Analysis
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max time kernel
150s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
18-05-2024 15:15
Static task
static1
Behavioral task
behavioral1
Sample
c64ad9331e3ac966d59e698dc8b51fefa2b643474201dc0efc2050492ace6c0e.exe
Resource
win10v2004-20240426-en
General
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Target
c64ad9331e3ac966d59e698dc8b51fefa2b643474201dc0efc2050492ace6c0e.exe
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Size
4.1MB
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MD5
474afcf6c50d1b82d8a95de513040f41
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SHA1
bfd536be2f3a83bcae77ad3d04d4f5364210639b
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SHA256
c64ad9331e3ac966d59e698dc8b51fefa2b643474201dc0efc2050492ace6c0e
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SHA512
631cae5c262274666b7e1a8afef163b5ad2aeb3c10eae57dd8887a945b0f4c41f995e9420fc2e14953fcfa2dee40b0f9537e8708d1238d222bf69e0631dbf11d
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SSDEEP
98304:z3/aXnuKq8lIi6YuYM5DOP1Yy/qFVYXqnggvBm2Aw6XSjras4uEiZDLpDRiiTS:z3/aer8lIiPc9ySnggpxAJiIuBVpFiiW
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/3352-2-0x0000000004880000-0x000000000516B000-memory.dmp family_glupteba behavioral1/memory/3352-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3352-134-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/3352-184-0x0000000004880000-0x000000000516B000-memory.dmp family_glupteba behavioral1/memory/3456-183-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/3352-210-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2604-217-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/2604-229-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/2604-233-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/2604-237-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/2604-241-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/2604-245-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/2604-249-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/2604-253-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/2604-257-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/2604-261-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/2604-265-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/2604-269-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/2604-273-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1248 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2604 csrss.exe 624 injector.exe 3268 windefender.exe 3848 windefender.exe -
resource yara_rule behavioral1/files/0x0008000000023416-221.dat upx behavioral1/memory/3268-222-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3848-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3268-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3848-231-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3848-239-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3848-251-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" c64ad9331e3ac966d59e698dc8b51fefa2b643474201dc0efc2050492ace6c0e.exe Set value (str) \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\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 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 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 -
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 c64ad9331e3ac966d59e698dc8b51fefa2b643474201dc0efc2050492ace6c0e.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss c64ad9331e3ac966d59e698dc8b51fefa2b643474201dc0efc2050492ace6c0e.exe File created C:\Windows\rss\csrss.exe c64ad9331e3ac966d59e698dc8b51fefa2b643474201dc0efc2050492ace6c0e.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 4464 sc.exe -
pid Process 1644 powershell.exe 1756 powershell.exe 628 powershell.exe 1860 powershell.exe 3484 powershell.exe 3452 powershell.exe 3384 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 4512 schtasks.exe 432 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs 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\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time" c64ad9331e3ac966d59e698dc8b51fefa2b643474201dc0efc2050492ace6c0e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" c64ad9331e3ac966d59e698dc8b51fefa2b643474201dc0efc2050492ace6c0e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time" c64ad9331e3ac966d59e698dc8b51fefa2b643474201dc0efc2050492ace6c0e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time" c64ad9331e3ac966d59e698dc8b51fefa2b643474201dc0efc2050492ace6c0e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs 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\@tzres.dll,-2511 = "Lord Howe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" c64ad9331e3ac966d59e698dc8b51fefa2b643474201dc0efc2050492ace6c0e.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,-2342 = "Haiti Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1721 = "Libya Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" c64ad9331e3ac966d59e698dc8b51fefa2b643474201dc0efc2050492ace6c0e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-232 = "Hawaiian Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time" c64ad9331e3ac966d59e698dc8b51fefa2b643474201dc0efc2050492ace6c0e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time" c64ad9331e3ac966d59e698dc8b51fefa2b643474201dc0efc2050492ace6c0e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1912 = "Russia TZ 10 Standard Time" c64ad9331e3ac966d59e698dc8b51fefa2b643474201dc0efc2050492ace6c0e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2491 = "Aus Central W. Daylight Time" windefender.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,-2631 = "Norfolk Daylight Time" windefender.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\@tzres.dll,-3051 = "Qyzylorda Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-382 = "South Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1842 = "Russia TZ 4 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-932 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1021 = "Bangladesh Daylight Time" c64ad9331e3ac966d59e698dc8b51fefa2b643474201dc0efc2050492ace6c0e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time" c64ad9331e3ac966d59e698dc8b51fefa2b643474201dc0efc2050492ace6c0e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time" c64ad9331e3ac966d59e698dc8b51fefa2b643474201dc0efc2050492ace6c0e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates 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\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-731 = "Fiji Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-792 = "SA Western Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-231 = "Hawaiian 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" c64ad9331e3ac966d59e698dc8b51fefa2b643474201dc0efc2050492ace6c0e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time" c64ad9331e3ac966d59e698dc8b51fefa2b643474201dc0efc2050492ace6c0e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time" c64ad9331e3ac966d59e698dc8b51fefa2b643474201dc0efc2050492ace6c0e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time" c64ad9331e3ac966d59e698dc8b51fefa2b643474201dc0efc2050492ace6c0e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-251 = "Dateline Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time" c64ad9331e3ac966d59e698dc8b51fefa2b643474201dc0efc2050492ace6c0e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time" c64ad9331e3ac966d59e698dc8b51fefa2b643474201dc0efc2050492ace6c0e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" c64ad9331e3ac966d59e698dc8b51fefa2b643474201dc0efc2050492ace6c0e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" c64ad9331e3ac966d59e698dc8b51fefa2b643474201dc0efc2050492ace6c0e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time" c64ad9331e3ac966d59e698dc8b51fefa2b643474201dc0efc2050492ace6c0e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.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,-342 = "Egypt Standard 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" c64ad9331e3ac966d59e698dc8b51fefa2b643474201dc0efc2050492ace6c0e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3452 powershell.exe 3452 powershell.exe 3352 c64ad9331e3ac966d59e698dc8b51fefa2b643474201dc0efc2050492ace6c0e.exe 3352 c64ad9331e3ac966d59e698dc8b51fefa2b643474201dc0efc2050492ace6c0e.exe 3384 powershell.exe 3384 powershell.exe 3384 powershell.exe 3456 c64ad9331e3ac966d59e698dc8b51fefa2b643474201dc0efc2050492ace6c0e.exe 3456 c64ad9331e3ac966d59e698dc8b51fefa2b643474201dc0efc2050492ace6c0e.exe 3456 c64ad9331e3ac966d59e698dc8b51fefa2b643474201dc0efc2050492ace6c0e.exe 3456 c64ad9331e3ac966d59e698dc8b51fefa2b643474201dc0efc2050492ace6c0e.exe 3456 c64ad9331e3ac966d59e698dc8b51fefa2b643474201dc0efc2050492ace6c0e.exe 3456 c64ad9331e3ac966d59e698dc8b51fefa2b643474201dc0efc2050492ace6c0e.exe 3456 c64ad9331e3ac966d59e698dc8b51fefa2b643474201dc0efc2050492ace6c0e.exe 3456 c64ad9331e3ac966d59e698dc8b51fefa2b643474201dc0efc2050492ace6c0e.exe 3456 c64ad9331e3ac966d59e698dc8b51fefa2b643474201dc0efc2050492ace6c0e.exe 3456 c64ad9331e3ac966d59e698dc8b51fefa2b643474201dc0efc2050492ace6c0e.exe 1644 powershell.exe 1644 powershell.exe 1756 powershell.exe 1756 powershell.exe 1756 powershell.exe 628 powershell.exe 628 powershell.exe 1860 powershell.exe 1860 powershell.exe 3484 powershell.exe 3484 powershell.exe 624 injector.exe 624 injector.exe 624 injector.exe 624 injector.exe 624 injector.exe 624 injector.exe 2604 csrss.exe 2604 csrss.exe 624 injector.exe 624 injector.exe 624 injector.exe 624 injector.exe 624 injector.exe 624 injector.exe 2604 csrss.exe 2604 csrss.exe 624 injector.exe 624 injector.exe 624 injector.exe 624 injector.exe 2604 csrss.exe 2604 csrss.exe 624 injector.exe 624 injector.exe 624 injector.exe 624 injector.exe 624 injector.exe 624 injector.exe 624 injector.exe 624 injector.exe 624 injector.exe 624 injector.exe 624 injector.exe 624 injector.exe 624 injector.exe 624 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3452 powershell.exe Token: SeDebugPrivilege 3352 c64ad9331e3ac966d59e698dc8b51fefa2b643474201dc0efc2050492ace6c0e.exe Token: SeImpersonatePrivilege 3352 c64ad9331e3ac966d59e698dc8b51fefa2b643474201dc0efc2050492ace6c0e.exe Token: SeDebugPrivilege 3384 powershell.exe Token: SeDebugPrivilege 1644 powershell.exe Token: SeDebugPrivilege 1756 powershell.exe Token: SeDebugPrivilege 628 powershell.exe Token: SeDebugPrivilege 1860 powershell.exe Token: SeDebugPrivilege 3484 powershell.exe Token: SeSystemEnvironmentPrivilege 2604 csrss.exe Token: SeSecurityPrivilege 4464 sc.exe Token: SeSecurityPrivilege 4464 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3352 wrote to memory of 3452 3352 c64ad9331e3ac966d59e698dc8b51fefa2b643474201dc0efc2050492ace6c0e.exe 83 PID 3352 wrote to memory of 3452 3352 c64ad9331e3ac966d59e698dc8b51fefa2b643474201dc0efc2050492ace6c0e.exe 83 PID 3352 wrote to memory of 3452 3352 c64ad9331e3ac966d59e698dc8b51fefa2b643474201dc0efc2050492ace6c0e.exe 83 PID 3456 wrote to memory of 3384 3456 c64ad9331e3ac966d59e698dc8b51fefa2b643474201dc0efc2050492ace6c0e.exe 94 PID 3456 wrote to memory of 3384 3456 c64ad9331e3ac966d59e698dc8b51fefa2b643474201dc0efc2050492ace6c0e.exe 94 PID 3456 wrote to memory of 3384 3456 c64ad9331e3ac966d59e698dc8b51fefa2b643474201dc0efc2050492ace6c0e.exe 94 PID 3456 wrote to memory of 3688 3456 c64ad9331e3ac966d59e698dc8b51fefa2b643474201dc0efc2050492ace6c0e.exe 98 PID 3456 wrote to memory of 3688 3456 c64ad9331e3ac966d59e698dc8b51fefa2b643474201dc0efc2050492ace6c0e.exe 98 PID 3688 wrote to memory of 1248 3688 cmd.exe 101 PID 3688 wrote to memory of 1248 3688 cmd.exe 101 PID 3456 wrote to memory of 1644 3456 c64ad9331e3ac966d59e698dc8b51fefa2b643474201dc0efc2050492ace6c0e.exe 103 PID 3456 wrote to memory of 1644 3456 c64ad9331e3ac966d59e698dc8b51fefa2b643474201dc0efc2050492ace6c0e.exe 103 PID 3456 wrote to memory of 1644 3456 c64ad9331e3ac966d59e698dc8b51fefa2b643474201dc0efc2050492ace6c0e.exe 103 PID 3456 wrote to memory of 1756 3456 c64ad9331e3ac966d59e698dc8b51fefa2b643474201dc0efc2050492ace6c0e.exe 105 PID 3456 wrote to memory of 1756 3456 c64ad9331e3ac966d59e698dc8b51fefa2b643474201dc0efc2050492ace6c0e.exe 105 PID 3456 wrote to memory of 1756 3456 c64ad9331e3ac966d59e698dc8b51fefa2b643474201dc0efc2050492ace6c0e.exe 105 PID 3456 wrote to memory of 2604 3456 c64ad9331e3ac966d59e698dc8b51fefa2b643474201dc0efc2050492ace6c0e.exe 107 PID 3456 wrote to memory of 2604 3456 c64ad9331e3ac966d59e698dc8b51fefa2b643474201dc0efc2050492ace6c0e.exe 107 PID 3456 wrote to memory of 2604 3456 c64ad9331e3ac966d59e698dc8b51fefa2b643474201dc0efc2050492ace6c0e.exe 107 PID 2604 wrote to memory of 628 2604 csrss.exe 108 PID 2604 wrote to memory of 628 2604 csrss.exe 108 PID 2604 wrote to memory of 628 2604 csrss.exe 108 PID 2604 wrote to memory of 1860 2604 csrss.exe 113 PID 2604 wrote to memory of 1860 2604 csrss.exe 113 PID 2604 wrote to memory of 1860 2604 csrss.exe 113 PID 2604 wrote to memory of 3484 2604 csrss.exe 116 PID 2604 wrote to memory of 3484 2604 csrss.exe 116 PID 2604 wrote to memory of 3484 2604 csrss.exe 116 PID 2604 wrote to memory of 624 2604 csrss.exe 118 PID 2604 wrote to memory of 624 2604 csrss.exe 118 PID 3268 wrote to memory of 4672 3268 windefender.exe 124 PID 3268 wrote to memory of 4672 3268 windefender.exe 124 PID 3268 wrote to memory of 4672 3268 windefender.exe 124 PID 4672 wrote to memory of 4464 4672 cmd.exe 125 PID 4672 wrote to memory of 4464 4672 cmd.exe 125 PID 4672 wrote to memory of 4464 4672 cmd.exe 125 -
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\c64ad9331e3ac966d59e698dc8b51fefa2b643474201dc0efc2050492ace6c0e.exe"C:\Users\Admin\AppData\Local\Temp\c64ad9331e3ac966d59e698dc8b51fefa2b643474201dc0efc2050492ace6c0e.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3352 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3452
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C:\Users\Admin\AppData\Local\Temp\c64ad9331e3ac966d59e698dc8b51fefa2b643474201dc0efc2050492ace6c0e.exe"C:\Users\Admin\AppData\Local\Temp\c64ad9331e3ac966d59e698dc8b51fefa2b643474201dc0efc2050492ace6c0e.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:3456 -
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:3384
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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:3688 -
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:1248
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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:1644
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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:1756
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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:2604 -
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:628
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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:4512
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3088
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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:1860
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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:3484
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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:624
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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:432
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3268 -
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:4672 -
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:4464
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3848
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
MD5878abe84b1eb516f9a056ea5c77adca1
SHA1b90596c6109fbffff4f958e7adfd69f396b0b896
SHA2563fcb5ebb37b3cb295b57da22336d91a4a05d1d41b5ee31229dd0e499cc6d3635
SHA5122be9f2fa36478c64b287f56ce8187c86393f9b1b576914f5249e79f6a434d4d5d8b7c3975bbcaadd374c1158db060c7fed36db9db81589ec64bfd8e6ff9fc8bb
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57808cc4bc10e57cf37fb6f079008c30b
SHA1716e561f2768ec7310889cfb1cdedd3d39598820
SHA2560dd85fae68505f5b55aa8b8c97d791a9f0d523e0e666a01b66ee93e98ad50a16
SHA51206a8ba1a305570937e8541670e4d0745b4070d82aa34d18869c0d75594376fb267e42ccd829c130fd3c40349b4792648e3171235eda553842e0ef4c4ef4d7b12
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5015f1cf9d800e75293a325f1e05fef9d
SHA1fef1e34a761a0821734bbe14fd8aad3306030378
SHA2569df933547cfcfdb74474cf2e10bde060402f2992e72d73b1211a6ef819efc8b8
SHA51278140949f894b9f18a40aa6ea6d45d24c13cb10dc1d11244b4dbb527351a269a67a940ef39f1f6cd7f6eae13596f5a6215d90283ae63fcaedd223d373ae8ddc4
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5bb76f9f54adb95b1409765bb7f03ddc8
SHA11f7fb037310ea5f3eeb3952332edc2b994ae07e7
SHA256c7f0a7cdefc73457d047ad56f5941a794ad7c7a41f4bb40378de62bba3ce7c1d
SHA51289616232a6df8634495190c6f3928787d539ae7dbdb2e46807156a2fa798c5c4e08eb88dee57b936ddeaccd4f2f82b89779b7e9854a8a46d484f27a3c1482b88
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5cc3df8f28acc1f35c01b9fd34d551b86
SHA19663c61981235bc5fe18285e940d2794f431c548
SHA2564d0ea4ce299708221d0080aebca7148f4beb66b0483754c876141f497d07b0fd
SHA5127bdb166e6e560708cbd238e0acdcb3fbe19a5c07169d908062e48f2e8c45319aecba980727e4bc2c99ca51a27c889e08b140124bfb1880adac56b4a3a62f9e81
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Filesize
4.1MB
MD5474afcf6c50d1b82d8a95de513040f41
SHA1bfd536be2f3a83bcae77ad3d04d4f5364210639b
SHA256c64ad9331e3ac966d59e698dc8b51fefa2b643474201dc0efc2050492ace6c0e
SHA512631cae5c262274666b7e1a8afef163b5ad2aeb3c10eae57dd8887a945b0f4c41f995e9420fc2e14953fcfa2dee40b0f9537e8708d1238d222bf69e0631dbf11d
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec