Analysis
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max time kernel
150s -
max time network
150s -
platform
windows11-21h2_x64 -
resource
win11-20240419-en -
resource tags
arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system -
submitted
19-05-2024 08:59
Static task
static1
Behavioral task
behavioral1
Sample
32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe
Resource
win10v2004-20240426-en
General
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Target
32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe
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Size
4.1MB
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MD5
84e26c2043049ad15f5c75ae56221b40
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SHA1
b410d83980e463db075f2acab3ae2eecdc438d70
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SHA256
32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9
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SHA512
530830641ca74fcb5f35388067268b4334a623a0eb945af01a0a1a95faed19bbf3ce57802bcbaa503bd728ee61d8b3bed03e5a8ba0248620a530c9e984be2086
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SSDEEP
98304:gvCQaDBnSWO/B+XxjapSyZlG1PnsYHdaWgIg92gsnC3bzMZh6P16:gvC3DFSWO/BjYGk1PnXHoWWZ1za6N6
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/2332-2-0x0000000004670000-0x0000000004F5B000-memory.dmp family_glupteba behavioral2/memory/2332-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2332-53-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2332-54-0x0000000004670000-0x0000000004F5B000-memory.dmp family_glupteba behavioral2/memory/2332-51-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral2/memory/776-126-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral2/memory/1752-204-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral2/memory/1752-214-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral2/memory/1752-215-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral2/memory/1752-217-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral2/memory/1752-220-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral2/memory/1752-222-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral2/memory/1752-223-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral2/memory/1752-225-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral2/memory/1752-228-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral2/memory/1752-230-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral2/memory/1752-231-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral2/memory/1752-234-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral2/memory/1752-236-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 396 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1752 csrss.exe 4844 injector.exe 896 windefender.exe 740 windefender.exe -
resource yara_rule behavioral2/files/0x001a00000002ab42-207.dat upx behavioral2/memory/896-208-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/740-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/896-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/740-216-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/740-219-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe Set value (str) \REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000\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\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 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 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe File created C:\Windows\rss\csrss.exe 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.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 1112 sc.exe -
pid Process 1520 powershell.exe 1372 powershell.exe 1716 powershell.exe 5116 powershell.exe 240 powershell.exe 2276 powershell.exe 2780 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 5048 schtasks.exe 4660 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,-232 = "Hawaiian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2892 = "Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time" 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time" 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time" 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time" 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time" 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time" 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2771 = "Omsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time" 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time" 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time" 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.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\@tzres.dll,-261 = "GMT Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1871 = "Russia TZ 7 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\@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time" 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2791 = "Novosibirsk Daylight Time" 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time" 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1872 = "Russia TZ 7 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.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,-532 = "Sri Lanka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-692 = "Tasmania Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time" 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time" 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 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,-111 = "Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time" 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\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,-252 = "Dateline Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2141 = "Transbaikal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-449 = "Azerbaijan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-541 = "Myanmar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time" 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)" 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time" 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.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,-462 = "Afghanistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-401 = "Arabic 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" 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs 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,-222 = "Alaskan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time" 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time" 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-832 = "SA Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time" 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time" 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time" 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-381 = "South Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-631 = "Tokyo Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2276 powershell.exe 2276 powershell.exe 2332 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe 2332 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe 2780 powershell.exe 2780 powershell.exe 776 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe 776 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe 776 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe 776 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe 776 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe 776 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe 776 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe 776 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe 776 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe 776 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe 1520 powershell.exe 1520 powershell.exe 1372 powershell.exe 1372 powershell.exe 1716 powershell.exe 1716 powershell.exe 5116 powershell.exe 5116 powershell.exe 240 powershell.exe 240 powershell.exe 4844 injector.exe 4844 injector.exe 4844 injector.exe 4844 injector.exe 4844 injector.exe 4844 injector.exe 1752 csrss.exe 1752 csrss.exe 4844 injector.exe 4844 injector.exe 4844 injector.exe 4844 injector.exe 4844 injector.exe 4844 injector.exe 1752 csrss.exe 1752 csrss.exe 4844 injector.exe 4844 injector.exe 1752 csrss.exe 1752 csrss.exe 4844 injector.exe 4844 injector.exe 4844 injector.exe 4844 injector.exe 4844 injector.exe 4844 injector.exe 4844 injector.exe 4844 injector.exe 4844 injector.exe 4844 injector.exe 4844 injector.exe 4844 injector.exe 4844 injector.exe 4844 injector.exe 4844 injector.exe 4844 injector.exe 4844 injector.exe 4844 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2276 powershell.exe Token: SeDebugPrivilege 2332 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe Token: SeImpersonatePrivilege 2332 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe Token: SeDebugPrivilege 2780 powershell.exe Token: SeDebugPrivilege 1520 powershell.exe Token: SeDebugPrivilege 1372 powershell.exe Token: SeDebugPrivilege 1716 powershell.exe Token: SeDebugPrivilege 5116 powershell.exe Token: SeDebugPrivilege 240 powershell.exe Token: SeSystemEnvironmentPrivilege 1752 csrss.exe Token: SeSecurityPrivilege 1112 sc.exe Token: SeSecurityPrivilege 1112 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2332 wrote to memory of 2276 2332 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe 81 PID 2332 wrote to memory of 2276 2332 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe 81 PID 2332 wrote to memory of 2276 2332 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe 81 PID 776 wrote to memory of 2780 776 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe 86 PID 776 wrote to memory of 2780 776 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe 86 PID 776 wrote to memory of 2780 776 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe 86 PID 776 wrote to memory of 1112 776 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe 88 PID 776 wrote to memory of 1112 776 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe 88 PID 1112 wrote to memory of 396 1112 cmd.exe 90 PID 1112 wrote to memory of 396 1112 cmd.exe 90 PID 776 wrote to memory of 1520 776 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe 91 PID 776 wrote to memory of 1520 776 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe 91 PID 776 wrote to memory of 1520 776 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe 91 PID 776 wrote to memory of 1372 776 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe 93 PID 776 wrote to memory of 1372 776 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe 93 PID 776 wrote to memory of 1372 776 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe 93 PID 776 wrote to memory of 1752 776 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe 95 PID 776 wrote to memory of 1752 776 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe 95 PID 776 wrote to memory of 1752 776 32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe 95 PID 1752 wrote to memory of 1716 1752 csrss.exe 96 PID 1752 wrote to memory of 1716 1752 csrss.exe 96 PID 1752 wrote to memory of 1716 1752 csrss.exe 96 PID 1752 wrote to memory of 5116 1752 csrss.exe 100 PID 1752 wrote to memory of 5116 1752 csrss.exe 100 PID 1752 wrote to memory of 5116 1752 csrss.exe 100 PID 1752 wrote to memory of 240 1752 csrss.exe 104 PID 1752 wrote to memory of 240 1752 csrss.exe 104 PID 1752 wrote to memory of 240 1752 csrss.exe 104 PID 1752 wrote to memory of 4844 1752 csrss.exe 106 PID 1752 wrote to memory of 4844 1752 csrss.exe 106 PID 896 wrote to memory of 3436 896 windefender.exe 112 PID 896 wrote to memory of 3436 896 windefender.exe 112 PID 896 wrote to memory of 3436 896 windefender.exe 112 PID 3436 wrote to memory of 1112 3436 cmd.exe 113 PID 3436 wrote to memory of 1112 3436 cmd.exe 113 PID 3436 wrote to memory of 1112 3436 cmd.exe 113 -
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\32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe"C:\Users\Admin\AppData\Local\Temp\32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2332 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2276
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C:\Users\Admin\AppData\Local\Temp\32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.exe"C:\Users\Admin\AppData\Local\Temp\32822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9.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:776 -
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:2780
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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:1112 -
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:396
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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:1520
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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:1372
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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:1752 -
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:1716
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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:5048
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4800
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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:5116
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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:240
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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:4844
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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:4660
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:896 -
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:3436 -
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:1112
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:740
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
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5cba4c15cc11b7325ece8b287aa67a51b
SHA10bdb5389a73dfead948e9f43c9200a265b2ad2d5
SHA256b9c34b7528f7e7345ac4b2fbf343ac46ce53d48a62f9a19a458fa819e2528a31
SHA512ea61136df84cf283c08355cd5697d550e9e6f71dca13d9f9d19154582aac4c76b32f0e15db17c7e130655ba8296599cfeafbeffeb63a6dd14cf35a66236e7fc9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5cdfacf5f1739d83b4c0706bef33258c3
SHA1edbdd6cf6fc225516e02cecbd7219a786ab31bd5
SHA2563a62c79a588a9445fbfbe8de776ff163310b5cd201082a29606c0e0b5a5f4a77
SHA5125acdcbca62313459888214ce5d8c5831fa8f71e8eb821725219fabcf83fe8c8ebef26d3d437ef9ebd60264fa1825663d40ad50b609f4a381d5767547962d3123
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD522ef5bf175df950c5e38017faa66b33b
SHA1b8274a90bf1eef5ff252103db81d762794e5da48
SHA2560f5b0628f75dbe25ec32054dc505ad605bb7a121d012a83f5a07f0ba1c3c6a8a
SHA512ad425495df8ed2071cdfda5b64ea21f8369be2f52ed7b76b5ad0d0df98902f91680be8fd982a0882851878500062d14385b0dce894df31be8b98728756bd9202
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f531ff3d069c18ca9c6b396516da3b4e
SHA1407d6c4eed73c1c9cb113958a9337fb35eb72fec
SHA256179e576bbe04a5203f5765b20c9feb09e4d49b8feb982fed599f9f1b93bae27c
SHA5129824f510ecea68ce92f4deb4d7e91ff71942eea05f5884b3d1e09c4ec6e7ee920d92b9a5debc3f1dc112a60c29736870b867ffff81538bedf04a1ca501fded9c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ea0af4f362acbf32c4376f040eb51b8a
SHA1bd940dc326856f60fe54034ed9060133d30aefd9
SHA256683bf47093cd5c66e2c25339a3a42a8613429bf7f92ecaea38d7178ee7b111e4
SHA512c135ac1f1ee6a6bcffb6dde0212580101f494b89803c7375f5185ef68fa700d8f135b4c81a296872e8cf05793d4672f7035c6b6ba1d9dde90cf781b39ca48ca4
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Filesize
4.1MB
MD584e26c2043049ad15f5c75ae56221b40
SHA1b410d83980e463db075f2acab3ae2eecdc438d70
SHA25632822069ca4b04e0dfcfe09bb9c8ceca6041db4967795d522cbc60915a5589e9
SHA512530830641ca74fcb5f35388067268b4334a623a0eb945af01a0a1a95faed19bbf3ce57802bcbaa503bd728ee61d8b3bed03e5a8ba0248620a530c9e984be2086
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec