Analysis

  • max time kernel
    59s
  • max time network
    66s
  • platform
    windows10_x64
  • resource
    win10-de-20211014
  • submitted
    25-11-2021 16:58

General

  • Target

    1728989cbc36f3925b5add2e8d3e775b2c06def8f3f345d68bfbb959cf72958b.dll

  • Size

    653KB

  • MD5

    94ce073ee7c73a3a28ce916310d69730

  • SHA1

    1513e658c1ac45210edcd9179bb5e6e6f5840361

  • SHA256

    1728989cbc36f3925b5add2e8d3e775b2c06def8f3f345d68bfbb959cf72958b

  • SHA512

    58404931da4f4d18d44f4d80dab67a048a374fa1b533e4784b3d08369067763665d25f95f33d612fae82641651ed06e6a8daed54348240b593492ed863ee6bea

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\1728989cbc36f3925b5add2e8d3e775b2c06def8f3f345d68bfbb959cf72958b.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:508
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\1728989cbc36f3925b5add2e8d3e775b2c06def8f3f345d68bfbb959cf72958b.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1028
      • C:\Windows\SysWOW64\rundll32.exe
        C:\Windows\SysWOW64\rundll32.exe "C:\Users\Admin\AppData\Local\Temp\1728989cbc36f3925b5add2e8d3e775b2c06def8f3f345d68bfbb959cf72958b.dll",Control_RunDLL
        3⤵
        • Blocklisted process makes network request
        • Suspicious behavior: EnumeratesProcesses
        PID:876
  • 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:920

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Replay Monitor

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Downloads

  • memory/876-119-0x0000000000000000-mapping.dmp
  • memory/876-120-0x0000000004760000-0x0000000004788000-memory.dmp
    Filesize

    160KB

  • memory/876-123-0x0000000004900000-0x0000000004928000-memory.dmp
    Filesize

    160KB

  • memory/876-126-0x0000000004F50000-0x0000000004F78000-memory.dmp
    Filesize

    160KB

  • memory/876-129-0x0000000005030000-0x0000000005058000-memory.dmp
    Filesize

    160KB

  • memory/876-132-0x0000000005110000-0x0000000005138000-memory.dmp
    Filesize

    160KB

  • memory/876-135-0x00000000051F0000-0x0000000005218000-memory.dmp
    Filesize

    160KB

  • memory/876-138-0x00000000052D0000-0x00000000052F8000-memory.dmp
    Filesize

    160KB

  • memory/1028-115-0x0000000000000000-mapping.dmp
  • memory/1028-116-0x00000000031C0000-0x00000000031E8000-memory.dmp
    Filesize

    160KB