Analysis
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max time kernel
100s -
max time network
103s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system -
submitted
27-02-2023 19:39
Static task
static1
Behavioral task
behavioral1
Sample
Order.docx
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
Order.docx
Resource
win10v2004-20230221-en
General
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Target
Order.docx
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Size
10KB
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MD5
b9571630868381221bee77b8fe5079ca
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SHA1
12228855be9ea4783d1034678e00ddb51732d83b
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SHA256
3d3427a09aceb2dfcceaf2c8a232df04929a4bec0b43428ef595bbbd16162ddc
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SHA512
209a9a056f36d3f709f5abeffcd33e6f918094921efc79c1deaede609e25b2fe752c60b3c86b0b6b61f0ff4365a8c45917343303bd4fa7d60762fc3d1287e897
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SSDEEP
192:ScIMmtP1aIG/bslPL++uO+l+CVWBXJC0c3uG/:SPXU/slT+LO+HkZC9N
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
us2.smtp.mailhostbox.com - Port:
587 - Username:
002@frem-tr.com - Password:
jCXzqcP1 daniel 3116 - Email To:
002@frem-tr.com
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Blocklisted process makes network request 1 IoCs
Processes:
EQNEDT32.EXEflow pid process 7 1920 EQNEDT32.EXE -
Downloads MZ/PE file
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Abuses OpenXML format to download file from external location 2 IoCs
Processes:
WINWORD.EXEdescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Office\14.0\Common WINWORD.EXE Key opened \REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Office\Common\Offline\Files\http://3324948138/c00----------------------------.DOC WINWORD.EXE -
Executes dropped EXE 2 IoCs
Processes:
vbc.exevbc.exepid process 1772 vbc.exe 1932 vbc.exe -
Loads dropped DLL 1 IoCs
Processes:
EQNEDT32.EXEpid process 1920 EQNEDT32.EXE -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Uses the VBS compiler for execution 1 TTPs
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
vbc.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 vbc.exe Key opened \REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 vbc.exe Key opened \REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 vbc.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
vbc.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Windows\CurrentVersion\Run\gcWPrHZ = "C:\\Users\\Admin\\AppData\\Roaming\\gcWPrHZ\\gcWPrHZ.exe" vbc.exe -
Drops file in System32 directory 1 IoCs
Processes:
powershell.exedescription ioc process File opened for modification C:\Windows\SysWOW64\%ProgramData%\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\Windows PowerShell.lnk powershell.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
vbc.exedescription pid process target process PID 1772 set thread context of 1932 1772 vbc.exe vbc.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 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Office loads VBA resources, possible macro or embedded object present
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Launches Equation Editor 1 TTPs 1 IoCs
Equation Editor is an old Office component often targeted by exploits such as CVE-2017-11882.
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Processes:
WINWORD.EXEdescription ioc process Key created \REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote WINWORD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000" WINWORD.EXE Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor WINWORD.EXE Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\COMMAND WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit WINWORD.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\ = "&Edit" WINWORD.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55" WINWORD.EXE Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell WINWORD.EXE Set value (data) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000 WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor WINWORD.EXE Set value (data) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000 WINWORD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" WINWORD.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1" WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit WINWORD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105" WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\command WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command WINWORD.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\"" WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Internet Explorer\Toolbar WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel WINWORD.EXE Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\COMMAND WINWORD.EXE Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor WINWORD.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\"" WINWORD.EXE Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell WINWORD.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\ = "&Edit" WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Internet Explorer\MenuExt WINWORD.EXE Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit WINWORD.EXE Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor WINWORD.EXE -
Modifies registry class 64 IoCs
Processes:
WINWORD.EXEdescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Publisher\shell\edit\command WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\DefaultIcon WINWORD.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\MSPub.exe\shell\edit\ = "&Open" WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\Old Icon\mhtmlfile WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Word\shell\edit WINWORD.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\ddeexec\ = "[open(\"%1\")]" WINWORD.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Publisher\shell\edit\ = "&Open" WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\MSPub.exe\shell\edit\command WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Print WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\WinWord.exe\shell\edit\command WINWORD.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\DefaultIcon\ = "\"%1\"" WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\WinWord.exe\shell\edit WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Edit\command WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shellex\IconHandler WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Word WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit WINWORD.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\ddeexec\topic\ = "system" WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597} WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\command WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile WINWORD.EXE Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Edit\command WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\Old Icon WINWORD.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit\ = "&Open" WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit WINWORD.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\MSPub.exe\shell\edit\ = "&Open" WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\ddeexec\application WINWORD.EXE Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Edit WINWORD.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Word\shell\edit\ = "&Open" WINWORD.EXE Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\MSPub.exe\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b005000750062005000720069006d006100720079003e00520024006e0075006a0053005700460065003f007d0061004c00720052007000390078004000570020002500310000000000 WINWORD.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\ddeexec\application\ = "Excel" WINWORD.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\ddeexec\topic\ = "system" WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit\command WINWORD.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Edit\ = "&Edit" WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\ddeexec\topic WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\command WINWORD.EXE Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0045005800430045004c00460069006c00650073003e00560069006a00710042006f006600280059003800270077002100460049006400310067004c00510020002f0064006400650000000000 WINWORD.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Edit\ = "&Edit" WINWORD.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\ddeexec\ = "[open(\"%1\")]" WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit\ddeexec\application WINWORD.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\ddeexec\topic\ = "system" WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\ddeexec WINWORD.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Publisher\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\MSPUB.EXE\" %1" WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\ShellEx WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Word\shell\edit\command WINWORD.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit\ddeexec\ = "[open(\"%1\")]" WINWORD.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit\ddeexec\application\ = "Excel" WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\MSPub.exe\shell\edit\command WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Edit\command WINWORD.EXE Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Edit\command WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit WINWORD.EXE Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Word\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000 WINWORD.EXE Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0045005800430045004c00460069006c00650073003e00560069006a00710042006f006600280059003800270077002100460049006400310067004c00510020002f0064006400650000000000 WINWORD.EXE Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0045005800430045004c00460069006c00650073003e00560069006a00710042006f006600280059003800270077002100460049006400310067004c00510020002f0064006400650000000000 WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\ddeexec WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\MSPub.exe\shell\edit WINWORD.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\WinWord.exe\shell\edit\ = "&Open" WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Print WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\ddeexec\application WINWORD.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\MSPub.exe\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\MSPUB.EXE\" %1" WINWORD.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
WINWORD.EXEpid process 316 WINWORD.EXE -
Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
vbc.exepowershell.exepid process 1772 vbc.exe 1772 vbc.exe 748 powershell.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes:
vbc.exevbc.exepowershell.exeWINWORD.EXEdescription pid process Token: SeDebugPrivilege 1772 vbc.exe Token: SeDebugPrivilege 1932 vbc.exe Token: SeDebugPrivilege 748 powershell.exe Token: SeShutdownPrivilege 316 WINWORD.EXE -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
WINWORD.EXEpid process 316 WINWORD.EXE 316 WINWORD.EXE -
Suspicious use of WriteProcessMemory 25 IoCs
Processes:
EQNEDT32.EXEWINWORD.EXEvbc.exedescription pid process target process PID 1920 wrote to memory of 1772 1920 EQNEDT32.EXE vbc.exe PID 1920 wrote to memory of 1772 1920 EQNEDT32.EXE vbc.exe PID 1920 wrote to memory of 1772 1920 EQNEDT32.EXE vbc.exe PID 1920 wrote to memory of 1772 1920 EQNEDT32.EXE vbc.exe PID 316 wrote to memory of 808 316 WINWORD.EXE splwow64.exe PID 316 wrote to memory of 808 316 WINWORD.EXE splwow64.exe PID 316 wrote to memory of 808 316 WINWORD.EXE splwow64.exe PID 316 wrote to memory of 808 316 WINWORD.EXE splwow64.exe PID 1772 wrote to memory of 748 1772 vbc.exe powershell.exe PID 1772 wrote to memory of 748 1772 vbc.exe powershell.exe PID 1772 wrote to memory of 748 1772 vbc.exe powershell.exe PID 1772 wrote to memory of 748 1772 vbc.exe powershell.exe PID 1772 wrote to memory of 1544 1772 vbc.exe schtasks.exe PID 1772 wrote to memory of 1544 1772 vbc.exe schtasks.exe PID 1772 wrote to memory of 1544 1772 vbc.exe schtasks.exe PID 1772 wrote to memory of 1544 1772 vbc.exe schtasks.exe PID 1772 wrote to memory of 1932 1772 vbc.exe vbc.exe PID 1772 wrote to memory of 1932 1772 vbc.exe vbc.exe PID 1772 wrote to memory of 1932 1772 vbc.exe vbc.exe PID 1772 wrote to memory of 1932 1772 vbc.exe vbc.exe PID 1772 wrote to memory of 1932 1772 vbc.exe vbc.exe PID 1772 wrote to memory of 1932 1772 vbc.exe vbc.exe PID 1772 wrote to memory of 1932 1772 vbc.exe vbc.exe PID 1772 wrote to memory of 1932 1772 vbc.exe vbc.exe PID 1772 wrote to memory of 1932 1772 vbc.exe vbc.exe -
outlook_office_path 1 IoCs
Processes:
vbc.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 vbc.exe -
outlook_win_path 1 IoCs
Processes:
vbc.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 vbc.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\Order.docx"1⤵
- Abuses OpenXML format to download file from external location
- Drops file in Windows directory
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of AdjustPrivilegeToken
- 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:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE"C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE" -Embedding1⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Launches Equation Editor
- Suspicious use of WriteProcessMemory
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C:\Users\Public\vbc.exe"C:\Users\Public\vbc.exe"2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\REqzovjc.exe"3⤵
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\REqzovjc" /XML "C:\Users\Admin\AppData\Local\Temp\tmp19F7.tmp"3⤵
- Creates scheduled task(s)
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C:\Users\Public\vbc.exe"C:\Users\Public\vbc.exe"3⤵
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Microsoft\Office\14.0\OfficeFileCache\FSD-CNRY.FSDFilesize
128KB
MD564e286455faa933fa8bab7a678eb91b3
SHA1b57a9edcfa2e864349e0942bcc9a408928c0d4d3
SHA256881b1cc0b81c8b0868d75c9a064265b53c8509c95b372cb4cf94826b006bb570
SHA5126b13dcf384af5d57d645116c05d3fe2ba98e02b8e326bf611ce293bee9ad190c4f8c904f9720ed859153a6dfecb653cdd87cdcb802fc62cda8bfca3668a0e370
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C:\Users\Admin\AppData\Local\Microsoft\Office\14.0\OfficeFileCache\FSD-{20CE55F8-9409-4242-9AD0-A2B2EC7837B6}.FSDFilesize
128KB
MD5f058f5c19972c3d37c31a0e70b9a8b35
SHA1e526b723327225e6fa48c4dca6087b66824603c6
SHA256c4678e1634a82ae2eedfc0a87a0d6771d46a30666ca14c19d170569087e2c688
SHA512df1d2b550998e44da86ff89d330980bf7690c0d5d6eb37c6a29eb5faec052152f869c9fef5e0bcb07e1790efa51d9d47e19670bbfb06714aa0d679681c61f53b
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C:\Users\Admin\AppData\Local\Microsoft\Office\14.0\OfficeFileCache\LocalCacheFileEditManager\FSD-CNRY.FSDFilesize
128KB
MD56f1cb92c532dc49c636b9dedd2a67121
SHA1344b27f6d7a422d23ccd0d0e16834b4d6cd19083
SHA2565ccb60c7f05b996003246c8dfcdd6158063211f5d8fd23a786890b8e9993c4f7
SHA5121ee98df3539780c6fb4f74fe37cdf6447e93b577da37bf31cd7c642926871f2eedb277b68be59403575ce3c1f1f963094513e61166c6858e80b16e451240b8d2
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C:\Users\Admin\AppData\Local\Microsoft\Office\14.0\OfficeFileCache\LocalCacheFileEditManager\FSD-{58E46BEC-EB28-476A-9F3D-ED058002744C}.FSDFilesize
128KB
MD5242ef3913aec64b4a7b23191a77152e9
SHA13db6bdeb13b9953e126a704bb690b2e506fc6805
SHA256376a0de134cb9c3eac102252fa995b5087f0915c465103534b53fc05ab18039f
SHA5124564e67e42ee96e355715e9e2ef6c9a49d1256c6a9d6e86b7873dfd2610090fbc21c6b5778031a45053b787e14b1b6d4b0baf109f94ae8a80b2f28ea963753e2
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C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\QCNSQOTT\c00----------------------------[1].docFilesize
14KB
MD5a0d3000e5792081fa970184fe592808f
SHA1551941fd7e55cb98ea3a2f315fabe1d2b0a0b935
SHA2567cee2955d8fee68f5501d86c84159f3e8cefcd52476a950a5712b84bbb1feedd
SHA512e64b08ff15d7c396304d167781555beb01fc47ba488ead5dd231d7166d67da0599c61d942cb1d9415469cd4e4e2c8cad46763df224ba02ebaeab629b008f2556
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C:\Users\Admin\AppData\Local\Temp\tmp19F7.tmpFilesize
1KB
MD54e683478fdc4ecffdf35edefe47565e8
SHA1ea1d1e1b2c246bce9a6aee95f833a9cb0208c2e3
SHA2568bc95879f4ca9597e062895f001c8bc32a52391567194ee97354161b7abbcca2
SHA5126cd8f7d24cb78c4defc9bb56e7f5c057acd561c1a2993f501f50a424ca0d5ebd6e8cd2d32828c271bbd61f686d3f7a1bce29eb78f6a8ec47479189bc0cecaf91
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C:\Users\Admin\AppData\Local\Temp\{BDC12C0D-8093-4EF9-8923-037D8D36EFC1}Filesize
128KB
MD5beae1bb7a6a70f7a917a76455f5ec782
SHA1c5217a0b77cb3dc400f2c0e7b1f9f4f4948dad27
SHA256ba86c3200f3f9a8cfbfa037f781033fd157fb3ae280d3f24e8a3b4ec5ab3e218
SHA512acf5bc0e8e5fea4a65f2a6e7a58ec0172245c446e6286fa999ca9719939cc9cdf269cdabc81b1534e6b4134f5c15bc940554a390cc2e0535a1e9929ff4d67407
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C:\Users\Admin\AppData\Roaming\Microsoft\Templates\Normal.dotmFilesize
20KB
MD5f6b0e9df5acccfd3a3b4ea31f1813013
SHA11e24fdd28ded301a99a78c6d583d80fe5e7d5508
SHA256bbeb10e659f7915c247db25b447d11b42f3caf32375408e81ef91e23ef2a6d55
SHA5120dbb822f763464a982655d0e51afeca6c942864b30f13a0803449b8d0331bcd5b6e6e81ee87ff956eda7b17115342223209f3d73426e7cb3e79912bf21c5927b
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C:\Users\Public\vbc.exeFilesize
1.1MB
MD5a5e75f93a365f2f20438395c0949624d
SHA175a9d3e8faa58757a04a84ebf3def50357ac515e
SHA2560e971d7a08790f5b5a54e074c3b343985ab403cd0665c2580d0e7d0c4e463163
SHA512af70c9bb70fc2ecfcda0c395b3a4076b18629e7a94273b6adbda7dd7ebbde00939780c12d53f829ee326a33fb71de7729d3ba178e49a3d3fa3f86d351bd8e4d6
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C:\Users\Public\vbc.exeFilesize
1.1MB
MD5a5e75f93a365f2f20438395c0949624d
SHA175a9d3e8faa58757a04a84ebf3def50357ac515e
SHA2560e971d7a08790f5b5a54e074c3b343985ab403cd0665c2580d0e7d0c4e463163
SHA512af70c9bb70fc2ecfcda0c395b3a4076b18629e7a94273b6adbda7dd7ebbde00939780c12d53f829ee326a33fb71de7729d3ba178e49a3d3fa3f86d351bd8e4d6
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C:\Users\Public\vbc.exeFilesize
1.1MB
MD5a5e75f93a365f2f20438395c0949624d
SHA175a9d3e8faa58757a04a84ebf3def50357ac515e
SHA2560e971d7a08790f5b5a54e074c3b343985ab403cd0665c2580d0e7d0c4e463163
SHA512af70c9bb70fc2ecfcda0c395b3a4076b18629e7a94273b6adbda7dd7ebbde00939780c12d53f829ee326a33fb71de7729d3ba178e49a3d3fa3f86d351bd8e4d6
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C:\Users\Public\vbc.exeFilesize
1.1MB
MD5a5e75f93a365f2f20438395c0949624d
SHA175a9d3e8faa58757a04a84ebf3def50357ac515e
SHA2560e971d7a08790f5b5a54e074c3b343985ab403cd0665c2580d0e7d0c4e463163
SHA512af70c9bb70fc2ecfcda0c395b3a4076b18629e7a94273b6adbda7dd7ebbde00939780c12d53f829ee326a33fb71de7729d3ba178e49a3d3fa3f86d351bd8e4d6
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\Users\Public\vbc.exeFilesize
1.1MB
MD5a5e75f93a365f2f20438395c0949624d
SHA175a9d3e8faa58757a04a84ebf3def50357ac515e
SHA2560e971d7a08790f5b5a54e074c3b343985ab403cd0665c2580d0e7d0c4e463163
SHA512af70c9bb70fc2ecfcda0c395b3a4076b18629e7a94273b6adbda7dd7ebbde00939780c12d53f829ee326a33fb71de7729d3ba178e49a3d3fa3f86d351bd8e4d6
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memory/316-203-0x000000005FFF0000-0x0000000060000000-memory.dmpFilesize
64KB
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memory/316-54-0x000000005FFF0000-0x0000000060000000-memory.dmpFilesize
64KB
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memory/748-174-0x00000000025C0000-0x0000000002600000-memory.dmpFilesize
256KB
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memory/748-173-0x00000000025C0000-0x0000000002600000-memory.dmpFilesize
256KB
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memory/1772-152-0x0000000005560000-0x000000000560A000-memory.dmpFilesize
680KB
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memory/1772-143-0x00000000005A0000-0x00000000005B6000-memory.dmpFilesize
88KB
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memory/1772-141-0x0000000000200000-0x000000000031C000-memory.dmpFilesize
1.1MB
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memory/1772-142-0x0000000004E40000-0x0000000004E80000-memory.dmpFilesize
256KB
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memory/1772-158-0x0000000000450000-0x0000000000482000-memory.dmpFilesize
200KB
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memory/1772-151-0x00000000005C0000-0x00000000005CC000-memory.dmpFilesize
48KB
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memory/1772-150-0x0000000004E40000-0x0000000004E80000-memory.dmpFilesize
256KB
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memory/1932-162-0x0000000000400000-0x0000000000430000-memory.dmpFilesize
192KB
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memory/1932-164-0x0000000000400000-0x0000000000430000-memory.dmpFilesize
192KB
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memory/1932-167-0x0000000000400000-0x0000000000430000-memory.dmpFilesize
192KB
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memory/1932-169-0x0000000000400000-0x0000000000430000-memory.dmpFilesize
192KB
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memory/1932-172-0x0000000004F90000-0x0000000004FD0000-memory.dmpFilesize
256KB
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memory/1932-163-0x000000007EFDE000-0x000000007EFDF000-memory.dmpFilesize
4KB
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memory/1932-161-0x0000000000400000-0x0000000000430000-memory.dmpFilesize
192KB
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memory/1932-176-0x0000000004F90000-0x0000000004FD0000-memory.dmpFilesize
256KB
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memory/1932-160-0x0000000000400000-0x0000000000430000-memory.dmpFilesize
192KB
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memory/1932-159-0x0000000000400000-0x0000000000430000-memory.dmpFilesize
192KB