Analysis
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max time kernel
149s -
max time network
149s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
09/05/2024, 19:24
Static task
static1
Behavioral task
behavioral1
Sample
e9c0b5f56769a7e26d06b0c940d44574a72d361fc80311b34127211df8547b20.exe
Resource
win10v2004-20240426-en
General
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Target
e9c0b5f56769a7e26d06b0c940d44574a72d361fc80311b34127211df8547b20.exe
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Size
4.1MB
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MD5
d3c0b8143dbbfeebe7c9315b4f80937f
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SHA1
fb2fb12790326d3e0e780baaba26bc1383a6de0a
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SHA256
e9c0b5f56769a7e26d06b0c940d44574a72d361fc80311b34127211df8547b20
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SHA512
4e14e5ff1874d7d5c1bec9a794eebc446253b572cb4aae6ab5cb3b474e130ddb258f3dc1f932ae1008166c8fbbcb1332e7ccb4b54987efc2b1952a6afe9c3b60
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SSDEEP
98304:3pLl5dh/cY//0ytMliSDJIrO0tWgVy355J08nZmlsCv:5LlNLHtGNcOLFp5JFwlsCv
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/2924-2-0x0000000005000000-0x00000000058EB000-memory.dmp family_glupteba behavioral2/memory/2924-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2924-42-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/2924-53-0x0000000005000000-0x00000000058EB000-memory.dmp family_glupteba behavioral2/memory/2924-51-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/4648-63-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/2924-76-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4648-128-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/2856-150-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/2856-205-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/2856-217-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/2856-221-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/2856-224-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/2856-229-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/2856-233-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/2856-237-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/2856-240-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/2856-245-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/2856-249-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2104 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2856 csrss.exe 1740 injector.exe 5040 windefender.exe 4156 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa97-208.dat upx behavioral2/memory/5040-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4156-212-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/5040-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4156-218-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4156-226-0x0000000000400000-0x00000000008DF000-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\"" e9c0b5f56769a7e26d06b0c940d44574a72d361fc80311b34127211df8547b20.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 e9c0b5f56769a7e26d06b0c940d44574a72d361fc80311b34127211df8547b20.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss e9c0b5f56769a7e26d06b0c940d44574a72d361fc80311b34127211df8547b20.exe File created C:\Windows\rss\csrss.exe e9c0b5f56769a7e26d06b0c940d44574a72d361fc80311b34127211df8547b20.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 4616 sc.exe -
pid Process 3528 powershell.exe 2468 powershell.exe 3552 powershell.exe 4976 powershell.exe 3300 powershell.exe 2480 powershell.exe 3600 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 1564 schtasks.exe 4776 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates 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\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" e9c0b5f56769a7e26d06b0c940d44574a72d361fc80311b34127211df8547b20.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time" e9c0b5f56769a7e26d06b0c940d44574a72d361fc80311b34127211df8547b20.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" e9c0b5f56769a7e26d06b0c940d44574a72d361fc80311b34127211df8547b20.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time" e9c0b5f56769a7e26d06b0c940d44574a72d361fc80311b34127211df8547b20.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time" e9c0b5f56769a7e26d06b0c940d44574a72d361fc80311b34127211df8547b20.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time" e9c0b5f56769a7e26d06b0c940d44574a72d361fc80311b34127211df8547b20.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,-282 = "Central Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-791 = "SA Western 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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time" e9c0b5f56769a7e26d06b0c940d44574a72d361fc80311b34127211df8547b20.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" e9c0b5f56769a7e26d06b0c940d44574a72d361fc80311b34127211df8547b20.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 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\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-262 = "GMT Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-741 = "New Zealand Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2771 = "Omsk Daylight Time" windefender.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" e9c0b5f56769a7e26d06b0c940d44574a72d361fc80311b34127211df8547b20.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time" e9c0b5f56769a7e26d06b0c940d44574a72d361fc80311b34127211df8547b20.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-202 = "US Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-392 = "Arab Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-982 = "Kamchatka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" e9c0b5f56769a7e26d06b0c940d44574a72d361fc80311b34127211df8547b20.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time" e9c0b5f56769a7e26d06b0c940d44574a72d361fc80311b34127211df8547b20.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-365 = "Middle East Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time" e9c0b5f56769a7e26d06b0c940d44574a72d361fc80311b34127211df8547b20.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" e9c0b5f56769a7e26d06b0c940d44574a72d361fc80311b34127211df8547b20.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-92 = "Pacific SA Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2141 = "Transbaikal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" e9c0b5f56769a7e26d06b0c940d44574a72d361fc80311b34127211df8547b20.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-512 = "Central Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-232 = "Hawaiian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2841 = "Saratov Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.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\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time" e9c0b5f56769a7e26d06b0c940d44574a72d361fc80311b34127211df8547b20.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-351 = "FLE Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-832 = "SA Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time" e9c0b5f56769a7e26d06b0c940d44574a72d361fc80311b34127211df8547b20.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time" e9c0b5f56769a7e26d06b0c940d44574a72d361fc80311b34127211df8547b20.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time" e9c0b5f56769a7e26d06b0c940d44574a72d361fc80311b34127211df8547b20.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" e9c0b5f56769a7e26d06b0c940d44574a72d361fc80311b34127211df8547b20.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time" e9c0b5f56769a7e26d06b0c940d44574a72d361fc80311b34127211df8547b20.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time" e9c0b5f56769a7e26d06b0c940d44574a72d361fc80311b34127211df8547b20.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" e9c0b5f56769a7e26d06b0c940d44574a72d361fc80311b34127211df8547b20.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3600 powershell.exe 3600 powershell.exe 2924 e9c0b5f56769a7e26d06b0c940d44574a72d361fc80311b34127211df8547b20.exe 2924 e9c0b5f56769a7e26d06b0c940d44574a72d361fc80311b34127211df8547b20.exe 3528 powershell.exe 3528 powershell.exe 4648 e9c0b5f56769a7e26d06b0c940d44574a72d361fc80311b34127211df8547b20.exe 4648 e9c0b5f56769a7e26d06b0c940d44574a72d361fc80311b34127211df8547b20.exe 4648 e9c0b5f56769a7e26d06b0c940d44574a72d361fc80311b34127211df8547b20.exe 4648 e9c0b5f56769a7e26d06b0c940d44574a72d361fc80311b34127211df8547b20.exe 4648 e9c0b5f56769a7e26d06b0c940d44574a72d361fc80311b34127211df8547b20.exe 4648 e9c0b5f56769a7e26d06b0c940d44574a72d361fc80311b34127211df8547b20.exe 4648 e9c0b5f56769a7e26d06b0c940d44574a72d361fc80311b34127211df8547b20.exe 4648 e9c0b5f56769a7e26d06b0c940d44574a72d361fc80311b34127211df8547b20.exe 4648 e9c0b5f56769a7e26d06b0c940d44574a72d361fc80311b34127211df8547b20.exe 4648 e9c0b5f56769a7e26d06b0c940d44574a72d361fc80311b34127211df8547b20.exe 2468 powershell.exe 2468 powershell.exe 3552 powershell.exe 3552 powershell.exe 4976 powershell.exe 4976 powershell.exe 3300 powershell.exe 3300 powershell.exe 2480 powershell.exe 2480 powershell.exe 1740 injector.exe 1740 injector.exe 1740 injector.exe 1740 injector.exe 1740 injector.exe 1740 injector.exe 2856 csrss.exe 2856 csrss.exe 1740 injector.exe 1740 injector.exe 1740 injector.exe 1740 injector.exe 1740 injector.exe 1740 injector.exe 2856 csrss.exe 2856 csrss.exe 1740 injector.exe 1740 injector.exe 1740 injector.exe 1740 injector.exe 1740 injector.exe 1740 injector.exe 2856 csrss.exe 2856 csrss.exe 1740 injector.exe 1740 injector.exe 1740 injector.exe 1740 injector.exe 1740 injector.exe 1740 injector.exe 1740 injector.exe 1740 injector.exe 1740 injector.exe 1740 injector.exe 1740 injector.exe 1740 injector.exe 1740 injector.exe 1740 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3600 powershell.exe Token: SeDebugPrivilege 2924 e9c0b5f56769a7e26d06b0c940d44574a72d361fc80311b34127211df8547b20.exe Token: SeImpersonatePrivilege 2924 e9c0b5f56769a7e26d06b0c940d44574a72d361fc80311b34127211df8547b20.exe Token: SeDebugPrivilege 3528 powershell.exe Token: SeDebugPrivilege 2468 powershell.exe Token: SeDebugPrivilege 3552 powershell.exe Token: SeDebugPrivilege 4976 powershell.exe Token: SeDebugPrivilege 3300 powershell.exe Token: SeDebugPrivilege 2480 powershell.exe Token: SeSystemEnvironmentPrivilege 2856 csrss.exe Token: SeSecurityPrivilege 4616 sc.exe Token: SeSecurityPrivilege 4616 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2924 wrote to memory of 3600 2924 e9c0b5f56769a7e26d06b0c940d44574a72d361fc80311b34127211df8547b20.exe 82 PID 2924 wrote to memory of 3600 2924 e9c0b5f56769a7e26d06b0c940d44574a72d361fc80311b34127211df8547b20.exe 82 PID 2924 wrote to memory of 3600 2924 e9c0b5f56769a7e26d06b0c940d44574a72d361fc80311b34127211df8547b20.exe 82 PID 4648 wrote to memory of 3528 4648 e9c0b5f56769a7e26d06b0c940d44574a72d361fc80311b34127211df8547b20.exe 87 PID 4648 wrote to memory of 3528 4648 e9c0b5f56769a7e26d06b0c940d44574a72d361fc80311b34127211df8547b20.exe 87 PID 4648 wrote to memory of 3528 4648 e9c0b5f56769a7e26d06b0c940d44574a72d361fc80311b34127211df8547b20.exe 87 PID 4648 wrote to memory of 2280 4648 e9c0b5f56769a7e26d06b0c940d44574a72d361fc80311b34127211df8547b20.exe 89 PID 4648 wrote to memory of 2280 4648 e9c0b5f56769a7e26d06b0c940d44574a72d361fc80311b34127211df8547b20.exe 89 PID 2280 wrote to memory of 2104 2280 cmd.exe 91 PID 2280 wrote to memory of 2104 2280 cmd.exe 91 PID 4648 wrote to memory of 2468 4648 e9c0b5f56769a7e26d06b0c940d44574a72d361fc80311b34127211df8547b20.exe 92 PID 4648 wrote to memory of 2468 4648 e9c0b5f56769a7e26d06b0c940d44574a72d361fc80311b34127211df8547b20.exe 92 PID 4648 wrote to memory of 2468 4648 e9c0b5f56769a7e26d06b0c940d44574a72d361fc80311b34127211df8547b20.exe 92 PID 4648 wrote to memory of 3552 4648 e9c0b5f56769a7e26d06b0c940d44574a72d361fc80311b34127211df8547b20.exe 94 PID 4648 wrote to memory of 3552 4648 e9c0b5f56769a7e26d06b0c940d44574a72d361fc80311b34127211df8547b20.exe 94 PID 4648 wrote to memory of 3552 4648 e9c0b5f56769a7e26d06b0c940d44574a72d361fc80311b34127211df8547b20.exe 94 PID 4648 wrote to memory of 2856 4648 e9c0b5f56769a7e26d06b0c940d44574a72d361fc80311b34127211df8547b20.exe 97 PID 4648 wrote to memory of 2856 4648 e9c0b5f56769a7e26d06b0c940d44574a72d361fc80311b34127211df8547b20.exe 97 PID 4648 wrote to memory of 2856 4648 e9c0b5f56769a7e26d06b0c940d44574a72d361fc80311b34127211df8547b20.exe 97 PID 2856 wrote to memory of 4976 2856 csrss.exe 98 PID 2856 wrote to memory of 4976 2856 csrss.exe 98 PID 2856 wrote to memory of 4976 2856 csrss.exe 98 PID 2856 wrote to memory of 3300 2856 csrss.exe 103 PID 2856 wrote to memory of 3300 2856 csrss.exe 103 PID 2856 wrote to memory of 3300 2856 csrss.exe 103 PID 2856 wrote to memory of 2480 2856 csrss.exe 106 PID 2856 wrote to memory of 2480 2856 csrss.exe 106 PID 2856 wrote to memory of 2480 2856 csrss.exe 106 PID 2856 wrote to memory of 1740 2856 csrss.exe 108 PID 2856 wrote to memory of 1740 2856 csrss.exe 108 PID 5040 wrote to memory of 1224 5040 windefender.exe 114 PID 5040 wrote to memory of 1224 5040 windefender.exe 114 PID 5040 wrote to memory of 1224 5040 windefender.exe 114 PID 1224 wrote to memory of 4616 1224 cmd.exe 115 PID 1224 wrote to memory of 4616 1224 cmd.exe 115 PID 1224 wrote to memory of 4616 1224 cmd.exe 115 -
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\e9c0b5f56769a7e26d06b0c940d44574a72d361fc80311b34127211df8547b20.exe"C:\Users\Admin\AppData\Local\Temp\e9c0b5f56769a7e26d06b0c940d44574a72d361fc80311b34127211df8547b20.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2924 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3600
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C:\Users\Admin\AppData\Local\Temp\e9c0b5f56769a7e26d06b0c940d44574a72d361fc80311b34127211df8547b20.exe"C:\Users\Admin\AppData\Local\Temp\e9c0b5f56769a7e26d06b0c940d44574a72d361fc80311b34127211df8547b20.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:4648 -
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:3528
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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:2280 -
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:2104
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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:2468
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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:3552
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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:2856 -
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:4976
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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:1564
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3488
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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:3300
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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:2480
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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:1740
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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:4776
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:5040 -
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:1224 -
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:4616
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4156
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
MD53f80ff6443119f6fbcd57eb4644cea88
SHA132cad164b34877418b9a65f3adfa5ae2cabb15e1
SHA2565147e7cfe81992b79c354f336c8a384dab8003e632d93a48b89a38a941a27e28
SHA5129c1e1a360714a02382f6bbef6415412e26b28eb186d180715f667c8ff2bcf44081a27bfeb8bb2ece051eaebf7a1c924d4a149fef258d69431accaa2d94d0334b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56fe613c5e708e0e985da82d8464899f3
SHA180b858d6540b486a02425b3b995ac87cb15d8ed3
SHA256fe69daff944ae3a3700c3030df8f5500d5f8d13b6f88713acdc1a428d30222a6
SHA512456178ab2275180393d2a166602843ceefd7728ac09b7134804da5e489b9c53d255dee34b6b3d8ed03a8272eda61596e7679fa72fb398eccbccfa02dc6cbb8d3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52db2757e6009ca7f07f427eae8f56432
SHA15ea1cb6cf2d343c86e594e3b457b82dee8ab1cc1
SHA256d7e60e5ccf96fee8caf898c17a5b2e532eaed17ca20dc717b93026d4c0338c36
SHA512f92bdea9187c6ae6e9f50312e052642109c4050fa04dd1c8a3383d342470bab41dfc3d89aa262b57906309daa58019e346e4487eb04216d4e62d78e7d27a8265
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f302b054b43b9b8a31fc919c0e49c4f0
SHA13cf0dc2e48ced7401b5c5f0cced07d6ade735c94
SHA25687b53f7accd6f8f831193ecd2a015536a4548b8382ecd4e669b1e22428b08c9b
SHA512a797bbff42dcf3f0e69f0d850a4bff93c475ce5e52425f9eba99f5502e50ee081bee918510a9e2597a27ee2f83ea5318f7145ab037349cd071e9a017a6beff02
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a9d7d4551cb7da8cab5fea6667e97297
SHA181f44e2559345979951edcc0c856d38a6bea388d
SHA256c35548ef881b592c47e240eecdd6d20bf71999539966a48729f1c9f53ab06cb8
SHA512140e4dcd9f47b56e460af622284b56ca14defa7ea19d527f06ea012eee6b69f2a47735e41c98a4c89180a0fbb3c3ca547de9336b33748f208e81884fefa1c02d
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Filesize
4.1MB
MD5d3c0b8143dbbfeebe7c9315b4f80937f
SHA1fb2fb12790326d3e0e780baaba26bc1383a6de0a
SHA256e9c0b5f56769a7e26d06b0c940d44574a72d361fc80311b34127211df8547b20
SHA5124e14e5ff1874d7d5c1bec9a794eebc446253b572cb4aae6ab5cb3b474e130ddb258f3dc1f932ae1008166c8fbbcb1332e7ccb4b54987efc2b1952a6afe9c3b60
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec