Malware Analysis Report

2024-12-08 02:42

Sample ID 240912-2l82jaygkn
Target 554b2043561d118dc0e49ae3d860aaaed5d199cde5f69b65fe9a84cdd6c73760
SHA256 554b2043561d118dc0e49ae3d860aaaed5d199cde5f69b65fe9a84cdd6c73760
Tags
floxif backdoor discovery persistence privilege_escalation trojan upx
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

554b2043561d118dc0e49ae3d860aaaed5d199cde5f69b65fe9a84cdd6c73760

Threat Level: Known bad

The file 554b2043561d118dc0e49ae3d860aaaed5d199cde5f69b65fe9a84cdd6c73760 was found to be: Known bad.

Malicious Activity Summary

floxif backdoor discovery persistence privilege_escalation trojan upx

Floxif, Floodfix

Detects Floxif payload

Event Triggered Execution: AppInit DLLs

ACProtect 1.3x - 1.4x DLL software

Loads dropped DLL

UPX packed file

Drops file in Program Files directory

System Location Discovery: System Language Discovery

Modifies registry class

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-12 22:41

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-12 22:41

Reported

2024-09-12 22:43

Platform

win7-20240903-en

Max time kernel

119s

Max time network

120s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\554b2043561d118dc0e49ae3d860aaaed5d199cde5f69b65fe9a84cdd6c73760.dll

Signatures

Floxif, Floodfix

backdoor trojan floxif

Detects Floxif payload

backdoor
Description Indicator Process Target
N/A N/A N/A N/A

Event Triggered Execution: AppInit DLLs

persistence privilege_escalation

ACProtect 1.3x - 1.4x DLL software

Description Indicator Process Target
N/A N/A N/A N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\regsvr32.exe N/A

UPX packed file

upx
Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

Drops file in Program Files directory

Description Indicator Process Target
File created C:\Program Files\Common Files\System\symsrv.dll C:\Windows\SysWOW64\regsvr32.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\regsvr32.exe N/A

Modifies registry class

Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\IDMIECC.IDMHelperLinksStorage.1\CLSID\ = "{436D67E1-2FB3-4A6C-B3CD-FF8A41B0664D}" C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3BDFC55C-ED33-43BB-9A77-57C2AF4B56EF}\1.0\ = "IDMIECC 1.0 Type Library" C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{98D060EC-53AF-4F61-8180-43C507C9FF94}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{98D060EC-53AF-4F61-8180-43C507C9FF94}\ProxyStubClsid32 C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{C7798BD6-34AF-4925-B01C-450C9EAD2DD9}\ = "IIDMHelperLinksStorage" C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{C7798BD6-34AF-4925-B01C-450C9EAD2DD9}\TypeLib\ = "{3BDFC55C-ED33-43BB-9A77-57C2AF4B56EF}" C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{0055C089-8582-441B-A0BF-17B458C2A3A8}\VersionIndependentProgID\ = "IDMIECC.IDMIEHlprObj" C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{C7798BD6-34AF-4925-B01C-450C9EAD2DD9}\TypeLib\Version = "1.0" C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C7798BD6-34AF-4925-B01C-450C9EAD2DD9}\TypeLib\Version = "1.0" C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{0055C089-8582-441B-A0BF-17B458C2A3A8}\Programmable C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{0055C089-8582-441B-A0BF-17B458C2A3A8}\InprocServer32 C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\IDMIECC.IDMHelperLinksStorage.1 C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\IDMIECC.IDMHelperLinksStorage.1\ = "IDMHelperLinksStorage Class" C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3BDFC55C-ED33-43BB-9A77-57C2AF4B56EF}\1.0\0 C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3BDFC55C-ED33-43BB-9A77-57C2AF4B56EF}\1.0\HELPDIR C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C7798BD6-34AF-4925-B01C-450C9EAD2DD9}\ = "IIDMHelperLinksStorage" C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C7798BD6-34AF-4925-B01C-450C9EAD2DD9}\ProxyStubClsid32 C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C7798BD6-34AF-4925-B01C-450C9EAD2DD9}\TypeLib\ = "{3BDFC55C-ED33-43BB-9A77-57C2AF4B56EF}" C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{0055C089-8582-441B-A0BF-17B458C2A3A8}\ = "IDM integration (IDMIEHlprObj Class)" C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{436D67E1-2FB3-4A6C-B3CD-FF8A41B0664D}\InprocServer32 C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{C7798BD6-34AF-4925-B01C-450C9EAD2DD9}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{0055C089-8582-441B-A0BF-17B458C2A3A8}\TypeLib\ = "{3BDFC55C-ED33-43BB-9A77-57C2AF4B56EF}" C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{436D67E1-2FB3-4A6C-B3CD-FF8A41B0664D}\ = "IDMHelperLinksStorage Class" C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\IDMIECC.IDMHelperLinksStorage\ = "IDMHelperLinksStorage Class" C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3BDFC55C-ED33-43BB-9A77-57C2AF4B56EF}\1.0\0\win32 C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{C7798BD6-34AF-4925-B01C-450C9EAD2DD9}\ProxyStubClsid32 C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\IDMIECC.IDMIEHlprObj\CurVer C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\IDMIECC.IDMIEHlprObj\CurVer\ = "IDMIECC.IDMIEHlprObj.1" C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{0055C089-8582-441B-A0BF-17B458C2A3A8}\InprocServer32\ThreadingModel = "Apartment" C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\IDMIECC.IDMHelperLinksStorage C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{436D67E1-2FB3-4A6C-B3CD-FF8A41B0664D}\Programmable C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3BDFC55C-ED33-43BB-9A77-57C2AF4B56EF}\1.0 C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{98D060EC-53AF-4F61-8180-43C507C9FF94} C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{98D060EC-53AF-4F61-8180-43C507C9FF94} C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{98D060EC-53AF-4F61-8180-43C507C9FF94}\TypeLib\ = "{3BDFC55C-ED33-43BB-9A77-57C2AF4B56EF}" C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\IDMIECC.IDMHelperLinksStorage\CurVer C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{436D67E1-2FB3-4A6C-B3CD-FF8A41B0664D}\VersionIndependentProgID C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{98D060EC-53AF-4F61-8180-43C507C9FF94}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C7798BD6-34AF-4925-B01C-450C9EAD2DD9} C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C7798BD6-34AF-4925-B01C-450C9EAD2DD9}\TypeLib C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\IDMIECC.IDMIEHlprObj.1\ = "IDMIEHlprObj Class" C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\IDMIECC.IDMHelperLinksStorage\CurVer\ = "IDMIECC.IDMHelperLinksStorage.1" C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{436D67E1-2FB3-4A6C-B3CD-FF8A41B0664D}\InprocServer32\ThreadingModel = "Apartment" C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{436D67E1-2FB3-4A6C-B3CD-FF8A41B0664D}\TypeLib C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3BDFC55C-ED33-43BB-9A77-57C2AF4B56EF} C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3BDFC55C-ED33-43BB-9A77-57C2AF4B56EF}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\554b2043561d118dc0e49ae3d860aaaed5d199cde5f69b65fe9a84cdd6c73760.dll" C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{98D060EC-53AF-4F61-8180-43C507C9FF94}\ProxyStubClsid32 C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\IDMIECC.IDMIEHlprObj\CLSID C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{0055C089-8582-441B-A0BF-17B458C2A3A8}\ProgID\ = "IDMIECC.IDMIEHlprObj.1" C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\IDMIECC.IDMHelperLinksStorage.1\CLSID C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{98D060EC-53AF-4F61-8180-43C507C9FF94}\ = "IIDMIEHlprObj" C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{98D060EC-53AF-4F61-8180-43C507C9FF94}\TypeLib C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{98D060EC-53AF-4F61-8180-43C507C9FF94}\TypeLib\ = "{3BDFC55C-ED33-43BB-9A77-57C2AF4B56EF}" C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{98D060EC-53AF-4F61-8180-43C507C9FF94}\TypeLib\Version = "1.0" C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{0055C089-8582-441B-A0BF-17B458C2A3A8}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\554b2043561d118dc0e49ae3d860aaaed5d199cde5f69b65fe9a84cdd6c73760.dll" C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\IDMIECC.IDMHelperLinksStorage\CLSID\ = "{436D67E1-2FB3-4A6C-B3CD-FF8A41B0664D}" C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{98D060EC-53AF-4F61-8180-43C507C9FF94}\TypeLib\Version = "1.0" C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\IDMIECC.IDMIEHlprObj C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\IDMIECC.IDMIEHlprObj\ = "IDMIEHlprObj Class" C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\IDMIECC.IDMIEHlprObj\CLSID\ = "{0055C089-8582-441B-A0BF-17B458C2A3A8}" C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{0055C089-8582-441B-A0BF-17B458C2A3A8}\VersionIndependentProgID C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{0055C089-8582-441B-A0BF-17B458C2A3A8}\TypeLib C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3BDFC55C-ED33-43BB-9A77-57C2AF4B56EF}\1.0\FLAGS\ = "0" C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{0055C089-8582-441B-A0BF-17B458C2A3A8}\Implemented Categories C:\Windows\SysWOW64\regsvr32.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\regsvr32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1928 wrote to memory of 1880 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1928 wrote to memory of 1880 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1928 wrote to memory of 1880 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1928 wrote to memory of 1880 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1928 wrote to memory of 1880 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1928 wrote to memory of 1880 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1928 wrote to memory of 1880 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe

Processes

C:\Windows\system32\regsvr32.exe

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\554b2043561d118dc0e49ae3d860aaaed5d199cde5f69b65fe9a84cdd6c73760.dll

C:\Windows\SysWOW64\regsvr32.exe

/s C:\Users\Admin\AppData\Local\Temp\554b2043561d118dc0e49ae3d860aaaed5d199cde5f69b65fe9a84cdd6c73760.dll

Network

N/A

Files

\Program Files\Common Files\System\symsrv.dll

MD5 7574cf2c64f35161ab1292e2f532aabf
SHA1 14ba3fa927a06224dfe587014299e834def4644f
SHA256 de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085
SHA512 4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

memory/1880-3-0x0000000010000000-0x0000000010030000-memory.dmp

memory/1880-6-0x0000000010000000-0x0000000010030000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-12 22:41

Reported

2024-09-12 22:43

Platform

win10v2004-20240802-en

Max time kernel

148s

Max time network

153s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\554b2043561d118dc0e49ae3d860aaaed5d199cde5f69b65fe9a84cdd6c73760.dll

Signatures

Floxif, Floodfix

backdoor trojan floxif

Detects Floxif payload

backdoor
Description Indicator Process Target
N/A N/A N/A N/A

ACProtect 1.3x - 1.4x DLL software

Description Indicator Process Target
N/A N/A N/A N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\regsvr32.exe N/A

UPX packed file

upx
Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

Drops file in Program Files directory

Description Indicator Process Target
File created C:\Program Files\Common Files\System\symsrv.dll C:\Windows\SysWOW64\regsvr32.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\regsvr32.exe N/A

Modifies registry class

Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\IDMIECC.IDMIEHlprObj.1\CLSID\ = "{0055C089-8582-441B-A0BF-17B458C2A3A8}" C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\IDMIECC.IDMHelperLinksStorage\CurVer C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C7798BD6-34AF-4925-B01C-450C9EAD2DD9}\ProxyStubClsid32 C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0055C089-8582-441B-A0BF-17B458C2A3A8}\Implemented Categories\{59FB2056-D625-48D0-A944-1A85B5AB2640} C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{436D67E1-2FB3-4A6C-B3CD-FF8A41B0664D}\VersionIndependentProgID C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{98D060EC-53AF-4F61-8180-43C507C9FF94}\TypeLib\Version = "1.0" C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C7798BD6-34AF-4925-B01C-450C9EAD2DD9}\TypeLib\Version = "1.0" C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3BDFC55C-ED33-43BB-9A77-57C2AF4B56EF}\1.0\FLAGS\ = "0" C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{98D060EC-53AF-4F61-8180-43C507C9FF94}\TypeLib\ = "{3BDFC55C-ED33-43BB-9A77-57C2AF4B56EF}" C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C7798BD6-34AF-4925-B01C-450C9EAD2DD9}\TypeLib\ = "{3BDFC55C-ED33-43BB-9A77-57C2AF4B56EF}" C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C7798BD6-34AF-4925-B01C-450C9EAD2DD9}\TypeLib\Version = "1.0" C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\IDMIECC.IDMIEHlprObj.1\CLSID C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0055C089-8582-441B-A0BF-17B458C2A3A8}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\554b2043561d118dc0e49ae3d860aaaed5d199cde5f69b65fe9a84cdd6c73760.dll" C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\IDMIECC.IDMHelperLinksStorage C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{436D67E1-2FB3-4A6C-B3CD-FF8A41B0664D}\InprocServer32 C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\IDMIECC.IDMIEHlprObj C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{436D67E1-2FB3-4A6C-B3CD-FF8A41B0664D}\InprocServer32\ThreadingModel = "Apartment" C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{436D67E1-2FB3-4A6C-B3CD-FF8A41B0664D}\TypeLib\ = "{3BDFC55C-ED33-43BB-9A77-57C2AF4B56EF}" C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{436D67E1-2FB3-4A6C-B3CD-FF8A41B0664D}\Programmable C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{98D060EC-53AF-4F61-8180-43C507C9FF94}\ = "IIDMIEHlprObj" C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C7798BD6-34AF-4925-B01C-450C9EAD2DD9}\TypeLib\ = "{3BDFC55C-ED33-43BB-9A77-57C2AF4B56EF}" C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0055C089-8582-441B-A0BF-17B458C2A3A8}\ProgID\ = "IDMIECC.IDMIEHlprObj.1" C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0055C089-8582-441B-A0BF-17B458C2A3A8}\Programmable C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\IDMIECC.IDMHelperLinksStorage.1 C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{436D67E1-2FB3-4A6C-B3CD-FF8A41B0664D}\ = "IDMHelperLinksStorage Class" C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0055C089-8582-441B-A0BF-17B458C2A3A8}\Implemented Categories C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\IDMIECC.IDMIEHlprObj\ = "IDMIEHlprObj Class" C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3BDFC55C-ED33-43BB-9A77-57C2AF4B56EF}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp" C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{98D060EC-53AF-4F61-8180-43C507C9FF94}\ProxyStubClsid32 C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C7798BD6-34AF-4925-B01C-450C9EAD2DD9}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\IDMIECC.IDMIEHlprObj\CLSID\ = "{0055C089-8582-441B-A0BF-17B458C2A3A8}" C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3BDFC55C-ED33-43BB-9A77-57C2AF4B56EF}\1.0 C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3BDFC55C-ED33-43BB-9A77-57C2AF4B56EF}\1.0\0 C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{98D060EC-53AF-4F61-8180-43C507C9FF94}\TypeLib\Version = "1.0" C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{436D67E1-2FB3-4A6C-B3CD-FF8A41B0664D} C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C7798BD6-34AF-4925-B01C-450C9EAD2DD9}\TypeLib C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C7798BD6-34AF-4925-B01C-450C9EAD2DD9}\ = "IIDMHelperLinksStorage" C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\IDMIECC.IDMIEHlprObj.1 C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\IDMIECC.IDMIEHlprObj.1\ = "IDMIEHlprObj Class" C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0055C089-8582-441B-A0BF-17B458C2A3A8} C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0055C089-8582-441B-A0BF-17B458C2A3A8}\TypeLib C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\IDMIECC.IDMHelperLinksStorage.1\ = "IDMHelperLinksStorage Class" C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\IDMIECC.IDMHelperLinksStorage\ = "IDMHelperLinksStorage Class" C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{98D060EC-53AF-4F61-8180-43C507C9FF94}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\IDMIECC.IDMIEHlprObj\CLSID C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0055C089-8582-441B-A0BF-17B458C2A3A8}\ProgID C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0055C089-8582-441B-A0BF-17B458C2A3A8}\VersionIndependentProgID C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0055C089-8582-441B-A0BF-17B458C2A3A8}\VersionIndependentProgID\ = "IDMIECC.IDMIEHlprObj" C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0055C089-8582-441B-A0BF-17B458C2A3A8}\InprocServer32 C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\IDMIECC.IDMHelperLinksStorage.1\CLSID\ = "{436D67E1-2FB3-4A6C-B3CD-FF8A41B0664D}" C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{436D67E1-2FB3-4A6C-B3CD-FF8A41B0664D}\VersionIndependentProgID\ = "IDMIECC.IDMHelperLinksStorage" C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{98D060EC-53AF-4F61-8180-43C507C9FF94}\ = "IIDMIEHlprObj" C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{98D060EC-53AF-4F61-8180-43C507C9FF94} C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{98D060EC-53AF-4F61-8180-43C507C9FF94}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C7798BD6-34AF-4925-B01C-450C9EAD2DD9}\ = "IIDMHelperLinksStorage" C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\IDMIECC.IDMIEHlprObj\CurVer C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\IDMIECC.IDMIEHlprObj\CurVer\ = "IDMIECC.IDMIEHlprObj.1" C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3BDFC55C-ED33-43BB-9A77-57C2AF4B56EF}\1.0\ = "IDMIECC 1.0 Type Library" C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3BDFC55C-ED33-43BB-9A77-57C2AF4B56EF}\1.0\FLAGS C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0055C089-8582-441B-A0BF-17B458C2A3A8}\InprocServer32\ThreadingModel = "Apartment" C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{436D67E1-2FB3-4A6C-B3CD-FF8A41B0664D}\ProgID C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3BDFC55C-ED33-43BB-9A77-57C2AF4B56EF} C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C7798BD6-34AF-4925-B01C-450C9EAD2DD9} C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C7798BD6-34AF-4925-B01C-450C9EAD2DD9}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" C:\Windows\SysWOW64\regsvr32.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\regsvr32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4968 wrote to memory of 4024 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 4968 wrote to memory of 4024 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 4968 wrote to memory of 4024 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe

Processes

C:\Windows\system32\regsvr32.exe

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\554b2043561d118dc0e49ae3d860aaaed5d199cde5f69b65fe9a84cdd6c73760.dll

C:\Windows\SysWOW64\regsvr32.exe

/s C:\Users\Admin\AppData\Local\Temp\554b2043561d118dc0e49ae3d860aaaed5d199cde5f69b65fe9a84cdd6c73760.dll

Network

Country Destination Domain Proto
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 14.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 30.243.111.52.in-addr.arpa udp

Files

C:\Program Files\Common Files\System\symsrv.dll

MD5 7574cf2c64f35161ab1292e2f532aabf
SHA1 14ba3fa927a06224dfe587014299e834def4644f
SHA256 de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085
SHA512 4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

memory/4024-4-0x0000000010000000-0x0000000010030000-memory.dmp

memory/4024-6-0x0000000010000000-0x0000000010030000-memory.dmp