Analysis
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max time kernel
156s -
max time network
161s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
10/04/2024, 23:48
Static task
static1
Behavioral task
behavioral1
Sample
4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe
Resource
win10v2004-20240226-en
General
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Target
4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe
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Size
4.2MB
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MD5
ac03967ca4f578b84f8a22f2cc467b4d
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SHA1
34332ef1c296db1c10504d4411c01c0deb16f76b
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SHA256
4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85
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SHA512
be335ed9e7cd9020384582d5377863dadeb7ec870a929231fd1c91da1cbe3338d1130c1a244ef29865c91cba1870d7f8454280086165314d4006a493c268f2ff
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SSDEEP
49152:LCOF1sMD8ixbcYiI1/5Xdq92KNQltOgz0z/JM8HRldRxlb63Pz55DJcsXyki2j4J:BcMAMDXENCwl9lG3t5tdik4CrnFE1
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral1/memory/4188-2-0x0000000002F10000-0x00000000037FB000-memory.dmp family_glupteba behavioral1/memory/4188-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4188-4-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4188-30-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4188-49-0x0000000002F10000-0x00000000037FB000-memory.dmp family_glupteba behavioral1/memory/4188-58-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4188-59-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2416-63-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2416-93-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2416-99-0x0000000002A30000-0x0000000002E31000-memory.dmp family_glupteba behavioral1/memory/2416-115-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2416-129-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2416-161-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3260-197-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3260-261-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3260-271-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3260-278-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3260-281-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 812 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3260 csrss.exe 2732 injector.exe 2400 windefender.exe 3472 windefender.exe -
resource yara_rule behavioral1/files/0x0006000000000507-270.dat upx behavioral1/memory/2400-276-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3472-279-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\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.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe File created C:\Windows\rss\csrss.exe 4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.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.
pid Process 4620 sc.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4520 schtasks.exe 532 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" 4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" 4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" 4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time" 4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time" 4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time" 4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time" 4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time" 4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time" 4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs 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\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time" 4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time" 4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time" 4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time" 4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time" 4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" 4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" 4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time" 4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.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\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" 4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time" 4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1892 = "Russia TZ 3 Standard Time" 4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 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\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time" 4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" 4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time" 4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time" 4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time" 4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs 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\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)" 4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.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\CA\CRLs 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\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" 4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time" 4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time" 4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" 4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time" 4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" 4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 5020 powershell.exe 5020 powershell.exe 4188 4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe 4188 4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe 3468 powershell.exe 3468 powershell.exe 3468 powershell.exe 2416 4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe 2416 4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe 2416 4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe 2416 4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe 2416 4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe 2416 4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe 2416 4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe 2416 4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe 2416 4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe 2416 4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe 5068 powershell.exe 5068 powershell.exe 5068 powershell.exe 5008 powershell.exe 5008 powershell.exe 5008 powershell.exe 3032 powershell.exe 3032 powershell.exe 1372 powershell.exe 1372 powershell.exe 1372 powershell.exe 2280 powershell.exe 2280 powershell.exe 2732 injector.exe 2732 injector.exe 2732 injector.exe 2732 injector.exe 2732 injector.exe 2732 injector.exe 3260 csrss.exe 3260 csrss.exe 2732 injector.exe 2732 injector.exe 2732 injector.exe 2732 injector.exe 2732 injector.exe 2732 injector.exe 3260 csrss.exe 3260 csrss.exe 2732 injector.exe 2732 injector.exe 3260 csrss.exe 3260 csrss.exe 2732 injector.exe 2732 injector.exe 2732 injector.exe 2732 injector.exe 2732 injector.exe 2732 injector.exe 2732 injector.exe 2732 injector.exe 2732 injector.exe 2732 injector.exe 2732 injector.exe 2732 injector.exe 2732 injector.exe 2732 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 5020 powershell.exe Token: SeDebugPrivilege 4188 4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe Token: SeImpersonatePrivilege 4188 4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe Token: SeDebugPrivilege 3468 powershell.exe Token: SeDebugPrivilege 5068 powershell.exe Token: SeDebugPrivilege 5008 powershell.exe Token: SeDebugPrivilege 3032 powershell.exe Token: SeDebugPrivilege 1372 powershell.exe Token: SeDebugPrivilege 2280 powershell.exe Token: SeSystemEnvironmentPrivilege 3260 csrss.exe Token: SeSecurityPrivilege 4620 sc.exe Token: SeSecurityPrivilege 4620 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4188 wrote to memory of 5020 4188 4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe 92 PID 4188 wrote to memory of 5020 4188 4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe 92 PID 4188 wrote to memory of 5020 4188 4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe 92 PID 2416 wrote to memory of 3468 2416 4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe 104 PID 2416 wrote to memory of 3468 2416 4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe 104 PID 2416 wrote to memory of 3468 2416 4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe 104 PID 2416 wrote to memory of 1628 2416 4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe 106 PID 2416 wrote to memory of 1628 2416 4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe 106 PID 1628 wrote to memory of 812 1628 cmd.exe 108 PID 1628 wrote to memory of 812 1628 cmd.exe 108 PID 2416 wrote to memory of 5068 2416 4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe 109 PID 2416 wrote to memory of 5068 2416 4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe 109 PID 2416 wrote to memory of 5068 2416 4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe 109 PID 2416 wrote to memory of 5008 2416 4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe 111 PID 2416 wrote to memory of 5008 2416 4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe 111 PID 2416 wrote to memory of 5008 2416 4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe 111 PID 2416 wrote to memory of 3260 2416 4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe 113 PID 2416 wrote to memory of 3260 2416 4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe 113 PID 2416 wrote to memory of 3260 2416 4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe 113 PID 3260 wrote to memory of 3032 3260 csrss.exe 114 PID 3260 wrote to memory of 3032 3260 csrss.exe 114 PID 3260 wrote to memory of 3032 3260 csrss.exe 114 PID 3260 wrote to memory of 1372 3260 csrss.exe 119 PID 3260 wrote to memory of 1372 3260 csrss.exe 119 PID 3260 wrote to memory of 1372 3260 csrss.exe 119 PID 3260 wrote to memory of 2280 3260 csrss.exe 122 PID 3260 wrote to memory of 2280 3260 csrss.exe 122 PID 3260 wrote to memory of 2280 3260 csrss.exe 122 PID 3260 wrote to memory of 2732 3260 csrss.exe 124 PID 3260 wrote to memory of 2732 3260 csrss.exe 124 PID 2400 wrote to memory of 1448 2400 windefender.exe 130 PID 2400 wrote to memory of 1448 2400 windefender.exe 130 PID 2400 wrote to memory of 1448 2400 windefender.exe 130 PID 1448 wrote to memory of 4620 1448 cmd.exe 131 PID 1448 wrote to memory of 4620 1448 cmd.exe 131 PID 1448 wrote to memory of 4620 1448 cmd.exe 131 -
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\4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe"C:\Users\Admin\AppData\Local\Temp\4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4188 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5020
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C:\Users\Admin\AppData\Local\Temp\4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe"C:\Users\Admin\AppData\Local\Temp\4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.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:2416 -
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:3468
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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:1628 -
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:812
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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:5068
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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:5008
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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:3260 -
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:3032
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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:532
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:436
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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:1372
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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:2280
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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:2732
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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:4520
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2400 -
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:1448 -
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:4620
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3824 --field-trial-handle=2272,i,4858140932023865871,5726683989663339295,262144 --variations-seed-version /prefetch:81⤵PID:568
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
PID:3472
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
MD51b63466db878c998d14199df99f2049c
SHA173c07359efacf6d294a45e62181db96b290e4b4b
SHA2560e84e77d411c8efd67afb290de8fa2d67f9dda65628c2c7a874cbcf34b53a4eb
SHA51222ea2f5871eb9923cb804fbe12b6d16f24759a2bfa00d1a8d95ededb7b8910ba35b460d867bb7d343cdb39aa285ff8d2bbfa7e7ee8b991597c303ee022de2acb
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ec47306422e8de8c48a29d5c51d76e27
SHA1f6660ba5e25e1facdfcaf923d0463a2a187bb91d
SHA256cf95df6dc9db4fc5730cab4b8e386f57a131138df6a40220ca22974073129d59
SHA5122fb86ddf6295b83f4679ab284e6f472b2c891c4eb8c6adb60311b08c5c51e9ca22cb5b91050e6e2f502081efac0ff951e62c371bd8b4e4cc0988f8ba62c353fd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c375d653b35cdddf1bc9f77ee01020f5
SHA120b9b6a18498c02a7a7bdb5f05325fe63a816911
SHA2560d4d992dbf1397e6687f5c2ebaf7399239b320e7ba2aa8c7d03d8995ba099434
SHA512ddbcf098e4e94617b16c3b0231ebbbabf7b998f825bc6d058643c47acb4c0aca663dbd037384fac328c7778bbee741502fa5be7af4e084cea57d5ca84a436c8d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5bea819781529cf6c97df088038fee617
SHA1e0de19b6ccc9a3ab884bd03cda489c748ef12c4c
SHA25630dd193856ab2cd462dd7d09f16cdc77526eb79604b62ed4d56cd958ffa6c4ee
SHA51248a43ec78c0bd12da222c92153042cef13c0ad960f62d75c2b3ae94b2dc135cc96cc478d1923403357b959734aa04e6e4799cca05fa32073be6d3698c662960b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5bc481764fa772e9d165c9f8a8452767f
SHA1e12c19f8559d98973df94a7aed5a589812c70838
SHA2563750c0119b3c16940413e588c0d528b50ed7be2e0684e2adbf9f2c439379a44a
SHA512dd3d76d0bb1319e451471de4e63ad295121d4116923b8fa81855a44698074943fbaf7dcfe5654295124da5abb295911271fab39ab492ad646f447972593ba321
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Filesize
4.2MB
MD5ac03967ca4f578b84f8a22f2cc467b4d
SHA134332ef1c296db1c10504d4411c01c0deb16f76b
SHA2564b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85
SHA512be335ed9e7cd9020384582d5377863dadeb7ec870a929231fd1c91da1cbe3338d1130c1a244ef29865c91cba1870d7f8454280086165314d4006a493c268f2ff
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec