Analysis

  • max time kernel
    52s
  • max time network
    60s
  • platform
    windows10_x64
  • resource
    win10-de-20211014
  • submitted
    25-11-2021 16:24

General

  • Target

    19655bc90da42aa65fe5003fc1c9ad64b00ac7eb2728c7381163235d3426cedc.dll

  • Size

    653KB

  • MD5

    03ebc0b1387e2c6cddb7c445698c2d57

  • SHA1

    c8f6075f8c1443e520b2154338353442b1409cc7

  • SHA256

    19655bc90da42aa65fe5003fc1c9ad64b00ac7eb2728c7381163235d3426cedc

  • SHA512

    1e3dc568b9eda613be304de8e5c61cbe424cdfb5660b527568ec658b3c0e426a60bb4bda8c2832fe1acff9c77029695d084f6d101495d4aac53251b422675228

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\19655bc90da42aa65fe5003fc1c9ad64b00ac7eb2728c7381163235d3426cedc.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1336
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\19655bc90da42aa65fe5003fc1c9ad64b00ac7eb2728c7381163235d3426cedc.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1184
      • C:\Windows\SysWOW64\rundll32.exe
        C:\Windows\SysWOW64\rundll32.exe "C:\Users\Admin\AppData\Local\Temp\19655bc90da42aa65fe5003fc1c9ad64b00ac7eb2728c7381163235d3426cedc.dll",Control_RunDLL
        3⤵
        • Blocklisted process makes network request
        • Suspicious behavior: EnumeratesProcesses
        PID:948
  • 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:2708

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Replay Monitor

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Downloads

  • memory/948-119-0x0000000000000000-mapping.dmp
  • memory/948-120-0x0000000004B60000-0x0000000004B88000-memory.dmp
    Filesize

    160KB

  • memory/948-123-0x0000000005160000-0x0000000005188000-memory.dmp
    Filesize

    160KB

  • memory/948-126-0x0000000005340000-0x0000000005368000-memory.dmp
    Filesize

    160KB

  • memory/948-129-0x0000000005420000-0x0000000005448000-memory.dmp
    Filesize

    160KB

  • memory/948-132-0x0000000005500000-0x0000000005528000-memory.dmp
    Filesize

    160KB

  • memory/948-135-0x00000000055E0000-0x0000000005608000-memory.dmp
    Filesize

    160KB

  • memory/948-138-0x00000000056D0000-0x00000000056F8000-memory.dmp
    Filesize

    160KB

  • memory/1184-115-0x0000000000000000-mapping.dmp
  • memory/1184-116-0x0000000000D70000-0x0000000000D98000-memory.dmp
    Filesize

    160KB