Analysis

  • max time kernel
    50s
  • max time network
    141s
  • platform
    windows10_x64
  • resource
    win10-20220414-en
  • submitted
    30-06-2022 09:13

General

  • Target

    b1b70acd60b7bdb9d1457e05b16256b7e6f37b1b146ffde6a21b2fd53da39de5.dll

  • Size

    425KB

  • MD5

    2613e7c1b5f3fae8589a2c31ab700160

  • SHA1

    ba39d289d9be371e4961681c2345e07db3edbcee

  • SHA256

    b1b70acd60b7bdb9d1457e05b16256b7e6f37b1b146ffde6a21b2fd53da39de5

  • SHA512

    18f1120b19f03bb79b8223d6c34a8f927055d725cc445ed84c09ec4c8e245fdce7e793484417616c1a92a069b9ba3a6e5cdd42a7724b0158495f92eba2419e53

Malware Config

Extracted

Family

emotet

Botnet

Epoch4

C2

172.104.251.154:8080

51.161.73.194:443

101.50.0.91:8080

91.207.28.33:8080

119.193.124.41:7080

150.95.66.124:8080

103.132.242.26:8080

37.187.115.122:8080

172.105.226.75:8080

131.100.24.231:80

196.218.30.83:443

79.137.35.198:8080

103.75.201.2:443

82.223.21.224:8080

153.126.146.25:7080

146.59.226.45:443

209.97.163.214:443

186.194.240.217:443

197.242.150.244:8080

45.118.115.99:8080

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 6 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\b1b70acd60b7bdb9d1457e05b16256b7e6f37b1b146ffde6a21b2fd53da39de5.dll
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: RenamesItself
    • Suspicious use of WriteProcessMemory
    PID:1888
    • C:\Windows\system32\regsvr32.exe
      C:\Windows\system32\regsvr32.exe "C:\Windows\system32\AkRPyQHxdGpeJR\OgLXHtkpfqAczw.dll"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:3880

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/1888-117-0x0000000002640000-0x0000000002694000-memory.dmp
    Filesize

    336KB

  • memory/3880-123-0x0000000000000000-mapping.dmp