Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
18-05-2024 07:34
Static task
static1
Behavioral task
behavioral1
Sample
abda5ced1b35fe8b937fbbb724dde45f08c516379e9adb96e44deab1cc3d4268.exe
Resource
win7-20240221-en
General
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Target
abda5ced1b35fe8b937fbbb724dde45f08c516379e9adb96e44deab1cc3d4268.exe
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Size
4.1MB
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MD5
e238ca82d68aca32df15d1af19b02f9f
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SHA1
16588d1bf80aad29871e423b0892520488df939c
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SHA256
abda5ced1b35fe8b937fbbb724dde45f08c516379e9adb96e44deab1cc3d4268
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SHA512
c78f82ee975d934ddbf7188732a8bd564f45917c7de23972c8811076cf23659156b9d7312b50931d3626e516d14a38f469919d03544d501225355f7dd40acdef
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SSDEEP
98304:ExfL9oyIkrku4AJMBJNRxIbk0RddEjk9Pc8cg301s2mGv8:yRrVrv4XbNRWhj2o9k8f3CspGv8
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/1792-2-0x0000000004C30000-0x000000000551B000-memory.dmp family_glupteba behavioral2/memory/1792-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1792-55-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1792-56-0x0000000004C30000-0x000000000551B000-memory.dmp family_glupteba behavioral2/memory/1792-54-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3512-134-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3708-214-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3708-229-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3708-230-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3708-232-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3708-235-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3708-237-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3708-238-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3708-240-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3708-243-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3708-245-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3708-246-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3708-248-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3708-251-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 952 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3708 csrss.exe 4328 injector.exe 5004 windefender.exe 1872 windefender.exe -
resource yara_rule behavioral2/files/0x0008000000023428-222.dat upx behavioral2/memory/5004-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1872-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/5004-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1872-231-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1872-234-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" abda5ced1b35fe8b937fbbb724dde45f08c516379e9adb96e44deab1cc3d4268.exe Set value (str) \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\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 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 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 abda5ced1b35fe8b937fbbb724dde45f08c516379e9adb96e44deab1cc3d4268.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe abda5ced1b35fe8b937fbbb724dde45f08c516379e9adb96e44deab1cc3d4268.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 abda5ced1b35fe8b937fbbb724dde45f08c516379e9adb96e44deab1cc3d4268.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 4804 sc.exe -
pid Process 2196 powershell.exe 2772 powershell.exe 4680 powershell.exe 3088 powershell.exe 3076 powershell.exe 2908 powershell.exe 4996 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 1924 schtasks.exe 4384 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\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" abda5ced1b35fe8b937fbbb724dde45f08c516379e9adb96e44deab1cc3d4268.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-891 = "Morocco Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time" abda5ced1b35fe8b937fbbb724dde45f08c516379e9adb96e44deab1cc3d4268.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates 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,-231 = "Hawaiian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2942 = "Sao Tome Standard Time" windefender.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,-2062 = "North Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" abda5ced1b35fe8b937fbbb724dde45f08c516379e9adb96e44deab1cc3d4268.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" abda5ced1b35fe8b937fbbb724dde45f08c516379e9adb96e44deab1cc3d4268.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time" abda5ced1b35fe8b937fbbb724dde45f08c516379e9adb96e44deab1cc3d4268.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time" abda5ced1b35fe8b937fbbb724dde45f08c516379e9adb96e44deab1cc3d4268.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2161 = "Altai Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-385 = "Namibia Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople 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\2a\52C64B7E\@tzres.dll,-292 = "Central European Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2512 = "Lord Howe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2791 = "Novosibirsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-121 = "SA Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" abda5ced1b35fe8b937fbbb724dde45f08c516379e9adb96e44deab1cc3d4268.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time" abda5ced1b35fe8b937fbbb724dde45f08c516379e9adb96e44deab1cc3d4268.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" abda5ced1b35fe8b937fbbb724dde45f08c516379e9adb96e44deab1cc3d4268.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-502 = "Nepal Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2492 = "Aus Central W. Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time" abda5ced1b35fe8b937fbbb724dde45f08c516379e9adb96e44deab1cc3d4268.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time" abda5ced1b35fe8b937fbbb724dde45f08c516379e9adb96e44deab1cc3d4268.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time" abda5ced1b35fe8b937fbbb724dde45f08c516379e9adb96e44deab1cc3d4268.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-432 = "Iran 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 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time" abda5ced1b35fe8b937fbbb724dde45f08c516379e9adb96e44deab1cc3d4268.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time" abda5ced1b35fe8b937fbbb724dde45f08c516379e9adb96e44deab1cc3d4268.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-391 = "Arab Daylight 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\@tzres.dll,-982 = "Kamchatka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-652 = "AUS Central Standard Time" abda5ced1b35fe8b937fbbb724dde45f08c516379e9adb96e44deab1cc3d4268.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" abda5ced1b35fe8b937fbbb724dde45f08c516379e9adb96e44deab1cc3d4268.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" abda5ced1b35fe8b937fbbb724dde45f08c516379e9adb96e44deab1cc3d4268.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2841 = "Saratov Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2371 = "Easter Island Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3076 powershell.exe 3076 powershell.exe 1792 abda5ced1b35fe8b937fbbb724dde45f08c516379e9adb96e44deab1cc3d4268.exe 1792 abda5ced1b35fe8b937fbbb724dde45f08c516379e9adb96e44deab1cc3d4268.exe 2908 powershell.exe 2908 powershell.exe 3512 abda5ced1b35fe8b937fbbb724dde45f08c516379e9adb96e44deab1cc3d4268.exe 3512 abda5ced1b35fe8b937fbbb724dde45f08c516379e9adb96e44deab1cc3d4268.exe 3512 abda5ced1b35fe8b937fbbb724dde45f08c516379e9adb96e44deab1cc3d4268.exe 3512 abda5ced1b35fe8b937fbbb724dde45f08c516379e9adb96e44deab1cc3d4268.exe 3512 abda5ced1b35fe8b937fbbb724dde45f08c516379e9adb96e44deab1cc3d4268.exe 3512 abda5ced1b35fe8b937fbbb724dde45f08c516379e9adb96e44deab1cc3d4268.exe 3512 abda5ced1b35fe8b937fbbb724dde45f08c516379e9adb96e44deab1cc3d4268.exe 3512 abda5ced1b35fe8b937fbbb724dde45f08c516379e9adb96e44deab1cc3d4268.exe 3512 abda5ced1b35fe8b937fbbb724dde45f08c516379e9adb96e44deab1cc3d4268.exe 3512 abda5ced1b35fe8b937fbbb724dde45f08c516379e9adb96e44deab1cc3d4268.exe 4996 powershell.exe 4996 powershell.exe 2196 powershell.exe 2196 powershell.exe 2772 powershell.exe 2772 powershell.exe 4680 powershell.exe 4680 powershell.exe 3088 powershell.exe 3088 powershell.exe 4328 injector.exe 4328 injector.exe 4328 injector.exe 4328 injector.exe 4328 injector.exe 4328 injector.exe 3708 csrss.exe 3708 csrss.exe 4328 injector.exe 4328 injector.exe 4328 injector.exe 4328 injector.exe 4328 injector.exe 4328 injector.exe 3708 csrss.exe 3708 csrss.exe 4328 injector.exe 4328 injector.exe 3708 csrss.exe 3708 csrss.exe 4328 injector.exe 4328 injector.exe 4328 injector.exe 4328 injector.exe 4328 injector.exe 4328 injector.exe 4328 injector.exe 4328 injector.exe 4328 injector.exe 4328 injector.exe 4328 injector.exe 4328 injector.exe 4328 injector.exe 4328 injector.exe 4328 injector.exe 4328 injector.exe 4328 injector.exe 4328 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3076 powershell.exe Token: SeDebugPrivilege 1792 abda5ced1b35fe8b937fbbb724dde45f08c516379e9adb96e44deab1cc3d4268.exe Token: SeImpersonatePrivilege 1792 abda5ced1b35fe8b937fbbb724dde45f08c516379e9adb96e44deab1cc3d4268.exe Token: SeDebugPrivilege 2908 powershell.exe Token: SeDebugPrivilege 4996 powershell.exe Token: SeDebugPrivilege 2196 powershell.exe Token: SeDebugPrivilege 2772 powershell.exe Token: SeDebugPrivilege 4680 powershell.exe Token: SeDebugPrivilege 3088 powershell.exe Token: SeSystemEnvironmentPrivilege 3708 csrss.exe Token: SeSecurityPrivilege 4804 sc.exe Token: SeSecurityPrivilege 4804 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1792 wrote to memory of 3076 1792 abda5ced1b35fe8b937fbbb724dde45f08c516379e9adb96e44deab1cc3d4268.exe 85 PID 1792 wrote to memory of 3076 1792 abda5ced1b35fe8b937fbbb724dde45f08c516379e9adb96e44deab1cc3d4268.exe 85 PID 1792 wrote to memory of 3076 1792 abda5ced1b35fe8b937fbbb724dde45f08c516379e9adb96e44deab1cc3d4268.exe 85 PID 3512 wrote to memory of 2908 3512 abda5ced1b35fe8b937fbbb724dde45f08c516379e9adb96e44deab1cc3d4268.exe 97 PID 3512 wrote to memory of 2908 3512 abda5ced1b35fe8b937fbbb724dde45f08c516379e9adb96e44deab1cc3d4268.exe 97 PID 3512 wrote to memory of 2908 3512 abda5ced1b35fe8b937fbbb724dde45f08c516379e9adb96e44deab1cc3d4268.exe 97 PID 3512 wrote to memory of 4372 3512 abda5ced1b35fe8b937fbbb724dde45f08c516379e9adb96e44deab1cc3d4268.exe 101 PID 3512 wrote to memory of 4372 3512 abda5ced1b35fe8b937fbbb724dde45f08c516379e9adb96e44deab1cc3d4268.exe 101 PID 4372 wrote to memory of 952 4372 cmd.exe 103 PID 4372 wrote to memory of 952 4372 cmd.exe 103 PID 3512 wrote to memory of 4996 3512 abda5ced1b35fe8b937fbbb724dde45f08c516379e9adb96e44deab1cc3d4268.exe 104 PID 3512 wrote to memory of 4996 3512 abda5ced1b35fe8b937fbbb724dde45f08c516379e9adb96e44deab1cc3d4268.exe 104 PID 3512 wrote to memory of 4996 3512 abda5ced1b35fe8b937fbbb724dde45f08c516379e9adb96e44deab1cc3d4268.exe 104 PID 3512 wrote to memory of 2196 3512 abda5ced1b35fe8b937fbbb724dde45f08c516379e9adb96e44deab1cc3d4268.exe 107 PID 3512 wrote to memory of 2196 3512 abda5ced1b35fe8b937fbbb724dde45f08c516379e9adb96e44deab1cc3d4268.exe 107 PID 3512 wrote to memory of 2196 3512 abda5ced1b35fe8b937fbbb724dde45f08c516379e9adb96e44deab1cc3d4268.exe 107 PID 3512 wrote to memory of 3708 3512 abda5ced1b35fe8b937fbbb724dde45f08c516379e9adb96e44deab1cc3d4268.exe 109 PID 3512 wrote to memory of 3708 3512 abda5ced1b35fe8b937fbbb724dde45f08c516379e9adb96e44deab1cc3d4268.exe 109 PID 3512 wrote to memory of 3708 3512 abda5ced1b35fe8b937fbbb724dde45f08c516379e9adb96e44deab1cc3d4268.exe 109 PID 3708 wrote to memory of 2772 3708 csrss.exe 110 PID 3708 wrote to memory of 2772 3708 csrss.exe 110 PID 3708 wrote to memory of 2772 3708 csrss.exe 110 PID 3708 wrote to memory of 4680 3708 csrss.exe 115 PID 3708 wrote to memory of 4680 3708 csrss.exe 115 PID 3708 wrote to memory of 4680 3708 csrss.exe 115 PID 3708 wrote to memory of 3088 3708 csrss.exe 118 PID 3708 wrote to memory of 3088 3708 csrss.exe 118 PID 3708 wrote to memory of 3088 3708 csrss.exe 118 PID 3708 wrote to memory of 4328 3708 csrss.exe 120 PID 3708 wrote to memory of 4328 3708 csrss.exe 120 PID 5004 wrote to memory of 3116 5004 windefender.exe 127 PID 5004 wrote to memory of 3116 5004 windefender.exe 127 PID 5004 wrote to memory of 3116 5004 windefender.exe 127 PID 3116 wrote to memory of 4804 3116 cmd.exe 128 PID 3116 wrote to memory of 4804 3116 cmd.exe 128 PID 3116 wrote to memory of 4804 3116 cmd.exe 128 -
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\abda5ced1b35fe8b937fbbb724dde45f08c516379e9adb96e44deab1cc3d4268.exe"C:\Users\Admin\AppData\Local\Temp\abda5ced1b35fe8b937fbbb724dde45f08c516379e9adb96e44deab1cc3d4268.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1792 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3076
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C:\Users\Admin\AppData\Local\Temp\abda5ced1b35fe8b937fbbb724dde45f08c516379e9adb96e44deab1cc3d4268.exe"C:\Users\Admin\AppData\Local\Temp\abda5ced1b35fe8b937fbbb724dde45f08c516379e9adb96e44deab1cc3d4268.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:3512 -
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:2908
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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:4372 -
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:952
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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:4996
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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:2196
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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:3708 -
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:2772
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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:1924
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1332
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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:4680
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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:3088
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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:4328
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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:4384
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:5004 -
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:3116 -
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:4804
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1872
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
MD55bc6e703a821f8b31a6158a92c598659
SHA106e304b96be857183332f3eda572e35a7568c895
SHA2564381b7a610312cb15268947cc735e105556f57800ee923a5b1d93db00131d247
SHA51276475d950f35170c8e04f023dc50df98ea8541f56d2108c7d1d5aee8d47bdd649fbc5151772846989f9f5e5774c148f775aaa77c5b6fb15c0dbb514916554fd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58420214da6bec3d143152cf10bc49f30
SHA1bd9db4dc83e987d30b937fa5f2eea9ebfd59697e
SHA256276e460351d0d1233dbf008e03782dce6c28d3f1b074bdc3b71a00913ca376d8
SHA51225d9518507720c5def5ecf0683a9ad6c04cdbe502784d61130d8271ec2ad9a6c4010aec69ce7fb3680ec70f4a3c56dcd7c627c4d4762e6cb9aade561a2af95ac
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b4e0dd5823a4438282ee5a05871f77e7
SHA1e145ae825757c81ad6c541ca9c1cd8ecf0cccf20
SHA2568436c71a3d3136b86ce1724630586821f1dac71c201bc74a1f72daf86631c462
SHA512bc9f115c649d133eb2c6c9cd1a14823a66d4f6862756fc89531991ffc38a6c1bb1d18ac25a6d76af2779071ff1fc6497ccdf3b8a8c846eebc068c3e0f66251b0
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d51df5aa8353c60652759fcc5799e5a0
SHA1cbb442a70beb0ac204e6ec77209502e3fa8c3a3c
SHA2569075425076a6b565fd80d069950d220afda3a629cb36c3df824003572c1b0d84
SHA512fed06073edfde9afb15ab317ec057b16b5bd295448907d4d419be068cd2088bf21b0b9ab67b75b168c1ab406a321d8c61bd908688d847a92f15110b7f2844c62
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD596bd2c58f3479dcc877c3d0354071b9c
SHA19664c9516ec2032c16cd6b97bf34c3a009c3ea4d
SHA256380c46b9b69650837ba4a2807929238116fc7c9befab8a42df115999218f1d96
SHA512c28baa1e239abd94393b439de21158c51c495db81d304f95ba9d70aba633d647b1915b91733cd7d0cc734fe7585c8028772373a503b696895141d8d0ce0ccc42
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Filesize
4.1MB
MD5e238ca82d68aca32df15d1af19b02f9f
SHA116588d1bf80aad29871e423b0892520488df939c
SHA256abda5ced1b35fe8b937fbbb724dde45f08c516379e9adb96e44deab1cc3d4268
SHA512c78f82ee975d934ddbf7188732a8bd564f45917c7de23972c8811076cf23659156b9d7312b50931d3626e516d14a38f469919d03544d501225355f7dd40acdef
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec