Analysis

  • max time kernel
    141s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-01-2023 18:58

General

  • Target

    5f4321d6cab1545344c0bbcbc76a0ba2.dll

  • Size

    547KB

  • MD5

    5f4321d6cab1545344c0bbcbc76a0ba2

  • SHA1

    0bc8f623c43bbd5f4411ca65aaeea3937f11bedd

  • SHA256

    95700067aa7b2852e7c7ce0b827857b3231ce44afffec7b12f35faf12881b499

  • SHA512

    21337af9fb4936bb757a344ec60778cfb10f1bc13c9bb22f9f9931be985b593d3858ca86d6ec11f1c78d517260172556bc7bc46d41df3df85a435eff0751eb32

  • SSDEEP

    12288:W+JYobIU5CLB3GW6RpXoM6k8E/lnn7NAdLT1:WZ3GWm9ok8e7NA5T1

Malware Config

Extracted

Family

emotet

Botnet

Epoch5

C2

198.199.126.144:443

103.42.57.17:8080

195.154.146.35:443

104.131.62.48:8080

116.124.128.206:8080

54.38.242.185:443

217.182.143.207:443

66.42.57.149:443

185.148.168.220:8080

37.44.244.177:8080

78.47.204.80:443

173.203.78.138:443

190.90.233.66:443

203.153.216.46:443

54.37.106.167:8080

194.9.172.107:8080

168.197.250.14:80

185.184.25.78:8080

191.252.103.16:80

159.69.237.188:443

eck1.plain
ecs1.plain

Signatures

  • Emotet

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

  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\5f4321d6cab1545344c0bbcbc76a0ba2.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4988
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\5f4321d6cab1545344c0bbcbc76a0ba2.dll
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3584
      • C:\Windows\SysWOW64\rundll32.exe
        C:\Windows\SysWOW64\rundll32.exe "C:\Users\Admin\AppData\Local\Temp\5f4321d6cab1545344c0bbcbc76a0ba2.dll",DllRegisterServer
        3⤵
          PID:5116

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/3584-132-0x0000000000000000-mapping.dmp
    • memory/3584-133-0x0000000010000000-0x0000000010025000-memory.dmp
      Filesize

      148KB

    • memory/5116-136-0x0000000000000000-mapping.dmp