Analysis

  • max time kernel
    124s
  • max time network
    124s
  • platform
    windows10_x64
  • resource
    win10-en-20211104
  • submitted
    30/11/2021, 17:52

General

  • Target
    9e38f28ead0bd1e89de7151fa67dd23d.dll
  • Size 628KB
  • Sample211130-wfqecaaha3
  • SHA256 40b97d07f5862204768fcb86d1782e3475fb28edaf6f5d3f085d452e7ce9992c
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • emotet

Botnet
  • Epoch4

C2
  • 46.55.222.11:443

  • 104.245.52.73:8080

  • 41.76.108.46:8080

  • 103.8.26.103:8080

  • 185.184.25.237:8080

  • 103.8.26.102:8080

  • 203.114.109.124:443

  • 45.118.115.99:8080

  • 178.79.147.66:8080

  • 58.227.42.236:80

  • 45.118.135.203:7080

  • 103.75.201.2:443

  • 195.154.133.20:443

  • 45.142.114.231:8080

  • 212.237.5.209:443

  • 207.38.84.195:8080

  • 104.251.214.46:8080

  • 212.237.17.99:8080

  • 212.237.56.116:7080

  • 216.158.226.206:443

eck1.plain
ecs1.plain

Signatures

  • Emotet

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

  • Blocklisted process makes network request 1 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.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\9e38f28ead0bd1e89de7151fa67dd23d.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4072
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\9e38f28ead0bd1e89de7151fa67dd23d.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3764
      • C:\Windows\SysWOW64\rundll32.exe
        C:\Windows\SysWOW64\rundll32.exe "C:\Users\Admin\AppData\Local\Temp\9e38f28ead0bd1e89de7151fa67dd23d.dll",Control_RunDLL
        3⤵
        • Drops file in System32 directory
        • Suspicious behavior: RenamesItself
        • Suspicious use of WriteProcessMemory
        PID:1136
        • C:\Windows\SysWOW64\rundll32.exe
          C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Goyqfrq\ebivylb.qzg",YrHSKFWhi
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:2188
          • C:\Windows\SysWOW64\rundll32.exe
            C:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Goyqfrq\ebivylb.qzg",Control_RunDLL
            5⤵
            • Blocklisted process makes network request
            • Suspicious behavior: EnumeratesProcesses
            PID:340

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/340-161-0x00000000054A0000-0x00000000054C7000-memory.dmp

        memory/340-158-0x00000000053C0000-0x00000000053E7000-memory.dmp

        memory/340-155-0x00000000051E0000-0x0000000005207000-memory.dmp

        memory/340-152-0x0000000005100000-0x0000000005127000-memory.dmp

        memory/340-149-0x0000000004BB0000-0x0000000004BD7000-memory.dmp

        memory/340-146-0x0000000001140000-0x0000000001167000-memory.dmp

        memory/1136-126-0x0000000004CA0000-0x0000000004CC7000-memory.dmp

        memory/1136-139-0x0000000005200000-0x0000000005227000-memory.dmp

        memory/1136-135-0x0000000005090000-0x00000000050B7000-memory.dmp

        memory/1136-132-0x0000000004F30000-0x0000000004F57000-memory.dmp

        memory/1136-129-0x0000000004D80000-0x0000000004DA7000-memory.dmp

        memory/1136-123-0x00000000047B0000-0x00000000047D7000-memory.dmp

        memory/2188-141-0x0000000003420000-0x0000000003447000-memory.dmp

        memory/3764-120-0x00000000032C0000-0x00000000032E7000-memory.dmp