Analysis

  • max time kernel
    261s
  • max time network
    264s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    26-01-2021 07:04

General

  • Target

    337e1855440c47ead81d708aa8b04a25df2891f75e258558468028fd3ed45559.dll

  • Size

    609KB

  • MD5

    5a069bd3fe1dc1b05aded216c6237de7

  • SHA1

    e1163885bc01b51e55cdbe40eae80ab3db085e51

  • SHA256

    337e1855440c47ead81d708aa8b04a25df2891f75e258558468028fd3ed45559

  • SHA512

    aeca1264835ca7c5effa2a6f244f277ee17089226bddcb172efc7d3200a6fd045ff55067f9253ce89ec8a583fbdda28e041f308cce9cfa5bd8c97c35253ad257

Malware Config

Extracted

Family

emotet

Botnet

Epoch3

C2

190.55.186.229:80

203.157.152.9:7080

157.245.145.87:443

132.248.38.158:80

110.172.180.180:8080

70.32.89.105:8080

161.49.84.2:80

37.46.129.215:8080

50.116.78.109:8080

115.79.195.246:80

178.62.254.156:8080

175.103.38.146:80

188.226.165.170:8080

91.93.3.85:8080

162.144.145.58:8080

117.2.139.117:443

190.85.46.52:7080

201.193.160.196:80

152.32.75.74:443

195.201.56.70:8080

rsa_pubkey.plain

Signatures

  • Emotet

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

  • Blocklisted process makes network request 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\337e1855440c47ead81d708aa8b04a25df2891f75e258558468028fd3ed45559.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4776
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\337e1855440c47ead81d708aa8b04a25df2891f75e258558468028fd3ed45559.dll,#1
      2⤵
      • Blocklisted process makes network request
      • Suspicious behavior: EnumeratesProcesses
      PID:4884

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/4884-2-0x0000000000000000-mapping.dmp
  • memory/4884-3-0x0000000000CC1000-0x0000000000D24000-memory.dmp
    Filesize

    396KB

  • memory/4884-5-0x0000000000CC0000-0x0000000000CE3000-memory.dmp
    Filesize

    140KB

  • memory/4884-4-0x00000000009D0000-0x00000000009F5000-memory.dmp
    Filesize

    148KB