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Analysis
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max time kernel
150s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
13/05/2024, 20:51
Static task
static1
Behavioral task
behavioral1
Sample
c188abb50e6470d9407d37c58967f139130a08b0d4742b7c2a17a66ce8e72994.exe
Resource
win10v2004-20240508-en
General
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Target
c188abb50e6470d9407d37c58967f139130a08b0d4742b7c2a17a66ce8e72994.exe
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Size
4.1MB
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MD5
e85c035504448b2ce0b7dea047c2aff2
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SHA1
159b5eac78b590b638479ad703dec0bd3177052f
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SHA256
c188abb50e6470d9407d37c58967f139130a08b0d4742b7c2a17a66ce8e72994
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SHA512
18ae15dc91c09d7a9c1498081384c647b4b43c08bc2fdec9bcb75b1c5dd836ecd7ec1ace8a52adbeafb2904f6200495cc6095699e9587ed3bacdfd8890c4f5ea
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SSDEEP
98304:3qpMRaJi3sEqIr6ilJJkay2XIp4ZT71i5GwG4N1PBcavz8ax:3qpMRJcE1nJkaVIp4ZT7zwBrzdx
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/2984-2-0x0000000004D80000-0x000000000566B000-memory.dmp family_glupteba behavioral1/memory/2984-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2984-27-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/2984-56-0x0000000004D80000-0x000000000566B000-memory.dmp family_glupteba behavioral1/memory/2984-57-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2984-54-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/4504-82-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/4504-134-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/2716-163-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/2716-220-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/2716-229-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/2716-230-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/2716-233-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/2716-235-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/2716-237-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/2716-238-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/2716-241-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/2716-243-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/2716-245-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2368 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2716 csrss.exe 1644 injector.exe 2836 windefender.exe 1324 windefender.exe -
resource yara_rule behavioral1/files/0x0008000000023412-223.dat upx behavioral1/memory/2836-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2836-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1324-231-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1324-234-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" c188abb50e6470d9407d37c58967f139130a08b0d4742b7c2a17a66ce8e72994.exe Set value (str) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\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 created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN c188abb50e6470d9407d37c58967f139130a08b0d4742b7c2a17a66ce8e72994.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss c188abb50e6470d9407d37c58967f139130a08b0d4742b7c2a17a66ce8e72994.exe File created C:\Windows\rss\csrss.exe c188abb50e6470d9407d37c58967f139130a08b0d4742b7c2a17a66ce8e72994.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 880 sc.exe -
pid Process 1636 powershell.exe 4052 powershell.exe 3156 powershell.exe 400 powershell.exe 1720 powershell.exe 4824 powershell.exe 3052 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 3832 schtasks.exe 808 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.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,-365 = "Middle East Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-51 = "Greenland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time" c188abb50e6470d9407d37c58967f139130a08b0d4742b7c2a17a66ce8e72994.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-52 = "Greenland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" c188abb50e6470d9407d37c58967f139130a08b0d4742b7c2a17a66ce8e72994.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time" c188abb50e6470d9407d37c58967f139130a08b0d4742b7c2a17a66ce8e72994.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-361 = "GTB Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1722 = "Libya Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-162 = "Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-272 = "Greenwich Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time" c188abb50e6470d9407d37c58967f139130a08b0d4742b7c2a17a66ce8e72994.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time" c188abb50e6470d9407d37c58967f139130a08b0d4742b7c2a17a66ce8e72994.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" c188abb50e6470d9407d37c58967f139130a08b0d4742b7c2a17a66ce8e72994.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-541 = "Myanmar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-384 = "Namibia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-742 = "New Zealand Standard Time" windefender.exe 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 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,-2632 = "Norfolk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time" c188abb50e6470d9407d37c58967f139130a08b0d4742b7c2a17a66ce8e72994.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time" c188abb50e6470d9407d37c58967f139130a08b0d4742b7c2a17a66ce8e72994.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time" c188abb50e6470d9407d37c58967f139130a08b0d4742b7c2a17a66ce8e72994.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time" c188abb50e6470d9407d37c58967f139130a08b0d4742b7c2a17a66ce8e72994.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3052 = "Qyzylorda Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1411 = "Syria Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-931 = "Coordinated Universal Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-721 = "Central Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" c188abb50e6470d9407d37c58967f139130a08b0d4742b7c2a17a66ce8e72994.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time" c188abb50e6470d9407d37c58967f139130a08b0d4742b7c2a17a66ce8e72994.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time" c188abb50e6470d9407d37c58967f139130a08b0d4742b7c2a17a66ce8e72994.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time" c188abb50e6470d9407d37c58967f139130a08b0d4742b7c2a17a66ce8e72994.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 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\C:\Windows\system32\,@tzres.dll,-2531 = "Chatham Islands Daylight Time" c188abb50e6470d9407d37c58967f139130a08b0d4742b7c2a17a66ce8e72994.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" c188abb50e6470d9407d37c58967f139130a08b0d4742b7c2a17a66ce8e72994.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)" c188abb50e6470d9407d37c58967f139130a08b0d4742b7c2a17a66ce8e72994.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" c188abb50e6470d9407d37c58967f139130a08b0d4742b7c2a17a66ce8e72994.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2412 = "Marquesas Standard 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\@tzres.dll,-151 = "Central America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-412 = "E. Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time" c188abb50e6470d9407d37c58967f139130a08b0d4742b7c2a17a66ce8e72994.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time" c188abb50e6470d9407d37c58967f139130a08b0d4742b7c2a17a66ce8e72994.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time" c188abb50e6470d9407d37c58967f139130a08b0d4742b7c2a17a66ce8e72994.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time" c188abb50e6470d9407d37c58967f139130a08b0d4742b7c2a17a66ce8e72994.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-335 = "Jordan Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 400 powershell.exe 400 powershell.exe 2984 c188abb50e6470d9407d37c58967f139130a08b0d4742b7c2a17a66ce8e72994.exe 2984 c188abb50e6470d9407d37c58967f139130a08b0d4742b7c2a17a66ce8e72994.exe 1720 powershell.exe 1720 powershell.exe 4504 c188abb50e6470d9407d37c58967f139130a08b0d4742b7c2a17a66ce8e72994.exe 4504 c188abb50e6470d9407d37c58967f139130a08b0d4742b7c2a17a66ce8e72994.exe 4504 c188abb50e6470d9407d37c58967f139130a08b0d4742b7c2a17a66ce8e72994.exe 4504 c188abb50e6470d9407d37c58967f139130a08b0d4742b7c2a17a66ce8e72994.exe 4504 c188abb50e6470d9407d37c58967f139130a08b0d4742b7c2a17a66ce8e72994.exe 4504 c188abb50e6470d9407d37c58967f139130a08b0d4742b7c2a17a66ce8e72994.exe 4504 c188abb50e6470d9407d37c58967f139130a08b0d4742b7c2a17a66ce8e72994.exe 4504 c188abb50e6470d9407d37c58967f139130a08b0d4742b7c2a17a66ce8e72994.exe 4504 c188abb50e6470d9407d37c58967f139130a08b0d4742b7c2a17a66ce8e72994.exe 4504 c188abb50e6470d9407d37c58967f139130a08b0d4742b7c2a17a66ce8e72994.exe 4824 powershell.exe 4824 powershell.exe 3052 powershell.exe 3052 powershell.exe 1636 powershell.exe 1636 powershell.exe 4052 powershell.exe 4052 powershell.exe 3156 powershell.exe 3156 powershell.exe 1644 injector.exe 1644 injector.exe 1644 injector.exe 1644 injector.exe 1644 injector.exe 1644 injector.exe 2716 csrss.exe 2716 csrss.exe 1644 injector.exe 1644 injector.exe 1644 injector.exe 1644 injector.exe 1644 injector.exe 1644 injector.exe 2716 csrss.exe 2716 csrss.exe 1644 injector.exe 1644 injector.exe 2716 csrss.exe 2716 csrss.exe 1644 injector.exe 1644 injector.exe 1644 injector.exe 1644 injector.exe 1644 injector.exe 1644 injector.exe 1644 injector.exe 1644 injector.exe 1644 injector.exe 1644 injector.exe 1644 injector.exe 1644 injector.exe 1644 injector.exe 1644 injector.exe 1644 injector.exe 1644 injector.exe 1644 injector.exe 1644 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 400 powershell.exe Token: SeDebugPrivilege 2984 c188abb50e6470d9407d37c58967f139130a08b0d4742b7c2a17a66ce8e72994.exe Token: SeImpersonatePrivilege 2984 c188abb50e6470d9407d37c58967f139130a08b0d4742b7c2a17a66ce8e72994.exe Token: SeDebugPrivilege 1720 powershell.exe Token: SeDebugPrivilege 4824 powershell.exe Token: SeDebugPrivilege 3052 powershell.exe Token: SeDebugPrivilege 1636 powershell.exe Token: SeDebugPrivilege 4052 powershell.exe Token: SeDebugPrivilege 3156 powershell.exe Token: SeSystemEnvironmentPrivilege 2716 csrss.exe Token: SeSecurityPrivilege 880 sc.exe Token: SeSecurityPrivilege 880 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2984 wrote to memory of 400 2984 c188abb50e6470d9407d37c58967f139130a08b0d4742b7c2a17a66ce8e72994.exe 88 PID 2984 wrote to memory of 400 2984 c188abb50e6470d9407d37c58967f139130a08b0d4742b7c2a17a66ce8e72994.exe 88 PID 2984 wrote to memory of 400 2984 c188abb50e6470d9407d37c58967f139130a08b0d4742b7c2a17a66ce8e72994.exe 88 PID 4504 wrote to memory of 1720 4504 c188abb50e6470d9407d37c58967f139130a08b0d4742b7c2a17a66ce8e72994.exe 93 PID 4504 wrote to memory of 1720 4504 c188abb50e6470d9407d37c58967f139130a08b0d4742b7c2a17a66ce8e72994.exe 93 PID 4504 wrote to memory of 1720 4504 c188abb50e6470d9407d37c58967f139130a08b0d4742b7c2a17a66ce8e72994.exe 93 PID 4504 wrote to memory of 3492 4504 c188abb50e6470d9407d37c58967f139130a08b0d4742b7c2a17a66ce8e72994.exe 95 PID 4504 wrote to memory of 3492 4504 c188abb50e6470d9407d37c58967f139130a08b0d4742b7c2a17a66ce8e72994.exe 95 PID 3492 wrote to memory of 2368 3492 cmd.exe 97 PID 3492 wrote to memory of 2368 3492 cmd.exe 97 PID 4504 wrote to memory of 4824 4504 c188abb50e6470d9407d37c58967f139130a08b0d4742b7c2a17a66ce8e72994.exe 98 PID 4504 wrote to memory of 4824 4504 c188abb50e6470d9407d37c58967f139130a08b0d4742b7c2a17a66ce8e72994.exe 98 PID 4504 wrote to memory of 4824 4504 c188abb50e6470d9407d37c58967f139130a08b0d4742b7c2a17a66ce8e72994.exe 98 PID 4504 wrote to memory of 3052 4504 c188abb50e6470d9407d37c58967f139130a08b0d4742b7c2a17a66ce8e72994.exe 101 PID 4504 wrote to memory of 3052 4504 c188abb50e6470d9407d37c58967f139130a08b0d4742b7c2a17a66ce8e72994.exe 101 PID 4504 wrote to memory of 3052 4504 c188abb50e6470d9407d37c58967f139130a08b0d4742b7c2a17a66ce8e72994.exe 101 PID 4504 wrote to memory of 2716 4504 c188abb50e6470d9407d37c58967f139130a08b0d4742b7c2a17a66ce8e72994.exe 103 PID 4504 wrote to memory of 2716 4504 c188abb50e6470d9407d37c58967f139130a08b0d4742b7c2a17a66ce8e72994.exe 103 PID 4504 wrote to memory of 2716 4504 c188abb50e6470d9407d37c58967f139130a08b0d4742b7c2a17a66ce8e72994.exe 103 PID 2716 wrote to memory of 1636 2716 csrss.exe 105 PID 2716 wrote to memory of 1636 2716 csrss.exe 105 PID 2716 wrote to memory of 1636 2716 csrss.exe 105 PID 2716 wrote to memory of 4052 2716 csrss.exe 111 PID 2716 wrote to memory of 4052 2716 csrss.exe 111 PID 2716 wrote to memory of 4052 2716 csrss.exe 111 PID 2716 wrote to memory of 3156 2716 csrss.exe 113 PID 2716 wrote to memory of 3156 2716 csrss.exe 113 PID 2716 wrote to memory of 3156 2716 csrss.exe 113 PID 2716 wrote to memory of 1644 2716 csrss.exe 115 PID 2716 wrote to memory of 1644 2716 csrss.exe 115 PID 2836 wrote to memory of 4608 2836 windefender.exe 121 PID 2836 wrote to memory of 4608 2836 windefender.exe 121 PID 2836 wrote to memory of 4608 2836 windefender.exe 121 PID 4608 wrote to memory of 880 4608 cmd.exe 122 PID 4608 wrote to memory of 880 4608 cmd.exe 122 PID 4608 wrote to memory of 880 4608 cmd.exe 122 -
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\c188abb50e6470d9407d37c58967f139130a08b0d4742b7c2a17a66ce8e72994.exe"C:\Users\Admin\AppData\Local\Temp\c188abb50e6470d9407d37c58967f139130a08b0d4742b7c2a17a66ce8e72994.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2984 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:400
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C:\Users\Admin\AppData\Local\Temp\c188abb50e6470d9407d37c58967f139130a08b0d4742b7c2a17a66ce8e72994.exe"C:\Users\Admin\AppData\Local\Temp\c188abb50e6470d9407d37c58967f139130a08b0d4742b7c2a17a66ce8e72994.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:4504 -
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:1720
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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:3492 -
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:2368
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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:4824
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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:3052
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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:2716 -
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:1636
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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:3832
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:5052
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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:4052
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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:3156
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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:1644
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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:808
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2836 -
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:4608 -
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:880
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1324
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
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b97be0d45160ba699a240619839023cd
SHA13b85588f33cfe2d92e7cbe1a97017c91dc1a2f9f
SHA256f668e8571cd0544679709b59b51ec6275ee30170a03966225208a1a148ee153d
SHA5126dfb41a9326f34435aee01513080291d2910a8aa492446f657bb87d669c14f2de818512e030a9c0598adf743d51d4acc490c87f8fe6824f543812261160a2937
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD555c24d4a63fdec3f9bff99cf8b8af72c
SHA1fa044f39c28c4e81178a907e84956472e8bc6462
SHA25613af0116f827eafe67674d6a2972a0cf5a62cf0efe679fa330ed0185a6e5090a
SHA51291060b3d32e2407f39532ad6cf4ad266e6a489839d7ae4ff0141ec5aacf70ecdf97e644d90091b51bac582addce6b810dbefd6f2543a0141fe5160abc46ecac3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58de7f37d3252f8d95d1253d31ce59c84
SHA1435a8472bda78147e67ef327508cdb78926bbab2
SHA256e91b35c2f23a047eb4c5631a558c73b2b9e1227e7b84e895818ee3fd76f725a9
SHA5121a7bbe6fdb272fd762ac1a1021e276d6267891edf2120b4279bf689f386da41a1c2885d7bc38463cb01ab8dc18b52af0472ed790e2cd68ebf9251cfc972dea96
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ea8c8b8d5f04e5c63d05faef9f8f51b5
SHA112fa21214b9e458d0e3f78bbacc705cd705e06df
SHA256b7f94b19bcddcee8cbc5ab03a4d3f11941ef3d763c538fd2c420a02b911e4ddc
SHA51281b19a595014c716b540f172c032938941f9544e4afc98f8f2872ead62b51fced8c65ecb517809d05bd7b69b6b1b89ae8fdbefa8ac415451ad34933460d85fdf
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51ccfcb7ed7c903538187e9a139650b5f
SHA188463d9d9885af01b0402c3e5274551f31fbd4b0
SHA256b6cb30811e3f79b23aa204322d2a855b0935455b6f94260976e14e4d976dca99
SHA512a5d331f7a2f341310ae7f001af7dc7eee9f796bb1dfa3a6b2a0406d32ee479b7bea78413f86b1da8d8485405ad4cb91a4bb9603181969eb6954606455380fb9a
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Filesize
4.1MB
MD5e85c035504448b2ce0b7dea047c2aff2
SHA1159b5eac78b590b638479ad703dec0bd3177052f
SHA256c188abb50e6470d9407d37c58967f139130a08b0d4742b7c2a17a66ce8e72994
SHA51218ae15dc91c09d7a9c1498081384c647b4b43c08bc2fdec9bcb75b1c5dd836ecd7ec1ace8a52adbeafb2904f6200495cc6095699e9587ed3bacdfd8890c4f5ea
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec