Analysis
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max time kernel
149s -
max time network
151s -
platform
windows11-21h2_x64 -
resource
win11-20240419-en -
resource tags
arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system -
submitted
19-05-2024 14:02
Static task
static1
Behavioral task
behavioral1
Sample
d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe
Resource
win10v2004-20240508-en
General
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Target
d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe
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Size
4.1MB
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MD5
407f05eefb6949799759797bf6e11fb9
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SHA1
8326b35821a18449b59f8c40cdddfbf6a1a8d774
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SHA256
d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a
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SHA512
7a918d2ee193475c3b7f63f173652ab267244d7d27a90852abdb0d415887c929d53a64b46f1f719f282000a64508a8e4e267465828051e278a71c6f05d505e94
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SSDEEP
98304:UNaXJU8AJvaro5mDbVFqT6QhicqJuM7BOvJODhfBAiYJAl59WF:UqU8A9EamDpImBOY9f2NF
Malware Config
Signatures
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Glupteba payload 19 IoCs
Processes:
resource yara_rule behavioral2/memory/32-2-0x0000000004A00000-0x00000000052EB000-memory.dmp family_glupteba behavioral2/memory/32-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/32-98-0x0000000004A00000-0x00000000052EB000-memory.dmp family_glupteba behavioral2/memory/32-96-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/2004-124-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/32-147-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4116-199-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/4116-210-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/4116-212-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/4116-215-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/4116-219-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/4116-222-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/4116-224-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/4116-227-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/4116-231-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/4116-234-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/4116-236-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/4116-239-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/4116-243-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 1592 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 4116 csrss.exe 4788 injector.exe 3360 windefender.exe 2928 windefender.exe -
Processes:
resource yara_rule behavioral2/files/0x001a00000002ab36-203.dat upx behavioral2/memory/3360-205-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3360-209-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2928-208-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2928-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2928-218-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2928-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.execsrss.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe Set value (str) \REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
Processes:
csrss.exedescription ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File 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.
Processes:
d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe -
Drops file in Windows directory 4 IoCs
Processes:
d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.execsrss.exedescription ioc Process File opened for modification C:\Windows\rss d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe File created C:\Windows\rss\csrss.exe d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.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.
Processes:
sc.exepid Process 2828 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 3092 powershell.exe 3576 powershell.exe 1996 powershell.exe 2412 powershell.exe 3824 powershell.exe 5112 powershell.exe 1716 powershell.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exepid Process 4876 schtasks.exe 4588 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
windefender.exed7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process 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\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time" d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates 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\@tzres.dll,-542 = "Myanmar Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time" d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1021 = "Bangladesh Daylight Time" d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-732 = "Fiji Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-71 = "Newfoundland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2322 = "Sakhalin Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-271 = "Greenwich Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time" d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time" d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates 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,-1822 = "Russia TZ 1 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-191 = "Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2791 = "Novosibirsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2941 = "Sao Tome Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time" d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time" d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs 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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.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,-302 = "Romance Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-441 = "Arabian Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time" d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time" d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1892 = "Russia TZ 3 Standard Time" d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time" d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-231 = "Hawaiian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time" d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.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,-2372 = "Easter Island Standard Time" windefender.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,-242 = "Samoa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1842 = "Russia TZ 4 Standard Time" d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.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\SmartCardRoot 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\2a\52C64B7E\@tzres.dll,-452 = "Caucasus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-602 = "Taipei Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time" d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exed7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exepowershell.exed7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 1716 powershell.exe 1716 powershell.exe 32 d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe 32 d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe 3092 powershell.exe 3092 powershell.exe 2004 d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe 2004 d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe 2004 d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe 2004 d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe 2004 d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe 2004 d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe 2004 d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe 2004 d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe 2004 d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe 2004 d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe 3576 powershell.exe 3576 powershell.exe 1996 powershell.exe 1996 powershell.exe 2412 powershell.exe 2412 powershell.exe 3824 powershell.exe 3824 powershell.exe 5112 powershell.exe 5112 powershell.exe 4788 injector.exe 4788 injector.exe 4788 injector.exe 4788 injector.exe 4788 injector.exe 4788 injector.exe 4116 csrss.exe 4116 csrss.exe 4788 injector.exe 4788 injector.exe 4788 injector.exe 4788 injector.exe 4788 injector.exe 4788 injector.exe 4116 csrss.exe 4116 csrss.exe 4788 injector.exe 4788 injector.exe 4788 injector.exe 4788 injector.exe 4116 csrss.exe 4116 csrss.exe 4788 injector.exe 4788 injector.exe 4788 injector.exe 4788 injector.exe 4788 injector.exe 4788 injector.exe 4788 injector.exe 4788 injector.exe 4788 injector.exe 4788 injector.exe 4788 injector.exe 4788 injector.exe 4788 injector.exe 4788 injector.exe 4788 injector.exe 4788 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exed7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 1716 powershell.exe Token: SeDebugPrivilege 32 d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe Token: SeImpersonatePrivilege 32 d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe Token: SeDebugPrivilege 3092 powershell.exe Token: SeDebugPrivilege 3576 powershell.exe Token: SeDebugPrivilege 1996 powershell.exe Token: SeDebugPrivilege 2412 powershell.exe Token: SeDebugPrivilege 3824 powershell.exe Token: SeDebugPrivilege 5112 powershell.exe Token: SeSystemEnvironmentPrivilege 4116 csrss.exe Token: SeSecurityPrivilege 2828 sc.exe Token: SeSecurityPrivilege 2828 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exed7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 32 wrote to memory of 1716 32 d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe 82 PID 32 wrote to memory of 1716 32 d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe 82 PID 32 wrote to memory of 1716 32 d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe 82 PID 2004 wrote to memory of 3092 2004 d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe 87 PID 2004 wrote to memory of 3092 2004 d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe 87 PID 2004 wrote to memory of 3092 2004 d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe 87 PID 2004 wrote to memory of 4816 2004 d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe 89 PID 2004 wrote to memory of 4816 2004 d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe 89 PID 4816 wrote to memory of 1592 4816 cmd.exe 91 PID 4816 wrote to memory of 1592 4816 cmd.exe 91 PID 2004 wrote to memory of 3576 2004 d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe 92 PID 2004 wrote to memory of 3576 2004 d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe 92 PID 2004 wrote to memory of 3576 2004 d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe 92 PID 2004 wrote to memory of 1996 2004 d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe 94 PID 2004 wrote to memory of 1996 2004 d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe 94 PID 2004 wrote to memory of 1996 2004 d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe 94 PID 2004 wrote to memory of 4116 2004 d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe 96 PID 2004 wrote to memory of 4116 2004 d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe 96 PID 2004 wrote to memory of 4116 2004 d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe 96 PID 4116 wrote to memory of 2412 4116 csrss.exe 97 PID 4116 wrote to memory of 2412 4116 csrss.exe 97 PID 4116 wrote to memory of 2412 4116 csrss.exe 97 PID 4116 wrote to memory of 3824 4116 csrss.exe 102 PID 4116 wrote to memory of 3824 4116 csrss.exe 102 PID 4116 wrote to memory of 3824 4116 csrss.exe 102 PID 4116 wrote to memory of 5112 4116 csrss.exe 105 PID 4116 wrote to memory of 5112 4116 csrss.exe 105 PID 4116 wrote to memory of 5112 4116 csrss.exe 105 PID 4116 wrote to memory of 4788 4116 csrss.exe 107 PID 4116 wrote to memory of 4788 4116 csrss.exe 107 PID 3360 wrote to memory of 1108 3360 windefender.exe 113 PID 3360 wrote to memory of 1108 3360 windefender.exe 113 PID 3360 wrote to memory of 1108 3360 windefender.exe 113 PID 1108 wrote to memory of 2828 1108 cmd.exe 114 PID 1108 wrote to memory of 2828 1108 cmd.exe 114 PID 1108 wrote to memory of 2828 1108 cmd.exe 114 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe"C:\Users\Admin\AppData\Local\Temp\d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:32 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1716
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C:\Users\Admin\AppData\Local\Temp\d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe"C:\Users\Admin\AppData\Local\Temp\d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.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:2004 -
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:3092
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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:4816 -
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:1592
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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:3576
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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:1996
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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:4116 -
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:2412
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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:4876
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3880
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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:3824
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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:5112
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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:4788
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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:4588
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3360 -
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:1108 -
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:2828
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2928
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
MD5fdc6c3a50cc216246dd4a2b6ba79df55
SHA1d85b169531960777e535527d7b1cbc9385e61e62
SHA2565d04a0a519a941aeb3fd83b9f831bea481e4359f6d17b2e253202fbc8599dbc2
SHA512e2f4b245696527956559869f275bb6751f7a036594668b214b536d9a7f0fba39ae841d6ab8677e4c4276af6903d13eccacb5ded9643ac0efb1792357801b0154
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b559feed9334de9478b43372336610f2
SHA111797a5f6c0d72370af6365a935bfe8672dcc5f5
SHA25616f03260dfb74eb207160d1f5ff82937808cf316a3ab91854b34b5fe2d206fc7
SHA5121f54e8795dbb4ed056f74d52f67aa5b3b0a4a501849b17f937bf70101eb479ce1f28f6d5d05ac018296c14bb61d81783268e79ddc7e066022551502912d9a229
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5fdaf2730f617f4a0e095237638f3b413
SHA120ce11423e8e34a59a82170c3379e0e9f6394f5e
SHA2569a787092c294e6463cca22d6970f69cd5ca2d58f172f21c6600d50342ca74638
SHA512551665187480ebaa2c629cfbb995dc91f98e62e55b27943a80f35507b1b8e1ef4aa7a751344c29a415b039f78284c3a3422b946e85dc9de8051c088d20e528ba
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5edfb0c1cdc7706f5a4d0d53c2aacc7b7
SHA1586625d38fb40f7314ffe75142f4587ffaa359cd
SHA256803a99d1e4261240dfe7f4b8831b07ff0747ef23d51dbbfb2bd7ecce1741e8f2
SHA5127c720461840b170c45215d670b24129b9744b19f1b88bacf621d86c55f09360a3c7432ad7005ee239ea283fc9533c14bc5e562691de0a74edb9c93f82e630a15
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59721efa49120a75c4a86e6a3076bbc19
SHA1d83abd06ddb495609a21733a17ed9740126eefcd
SHA256ba20c6cb92e5cd30d9b27605279dad11eeb436ae85deee0f619cdf58ced7bcef
SHA512c5beeb908ecd4a90c256d21524ccc40ec2d651063690e69ea88e6d912f85fb4b561ef671826912d0b1a9001cd57004d19a96101e7d1d3d385eb6c7b55e9603ee
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Filesize
4.1MB
MD5407f05eefb6949799759797bf6e11fb9
SHA18326b35821a18449b59f8c40cdddfbf6a1a8d774
SHA256d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a
SHA5127a918d2ee193475c3b7f63f173652ab267244d7d27a90852abdb0d415887c929d53a64b46f1f719f282000a64508a8e4e267465828051e278a71c6f05d505e94
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec