Analysis
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max time kernel
150s -
max time network
151s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
13-01-2021 15:30
Static task
static1
Behavioral task
behavioral1
Sample
0113_35727287.doc
Resource
win7v20201028
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
0113_35727287.doc
Resource
win10v20201028
windows10_x64
0 signatures
0 seconds
General
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Target
0113_35727287.doc
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Size
633KB
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MD5
e688ebdab6916fc89610c89ccb94ce16
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SHA1
a91447a728148e321fc576c6b55b3e9ba886bb8a
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SHA256
772c897ffdfb824b31d70ea360224714ab9bb83659bd431897cc74dd2defc2f3
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SHA512
7ec1f08fff2ae185421ddf6e1089349b1e9a0c0123c75d147b80c5ae0fc18938c2f781fc44d84e8abe0c4e251dbdfe3ea9499087345c39291fa96b9d18a39bf2
Score
10/10
Malware Config
Signatures
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Process spawned unexpected child process 1 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
Processes:
rundll32.exedescription pid pid_target process target process Parent C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE is not expected to spawn this process 1776 1036 rundll32.exe WINWORD.EXE -
Drops file in Windows directory 1 IoCs
Processes:
WINWORD.EXEdescription ioc process File opened for modification C:\Windows\Debug\WIA\wiatrace.log WINWORD.EXE -
Office loads VBA resources, possible macro or embedded object present
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Processes:
WINWORD.EXEdescription ioc process Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote WINWORD.EXE Set value (int) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55" WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel WINWORD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000" WINWORD.EXE Set value (int) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1" WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Toolbar WINWORD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt WINWORD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105" WINWORD.EXE -
Modifies registry class 280 IoCs
Processes:
WINWORD.EXEdescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000_CLASSES\Interface\{8BD21D23-EC42-11CE-9E0D-00AA006002F3}\ = "IMdcList" WINWORD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000_CLASSES\Interface\{5512D111-5CC6-11CF-8D67-00AA00BDCE1D}\ = "IWHTMLSubmitButton" WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000_CLASSES\Wow6432Node\Interface\{978C9E22-D4B0-11CE-BF2D-00AA003F40D0} WINWORD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000_CLASSES\Interface\{7B020EC1-AF6C-11CE-9F46-00AA00574A4F}\ = "CommandButtonEvents" WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000_CLASSES\Interface\{82B02372-B5BC-11CF-810F-00A0C9030074} WINWORD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000_CLASSES\Interface\{8A683C90-BA84-11CF-8110-00A0C9030074}\ = "IReturnSingle" WINWORD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000_CLASSES\Wow6432Node\Interface\{47FF8FE4-6198-11CF-8CE8-00AA006CB389}\ = "WHTMLControlEvents5" WINWORD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000_CLASSES\Wow6432Node\Interface\{04598FC2-866C-11CF-AB7C-00AA00C08FCF}\ = "ITabStrip" WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000_CLASSES\Interface\{47FF8FE2-6198-11CF-8CE8-00AA006CB389} WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000_CLASSES\Wow6432Node\Interface\{5512D123-5CC6-11CF-8D67-00AA00BDCE1D} WINWORD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000_CLASSES\Interface\{5512D123-5CC6-11CF-8D67-00AA00BDCE1D}\ = "IWHTMLSelect" WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3737A355-3768-42A4-A6F6-0A64EA6159B8}\2.0\FLAGS WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000_CLASSES\Wow6432Node\Interface\{04598FC7-866C-11CF-AB7C-00AA00C08FCF} WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000_CLASSES\Wow6432Node\Interface\{04598FC2-866C-11CF-AB7C-00AA00C08FCF} WINWORD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000_CLASSES\Wow6432Node\Interface\{79176FB3-B7F2-11CE-97EF-00AA006D2776}\ = "ISpinbutton" WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000_CLASSES\Interface\{79176FB3-B7F2-11CE-97EF-00AA006D2776} WINWORD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000_CLASSES\Wow6432Node\Interface\{5512D123-5CC6-11CF-8D67-00AA00BDCE1D}\ = "IWHTMLSelect" WINWORD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000_CLASSES\Interface\{92E11A03-7358-11CE-80CB-00AA00611080}\ = "Pages" WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000_CLASSES\TypeLib\{3737A355-3768-42A4-A6F6-0A64EA6159B8} WINWORD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000_CLASSES\Interface\{5B9D8FC8-4A71-101B-97A6-00000B65C08B}\ = "FormEvents" WINWORD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000_CLASSES\Interface\{82B02370-B5BC-11CF-810F-00A0C9030074}\ = "IReturnInteger" WINWORD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000_CLASSES\Interface\{04598FC8-866C-11CF-AB7C-00AA00C08FCF}\ = "_UserForm" WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3737A355-3768-42A4-A6F6-0A64EA6159B8}\2.0\0 WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000_CLASSES\Interface\{82B02370-B5BC-11CF-810F-00A0C9030074} WINWORD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000_CLASSES\Interface\{7B020EC7-AF6C-11CE-9F46-00AA00574A4F}\ = "TabStripEvents" WINWORD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000_CLASSES\Wow6432Node\Interface\{47FF8FE6-6198-11CF-8CE8-00AA006CB389}\ = "WHTMLControlEvents7" WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000_CLASSES\Interface\{5512D117-5CC6-11CF-8D67-00AA00BDCE1D} WINWORD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000_CLASSES\Wow6432Node\Interface\{8BD21D32-EC42-11CE-9E0D-00AA006002F3}\ = "MdcComboEvents" WINWORD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000_CLASSES\Interface\{5512D119-5CC6-11CF-8D67-00AA00BDCE1D}\ = "IWHTMLOption" WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000_CLASSES\Wow6432Node\Interface\{7B020EC8-AF6C-11CE-9F46-00AA00574A4F} WINWORD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000_CLASSES\Wow6432Node\Interface\{978C9E22-D4B0-11CE-BF2D-00AA003F40D0}\ = "LabelControlEvents" WINWORD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000_CLASSES\Wow6432Node\Interface\{8BD21D12-EC42-11CE-9E0D-00AA006002F3}\ = "MdcTextEvents" WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000_CLASSES\Interface\{04598FC7-866C-11CF-AB7C-00AA00C08FCF} WINWORD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000_CLASSES\Wow6432Node\Interface\{8BD21D13-EC42-11CE-9E0D-00AA006002F3}\ = "IMdcText" WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000_CLASSES\Interface\{8BD21D33-EC42-11CE-9E0D-00AA006002F3} WINWORD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000_CLASSES\Interface\{A38BFFC3-A5A0-11CE-8107-00AA00611080}\ = "Tab" WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000_CLASSES\Interface\{8BD21D42-EC42-11CE-9E0D-00AA006002F3} WINWORD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000_CLASSES\Interface\{47FF8FE9-6198-11CF-8CE8-00AA006CB389}\ = "WHTMLControlEvents10" WINWORD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000_CLASSES\TypeLib\{3737A355-3768-42A4-A6F6-0A64EA6159B8}\2.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\VBE" WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000_CLASSES\Interface\{EC72F590-F375-11CE-B9E8-00AA006B1A69} WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000_CLASSES\Wow6432Node\Interface\{8BD21D53-EC42-11CE-9E0D-00AA006002F3} WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000_CLASSES\Interface\{5512D111-5CC6-11CF-8D67-00AA00BDCE1D} WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000_CLASSES\Wow6432Node\Interface\{47FF8FE9-6198-11CF-8CE8-00AA006CB389} WINWORD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000_CLASSES\Interface\{BEF6E003-A874-101A-8BBA-00AA00300CAB}\ = "Font" WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000_CLASSES\Wow6432Node\Interface\{82B02371-B5BC-11CF-810F-00A0C9030074} WINWORD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000_CLASSES\Interface\{8BD21D43-EC42-11CE-9E0D-00AA006002F3}\ = "IMdcCheckBox" WINWORD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000_CLASSES\Wow6432Node\Interface\{5512D115-5CC6-11CF-8D67-00AA00BDCE1D}\ = "IWHTMLReset" WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000_CLASSES\Wow6432Node\Interface\{8BD21D12-EC42-11CE-9E0D-00AA006002F3} WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000_CLASSES\Interface WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000_CLASSES\Wow6432Node\Interface\{5512D113-5CC6-11CF-8D67-00AA00BDCE1D} WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000_CLASSES\Wow6432Node\Interface\{5512D117-5CC6-11CF-8D67-00AA00BDCE1D} WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000_CLASSES\Wow6432Node\Interface\{8BD21D62-EC42-11CE-9E0D-00AA006002F3} WINWORD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000_CLASSES\TypeLib\{3737A355-3768-42A4-A6F6-0A64EA6159B8}\2.0\ = "Microsoft Forms 2.0 Object Library" WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000_CLASSES\Wow6432Node\Interface\{04598FC6-866C-11CF-AB7C-00AA00C08FCF} WINWORD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000_CLASSES\Interface\{04598FC3-866C-11CF-AB7C-00AA00C08FCF}\ = "IScrollbar" WINWORD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000_CLASSES\Wow6432Node\Interface\{5512D11D-5CC6-11CF-8D67-00AA00BDCE1D}\ = "IWHTMLHidden" WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000_CLASSES\Interface\{8BD21D62-EC42-11CE-9E0D-00AA006002F3} WINWORD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000_CLASSES\Interface\{7B020EC8-AF6C-11CE-9F46-00AA00574A4F}\ = "MultiPageEvents" WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000_CLASSES\Wow6432Node\Interface WINWORD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000_CLASSES\Wow6432Node\Interface\{BEF6E003-A874-101A-8BBA-00AA00300CAB}\ = "Font" WINWORD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000_CLASSES\Wow6432Node\Interface\{47FF8FE1-6198-11CF-8CE8-00AA006CB389}\ = "WHTMLControlEvents2" WINWORD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000_CLASSES\Wow6432Node\Interface\{82B02371-B5BC-11CF-810F-00A0C9030074}\ = "IReturnBoolean" WINWORD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000_CLASSES\Wow6432Node\Interface\{5512D11B-5CC6-11CF-8D67-00AA00BDCE1D}\ = "IWHTMLText" WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000_CLASSES\Interface\{8BD21D22-EC42-11CE-9E0D-00AA006002F3} WINWORD.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
WINWORD.EXEpid process 1036 WINWORD.EXE -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
WINWORD.EXEpid process 1036 WINWORD.EXE 1036 WINWORD.EXE -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
WINWORD.EXEdescription pid process target process PID 1036 wrote to memory of 1248 1036 WINWORD.EXE splwow64.exe PID 1036 wrote to memory of 1248 1036 WINWORD.EXE splwow64.exe PID 1036 wrote to memory of 1248 1036 WINWORD.EXE splwow64.exe PID 1036 wrote to memory of 1248 1036 WINWORD.EXE splwow64.exe PID 1036 wrote to memory of 1776 1036 WINWORD.EXE rundll32.exe PID 1036 wrote to memory of 1776 1036 WINWORD.EXE rundll32.exe PID 1036 wrote to memory of 1776 1036 WINWORD.EXE rundll32.exe PID 1036 wrote to memory of 1776 1036 WINWORD.EXE rundll32.exe PID 1036 wrote to memory of 1776 1036 WINWORD.EXE rundll32.exe PID 1036 wrote to memory of 1776 1036 WINWORD.EXE rundll32.exe PID 1036 wrote to memory of 1776 1036 WINWORD.EXE rundll32.exe
Processes
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C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE"C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\0113_35727287.doc"1⤵
- Drops file in Windows directory
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\splwow64.exeC:\Windows\splwow64.exe 122882⤵
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C:\Windows\SysWOW64\rundll32.exe"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\Microsoft\Templates\W0rd.dll,DllUnregisterServer2⤵
- Process spawned unexpected child process