Analysis
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max time kernel
149s -
max time network
149s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
17-05-2024 21:49
Static task
static1
Behavioral task
behavioral1
Sample
45e4443b1a5f5cadf1280d8e7f6dc0ecf453cd2e6c1463d92dac534d69afc739.exe
Resource
win10v2004-20240426-en
General
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Target
45e4443b1a5f5cadf1280d8e7f6dc0ecf453cd2e6c1463d92dac534d69afc739.exe
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Size
4.1MB
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MD5
3fa7683b12e5363bfba20f6dbac26ab3
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SHA1
07c3bd19b5061d9e37f0696d9060953e6db2f7eb
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SHA256
45e4443b1a5f5cadf1280d8e7f6dc0ecf453cd2e6c1463d92dac534d69afc739
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SHA512
fb23e8fce9b7bd7f4c90170e1fe8eab64bc53f50ac8b190af3cc86bc73395a772af9aac614f54b5afdaa0291e7794e1cea75fc591f0bdb883fb48ef985ee5948
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SSDEEP
98304:d/1aS45wg9wCj95WS7Tld+z+RCAmv1nHALSIF:d/oSJg9H959pd0eCv1HALSe
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/5048-2-0x0000000004D60000-0x000000000564B000-memory.dmp family_glupteba behavioral2/memory/5048-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5048-78-0x0000000004D60000-0x000000000564B000-memory.dmp family_glupteba behavioral2/memory/5048-76-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/5048-136-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1504-135-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/2692-196-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/2692-210-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/2692-216-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/2692-220-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/2692-224-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/2692-228-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/2692-232-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/2692-236-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/2692-240-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/2692-244-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/2692-248-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/2692-252-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/2692-256-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1552 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2692 csrss.exe 2188 injector.exe 1020 windefender.exe 4972 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a9d2-205.dat upx behavioral2/memory/1020-207-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4972-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1020-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4972-217-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4972-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2457560273-69882387-977367775-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 45e4443b1a5f5cadf1280d8e7f6dc0ecf453cd2e6c1463d92dac534d69afc739.exe Set value (str) \REGISTRY\USER\S-1-5-21-2457560273-69882387-977367775-1000\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 45e4443b1a5f5cadf1280d8e7f6dc0ecf453cd2e6c1463d92dac534d69afc739.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 45e4443b1a5f5cadf1280d8e7f6dc0ecf453cd2e6c1463d92dac534d69afc739.exe File created C:\Windows\rss\csrss.exe 45e4443b1a5f5cadf1280d8e7f6dc0ecf453cd2e6c1463d92dac534d69afc739.exe File created 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 2576 sc.exe -
pid Process 1388 powershell.exe 1156 powershell.exe 916 powershell.exe 892 powershell.exe 4452 powershell.exe 3448 powershell.exe 4880 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 2120 schtasks.exe 4732 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" 45e4443b1a5f5cadf1280d8e7f6dc0ecf453cd2e6c1463d92dac534d69afc739.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs 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,-92 = "Pacific SA Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time" 45e4443b1a5f5cadf1280d8e7f6dc0ecf453cd2e6c1463d92dac534d69afc739.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time" 45e4443b1a5f5cadf1280d8e7f6dc0ecf453cd2e6c1463d92dac534d69afc739.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\@tzres.dll,-382 = "South Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2751 = "Tomsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" 45e4443b1a5f5cadf1280d8e7f6dc0ecf453cd2e6c1463d92dac534d69afc739.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs 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\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs 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,-1801 = "Line Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1932 = "Russia TZ 11 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time" 45e4443b1a5f5cadf1280d8e7f6dc0ecf453cd2e6c1463d92dac534d69afc739.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\C:\Windows\system32\,@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" 45e4443b1a5f5cadf1280d8e7f6dc0ecf453cd2e6c1463d92dac534d69afc739.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time" 45e4443b1a5f5cadf1280d8e7f6dc0ecf453cd2e6c1463d92dac534d69afc739.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.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\@tzres.dll,-281 = "Central Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-691 = "Tasmania Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time" 45e4443b1a5f5cadf1280d8e7f6dc0ecf453cd2e6c1463d92dac534d69afc739.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" 45e4443b1a5f5cadf1280d8e7f6dc0ecf453cd2e6c1463d92dac534d69afc739.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2432 = "Cuba Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-681 = "E. Australia Daylight 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\@tzres.dll,-2572 = "Turks and Caicos Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" 45e4443b1a5f5cadf1280d8e7f6dc0ecf453cd2e6c1463d92dac534d69afc739.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-451 = "Caucasus Daylight Time" windefender.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,-461 = "Afghanistan Daylight Time" windefender.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,-532 = "Sri Lanka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time" 45e4443b1a5f5cadf1280d8e7f6dc0ecf453cd2e6c1463d92dac534d69afc739.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time" 45e4443b1a5f5cadf1280d8e7f6dc0ecf453cd2e6c1463d92dac534d69afc739.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time" 45e4443b1a5f5cadf1280d8e7f6dc0ecf453cd2e6c1463d92dac534d69afc739.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time" 45e4443b1a5f5cadf1280d8e7f6dc0ecf453cd2e6c1463d92dac534d69afc739.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe 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,-105 = "Central Brazilian Standard Time" windefender.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,-71 = "Newfoundland Daylight Time" 45e4443b1a5f5cadf1280d8e7f6dc0ecf453cd2e6c1463d92dac534d69afc739.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" 45e4443b1a5f5cadf1280d8e7f6dc0ecf453cd2e6c1463d92dac534d69afc739.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-104 = "Central Brazilian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-334 = "Jordan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2871 = "Magallanes Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" 45e4443b1a5f5cadf1280d8e7f6dc0ecf453cd2e6c1463d92dac534d69afc739.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time" 45e4443b1a5f5cadf1280d8e7f6dc0ecf453cd2e6c1463d92dac534d69afc739.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" 45e4443b1a5f5cadf1280d8e7f6dc0ecf453cd2e6c1463d92dac534d69afc739.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1932 = "Russia TZ 11 Standard Time" 45e4443b1a5f5cadf1280d8e7f6dc0ecf453cd2e6c1463d92dac534d69afc739.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" 45e4443b1a5f5cadf1280d8e7f6dc0ecf453cd2e6c1463d92dac534d69afc739.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,-671 = "AUS Eastern Daylight Time" 45e4443b1a5f5cadf1280d8e7f6dc0ecf453cd2e6c1463d92dac534d69afc739.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" 45e4443b1a5f5cadf1280d8e7f6dc0ecf453cd2e6c1463d92dac534d69afc739.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.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\@tzres.dll,-221 = "Alaskan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" 45e4443b1a5f5cadf1280d8e7f6dc0ecf453cd2e6c1463d92dac534d69afc739.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4452 powershell.exe 4452 powershell.exe 5048 45e4443b1a5f5cadf1280d8e7f6dc0ecf453cd2e6c1463d92dac534d69afc739.exe 5048 45e4443b1a5f5cadf1280d8e7f6dc0ecf453cd2e6c1463d92dac534d69afc739.exe 3448 powershell.exe 3448 powershell.exe 1504 45e4443b1a5f5cadf1280d8e7f6dc0ecf453cd2e6c1463d92dac534d69afc739.exe 1504 45e4443b1a5f5cadf1280d8e7f6dc0ecf453cd2e6c1463d92dac534d69afc739.exe 1504 45e4443b1a5f5cadf1280d8e7f6dc0ecf453cd2e6c1463d92dac534d69afc739.exe 1504 45e4443b1a5f5cadf1280d8e7f6dc0ecf453cd2e6c1463d92dac534d69afc739.exe 1504 45e4443b1a5f5cadf1280d8e7f6dc0ecf453cd2e6c1463d92dac534d69afc739.exe 1504 45e4443b1a5f5cadf1280d8e7f6dc0ecf453cd2e6c1463d92dac534d69afc739.exe 1504 45e4443b1a5f5cadf1280d8e7f6dc0ecf453cd2e6c1463d92dac534d69afc739.exe 1504 45e4443b1a5f5cadf1280d8e7f6dc0ecf453cd2e6c1463d92dac534d69afc739.exe 1504 45e4443b1a5f5cadf1280d8e7f6dc0ecf453cd2e6c1463d92dac534d69afc739.exe 1504 45e4443b1a5f5cadf1280d8e7f6dc0ecf453cd2e6c1463d92dac534d69afc739.exe 4880 powershell.exe 4880 powershell.exe 1388 powershell.exe 1388 powershell.exe 1156 powershell.exe 1156 powershell.exe 916 powershell.exe 916 powershell.exe 892 powershell.exe 892 powershell.exe 2188 injector.exe 2188 injector.exe 2188 injector.exe 2188 injector.exe 2188 injector.exe 2188 injector.exe 2188 injector.exe 2188 injector.exe 2692 csrss.exe 2692 csrss.exe 2188 injector.exe 2188 injector.exe 2188 injector.exe 2188 injector.exe 2692 csrss.exe 2692 csrss.exe 2188 injector.exe 2188 injector.exe 2692 csrss.exe 2692 csrss.exe 2188 injector.exe 2188 injector.exe 2188 injector.exe 2188 injector.exe 2188 injector.exe 2188 injector.exe 2188 injector.exe 2188 injector.exe 2188 injector.exe 2188 injector.exe 2188 injector.exe 2188 injector.exe 2188 injector.exe 2188 injector.exe 2188 injector.exe 2188 injector.exe 2188 injector.exe 2188 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4452 powershell.exe Token: SeDebugPrivilege 5048 45e4443b1a5f5cadf1280d8e7f6dc0ecf453cd2e6c1463d92dac534d69afc739.exe Token: SeImpersonatePrivilege 5048 45e4443b1a5f5cadf1280d8e7f6dc0ecf453cd2e6c1463d92dac534d69afc739.exe Token: SeDebugPrivilege 3448 powershell.exe Token: SeDebugPrivilege 4880 powershell.exe Token: SeDebugPrivilege 1388 powershell.exe Token: SeDebugPrivilege 1156 powershell.exe Token: SeDebugPrivilege 916 powershell.exe Token: SeDebugPrivilege 892 powershell.exe Token: SeSystemEnvironmentPrivilege 2692 csrss.exe Token: SeSecurityPrivilege 2576 sc.exe Token: SeSecurityPrivilege 2576 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 5048 wrote to memory of 4452 5048 45e4443b1a5f5cadf1280d8e7f6dc0ecf453cd2e6c1463d92dac534d69afc739.exe 82 PID 5048 wrote to memory of 4452 5048 45e4443b1a5f5cadf1280d8e7f6dc0ecf453cd2e6c1463d92dac534d69afc739.exe 82 PID 5048 wrote to memory of 4452 5048 45e4443b1a5f5cadf1280d8e7f6dc0ecf453cd2e6c1463d92dac534d69afc739.exe 82 PID 1504 wrote to memory of 3448 1504 45e4443b1a5f5cadf1280d8e7f6dc0ecf453cd2e6c1463d92dac534d69afc739.exe 87 PID 1504 wrote to memory of 3448 1504 45e4443b1a5f5cadf1280d8e7f6dc0ecf453cd2e6c1463d92dac534d69afc739.exe 87 PID 1504 wrote to memory of 3448 1504 45e4443b1a5f5cadf1280d8e7f6dc0ecf453cd2e6c1463d92dac534d69afc739.exe 87 PID 1504 wrote to memory of 2576 1504 45e4443b1a5f5cadf1280d8e7f6dc0ecf453cd2e6c1463d92dac534d69afc739.exe 89 PID 1504 wrote to memory of 2576 1504 45e4443b1a5f5cadf1280d8e7f6dc0ecf453cd2e6c1463d92dac534d69afc739.exe 89 PID 2576 wrote to memory of 1552 2576 cmd.exe 91 PID 2576 wrote to memory of 1552 2576 cmd.exe 91 PID 1504 wrote to memory of 4880 1504 45e4443b1a5f5cadf1280d8e7f6dc0ecf453cd2e6c1463d92dac534d69afc739.exe 92 PID 1504 wrote to memory of 4880 1504 45e4443b1a5f5cadf1280d8e7f6dc0ecf453cd2e6c1463d92dac534d69afc739.exe 92 PID 1504 wrote to memory of 4880 1504 45e4443b1a5f5cadf1280d8e7f6dc0ecf453cd2e6c1463d92dac534d69afc739.exe 92 PID 1504 wrote to memory of 1388 1504 45e4443b1a5f5cadf1280d8e7f6dc0ecf453cd2e6c1463d92dac534d69afc739.exe 94 PID 1504 wrote to memory of 1388 1504 45e4443b1a5f5cadf1280d8e7f6dc0ecf453cd2e6c1463d92dac534d69afc739.exe 94 PID 1504 wrote to memory of 1388 1504 45e4443b1a5f5cadf1280d8e7f6dc0ecf453cd2e6c1463d92dac534d69afc739.exe 94 PID 1504 wrote to memory of 2692 1504 45e4443b1a5f5cadf1280d8e7f6dc0ecf453cd2e6c1463d92dac534d69afc739.exe 96 PID 1504 wrote to memory of 2692 1504 45e4443b1a5f5cadf1280d8e7f6dc0ecf453cd2e6c1463d92dac534d69afc739.exe 96 PID 1504 wrote to memory of 2692 1504 45e4443b1a5f5cadf1280d8e7f6dc0ecf453cd2e6c1463d92dac534d69afc739.exe 96 PID 2692 wrote to memory of 1156 2692 csrss.exe 97 PID 2692 wrote to memory of 1156 2692 csrss.exe 97 PID 2692 wrote to memory of 1156 2692 csrss.exe 97 PID 2692 wrote to memory of 916 2692 csrss.exe 103 PID 2692 wrote to memory of 916 2692 csrss.exe 103 PID 2692 wrote to memory of 916 2692 csrss.exe 103 PID 2692 wrote to memory of 892 2692 csrss.exe 105 PID 2692 wrote to memory of 892 2692 csrss.exe 105 PID 2692 wrote to memory of 892 2692 csrss.exe 105 PID 2692 wrote to memory of 2188 2692 csrss.exe 107 PID 2692 wrote to memory of 2188 2692 csrss.exe 107 PID 1020 wrote to memory of 1904 1020 windefender.exe 113 PID 1020 wrote to memory of 1904 1020 windefender.exe 113 PID 1020 wrote to memory of 1904 1020 windefender.exe 113 PID 1904 wrote to memory of 2576 1904 cmd.exe 114 PID 1904 wrote to memory of 2576 1904 cmd.exe 114 PID 1904 wrote to memory of 2576 1904 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\45e4443b1a5f5cadf1280d8e7f6dc0ecf453cd2e6c1463d92dac534d69afc739.exe"C:\Users\Admin\AppData\Local\Temp\45e4443b1a5f5cadf1280d8e7f6dc0ecf453cd2e6c1463d92dac534d69afc739.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5048 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4452
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C:\Users\Admin\AppData\Local\Temp\45e4443b1a5f5cadf1280d8e7f6dc0ecf453cd2e6c1463d92dac534d69afc739.exe"C:\Users\Admin\AppData\Local\Temp\45e4443b1a5f5cadf1280d8e7f6dc0ecf453cd2e6c1463d92dac534d69afc739.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:1504 -
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:3448
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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:2576 -
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:1552
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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:4880
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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:1388
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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:2692 -
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:1156
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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:2120
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3952
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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:916
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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:892
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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:2188
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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:4732
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1020 -
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:1904 -
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:2576
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4972
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
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e8f14b931225bf073fb3f8a102b84af7
SHA166ccf4560462835d0550c4c2b59e2fff714e00c6
SHA2566cba6b02008a4ec5869f2d36b6d9033add4d86fa3259a406bb46d4b3480cb3b0
SHA5122ed9719504e1242075962d65c7ebf71b4f2ec3111e4eb0692535c240f3491d9060420d09ed182c9ebf355d4dd1a83529cd58fca2d6aa4b545c3ce92dc8155474
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d0deed9a4600a9da8a51687e8774bc6e
SHA1f9c96f5be0e93918cf87a5a4e7d4b33815d81d04
SHA256babaa7b094561a954ba5dd99ecbf1868d29a194d026760f02057ac73f5c2255c
SHA5127e787acc01d514a4e64998fe90521875b7e5c9b0af48363bb6a3d60771d892ff82fc9b266311d07b65d5d6fd6863a0a423aa3123892eadcac47a2355625a839d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55c7fa9b675d4084a6a07028b17908773
SHA1780db2d258f3555f800b6c12cecfe5acbed93962
SHA256e2522c69a79da270de8f9d84a6a13f63f0115498034fb4025dfa918addb9f3fc
SHA512daa98c5080a07b33b9498af3db10dfb4790704477bd4425e8eadbd6a7e8679b87db58d6e19e84ec5807a1caaa5e20a72adcdd539a647816da9414ad69feeb211
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD542e4d3a81b3b6088448d16bb861edc61
SHA18c08a23d476e5c29107a0fa7d57a37c7af3056a2
SHA256806a242d6b14f9f0874963631b78fcea4327ea7b614b937c1eaa32fdb297e281
SHA512a106766118975e9dca931f8abb28f41c0e93634303ab49c88d3a9229c6089de575909fe2b917e2610baebf73558c628d9eed7a7a7422776c42c4e398cc5f6049
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD517290596d66078efc64eec9ad96989dc
SHA19128ee7c31a6be47c9c631a75ac4b5d8e8a86aa9
SHA256faad0c406d592957c66bca629d71bbe84cff6399f66a7cbbf07fc6b043a24712
SHA5127ec80c8c12815b397fc544b5c47e345695878539697a9360f931a7c7ee1d2166515f28f29260aa2c6419aec3d6bb3cad0e4baffe04d65d59c9edafc50a482699
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Filesize
4.1MB
MD53fa7683b12e5363bfba20f6dbac26ab3
SHA107c3bd19b5061d9e37f0696d9060953e6db2f7eb
SHA25645e4443b1a5f5cadf1280d8e7f6dc0ecf453cd2e6c1463d92dac534d69afc739
SHA512fb23e8fce9b7bd7f4c90170e1fe8eab64bc53f50ac8b190af3cc86bc73395a772af9aac614f54b5afdaa0291e7794e1cea75fc591f0bdb883fb48ef985ee5948
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec