Analysis
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max time kernel
150s -
max time network
130s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
25-04-2024 13:10
Static task
static1
Behavioral task
behavioral1
Sample
2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe
Resource
win10v2004-20240412-en
General
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Target
2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe
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Size
4.2MB
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MD5
8fb180d9be8c59e56ff5e267446a688a
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SHA1
fa159f11a932d539760c5fdbf42a89872a911475
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SHA256
2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb
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SHA512
adfeef5ddff34e17a138c0fa9ce08b8a43e3e4b61d90a6e2f71c85dc6e97cdee3ee41545a9b30f0afcd36114af77766eba060f654cb7c1323f95cb913ff4a562
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SSDEEP
98304:JlPNnLMcliXgk6mZUGEiVLqbbhuqLV4AlEjP7e:JlP9LMc0wkDbEiV0LVIC
Malware Config
Signatures
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Glupteba payload 19 IoCs
Processes:
resource yara_rule behavioral1/memory/3156-2-0x00000000051F0000-0x0000000005ADB000-memory.dmp family_glupteba behavioral1/memory/3156-3-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral1/memory/3156-56-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral1/memory/3156-57-0x00000000051F0000-0x0000000005ADB000-memory.dmp family_glupteba behavioral1/memory/1344-59-0x0000000005220000-0x0000000005B0B000-memory.dmp family_glupteba behavioral1/memory/1344-60-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral1/memory/1344-94-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral1/memory/1344-122-0x0000000003670000-0x0000000003A76000-memory.dmp family_glupteba behavioral1/memory/1344-157-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral1/memory/4716-195-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral1/memory/4716-263-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral1/memory/4716-272-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral1/memory/4716-274-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral1/memory/4716-276-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral1/memory/4716-278-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral1/memory/4716-280-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral1/memory/4716-282-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral1/memory/4716-284-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral1/memory/4716-286-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 1928 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid process 4716 csrss.exe 4596 injector.exe 4452 windefender.exe 1424 windefender.exe -
Processes:
resource yara_rule C:\Windows\windefender.exe upx behavioral1/memory/4452-271-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1424-273-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1424-277-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
csrss.exe2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2177723727-746291240-1644359950-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-2177723727-746291240-1644359950-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.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:
2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exedescription ioc process File opened (read-only) \??\VBoxMiniRdrDN 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe -
Drops file in Windows directory 4 IoCs
Processes:
2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.execsrss.exedescription ioc process File opened for modification C:\Windows\rss 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe File created C:\Windows\rss\csrss.exe 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.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 4520 sc.exe -
Program crash 3 IoCs
Processes:
WerFault.exeWerFault.exeWerFault.exepid pid_target process target process 2616 3156 WerFault.exe 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe 2312 3156 WerFault.exe 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe 4940 3156 WerFault.exe 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.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 3796 schtasks.exe 3132 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exepowershell.exepowershell.exewindefender.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time" 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1022 = "Bangladesh Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-32 = "Mid-Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2321 = "Sakhalin Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-3142 = "South Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-41 = "E. South America Daylight Time" 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.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\26\52C64B7E\@tzres.dll,-52 = "Greenland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-361 = "GTB Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time" 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time" 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time" 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root 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\26\52C64B7E\@tzres.dll,-2612 = "Bougainville Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-431 = "Iran Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1501 = "Turkey Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time" 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time" 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time" 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2771 = "Omsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1662 = "Bahia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-171 = "Central Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-561 = "SE Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time" 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust 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\26\52C64B7E\@tzres.dll,-621 = "Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1042 = "Ulaanbaatar Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1932 = "Russia TZ 11 Standard Time" 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time" 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 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\26\52C64B7E\@tzres.dll,-12 = "Azores Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-682 = "E. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-352 = "FLE Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2872 = "Magallanes Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time" 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time" 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exepowershell.exe2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid process 1872 powershell.exe 1872 powershell.exe 1872 powershell.exe 3156 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe 3156 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe 1364 powershell.exe 1364 powershell.exe 1364 powershell.exe 1344 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe 1344 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe 1344 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe 1344 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe 1344 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe 1344 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe 1344 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe 1344 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe 1344 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe 1344 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe 1480 powershell.exe 1480 powershell.exe 1480 powershell.exe 1656 powershell.exe 1656 powershell.exe 1656 powershell.exe 4008 powershell.exe 4008 powershell.exe 4008 powershell.exe 1300 powershell.exe 1300 powershell.exe 1300 powershell.exe 1156 powershell.exe 1156 powershell.exe 1156 powershell.exe 4596 injector.exe 4596 injector.exe 4596 injector.exe 4596 injector.exe 4596 injector.exe 4596 injector.exe 4596 injector.exe 4596 injector.exe 4716 csrss.exe 4716 csrss.exe 4596 injector.exe 4596 injector.exe 4596 injector.exe 4596 injector.exe 4596 injector.exe 4596 injector.exe 4716 csrss.exe 4716 csrss.exe 4596 injector.exe 4596 injector.exe 4716 csrss.exe 4716 csrss.exe 4596 injector.exe 4596 injector.exe 4596 injector.exe 4596 injector.exe 4596 injector.exe 4596 injector.exe 4596 injector.exe 4596 injector.exe 4596 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid process Token: SeDebugPrivilege 1872 powershell.exe Token: SeDebugPrivilege 3156 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe Token: SeImpersonatePrivilege 3156 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe Token: SeDebugPrivilege 1364 powershell.exe Token: SeDebugPrivilege 1480 powershell.exe Token: SeDebugPrivilege 1656 powershell.exe Token: SeDebugPrivilege 4008 powershell.exe Token: SeDebugPrivilege 1300 powershell.exe Token: SeDebugPrivilege 1156 powershell.exe Token: SeSystemEnvironmentPrivilege 4716 csrss.exe Token: SeSecurityPrivilege 4520 sc.exe Token: SeSecurityPrivilege 4520 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.execmd.execsrss.exewindefender.execmd.exedescription pid process target process PID 3156 wrote to memory of 1872 3156 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe powershell.exe PID 3156 wrote to memory of 1872 3156 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe powershell.exe PID 3156 wrote to memory of 1872 3156 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe powershell.exe PID 1344 wrote to memory of 1364 1344 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe powershell.exe PID 1344 wrote to memory of 1364 1344 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe powershell.exe PID 1344 wrote to memory of 1364 1344 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe powershell.exe PID 1344 wrote to memory of 2712 1344 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe cmd.exe PID 1344 wrote to memory of 2712 1344 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe cmd.exe PID 2712 wrote to memory of 1928 2712 cmd.exe netsh.exe PID 2712 wrote to memory of 1928 2712 cmd.exe netsh.exe PID 1344 wrote to memory of 1480 1344 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe powershell.exe PID 1344 wrote to memory of 1480 1344 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe powershell.exe PID 1344 wrote to memory of 1480 1344 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe powershell.exe PID 1344 wrote to memory of 1656 1344 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe powershell.exe PID 1344 wrote to memory of 1656 1344 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe powershell.exe PID 1344 wrote to memory of 1656 1344 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe powershell.exe PID 1344 wrote to memory of 4716 1344 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe csrss.exe PID 1344 wrote to memory of 4716 1344 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe csrss.exe PID 1344 wrote to memory of 4716 1344 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe csrss.exe PID 4716 wrote to memory of 4008 4716 csrss.exe powershell.exe PID 4716 wrote to memory of 4008 4716 csrss.exe powershell.exe PID 4716 wrote to memory of 4008 4716 csrss.exe powershell.exe PID 4716 wrote to memory of 1300 4716 csrss.exe powershell.exe PID 4716 wrote to memory of 1300 4716 csrss.exe powershell.exe PID 4716 wrote to memory of 1300 4716 csrss.exe powershell.exe PID 4716 wrote to memory of 1156 4716 csrss.exe powershell.exe PID 4716 wrote to memory of 1156 4716 csrss.exe powershell.exe PID 4716 wrote to memory of 1156 4716 csrss.exe powershell.exe PID 4716 wrote to memory of 4596 4716 csrss.exe injector.exe PID 4716 wrote to memory of 4596 4716 csrss.exe injector.exe PID 4452 wrote to memory of 3892 4452 windefender.exe cmd.exe PID 4452 wrote to memory of 3892 4452 windefender.exe cmd.exe PID 4452 wrote to memory of 3892 4452 windefender.exe cmd.exe PID 3892 wrote to memory of 4520 3892 cmd.exe sc.exe PID 3892 wrote to memory of 4520 3892 cmd.exe sc.exe PID 3892 wrote to memory of 4520 3892 cmd.exe sc.exe -
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\2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe"C:\Users\Admin\AppData\Local\Temp\2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3156 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1872 -
C:\Users\Admin\AppData\Local\Temp\2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe"C:\Users\Admin\AppData\Local\Temp\2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.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:1344 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1364 -
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:2712 -
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:1928 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1480 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1656 -
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:4716 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4008 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:3796 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3840
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1300 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1156 -
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:4596 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:3132 -
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4452 -
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:3892 -
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:4520 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3156 -s 9122⤵
- Program crash
PID:2616 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3156 -s 7642⤵
- Program crash
PID:2312 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3156 -s 9642⤵
- Program crash
PID:4940
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 3156 -ip 31561⤵PID:324
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3156 -ip 31561⤵PID:4340
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 3156 -ip 31561⤵PID:4840
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1424
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
MD5fe70b0071eb4ffb6d6bfff682e77ff26
SHA15f501f964f4a38dc0385f4c0ce9245042e2852e4
SHA256793480cbe7588ea034030bc291e8391ee203c01dbfcbf5afdd11cdc58141eaa2
SHA51240c39f419ac3124ffad24d6db93b12dc55acd78baadfdf03875fee508e67dd5d12684a8cdae47749db269d13b46b1c578971b2c3e78fd65ab6874838948e927c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52892693bb130953087da4512b9389271
SHA18693b4893ff062bec52895125634c070d4651cbf
SHA256ba379a62e7a67318f2871bfc211ed369a9b2c9e534c4e67113160406ea1da4ee
SHA512a9047b26115d877f891b99b9e993457796fb60e166a3c5b0492bfaa4204742c8967f6186d3e8138b2f3e60028d881af83b8f413e574c3cc205eeda2d6652c8e8
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD546a6d7286da6143b0c55f154a2052796
SHA1f94d7775b3afab3e45307094648f66468e153003
SHA256dd8df694432fda1c1582f9b3b060c7be46d1664d407bb5e69324c408e133d0ba
SHA5129857fe4c01ae69bf013091e2da0973564564316fa1b543efebb3f3277e7750d949d8192f4117ad97a07518b697637a384163fcc15364c7e74235d409da881c20
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5dafc0012d46e5289d872b69f4bf41be3
SHA135a1a570ad1d57635d31a8c2ac0d01ee9070331c
SHA25622697004c50d83081a4eee9cc8476c70b9249f80068f52dac83bbf072d143443
SHA5121d0f6a7be99f0415f017d7b23432496bb857752b63010e682b1a31ba48b3b0fab2d5a9f0e7c99f06516ae5e8c640222c627f6803db39a3aa3e261f381e6c5e17
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d6bf9181a2a1f4f4c4d5fc1a43cc8f96
SHA125f8df28aba0bb05e3942f9e4ae76ad0513093e8
SHA2560662ec4bcd8396c87b81c5705a257c0357dc4e44d771d94a4e9bf1656b70a66e
SHA512ac0c18f3bedb3903c2e7a77d4cd0914749d1e89221e4da7cbc04ebeb3ca8fce9f60aa6b80bc092c7913e2780f9d2bae4755964157d282b2bf33a99992ae8a1f9
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Filesize
4.2MB
MD58fb180d9be8c59e56ff5e267446a688a
SHA1fa159f11a932d539760c5fdbf42a89872a911475
SHA2562bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb
SHA512adfeef5ddff34e17a138c0fa9ce08b8a43e3e4b61d90a6e2f71c85dc6e97cdee3ee41545a9b30f0afcd36114af77766eba060f654cb7c1323f95cb913ff4a562
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec