Analysis
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max time kernel
149s -
max time network
135s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
09/05/2024, 19:20
Static task
static1
Behavioral task
behavioral1
Sample
a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.exe
Resource
win10v2004-20240508-en
General
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Target
a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.exe
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Size
4.1MB
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MD5
bf149c257d5476b462697565ccd2b916
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SHA1
59d9698919c39b07afbacc3bc4f1fb6bc8d1c1c8
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SHA256
a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25
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SHA512
ff3c413b8d9709020a09eb65b5c6844e7d5b59667a518a215bfa4fee7f9716003db9d86ea55017be1bbd9929b48acba4656c860a413e33b88e8effbe3f012436
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SSDEEP
98304:npLl5dh/cY//0ytMliSDJIrO0tWgVy355J08nZmlsCl:pLlNLHtGNcOLFp5JFwlsCl
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/1132-2-0x00000000050D0000-0x00000000059BB000-memory.dmp family_glupteba behavioral2/memory/1132-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1132-50-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/1132-114-0x00000000050D0000-0x00000000059BB000-memory.dmp family_glupteba behavioral2/memory/4588-125-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/1132-126-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2688-199-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/2688-207-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/2688-214-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/2688-218-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/2688-222-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/2688-225-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/2688-229-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/2688-233-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/2688-238-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/2688-242-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/2688-245-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/2688-249-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/2688-253-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 964 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2688 csrss.exe 4272 injector.exe 4360 windefender.exe 1036 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a9e9-202.dat upx behavioral2/memory/4360-204-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1036-208-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4360-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1036-215-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1036-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1230210488-3096403634-4129516247-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.exe Set value (str) \REGISTRY\USER\S-1-5-21-1230210488-3096403634-4129516247-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log 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 a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.exe 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 a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 2716 sc.exe -
pid Process 820 powershell.exe 1776 powershell.exe 2416 powershell.exe 4720 powershell.exe 1652 powershell.exe 3432 powershell.exe 1316 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 2044 schtasks.exe 2260 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time" a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-141 = "Canada Central Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\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\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-71 = "Newfoundland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-212 = "Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time" a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time" a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2182 = "Astrakhan Standard 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,-2531 = "Chatham Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-492 = "India Standard 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,-982 = "Kamchatka Standard Time" a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.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,-132 = "US Eastern Standard Time" a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-652 = "AUS Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time" a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time" a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-771 = "Montevideo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1822 = "Russia TZ 1 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-364 = "Middle East Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-392 = "Arab Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-671 = "AUS Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2062 = "North Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1832 = "Russia TZ 2 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time" a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-435 = "Georgian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time" a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time" a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-542 = "Myanmar 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)" a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)" a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time" a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates 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\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time" a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.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\@tzres.dll,-91 = "Pacific SA Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\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\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time" a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1316 powershell.exe 1316 powershell.exe 1132 a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.exe 1132 a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.exe 820 powershell.exe 820 powershell.exe 4588 a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.exe 4588 a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.exe 4588 a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.exe 4588 a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.exe 4588 a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.exe 4588 a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.exe 4588 a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.exe 4588 a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.exe 4588 a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.exe 4588 a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.exe 1776 powershell.exe 1776 powershell.exe 2416 powershell.exe 2416 powershell.exe 4720 powershell.exe 4720 powershell.exe 1652 powershell.exe 1652 powershell.exe 3432 powershell.exe 3432 powershell.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 2688 csrss.exe 2688 csrss.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 2688 csrss.exe 2688 csrss.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 2688 csrss.exe 2688 csrss.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1316 powershell.exe Token: SeDebugPrivilege 1132 a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.exe Token: SeImpersonatePrivilege 1132 a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.exe Token: SeDebugPrivilege 820 powershell.exe Token: SeDebugPrivilege 1776 powershell.exe Token: SeDebugPrivilege 2416 powershell.exe Token: SeDebugPrivilege 4720 powershell.exe Token: SeDebugPrivilege 1652 powershell.exe Token: SeDebugPrivilege 3432 powershell.exe Token: SeSystemEnvironmentPrivilege 2688 csrss.exe Token: SeSecurityPrivilege 2716 sc.exe Token: SeSecurityPrivilege 2716 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1132 wrote to memory of 1316 1132 a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.exe 82 PID 1132 wrote to memory of 1316 1132 a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.exe 82 PID 1132 wrote to memory of 1316 1132 a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.exe 82 PID 4588 wrote to memory of 820 4588 a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.exe 87 PID 4588 wrote to memory of 820 4588 a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.exe 87 PID 4588 wrote to memory of 820 4588 a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.exe 87 PID 4588 wrote to memory of 3596 4588 a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.exe 89 PID 4588 wrote to memory of 3596 4588 a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.exe 89 PID 3596 wrote to memory of 964 3596 cmd.exe 91 PID 3596 wrote to memory of 964 3596 cmd.exe 91 PID 4588 wrote to memory of 1776 4588 a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.exe 92 PID 4588 wrote to memory of 1776 4588 a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.exe 92 PID 4588 wrote to memory of 1776 4588 a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.exe 92 PID 4588 wrote to memory of 2416 4588 a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.exe 94 PID 4588 wrote to memory of 2416 4588 a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.exe 94 PID 4588 wrote to memory of 2416 4588 a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.exe 94 PID 4588 wrote to memory of 2688 4588 a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.exe 96 PID 4588 wrote to memory of 2688 4588 a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.exe 96 PID 4588 wrote to memory of 2688 4588 a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.exe 96 PID 2688 wrote to memory of 4720 2688 csrss.exe 97 PID 2688 wrote to memory of 4720 2688 csrss.exe 97 PID 2688 wrote to memory of 4720 2688 csrss.exe 97 PID 2688 wrote to memory of 1652 2688 csrss.exe 103 PID 2688 wrote to memory of 1652 2688 csrss.exe 103 PID 2688 wrote to memory of 1652 2688 csrss.exe 103 PID 2688 wrote to memory of 3432 2688 csrss.exe 105 PID 2688 wrote to memory of 3432 2688 csrss.exe 105 PID 2688 wrote to memory of 3432 2688 csrss.exe 105 PID 2688 wrote to memory of 4272 2688 csrss.exe 107 PID 2688 wrote to memory of 4272 2688 csrss.exe 107 PID 4360 wrote to memory of 3636 4360 windefender.exe 113 PID 4360 wrote to memory of 3636 4360 windefender.exe 113 PID 4360 wrote to memory of 3636 4360 windefender.exe 113 PID 3636 wrote to memory of 2716 3636 cmd.exe 114 PID 3636 wrote to memory of 2716 3636 cmd.exe 114 PID 3636 wrote to memory of 2716 3636 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\a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.exe"C:\Users\Admin\AppData\Local\Temp\a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1132 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1316
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C:\Users\Admin\AppData\Local\Temp\a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.exe"C:\Users\Admin\AppData\Local\Temp\a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25.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:4588 -
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:820
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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:3596 -
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:964
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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:1776
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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:2416
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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:2688 -
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:4720
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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:2044
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1456
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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:1652
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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:3432
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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:4272
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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:2260
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4360 -
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:3636 -
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:2716
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1036
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
MD55b100cfd25c0a6b72dd00eb2fd522c9e
SHA15ae023c56ae8e66fd1d94212f1555e6cfaa581ee
SHA2567cec9e798a87f566a3ceb96647e298747b5db1fe065afaf1e8060eed2a35995a
SHA5129d70191976708cc4f445010fa17061fe59e9f1b67cffd8754ff199073f992a2f3fa2de0d51422c9ef113e4e88791e2c065a5317bd9f97e0724dbebea889ac111
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD544e5256637f2300b7422c3f55b941e1c
SHA1ec0d6f9964dbdc3e364b42b2da465c41124cbce9
SHA256c0539edce05e4d6fa989a267278b02e3e2c9c785e1ae1af22e40f4ac89821878
SHA5128fb08391fc887ea5442784b473fa5778d72f5b013818e3731a843070dcc6f7261c6c287a65acd3d8c1b04caf97b4b041eebd1324750dfadb7432d4c78b531720
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5dd4f1ef44a1702ef14ecc3f4faa2c364
SHA17c9cf98c501e028fe913cb22921b76cf6e542cd1
SHA25684d9391f9ff6ba7e89d930c6407815aeb7fc63000c937fe9b2b58a1dc344aee5
SHA512c65472ecf1699ab5d12a7e50b0c66a262e8c487b99d7a1a3b51744a33b40f8edaa26e9163d42c722ad0d2213446ff8d9e7bb27675a3a6a2e0ae9e11b62be9b77
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f5682bafaa9a067d3df58df88fde2ced
SHA1bf7dee620aa9095ce97cc85001101d74b6791dde
SHA256d43a095c9bb71453dc9ab774e0a9ec8b4b7e841e5afc0eb65042edcfe6c0c2b8
SHA51283fd896f9848e027765d9af67abe7b4777579c248c08e7570611e2fd8d7b4856ef2c9de32892897bb2ec8bad8bc714fb29402d4d911d73aa81faa25649af4034
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56d5e5e7a3c08d8b804081ed483809b22
SHA1197f252cd4b1ceaebf7cb89b182e1802cbd022bf
SHA2560f7ab38764a57a768c79fe55f978ce4401843fb62ba2c0fbbc005c99c1bd82d8
SHA512a284c2cea67056a1d0b797f72461076bc3dcf3b73c230f03704a0befee247c995cf1fbc321f8075878228260b76bee7766f6f9db23f2c85de2a2d4f7d17a35ec
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Filesize
4.1MB
MD5bf149c257d5476b462697565ccd2b916
SHA159d9698919c39b07afbacc3bc4f1fb6bc8d1c1c8
SHA256a7dc63be383fd84964d72508f8caba6f7a4132a8226b6a3dbe3c7c3d8cdc1e25
SHA512ff3c413b8d9709020a09eb65b5c6844e7d5b59667a518a215bfa4fee7f9716003db9d86ea55017be1bbd9929b48acba4656c860a413e33b88e8effbe3f012436
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec