Analysis
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max time kernel
150s -
max time network
157s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-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 18 IoCs
resource yara_rule behavioral2/memory/2432-2-0x0000000004C60000-0x000000000554B000-memory.dmp family_glupteba behavioral2/memory/2432-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2432-24-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/2432-54-0x0000000004C60000-0x000000000554B000-memory.dmp family_glupteba behavioral2/memory/2432-64-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/2432-81-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3268-80-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/3268-130-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/3524-206-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/3524-218-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/3524-221-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/3524-225-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/3524-229-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/3524-233-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/3524-238-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/3524-241-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/3524-245-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/3524-249-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1684 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3524 csrss.exe 2784 injector.exe 4852 windefender.exe 4136 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa3a-210.dat upx behavioral2/memory/4852-212-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4136-215-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4852-217-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4136-222-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4136-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3001105534-2705918504-2956618779-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" d8f51a68fb44f7cc9fe241e8c95b00c23440f8bd6d1a0969003b8aea1dbf6912.exe Set value (str) \REGISTRY\USER\S-1-5-21-3001105534-2705918504-2956618779-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File 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 -
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 opened for modification C:\Windows\rss d8f51a68fb44f7cc9fe241e8c95b00c23440f8bd6d1a0969003b8aea1dbf6912.exe 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 -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 2308 sc.exe -
pid Process 4356 powershell.exe 4280 powershell.exe 3440 powershell.exe 4756 powershell.exe 3896 powershell.exe 680 powershell.exe 2680 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 4692 schtasks.exe 1824 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.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\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time" d8f51a68fb44f7cc9fe241e8c95b00c23440f8bd6d1a0969003b8aea1dbf6912.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time" d8f51a68fb44f7cc9fe241e8c95b00c23440f8bd6d1a0969003b8aea1dbf6912.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time" d8f51a68fb44f7cc9fe241e8c95b00c23440f8bd6d1a0969003b8aea1dbf6912.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-621 = "Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time" d8f51a68fb44f7cc9fe241e8c95b00c23440f8bd6d1a0969003b8aea1dbf6912.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time" d8f51a68fb44f7cc9fe241e8c95b00c23440f8bd6d1a0969003b8aea1dbf6912.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time" d8f51a68fb44f7cc9fe241e8c95b00c23440f8bd6d1a0969003b8aea1dbf6912.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-32 = "Mid-Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2181 = "Astrakhan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight 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 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\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time" d8f51a68fb44f7cc9fe241e8c95b00c23440f8bd6d1a0969003b8aea1dbf6912.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time" d8f51a68fb44f7cc9fe241e8c95b00c23440f8bd6d1a0969003b8aea1dbf6912.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time" d8f51a68fb44f7cc9fe241e8c95b00c23440f8bd6d1a0969003b8aea1dbf6912.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time" d8f51a68fb44f7cc9fe241e8c95b00c23440f8bd6d1a0969003b8aea1dbf6912.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time" d8f51a68fb44f7cc9fe241e8c95b00c23440f8bd6d1a0969003b8aea1dbf6912.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2631 = "Norfolk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" d8f51a68fb44f7cc9fe241e8c95b00c23440f8bd6d1a0969003b8aea1dbf6912.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-72 = "Newfoundland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-961 = "Paraguay Daylight 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" d8f51a68fb44f7cc9fe241e8c95b00c23440f8bd6d1a0969003b8aea1dbf6912.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time" d8f51a68fb44f7cc9fe241e8c95b00c23440f8bd6d1a0969003b8aea1dbf6912.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time" d8f51a68fb44f7cc9fe241e8c95b00c23440f8bd6d1a0969003b8aea1dbf6912.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1412 = "Syria Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-492 = "India Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-741 = "New Zealand Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time" d8f51a68fb44f7cc9fe241e8c95b00c23440f8bd6d1a0969003b8aea1dbf6912.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time" d8f51a68fb44f7cc9fe241e8c95b00c23440f8bd6d1a0969003b8aea1dbf6912.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\2a\52C64B7E\@tzres.dll,-352 = "FLE 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,-214 = "Pacific Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3141 = "South Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2751 = "Tomsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time" d8f51a68fb44f7cc9fe241e8c95b00c23440f8bd6d1a0969003b8aea1dbf6912.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard 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\@tzres.dll,-672 = "AUS Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time" d8f51a68fb44f7cc9fe241e8c95b00c23440f8bd6d1a0969003b8aea1dbf6912.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time" d8f51a68fb44f7cc9fe241e8c95b00c23440f8bd6d1a0969003b8aea1dbf6912.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-541 = "Myanmar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time" d8f51a68fb44f7cc9fe241e8c95b00c23440f8bd6d1a0969003b8aea1dbf6912.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 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\2a\52C64B7E\@tzres.dll,-141 = "Canada Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" d8f51a68fb44f7cc9fe241e8c95b00c23440f8bd6d1a0969003b8aea1dbf6912.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" d8f51a68fb44f7cc9fe241e8c95b00c23440f8bd6d1a0969003b8aea1dbf6912.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time" d8f51a68fb44f7cc9fe241e8c95b00c23440f8bd6d1a0969003b8aea1dbf6912.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1842 = "Russia TZ 4 Standard Time" d8f51a68fb44f7cc9fe241e8c95b00c23440f8bd6d1a0969003b8aea1dbf6912.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2680 powershell.exe 2680 powershell.exe 2432 d8f51a68fb44f7cc9fe241e8c95b00c23440f8bd6d1a0969003b8aea1dbf6912.exe 2432 d8f51a68fb44f7cc9fe241e8c95b00c23440f8bd6d1a0969003b8aea1dbf6912.exe 4356 powershell.exe 4356 powershell.exe 3268 d8f51a68fb44f7cc9fe241e8c95b00c23440f8bd6d1a0969003b8aea1dbf6912.exe 3268 d8f51a68fb44f7cc9fe241e8c95b00c23440f8bd6d1a0969003b8aea1dbf6912.exe 3268 d8f51a68fb44f7cc9fe241e8c95b00c23440f8bd6d1a0969003b8aea1dbf6912.exe 3268 d8f51a68fb44f7cc9fe241e8c95b00c23440f8bd6d1a0969003b8aea1dbf6912.exe 3268 d8f51a68fb44f7cc9fe241e8c95b00c23440f8bd6d1a0969003b8aea1dbf6912.exe 3268 d8f51a68fb44f7cc9fe241e8c95b00c23440f8bd6d1a0969003b8aea1dbf6912.exe 3268 d8f51a68fb44f7cc9fe241e8c95b00c23440f8bd6d1a0969003b8aea1dbf6912.exe 3268 d8f51a68fb44f7cc9fe241e8c95b00c23440f8bd6d1a0969003b8aea1dbf6912.exe 3268 d8f51a68fb44f7cc9fe241e8c95b00c23440f8bd6d1a0969003b8aea1dbf6912.exe 3268 d8f51a68fb44f7cc9fe241e8c95b00c23440f8bd6d1a0969003b8aea1dbf6912.exe 4280 powershell.exe 4280 powershell.exe 3440 powershell.exe 3440 powershell.exe 4756 powershell.exe 4756 powershell.exe 3896 powershell.exe 3896 powershell.exe 680 powershell.exe 680 powershell.exe 2784 injector.exe 2784 injector.exe 2784 injector.exe 2784 injector.exe 2784 injector.exe 2784 injector.exe 3524 csrss.exe 3524 csrss.exe 2784 injector.exe 2784 injector.exe 2784 injector.exe 2784 injector.exe 2784 injector.exe 2784 injector.exe 3524 csrss.exe 3524 csrss.exe 2784 injector.exe 2784 injector.exe 3524 csrss.exe 3524 csrss.exe 2784 injector.exe 2784 injector.exe 2784 injector.exe 2784 injector.exe 2784 injector.exe 2784 injector.exe 2784 injector.exe 2784 injector.exe 2784 injector.exe 2784 injector.exe 2784 injector.exe 2784 injector.exe 2784 injector.exe 2784 injector.exe 2784 injector.exe 2784 injector.exe 2784 injector.exe 2784 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2680 powershell.exe Token: SeDebugPrivilege 2432 d8f51a68fb44f7cc9fe241e8c95b00c23440f8bd6d1a0969003b8aea1dbf6912.exe Token: SeImpersonatePrivilege 2432 d8f51a68fb44f7cc9fe241e8c95b00c23440f8bd6d1a0969003b8aea1dbf6912.exe Token: SeDebugPrivilege 4356 powershell.exe Token: SeDebugPrivilege 4280 powershell.exe Token: SeDebugPrivilege 3440 powershell.exe Token: SeDebugPrivilege 4756 powershell.exe Token: SeDebugPrivilege 3896 powershell.exe Token: SeDebugPrivilege 680 powershell.exe Token: SeSystemEnvironmentPrivilege 3524 csrss.exe Token: SeSecurityPrivilege 2308 sc.exe Token: SeSecurityPrivilege 2308 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2432 wrote to memory of 2680 2432 d8f51a68fb44f7cc9fe241e8c95b00c23440f8bd6d1a0969003b8aea1dbf6912.exe 81 PID 2432 wrote to memory of 2680 2432 d8f51a68fb44f7cc9fe241e8c95b00c23440f8bd6d1a0969003b8aea1dbf6912.exe 81 PID 2432 wrote to memory of 2680 2432 d8f51a68fb44f7cc9fe241e8c95b00c23440f8bd6d1a0969003b8aea1dbf6912.exe 81 PID 3268 wrote to memory of 4356 3268 d8f51a68fb44f7cc9fe241e8c95b00c23440f8bd6d1a0969003b8aea1dbf6912.exe 86 PID 3268 wrote to memory of 4356 3268 d8f51a68fb44f7cc9fe241e8c95b00c23440f8bd6d1a0969003b8aea1dbf6912.exe 86 PID 3268 wrote to memory of 4356 3268 d8f51a68fb44f7cc9fe241e8c95b00c23440f8bd6d1a0969003b8aea1dbf6912.exe 86 PID 3268 wrote to memory of 2960 3268 d8f51a68fb44f7cc9fe241e8c95b00c23440f8bd6d1a0969003b8aea1dbf6912.exe 88 PID 3268 wrote to memory of 2960 3268 d8f51a68fb44f7cc9fe241e8c95b00c23440f8bd6d1a0969003b8aea1dbf6912.exe 88 PID 2960 wrote to memory of 1684 2960 cmd.exe 90 PID 2960 wrote to memory of 1684 2960 cmd.exe 90 PID 3268 wrote to memory of 4280 3268 d8f51a68fb44f7cc9fe241e8c95b00c23440f8bd6d1a0969003b8aea1dbf6912.exe 91 PID 3268 wrote to memory of 4280 3268 d8f51a68fb44f7cc9fe241e8c95b00c23440f8bd6d1a0969003b8aea1dbf6912.exe 91 PID 3268 wrote to memory of 4280 3268 d8f51a68fb44f7cc9fe241e8c95b00c23440f8bd6d1a0969003b8aea1dbf6912.exe 91 PID 3268 wrote to memory of 3440 3268 d8f51a68fb44f7cc9fe241e8c95b00c23440f8bd6d1a0969003b8aea1dbf6912.exe 93 PID 3268 wrote to memory of 3440 3268 d8f51a68fb44f7cc9fe241e8c95b00c23440f8bd6d1a0969003b8aea1dbf6912.exe 93 PID 3268 wrote to memory of 3440 3268 d8f51a68fb44f7cc9fe241e8c95b00c23440f8bd6d1a0969003b8aea1dbf6912.exe 93 PID 3268 wrote to memory of 3524 3268 d8f51a68fb44f7cc9fe241e8c95b00c23440f8bd6d1a0969003b8aea1dbf6912.exe 95 PID 3268 wrote to memory of 3524 3268 d8f51a68fb44f7cc9fe241e8c95b00c23440f8bd6d1a0969003b8aea1dbf6912.exe 95 PID 3268 wrote to memory of 3524 3268 d8f51a68fb44f7cc9fe241e8c95b00c23440f8bd6d1a0969003b8aea1dbf6912.exe 95 PID 3524 wrote to memory of 4756 3524 csrss.exe 96 PID 3524 wrote to memory of 4756 3524 csrss.exe 96 PID 3524 wrote to memory of 4756 3524 csrss.exe 96 PID 3524 wrote to memory of 3896 3524 csrss.exe 102 PID 3524 wrote to memory of 3896 3524 csrss.exe 102 PID 3524 wrote to memory of 3896 3524 csrss.exe 102 PID 3524 wrote to memory of 680 3524 csrss.exe 104 PID 3524 wrote to memory of 680 3524 csrss.exe 104 PID 3524 wrote to memory of 680 3524 csrss.exe 104 PID 3524 wrote to memory of 2784 3524 csrss.exe 106 PID 3524 wrote to memory of 2784 3524 csrss.exe 106 PID 4852 wrote to memory of 1284 4852 windefender.exe 112 PID 4852 wrote to memory of 1284 4852 windefender.exe 112 PID 4852 wrote to memory of 1284 4852 windefender.exe 112 PID 1284 wrote to memory of 2308 1284 cmd.exe 113 PID 1284 wrote to memory of 2308 1284 cmd.exe 113 PID 1284 wrote to memory of 2308 1284 cmd.exe 113 -
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:2432 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2680
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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:3268 -
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:4356
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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:2960 -
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:1684
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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:4280
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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:3440
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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:3524 -
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:4756
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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:4692
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4840
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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:3896
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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:680
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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:2784
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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:1824
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4852 -
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:1284 -
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:2308
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4136
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
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD500b3626765a6cb379685d4e25419f827
SHA1329b6168ccfe714d3d719f9f0300ebd774546730
SHA2567c54e7a17a205f0bd153fed242518e53314330a95cb1bd2ec823ab0e1539aa88
SHA512824000065800143bcf162889a5b4b8150e69d67ad1527640cf9289301d8e20207801064057a5d344ad81936934c6134af1989ac007c02d85b584686d23d8a046
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD568d709452190d35bd3624000c3b3deb0
SHA11cddbfd6dcae24ce56c05e69bbc015739c4e82fc
SHA256e6e83f296772563dd2c8076b0867c55618d6eccf98fa2ae26027cc118d85a8e2
SHA5121a8b4969d27dc767bebc56a550a1d401ae4d5f796bfe609db6745758c73454b0c1d07a4b1721d4f74bad5c0b71d4dff2b6bac1b6eed186e06c42ddbd8caca9cb
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54703e73adee78434cb780ca340966b30
SHA179073006bbdab174eab7eefa26160615fd03009b
SHA2567904153962cf7fbfb850b2676f31087d5d5fc5463e95d4adb5f44b95f312aeb7
SHA512ec77dbd30df7c959fef5336378b9a7a40288c7327a5f10ca2c77a6c6741ec98ce4c55fe5e49ea50940ec2f108db4fe4457ff308afc1146b5142eafda0be33522
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52d33de345cf9b16676364e5cf0d7044a
SHA1bf218bceb22e5d96797b3c13f06d499b51cfe0be
SHA25685a514dea4f9026ddfbec847e1314e355f0897a034e2ff77c8b9418ece56f44e
SHA512113a91a257e5e4dff2ad85a19db7d319d4b31f6017569415d933a418a105567e9c10cb338b056a4ccc23d1e9bf24bab4d76b2fd06808a90ffd73398bcb096585
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50df13614b9601694eb193004023f4e7a
SHA15931d277315a251cff7a0446c52202341f456d71
SHA256d8e9f6d02c2274747606936833b1e41aa7ea29f248119ef48362b15e6b2e5b78
SHA512efdfbb19f850429d434ecd7f37e5954e9908427edc6c3093a9225ad2b61e78256ba840e5da74154728795c767139d1a0173ae73c6275160e48384da73932939e
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Filesize
4.1MB
MD5750a1eda2b6bc78ba43853949fca2b03
SHA1b766c146a67d891a54c54cf145c4c24d8330e940
SHA256d8f51a68fb44f7cc9fe241e8c95b00c23440f8bd6d1a0969003b8aea1dbf6912
SHA51224f0b70f01ba1274bb0b6f0864dc2bdf103e4137982a4c61951780e82b4a76a73839b5d61a3e4db6def09ab35fb552675ef0769a2b864375ee68dd9396a7f44a
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec