Analysis

  • max time kernel
    46s
  • max time network
    139s
  • platform
    windows10_x64
  • resource
    win10-20220414-en
  • submitted
    21-05-2022 18:24

General

  • Target

    f103d874b6a7b8eda6f044f40dafd2303176dd12ba46bb2a8a3e809186219139.dll

  • Size

    356KB

  • MD5

    0e0f01c26fe0351252596a12ecba1208

  • SHA1

    f75bd6bb0c7b9be6d8ed89bce402e604b1df423d

  • SHA256

    f103d874b6a7b8eda6f044f40dafd2303176dd12ba46bb2a8a3e809186219139

  • SHA512

    fb9a514cf4510f5c9e3c7c19339686edde2d37b7bc73ebdc24a069b5c02f34622daa7136e768ab1c757a3f7a1f1a47b06c40ef1df09e68c0dac26af20ea67c0b

Malware Config

Extracted

Family

emotet

Botnet

Epoch4

C2

212.24.98.99:8080

51.91.76.89:8080

94.23.45.86:4143

101.50.0.91:8080

103.43.75.120:443

212.237.17.99:8080

158.69.222.101:443

51.254.140.238:7080

1.234.2.232:8080

91.207.28.33:8080

167.172.253.162:8080

45.235.8.30:8080

115.68.227.76:8080

134.122.66.193:8080

89.29.244.7:443

197.242.150.244:8080

164.68.99.3:8080

5.9.116.246:8080

1.234.21.73:7080

131.100.24.231:80

eck1.plain
eck1.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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\f103d874b6a7b8eda6f044f40dafd2303176dd12ba46bb2a8a3e809186219139.dll
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of WriteProcessMemory
    PID:3580
    • C:\Windows\system32\regsvr32.exe
      C:\Windows\system32\regsvr32.exe "C:\Windows\system32\ObYDrzYF\CbuST.dll"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:3480

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/3480-121-0x0000000000000000-mapping.dmp
  • memory/3580-116-0x0000000180000000-0x000000018002F000-memory.dmp
    Filesize

    188KB