PO doc 42782.xlsx

General
Target

PO doc 42782.xlsx

Filesize

369KB

Completed

21-10-2021 18:02

Score
10/10
MD5

9c5486b2167c91562d09db0f5b1025e2

SHA1

535baeb13752700a26bda678a6c85d003db29397

SHA256

bc081b96be044e4fd5b0d0a48151aac96251ba275c9a66e9add9daf1d2e12380

Malware Config

Extracted

Family formbook
Version 4.1
Campaign kzk9
C2

http://www.yourmajordomo.com/kzk9/

Decoy

tianconghuo.club

1996-page.com

ourtownmax.net

conservativetreehose.com

synth.repair

donnachicacreperia.com

tentfull.com

weapp.download

surfersink.com

gattlebusinessservices.com

sebastian249.com

anhphuc.company

betternatureproducts.net

defroplate.com

seattlesquidsquad.com

polarjob.com

lendingadvantage.com

angelsondope.com

goportjitney.com

tiendagrupojagr.com

self-care360.com

foreignexchage.com

loan-stalemate.info

hrsimrnsingh.com

laserobsession.com

primetimesmagazine.com

teminyulon.xyz

kanoondarab.com

alpinefall.com

tbmautosales.com

4g2020.com

libertyquartermaster.com

flavorfalafel.com

generlitravel.com

solvedfp.icu

jamnvibez.com

zmx258.com

doudiangroup.com

dancecenterwest.com

ryantheeconomist.com

beeofthehive.com

bluelearn.world

vivalasplantas.com

yumiacraftlab.com

shophere247365.com

enjoybespokenwords.com

windajol.com

ctgbazar.xyz

afcerd.com

dateprotect.com

Signatures 20

Filter: none

Defense Evasion
Discovery
Execution
  • Formbook

    Description

    Formbook is a data stealing malware which is capable of stealing data.

  • suricata: ET MALWARE FormBook CnC Checkin (GET)

    Description

    suricata: ET MALWARE FormBook CnC Checkin (GET)

    Tags

  • Formbook Payload

    Tags

    Reported IOCs

    resourceyara_rule
    behavioral1/memory/1188-72-0x0000000000400000-0x000000000042E000-memory.dmpformbook
    behavioral1/memory/1188-73-0x000000000041EB80-mapping.dmpformbook
    behavioral1/memory/1640-81-0x0000000000110000-0x000000000013E000-memory.dmpformbook
  • Blocklisted process makes network request
    EQNEDT32.EXE

    Reported IOCs

    flowpidprocess
    41124EQNEDT32.EXE
  • Downloads MZ/PE file
  • Executes dropped EXE
    vbc.exevbc.exe

    Reported IOCs

    pidprocess
    1288vbc.exe
    1188vbc.exe
  • Loads dropped DLL
    EQNEDT32.EXE

    Reported IOCs

    pidprocess
    1124EQNEDT32.EXE
    1124EQNEDT32.EXE
    1124EQNEDT32.EXE
    1124EQNEDT32.EXE
  • Uses the VBS compiler for execution

    TTPs

    Scripting
  • Suspicious use of SetThreadContext
    vbc.exevbc.exewlanext.exe

    Reported IOCs

    descriptionpidprocesstarget process
    PID 1288 set thread context of 11881288vbc.exevbc.exe
    PID 1188 set thread context of 14041188vbc.exeExplorer.EXE
    PID 1640 set thread context of 14041640wlanext.exeExplorer.EXE
  • Enumerates system info in registry
    EXCEL.EXE

    TTPs

    Query RegistrySystem Information Discovery

    Reported IOCs

    descriptioniocprocess
    Key opened\REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessorEXCEL.EXE
  • Launches Equation Editor
    EQNEDT32.EXE

    Description

    Equation Editor is an old Office component often targeted by exploits such as CVE-2017-11882.

    Tags

    TTPs

    Exploitation for Client Execution

    Reported IOCs

    pidprocess
    1124EQNEDT32.EXE
  • Modifies Internet Explorer settings
    EXCEL.EXE

    TTPs

    Modify Registry

    Reported IOCs

    descriptioniocprocess
    Key created\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shellEXCEL.EXE
    Key created\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNoteEXCEL.EXE
    Set value (str)\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\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-1-5-21-3456797065-1076791440-4146276586-1000\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\COMMANDEXCEL.EXE
    Key created\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shellEXCEL.EXE
    Set value (int)\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\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\shellEXCEL.EXE
    Key created\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\commandEXCEL.EXE
    Key created\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Internet Explorer\MenuExtEXCEL.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 HTML Editor\shell\edit\COMMANDEXCEL.EXE
    Key deleted\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\editEXCEL.EXE
    Key deleted\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML EditorEXCEL.EXE
    Key deleted\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\editEXCEL.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-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Internet Explorer\ToolbarEXCEL.EXE
    Set value (str)\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"EXCEL.EXE
    Key created\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft ExcelEXCEL.EXE
    Set value (data)\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000EXCEL.EXE
    Key deleted\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shellEXCEL.EXE
    Set value (data)\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000EXCEL.EXE
    Key created\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\editEXCEL.EXE
    Key created\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\editEXCEL.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 MHTML EditorEXCEL.EXE
    Set value (str)\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\ = "&Edit"EXCEL.EXE
    Key created\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\commandEXCEL.EXE
    Set value (str)\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\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\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML EditorEXCEL.EXE
    Key deleted\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML EditorEXCEL.EXE
  • Modifies registry class
    EXCEL.EXE

    Reported IOCs

    descriptioniocprocess
    Key created\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft PublisherEXCEL.EXE
    Key created\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\WinWord.exeEXCEL.EXE
    Key created\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit\ddeexec\applicationEXCEL.EXE
    Set value (str)\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shellex\IconHandler\ = "{42042206-2D85-11D3-8CFF-005004838597}"EXCEL.EXE
    Set value (data)\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0045005800430045004c00460069006c00650073003e00560069006a00710042006f006600280059003800270077002100460049006400310067004c00510020002f0064006400650000000000EXCEL.EXE
    Key created\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Publisher\shell\editEXCEL.EXE
    Key created\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Word\shell\editEXCEL.EXE
    Key created\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\ddeexecEXCEL.EXE
    Key created\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Edit\commandEXCEL.EXE
    Set value (str)\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\InprocServer32\ = "C:\\Program Files (x86)\\Microsoft Office\\Office14\\msohevi.dll"EXCEL.EXE
    Key created\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft WordEXCEL.EXE
    Set value (data)\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0045005800430045004c00460069006c00650073003e00560069006a00710042006f006600280059003800270077002100460049006400310067004c00510020002f0064006400650000000000EXCEL.EXE
    Set value (str)\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\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\.mht\OpenWithList\WinWord.exe\shell\edit\commandEXCEL.EXE
    Set value (str)\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\MSPub.exe\shell\edit\ = "&Open"EXCEL.EXE
    Set value (str)\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit\ddeexec\ = "[open(\"%1\")]"EXCEL.EXE
    Key created\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\ddeexec\applicationEXCEL.EXE
    Set value (str)\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\Version\14\ = "C:\\Program Files (x86)\\Microsoft Office\\Office14\\msohtmed.exe"EXCEL.EXE
    Key created\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\DefaultIconEXCEL.EXE
    Set value (str)\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\WinWord.exe\shell\edit\ = "&Open"EXCEL.EXE
    Key created\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\commandEXCEL.EXE
    Set value (str)\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Word\shell\edit\ = "&Open"EXCEL.EXE
    Set value (data)\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\WinWord.exe\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000EXCEL.EXE
    Set value (str)\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\ddeexec\topic\ = "system"EXCEL.EXE
    Set value (str)\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\ = "&Open"EXCEL.EXE
    Key created\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\ddeexec\topicEXCEL.EXE
    Key created\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\EditEXCEL.EXE
    Key created\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\PrintEXCEL.EXE
    Set value (data)\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Word\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000EXCEL.EXE
    Set value (data)\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Publisher\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b005000750062005000720069006d006100720079003e00520024006e0075006a0053005700460065003f007d0061004c00720052007000390078004000570020002500310000000000EXCEL.EXE
    Key created\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\MSPub.exeEXCEL.EXE
    Set value (str)\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Publisher\shell\edit\ = "&Open"EXCEL.EXE
    Set value (data)\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Publisher\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b005000750062005000720069006d006100720079003e00520024006e0075006a0053005700460065003f007d0061004c00720052007000390078004000570020002500310000000000EXCEL.EXE
    Key created\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfileEXCEL.EXE
    Key created\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft ExcelEXCEL.EXE
    Set value (str)\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\ddeexec\topic\ = "system"EXCEL.EXE
    Key created\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\commandEXCEL.EXE
    Key created\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\MSPub.exeEXCEL.EXE
    Key created\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shellEXCEL.EXE
    Key created\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shellex\IconHandlerEXCEL.EXE
    Key created\REGISTRY\MACHINE\SOFTWARE\Classes\.mhtEXCEL.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
    Set value (str)\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\ = "&Open"EXCEL.EXE
    Set value (str)\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\InprocServer32\ThreadingModel = "Apartment"EXCEL.EXE
    Key created\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Word\shell\edit\commandEXCEL.EXE
    Key deleted\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Print\commandEXCEL.EXE
    Set value (str)\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Print\ = "&Print"EXCEL.EXE
    Key created\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit\ddeexecEXCEL.EXE
    Set value (str)\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\MSPub.exe\shell\edit\ = "&Open"EXCEL.EXE
    Set value (str)\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Word\shell\edit\ = "&Open"EXCEL.EXE
    Key created\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\ddeexecEXCEL.EXE
    Key created\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\EditEXCEL.EXE
    Key deleted\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Edit\commandEXCEL.EXE
    Key created\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Publisher\shell\edit\commandEXCEL.EXE
    Key created\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\editEXCEL.EXE
    Set value (str)\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\DefaultIcon\ = "\"%1\""EXCEL.EXE
    Key created\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\Old IconEXCEL.EXE
    Key deleted\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\EditEXCEL.EXE
    Key created\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft WordEXCEL.EXE
    Set value (str)\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Word\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\WINWORD.EXE\" /n \"%1\""EXCEL.EXE
    Set value (str)\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Print\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\msohtmed.exe\" /p %1"EXCEL.EXE
    Key created\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\InprocServer32EXCEL.EXE
    Key created\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exeEXCEL.EXE
    Key created\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\DefaultIconEXCEL.EXE
  • Suspicious behavior: AddClipboardFormatListener
    EXCEL.EXE

    Reported IOCs

    pidprocess
    872EXCEL.EXE
  • Suspicious behavior: EnumeratesProcesses
    vbc.exevbc.exewlanext.exe

    Reported IOCs

    pidprocess
    1288vbc.exe
    1288vbc.exe
    1288vbc.exe
    1288vbc.exe
    1288vbc.exe
    1288vbc.exe
    1188vbc.exe
    1188vbc.exe
    1640wlanext.exe
    1640wlanext.exe
    1640wlanext.exe
    1640wlanext.exe
    1640wlanext.exe
    1640wlanext.exe
    1640wlanext.exe
    1640wlanext.exe
    1640wlanext.exe
    1640wlanext.exe
    1640wlanext.exe
    1640wlanext.exe
    1640wlanext.exe
    1640wlanext.exe
    1640wlanext.exe
    1640wlanext.exe
  • Suspicious behavior: GetForegroundWindowSpam
    Explorer.EXE

    Reported IOCs

    pidprocess
    1404Explorer.EXE
  • Suspicious behavior: MapViewOfSection
    vbc.exewlanext.exe

    Reported IOCs

    pidprocess
    1188vbc.exe
    1188vbc.exe
    1188vbc.exe
    1640wlanext.exe
    1640wlanext.exe
  • Suspicious use of AdjustPrivilegeToken
    vbc.exevbc.exewlanext.exeExplorer.EXE

    Reported IOCs

    descriptionpidprocess
    Token: SeDebugPrivilege1288vbc.exe
    Token: SeDebugPrivilege1188vbc.exe
    Token: SeDebugPrivilege1640wlanext.exe
    Token: SeShutdownPrivilege1404Explorer.EXE
    Token: SeShutdownPrivilege1404Explorer.EXE
    Token: SeShutdownPrivilege1404Explorer.EXE
    Token: SeShutdownPrivilege1404Explorer.EXE
    Token: SeShutdownPrivilege1404Explorer.EXE
  • Suspicious use of SetWindowsHookEx
    EXCEL.EXE

    Reported IOCs

    pidprocess
    872EXCEL.EXE
    872EXCEL.EXE
    872EXCEL.EXE
  • Suspicious use of WriteProcessMemory
    EQNEDT32.EXEvbc.exeExplorer.EXEwlanext.exe

    Reported IOCs

    descriptionpidprocesstarget process
    PID 1124 wrote to memory of 12881124EQNEDT32.EXEvbc.exe
    PID 1124 wrote to memory of 12881124EQNEDT32.EXEvbc.exe
    PID 1124 wrote to memory of 12881124EQNEDT32.EXEvbc.exe
    PID 1124 wrote to memory of 12881124EQNEDT32.EXEvbc.exe
    PID 1288 wrote to memory of 11881288vbc.exevbc.exe
    PID 1288 wrote to memory of 11881288vbc.exevbc.exe
    PID 1288 wrote to memory of 11881288vbc.exevbc.exe
    PID 1288 wrote to memory of 11881288vbc.exevbc.exe
    PID 1288 wrote to memory of 11881288vbc.exevbc.exe
    PID 1288 wrote to memory of 11881288vbc.exevbc.exe
    PID 1288 wrote to memory of 11881288vbc.exevbc.exe
    PID 1404 wrote to memory of 16401404Explorer.EXEwlanext.exe
    PID 1404 wrote to memory of 16401404Explorer.EXEwlanext.exe
    PID 1404 wrote to memory of 16401404Explorer.EXEwlanext.exe
    PID 1404 wrote to memory of 16401404Explorer.EXEwlanext.exe
    PID 1640 wrote to memory of 17361640wlanext.execmd.exe
    PID 1640 wrote to memory of 17361640wlanext.execmd.exe
    PID 1640 wrote to memory of 17361640wlanext.execmd.exe
    PID 1640 wrote to memory of 17361640wlanext.execmd.exe
Processes 7
  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    Suspicious behavior: GetForegroundWindowSpam
    Suspicious use of AdjustPrivilegeToken
    Suspicious use of WriteProcessMemory
    PID:1404
    • 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\PO doc 42782.xlsx"
      Enumerates system info in registry
      Modifies Internet Explorer settings
      Modifies registry class
      Suspicious behavior: AddClipboardFormatListener
      Suspicious use of SetWindowsHookEx
      PID:872
    • C:\Windows\SysWOW64\wlanext.exe
      "C:\Windows\SysWOW64\wlanext.exe"
      Suspicious use of SetThreadContext
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:1640
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Public\vbc.exe"
        PID:1736
  • C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE
    "C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE" -Embedding
    Blocklisted process makes network request
    Loads dropped DLL
    Launches Equation Editor
    Suspicious use of WriteProcessMemory
    PID:1124
    • C:\Users\Public\vbc.exe
      "C:\Users\Public\vbc.exe"
      Executes dropped EXE
      Suspicious use of SetThreadContext
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:1288
      • C:\Users\Public\vbc.exe
        "C:\Users\Public\vbc.exe"
        Executes dropped EXE
        Suspicious use of SetThreadContext
        Suspicious behavior: EnumeratesProcesses
        Suspicious behavior: MapViewOfSection
        Suspicious use of AdjustPrivilegeToken
        PID:1188
Network
MITRE ATT&CK Matrix
Collection
    Command and Control
      Credential Access
        Defense Evasion
        Exfiltration
          Impact
            Initial Access
              Lateral Movement
                Persistence
                  Privilege Escalation
                    Replay Monitor
                    00:00 00:00
                    Downloads
                    • C:\Users\Public\vbc.exe

                      MD5

                      6923309c1cf759930f67710ac9dfd328

                      SHA1

                      e74291e311e8466dd7222a2eb3779848385dd3fa

                      SHA256

                      3c4aa39e200cb4303a3e5970bbedb5a1bb1baa656c3fc2286f82392a91e4a4ea

                      SHA512

                      993dbcc6063f3a1b293fb3e2c794f1f817a4703d5b21154fc47e02998f72e334cca38b820c6f657a8345775690eed93f2a8f9202b453490735bc89cebf3ecbd5

                    • C:\Users\Public\vbc.exe

                      MD5

                      6923309c1cf759930f67710ac9dfd328

                      SHA1

                      e74291e311e8466dd7222a2eb3779848385dd3fa

                      SHA256

                      3c4aa39e200cb4303a3e5970bbedb5a1bb1baa656c3fc2286f82392a91e4a4ea

                      SHA512

                      993dbcc6063f3a1b293fb3e2c794f1f817a4703d5b21154fc47e02998f72e334cca38b820c6f657a8345775690eed93f2a8f9202b453490735bc89cebf3ecbd5

                    • C:\Users\Public\vbc.exe

                      MD5

                      6923309c1cf759930f67710ac9dfd328

                      SHA1

                      e74291e311e8466dd7222a2eb3779848385dd3fa

                      SHA256

                      3c4aa39e200cb4303a3e5970bbedb5a1bb1baa656c3fc2286f82392a91e4a4ea

                      SHA512

                      993dbcc6063f3a1b293fb3e2c794f1f817a4703d5b21154fc47e02998f72e334cca38b820c6f657a8345775690eed93f2a8f9202b453490735bc89cebf3ecbd5

                    • \Users\Public\vbc.exe

                      MD5

                      6923309c1cf759930f67710ac9dfd328

                      SHA1

                      e74291e311e8466dd7222a2eb3779848385dd3fa

                      SHA256

                      3c4aa39e200cb4303a3e5970bbedb5a1bb1baa656c3fc2286f82392a91e4a4ea

                      SHA512

                      993dbcc6063f3a1b293fb3e2c794f1f817a4703d5b21154fc47e02998f72e334cca38b820c6f657a8345775690eed93f2a8f9202b453490735bc89cebf3ecbd5

                    • \Users\Public\vbc.exe

                      MD5

                      6923309c1cf759930f67710ac9dfd328

                      SHA1

                      e74291e311e8466dd7222a2eb3779848385dd3fa

                      SHA256

                      3c4aa39e200cb4303a3e5970bbedb5a1bb1baa656c3fc2286f82392a91e4a4ea

                      SHA512

                      993dbcc6063f3a1b293fb3e2c794f1f817a4703d5b21154fc47e02998f72e334cca38b820c6f657a8345775690eed93f2a8f9202b453490735bc89cebf3ecbd5

                    • \Users\Public\vbc.exe

                      MD5

                      6923309c1cf759930f67710ac9dfd328

                      SHA1

                      e74291e311e8466dd7222a2eb3779848385dd3fa

                      SHA256

                      3c4aa39e200cb4303a3e5970bbedb5a1bb1baa656c3fc2286f82392a91e4a4ea

                      SHA512

                      993dbcc6063f3a1b293fb3e2c794f1f817a4703d5b21154fc47e02998f72e334cca38b820c6f657a8345775690eed93f2a8f9202b453490735bc89cebf3ecbd5

                    • \Users\Public\vbc.exe

                      MD5

                      6923309c1cf759930f67710ac9dfd328

                      SHA1

                      e74291e311e8466dd7222a2eb3779848385dd3fa

                      SHA256

                      3c4aa39e200cb4303a3e5970bbedb5a1bb1baa656c3fc2286f82392a91e4a4ea

                      SHA512

                      993dbcc6063f3a1b293fb3e2c794f1f817a4703d5b21154fc47e02998f72e334cca38b820c6f657a8345775690eed93f2a8f9202b453490735bc89cebf3ecbd5

                    • memory/872-85-0x000000005FFF0000-0x0000000060000000-memory.dmp

                    • memory/872-55-0x00000000712B1000-0x00000000712B3000-memory.dmp

                    • memory/872-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

                    • memory/872-54-0x000000002FCF1000-0x000000002FCF4000-memory.dmp

                    • memory/1124-57-0x00000000751D1000-0x00000000751D3000-memory.dmp

                    • memory/1188-72-0x0000000000400000-0x000000000042E000-memory.dmp

                    • memory/1188-76-0x0000000000C60000-0x0000000000F63000-memory.dmp

                    • memory/1188-73-0x000000000041EB80-mapping.dmp

                    • memory/1188-77-0x00000000001C0000-0x00000000001D4000-memory.dmp

                    • memory/1188-71-0x0000000000400000-0x000000000042E000-memory.dmp

                    • memory/1188-70-0x0000000000400000-0x000000000042E000-memory.dmp

                    • memory/1288-69-0x0000000000B10000-0x0000000000B5F000-memory.dmp

                    • memory/1288-68-0x00000000073A0000-0x00000000073A1000-memory.dmp

                    • memory/1288-67-0x0000000000430000-0x0000000000437000-memory.dmp

                    • memory/1288-65-0x00000000008F0000-0x00000000008F1000-memory.dmp

                    • memory/1288-62-0x0000000000000000-mapping.dmp

                    • memory/1404-78-0x00000000068E0000-0x00000000069C2000-memory.dmp

                    • memory/1404-86-0x0000000007990000-0x0000000007AC7000-memory.dmp

                    • memory/1640-82-0x0000000001F20000-0x0000000002223000-memory.dmp

                    • memory/1640-80-0x0000000000B00000-0x0000000000B16000-memory.dmp

                    • memory/1640-84-0x0000000000940000-0x00000000009D3000-memory.dmp

                    • memory/1640-79-0x0000000000000000-mapping.dmp

                    • memory/1640-81-0x0000000000110000-0x000000000013E000-memory.dmp

                    • memory/1736-83-0x0000000000000000-mapping.dmp