Analysis
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max time kernel
150s -
max time network
127s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
17-05-2024 13:04
Static task
static1
Behavioral task
behavioral1
Sample
b2b572a9f0b0d9a7e1ee8afb6cfbbe8e9814a74dba2c8d81fea35a28ebe97450.exe
Resource
win10v2004-20240508-en
General
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Target
b2b572a9f0b0d9a7e1ee8afb6cfbbe8e9814a74dba2c8d81fea35a28ebe97450.exe
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Size
4.1MB
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MD5
f61920d557fd6487a9a7ee0b5b772b63
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SHA1
338db365ab279d1e2fbdd339183f6a92ef09196b
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SHA256
b2b572a9f0b0d9a7e1ee8afb6cfbbe8e9814a74dba2c8d81fea35a28ebe97450
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SHA512
bdeaebb36d1aaf959c74c65f12eadf630c4bff2a477d839d6f4f0ec04d53da272efd1bccc950591881d952e130b8fcad693ea1040f656034544c0ec924827804
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SSDEEP
98304:PhzlfCz+ccJ0CpUiRHjJlGcG1klIkRd3fLKEvn:5z9CiccJ0CpfGcGG1DfLt
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral1/memory/4828-2-0x0000000004C30000-0x000000000551B000-memory.dmp family_glupteba behavioral1/memory/4828-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4828-4-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4828-58-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4828-59-0x0000000004C30000-0x000000000551B000-memory.dmp family_glupteba behavioral1/memory/4828-60-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/228-85-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/228-137-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/2632-162-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/2632-221-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/2632-223-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/2632-225-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/2632-226-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/2632-228-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/2632-231-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/2632-233-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/2632-234-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/2632-236-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1640 netsh.exe -
Executes dropped EXE 2 IoCs
pid Process 2632 csrss.exe 1424 injector.exe -
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\"" b2b572a9f0b0d9a7e1ee8afb6cfbbe8e9814a74dba2c8d81fea35a28ebe97450.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 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 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 -
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 b2b572a9f0b0d9a7e1ee8afb6cfbbe8e9814a74dba2c8d81fea35a28ebe97450.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\rss b2b572a9f0b0d9a7e1ee8afb6cfbbe8e9814a74dba2c8d81fea35a28ebe97450.exe File created C:\Windows\rss\csrss.exe b2b572a9f0b0d9a7e1ee8afb6cfbbe8e9814a74dba2c8d81fea35a28ebe97450.exe -
pid Process 672 powershell.exe 224 powershell.exe 3092 powershell.exe 4600 powershell.exe 4796 powershell.exe 2276 powershell.exe 4056 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 868 schtasks.exe 672 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,-681 = "E. Australia Daylight Time" b2b572a9f0b0d9a7e1ee8afb6cfbbe8e9814a74dba2c8d81fea35a28ebe97450.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" b2b572a9f0b0d9a7e1ee8afb6cfbbe8e9814a74dba2c8d81fea35a28ebe97450.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs 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\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time" b2b572a9f0b0d9a7e1ee8afb6cfbbe8e9814a74dba2c8d81fea35a28ebe97450.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time" b2b572a9f0b0d9a7e1ee8afb6cfbbe8e9814a74dba2c8d81fea35a28ebe97450.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time" b2b572a9f0b0d9a7e1ee8afb6cfbbe8e9814a74dba2c8d81fea35a28ebe97450.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs 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\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" b2b572a9f0b0d9a7e1ee8afb6cfbbe8e9814a74dba2c8d81fea35a28ebe97450.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time" b2b572a9f0b0d9a7e1ee8afb6cfbbe8e9814a74dba2c8d81fea35a28ebe97450.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time" b2b572a9f0b0d9a7e1ee8afb6cfbbe8e9814a74dba2c8d81fea35a28ebe97450.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" b2b572a9f0b0d9a7e1ee8afb6cfbbe8e9814a74dba2c8d81fea35a28ebe97450.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" b2b572a9f0b0d9a7e1ee8afb6cfbbe8e9814a74dba2c8d81fea35a28ebe97450.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time" b2b572a9f0b0d9a7e1ee8afb6cfbbe8e9814a74dba2c8d81fea35a28ebe97450.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time" b2b572a9f0b0d9a7e1ee8afb6cfbbe8e9814a74dba2c8d81fea35a28ebe97450.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time" b2b572a9f0b0d9a7e1ee8afb6cfbbe8e9814a74dba2c8d81fea35a28ebe97450.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time" b2b572a9f0b0d9a7e1ee8afb6cfbbe8e9814a74dba2c8d81fea35a28ebe97450.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time" b2b572a9f0b0d9a7e1ee8afb6cfbbe8e9814a74dba2c8d81fea35a28ebe97450.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" b2b572a9f0b0d9a7e1ee8afb6cfbbe8e9814a74dba2c8d81fea35a28ebe97450.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,-392 = "Arab Standard Time" b2b572a9f0b0d9a7e1ee8afb6cfbbe8e9814a74dba2c8d81fea35a28ebe97450.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" b2b572a9f0b0d9a7e1ee8afb6cfbbe8e9814a74dba2c8d81fea35a28ebe97450.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time" b2b572a9f0b0d9a7e1ee8afb6cfbbe8e9814a74dba2c8d81fea35a28ebe97450.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time" b2b572a9f0b0d9a7e1ee8afb6cfbbe8e9814a74dba2c8d81fea35a28ebe97450.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" b2b572a9f0b0d9a7e1ee8afb6cfbbe8e9814a74dba2c8d81fea35a28ebe97450.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root 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,-511 = "Central Asia Daylight Time" b2b572a9f0b0d9a7e1ee8afb6cfbbe8e9814a74dba2c8d81fea35a28ebe97450.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time" b2b572a9f0b0d9a7e1ee8afb6cfbbe8e9814a74dba2c8d81fea35a28ebe97450.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time" b2b572a9f0b0d9a7e1ee8afb6cfbbe8e9814a74dba2c8d81fea35a28ebe97450.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time" b2b572a9f0b0d9a7e1ee8afb6cfbbe8e9814a74dba2c8d81fea35a28ebe97450.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time" b2b572a9f0b0d9a7e1ee8afb6cfbbe8e9814a74dba2c8d81fea35a28ebe97450.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time" b2b572a9f0b0d9a7e1ee8afb6cfbbe8e9814a74dba2c8d81fea35a28ebe97450.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time" b2b572a9f0b0d9a7e1ee8afb6cfbbe8e9814a74dba2c8d81fea35a28ebe97450.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" b2b572a9f0b0d9a7e1ee8afb6cfbbe8e9814a74dba2c8d81fea35a28ebe97450.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" b2b572a9f0b0d9a7e1ee8afb6cfbbe8e9814a74dba2c8d81fea35a28ebe97450.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time" b2b572a9f0b0d9a7e1ee8afb6cfbbe8e9814a74dba2c8d81fea35a28ebe97450.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" b2b572a9f0b0d9a7e1ee8afb6cfbbe8e9814a74dba2c8d81fea35a28ebe97450.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time" b2b572a9f0b0d9a7e1ee8afb6cfbbe8e9814a74dba2c8d81fea35a28ebe97450.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time" b2b572a9f0b0d9a7e1ee8afb6cfbbe8e9814a74dba2c8d81fea35a28ebe97450.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4796 powershell.exe 4796 powershell.exe 4828 b2b572a9f0b0d9a7e1ee8afb6cfbbe8e9814a74dba2c8d81fea35a28ebe97450.exe 4828 b2b572a9f0b0d9a7e1ee8afb6cfbbe8e9814a74dba2c8d81fea35a28ebe97450.exe 2276 powershell.exe 2276 powershell.exe 228 b2b572a9f0b0d9a7e1ee8afb6cfbbe8e9814a74dba2c8d81fea35a28ebe97450.exe 228 b2b572a9f0b0d9a7e1ee8afb6cfbbe8e9814a74dba2c8d81fea35a28ebe97450.exe 228 b2b572a9f0b0d9a7e1ee8afb6cfbbe8e9814a74dba2c8d81fea35a28ebe97450.exe 228 b2b572a9f0b0d9a7e1ee8afb6cfbbe8e9814a74dba2c8d81fea35a28ebe97450.exe 228 b2b572a9f0b0d9a7e1ee8afb6cfbbe8e9814a74dba2c8d81fea35a28ebe97450.exe 228 b2b572a9f0b0d9a7e1ee8afb6cfbbe8e9814a74dba2c8d81fea35a28ebe97450.exe 228 b2b572a9f0b0d9a7e1ee8afb6cfbbe8e9814a74dba2c8d81fea35a28ebe97450.exe 228 b2b572a9f0b0d9a7e1ee8afb6cfbbe8e9814a74dba2c8d81fea35a28ebe97450.exe 228 b2b572a9f0b0d9a7e1ee8afb6cfbbe8e9814a74dba2c8d81fea35a28ebe97450.exe 228 b2b572a9f0b0d9a7e1ee8afb6cfbbe8e9814a74dba2c8d81fea35a28ebe97450.exe 4056 powershell.exe 4056 powershell.exe 672 powershell.exe 672 powershell.exe 224 powershell.exe 224 powershell.exe 3092 powershell.exe 3092 powershell.exe 4600 powershell.exe 4600 powershell.exe 1424 injector.exe 1424 injector.exe 1424 injector.exe 1424 injector.exe 1424 injector.exe 1424 injector.exe 2632 csrss.exe 2632 csrss.exe 1424 injector.exe 1424 injector.exe 1424 injector.exe 1424 injector.exe 1424 injector.exe 1424 injector.exe 2632 csrss.exe 2632 csrss.exe 1424 injector.exe 1424 injector.exe 1424 injector.exe 1424 injector.exe 1424 injector.exe 1424 injector.exe 1424 injector.exe 1424 injector.exe 1424 injector.exe 1424 injector.exe 1424 injector.exe 1424 injector.exe 1424 injector.exe 1424 injector.exe 1424 injector.exe 1424 injector.exe 1424 injector.exe 1424 injector.exe 1424 injector.exe 1424 injector.exe 1424 injector.exe 1424 injector.exe -
Suspicious use of AdjustPrivilegeToken 10 IoCs
description pid Process Token: SeDebugPrivilege 4796 powershell.exe Token: SeDebugPrivilege 4828 b2b572a9f0b0d9a7e1ee8afb6cfbbe8e9814a74dba2c8d81fea35a28ebe97450.exe Token: SeImpersonatePrivilege 4828 b2b572a9f0b0d9a7e1ee8afb6cfbbe8e9814a74dba2c8d81fea35a28ebe97450.exe Token: SeDebugPrivilege 2276 powershell.exe Token: SeDebugPrivilege 4056 powershell.exe Token: SeDebugPrivilege 672 powershell.exe Token: SeDebugPrivilege 224 powershell.exe Token: SeDebugPrivilege 3092 powershell.exe Token: SeDebugPrivilege 4600 powershell.exe Token: SeSystemEnvironmentPrivilege 2632 csrss.exe -
Suspicious use of WriteProcessMemory 30 IoCs
description pid Process procid_target PID 4828 wrote to memory of 4796 4828 b2b572a9f0b0d9a7e1ee8afb6cfbbe8e9814a74dba2c8d81fea35a28ebe97450.exe 96 PID 4828 wrote to memory of 4796 4828 b2b572a9f0b0d9a7e1ee8afb6cfbbe8e9814a74dba2c8d81fea35a28ebe97450.exe 96 PID 4828 wrote to memory of 4796 4828 b2b572a9f0b0d9a7e1ee8afb6cfbbe8e9814a74dba2c8d81fea35a28ebe97450.exe 96 PID 228 wrote to memory of 2276 228 b2b572a9f0b0d9a7e1ee8afb6cfbbe8e9814a74dba2c8d81fea35a28ebe97450.exe 101 PID 228 wrote to memory of 2276 228 b2b572a9f0b0d9a7e1ee8afb6cfbbe8e9814a74dba2c8d81fea35a28ebe97450.exe 101 PID 228 wrote to memory of 2276 228 b2b572a9f0b0d9a7e1ee8afb6cfbbe8e9814a74dba2c8d81fea35a28ebe97450.exe 101 PID 228 wrote to memory of 2856 228 b2b572a9f0b0d9a7e1ee8afb6cfbbe8e9814a74dba2c8d81fea35a28ebe97450.exe 104 PID 228 wrote to memory of 2856 228 b2b572a9f0b0d9a7e1ee8afb6cfbbe8e9814a74dba2c8d81fea35a28ebe97450.exe 104 PID 2856 wrote to memory of 1640 2856 cmd.exe 106 PID 2856 wrote to memory of 1640 2856 cmd.exe 106 PID 228 wrote to memory of 4056 228 b2b572a9f0b0d9a7e1ee8afb6cfbbe8e9814a74dba2c8d81fea35a28ebe97450.exe 108 PID 228 wrote to memory of 4056 228 b2b572a9f0b0d9a7e1ee8afb6cfbbe8e9814a74dba2c8d81fea35a28ebe97450.exe 108 PID 228 wrote to memory of 4056 228 b2b572a9f0b0d9a7e1ee8afb6cfbbe8e9814a74dba2c8d81fea35a28ebe97450.exe 108 PID 228 wrote to memory of 672 228 b2b572a9f0b0d9a7e1ee8afb6cfbbe8e9814a74dba2c8d81fea35a28ebe97450.exe 110 PID 228 wrote to memory of 672 228 b2b572a9f0b0d9a7e1ee8afb6cfbbe8e9814a74dba2c8d81fea35a28ebe97450.exe 110 PID 228 wrote to memory of 672 228 b2b572a9f0b0d9a7e1ee8afb6cfbbe8e9814a74dba2c8d81fea35a28ebe97450.exe 110 PID 228 wrote to memory of 2632 228 b2b572a9f0b0d9a7e1ee8afb6cfbbe8e9814a74dba2c8d81fea35a28ebe97450.exe 112 PID 228 wrote to memory of 2632 228 b2b572a9f0b0d9a7e1ee8afb6cfbbe8e9814a74dba2c8d81fea35a28ebe97450.exe 112 PID 228 wrote to memory of 2632 228 b2b572a9f0b0d9a7e1ee8afb6cfbbe8e9814a74dba2c8d81fea35a28ebe97450.exe 112 PID 2632 wrote to memory of 224 2632 csrss.exe 113 PID 2632 wrote to memory of 224 2632 csrss.exe 113 PID 2632 wrote to memory of 224 2632 csrss.exe 113 PID 2632 wrote to memory of 3092 2632 csrss.exe 118 PID 2632 wrote to memory of 3092 2632 csrss.exe 118 PID 2632 wrote to memory of 3092 2632 csrss.exe 118 PID 2632 wrote to memory of 4600 2632 csrss.exe 121 PID 2632 wrote to memory of 4600 2632 csrss.exe 121 PID 2632 wrote to memory of 4600 2632 csrss.exe 121 PID 2632 wrote to memory of 1424 2632 csrss.exe 123 PID 2632 wrote to memory of 1424 2632 csrss.exe 123 -
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\b2b572a9f0b0d9a7e1ee8afb6cfbbe8e9814a74dba2c8d81fea35a28ebe97450.exe"C:\Users\Admin\AppData\Local\Temp\b2b572a9f0b0d9a7e1ee8afb6cfbbe8e9814a74dba2c8d81fea35a28ebe97450.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4828 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4796
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C:\Users\Admin\AppData\Local\Temp\b2b572a9f0b0d9a7e1ee8afb6cfbbe8e9814a74dba2c8d81fea35a28ebe97450.exe"C:\Users\Admin\AppData\Local\Temp\b2b572a9f0b0d9a7e1ee8afb6cfbbe8e9814a74dba2c8d81fea35a28ebe97450.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:228 -
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:2276
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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:2856 -
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: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:4056
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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:672
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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.
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2632 -
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:224
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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:868
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3752
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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:3092
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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:4600
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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:1424
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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:672
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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
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e615eac57d6c07e9d0dd22ca6243ea9d
SHA134417af9a0ac88832f6027da4009713ed2e473c6
SHA25686512450b8a39158f3de32a28799d748676dc622ea2800bca7e38b8457994ac4
SHA51279d58ecf5f32b0c8574435c6ef5145c2d9f0f8e583cc98d0323e2b3d32aebc09e8bb2c348281dead52b60f17924afea73cd0409595622bed48b66e462725044c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e7e3bf7ce0817a68a9df83e5e01dc45d
SHA1a293ea78315d8a61a515f416439b4803921ff1d0
SHA256a4a68d3ab97a40a419dcb9516d567dd01c4e1ec5c4f723844e1e75b951a50414
SHA5126e2eb993e4c0a8f0425eff70fa247d5076b7a951a0ca2906d1c680dc1dda80bd7fcc20cc38b1a684056daf25099b29a96602afb039399bae40296d9d5a6f7ea2
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f2c9638e87fa5ff954612736e3341588
SHA1c0d71fc15f2d68de822b8881bcfd03b42adf56fa
SHA256cdbaf54d32b9d6273c042d9021e3c57600f176b33ba3168fae2dc220fd819b77
SHA512dd65f2127fcf467a79edd6887c5928daabab8d6d13d6155dee5e2eb9eb9b8b843c6e62d5e31ecf20f366ef968a4b48f19264d3eae4fc84c892bc94b4b60ebab2
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55703cc68ab95a8208d2ed9545f617e1e
SHA1943bb522cada4e68e952bee96612609df4530d2e
SHA2569384dcceb0465dc83ca06dc454f221609cfe14ff68c13e4bd8d94a8c4eff5947
SHA512a08560ed099486bbefb62fe215a7ac8733e4efac9f0ebe490b06cb1f41a97f3579f99ea32980d4d158148a7f4f11a4d581622a1638bbd1bb848b573230ce258b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50dacff5f279bbee359c35f9164afa7b4
SHA1ccea8e96b06c8348ca834c21f62b9dd0fd44a9eb
SHA256914fe12d400db4a515c41ecd558c4a13e16e60e985684a30666a44a00b277660
SHA5129a1906916e9340bd129418643d1e3ad1abfc6acf0221ddb4a3b3caf05847a74b531c961da1c80f58d0e4dbc29570d2368a18ca44e0723cbbb9f9168d84559f13
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Filesize
4.1MB
MD5f61920d557fd6487a9a7ee0b5b772b63
SHA1338db365ab279d1e2fbdd339183f6a92ef09196b
SHA256b2b572a9f0b0d9a7e1ee8afb6cfbbe8e9814a74dba2c8d81fea35a28ebe97450
SHA512bdeaebb36d1aaf959c74c65f12eadf630c4bff2a477d839d6f4f0ec04d53da272efd1bccc950591881d952e130b8fcad693ea1040f656034544c0ec924827804