Analysis
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max time kernel
150s -
max time network
157s -
platform
windows10-2004_x64 -
resource
win10v2004-20240319-en -
resource tags
arch:x64arch:x86image:win10v2004-20240319-enlocale:en-usos:windows10-2004-x64system -
submitted
28/03/2024, 14:25
Static task
static1
Behavioral task
behavioral1
Sample
cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe
Resource
win10v2004-20240319-en
General
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Target
cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe
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Size
4.1MB
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MD5
341b98014272b07ef8b9eeaf696f1d23
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SHA1
c185d72dd9e4aab8a1087443eaf90949ceb75831
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SHA256
cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb
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SHA512
08c4ccfe3f21ef9a5e907abbcf755b3d8f46cf3ef72b0d886c4957ca7d56b3669256ab7170000525c45a5d9043b46f39b4c6c4a72c7adecb7ca770b2bd7a61fd
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SSDEEP
98304:3iGq3KIeR6cCqKvuM4K2x9+Buk8CSmwN6LwJf1h9DYvlY:o0DS8x9+wVN60V1hdJ
Malware Config
Signatures
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Glupteba payload 22 IoCs
resource yara_rule behavioral1/memory/4788-2-0x0000000003170000-0x0000000003A5B000-memory.dmp family_glupteba behavioral1/memory/4788-3-0x0000000000400000-0x0000000000ECD000-memory.dmp family_glupteba behavioral1/memory/4788-28-0x0000000000400000-0x0000000000ECD000-memory.dmp family_glupteba behavioral1/memory/4788-55-0x0000000000400000-0x0000000000ECD000-memory.dmp family_glupteba behavioral1/memory/4788-57-0x0000000003170000-0x0000000003A5B000-memory.dmp family_glupteba behavioral1/memory/3256-58-0x0000000002B50000-0x0000000002F4B000-memory.dmp family_glupteba behavioral1/memory/3256-59-0x0000000003050000-0x000000000393B000-memory.dmp family_glupteba behavioral1/memory/3256-60-0x0000000000400000-0x0000000000ECD000-memory.dmp family_glupteba behavioral1/memory/3256-93-0x0000000000400000-0x0000000000ECD000-memory.dmp family_glupteba behavioral1/memory/3256-123-0x0000000000400000-0x0000000000ECD000-memory.dmp family_glupteba behavioral1/memory/3256-158-0x0000000000400000-0x0000000000ECD000-memory.dmp family_glupteba behavioral1/memory/1268-221-0x0000000000400000-0x0000000000ECD000-memory.dmp family_glupteba behavioral1/memory/1268-258-0x0000000000400000-0x0000000000ECD000-memory.dmp family_glupteba behavioral1/memory/1268-268-0x0000000000400000-0x0000000000ECD000-memory.dmp family_glupteba behavioral1/memory/1268-271-0x0000000000400000-0x0000000000ECD000-memory.dmp family_glupteba behavioral1/memory/1268-274-0x0000000000400000-0x0000000000ECD000-memory.dmp family_glupteba behavioral1/memory/1268-277-0x0000000000400000-0x0000000000ECD000-memory.dmp family_glupteba behavioral1/memory/1268-279-0x0000000000400000-0x0000000000ECD000-memory.dmp family_glupteba behavioral1/memory/1268-282-0x0000000000400000-0x0000000000ECD000-memory.dmp family_glupteba behavioral1/memory/1268-285-0x0000000000400000-0x0000000000ECD000-memory.dmp family_glupteba behavioral1/memory/1268-289-0x0000000000400000-0x0000000000ECD000-memory.dmp family_glupteba behavioral1/memory/1268-292-0x0000000000400000-0x0000000000ECD000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1372 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1268 csrss.exe 320 injector.exe 2220 windefender.exe 3112 windefender.exe -
resource yara_rule behavioral1/files/0x0009000000023338-261.dat upx behavioral1/memory/2220-266-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3112-269-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3112-275-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-817259280-2658881748-983986378-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe Set value (str) \REGISTRY\USER\S-1-5-21-817259280-2658881748-983986378-1000\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 cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe File created C:\Windows\rss\csrss.exe cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.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 1792 sc.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 4580 schtasks.exe 2496 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time" cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-91 = "Pacific SA Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-751 = "Tonga Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time" cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time" cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time" cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time" cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.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\22\52C64B7E\@tzres.dll,-461 = "Afghanistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-401 = "Arabic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-291 = "Central European Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-352 = "FLE Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time" cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2392 = "Aleutian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2002 = "Cabo Verde Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-502 = "Nepal Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs 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\22\52C64B7E\@tzres.dll,-571 = "China Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time" cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates 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\22\52C64B7E\@tzres.dll,-3142 = "South Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time" cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time" cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-435 = "Georgian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-364 = "Middle East Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time" cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time" cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time" cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time" cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-592 = "Malay Peninsula Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time" cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-661 = "Cen. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-732 = "Fiji Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-511 = "Central Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2512 = "Lord Howe Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2228 powershell.exe 2228 powershell.exe 2228 powershell.exe 4788 cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe 4788 cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe 4464 powershell.exe 4464 powershell.exe 4464 powershell.exe 3256 cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe 3256 cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe 3256 cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe 3256 cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe 3256 cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe 3256 cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe 3256 cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe 3256 cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe 3256 cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe 3256 cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe 3348 powershell.exe 3348 powershell.exe 3348 powershell.exe 3656 powershell.exe 3656 powershell.exe 3656 powershell.exe 496 powershell.exe 496 powershell.exe 496 powershell.exe 2672 powershell.exe 2672 powershell.exe 2672 powershell.exe 1220 powershell.exe 1220 powershell.exe 1220 powershell.exe 320 injector.exe 320 injector.exe 320 injector.exe 320 injector.exe 320 injector.exe 320 injector.exe 1268 csrss.exe 1268 csrss.exe 320 injector.exe 320 injector.exe 320 injector.exe 320 injector.exe 320 injector.exe 320 injector.exe 1268 csrss.exe 1268 csrss.exe 320 injector.exe 320 injector.exe 1268 csrss.exe 1268 csrss.exe 320 injector.exe 320 injector.exe 320 injector.exe 320 injector.exe 320 injector.exe 320 injector.exe 320 injector.exe 320 injector.exe 320 injector.exe 320 injector.exe 320 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2228 powershell.exe Token: SeDebugPrivilege 4788 cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe Token: SeImpersonatePrivilege 4788 cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe Token: SeDebugPrivilege 4464 powershell.exe Token: SeDebugPrivilege 3348 powershell.exe Token: SeDebugPrivilege 3656 powershell.exe Token: SeDebugPrivilege 496 powershell.exe Token: SeDebugPrivilege 2672 powershell.exe Token: SeDebugPrivilege 1220 powershell.exe Token: SeSystemEnvironmentPrivilege 1268 csrss.exe Token: SeSecurityPrivilege 1792 sc.exe Token: SeSecurityPrivilege 1792 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4788 wrote to memory of 2228 4788 cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe 99 PID 4788 wrote to memory of 2228 4788 cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe 99 PID 4788 wrote to memory of 2228 4788 cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe 99 PID 3256 wrote to memory of 4464 3256 cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe 112 PID 3256 wrote to memory of 4464 3256 cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe 112 PID 3256 wrote to memory of 4464 3256 cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe 112 PID 3256 wrote to memory of 2228 3256 cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe 114 PID 3256 wrote to memory of 2228 3256 cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe 114 PID 2228 wrote to memory of 1372 2228 cmd.exe 116 PID 2228 wrote to memory of 1372 2228 cmd.exe 116 PID 3256 wrote to memory of 3348 3256 cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe 117 PID 3256 wrote to memory of 3348 3256 cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe 117 PID 3256 wrote to memory of 3348 3256 cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe 117 PID 3256 wrote to memory of 3656 3256 cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe 121 PID 3256 wrote to memory of 3656 3256 cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe 121 PID 3256 wrote to memory of 3656 3256 cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe 121 PID 3256 wrote to memory of 1268 3256 cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe 123 PID 3256 wrote to memory of 1268 3256 cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe 123 PID 3256 wrote to memory of 1268 3256 cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe 123 PID 1268 wrote to memory of 496 1268 csrss.exe 124 PID 1268 wrote to memory of 496 1268 csrss.exe 124 PID 1268 wrote to memory of 496 1268 csrss.exe 124 PID 1268 wrote to memory of 2672 1268 csrss.exe 130 PID 1268 wrote to memory of 2672 1268 csrss.exe 130 PID 1268 wrote to memory of 2672 1268 csrss.exe 130 PID 1268 wrote to memory of 1220 1268 csrss.exe 132 PID 1268 wrote to memory of 1220 1268 csrss.exe 132 PID 1268 wrote to memory of 1220 1268 csrss.exe 132 PID 1268 wrote to memory of 320 1268 csrss.exe 134 PID 1268 wrote to memory of 320 1268 csrss.exe 134 PID 2220 wrote to memory of 3648 2220 windefender.exe 141 PID 2220 wrote to memory of 3648 2220 windefender.exe 141 PID 2220 wrote to memory of 3648 2220 windefender.exe 141 PID 3648 wrote to memory of 1792 3648 cmd.exe 142 PID 3648 wrote to memory of 1792 3648 cmd.exe 142 PID 3648 wrote to memory of 1792 3648 cmd.exe 142 -
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\cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe"C:\Users\Admin\AppData\Local\Temp\cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.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⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2228
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C:\Users\Admin\AppData\Local\Temp\cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.exe"C:\Users\Admin\AppData\Local\Temp\cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb.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:3256 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4464
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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:2228 -
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:1372
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3348
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3656
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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:1268 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:496
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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:4580
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3784
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2672
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1220
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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:320
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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:2496
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2220 -
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:3648 -
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:1792
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4148 --field-trial-handle=2228,i,8155065313278028490,17854605419281052753,262144 --variations-seed-version /prefetch:81⤵PID:5072
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3112
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
MD581b4af3a9b98f963e37a045a4ffefb38
SHA1d0f5bfe1fe275521de1197efaba2bf17f334eea7
SHA25696c6286de9a053f32a46210d5e62294b4f784306450b6597e43e13a3921e157d
SHA51251e0fbad018bd9ad679e0fea379d228647414ef93f79b6b5ed1cee247394f2ce1ff8cf47548b69c5146ff50c6f951098939468d70ecf7e40f3e76787c68965d3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5351c927bfec24f41ceffda6d2cfa2040
SHA1ce85d583419490ae4d9c6c4ad30ce3bf44409f21
SHA256c4020f8351594d5219e3d6f06ad47827c37b1b4e12a87cbb2057d9150381b209
SHA512b1f40a478d64b458982318504e3df481930c1d9e484a9edd38950302e1a246e4cd389a589b09143dae306c44481a0fb10aa0ed9098b2cb7018364ae7f0229194
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ebfe95ef39c08cb6c8ed4e03f211b703
SHA15a587c97f9362928a8cd73a17b0f9f3b5a803678
SHA256c41cb82b9144d5378757012590cb779fbcb81c1f00689b3aa044ca951ed58bee
SHA512e9c80a2c697eea0b848627a14aea983afa65009f4424a7d99761979b5f4aa5f23a29fa6bdf1b4144da288dee5710a3191ff00fe7558e7a291ac1af6594207d10
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD579e75ecc26cc8da85bd90c030589eaad
SHA1ba0b835aa89f933a579f8b9abb4c08b58b7669ce
SHA2569ba4131b3d419626a71a11af6f39ebd444dd280691f764b090f11bed65da1864
SHA512d8dae917c24a11d5525dc24bca5c7b73aebfa8759bbde83efb7e05a1c1275a62bf8092ec37038d81bf96f6b1973ba13834d5942a18ef24ad2b6b2fb2f5101235
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b70ea734f54fe7984bf0a44662cd692e
SHA18ccbf99349ca7667e2303d4ca6d1fa6bccdf9352
SHA256b39f455eae98c0ba5af9d74b647c49807486581ec42384ac9f8e44db8224fb54
SHA512df402860a6130315d170e9b8899e2a13f2ee8a4f61f862f3acde86ac996fda7977e30195c2a7cdbcdca36950ee13513625bcbcc54b59aa321b3594a3d58faf03
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Filesize
4.1MB
MD5341b98014272b07ef8b9eeaf696f1d23
SHA1c185d72dd9e4aab8a1087443eaf90949ceb75831
SHA256cd5b18ffe74c751de1645261623dafc9c270c90e60c284d243cf348d6bdc2feb
SHA51208c4ccfe3f21ef9a5e907abbcf755b3d8f46cf3ef72b0d886c4957ca7d56b3669256ab7170000525c45a5d9043b46f39b4c6c4a72c7adecb7ca770b2bd7a61fd
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec