Analysis
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max time kernel
150s -
max time network
151s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
19-05-2024 09:06
Static task
static1
Behavioral task
behavioral1
Sample
2ed418885d343e43dc3116263112ecbdd4fd99c55ed309c3c3c8b5a48c0745b5.exe
Resource
win10v2004-20240508-en
General
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Target
2ed418885d343e43dc3116263112ecbdd4fd99c55ed309c3c3c8b5a48c0745b5.exe
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Size
4.1MB
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MD5
d460c7f33665c26f15f7bb72e7fc1413
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SHA1
2f76a26ee4c295b6d542b93d68f1a6e248321781
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SHA256
2ed418885d343e43dc3116263112ecbdd4fd99c55ed309c3c3c8b5a48c0745b5
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SHA512
2183d350c247c1f88512ddb9ba49f985e1e39afe973b8c683d1ffab145946dde89956af11c56e4424f4c0be1297f78d1b33cc169946d3506de270ad8f6a940a5
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SSDEEP
98304:QvCQaDBnSWO/B+XxjapSyZlG1PnsYHdaWgIg92gsnC3bzMZh6P1b:QvC3DFSWO/BjYGk1PnXHoWWZ1za6Nb
Malware Config
Signatures
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Glupteba payload 19 IoCs
Processes:
resource yara_rule behavioral2/memory/1632-2-0x0000000004530000-0x0000000004E1B000-memory.dmp family_glupteba behavioral2/memory/1632-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1632-53-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1632-54-0x0000000004530000-0x0000000004E1B000-memory.dmp family_glupteba behavioral2/memory/1632-51-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral2/memory/3560-126-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral2/memory/4108-205-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral2/memory/4108-214-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral2/memory/4108-215-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral2/memory/4108-218-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral2/memory/4108-219-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral2/memory/4108-222-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral2/memory/4108-224-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral2/memory/4108-226-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral2/memory/4108-227-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral2/memory/4108-229-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral2/memory/4108-232-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral2/memory/4108-234-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral2/memory/4108-235-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 3732 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 4108 csrss.exe 4604 injector.exe 2028 windefender.exe 744 windefender.exe -
Processes:
resource yara_rule behavioral2/files/0x000200000002aa39-208.dat upx behavioral2/memory/2028-209-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2028-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/744-216-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/744-220-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
csrss.exe2ed418885d343e43dc3116263112ecbdd4fd99c55ed309c3c3c8b5a48c0745b5.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2994005945-4089876968-1367784197-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-2994005945-4089876968-1367784197-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 2ed418885d343e43dc3116263112ecbdd4fd99c55ed309c3c3c8b5a48c0745b5.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.
Processes:
csrss.exedescription ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription 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.
Processes:
2ed418885d343e43dc3116263112ecbdd4fd99c55ed309c3c3c8b5a48c0745b5.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN 2ed418885d343e43dc3116263112ecbdd4fd99c55ed309c3c3c8b5a48c0745b5.exe -
Drops file in Windows directory 4 IoCs
Processes:
2ed418885d343e43dc3116263112ecbdd4fd99c55ed309c3c3c8b5a48c0745b5.execsrss.exedescription ioc Process File opened for modification C:\Windows\rss 2ed418885d343e43dc3116263112ecbdd4fd99c55ed309c3c3c8b5a48c0745b5.exe File created C:\Windows\rss\csrss.exe 2ed418885d343e43dc3116263112ecbdd4fd99c55ed309c3c3c8b5a48c0745b5.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.
Processes:
sc.exepid Process 2620 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 1924 powershell.exe 2884 powershell.exe 240 powershell.exe 3292 powershell.exe 4260 powershell.exe 4324 powershell.exe 4408 powershell.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exepid Process 4684 schtasks.exe 3884 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
2ed418885d343e43dc3116263112ecbdd4fd99c55ed309c3c3c8b5a48c0745b5.exepowershell.exepowershell.exewindefender.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time" 2ed418885d343e43dc3116263112ecbdd4fd99c55ed309c3c3c8b5a48c0745b5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-511 = "Central Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-41 = "E. South America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-262 = "GMT Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-742 = "New Zealand Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2941 = "Sao Tome Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time" 2ed418885d343e43dc3116263112ecbdd4fd99c55ed309c3c3c8b5a48c0745b5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time" 2ed418885d343e43dc3116263112ecbdd4fd99c55ed309c3c3c8b5a48c0745b5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" 2ed418885d343e43dc3116263112ecbdd4fd99c55ed309c3c3c8b5a48c0745b5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time" 2ed418885d343e43dc3116263112ecbdd4fd99c55ed309c3c3c8b5a48c0745b5.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,-82 = "Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1971 = "Belarus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-662 = "Cen. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-192 = "Mountain Standard 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" 2ed418885d343e43dc3116263112ecbdd4fd99c55ed309c3c3c8b5a48c0745b5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" 2ed418885d343e43dc3116263112ecbdd4fd99c55ed309c3c3c8b5a48c0745b5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time" 2ed418885d343e43dc3116263112ecbdd4fd99c55ed309c3c3c8b5a48c0745b5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" 2ed418885d343e43dc3116263112ecbdd4fd99c55ed309c3c3c8b5a48c0745b5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-132 = "US Eastern Standard 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)" 2ed418885d343e43dc3116263112ecbdd4fd99c55ed309c3c3c8b5a48c0745b5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time" 2ed418885d343e43dc3116263112ecbdd4fd99c55ed309c3c3c8b5a48c0745b5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time" 2ed418885d343e43dc3116263112ecbdd4fd99c55ed309c3c3c8b5a48c0745b5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.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\C:\Windows\system32\,@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" 2ed418885d343e43dc3116263112ecbdd4fd99c55ed309c3c3c8b5a48c0745b5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" 2ed418885d343e43dc3116263112ecbdd4fd99c55ed309c3c3c8b5a48c0745b5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time" 2ed418885d343e43dc3116263112ecbdd4fd99c55ed309c3c3c8b5a48c0745b5.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,-751 = "Tonga Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time" 2ed418885d343e43dc3116263112ecbdd4fd99c55ed309c3c3c8b5a48c0745b5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" 2ed418885d343e43dc3116263112ecbdd4fd99c55ed309c3c3c8b5a48c0745b5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time" 2ed418885d343e43dc3116263112ecbdd4fd99c55ed309c3c3c8b5a48c0745b5.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,-434 = "Georgian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-691 = "Tasmania 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" 2ed418885d343e43dc3116263112ecbdd4fd99c55ed309c3c3c8b5a48c0745b5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-412 = "E. Africa Standard Time" 2ed418885d343e43dc3116263112ecbdd4fd99c55ed309c3c3c8b5a48c0745b5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.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,-2181 = "Astrakhan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1842 = "Russia TZ 4 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time" 2ed418885d343e43dc3116263112ecbdd4fd99c55ed309c3c3c8b5a48c0745b5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time" 2ed418885d343e43dc3116263112ecbdd4fd99c55ed309c3c3c8b5a48c0745b5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" 2ed418885d343e43dc3116263112ecbdd4fd99c55ed309c3c3c8b5a48c0745b5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1021 = "Bangladesh Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time" 2ed418885d343e43dc3116263112ecbdd4fd99c55ed309c3c3c8b5a48c0745b5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2592 = "Tocantins Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-631 = "Tokyo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-932 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" 2ed418885d343e43dc3116263112ecbdd4fd99c55ed309c3c3c8b5a48c0745b5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-272 = "Greenwich Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-982 = "Kamchatka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time" 2ed418885d343e43dc3116263112ecbdd4fd99c55ed309c3c3c8b5a48c0745b5.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe2ed418885d343e43dc3116263112ecbdd4fd99c55ed309c3c3c8b5a48c0745b5.exepowershell.exe2ed418885d343e43dc3116263112ecbdd4fd99c55ed309c3c3c8b5a48c0745b5.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 1924 powershell.exe 1924 powershell.exe 1632 2ed418885d343e43dc3116263112ecbdd4fd99c55ed309c3c3c8b5a48c0745b5.exe 1632 2ed418885d343e43dc3116263112ecbdd4fd99c55ed309c3c3c8b5a48c0745b5.exe 2884 powershell.exe 2884 powershell.exe 3560 2ed418885d343e43dc3116263112ecbdd4fd99c55ed309c3c3c8b5a48c0745b5.exe 3560 2ed418885d343e43dc3116263112ecbdd4fd99c55ed309c3c3c8b5a48c0745b5.exe 3560 2ed418885d343e43dc3116263112ecbdd4fd99c55ed309c3c3c8b5a48c0745b5.exe 3560 2ed418885d343e43dc3116263112ecbdd4fd99c55ed309c3c3c8b5a48c0745b5.exe 3560 2ed418885d343e43dc3116263112ecbdd4fd99c55ed309c3c3c8b5a48c0745b5.exe 3560 2ed418885d343e43dc3116263112ecbdd4fd99c55ed309c3c3c8b5a48c0745b5.exe 3560 2ed418885d343e43dc3116263112ecbdd4fd99c55ed309c3c3c8b5a48c0745b5.exe 3560 2ed418885d343e43dc3116263112ecbdd4fd99c55ed309c3c3c8b5a48c0745b5.exe 3560 2ed418885d343e43dc3116263112ecbdd4fd99c55ed309c3c3c8b5a48c0745b5.exe 3560 2ed418885d343e43dc3116263112ecbdd4fd99c55ed309c3c3c8b5a48c0745b5.exe 240 powershell.exe 240 powershell.exe 3292 powershell.exe 3292 powershell.exe 4260 powershell.exe 4260 powershell.exe 4324 powershell.exe 4324 powershell.exe 4408 powershell.exe 4408 powershell.exe 4604 injector.exe 4604 injector.exe 4604 injector.exe 4604 injector.exe 4604 injector.exe 4604 injector.exe 4108 csrss.exe 4108 csrss.exe 4604 injector.exe 4604 injector.exe 4604 injector.exe 4604 injector.exe 4604 injector.exe 4604 injector.exe 4108 csrss.exe 4108 csrss.exe 4604 injector.exe 4604 injector.exe 4604 injector.exe 4604 injector.exe 4108 csrss.exe 4108 csrss.exe 4604 injector.exe 4604 injector.exe 4604 injector.exe 4604 injector.exe 4604 injector.exe 4604 injector.exe 4604 injector.exe 4604 injector.exe 4604 injector.exe 4604 injector.exe 4604 injector.exe 4604 injector.exe 4604 injector.exe 4604 injector.exe 4604 injector.exe 4604 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe2ed418885d343e43dc3116263112ecbdd4fd99c55ed309c3c3c8b5a48c0745b5.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 1924 powershell.exe Token: SeDebugPrivilege 1632 2ed418885d343e43dc3116263112ecbdd4fd99c55ed309c3c3c8b5a48c0745b5.exe Token: SeImpersonatePrivilege 1632 2ed418885d343e43dc3116263112ecbdd4fd99c55ed309c3c3c8b5a48c0745b5.exe Token: SeDebugPrivilege 2884 powershell.exe Token: SeDebugPrivilege 240 powershell.exe Token: SeDebugPrivilege 3292 powershell.exe Token: SeDebugPrivilege 4260 powershell.exe Token: SeDebugPrivilege 4324 powershell.exe Token: SeDebugPrivilege 4408 powershell.exe Token: SeSystemEnvironmentPrivilege 4108 csrss.exe Token: SeSecurityPrivilege 2620 sc.exe Token: SeSecurityPrivilege 2620 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
2ed418885d343e43dc3116263112ecbdd4fd99c55ed309c3c3c8b5a48c0745b5.exe2ed418885d343e43dc3116263112ecbdd4fd99c55ed309c3c3c8b5a48c0745b5.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 1632 wrote to memory of 1924 1632 2ed418885d343e43dc3116263112ecbdd4fd99c55ed309c3c3c8b5a48c0745b5.exe 82 PID 1632 wrote to memory of 1924 1632 2ed418885d343e43dc3116263112ecbdd4fd99c55ed309c3c3c8b5a48c0745b5.exe 82 PID 1632 wrote to memory of 1924 1632 2ed418885d343e43dc3116263112ecbdd4fd99c55ed309c3c3c8b5a48c0745b5.exe 82 PID 3560 wrote to memory of 2884 3560 2ed418885d343e43dc3116263112ecbdd4fd99c55ed309c3c3c8b5a48c0745b5.exe 87 PID 3560 wrote to memory of 2884 3560 2ed418885d343e43dc3116263112ecbdd4fd99c55ed309c3c3c8b5a48c0745b5.exe 87 PID 3560 wrote to memory of 2884 3560 2ed418885d343e43dc3116263112ecbdd4fd99c55ed309c3c3c8b5a48c0745b5.exe 87 PID 3560 wrote to memory of 3140 3560 2ed418885d343e43dc3116263112ecbdd4fd99c55ed309c3c3c8b5a48c0745b5.exe 89 PID 3560 wrote to memory of 3140 3560 2ed418885d343e43dc3116263112ecbdd4fd99c55ed309c3c3c8b5a48c0745b5.exe 89 PID 3140 wrote to memory of 3732 3140 cmd.exe 91 PID 3140 wrote to memory of 3732 3140 cmd.exe 91 PID 3560 wrote to memory of 240 3560 2ed418885d343e43dc3116263112ecbdd4fd99c55ed309c3c3c8b5a48c0745b5.exe 92 PID 3560 wrote to memory of 240 3560 2ed418885d343e43dc3116263112ecbdd4fd99c55ed309c3c3c8b5a48c0745b5.exe 92 PID 3560 wrote to memory of 240 3560 2ed418885d343e43dc3116263112ecbdd4fd99c55ed309c3c3c8b5a48c0745b5.exe 92 PID 3560 wrote to memory of 3292 3560 2ed418885d343e43dc3116263112ecbdd4fd99c55ed309c3c3c8b5a48c0745b5.exe 94 PID 3560 wrote to memory of 3292 3560 2ed418885d343e43dc3116263112ecbdd4fd99c55ed309c3c3c8b5a48c0745b5.exe 94 PID 3560 wrote to memory of 3292 3560 2ed418885d343e43dc3116263112ecbdd4fd99c55ed309c3c3c8b5a48c0745b5.exe 94 PID 3560 wrote to memory of 4108 3560 2ed418885d343e43dc3116263112ecbdd4fd99c55ed309c3c3c8b5a48c0745b5.exe 96 PID 3560 wrote to memory of 4108 3560 2ed418885d343e43dc3116263112ecbdd4fd99c55ed309c3c3c8b5a48c0745b5.exe 96 PID 3560 wrote to memory of 4108 3560 2ed418885d343e43dc3116263112ecbdd4fd99c55ed309c3c3c8b5a48c0745b5.exe 96 PID 4108 wrote to memory of 4260 4108 csrss.exe 97 PID 4108 wrote to memory of 4260 4108 csrss.exe 97 PID 4108 wrote to memory of 4260 4108 csrss.exe 97 PID 4108 wrote to memory of 4324 4108 csrss.exe 103 PID 4108 wrote to memory of 4324 4108 csrss.exe 103 PID 4108 wrote to memory of 4324 4108 csrss.exe 103 PID 4108 wrote to memory of 4408 4108 csrss.exe 105 PID 4108 wrote to memory of 4408 4108 csrss.exe 105 PID 4108 wrote to memory of 4408 4108 csrss.exe 105 PID 4108 wrote to memory of 4604 4108 csrss.exe 107 PID 4108 wrote to memory of 4604 4108 csrss.exe 107 PID 2028 wrote to memory of 2784 2028 windefender.exe 113 PID 2028 wrote to memory of 2784 2028 windefender.exe 113 PID 2028 wrote to memory of 2784 2028 windefender.exe 113 PID 2784 wrote to memory of 2620 2784 cmd.exe 114 PID 2784 wrote to memory of 2620 2784 cmd.exe 114 PID 2784 wrote to memory of 2620 2784 cmd.exe 114 -
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\2ed418885d343e43dc3116263112ecbdd4fd99c55ed309c3c3c8b5a48c0745b5.exe"C:\Users\Admin\AppData\Local\Temp\2ed418885d343e43dc3116263112ecbdd4fd99c55ed309c3c3c8b5a48c0745b5.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1632 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1924
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C:\Users\Admin\AppData\Local\Temp\2ed418885d343e43dc3116263112ecbdd4fd99c55ed309c3c3c8b5a48c0745b5.exe"C:\Users\Admin\AppData\Local\Temp\2ed418885d343e43dc3116263112ecbdd4fd99c55ed309c3c3c8b5a48c0745b5.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:3560 -
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:2884
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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:3140 -
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:3732
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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:240
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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:3292
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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:4108 -
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:4260
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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:4684
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2844
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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:4324
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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:4408
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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:4604
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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:3884
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2028 -
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:2784 -
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:2620
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:744
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
MD5815b199557c66547695e13ff802c8d98
SHA1c614c28f758ffdcb0e58e61626c8269c5d9e7fd9
SHA256d5a6fe05d74c57405d4cf495d649bf0b4d6a75ad5d5c2d4d917d43e18a89a8bf
SHA5128cbebbf88f4e53832a18194351fc5545c468335beb32770f29bf7eb13854f1ac6c6432d3aad16e15e06052cb24e873d15c56cd8519a5ea8b35e766d52b7fb35d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5caa97fe04fa165f630382b6ba0eb4627
SHA17584b7a71ff46dc8d17eaa7b372fc52cb5e3966f
SHA2568fd5b06c324721ddb21186f3391c8cf458bf07f28a65b619acb2e65058451763
SHA512753657474670daa452fb2c442da5e4c242b44252b985ded3d224256231cdd9d42e1746dddf3874fe04777c31de01ccf0e03ca633bf7cb81169cdd115228639c8
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD577c64484f84387e317f82034f03cf4dc
SHA1482cfd0161c07da485665a89e8c03bd14519f67c
SHA256789b967a4a81b535e7010d4402ef1d00cf6deaaaf90e77a4813ea6c527383547
SHA512a3bd761cd474d12cbbeef23f087ce9e16671407916f5250177e1da3bf7fdd157784d4ea018dc8173e2673158171108267e4eb64057f09a88470006b29b3cb339
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52f58de62169b92f5ea99d3c1136fa0af
SHA1c3dc3cd89d141a33c030bc14f6a0205d7d523490
SHA256b9d301abdad2742235c25e1adf7d642c714f9c882acdfc596b7e39c34e8c941e
SHA512724721d5cf614f32411f8f3a7008c47421f9bea5c614a7e3aa7edb4e63a682efd9a67cbc982db99b67f8007b337d6bd0595516159f5d97761b9c87163ba42c6c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5bf641836217a8e0d7aa911564bad3d00
SHA19386f429bfb82d613d707961fe9c44268e818a03
SHA25640f5297a4a9f7042882eef8724519a63f1aaa0b0f1ab92daaf15a5fc09776512
SHA512bda51d158361cc903d034271cd9a8861c3c234cec8b1fbfe77eb32826cd0cd1a9deeb223dd2f352fdafd7de993d7978e402324cd6c5ee4b834b95919d29aa740
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Filesize
4.1MB
MD5d460c7f33665c26f15f7bb72e7fc1413
SHA12f76a26ee4c295b6d542b93d68f1a6e248321781
SHA2562ed418885d343e43dc3116263112ecbdd4fd99c55ed309c3c3c8b5a48c0745b5
SHA5122183d350c247c1f88512ddb9ba49f985e1e39afe973b8c683d1ffab145946dde89956af11c56e4424f4c0be1297f78d1b33cc169946d3506de270ad8f6a940a5
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec