Analysis
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max time kernel
122s -
max time network
130s -
platform
windows10-1703_x64 -
resource
win10-20231020-en -
resource tags
arch:x64arch:x86image:win10-20231020-enlocale:en-usos:windows10-1703-x64system -
submitted
22/10/2023, 11:19
Static task
static1
General
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Target
c16d98693f785214006c9e8a3af16980e060190fb6edea9a36b45a28934a0846.exe
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Size
4.2MB
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MD5
a1496c0bca4ae63359116586a936409d
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SHA1
4c265281b462f4567a1aa7038d1bd2b09fc100dc
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SHA256
c16d98693f785214006c9e8a3af16980e060190fb6edea9a36b45a28934a0846
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SHA512
155afb21c753b7dc81e42d906bf7156c4875788b01c4075fa755ce4524284b813983ebacb585b72174a06c70fc4c2f473536f536496449cd98c0b7d68ca0d896
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SSDEEP
98304:1fkG0hcvRsnHJMETFtGiZ/xnw3D41GM78Z1TaPVc+2JTiGuK:Qj/GiZd51GMAZo++2JTtt
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral1/memory/2260-2-0x0000000002F30000-0x000000000381B000-memory.dmp family_glupteba behavioral1/memory/2260-3-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2260-45-0x0000000002F30000-0x000000000381B000-memory.dmp family_glupteba behavioral1/memory/2260-69-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2260-70-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2260-306-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2884-309-0x0000000002E10000-0x00000000036FB000-memory.dmp family_glupteba behavioral1/memory/2884-310-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2884-545-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2884-560-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2884-837-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2884-1055-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4148-1059-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4148-1328-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4148-1806-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4148-1815-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4148-1817-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4148-1819-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4148-1821-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4148-1829-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" c16d98693f785214006c9e8a3af16980e060190fb6edea9a36b45a28934a0846.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" c16d98693f785214006c9e8a3af16980e060190fb6edea9a36b45a28934a0846.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" c16d98693f785214006c9e8a3af16980e060190fb6edea9a36b45a28934a0846.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" c16d98693f785214006c9e8a3af16980e060190fb6edea9a36b45a28934a0846.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" c16d98693f785214006c9e8a3af16980e060190fb6edea9a36b45a28934a0846.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" c16d98693f785214006c9e8a3af16980e060190fb6edea9a36b45a28934a0846.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\c16d98693f785214006c9e8a3af16980e060190fb6edea9a36b45a28934a0846.exe = "0" c16d98693f785214006c9e8a3af16980e060190fb6edea9a36b45a28934a0846.exe -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 4796 netsh.exe -
Executes dropped EXE 5 IoCs
pid Process 4148 csrss.exe 712 injector.exe 228 windefender.exe 4824 windefender.exe 4324 f801950a962ddba14caaa44bf084b55c.exe -
resource yara_rule behavioral1/files/0x000700000001ac63-1809.dat upx behavioral1/files/0x000700000001ac63-1811.dat upx behavioral1/files/0x000700000001ac63-1812.dat upx behavioral1/memory/228-1814-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4824-1816-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4824-1820-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/files/0x000600000001ac64-1825.dat upx behavioral1/files/0x000600000001ac64-1826.dat upx behavioral1/memory/4824-1828-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4324-1830-0x0000000000400000-0x0000000000C25000-memory.dmp upx behavioral1/memory/4324-1832-0x0000000000400000-0x0000000000C25000-memory.dmp upx -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" c16d98693f785214006c9e8a3af16980e060190fb6edea9a36b45a28934a0846.