Analysis
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max time kernel
150s -
max time network
150s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
19-05-2024 11:25
Static task
static1
Behavioral task
behavioral1
Sample
2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe
Resource
win10v2004-20240426-en
General
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Target
2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe
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Size
4.1MB
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MD5
96651138dda5d7d4450bc7cb668d6bb4
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SHA1
7c1c455b06c425a89fb83cbb44b95f728a673e65
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SHA256
2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a
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SHA512
7dd7c8a69dd1b8783a973a8961f39cebd7cf92ca193cdde73f1fedda8682e44c81c9e5351383fda597936575814436ad24f65e879e8ce911bbee087d78b870fd
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SSDEEP
98304:VH+PiUxpnK5pcCD6RLXH4DRMjOnEmJ5mWZ44js55cU5wvI22:VH+PiSfw6Rz4ejOEAZ44S5J5ww22
Malware Config
Signatures
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Glupteba payload 19 IoCs
Processes:
resource yara_rule behavioral2/memory/3056-2-0x0000000004560000-0x0000000004E4B000-memory.dmp family_glupteba behavioral2/memory/3056-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3056-51-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/3056-54-0x0000000004560000-0x0000000004E4B000-memory.dmp family_glupteba behavioral2/memory/3056-53-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5016-125-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/4412-203-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/4412-212-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/4412-213-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/4412-216-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/4412-218-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/4412-220-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/4412-221-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/4412-223-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/4412-226-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/4412-228-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/4412-229-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/4412-231-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/4412-234-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 3204 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 4412 csrss.exe 540 injector.exe 4296 windefender.exe 4052 windefender.exe -
Processes:
resource yara_rule behavioral2/files/0x000200000002aa30-206.dat upx behavioral2/memory/4296-207-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4052-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4296-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4052-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4052-217-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4052-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.execsrss.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3938118698-2964058152-2337880935-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe Set value (str) \REGISTRY\USER\S-1-5-21-3938118698-2964058152-2337880935-1000\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 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 -
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:
2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN 2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe -
Drops file in Windows directory 4 IoCs
Processes:
csrss.exe2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exedescription ioc Process 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 2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe File created C:\Windows\rss\csrss.exe 2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
Processes:
sc.exepid Process 1288 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 3872 powershell.exe 3116 powershell.exe 2596 powershell.exe 3340 powershell.exe 2488 powershell.exe 3424 powershell.exe 4344 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 4892 schtasks.exe 1872 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.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,-31 = "Mid-Atlantic Daylight Time" 2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)" 2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\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,-104 = "Central Brazilian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2411 = "Marquesas Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3141 = "South Sudan Daylight Time" 2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-672 = "AUS Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-161 = "Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time" 2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" 2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs 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,-891 = "Morocco 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,-931 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time" 2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time" 2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs 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\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time" 2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" 2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time" 2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.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,-341 = "Egypt 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,-2942 = "Sao Tome Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time" 2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time" 2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2372 = "Easter Island Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2792 = "Novosibirsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1862 = "Russia TZ 6 Standard Time" 2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time" 2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates 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,-1972 = "Belarus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" 2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time" 2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" 2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time" 2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.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\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" 2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs 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\@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" windefender.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,-361 = "GTB Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time" 2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time" 2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exepowershell.exe2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 4344 powershell.exe 4344 powershell.exe 3056 2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe 3056 2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe 3872 powershell.exe 3872 powershell.exe 5016 2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe 5016 2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe 5016 2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe 5016 2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe 5016 2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe 5016 2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe 5016 2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe 5016 2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe 5016 2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe 5016 2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe 3116 powershell.exe 3116 powershell.exe 2596 powershell.exe 2596 powershell.exe 3340 powershell.exe 3340 powershell.exe 2488 powershell.exe 2488 powershell.exe 3424 powershell.exe 3424 powershell.exe 540 injector.exe 540 injector.exe 540 injector.exe 540 injector.exe 540 injector.exe 540 injector.exe 4412 csrss.exe 4412 csrss.exe 540 injector.exe 540 injector.exe 540 injector.exe 540 injector.exe 540 injector.exe 540 injector.exe 4412 csrss.exe 4412 csrss.exe 540 injector.exe 540 injector.exe 540 injector.exe 540 injector.exe 4412 csrss.exe 4412 csrss.exe 540 injector.exe 540 injector.exe 540 injector.exe 540 injector.exe 540 injector.exe 540 injector.exe 540 injector.exe 540 injector.exe 540 injector.exe 540 injector.exe 540 injector.exe 540 injector.exe 540 injector.exe 540 injector.exe 540 injector.exe 540 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 4344 powershell.exe Token: SeDebugPrivilege 3056 2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe Token: SeImpersonatePrivilege 3056 2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe Token: SeDebugPrivilege 3872 powershell.exe Token: SeDebugPrivilege 3116 powershell.exe Token: SeDebugPrivilege 2596 powershell.exe Token: SeDebugPrivilege 3340 powershell.exe Token: SeDebugPrivilege 2488 powershell.exe Token: SeDebugPrivilege 3424 powershell.exe Token: SeSystemEnvironmentPrivilege 4412 csrss.exe Token: SeSecurityPrivilege 1288 sc.exe Token: SeSecurityPrivilege 1288 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 3056 wrote to memory of 4344 3056 2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe 78 PID 3056 wrote to memory of 4344 3056 2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe 78 PID 3056 wrote to memory of 4344 3056 2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe 78 PID 5016 wrote to memory of 3872 5016 2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe 83 PID 5016 wrote to memory of 3872 5016 2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe 83 PID 5016 wrote to memory of 3872 5016 2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe 83 PID 5016 wrote to memory of 3052 5016 2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe 85 PID 5016 wrote to memory of 3052 5016 2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe 85 PID 3052 wrote to memory of 3204 3052 cmd.exe 87 PID 3052 wrote to memory of 3204 3052 cmd.exe 87 PID 5016 wrote to memory of 3116 5016 2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe 88 PID 5016 wrote to memory of 3116 5016 2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe 88 PID 5016 wrote to memory of 3116 5016 2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe 88 PID 5016 wrote to memory of 2596 5016 2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe 90 PID 5016 wrote to memory of 2596 5016 2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe 90 PID 5016 wrote to memory of 2596 5016 2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe 90 PID 5016 wrote to memory of 4412 5016 2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe 92 PID 5016 wrote to memory of 4412 5016 2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe 92 PID 5016 wrote to memory of 4412 5016 2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe 92 PID 4412 wrote to memory of 3340 4412 csrss.exe 93 PID 4412 wrote to memory of 3340 4412 csrss.exe 93 PID 4412 wrote to memory of 3340 4412 csrss.exe 93 PID 4412 wrote to memory of 2488 4412 csrss.exe 98 PID 4412 wrote to memory of 2488 4412 csrss.exe 98 PID 4412 wrote to memory of 2488 4412 csrss.exe 98 PID 4412 wrote to memory of 3424 4412 csrss.exe 101 PID 4412 wrote to memory of 3424 4412 csrss.exe 101 PID 4412 wrote to memory of 3424 4412 csrss.exe 101 PID 4412 wrote to memory of 540 4412 csrss.exe 103 PID 4412 wrote to memory of 540 4412 csrss.exe 103 PID 4296 wrote to memory of 4476 4296 windefender.exe 109 PID 4296 wrote to memory of 4476 4296 windefender.exe 109 PID 4296 wrote to memory of 4476 4296 windefender.exe 109 PID 4476 wrote to memory of 1288 4476 cmd.exe 110 PID 4476 wrote to memory of 1288 4476 cmd.exe 110 PID 4476 wrote to memory of 1288 4476 cmd.exe 110 -
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\2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe"C:\Users\Admin\AppData\Local\Temp\2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3056 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4344
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C:\Users\Admin\AppData\Local\Temp\2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe"C:\Users\Admin\AppData\Local\Temp\2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.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:5016 -
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:3872
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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:3052 -
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:3204
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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:3116
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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:2596
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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:4412 -
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:3340
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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:1872
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4224
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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:2488
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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:3424
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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:540
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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:4892
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4296 -
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:4476 -
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:1288
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4052
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
MD5eb1cf787f1fe1e28b744b5c3af808441
SHA1cbd856e97c701da8b027f55317bd6022f039b86a
SHA2562420a6513a20c6208f24af91aa831df8011406fe2404ae660609a1fcb4cfe5cf
SHA512d741e5fda93bc1305ce6652c60e128682c60f66e39635c20140825cd8b3a42ecd08089cd93664af20835dd776d65f9831b5e9c5573c86d82af8befa7e908363a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b851a76d7ecf3f28868bb950b3060d66
SHA1342414e919fb55b072e0ba0323362b43a18dc2cf
SHA256aa2110d72d5f68d6deae8ed159845ad15a1b66d11250d875456684e67559b4ad
SHA51247b105cea024b17ace82b1cb73d89b517882e406faed8d6b3f62a33e012382cd71554befab617732ef2d52f29c2cc36d2cd6cb10c24b4a7464abc56ffe5a8f94
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b70f8a942da09ca0af9338805ad24979
SHA10e125333e4bf423c51e99f157ed4b5f5e98874b9
SHA256af6a20b600a20259202eca9f934f947bdbc33edac75041d00652261ca69c80b0
SHA512c29bae774023688c84a1ceddce847553841b3cc63e706a1452cfd5663f787262ae6ca208b8ad0d71e3ddbb4528081b9ba463eabcfa1ed32f91b58f9c536eaa47
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50d19b4cb0a4f7bc7265fcbbf6d83365d
SHA1058d962e79b09679996d4617697427bc4ed32cc6
SHA25614ea33f9787f566cafd7d3b1937f375f15a3010ac784c26ccb004311b2578385
SHA5122c4966a5eacc1070af46e9663143244d60d7609f87a91360468e9d053f3fcc1214d430189e96ffefc010a4567ec9f8e7c4ab3355242b52ea87c9e29efc56fe96
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD544f9802a81b07f066d8afc4a9c741b6c
SHA151133d6b803c1dc1c578ba25d43f55a8b0f31cab
SHA256a4105d757b6851c74daafa74defe4db49edc5ed931f82db5355aabf08c63f18b
SHA512cb9b3bc29ea4577aacb78944db0415ef30c6b6c4603b65d2fea3a576746fdfde75ca6456c92ac86bc419b36c566ba90282b5258305a1c4b2053f44278b84c008
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Filesize
4.1MB
MD596651138dda5d7d4450bc7cb668d6bb4
SHA17c1c455b06c425a89fb83cbb44b95f728a673e65
SHA2562df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a
SHA5127dd7c8a69dd1b8783a973a8961f39cebd7cf92ca193cdde73f1fedda8682e44c81c9e5351383fda597936575814436ad24f65e879e8ce911bbee087d78b870fd
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec