Analysis

  • max time kernel
    137s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/07/2024, 17:52

General

  • Target
    4ac3664fd33f5c531b44506989dcdc84_JaffaCakes118.dll
  • Size 330KB
  • Sample240715-wf1kbavdnf
  • SHA256 bd4ab6eea89638a0942b861a50481109a98c637fb25d0cdee529ce5886405f7a
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • emotet

Botnet
  • Epoch3

C2
  • 190.55.186.229:80

  • 203.157.152.9:7080

  • 157.245.145.87:443

  • 109.99.146.210:8080

  • 116.202.10.123:8080

  • 172.96.190.154:8080

  • 163.53.204.180:443

  • 190.107.118.125:80

  • 91.93.3.85:8080

  • 185.142.236.163:443

  • 115.79.195.246:80

  • 120.51.34.254:80

  • 192.210.217.94:8080

  • 198.20.228.9:8080

  • 91.75.75.46:80

  • 54.38.143.245:8080

  • 161.49.84.2:80

  • 162.144.145.58:8080

  • 178.33.167.120:8080

  • 201.193.160.196:80

rsa_pubkey.plain

Signatures

  • Emotet

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

  • Loads dropped DLL 1 IoCs
  • Drops file in System32 directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\4ac3664fd33f5c531b44506989dcdc84_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3308
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\4ac3664fd33f5c531b44506989dcdc84_JaffaCakes118.dll,#1
      2⤵
      • Drops file in System32 directory
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:2400
      • C:\Windows\SysWOW64\rundll32.exe
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Vuicoxmkvjyqrubb\ppzwvzjeirnwcbp.nld",FYgGdGhZ
        3⤵
        • Loads dropped DLL
        PID:2856

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        ppzwvzjeirnwcbp.nld

        • Path C:\Windows\SysWOW64\Vuicoxmkvjyqrubb\ppzwvzjeirnwcbp.nld
        • Size 330KB
        • SHA256 bd4ab6eea89638a0942b861a50481109a98c637fb25d0cdee529ce5886405f7a
        • MD5 SHA1 SHA512 SSDEEP

        memory/2400-0-0x00000000012B0000-0x00000000012CF000-memory.dmp

        memory/2400-1-0x0000000010000000-0x0000000010023000-memory.dmp

        memory/2400-3-0x0000000010000000-0x0000000010023000-memory.dmp