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" c16d98693f785214006c9e8a3af16980e060190fb6edea9a36b45a28934a0846.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" c16d98693f785214006c9e8a3af16980e060190fb6edea9a36b45a28934a0846.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" c16d98693f785214006c9e8a3af16980e060190fb6edea9a36b45a28934a0846.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" c16d98693f785214006c9e8a3af16980e060190fb6edea9a36b45a28934a0846.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" c16d98693f785214006c9e8a3af16980e060190fb6edea9a36b45a28934a0846.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\c16d98693f785214006c9e8a3af16980e060190fb6edea9a36b45a28934a0846.exe = "0" c16d98693f785214006c9e8a3af16980e060190fb6edea9a36b45a28934a0846.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-827376917-4115551959-2205343446-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" c16d98693f785214006c9e8a3af16980e060190fb6edea9a36b45a28934a0846.exe Set value (str) \REGISTRY\USER\S-1-5-21-827376917-4115551959-2205343446-1000\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 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 -
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 c16d98693f785214006c9e8a3af16980e060190fb6edea9a36b45a28934a0846.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss c16d98693f785214006c9e8a3af16980e060190fb6edea9a36b45a28934a0846.exe File created C:\Windows\rss\csrss.exe c16d98693f785214006c9e8a3af16980e060190fb6edea9a36b45a28934a0846.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 1236 sc.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 3232 schtasks.exe 5088 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-842 = "Argentina Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1022 = "Bangladesh Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time" c16d98693f785214006c9e8a3af16980e060190fb6edea9a36b45a28934a0846.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root 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\1a\52C64B7E\@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" windefender.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\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-221 = "Alaskan Daylight Time" c16d98693f785214006c9e8a3af16980e060190fb6edea9a36b45a28934a0846.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" c16d98693f785214006c9e8a3af16980e060190fb6edea9a36b45a28934a0846.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time" c16d98693f785214006c9e8a3af16980e060190fb6edea9a36b45a28934a0846.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time" c16d98693f785214006c9e8a3af16980e060190fb6edea9a36b45a28934a0846.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time" c16d98693f785214006c9e8a3af16980e060190fb6edea9a36b45a28934a0846.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2491 = "Aus Central W. Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2432 = "Cuba Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-682 = "E. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-192 = "Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1411 = "Syria Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time" c16d98693f785214006c9e8a3af16980e060190fb6edea9a36b45a28934a0846.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time" c16d98693f785214006c9e8a3af16980e060190fb6edea9a36b45a28934a0846.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-121 = "SA Pacific Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\SYSTEM\CurrentControlSet\Control\NetTrace netsh.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\LanguageList = 65006e002d0055005300000065006e0000000000 windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" c16d98693f785214006c9e8a3af16980e060190fb6edea9a36b45a28934a0846.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time" c16d98693f785214006c9e8a3af16980e060190fb6edea9a36b45a28934a0846.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time" c16d98693f785214006c9e8a3af16980e060190fb6edea9a36b45a28934a0846.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2161 = "Altai Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1872 = "Russia TZ 7 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time" c16d98693f785214006c9e8a3af16980e060190fb6edea9a36b45a28934a0846.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-561 = "SE Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-632 = "Tokyo Standard Time" windefender.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\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time" c16d98693f785214006c9e8a3af16980e060190fb6edea9a36b45a28934a0846.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-841 = "Argentina Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-261 = "GMT Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-431 = "Iran Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time" c16d98693f785214006c9e8a3af16980e060190fb6edea9a36b45a28934a0846.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-291 = "Central European Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-732 = "Fiji Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-751 = "Tonga Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1862 = "Russia TZ 6 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" c16d98693f785214006c9e8a3af16980e060190fb6edea9a36b45a28934a0846.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2892 powershell.exe 2892 powershell.exe 2892 powershell.exe 2260 c16d98693f785214006c9e8a3af16980e060190fb6edea9a36b45a28934a0846.exe 2260 c16d98693f785214006c9e8a3af16980e060190fb6edea9a36b45a28934a0846.exe 4080 powershell.exe 4080 powershell.exe 4080 powershell.exe 2884 c16d98693f785214006c9e8a3af16980e060190fb6edea9a36b45a28934a0846.exe 2884 c16d98693f785214006c9e8a3af16980e060190fb6edea9a36b45a28934a0846.exe 2884 c16d98693f785214006c9e8a3af16980e060190fb6edea9a36b45a28934a0846.exe 2884 c16d98693f785214006c9e8a3af16980e060190fb6edea9a36b45a28934a0846.exe 2884 c16d98693f785214006c9e8a3af16980e060190fb6edea9a36b45a28934a0846.exe 2884 c16d98693f785214006c9e8a3af16980e060190fb6edea9a36b45a28934a0846.exe 2884 c16d98693f785214006c9e8a3af16980e060190fb6edea9a36b45a28934a0846.exe 2884 c16d98693f785214006c9e8a3af16980e060190fb6edea9a36b45a28934a0846.exe 2884 c16d98693f785214006c9e8a3af16980e060190fb6edea9a36b45a28934a0846.exe 2884 c16d98693f785214006c9e8a3af16980e060190fb6edea9a36b45a28934a0846.exe 680 powershell.exe 680 powershell.exe 680 powershell.exe 2856 powershell.exe 2856 powershell.exe 2856 powershell.exe 3700 powershell.exe 3700 powershell.exe 3700 powershell.exe 3112 powershell.exe 3112 powershell.exe 3112 powershell.exe 4876 powershell.exe 4876 powershell.exe 4876 powershell.exe 712 injector.exe 712 injector.exe 712 injector.exe 712 injector.exe 712 injector.exe 712 injector.exe 4148 csrss.exe 4148 csrss.exe 712 injector.exe 712 injector.exe 712 injector.exe 712 injector.exe 712 injector.exe 712 injector.exe 4148 csrss.exe 4148 csrss.exe 712 injector.exe 712 injector.exe 4148 csrss.exe 4148 csrss.exe 712 injector.exe 712 injector.exe 712 injector.exe 712 injector.exe 712 injector.exe 712 injector.exe 712 injector.exe 712 injector.exe 712 injector.exe 712 injector.exe 712 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2892 powershell.exe Token: SeDebugPrivilege 2260 c16d98693f785214006c9e8a3af16980e060190fb6edea9a36b45a28934a0846.exe Token: SeImpersonatePrivilege 2260 c16d98693f785214006c9e8a3af16980e060190fb6edea9a36b45a28934a0846.exe Token: SeDebugPrivilege 4080 powershell.exe Token: SeDebugPrivilege 680 powershell.exe Token: SeDebugPrivilege 2856 powershell.exe Token: SeDebugPrivilege 3700 powershell.exe Token: SeDebugPrivilege 3112 powershell.exe Token: SeDebugPrivilege 4876 powershell.exe Token: SeSystemEnvironmentPrivilege 4148 csrss.exe Token: SeSecurityPrivilege 1236 sc.exe Token: SeSecurityPrivilege 1236 sc.exe -
Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 2260 wrote to memory of 2892 2260 c16d98693f785214006c9e8a3af16980e060190fb6edea9a36b45a28934a0846.exe 72 PID 2260 wrote to memory of 2892 2260 c16d98693f785214006c9e8a3af16980e060190fb6edea9a36b45a28934a0846.exe 72 PID 2260 wrote to memory of 2892 2260 c16d98693f785214006c9e8a3af16980e060190fb6edea9a36b45a28934a0846.exe 72 PID 2884 wrote to memory of 4080 2884 c16d98693f785214006c9e8a3af16980e060190fb6edea9a36b45a28934a0846.exe 78 PID 2884 wrote to memory of 4080 2884 c16d98693f785214006c9e8a3af16980e060190fb6edea9a36b45a28934a0846.exe 78 PID 2884 wrote to memory of 4080 2884 c16d98693f785214006c9e8a3af16980e060190fb6edea9a36b45a28934a0846.exe 78 PID 2884 wrote to memory of 3668 2884 c16d98693f785214006c9e8a3af16980e060190fb6edea9a36b45a28934a0846.exe 79 PID 2884 wrote to memory of 3668 2884 c16d98693f785214006c9e8a3af16980e060190fb6edea9a36b45a28934a0846.exe 79 PID 3668 wrote to memory of 4796 3668 cmd.exe 81 PID 3668 wrote to memory of 4796 3668 cmd.exe 81 PID 2884 wrote to memory of 680 2884 c16d98693f785214006c9e8a3af16980e060190fb6edea9a36b45a28934a0846.exe 82 PID 2884 wrote to memory of 680 2884 c16d98693f785214006c9e8a3af16980e060190fb6edea9a36b45a28934a0846.exe 82 PID 2884 wrote to memory of 680 2884 c16d98693f785214006c9e8a3af16980e060190fb6edea9a36b45a28934a0846.exe 82 PID 2884 wrote to memory of 2856 2884 c16d98693f785214006c9e8a3af16980e060190fb6edea9a36b45a28934a0846.exe 84 PID 2884 wrote to memory of 2856 2884 c16d98693f785214006c9e8a3af16980e060190fb6edea9a36b45a28934a0846.exe 84 PID 2884 wrote to memory of 2856 2884 c16d98693f785214006c9e8a3af16980e060190fb6edea9a36b45a28934a0846.exe 84 PID 2884 wrote to memory of 4148 2884 c16d98693f785214006c9e8a3af16980e060190fb6edea9a36b45a28934a0846.exe 86 PID 2884 wrote to memory of 4148 2884 c16d98693f785214006c9e8a3af16980e060190fb6edea9a36b45a28934a0846.exe 86 PID 2884 wrote to memory of 4148 2884 c16d98693f785214006c9e8a3af16980e060190fb6edea9a36b45a28934a0846.exe 86 PID 4148 wrote to memory of 3700 4148 csrss.exe 87 PID 4148 wrote to memory of 3700 4148 csrss.exe 87 PID 4148 wrote to memory of 3700 4148 csrss.exe 87 PID 4148 wrote to memory of 3112 4148 csrss.exe 94 PID 4148 wrote to memory of 3112 4148 csrss.exe 94 PID 4148 wrote to memory of 3112 4148 csrss.exe 94 PID 4148 wrote to memory of 4876 4148 csrss.exe 96 PID 4148 wrote to memory of 4876 4148 csrss.exe 96 PID 4148 wrote to memory of 4876 4148 csrss.exe 96 PID 4148 wrote to memory of 712 4148 csrss.exe 98 PID 4148 wrote to memory of 712 4148 csrss.exe 98 PID 228 wrote to memory of 3068 228 windefender.exe 105 PID 228 wrote to memory of 3068 228 windefender.exe 105 PID 228 wrote to memory of 3068 228 windefender.exe 105 PID 3068 wrote to memory of 1236 3068 cmd.exe 106 PID 3068 wrote to memory of 1236 3068 cmd.exe 106 PID 3068 wrote to memory of 1236 3068 cmd.exe 106 PID 4148 wrote to memory of 4324 4148 csrss.exe 108 PID 4148 wrote to memory of 4324 4148 csrss.exe 108 PID 4148 wrote to memory of 4324 4148 csrss.exe 108 -
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\c16d98693f785214006c9e8a3af16980e060190fb6edea9a36b45a28934a0846.exe"C:\Users\Admin\AppData\Local\Temp\c16d98693f785214006c9e8a3af16980e060190fb6edea9a36b45a28934a0846.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2260 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2892
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C:\Users\Admin\AppData\Local\Temp\c16d98693f785214006c9e8a3af16980e060190fb6edea9a36b45a28934a0846.exe"C:\Users\Admin\AppData\Local\Temp\c16d98693f785214006c9e8a3af16980e060190fb6edea9a36b45a28934a0846.exe"2⤵
- Windows security bypass
- Windows security modification
- 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:2884 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4080
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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:3668 -
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
- Modifies data under HKEY_USERS
PID:4796
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:680
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2856
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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:4148 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3700
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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:3232
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4952
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3112
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4876
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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:712
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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:5088
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:228 -
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:3068 -
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:1236
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C:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exeC:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exe4⤵
- Executes dropped EXE
PID:4324 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn "csrss" /f5⤵PID:4016
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn "ScheduledUpdate" /f5⤵PID:4348
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4824
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
1Replay Monitor
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Downloads
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Filesize
1B
MD5c4ca4238a0b923820dcc509a6f75849b
SHA1356a192b7913b04c54574d18c28d46e6395428ab
SHA2566b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b
SHA5124dff4ea340f0a823f15d3f4f01ab62eae0e5da579ccb851f8db9dfe84c58b2b37b89903a740e1ee172da793a6e79d560e5f7f9bd058a12a280433ed6fa46510a
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Filesize
3.2MB
MD5f801950a962ddba14caaa44bf084b55c
SHA17cadc9076121297428442785536ba0df2d4ae996
SHA256c3946ec89e15b24b743c46f9acacb58cff47da63f3ce2799d71ed90496b8891f
SHA5124183bc76bdc84fb779e2e573d9a63d7de47096b63b945f9e335bee95ae28eb208f5ee15f6501ac59623b97c5b77f3455ca313512e7d9803e1704ae22a52459c5
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Filesize
3.2MB
MD5f801950a962ddba14caaa44bf084b55c
SHA17cadc9076121297428442785536ba0df2d4ae996
SHA256c3946ec89e15b24b743c46f9acacb58cff47da63f3ce2799d71ed90496b8891f
SHA5124183bc76bdc84fb779e2e573d9a63d7de47096b63b945f9e335bee95ae28eb208f5ee15f6501ac59623b97c5b77f3455ca313512e7d9803e1704ae22a52459c5
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Filesize
99KB
MD509031a062610d77d685c9934318b4170
SHA1880f744184e7774f3d14c1bb857e21cc7fe89a6d
SHA256778bd69af403df3c4e074c31b3850d71bf0e64524bea4272a802ca9520b379dd
SHA5129a276e1f0f55d35f2bf38eb093464f7065bdd30a660e6d1c62eed5e76d1fb2201567b89d9ae65d2d89dc99b142159e36fb73be8d5e08252a975d50544a7cda27
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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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
MD51c19c16e21c97ed42d5beabc93391fc5
SHA18ad83f8e0b3acf8dfbbf87931e41f0d664c4df68
SHA2561bcd97396c83babfe6c5068ba590d7a3f8b70e72955a9d1e4070648e404cbf05
SHA5127d18776d8f649b3d29c182ff03efc6cea8b527542ee55304980f24577aae8b64e37044407776e220984346c3998ace5f8853afa58c8b38407482a728e9495e0c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD50eb4d1701c09e02ca96bf611cc376fc3
SHA12c49fee5187897d79947395b76bae143eba6ad42
SHA256988cd5eb1b428327130aff2f0548eea651fd11bdc7c0ca44b2d196fae9585f2a
SHA51230b0a03b3a308d3a0372ec3be48a76880e0fe612e89188a4fb8a28955c514bc1a05d6c865252ceefda745ee284b97a6a6379a17a599737385dd1c1e3a38f0a98
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD55bcbe06ba0e886087a11e83cf2353b7d
SHA1d33aabceef3de5fd667cacc77ba181e960486473
SHA2567461a7818f61fc497b2600752c9b4cf6600664a0ca266ecd10e15b5e4d9171f5
SHA512a83c43ce05ceae119ab6fb7da4e02fd5a076fbd9900e57c49f2d94466f0775b5d5fc2c39441fe7e94ed13cedc11d05c2594dbcc383d2d3f24ede9626daa144c1
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD59fc4ca6eacb8ae595f208ddbf22d4271
SHA19e841db928ebfa7e4dcd3769790dbe557183ee0f
SHA25610c815a7763d44741786c452f09e9eb4a9d486653d35a46d0d832869927aa00d
SHA5122880839930c5aedc9ed1a7a7909d96ef0e53510529858007b19ce5f7d8505f10aecb209f11623e1df28c572fe2be24c144c5312b7faa0e7272d61e00d4c6841c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD58ff41a88cff06d847b587bef603438f6
SHA11f73855204f466c8b092b2c66742d1ad6715cb61
SHA256c31e01ad1bf9ee5b422072955c84d8e58e6f453f2c10d41b1bdcb38c0c1b7fd3
SHA512eba7b209ac33a0cfea99af4faa5e5d32e32c7244023151eb1b3a60dcf388a6b9f7796843e9bf227c64da952b6066eac2eee2375a41a63a272eda9b18c3ba6b8a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5ec2430dfdbc92ec1102f945c90b248d1
SHA1ea3ab39875fad7c218dd7e22ea848db73a76b0dc
SHA25614ab8912f14f52aab4ea223242eb5f707e8ae672b4b554c38f3ef9e576d898a6
SHA512ed657cc73c01c0292e14e9828d86d570464ee6df48fd9e6343d018915102824444de9d1fa90c54301b4ab65f3a1f8a0d6328f31d944bcedc0385885ada0a6af6
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Filesize
4.2MB
MD5a1496c0bca4ae63359116586a936409d
SHA14c265281b462f4567a1aa7038d1bd2b09fc100dc
SHA256c16d98693f785214006c9e8a3af16980e060190fb6edea9a36b45a28934a0846
SHA512155afb21c753b7dc81e42d906bf7156c4875788b01c4075fa755ce4524284b813983ebacb585b72174a06c70fc4c2f473536f536496449cd98c0b7d68ca0d896
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Filesize
4.2MB
MD5a1496c0bca4ae63359116586a936409d
SHA14c265281b462f4567a1aa7038d1bd2b09fc100dc
SHA256c16d98693f785214006c9e8a3af16980e060190fb6edea9a36b45a28934a0846
SHA512155afb21c753b7dc81e42d906bf7156c4875788b01c4075fa755ce4524284b813983ebacb585b72174a06c70fc4c2f473536f536496449cd98c0b7d68ca0d896
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec