b7f2dddd27a7118f6f6cc3923f2af1f83ca5b8ea722ea05f6b27845469899c67

General

Target

files.07.20.doc
Size

113KB
MD5

92a40c2f9e0bf1e05363dda2f4e69d02
SHA1

7237b18aef7d35c08ebc46be5399f35d2f745ab5
SHA256

b7f2dddd27a7118f6f6cc3923f2af1f83ca5b8ea722ea05f6b27845469899c67
SHA512

f9146ddc08cf85c510bda54c8996b8f3d74ab7b92ade0b5d160094b561eb4b2a93e149aa336bdfb2bc10a814583e466e82d2ae253489fe21c5bee7e960b9e353

Score

10^/10

discovery

Malware Config

Signatures

Modifies registry class 280 IoCs

Processes:

WINWORD.EXE

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-910373003-3952921535-3480519689-1000_CLASSES\Wow6432Node\Interface\{8BD21D43-EC42-11CE-9E0D-00AA006002F3}	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-910373003-3952921535-3480519689-1000_CLASSES\Wow6432Node\Interface\{5512D123-5CC6-11CF-8D67-00AA00BDCE1D}\ = "IWHTMLSelect"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-910373003-3952921535-3480519689-1000_CLASSES\Wow6432Node	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-910373003-3952921535-3480519689-1000_CLASSES\Wow6432Node\Interface\{04598FC7-866C-11CF-AB7C-00AA00C08FCF}\ = "Controls"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-910373003-3952921535-3480519689-1000_CLASSES\Interface\{CF3F94A0-F546-11CE-9BCE-00AA00608E01}	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-910373003-3952921535-3480519689-1000_CLASSES\Wow6432Node\Interface\{92E11A03-7358-11CE-80CB-00AA00611080}\ = "Pages"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-910373003-3952921535-3480519689-1000_CLASSES\Wow6432Node\Interface\{8A683C91-BA84-11CF-8110-00A0C9030074}	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-910373003-3952921535-3480519689-1000_CLASSES\Wow6432Node\Interface\{CF3F94A0-F546-11CE-9BCE-00AA00608E01}	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-910373003-3952921535-3480519689-1000_CLASSES\Wow6432Node\Interface\{8BD21D53-EC42-11CE-9E0D-00AA006002F3}	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-910373003-3952921535-3480519689-1000_CLASSES\Wow6432Node\Interface\{7B020EC2-AF6C-11CE-9F46-00AA00574A4F}\ = "ScrollbarEvents"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-910373003-3952921535-3480519689-1000_CLASSES\Interface\{82B02372-B5BC-11CF-810F-00A0C9030074}	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-910373003-3952921535-3480519689-1000_CLASSES\Wow6432Node\Interface\{04598FC4-866C-11CF-AB7C-00AA00C08FCF}	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-910373003-3952921535-3480519689-1000_CLASSES\Interface\{5512D11D-5CC6-11CF-8D67-00AA00BDCE1D}	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-910373003-3952921535-3480519689-1000_CLASSES\Interface\{8BD21D52-EC42-11CE-9E0D-00AA006002F3}	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-910373003-3952921535-3480519689-1000_CLASSES\Wow6432Node\Interface\{4C5992A5-6926-101B-9992-00000B65C6F9}	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-910373003-3952921535-3480519689-1000_CLASSES\Wow6432Node\Interface\{47FF8FE9-6198-11CF-8CE8-00AA006CB389}\ = "WHTMLControlEvents10"	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-910373003-3952921535-3480519689-1000_CLASSES\Interface\{04598FC8-866C-11CF-AB7C-00AA00C08FCF}\ = "_UserForm"	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-910373003-3952921535-3480519689-1000_CLASSES\Interface\{47FF8FE8-6198-11CF-8CE8-00AA006CB389}\ = "WHTMLControlEvents9"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-910373003-3952921535-3480519689-1000_CLASSES\Interface\{5512D117-5CC6-11CF-8D67-00AA00BDCE1D}	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-910373003-3952921535-3480519689-1000_CLASSES\Interface\{04598FC6-866C-11CF-AB7C-00AA00C08FCF}	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-910373003-3952921535-3480519689-1000_CLASSES\Interface\{04598FC6-866C-11CF-AB7C-00AA00C08FCF}\ = "IControl"	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-910373003-3952921535-3480519689-1000_CLASSES\Interface\{5B9D8FC8-4A71-101B-97A6-00000B65C08B}\ = "FormEvents"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-910373003-3952921535-3480519689-1000_CLASSES\Interface\{5512D115-5CC6-11CF-8D67-00AA00BDCE1D}	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-910373003-3952921535-3480519689-1000_CLASSES\Wow6432Node\Interface\{5512D117-5CC6-11CF-8D67-00AA00BDCE1D}\ = "IWHTMLCheckbox"	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-910373003-3952921535-3480519689-1000_CLASSES\Interface\{5CEF5613-713D-11CE-80C9-00AA00611080}\ = "IPage"	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-910373003-3952921535-3480519689-1000_CLASSES\Wow6432Node\Interface\{8A683C91-BA84-11CF-8110-00A0C9030074}\ = "IReturnEffect"	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-910373003-3952921535-3480519689-1000_CLASSES\Interface\{9A4BBF53-4E46-101B-8BBD-00AA003E3B29}\ = "ControlEvents"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-910373003-3952921535-3480519689-1000_CLASSES\Wow6432Node\Interface\{9A4BBF53-4E46-101B-8BBD-00AA003E3B29}	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-910373003-3952921535-3480519689-1000_CLASSES\Interface\{04598FC1-866C-11CF-AB7C-00AA00C08FCF}	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-910373003-3952921535-3480519689-1000_CLASSES\Wow6432Node\Interface\{04598FC4-866C-11CF-AB7C-00AA00C08FCF}\ = "ICommandButton"	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-910373003-3952921535-3480519689-1000_CLASSES\Wow6432Node\Interface\{4C5992A5-6926-101B-9992-00000B65C6F9}\ = "ImageEvents"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{7AB890E0-CE1D-4C17-B36A-17063573FA8B}\2.0\FLAGS	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-910373003-3952921535-3480519689-1000_CLASSES\Interface\{04598FC2-866C-11CF-AB7C-00AA00C08FCF}\ = "ITabStrip"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-910373003-3952921535-3480519689-1000_CLASSES\Interface\{978C9E22-D4B0-11CE-BF2D-00AA003F40D0}	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-910373003-3952921535-3480519689-1000_CLASSES\Interface\{8BD21D62-EC42-11CE-9E0D-00AA006002F3}	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-910373003-3952921535-3480519689-1000_CLASSES\Interface\{04598FC9-866C-11CF-AB7C-00AA00C08FCF}	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-910373003-3952921535-3480519689-1000_CLASSES\Wow6432Node\Interface	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-910373003-3952921535-3480519689-1000_CLASSES\Wow6432Node\Interface\{8BD21D23-EC42-11CE-9E0D-00AA006002F3}\ = "IMdcList"	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-910373003-3952921535-3480519689-1000_CLASSES\Interface\{8BD21D53-EC42-11CE-9E0D-00AA006002F3}\ = "IMdcOptionButton"	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-910373003-3952921535-3480519689-1000_CLASSES\Interface\{47FF8FE6-6198-11CF-8CE8-00AA006CB389}\ = "WHTMLControlEvents7"	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-910373003-3952921535-3480519689-1000_CLASSES\Wow6432Node\Interface\{47FF8FE6-6198-11CF-8CE8-00AA006CB389}\ = "WHTMLControlEvents7"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-910373003-3952921535-3480519689-1000_CLASSES\Wow6432Node\Interface\{5CEF5613-713D-11CE-80C9-00AA00611080}	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-910373003-3952921535-3480519689-1000_CLASSES\Interface\{92E11A03-7358-11CE-80CB-00AA00611080}	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-910373003-3952921535-3480519689-1000_CLASSES\Wow6432Node\Interface\{82B02372-B5BC-11CF-810F-00A0C9030074}	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-910373003-3952921535-3480519689-1000_CLASSES\Interface\{8BD21D42-EC42-11CE-9E0D-00AA006002F3}\ = "MdcCheckBoxEvents"	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-910373003-3952921535-3480519689-1000_CLASSES\Interface\{8BD21D52-EC42-11CE-9E0D-00AA006002F3}\ = "MdcOptionButtonEvents"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-910373003-3952921535-3480519689-1000_CLASSES\Interface\{79176FB2-B7F2-11CE-97EF-00AA006D2776}	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-910373003-3952921535-3480519689-1000_CLASSES\Interface\{8BD21D32-EC42-11CE-9E0D-00AA006002F3}\ = "MdcComboEvents"	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-910373003-3952921535-3480519689-1000_CLASSES\Wow6432Node\Interface\{8BD21D13-EC42-11CE-9E0D-00AA006002F3}\ = "IMdcText"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-910373003-3952921535-3480519689-1000_CLASSES\Wow6432Node\Interface\{8BD21D33-EC42-11CE-9E0D-00AA006002F3}	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-910373003-3952921535-3480519689-1000_CLASSES\Interface\{8BD21D63-EC42-11CE-9E0D-00AA006002F3}	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-910373003-3952921535-3480519689-1000_CLASSES\Wow6432Node\Interface\{79176FB3-B7F2-11CE-97EF-00AA006D2776}\ = "ISpinbutton"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-910373003-3952921535-3480519689-1000_CLASSES\Wow6432Node\Interface\{5512D11B-5CC6-11CF-8D67-00AA00BDCE1D}	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-910373003-3952921535-3480519689-1000_CLASSES\Wow6432Node\Interface\{7B020EC2-AF6C-11CE-9F46-00AA00574A4F}	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-910373003-3952921535-3480519689-1000_CLASSES\Interface\{29B86A70-F52E-11CE-9BCE-00AA00608E01}\ = "IOptionFrame"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-910373003-3952921535-3480519689-1000_CLASSES\Interface\{BEF6E003-A874-101A-8BBA-00AA00300CAB}	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-910373003-3952921535-3480519689-1000_CLASSES\Interface\{82B02371-B5BC-11CF-810F-00A0C9030074}\ = "IReturnBoolean"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-910373003-3952921535-3480519689-1000_CLASSES\Interface\{5512D113-5CC6-11CF-8D67-00AA00BDCE1D}	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-910373003-3952921535-3480519689-1000_CLASSES\Wow6432Node\Interface\{5512D11D-5CC6-11CF-8D67-00AA00BDCE1D}\ = "IWHTMLHidden"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-910373003-3952921535-3480519689-1000_CLASSES\Interface\{5512D11F-5CC6-11CF-8D67-00AA00BDCE1D}	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{7AB890E0-CE1D-4C17-B36A-17063573FA8B}\2.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\VBE\\MSForms.exd"	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-910373003-3952921535-3480519689-1000_CLASSES\Interface\{CF3F94A0-F546-11CE-9BCE-00AA00608E01}\ = "OptionFrameEvents"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-910373003-3952921535-3480519689-1000_CLASSES\Interface\{8BD21D23-EC42-11CE-9E0D-00AA006002F3}	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-910373003-3952921535-3480519689-1000_CLASSES\Interface\{5512D11F-5CC6-11CF-8D67-00AA00BDCE1D}\ = "IWHTMLPassword"	WINWORD.EXE

Modifies system certificate store 2 TTPs 3 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

Processes:

regsvr32.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25	regsvr32.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25\Blob = 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	regsvr32.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25\Blob = 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	regsvr32.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

WINWORD.EXE

pid process

1536 WINWORD.EXE

Suspicious use of SetWindowsHookEx 16 IoCs

Processes:

WINWORD.EXE

pid	process
1536	WINWORD.EXE
1536	WINWORD.EXE
1536	WINWORD.EXE
1536	WINWORD.EXE
1536	WINWORD.EXE
1536	WINWORD.EXE
1536	WINWORD.EXE
1536	WINWORD.EXE
1536	WINWORD.EXE
1536	WINWORD.EXE
1536	WINWORD.EXE
1536	WINWORD.EXE
1536	WINWORD.EXE
1536	WINWORD.EXE
1536	WINWORD.EXE
1536	WINWORD.EXE

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

WINWORD.EXEregsvr32.exe

description	pid	process	target process
PID 1536 wrote to memory of 580	1536	WINWORD.EXE	regsvr32.exe
PID 1536 wrote to memory of 580	1536	WINWORD.EXE	regsvr32.exe
PID 1536 wrote to memory of 580	1536	WINWORD.EXE	regsvr32.exe
PID 1536 wrote to memory of 580	1536	WINWORD.EXE	regsvr32.exe
PID 1536 wrote to memory of 580	1536	WINWORD.EXE	regsvr32.exe
PID 580 wrote to memory of 1284	580	regsvr32.exe	regsvr32.exe
PID 580 wrote to memory of 1284	580	regsvr32.exe	regsvr32.exe
PID 580 wrote to memory of 1284	580	regsvr32.exe	regsvr32.exe
PID 580 wrote to memory of 1284	580	regsvr32.exe	regsvr32.exe
PID 580 wrote to memory of 1284	580	regsvr32.exe	regsvr32.exe
PID 580 wrote to memory of 1284	580	regsvr32.exe	regsvr32.exe
PID 580 wrote to memory of 1284	580	regsvr32.exe	regsvr32.exe

Loads dropped DLL 1 IoCs

Processes:

regsvr32.exe

pid process

1284 regsvr32.exe

pid	process
1284	regsvr32.exe

Process spawned unexpected child process 1 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

Processes:

regsvr32.exe

description	pid	pid_target	process	target process
Parent C:\Program Files\Microsoft Office\Office14\WINWORD.EXE is not expected to spawn this process	580	1536	regsvr32.exe	WINWORD.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

regsvr32.exe

pid process

1284 regsvr32.exe
1284 regsvr32.exe
Office loads VBA resources, possible macro or embedded object present
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

pid	process
1284	regsvr32.exe
1284	regsvr32.exe

C:\Program Files\Microsoft Office\Office14\WINWORD.EXE
"C:\Program Files\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\files.07.20.doc"
1⤵
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1536

C:\Windows\system32\regsvr32.exe
regsvr32 nl.tmp
2⤵
- Suspicious use of WriteProcessMemory
- Process spawned unexpected child process
PID:580

C:\Windows\SysWOW64\regsvr32.exe
nl.tmp
3⤵
- Modifies system certificate store
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
PID:1284

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Install Root Certificate

1

T1130

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\nl.tmp

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\Users\Admin\AppData\Local\Temp\nl.tmp

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memory/580-4-0x0000000000000000-mapping.dmp

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memory/1284-6-0x0000000000000000-mapping.dmp

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memory/1536-1-0x0000000007830000-0x0000000007834000-memory.dmp

Filesize
16KB

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memory/1536-3-0x0000000006F00000-0x0000000007100000-memory.dmp

Filesize
2.0MB

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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