Analysis
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max time kernel
149s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
19-05-2024 01:42
Static task
static1
Behavioral task
behavioral1
Sample
fb5c5eb64b94fc54f3d3dc7e4aa3b814c471088b16dd3a9c95a9a5b7a3619336.exe
Resource
win10v2004-20240508-en
General
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Target
fb5c5eb64b94fc54f3d3dc7e4aa3b814c471088b16dd3a9c95a9a5b7a3619336.exe
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Size
4.1MB
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MD5
1d376613cf4eaa65ecfb1c8fc808cb56
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SHA1
4145872c7772abd537e707d2217cd71010140bae
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SHA256
fb5c5eb64b94fc54f3d3dc7e4aa3b814c471088b16dd3a9c95a9a5b7a3619336
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SHA512
262d3c00e2f28c65b73814bb28787b8fd00461162edf58bb5a6d35dd0e91706becc0841898597b25d6985895cb1b1313581413517be00d5002e683c7a11ca88d
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SSDEEP
98304:CQGLdTw13YmTlGi/xMFRAVNS6wnhY59m5e0z8345g:CLpT0YNaxn5wu5s59YF
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/1236-2-0x00000000047B0000-0x000000000509B000-memory.dmp family_glupteba behavioral1/memory/1236-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1236-57-0x00000000047B0000-0x000000000509B000-memory.dmp family_glupteba behavioral1/memory/1236-56-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1236-54-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/652-134-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/2700-218-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/2700-228-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/2700-229-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/2700-231-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/2700-233-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/2700-235-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/2700-237-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/2700-239-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/2700-241-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/2700-243-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/2700-245-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/2700-247-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/2700-249-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2472 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2700 csrss.exe 3304 injector.exe 2480 windefender.exe 852 windefender.exe -
resource yara_rule behavioral1/files/0x00090000000233fd-221.dat upx behavioral1/memory/2480-222-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/852-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2480-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/852-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/852-234-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/852-240-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" fb5c5eb64b94fc54f3d3dc7e4aa3b814c471088b16dd3a9c95a9a5b7a3619336.exe Set value (str) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\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 fb5c5eb64b94fc54f3d3dc7e4aa3b814c471088b16dd3a9c95a9a5b7a3619336.exe -
Drops file in Windows directory 4 IoCs
description ioc Process 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 fb5c5eb64b94fc54f3d3dc7e4aa3b814c471088b16dd3a9c95a9a5b7a3619336.exe File created C:\Windows\rss\csrss.exe fb5c5eb64b94fc54f3d3dc7e4aa3b814c471088b16dd3a9c95a9a5b7a3619336.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 2288 sc.exe -
pid Process 2188 powershell.exe 1748 powershell.exe 4908 powershell.exe 4580 powershell.exe 864 powershell.exe 1516 powershell.exe 744 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 1420 schtasks.exe 3644 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\@tzres.dll,-2181 = "Astrakhan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-572 = "China Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2322 = "Sakhalin Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2532 = "Chatham Islands Standard Time" windefender.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,-871 = "Pakistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-652 = "AUS Central Standard Time" fb5c5eb64b94fc54f3d3dc7e4aa3b814c471088b16dd3a9c95a9a5b7a3619336.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time" fb5c5eb64b94fc54f3d3dc7e4aa3b814c471088b16dd3a9c95a9a5b7a3619336.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time" fb5c5eb64b94fc54f3d3dc7e4aa3b814c471088b16dd3a9c95a9a5b7a3619336.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time" fb5c5eb64b94fc54f3d3dc7e4aa3b814c471088b16dd3a9c95a9a5b7a3619336.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA 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\2a\52C64B7E\@tzres.dll,-661 = "Cen. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time" fb5c5eb64b94fc54f3d3dc7e4aa3b814c471088b16dd3a9c95a9a5b7a3619336.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time" fb5c5eb64b94fc54f3d3dc7e4aa3b814c471088b16dd3a9c95a9a5b7a3619336.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" fb5c5eb64b94fc54f3d3dc7e4aa3b814c471088b16dd3a9c95a9a5b7a3619336.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,-191 = "Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-931 = "Coordinated Universal Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs 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\2a\52C64B7E\@tzres.dll,-732 = "Fiji Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" fb5c5eb64b94fc54f3d3dc7e4aa3b814c471088b16dd3a9c95a9a5b7a3619336.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" fb5c5eb64b94fc54f3d3dc7e4aa3b814c471088b16dd3a9c95a9a5b7a3619336.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time" fb5c5eb64b94fc54f3d3dc7e4aa3b814c471088b16dd3a9c95a9a5b7a3619336.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1932 = "Russia TZ 11 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-632 = "Tokyo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time" fb5c5eb64b94fc54f3d3dc7e4aa3b814c471088b16dd3a9c95a9a5b7a3619336.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time" fb5c5eb64b94fc54f3d3dc7e4aa3b814c471088b16dd3a9c95a9a5b7a3619336.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-511 = "Central Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" fb5c5eb64b94fc54f3d3dc7e4aa3b814c471088b16dd3a9c95a9a5b7a3619336.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time" fb5c5eb64b94fc54f3d3dc7e4aa3b814c471088b16dd3a9c95a9a5b7a3619336.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time" fb5c5eb64b94fc54f3d3dc7e4aa3b814c471088b16dd3a9c95a9a5b7a3619336.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" fb5c5eb64b94fc54f3d3dc7e4aa3b814c471088b16dd3a9c95a9a5b7a3619336.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-131 = "US Eastern Daylight Time" windefender.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\@tzres.dll,-2162 = "Altai Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-451 = "Caucasus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time" fb5c5eb64b94fc54f3d3dc7e4aa3b814c471088b16dd3a9c95a9a5b7a3619336.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time" fb5c5eb64b94fc54f3d3dc7e4aa3b814c471088b16dd3a9c95a9a5b7a3619336.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)" fb5c5eb64b94fc54f3d3dc7e4aa3b814c471088b16dd3a9c95a9a5b7a3619336.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time" fb5c5eb64b94fc54f3d3dc7e4aa3b814c471088b16dd3a9c95a9a5b7a3619336.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\2a\52C64B7E\@tzres.dll,-622 = "Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-202 = "US Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" fb5c5eb64b94fc54f3d3dc7e4aa3b814c471088b16dd3a9c95a9a5b7a3619336.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time" fb5c5eb64b94fc54f3d3dc7e4aa3b814c471088b16dd3a9c95a9a5b7a3619336.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" fb5c5eb64b94fc54f3d3dc7e4aa3b814c471088b16dd3a9c95a9a5b7a3619336.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-71 = "Newfoundland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)" fb5c5eb64b94fc54f3d3dc7e4aa3b814c471088b16dd3a9c95a9a5b7a3619336.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time" fb5c5eb64b94fc54f3d3dc7e4aa3b814c471088b16dd3a9c95a9a5b7a3619336.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4908 powershell.exe 4908 powershell.exe 1236 fb5c5eb64b94fc54f3d3dc7e4aa3b814c471088b16dd3a9c95a9a5b7a3619336.exe 1236 fb5c5eb64b94fc54f3d3dc7e4aa3b814c471088b16dd3a9c95a9a5b7a3619336.exe 4580 powershell.exe 4580 powershell.exe 652 fb5c5eb64b94fc54f3d3dc7e4aa3b814c471088b16dd3a9c95a9a5b7a3619336.exe 652 fb5c5eb64b94fc54f3d3dc7e4aa3b814c471088b16dd3a9c95a9a5b7a3619336.exe 652 fb5c5eb64b94fc54f3d3dc7e4aa3b814c471088b16dd3a9c95a9a5b7a3619336.exe 652 fb5c5eb64b94fc54f3d3dc7e4aa3b814c471088b16dd3a9c95a9a5b7a3619336.exe 652 fb5c5eb64b94fc54f3d3dc7e4aa3b814c471088b16dd3a9c95a9a5b7a3619336.exe 652 fb5c5eb64b94fc54f3d3dc7e4aa3b814c471088b16dd3a9c95a9a5b7a3619336.exe 652 fb5c5eb64b94fc54f3d3dc7e4aa3b814c471088b16dd3a9c95a9a5b7a3619336.exe 652 fb5c5eb64b94fc54f3d3dc7e4aa3b814c471088b16dd3a9c95a9a5b7a3619336.exe 652 fb5c5eb64b94fc54f3d3dc7e4aa3b814c471088b16dd3a9c95a9a5b7a3619336.exe 652 fb5c5eb64b94fc54f3d3dc7e4aa3b814c471088b16dd3a9c95a9a5b7a3619336.exe 864 powershell.exe 864 powershell.exe 1516 powershell.exe 1516 powershell.exe 744 powershell.exe 744 powershell.exe 2188 powershell.exe 2188 powershell.exe 1748 powershell.exe 1748 powershell.exe 3304 injector.exe 3304 injector.exe 3304 injector.exe 3304 injector.exe 3304 injector.exe 3304 injector.exe 2700 csrss.exe 2700 csrss.exe 3304 injector.exe 3304 injector.exe 3304 injector.exe 3304 injector.exe 3304 injector.exe 3304 injector.exe 2700 csrss.exe 2700 csrss.exe 3304 injector.exe 3304 injector.exe 2700 csrss.exe 2700 csrss.exe 3304 injector.exe 3304 injector.exe 3304 injector.exe 3304 injector.exe 3304 injector.exe 3304 injector.exe 3304 injector.exe 3304 injector.exe 3304 injector.exe 3304 injector.exe 3304 injector.exe 3304 injector.exe 3304 injector.exe 3304 injector.exe 3304 injector.exe 3304 injector.exe 3304 injector.exe 3304 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4908 powershell.exe Token: SeDebugPrivilege 1236 fb5c5eb64b94fc54f3d3dc7e4aa3b814c471088b16dd3a9c95a9a5b7a3619336.exe Token: SeImpersonatePrivilege 1236 fb5c5eb64b94fc54f3d3dc7e4aa3b814c471088b16dd3a9c95a9a5b7a3619336.exe Token: SeDebugPrivilege 4580 powershell.exe Token: SeDebugPrivilege 864 powershell.exe Token: SeDebugPrivilege 1516 powershell.exe Token: SeDebugPrivilege 744 powershell.exe Token: SeDebugPrivilege 2188 powershell.exe Token: SeDebugPrivilege 1748 powershell.exe Token: SeSystemEnvironmentPrivilege 2700 csrss.exe Token: SeSecurityPrivilege 2288 sc.exe Token: SeSecurityPrivilege 2288 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1236 wrote to memory of 4908 1236 fb5c5eb64b94fc54f3d3dc7e4aa3b814c471088b16dd3a9c95a9a5b7a3619336.exe 87 PID 1236 wrote to memory of 4908 1236 fb5c5eb64b94fc54f3d3dc7e4aa3b814c471088b16dd3a9c95a9a5b7a3619336.exe 87 PID 1236 wrote to memory of 4908 1236 fb5c5eb64b94fc54f3d3dc7e4aa3b814c471088b16dd3a9c95a9a5b7a3619336.exe 87 PID 652 wrote to memory of 4580 652 fb5c5eb64b94fc54f3d3dc7e4aa3b814c471088b16dd3a9c95a9a5b7a3619336.exe 97 PID 652 wrote to memory of 4580 652 fb5c5eb64b94fc54f3d3dc7e4aa3b814c471088b16dd3a9c95a9a5b7a3619336.exe 97 PID 652 wrote to memory of 4580 652 fb5c5eb64b94fc54f3d3dc7e4aa3b814c471088b16dd3a9c95a9a5b7a3619336.exe 97 PID 652 wrote to memory of 860 652 fb5c5eb64b94fc54f3d3dc7e4aa3b814c471088b16dd3a9c95a9a5b7a3619336.exe 101 PID 652 wrote to memory of 860 652 fb5c5eb64b94fc54f3d3dc7e4aa3b814c471088b16dd3a9c95a9a5b7a3619336.exe 101 PID 860 wrote to memory of 2472 860 cmd.exe 103 PID 860 wrote to memory of 2472 860 cmd.exe 103 PID 652 wrote to memory of 864 652 fb5c5eb64b94fc54f3d3dc7e4aa3b814c471088b16dd3a9c95a9a5b7a3619336.exe 104 PID 652 wrote to memory of 864 652 fb5c5eb64b94fc54f3d3dc7e4aa3b814c471088b16dd3a9c95a9a5b7a3619336.exe 104 PID 652 wrote to memory of 864 652 fb5c5eb64b94fc54f3d3dc7e4aa3b814c471088b16dd3a9c95a9a5b7a3619336.exe 104 PID 652 wrote to memory of 1516 652 fb5c5eb64b94fc54f3d3dc7e4aa3b814c471088b16dd3a9c95a9a5b7a3619336.exe 106 PID 652 wrote to memory of 1516 652 fb5c5eb64b94fc54f3d3dc7e4aa3b814c471088b16dd3a9c95a9a5b7a3619336.exe 106 PID 652 wrote to memory of 1516 652 fb5c5eb64b94fc54f3d3dc7e4aa3b814c471088b16dd3a9c95a9a5b7a3619336.exe 106 PID 652 wrote to memory of 2700 652 fb5c5eb64b94fc54f3d3dc7e4aa3b814c471088b16dd3a9c95a9a5b7a3619336.exe 108 PID 652 wrote to memory of 2700 652 fb5c5eb64b94fc54f3d3dc7e4aa3b814c471088b16dd3a9c95a9a5b7a3619336.exe 108 PID 652 wrote to memory of 2700 652 fb5c5eb64b94fc54f3d3dc7e4aa3b814c471088b16dd3a9c95a9a5b7a3619336.exe 108 PID 2700 wrote to memory of 744 2700 csrss.exe 109 PID 2700 wrote to memory of 744 2700 csrss.exe 109 PID 2700 wrote to memory of 744 2700 csrss.exe 109 PID 2700 wrote to memory of 2188 2700 csrss.exe 115 PID 2700 wrote to memory of 2188 2700 csrss.exe 115 PID 2700 wrote to memory of 2188 2700 csrss.exe 115 PID 2700 wrote to memory of 1748 2700 csrss.exe 117 PID 2700 wrote to memory of 1748 2700 csrss.exe 117 PID 2700 wrote to memory of 1748 2700 csrss.exe 117 PID 2700 wrote to memory of 3304 2700 csrss.exe 119 PID 2700 wrote to memory of 3304 2700 csrss.exe 119 PID 2480 wrote to memory of 1492 2480 windefender.exe 126 PID 2480 wrote to memory of 1492 2480 windefender.exe 126 PID 2480 wrote to memory of 1492 2480 windefender.exe 126 PID 1492 wrote to memory of 2288 1492 cmd.exe 127 PID 1492 wrote to memory of 2288 1492 cmd.exe 127 PID 1492 wrote to memory of 2288 1492 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\fb5c5eb64b94fc54f3d3dc7e4aa3b814c471088b16dd3a9c95a9a5b7a3619336.exe"C:\Users\Admin\AppData\Local\Temp\fb5c5eb64b94fc54f3d3dc7e4aa3b814c471088b16dd3a9c95a9a5b7a3619336.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1236 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4908
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C:\Users\Admin\AppData\Local\Temp\fb5c5eb64b94fc54f3d3dc7e4aa3b814c471088b16dd3a9c95a9a5b7a3619336.exe"C:\Users\Admin\AppData\Local\Temp\fb5c5eb64b94fc54f3d3dc7e4aa3b814c471088b16dd3a9c95a9a5b7a3619336.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:652 -
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:4580
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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:860 -
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:2472
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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:864
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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:1516
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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:2700 -
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:744
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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:1420
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:60
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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:2188
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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:1748
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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:3304
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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:3644
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2480 -
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:1492 -
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:2288
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:852
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
MD5b6682ca404b9375d62b53d9dc38beb2c
SHA189ea0532495fa0543fd2d4f5deb10c361ee590dc
SHA256bb4b25f93aed0b76814810df84596911fb53f4140d293aac9b80126084fa5d9b
SHA51295a156ce274481deb49e70fe2539f9e821a45573ba33a63807c2f00a0a4b2f21286ccd2cac73a9d01aed2befabe78962743176041ea4cc3efbf03988d3f77202
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5bd602ccb1c77638d4e0a14d81fa71d0d
SHA13bb71381f3277444ea01ff856a490c81fe9811c9
SHA256d456cd64751327fdad4d210ad93f42be39bac9cb997ea5d6723209e68fe5d35b
SHA5124eafd3c3d5b7ed60f26e68fab2e00ae4d2e6e4c83224c7cbdfc01fb93f5500fd00f99f886a995c9e1a621502dd9b30df21b63da208dbeb9612ed95d0e0880d8c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e26db4fab96445fbc2d8face64d15bb3
SHA1141f97e76792f5af7fba2dc121cf58ff32ed36a0
SHA256d8dee33ee711b8d08dfbb524978bf9264034269a75dc3067796ecae658a3953b
SHA512b733128016b0b5e4e581bae130de397a40d12d16b09126df5e6184f4b73f8f3e92a4b8e237dcc6356e147182e5b84c928ab0946e640f5e3317164c00b9fd8e56
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5fdbc9c12b06a7a2eae668a9f059df9e8
SHA1fc930299813c77b7e21d4563118afe29ceda8f26
SHA256a342152777caf5d66986e18a5a8922398ba691a5640f6d0c513e178b37f8b827
SHA512c211d062ce48f4a646f0a1ac246557e21f28114645fdff6c55236d50519de617eea53cb4af2c41bc00e60e45f381699dfef399701bf383d0f7b7f97bf873795c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53e2fdff09e9761346d5d007dfbc20085
SHA102c78c0c0e0849fa1b0149b256e4398b4e82e8e7
SHA256f42eb9b8f0f74bd041d1257d86305bce95a291dfa332d155ed84b8d91c9f7b92
SHA5120649d15265cfcc9eaad6a0e0ae730510e86d100bca028d4a00dcab0a8aa128f96053aa3b2776cd97f3455fdd980ec607ce8040c557740691dbcf5337a18d8a71
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Filesize
4.1MB
MD51d376613cf4eaa65ecfb1c8fc808cb56
SHA14145872c7772abd537e707d2217cd71010140bae
SHA256fb5c5eb64b94fc54f3d3dc7e4aa3b814c471088b16dd3a9c95a9a5b7a3619336
SHA512262d3c00e2f28c65b73814bb28787b8fd00461162edf58bb5a6d35dd0e91706becc0841898597b25d6985895cb1b1313581413517be00d5002e683c7a11ca88d
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec