Analysis
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max time kernel
149s -
max time network
159s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
19-05-2024 01:31
Static task
static1
Behavioral task
behavioral1
Sample
2c9723cb907807689be6429979900a805806de879f12ce349edb6aada89fa7b7.exe
Resource
win10v2004-20240508-en
General
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Target
2c9723cb907807689be6429979900a805806de879f12ce349edb6aada89fa7b7.exe
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Size
4.1MB
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MD5
bdbb944543ca0b14c45e039b8c4cb5fe
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SHA1
c187fe2d6a2b6b331aebe1b4ea8786fe80e0c348
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SHA256
2c9723cb907807689be6429979900a805806de879f12ce349edb6aada89fa7b7
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SHA512
7550b960d9eb44ec04b95f69e4d3cfb80f4bc664feb8ebae66e2737219a156494d062fa1f5fb81cc88dcb56e792505768852a0a1b72b98b4af2e4d7603ed70ba
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SSDEEP
98304:yf+oTi6061rsx4yGF2uQjPQS21lHMnsqkLrDDcuTdH2a0g7PFmM:Bos8riuQnYS21lsngzdH/0gf
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/1708-2-0x0000000004850000-0x000000000513B000-memory.dmp family_glupteba behavioral1/memory/1708-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1708-104-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/4628-132-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/1708-183-0x0000000004850000-0x000000000513B000-memory.dmp family_glupteba behavioral1/memory/1708-210-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2584-217-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/2584-228-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/2584-231-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/2584-234-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/2584-237-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/2584-240-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/2584-243-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/2584-246-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/2584-249-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/2584-252-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/2584-255-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/2584-258-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/2584-261-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2268 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2584 csrss.exe 1904 injector.exe 3296 windefender.exe 1172 windefender.exe -
resource yara_rule behavioral1/memory/3296-222-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/files/0x0008000000023419-223.dat upx behavioral1/memory/3296-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1172-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1172-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1172-235-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 2c9723cb907807689be6429979900a805806de879f12ce349edb6aada89fa7b7.exe Set value (str) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\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 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 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 2c9723cb907807689be6429979900a805806de879f12ce349edb6aada89fa7b7.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 2c9723cb907807689be6429979900a805806de879f12ce349edb6aada89fa7b7.exe File created C:\Windows\rss\csrss.exe 2c9723cb907807689be6429979900a805806de879f12ce349edb6aada89fa7b7.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 2108 sc.exe -
pid Process 1672 powershell.exe 4104 powershell.exe 796 powershell.exe 4924 powershell.exe 3200 powershell.exe 1840 powershell.exe 4996 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 3300 schtasks.exe 244 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-751 = "Tonga Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time" 2c9723cb907807689be6429979900a805806de879f12ce349edb6aada89fa7b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time" 2c9723cb907807689be6429979900a805806de879f12ce349edb6aada89fa7b7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-442 = "Arabian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-352 = "FLE Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-891 = "Morocco Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1872 = "Russia TZ 7 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time" 2c9723cb907807689be6429979900a805806de879f12ce349edb6aada89fa7b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time" 2c9723cb907807689be6429979900a805806de879f12ce349edb6aada89fa7b7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2162 = "Altai Standard Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-32 = "Mid-Atlantic Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1502 = "Turkey Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time" 2c9723cb907807689be6429979900a805806de879f12ce349edb6aada89fa7b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" 2c9723cb907807689be6429979900a805806de879f12ce349edb6aada89fa7b7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" 2c9723cb907807689be6429979900a805806de879f12ce349edb6aada89fa7b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-592 = "Malay Peninsula Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs 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\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time" 2c9723cb907807689be6429979900a805806de879f12ce349edb6aada89fa7b7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time" 2c9723cb907807689be6429979900a805806de879f12ce349edb6aada89fa7b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-112 = "Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-271 = "Greenwich Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.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,-2392 = "Aleutian Standard Time" 2c9723cb907807689be6429979900a805806de879f12ce349edb6aada89fa7b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time" 2c9723cb907807689be6429979900a805806de879f12ce349edb6aada89fa7b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time" 2c9723cb907807689be6429979900a805806de879f12ce349edb6aada89fa7b7.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\C:\Windows\system32\,@tzres.dll,-1872 = "Russia TZ 7 Standard Time" 2c9723cb907807689be6429979900a805806de879f12ce349edb6aada89fa7b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time" 2c9723cb907807689be6429979900a805806de879f12ce349edb6aada89fa7b7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates 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\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time" 2c9723cb907807689be6429979900a805806de879f12ce349edb6aada89fa7b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time" 2c9723cb907807689be6429979900a805806de879f12ce349edb6aada89fa7b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" 2c9723cb907807689be6429979900a805806de879f12ce349edb6aada89fa7b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time" 2c9723cb907807689be6429979900a805806de879f12ce349edb6aada89fa7b7.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 Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\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\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time" 2c9723cb907807689be6429979900a805806de879f12ce349edb6aada89fa7b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time" 2c9723cb907807689be6429979900a805806de879f12ce349edb6aada89fa7b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" 2c9723cb907807689be6429979900a805806de879f12ce349edb6aada89fa7b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time" 2c9723cb907807689be6429979900a805806de879f12ce349edb6aada89fa7b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" windefender.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 (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-391 = "Arab Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-381 = "South Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-662 = "Cen. Australia Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1672 powershell.exe 1672 powershell.exe 1708 2c9723cb907807689be6429979900a805806de879f12ce349edb6aada89fa7b7.exe 1708 2c9723cb907807689be6429979900a805806de879f12ce349edb6aada89fa7b7.exe 4104 powershell.exe 4104 powershell.exe 4628 2c9723cb907807689be6429979900a805806de879f12ce349edb6aada89fa7b7.exe 4628 2c9723cb907807689be6429979900a805806de879f12ce349edb6aada89fa7b7.exe 4628 2c9723cb907807689be6429979900a805806de879f12ce349edb6aada89fa7b7.exe 4628 2c9723cb907807689be6429979900a805806de879f12ce349edb6aada89fa7b7.exe 4628 2c9723cb907807689be6429979900a805806de879f12ce349edb6aada89fa7b7.exe 4628 2c9723cb907807689be6429979900a805806de879f12ce349edb6aada89fa7b7.exe 4628 2c9723cb907807689be6429979900a805806de879f12ce349edb6aada89fa7b7.exe 4628 2c9723cb907807689be6429979900a805806de879f12ce349edb6aada89fa7b7.exe 4628 2c9723cb907807689be6429979900a805806de879f12ce349edb6aada89fa7b7.exe 4628 2c9723cb907807689be6429979900a805806de879f12ce349edb6aada89fa7b7.exe 796 powershell.exe 796 powershell.exe 4924 powershell.exe 4924 powershell.exe 4924 powershell.exe 3200 powershell.exe 3200 powershell.exe 1840 powershell.exe 1840 powershell.exe 4996 powershell.exe 4996 powershell.exe 1904 injector.exe 1904 injector.exe 1904 injector.exe 1904 injector.exe 1904 injector.exe 1904 injector.exe 2584 csrss.exe 2584 csrss.exe 1904 injector.exe 1904 injector.exe 1904 injector.exe 1904 injector.exe 1904 injector.exe 1904 injector.exe 2584 csrss.exe 2584 csrss.exe 1904 injector.exe 1904 injector.exe 2584 csrss.exe 2584 csrss.exe 1904 injector.exe 1904 injector.exe 1904 injector.exe 1904 injector.exe 1904 injector.exe 1904 injector.exe 1904 injector.exe 1904 injector.exe 1904 injector.exe 1904 injector.exe 1904 injector.exe 1904 injector.exe 1904 injector.exe 1904 injector.exe 1904 injector.exe 1904 injector.exe 1904 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1672 powershell.exe Token: SeDebugPrivilege 1708 2c9723cb907807689be6429979900a805806de879f12ce349edb6aada89fa7b7.exe Token: SeImpersonatePrivilege 1708 2c9723cb907807689be6429979900a805806de879f12ce349edb6aada89fa7b7.exe Token: SeDebugPrivilege 4104 powershell.exe Token: SeDebugPrivilege 796 powershell.exe Token: SeDebugPrivilege 4924 powershell.exe Token: SeDebugPrivilege 3200 powershell.exe Token: SeDebugPrivilege 1840 powershell.exe Token: SeDebugPrivilege 4996 powershell.exe Token: SeSystemEnvironmentPrivilege 2584 csrss.exe Token: SeSecurityPrivilege 2108 sc.exe Token: SeSecurityPrivilege 2108 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1708 wrote to memory of 1672 1708 2c9723cb907807689be6429979900a805806de879f12ce349edb6aada89fa7b7.exe 86 PID 1708 wrote to memory of 1672 1708 2c9723cb907807689be6429979900a805806de879f12ce349edb6aada89fa7b7.exe 86 PID 1708 wrote to memory of 1672 1708 2c9723cb907807689be6429979900a805806de879f12ce349edb6aada89fa7b7.exe 86 PID 4628 wrote to memory of 4104 4628 2c9723cb907807689be6429979900a805806de879f12ce349edb6aada89fa7b7.exe 95 PID 4628 wrote to memory of 4104 4628 2c9723cb907807689be6429979900a805806de879f12ce349edb6aada89fa7b7.exe 95 PID 4628 wrote to memory of 4104 4628 2c9723cb907807689be6429979900a805806de879f12ce349edb6aada89fa7b7.exe 95 PID 4628 wrote to memory of 4180 4628 2c9723cb907807689be6429979900a805806de879f12ce349edb6aada89fa7b7.exe 101 PID 4628 wrote to memory of 4180 4628 2c9723cb907807689be6429979900a805806de879f12ce349edb6aada89fa7b7.exe 101 PID 4180 wrote to memory of 2268 4180 cmd.exe 103 PID 4180 wrote to memory of 2268 4180 cmd.exe 103 PID 4628 wrote to memory of 796 4628 2c9723cb907807689be6429979900a805806de879f12ce349edb6aada89fa7b7.exe 104 PID 4628 wrote to memory of 796 4628 2c9723cb907807689be6429979900a805806de879f12ce349edb6aada89fa7b7.exe 104 PID 4628 wrote to memory of 796 4628 2c9723cb907807689be6429979900a805806de879f12ce349edb6aada89fa7b7.exe 104 PID 4628 wrote to memory of 4924 4628 2c9723cb907807689be6429979900a805806de879f12ce349edb6aada89fa7b7.exe 107 PID 4628 wrote to memory of 4924 4628 2c9723cb907807689be6429979900a805806de879f12ce349edb6aada89fa7b7.exe 107 PID 4628 wrote to memory of 4924 4628 2c9723cb907807689be6429979900a805806de879f12ce349edb6aada89fa7b7.exe 107 PID 4628 wrote to memory of 2584 4628 2c9723cb907807689be6429979900a805806de879f12ce349edb6aada89fa7b7.exe 109 PID 4628 wrote to memory of 2584 4628 2c9723cb907807689be6429979900a805806de879f12ce349edb6aada89fa7b7.exe 109 PID 4628 wrote to memory of 2584 4628 2c9723cb907807689be6429979900a805806de879f12ce349edb6aada89fa7b7.exe 109 PID 2584 wrote to memory of 3200 2584 csrss.exe 110 PID 2584 wrote to memory of 3200 2584 csrss.exe 110 PID 2584 wrote to memory of 3200 2584 csrss.exe 110 PID 2584 wrote to memory of 1840 2584 csrss.exe 116 PID 2584 wrote to memory of 1840 2584 csrss.exe 116 PID 2584 wrote to memory of 1840 2584 csrss.exe 116 PID 2584 wrote to memory of 4996 2584 csrss.exe 118 PID 2584 wrote to memory of 4996 2584 csrss.exe 118 PID 2584 wrote to memory of 4996 2584 csrss.exe 118 PID 2584 wrote to memory of 1904 2584 csrss.exe 120 PID 2584 wrote to memory of 1904 2584 csrss.exe 120 PID 3296 wrote to memory of 3464 3296 windefender.exe 126 PID 3296 wrote to memory of 3464 3296 windefender.exe 126 PID 3296 wrote to memory of 3464 3296 windefender.exe 126 PID 3464 wrote to memory of 2108 3464 cmd.exe 127 PID 3464 wrote to memory of 2108 3464 cmd.exe 127 PID 3464 wrote to memory of 2108 3464 cmd.exe 127 -
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\2c9723cb907807689be6429979900a805806de879f12ce349edb6aada89fa7b7.exe"C:\Users\Admin\AppData\Local\Temp\2c9723cb907807689be6429979900a805806de879f12ce349edb6aada89fa7b7.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1708 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1672
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C:\Users\Admin\AppData\Local\Temp\2c9723cb907807689be6429979900a805806de879f12ce349edb6aada89fa7b7.exe"C:\Users\Admin\AppData\Local\Temp\2c9723cb907807689be6429979900a805806de879f12ce349edb6aada89fa7b7.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:4628 -
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:4104
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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:4180 -
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:2268
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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:796
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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:4924
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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:2584 -
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:3200
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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:3300
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2896
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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:1840
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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:4996
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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:1904
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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:244
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3296 -
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:3464 -
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:2108
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1172
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
MD54b01ded7442b4ee1200ff4c47bf2d8f3
SHA12594be8adec10af3aedbab628069a04ef951ed81
SHA256ab345b0ebd7d59fafb6be49076bf848d5315d4abed6e0ec3953da714a496b69c
SHA5127423721c86ec72382322e12d7cee4dc6417a6cfab8d438102769418a1725fc48e660ff80cc0b0a6e70f57029008e2c420faa729e0b1f3d4fdcaca2026c1d95c5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD581f5cd27dceeaef32a464910c0e28074
SHA1363220f5d0e51875f9a3f0a8c51222c579c51315
SHA2568fc0226fd5d254dc4563b6714588cd7dd510a148572ea367e53912ed394caf60
SHA51252f1c6f2a07fd2678eef8261db9a1f5dca4934000100cb9228a679cf7919be6e81c176bffd240aded04a8e9fa903ca0a2724256d57b1e625ddbd8a8d11b58de8
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD508f79be7ed483ad43b4ffed95c1b19bc
SHA1970525b884225d68fd699c43392b749955922156
SHA256f9d93138369bcf0efff494798570fe31404acd429a0e6e646dea52e57be2da45
SHA512f00678c7fc4480035aa5ab88bbb7a0ed83a1e3de2a10e8b2f3e08383bd35c0ebcac1a2324c9791db8879398007c43b2aa0e884013e11602131fe37349fb18ae7
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD576e6522f31a18dea5e6b355a975b1cc5
SHA1452879f997d6c000c337ce42e355ecef0802b8c9
SHA256c6c6a7819b7c95d55e3f634e36ceea43e16e5ab763fd2b8cb509e857d4457e05
SHA512b8643db3fa8ed57b97e8a5c04d571659fdb049a65902cc91d48bf1931c00a297d28fb2fabba34f7698e494dde07bb5eb93e6fb03772c1417924303c4a23481af
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e83b88c448eee2d99ebeaaccb5329108
SHA1ae62ceb8aab4b26b6a1078bdcadaa91c3416d903
SHA256dbb4dc81bbe344eec5ac650decdbea7fc8854df5269239d6ac9a2b12fc7133b2
SHA512656540f15ec974106697a21df9badfa6b0525e4e1eae3e236633564bc6ae9e776936a15aba948954fabc6a07c92862bb2d4449aa4e48c850d1db37de4d5d7da4
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Filesize
4.1MB
MD5bdbb944543ca0b14c45e039b8c4cb5fe
SHA1c187fe2d6a2b6b331aebe1b4ea8786fe80e0c348
SHA2562c9723cb907807689be6429979900a805806de879f12ce349edb6aada89fa7b7
SHA5127550b960d9eb44ec04b95f69e4d3cfb80f4bc664feb8ebae66e2737219a156494d062fa1f5fb81cc88dcb56e792505768852a0a1b72b98b4af2e4d7603ed70ba
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec