Analysis

  • max time kernel
    135s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    25-04-2022 02:39

General

  • Target

    ykkzqekf.dll

  • Size

    664KB

  • MD5

    5c8b15dfdd2f021a32f8f0372bd11c3e

  • SHA1

    cb9ee23e2870751cfda17a689b8bddace918d506

  • SHA256

    f7ab0e91e0a5e8b63612255501ef463653879d563a0672e892755ddf3bda0fd0

  • SHA512

    e93ebaac8548e07a32e63f35e25aec5e531116f3d40e04fda059793ec78ed3b49ffe23e34732e74fa6aeeeaa4944bfab298844828fabe84fb131c022161e92de

Malware Config

Extracted

Family

emotet

Botnet

Epoch4

C2

149.56.128.192:443

120.50.40.183:80

160.16.218.63:8080

217.182.25.250:8080

119.193.124.41:7080

103.75.201.2:443

195.201.151.129:8080

131.100.24.231:80

159.65.88.10:8080

1.234.21.73:7080

5.9.116.246:8080

103.75.201.4:443

176.104.106.96:8080

138.185.72.26:8080

212.237.17.99:8080

72.15.201.15:8080

103.43.46.182:443

207.38.84.195:8080

46.55.222.11:443

1.234.2.232:8080

eck1.plain
ecs1.plain

Signatures

  • Emotet

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

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\ykkzqekf.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1756
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\ykkzqekf.dll
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:1284

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/1284-56-0x0000000075E51000-0x0000000075E53000-memory.dmp

    Filesize

    8KB

  • memory/1284-57-0x00000000005F0000-0x0000000000618000-memory.dmp

    Filesize

    160KB

  • memory/1756-54-0x000007FEFBA61000-0x000007FEFBA63000-memory.dmp

    Filesize

    8KB