Analysis
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max time kernel
149s -
max time network
147s -
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 11:19
Static task
static1
Behavioral task
behavioral1
Sample
01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exe
Resource
win10v2004-20240508-en
General
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Target
01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exe
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Size
4.1MB
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MD5
5ecd5507bdde05ed457975bf19d9a7aa
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SHA1
625078a99c84972e8de083c25ac0977b5f8f0625
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SHA256
01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3
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SHA512
5ba1f15b98e603b456257426554bde4c1ef050f567b9dd6de5c84466f79940ef31aa12e56f88e13c144c30d5c7cc21136ddce2d8d5e59c9ab087175c5f930469
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SSDEEP
98304:dH+PiUxpnK5pcCD6RLXH4DRMjOnEmJ5mWZ44js55cU5wvI2j:dH+PiSfw6Rz4ejOEAZ44S5J5ww2j
Malware Config
Signatures
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Glupteba payload 19 IoCs
Processes:
resource yara_rule behavioral2/memory/2924-2-0x0000000004640000-0x0000000004F2B000-memory.dmp family_glupteba behavioral2/memory/2924-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2924-52-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2924-50-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/2924-53-0x0000000004640000-0x0000000004F2B000-memory.dmp family_glupteba behavioral2/memory/3876-124-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/2316-202-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/2316-212-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/2316-214-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/2316-216-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/2316-218-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/2316-220-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/2316-222-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/2316-224-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/2316-226-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/2316-228-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/2316-230-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/2316-232-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/2316-234-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 1368 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 2316 csrss.exe 4988 injector.exe 4668 windefender.exe 1124 windefender.exe -
Processes:
resource yara_rule behavioral2/memory/4668-207-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/files/0x000200000002aa34-208.dat upx behavioral2/memory/1124-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4668-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1124-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1124-217-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.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\"" 01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.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 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 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 -
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:
01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN 01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exe -
Drops file in Windows directory 4 IoCs
Processes:
01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.execsrss.exedescription ioc Process File opened for modification C:\Windows\rss 01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exe File created C:\Windows\rss\csrss.exe 01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
Processes:
sc.exepid Process 4924 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 3580 powershell.exe 4452 powershell.exe 4072 powershell.exe 972 powershell.exe 5052 powershell.exe 4896 powershell.exe 1976 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 3452 schtasks.exe 3844 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exe01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exewindefender.exepowershell.exepowershell.exedescription ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time" 01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time" 01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" 01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.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,-331 = "E. Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" 01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.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,-342 = "Egypt Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-621 = "Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time" 01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time" 01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" 01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.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\@tzres.dll,-441 = "Arabian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-142 = "Canada Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-261 = "GMT Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time" 01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time" 01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time" 01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.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,-2891 = "Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time" 01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time" 01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time" 01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time" 01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. Standard Time" 01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" 01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" 01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-682 = "E. Australia Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-912 = "Mauritius Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2491 = "Aus Central W. Daylight Time" 01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time" 01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time" 01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" 01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-11 = "Azores Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-592 = "Malay Peninsula Standard 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" 01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time" 01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.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,-542 = "Myanmar Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-932 = "Coordinated Universal 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" 01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time" 01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exepowershell.exe01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 972 powershell.exe 972 powershell.exe 2924 01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exe 2924 01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exe 5052 powershell.exe 5052 powershell.exe 3876 01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exe 3876 01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exe 3876 01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exe 3876 01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exe 3876 01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exe 3876 01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exe 3876 01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exe 3876 01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exe 3876 01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exe 3876 01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exe 4896 powershell.exe 4896 powershell.exe 1976 powershell.exe 1976 powershell.exe 3580 powershell.exe 3580 powershell.exe 4452 powershell.exe 4452 powershell.exe 4072 powershell.exe 4072 powershell.exe 4988 injector.exe 4988 injector.exe 4988 injector.exe 4988 injector.exe 4988 injector.exe 4988 injector.exe 2316 csrss.exe 2316 csrss.exe 4988 injector.exe 4988 injector.exe 4988 injector.exe 4988 injector.exe 4988 injector.exe 4988 injector.exe 2316 csrss.exe 2316 csrss.exe 4988 injector.exe 4988 injector.exe 2316 csrss.exe 2316 csrss.exe 4988 injector.exe 4988 injector.exe 4988 injector.exe 4988 injector.exe 4988 injector.exe 4988 injector.exe 4988 injector.exe 4988 injector.exe 4988 injector.exe 4988 injector.exe 4988 injector.exe 4988 injector.exe 4988 injector.exe 4988 injector.exe 4988 injector.exe 4988 injector.exe 4988 injector.exe 4988 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 972 powershell.exe Token: SeDebugPrivilege 2924 01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exe Token: SeImpersonatePrivilege 2924 01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exe Token: SeDebugPrivilege 5052 powershell.exe Token: SeDebugPrivilege 4896 powershell.exe Token: SeDebugPrivilege 1976 powershell.exe Token: SeDebugPrivilege 3580 powershell.exe Token: SeDebugPrivilege 4452 powershell.exe Token: SeDebugPrivilege 4072 powershell.exe Token: SeSystemEnvironmentPrivilege 2316 csrss.exe Token: SeSecurityPrivilege 4924 sc.exe Token: SeSecurityPrivilege 4924 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exe01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 2924 wrote to memory of 972 2924 01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exe 79 PID 2924 wrote to memory of 972 2924 01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exe 79 PID 2924 wrote to memory of 972 2924 01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exe 79 PID 3876 wrote to memory of 5052 3876 01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exe 84 PID 3876 wrote to memory of 5052 3876 01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exe 84 PID 3876 wrote to memory of 5052 3876 01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exe 84 PID 3876 wrote to memory of 3756 3876 01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exe 86 PID 3876 wrote to memory of 3756 3876 01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exe 86 PID 3756 wrote to memory of 1368 3756 cmd.exe 88 PID 3756 wrote to memory of 1368 3756 cmd.exe 88 PID 3876 wrote to memory of 4896 3876 01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exe 89 PID 3876 wrote to memory of 4896 3876 01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exe 89 PID 3876 wrote to memory of 4896 3876 01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exe 89 PID 3876 wrote to memory of 1976 3876 01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exe 91 PID 3876 wrote to memory of 1976 3876 01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exe 91 PID 3876 wrote to memory of 1976 3876 01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exe 91 PID 3876 wrote to memory of 2316 3876 01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exe 93 PID 3876 wrote to memory of 2316 3876 01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exe 93 PID 3876 wrote to memory of 2316 3876 01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exe 93 PID 2316 wrote to memory of 3580 2316 csrss.exe 94 PID 2316 wrote to memory of 3580 2316 csrss.exe 94 PID 2316 wrote to memory of 3580 2316 csrss.exe 94 PID 2316 wrote to memory of 4452 2316 csrss.exe 100 PID 2316 wrote to memory of 4452 2316 csrss.exe 100 PID 2316 wrote to memory of 4452 2316 csrss.exe 100 PID 2316 wrote to memory of 4072 2316 csrss.exe 102 PID 2316 wrote to memory of 4072 2316 csrss.exe 102 PID 2316 wrote to memory of 4072 2316 csrss.exe 102 PID 2316 wrote to memory of 4988 2316 csrss.exe 104 PID 2316 wrote to memory of 4988 2316 csrss.exe 104 PID 4668 wrote to memory of 1880 4668 windefender.exe 110 PID 4668 wrote to memory of 1880 4668 windefender.exe 110 PID 4668 wrote to memory of 1880 4668 windefender.exe 110 PID 1880 wrote to memory of 4924 1880 cmd.exe 111 PID 1880 wrote to memory of 4924 1880 cmd.exe 111 PID 1880 wrote to memory of 4924 1880 cmd.exe 111 -
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\01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exe"C:\Users\Admin\AppData\Local\Temp\01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2924 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:972
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C:\Users\Admin\AppData\Local\Temp\01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exe"C:\Users\Admin\AppData\Local\Temp\01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.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:3876 -
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:5052
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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:3756 -
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:1368
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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:4896
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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:1976
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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:2316 -
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:3580
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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:3844
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1768
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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:4452
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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:4072
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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:4988
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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:3452
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4668 -
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:1880 -
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:4924
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1124
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
MD563f9e290da631a1388d2cf31a923790f
SHA16b17a2c94dd532943c71b0d6e3047bbf9f0e9e0b
SHA256d242fb611ede3ed79f749847d2919b317f1e9c6497c8a9512fed68c66de397b5
SHA512874b4f2c86cb4e703416691ad1857df49d26af77438085698d39a47c6b477698bf3a23ade08bef48b99b2cfd86fd5c0855b7c37dfe9b4148d368243af1e491d9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ec7f36f9557e803bfa1a0a676fc3f010
SHA123414cc9d710669bc1e87982cb98f986bcc57c45
SHA25651e44d5cf748054f46eb8dedaf77beb2ccb5eeb2c819e096912f0e8797691aab
SHA512f1bee60c2c48deabf720c16e3d4d6e8d8d3ccadefc42ef88e500c6c455cf1164098183edce0d0aeb4b7633c378f292f7a6352550c43af6a7b60bcd0051e0d974
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b263f593ac7c3e03a70a294936944be2
SHA1463a8e3d48ca0094369d2fea7c0f099b046ce3f9
SHA25666556acc8cd1f1de382b72c1be36a94a521cce4311afbdc8262ffa69fb325772
SHA512b744431370f3b60f0074b1177171ef0f7920ee4f6a54b708b5777306a232a7d92df5f67746c864c2bd6d4b51d444abfbba6f3a10ddabbc360bc730310c6f53da
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53dac30a95288ad0b65585c31789a3757
SHA1100b854f22427d0f11959e9613b6e1007d8d9e6e
SHA256af09db6f52f968444316d0bc444ad80717f02d8b48720ed1a1d2120b9ccf0081
SHA51211c2563b6c0be431e71abbe252bb473f7f1b435cc36a6e8140f0303c8c77cb851bfcdbd24dd0cbb292b9f5823c648161bd829696d29bab0b4098c948a8d96ceb
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD531b8cc47771ffebb7f3300bdba729c85
SHA1f28c613099a97dc31371b16858c0bfe1bd8e29f0
SHA25695d219e119e89e38c8999bf7043ef0952f7e8dd0ebaba2ebe16224c9853a1092
SHA512eec35b23c2b2b5882476ff7555e3dfed68812236e7849e9588e29bdfa09a28b38ed6c9cc6e3526842ba84ae25a43176377fa3a82b9d549974ab52828281e7adc
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Filesize
4.1MB
MD55ecd5507bdde05ed457975bf19d9a7aa
SHA1625078a99c84972e8de083c25ac0977b5f8f0625
SHA25601b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3
SHA5125ba1f15b98e603b456257426554bde4c1ef050f567b9dd6de5c84466f79940ef31aa12e56f88e13c144c30d5c7cc21136ddce2d8d5e59c9ab087175c5f930469
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec