Analysis
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max time kernel
150s -
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
15/05/2024, 23:32
Static task
static1
Behavioral task
behavioral1
Sample
714d9aff6e1b1ea1c6a7416db6d629b7a42797185fa0b8df2b0c4ff02c2f9ee3.exe
Resource
win10v2004-20240508-en
General
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Target
714d9aff6e1b1ea1c6a7416db6d629b7a42797185fa0b8df2b0c4ff02c2f9ee3.exe
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Size
4.1MB
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MD5
838e700a25e6ddba76f99fc90d64674d
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SHA1
004a74051c1ffad9979a1e836aa325504a2c993c
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SHA256
714d9aff6e1b1ea1c6a7416db6d629b7a42797185fa0b8df2b0c4ff02c2f9ee3
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SHA512
2178b53edad39ab762ef38a9e496c54a412b2028baed19900b085ecba93e488e313ad8775f167b37c8212e737eea153f6187fb5ad8ae003644dc053e222ddd35
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SSDEEP
98304:8CrMvuyR1RyPQdAJHItu4QbOo8ZPCtSlOjuAz5n6hmlDmbY:85vuu/yDHItfIOpPCSgB5tCE
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/4292-2-0x0000000004D30000-0x000000000561B000-memory.dmp family_glupteba behavioral2/memory/4292-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4292-24-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4292-54-0x0000000004D30000-0x000000000561B000-memory.dmp family_glupteba behavioral2/memory/4292-63-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4292-80-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1172-79-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/1172-129-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4972-140-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4972-201-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4972-212-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4972-221-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4972-225-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4972-229-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4972-233-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4972-237-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4972-241-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4972-245-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4972-249-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3368 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4972 csrss.exe 4456 injector.exe 3548 windefender.exe 4220 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa1c-211.dat upx behavioral2/memory/3548-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4220-216-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3548-218-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4220-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4220-231-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3107365284-1576850094-161165143-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 714d9aff6e1b1ea1c6a7416db6d629b7a42797185fa0b8df2b0c4ff02c2f9ee3.exe Set value (str) \REGISTRY\USER\S-1-5-21-3107365284-1576850094-161165143-1000\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 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 -
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 714d9aff6e1b1ea1c6a7416db6d629b7a42797185fa0b8df2b0c4ff02c2f9ee3.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 714d9aff6e1b1ea1c6a7416db6d629b7a42797185fa0b8df2b0c4ff02c2f9ee3.exe File created C:\Windows\rss\csrss.exe 714d9aff6e1b1ea1c6a7416db6d629b7a42797185fa0b8df2b0c4ff02c2f9ee3.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 2200 sc.exe -
pid Process 5052 powershell.exe 4912 powershell.exe 2004 powershell.exe 4856 powershell.exe 1576 powershell.exe 768 powershell.exe 2704 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 1036 schtasks.exe 1796 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs 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\2a\52C64B7E\@tzres.dll,-721 = "Central Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2532 = "Chatham Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-192 = "Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time" 714d9aff6e1b1ea1c6a7416db6d629b7a42797185fa0b8df2b0c4ff02c2f9ee3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" 714d9aff6e1b1ea1c6a7416db6d629b7a42797185fa0b8df2b0c4ff02c2f9ee3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1722 = "Libya Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time" 714d9aff6e1b1ea1c6a7416db6d629b7a42797185fa0b8df2b0c4ff02c2f9ee3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" 714d9aff6e1b1ea1c6a7416db6d629b7a42797185fa0b8df2b0c4ff02c2f9ee3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. Standard Time" 714d9aff6e1b1ea1c6a7416db6d629b7a42797185fa0b8df2b0c4ff02c2f9ee3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2571 = "Turks and Caicos Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time" 714d9aff6e1b1ea1c6a7416db6d629b7a42797185fa0b8df2b0c4ff02c2f9ee3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" 714d9aff6e1b1ea1c6a7416db6d629b7a42797185fa0b8df2b0c4ff02c2f9ee3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1971 = "Belarus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-335 = "Jordan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-691 = "Tasmania Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2491 = "Aus Central W. Daylight Time" 714d9aff6e1b1ea1c6a7416db6d629b7a42797185fa0b8df2b0c4ff02c2f9ee3.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\2a\52C64B7E\@tzres.dll,-512 = "Central Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-831 = "SA Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-242 = "Samoa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time" 714d9aff6e1b1ea1c6a7416db6d629b7a42797185fa0b8df2b0c4ff02c2f9ee3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time" 714d9aff6e1b1ea1c6a7416db6d629b7a42797185fa0b8df2b0c4ff02c2f9ee3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time" 714d9aff6e1b1ea1c6a7416db6d629b7a42797185fa0b8df2b0c4ff02c2f9ee3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-11 = "Azores Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1972 = "Belarus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time" 714d9aff6e1b1ea1c6a7416db6d629b7a42797185fa0b8df2b0c4ff02c2f9ee3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" 714d9aff6e1b1ea1c6a7416db6d629b7a42797185fa0b8df2b0c4ff02c2f9ee3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time" 714d9aff6e1b1ea1c6a7416db6d629b7a42797185fa0b8df2b0c4ff02c2f9ee3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time" 714d9aff6e1b1ea1c6a7416db6d629b7a42797185fa0b8df2b0c4ff02c2f9ee3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1021 = "Bangladesh Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-221 = "Alaskan Daylight Time" 714d9aff6e1b1ea1c6a7416db6d629b7a42797185fa0b8df2b0c4ff02c2f9ee3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" 714d9aff6e1b1ea1c6a7416db6d629b7a42797185fa0b8df2b0c4ff02c2f9ee3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time" 714d9aff6e1b1ea1c6a7416db6d629b7a42797185fa0b8df2b0c4ff02c2f9ee3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-962 = "Paraguay Standard Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-722 = "Central Pacific Standard Time" windefender.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,-1871 = "Russia TZ 7 Daylight Time" 714d9aff6e1b1ea1c6a7416db6d629b7a42797185fa0b8df2b0c4ff02c2f9ee3.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-432 = "Iran Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-385 = "Namibia Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4856 powershell.exe 4856 powershell.exe 4292 714d9aff6e1b1ea1c6a7416db6d629b7a42797185fa0b8df2b0c4ff02c2f9ee3.exe 4292 714d9aff6e1b1ea1c6a7416db6d629b7a42797185fa0b8df2b0c4ff02c2f9ee3.exe 1576 powershell.exe 1576 powershell.exe 1172 714d9aff6e1b1ea1c6a7416db6d629b7a42797185fa0b8df2b0c4ff02c2f9ee3.exe 1172 714d9aff6e1b1ea1c6a7416db6d629b7a42797185fa0b8df2b0c4ff02c2f9ee3.exe 1172 714d9aff6e1b1ea1c6a7416db6d629b7a42797185fa0b8df2b0c4ff02c2f9ee3.exe 1172 714d9aff6e1b1ea1c6a7416db6d629b7a42797185fa0b8df2b0c4ff02c2f9ee3.exe 1172 714d9aff6e1b1ea1c6a7416db6d629b7a42797185fa0b8df2b0c4ff02c2f9ee3.exe 1172 714d9aff6e1b1ea1c6a7416db6d629b7a42797185fa0b8df2b0c4ff02c2f9ee3.exe 1172 714d9aff6e1b1ea1c6a7416db6d629b7a42797185fa0b8df2b0c4ff02c2f9ee3.exe 1172 714d9aff6e1b1ea1c6a7416db6d629b7a42797185fa0b8df2b0c4ff02c2f9ee3.exe 1172 714d9aff6e1b1ea1c6a7416db6d629b7a42797185fa0b8df2b0c4ff02c2f9ee3.exe 1172 714d9aff6e1b1ea1c6a7416db6d629b7a42797185fa0b8df2b0c4ff02c2f9ee3.exe 768 powershell.exe 768 powershell.exe 2704 powershell.exe 2704 powershell.exe 5052 powershell.exe 5052 powershell.exe 4912 powershell.exe 4912 powershell.exe 2004 powershell.exe 2004 powershell.exe 4456 injector.exe 4456 injector.exe 4456 injector.exe 4456 injector.exe 4456 injector.exe 4456 injector.exe 4972 csrss.exe 4972 csrss.exe 4456 injector.exe 4456 injector.exe 4456 injector.exe 4456 injector.exe 4456 injector.exe 4456 injector.exe 4972 csrss.exe 4972 csrss.exe 4456 injector.exe 4456 injector.exe 4972 csrss.exe 4972 csrss.exe 4456 injector.exe 4456 injector.exe 4456 injector.exe 4456 injector.exe 4456 injector.exe 4456 injector.exe 4456 injector.exe 4456 injector.exe 4456 injector.exe 4456 injector.exe 4456 injector.exe 4456 injector.exe 4456 injector.exe 4456 injector.exe 4456 injector.exe 4456 injector.exe 4456 injector.exe 4456 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4856 powershell.exe Token: SeDebugPrivilege 4292 714d9aff6e1b1ea1c6a7416db6d629b7a42797185fa0b8df2b0c4ff02c2f9ee3.exe Token: SeImpersonatePrivilege 4292 714d9aff6e1b1ea1c6a7416db6d629b7a42797185fa0b8df2b0c4ff02c2f9ee3.exe Token: SeDebugPrivilege 1576 powershell.exe Token: SeDebugPrivilege 768 powershell.exe Token: SeDebugPrivilege 2704 powershell.exe Token: SeDebugPrivilege 5052 powershell.exe Token: SeDebugPrivilege 4912 powershell.exe Token: SeDebugPrivilege 2004 powershell.exe Token: SeSystemEnvironmentPrivilege 4972 csrss.exe Token: SeSecurityPrivilege 2200 sc.exe Token: SeSecurityPrivilege 2200 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4292 wrote to memory of 4856 4292 714d9aff6e1b1ea1c6a7416db6d629b7a42797185fa0b8df2b0c4ff02c2f9ee3.exe 79 PID 4292 wrote to memory of 4856 4292 714d9aff6e1b1ea1c6a7416db6d629b7a42797185fa0b8df2b0c4ff02c2f9ee3.exe 79 PID 4292 wrote to memory of 4856 4292 714d9aff6e1b1ea1c6a7416db6d629b7a42797185fa0b8df2b0c4ff02c2f9ee3.exe 79 PID 1172 wrote to memory of 1576 1172 714d9aff6e1b1ea1c6a7416db6d629b7a42797185fa0b8df2b0c4ff02c2f9ee3.exe 84 PID 1172 wrote to memory of 1576 1172 714d9aff6e1b1ea1c6a7416db6d629b7a42797185fa0b8df2b0c4ff02c2f9ee3.exe 84 PID 1172 wrote to memory of 1576 1172 714d9aff6e1b1ea1c6a7416db6d629b7a42797185fa0b8df2b0c4ff02c2f9ee3.exe 84 PID 1172 wrote to memory of 4220 1172 714d9aff6e1b1ea1c6a7416db6d629b7a42797185fa0b8df2b0c4ff02c2f9ee3.exe 86 PID 1172 wrote to memory of 4220 1172 714d9aff6e1b1ea1c6a7416db6d629b7a42797185fa0b8df2b0c4ff02c2f9ee3.exe 86 PID 4220 wrote to memory of 3368 4220 cmd.exe 88 PID 4220 wrote to memory of 3368 4220 cmd.exe 88 PID 1172 wrote to memory of 768 1172 714d9aff6e1b1ea1c6a7416db6d629b7a42797185fa0b8df2b0c4ff02c2f9ee3.exe 89 PID 1172 wrote to memory of 768 1172 714d9aff6e1b1ea1c6a7416db6d629b7a42797185fa0b8df2b0c4ff02c2f9ee3.exe 89 PID 1172 wrote to memory of 768 1172 714d9aff6e1b1ea1c6a7416db6d629b7a42797185fa0b8df2b0c4ff02c2f9ee3.exe 89 PID 1172 wrote to memory of 2704 1172 714d9aff6e1b1ea1c6a7416db6d629b7a42797185fa0b8df2b0c4ff02c2f9ee3.exe 91 PID 1172 wrote to memory of 2704 1172 714d9aff6e1b1ea1c6a7416db6d629b7a42797185fa0b8df2b0c4ff02c2f9ee3.exe 91 PID 1172 wrote to memory of 2704 1172 714d9aff6e1b1ea1c6a7416db6d629b7a42797185fa0b8df2b0c4ff02c2f9ee3.exe 91 PID 1172 wrote to memory of 4972 1172 714d9aff6e1b1ea1c6a7416db6d629b7a42797185fa0b8df2b0c4ff02c2f9ee3.exe 93 PID 1172 wrote to memory of 4972 1172 714d9aff6e1b1ea1c6a7416db6d629b7a42797185fa0b8df2b0c4ff02c2f9ee3.exe 93 PID 1172 wrote to memory of 4972 1172 714d9aff6e1b1ea1c6a7416db6d629b7a42797185fa0b8df2b0c4ff02c2f9ee3.exe 93 PID 4972 wrote to memory of 5052 4972 csrss.exe 94 PID 4972 wrote to memory of 5052 4972 csrss.exe 94 PID 4972 wrote to memory of 5052 4972 csrss.exe 94 PID 4972 wrote to memory of 4912 4972 csrss.exe 99 PID 4972 wrote to memory of 4912 4972 csrss.exe 99 PID 4972 wrote to memory of 4912 4972 csrss.exe 99 PID 4972 wrote to memory of 2004 4972 csrss.exe 102 PID 4972 wrote to memory of 2004 4972 csrss.exe 102 PID 4972 wrote to memory of 2004 4972 csrss.exe 102 PID 4972 wrote to memory of 4456 4972 csrss.exe 104 PID 4972 wrote to memory of 4456 4972 csrss.exe 104 PID 3548 wrote to memory of 1600 3548 windefender.exe 110 PID 3548 wrote to memory of 1600 3548 windefender.exe 110 PID 3548 wrote to memory of 1600 3548 windefender.exe 110 PID 1600 wrote to memory of 2200 1600 cmd.exe 111 PID 1600 wrote to memory of 2200 1600 cmd.exe 111 PID 1600 wrote to memory of 2200 1600 cmd.exe 111 -
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\714d9aff6e1b1ea1c6a7416db6d629b7a42797185fa0b8df2b0c4ff02c2f9ee3.exe"C:\Users\Admin\AppData\Local\Temp\714d9aff6e1b1ea1c6a7416db6d629b7a42797185fa0b8df2b0c4ff02c2f9ee3.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4292 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4856
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C:\Users\Admin\AppData\Local\Temp\714d9aff6e1b1ea1c6a7416db6d629b7a42797185fa0b8df2b0c4ff02c2f9ee3.exe"C:\Users\Admin\AppData\Local\Temp\714d9aff6e1b1ea1c6a7416db6d629b7a42797185fa0b8df2b0c4ff02c2f9ee3.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:1172 -
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:1576
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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:4220 -
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:3368
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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:768
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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:2704
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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:4972 -
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:5052
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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:1796
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4964
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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:4912
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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:2004
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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:4456
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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:1036
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3548 -
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:1600 -
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:2200
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4220
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
MD5e52439adb8e580ce8ef30748ad25bbbe
SHA15882a4cd9cab1903d97343b0c8a6ff7fdfadefe6
SHA2564b18cc3c834af96bf23b197507adc883ef97b0cfd58e4fcbed28806a118ebbad
SHA51258a12f16381471f66fd26a26e365c0315be0bc9788b941fac62eb25f754f0336dab6900ccc5239004d4c86f92c6dd206b0dbf40318e9a1afb345ca59bb19ac3e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD511459945fc4799f04386874ac26bae7f
SHA1a99cdfc8f245cbdd2a682641530c0851655825f9
SHA2564de25013f8c5fd029a45043662597eb710afa8a4372a6f2eb899360926ac3c49
SHA51206979c72d0c6512a33641b65a024c7fa07e4bf2ffdacce1906e49874819ca5567245538ab837260eb1c2f87126478ab5f8c724cf31dab4312185a21dd630be3f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b0a4bba23d1159e5e31dea97c04f4ac9
SHA17b9f7bb9470d13173333d3298b7a04c835cab1f6
SHA256051f29c1a9487ce4ed596c09310895bbdfaebf9b695c2ea244a93013cf27cca1
SHA5127606184a1ed8119ffe057fd6a1c70d4a95493132a2fc04b90dcd743f3576d3b0c786145814b9abbe7fd2deadf341bdfef09e080690e8468b983565ab4580dee9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d01d4b658a246d79ed003ce9af94cbf0
SHA17ff219077cd6a87fbe398e045c7b434fda2a5edd
SHA256ca656abb46bb6672e36e1dd21e139f6a107ecdc51174bbff98bd0c05a7ab7f45
SHA512118c736ba6e48466c247f84368f6b57cfee2cbe9fdff9277d95b3980c2ecc65d0f4bca1697dd5494f87ec87e5721bb64aec3691edee97f4744ecb6c6c6ca5dfa
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50feeaf4a81b46f35a2a4fb0ffe3718ef
SHA18479c83a4c6f5126358e85fd08b8673e2b48b625
SHA2563e25a95819c59666f4024d55c38505e063d466b15248ee36b08d66791039a675
SHA512f9bb7f538946674b2e69e4c08cbc1a1b0147afd7ec2d4c2d8bea8c218648754593f9c0ec045b7ddc081a427863b2eee954414276cb0fe97a11acc61d18b6c5b6
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Filesize
4.1MB
MD5838e700a25e6ddba76f99fc90d64674d
SHA1004a74051c1ffad9979a1e836aa325504a2c993c
SHA256714d9aff6e1b1ea1c6a7416db6d629b7a42797185fa0b8df2b0c4ff02c2f9ee3
SHA5122178b53edad39ab762ef38a9e496c54a412b2028baed19900b085ecba93e488e313ad8775f167b37c8212e737eea153f6187fb5ad8ae003644dc053e222ddd35
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec