Analysis

  • max time kernel
    62s
  • max time network
    136s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    25-01-2021 20:25

General

  • Target

    b9cf8f7b8020040761b8db561f5937ca3128366cdcbe10ce56e47944eaa34040.dll

  • Size

    614KB

  • MD5

    0f9d7fc7576b58567c23ca699553e98e

  • SHA1

    43d2b75b57ed79d93ea11acd409647c1a6e1f5e4

  • SHA256

    b9cf8f7b8020040761b8db561f5937ca3128366cdcbe10ce56e47944eaa34040

  • SHA512

    ab7603725399525f3e45d7b6f2b30daff36c4dcdd4ba1035a924cd5cbb46638793dbdb892efef81b7b5d52a7a449ea8466b74cd2dcee6db143ca7755a5289e31

Malware Config

Extracted

Family

emotet

Botnet

Epoch2

C2

69.38.130.14:80

195.159.28.230:8080

162.241.204.233:8080

181.165.68.127:80

49.205.182.134:80

190.251.200.206:80

139.59.60.244:8080

119.59.116.21:8080

89.216.122.92:80

185.94.252.104:443

70.92.118.112:80

78.24.219.147:8080

173.70.61.180:80

87.106.139.101:8080

66.57.108.14:443

24.179.13.119:80

121.124.124.40:7080

61.19.246.238:443

200.116.145.225:443

93.146.48.84:80

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\b9cf8f7b8020040761b8db561f5937ca3128366cdcbe10ce56e47944eaa34040.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3564
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\b9cf8f7b8020040761b8db561f5937ca3128366cdcbe10ce56e47944eaa34040.dll,#1
      2⤵
      • Blocklisted process makes network request
      • Suspicious behavior: EnumeratesProcesses
      PID:1872

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/1872-2-0x0000000000000000-mapping.dmp

  • memory/1872-3-0x0000000004B30000-0x0000000004B56000-memory.dmp

    Filesize

    152KB

  • memory/1872-4-0x0000000000400000-0x0000000000423000-memory.dmp

    Filesize

    140KB