Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
19/04/2024, 22:43
Static task
static1
Behavioral task
behavioral1
Sample
74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe
Resource
win10v2004-20240412-en
General
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Target
74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe
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Size
4.2MB
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MD5
3b2988ba478816d8ce4c89af3fb479a5
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SHA1
a2beef31125280751561e3af02f5567b9bb0fcab
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SHA256
74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4
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SHA512
d777497edb9cc66e8a565e4f1f6d522f1601e09f6cdf2b47b4e0874d423ab95261accecfeaa01c8ba01f35606259128132cea043165a97328ac68734e836b719
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SSDEEP
98304:3/40EOOAEftLoGWLNDgTXMgGOTrFzBqlMJaGItfGH:PdVQtLoTZDg5GO9Bqlcf
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral1/memory/2804-2-0x0000000004100000-0x00000000049EB000-memory.dmp family_glupteba behavioral1/memory/2804-3-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/1540-57-0x0000000003FF0000-0x00000000048DB000-memory.dmp family_glupteba behavioral1/memory/2804-56-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/1540-58-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/1540-146-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/1540-154-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/2860-256-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/2860-265-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/2860-267-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/2860-269-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/2860-271-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/2860-273-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/2860-275-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/2860-277-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/2860-279-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/2860-281-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/2860-283-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/2860-285-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/2860-287-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3652 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2860 csrss.exe 4252 injector.exe 2292 windefender.exe 2432 windefender.exe -
resource yara_rule behavioral1/files/0x000800000002345b-259.dat upx behavioral1/memory/2292-263-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2432-266-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2432-270-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-259785868-298165991-4178590326-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe Set value (str) \REGISTRY\USER\S-1-5-21-259785868-298165991-4178590326-1000\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\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 File created 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 74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe 74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.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 74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 4840 sc.exe -
Program crash 2 IoCs
pid pid_target Process procid_target 3384 2804 WerFault.exe 83 2636 1540 WerFault.exe 92 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3236 schtasks.exe 2788 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" 74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-3051 = "Qyzylorda Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2321 = "Sakhalin Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time" 74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" 74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-291 = "Central European Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time" 74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time" 74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time" 74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs 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\26\52C64B7E\@tzres.dll,-1021 = "Bangladesh Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time" 74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" 74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" 74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\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\26\52C64B7E\@tzres.dll,-412 = "E. Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2631 = "Norfolk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-532 = "Sri Lanka Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2491 = "Aus Central W. Daylight Time" 74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" 74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" 74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time" 74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time" 74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time" 74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)" 74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time" 74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time" 74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-105 = "Central Brazilian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2411 = "Marquesas Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-364 = "Middle East Daylight Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-191 = "Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time" 74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time" 74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed 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\26\52C64B7E\@tzres.dll,-731 = "Fiji Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-12 = "Azores Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-411 = "E. Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time" 74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time" 74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time" 74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time" 74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-271 = "Greenwich Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" 74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.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\26\52C64B7E\@tzres.dll,-2612 = "Bougainville Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-251 = "Dateline Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2080 powershell.exe 2080 powershell.exe 2804 74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe 2804 74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe 884 powershell.exe 884 powershell.exe 1540 74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe 1540 74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe 1540 74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe 1540 74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe 1540 74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe 1540 74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe 1540 74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe 1540 74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe 1540 74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe 1540 74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe 2472 powershell.exe 2472 powershell.exe 2472 powershell.exe 3956 powershell.exe 3956 powershell.exe 3956 powershell.exe 2248 powershell.exe 2248 powershell.exe 2248 powershell.exe 3988 powershell.exe 3988 powershell.exe 3988 powershell.exe 1056 powershell.exe 1056 powershell.exe 1056 powershell.exe 4252 injector.exe 4252 injector.exe 4252 injector.exe 4252 injector.exe 4252 injector.exe 4252 injector.exe 2860 csrss.exe 2860 csrss.exe 4252 injector.exe 4252 injector.exe 4252 injector.exe 4252 injector.exe 4252 injector.exe 4252 injector.exe 2860 csrss.exe 2860 csrss.exe 4252 injector.exe 4252 injector.exe 4252 injector.exe 4252 injector.exe 4252 injector.exe 4252 injector.exe 2860 csrss.exe 2860 csrss.exe 4252 injector.exe 4252 injector.exe 4252 injector.exe 4252 injector.exe 4252 injector.exe 4252 injector.exe 4252 injector.exe 4252 injector.exe 4252 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2080 powershell.exe Token: SeDebugPrivilege 2804 74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe Token: SeImpersonatePrivilege 2804 74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe Token: SeDebugPrivilege 884 powershell.exe Token: SeDebugPrivilege 2472 powershell.exe Token: SeDebugPrivilege 3956 powershell.exe Token: SeDebugPrivilege 2248 powershell.exe Token: SeDebugPrivilege 3988 powershell.exe Token: SeDebugPrivilege 1056 powershell.exe Token: SeSystemEnvironmentPrivilege 2860 csrss.exe Token: SeSecurityPrivilege 4840 sc.exe Token: SeSecurityPrivilege 4840 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2804 wrote to memory of 2080 2804 74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe 88 PID 2804 wrote to memory of 2080 2804 74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe 88 PID 2804 wrote to memory of 2080 2804 74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe 88 PID 1540 wrote to memory of 884 1540 74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe 96 PID 1540 wrote to memory of 884 1540 74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe 96 PID 1540 wrote to memory of 884 1540 74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe 96 PID 1540 wrote to memory of 3872 1540 74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe 99 PID 1540 wrote to memory of 3872 1540 74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe 99 PID 3872 wrote to memory of 3652 3872 cmd.exe 101 PID 3872 wrote to memory of 3652 3872 cmd.exe 101 PID 1540 wrote to memory of 2472 1540 74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe 104 PID 1540 wrote to memory of 2472 1540 74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe 104 PID 1540 wrote to memory of 2472 1540 74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe 104 PID 1540 wrote to memory of 3956 1540 74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe 107 PID 1540 wrote to memory of 3956 1540 74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe 107 PID 1540 wrote to memory of 3956 1540 74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe 107 PID 1540 wrote to memory of 2860 1540 74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe 110 PID 1540 wrote to memory of 2860 1540 74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe 110 PID 1540 wrote to memory of 2860 1540 74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe 110 PID 2860 wrote to memory of 2248 2860 csrss.exe 113 PID 2860 wrote to memory of 2248 2860 csrss.exe 113 PID 2860 wrote to memory of 2248 2860 csrss.exe 113 PID 2860 wrote to memory of 3988 2860 csrss.exe 120 PID 2860 wrote to memory of 3988 2860 csrss.exe 120 PID 2860 wrote to memory of 3988 2860 csrss.exe 120 PID 2860 wrote to memory of 1056 2860 csrss.exe 122 PID 2860 wrote to memory of 1056 2860 csrss.exe 122 PID 2860 wrote to memory of 1056 2860 csrss.exe 122 PID 2860 wrote to memory of 4252 2860 csrss.exe 124 PID 2860 wrote to memory of 4252 2860 csrss.exe 124 PID 2292 wrote to memory of 4004 2292 windefender.exe 131 PID 2292 wrote to memory of 4004 2292 windefender.exe 131 PID 2292 wrote to memory of 4004 2292 windefender.exe 131 PID 4004 wrote to memory of 4840 4004 cmd.exe 132 PID 4004 wrote to memory of 4840 4004 cmd.exe 132 PID 4004 wrote to memory of 4840 4004 cmd.exe 132 -
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\74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe"C:\Users\Admin\AppData\Local\Temp\74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2804 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2080
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C:\Users\Admin\AppData\Local\Temp\74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe"C:\Users\Admin\AppData\Local\Temp\74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.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:1540 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:884
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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:3872 -
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:3652
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2472
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3956
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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:2860 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2248
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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:3236
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1856
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3988
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1056
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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:4252
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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:2788
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2292 -
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:4004 -
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:4840
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1540 -s 9403⤵
- Program crash
PID:2636
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2804 -s 8162⤵
- Program crash
PID:3384
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2804 -ip 28041⤵PID:4808
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 1540 -ip 15401⤵PID:4900
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2432
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
MD5689d59caa25e8cd04b2d086d319e6a98
SHA16570641c98c1d71438221887f7541876ecdebc67
SHA256bc5142f067805742bcbea42458489d695615a1c1eb1c9bdd3c4fb2b671320581
SHA512890b517a74fbad3925409029c638fe272e07c8a78252d0ae88a878527bc86c5bac7ef75649be79c4c772341c4d86ab0e4d9a352ad8d49081b17d372509cd9ff7
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53d7b8b5d7ec90de8e7f9d7b59bc19762
SHA102f2088428e120dff1aa06c1b88407c44800fbb7
SHA2567bee053e9cb38cb78e6f9a2428928c1485cc57b9d3c8273cecd6c349ec549b62
SHA512c19aed45af9758c0762d2244e8ed1169d349bcbbe97c152b456cfb8a05e06a512572bb097e44372684a81fa54ddbcf4a4559dde24cfc6e313ad1f15d3676c74d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5aae30f06c82d1370b1916835a942c31f
SHA1b02bc08a85a5a923d889c5e90c1988456ffeb80d
SHA256f46b86d66dd11e7d1e4e366985edcaa23d0c0b681ae1118af85bfb1b891476c1
SHA512b3a404f4b5e82c083e2bb96797cd3f3ede033b54b8fb58a407997eafe96e07fa2b1f3004601d60eccd35a2f0fca809094f746023f520c1d6c132865e0d16eef4
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55d5ead98f94c958e7b4af9baac01f19d
SHA162faff718ffb73fba22a4831d2afc95964a3b072
SHA256ad31fbe545d7f12c43efb269640960a57893fef566aea2d029d81de3fa5b9e4b
SHA51211ce5af2b743f26c3fe81b5b937fa9d79cb8c86e78c1fc907474c6a0e8c20b630484ddb7e7ad4a05a70faecb92decc445cf9d3873de954c7ba036dbfa3729680
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d13ebac9d43ec9262995ed0d73e00f93
SHA17fe9c0dc0e00ac080d52fd96d377638ab5ed4164
SHA2567fda3a95da7a83ba48607bdb82bda7b47921156b05a90250da63b3afea5fa9e0
SHA512b8db4cfa8fa8b07761f7a71f598ef52ab6dc9f7262cedfd2754d21155dc539a40c43ba5d5c193ee6e78b7fe80b1f085f665b7d5d7e65a0483dc880757807a600
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Filesize
4.2MB
MD53b2988ba478816d8ce4c89af3fb479a5
SHA1a2beef31125280751561e3af02f5567b9bb0fcab
SHA25674065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4
SHA512d777497edb9cc66e8a565e4f1f6d522f1601e09f6cdf2b47b4e0874d423ab95261accecfeaa01c8ba01f35606259128132cea043165a97328ac68734e836b719
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec