Analysis
-
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
20-05-2024 04:46
Static task
static1
Behavioral task
behavioral1
Sample
52291c6889f66d2c973e72e48eb62b7ac5855d396e9e29c54de1a25811b8c723.exe
Resource
win10v2004-20240426-en
General
-
Target
52291c6889f66d2c973e72e48eb62b7ac5855d396e9e29c54de1a25811b8c723.exe
-
Size
4.1MB
-
MD5
083454626f75d20a114ff31f81af6205
-
SHA1
c180bbf198f17f1ef0bff99aaf4af2c7fe259596
-
SHA256
52291c6889f66d2c973e72e48eb62b7ac5855d396e9e29c54de1a25811b8c723
-
SHA512
a69c72f527f1ebafae6e4c51ff1213176790851ee3c58794aff5be0d66a5c614e47b4e282228a6528ed8201fde5150255a3fab32ddf853968369760fb86e5bbf
-
SSDEEP
98304:fquwTfmIkbquibhaubey8xw4weLmAcL8k4+6XNB3Rebmbqb0hj:QLmIkbquibpii2yAk4+2fEKmbej
Malware Config
Signatures
-
Glupteba payload 18 IoCs
resource yara_rule behavioral1/memory/1876-2-0x0000000002D20000-0x000000000360B000-memory.dmp family_glupteba behavioral1/memory/1876-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1876-83-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1876-119-0x0000000002D20000-0x000000000360B000-memory.dmp family_glupteba behavioral1/memory/2140-135-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3456-212-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3456-227-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3456-229-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3456-232-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3456-235-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3456-238-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3456-242-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3456-244-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3456-247-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3456-250-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3456-254-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3456-256-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3456-259-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 5064 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3456 csrss.exe 1396 injector.exe 1456 windefender.exe 1868 windefender.exe -
resource yara_rule behavioral1/files/0x000900000002341d-221.dat upx behavioral1/memory/1456-222-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1868-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1456-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1868-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1868-236-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 52291c6889f66d2c973e72e48eb62b7ac5855d396e9e29c54de1a25811b8c723.exe Set value (str) \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\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.
-
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 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 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 -
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 52291c6889f66d2c973e72e48eb62b7ac5855d396e9e29c54de1a25811b8c723.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 52291c6889f66d2c973e72e48eb62b7ac5855d396e9e29c54de1a25811b8c723.exe File created C:\Windows\rss\csrss.exe 52291c6889f66d2c973e72e48eb62b7ac5855d396e9e29c54de1a25811b8c723.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 696 sc.exe -
pid Process 1516 powershell.exe 3208 powershell.exe 1336 powershell.exe 5020 powershell.exe 3488 powershell.exe 3864 powershell.exe 4060 powershell.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 2464 schtasks.exe 4548 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.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\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-171 = "Central Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" 52291c6889f66d2c973e72e48eb62b7ac5855d396e9e29c54de1a25811b8c723.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" 52291c6889f66d2c973e72e48eb62b7ac5855d396e9e29c54de1a25811b8c723.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2391 = "Aleutian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-151 = "Central America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-331 = "E. Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time" 52291c6889f66d2c973e72e48eb62b7ac5855d396e9e29c54de1a25811b8c723.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs 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\2a\52C64B7E\@tzres.dll,-411 = "E. Africa Daylight Time" windefender.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,-202 = "US Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" 52291c6889f66d2c973e72e48eb62b7ac5855d396e9e29c54de1a25811b8c723.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time" 52291c6889f66d2c973e72e48eb62b7ac5855d396e9e29c54de1a25811b8c723.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1862 = "Russia TZ 6 Standard Time" 52291c6889f66d2c973e72e48eb62b7ac5855d396e9e29c54de1a25811b8c723.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-222 = "Alaskan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2842 = "Saratov Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time" 52291c6889f66d2c973e72e48eb62b7ac5855d396e9e29c54de1a25811b8c723.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" 52291c6889f66d2c973e72e48eb62b7ac5855d396e9e29c54de1a25811b8c723.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" 52291c6889f66d2c973e72e48eb62b7ac5855d396e9e29c54de1a25811b8c723.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2531 = "Chatham Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-531 = "Sri Lanka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" 52291c6889f66d2c973e72e48eb62b7ac5855d396e9e29c54de1a25811b8c723.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time" 52291c6889f66d2c973e72e48eb62b7ac5855d396e9e29c54de1a25811b8c723.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2181 = "Astrakhan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-332 = "E. Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" 52291c6889f66d2c973e72e48eb62b7ac5855d396e9e29c54de1a25811b8c723.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-412 = "E. Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-371 = "Jerusalem Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" 52291c6889f66d2c973e72e48eb62b7ac5855d396e9e29c54de1a25811b8c723.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" 52291c6889f66d2c973e72e48eb62b7ac5855d396e9e29c54de1a25811b8c723.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2431 = "Cuba Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1872 = "Russia TZ 7 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2451 = "Saint Pierre Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-432 = "Iran Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-742 = "New Zealand Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time" 52291c6889f66d2c973e72e48eb62b7ac5855d396e9e29c54de1a25811b8c723.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time" 52291c6889f66d2c973e72e48eb62b7ac5855d396e9e29c54de1a25811b8c723.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3208 powershell.exe 3208 powershell.exe 1876 52291c6889f66d2c973e72e48eb62b7ac5855d396e9e29c54de1a25811b8c723.exe 1876 52291c6889f66d2c973e72e48eb62b7ac5855d396e9e29c54de1a25811b8c723.exe 1336 powershell.exe 1336 powershell.exe 1336 powershell.exe 2140 52291c6889f66d2c973e72e48eb62b7ac5855d396e9e29c54de1a25811b8c723.exe 2140 52291c6889f66d2c973e72e48eb62b7ac5855d396e9e29c54de1a25811b8c723.exe 2140 52291c6889f66d2c973e72e48eb62b7ac5855d396e9e29c54de1a25811b8c723.exe 2140 52291c6889f66d2c973e72e48eb62b7ac5855d396e9e29c54de1a25811b8c723.exe 2140 52291c6889f66d2c973e72e48eb62b7ac5855d396e9e29c54de1a25811b8c723.exe 2140 52291c6889f66d2c973e72e48eb62b7ac5855d396e9e29c54de1a25811b8c723.exe 2140 52291c6889f66d2c973e72e48eb62b7ac5855d396e9e29c54de1a25811b8c723.exe 2140 52291c6889f66d2c973e72e48eb62b7ac5855d396e9e29c54de1a25811b8c723.exe 2140 52291c6889f66d2c973e72e48eb62b7ac5855d396e9e29c54de1a25811b8c723.exe 2140 52291c6889f66d2c973e72e48eb62b7ac5855d396e9e29c54de1a25811b8c723.exe 5020 powershell.exe 5020 powershell.exe 5020 powershell.exe 3488 powershell.exe 3488 powershell.exe 3864 powershell.exe 3864 powershell.exe 4060 powershell.exe 4060 powershell.exe 1516 powershell.exe 1516 powershell.exe 1396 injector.exe 1396 injector.exe 1396 injector.exe 1396 injector.exe 1396 injector.exe 1396 injector.exe 3456 csrss.exe 3456 csrss.exe 1396 injector.exe 1396 injector.exe 1396 injector.exe 1396 injector.exe 1396 injector.exe 1396 injector.exe 3456 csrss.exe 3456 csrss.exe 1396 injector.exe 1396 injector.exe 3456 csrss.exe 3456 csrss.exe 1396 injector.exe 1396 injector.exe 1396 injector.exe 1396 injector.exe 1396 injector.exe 1396 injector.exe 1396 injector.exe 1396 injector.exe 1396 injector.exe 1396 injector.exe 1396 injector.exe 1396 injector.exe 1396 injector.exe 1396 injector.exe 1396 injector.exe 1396 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3208 powershell.exe Token: SeDebugPrivilege 1876 52291c6889f66d2c973e72e48eb62b7ac5855d396e9e29c54de1a25811b8c723.exe Token: SeImpersonatePrivilege 1876 52291c6889f66d2c973e72e48eb62b7ac5855d396e9e29c54de1a25811b8c723.exe Token: SeDebugPrivilege 1336 powershell.exe Token: SeDebugPrivilege 5020 powershell.exe Token: SeDebugPrivilege 3488 powershell.exe Token: SeDebugPrivilege 3864 powershell.exe Token: SeDebugPrivilege 4060 powershell.exe Token: SeDebugPrivilege 1516 powershell.exe Token: SeSystemEnvironmentPrivilege 3456 csrss.exe Token: SeSecurityPrivilege 696 sc.exe Token: SeSecurityPrivilege 696 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1876 wrote to memory of 3208 1876 52291c6889f66d2c973e72e48eb62b7ac5855d396e9e29c54de1a25811b8c723.exe 89 PID 1876 wrote to memory of 3208 1876 52291c6889f66d2c973e72e48eb62b7ac5855d396e9e29c54de1a25811b8c723.exe 89 PID 1876 wrote to memory of 3208 1876 52291c6889f66d2c973e72e48eb62b7ac5855d396e9e29c54de1a25811b8c723.exe 89 PID 2140 wrote to memory of 1336 2140 52291c6889f66d2c973e72e48eb62b7ac5855d396e9e29c54de1a25811b8c723.exe 97 PID 2140 wrote to memory of 1336 2140 52291c6889f66d2c973e72e48eb62b7ac5855d396e9e29c54de1a25811b8c723.exe 97 PID 2140 wrote to memory of 1336 2140 52291c6889f66d2c973e72e48eb62b7ac5855d396e9e29c54de1a25811b8c723.exe 97 PID 2140 wrote to memory of 4968 2140 52291c6889f66d2c973e72e48eb62b7ac5855d396e9e29c54de1a25811b8c723.exe 102 PID 2140 wrote to memory of 4968 2140 52291c6889f66d2c973e72e48eb62b7ac5855d396e9e29c54de1a25811b8c723.exe 102 PID 4968 wrote to memory of 5064 4968 cmd.exe 104 PID 4968 wrote to memory of 5064 4968 cmd.exe 104 PID 2140 wrote to memory of 5020 2140 52291c6889f66d2c973e72e48eb62b7ac5855d396e9e29c54de1a25811b8c723.exe 106 PID 2140 wrote to memory of 5020 2140 52291c6889f66d2c973e72e48eb62b7ac5855d396e9e29c54de1a25811b8c723.exe 106 PID 2140 wrote to memory of 5020 2140 52291c6889f66d2c973e72e48eb62b7ac5855d396e9e29c54de1a25811b8c723.exe 106 PID 2140 wrote to memory of 3488 2140 52291c6889f66d2c973e72e48eb62b7ac5855d396e9e29c54de1a25811b8c723.exe 108 PID 2140 wrote to memory of 3488 2140 52291c6889f66d2c973e72e48eb62b7ac5855d396e9e29c54de1a25811b8c723.exe 108 PID 2140 wrote to memory of 3488 2140 52291c6889f66d2c973e72e48eb62b7ac5855d396e9e29c54de1a25811b8c723.exe 108 PID 2140 wrote to memory of 3456 2140 52291c6889f66d2c973e72e48eb62b7ac5855d396e9e29c54de1a25811b8c723.exe 110 PID 2140 wrote to memory of 3456 2140 52291c6889f66d2c973e72e48eb62b7ac5855d396e9e29c54de1a25811b8c723.exe 110 PID 2140 wrote to memory of 3456 2140 52291c6889f66d2c973e72e48eb62b7ac5855d396e9e29c54de1a25811b8c723.exe 110 PID 3456 wrote to memory of 3864 3456 csrss.exe 111 PID 3456 wrote to memory of 3864 3456 csrss.exe 111 PID 3456 wrote to memory of 3864 3456 csrss.exe 111 PID 3456 wrote to memory of 4060 3456 csrss.exe 116 PID 3456 wrote to memory of 4060 3456 csrss.exe 116 PID 3456 wrote to memory of 4060 3456 csrss.exe 116 PID 3456 wrote to memory of 1516 3456 csrss.exe 119 PID 3456 wrote to memory of 1516 3456 csrss.exe 119 PID 3456 wrote to memory of 1516 3456 csrss.exe 119 PID 3456 wrote to memory of 1396 3456 csrss.exe 121 PID 3456 wrote to memory of 1396 3456 csrss.exe 121 PID 1456 wrote to memory of 3320 1456 windefender.exe 129 PID 1456 wrote to memory of 3320 1456 windefender.exe 129 PID 1456 wrote to memory of 3320 1456 windefender.exe 129 PID 3320 wrote to memory of 696 3320 cmd.exe 130 PID 3320 wrote to memory of 696 3320 cmd.exe 130 PID 3320 wrote to memory of 696 3320 cmd.exe 130 -
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
-
C:\Users\Admin\AppData\Local\Temp\52291c6889f66d2c973e72e48eb62b7ac5855d396e9e29c54de1a25811b8c723.exe"C:\Users\Admin\AppData\Local\Temp\52291c6889f66d2c973e72e48eb62b7ac5855d396e9e29c54de1a25811b8c723.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1876 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3208
-
-
C:\Users\Admin\AppData\Local\Temp\52291c6889f66d2c973e72e48eb62b7ac5855d396e9e29c54de1a25811b8c723.exe"C:\Users\Admin\AppData\Local\Temp\52291c6889f66d2c973e72e48eb62b7ac5855d396e9e29c54de1a25811b8c723.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:2140 -
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:1336
-
-
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:4968 -
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:5064
-
-
-
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:5020
-
-
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:3488
-
-
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:3456 -
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:3864
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:2464
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4712
-
-
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:4060
-
-
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:1516
-
-
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:1396
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:4548
-
-
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1456 -
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:3320 -
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:696
-
-
-
-
-
-
C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1868
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
Loading Replay Monitor...
Downloads
-
Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
-
Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57ab17baf4843cd52738f2953d17920de
SHA1288e44c18753863ff85c924b550f13767591f97b
SHA2562a3328963be88642deac08179a51ac0e21dd538e8af8ba75521bc1ff07209a31
SHA5124f69e6af803547a28c9832eda3a41e5b1d7e5bc0fe1600c0122e36caa786f37ade7ab52b2ddb4786f999c77cb60c8a8badee510bf81c8f195e0014d51e95cdb6
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e24d5771278350117bf4b392f8533362
SHA135c9933f551d6c4ae548caaf54a15e62362c71d4
SHA256c8c70b7f3b897e43b2ad0e5f49ec7e3599f5f583f842279707e495e6bd460d56
SHA512b2dee0cb2627fdbb27de35e855c8c8c1e771a8632588984962683ca5e3a4407f22a6e7347b1e8e7728237237489f515d9f2d7c2066376c9b604b717e00d55366
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52129c033d7f95c6b433c62fbbb98027d
SHA1750b279ad806b3db8320447582a5783f34e6e3fc
SHA25668394c4968a1916369bf830b2891da6a84f50ea7df8168b690b5c0a1e7fd9913
SHA51253329d94bf3fc60cc0dd914135c604b01214315a3acf904c6886d56227e2d8f7ec872337eeb4d7c0e82255fe628ceda58b1ed79bf38ef63ffaac34efc188da34
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c7b8b528272cb1cb0ae8059e4bbd3bc4
SHA1d3a71dc9d3e5c55c99c23fa0b392133479dd8b68
SHA25618d5c8ccf4437cc107066b70b87fb53a9f99f6df29110e35c6809c269f6c867b
SHA5121d78b9d3bbc8c511439e65972560dd15c49464b24f790ceda0aac8dd45dfab3e2292333f43cb7bd50b98ac9fc9677d3fe7a02d2ce40f75f135e9749cdc0cc060
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ac4a4040314fa2f228cc314cac14b30b
SHA1db54ee6db414c195654cfea470072e1b7e7e5163
SHA2566560ff2fc53c12fce61546e41fff5c2deab500d9dd8067b6321c263ea37e4913
SHA512ff4824feba3a25470399a0aa0a01dc37e5362cff8d79337cb1c49cb2953bf8a882c237c1b47195c56a1227b586d98e6a877d8211dfb825541b125b85d8228713
-
Filesize
4.1MB
MD5083454626f75d20a114ff31f81af6205
SHA1c180bbf198f17f1ef0bff99aaf4af2c7fe259596
SHA25652291c6889f66d2c973e72e48eb62b7ac5855d396e9e29c54de1a25811b8c723
SHA512a69c72f527f1ebafae6e4c51ff1213176790851ee3c58794aff5be0d66a5c614e47b4e282228a6528ed8201fde5150255a3fab32ddf853968369760fb86e5bbf
-
Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec