Analysis

  • max time kernel
    266s
  • max time network
    268s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    26-01-2021 10:21

General

  • Target

    3bed3f35eef7408b99bb784ecc8095a422dec91dfe5d0a8e22f55658a0851bed.dll

  • Size

    617KB

  • MD5

    b3e1f352253c08c9c2ddecb134a4b267

  • SHA1

    6caecc6fd9d6b09d093f5cc6f57e0ba023b3c749

  • SHA256

    3bed3f35eef7408b99bb784ecc8095a422dec91dfe5d0a8e22f55658a0851bed

  • SHA512

    6b4c08ec42f484976a1c400e08301549456d1e29588142d443975d3982e7fba939b57a2fa1dad6b99f396dc6cfaf4500ee6f26936bcdb3b033967e7caf1898d5

Malware Config

Extracted

Family

emotet

Botnet

Epoch1

C2

84.232.229.24:80

51.255.203.164:8080

217.160.169.110:8080

185.183.16.47:80

190.45.24.210:80

187.162.248.237:80

93.146.143.191:80

185.94.252.27:443

143.0.85.206:7080

80.15.100.37:80

85.105.239.184:443

94.176.234.118:443

62.84.75.50:80

137.74.106.111:7080

172.104.169.32:8080

46.105.114.137:8080

94.126.8.1:80

78.206.229.130:80

93.149.120.214:80

192.175.111.212:7080

rsa_pubkey.plain

Signatures

  • Emotet

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

  • Blocklisted process makes network request 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\3bed3f35eef7408b99bb784ecc8095a422dec91dfe5d0a8e22f55658a0851bed.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3884
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\3bed3f35eef7408b99bb784ecc8095a422dec91dfe5d0a8e22f55658a0851bed.dll,#1
      2⤵
      • Blocklisted process makes network request
      • Suspicious behavior: EnumeratesProcesses
      PID:3172

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/3172-2-0x0000000000000000-mapping.dmp
  • memory/3172-3-0x0000000003DA1000-0x0000000003E04000-memory.dmp
    Filesize

    396KB

  • memory/3172-4-0x0000000003FF0000-0x0000000004017000-memory.dmp
    Filesize

    156KB

  • memory/3172-5-0x0000000003DA0000-0x0000000003DC4000-memory.dmp
    Filesize

    144KB