Analysis
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max time kernel
150s -
max time network
137s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
28-03-2024 16:40
Static task
static1
Behavioral task
behavioral1
Sample
75b91886511f07be7b131cc35c0a4a651da0d6396a495631f6ffe90cceb009be.exe
Resource
win10v2004-20240226-en
General
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Target
75b91886511f07be7b131cc35c0a4a651da0d6396a495631f6ffe90cceb009be.exe
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Size
4.1MB
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MD5
cdffc5c19903a042f7b45f50a69c4cdf
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SHA1
8b3863564ab3d4996de05535cef6a52302706165
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SHA256
75b91886511f07be7b131cc35c0a4a651da0d6396a495631f6ffe90cceb009be
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SHA512
4ae4481dcd35e790c36745fe8c9c7b52a73438c592cdf8f2a84b4899c58f4365f05fc01a8fd4e8d8e57d1133ba15d98009390659cfce733508e92a1aea53d2e4
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SSDEEP
98304:+GTNMYDj3iBHNoHffgF5PrwWJSfEGn3jJ6VZDlAo879KWP5CvHYi:5Ty87i5G/fgF5bJSfbTJQAn95xCfN
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral1/memory/4568-2-0x00000000030C0000-0x00000000039AB000-memory.dmp family_glupteba behavioral1/memory/4568-3-0x0000000000400000-0x0000000000ECD000-memory.dmp family_glupteba behavioral1/memory/2332-57-0x0000000002F70000-0x000000000385B000-memory.dmp family_glupteba behavioral1/memory/2332-58-0x0000000000400000-0x0000000000ECD000-memory.dmp family_glupteba behavioral1/memory/4568-61-0x0000000000400000-0x0000000000ECD000-memory.dmp family_glupteba behavioral1/memory/2332-121-0x0000000000400000-0x0000000000ECD000-memory.dmp family_glupteba behavioral1/memory/2332-124-0x0000000000400000-0x0000000000ECD000-memory.dmp family_glupteba behavioral1/memory/2332-220-0x0000000000400000-0x0000000000ECD000-memory.dmp family_glupteba behavioral1/memory/2848-252-0x0000000000400000-0x0000000000ECD000-memory.dmp family_glupteba behavioral1/memory/2848-267-0x0000000000400000-0x0000000000ECD000-memory.dmp family_glupteba behavioral1/memory/2848-270-0x0000000000400000-0x0000000000ECD000-memory.dmp family_glupteba behavioral1/memory/2848-274-0x0000000000400000-0x0000000000ECD000-memory.dmp family_glupteba behavioral1/memory/2848-278-0x0000000000400000-0x0000000000ECD000-memory.dmp family_glupteba behavioral1/memory/2848-282-0x0000000000400000-0x0000000000ECD000-memory.dmp family_glupteba behavioral1/memory/2848-286-0x0000000000400000-0x0000000000ECD000-memory.dmp family_glupteba behavioral1/memory/2848-290-0x0000000000400000-0x0000000000ECD000-memory.dmp family_glupteba behavioral1/memory/2848-295-0x0000000000400000-0x0000000000ECD000-memory.dmp family_glupteba behavioral1/memory/2848-298-0x0000000000400000-0x0000000000ECD000-memory.dmp family_glupteba behavioral1/memory/2848-302-0x0000000000400000-0x0000000000ECD000-memory.dmp family_glupteba behavioral1/memory/2848-306-0x0000000000400000-0x0000000000ECD000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4964 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2848 csrss.exe 2604 injector.exe 1304 windefender.exe 1840 windefender.exe -
resource yara_rule behavioral1/files/0x000900000002322a-261.dat upx behavioral1/memory/1304-265-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1840-271-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1840-279-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1840-291-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 75b91886511f07be7b131cc35c0a4a651da0d6396a495631f6ffe90cceb009be.exe Set value (str) \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\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 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 -
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 75b91886511f07be7b131cc35c0a4a651da0d6396a495631f6ffe90cceb009be.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 75b91886511f07be7b131cc35c0a4a651da0d6396a495631f6ffe90cceb009be.exe File created C:\Windows\rss\csrss.exe 75b91886511f07be7b131cc35c0a4a651da0d6396a495631f6ffe90cceb009be.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 780 sc.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 1100 schtasks.exe 2264 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time" 75b91886511f07be7b131cc35c0a4a651da0d6396a495631f6ffe90cceb009be.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.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\22\52C64B7E\@tzres.dll,-71 = "Newfoundland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-412 = "E. Africa Standard Time" 75b91886511f07be7b131cc35c0a4a651da0d6396a495631f6ffe90cceb009be.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed 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\22\52C64B7E\@tzres.dll,-2451 = "Saint Pierre Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time" 75b91886511f07be7b131cc35c0a4a651da0d6396a495631f6ffe90cceb009be.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" 75b91886511f07be7b131cc35c0a4a651da0d6396a495631f6ffe90cceb009be.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time" 75b91886511f07be7b131cc35c0a4a651da0d6396a495631f6ffe90cceb009be.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2492 = "Aus Central W. Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-41 = "E. South America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-112 = "Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time" 75b91886511f07be7b131cc35c0a4a651da0d6396a495631f6ffe90cceb009be.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" 75b91886511f07be7b131cc35c0a4a651da0d6396a495631f6ffe90cceb009be.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" 75b91886511f07be7b131cc35c0a4a651da0d6396a495631f6ffe90cceb009be.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-302 = "Romance Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)" 75b91886511f07be7b131cc35c0a4a651da0d6396a495631f6ffe90cceb009be.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" 75b91886511f07be7b131cc35c0a4a651da0d6396a495631f6ffe90cceb009be.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2372 = "Easter Island Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2591 = "Tocantins Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-131 = "US Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1842 = "Russia TZ 4 Standard Time" 75b91886511f07be7b131cc35c0a4a651da0d6396a495631f6ffe90cceb009be.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 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\22\52C64B7E\@tzres.dll,-501 = "Nepal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-692 = "Tasmania Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates 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\22\52C64B7E\@tzres.dll,-1972 = "Belarus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time" 75b91886511f07be7b131cc35c0a4a651da0d6396a495631f6ffe90cceb009be.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time" 75b91886511f07be7b131cc35c0a4a651da0d6396a495631f6ffe90cceb009be.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" 75b91886511f07be7b131cc35c0a4a651da0d6396a495631f6ffe90cceb009be.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2791 = "Novosibirsk Daylight Time" 75b91886511f07be7b131cc35c0a4a651da0d6396a495631f6ffe90cceb009be.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2571 = "Turks and Caicos Daylight Time" 75b91886511f07be7b131cc35c0a4a651da0d6396a495631f6ffe90cceb009be.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time" 75b91886511f07be7b131cc35c0a4a651da0d6396a495631f6ffe90cceb009be.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" 75b91886511f07be7b131cc35c0a4a651da0d6396a495631f6ffe90cceb009be.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs 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\22\52C64B7E\@tzres.dll,-2161 = "Altai Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-371 = "Jerusalem Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-981 = "Kamchatka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time" 75b91886511f07be7b131cc35c0a4a651da0d6396a495631f6ffe90cceb009be.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" 75b91886511f07be7b131cc35c0a4a651da0d6396a495631f6ffe90cceb009be.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time" 75b91886511f07be7b131cc35c0a4a651da0d6396a495631f6ffe90cceb009be.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\22\52C64B7E\@tzres.dll,-681 = "E. Australia Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-221 = "Alaskan Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 556 powershell.exe 556 powershell.exe 4568 75b91886511f07be7b131cc35c0a4a651da0d6396a495631f6ffe90cceb009be.exe 4568 75b91886511f07be7b131cc35c0a4a651da0d6396a495631f6ffe90cceb009be.exe 4472 powershell.exe 4472 powershell.exe 2332 75b91886511f07be7b131cc35c0a4a651da0d6396a495631f6ffe90cceb009be.exe 2332 75b91886511f07be7b131cc35c0a4a651da0d6396a495631f6ffe90cceb009be.exe 2332 75b91886511f07be7b131cc35c0a4a651da0d6396a495631f6ffe90cceb009be.exe 2332 75b91886511f07be7b131cc35c0a4a651da0d6396a495631f6ffe90cceb009be.exe 2332 75b91886511f07be7b131cc35c0a4a651da0d6396a495631f6ffe90cceb009be.exe 2332 75b91886511f07be7b131cc35c0a4a651da0d6396a495631f6ffe90cceb009be.exe 2332 75b91886511f07be7b131cc35c0a4a651da0d6396a495631f6ffe90cceb009be.exe 2332 75b91886511f07be7b131cc35c0a4a651da0d6396a495631f6ffe90cceb009be.exe 2332 75b91886511f07be7b131cc35c0a4a651da0d6396a495631f6ffe90cceb009be.exe 2332 75b91886511f07be7b131cc35c0a4a651da0d6396a495631f6ffe90cceb009be.exe 2364 powershell.exe 2364 powershell.exe 4444 powershell.exe 4444 powershell.exe 3940 powershell.exe 3940 powershell.exe 3204 powershell.exe 3204 powershell.exe 3024 powershell.exe 3024 powershell.exe 2604 injector.exe 2604 injector.exe 2604 injector.exe 2604 injector.exe 2604 injector.exe 2604 injector.exe 2848 csrss.exe 2848 csrss.exe 2604 injector.exe 2604 injector.exe 2604 injector.exe 2604 injector.exe 2604 injector.exe 2604 injector.exe 2848 csrss.exe 2848 csrss.exe 2604 injector.exe 2604 injector.exe 2848 csrss.exe 2848 csrss.exe 2604 injector.exe 2604 injector.exe 2604 injector.exe 2604 injector.exe 2604 injector.exe 2604 injector.exe 2604 injector.exe 2604 injector.exe 2604 injector.exe 2604 injector.exe 2604 injector.exe 2604 injector.exe 2604 injector.exe 2604 injector.exe 2604 injector.exe 2604 injector.exe 2604 injector.exe 2604 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 556 powershell.exe Token: SeDebugPrivilege 4568 75b91886511f07be7b131cc35c0a4a651da0d6396a495631f6ffe90cceb009be.exe Token: SeImpersonatePrivilege 4568 75b91886511f07be7b131cc35c0a4a651da0d6396a495631f6ffe90cceb009be.exe Token: SeDebugPrivilege 4472 powershell.exe Token: SeDebugPrivilege 2364 powershell.exe Token: SeDebugPrivilege 4444 powershell.exe Token: SeDebugPrivilege 3940 powershell.exe Token: SeDebugPrivilege 3204 powershell.exe Token: SeDebugPrivilege 3024 powershell.exe Token: SeSystemEnvironmentPrivilege 2848 csrss.exe Token: SeSecurityPrivilege 780 sc.exe Token: SeSecurityPrivilege 780 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4568 wrote to memory of 556 4568 75b91886511f07be7b131cc35c0a4a651da0d6396a495631f6ffe90cceb009be.exe 88 PID 4568 wrote to memory of 556 4568 75b91886511f07be7b131cc35c0a4a651da0d6396a495631f6ffe90cceb009be.exe 88 PID 4568 wrote to memory of 556 4568 75b91886511f07be7b131cc35c0a4a651da0d6396a495631f6ffe90cceb009be.exe 88 PID 2332 wrote to memory of 4472 2332 75b91886511f07be7b131cc35c0a4a651da0d6396a495631f6ffe90cceb009be.exe 97 PID 2332 wrote to memory of 4472 2332 75b91886511f07be7b131cc35c0a4a651da0d6396a495631f6ffe90cceb009be.exe 97 PID 2332 wrote to memory of 4472 2332 75b91886511f07be7b131cc35c0a4a651da0d6396a495631f6ffe90cceb009be.exe 97 PID 2332 wrote to memory of 3364 2332 75b91886511f07be7b131cc35c0a4a651da0d6396a495631f6ffe90cceb009be.exe 101 PID 2332 wrote to memory of 3364 2332 75b91886511f07be7b131cc35c0a4a651da0d6396a495631f6ffe90cceb009be.exe 101 PID 3364 wrote to memory of 4964 3364 cmd.exe 103 PID 3364 wrote to memory of 4964 3364 cmd.exe 103 PID 2332 wrote to memory of 2364 2332 75b91886511f07be7b131cc35c0a4a651da0d6396a495631f6ffe90cceb009be.exe 104 PID 2332 wrote to memory of 2364 2332 75b91886511f07be7b131cc35c0a4a651da0d6396a495631f6ffe90cceb009be.exe 104 PID 2332 wrote to memory of 2364 2332 75b91886511f07be7b131cc35c0a4a651da0d6396a495631f6ffe90cceb009be.exe 104 PID 2332 wrote to memory of 4444 2332 75b91886511f07be7b131cc35c0a4a651da0d6396a495631f6ffe90cceb009be.exe 106 PID 2332 wrote to memory of 4444 2332 75b91886511f07be7b131cc35c0a4a651da0d6396a495631f6ffe90cceb009be.exe 106 PID 2332 wrote to memory of 4444 2332 75b91886511f07be7b131cc35c0a4a651da0d6396a495631f6ffe90cceb009be.exe 106 PID 2332 wrote to memory of 2848 2332 75b91886511f07be7b131cc35c0a4a651da0d6396a495631f6ffe90cceb009be.exe 108 PID 2332 wrote to memory of 2848 2332 75b91886511f07be7b131cc35c0a4a651da0d6396a495631f6ffe90cceb009be.exe 108 PID 2332 wrote to memory of 2848 2332 75b91886511f07be7b131cc35c0a4a651da0d6396a495631f6ffe90cceb009be.exe 108 PID 2848 wrote to memory of 3940 2848 csrss.exe 109 PID 2848 wrote to memory of 3940 2848 csrss.exe 109 PID 2848 wrote to memory of 3940 2848 csrss.exe 109 PID 2848 wrote to memory of 3204 2848 csrss.exe 115 PID 2848 wrote to memory of 3204 2848 csrss.exe 115 PID 2848 wrote to memory of 3204 2848 csrss.exe 115 PID 2848 wrote to memory of 3024 2848 csrss.exe 117 PID 2848 wrote to memory of 3024 2848 csrss.exe 117 PID 2848 wrote to memory of 3024 2848 csrss.exe 117 PID 2848 wrote to memory of 2604 2848 csrss.exe 120 PID 2848 wrote to memory of 2604 2848 csrss.exe 120 PID 1304 wrote to memory of 1916 1304 windefender.exe 126 PID 1304 wrote to memory of 1916 1304 windefender.exe 126 PID 1304 wrote to memory of 1916 1304 windefender.exe 126 PID 1916 wrote to memory of 780 1916 cmd.exe 127 PID 1916 wrote to memory of 780 1916 cmd.exe 127 PID 1916 wrote to memory of 780 1916 cmd.exe 127 -
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\75b91886511f07be7b131cc35c0a4a651da0d6396a495631f6ffe90cceb009be.exe"C:\Users\Admin\AppData\Local\Temp\75b91886511f07be7b131cc35c0a4a651da0d6396a495631f6ffe90cceb009be.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4568 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:556
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C:\Users\Admin\AppData\Local\Temp\75b91886511f07be7b131cc35c0a4a651da0d6396a495631f6ffe90cceb009be.exe"C:\Users\Admin\AppData\Local\Temp\75b91886511f07be7b131cc35c0a4a651da0d6396a495631f6ffe90cceb009be.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:2332 -
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:4472
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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:3364 -
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:4964
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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:2364
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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:4444
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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:2848 -
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:3940
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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:2264
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:920
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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:3204
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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:3024
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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:2604
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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:1100
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1304 -
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:1916 -
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:780
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1840
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
MD58b44ae362824ea25b70b47ada7b25145
SHA1afd98731c219fc029d1667ea46fe59e0992afd80
SHA256659a0bd92f0dc3880c730216c2a3bb295731a62f9e764849c3b92b5f914e5c61
SHA5122aa109732d1f035e8a515f1fc713c011b08b95915fe0f8414443ed2c7a353cdc771e11369b7188ec2bbaa98ecd6afd31f21e870c2454c9b76314bdeb6ee63b46
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ca7159178782a0625cbaf5706cdfddd7
SHA1b33e66635ae472029595530568ac42dfda6552ca
SHA2561c7175357423e8e77d8c15f85dcacab226d23674c3e102d4250e762e2789eb9c
SHA512a8515f48df530c632e499f32ee400eaadeece181c7c34c4658e1f05241733a75b3a4ce3a1d9a9d3cb6f2965f708c6b315906c9ea78cc65136066065e99284f5e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD547d305c6d995582bf1c3e4edf98e93b5
SHA17888e0e5cea8d2d4765dcecc43850a4f3626611e
SHA256374dedd8629e914ea35036ed4cadcb654722c49534bb60ebcb7efd4de661f719
SHA5122d57b4044405c2a31b7b4d6a3969554b681f33666583c4c1ad95c64ccd0b82feedaf4294d2fe304c6ccaf6a4b588cd108627e48f2a962c6ac318c10588bb85d3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c637b2b437aa3552aa0afd0de0cedd09
SHA1e377e083580be6beeb93bbad2227e82a6c9a10eb
SHA256a224d05854b872b6a12e565d8f9b66e9617c70449206fec04d740e1e0f9f3188
SHA512a3074aca09c0bd9071978b76c00512a365f84c257b3a6a4e26eddd13ef03f4dc2d022894e2d1ba1a84e897851dcd383e21344c6a2334c7cd91739cd596d7c7a8
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a6dd3175262af9a04cd544688ca6c0c9
SHA1d6510dfd1050b627ec3aff24fa724b055d9ef3a2
SHA256c5319c72e540a32f5c732fbd9637fb6d2ee511b50bd6f4a711209d5a2b666846
SHA512bded3d20206b40583baa95bd17d306d679344726a90efbca9c67c1c75c540d3e18af331f5456ab2da17f5d78e86265ff2de07db82ae56d6dd862c3dcd55a4a92
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Filesize
4.1MB
MD5cdffc5c19903a042f7b45f50a69c4cdf
SHA18b3863564ab3d4996de05535cef6a52302706165
SHA25675b91886511f07be7b131cc35c0a4a651da0d6396a495631f6ffe90cceb009be
SHA5124ae4481dcd35e790c36745fe8c9c7b52a73438c592cdf8f2a84b4899c58f4365f05fc01a8fd4e8d8e57d1133ba15d98009390659cfce733508e92a1aea53d2e4
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec