Analysis

  • max time kernel
    146s
  • max time network
    148s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    09/11/2020, 21:34

General

  • Target
    7dfd41c0252e5f8a7575edb1483e18b98787c692a9d6eca306f336711931fe7f.exe
  • Size 201KB
  • Sample201109-r91jnhs8vx
  • SHA256 7dfd41c0252e5f8a7575edb1483e18b98787c692a9d6eca306f336711931fe7f
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • emotet

Botnet
  • Epoch1

C2
  • 172.104.233.225:8080

  • 70.32.78.99:8080

  • 213.189.36.51:8080

  • 107.170.27.84:443

  • 186.23.132.93:990

  • 189.252.3.161:443

  • 80.85.87.122:8080

  • 91.83.93.124:7080

  • 149.62.173.247:8080

  • 68.183.190.199:8080

  • 212.71.237.140:8080

  • 190.195.129.227:8090

  • 87.118.70.69:8080

  • 88.250.223.190:8080

  • 87.106.77.40:7080

  • 94.183.71.206:7080

  • 170.130.31.177:8080

  • 203.25.159.3:8080

  • 109.169.86.13:8080

  • 190.210.184.138:995

rsa_pubkey.plain

Signatures

  • Emotet

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

  • Drops file in System32 directory 5 IoCs
  • Modifies data under HKEY_USERS 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7dfd41c0252e5f8a7575edb1483e18b98787c692a9d6eca306f336711931fe7f.exe
    "C:\Users\Admin\AppData\Local\Temp\7dfd41c0252e5f8a7575edb1483e18b98787c692a9d6eca306f336711931fe7f.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1056
    • C:\Users\Admin\AppData\Local\Temp\7dfd41c0252e5f8a7575edb1483e18b98787c692a9d6eca306f336711931fe7f.exe
      --15aa67ef
      2⤵
      • Suspicious behavior: RenamesItself
      PID:2672
  • C:\Windows\SysWOW64\iaspublish.exe
    "C:\Windows\SysWOW64\iaspublish.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3628
    • C:\Windows\SysWOW64\iaspublish.exe
      --db49be6
      2⤵
      • Drops file in System32 directory
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      PID:2608

Network

        MITRE ATT&CK Matrix

        Replay Monitor

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        Downloads

        memory/1056-0-0x00000000009E0000-0x00000000009F7000-memory.dmp

        memory/2608-6-0x0000000000890000-0x00000000008A7000-memory.dmp

        memory/2672-2-0x0000000000580000-0x0000000000597000-memory.dmp

        memory/3628-3-0x0000000000750000-0x0000000000767000-memory.dmp