Analysis
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max time kernel
149s -
max time network
141s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
09/05/2024, 16:54
Static task
static1
Behavioral task
behavioral1
Sample
959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b.exe
Resource
win10v2004-20240508-en
General
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Target
959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b.exe
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Size
4.1MB
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MD5
5697ae3edaa60fe9831e4d7fcf3b6c7d
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SHA1
abbf6ffb25b29785833153beb54111ce79af70a4
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SHA256
959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b
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SHA512
cca347bf178dd1ad6615dfeaf097426f6c7c35cec577eea668a790732704e066436b72dc036d11cf1d9c02b0d4289f4d09e1cfb1467b72c3edc7ad003c56ffbf
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SSDEEP
98304:blDK2ogLLeo95J5ZPcfTDKdk17ZCPQ0/B9CeuvJXiZ9xD4RskEV31KmzN:h7B3j0rWdEQQ059Cfd4xbkE91Kmx
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/1776-2-0x00000000050C0000-0x00000000059AB000-memory.dmp family_glupteba behavioral2/memory/1776-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1776-49-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/1776-72-0x00000000050C0000-0x00000000059AB000-memory.dmp family_glupteba behavioral2/memory/4952-88-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/1776-125-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4952-126-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/3528-148-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/3528-201-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/3528-212-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/3528-215-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/3528-218-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/3528-221-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/3528-224-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/3528-227-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/3528-230-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/3528-233-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/3528-236-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/3528-239-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2452 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3528 csrss.exe 4772 injector.exe 2152 windefender.exe 3576 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa1f-204.dat upx behavioral2/memory/2152-205-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3576-208-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2152-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3576-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3576-220-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3576-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2551177587-3778486488-1329702901-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b.exe Set value (str) \REGISTRY\USER\S-1-5-21-2551177587-3778486488-1329702901-1000\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 959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b.exe File created C:\Windows\rss\csrss.exe 959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b.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 4116 sc.exe -
pid Process 2092 powershell.exe 2132 powershell.exe 2432 powershell.exe 4480 powershell.exe 4688 powershell.exe 248 powershell.exe 2980 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 4916 schtasks.exe 4088 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,-151 = "Central America Daylight Time" 959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2531 = "Chatham Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2411 = "Marquesas Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" 959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2391 = "Aleutian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-722 = "Central Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-171 = "Central Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2942 = "Sao Tome Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time" 959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time" 959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.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\@tzres.dll,-891 = "Morocco Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" 959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-365 = "Middle East Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-242 = "Samoa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-352 = "FLE Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-431 = "Iran Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" 959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time" 959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" 959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs 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\@tzres.dll,-841 = "Argentina Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1722 = "Libya Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-752 = "Tonga Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1912 = "Russia TZ 10 Standard Time" 959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2572 = "Turks and Caicos Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time" 959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2491 = "Aus Central W. Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-364 = "Middle East Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-412 = "E. Africa Standard Time" 959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-672 = "AUS Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time" 959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-622 = "Korea Standard Time" 959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" 959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time" 959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" 959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time" 959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time" 959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time" 959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time" 959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs 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\@tzres.dll,-2792 = "Novosibirsk Standard Time" windefender.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\@tzres.dll,-105 = "Central Brazilian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)" 959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4688 powershell.exe 4688 powershell.exe 1776 959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b.exe 1776 959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b.exe 248 powershell.exe 248 powershell.exe 4952 959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b.exe 4952 959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b.exe 4952 959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b.exe 4952 959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b.exe 4952 959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b.exe 4952 959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b.exe 4952 959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b.exe 4952 959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b.exe 4952 959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b.exe 4952 959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b.exe 2980 powershell.exe 2980 powershell.exe 2092 powershell.exe 2092 powershell.exe 2132 powershell.exe 2132 powershell.exe 2432 powershell.exe 2432 powershell.exe 4480 powershell.exe 4480 powershell.exe 4772 injector.exe 4772 injector.exe 4772 injector.exe 4772 injector.exe 4772 injector.exe 4772 injector.exe 3528 csrss.exe 3528 csrss.exe 4772 injector.exe 4772 injector.exe 4772 injector.exe 4772 injector.exe 4772 injector.exe 4772 injector.exe 3528 csrss.exe 3528 csrss.exe 4772 injector.exe 4772 injector.exe 4772 injector.exe 4772 injector.exe 3528 csrss.exe 3528 csrss.exe 4772 injector.exe 4772 injector.exe 4772 injector.exe 4772 injector.exe 4772 injector.exe 4772 injector.exe 4772 injector.exe 4772 injector.exe 4772 injector.exe 4772 injector.exe 4772 injector.exe 4772 injector.exe 4772 injector.exe 4772 injector.exe 4772 injector.exe 4772 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4688 powershell.exe Token: SeDebugPrivilege 1776 959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b.exe Token: SeImpersonatePrivilege 1776 959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b.exe Token: SeDebugPrivilege 248 powershell.exe Token: SeDebugPrivilege 2980 powershell.exe Token: SeDebugPrivilege 2092 powershell.exe Token: SeDebugPrivilege 2132 powershell.exe Token: SeDebugPrivilege 2432 powershell.exe Token: SeDebugPrivilege 4480 powershell.exe Token: SeSystemEnvironmentPrivilege 3528 csrss.exe Token: SeSecurityPrivilege 4116 sc.exe Token: SeSecurityPrivilege 4116 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1776 wrote to memory of 4688 1776 959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b.exe 78 PID 1776 wrote to memory of 4688 1776 959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b.exe 78 PID 1776 wrote to memory of 4688 1776 959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b.exe 78 PID 4952 wrote to memory of 248 4952 959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b.exe 83 PID 4952 wrote to memory of 248 4952 959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b.exe 83 PID 4952 wrote to memory of 248 4952 959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b.exe 83 PID 4952 wrote to memory of 4144 4952 959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b.exe 85 PID 4952 wrote to memory of 4144 4952 959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b.exe 85 PID 4144 wrote to memory of 2452 4144 cmd.exe 87 PID 4144 wrote to memory of 2452 4144 cmd.exe 87 PID 4952 wrote to memory of 2980 4952 959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b.exe 88 PID 4952 wrote to memory of 2980 4952 959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b.exe 88 PID 4952 wrote to memory of 2980 4952 959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b.exe 88 PID 4952 wrote to memory of 2092 4952 959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b.exe 90 PID 4952 wrote to memory of 2092 4952 959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b.exe 90 PID 4952 wrote to memory of 2092 4952 959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b.exe 90 PID 4952 wrote to memory of 3528 4952 959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b.exe 92 PID 4952 wrote to memory of 3528 4952 959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b.exe 92 PID 4952 wrote to memory of 3528 4952 959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b.exe 92 PID 3528 wrote to memory of 2132 3528 csrss.exe 93 PID 3528 wrote to memory of 2132 3528 csrss.exe 93 PID 3528 wrote to memory of 2132 3528 csrss.exe 93 PID 3528 wrote to memory of 2432 3528 csrss.exe 98 PID 3528 wrote to memory of 2432 3528 csrss.exe 98 PID 3528 wrote to memory of 2432 3528 csrss.exe 98 PID 3528 wrote to memory of 4480 3528 csrss.exe 101 PID 3528 wrote to memory of 4480 3528 csrss.exe 101 PID 3528 wrote to memory of 4480 3528 csrss.exe 101 PID 3528 wrote to memory of 4772 3528 csrss.exe 103 PID 3528 wrote to memory of 4772 3528 csrss.exe 103 PID 2152 wrote to memory of 4260 2152 windefender.exe 109 PID 2152 wrote to memory of 4260 2152 windefender.exe 109 PID 2152 wrote to memory of 4260 2152 windefender.exe 109 PID 4260 wrote to memory of 4116 4260 cmd.exe 110 PID 4260 wrote to memory of 4116 4260 cmd.exe 110 PID 4260 wrote to memory of 4116 4260 cmd.exe 110 -
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\959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b.exe"C:\Users\Admin\AppData\Local\Temp\959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1776 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4688
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C:\Users\Admin\AppData\Local\Temp\959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b.exe"C:\Users\Admin\AppData\Local\Temp\959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b.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:4952 -
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:248
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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:4144 -
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:2452
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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:2980
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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:2092
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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:3528 -
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:2132
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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:4916
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4560
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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:2432
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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:4480
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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:4772
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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:4088
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2152 -
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:4260 -
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:4116
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3576
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
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ebaab6b779afecdfe3ae448900c9b143
SHA1985a811b6a4d2129479f9828a94604a7e0696f18
SHA256cbbb0aacdc728bbd68b670392ec6ceba1ae7091f9873f79e6a583cc481fe2334
SHA51206328aa202d12c18b93cde35b39ac0ff87229a0c9d8dd3c64c60d5ff880125c4f7a6574253f5d96540cfefa66907527d35fbb0351b89c873ebc2e278c6fa5af6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ad3e6b9961ab7c3afef3cc171e418951
SHA1af3c0b14916f4515fc950caee0359c15446f5bf6
SHA256d4da3e68d40093e88f364d80063c81fc20ca3be1bd21406393574cddd11f75f8
SHA51211439bee1e29778f4f0e5c6c85262622eedc7aa96e488e5c12f3cdcecf649312137f6b9ca43936997754f10abade0e550ea0e435788834ff6b40416bf0b87bbe
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD588a20797cab40d80bef03f535c4ef91f
SHA14ba2f031702bf8d6957ae4172453212fcbe472c9
SHA256329869809a7c03fb5bef73582ceb9dc21f27000ec86097f4f7382bb44332c73b
SHA512fc71448dff69c153390377e335f7a1da570c0644cbb0f0793dea47cbba1b97e2724e9d3555544c5bcf79c54b6141754ffa6999aa73d8e45f1f51a88b403571ce
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56df844f47b527b3945a0db01db4a2ccb
SHA143574584c5bd3e725f3bbf550fdf0c4ac6361d4b
SHA256a53d9329168f53d872f9b72750f541836bf8e7671cd2126288240a63b48385db
SHA512628622eb8b22b082e8a6d8239f05b183034c98ce11bec5fa5a8df2d9d9959299b4757b8284a30df964b2aab01d639e45560a47132590d22cff76e1cd12f9fa68
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59c09c48a2ef2cc39bc624e47e3bb1d78
SHA1ca8e2ea9dec425085d938afb31d74a05281f2cf3
SHA256ddda50a290849ff2595a4ce9820dfb65820b8f8d14acd89ea27bc1cf7daf555e
SHA512e03697f11abe7d958cf5a7fc8ebb8701e6c5a92ef07ad139d5e6dfc88e62357660cfd6cfddd1f16ab42048825493b16a1f8eda5696cb9e062342abb3827bfe5e
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Filesize
4.1MB
MD55697ae3edaa60fe9831e4d7fcf3b6c7d
SHA1abbf6ffb25b29785833153beb54111ce79af70a4
SHA256959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b
SHA512cca347bf178dd1ad6615dfeaf097426f6c7c35cec577eea668a790732704e066436b72dc036d11cf1d9c02b0d4289f4d09e1cfb1467b72c3edc7ad003c56ffbf
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec