Analysis
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max time kernel
149s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
19-05-2024 14:13
Static task
static1
Behavioral task
behavioral1
Sample
d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe
Resource
win7-20240215-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/1820-2-0x00000000048C0000-0x00000000051AB000-memory.dmp family_glupteba behavioral2/memory/1820-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1820-134-0x00000000048C0000-0x00000000051AB000-memory.dmp family_glupteba behavioral2/memory/1820-132-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/2716-182-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/1820-207-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3004-215-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/3004-227-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/3004-231-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/3004-235-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/3004-239-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/3004-243-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/3004-247-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/3004-251-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/3004-255-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/3004-259-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/3004-263-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/3004-267-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/3004-271-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 5108 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 3004 csrss.exe 3000 injector.exe 3576 windefender.exe 1836 windefender.exe -
Processes:
resource yara_rule behavioral2/files/0x0008000000023412-219.dat upx behavioral2/memory/3576-220-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1836-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3576-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1836-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1836-237-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1836-249-0x0000000000400000-0x00000000008DF000-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-1-5-21-1162180587-977231257-2194346871-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe Set value (str) \REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\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 created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
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 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 File opened for modification C:\Windows\rss d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
Processes:
sc.exepid Process 2300 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 2044 powershell.exe 2220 powershell.exe 1224 powershell.exe 2704 powershell.exe 4296 powershell.exe 3412 powershell.exe 1064 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 1848 schtasks.exe 2888 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exepowershell.exepowershell.exewindefender.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)" d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2612 = "Bougainville Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1832 = "Russia TZ 2 Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust 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,-2002 = "Cabo Verde Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-152 = "Central America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-291 = "Central European Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1802 = "Line Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time" d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.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\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-391 = "Arab Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-141 = "Canada Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-832 = "SA Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time" d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time" d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.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,-1861 = "Russia TZ 6 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2321 = "Sakhalin Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-131 = "US Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time" d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time" d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-81 = "Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2142 = "Transbaikal Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2182 = "Astrakhan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-262 = "GMT Standard 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" d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time" d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time" d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2491 = "Aus Central W. Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-282 = "Central Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-411 = "E. Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-772 = "Montevideo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3051 = "Qyzylorda Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-121 = "SA Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-132 = "US Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight 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,-2592 = "Tocantins Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1501 = "Turkey Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time" d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time" d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.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\@tzres.dll,-448 = "Azerbaijan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-301 = "Romance Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-241 = "Samoa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time" d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root 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,-2001 = "Cabo Verde Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-431 = "Iran Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exed7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exepowershell.exed7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 4296 powershell.exe 4296 powershell.exe 1820 d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe 1820 d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe 3412 powershell.exe 3412 powershell.exe 2716 d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe 2716 d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe 2716 d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe 2716 d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe 2716 d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe 2716 d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe 2716 d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe 2716 d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe 2716 d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe 2716 d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe 1064 powershell.exe 1064 powershell.exe 2044 powershell.exe 2044 powershell.exe 2220 powershell.exe 2220 powershell.exe 1224 powershell.exe 1224 powershell.exe 2704 powershell.exe 2704 powershell.exe 3000 injector.exe 3000 injector.exe 3000 injector.exe 3000 injector.exe 3000 injector.exe 3000 injector.exe 3004 csrss.exe 3004 csrss.exe 3000 injector.exe 3000 injector.exe 3000 injector.exe 3000 injector.exe 3000 injector.exe 3000 injector.exe 3004 csrss.exe 3004 csrss.exe 3000 injector.exe 3000 injector.exe 3004 csrss.exe 3004 csrss.exe 3000 injector.exe 3000 injector.exe 3000 injector.exe 3000 injector.exe 3000 injector.exe 3000 injector.exe 3000 injector.exe 3000 injector.exe 3000 injector.exe 3000 injector.exe 3000 injector.exe 3000 injector.exe 3000 injector.exe 3000 injector.exe 3000 injector.exe 3000 injector.exe 3000 injector.exe 3000 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exed7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 4296 powershell.exe Token: SeDebugPrivilege 1820 d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe Token: SeImpersonatePrivilege 1820 d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe Token: SeDebugPrivilege 3412 powershell.exe Token: SeDebugPrivilege 1064 powershell.exe Token: SeDebugPrivilege 2044 powershell.exe Token: SeDebugPrivilege 2220 powershell.exe Token: SeDebugPrivilege 1224 powershell.exe Token: SeDebugPrivilege 2704 powershell.exe Token: SeSystemEnvironmentPrivilege 3004 csrss.exe Token: SeSecurityPrivilege 2300 sc.exe Token: SeSecurityPrivilege 2300 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exed7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 1820 wrote to memory of 4296 1820 d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe 84 PID 1820 wrote to memory of 4296 1820 d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe 84 PID 1820 wrote to memory of 4296 1820 d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe 84 PID 2716 wrote to memory of 3412 2716 d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe 95 PID 2716 wrote to memory of 3412 2716 d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe 95 PID 2716 wrote to memory of 3412 2716 d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe 95 PID 2716 wrote to memory of 2832 2716 d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe 99 PID 2716 wrote to memory of 2832 2716 d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe 99 PID 2832 wrote to memory of 5108 2832 cmd.exe 101 PID 2832 wrote to memory of 5108 2832 cmd.exe 101 PID 2716 wrote to memory of 1064 2716 d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe 102 PID 2716 wrote to memory of 1064 2716 d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe 102 PID 2716 wrote to memory of 1064 2716 d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe 102 PID 2716 wrote to memory of 2044 2716 d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe 106 PID 2716 wrote to memory of 2044 2716 d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe 106 PID 2716 wrote to memory of 2044 2716 d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe 106 PID 2716 wrote to memory of 3004 2716 d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe 108 PID 2716 wrote to memory of 3004 2716 d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe 108 PID 2716 wrote to memory of 3004 2716 d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe 108 PID 3004 wrote to memory of 2220 3004 csrss.exe 109 PID 3004 wrote to memory of 2220 3004 csrss.exe 109 PID 3004 wrote to memory of 2220 3004 csrss.exe 109 PID 3004 wrote to memory of 1224 3004 csrss.exe 115 PID 3004 wrote to memory of 1224 3004 csrss.exe 115 PID 3004 wrote to memory of 1224 3004 csrss.exe 115 PID 3004 wrote to memory of 2704 3004 csrss.exe 117 PID 3004 wrote to memory of 2704 3004 csrss.exe 117 PID 3004 wrote to memory of 2704 3004 csrss.exe 117 PID 3004 wrote to memory of 3000 3004 csrss.exe 119 PID 3004 wrote to memory of 3000 3004 csrss.exe 119 PID 3576 wrote to memory of 3408 3576 windefender.exe 125 PID 3576 wrote to memory of 3408 3576 windefender.exe 125 PID 3576 wrote to memory of 3408 3576 windefender.exe 125 PID 3408 wrote to memory of 2300 3408 cmd.exe 126 PID 3408 wrote to memory of 2300 3408 cmd.exe 126 PID 3408 wrote to memory of 2300 3408 cmd.exe 126 -
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:1820 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4296
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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:2716 -
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:3412
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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:2832 -
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:5108
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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:1064
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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:2044
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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:3004 -
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:2220
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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:1848
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:412
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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:1224
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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:2704
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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:3000
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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:2888
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3576 -
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:3408 -
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:2300
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1836
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
MD5b44b6b5d9bd70cbbd4479e8ca50edba6
SHA1a24cb4364670312ce3d7f01676fa54b1306d317c
SHA2569c78f3566ede1de69aeff97a4e9fe5fcfa516b2352c2e4e0e9c9cd61234d1419
SHA5124ae52a9afb7a5f29e08d81adf4a57a4e68ff512e1fe15cedcba974c98b4ae254a377b515567a8324620d3248d17ef0e903c940fcdef3608e067b050335afbf2a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5cbc0d99aeae0be7a3450c677d12de545
SHA1684599b0166452d81f4dbd116b54a75b0ad5dc01
SHA256fedee8877147fb754fb15223776ebfc43e2b5ba7e89ef4a6e54ce4c9e0fbcf85
SHA5121ee7d613f76bb933b37daf3daa0de35a20bb85cbae6749b72f07cd4ff5b481f9481dbc14187678e5b9dadba3c7c09a6629d5e9d14a64227728cb2e9b6e2c5eaa
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD563735b283ca56bc794250639e64bcfdf
SHA10923e2fe35670095c7b0ec530ad092aae163b7d2
SHA256bcacf0f867c099e9d49c1ea13294c837155fcb2c17d2419093d9042e4faae576
SHA512ba04d34ae1d5e844cb02de91c3326714a74ecdcba337fd62fa170c2aedb7660137fb11e4dc98207b5dbd0cd93305a390eff1ee72a21e3bcf737fd0d89629b8ec
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56cec23b2c1aec3b4216ddd612d8d5c22
SHA15527a47ec167579c801722c14aba233f74d27431
SHA2564487c8bdb10f0c222675ebc05eb1496044b599785b73b89791bdc09641f71587
SHA512e666cfb1c376e0c16410da3c119875076b8e2d64d780ee9456925e790de9ecdb4479e6a0397fd3021e419000a16c7ed749b29e0bfa84ec8c9e2b9389c2edb42c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53193c8ed2563df93829ec77345ee72fd
SHA1d64f8343088de9296dd2d48c6af8cd199dff7f6c
SHA25692afde31740f9fa28d580385404275de3a58a205f0b1386171f0cb86630e57d5
SHA5129a14da5af973e8dffbfd4f916bf1c3ca6e58c64d7635b043217a792ba1d25e11a9cf98c98c78164395a39694c3f286e4542692b907d646e436a92fb62f399f04
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Filesize
4.1MB
MD5407f05eefb6949799759797bf6e11fb9
SHA18326b35821a18449b59f8c40cdddfbf6a1a8d774
SHA256d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a
SHA5127a918d2ee193475c3b7f63f173652ab267244d7d27a90852abdb0d415887c929d53a64b46f1f719f282000a64508a8e4e267465828051e278a71c6f05d505e94
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec