Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-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 behavioral1/memory/1624-2-0x00000000043E0000-0x0000000004CCB000-memory.dmp family_glupteba behavioral1/memory/1624-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1624-57-0x00000000043E0000-0x0000000004CCB000-memory.dmp family_glupteba behavioral1/memory/1624-55-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/1624-56-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1628-135-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/1104-213-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/1104-219-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/1104-228-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/1104-230-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/1104-232-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/1104-234-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/1104-236-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/1104-238-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/1104-240-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/1104-242-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/1104-244-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/1104-246-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/1104-248-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 4408 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 1104 csrss.exe 2948 injector.exe 2880 windefender.exe 3652 windefender.exe -
Processes:
resource yara_rule behavioral1/files/0x000800000002340d-222.dat upx behavioral1/memory/2880-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3652-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2880-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3652-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3652-233-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3652-239-0x0000000000400000-0x00000000008DF000-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-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exe Set value (str) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\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 2528 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 3452 powershell.exe 3396 powershell.exe 2800 powershell.exe 5112 powershell.exe 2164 powershell.exe 5024 powershell.exe 2104 powershell.exe -
Program crash 2 IoCs
Processes:
WerFault.exeWerFault.exepid pid_target Process procid_target 5040 1624 WerFault.exe 84 384 1628 WerFault.exe 97 -
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 3640 schtasks.exe 2156 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exewindefender.exepowershell.exepowershell.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,-892 = "Morocco Standard Time" 01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2161 = "Altai Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1412 = "Syria Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time" 01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time" 01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2391 = "Aleutian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-632 = "Tokyo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time" 01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time" 01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.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,-391 = "Arab Daylight Time" 01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time" 01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India 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\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root 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,-2321 = "Sakhalin Daylight Time" windefender.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,-334 = "Jordan Daylight Time" 01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.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\@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,-171 = "Central Daylight Time (Mexico)" 01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" 01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-412 = "E. Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-449 = "Azerbaijan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-792 = "SA Western Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2842 = "Saratov Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time" 01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.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" 01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2182 = "Astrakhan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3051 = "Qyzylorda Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3142 = "South Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time" 01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-41 = "E. South America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time" 01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time" 01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time" 01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.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,-381 = "South Africa Daylight Time" 01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2162 = "Altai Standard 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,-2772 = "Omsk Standard Time" 01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" 01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time" 01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time" 01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time" 01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" 01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-891 = "Morocco Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exepowershell.exe01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 3452 powershell.exe 3452 powershell.exe 1624 01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exe 1624 01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exe 3396 powershell.exe 3396 powershell.exe 3396 powershell.exe 1628 01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exe 1628 01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exe 1628 01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exe 1628 01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exe 1628 01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exe 1628 01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exe 1628 01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exe 1628 01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exe 1628 01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exe 1628 01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exe 2800 powershell.exe 2800 powershell.exe 5112 powershell.exe 5112 powershell.exe 2164 powershell.exe 2164 powershell.exe 5024 powershell.exe 5024 powershell.exe 2104 powershell.exe 2104 powershell.exe 2948 injector.exe 2948 injector.exe 2948 injector.exe 2948 injector.exe 2948 injector.exe 2948 injector.exe 1104 csrss.exe 1104 csrss.exe 2948 injector.exe 2948 injector.exe 2948 injector.exe 2948 injector.exe 2948 injector.exe 2948 injector.exe 1104 csrss.exe 1104 csrss.exe 2948 injector.exe 2948 injector.exe 2948 injector.exe 2948 injector.exe 2948 injector.exe 2948 injector.exe 2948 injector.exe 2948 injector.exe 2948 injector.exe 2948 injector.exe 2948 injector.exe 2948 injector.exe 2948 injector.exe 2948 injector.exe 2948 injector.exe 2948 injector.exe 2948 injector.exe 2948 injector.exe 1104 csrss.exe 1104 csrss.exe 2948 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 3452 powershell.exe Token: SeDebugPrivilege 1624 01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exe Token: SeImpersonatePrivilege 1624 01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exe Token: SeDebugPrivilege 3396 powershell.exe Token: SeDebugPrivilege 2800 powershell.exe Token: SeDebugPrivilege 5112 powershell.exe Token: SeDebugPrivilege 2164 powershell.exe Token: SeDebugPrivilege 5024 powershell.exe Token: SeDebugPrivilege 2104 powershell.exe Token: SeSystemEnvironmentPrivilege 1104 csrss.exe Token: SeSecurityPrivilege 2528 sc.exe Token: SeSecurityPrivilege 2528 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exe01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 1624 wrote to memory of 3452 1624 01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exe 86 PID 1624 wrote to memory of 3452 1624 01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exe 86 PID 1624 wrote to memory of 3452 1624 01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exe 86 PID 1628 wrote to memory of 3396 1628 01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exe 101 PID 1628 wrote to memory of 3396 1628 01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exe 101 PID 1628 wrote to memory of 3396 1628 01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exe 101 PID 1628 wrote to memory of 2260 1628 01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exe 106 PID 1628 wrote to memory of 2260 1628 01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exe 106 PID 2260 wrote to memory of 4408 2260 cmd.exe 108 PID 2260 wrote to memory of 4408 2260 cmd.exe 108 PID 1628 wrote to memory of 2800 1628 01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exe 109 PID 1628 wrote to memory of 2800 1628 01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exe 109 PID 1628 wrote to memory of 2800 1628 01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exe 109 PID 1628 wrote to memory of 5112 1628 01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exe 111 PID 1628 wrote to memory of 5112 1628 01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exe 111 PID 1628 wrote to memory of 5112 1628 01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exe 111 PID 1628 wrote to memory of 1104 1628 01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exe 113 PID 1628 wrote to memory of 1104 1628 01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exe 113 PID 1628 wrote to memory of 1104 1628 01b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3.exe 113 PID 1104 wrote to memory of 2164 1104 csrss.exe 116 PID 1104 wrote to memory of 2164 1104 csrss.exe 116 PID 1104 wrote to memory of 2164 1104 csrss.exe 116 PID 1104 wrote to memory of 5024 1104 csrss.exe 121 PID 1104 wrote to memory of 5024 1104 csrss.exe 121 PID 1104 wrote to memory of 5024 1104 csrss.exe 121 PID 1104 wrote to memory of 2104 1104 csrss.exe 124 PID 1104 wrote to memory of 2104 1104 csrss.exe 124 PID 1104 wrote to memory of 2104 1104 csrss.exe 124 PID 1104 wrote to memory of 2948 1104 csrss.exe 126 PID 1104 wrote to memory of 2948 1104 csrss.exe 126 PID 2880 wrote to memory of 4128 2880 windefender.exe 135 PID 2880 wrote to memory of 4128 2880 windefender.exe 135 PID 2880 wrote to memory of 4128 2880 windefender.exe 135 PID 4128 wrote to memory of 2528 4128 cmd.exe 136 PID 4128 wrote to memory of 2528 4128 cmd.exe 136 PID 4128 wrote to memory of 2528 4128 cmd.exe 136 -
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:1624 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3452
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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:1628 -
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:3396
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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:2260 -
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:4408
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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:2800
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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:5112
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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:1104 -
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:2164
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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:2156
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:468
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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:5024
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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:2104
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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:2948
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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:3640
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2880 -
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:4128 -
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:2528
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1628 -s 6243⤵
- Program crash
PID:384
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1624 -s 8282⤵
- Program crash
PID:5040
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1624 -ip 16241⤵PID:2648
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 1628 -ip 16281⤵PID:3076
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3652
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
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ead66217d913233fd06db3949458fb5d
SHA1dba50bb5e6bedb9f944540a31b25434081ae61a5
SHA2562d2edbf34e9392f562b5fc45a876a0b249a39b0bee5dd3b5af35c4abead42f7c
SHA51244bd688f2d181162ab8e514d26e43c79b305fd23f88ec1c67f789e21d8f30b72b69fc9b0cc7dc22de1268b5247eee326a151c83c837e19013a863781454ee012
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d1631b3efcfcee6e2921153fa0f8bd2c
SHA164eb9cb9bc96ae3f659dc90c10d3e84754e86752
SHA256044d549da6452a7bfaf3bc369f0c6766dee610dd4d2ee752020af781e75e7e42
SHA51232f6db883d1f35ae002c66e190ebb827a5e96dbd61b62a9cdbad73c129bb37297253eef20b4db755bb2d99a9c9c16f5daefec2d60bbc01972668e6b3713b5f03
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56b382b6536929a1fde62e15a16d4ba2c
SHA11d16570203eb3b1fc7c8a52ded9c7f8116c7648a
SHA25685c3b35a2038daac19d6838706bafc910cd8dd9348f933db841f872830551349
SHA512447065f66fb4c8033b0fac3300c5517f21ae9e76336f6fd0233f174d1d79d616b912b046c9d3728d94dd1a6c301c313936ebc7b7e8cd5b03b3e59ac940fa13c3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5018e902bb2089230f0acae2abf8d6046
SHA1c922cf9403f2610eb7f58e6882e4475ef77fc6de
SHA256d29f433217fc19ce0892718aa8931e8da41a14fbdd65ab82a84c1d9ab4355399
SHA512039ed0d575950d8571d14493e2895d51869ce24533ead023ebea3e4876169faf54c1fc56ef26fbdffaafb5b6b45a35bf4d6bba0d990e559f3640b0fc7fd4c96a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51648f0f9122813de554b5af65f3112d0
SHA1b44257be968583304f47d915895b726d10e38974
SHA256376f35f1ec2c18f04aa25854b99dab2005b0d51c94eee8089502a9cfa737a333
SHA512207392842bca97dcd8129d276106dc742aac07b4dde036f2832b5a808b1fb8e884191a68ca599c555ea7ffe686d615b9027b8828fd29bec3d54a1beec7175d5f
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Filesize
4.1MB
MD55ecd5507bdde05ed457975bf19d9a7aa
SHA1625078a99c84972e8de083c25ac0977b5f8f0625
SHA25601b2f352931185eb35c1ad76f6a044269b2a0dd8f7b4c343c7a5213df59df3b3
SHA5125ba1f15b98e603b456257426554bde4c1ef050f567b9dd6de5c84466f79940ef31aa12e56f88e13c144c30d5c7cc21136ddce2d8d5e59c9ab087175c5f930469
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec