Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
19-05-2024 11:17
Static task
static1
Behavioral task
behavioral1
Sample
b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe
Resource
win10v2004-20240426-en
General
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Target
b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe
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Size
4.1MB
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MD5
4c13a7b9fa15748f918c7ebc8692feb7
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SHA1
a83a2575e3a1a16266e9ce27832a1850347aeb74
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SHA256
b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770
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SHA512
bcf0be98fc76abeec8989bd71251a3f95708fc1007b4a0518b2e20b74c2c7d1b8448040762609cd80261871bc1565c9e6b62342b77b235fc3bbe4d9a4a81dc11
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SSDEEP
98304:lH+PiUxpnK5pcCD6RLXH4DRMjOnEmJ5mWZ44js55cU5wvI2b:lH+PiSfw6Rz4ejOEAZ44S5J5ww2b
Malware Config
Signatures
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Glupteba payload 19 IoCs
Processes:
resource yara_rule behavioral1/memory/1752-2-0x00000000043D0000-0x0000000004CBB000-memory.dmp family_glupteba behavioral1/memory/1752-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1752-56-0x00000000043D0000-0x0000000004CBB000-memory.dmp family_glupteba behavioral1/memory/1752-55-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/1752-57-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1012-137-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/408-219-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/408-229-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/408-231-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/408-233-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/408-235-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/408-237-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/408-238-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/408-241-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/408-243-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/408-245-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/408-246-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/408-249-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/408-251-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 4244 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 408 csrss.exe 3460 injector.exe 3416 windefender.exe 3248 windefender.exe -
Processes:
resource yara_rule behavioral1/files/0x00090000000234a9-222.dat upx behavioral1/memory/3416-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3248-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3416-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3248-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3248-234-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
csrss.exeb92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.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 created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
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:
b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe -
Drops file in Windows directory 4 IoCs
Processes:
csrss.exeb92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.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 b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe File created C:\Windows\rss\csrss.exe b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
Processes:
sc.exepid Process 3444 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 4464 powershell.exe 4884 powershell.exe 2176 powershell.exe 1472 powershell.exe 4976 powershell.exe 2080 powershell.exe 2608 powershell.exe -
Program crash 2 IoCs
Processes:
WerFault.exeWerFault.exepid pid_target Process procid_target 2468 1752 WerFault.exe 82 4400 1012 WerFault.exe 94 -
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 2312 schtasks.exe 4704 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
windefender.exepowershell.exepowershell.exepowershell.exeb92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exepowershell.exepowershell.exepowershell.exedescription ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-371 = "Jerusalem Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root 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,-2791 = "Novosibirsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time" b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-92 = "Pacific SA Standard Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2872 = "Magallanes Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-72 = "Newfoundland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-112 = "Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-562 = "SE Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2592 = "Tocantins Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time" b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. Standard Time" b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time" b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time" b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.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\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-42 = "E. South America 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\@tzres.dll,-81 = "Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-571 = "China 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\@tzres.dll,-211 = "Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time" b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-121 = "SA Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2141 = "Transbaikal Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates 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\@tzres.dll,-2161 = "Altai Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-215 = "Pacific Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time" b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-982 = "Kamchatka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2941 = "Sao Tome 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,-161 = "Central Daylight Time" b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time" b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1021 = "Bangladesh Daylight Time" b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)" b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time" b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.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,-692 = "Tasmania Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exeb92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exepowershell.exeb92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 2608 powershell.exe 2608 powershell.exe 1752 b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe 1752 b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe 4464 powershell.exe 4464 powershell.exe 4464 powershell.exe 1012 b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe 1012 b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe 1012 b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe 1012 b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe 1012 b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe 1012 b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe 1012 b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe 1012 b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe 1012 b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe 1012 b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe 4884 powershell.exe 4884 powershell.exe 4884 powershell.exe 2176 powershell.exe 2176 powershell.exe 2176 powershell.exe 1472 powershell.exe 1472 powershell.exe 4976 powershell.exe 4976 powershell.exe 2080 powershell.exe 2080 powershell.exe 3460 injector.exe 3460 injector.exe 3460 injector.exe 3460 injector.exe 3460 injector.exe 3460 injector.exe 408 csrss.exe 408 csrss.exe 3460 injector.exe 3460 injector.exe 3460 injector.exe 3460 injector.exe 3460 injector.exe 3460 injector.exe 408 csrss.exe 408 csrss.exe 3460 injector.exe 3460 injector.exe 408 csrss.exe 408 csrss.exe 3460 injector.exe 3460 injector.exe 3460 injector.exe 3460 injector.exe 3460 injector.exe 3460 injector.exe 3460 injector.exe 3460 injector.exe 3460 injector.exe 3460 injector.exe 3460 injector.exe 3460 injector.exe 3460 injector.exe 3460 injector.exe 3460 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exeb92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 2608 powershell.exe Token: SeDebugPrivilege 1752 b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe Token: SeImpersonatePrivilege 1752 b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe Token: SeDebugPrivilege 4464 powershell.exe Token: SeDebugPrivilege 4884 powershell.exe Token: SeDebugPrivilege 2176 powershell.exe Token: SeDebugPrivilege 1472 powershell.exe Token: SeDebugPrivilege 4976 powershell.exe Token: SeDebugPrivilege 2080 powershell.exe Token: SeSystemEnvironmentPrivilege 408 csrss.exe Token: SeSecurityPrivilege 3444 sc.exe Token: SeSecurityPrivilege 3444 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exeb92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 1752 wrote to memory of 2608 1752 b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe 86 PID 1752 wrote to memory of 2608 1752 b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe 86 PID 1752 wrote to memory of 2608 1752 b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe 86 PID 1012 wrote to memory of 4464 1012 b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe 99 PID 1012 wrote to memory of 4464 1012 b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe 99 PID 1012 wrote to memory of 4464 1012 b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe 99 PID 1012 wrote to memory of 2968 1012 b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe 104 PID 1012 wrote to memory of 2968 1012 b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe 104 PID 2968 wrote to memory of 4244 2968 cmd.exe 106 PID 2968 wrote to memory of 4244 2968 cmd.exe 106 PID 1012 wrote to memory of 4884 1012 b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe 107 PID 1012 wrote to memory of 4884 1012 b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe 107 PID 1012 wrote to memory of 4884 1012 b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe 107 PID 1012 wrote to memory of 2176 1012 b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe 109 PID 1012 wrote to memory of 2176 1012 b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe 109 PID 1012 wrote to memory of 2176 1012 b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe 109 PID 1012 wrote to memory of 408 1012 b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe 111 PID 1012 wrote to memory of 408 1012 b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe 111 PID 1012 wrote to memory of 408 1012 b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe 111 PID 408 wrote to memory of 1472 408 csrss.exe 114 PID 408 wrote to memory of 1472 408 csrss.exe 114 PID 408 wrote to memory of 1472 408 csrss.exe 114 PID 408 wrote to memory of 4976 408 csrss.exe 119 PID 408 wrote to memory of 4976 408 csrss.exe 119 PID 408 wrote to memory of 4976 408 csrss.exe 119 PID 408 wrote to memory of 2080 408 csrss.exe 122 PID 408 wrote to memory of 2080 408 csrss.exe 122 PID 408 wrote to memory of 2080 408 csrss.exe 122 PID 408 wrote to memory of 3460 408 csrss.exe 124 PID 408 wrote to memory of 3460 408 csrss.exe 124 PID 3416 wrote to memory of 4048 3416 windefender.exe 131 PID 3416 wrote to memory of 4048 3416 windefender.exe 131 PID 3416 wrote to memory of 4048 3416 windefender.exe 131 PID 4048 wrote to memory of 3444 4048 cmd.exe 132 PID 4048 wrote to memory of 3444 4048 cmd.exe 132 PID 4048 wrote to memory of 3444 4048 cmd.exe 132 -
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\b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe"C:\Users\Admin\AppData\Local\Temp\b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1752 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2608
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C:\Users\Admin\AppData\Local\Temp\b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.exe"C:\Users\Admin\AppData\Local\Temp\b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770.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:1012 -
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:4464
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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:2968 -
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:4244
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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:4884
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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:2176
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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:408 -
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:1472
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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:2312
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:852
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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:4976
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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:2080
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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:3460
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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:4704
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3416 -
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:4048 -
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:3444
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1012 -s 7963⤵
- Program crash
PID:4400
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1752 -s 6362⤵
- Program crash
PID:2468
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 1752 -ip 17521⤵PID:4944
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 1012 -ip 10121⤵PID:3416
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3248
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50d3ffa184a1241b330c9c7630d1a52f4
SHA1b2f7d777d4bf30036b1831dcebde173f23dfc19f
SHA256dbeb38c1697b4392e44886e5480843fc7d9e3d48711c44b152b47292f25e9c6f
SHA51285722ccdf0e4f4a94087752cea91512346a8d7dc2177b786a9704776d6dfd6dda7958f7f6b8fc555b6da8aaccbe515e471563a8676d07ccf37a45afcfde5748b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d88f6081ce5d3f32f6e0525d03036e90
SHA1d4009443f56e612a9795eec3be5bc5675cabf640
SHA25683d2167c01a5f1ac6b1a8d9061e4a183b80d31add89bb3845360d7bec8333ebf
SHA51221ce38abed5377bcb14e9b8442caa129e88b6b65a551c6192b856a2a666a1d842ab1cb551ac8c8398cd59389ca5eefefa7b813df602f83d92f140c4129a29043
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51840377fb4a4d7bc91c15c732e1753e0
SHA164075e7b1fa31d06fc7428f6f84e6fef655a5b16
SHA256b4080fa6fc8ac4dd1721e07118f83a45fedf5bb319f219a1f11ddb2cfd572135
SHA512f2a25250b1bc7d50e3657e5c3e7443cee45ec770cbef4bd1ab8032b0dba6ecfed74fa772ba87c4696ad1aaee95269972d9a3494754c044018e47a70c2798bf92
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a67eed69b1dafea1042076842c1cc291
SHA14a33c4a0211a24f45ba91e67cffac67fc38941fb
SHA256ba7911091eff72215d28a35674f204b3b22d4b266d1546a9fb32f4e97ed2ffe3
SHA5124e430bc48cdfa176a6d03f1857af19b312a39764dbcf9532c7a88899e1fa8d87e46e57aa0733c2a250ff9fc5c0dd6262df1240d3198cdc4fcbf8e1a3ca7071e9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58248d19bb21faacabc4dc83cf052a684
SHA1f6ac075897d091b3cc44d8723d034cf390a1ae0b
SHA2566083267b4f5dc9fea920b9a420e7b0db80b4b5c83333031a4ca1e5050e3fc303
SHA512e0ef99969454e09107a6e35274f79ae56a84ad73ffe09218d0a32832d5d312618e4ff1b2177df6aa9961511d94a5aa61593e69a5f3e21a8d9fff7144c3598873
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Filesize
4.1MB
MD54c13a7b9fa15748f918c7ebc8692feb7
SHA1a83a2575e3a1a16266e9ce27832a1850347aeb74
SHA256b92d002fb2ed3ae2ddb1c207f44917156bae55c032589abbcbd1e63bd1d2d770
SHA512bcf0be98fc76abeec8989bd71251a3f95708fc1007b4a0518b2e20b74c2c7d1b8448040762609cd80261871bc1565c9e6b62342b77b235fc3bbe4d9a4a81dc11
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec