Analysis

  • max time kernel
    136s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/06/2024, 07:05

General

  • Target
    8d4134823512a96c88fde20832ea4c2a_JaffaCakes118.exe
  • Size 640KB
  • Sample240602-hwr18aed6v
  • SHA256 195857546e3488d033407e7e2e0c10b01c4b535f99362684b27cad7965ec7d50
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • emotet

Botnet
  • Epoch1

C2
  • 104.236.137.72:8080

  • 172.104.233.225:8080

  • 213.189.36.51:8080

  • 85.234.143.94:8080

  • 186.23.132.93:990

  • 142.127.57.63:8080

  • 149.62.173.247:8080

  • 86.42.166.147:80

  • 181.36.42.205:443

  • 201.190.133.235:8080

  • 88.250.223.190:8080

  • 181.231.62.54:80

  • 190.146.131.105:8080

  • 200.123.101.90:80

  • 212.71.237.140:8080

  • 187.230.99.192:443

  • 190.17.42.79:80

  • 119.59.124.163:8080

  • 86.142.102.191:8443

  • 203.130.0.69:80

rsa_pubkey.plain

Signatures

  • Emotet

    Emotet is a trojan that is primarily spread through spam emails.

  • Drops file in System32 directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Modifies data under HKEY_USERS 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 16 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8d4134823512a96c88fde20832ea4c2a_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\8d4134823512a96c88fde20832ea4c2a_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3440
    • C:\Users\Admin\AppData\Local\Temp\8d4134823512a96c88fde20832ea4c2a_JaffaCakes118.exe
      --e4cbcea4
      2⤵
      • Suspicious behavior: RenamesItself
      • Suspicious use of SetWindowsHookEx
      PID:4488
  • C:\Windows\SysWOW64\stuckchar.exe
    "C:\Windows\SysWOW64\stuckchar.exe"
    1⤵
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1324
    • C:\Windows\SysWOW64\stuckchar.exe
      --e9406908
      2⤵
      • Drops file in System32 directory
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:3204

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        5847f796e40b24ab4b196e9bf5777c79_5a32ead2-14a8-4b34-b6a3-85cfb28e2fbd

        • Path C:\ProgramData\Microsoft\Crypto\RSA\S-1-5-18\5847f796e40b24ab4b196e9bf5777c79_5a32ead2-14a8-4b34-b6a3-85cfb28e2fbd
        • Size 50B
        • SHA256 e4727b1d8ab8799bf1b4bb1e93e89482f1a6a6a890d8ef894c1b966168422de9
        • MD5 SHA1 SHA512

        memory/1324-12-0x0000000000F90000-0x0000000000FA7000-memory.dmp

        memory/3204-19-0x0000000000EA0000-0x0000000000EB7000-memory.dmp

        memory/3440-5-0x0000000000660000-0x0000000000671000-memory.dmp

        memory/3440-0-0x0000000000680000-0x0000000000697000-memory.dmp

        memory/4488-6-0x0000000002120000-0x0000000002137000-memory.dmp

        memory/4488-18-0x0000000000400000-0x00000000004A5000-memory.dmp