Analysis
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max time kernel
111s -
max time network
34s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system -
submitted
19-03-2023 04:05
Static task
static1
Behavioral task
behavioral1
Sample
5b7ff99c955fa55f1f884a09a912b64f5a1aea40caed0cdf86d0ebe4fe45a06e.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
5b7ff99c955fa55f1f884a09a912b64f5a1aea40caed0cdf86d0ebe4fe45a06e.exe
Resource
win10v2004-20230220-en
General
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Target
5b7ff99c955fa55f1f884a09a912b64f5a1aea40caed0cdf86d0ebe4fe45a06e.exe
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Size
550KB
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MD5
f955416a22928eb08bff910bc34fb920
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SHA1
256721c9990152c749ef8f4f051e3999c2ec85e7
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SHA256
5b7ff99c955fa55f1f884a09a912b64f5a1aea40caed0cdf86d0ebe4fe45a06e
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SHA512
b1b979d3cb68ebdfc226fd1a799ff3f3a833026e77eb89caa251624571678aad8d9d35924fa7527491f765b78e4cd2507bdcb093b54edecfbf5feccb848231fb
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SSDEEP
12288:KSRhpHuPu7JQXCTWc22je8qH4iHdraa6/0NZ443dXq9s:KshpSW/22je8qH4iHxHM0NZnV
Malware Config
Signatures
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Office macro that triggers on suspicious action 1 IoCs
Office document macro which triggers in special circumstances - often malicious.
Processes:
resource yara_rule C:\Users\Admin\AppData\Roaming\V617YF.Dll office_macro_on_action -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Enumerates system info in registry 2 TTPs 1 IoCs
Processes:
EXCEL.EXEdescription ioc process Key opened \REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor EXCEL.EXE -
Processes:
EXCEL.EXEdescription ioc process Key created \REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel EXCEL.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\WINWORD.EXE\" /n \"%1\"" EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\Toolbar EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\MenuExt EXCEL.EXE Set value (data) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000 EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor EXCEL.EXE Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit EXCEL.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\WINWORD.EXE\" /n \"%1\"" EXCEL.EXE Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor EXCEL.EXE Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\COMMAND EXCEL.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\ = "&Edit" EXCEL.EXE Set value (int) \REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55" EXCEL.EXE Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\COMMAND EXCEL.EXE Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell EXCEL.EXE Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit EXCEL.EXE Set value (int) \REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1" EXCEL.EXE Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit EXCEL.EXE Set value (data) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000 EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105" EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000" EXCEL.EXE Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit EXCEL.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\ = "&Edit" EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\command EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command EXCEL.EXE -
Modifies registry class 64 IoCs
Processes:
EXCEL.EXEdescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_CLASSES\Interface\{47FF8FE6-6198-11CF-8CE8-00AA006CB389}\ = "WHTMLControlEvents7" EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_CLASSES\Interface\{8BD21D33-EC42-11CE-9E0D-00AA006002F3}\ = "IMdcCombo" EXCEL.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Print\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\msohtmed.exe\" /p %1" EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_CLASSES\Interface\{4C5992A5-6926-101B-9992-00000B65C6F9} EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_CLASSES\Wow6432Node\Interface\{04598FC1-866C-11CF-AB7C-00AA00C08FCF}\ = "ILabelControl" EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_CLASSES\Wow6432Node\Interface\{47FF8FE5-6198-11CF-8CE8-00AA006CB389}\ = "WHTMLControlEvents6" EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_CLASSES\Wow6432Node EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_CLASSES\Interface\{82B02372-B5BC-11CF-810F-00A0C9030074}\ = "IReturnString" EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Publisher EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Publisher\shell\edit\command EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_CLASSES\Wow6432Node\Interface\{8BD21D52-EC42-11CE-9E0D-00AA006002F3} EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\command EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\WinWord.exe EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_CLASSES\Interface\{5512D119-5CC6-11CF-8D67-00AA00BDCE1D}\ = "IWHTMLOption" EXCEL.EXE Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Edit\command EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_CLASSES\Interface\{5512D117-5CC6-11CF-8D67-00AA00BDCE1D}\ = "IWHTMLCheckbox" EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_CLASSES\Wow6432Node\Interface\{29B86A70-F52E-11CE-9BCE-00AA00608E01}\ = "IOptionFrame" EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_CLASSES\Interface\{04598FC1-866C-11CF-AB7C-00AA00C08FCF} EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_CLASSES\Wow6432Node\Interface\{04598FC7-866C-11CF-AB7C-00AA00C08FCF} EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_CLASSES\Wow6432Node\Interface\{8BD21D43-EC42-11CE-9E0D-00AA006002F3} EXCEL.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Publisher\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\MSPUB.EXE\" %1" EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_CLASSES\TypeLib\{06ABE108-A0D0-4CCF-B4AA-09ADEA0B203B}\2.0\0\win32 EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_CLASSES\Wow6432Node\Interface\{5512D11D-5CC6-11CF-8D67-00AA00BDCE1D}\ = "IWHTMLHidden" EXCEL.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\ddeexec\topic\ = "system" EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Publisher\shell\edit EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_CLASSES\Wow6432Node\Interface\{8BD21D23-EC42-11CE-9E0D-00AA006002F3} EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_CLASSES\Wow6432Node\Interface\{47FF8FE2-6198-11CF-8CE8-00AA006CB389}\ = "WHTMLControlEvents3" EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\MSPub.exe\shell\edit\command EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_CLASSES\Interface\{8BD21D13-EC42-11CE-9E0D-00AA006002F3} EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_CLASSES\Interface\{8BD21D53-EC42-11CE-9E0D-00AA006002F3} EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shellex\IconHandler EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_CLASSES\Wow6432Node\Interface\{8BD21D13-EC42-11CE-9E0D-00AA006002F3}\ = "IMdcText" EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\Version\14 EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_CLASSES\Wow6432Node\Interface\{CF3F94A0-F546-11CE-9BCE-00AA00608E01}\ = "OptionFrameEvents" EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{06ABE108-A0D0-4CCF-B4AA-09ADEA0B203B}\2.0\0 EXCEL.EXE Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Print EXCEL.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\WinWord.exe\shell\edit\ = "&Open" EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\ddeexec EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_CLASSES\Interface\{47FF8FE9-6198-11CF-8CE8-00AA006CB389}\ = "WHTMLControlEvents10" EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_CLASSES\Interface\{82B02371-B5BC-11CF-810F-00A0C9030074} EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_CLASSES\Interface\{5512D11B-5CC6-11CF-8D67-00AA00BDCE1D}\ = "IWHTMLText" EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shellex\IconHandler EXCEL.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\ddeexec\ = "[open(\"%1\")]" EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_CLASSES\Interface\{5512D117-5CC6-11CF-8D67-00AA00BDCE1D} EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_CLASSES\Interface\{29B86A70-F52E-11CE-9BCE-00AA00608E01}\ = "IOptionFrame" EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_CLASSES\Interface\{04598FC3-866C-11CF-AB7C-00AA00C08FCF}\ = "IScrollbar" EXCEL.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\ddeexec\application\ = "Excel" EXCEL.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\WinWord.exe\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\WINWORD.EXE\" /n \"%1\"" EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\DefaultIcon EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_CLASSES\Wow6432Node\Interface\{47FF8FE8-6198-11CF-8CE8-00AA006CB389}\ = "WHTMLControlEvents9" EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_CLASSES\Wow6432Node\Interface\{82B02370-B5BC-11CF-810F-00A0C9030074} EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_CLASSES\Wow6432Node\Interface\{8BD21D63-EC42-11CE-9E0D-00AA006002F3}\ = "IMdcToggleButton" EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_CLASSES\Interface\{8BD21D23-EC42-11CE-9E0D-00AA006002F3}\ = "IMdcList" EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_CLASSES\Wow6432Node\Interface\{04598FC3-866C-11CF-AB7C-00AA00C08FCF} EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_CLASSES\Wow6432Node\Interface\{04598FC8-866C-11CF-AB7C-00AA00C08FCF}\ = "_UserForm" EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_CLASSES\Interface\{04598FC4-866C-11CF-AB7C-00AA00C08FCF}\ = "ICommandButton" EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_CLASSES\Interface\{8BD21D63-EC42-11CE-9E0D-00AA006002F3} EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_CLASSES\Wow6432Node\Interface\{8BD21D42-EC42-11CE-9E0D-00AA006002F3} EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_CLASSES\Wow6432Node\Interface\{29B86A70-F52E-11CE-9BCE-00AA00608E01} EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_CLASSES\Wow6432Node\Interface\{CF3F94A0-F546-11CE-9BCE-00AA00608E01} EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid process 780 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 6 IoCs
Processes:
5b7ff99c955fa55f1f884a09a912b64f5a1aea40caed0cdf86d0ebe4fe45a06e.exeEXCEL.EXEpid process 1360 5b7ff99c955fa55f1f884a09a912b64f5a1aea40caed0cdf86d0ebe4fe45a06e.exe 780 EXCEL.EXE 780 EXCEL.EXE 780 EXCEL.EXE 780 EXCEL.EXE 780 EXCEL.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\5b7ff99c955fa55f1f884a09a912b64f5a1aea40caed0cdf86d0ebe4fe45a06e.exe"C:\Users\Admin\AppData\Local\Temp\5b7ff99c955fa55f1f884a09a912b64f5a1aea40caed0cdf86d0ebe4fe45a06e.exe"1⤵
- Suspicious use of SetWindowsHookEx
PID:1360
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C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /automation -Embedding1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:780
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
342KB
MD5aa3dbd12739bd46fc2c7d6a3fa57ee70
SHA198767b2da5d82f14d2fbcedd9f706e2134e1b11d
SHA256c8130704f324d48bac49814e6cdbac9f8aa00268f5d4f7bef0ac748f59ffd9f6
SHA512292547d4ad672546bb8ba569a7aa825c00b68ab853461e0c543c8293e08bb4371a1ca6c81edba8e55c82bec43de7599f26c522be7c3eb55db0ee05816db97733