Analysis
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max time kernel
150s -
max time network
152s -
platform
windows11-21h2_x64 -
resource
win11-20240412-en -
resource tags
arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system -
submitted
20-04-2024 15:33
Static task
static1
Behavioral task
behavioral1
Sample
1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe
Resource
win10v2004-20240412-en
General
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Target
1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe
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Size
4.2MB
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MD5
318c6c0101122207b139238228448d1c
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SHA1
13ab59074eb8fac854c75a432bfdfecf0588e6f3
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SHA256
1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28
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SHA512
aa0b92767595fe99a9da8e8c6bd50fab2257adfeb5355780fd7282cedd8ba0001cb79d4e07b470adfce625c491c49c7b573953634e2648f6f115878cb7bc78a1
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SSDEEP
49152:RKOdvREmi8iTwPpeYBnAu4QJI7RESGN2UNQnUyHdr+bW0USBgrsqhT/DWSjgq2Sh:4OLEfT6eYBhfhWV+b2vbWNq2SbuhRc
Malware Config
Signatures
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Glupteba payload 19 IoCs
Processes:
resource yara_rule behavioral2/memory/1040-2-0x00000000041F0000-0x0000000004ADB000-memory.dmp family_glupteba behavioral2/memory/1040-3-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral2/memory/1492-53-0x0000000003F20000-0x000000000480B000-memory.dmp family_glupteba behavioral2/memory/1492-54-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral2/memory/1040-78-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral2/memory/1492-177-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral2/memory/644-238-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral2/memory/644-246-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral2/memory/644-257-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral2/memory/644-261-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral2/memory/644-265-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral2/memory/644-269-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral2/memory/644-273-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral2/memory/644-278-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral2/memory/644-281-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral2/memory/644-285-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral2/memory/644-289-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral2/memory/644-293-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral2/memory/644-297-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 3932 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid process 644 csrss.exe 748 injector.exe 3236 windefender.exe 3148 windefender.exe -
Processes:
resource yara_rule C:\Windows\windefender.exe upx behavioral2/memory/3236-254-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3148-259-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3148-267-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.execsrss.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3263309122-2820180308-3568046652-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe Set value (str) \REGISTRY\USER\S-1-5-21-3263309122-2820180308-3568046652-1000\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:
1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exedescription ioc process File opened (read-only) \??\VBoxMiniRdrDN 1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe -
Drops file in Windows directory 4 IoCs
Processes:
1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.execsrss.exedescription ioc process File opened for modification C:\Windows\rss 1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe File created C:\Windows\rss\csrss.exe 1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
Processes:
sc.exepid process 1440 sc.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 2980 schtasks.exe 2596 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
windefender.exe1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-3051 = "Qyzylorda Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time" 1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.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\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time" 1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time" 1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2571 = "Turks and Caicos Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time" 1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" 1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-452 = "Caucasus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-51 = "Greenland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-631 = "Tokyo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" 1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time" 1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time" 1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time" 1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time" 1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" 1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-841 = "Argentina Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-105 = "Central Brazilian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time" 1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" 1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time" 1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2512 = "Lord Howe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-191 = "Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-742 = "New Zealand Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2942 = "Sao Tome Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-81 = "Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-361 = "GTB Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-335 = "Jordan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" 1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-41 = "E. South America Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-271 = "Greenwich Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time" 1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-71 = "Newfoundland Daylight Time" windefender.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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" 1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.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\26\52C64B7E\@tzres.dll,-2791 = "Novosibirsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" 1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time" 1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" 1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time" 1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time" 1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exepowershell.exe1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid process 2984 powershell.exe 2984 powershell.exe 1040 1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe 1040 1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe 2996 powershell.exe 2996 powershell.exe 1492 1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe 1492 1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe 1492 1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe 1492 1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe 1492 1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe 1492 1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe 1492 1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe 1492 1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe 1492 1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe 1492 1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe 3732 powershell.exe 3732 powershell.exe 1336 powershell.exe 1336 powershell.exe 2264 powershell.exe 2264 powershell.exe 2208 powershell.exe 2208 powershell.exe 2920 powershell.exe 2920 powershell.exe 748 injector.exe 748 injector.exe 748 injector.exe 748 injector.exe 748 injector.exe 748 injector.exe 748 injector.exe 748 injector.exe 644 csrss.exe 644 csrss.exe 748 injector.exe 748 injector.exe 748 injector.exe 748 injector.exe 644 csrss.exe 644 csrss.exe 748 injector.exe 748 injector.exe 748 injector.exe 748 injector.exe 748 injector.exe 748 injector.exe 748 injector.exe 748 injector.exe 748 injector.exe 644 csrss.exe 644 csrss.exe 748 injector.exe 748 injector.exe 748 injector.exe 748 injector.exe 748 injector.exe 748 injector.exe 748 injector.exe 748 injector.exe 748 injector.exe 748 injector.exe 748 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid process Token: SeDebugPrivilege 2984 powershell.exe Token: SeDebugPrivilege 1040 1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe Token: SeImpersonatePrivilege 1040 1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe Token: SeDebugPrivilege 2996 powershell.exe Token: SeDebugPrivilege 3732 powershell.exe Token: SeDebugPrivilege 1336 powershell.exe Token: SeDebugPrivilege 2264 powershell.exe Token: SeDebugPrivilege 2208 powershell.exe Token: SeDebugPrivilege 2920 powershell.exe Token: SeSystemEnvironmentPrivilege 644 csrss.exe Token: SeSecurityPrivilege 1440 sc.exe Token: SeSecurityPrivilege 1440 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.execmd.execsrss.exewindefender.execmd.exedescription pid process target process PID 1040 wrote to memory of 2984 1040 1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe powershell.exe PID 1040 wrote to memory of 2984 1040 1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe powershell.exe PID 1040 wrote to memory of 2984 1040 1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe powershell.exe PID 1492 wrote to memory of 2996 1492 1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe powershell.exe PID 1492 wrote to memory of 2996 1492 1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe powershell.exe PID 1492 wrote to memory of 2996 1492 1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe powershell.exe PID 1492 wrote to memory of 3736 1492 1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe cmd.exe PID 1492 wrote to memory of 3736 1492 1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe cmd.exe PID 3736 wrote to memory of 3932 3736 cmd.exe netsh.exe PID 3736 wrote to memory of 3932 3736 cmd.exe netsh.exe PID 1492 wrote to memory of 3732 1492 1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe powershell.exe PID 1492 wrote to memory of 3732 1492 1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe powershell.exe PID 1492 wrote to memory of 3732 1492 1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe powershell.exe PID 1492 wrote to memory of 1336 1492 1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe powershell.exe PID 1492 wrote to memory of 1336 1492 1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe powershell.exe PID 1492 wrote to memory of 1336 1492 1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe powershell.exe PID 1492 wrote to memory of 644 1492 1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe csrss.exe PID 1492 wrote to memory of 644 1492 1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe csrss.exe PID 1492 wrote to memory of 644 1492 1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe csrss.exe PID 644 wrote to memory of 2264 644 csrss.exe powershell.exe PID 644 wrote to memory of 2264 644 csrss.exe powershell.exe PID 644 wrote to memory of 2264 644 csrss.exe powershell.exe PID 644 wrote to memory of 2208 644 csrss.exe powershell.exe PID 644 wrote to memory of 2208 644 csrss.exe powershell.exe PID 644 wrote to memory of 2208 644 csrss.exe powershell.exe PID 644 wrote to memory of 2920 644 csrss.exe powershell.exe PID 644 wrote to memory of 2920 644 csrss.exe powershell.exe PID 644 wrote to memory of 2920 644 csrss.exe powershell.exe PID 644 wrote to memory of 748 644 csrss.exe injector.exe PID 644 wrote to memory of 748 644 csrss.exe injector.exe PID 3236 wrote to memory of 4404 3236 windefender.exe cmd.exe PID 3236 wrote to memory of 4404 3236 windefender.exe cmd.exe PID 3236 wrote to memory of 4404 3236 windefender.exe cmd.exe PID 4404 wrote to memory of 1440 4404 cmd.exe sc.exe PID 4404 wrote to memory of 1440 4404 cmd.exe sc.exe PID 4404 wrote to memory of 1440 4404 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\1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe"C:\Users\Admin\AppData\Local\Temp\1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1040 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2984
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C:\Users\Admin\AppData\Local\Temp\1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe"C:\Users\Admin\AppData\Local\Temp\1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.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:1492 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2996
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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:3736 -
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:3932
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3732
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1336
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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:644 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2264
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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:2980
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1644
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2208
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2920
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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:748
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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:2596
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3236 -
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:4404 -
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:1440
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3148
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
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58ba8e0958a6c2de462d0f27b95a81bfc
SHA15958220742910604d008a6bdaff821c086085e00
SHA256e884fac0f2518aa24e33fae23e734dc08ea102c1c587cbd579a544610bb75455
SHA5125ccd9e41d4609335e2ed7bfa41f969a8294ea330548487b22833efcf03830dfc02f6161640ecab17ad366f51e20cdfa6936748e4ae26cc1409915be0aff58840
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5409e3d4949102e67deeb5b5dfd6b380f
SHA17aeba101d403194a3f0d5bf389d309013c0b91ae
SHA2568fce15674def13114b44b3c613bed67df4bbac5d0f87d017b3d2f3b9dbf04e47
SHA5121b56b344b487ddbc677e0cc58e4057793ce1a4c3b1043a46fbdf1939958f2a3c68646327339bd13265cc6ea8f67e3cbcc21155f40b4a3ea02f30ded05e5c8e4d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58cb913d9e4812762fca5be7d931cbc3f
SHA1f07368b3e6bc3a456afd2a2611da761f50fe9425
SHA256ec87bbb7e2d81fccd9c5958677112abc272248235d4d533d4f92f9d9b9500565
SHA512c9e7ce6fd3af94bbb8af91665d39f62b0f926f7d9f907afd525c79af3ca424a217b9114f71897afc92d43958ba5e8954ef24f64ba8216a9a550857bea807ba94
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54afef230a263f96d40bd7d970f8806bf
SHA17e2e8cf63ce680d4fe9d0e51461ca5eb306173e0
SHA25645c71e38c52998715551a6f0678268852a5cc7376f8d1069e5009f1a1980197b
SHA51254a69c112b58d5be48d23d63701143d5a0d8e54393e6de5771569bf25e6d12e163aeb8e666bfe131b8d3aa2d904bc4f02dad8a82040c0856475726cd4119d54b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58a924386b80c5c016eb3fe8c9242da5c
SHA1de4a08cdbeb3123613e781cabd79d7135eb831e3
SHA2562e24ede3a92fe518be0c0844a9e983a5b5d2cfa113b6776a98de3f0dd45fb6e1
SHA512e7f6a01fd2fd7ba6d5c35917a53fea55e2a52ef3ffe9f998972e4b206816879b0a5e3136b67c1274f46fd7a491004e15d3c9becf9024850a28b60250615437a7
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Filesize
4.2MB
MD5318c6c0101122207b139238228448d1c
SHA113ab59074eb8fac854c75a432bfdfecf0588e6f3
SHA2561da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28
SHA512aa0b92767595fe99a9da8e8c6bd50fab2257adfeb5355780fd7282cedd8ba0001cb79d4e07b470adfce625c491c49c7b573953634e2648f6f115878cb7bc78a1
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec