Analysis

  • max time kernel
    50s
  • max time network
    43s
  • platform
    windows10_x64
  • resource
    win10-de-20211104
  • submitted
    25-11-2021 16:16

General

  • Target

    144fb90e8d3c2fca8c580c15ae7cd5cab56977fe0f2723ac37211280f4751445.dll

  • Size

    653KB

  • MD5

    e0a97eccc3cd55970384947a424c4ec5

  • SHA1

    f7e79a943fd7f00bdb6e3053c077d3a825405d42

  • SHA256

    144fb90e8d3c2fca8c580c15ae7cd5cab56977fe0f2723ac37211280f4751445

  • SHA512

    12f504e942b169d1a20d73ae4b68f36b55d6e77f1de6eb738f4899e199bc17f073af67d040992d30dcfb7e704d511ee6a5e6319aae4c54524761a9cdd357fd62

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
  • 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\144fb90e8d3c2fca8c580c15ae7cd5cab56977fe0f2723ac37211280f4751445.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3964
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\144fb90e8d3c2fca8c580c15ae7cd5cab56977fe0f2723ac37211280f4751445.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1268
      • C:\Windows\SysWOW64\rundll32.exe
        C:\Windows\SysWOW64\rundll32.exe "C:\Users\Admin\AppData\Local\Temp\144fb90e8d3c2fca8c580c15ae7cd5cab56977fe0f2723ac37211280f4751445.dll",Control_RunDLL
        3⤵
        • Blocklisted process makes network request
        • Suspicious behavior: EnumeratesProcesses
        PID:956
  • 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:1652

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/956-122-0x0000000000000000-mapping.dmp
  • memory/956-123-0x00000000047F0000-0x0000000004818000-memory.dmp
    Filesize

    160KB

  • memory/956-126-0x0000000004DD0000-0x0000000004DF8000-memory.dmp
    Filesize

    160KB

  • memory/956-129-0x0000000004FB0000-0x0000000004FD8000-memory.dmp
    Filesize

    160KB

  • memory/956-132-0x0000000005090000-0x00000000050B8000-memory.dmp
    Filesize

    160KB

  • memory/956-135-0x0000000005170000-0x0000000005198000-memory.dmp
    Filesize

    160KB

  • memory/956-138-0x0000000005250000-0x0000000005278000-memory.dmp
    Filesize

    160KB

  • memory/956-141-0x0000000005340000-0x0000000005368000-memory.dmp
    Filesize

    160KB

  • memory/1268-118-0x0000000000000000-mapping.dmp
  • memory/1268-119-0x00000000010A0000-0x00000000010C8000-memory.dmp
    Filesize

    160KB