Analysis

  • max time kernel
    137s
  • max time network
    165s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220331-en
  • submitted
    04/04/2022, 12:30

General

  • Target
    927af9c8f041d2535a5ede3ca7240e4c.dll
  • Size 480KB
  • Sample220404-ppf4psefc7
  • SHA256 ef0c7c1865ef5b96ec8696a876e80b6ab5f4becf79ca118be7df53f66078af6a
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • emotet

Botnet
  • Epoch5

C2
  • 5.189.160.61:443

  • 94.177.178.26:8080

  • 202.29.239.162:443

  • 54.38.143.246:7080

  • 119.59.125.140:8080

  • 185.148.168.15:8080

  • 188.166.229.148:443

  • 2.58.16.87:8080

  • 104.131.62.48:8080

  • 103.82.248.59:7080

  • 37.59.209.141:8080

  • 103.133.214.242:8080

  • 195.77.239.39:8080

  • 128.199.192.135:8080

  • 78.47.204.80:443

  • 59.148.253.194:443

  • 87.106.97.83:7080

  • 45.71.195.104:8080

  • 85.214.67.203:8080

  • 139.196.72.155:8080

eck1.plain
ecs1.plain

Signatures

  • Emotet

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

  • Loads dropped DLL 1 IoCs
  • Drops file in System32 directory 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\927af9c8f041d2535a5ede3ca7240e4c.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4628
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\927af9c8f041d2535a5ede3ca7240e4c.dll
      2⤵
      • Drops file in System32 directory
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:3580
      • C:\Windows\SysWOW64\regsvr32.exe
        C:\Windows\SysWOW64\regsvr32.exe /s "C:\Windows\SysWOW64\Ympnnartbp\cmef.lax"
        3⤵
        • Loads dropped DLL
        • Suspicious behavior: EnumeratesProcesses
        PID:1792

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        cmef.lax

        • Path C:\Windows\SysWOW64\Ympnnartbp\cmef.lax
        • Size 480KB
        • SHA256 ef0c7c1865ef5b96ec8696a876e80b6ab5f4becf79ca118be7df53f66078af6a
        • MD5 SHA1 SHA512 SSDEEP

        memory/1792-130-0x00000000027A0000-0x00000000027C3000-memory.dmp

        memory/3580-125-0x0000000000EC0000-0x0000000000EE3000-memory.dmp