Analysis
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max time kernel
149s -
max time network
150s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
11-05-2024 09:09
Static task
static1
Behavioral task
behavioral1
Sample
288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exe
Resource
win10v2004-20240508-en
General
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Target
288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exe
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Size
4.1MB
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MD5
ff1bdf87819ce90f7973cdd40a3c8453
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SHA1
b798343f812189cfa88d335c56ad221983e5807e
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SHA256
288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b
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SHA512
48867edc7e114b75c951a0f5020ff819c9bf6d83965cdcfb851cf3986df74734a84ac1d660982fbe029d30cf28c3acf30adb78155206b620fea14efe037b5ac5
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SSDEEP
98304:gErTbmYqgZ1XudKeC70JrifsEkbyxLCxltfr4Ppsv6xaCIT:TD1Z1UwAUfrk2xOxPr4PpsvyaCIT
Malware Config
Signatures
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Glupteba payload 19 IoCs
Processes:
resource yara_rule behavioral2/memory/224-2-0x0000000004A70000-0x000000000535B000-memory.dmp family_glupteba behavioral2/memory/224-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/224-52-0x0000000000400000-0x000000000295D000-memory.dmp family_glupteba behavioral2/memory/224-83-0x0000000004A70000-0x000000000535B000-memory.dmp family_glupteba behavioral2/memory/4456-116-0x0000000000400000-0x000000000295D000-memory.dmp family_glupteba behavioral2/memory/4456-121-0x0000000000400000-0x000000000295D000-memory.dmp family_glupteba behavioral2/memory/224-123-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4004-191-0x0000000000400000-0x000000000295D000-memory.dmp family_glupteba behavioral2/memory/4004-201-0x0000000000400000-0x000000000295D000-memory.dmp family_glupteba behavioral2/memory/4004-209-0x0000000000400000-0x000000000295D000-memory.dmp family_glupteba behavioral2/memory/4004-212-0x0000000000400000-0x000000000295D000-memory.dmp family_glupteba behavioral2/memory/4004-215-0x0000000000400000-0x000000000295D000-memory.dmp family_glupteba behavioral2/memory/4004-218-0x0000000000400000-0x000000000295D000-memory.dmp family_glupteba behavioral2/memory/4004-221-0x0000000000400000-0x000000000295D000-memory.dmp family_glupteba behavioral2/memory/4004-224-0x0000000000400000-0x000000000295D000-memory.dmp family_glupteba behavioral2/memory/4004-227-0x0000000000400000-0x000000000295D000-memory.dmp family_glupteba behavioral2/memory/4004-230-0x0000000000400000-0x000000000295D000-memory.dmp family_glupteba behavioral2/memory/4004-233-0x0000000000400000-0x000000000295D000-memory.dmp family_glupteba behavioral2/memory/4004-236-0x0000000000400000-0x000000000295D000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 3972 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid process 4004 csrss.exe 1224 injector.exe 948 windefender.exe 2120 windefender.exe -
Processes:
resource yara_rule C:\Windows\windefender.exe upx behavioral2/memory/948-202-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2120-205-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/948-207-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2120-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2120-216-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.execsrss.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3001105534-2705918504-2956618779-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exe Set value (str) \REGISTRY\USER\S-1-5-21-3001105534-2705918504-2956618779-1000\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.
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 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.
Processes:
288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exedescription ioc process File opened (read-only) \??\VBoxMiniRdrDN 288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exe -
Drops file in Windows directory 4 IoCs
Processes:
csrss.exe288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exedescription 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 288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exe File created C:\Windows\rss\csrss.exe 288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
Processes:
sc.exepid process 1856 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid process 4832 powershell.exe 4228 powershell.exe 2328 powershell.exe 4024 powershell.exe 4516 powershell.exe 2960 powershell.exe 2880 powershell.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 1440 2328 WerFault.exe 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 4092 schtasks.exe 4264 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
windefender.exe288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-281 = "Central Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" 288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" 288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time" 288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-461 = "Afghanistan Daylight Time" windefender.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\@tzres.dll,-681 = "E. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2512 = "Lord Howe Standard 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\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time" 288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" 288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-592 = "Malay Peninsula Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-531 = "Sri Lanka Daylight 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,-1502 = "Turkey Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust 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,-11 = "Azores Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-352 = "FLE Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time" 288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-215 = "Pacific Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2451 = "Saint Pierre Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time" 288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2571 = "Turks and Caicos Daylight Time" 288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-872 = "Pakistan 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" 288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" 288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs 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,-2041 = "Eastern Daylight Time (Mexico)" windefender.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\@tzres.dll,-271 = "Greenwich Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-431 = "Iran Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1021 = "Bangladesh Daylight Time" 288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.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,-141 = "Canada Central Daylight 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\@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,-142 = "Canada Central Standard Time" 288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time" 288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates 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,-841 = "Argentina Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-911 = "Mauritius Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" 288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-961 = "Paraguay Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2891 = "Sudan Daylight Time" 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,-2611 = "Bougainville Daylight Time" 288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time" 288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time" 288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exepowershell.exe288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid process 2328 powershell.exe 2328 powershell.exe 224 288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exe 224 288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exe 4024 powershell.exe 4024 powershell.exe 4456 288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exe 4456 288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exe 4456 288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exe 4456 288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exe 4456 288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exe 4456 288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exe 4456 288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exe 4456 288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exe 4456 288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exe 4456 288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exe 4516 powershell.exe 4516 powershell.exe 2960 powershell.exe 2960 powershell.exe 2880 powershell.exe 2880 powershell.exe 4832 powershell.exe 4832 powershell.exe 4228 powershell.exe 4228 powershell.exe 1224 injector.exe 1224 injector.exe 1224 injector.exe 1224 injector.exe 1224 injector.exe 1224 injector.exe 4004 csrss.exe 4004 csrss.exe 1224 injector.exe 1224 injector.exe 1224 injector.exe 1224 injector.exe 1224 injector.exe 1224 injector.exe 4004 csrss.exe 4004 csrss.exe 1224 injector.exe 1224 injector.exe 1224 injector.exe 1224 injector.exe 4004 csrss.exe 4004 csrss.exe 1224 injector.exe 1224 injector.exe 1224 injector.exe 1224 injector.exe 1224 injector.exe 1224 injector.exe 1224 injector.exe 1224 injector.exe 1224 injector.exe 1224 injector.exe 1224 injector.exe 1224 injector.exe 1224 injector.exe 1224 injector.exe 1224 injector.exe 1224 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid process Token: SeDebugPrivilege 2328 powershell.exe Token: SeDebugPrivilege 224 288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exe Token: SeImpersonatePrivilege 224 288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exe Token: SeDebugPrivilege 4024 powershell.exe Token: SeDebugPrivilege 4516 powershell.exe Token: SeDebugPrivilege 2960 powershell.exe Token: SeDebugPrivilege 2880 powershell.exe Token: SeDebugPrivilege 4832 powershell.exe Token: SeDebugPrivilege 4228 powershell.exe Token: SeSystemEnvironmentPrivilege 4004 csrss.exe Token: SeSecurityPrivilege 1856 sc.exe Token: SeSecurityPrivilege 1856 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exe288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.execmd.execsrss.exewindefender.execmd.exedescription pid process target process PID 224 wrote to memory of 2328 224 288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exe powershell.exe PID 224 wrote to memory of 2328 224 288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exe powershell.exe PID 224 wrote to memory of 2328 224 288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exe powershell.exe PID 4456 wrote to memory of 4024 4456 288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exe powershell.exe PID 4456 wrote to memory of 4024 4456 288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exe powershell.exe PID 4456 wrote to memory of 4024 4456 288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exe powershell.exe PID 4456 wrote to memory of 2628 4456 288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exe cmd.exe PID 4456 wrote to memory of 2628 4456 288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exe cmd.exe PID 2628 wrote to memory of 3972 2628 cmd.exe netsh.exe PID 2628 wrote to memory of 3972 2628 cmd.exe netsh.exe PID 4456 wrote to memory of 4516 4456 288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exe powershell.exe PID 4456 wrote to memory of 4516 4456 288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exe powershell.exe PID 4456 wrote to memory of 4516 4456 288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exe powershell.exe PID 4456 wrote to memory of 2960 4456 288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exe powershell.exe PID 4456 wrote to memory of 2960 4456 288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exe powershell.exe PID 4456 wrote to memory of 2960 4456 288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exe powershell.exe PID 4456 wrote to memory of 4004 4456 288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exe csrss.exe PID 4456 wrote to memory of 4004 4456 288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exe csrss.exe PID 4456 wrote to memory of 4004 4456 288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exe csrss.exe PID 4004 wrote to memory of 2880 4004 csrss.exe powershell.exe PID 4004 wrote to memory of 2880 4004 csrss.exe powershell.exe PID 4004 wrote to memory of 2880 4004 csrss.exe powershell.exe PID 4004 wrote to memory of 4832 4004 csrss.exe powershell.exe PID 4004 wrote to memory of 4832 4004 csrss.exe powershell.exe PID 4004 wrote to memory of 4832 4004 csrss.exe powershell.exe PID 4004 wrote to memory of 4228 4004 csrss.exe powershell.exe PID 4004 wrote to memory of 4228 4004 csrss.exe powershell.exe PID 4004 wrote to memory of 4228 4004 csrss.exe powershell.exe PID 4004 wrote to memory of 1224 4004 csrss.exe injector.exe PID 4004 wrote to memory of 1224 4004 csrss.exe injector.exe PID 948 wrote to memory of 3380 948 windefender.exe cmd.exe PID 948 wrote to memory of 3380 948 windefender.exe cmd.exe PID 948 wrote to memory of 3380 948 windefender.exe cmd.exe PID 3380 wrote to memory of 1856 3380 cmd.exe sc.exe PID 3380 wrote to memory of 1856 3380 cmd.exe sc.exe PID 3380 wrote to memory of 1856 3380 cmd.exe sc.exe -
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\288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exe"C:\Users\Admin\AppData\Local\Temp\288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:224 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2328 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2328 -s 24283⤵
- Program crash
PID:1440 -
C:\Users\Admin\AppData\Local\Temp\288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exe"C:\Users\Admin\AppData\Local\Temp\288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.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:4456 -
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:4024 -
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:2628 -
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:3972 -
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:4516 -
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:2960 -
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:4004 -
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:2880 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:4092 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4668
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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:4832 -
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:4228 -
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:1224 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:4264 -
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:948 -
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:3380 -
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:1856
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2328 -ip 23281⤵PID:3644
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2120
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59b16efe7f5c112fbdf49275bf7d67c79
SHA1adb3ac9070b0a4ddd210957847b596bb4104790b
SHA256adeb1684713309c57389622d3dedbdf2fd1bdb9466d1b4e874f40f863cff13aa
SHA512dc72704d18c07477e4a2c63e8a4097a298e88b0edf1b2c10f97028afa6832527cbe9a0b44467d5cc69a9a67dd91668e671bff99cfe2ebb0e79415c6fc45783e7
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d4295040183e300c5f45577a91efd782
SHA17a1dbc507be212c97908aa1bee42295de993762d
SHA256b88df0ec20157a47e4c6a774a2d8946cd2f25306c27ebaed3b7c726d35c2e9b4
SHA5127fd6ff0120371a084c9307ed64334f3545ca1d029aef98f23b5fe55b68700eb55932ef2fe675ab83be37de2e02a1c9d74e109d15d25784df16bd335273b07670
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD539b74b7b3535a4272b47cbbfebf37bce
SHA1b6a9970b032d28507fdc0075d0c59e806a93e8c8
SHA256b983ed86e91e4215ea903c54a96ded0aa95dcca61e873698425a85b0483d854d
SHA512daa53d738580dd2a48a9f43cd5390b3aec9b4f76d50c62069253fa2b8b06b5eea7a7b0b89d41cbec42634eee752d6cd57c835a1ab7331a880d64db2599367fb4
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51a9a93b18ea2c7f0eda1bf54841f7bae
SHA1f6138c241146c87c2530048f793de26f29f5afd3
SHA256ae893e27cd4e01dd94e8a902e28e11ac2b52953e0f12c95b7f6ece81b7bcc3e6
SHA5129c1968857a3a316d8b20b42451cc9ffa3e8ff9ca60d3dd33d3a7529ac67c7eec3bea4bd5ce8c8bde85536ca8984a1a837b8391d0760f77ad254e604c6dd0663e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ceb0bafd13983a4b914ce9ee8dddfb14
SHA1ad4991d9168059b6cbc5309b5c0ce7b9e80e58c4
SHA25613b86ca18f0d0f3ff7eb1291c66f586e993b50be27089ab1f48d6a742f11d2ce
SHA5120a8af20312065a3dc123ef78dd76159cf1ced937b43362f49c3d857d20d958b7ffa9faeb81ab45f6f04f5d3ff2ba7de14c3c56a46150bf0bae2efeb7dc7c2288
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Filesize
4.1MB
MD5ff1bdf87819ce90f7973cdd40a3c8453
SHA1b798343f812189cfa88d335c56ad221983e5807e
SHA256288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b
SHA51248867edc7e114b75c951a0f5020ff819c9bf6d83965cdcfb851cf3986df74734a84ac1d660982fbe029d30cf28c3acf30adb78155206b620fea14efe037b5ac5
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec