Analysis

  • max time kernel
    149s
  • max time network
    165s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220310-en
  • submitted
    16/03/2022, 12:39

General

  • Target
    e878de8cc243503803f6000cb756673e.dll
  • Size 664KB
  • Sample220316-pvmtfadgd2
  • SHA256 a3a1af592b33bbf757eb527d3434bd9f2cc48d314f65c2021ed1cf9a092e7fae
  • 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.

  • Loads dropped DLL 1 IoCs
  • Drops file in System32 directory 3 IoCs
  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies data under HKEY_USERS 6 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\e878de8cc243503803f6000cb756673e.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3296
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\e878de8cc243503803f6000cb756673e.dll
      2⤵
      • Drops file in System32 directory
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:4384
      • C:\Windows\SysWOW64\regsvr32.exe
        C:\Windows\SysWOW64\regsvr32.exe /s "C:\Windows\SysWOW64\Rtnltqup\kzxlkq.tov"
        3⤵
        • Loads dropped DLL
        • Suspicious behavior: EnumeratesProcesses
        PID:2312
  • C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k netsvcs -p
    1⤵
    • Drops file in System32 directory
    • Checks processor information in registry
    • Enumerates system info in registry
    PID:3532
  • C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k LocalService -p -s LicenseManager
    1⤵
    • Modifies data under HKEY_USERS
    PID:4400

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/2312-139-0x0000000000A00000-0x0000000000A34000-memory.dmp

        memory/4384-134-0x0000000002FA0000-0x0000000002FD4000-memory.dmp