Analysis
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max time kernel
149s -
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
17-05-2024 07:36
Static task
static1
Behavioral task
behavioral1
Sample
d8f51a68fb44f7cc9fe241e8c95b00c23440f8bd6d1a0969003b8aea1dbf6912.exe
Resource
win10v2004-20240426-en
General
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Target
d8f51a68fb44f7cc9fe241e8c95b00c23440f8bd6d1a0969003b8aea1dbf6912.exe
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Size
4.1MB
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MD5
750a1eda2b6bc78ba43853949fca2b03
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SHA1
b766c146a67d891a54c54cf145c4c24d8330e940
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SHA256
d8f51a68fb44f7cc9fe241e8c95b00c23440f8bd6d1a0969003b8aea1dbf6912
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SHA512
24f0b70f01ba1274bb0b6f0864dc2bdf103e4137982a4c61951780e82b4a76a73839b5d61a3e4db6def09ab35fb552675ef0769a2b864375ee68dd9396a7f44a
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SSDEEP
98304:40IUXroYDzElV89sdV2qHm3LaKbYXl7F29tEHWEXgelgSAZWSyDiLi:jIU7SlV8K2X2AhEHFgekct
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral1/memory/4788-2-0x0000000004B30000-0x000000000541B000-memory.dmp family_glupteba behavioral1/memory/4788-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4788-27-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/4788-57-0x0000000004B30000-0x000000000541B000-memory.dmp family_glupteba behavioral1/memory/4788-58-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4788-82-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/1836-108-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/1836-137-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/5040-174-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/5040-219-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/5040-230-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/5040-233-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/5040-236-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/5040-239-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/5040-242-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/5040-245-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/5040-248-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/5040-251-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/5040-254-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/5040-257-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3132 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 5040 csrss.exe 3384 injector.exe 1512 windefender.exe 1432 windefender.exe -
resource yara_rule behavioral1/files/0x00090000000233a6-222.dat upx behavioral1/memory/1512-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1432-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1512-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1432-232-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1432-238-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" d8f51a68fb44f7cc9fe241e8c95b00c23440f8bd6d1a0969003b8aea1dbf6912.exe Set value (str) \REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\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 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 -
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 d8f51a68fb44f7cc9fe241e8c95b00c23440f8bd6d1a0969003b8aea1dbf6912.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe d8f51a68fb44f7cc9fe241e8c95b00c23440f8bd6d1a0969003b8aea1dbf6912.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss d8f51a68fb44f7cc9fe241e8c95b00c23440f8bd6d1a0969003b8aea1dbf6912.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 1420 sc.exe -
pid Process 2492 powershell.exe 1996 powershell.exe 1524 powershell.exe 2832 powershell.exe 1640 powershell.exe 4548 powershell.exe 1200 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 3220 schtasks.exe 4000 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process 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,-2492 = "Aus Central W. Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-722 = "Central Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2342 = "Haiti 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\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" d8f51a68fb44f7cc9fe241e8c95b00c23440f8bd6d1a0969003b8aea1dbf6912.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" d8f51a68fb44f7cc9fe241e8c95b00c23440f8bd6d1a0969003b8aea1dbf6912.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs 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,-392 = "Arab Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" d8f51a68fb44f7cc9fe241e8c95b00c23440f8bd6d1a0969003b8aea1dbf6912.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" d8f51a68fb44f7cc9fe241e8c95b00c23440f8bd6d1a0969003b8aea1dbf6912.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-962 = "Paraguay Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1411 = "Syria Daylight Time" windefender.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,-661 = "Cen. Australia 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 Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.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\@tzres.dll,-462 = "Afghanistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-91 = "Pacific SA Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time" d8f51a68fb44f7cc9fe241e8c95b00c23440f8bd6d1a0969003b8aea1dbf6912.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" d8f51a68fb44f7cc9fe241e8c95b00c23440f8bd6d1a0969003b8aea1dbf6912.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-384 = "Namibia Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA 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,-451 = "Caucasus Daylight Time" windefender.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,-334 = "Jordan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2792 = "Novosibirsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2572 = "Turks and Caicos Standard Time" d8f51a68fb44f7cc9fe241e8c95b00c23440f8bd6d1a0969003b8aea1dbf6912.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2061 = "North Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-871 = "Pakistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-201 = "US Mountain Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2161 = "Altai Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)" d8f51a68fb44f7cc9fe241e8c95b00c23440f8bd6d1a0969003b8aea1dbf6912.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time" d8f51a68fb44f7cc9fe241e8c95b00c23440f8bd6d1a0969003b8aea1dbf6912.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time" d8f51a68fb44f7cc9fe241e8c95b00c23440f8bd6d1a0969003b8aea1dbf6912.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time" d8f51a68fb44f7cc9fe241e8c95b00c23440f8bd6d1a0969003b8aea1dbf6912.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time" d8f51a68fb44f7cc9fe241e8c95b00c23440f8bd6d1a0969003b8aea1dbf6912.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-41 = "E. South America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" d8f51a68fb44f7cc9fe241e8c95b00c23440f8bd6d1a0969003b8aea1dbf6912.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time" d8f51a68fb44f7cc9fe241e8c95b00c23440f8bd6d1a0969003b8aea1dbf6912.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2891 = "Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-601 = "Taipei Daylight Time" windefender.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\@tzres.dll,-82 = "Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-431 = "Iran Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time" d8f51a68fb44f7cc9fe241e8c95b00c23440f8bd6d1a0969003b8aea1dbf6912.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1524 powershell.exe 1524 powershell.exe 4788 d8f51a68fb44f7cc9fe241e8c95b00c23440f8bd6d1a0969003b8aea1dbf6912.exe 4788 d8f51a68fb44f7cc9fe241e8c95b00c23440f8bd6d1a0969003b8aea1dbf6912.exe 2832 powershell.exe 2832 powershell.exe 1836 d8f51a68fb44f7cc9fe241e8c95b00c23440f8bd6d1a0969003b8aea1dbf6912.exe 1836 d8f51a68fb44f7cc9fe241e8c95b00c23440f8bd6d1a0969003b8aea1dbf6912.exe 1836 d8f51a68fb44f7cc9fe241e8c95b00c23440f8bd6d1a0969003b8aea1dbf6912.exe 1836 d8f51a68fb44f7cc9fe241e8c95b00c23440f8bd6d1a0969003b8aea1dbf6912.exe 1836 d8f51a68fb44f7cc9fe241e8c95b00c23440f8bd6d1a0969003b8aea1dbf6912.exe 1836 d8f51a68fb44f7cc9fe241e8c95b00c23440f8bd6d1a0969003b8aea1dbf6912.exe 1836 d8f51a68fb44f7cc9fe241e8c95b00c23440f8bd6d1a0969003b8aea1dbf6912.exe 1836 d8f51a68fb44f7cc9fe241e8c95b00c23440f8bd6d1a0969003b8aea1dbf6912.exe 1836 d8f51a68fb44f7cc9fe241e8c95b00c23440f8bd6d1a0969003b8aea1dbf6912.exe 1836 d8f51a68fb44f7cc9fe241e8c95b00c23440f8bd6d1a0969003b8aea1dbf6912.exe 1640 powershell.exe 1640 powershell.exe 4548 powershell.exe 4548 powershell.exe 1200 powershell.exe 1200 powershell.exe 2492 powershell.exe 2492 powershell.exe 1996 powershell.exe 1996 powershell.exe 3384 injector.exe 3384 injector.exe 3384 injector.exe 3384 injector.exe 3384 injector.exe 3384 injector.exe 3384 injector.exe 3384 injector.exe 5040 csrss.exe 5040 csrss.exe 3384 injector.exe 3384 injector.exe 3384 injector.exe 3384 injector.exe 3384 injector.exe 3384 injector.exe 5040 csrss.exe 5040 csrss.exe 3384 injector.exe 3384 injector.exe 5040 csrss.exe 5040 csrss.exe 3384 injector.exe 3384 injector.exe 3384 injector.exe 3384 injector.exe 3384 injector.exe 3384 injector.exe 3384 injector.exe 3384 injector.exe 3384 injector.exe 3384 injector.exe 3384 injector.exe 3384 injector.exe 3384 injector.exe 3384 injector.exe 3384 injector.exe 3384 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1524 powershell.exe Token: SeDebugPrivilege 4788 d8f51a68fb44f7cc9fe241e8c95b00c23440f8bd6d1a0969003b8aea1dbf6912.exe Token: SeImpersonatePrivilege 4788 d8f51a68fb44f7cc9fe241e8c95b00c23440f8bd6d1a0969003b8aea1dbf6912.exe Token: SeDebugPrivilege 2832 powershell.exe Token: SeDebugPrivilege 1640 powershell.exe Token: SeDebugPrivilege 4548 powershell.exe Token: SeDebugPrivilege 1200 powershell.exe Token: SeDebugPrivilege 2492 powershell.exe Token: SeDebugPrivilege 1996 powershell.exe Token: SeSystemEnvironmentPrivilege 5040 csrss.exe Token: SeSecurityPrivilege 1420 sc.exe Token: SeSecurityPrivilege 1420 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4788 wrote to memory of 1524 4788 d8f51a68fb44f7cc9fe241e8c95b00c23440f8bd6d1a0969003b8aea1dbf6912.exe 94 PID 4788 wrote to memory of 1524 4788 d8f51a68fb44f7cc9fe241e8c95b00c23440f8bd6d1a0969003b8aea1dbf6912.exe 94 PID 4788 wrote to memory of 1524 4788 d8f51a68fb44f7cc9fe241e8c95b00c23440f8bd6d1a0969003b8aea1dbf6912.exe 94 PID 1836 wrote to memory of 2832 1836 d8f51a68fb44f7cc9fe241e8c95b00c23440f8bd6d1a0969003b8aea1dbf6912.exe 100 PID 1836 wrote to memory of 2832 1836 d8f51a68fb44f7cc9fe241e8c95b00c23440f8bd6d1a0969003b8aea1dbf6912.exe 100 PID 1836 wrote to memory of 2832 1836 d8f51a68fb44f7cc9fe241e8c95b00c23440f8bd6d1a0969003b8aea1dbf6912.exe 100 PID 1836 wrote to memory of 4540 1836 d8f51a68fb44f7cc9fe241e8c95b00c23440f8bd6d1a0969003b8aea1dbf6912.exe 102 PID 1836 wrote to memory of 4540 1836 d8f51a68fb44f7cc9fe241e8c95b00c23440f8bd6d1a0969003b8aea1dbf6912.exe 102 PID 4540 wrote to memory of 3132 4540 cmd.exe 104 PID 4540 wrote to memory of 3132 4540 cmd.exe 104 PID 1836 wrote to memory of 1640 1836 d8f51a68fb44f7cc9fe241e8c95b00c23440f8bd6d1a0969003b8aea1dbf6912.exe 105 PID 1836 wrote to memory of 1640 1836 d8f51a68fb44f7cc9fe241e8c95b00c23440f8bd6d1a0969003b8aea1dbf6912.exe 105 PID 1836 wrote to memory of 1640 1836 d8f51a68fb44f7cc9fe241e8c95b00c23440f8bd6d1a0969003b8aea1dbf6912.exe 105 PID 1836 wrote to memory of 4548 1836 d8f51a68fb44f7cc9fe241e8c95b00c23440f8bd6d1a0969003b8aea1dbf6912.exe 107 PID 1836 wrote to memory of 4548 1836 d8f51a68fb44f7cc9fe241e8c95b00c23440f8bd6d1a0969003b8aea1dbf6912.exe 107 PID 1836 wrote to memory of 4548 1836 d8f51a68fb44f7cc9fe241e8c95b00c23440f8bd6d1a0969003b8aea1dbf6912.exe 107 PID 1836 wrote to memory of 5040 1836 d8f51a68fb44f7cc9fe241e8c95b00c23440f8bd6d1a0969003b8aea1dbf6912.exe 109 PID 1836 wrote to memory of 5040 1836 d8f51a68fb44f7cc9fe241e8c95b00c23440f8bd6d1a0969003b8aea1dbf6912.exe 109 PID 1836 wrote to memory of 5040 1836 d8f51a68fb44f7cc9fe241e8c95b00c23440f8bd6d1a0969003b8aea1dbf6912.exe 109 PID 5040 wrote to memory of 1200 5040 csrss.exe 112 PID 5040 wrote to memory of 1200 5040 csrss.exe 112 PID 5040 wrote to memory of 1200 5040 csrss.exe 112 PID 5040 wrote to memory of 2492 5040 csrss.exe 118 PID 5040 wrote to memory of 2492 5040 csrss.exe 118 PID 5040 wrote to memory of 2492 5040 csrss.exe 118 PID 5040 wrote to memory of 1996 5040 csrss.exe 120 PID 5040 wrote to memory of 1996 5040 csrss.exe 120 PID 5040 wrote to memory of 1996 5040 csrss.exe 120 PID 5040 wrote to memory of 3384 5040 csrss.exe 122 PID 5040 wrote to memory of 3384 5040 csrss.exe 122 PID 1512 wrote to memory of 3720 1512 windefender.exe 128 PID 1512 wrote to memory of 3720 1512 windefender.exe 128 PID 1512 wrote to memory of 3720 1512 windefender.exe 128 PID 3720 wrote to memory of 1420 3720 cmd.exe 129 PID 3720 wrote to memory of 1420 3720 cmd.exe 129 PID 3720 wrote to memory of 1420 3720 cmd.exe 129 -
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\d8f51a68fb44f7cc9fe241e8c95b00c23440f8bd6d1a0969003b8aea1dbf6912.exe"C:\Users\Admin\AppData\Local\Temp\d8f51a68fb44f7cc9fe241e8c95b00c23440f8bd6d1a0969003b8aea1dbf6912.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4788 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1524
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C:\Users\Admin\AppData\Local\Temp\d8f51a68fb44f7cc9fe241e8c95b00c23440f8bd6d1a0969003b8aea1dbf6912.exe"C:\Users\Admin\AppData\Local\Temp\d8f51a68fb44f7cc9fe241e8c95b00c23440f8bd6d1a0969003b8aea1dbf6912.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:1836 -
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:2832
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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:4540 -
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:3132
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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:1640
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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:4548
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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:5040 -
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:1200
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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:3220
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3200
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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:2492
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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:1996
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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:3384
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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:4000
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1512 -
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:3720 -
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:1420
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1432
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
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD571698f7d21ef7880c7ad9189ce593b37
SHA1260cc012c642e2c2bf4dabd9ea2a13e5a766c040
SHA2564896d3502065cc41f0cae878b90b71077f2b99dc5bd188bb427f079c689ec523
SHA512231bafa2d8840c945a9d982c9781350ca00a4341eb227e7fb23df5a9edb4c013cf8d1f84a96da2ecea8975337f4508f4d00569cbfee177a491cc0a938ba1cac3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57b3c145d71e3ef0768732c616893654d
SHA1acae49ce75a7ec0fe6026e7e723426bf44e49e9c
SHA256a664367a7d7977e8caab7374c4b6bb70620fd3d10d97347db14026da58e7fc7f
SHA512e3f22733976d1c2a0c1de3e23cc557da146c9299bcb26c416b732c32e19cb5fea1f749b8f5f867e6820259264b79c50b2bb3108e9b4fd3ba4b0f32608ece70e3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56e3c579b3078fe9abe4665371c29b6a6
SHA11f389d15792599ec84d4c87ce11ddfb76ceaea53
SHA256f3c9c00755d4fa0517f1d1e2c0fadbf135ed348080ea33bd373d1b238588a8f5
SHA5123cb82806ce507ff34937c53a1978dbdebf792ed4cead5854fb375bbd6a01f81cb5446f54c24820abb765596b1ec8ab0fc2b8359b9fc59a6370824a2f251d2d8a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c06c933939519d9a1f99fe2ab3980410
SHA10e0bc910d4fe7ed6500b2de989ad90c7178ab521
SHA256a6dc56f21e6a08ef888b464dd148a2b22ff95ccd0a9df1b7d4d7cbdb70fdcbce
SHA51286843da42d88f81f18fd147dc41244499ed9ce2d7ed9c9072b0a683dc817c7c426f9ed3c7b91096e04b4b3abb43ae717c5a8981898684b917eff848eca1c9d7a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58d24a5f5a7ec7ab2bc2c990f7cf6bdb0
SHA18564ca6a67c31b736abcb1667b7e31f8247c3ea4
SHA256b66c6e66bf7b7772329e623ccf3a3371288d5373b79c3381ba6f99dbb93ba715
SHA512de29e8e7c5139b322868b07e3cc531f59fa259774ce6e2ebc2abc81deffb057add8bac38e98ecda5c2313931296f0396cff430a64409dbdb905c0a359e0f1d68
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Filesize
4.1MB
MD5750a1eda2b6bc78ba43853949fca2b03
SHA1b766c146a67d891a54c54cf145c4c24d8330e940
SHA256d8f51a68fb44f7cc9fe241e8c95b00c23440f8bd6d1a0969003b8aea1dbf6912
SHA51224f0b70f01ba1274bb0b6f0864dc2bdf103e4137982a4c61951780e82b4a76a73839b5d61a3e4db6def09ab35fb552675ef0769a2b864375ee68dd9396a7f44a
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec