ef385ed64f795e106d17c0a53dfb398f774a555a9e287714d327bf3987364c1b

General

Target

ef385ed64f795e106d17c0a53dfb398f774a555a9e287714d327bf3987364c1b.xls
Size

1.5MB
MD5

72e371542ad6fda96bb3fc3b1ee68d92
SHA1

3f37ca0db6442743e34768e44450752637930523
SHA256

ef385ed64f795e106d17c0a53dfb398f774a555a9e287714d327bf3987364c1b
SHA512

1e39b831c912f38297c75e30a89583998a4c27ada484bab58c8e91a0248550152ee29f2e79f5f9a8266e0864d17fdc0cfcf6b9cf62787ca3744dc3bd33bb68ec
SSDEEP

24576:RLcW759A2A0gNbth/2cFdT7My+fg9V5cT:qWVe2hg9X/7dT7MJ45

Score

5^/10

Malware Config

Signatures

Drops file in System32 directory 2 IoCs

Processes:

EXCEL.EXE

description	ioc	process
File created	C:\Windows\System32\spool\drivers\coR]Q€U6»fr£`	EXCEL.EXE
File opened for modification	C:\Windows\System32\spool\drivers\coR]Q€U6»fr£`	EXCEL.EXE

Office loads VBA resources, possible macro or embedded object present
Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry
T1012

System Information Discovery
T1082

Processes:

EXCEL.EXE

description ioc process

Key opened \REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor EXCEL.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor	EXCEL.EXE

Modifies Internet Explorer settings 1 TTPs 9 IoCs

adware spyware

Modify Registry

T1112

Processes:

EXCEL.EXE

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\MenuExt	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	EXCEL.EXE

Modifies registry class 64 IoCs

Processes:

EXCEL.EXE

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\Interface\{9A4BBF53-4E46-101B-8BBD-00AA003E3B29}\ = "ControlEvents"	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\Wow6432Node\Interface\{8BD21D33-EC42-11CE-9E0D-00AA006002F3}\ = "IMdcCombo"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\Interface\{5512D117-5CC6-11CF-8D67-00AA00BDCE1D}	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\Wow6432Node\Interface\{8BD21D32-EC42-11CE-9E0D-00AA006002F3}\ = "MdcComboEvents"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\Interface\{8BD21D12-EC42-11CE-9E0D-00AA006002F3}	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\Wow6432Node\Interface\{7B020EC7-AF6C-11CE-9F46-00AA00574A4F}\ = "TabStripEvents"	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{52F73468-E052-41B2-A5CA-38188FEC2AFF}\2.0\HELPDIR	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\Wow6432Node\Interface\{BEF6E003-A874-101A-8BBA-00AA00300CAB}	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\Wow6432Node\Interface\{29B86A70-F52E-11CE-9BCE-00AA00608E01}	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\Interface\{5B9D8FC8-4A71-101B-97A6-00000B65C08B}	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\Interface\{5512D11D-5CC6-11CF-8D67-00AA00BDCE1D}\ = "IWHTMLHidden"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\TypeLib\{52F73468-E052-41B2-A5CA-38188FEC2AFF}\2.0	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\Interface\{944ACF93-A1E6-11CE-8104-00AA00611080}	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\Interface\{04598FC2-866C-11CF-AB7C-00AA00C08FCF}\ = "ITabStrip"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\Interface\{5512D11D-5CC6-11CF-8D67-00AA00BDCE1D}	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\Wow6432Node\Interface\{978C9E22-D4B0-11CE-BF2D-00AA003F40D0}\ = "LabelControlEvents"	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{52F73468-E052-41B2-A5CA-38188FEC2AFF}	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\Wow6432Node\Interface\{8BD21D13-EC42-11CE-9E0D-00AA006002F3}	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\Interface\{EC72F590-F375-11CE-B9E8-00AA006B1A69}	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\Interface\{04598FC8-866C-11CF-AB7C-00AA00C08FCF}\ = "_UserForm"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\Interface\{8BD21D63-EC42-11CE-9E0D-00AA006002F3}	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\Interface\{5512D11B-5CC6-11CF-8D67-00AA00BDCE1D}\ = "IWHTMLText"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\Interface\{7B020EC2-AF6C-11CE-9F46-00AA00574A4F}	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\Wow6432Node\Interface\{47FF8FE1-6198-11CF-8CE8-00AA006CB389}\ = "WHTMLControlEvents2"	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\Wow6432Node\Interface\{CF3F94A0-F546-11CE-9BCE-00AA00608E01}\ = "OptionFrameEvents"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\Interface\{8BD21D52-EC42-11CE-9E0D-00AA006002F3}	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\Wow6432Node\Interface\{92E11A03-7358-11CE-80CB-00AA00611080}	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\Interface\{04598FC9-866C-11CF-AB7C-00AA00C08FCF}\ = "IMultiPage"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\Interface\{8BD21D13-EC42-11CE-9E0D-00AA006002F3}	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\Interface\{7B020EC2-AF6C-11CE-9F46-00AA00574A4F}\ = "ScrollbarEvents"	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\Wow6432Node\Interface\{796ED650-5FE9-11CF-8D68-00AA00BDCE1D}\ = "WHTMLControlEvents"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\Wow6432Node\Interface\{47FF8FE5-6198-11CF-8CE8-00AA006CB389}	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\Wow6432Node\Interface	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\Wow6432Node\Interface\{EC72F590-F375-11CE-B9E8-00AA006B1A69}	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\Interface\{8A683C91-BA84-11CF-8110-00A0C9030074}	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\Interface\{79176FB3-B7F2-11CE-97EF-00AA006D2776}\ = "ISpinbutton"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\Wow6432Node\Interface\{5512D119-5CC6-11CF-8D67-00AA00BDCE1D}	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\Interface\{8BD21D22-EC42-11CE-9E0D-00AA006002F3}	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\Interface\{92E11A03-7358-11CE-80CB-00AA00611080}	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\Wow6432Node\Interface\{82B02372-B5BC-11CF-810F-00A0C9030074}	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\Wow6432Node\Interface\{5512D123-5CC6-11CF-8D67-00AA00BDCE1D}\ = "IWHTMLSelect"	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\Interface\{47FF8FE0-6198-11CF-8CE8-00AA006CB389}\ = "WHTMLControlEvents1"	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\Wow6432Node\Interface\{BEF6E003-A874-101A-8BBA-00AA00300CAB}\ = "Font"	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\Interface\{04598FC7-866C-11CF-AB7C-00AA00C08FCF}\ = "Controls"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\Interface\{8BD21D23-EC42-11CE-9E0D-00AA006002F3}	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\Wow6432Node\Interface\{29B86A70-F52E-11CE-9BCE-00AA00608E01}\ = "IOptionFrame"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\Wow6432Node\Interface\{79176FB2-B7F2-11CE-97EF-00AA006D2776}	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\Wow6432Node\Interface\{5CEF5613-713D-11CE-80C9-00AA00611080}	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\Wow6432Node\Interface\{5B9D8FC8-4A71-101B-97A6-00000B65C08B}\ = "FormEvents"	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\Interface\{5512D113-5CC6-11CF-8D67-00AA00BDCE1D}\ = "IWHTMLImage"	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\Interface\{5512D115-5CC6-11CF-8D67-00AA00BDCE1D}\ = "IWHTMLReset"	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\Wow6432Node\Interface\{8BD21D52-EC42-11CE-9E0D-00AA006002F3}\ = "MdcOptionButtonEvents"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\Interface\{47FF8FE3-6198-11CF-8CE8-00AA006CB389}	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\Wow6432Node\Interface\{9A4BBF53-4E46-101B-8BBD-00AA003E3B29}	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\Wow6432Node\Interface\{79176FB2-B7F2-11CE-97EF-00AA006D2776}\ = "SpinbuttonEvents"	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\TypeLib\{52F73468-E052-41B2-A5CA-38188FEC2AFF}\2.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Excel8.0"	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\Interface\{EC72F590-F375-11CE-B9E8-00AA006B1A69}\ = "IDataAutoWrapper"	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\Interface\{82B02370-B5BC-11CF-810F-00A0C9030074}\ = "IReturnInteger"	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\Interface\{82B02372-B5BC-11CF-810F-00A0C9030074}\ = "IReturnString"	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\Interface\{8A683C90-BA84-11CF-8110-00A0C9030074}\ = "IReturnSingle"	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\Wow6432Node\Interface\{8BD21D13-EC42-11CE-9E0D-00AA006002F3}\ = "IMdcText"	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\Wow6432Node\Interface\{A38BFFC3-A5A0-11CE-8107-00AA00611080}\ = "Tab"	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\Wow6432Node\Interface\{944ACF93-A1E6-11CE-8104-00AA00611080}\ = "Tabs"	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\Interface\{5512D11F-5CC6-11CF-8D67-00AA00BDCE1D}\ = "IWHTMLPassword"	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

2872 EXCEL.EXE
Suspicious use of SetWindowsHookEx 7 IoCs

Processes:

EXCEL.EXE

pid process

2872 EXCEL.EXE
2872 EXCEL.EXE
2872 EXCEL.EXE
2872 EXCEL.EXE
2872 EXCEL.EXE
2872 EXCEL.EXE
2872 EXCEL.EXE

pid	process
2872	EXCEL.EXE

pid	process
2872	EXCEL.EXE
2872	EXCEL.EXE
2872	EXCEL.EXE
2872	EXCEL.EXE
2872	EXCEL.EXE
2872	EXCEL.EXE
2872	EXCEL.EXE

C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\ef385ed64f795e106d17c0a53dfb398f774a555a9e287714d327bf3987364c1b.xls
1⤵
- Drops file in System32 directory
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:2872

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

memory/2872-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2872-1-0x000000007218D000-0x0000000072198000-memory.dmp

Filesize
44KB

Download
memory/2872-3-0x0000000007050000-0x0000000007150000-memory.dmp

Filesize
1024KB

Download
memory/2872-5-0x0000000000490000-0x0000000000590000-memory.dmp

Filesize
1024KB

Download
memory/2872-6-0x0000000000490000-0x0000000000590000-memory.dmp

Filesize
1024KB

Download
memory/2872-7-0x0000000000490000-0x0000000000590000-memory.dmp

Filesize
1024KB

Download
memory/2872-30-0x0000000007A00000-0x0000000007C00000-memory.dmp

Filesize
2.0MB

Download
memory/2872-32-0x0000000007A00000-0x0000000007C00000-memory.dmp

Filesize
2.0MB

Download
memory/2872-44-0x0000000007A00000-0x0000000007C00000-memory.dmp

Filesize
2.0MB

Download
memory/2872-47-0x0000000007A00000-0x0000000007C00000-memory.dmp

Filesize
2.0MB

Download
memory/2872-49-0x000000007218D000-0x0000000072198000-memory.dmp

Filesize
44KB

Download
memory/2872-50-0x0000000007050000-0x0000000007150000-memory.dmp

Filesize
1024KB

Download
memory/2872-51-0x0000000000490000-0x0000000000590000-memory.dmp

Filesize
1024KB

Download
memory/2872-52-0x0000000007A00000-0x0000000007C00000-memory.dmp

Filesize
2.0MB

Download
memory/2872-53-0x0000000007A00000-0x0000000007C00000-memory.dmp

Filesize
2.0MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads