Analysis

  • max time kernel
    4294178s
  • max time network
    140s
  • platform
    windows7_x64
  • resource
    win7-20220223-en
  • submitted
    24/02/2022, 00:03

General

  • Target
    emotet_exe_e4_91c3af356538ebda04d12492c0beb6df24ae786624f5e21d1dcd4407647be0a5_2022-02-24__000212.dll
  • Size 664KB
  • Sample220224-ab3cfschgp
  • SHA256 91c3af356538ebda04d12492c0beb6df24ae786624f5e21d1dcd4407647be0a5
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • emotet

Botnet
  • Epoch4

C2
  • 135.148.121.246:8080

  • 213.190.4.223:7080

  • 175.107.196.192:80

  • 46.55.222.11:443

  • 153.126.203.229:8080

  • 138.185.72.26:8080

  • 45.118.135.203:7080

  • 107.182.225.142:8080

  • 195.154.133.20:443

  • 79.172.212.216:8080

  • 129.232.188.93:443

  • 50.30.40.196:8080

  • 131.100.24.231:80

  • 58.227.42.236:80

  • 216.158.226.206:443

  • 45.118.115.99:8080

  • 51.254.140.238:7080

  • 173.212.193.249:8080

  • 110.232.117.186:8080

  • 81.0.236.90:443

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 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\emotet_exe_e4_91c3af356538ebda04d12492c0beb6df24ae786624f5e21d1dcd4407647be0a5_2022-02-24__000212.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:960
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\emotet_exe_e4_91c3af356538ebda04d12492c0beb6df24ae786624f5e21d1dcd4407647be0a5_2022-02-24__000212.dll
      2⤵
      • Drops file in System32 directory
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:1076
      • C:\Windows\SysWOW64\regsvr32.exe
        C:\Windows\SysWOW64\regsvr32.exe /s "C:\Windows\SysWOW64\Uucrwjiizjqwlcdy\fyvzsfn.ech"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:1104

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/960-54-0x000007FEFBD31000-0x000007FEFBD33000-memory.dmp

        memory/1076-55-0x0000000075131000-0x0000000075133000-memory.dmp

        memory/1076-56-0x0000000000910000-0x0000000000936000-memory.dmp

        memory/1104-59-0x0000000000710000-0x0000000000736000-memory.dmp