Analysis
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max time kernel
149s -
max time network
150s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
18-05-2024 21:10
Static task
static1
Behavioral task
behavioral1
Sample
87ccc691911c412b7867ab19e724c60adfcc1273a914be8badd7378c7faaca5e.exe
Resource
win10v2004-20240226-en
General
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Target
87ccc691911c412b7867ab19e724c60adfcc1273a914be8badd7378c7faaca5e.exe
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Size
4.1MB
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MD5
d7885c69b557d8c5dcfdbd7f5a4e7bc6
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SHA1
bc739ec02626a63f369d4deee48e2217dfe378f6
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SHA256
87ccc691911c412b7867ab19e724c60adfcc1273a914be8badd7378c7faaca5e
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SHA512
2eeeac574b304388884d43188a0a3266c42c902992001e384a020a2891e37e61b46cfdd887ae7ad27a10de537ed2eb231f3971ca92c8e5c9fc9e5e2f7a6d8586
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SSDEEP
98304:7mSOHuT7egJLhRTCVEkOCdqjiWtSbuAFmh92I:70ObLh9WfG/tSdeT
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/1744-2-0x00000000048F0000-0x00000000051DB000-memory.dmp family_glupteba behavioral2/memory/1744-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1744-96-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/3400-125-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/1744-135-0x00000000048F0000-0x00000000051DB000-memory.dmp family_glupteba behavioral2/memory/1744-194-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1492-200-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/1492-211-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/1492-214-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/1492-217-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/1492-220-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/1492-223-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/1492-226-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/1492-229-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/1492-232-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/1492-235-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/1492-238-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/1492-241-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/1492-244-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4696 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1492 csrss.exe 3352 injector.exe 864 windefender.exe 604 windefender.exe -
resource yara_rule behavioral2/files/0x000300000002aa2f-203.dat upx behavioral2/memory/864-204-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/604-208-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/864-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/604-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/604-219-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3433428765-2473475212-4279855560-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 87ccc691911c412b7867ab19e724c60adfcc1273a914be8badd7378c7faaca5e.exe Set value (str) \REGISTRY\USER\S-1-5-21-3433428765-2473475212-4279855560-1000\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.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description 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.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 87ccc691911c412b7867ab19e724c60adfcc1273a914be8badd7378c7faaca5e.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 87ccc691911c412b7867ab19e724c60adfcc1273a914be8badd7378c7faaca5e.exe File created C:\Windows\rss\csrss.exe 87ccc691911c412b7867ab19e724c60adfcc1273a914be8badd7378c7faaca5e.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 3092 sc.exe -
pid Process 1056 powershell.exe 3048 powershell.exe 1880 powershell.exe 2052 powershell.exe 3844 powershell.exe 4064 powershell.exe 4968 powershell.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 404 schtasks.exe 1472 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time" 87ccc691911c412b7867ab19e724c60adfcc1273a914be8badd7378c7faaca5e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" 87ccc691911c412b7867ab19e724c60adfcc1273a914be8badd7378c7faaca5e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.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\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time" 87ccc691911c412b7867ab19e724c60adfcc1273a914be8badd7378c7faaca5e.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\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time" 87ccc691911c412b7867ab19e724c60adfcc1273a914be8badd7378c7faaca5e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time" 87ccc691911c412b7867ab19e724c60adfcc1273a914be8badd7378c7faaca5e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2531 = "Chatham Islands Daylight Time" windefender.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,-2062 = "North Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2491 = "Aus Central W. Daylight Time" 87ccc691911c412b7867ab19e724c60adfcc1273a914be8badd7378c7faaca5e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" 87ccc691911c412b7867ab19e724c60adfcc1273a914be8badd7378c7faaca5e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time" 87ccc691911c412b7867ab19e724c60adfcc1273a914be8badd7378c7faaca5e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-561 = "SE Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-751 = "Tonga Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time" 87ccc691911c412b7867ab19e724c60adfcc1273a914be8badd7378c7faaca5e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time" 87ccc691911c412b7867ab19e724c60adfcc1273a914be8badd7378c7faaca5e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" 87ccc691911c412b7867ab19e724c60adfcc1273a914be8badd7378c7faaca5e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time" 87ccc691911c412b7867ab19e724c60adfcc1273a914be8badd7378c7faaca5e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time" 87ccc691911c412b7867ab19e724c60adfcc1273a914be8badd7378c7faaca5e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-872 = "Pakistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time" 87ccc691911c412b7867ab19e724c60adfcc1273a914be8badd7378c7faaca5e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-448 = "Azerbaijan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-722 = "Central Pacific Standard 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,-982 = "Kamchatka Standard Time" 87ccc691911c412b7867ab19e724c60adfcc1273a914be8badd7378c7faaca5e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" 87ccc691911c412b7867ab19e724c60adfcc1273a914be8badd7378c7faaca5e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" 87ccc691911c412b7867ab19e724c60adfcc1273a914be8badd7378c7faaca5e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\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\TrustedPeople 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,-2042 = "Eastern Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time" 87ccc691911c412b7867ab19e724c60adfcc1273a914be8badd7378c7faaca5e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" 87ccc691911c412b7867ab19e724c60adfcc1273a914be8badd7378c7faaca5e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time" 87ccc691911c412b7867ab19e724c60adfcc1273a914be8badd7378c7faaca5e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2452 = "Saint Pierre Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time" 87ccc691911c412b7867ab19e724c60adfcc1273a914be8badd7378c7faaca5e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.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\@tzres.dll,-142 = "Canada Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-252 = "Dateline Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-192 = "Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-201 = "US Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" 87ccc691911c412b7867ab19e724c60adfcc1273a914be8badd7378c7faaca5e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" 87ccc691911c412b7867ab19e724c60adfcc1273a914be8badd7378c7faaca5e.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4968 powershell.exe 4968 powershell.exe 1744 87ccc691911c412b7867ab19e724c60adfcc1273a914be8badd7378c7faaca5e.exe 1744 87ccc691911c412b7867ab19e724c60adfcc1273a914be8badd7378c7faaca5e.exe 1056 powershell.exe 1056 powershell.exe 3400 87ccc691911c412b7867ab19e724c60adfcc1273a914be8badd7378c7faaca5e.exe 3400 87ccc691911c412b7867ab19e724c60adfcc1273a914be8badd7378c7faaca5e.exe 3400 87ccc691911c412b7867ab19e724c60adfcc1273a914be8badd7378c7faaca5e.exe 3400 87ccc691911c412b7867ab19e724c60adfcc1273a914be8badd7378c7faaca5e.exe 3400 87ccc691911c412b7867ab19e724c60adfcc1273a914be8badd7378c7faaca5e.exe 3400 87ccc691911c412b7867ab19e724c60adfcc1273a914be8badd7378c7faaca5e.exe 3400 87ccc691911c412b7867ab19e724c60adfcc1273a914be8badd7378c7faaca5e.exe 3400 87ccc691911c412b7867ab19e724c60adfcc1273a914be8badd7378c7faaca5e.exe 3400 87ccc691911c412b7867ab19e724c60adfcc1273a914be8badd7378c7faaca5e.exe 3400 87ccc691911c412b7867ab19e724c60adfcc1273a914be8badd7378c7faaca5e.exe 3048 powershell.exe 3048 powershell.exe 1880 powershell.exe 1880 powershell.exe 2052 powershell.exe 2052 powershell.exe 3844 powershell.exe 3844 powershell.exe 4064 powershell.exe 4064 powershell.exe 3352 injector.exe 3352 injector.exe 3352 injector.exe 3352 injector.exe 3352 injector.exe 3352 injector.exe 1492 csrss.exe 1492 csrss.exe 3352 injector.exe 3352 injector.exe 3352 injector.exe 3352 injector.exe 3352 injector.exe 3352 injector.exe 1492 csrss.exe 1492 csrss.exe 3352 injector.exe 3352 injector.exe 1492 csrss.exe 1492 csrss.exe 3352 injector.exe 3352 injector.exe 3352 injector.exe 3352 injector.exe 3352 injector.exe 3352 injector.exe 3352 injector.exe 3352 injector.exe 3352 injector.exe 3352 injector.exe 3352 injector.exe 3352 injector.exe 3352 injector.exe 3352 injector.exe 3352 injector.exe 3352 injector.exe 3352 injector.exe 3352 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4968 powershell.exe Token: SeDebugPrivilege 1744 87ccc691911c412b7867ab19e724c60adfcc1273a914be8badd7378c7faaca5e.exe Token: SeImpersonatePrivilege 1744 87ccc691911c412b7867ab19e724c60adfcc1273a914be8badd7378c7faaca5e.exe Token: SeDebugPrivilege 1056 powershell.exe Token: SeDebugPrivilege 3048 powershell.exe Token: SeDebugPrivilege 1880 powershell.exe Token: SeDebugPrivilege 2052 powershell.exe Token: SeDebugPrivilege 3844 powershell.exe Token: SeDebugPrivilege 4064 powershell.exe Token: SeSystemEnvironmentPrivilege 1492 csrss.exe Token: SeSecurityPrivilege 3092 sc.exe Token: SeSecurityPrivilege 3092 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1744 wrote to memory of 4968 1744 87ccc691911c412b7867ab19e724c60adfcc1273a914be8badd7378c7faaca5e.exe 82 PID 1744 wrote to memory of 4968 1744 87ccc691911c412b7867ab19e724c60adfcc1273a914be8badd7378c7faaca5e.exe 82 PID 1744 wrote to memory of 4968 1744 87ccc691911c412b7867ab19e724c60adfcc1273a914be8badd7378c7faaca5e.exe 82 PID 3400 wrote to memory of 1056 3400 87ccc691911c412b7867ab19e724c60adfcc1273a914be8badd7378c7faaca5e.exe 88 PID 3400 wrote to memory of 1056 3400 87ccc691911c412b7867ab19e724c60adfcc1273a914be8badd7378c7faaca5e.exe 88 PID 3400 wrote to memory of 1056 3400 87ccc691911c412b7867ab19e724c60adfcc1273a914be8badd7378c7faaca5e.exe 88 PID 3400 wrote to memory of 3564 3400 87ccc691911c412b7867ab19e724c60adfcc1273a914be8badd7378c7faaca5e.exe 91 PID 3400 wrote to memory of 3564 3400 87ccc691911c412b7867ab19e724c60adfcc1273a914be8badd7378c7faaca5e.exe 91 PID 3564 wrote to memory of 4696 3564 cmd.exe 93 PID 3564 wrote to memory of 4696 3564 cmd.exe 93 PID 3400 wrote to memory of 3048 3400 87ccc691911c412b7867ab19e724c60adfcc1273a914be8badd7378c7faaca5e.exe 94 PID 3400 wrote to memory of 3048 3400 87ccc691911c412b7867ab19e724c60adfcc1273a914be8badd7378c7faaca5e.exe 94 PID 3400 wrote to memory of 3048 3400 87ccc691911c412b7867ab19e724c60adfcc1273a914be8badd7378c7faaca5e.exe 94 PID 3400 wrote to memory of 1880 3400 87ccc691911c412b7867ab19e724c60adfcc1273a914be8badd7378c7faaca5e.exe 96 PID 3400 wrote to memory of 1880 3400 87ccc691911c412b7867ab19e724c60adfcc1273a914be8badd7378c7faaca5e.exe 96 PID 3400 wrote to memory of 1880 3400 87ccc691911c412b7867ab19e724c60adfcc1273a914be8badd7378c7faaca5e.exe 96 PID 3400 wrote to memory of 1492 3400 87ccc691911c412b7867ab19e724c60adfcc1273a914be8badd7378c7faaca5e.exe 99 PID 3400 wrote to memory of 1492 3400 87ccc691911c412b7867ab19e724c60adfcc1273a914be8badd7378c7faaca5e.exe 99 PID 3400 wrote to memory of 1492 3400 87ccc691911c412b7867ab19e724c60adfcc1273a914be8badd7378c7faaca5e.exe 99 PID 1492 wrote to memory of 2052 1492 csrss.exe 100 PID 1492 wrote to memory of 2052 1492 csrss.exe 100 PID 1492 wrote to memory of 2052 1492 csrss.exe 100 PID 1492 wrote to memory of 3844 1492 csrss.exe 106 PID 1492 wrote to memory of 3844 1492 csrss.exe 106 PID 1492 wrote to memory of 3844 1492 csrss.exe 106 PID 1492 wrote to memory of 4064 1492 csrss.exe 109 PID 1492 wrote to memory of 4064 1492 csrss.exe 109 PID 1492 wrote to memory of 4064 1492 csrss.exe 109 PID 1492 wrote to memory of 3352 1492 csrss.exe 111 PID 1492 wrote to memory of 3352 1492 csrss.exe 111 PID 864 wrote to memory of 2240 864 windefender.exe 117 PID 864 wrote to memory of 2240 864 windefender.exe 117 PID 864 wrote to memory of 2240 864 windefender.exe 117 PID 2240 wrote to memory of 3092 2240 cmd.exe 118 PID 2240 wrote to memory of 3092 2240 cmd.exe 118 PID 2240 wrote to memory of 3092 2240 cmd.exe 118 -
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\87ccc691911c412b7867ab19e724c60adfcc1273a914be8badd7378c7faaca5e.exe"C:\Users\Admin\AppData\Local\Temp\87ccc691911c412b7867ab19e724c60adfcc1273a914be8badd7378c7faaca5e.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1744 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4968
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C:\Users\Admin\AppData\Local\Temp\87ccc691911c412b7867ab19e724c60adfcc1273a914be8badd7378c7faaca5e.exe"C:\Users\Admin\AppData\Local\Temp\87ccc691911c412b7867ab19e724c60adfcc1273a914be8badd7378c7faaca5e.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:3400 -
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:1056
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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:3564 -
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:4696
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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:3048
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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:1880
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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:1492 -
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:2052
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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:404
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1044
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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:3844
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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:4064
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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:3352
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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:1472
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:864 -
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:2240 -
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:3092
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:604
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
MD5b4803cd88872be96e1f2489b2867ff77
SHA126919f401dc7aa330ad76b9c16c698a76a086850
SHA256c33562faed1afc0ac277700ec2df47dc9f8c27f56d2c335a74965bf7f12d9a12
SHA512ee828591ab17bb8992972bc0d54a6cd7ab304700bc424b4a4674aa82aa997e85bd07ab1c2c34ebf0687192ce41ac22181270b83ea63eb7a13df42ac680e6a2de
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5bd690587c3419fdb28509eed667c3df3
SHA1ca6c7ef626dae4de034d5c2771ac3c458753ab32
SHA2569f9cacf6632f96a41af12e1caf593fa897d1d2b40f3ecc95d94f98db0a3ff064
SHA51259233465ecec4655f1ac5727b85a1b1eb742920704e523191931188b3e795526b30d0e555e3634db65914229ee1db2e4bc7fff9ff95b0f7e68cdf2ec49105431
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5354093269e8ccceaa442be28a1f7c74c
SHA1a7e2d93749675fa7f6d0ec34b4ea5ba5fdc55521
SHA2569e405d0d0ae40fcc01b71f907ac77ed587774439cc4897dad3ce296244f313b2
SHA51215825dc04720a5e98dadd5dc1483acb5d516c103a84e3e67a51227a07986bd2ead7c5f5de30a583e83a31b179d76504dbbc94beb56b4bb36ca90d1678f94e696
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b38a34f795073cb19ac3e765e29e6a06
SHA1c19aaf9e883494fe372bfd42c0e08f2664ddd986
SHA2562373d71159d11839751d3e44f7ac1d7f05cd1cf3a98ecb131b0560391b5752e7
SHA512d057103b6eda9291e196e2273c14e88fa0118e4411f2a60cb0552da1c5e38e002ad658be7c4d344dfa65bbc9927bd58cd83b28ae2f3f7fb7032ec194d497fa35
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56420f6dda5ff6370444354ae1422bf82
SHA10f77ebeed8cbffef343148837f188bfdf11bf07d
SHA256f099f53e58565b616e939f0574db427983d82ae8692e910eaff2593cc7d1def7
SHA5122ca4938328a89bdd0547c625146286f6e59732a2e710bcefbf424b70034c303f57f1f9a28e32c7516b8ed558a14e9498e60ec419bb21e3a840cded537da3affc
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Filesize
4.1MB
MD5d7885c69b557d8c5dcfdbd7f5a4e7bc6
SHA1bc739ec02626a63f369d4deee48e2217dfe378f6
SHA25687ccc691911c412b7867ab19e724c60adfcc1273a914be8badd7378c7faaca5e
SHA5122eeeac574b304388884d43188a0a3266c42c902992001e384a020a2891e37e61b46cfdd887ae7ad27a10de537ed2eb231f3971ca92c8e5c9fc9e5e2f7a6d8586
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec