Analysis

  • max time kernel
    4294181s
  • max time network
    130s
  • platform
    windows7_x64
  • resource
    win7-20220223-en
  • submitted
    28/02/2022, 23:17

General

  • Target
    73e7745f6b8f0bafa0f646cf57d54d71.dll
  • Size 516KB
  • Sample220228-29pb2afcf3
  • SHA256 88e62d810f2a6fc3741d0a2bb54892f656390c7cd3c7de824eae08dba500b3e2
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • emotet

Botnet
  • Epoch5

C2
  • 185.168.130.138:443

  • 168.197.250.14:80

  • 61.7.231.229:443

  • 62.171.178.147:8080

  • 93.104.209.107:8080

  • 37.44.244.177:8080

  • 198.199.98.78:8080

  • 139.196.72.155:8080

  • 185.148.168.15:8080

  • 45.71.195.104:8080

  • 207.148.81.119:8080

  • 203.153.216.46:443

  • 87.106.97.83:7080

  • 128.199.192.135:8080

  • 54.38.242.185:443

  • 185.184.25.78:8080

  • 118.98.72.86:443

  • 54.37.106.167:8080

  • 59.148.253.194:443

  • 78.47.204.80:443

eck1.plain
ecs1.plain

Signatures

  • Emotet

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

  • 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\73e7745f6b8f0bafa0f646cf57d54d71.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1652
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\73e7745f6b8f0bafa0f646cf57d54d71.dll
      2⤵
      • Drops file in System32 directory
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:600
      • C:\Windows\SysWOW64\regsvr32.exe
        C:\Windows\SysWOW64\regsvr32.exe /s "C:\Windows\SysWOW64\Bvksjzvbsxhnwsk\xnnllufatgbxjm.ehm"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:776

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/600-55-0x0000000075811000-0x0000000075813000-memory.dmp

        memory/600-56-0x0000000000480000-0x00000000004A7000-memory.dmp

        memory/776-59-0x00000000008C0000-0x00000000008E7000-memory.dmp

        memory/1652-54-0x000007FEFC231000-0x000007FEFC233000-memory.dmp