Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
19-05-2024 14:01
Static task
static1
Behavioral task
behavioral1
Sample
e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exe
Resource
win10v2004-20240426-en
General
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Target
e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exe
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Size
4.1MB
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MD5
942f7c485442d3a15b5a2da757a79b1c
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SHA1
34f9eb3fb6870a36f92da0e1575e5962a86e8901
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SHA256
e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544
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SHA512
b312626ceae03a65085afbf3fc60b4ac01bb16c7165df6b69a6d0c477adc54e48181446b9d9f35d09ae86b3181828a6a95c9f1e08a886094870c24a9deba7fba
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SSDEEP
98304:UNaXJU8AJvaro5mDbVFqT6QhicqJuM7BOvJODhfBAiYJAl59WO:UqU8A9EamDpImBOY9f2NO
Malware Config
Signatures
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Glupteba payload 19 IoCs
Processes:
resource yara_rule behavioral1/memory/2536-2-0x0000000004860000-0x000000000514B000-memory.dmp family_glupteba behavioral1/memory/2536-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2536-57-0x0000000004860000-0x000000000514B000-memory.dmp family_glupteba behavioral1/memory/2536-54-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/2536-56-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1920-213-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/1344-219-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/1344-229-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/1344-232-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/1344-235-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/1344-238-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/1344-241-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/1344-244-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/1344-247-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/1344-250-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/1344-253-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/1344-256-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/1344-259-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/1344-262-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 4644 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 1344 csrss.exe 4452 injector.exe 4232 windefender.exe 4016 windefender.exe -
Processes:
resource yara_rule behavioral1/files/0x000800000002344a-222.dat upx behavioral1/memory/4232-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4016-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4232-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4016-231-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4016-236-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4016-246-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
csrss.exee76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exedescription 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\"" csrss.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\"" e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
Processes:
csrss.exedescription ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process File 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.
Processes:
e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exe -
Drops file in Windows directory 4 IoCs
Processes:
e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.execsrss.exedescription ioc Process File opened for modification C:\Windows\rss e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exe File created C:\Windows\rss\csrss.exe e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
Processes:
sc.exepid Process 896 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 4216 powershell.exe 1956 powershell.exe 1184 powershell.exe 3476 powershell.exe 4864 powershell.exe 2300 powershell.exe 4088 powershell.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exepid Process 3992 schtasks.exe 4908 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exepowershell.exewindefender.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time" e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time" e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-772 = "Montevideo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-602 = "Taipei Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-721 = "Central Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-252 = "Dateline Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-331 = "E. Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-512 = "Central Asia Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 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,-2162 = "Altai Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-372 = "Jerusalem 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 Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time" e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time" e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time" e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time" e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" windefender.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\@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,-1912 = "Russia TZ 10 Standard Time" e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2432 = "Cuba Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time" e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.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\@tzres.dll,-2571 = "Turks and Caicos Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-371 = "Jerusalem Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-561 = "SE Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-652 = "AUS Central Standard Time" e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\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\@tzres.dll,-1662 = "Bahia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-212 = "Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time" e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.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,-2411 = "Marquesas Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-501 = "Nepal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time" e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time" e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.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,-3142 = "South Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-432 = "Iran Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-334 = "Jordan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1472 = "Magadan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time" e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exee76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exepowershell.exee76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 4088 powershell.exe 4088 powershell.exe 2536 e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exe 2536 e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exe 4216 powershell.exe 4216 powershell.exe 1920 e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exe 1920 e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exe 1920 e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exe 1920 e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exe 1920 e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exe 1920 e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exe 1920 e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exe 1920 e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exe 1920 e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exe 1920 e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exe 1956 powershell.exe 1956 powershell.exe 1184 powershell.exe 1184 powershell.exe 3476 powershell.exe 3476 powershell.exe 4864 powershell.exe 4864 powershell.exe 2300 powershell.exe 2300 powershell.exe 4452 injector.exe 4452 injector.exe 4452 injector.exe 4452 injector.exe 4452 injector.exe 4452 injector.exe 1344 csrss.exe 1344 csrss.exe 4452 injector.exe 4452 injector.exe 4452 injector.exe 4452 injector.exe 4452 injector.exe 4452 injector.exe 1344 csrss.exe 1344 csrss.exe 4452 injector.exe 4452 injector.exe 1344 csrss.exe 1344 csrss.exe 4452 injector.exe 4452 injector.exe 4452 injector.exe 4452 injector.exe 4452 injector.exe 4452 injector.exe 4452 injector.exe 4452 injector.exe 4452 injector.exe 4452 injector.exe 4452 injector.exe 4452 injector.exe 4452 injector.exe 4452 injector.exe 4452 injector.exe 4452 injector.exe 4452 injector.exe 4452 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exee76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 4088 powershell.exe Token: SeDebugPrivilege 2536 e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exe Token: SeImpersonatePrivilege 2536 e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exe Token: SeDebugPrivilege 4216 powershell.exe Token: SeDebugPrivilege 1956 powershell.exe Token: SeDebugPrivilege 1184 powershell.exe Token: SeDebugPrivilege 3476 powershell.exe Token: SeDebugPrivilege 4864 powershell.exe Token: SeDebugPrivilege 2300 powershell.exe Token: SeSystemEnvironmentPrivilege 1344 csrss.exe Token: SeSecurityPrivilege 896 sc.exe Token: SeSecurityPrivilege 896 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exee76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 2536 wrote to memory of 4088 2536 e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exe 83 PID 2536 wrote to memory of 4088 2536 e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exe 83 PID 2536 wrote to memory of 4088 2536 e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exe 83 PID 1920 wrote to memory of 4216 1920 e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exe 91 PID 1920 wrote to memory of 4216 1920 e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exe 91 PID 1920 wrote to memory of 4216 1920 e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exe 91 PID 1920 wrote to memory of 2932 1920 e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exe 99 PID 1920 wrote to memory of 2932 1920 e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exe 99 PID 2932 wrote to memory of 4644 2932 cmd.exe 101 PID 2932 wrote to memory of 4644 2932 cmd.exe 101 PID 1920 wrote to memory of 1956 1920 e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exe 102 PID 1920 wrote to memory of 1956 1920 e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exe 102 PID 1920 wrote to memory of 1956 1920 e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exe 102 PID 1920 wrote to memory of 1184 1920 e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exe 104 PID 1920 wrote to memory of 1184 1920 e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exe 104 PID 1920 wrote to memory of 1184 1920 e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exe 104 PID 1920 wrote to memory of 1344 1920 e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exe 108 PID 1920 wrote to memory of 1344 1920 e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exe 108 PID 1920 wrote to memory of 1344 1920 e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exe 108 PID 1344 wrote to memory of 3476 1344 csrss.exe 109 PID 1344 wrote to memory of 3476 1344 csrss.exe 109 PID 1344 wrote to memory of 3476 1344 csrss.exe 109 PID 1344 wrote to memory of 4864 1344 csrss.exe 115 PID 1344 wrote to memory of 4864 1344 csrss.exe 115 PID 1344 wrote to memory of 4864 1344 csrss.exe 115 PID 1344 wrote to memory of 2300 1344 csrss.exe 117 PID 1344 wrote to memory of 2300 1344 csrss.exe 117 PID 1344 wrote to memory of 2300 1344 csrss.exe 117 PID 1344 wrote to memory of 4452 1344 csrss.exe 119 PID 1344 wrote to memory of 4452 1344 csrss.exe 119 PID 4232 wrote to memory of 4076 4232 windefender.exe 125 PID 4232 wrote to memory of 4076 4232 windefender.exe 125 PID 4232 wrote to memory of 4076 4232 windefender.exe 125 PID 4076 wrote to memory of 896 4076 cmd.exe 126 PID 4076 wrote to memory of 896 4076 cmd.exe 126 PID 4076 wrote to memory of 896 4076 cmd.exe 126 -
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\e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exe"C:\Users\Admin\AppData\Local\Temp\e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2536 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4088
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C:\Users\Admin\AppData\Local\Temp\e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.exe"C:\Users\Admin\AppData\Local\Temp\e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544.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:1920 -
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:4216
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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:2932 -
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:4644
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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:1956
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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:1184
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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:1344 -
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:3476
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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:3992
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3580
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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:4864
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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:2300
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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:4452
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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:4908
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4232 -
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:4076 -
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:896
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4016
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
MD59d5596cf25cefc1c5fbc5dbed9ec3e97
SHA129d12912c1324e927f698fe3e763b2c05c8f115f
SHA2569af8703a1ce07171e44bf71612f2a0c8143b759522fc3e775d8ee96007ba940a
SHA512caa0e0ae6f4c635511836de8328b2da7fd3c59c8f71cca8acae53dc062872806387493472fa10dea25116d6100ef7b164162f01b9df736556f43679124f56cfb
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55989c832e1363bcaf6e12d1a162a0845
SHA174d9233f82d98f363a4f2794c068c53f47da4ee1
SHA2560e42465aa9b2578135f0ed804e829966971812d8d26e0260a509ac16709c778e
SHA512f5034cc53b0242668da6e21ea6d66ce5873f016460899bb74732003f777fb5ea7eacbfbda65e978ff354c4f7b6702e1e92d3e14c20af040ac0bc29ba425e927c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56034196af75537efe719d4d2a6dca702
SHA19148162d4f08c3a2b57d6a7454cadbf901c95884
SHA256e6a02f6c909cb778950e5720e0f8cee1476c18b9645d6713aece695814445403
SHA5125643d43576d13c39fdf406577c47d397b787b910a0be169fc6b0d0e496aba0915d032d3061f94d9ffcda43d2373798b9cf29de5ad55f1dfdef1aa266d38fb0ab
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD519655a72b19524e093d7c7cc4a380a34
SHA161bdc11356bf16746862e14b1ce33d46baa808ce
SHA256c289b5e56b7f9326c900969e98eda058770576af8fafbab0fde2e4febc81de91
SHA5120f05243d7d78a1e9cf0e58c4228cbfc6d6c57b39cb87cbbd89c93f0754acf9ddb8b249625a77725d504348c072c3ff389f8439de99ea28ab1a377102089c8dd8
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5163a42e02a3e293ea03786c7ca9cc00f
SHA18fa6d6ae4a15fdf01cf3491131a120c64054cbbb
SHA256aeefb95b5123a3ff52880707f008d47c7c1289cdae789413a9e5019ed9a26465
SHA5122f4cb8a09d2dc6e4c53742119f66f2dea6e7c93a5b322b3b67c752a16f7dd9781f959fe827dc804838ab0d5e924683a77d1ac7d53ad2d998e9c9fd7a04bb1409
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Filesize
4.1MB
MD5942f7c485442d3a15b5a2da757a79b1c
SHA134f9eb3fb6870a36f92da0e1575e5962a86e8901
SHA256e76a08acd7b9b3f8622643510764ca0f4a210367773af7cb49db481afe9f9544
SHA512b312626ceae03a65085afbf3fc60b4ac01bb16c7165df6b69a6d0c477adc54e48181446b9d9f35d09ae86b3181828a6a95c9f1e08a886094870c24a9deba7fba
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec