Analysis
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max time kernel
149s -
max time network
154s -
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 23:48
Static task
static1
Behavioral task
behavioral1
Sample
abb0666b6a49868c630d5efe3fcc767e29d801ae08bca9875d3aded254746cf5.exe
Resource
win10v2004-20240508-en
General
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Target
abb0666b6a49868c630d5efe3fcc767e29d801ae08bca9875d3aded254746cf5.exe
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Size
4.1MB
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MD5
823ea9d3a2ea1ad164b30a9cd3147039
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SHA1
92099a2565b2e7629390bfd172966745bd5c95b2
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SHA256
abb0666b6a49868c630d5efe3fcc767e29d801ae08bca9875d3aded254746cf5
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SHA512
1130e05a48b5707a48301bc2c8bb1886aeb5b3e56d18d4cb3e9692ba0573364a09aa8028933aca05cdd5f23840cc3c56593b80c14f9102b4bc27bcab0d4759f8
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SSDEEP
98304:JqqJgO7W9SnF2QTYg7Hzo9TU2Df9e/pZ+O7BTR2yKUt:JqqJgO7W9SnJ3gf8jHXKa
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/3680-2-0x0000000004DF0000-0x00000000056DB000-memory.dmp family_glupteba behavioral2/memory/3680-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3680-53-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3680-54-0x0000000004DF0000-0x00000000056DB000-memory.dmp family_glupteba behavioral2/memory/3680-51-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/3708-111-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/3708-126-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/1484-199-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/1484-206-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/1484-216-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/1484-218-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/1484-220-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/1484-222-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/1484-224-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/1484-226-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/1484-228-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/1484-230-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/1484-232-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/1484-234-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1776 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1484 csrss.exe 4780 injector.exe 2404 windefender.exe 4272 windefender.exe -
resource yara_rule behavioral2/files/0x000500000002a9d0-209.dat upx behavioral2/memory/2404-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2404-215-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4272-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4272-217-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4272-221-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3433428765-2473475212-4279855560-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" abb0666b6a49868c630d5efe3fcc767e29d801ae08bca9875d3aded254746cf5.exe Set value (str) \REGISTRY\USER\S-1-5-21-3433428765-2473475212-4279855560-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File 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 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 abb0666b6a49868c630d5efe3fcc767e29d801ae08bca9875d3aded254746cf5.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe abb0666b6a49868c630d5efe3fcc767e29d801ae08bca9875d3aded254746cf5.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 abb0666b6a49868c630d5efe3fcc767e29d801ae08bca9875d3aded254746cf5.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 3680 sc.exe -
pid Process 5104 powershell.exe 2864 powershell.exe 2684 powershell.exe 3720 powershell.exe 1640 powershell.exe 2592 powershell.exe 3504 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 1844 schtasks.exe 1468 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" windefender.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,-242 = "Samoa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time" abb0666b6a49868c630d5efe3fcc767e29d801ae08bca9875d3aded254746cf5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time" abb0666b6a49868c630d5efe3fcc767e29d801ae08bca9875d3aded254746cf5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time" abb0666b6a49868c630d5efe3fcc767e29d801ae08bca9875d3aded254746cf5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-662 = "Cen. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-105 = "Central Brazilian 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\@tzres.dll,-122 = "SA Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time" abb0666b6a49868c630d5efe3fcc767e29d801ae08bca9875d3aded254746cf5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2591 = "Tocantins Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" abb0666b6a49868c630d5efe3fcc767e29d801ae08bca9875d3aded254746cf5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2511 = "Lord Howe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time" abb0666b6a49868c630d5efe3fcc767e29d801ae08bca9875d3aded254746cf5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" abb0666b6a49868c630d5efe3fcc767e29d801ae08bca9875d3aded254746cf5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time" abb0666b6a49868c630d5efe3fcc767e29d801ae08bca9875d3aded254746cf5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs 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,-364 = "Middle East Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time" abb0666b6a49868c630d5efe3fcc767e29d801ae08bca9875d3aded254746cf5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1872 = "Russia TZ 7 Standard Time" abb0666b6a49868c630d5efe3fcc767e29d801ae08bca9875d3aded254746cf5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1862 = "Russia TZ 6 Standard Time" abb0666b6a49868c630d5efe3fcc767e29d801ae08bca9875d3aded254746cf5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time" abb0666b6a49868c630d5efe3fcc767e29d801ae08bca9875d3aded254746cf5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2532 = "Chatham Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-42 = "E. South America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-272 = "Greenwich Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time" abb0666b6a49868c630d5efe3fcc767e29d801ae08bca9875d3aded254746cf5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-682 = "E. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1472 = "Magadan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-592 = "Malay Peninsula Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2141 = "Transbaikal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" abb0666b6a49868c630d5efe3fcc767e29d801ae08bca9875d3aded254746cf5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" abb0666b6a49868c630d5efe3fcc767e29d801ae08bca9875d3aded254746cf5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time" abb0666b6a49868c630d5efe3fcc767e29d801ae08bca9875d3aded254746cf5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" 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\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time" abb0666b6a49868c630d5efe3fcc767e29d801ae08bca9875d3aded254746cf5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time" abb0666b6a49868c630d5efe3fcc767e29d801ae08bca9875d3aded254746cf5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" abb0666b6a49868c630d5efe3fcc767e29d801ae08bca9875d3aded254746cf5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-281 = "Central Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2592 = "Tocantins Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time" abb0666b6a49868c630d5efe3fcc767e29d801ae08bca9875d3aded254746cf5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" abb0666b6a49868c630d5efe3fcc767e29d801ae08bca9875d3aded254746cf5.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" abb0666b6a49868c630d5efe3fcc767e29d801ae08bca9875d3aded254746cf5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1832 = "Russia TZ 2 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time" abb0666b6a49868c630d5efe3fcc767e29d801ae08bca9875d3aded254746cf5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time" abb0666b6a49868c630d5efe3fcc767e29d801ae08bca9875d3aded254746cf5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time" abb0666b6a49868c630d5efe3fcc767e29d801ae08bca9875d3aded254746cf5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2684 powershell.exe 2684 powershell.exe 3680 abb0666b6a49868c630d5efe3fcc767e29d801ae08bca9875d3aded254746cf5.exe 3680 abb0666b6a49868c630d5efe3fcc767e29d801ae08bca9875d3aded254746cf5.exe 3720 powershell.exe 3720 powershell.exe 3708 abb0666b6a49868c630d5efe3fcc767e29d801ae08bca9875d3aded254746cf5.exe 3708 abb0666b6a49868c630d5efe3fcc767e29d801ae08bca9875d3aded254746cf5.exe 3708 abb0666b6a49868c630d5efe3fcc767e29d801ae08bca9875d3aded254746cf5.exe 3708 abb0666b6a49868c630d5efe3fcc767e29d801ae08bca9875d3aded254746cf5.exe 3708 abb0666b6a49868c630d5efe3fcc767e29d801ae08bca9875d3aded254746cf5.exe 3708 abb0666b6a49868c630d5efe3fcc767e29d801ae08bca9875d3aded254746cf5.exe 3708 abb0666b6a49868c630d5efe3fcc767e29d801ae08bca9875d3aded254746cf5.exe 3708 abb0666b6a49868c630d5efe3fcc767e29d801ae08bca9875d3aded254746cf5.exe 3708 abb0666b6a49868c630d5efe3fcc767e29d801ae08bca9875d3aded254746cf5.exe 3708 abb0666b6a49868c630d5efe3fcc767e29d801ae08bca9875d3aded254746cf5.exe 1640 powershell.exe 1640 powershell.exe 2592 powershell.exe 2592 powershell.exe 3504 powershell.exe 3504 powershell.exe 5104 powershell.exe 5104 powershell.exe 2864 powershell.exe 2864 powershell.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 1484 csrss.exe 1484 csrss.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 1484 csrss.exe 1484 csrss.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 1484 csrss.exe 1484 csrss.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2684 powershell.exe Token: SeDebugPrivilege 3680 abb0666b6a49868c630d5efe3fcc767e29d801ae08bca9875d3aded254746cf5.exe Token: SeImpersonatePrivilege 3680 abb0666b6a49868c630d5efe3fcc767e29d801ae08bca9875d3aded254746cf5.exe Token: SeDebugPrivilege 3720 powershell.exe Token: SeDebugPrivilege 1640 powershell.exe Token: SeDebugPrivilege 2592 powershell.exe Token: SeDebugPrivilege 3504 powershell.exe Token: SeDebugPrivilege 5104 powershell.exe Token: SeDebugPrivilege 2864 powershell.exe Token: SeSystemEnvironmentPrivilege 1484 csrss.exe Token: SeSecurityPrivilege 3680 sc.exe Token: SeSecurityPrivilege 3680 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3680 wrote to memory of 2684 3680 abb0666b6a49868c630d5efe3fcc767e29d801ae08bca9875d3aded254746cf5.exe 82 PID 3680 wrote to memory of 2684 3680 abb0666b6a49868c630d5efe3fcc767e29d801ae08bca9875d3aded254746cf5.exe 82 PID 3680 wrote to memory of 2684 3680 abb0666b6a49868c630d5efe3fcc767e29d801ae08bca9875d3aded254746cf5.exe 82 PID 3708 wrote to memory of 3720 3708 abb0666b6a49868c630d5efe3fcc767e29d801ae08bca9875d3aded254746cf5.exe 88 PID 3708 wrote to memory of 3720 3708 abb0666b6a49868c630d5efe3fcc767e29d801ae08bca9875d3aded254746cf5.exe 88 PID 3708 wrote to memory of 3720 3708 abb0666b6a49868c630d5efe3fcc767e29d801ae08bca9875d3aded254746cf5.exe 88 PID 3708 wrote to memory of 4304 3708 abb0666b6a49868c630d5efe3fcc767e29d801ae08bca9875d3aded254746cf5.exe 91 PID 3708 wrote to memory of 4304 3708 abb0666b6a49868c630d5efe3fcc767e29d801ae08bca9875d3aded254746cf5.exe 91 PID 4304 wrote to memory of 1776 4304 cmd.exe 93 PID 4304 wrote to memory of 1776 4304 cmd.exe 93 PID 3708 wrote to memory of 1640 3708 abb0666b6a49868c630d5efe3fcc767e29d801ae08bca9875d3aded254746cf5.exe 94 PID 3708 wrote to memory of 1640 3708 abb0666b6a49868c630d5efe3fcc767e29d801ae08bca9875d3aded254746cf5.exe 94 PID 3708 wrote to memory of 1640 3708 abb0666b6a49868c630d5efe3fcc767e29d801ae08bca9875d3aded254746cf5.exe 94 PID 3708 wrote to memory of 2592 3708 abb0666b6a49868c630d5efe3fcc767e29d801ae08bca9875d3aded254746cf5.exe 96 PID 3708 wrote to memory of 2592 3708 abb0666b6a49868c630d5efe3fcc767e29d801ae08bca9875d3aded254746cf5.exe 96 PID 3708 wrote to memory of 2592 3708 abb0666b6a49868c630d5efe3fcc767e29d801ae08bca9875d3aded254746cf5.exe 96 PID 3708 wrote to memory of 1484 3708 abb0666b6a49868c630d5efe3fcc767e29d801ae08bca9875d3aded254746cf5.exe 98 PID 3708 wrote to memory of 1484 3708 abb0666b6a49868c630d5efe3fcc767e29d801ae08bca9875d3aded254746cf5.exe 98 PID 3708 wrote to memory of 1484 3708 abb0666b6a49868c630d5efe3fcc767e29d801ae08bca9875d3aded254746cf5.exe 98 PID 1484 wrote to memory of 3504 1484 csrss.exe 99 PID 1484 wrote to memory of 3504 1484 csrss.exe 99 PID 1484 wrote to memory of 3504 1484 csrss.exe 99 PID 1484 wrote to memory of 5104 1484 csrss.exe 104 PID 1484 wrote to memory of 5104 1484 csrss.exe 104 PID 1484 wrote to memory of 5104 1484 csrss.exe 104 PID 1484 wrote to memory of 2864 1484 csrss.exe 107 PID 1484 wrote to memory of 2864 1484 csrss.exe 107 PID 1484 wrote to memory of 2864 1484 csrss.exe 107 PID 1484 wrote to memory of 4780 1484 csrss.exe 109 PID 1484 wrote to memory of 4780 1484 csrss.exe 109 PID 2404 wrote to memory of 4492 2404 windefender.exe 119 PID 2404 wrote to memory of 4492 2404 windefender.exe 119 PID 2404 wrote to memory of 4492 2404 windefender.exe 119 PID 4492 wrote to memory of 3680 4492 cmd.exe 120 PID 4492 wrote to memory of 3680 4492 cmd.exe 120 PID 4492 wrote to memory of 3680 4492 cmd.exe 120 -
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\abb0666b6a49868c630d5efe3fcc767e29d801ae08bca9875d3aded254746cf5.exe"C:\Users\Admin\AppData\Local\Temp\abb0666b6a49868c630d5efe3fcc767e29d801ae08bca9875d3aded254746cf5.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3680 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2684
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C:\Users\Admin\AppData\Local\Temp\abb0666b6a49868c630d5efe3fcc767e29d801ae08bca9875d3aded254746cf5.exe"C:\Users\Admin\AppData\Local\Temp\abb0666b6a49868c630d5efe3fcc767e29d801ae08bca9875d3aded254746cf5.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:3708 -
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:3720
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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:4304 -
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:1776
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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:2592
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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:1484 -
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:3504
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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:1844
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3740
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5104
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2864
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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:4780
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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:1468
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2404 -
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:4492 -
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:3680
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4272
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
MD5bc4c6c530bedc7f6ec5f7d404456b37f
SHA1edacaf204b63f3127e30a54ad049c25145a1fbc2
SHA25627125782d2358aa16f829d8f8d3bd1ea5894165925256ba7e4546f7e9e1390a5
SHA512ad4ec6b84d250842483a7273311f51a4bbdb896c02637165891c8dd6ad0c2ea40203c8944c5168c988127cef0a7d7acf53762d10aeed7dfbfe22ca63a5987532
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51895b3f64f0fe6e50ce0602901ba873a
SHA116b30fd19b9d6ee74d018c0626042e835f970d8d
SHA256d4490133d381f9fdf198dca2d679de984964f7e9597c953922af62f0632b4a22
SHA5129955e68dac4e4f3147184c3535dc5d2ea7d6161f6a72906c35061e118db984234816312eb66806758e33e36574eecabd5b413420968d15478848d25326935fd2
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5fdf6167cc56fb0ebb13f1c56623cc636
SHA1745de2a83b03c85890cb2d9c4514b5fabb29f707
SHA256d67ca9f71ab5e3b36503c411e2e7e6a754f47509939527a7085a724c65bb1932
SHA512fc239f7fe954972fbbb1f8fce73344f44ec268d4cae7b72b22e041b4eccf7cacfe6baa3eb771800d764b456feba5449d12c39257be64daa772ff8b9eddd5dd9c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD505964eba6ba1d05eaf88c77a76777cc1
SHA13d7c57e3ded25d349a18bf6b7723bf6917e12e34
SHA2565d4e8154a9f011a455fd341e64a5d4c2017a6584ac8fc7773e20cda8fc2f6c62
SHA51266a5d382c58d585731172a4405ccab5a152a35cb1eafaa091f37ebdc09320235793cb995752623c929a75030e5862530a97a458b8f9fbb85ddeb5299ead44133
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD518d5b177332f03c4342455bb002149a5
SHA1b15f2daadfb41ebed8e545f96430a4b687d5111c
SHA2566a0c2adaa4d91f74b0ed6279ff48cd5d30371701de5aa940f5d9997a9fdba9bd
SHA5122b8fc383ead42641e0be08b5d12aae7b708f4b44e4d7d1197d2ce312ef38781c21f3e92908f17ff6887c5f596e46dafbf3bd1af0209bda7827848467cd47189c
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Filesize
4.1MB
MD5823ea9d3a2ea1ad164b30a9cd3147039
SHA192099a2565b2e7629390bfd172966745bd5c95b2
SHA256abb0666b6a49868c630d5efe3fcc767e29d801ae08bca9875d3aded254746cf5
SHA5121130e05a48b5707a48301bc2c8bb1886aeb5b3e56d18d4cb3e9692ba0573364a09aa8028933aca05cdd5f23840cc3c56593b80c14f9102b4bc27bcab0d4759f8
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec