Analysis
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max time kernel
151s -
max time network
157s -
platform
windows10-2004_x64 -
resource
win10v2004-20230703-en -
resource tags
arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system -
submitted
19/08/2023, 14:35
Static task
static1
General
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Target
82bf6a7603c61c7fc1a51ac2a403af58a40e94c52d7929ccf14cfe1653640daa.exe
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Size
4.1MB
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MD5
50c00fdc1f7e0ea3708b862b3d84cce7
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SHA1
c917e77e18e5d955356c09c86fcf895c0e0beaf1
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SHA256
82bf6a7603c61c7fc1a51ac2a403af58a40e94c52d7929ccf14cfe1653640daa
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SHA512
482c43ca1cd39553497abbbdc483735c7c996cc5a328fb5303fe1a7e3c4927bd16fe4e0d86170d2a28c272f5f3eb07fc685fca039ee9cfe49f74510b774de283
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SSDEEP
98304:J3yHB+E3vBkoxiH2FP7RPVQZzb2sc54B7JggwJzC2fSO:wTvSoxiOkZWL54BabmC
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral1/memory/740-134-0x0000000004030000-0x000000000491B000-memory.dmp family_glupteba behavioral1/memory/740-135-0x0000000000400000-0x0000000001C97000-memory.dmp family_glupteba behavioral1/memory/740-154-0x0000000004030000-0x000000000491B000-memory.dmp family_glupteba behavioral1/memory/740-155-0x0000000000400000-0x0000000001C97000-memory.dmp family_glupteba behavioral1/memory/740-184-0x0000000000400000-0x0000000001C97000-memory.dmp family_glupteba behavioral1/memory/4112-186-0x0000000000400000-0x0000000001C97000-memory.dmp family_glupteba behavioral1/memory/4112-215-0x0000000000400000-0x0000000001C97000-memory.dmp family_glupteba behavioral1/memory/4112-257-0x0000000000400000-0x0000000001C97000-memory.dmp family_glupteba behavioral1/memory/4112-275-0x0000000000400000-0x0000000001C97000-memory.dmp family_glupteba behavioral1/memory/4032-278-0x0000000000400000-0x0000000001C97000-memory.dmp family_glupteba behavioral1/memory/4032-304-0x0000000000400000-0x0000000001C97000-memory.dmp family_glupteba behavioral1/memory/4032-335-0x0000000000400000-0x0000000001C97000-memory.dmp family_glupteba behavioral1/memory/4032-368-0x0000000000400000-0x0000000001C97000-memory.dmp family_glupteba behavioral1/memory/4032-377-0x0000000000400000-0x0000000001C97000-memory.dmp family_glupteba behavioral1/memory/4032-379-0x0000000000400000-0x0000000001C97000-memory.dmp family_glupteba behavioral1/memory/4032-381-0x0000000000400000-0x0000000001C97000-memory.dmp family_glupteba behavioral1/memory/4032-383-0x0000000000400000-0x0000000001C97000-memory.dmp family_glupteba behavioral1/memory/4032-385-0x0000000000400000-0x0000000001C97000-memory.dmp family_glupteba behavioral1/memory/4032-387-0x0000000000400000-0x0000000001C97000-memory.dmp family_glupteba behavioral1/memory/4032-389-0x0000000000400000-0x0000000001C97000-memory.dmp family_glupteba -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 2868 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4032 csrss.exe 4704 injector.exe 2776 windefender.exe 3948 windefender.exe -
resource yara_rule behavioral1/files/0x0009000000022525-371.dat upx behavioral1/files/0x0009000000022525-373.dat upx behavioral1/files/0x0009000000022525-374.dat upx behavioral1/memory/2776-376-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3948-378-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3948-382-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4176143399-3250363947-192774652-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 82bf6a7603c61c7fc1a51ac2a403af58a40e94c52d7929ccf14cfe1653640daa.exe Set value (str) \REGISTRY\USER\S-1-5-21-4176143399-3250363947-192774652-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
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 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 -
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 82bf6a7603c61c7fc1a51ac2a403af58a40e94c52d7929ccf14cfe1653640daa.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 82bf6a7603c61c7fc1a51ac2a403af58a40e94c52d7929ccf14cfe1653640daa.exe File created C:\Windows\rss\csrss.exe 82bf6a7603c61c7fc1a51ac2a403af58a40e94c52d7929ccf14cfe1653640daa.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 2228 sc.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 3148 schtasks.exe 1528 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-451 = "Caucasus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time" 82bf6a7603c61c7fc1a51ac2a403af58a40e94c52d7929ccf14cfe1653640daa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time" 82bf6a7603c61c7fc1a51ac2a403af58a40e94c52d7929ccf14cfe1653640daa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time" 82bf6a7603c61c7fc1a51ac2a403af58a40e94c52d7929ccf14cfe1653640daa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" 82bf6a7603c61c7fc1a51ac2a403af58a40e94c52d7929ccf14cfe1653640daa.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.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\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time" 82bf6a7603c61c7fc1a51ac2a403af58a40e94c52d7929ccf14cfe1653640daa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time" 82bf6a7603c61c7fc1a51ac2a403af58a40e94c52d7929ccf14cfe1653640daa.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople 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\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time" 82bf6a7603c61c7fc1a51ac2a403af58a40e94c52d7929ccf14cfe1653640daa.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-271 = "Greenwich Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-512 = "Central Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-364 = "Middle East Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time" 82bf6a7603c61c7fc1a51ac2a403af58a40e94c52d7929ccf14cfe1653640daa.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-104 = "Central Brazilian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1412 = "Syria Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" 82bf6a7603c61c7fc1a51ac2a403af58a40e94c52d7929ccf14cfe1653640daa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)" 82bf6a7603c61c7fc1a51ac2a403af58a40e94c52d7929ccf14cfe1653640daa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time" 82bf6a7603c61c7fc1a51ac2a403af58a40e94c52d7929ccf14cfe1653640daa.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time" 82bf6a7603c61c7fc1a51ac2a403af58a40e94c52d7929ccf14cfe1653640daa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time" 82bf6a7603c61c7fc1a51ac2a403af58a40e94c52d7929ccf14cfe1653640daa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time" 82bf6a7603c61c7fc1a51ac2a403af58a40e94c52d7929ccf14cfe1653640daa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" 82bf6a7603c61c7fc1a51ac2a403af58a40e94c52d7929ccf14cfe1653640daa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" 82bf6a7603c61c7fc1a51ac2a403af58a40e94c52d7929ccf14cfe1653640daa.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-131 = "US Eastern Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-462 = "Afghanistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-441 = "Arabian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2181 = "Astrakhan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1022 = "Bangladesh Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-352 = "FLE Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" 82bf6a7603c61c7fc1a51ac2a403af58a40e94c52d7929ccf14cfe1653640daa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" 82bf6a7603c61c7fc1a51ac2a403af58a40e94c52d7929ccf14cfe1653640daa.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed 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\1e\52C64B7E\@tzres.dll,-721 = "Central Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-262 = "GMT Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates 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\1e\52C64B7E\@tzres.dll,-2772 = "Omsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2891 = "Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2571 = "Turks and Caicos Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\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\1e\52C64B7E\@tzres.dll,-201 = "US Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time" 82bf6a7603c61c7fc1a51ac2a403af58a40e94c52d7929ccf14cfe1653640daa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time" 82bf6a7603c61c7fc1a51ac2a403af58a40e94c52d7929ccf14cfe1653640daa.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3688 powershell.exe 3688 powershell.exe 740 82bf6a7603c61c7fc1a51ac2a403af58a40e94c52d7929ccf14cfe1653640daa.exe 740 82bf6a7603c61c7fc1a51ac2a403af58a40e94c52d7929ccf14cfe1653640daa.exe 1904 powershell.exe 1904 powershell.exe 4112 82bf6a7603c61c7fc1a51ac2a403af58a40e94c52d7929ccf14cfe1653640daa.exe 4112 82bf6a7603c61c7fc1a51ac2a403af58a40e94c52d7929ccf14cfe1653640daa.exe 4112 82bf6a7603c61c7fc1a51ac2a403af58a40e94c52d7929ccf14cfe1653640daa.exe 4112 82bf6a7603c61c7fc1a51ac2a403af58a40e94c52d7929ccf14cfe1653640daa.exe 4112 82bf6a7603c61c7fc1a51ac2a403af58a40e94c52d7929ccf14cfe1653640daa.exe 4112 82bf6a7603c61c7fc1a51ac2a403af58a40e94c52d7929ccf14cfe1653640daa.exe 4112 82bf6a7603c61c7fc1a51ac2a403af58a40e94c52d7929ccf14cfe1653640daa.exe 4112 82bf6a7603c61c7fc1a51ac2a403af58a40e94c52d7929ccf14cfe1653640daa.exe 4112 82bf6a7603c61c7fc1a51ac2a403af58a40e94c52d7929ccf14cfe1653640daa.exe 4112 82bf6a7603c61c7fc1a51ac2a403af58a40e94c52d7929ccf14cfe1653640daa.exe 1928 powershell.exe 1928 powershell.exe 1044 powershell.exe 1044 powershell.exe 4220 powershell.exe 4220 powershell.exe 1620 powershell.exe 1620 powershell.exe 3520 powershell.exe 3520 powershell.exe 4704 injector.exe 4704 injector.exe 4704 injector.exe 4704 injector.exe 4704 injector.exe 4704 injector.exe 4032 csrss.exe 4032 csrss.exe 4704 injector.exe 4704 injector.exe 4704 injector.exe 4704 injector.exe 4704 injector.exe 4704 injector.exe 4032 csrss.exe 4032 csrss.exe 4704 injector.exe 4704 injector.exe 4032 csrss.exe 4032 csrss.exe 4704 injector.exe 4704 injector.exe 4704 injector.exe 4704 injector.exe 4704 injector.exe 4704 injector.exe 4704 injector.exe 4704 injector.exe 4704 injector.exe 4704 injector.exe 4704 injector.exe 4704 injector.exe 4704 injector.exe 4704 injector.exe 4704 injector.exe 4704 injector.exe 4704 injector.exe 4704 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3688 powershell.exe Token: SeDebugPrivilege 740 82bf6a7603c61c7fc1a51ac2a403af58a40e94c52d7929ccf14cfe1653640daa.exe Token: SeImpersonatePrivilege 740 82bf6a7603c61c7fc1a51ac2a403af58a40e94c52d7929ccf14cfe1653640daa.exe Token: SeDebugPrivilege 1904 powershell.exe Token: SeDebugPrivilege 1928 powershell.exe Token: SeDebugPrivilege 1044 powershell.exe Token: SeDebugPrivilege 4220 powershell.exe Token: SeDebugPrivilege 1620 powershell.exe Token: SeDebugPrivilege 3520 powershell.exe Token: SeSystemEnvironmentPrivilege 4032 csrss.exe Token: SeSecurityPrivilege 2228 sc.exe Token: SeSecurityPrivilege 2228 sc.exe -
Suspicious use of WriteProcessMemory 33 IoCs
description pid Process procid_target PID 740 wrote to memory of 3688 740 82bf6a7603c61c7fc1a51ac2a403af58a40e94c52d7929ccf14cfe1653640daa.exe 86 PID 740 wrote to memory of 3688 740 82bf6a7603c61c7fc1a51ac2a403af58a40e94c52d7929ccf14cfe1653640daa.exe 86 PID 740 wrote to memory of 3688 740 82bf6a7603c61c7fc1a51ac2a403af58a40e94c52d7929ccf14cfe1653640daa.exe 86 PID 4112 wrote to memory of 1904 4112 82bf6a7603c61c7fc1a51ac2a403af58a40e94c52d7929ccf14cfe1653640daa.exe 93 PID 4112 wrote to memory of 1904 4112 82bf6a7603c61c7fc1a51ac2a403af58a40e94c52d7929ccf14cfe1653640daa.exe 93 PID 4112 wrote to memory of 1904 4112 82bf6a7603c61c7fc1a51ac2a403af58a40e94c52d7929ccf14cfe1653640daa.exe 93 PID 4112 wrote to memory of 1584 4112 82bf6a7603c61c7fc1a51ac2a403af58a40e94c52d7929ccf14cfe1653640daa.exe 96 PID 4112 wrote to memory of 1584 4112 82bf6a7603c61c7fc1a51ac2a403af58a40e94c52d7929ccf14cfe1653640daa.exe 96 PID 1584 wrote to memory of 2868 1584 cmd.exe 98 PID 1584 wrote to memory of 2868 1584 cmd.exe 98 PID 4112 wrote to memory of 1928 4112 82bf6a7603c61c7fc1a51ac2a403af58a40e94c52d7929ccf14cfe1653640daa.exe 99 PID 4112 wrote to memory of 1928 4112 82bf6a7603c61c7fc1a51ac2a403af58a40e94c52d7929ccf14cfe1653640daa.exe 99 PID 4112 wrote to memory of 1928 4112 82bf6a7603c61c7fc1a51ac2a403af58a40e94c52d7929ccf14cfe1653640daa.exe 99 PID 4112 wrote to memory of 1044 4112 82bf6a7603c61c7fc1a51ac2a403af58a40e94c52d7929ccf14cfe1653640daa.exe 101 PID 4112 wrote to memory of 1044 4112 82bf6a7603c61c7fc1a51ac2a403af58a40e94c52d7929ccf14cfe1653640daa.exe 101 PID 4112 wrote to memory of 1044 4112 82bf6a7603c61c7fc1a51ac2a403af58a40e94c52d7929ccf14cfe1653640daa.exe 101 PID 4112 wrote to memory of 4032 4112 82bf6a7603c61c7fc1a51ac2a403af58a40e94c52d7929ccf14cfe1653640daa.exe 103 PID 4112 wrote to memory of 4032 4112 82bf6a7603c61c7fc1a51ac2a403af58a40e94c52d7929ccf14cfe1653640daa.exe 103 PID 4112 wrote to memory of 4032 4112 82bf6a7603c61c7fc1a51ac2a403af58a40e94c52d7929ccf14cfe1653640daa.exe 103 PID 4032 wrote to memory of 4220 4032 csrss.exe 104 PID 4032 wrote to memory of 4220 4032 csrss.exe 104 PID 4032 wrote to memory of 4220 4032 csrss.exe 104 PID 4032 wrote to memory of 1620 4032 csrss.exe 110 PID 4032 wrote to memory of 1620 4032 csrss.exe 110 PID 4032 wrote to memory of 1620 4032 csrss.exe 110 PID 4032 wrote to memory of 3520 4032 csrss.exe 112 PID 4032 wrote to memory of 3520 4032 csrss.exe 112 PID 4032 wrote to memory of 3520 4032 csrss.exe 112 PID 4032 wrote to memory of 4704 4032 csrss.exe 114 PID 4032 wrote to memory of 4704 4032 csrss.exe 114 PID 2776 wrote to memory of 2208 2776 windefender.exe 120 PID 2776 wrote to memory of 2208 2776 windefender.exe 120 PID 2776 wrote to memory of 2208 2776 windefender.exe 120
Processes
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C:\Users\Admin\AppData\Local\Temp\82bf6a7603c61c7fc1a51ac2a403af58a40e94c52d7929ccf14cfe1653640daa.exe"C:\Users\Admin\AppData\Local\Temp\82bf6a7603c61c7fc1a51ac2a403af58a40e94c52d7929ccf14cfe1653640daa.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:740 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3688
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C:\Users\Admin\AppData\Local\Temp\82bf6a7603c61c7fc1a51ac2a403af58a40e94c52d7929ccf14cfe1653640daa.exe"C:\Users\Admin\AppData\Local\Temp\82bf6a7603c61c7fc1a51ac2a403af58a40e94c52d7929ccf14cfe1653640daa.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:4112 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1904
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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:1584 -
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:2868
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1928
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1044
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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:4032 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4220
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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:3148
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1812
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1620
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3520
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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:4704
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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:1528
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2776 -
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⤵PID:2208
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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:2228
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3948
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
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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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
MD5c18769d2b9f36defedb3502cecebdfa7
SHA1a333a0e4e5737f591ce94298e6cbec9256fa1dd5
SHA256b5c6e212382365d8fd31eb6a1661e5d266a43c9de3217b19bb68862df5f451d3
SHA512f3bf375a2ac8e508ce1ab33e9af24f223db09a456766bd8052c13e8131a53e20f33fa622c915eb03a258c3cc67c38dcf98d4b1cd9a616d18371fe24fcfc84f7d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58ee045305b1bdf21e8015f0f80a404d3
SHA11c10a7f7d7517579f22b4a938d0f7faee79c70bc
SHA25652bca796953703cf295af417e835ac8c0a812f4180c44270fa60000feb461f9e
SHA5125ad9bda160895fe1c4f67b3d827f17d31f72ba5805b93fff6c3d4fd3a37f23a0c727777344765fda9b011cc28e15f2f730742de7df5cd56d35cbb2c6b449ff85
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD564a832f07810f7aeaf67c3be0c4ed5f0
SHA17d9ea39044f2ce769ed2b4c8820d26edc157b7a5
SHA2562f2b0ff78d42116a289cb93ca624916d6cb5d3ec1ccc5b8956485a76d5133855
SHA5123e1c70c1a85281902bf8a25f6b45e87cc978a9f937aba7615b90f5a2d669182debf79b84bbae6c6a765336eacfd48d41e93db8ceef588b2ca319704f7304a2a1
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5955789f1b8cc26c0a264426486e96392
SHA197c7a4ca62efb96237aa5454aab06403fe0b71a4
SHA25655bb1b3816fabba53b462c8cff5c30c9837af11385e1bcedeb25a1c4fbfd493f
SHA5120bc7e262f4e9fc541520dcabf0c25a7daaf1799e9a09248b77ff8e9286ebbc935d1b77f18c6fcd57dceb8f1df4cb272d4a1a3d9fdf92f4cd4bc7ab17b12f51ac
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54d725a729966cef4e174be4f34e9ea35
SHA1d490054310325d6245fb5c7b67d91c2ad6c51cf9
SHA256dc35545a5ad474a4d341bd06031dc939c62ee580decb6eaa78df6a305dd28499
SHA512c9273aa05097393041c712a14cc2ec4a6bf6f08476033435866ce9a12c870e9246eac26738086862dbeb3fb7e8dc69510ade34a2c2fdd3d392f02532b0233c1b
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Filesize
4.1MB
MD550c00fdc1f7e0ea3708b862b3d84cce7
SHA1c917e77e18e5d955356c09c86fcf895c0e0beaf1
SHA25682bf6a7603c61c7fc1a51ac2a403af58a40e94c52d7929ccf14cfe1653640daa
SHA512482c43ca1cd39553497abbbdc483735c7c996cc5a328fb5303fe1a7e3c4927bd16fe4e0d86170d2a28c272f5f3eb07fc685fca039ee9cfe49f74510b774de283
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Filesize
4.1MB
MD550c00fdc1f7e0ea3708b862b3d84cce7
SHA1c917e77e18e5d955356c09c86fcf895c0e0beaf1
SHA25682bf6a7603c61c7fc1a51ac2a403af58a40e94c52d7929ccf14cfe1653640daa
SHA512482c43ca1cd39553497abbbdc483735c7c996cc5a328fb5303fe1a7e3c4927bd16fe4e0d86170d2a28c272f5f3eb07fc685fca039ee9cfe49f74510b774de283
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec