Analysis
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max time kernel
149s -
max time network
129s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
19-05-2024 11:13
Static task
static1
Behavioral task
behavioral1
Sample
e057863a480e83007204ca6c7df40f01e9193752db018a1567ce55d6e04b8e59.exe
Resource
win10v2004-20240426-en
General
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Target
e057863a480e83007204ca6c7df40f01e9193752db018a1567ce55d6e04b8e59.exe
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Size
4.1MB
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MD5
cd6a9d6af27760faccc9744d28dfa20b
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SHA1
20d2dae03950d62269fda4d883cf8edd03c771a4
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SHA256
e057863a480e83007204ca6c7df40f01e9193752db018a1567ce55d6e04b8e59
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SHA512
d54cf80e4b0dc3c4171bb2b8eadf69f052b17892882d1c97b3c88a8b1dabdfe541fb87551ce609c39e00e05246a9aa5a28a952f96957a23ee189a1da093b2444
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SSDEEP
98304:dH+PiUxpnK5pcCD6RLXH4DRMjOnEmJ5mWZ44js55cU5wvI2H:dH+PiSfw6Rz4ejOEAZ44S5J5ww2H
Malware Config
Signatures
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Glupteba payload 18 IoCs
Processes:
resource yara_rule behavioral1/memory/460-2-0x0000000004480000-0x0000000004D6B000-memory.dmp family_glupteba behavioral1/memory/460-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/460-56-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/460-57-0x0000000004480000-0x0000000004D6B000-memory.dmp family_glupteba behavioral1/memory/460-55-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/4332-133-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/3448-218-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/3448-227-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/3448-230-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/3448-232-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/3448-234-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/3448-237-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/3448-238-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/3448-240-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/3448-242-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/3448-245-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/3448-246-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/3448-248-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 4412 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 3448 csrss.exe 4924 injector.exe 2276 windefender.exe 4032 windefender.exe -
Processes:
resource yara_rule behavioral1/files/0x00090000000234af-221.dat upx behavioral1/memory/2276-222-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2276-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4032-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4032-233-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
e057863a480e83007204ca6c7df40f01e9193752db018a1567ce55d6e04b8e59.execsrss.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" e057863a480e83007204ca6c7df40f01e9193752db018a1567ce55d6e04b8e59.exe Set value (str) \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\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 opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
Processes:
e057863a480e83007204ca6c7df40f01e9193752db018a1567ce55d6e04b8e59.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN e057863a480e83007204ca6c7df40f01e9193752db018a1567ce55d6e04b8e59.exe -
Drops file in Windows directory 4 IoCs
Processes:
e057863a480e83007204ca6c7df40f01e9193752db018a1567ce55d6e04b8e59.execsrss.exedescription ioc Process File created C:\Windows\rss\csrss.exe e057863a480e83007204ca6c7df40f01e9193752db018a1567ce55d6e04b8e59.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 e057863a480e83007204ca6c7df40f01e9193752db018a1567ce55d6e04b8e59.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
Processes:
sc.exepid Process 920 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 3908 powershell.exe 4584 powershell.exe 1032 powershell.exe 1140 powershell.exe 2692 powershell.exe 1648 powershell.exe 3456 powershell.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target Process procid_target 2296 460 WerFault.exe 81 -
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 4904 schtasks.exe 4928 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
powershell.exewindefender.exepowershell.exepowershell.exepowershell.exepowershell.exee057863a480e83007204ca6c7df40f01e9193752db018a1567ce55d6e04b8e59.exepowershell.exedescription ioc Process 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,-2431 = "Cuba 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\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople 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,-3141 = "South Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-692 = "Tasmania Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time" e057863a480e83007204ca6c7df40f01e9193752db018a1567ce55d6e04b8e59.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-622 = "Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-121 = "SA Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2492 = "Aus Central W. Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time" e057863a480e83007204ca6c7df40f01e9193752db018a1567ce55d6e04b8e59.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time" e057863a480e83007204ca6c7df40f01e9193752db018a1567ce55d6e04b8e59.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" e057863a480e83007204ca6c7df40f01e9193752db018a1567ce55d6e04b8e59.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time" e057863a480e83007204ca6c7df40f01e9193752db018a1567ce55d6e04b8e59.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.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\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time" e057863a480e83007204ca6c7df40f01e9193752db018a1567ce55d6e04b8e59.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-572 = "China Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-531 = "Sri Lanka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-752 = "Tonga Standard Time" windefender.exe 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\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. Standard Time" e057863a480e83007204ca6c7df40f01e9193752db018a1567ce55d6e04b8e59.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" e057863a480e83007204ca6c7df40f01e9193752db018a1567ce55d6e04b8e59.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" e057863a480e83007204ca6c7df40f01e9193752db018a1567ce55d6e04b8e59.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time" e057863a480e83007204ca6c7df40f01e9193752db018a1567ce55d6e04b8e59.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" e057863a480e83007204ca6c7df40f01e9193752db018a1567ce55d6e04b8e59.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time" e057863a480e83007204ca6c7df40f01e9193752db018a1567ce55d6e04b8e59.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" e057863a480e83007204ca6c7df40f01e9193752db018a1567ce55d6e04b8e59.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-651 = "AUS Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1662 = "Bahia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-331 = "E. Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2412 = "Marquesas 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" e057863a480e83007204ca6c7df40f01e9193752db018a1567ce55d6e04b8e59.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time" e057863a480e83007204ca6c7df40f01e9193752db018a1567ce55d6e04b8e59.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates 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,-435 = "Georgian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-202 = "US Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time" e057863a480e83007204ca6c7df40f01e9193752db018a1567ce55d6e04b8e59.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time" e057863a480e83007204ca6c7df40f01e9193752db018a1567ce55d6e04b8e59.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" e057863a480e83007204ca6c7df40f01e9193752db018a1567ce55d6e04b8e59.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,-449 = "Azerbaijan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-161 = "Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time" e057863a480e83007204ca6c7df40f01e9193752db018a1567ce55d6e04b8e59.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time" e057863a480e83007204ca6c7df40f01e9193752db018a1567ce55d6e04b8e59.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time" e057863a480e83007204ca6c7df40f01e9193752db018a1567ce55d6e04b8e59.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exee057863a480e83007204ca6c7df40f01e9193752db018a1567ce55d6e04b8e59.exepowershell.exee057863a480e83007204ca6c7df40f01e9193752db018a1567ce55d6e04b8e59.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 3908 powershell.exe 3908 powershell.exe 460 e057863a480e83007204ca6c7df40f01e9193752db018a1567ce55d6e04b8e59.exe 460 e057863a480e83007204ca6c7df40f01e9193752db018a1567ce55d6e04b8e59.exe 4584 powershell.exe 4584 powershell.exe 4584 powershell.exe 4332 e057863a480e83007204ca6c7df40f01e9193752db018a1567ce55d6e04b8e59.exe 4332 e057863a480e83007204ca6c7df40f01e9193752db018a1567ce55d6e04b8e59.exe 4332 e057863a480e83007204ca6c7df40f01e9193752db018a1567ce55d6e04b8e59.exe 4332 e057863a480e83007204ca6c7df40f01e9193752db018a1567ce55d6e04b8e59.exe 4332 e057863a480e83007204ca6c7df40f01e9193752db018a1567ce55d6e04b8e59.exe 4332 e057863a480e83007204ca6c7df40f01e9193752db018a1567ce55d6e04b8e59.exe 4332 e057863a480e83007204ca6c7df40f01e9193752db018a1567ce55d6e04b8e59.exe 4332 e057863a480e83007204ca6c7df40f01e9193752db018a1567ce55d6e04b8e59.exe 4332 e057863a480e83007204ca6c7df40f01e9193752db018a1567ce55d6e04b8e59.exe 4332 e057863a480e83007204ca6c7df40f01e9193752db018a1567ce55d6e04b8e59.exe 1032 powershell.exe 1032 powershell.exe 1032 powershell.exe 1140 powershell.exe 1140 powershell.exe 2692 powershell.exe 2692 powershell.exe 1648 powershell.exe 1648 powershell.exe 3456 powershell.exe 3456 powershell.exe 4924 injector.exe 4924 injector.exe 4924 injector.exe 4924 injector.exe 4924 injector.exe 4924 injector.exe 4924 injector.exe 4924 injector.exe 3448 csrss.exe 3448 csrss.exe 4924 injector.exe 4924 injector.exe 4924 injector.exe 4924 injector.exe 4924 injector.exe 4924 injector.exe 3448 csrss.exe 3448 csrss.exe 4924 injector.exe 4924 injector.exe 3448 csrss.exe 3448 csrss.exe 4924 injector.exe 4924 injector.exe 4924 injector.exe 4924 injector.exe 4924 injector.exe 4924 injector.exe 4924 injector.exe 4924 injector.exe 4924 injector.exe 4924 injector.exe 4924 injector.exe 4924 injector.exe 4924 injector.exe 4924 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exee057863a480e83007204ca6c7df40f01e9193752db018a1567ce55d6e04b8e59.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 3908 powershell.exe Token: SeDebugPrivilege 460 e057863a480e83007204ca6c7df40f01e9193752db018a1567ce55d6e04b8e59.exe Token: SeImpersonatePrivilege 460 e057863a480e83007204ca6c7df40f01e9193752db018a1567ce55d6e04b8e59.exe Token: SeDebugPrivilege 4584 powershell.exe Token: SeDebugPrivilege 1032 powershell.exe Token: SeDebugPrivilege 1140 powershell.exe Token: SeDebugPrivilege 2692 powershell.exe Token: SeDebugPrivilege 1648 powershell.exe Token: SeDebugPrivilege 3456 powershell.exe Token: SeSystemEnvironmentPrivilege 3448 csrss.exe Token: SeSecurityPrivilege 920 sc.exe Token: SeSecurityPrivilege 920 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
e057863a480e83007204ca6c7df40f01e9193752db018a1567ce55d6e04b8e59.exee057863a480e83007204ca6c7df40f01e9193752db018a1567ce55d6e04b8e59.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 460 wrote to memory of 3908 460 e057863a480e83007204ca6c7df40f01e9193752db018a1567ce55d6e04b8e59.exe 84 PID 460 wrote to memory of 3908 460 e057863a480e83007204ca6c7df40f01e9193752db018a1567ce55d6e04b8e59.exe 84 PID 460 wrote to memory of 3908 460 e057863a480e83007204ca6c7df40f01e9193752db018a1567ce55d6e04b8e59.exe 84 PID 4332 wrote to memory of 4584 4332 e057863a480e83007204ca6c7df40f01e9193752db018a1567ce55d6e04b8e59.exe 97 PID 4332 wrote to memory of 4584 4332 e057863a480e83007204ca6c7df40f01e9193752db018a1567ce55d6e04b8e59.exe 97 PID 4332 wrote to memory of 4584 4332 e057863a480e83007204ca6c7df40f01e9193752db018a1567ce55d6e04b8e59.exe 97 PID 4332 wrote to memory of 4620 4332 e057863a480e83007204ca6c7df40f01e9193752db018a1567ce55d6e04b8e59.exe 102 PID 4332 wrote to memory of 4620 4332 e057863a480e83007204ca6c7df40f01e9193752db018a1567ce55d6e04b8e59.exe 102 PID 4620 wrote to memory of 4412 4620 cmd.exe 104 PID 4620 wrote to memory of 4412 4620 cmd.exe 104 PID 4332 wrote to memory of 1032 4332 e057863a480e83007204ca6c7df40f01e9193752db018a1567ce55d6e04b8e59.exe 105 PID 4332 wrote to memory of 1032 4332 e057863a480e83007204ca6c7df40f01e9193752db018a1567ce55d6e04b8e59.exe 105 PID 4332 wrote to memory of 1032 4332 e057863a480e83007204ca6c7df40f01e9193752db018a1567ce55d6e04b8e59.exe 105 PID 4332 wrote to memory of 1140 4332 e057863a480e83007204ca6c7df40f01e9193752db018a1567ce55d6e04b8e59.exe 107 PID 4332 wrote to memory of 1140 4332 e057863a480e83007204ca6c7df40f01e9193752db018a1567ce55d6e04b8e59.exe 107 PID 4332 wrote to memory of 1140 4332 e057863a480e83007204ca6c7df40f01e9193752db018a1567ce55d6e04b8e59.exe 107 PID 4332 wrote to memory of 3448 4332 e057863a480e83007204ca6c7df40f01e9193752db018a1567ce55d6e04b8e59.exe 110 PID 4332 wrote to memory of 3448 4332 e057863a480e83007204ca6c7df40f01e9193752db018a1567ce55d6e04b8e59.exe 110 PID 4332 wrote to memory of 3448 4332 e057863a480e83007204ca6c7df40f01e9193752db018a1567ce55d6e04b8e59.exe 110 PID 3448 wrote to memory of 2692 3448 csrss.exe 111 PID 3448 wrote to memory of 2692 3448 csrss.exe 111 PID 3448 wrote to memory of 2692 3448 csrss.exe 111 PID 3448 wrote to memory of 1648 3448 csrss.exe 117 PID 3448 wrote to memory of 1648 3448 csrss.exe 117 PID 3448 wrote to memory of 1648 3448 csrss.exe 117 PID 3448 wrote to memory of 3456 3448 csrss.exe 119 PID 3448 wrote to memory of 3456 3448 csrss.exe 119 PID 3448 wrote to memory of 3456 3448 csrss.exe 119 PID 3448 wrote to memory of 4924 3448 csrss.exe 121 PID 3448 wrote to memory of 4924 3448 csrss.exe 121 PID 2276 wrote to memory of 1832 2276 windefender.exe 128 PID 2276 wrote to memory of 1832 2276 windefender.exe 128 PID 2276 wrote to memory of 1832 2276 windefender.exe 128 PID 1832 wrote to memory of 920 1832 cmd.exe 129 PID 1832 wrote to memory of 920 1832 cmd.exe 129 PID 1832 wrote to memory of 920 1832 cmd.exe 129 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\e057863a480e83007204ca6c7df40f01e9193752db018a1567ce55d6e04b8e59.exe"C:\Users\Admin\AppData\Local\Temp\e057863a480e83007204ca6c7df40f01e9193752db018a1567ce55d6e04b8e59.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:460 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3908
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C:\Users\Admin\AppData\Local\Temp\e057863a480e83007204ca6c7df40f01e9193752db018a1567ce55d6e04b8e59.exe"C:\Users\Admin\AppData\Local\Temp\e057863a480e83007204ca6c7df40f01e9193752db018a1567ce55d6e04b8e59.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:4332 -
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:4584
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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:4620 -
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:4412
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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:1032
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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:1140
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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:3448 -
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:2692
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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:4904
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4352
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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:1648
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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:3456
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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:4924
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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:4928
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2276 -
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:1832 -
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:920
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 460 -s 9242⤵
- Program crash
PID:2296
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 460 -ip 4601⤵PID:812
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4032
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
MD580a8d49844394585444a4a0b241251e3
SHA16f3a830ad3b837d52558b8e2fd31360e644d421c
SHA2568649b6d38c68248cbf21119127f2d1add96becbb5e31f85026dbe30321bdf29d
SHA5121e743fe4bee5f602ba52cc98197ebc411d3ef2c313f5c509c9a0ddce336597c3e693cc4323d5090270f45b72673a4acdca6353379e5999b4a59aef8d0833c351
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a6318d4c9cd8f6aed32fb24f8b53ad0c
SHA12407268f36c323850489c34ab62352a9779f094c
SHA256811ab64b30d38fa8df8796d1d75da4fa6640c7361b6eb98ec5451cb6fdb06579
SHA51211cca3e8ed747a6ebe4a4f339a0abe8511c326d2da1938effc5aa0551c7b58d0604e09cfbd868b8c12faf8899c6b598e8c2458d3f172868a5c63c8262f72cc20
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD584641921c9d88852de71be41a0e58913
SHA1a75899ae117d98e268c72bf26e8bc3ca0a22e981
SHA256f1a168a44f274da737a07b9b0d74d28e29a70588d6c6af01107eb2edcc9959dc
SHA512e1c3e4e854521cd83345738fa3b6b6d8b15bd6f58f8796c16799d8a20e12b3c1628314d466c1000199b48265e74becc49430d7e206a84fa0ec76488f6fe745ee
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD509953a84c88bd3aadb712ad3db7ff6f0
SHA13fcc7dc38b5ee83e5af4b677022e0f2442a995f7
SHA256b2d97b02b45f77a522418fba636ff95af36bc8aa63fe22483fcd6442781e2491
SHA5129c2b18094689fb7c6c2be7b282cfc08efae705d98cfdbf7772fe8d7235584f225787de25286af078cc1715967bb139baa8283dad680a51b08793c78f07ede3a6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5756bd631d245a14be7c9031348a8765c
SHA1f629fc5c7d63d7e6fe2e85bd33c98b555384606f
SHA2565e94b11df81e5f3b3f6f218446e95d6dd48cd328e6f2641068bb682c5a99dd46
SHA512b97458a77228183ce741bbc030d06d0ad66f18c12c7bce0e0d69b5b1ba2c8df0463c2967a7be5f577bbab047a69c52c2eade8dd1e83fcc4949c8d7f80b2a1d6f
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Filesize
4.1MB
MD5cd6a9d6af27760faccc9744d28dfa20b
SHA120d2dae03950d62269fda4d883cf8edd03c771a4
SHA256e057863a480e83007204ca6c7df40f01e9193752db018a1567ce55d6e04b8e59
SHA512d54cf80e4b0dc3c4171bb2b8eadf69f052b17892882d1c97b3c88a8b1dabdfe541fb87551ce609c39e00e05246a9aa5a28a952f96957a23ee189a1da093b2444
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec