Analysis

  • max time kernel
    155s
  • max time network
    163s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220310-en
  • submitted
    23/03/2022, 09:10

General

  • Target
    86587a8aa1e46d2f5cdccfc0a2b7147d69c680d62f65a464acb3a4297acd15bc.dll
  • Size 668KB
  • Sample220323-k5czrsfffr
  • SHA256 86587a8aa1e46d2f5cdccfc0a2b7147d69c680d62f65a464acb3a4297acd15bc
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • emotet

Botnet
  • Epoch5

C2
  • 165.22.61.235:443

  • 121.78.112.42:8080

  • 216.10.251.121:8080

  • 195.77.239.39:8080

  • 195.154.146.35:443

  • 68.183.93.250:443

  • 139.196.72.155:8080

  • 194.9.172.107:8080

  • 196.44.98.190:8080

  • 128.199.192.135:8080

  • 5.56.132.177:8080

  • 78.46.73.125:443

  • 87.106.97.83:7080

  • 66.42.57.149:443

  • 37.44.244.177:8080

  • 190.90.233.66:443

  • 203.153.216.46:443

  • 207.148.81.119:8080

  • 103.41.204.169:8080

  • 104.131.62.48:8080

eck1.plain
ecs1.plain

Signatures

  • Emotet

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

  • suricata: ET MALWARE W32/Emotet CnC Beacon 3

    suricata: ET MALWARE W32/Emotet CnC Beacon 3

  • Drops file in System32 directory 6 IoCs
  • Modifies data under HKEY_USERS 16 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\86587a8aa1e46d2f5cdccfc0a2b7147d69c680d62f65a464acb3a4297acd15bc.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1012
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\86587a8aa1e46d2f5cdccfc0a2b7147d69c680d62f65a464acb3a4297acd15bc.dll
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:400
  • C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k netsvcs -p
    1⤵
    • Drops file in System32 directory
    PID:4308
  • C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k LocalService -p -s LicenseManager
    1⤵
    • Modifies data under HKEY_USERS
    PID:1096

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/400-135-0x0000000002A60000-0x0000000002A87000-memory.dmp