Analysis

  • max time kernel
    141s
  • max time network
    155s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    22-05-2022 05:19

General

  • Target

    bziyslsu.dll

  • Size

    412KB

  • MD5

    edc688c29a555f2075a58162a3724df5

  • SHA1

    1fa8a0352e93462a6f1c2dd00f77fe324c46341a

  • SHA256

    e9a89f2d9d16575a2a64111a2a0ad22885711ebc750839246cbd38999e00b73f

  • SHA512

    d9e0266b23c662eb1fe7756e671491c48784628feee3e0230a4417fa337b886151511d19033e65f384ac85a0d00856a852f78bcb4ef3030a452251d9dfda6f92

Malware Config

Extracted

Family

emotet

Botnet

Epoch5

C2

186.250.48.5:80

168.119.39.118:443

185.168.130.138:443

190.90.233.66:443

159.69.237.188:443

54.37.228.122:443

93.104.209.107:8080

185.148.168.15:8080

198.199.98.78:8080

87.106.97.83:7080

195.77.239.39:8080

37.44.244.177:8080

54.38.242.185:443

185.184.25.78:8080

116.124.128.206:8080

139.196.72.155:8080

128.199.192.135:8080

103.41.204.169:8080

78.47.204.80:443

68.183.93.250:443

eck1.plain
ecs1.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 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\bziyslsu.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2032
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\bziyslsu.dll
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:988

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/988-56-0x00000000759F1000-0x00000000759F3000-memory.dmp

    Filesize

    8KB

  • memory/988-57-0x00000000001D0000-0x00000000001F7000-memory.dmp

    Filesize

    156KB

  • memory/2032-54-0x000007FEFC2E1000-0x000007FEFC2E3000-memory.dmp

    Filesize

    8KB