Analysis

  • max time kernel
    48s
  • max time network
    63s
  • platform
    windows10_x64
  • resource
    win10-de-20211014
  • submitted
    25-11-2021 16:33

General

  • Target

    c8d7bcd8f10976c15d7139e1556941616271d95c742cdc9510016843727088d8.dll

  • Size

    653KB

  • MD5

    2482f65d095ea9d7c40c70422112ef90

  • SHA1

    f5a7bf957fd7bb57991e68a204a8a9e7a2bcd834

  • SHA256

    c8d7bcd8f10976c15d7139e1556941616271d95c742cdc9510016843727088d8

  • SHA512

    4f15cdf511fe078d1073c9c53e25c4f3f23f5ded3cf16dfb6eabb7afa6f3fea6ef59af61c33b76a3c8ad613e0ccedcbf65fa9dc52ea270c4422e46c7f05c1688

Malware Config

Extracted

Family

emotet

Botnet

Epoch5

C2

51.178.61.60:443

168.197.250.14:80

45.79.33.48:8080

196.44.98.190:8080

177.72.80.14:7080

51.210.242.234:8080

185.148.169.10:8080

142.4.219.173:8080

78.47.204.80:443

78.46.73.125:443

37.44.244.177:8080

37.59.209.141:8080

191.252.103.16:80

54.38.242.185:443

85.214.67.203:8080

54.37.228.122:443

207.148.81.119:8080

195.77.239.39:8080

66.42.57.149:443

195.154.146.35:443

eck1.plain
ecs1.plain

Signatures

  • Emotet

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

  • Registers COM server for autorun 1 TTPs
  • suricata: ET MALWARE ABUSE.CH SSL Blacklist Malicious SSL certificate detected (Dridex/Trickbot CnC)

    suricata: ET MALWARE ABUSE.CH SSL Blacklist Malicious SSL certificate detected (Dridex/Trickbot CnC)

  • suricata: ET MALWARE W32/Emotet CnC Beacon 3

    suricata: ET MALWARE W32/Emotet CnC Beacon 3

  • Blocklisted process makes network request 2 IoCs
  • Modifies registry class 44 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\c8d7bcd8f10976c15d7139e1556941616271d95c742cdc9510016843727088d8.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:516
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\c8d7bcd8f10976c15d7139e1556941616271d95c742cdc9510016843727088d8.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:588
      • C:\Windows\SysWOW64\rundll32.exe
        C:\Windows\SysWOW64\rundll32.exe "C:\Users\Admin\AppData\Local\Temp\c8d7bcd8f10976c15d7139e1556941616271d95c742cdc9510016843727088d8.dll",Control_RunDLL
        3⤵
        • Blocklisted process makes network request
        • Suspicious behavior: EnumeratesProcesses
        PID:2192
  • C:\Users\Admin\AppData\Local\Microsoft\OneDrive\21.220.1024.0005\FileSyncConfig.exe
    "C:\Users\Admin\AppData\Local\Microsoft\OneDrive\21.220.1024.0005\FileSyncConfig.exe"
    1⤵
    • Modifies registry class
    PID:1468

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Replay Monitor

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Downloads

  • memory/588-115-0x0000000000000000-mapping.dmp
  • memory/588-116-0x0000000004490000-0x00000000044B8000-memory.dmp
    Filesize

    160KB

  • memory/2192-119-0x0000000000000000-mapping.dmp
  • memory/2192-120-0x0000000004670000-0x0000000004698000-memory.dmp
    Filesize

    160KB

  • memory/2192-123-0x0000000004B50000-0x0000000004B78000-memory.dmp
    Filesize

    160KB

  • memory/2192-126-0x0000000004E60000-0x0000000004E88000-memory.dmp
    Filesize

    160KB

  • memory/2192-129-0x0000000004F40000-0x0000000004F68000-memory.dmp
    Filesize

    160KB

  • memory/2192-132-0x0000000005020000-0x0000000005048000-memory.dmp
    Filesize

    160KB

  • memory/2192-135-0x0000000005100000-0x0000000005128000-memory.dmp
    Filesize

    160KB

  • memory/2192-138-0x0000000005200000-0x0000000005228000-memory.dmp
    Filesize

    160KB