Analysis
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max time kernel
149s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
19-05-2024 16:24
Static task
static1
Behavioral task
behavioral1
Sample
5304a88d9b4e289f5272b09fece10bb6054c16564662316347bb5e287cbea036.exe
Resource
win10v2004-20240508-en
General
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Target
5304a88d9b4e289f5272b09fece10bb6054c16564662316347bb5e287cbea036.exe
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Size
4.1MB
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MD5
869365e1a5d0f9606c0e19e69653c355
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SHA1
40199e076c603c24dd4e6980f5f461bc33070f34
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SHA256
5304a88d9b4e289f5272b09fece10bb6054c16564662316347bb5e287cbea036
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SHA512
a0b776c009b6012eb4ae83b24d7f628cd57fe815758118daaa9ddff9fe3292fb6c25fc0271815517b084305a97072b9f93292adb8491d63322da019d91f70d35
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SSDEEP
98304:BvHfbigA34ifkpJZQU0TgaIfW6UkFHwAhDtgwFW+1L:BvHfb2IifudqhIuUHwAjW+5
Malware Config
Signatures
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Glupteba payload 19 IoCs
Processes:
resource yara_rule behavioral1/memory/3080-2-0x0000000004930000-0x000000000521B000-memory.dmp family_glupteba behavioral1/memory/3080-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3080-56-0x0000000004930000-0x000000000521B000-memory.dmp family_glupteba behavioral1/memory/3080-57-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3080-54-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/1780-187-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4564-217-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4564-227-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4564-230-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4564-233-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4564-237-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4564-239-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4564-242-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4564-245-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4564-249-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4564-251-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4564-254-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4564-257-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4564-261-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 2600 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 4564 csrss.exe 1120 injector.exe 960 windefender.exe 5032 windefender.exe -
Processes:
resource yara_rule behavioral1/files/0x00080000000235ef-221.dat upx behavioral1/memory/960-222-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/5032-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/960-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/5032-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/5032-235-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/5032-244-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
5304a88d9b4e289f5272b09fece10bb6054c16564662316347bb5e287cbea036.execsrss.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 5304a88d9b4e289f5272b09fece10bb6054c16564662316347bb5e287cbea036.exe Set value (str) \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\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\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
Processes:
5304a88d9b4e289f5272b09fece10bb6054c16564662316347bb5e287cbea036.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN 5304a88d9b4e289f5272b09fece10bb6054c16564662316347bb5e287cbea036.exe -
Drops file in Windows directory 4 IoCs
Processes:
5304a88d9b4e289f5272b09fece10bb6054c16564662316347bb5e287cbea036.execsrss.exedescription ioc Process File created C:\Windows\rss\csrss.exe 5304a88d9b4e289f5272b09fece10bb6054c16564662316347bb5e287cbea036.exe 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 5304a88d9b4e289f5272b09fece10bb6054c16564662316347bb5e287cbea036.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
Processes:
sc.exepid Process 2700 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 4300 powershell.exe 1288 powershell.exe 1128 powershell.exe 4712 powershell.exe 4348 powershell.exe 2884 powershell.exe 3244 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 4072 schtasks.exe 4844 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
