Analysis

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

General

  • Target

    0f759b40d325f647451465a982aef1a49eebf5d3413d66a07002c12ec8236636.dll

  • Size

    653KB

  • MD5

    14252c8f06e29cd18011398a69b10cba

  • SHA1

    450857d1881e5a9814108ea145c770046fa67f70

  • SHA256

    0f759b40d325f647451465a982aef1a49eebf5d3413d66a07002c12ec8236636

  • SHA512

    e133f53365706dfd8ac3026f88a25b932e038bf98e0805f3f3c12923bc675fa5be9fd5d8e1aa14a43b1c8d99f540aea1e8aaf07468e0dfbc061fdf0dd298bedf

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\0f759b40d325f647451465a982aef1a49eebf5d3413d66a07002c12ec8236636.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1332
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\0f759b40d325f647451465a982aef1a49eebf5d3413d66a07002c12ec8236636.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:692
      • C:\Windows\SysWOW64\rundll32.exe
        C:\Windows\SysWOW64\rundll32.exe "C:\Users\Admin\AppData\Local\Temp\0f759b40d325f647451465a982aef1a49eebf5d3413d66a07002c12ec8236636.dll",Control_RunDLL
        3⤵
        • Blocklisted process makes network request
        • Suspicious behavior: EnumeratesProcesses
        PID:1208
  • 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:1312

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Replay Monitor

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Downloads

  • memory/692-115-0x0000000000000000-mapping.dmp
  • memory/692-116-0x00000000045E0000-0x0000000004608000-memory.dmp
    Filesize

    160KB

  • memory/1208-119-0x0000000000000000-mapping.dmp
  • memory/1208-120-0x00000000048A0000-0x00000000048C8000-memory.dmp
    Filesize

    160KB

  • memory/1208-123-0x0000000004A80000-0x0000000004AA8000-memory.dmp
    Filesize

    160KB

  • memory/1208-126-0x00000000050F0000-0x0000000005118000-memory.dmp
    Filesize

    160KB

  • memory/1208-129-0x00000000051D0000-0x00000000051F8000-memory.dmp
    Filesize

    160KB

  • memory/1208-132-0x00000000052B0000-0x00000000052D8000-memory.dmp
    Filesize

    160KB

  • memory/1208-135-0x0000000005390000-0x00000000053B8000-memory.dmp
    Filesize

    160KB