Analysis

  • max time kernel
    47s
  • max time network
    51s
  • platform
    windows10_x64
  • resource
    win10-de-20211014
  • submitted
    25-11-2021 16:45

General

  • Target

    744160a31616a6400b6009a14f2c56b97889ac3cda44b22ebec4e1ad06279bef.dll

  • Size

    653KB

  • MD5

    3a7aa09d816c291dff8ea1bd94bd1ecc

  • SHA1

    2590bbbcefafa3253b7e2b0e105f9c2b22fecbdb

  • SHA256

    744160a31616a6400b6009a14f2c56b97889ac3cda44b22ebec4e1ad06279bef

  • SHA512

    d675a4e225cf4ddc0e11344b92c4830b099ad7fc758e827acfd0216c57c695a5ee25af57b3f8e63ae664a948bbfc1f157f75fce4db7457d8f6c26b0b69fe0548

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)

  • 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\744160a31616a6400b6009a14f2c56b97889ac3cda44b22ebec4e1ad06279bef.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:8
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\744160a31616a6400b6009a14f2c56b97889ac3cda44b22ebec4e1ad06279bef.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4024
      • C:\Windows\SysWOW64\rundll32.exe
        C:\Windows\SysWOW64\rundll32.exe "C:\Users\Admin\AppData\Local\Temp\744160a31616a6400b6009a14f2c56b97889ac3cda44b22ebec4e1ad06279bef.dll",Control_RunDLL
        3⤵
        • Blocklisted process makes network request
        • Suspicious behavior: EnumeratesProcesses
        PID:1052
  • 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:320

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1052-119-0x0000000000000000-mapping.dmp
  • memory/1052-120-0x0000000000C90000-0x0000000000CB8000-memory.dmp
    Filesize

    160KB

  • memory/1052-123-0x0000000001330000-0x0000000001358000-memory.dmp
    Filesize

    160KB

  • memory/1052-126-0x0000000004930000-0x0000000004958000-memory.dmp
    Filesize

    160KB

  • memory/1052-129-0x0000000004A10000-0x0000000004A38000-memory.dmp
    Filesize

    160KB

  • memory/1052-132-0x0000000004AF0000-0x0000000004B18000-memory.dmp
    Filesize

    160KB

  • memory/1052-135-0x0000000004BD0000-0x0000000004BF8000-memory.dmp
    Filesize

    160KB

  • memory/1052-138-0x0000000004CD0000-0x0000000004CF8000-memory.dmp
    Filesize

    160KB

  • memory/4024-115-0x0000000000000000-mapping.dmp
  • memory/4024-116-0x0000000000E20000-0x0000000000E48000-memory.dmp
    Filesize

    160KB