5304a88d9b4e289f5272b09fece10bb6054c16564662316347bb5e287cbea036.exepowershell.exepowershell.exewindefender.exepowershell.exepowershell.exepowershell.exedescription ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time" 5304a88d9b4e289f5272b09fece10bb6054c16564662316347bb5e287cbea036.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs 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,-2432 = "Cuba Standard 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\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time" 5304a88d9b4e289f5272b09fece10bb6054c16564662316347bb5e287cbea036.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-431 = "Iran Daylight Time" 5304a88d9b4e289f5272b09fece10bb6054c16564662316347bb5e287cbea036.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2572 = "Turks and Caicos Standard Time" 5304a88d9b4e289f5272b09fece10bb6054c16564662316347bb5e287cbea036.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-661 = "Cen. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2871 = "Magallanes Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-591 = "Malay Peninsula Daylight Time" 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,-401 = "Arabic Daylight Time" 5304a88d9b4e289f5272b09fece10bb6054c16564662316347bb5e287cbea036.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)" 5304a88d9b4e289f5272b09fece10bb6054c16564662316347bb5e287cbea036.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time" 5304a88d9b4e289f5272b09fece10bb6054c16564662316347bb5e287cbea036.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" 5304a88d9b4e289f5272b09fece10bb6054c16564662316347bb5e287cbea036.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" 5304a88d9b4e289f5272b09fece10bb6054c16564662316347bb5e287cbea036.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-272 = "Greenwich Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2512 = "Lord Howe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-92 = "Pacific SA Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time" 5304a88d9b4e289f5272b09fece10bb6054c16564662316347bb5e287cbea036.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" 5304a88d9b4e289f5272b09fece10bb6054c16564662316347bb5e287cbea036.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time" 5304a88d9b4e289f5272b09fece10bb6054c16564662316347bb5e287cbea036.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" windefender.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,-962 = "Paraguay Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1871 = "Russia TZ 7 Daylight 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" 5304a88d9b4e289f5272b09fece10bb6054c16564662316347bb5e287cbea036.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time" 5304a88d9b4e289f5272b09fece10bb6054c16564662316347bb5e287cbea036.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time" 5304a88d9b4e289f5272b09fece10bb6054c16564662316347bb5e287cbea036.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" 5304a88d9b4e289f5272b09fece10bb6054c16564662316347bb5e287cbea036.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-442 = "Arabian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-412 = "E. Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-42 = "E. South America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-52 = "Greenland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1872 = "Russia TZ 7 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time" 5304a88d9b4e289f5272b09fece10bb6054c16564662316347bb5e287cbea036.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-671 = "AUS Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-172 = "Central Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-912 = "Mauritius Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time" 5304a88d9b4e289f5272b09fece10bb6054c16564662316347bb5e287cbea036.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" 5304a88d9b4e289f5272b09fece10bb6054c16564662316347bb5e287cbea036.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time" 5304a88d9b4e289f5272b09fece10bb6054c16564662316347bb5e287cbea036.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1661 = "Bahia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3141 = "South Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time" 5304a88d9b4e289f5272b09fece10bb6054c16564662316347bb5e287cbea036.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-662 = "Cen. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-262 = "GMT Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-871 = "Pakistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" 5304a88d9b4e289f5272b09fece10bb6054c16564662316347bb5e287cbea036.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)" 5304a88d9b4e289f5272b09fece10bb6054c16564662316347bb5e287cbea036.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" 5304a88d9b4e289f5272b09fece10bb6054c16564662316347bb5e287cbea036.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" 5304a88d9b4e289f5272b09fece10bb6054c16564662316347bb5e287cbea036.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe5304a88d9b4e289f5272b09fece10bb6054c16564662316347bb5e287cbea036.exepowershell.exe5304a88d9b4e289f5272b09fece10bb6054c16564662316347bb5e287cbea036.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 2884 powershell.exe 2884 powershell.exe 2884 powershell.exe 3080 5304a88d9b4e289f5272b09fece10bb6054c16564662316347bb5e287cbea036.exe 3080 5304a88d9b4e289f5272b09fece10bb6054c16564662316347bb5e287cbea036.exe 3244 powershell.exe 3244 powershell.exe 3244 powershell.exe 1780 5304a88d9b4e289f5272b09fece10bb6054c16564662316347bb5e287cbea036.exe 1780 5304a88d9b4e289f5272b09fece10bb6054c16564662316347bb5e287cbea036.exe 1780 5304a88d9b4e289f5272b09fece10bb6054c16564662316347bb5e287cbea036.exe 1780 5304a88d9b4e289f5272b09fece10bb6054c16564662316347bb5e287cbea036.exe 1780 5304a88d9b4e289f5272b09fece10bb6054c16564662316347bb5e287cbea036.exe 1780 5304a88d9b4e289f5272b09fece10bb6054c16564662316347bb5e287cbea036.exe 1780 5304a88d9b4e289f5272b09fece10bb6054c16564662316347bb5e287cbea036.exe 1780 5304a88d9b4e289f5272b09fece10bb6054c16564662316347bb5e287cbea036.exe 1780 5304a88d9b4e289f5272b09fece10bb6054c16564662316347bb5e287cbea036.exe 1780 5304a88d9b4e289f5272b09fece10bb6054c16564662316347bb5e287cbea036.exe 4300 powershell.exe 4300 powershell.exe 4300 powershell.exe 1288 powershell.exe 1288 powershell.exe 1288 powershell.exe 1128 powershell.exe 1128 powershell.exe 1128 powershell.exe 4712 powershell.exe 4712 powershell.exe 4712 powershell.exe 4348 powershell.exe 4348 powershell.exe 4348 powershell.exe 1120 injector.exe 1120 injector.exe 1120 injector.exe 1120 injector.exe 1120 injector.exe 1120 injector.exe 4564 csrss.exe 4564 csrss.exe 1120 injector.exe 1120 injector.exe 1120 injector.exe 1120 injector.exe 1120 injector.exe 1120 injector.exe 4564 csrss.exe 4564 csrss.exe 1120 injector.exe 1120 injector.exe 1120 injector.exe 1120 injector.exe 4564 csrss.exe 4564 csrss.exe 1120 injector.exe 1120 injector.exe 1120 injector.exe 1120 injector.exe 1120 injector.exe 1120 injector.exe 1120 injector.exe 1120 injector.exe 1120 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe5304a88d9b4e289f5272b09fece10bb6054c16564662316347bb5e287cbea036.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 2884 powershell.exe Token: SeDebugPrivilege 3080 5304a88d9b4e289f5272b09fece10bb6054c16564662316347bb5e287cbea036.exe Token: SeImpersonatePrivilege 3080 5304a88d9b4e289f5272b09fece10bb6054c16564662316347bb5e287cbea036.exe Token: SeDebugPrivilege 3244 powershell.exe Token: SeDebugPrivilege 4300 powershell.exe Token: SeDebugPrivilege 1288 powershell.exe Token: SeDebugPrivilege 1128 powershell.exe Token: SeDebugPrivilege 4712 powershell.exe Token: SeDebugPrivilege 4348 powershell.exe Token: SeSystemEnvironmentPrivilege 4564 csrss.exe Token: SeSecurityPrivilege 2700 sc.exe Token: SeSecurityPrivilege 2700 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
5304a88d9b4e289f5272b09fece10bb6054c16564662316347bb5e287cbea036.exe5304a88d9b4e289f5272b09fece10bb6054c16564662316347bb5e287cbea036.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 3080 wrote to memory of 2884 3080 5304a88d9b4e289f5272b09fece10bb6054c16564662316347bb5e287cbea036.exe 94 PID 3080 wrote to memory of 2884 3080 5304a88d9b4e289f5272b09fece10bb6054c16564662316347bb5e287cbea036.exe 94 PID 3080 wrote to memory of 2884 3080 5304a88d9b4e289f5272b09fece10bb6054c16564662316347bb5e287cbea036.exe 94 PID 1780 wrote to memory of 3244 1780 5304a88d9b4e289f5272b09fece10bb6054c16564662316347bb5e287cbea036.exe 106 PID 1780 wrote to memory of 3244 1780 5304a88d9b4e289f5272b09fece10bb6054c16564662316347bb5e287cbea036.exe 106 PID 1780 wrote to memory of 3244 1780 5304a88d9b4e289f5272b09fece10bb6054c16564662316347bb5e287cbea036.exe 106 PID 1780 wrote to memory of 1968 1780 5304a88d9b4e289f5272b09fece10bb6054c16564662316347bb5e287cbea036.exe 110 PID 1780 wrote to memory of 1968 1780 5304a88d9b4e289f5272b09fece10bb6054c16564662316347bb5e287cbea036.exe 110 PID 1968 wrote to memory of 2600 1968 cmd.exe 112 PID 1968 wrote to memory of 2600 1968 cmd.exe 112 PID 1780 wrote to memory of 4300 1780 5304a88d9b4e289f5272b09fece10bb6054c16564662316347bb5e287cbea036.exe 113 PID 1780 wrote to memory of 4300 1780 5304a88d9b4e289f5272b09fece10bb6054c16564662316347bb5e287cbea036.exe 113 PID 1780 wrote to memory of 4300 1780 5304a88d9b4e289f5272b09fece10bb6054c16564662316347bb5e287cbea036.exe 113 PID 1780 wrote to memory of 1288 1780 5304a88d9b4e289f5272b09fece10bb6054c16564662316347bb5e287cbea036.exe 116 PID 1780 wrote to memory of 1288 1780 5304a88d9b4e289f5272b09fece10bb6054c16564662316347bb5e287cbea036.exe 116 PID 1780 wrote to memory of 1288 1780 5304a88d9b4e289f5272b09fece10bb6054c16564662316347bb5e287cbea036.exe 116 PID 1780 wrote to memory of 4564 1780 5304a88d9b4e289f5272b09fece10bb6054c16564662316347bb5e287cbea036.exe 118 PID 1780 wrote to memory of 4564 1780 5304a88d9b4e289f5272b09fece10bb6054c16564662316347bb5e287cbea036.exe 118 PID 1780 wrote to memory of 4564 1780 5304a88d9b4e289f5272b09fece10bb6054c16564662316347bb5e287cbea036.exe 118 PID 4564 wrote to memory of 1128 4564 csrss.exe 119 PID 4564 wrote to memory of 1128 4564 csrss.exe 119 PID 4564 wrote to memory of 1128 4564 csrss.exe 119 PID 4564 wrote to memory of 4712 4564 csrss.exe 124 PID 4564 wrote to memory of 4712 4564 csrss.exe 124 PID 4564 wrote to memory of 4712 4564 csrss.exe 124 PID 4564 wrote to memory of 4348 4564 csrss.exe 127 PID 4564 wrote to memory of 4348 4564 csrss.exe 127 PID 4564 wrote to memory of 4348 4564 csrss.exe 127 PID 4564 wrote to memory of 1120 4564 csrss.exe 129 PID 4564 wrote to memory of 1120 4564 csrss.exe 129 PID 960 wrote to memory of 3984 960 windefender.exe 135 PID 960 wrote to memory of 3984 960 windefender.exe 135 PID 960 wrote to memory of 3984 960 windefender.exe 135 PID 3984 wrote to memory of 2700 3984 cmd.exe 136 PID 3984 wrote to memory of 2700 3984 cmd.exe 136 PID 3984 wrote to memory of 2700 3984 cmd.exe 136 -
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\5304a88d9b4e289f5272b09fece10bb6054c16564662316347bb5e287cbea036.exe"C:\Users\Admin\AppData\Local\Temp\5304a88d9b4e289f5272b09fece10bb6054c16564662316347bb5e287cbea036.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3080 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2884
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C:\Users\Admin\AppData\Local\Temp\5304a88d9b4e289f5272b09fece10bb6054c16564662316347bb5e287cbea036.exe"C:\Users\Admin\AppData\Local\Temp\5304a88d9b4e289f5272b09fece10bb6054c16564662316347bb5e287cbea036.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:1780 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3244
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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:1968 -
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:2600
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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:4300
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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:1288
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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:4564 -
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:1128
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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:4072
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1740
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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:4712
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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:4348
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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:1120
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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:4844
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:960 -
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:3984 -
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:2700
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4028,i,10373433614523925616,13586256558317053467,262144 --variations-seed-version --mojo-platform-channel-handle=4196 /prefetch:81⤵PID:1756
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:5032
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54f77717f8b90a6565db4e95f21253cf3
SHA1e5f2f7d8e8f69b44dc2d51c01dfedd9a53d0b445
SHA25636a932130155f78a3eff8a3175ff372e4fb15393590acde50b308c6d0db0636e
SHA512757184d0bb6759835af30d7bf69daf46006149c4949444c86109683767842e48d5349c0b0199621c55e5f149f7a77062887546b64b61c2524806ed8857e144ed
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5988e7dbd460bd80848239ebf3642fa8e
SHA1d8e18b9569515b9b7e509244fa235ede8d1b7b0f
SHA256df57e97a73871c8c0c5b4a7e1c4e781ad6a88068377eb13951f8673662f4761b
SHA51276c35d9a57a36fd9bdf5dbf44d5cc974fbfec195c0fb1a87a1555a593e027c921ce13eeed997ab119be2a044fdb6504cc3418d14a73c7d6b1a34d78b06c6b455
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e30f3577a1c2deebdde249972c35471d
SHA1497a153eb08d8e887924d9aea4f2381edb7a0408
SHA256d65e2de0c7acfdaedae220365661f77157bb03de2422703edd4b395a20e7a2a8
SHA512b20d0678e9057575f791e5ab7025b30a18a25b7a13bf7b3cfcf5abc4d4f7a63e81dddc1b8d847bab7b6b393cd597beb8fb36a6a4ef8a268c41d91de98b8894dd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58c0ca2b875edb1731fa6cb1d0c2ec706
SHA15d2741857feb84432b0e42ca1392fb2aaf9b728f
SHA256f722fe102bab57bf35880e1ccd805963e6c708b050cfcd0eb6ee887d223744d9
SHA5123f82e18b4f8cfaa4e84b91f32643c722258735568b9d6ad61b81da67c233832a64448ee3a41b7f3fba123731ba7ab6bfa3b5526df4069a5ffcef3faaa45f9e6f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ac03d41baef0f3d5adba7af0556270c3
SHA1d0a93f0559d2a4fb001291f6656449822f005019
SHA2567abec23bc09210bbf14ff48d1127852ec2bdc0f7791152236ee2008e01f726c7
SHA5120587d92444b4062770251b9b85f6762f4de4196780bbc0988a4ab3b444eafc93dedb600f6365343e312939af49839339db0cb7bf1b14af4964710237c9239725
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Filesize
4.1MB
MD5869365e1a5d0f9606c0e19e69653c355
SHA140199e076c603c24dd4e6980f5f461bc33070f34
SHA2565304a88d9b4e289f5272b09fece10bb6054c16564662316347bb5e287cbea036
SHA512a0b776c009b6012eb4ae83b24d7f628cd57fe815758118daaa9ddff9fe3292fb6c25fc0271815517b084305a97072b9f93292adb8491d63322da019d91f70d35
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec