Analysis
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max time kernel
146s -
max time network
147s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
23-11-2022 09:49
Behavioral task
behavioral1
Sample
dd67df06ae2c6c81239557bc8b176b173e1f8e78fb9463512d086a9a0c4a21f6.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
dd67df06ae2c6c81239557bc8b176b173e1f8e78fb9463512d086a9a0c4a21f6.exe
Resource
win10v2004-20220812-en
General
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Target
dd67df06ae2c6c81239557bc8b176b173e1f8e78fb9463512d086a9a0c4a21f6.exe
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Size
91KB
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MD5
63706406a0a243c739f15f4a110bf9f2
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SHA1
ccfbdf558737a37fa0ea21fa2866b245b00bd3f8
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SHA256
dd67df06ae2c6c81239557bc8b176b173e1f8e78fb9463512d086a9a0c4a21f6
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SHA512
93f98f36e57d306903e78e46732db9cdd186fbf2ae7916b4e34ae47c225385d87af4212633260db5cf4326d5d991b1602638bf53cd16d5959ce542e5a38d39bf
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SSDEEP
1536:0Y5QjE9xp1xB18pufIPkzxvWgcYCGbBRcb0WBPB9H7FPXiO5HSnouy8:00r9P1r7wPUO7ShiBl7FfiO5HKout
Malware Config
Signatures
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Processes:
resource yara_rule behavioral1/memory/1980-56-0x0000000000400000-0x0000000000499000-memory.dmp upx behavioral1/memory/1980-67-0x0000000000400000-0x0000000000499000-memory.dmp upx -
Loads dropped DLL 2 IoCs
Processes:
regsvr32.exedd67df06ae2c6c81239557bc8b176b173e1f8e78fb9463512d086a9a0c4a21f6.exepid process 1452 regsvr32.exe 1980 dd67df06ae2c6c81239557bc8b176b173e1f8e78fb9463512d086a9a0c4a21f6.exe -
Drops file in System32 directory 1 IoCs
Processes:
dd67df06ae2c6c81239557bc8b176b173e1f8e78fb9463512d086a9a0c4a21f6.exedescription ioc process File opened for modification C:\Windows\SysWOW64\MSWINSCK.OCX dd67df06ae2c6c81239557bc8b176b173e1f8e78fb9463512d086a9a0c4a21f6.exe -
Launches sc.exe 2 IoCs
Sc.exe is a Windows utlilty to control services on the system.
Processes:
sc.exesc.exepid process 1080 sc.exe 1408 sc.exe -
Modifies registry class 64 IoCs
Processes:
regsvr32.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{248DD892-BB45-11CF-9ABC-0080C7E7B78D}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{248DD893-BB45-11CF-9ABC-0080C7E7B78D}\TypeLib\ = "{248DD890-BB45-11CF-9ABC-0080C7E7B78D}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{248DD893-BB45-11CF-9ABC-0080C7E7B78D}\TypeLib\Version = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{248DD896-BB45-11CF-9ABC-0080C7E7B78D}\Implemented Categories regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{248DD896-BB45-11CF-9ABC-0080C7E7B78D}\Implemented Categories\{0DE86A53-2BAA-11CF-A229-00AA003D7352} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{248DD890-BB45-11CF-9ABC-0080C7E7B78D}\1.0\FLAGS\ = "2" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{248DD892-BB45-11CF-9ABC-0080C7E7B78D}\ = "IMSWinsockControl" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{248DD896-BB45-11CF-9ABC-0080C7E7B78D}\Version regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{248DD890-BB45-11CF-9ABC-0080C7E7B78D}\1.0\ = "Microsoft Winsock Control 6.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{248DD892-BB45-11CF-9ABC-0080C7E7B78D}\TypeLib\ = "{248DD890-BB45-11CF-9ABC-0080C7E7B78D}" regsvr32.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{248DD896-BB45-11CF-9ABC-0080C7E7B78D} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\MSWinsock.Winsock\CurVer\ = "MSWinsock.Winsock.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{248DD896-BB45-11CF-9ABC-0080C7E7B78D}\ProgID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{248DD896-BB45-11CF-9ABC-0080C7E7B78D}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{248DD896-BB45-11CF-9ABC-0080C7E7B78D}\MiscStatus\1\ = "132497" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{248DD896-BB45-11CF-9ABC-0080C7E7B78D}\Implemented Categories\{0DE86A52-2BAA-11CF-A229-00AA003D7352} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{248DD890-BB45-11CF-9ABC-0080C7E7B78D} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{248DD890-BB45-11CF-9ABC-0080C7E7B78D}\1.0\0\win32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{248DD896-BB45-11CF-9ABC-0080C7E7B78D}\InprocServer32\ = "C:\\Windows\\SysWow64\\MSWINSCK.OCX" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\MSWinsock.Winsock.1\CLSID\ = "{248DD896-BB45-11CF-9ABC-0080C7E7B78D}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{248DD896-BB45-11CF-9ABC-0080C7E7B78D}\VersionIndependentProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{248DD896-BB45-11CF-9ABC-0080C7E7B78D}\TypeLib\ = "{248DD890-BB45-11CF-9ABC-0080C7E7B78D}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{248DD892-BB45-11CF-9ABC-0080C7E7B78D}\TypeLib\Version = "1.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{248DD892-BB45-11CF-9ABC-0080C7E7B78D}\TypeLib\Version = "1.0" regsvr32.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{248DD897-BB45-11CF-9ABC-0080C7E7B78D} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{248DD892-BB45-11CF-9ABC-0080C7E7B78D}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{248DD890-BB45-11CF-9ABC-0080C7E7B78D}\1.0 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{248DD893-BB45-11CF-9ABC-0080C7E7B78D}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{248DD893-BB45-11CF-9ABC-0080C7E7B78D}\ = "DMSWinsockControlEvents" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{248DD897-BB45-11CF-9ABC-0080C7E7B78D}\InprocServer32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{248DD890-BB45-11CF-9ABC-0080C7E7B78D}\1.0\FLAGS regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{248DD890-BB45-11CF-9ABC-0080C7E7B78D}\1.0\HELPDIR\ regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{248DD893-BB45-11CF-9ABC-0080C7E7B78D}\TypeLib\Version = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\MSWinsock.Winsock.1 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{248DD896-BB45-11CF-9ABC-0080C7E7B78D}\MiscStatus regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{248DD896-BB45-11CF-9ABC-0080C7E7B78D}\MiscStatus\1 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{248DD896-BB45-11CF-9ABC-0080C7E7B78D}\ToolboxBitmap32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{248DD893-BB45-11CF-9ABC-0080C7E7B78D}\ = "DMSWinsockControlEvents" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{248DD893-BB45-11CF-9ABC-0080C7E7B78D}\TypeLib\ = "{248DD890-BB45-11CF-9ABC-0080C7E7B78D}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\MSWinsock.Winsock\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{248DD896-BB45-11CF-9ABC-0080C7E7B78D}\Programmable regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{248DD897-BB45-11CF-9ABC-0080C7E7B78D} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{248DD892-BB45-11CF-9ABC-0080C7E7B78D}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{248DD896-BB45-11CF-9ABC-0080C7E7B78D}\Implemented Categories\{40FC6ED5-2438-11CF-A3DB-080036F12502} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{248DD896-BB45-11CF-9ABC-0080C7E7B78D}\Implemented Categories\{0DE86A57-2BAA-11CF-A229-00AA003D7352} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{248DD890-BB45-11CF-9ABC-0080C7E7B78D}\1.0\HELPDIR regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{248DD892-BB45-11CF-9ABC-0080C7E7B78D}\TypeLib\ = "{248DD890-BB45-11CF-9ABC-0080C7E7B78D}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{248DD893-BB45-11CF-9ABC-0080C7E7B78D} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{248DD896-BB45-11CF-9ABC-0080C7E7B78D}\Control regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{248DD892-BB45-11CF-9ABC-0080C7E7B78D} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{248DD892-BB45-11CF-9ABC-0080C7E7B78D} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{248DD892-BB45-11CF-9ABC-0080C7E7B78D}\ = "IMSWinsockControl" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{248DD897-BB45-11CF-9ABC-0080C7E7B78D}\InprocServer32\ = "C:\\Windows\\SysWow64\\MSWINSCK.OCX" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{248DD890-BB45-11CF-9ABC-0080C7E7B78D}\1.0\0\win32\ = "C:\\Windows\\SysWow64\\MSWINSCK.OCX" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{248DD892-BB45-11CF-9ABC-0080C7E7B78D}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{248DD896-BB45-11CF-9ABC-0080C7E7B78D}\ = "Microsoft WinSock Control, version 6.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{248DD896-BB45-11CF-9ABC-0080C7E7B78D}\ProgID\ = "MSWinsock.Winsock.1" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{248DD896-BB45-11CF-9ABC-0080C7E7B78D}\ToolboxBitmap32\ = "C:\\Windows\\SysWow64\\MSWINSCK.OCX, 1" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{248DD897-BB45-11CF-9ABC-0080C7E7B78D}\ = "Winsock General Property Page Object" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{248DD896-BB45-11CF-9ABC-0080C7E7B78D}\InprocServer32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\MSWinsock.Winsock.1\CLSID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{248DD896-BB45-11CF-9ABC-0080C7E7B78D}\Version\ = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{248DD893-BB45-11CF-9ABC-0080C7E7B78D} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{248DD893-BB45-11CF-9ABC-0080C7E7B78D}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}" regsvr32.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
dd67df06ae2c6c81239557bc8b176b173e1f8e78fb9463512d086a9a0c4a21f6.exepid process 1980 dd67df06ae2c6c81239557bc8b176b173e1f8e78fb9463512d086a9a0c4a21f6.exe -
Suspicious use of WriteProcessMemory 23 IoCs
Processes:
dd67df06ae2c6c81239557bc8b176b173e1f8e78fb9463512d086a9a0c4a21f6.execmd.exedescription pid process target process PID 1980 wrote to memory of 1452 1980 dd67df06ae2c6c81239557bc8b176b173e1f8e78fb9463512d086a9a0c4a21f6.exe regsvr32.exe PID 1980 wrote to memory of 1452 1980 dd67df06ae2c6c81239557bc8b176b173e1f8e78fb9463512d086a9a0c4a21f6.exe regsvr32.exe PID 1980 wrote to memory of 1452 1980 dd67df06ae2c6c81239557bc8b176b173e1f8e78fb9463512d086a9a0c4a21f6.exe regsvr32.exe PID 1980 wrote to memory of 1452 1980 dd67df06ae2c6c81239557bc8b176b173e1f8e78fb9463512d086a9a0c4a21f6.exe regsvr32.exe PID 1980 wrote to memory of 1452 1980 dd67df06ae2c6c81239557bc8b176b173e1f8e78fb9463512d086a9a0c4a21f6.exe regsvr32.exe PID 1980 wrote to memory of 1452 1980 dd67df06ae2c6c81239557bc8b176b173e1f8e78fb9463512d086a9a0c4a21f6.exe regsvr32.exe PID 1980 wrote to memory of 1452 1980 dd67df06ae2c6c81239557bc8b176b173e1f8e78fb9463512d086a9a0c4a21f6.exe regsvr32.exe PID 1980 wrote to memory of 940 1980 dd67df06ae2c6c81239557bc8b176b173e1f8e78fb9463512d086a9a0c4a21f6.exe cmd.exe PID 1980 wrote to memory of 940 1980 dd67df06ae2c6c81239557bc8b176b173e1f8e78fb9463512d086a9a0c4a21f6.exe cmd.exe PID 1980 wrote to memory of 940 1980 dd67df06ae2c6c81239557bc8b176b173e1f8e78fb9463512d086a9a0c4a21f6.exe cmd.exe PID 1980 wrote to memory of 940 1980 dd67df06ae2c6c81239557bc8b176b173e1f8e78fb9463512d086a9a0c4a21f6.exe cmd.exe PID 940 wrote to memory of 1076 940 cmd.exe cacls.exe PID 940 wrote to memory of 1076 940 cmd.exe cacls.exe PID 940 wrote to memory of 1076 940 cmd.exe cacls.exe PID 940 wrote to memory of 1076 940 cmd.exe cacls.exe PID 1980 wrote to memory of 1080 1980 dd67df06ae2c6c81239557bc8b176b173e1f8e78fb9463512d086a9a0c4a21f6.exe sc.exe PID 1980 wrote to memory of 1080 1980 dd67df06ae2c6c81239557bc8b176b173e1f8e78fb9463512d086a9a0c4a21f6.exe sc.exe PID 1980 wrote to memory of 1080 1980 dd67df06ae2c6c81239557bc8b176b173e1f8e78fb9463512d086a9a0c4a21f6.exe sc.exe PID 1980 wrote to memory of 1080 1980 dd67df06ae2c6c81239557bc8b176b173e1f8e78fb9463512d086a9a0c4a21f6.exe sc.exe PID 1980 wrote to memory of 1408 1980 dd67df06ae2c6c81239557bc8b176b173e1f8e78fb9463512d086a9a0c4a21f6.exe sc.exe PID 1980 wrote to memory of 1408 1980 dd67df06ae2c6c81239557bc8b176b173e1f8e78fb9463512d086a9a0c4a21f6.exe sc.exe PID 1980 wrote to memory of 1408 1980 dd67df06ae2c6c81239557bc8b176b173e1f8e78fb9463512d086a9a0c4a21f6.exe sc.exe PID 1980 wrote to memory of 1408 1980 dd67df06ae2c6c81239557bc8b176b173e1f8e78fb9463512d086a9a0c4a21f6.exe sc.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\dd67df06ae2c6c81239557bc8b176b173e1f8e78fb9463512d086a9a0c4a21f6.exe"C:\Users\Admin\AppData\Local\Temp\dd67df06ae2c6c81239557bc8b176b173e1f8e78fb9463512d086a9a0c4a21f6.exe"1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1980 -
C:\Windows\SysWOW64\regsvr32.exeregsvr32 /s "C:\Windows\system32\MSWINSCK.OCX"2⤵
- Loads dropped DLL
- Modifies registry class
PID:1452 -
C:\Windows\SysWOW64\cmd.execmd /c cacls "C:\Program Files (x86)\E-yoo\EyooSechelper2.dll" /e /d everyone2⤵
- Suspicious use of WriteProcessMemory
PID:940 -
C:\Windows\SysWOW64\cacls.execacls "C:\Program Files (x86)\E-yoo\EyooSechelper2.dll" /e /d everyone3⤵PID:1076
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C:\Windows\SysWOW64\sc.exesc config winmgmt start= demand2⤵
- Launches sc.exe
PID:1080 -
C:\Windows\SysWOW64\sc.exesc start winmgmt2⤵
- Launches sc.exe
PID:1408
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
105KB
MD59484c04258830aa3c2f2a70eb041414c
SHA1b242a4fb0e9dcf14cb51dc36027baff9a79cb823
SHA256bf7e47c16d7e1c0e88534f4ef95e09d0fd821ed1a06b0d95a389b35364b63ff5
SHA5129d0e9f0d88594746ba41ea4a61a53498619eda596e12d8ec37d01cfe8ceb08be13e3727c83d630a6d9e6d03066f62444bb94ea5a0d2ed9d21a270e612db532a0
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Filesize
105KB
MD59484c04258830aa3c2f2a70eb041414c
SHA1b242a4fb0e9dcf14cb51dc36027baff9a79cb823
SHA256bf7e47c16d7e1c0e88534f4ef95e09d0fd821ed1a06b0d95a389b35364b63ff5
SHA5129d0e9f0d88594746ba41ea4a61a53498619eda596e12d8ec37d01cfe8ceb08be13e3727c83d630a6d9e6d03066f62444bb94ea5a0d2ed9d21a270e612db532a0
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Filesize
105KB
MD59484c04258830aa3c2f2a70eb041414c
SHA1b242a4fb0e9dcf14cb51dc36027baff9a79cb823
SHA256bf7e47c16d7e1c0e88534f4ef95e09d0fd821ed1a06b0d95a389b35364b63ff5
SHA5129d0e9f0d88594746ba41ea4a61a53498619eda596e12d8ec37d01cfe8ceb08be13e3727c83d630a6d9e6d03066f62444bb94ea5a0d2ed9d21a270e612db532a0