Analysis
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max time kernel
149s -
max time network
122s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
17-05-2024 13:23
Static task
static1
Behavioral task
behavioral1
Sample
35ac138eb73dd1225758649b799cc73aaf7e2678c64f36fae8a9b1a7879b4ff8.exe
Resource
win10v2004-20240426-en
General
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Target
35ac138eb73dd1225758649b799cc73aaf7e2678c64f36fae8a9b1a7879b4ff8.exe
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Size
4.1MB
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MD5
0f07ae77a24f6f3eaec531eff1e38ec0
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SHA1
68f06135f177c8f8c5d00b93809c64463fc1ebea
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SHA256
35ac138eb73dd1225758649b799cc73aaf7e2678c64f36fae8a9b1a7879b4ff8
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SHA512
af8b1577c21b3e3af66390d06ca0c84d64e0c1e775de3e4f39cc445f7f570a5ad68f99a5d48277a41afba6c449e364b09905dfc4e491d92c008677f65c87af4b
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SSDEEP
98304:EQJMl/iXMhTmfDhNRe9xfYVEx7xkD10HZd3scl3XzHAtmo0Fz:/b8hTmbBIxHPR3rn3oKz
Malware Config
Signatures
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Glupteba payload 19 IoCs
Processes:
resource yara_rule behavioral2/memory/4936-2-0x0000000004DA0000-0x000000000568B000-memory.dmp family_glupteba behavioral2/memory/4936-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4936-23-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4936-54-0x0000000004DA0000-0x000000000568B000-memory.dmp family_glupteba behavioral2/memory/4936-53-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4936-51-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2392-80-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2392-126-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4080-140-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4080-206-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4080-216-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4080-217-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4080-220-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4080-222-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4080-224-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4080-225-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4080-228-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4080-230-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4080-232-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 1524 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid process 4080 csrss.exe 1608 injector.exe 1512 windefender.exe 2620 windefender.exe -
Processes:
resource yara_rule C:\Windows\windefender.exe upx behavioral2/memory/1512-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2620-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1512-215-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2620-218-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2620-221-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
35ac138eb73dd1225758649b799cc73aaf7e2678c64f36fae8a9b1a7879b4ff8.execsrss.exedescription 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\"" 35ac138eb73dd1225758649b799cc73aaf7e2678c64f36fae8a9b1a7879b4ff8.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.
Processes:
csrss.exedescription ioc process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc process File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
Processes:
35ac138eb73dd1225758649b799cc73aaf7e2678c64f36fae8a9b1a7879b4ff8.exedescription ioc process File opened (read-only) \??\VBoxMiniRdrDN 35ac138eb73dd1225758649b799cc73aaf7e2678c64f36fae8a9b1a7879b4ff8.exe -
Drops file in Windows directory 4 IoCs
Processes:
csrss.exe35ac138eb73dd1225758649b799cc73aaf7e2678c64f36fae8a9b1a7879b4ff8.exedescription 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 35ac138eb73dd1225758649b799cc73aaf7e2678c64f36fae8a9b1a7879b4ff8.exe File created C:\Windows\rss\csrss.exe 35ac138eb73dd1225758649b799cc73aaf7e2678c64f36fae8a9b1a7879b4ff8.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
Processes:
sc.exepid process 1172 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid process 4628 powershell.exe 2208 powershell.exe 2784 powershell.exe 964 powershell.exe 1660 powershell.exe 4652 powershell.exe 1984 powershell.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exepid process 2012 schtasks.exe 3336 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
powershell.exewindefender.exe35ac138eb73dd1225758649b799cc73aaf7e2678c64f36fae8a9b1a7879b4ff8.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2491 = "Aus Central W. Daylight 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" 35ac138eb73dd1225758649b799cc73aaf7e2678c64f36fae8a9b1a7879b4ff8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" 35ac138eb73dd1225758649b799cc73aaf7e2678c64f36fae8a9b1a7879b4ff8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time" 35ac138eb73dd1225758649b799cc73aaf7e2678c64f36fae8a9b1a7879b4ff8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2342 = "Haiti Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-601 = "Taipei Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time" 35ac138eb73dd1225758649b799cc73aaf7e2678c64f36fae8a9b1a7879b4ff8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time" 35ac138eb73dd1225758649b799cc73aaf7e2678c64f36fae8a9b1a7879b4ff8.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,-2041 = "Eastern Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-691 = "Tasmania Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" 35ac138eb73dd1225758649b799cc73aaf7e2678c64f36fae8a9b1a7879b4ff8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.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\2a\52C64B7E\@tzres.dll,-671 = "AUS Eastern 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,-911 = "Mauritius Daylight 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\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time" 35ac138eb73dd1225758649b799cc73aaf7e2678c64f36fae8a9b1a7879b4ff8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust 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\2a\52C64B7E\@tzres.dll,-1472 = "Magadan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time" 35ac138eb73dd1225758649b799cc73aaf7e2678c64f36fae8a9b1a7879b4ff8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-142 = "Canada Central Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe 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,-2392 = "Aleutian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" 35ac138eb73dd1225758649b799cc73aaf7e2678c64f36fae8a9b1a7879b4ff8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time" 35ac138eb73dd1225758649b799cc73aaf7e2678c64f36fae8a9b1a7879b4ff8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1862 = "Russia TZ 6 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1411 = "Syria Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-771 = "Montevideo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" 35ac138eb73dd1225758649b799cc73aaf7e2678c64f36fae8a9b1a7879b4ff8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-162 = "Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time" 35ac138eb73dd1225758649b799cc73aaf7e2678c64f36fae8a9b1a7879b4ff8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time" 35ac138eb73dd1225758649b799cc73aaf7e2678c64f36fae8a9b1a7879b4ff8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-341 = "Egypt Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time" 35ac138eb73dd1225758649b799cc73aaf7e2678c64f36fae8a9b1a7879b4ff8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-301 = "Romance Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time" 35ac138eb73dd1225758649b799cc73aaf7e2678c64f36fae8a9b1a7879b4ff8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-151 = "Central America 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,-435 = "Georgian Standard Time" 35ac138eb73dd1225758649b799cc73aaf7e2678c64f36fae8a9b1a7879b4ff8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time" 35ac138eb73dd1225758649b799cc73aaf7e2678c64f36fae8a9b1a7879b4ff8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)" 35ac138eb73dd1225758649b799cc73aaf7e2678c64f36fae8a9b1a7879b4ff8.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe35ac138eb73dd1225758649b799cc73aaf7e2678c64f36fae8a9b1a7879b4ff8.exepowershell.exe35ac138eb73dd1225758649b799cc73aaf7e2678c64f36fae8a9b1a7879b4ff8.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid process 964 powershell.exe 964 powershell.exe 4936 35ac138eb73dd1225758649b799cc73aaf7e2678c64f36fae8a9b1a7879b4ff8.exe 4936 35ac138eb73dd1225758649b799cc73aaf7e2678c64f36fae8a9b1a7879b4ff8.exe 1660 powershell.exe 1660 powershell.exe 2392 35ac138eb73dd1225758649b799cc73aaf7e2678c64f36fae8a9b1a7879b4ff8.exe 2392 35ac138eb73dd1225758649b799cc73aaf7e2678c64f36fae8a9b1a7879b4ff8.exe 2392 35ac138eb73dd1225758649b799cc73aaf7e2678c64f36fae8a9b1a7879b4ff8.exe 2392 35ac138eb73dd1225758649b799cc73aaf7e2678c64f36fae8a9b1a7879b4ff8.exe 2392 35ac138eb73dd1225758649b799cc73aaf7e2678c64f36fae8a9b1a7879b4ff8.exe 2392 35ac138eb73dd1225758649b799cc73aaf7e2678c64f36fae8a9b1a7879b4ff8.exe 2392 35ac138eb73dd1225758649b799cc73aaf7e2678c64f36fae8a9b1a7879b4ff8.exe 2392 35ac138eb73dd1225758649b799cc73aaf7e2678c64f36fae8a9b1a7879b4ff8.exe 2392 35ac138eb73dd1225758649b799cc73aaf7e2678c64f36fae8a9b1a7879b4ff8.exe 2392 35ac138eb73dd1225758649b799cc73aaf7e2678c64f36fae8a9b1a7879b4ff8.exe 4652 powershell.exe 4652 powershell.exe 1984 powershell.exe 1984 powershell.exe 4628 powershell.exe 4628 powershell.exe 2208 powershell.exe 2208 powershell.exe 2784 powershell.exe 2784 powershell.exe 1608 injector.exe 1608 injector.exe 1608 injector.exe 1608 injector.exe 1608 injector.exe 1608 injector.exe 4080 csrss.exe 4080 csrss.exe 1608 injector.exe 1608 injector.exe 1608 injector.exe 1608 injector.exe 1608 injector.exe 1608 injector.exe 4080 csrss.exe 4080 csrss.exe 1608 injector.exe 1608 injector.exe 4080 csrss.exe 4080 csrss.exe 1608 injector.exe 1608 injector.exe 1608 injector.exe 1608 injector.exe 1608 injector.exe 1608 injector.exe 1608 injector.exe 1608 injector.exe 1608 injector.exe 1608 injector.exe 1608 injector.exe 1608 injector.exe 1608 injector.exe 1608 injector.exe 1608 injector.exe 1608 injector.exe 1608 injector.exe 1608 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe35ac138eb73dd1225758649b799cc73aaf7e2678c64f36fae8a9b1a7879b4ff8.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid process Token: SeDebugPrivilege 964 powershell.exe Token: SeDebugPrivilege 4936 35ac138eb73dd1225758649b799cc73aaf7e2678c64f36fae8a9b1a7879b4ff8.exe Token: SeImpersonatePrivilege 4936 35ac138eb73dd1225758649b799cc73aaf7e2678c64f36fae8a9b1a7879b4ff8.exe Token: SeDebugPrivilege 1660 powershell.exe Token: SeDebugPrivilege 4652 powershell.exe Token: SeDebugPrivilege 1984 powershell.exe Token: SeDebugPrivilege 4628 powershell.exe Token: SeDebugPrivilege 2208 powershell.exe Token: SeDebugPrivilege 2784 powershell.exe Token: SeSystemEnvironmentPrivilege 4080 csrss.exe Token: SeSecurityPrivilege 1172 sc.exe Token: SeSecurityPrivilege 1172 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
35ac138eb73dd1225758649b799cc73aaf7e2678c64f36fae8a9b1a7879b4ff8.exe35ac138eb73dd1225758649b799cc73aaf7e2678c64f36fae8a9b1a7879b4ff8.execmd.execsrss.exewindefender.execmd.exedescription pid process target process PID 4936 wrote to memory of 964 4936 35ac138eb73dd1225758649b799cc73aaf7e2678c64f36fae8a9b1a7879b4ff8.exe powershell.exe PID 4936 wrote to memory of 964 4936 35ac138eb73dd1225758649b799cc73aaf7e2678c64f36fae8a9b1a7879b4ff8.exe powershell.exe PID 4936 wrote to memory of 964 4936 35ac138eb73dd1225758649b799cc73aaf7e2678c64f36fae8a9b1a7879b4ff8.exe powershell.exe PID 2392 wrote to memory of 1660 2392 35ac138eb73dd1225758649b799cc73aaf7e2678c64f36fae8a9b1a7879b4ff8.exe powershell.exe PID 2392 wrote to memory of 1660 2392 35ac138eb73dd1225758649b799cc73aaf7e2678c64f36fae8a9b1a7879b4ff8.exe powershell.exe PID 2392 wrote to memory of 1660 2392 35ac138eb73dd1225758649b799cc73aaf7e2678c64f36fae8a9b1a7879b4ff8.exe powershell.exe PID 2392 wrote to memory of 2260 2392 35ac138eb73dd1225758649b799cc73aaf7e2678c64f36fae8a9b1a7879b4ff8.exe cmd.exe PID 2392 wrote to memory of 2260 2392 35ac138eb73dd1225758649b799cc73aaf7e2678c64f36fae8a9b1a7879b4ff8.exe cmd.exe PID 2260 wrote to memory of 1524 2260 cmd.exe netsh.exe PID 2260 wrote to memory of 1524 2260 cmd.exe netsh.exe PID 2392 wrote to memory of 4652 2392 35ac138eb73dd1225758649b799cc73aaf7e2678c64f36fae8a9b1a7879b4ff8.exe powershell.exe PID 2392 wrote to memory of 4652 2392 35ac138eb73dd1225758649b799cc73aaf7e2678c64f36fae8a9b1a7879b4ff8.exe powershell.exe PID 2392 wrote to memory of 4652 2392 35ac138eb73dd1225758649b799cc73aaf7e2678c64f36fae8a9b1a7879b4ff8.exe powershell.exe PID 2392 wrote to memory of 1984 2392 35ac138eb73dd1225758649b799cc73aaf7e2678c64f36fae8a9b1a7879b4ff8.exe powershell.exe PID 2392 wrote to memory of 1984 2392 35ac138eb73dd1225758649b799cc73aaf7e2678c64f36fae8a9b1a7879b4ff8.exe powershell.exe PID 2392 wrote to memory of 1984 2392 35ac138eb73dd1225758649b799cc73aaf7e2678c64f36fae8a9b1a7879b4ff8.exe powershell.exe PID 2392 wrote to memory of 4080 2392 35ac138eb73dd1225758649b799cc73aaf7e2678c64f36fae8a9b1a7879b4ff8.exe csrss.exe PID 2392 wrote to memory of 4080 2392 35ac138eb73dd1225758649b799cc73aaf7e2678c64f36fae8a9b1a7879b4ff8.exe csrss.exe PID 2392 wrote to memory of 4080 2392 35ac138eb73dd1225758649b799cc73aaf7e2678c64f36fae8a9b1a7879b4ff8.exe csrss.exe PID 4080 wrote to memory of 4628 4080 csrss.exe powershell.exe PID 4080 wrote to memory of 4628 4080 csrss.exe powershell.exe PID 4080 wrote to memory of 4628 4080 csrss.exe powershell.exe PID 4080 wrote to memory of 2208 4080 csrss.exe powershell.exe PID 4080 wrote to memory of 2208 4080 csrss.exe powershell.exe PID 4080 wrote to memory of 2208 4080 csrss.exe powershell.exe PID 4080 wrote to memory of 2784 4080 csrss.exe powershell.exe PID 4080 wrote to memory of 2784 4080 csrss.exe powershell.exe PID 4080 wrote to memory of 2784 4080 csrss.exe powershell.exe PID 4080 wrote to memory of 1608 4080 csrss.exe injector.exe PID 4080 wrote to memory of 1608 4080 csrss.exe injector.exe PID 1512 wrote to memory of 5116 1512 windefender.exe cmd.exe PID 1512 wrote to memory of 5116 1512 windefender.exe cmd.exe PID 1512 wrote to memory of 5116 1512 windefender.exe cmd.exe PID 5116 wrote to memory of 1172 5116 cmd.exe sc.exe PID 5116 wrote to memory of 1172 5116 cmd.exe sc.exe PID 5116 wrote to memory of 1172 5116 cmd.exe sc.exe -
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\35ac138eb73dd1225758649b799cc73aaf7e2678c64f36fae8a9b1a7879b4ff8.exe"C:\Users\Admin\AppData\Local\Temp\35ac138eb73dd1225758649b799cc73aaf7e2678c64f36fae8a9b1a7879b4ff8.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4936 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:964 -
C:\Users\Admin\AppData\Local\Temp\35ac138eb73dd1225758649b799cc73aaf7e2678c64f36fae8a9b1a7879b4ff8.exe"C:\Users\Admin\AppData\Local\Temp\35ac138eb73dd1225758649b799cc73aaf7e2678c64f36fae8a9b1a7879b4ff8.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:1660 -
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:2260 -
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:1524 -
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:4652 -
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:1984 -
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:4080 -
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:4628 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:2012 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2204
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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:2208 -
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:2784 -
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:1608 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:3336 -
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1512 -
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:5116 -
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:1172
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2620
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
MD5439e574feac4716de20bb942ccde4f50
SHA1e647e2afa8fc4aecdf18966ff79afb25310cb396
SHA25664e6baa99e9ce8d559c51cf893b89df8b4599c740e13b6f820259edfa3ea315d
SHA5123bb1c6870cc1345c14fcd7696a46c551ca7211acfb7eee6c1f298a62251383799a7139c3753803ca524fec852fbd5405b3311fe444079f931fd5b88c94af933a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5386b543619df47f2a084f303da0ce48d
SHA19769b4db5ff1e94ab733c081a89e7c064a3fa871
SHA256327061a76b4bbf23c269d1a6b6d4876e8931496ef5acce32d48b9c6b19d4603c
SHA5125a67e1e975d9c810cf3dcf16e588d5cf0c65d1ec04de972253dc8c1a7be13c59c9dfb4944ee8526e1210155ea92c54acc8915390b2906b4929b904461d00b13a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c3b38bee2d82a108f500e45520f22c2b
SHA1f3e0d8ea073efb0fcfc35f16b4724c39e2c938d0
SHA2561265c066834271ab0703e9ab1006c6c0a37449111c14878bf479e4093551c971
SHA512b73f39185dda66bcd8e7852e101551f43d2f1caf4a55b3d1fec61b9c8c866d3475079cf9d3e9846fd66c397b0bba7a3e64f50076cef1ff7bef3f6d08ea51eed3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a11b0c2d2c94fd40bbda6fa32d8c27ec
SHA11ea34f9a6743951286bfec5d1f9feb6fe9154c2a
SHA25647a6601ce01ec0bb10532e7ba03fe425775cd9d035a8efa99eda2e331ec2ca8a
SHA5120b916aaf9f007f985b9982e6b5c4ad259ee52bbd94de1e55612bb844f0a0fe692613674f84c33202588ea9b043e14d74fa65fb4ea7029eaa00998aa9e898b19f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b12df1907c59a6bd8bb565151402acf5
SHA1ebf09d137425e4509a00b86587d049eb9ddf2d3e
SHA2568f5daa584e399729a7d7480b1eb1cbfba3cd620e4cbc82e1d8a015d2d2a11e94
SHA5125f43e76558869d98b5140c3ada05b12e7f4d3ec3977ec957e3eed6762a211b0a8f768e83b320634f34623cdc530a93eb24b3d951c7de7b5ce88675bafc3c49e3
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Filesize
4.1MB
MD50f07ae77a24f6f3eaec531eff1e38ec0
SHA168f06135f177c8f8c5d00b93809c64463fc1ebea
SHA25635ac138eb73dd1225758649b799cc73aaf7e2678c64f36fae8a9b1a7879b4ff8
SHA512af8b1577c21b3e3af66390d06ca0c84d64e0c1e775de3e4f39cc445f7f570a5ad68f99a5d48277a41afba6c449e364b09905dfc4e491d92c008677f65c87af4b
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec