Analysis

  • max time kernel
    127s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-06-2024 19:15

General

  • Target

    b995bbca36e544bf83085de102f34f7e_JaffaCakes118.exe

  • Size

    420KB

  • MD5

    b995bbca36e544bf83085de102f34f7e

  • SHA1

    3b379b1e4aea9c94e936b96990afc06d31f4028c

  • SHA256

    82872d1b54f4dd9222145c57ddf768544e9b100b174e2ead374b88d0163e0387

  • SHA512

    b8acb48f262effa6a4715f838d6f4bf0004b41d7ecf680049e32f80c50eca0fcfd0a1f91223181c94ecc8c27876e61732d28f51b07edf7ce463c7aa4bb93cd72

  • SSDEEP

    12288:Uxu4vPa6ifIw1xHRdOa+gP70p0TK6LNA8:YigYxHRdH+2T9N

Malware Config

Extracted

Family

emotet

Botnet

Epoch1

C2

186.90.29.228:443

181.135.153.203:443

74.208.68.48:8080

104.131.58.132:8080

68.183.190.199:8080

46.28.111.142:7080

186.0.95.172:80

46.41.151.103:8080

190.230.60.129:80

181.188.149.134:80

88.250.223.190:8080

183.82.97.25:80

212.71.237.140:8080

200.57.102.71:8443

189.166.68.89:443

170.84.133.72:7080

81.169.140.14:443

149.62.173.247:8080

94.183.71.206:7080

142.93.82.57:8080

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 11 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b995bbca36e544bf83085de102f34f7e_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\b995bbca36e544bf83085de102f34f7e_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4660
    • C:\Users\Admin\AppData\Local\Temp\b995bbca36e544bf83085de102f34f7e_JaffaCakes118.exe
      --81586121
      2⤵
      • Suspicious behavior: RenamesItself
      • Suspicious use of SetWindowsHookEx
      PID:5044
  • C:\Windows\SysWOW64\bufferdmi.exe
    "C:\Windows\SysWOW64\bufferdmi.exe"
    1⤵
    • Modifies data under HKEY_USERS
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3212
    • C:\Windows\SysWOW64\bufferdmi.exe
      --5beabef6
      2⤵
      • Drops file in System32 directory
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:1692

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads

  • memory/1692-17-0x0000000000E50000-0x0000000000E66000-memory.dmp
    Filesize

    88KB

  • memory/3212-11-0x0000000000DC0000-0x0000000000DD6000-memory.dmp
    Filesize

    88KB

  • memory/4660-0-0x0000000002160000-0x0000000002176000-memory.dmp
    Filesize

    88KB

  • memory/4660-5-0x0000000002150000-0x0000000002160000-memory.dmp
    Filesize

    64KB

  • memory/5044-6-0x0000000002170000-0x0000000002186000-memory.dmp
    Filesize

    88KB

  • memory/5044-16-0x0000000000400000-0x0000000000471000-memory.dmp
    Filesize

    452KB