac34971005d05472.exe 87 PID 5060 wrote to memory of 2900 5060 2aecfb9370460b488abd4f1fb79fe3d657346634f7f51462ac34971005d05472.exe 89 PID 5060 wrote to memory of 2900 5060 2aecfb9370460b488abd4f1fb79fe3d657346634f7f51462ac34971005d05472.exe 89 PID 2900 wrote to memory of 3084 2900 cmd.exe 91 PID 2900 wrote to memory of 3084 2900 cmd.exe 91 PID 5060 wrote to memory of 4588 5060 2aecfb9370460b488abd4f1fb79fe3d657346634f7f51462ac34971005d05472.exe 92 PID 5060 wrote to memory of 4588 5060 2aecfb9370460b488abd4f1fb79fe3d657346634f7f51462ac34971005d05472.exe 92 PID 5060 wrote to memory of 4588 5060 2aecfb9370460b488abd4f1fb79fe3d657346634f7f51462ac34971005d05472.exe 92 PID 5060 wrote to memory of 2120 5060 2aecfb9370460b488abd4f1fb79fe3d657346634f7f51462ac34971005d05472.exe 94 PID 5060 wrote to memory of 2120 5060 2aecfb9370460b488abd4f1fb79fe3d657346634f7f51462ac34971005d05472.exe 94 PID 5060 wrote to memory of 2120 5060 2aecfb9370460b488abd4f1fb79fe3d657346634f7f51462ac34971005d05472.exe 94 PID 5060 wrote to memory of 1160 5060 2aecfb9370460b488abd4f1fb79fe3d657346634f7f51462ac34971005d05472.exe 96 PID 5060 wrote to memory of 1160 5060 2aecfb9370460b488abd4f1fb79fe3d657346634f7f51462ac34971005d05472.exe 96 PID 5060 wrote to memory of 1160 5060 2aecfb9370460b488abd4f1fb79fe3d657346634f7f51462ac34971005d05472.exe 96 PID 1160 wrote to memory of 4604 1160 csrss.exe 97 PID 1160 wrote to memory of 4604 1160 csrss.exe 97 PID 1160 wrote to memory of 4604 1160 csrss.exe 97 PID 1160 wrote to memory of 4488 1160 csrss.exe 103 PID 1160 wrote to memory of 4488 1160 csrss.exe 103 PID 1160 wrote to memory of 4488 1160 csrss.exe 103 PID 1160 wrote to memory of 1604 1160 csrss.exe 105 PID 1160 wrote to memory of 1604 1160 csrss.exe 105 PID 1160 wrote to memory of 1604 1160 csrss.exe 105 PID 1160 wrote to memory of 5056 1160 csrss.exe 107 PID 1160 wrote to memory of 5056 1160 csrss.exe 107 PID 3996 wrote to memory of 2632 3996 windefender.exe 113 PID 3996 wrote to memory of 2632 3996 windefender.exe 113 PID 3996 wrote to memory of 2632 3996 windefender.exe 113 PID 2632 wrote to memory of 3464 2632 cmd.exe 114 PID 2632 wrote to memory of 3464 2632 cmd.exe 114 PID 2632 wrote to memory of 3464 2632 cmd.exe 114 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\2aecfb9370460b488abd4f1fb79fe3d657346634f7f51462ac34971005d05472.exe"C:\Users\Admin\AppData\Local\Temp\2aecfb9370460b488abd4f1fb79fe3d657346634f7f51462ac34971005d05472.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1120 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2276
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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:5060 -
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:2256
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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:2900 -
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:3084
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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:4588
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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:2120
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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:1160 -
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:4604
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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:1420
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3528
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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:4488
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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:1604
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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:5056
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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:5052
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3996 -
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:2632 -
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:3464
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2020
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD595fdc6bd6a2c97404aa0b495435a988b
SHA1fbdfc2a09ddab0dc05ed3bfe784cb0286eb5fc1c
SHA256b1fed3305e5654f70bc2433d74d3ee44d2d9121ab875522c898667dde5f2766e
SHA512e8e32fe540f0146f2eaa44a43a183c92469f88bbe7b98ca3db31023b3d522af2c21433a8879a81dca5aab99338aa6803ff27ede6f2c1993909ab00f036613f23
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5de245d1b835106f4c5a7036c34d154ca
SHA18a2986a1b655e87d36ee4c4fc3ff76f7f9786609
SHA25626e5d1553c43b8404b17b0fd7ca37726a9cb5e281e1db66c66facac6b76c93fa
SHA512cdc372d6504e1ddd957c3279ec48fab610a9a73795f36ee0883551f8377322db0e36d4f583261b603f3f4e2e1bc05a367bc8e3989535344a5a105884ed25f632
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a2014c615774b504873776453f0fdf15
SHA18d5eda53ea31b09d8f459ef568aedefe11f13bc4
SHA256435a641b2ebf9d903f1a21e1351030927e1291d3e576327d1826042bf79cc017
SHA5127477811ba827913f7cec4a586550ec96fb8b0cb3e43a24d4e6e770ddcddee7c4f47f83b429d05bac243be0f0dd86560fd859c1ae5e8e20940d66373b34d5ea84
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ba4410878dfadaf9cfcf7a4094545b9d
SHA1d1d2ec407c5c00ec3ec69868f41cd6f10a191433
SHA256b836878035f03b3181e46c50034c66926024a3c645c25f3a51b1d802f7ef0a2e
SHA512aa5dbd22ab2589cfec2366b48fd80fc864f5c7225f0decd885919124b2118118bba89ab9eb8040a019771beca2f5676fd128f8ffcde2592e8e98a152c93e3121
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD510401951a228f8748ba6251855c458b8
SHA1562e9dcfc215568f5bf3f62cdba35328b7d9112a
SHA25673d3c8ba0ab7d4e66d71ef931653787598c415cc46f1eb131003609e778aed5a
SHA512086b7761e4f21514441668abbb4b4d100d37645c607d70be5ed9010a678b9b7e802b36063d404c1f86735b7b347a7b0ec54c641d8a5cea44699c266f19fa6c7e
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Filesize
4.1MB
MD5950ebbafbafdf050c1f725268544bfc6
SHA17357dc12488596959b2eaa088a6f9773d5623672
SHA2562aecfb9370460b488abd4f1fb79fe3d657346634f7f51462ac34971005d05472
SHA512c485983bb4afda16aee280cce4701c324e9815d9f6a268e20bbef6df5bbd116dc5e8fdc5ecb4d4abaaf07b5f78815a5f3fd53604270e27270580dc200be1e2c2
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec